CN105863635B

CN105863635B - Pick and pick assembly, pick roller, disintegrating apparatus, development machine, coal-winning machine

Info

Publication number: CN105863635B
Application number: CN201610205353.4A
Authority: CN
Inventors: 曹艺刚; 李洪国
Original assignee: Individual
Current assignee: Cao Yigang
Priority date: 2016-04-05
Filing date: 2016-04-05
Publication date: 2018-02-06
Anticipated expiration: 2036-04-05
Also published as: CN105863635A

Abstract

The invention discloses pick, its rake face includes anterior class watt groove face and the guiding transition face at rear portion, and the guiding transition face is to seamlessly transit with the adjoining of class watt groove face and adjoiner；Class watt groove face is with angle of the knife face intersection on the parallel longitudinal section of the pick direction of motion after master between 5 degree to 60 degree；So that the intersecting lens of class watt groove face and knife face after master in inner concavity and causes the front portion of rake face to have two crowns at the both ends of the intersecting lens towards the front of the direction of motion of the pick, so as to which the pick is in broken work, crown enters in material prior to intersecting lens adjacent thereto.The both ends of intersecting lens are burst apart by crown guiding corresponding material, so as to which the intersecting lens is sequentially entered by both ends to centre in the gap that material bursts apart, so broken efficiency is greatly improved.Present invention also offers the preparation method of corresponding pick, using pick roller, disintegrating apparatus, development machine, the coal-winning machine of the pick assembly and application of the pick pick assembly.

Description

Pick and pick assembly, pick roller, disintegrating apparatus, development machine, coal-winning machine

Technical field

The application is related to crushing technology field, more particularly to crushing teeth, while additionally provides a kind of crushing teeth Preparation method.The crushing teeth is mainly used in disintegrating apparatus, is such as used for coal transporting breaking machine, movable crusher and other disintegrating machines In.

The application further relates to the crushing teeth assembly using above-mentioned crushing teeth, and total using above-mentioned crushing teeth or crushing teeth Into crushing toothed roller.In addition, foregoing crushing teeth, crushing teeth assembly and crushing toothed roller can be used to hold by accommodation In the equipment of row excavation or headwork.

In addition, the application further relates to apply the crushing teeth or crushing teeth assembly, the coal transporting breaking machine of crushing toothed roller.It is foregoing Crushing teeth, crushing teeth assembly and crushing toothed roller can also be applied to other various disintegrating apparatus in.

Background technology

In disintegrating apparatus, coal transporting breaking machine is a kind of engineering mechanical device for conveying and transporting for material, and is crushed Main material processing unit of the tooth assembly as coal transporting breaking machine, its service behaviour are also increasingly subject to the extensive concern of people.Mesh Before, in the existing crushing teeth assembly course of work, it is pending or broken after the completion of material can be by under crushing teeth assembly The drag conveyer of side is conveyed, and the assembling structure of right existing crushing teeth assembly is complex, and its assembling volume is larger, The material below crushing teeth assembly is easily pointed in equipment running process and forms extruding, the active force formed in extrusion process It can be transferred to by material on the drag conveyer of lower section, cause the frictional force between drag conveyer associated component to increase, and then accelerated The abrasion of its associated components, the accidents such as scraper plate is stuck are even resulted in, have had a strong impact on the overall operation stability of coal transporting breaking machine And continuity.

To improve above-mentioned technical problem, for example, publication No. provides for the A of CN 103406181 Chinese invention patent application A kind of broken cutter tooth and corresponding crushing teeth assembly, publication No. provide for the A of CN 103433092 Chinese invention patent application A kind of crushing teeth assembly.So in practice, the inventors discovered that supplying the crushing teeth of technical scheme using aforementioned invention and crushing The force structure of tooth assembly is unreasonable, and service life is also not as expected.

Therefore, how to improve and optimize the structure of crushing teeth with and preparation method thereof, make its simple in construction, it is broken by means of this Broken tooth so that can reduce or avoid it to produce material perpendicular to material conveying direction using the crushing teeth assembly of the crushing teeth Extruding force, and/or broken more efficient and service life it is longer be those skilled in that art be badly in need of at present solve Important technological problems.

The content of the invention

The purpose of the present invention includes providing a kind of crushing teeth, and the structure of the crushing teeth is simple, and crushing efficiency is high, energy consumption is low. The crushing teeth is adapted to the disintegrating apparatus such as coal transporting breaking machine, movable crusher；But various occasions are can be used for, including dig The wide in range scope of the equipment such as pick, coal mining, driving.A further object of the present invention is to provide a kind of the broken of application crushing teeth Tooth assembly.Another purpose of the present invention also includes the crushing toothed roller of the above-mentioned crushing teeth of application or crushing teeth assembly.The present invention's Purpose also includes applying above-mentioned crushing teeth or crushing teeth assembly, the coal transporting breaking machine or movable crusher of crushing toothed roller.

Therefore, the present invention relates to a kind of crushing teeth, it is mainly used in crushing teeth assembly, including denticle, wherein, the denticle The leading section of upper surface has rake face, has knife face after master on the front end face of the denticle.

Preferably, the rake face includes anterior class watt groove face and the guiding transition face at rear portion, the guiding transition face It is to seamlessly transit with the class watt groove face adjoining and adjoiner；After the class watt groove face and the master knife face intersection with The crushing teeth direction of motion it is parallel or overlap longitudinal section on angle between 5 degree to 60 degree；So that the class watt groove face In inner concavity and cause the rake face towards the front of the direction of motion of the crushing teeth with the intersecting lens of knife face after the master Front portion at the both ends of the intersecting lens there are two crowns, when cutting work in other words when crushing work so as to the crushing teeth its The crown of front end enters in material prior to the intersecting lens of the inner concavity adjacent thereto, and the intersecting lens is by the tooth Point is guided, stepped into from the both ends of the intersecting lens in material.

Preferably, the cross section of the class watt groove face is in arc-shaped, oval arcuation, star wire, catenary, Ke Laixian Shape, snail wire, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, Hyperbolia either two combination parabolic shapes or the class watt groove face cross section for circular arc, elliptic arc, parabola, Astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat song Any combination either combination of any three or any at least four combination in line, hyperbola and straight line.

Preferably, the guiding transition face is in and process guiding transition face depression parallel with the crushing teeth direction of motion It is in arc-shaped or oval arcuation, star wire, catenary, gram Lay wire, snail wire, cissoid on the longitudinal section of minimum point Wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, hyperbolia, two groups The parabolic shape of conjunction, or the guiding transition face is parallel with the crushing teeth direction of motion and recessed by the guiding transition face Fall on the longitudinal section of minimum point as circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, drag Thing line, cycloid, conchoid, tricuspid valve line, roulette, Lisa are eaten any combination in curve, hyperbola and straight line or appointed The combination of meaning three or any at least four combination, and it is not less than this with the radius of curvature of the class watt groove face adjoiner The depth of class watt groove face depression.

Preferably, the class watt groove face is in straight on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Line.

Preferably, the class watt groove face is linear on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Or camber line；The straight line is parallel with the fore-and-aft direction of the denticle, or between the upper surface of the straight line and the denticle Angle be no more than 20 degree or no more than 15 degree, no more than 12 degree, no more than 10 degree, no more than 8 degree, no more than 7 degree, do not surpass Cross 6 degree, no more than 5 degree, no more than 4 degree, no more than 3 degree, no more than 2 degree.

Preferably, the upper surface of the denticle is plane in addition to the rake face.

Preferably, the class watt groove face is in straight on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Line, and the plane that such watt of groove face or so end line of two sides is residing in addition to the rake face with the upper surface of the crushing teeth Overlap.

Preferably, the left and right side of the denticle is parallel to each other.Preferably, the left surface, right flank are broken with described The upper surface of broken tooth plane residing in addition to the rake face is vertical.

Preferably, running through on the denticle has pilot hole, the bearing of trend of the axis of the pilot hole and the left side of the denticle Face, right flank are perpendicular, and the denticle is relatively fixed by the locking member through the pilot hole with toothholder.

Preferably, the leading section of the bottom surface of the denticle be provided be engaged with toothholder, for preventing the denticle before The stopper that end is moved into the crushing teeth mounting hole of the toothholder, and the stopper is relatively fixed with the denticle or is Integral type.Preferably, the width of the stopper denticle is wide.

Preferably, there is a minor flank after the master between the bottom surface of knife face and the denticle；With the crushing teeth The direction of motion is parallel or the longitudinal section that overlaps on, the angle after the minor flank and the master between knife face is less than the class watt groove Angle after face and the master between knife face.

Preferably, at least two minor flanks, each pair are provided with after the master between the bottom surface of knife face and the denticle Bottom surface of the knife face from knife face after the master to the denticle is arranged successively afterwards；Parallel with the crushing teeth direction of motion or again On the longitudinal section of conjunction, the angle between each minor flank and the rake face is sequentially reduced by its distributing order, and each described Angle between minor flank and the rake face is respectively less than the angle between knife face after the class watt groove face and the master.

Preferably, knife face is in plane or arcuate surface, inner concave after the master.

Preferably, the cross section of knife face is in arc-shaped, oval arcuation, star wire, catenary, Ke Laixian after the master Shape, snail wire, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, Hyperbolia either two combination parabolic shapes or the master after knife face cross section for circular arc, elliptic arc, parabola, Astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat song Any combination either combination of any three or any at least four combination in line, hyperbola and straight line.

Preferably, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, knife face is in circle after the master Arcuation, oval arcuation, parabolic shape, star wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix shape, Cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like either hyperbolia or for circular arc, elliptic arc, Parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, profit Any combination either combination of any three or any at least four group in Sa Ru curves, hyperbola and straight line Close.

Preferably, the minor flank is in plane or arcuate surface, inner concave.

Preferably, the cross section of the minor flank is in arc-shaped, oval arcuation, star wire, catenary, Ke Laixian Shape, snail wire, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, Hyperbolia either two combination parabolic shapes or the minor flank cross section for circular arc, elliptic arc, parabola, Astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat song Any combination either combination of any three or any at least four combination in line, hyperbola and straight line.

Preferably, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, the minor flank is in circle Arcuation, oval arcuation, parabolic shape, star wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix shape, Cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like either hyperbolia or for circular arc, elliptic arc, Parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, profit Any combination either combination of any three or any at least four group in Sa Ru curves, hyperbola and straight line Close.

Preferably, the upper surface of the denticle is generally planar in addition to rake face.

In a kind of preferable technical scheme, the rake face includes the guiding transition at anterior class watt groove face and rear portion Face, the guiding transition face are to seamlessly transit with the class watt groove face adjoining and adjoiner；After the class watt groove face and the master Angle of the knife face intersection on the longitudinal section that the crushing teeth direction of motion is parallel or overlaps is between 5 degree to 60 degree；Institute It is in combine that class watt groove face and the guiding transition face, which are stated, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Interior concave form；So that after the class watt groove face and the master knife face intersecting lens towards the crushing teeth the direction of motion Front is in inner concavity and causes the front portion of the rake face to have two crowns at the both ends of the intersecting lens, so as to which this is broken The crown of its front end is intersecting prior to the inner concavity adjacent thereto when tooth cuts work in other words in broken work Line enters in material, and the intersecting lens is guided by the crown, stepped into from the both ends of the intersecting lens in material.

Preferably, two crowns and the upper surface of the denticle plane residing in addition to the rake face overlap or Person is misaligned.

Preferably, two crowns are in three prismatic.

Preferably, the width of the intersecting lens of the inner concavity is less than the outer width of two crowns.

Preferably, the crown also includes preceding bevel, the phase of the medial extremity of the front end of line of the preceding bevel and the inner concavity Intersection is intersecting, outboard end side corresponding with the denticle is intersected.

Preferably, the preceding bevel plane residing in addition to the rake face with the upper surface of the denticle overlaps, is flat It is capable or intersecting, and the angle between the preceding bevel and the plane be no more than 20 degree or no more than 15 degree, no more than 12 Degree, no more than 10 degree, no more than 8 degree, no more than 7 degree, no more than 6 degree, no more than 5 degree, no more than 4 degree, no more than 3 degree, no More than 2 degree.

Preferably, the plane of the front end of line of the preceding bevel and the upper surface of the denticle residing in addition to the rake face Overlap, it is parallel or intersecting, and the angle between the front end of line and the plane be no more than 20 degree or no more than 15 degree, do not surpass Cross 12 degree, no more than 10 degree, no more than 8 degree, no more than 7 degree, no more than 6 degree, no more than 5 degree, no more than 4 degree, no more than 3 Spend, no more than 2 degree.

Preferably, the class watt groove face is provided with chamfering or circle with the left surface of the denticle and/or the intersection of right flank Angle；And/or the intersection of the left surface for being oriented to transition face and the denticle and/or right flank is provided with chamfering or fillet.

Preferably, the chamfering of the class watt groove face both sides is using equidistant or Unequal distance chamfering；And/or the guiding transition face The chamfering of both sides is using equidistant or Unequal distance chamfering.

Preferably, along on the cross section of the class watt groove face, the chamfering of the class watt groove face both sides and such Angle between watt groove face be no more than 150 degree or no more than 120 degree, no more than 110 degree, no more than 105 degree, no more than 100 Degree, no more than 98 degree, no more than 95 degree, no more than 94 degree, no more than 92 degree, no more than 90 degree, no more than 85 degree, no more than 83 Degree, no more than 80 degree, no more than 75 degree, no more than 70 degree, no more than 65 degree, no more than 60 degree, no more than 55 degree.

Preferably, along on the cross section of the guiding transition face, the chamfering for being oriented to transition face both sides with Angle between the guiding transition face be no more than 150 degree or no more than 120 degree, no more than 110 degree, no more than 105 degree, do not surpass Cross 100 degree, no more than 98 degree, no more than 95 degree, no more than 94 degree, no more than 92 degree, no more than 90 degree, no more than 85 degree, no More than 83 degree, no more than 80 degree, no more than 75 degree, no more than 70 degree, no more than 65 degree, no more than 60 degree, no more than 55 degree.

Preferably, the chamfering of the class watt groove face both sides is in the same plane；And/or the guiding transition face both sides Chamfering is on same curved surface.

Preferably, plane residing for the chamfering of the class watt groove face both sides is parallel to each other；And/or the guiding transition face both sides Chamfering residing for curved surface be parallel to each other.

Preferably, the width of the class watt groove face is less than or equal to the width of the denticle.

Preferably, the class watt groove face is symmetrical on the central plane on the denticle width.

Preferably, the minimum point of the class watt groove face is located at the central plane on the denticle width and the denticle Left surface between, or the minimum point of the class watt groove face is located at central plane on the denticle width and the tooth Between the right flank of body.

Preferably, the minimum point of the class watt groove face is located on the left surface or right flank of the denticle.

Preferably, either the chamfering on right side or rounding are to be gradually reduced or increase from front to back on the left of the rake face 's.

Preferably, either the chamfering on right side or rounding are gradually reduced from front to back on the left of the rake face, and The position for being decreased to zero is located at described be oriented on transition face or on the class watt groove face.

Preferably, left surface or the right side of the curved vertical in the denticle on the left of the rake face or residing for the chamfering on right side Side.

Preferably, curved vertical residing for the chamfering on the right side of the rake face is put down in the center on the denticle width Face.

Preferably, the left surface of the denticle is provided with waist type groove one or rectangular channel one, arcuate recess one, U-lag one； And/or the right flank of the denticle is provided with waist type groove two or rectangular channel two, arcuate recess two, U-lag two.

Preferably, the upper surface of the denticle is provided with rectangular channel three or waist type groove three, arcuate recess three, U-lag three, And/or the bottom surface of the denticle be provided with rectangular channel four or, waist type groove four, arcuate recess four, U-lag four.

Preferably, the denticle is casting or forging.Preferably, the denticle using bar or sheet fabrication and Into.

Moreover, it relates to a kind of preparation method of crushing teeth, the crushing teeth are any of the above-described technical scheme Described in crushing teeth, the preparation method includes：

Step 01, the preparation of the blank of the denticle, blanking or forging, casting；

Step 02, preparatory processing is carried out to blank, includes the preliminary working of profile；

Step 03, the blank Jing Guo preparatory processing is heat-treated, including modifier treatment；

Step 04, the blank through Overheating Treatment is finished, including：The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of knife face after the master, before described The processing of knife face；

Step 05, Surface hardening treatment, carburizing and quenching, nitride hardening or surface hardening are carried out to the rake face；

Wherein, the processing of the rake face uses a special-purpose milling cutter straight forming, and the special-purpose milling cutter has and the preceding knife The work department of the adaptable external diameter in the cross section of the class watt groove face in face；In the section by the center of rotation of the special-purpose milling cutter, The work department in arc-shaped, oval arcuation, star wire, catenary, gram Lay wire, snail wire, cissoid wire, drag thing Wire, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat the throwing of curve-like, hyperbolia or two combinations Thing wire, or be circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, pendulum Line, conchoid, tricuspid valve line, roulette, Lisa eat any combination in curve, hyperbola and straight line or any three's Combination or any at least four combination；When processing the rake face, rear end feed of the special-purpose milling cutter from the rake face Along straight line, milling is in place forward or in place, or the special-purpose milling cutter is from the preceding knife for milling backward by front end feed along straight line afterwards After the rear end feed in face successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, camber line backward End milling is in place.

Preferably, when the special-purpose milling cutter is along line milling, the straight line is inclined, and the straight line is located at the denticle Front end at it is vertical most short to plane residing for the denticle upper surface.

Moreover, it relates to a kind of crushing teeth, the crushing teeth includes denticle, and the denticle includes the left side being parallel to each other Side and right flank, the upper surface being parallel to each other and bottom surface, with knife face after the master at an acute angle of the upper surface and positioned at this Minor flank after master between knife face and bottom surface, the front end of the upper surface have rake face, and the crushing teeth by making as follows Method is made, and the preparation method includes：

Wherein, the processing of the rake face uses a special-purpose milling cutter straight forming, and the special-purpose milling cutter has and the preceding knife The work department of the adaptable external diameter in the cross section in face；In the section by the center of rotation of the special-purpose milling cutter, the work department In arc-shaped, oval arcuation, star wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix shape, cycloid Shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat the parabolic shape of curve-like, hyperbolia or two combinations, or Person is circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, three Cusp line, roulette, Lisa are eaten in curve, hyperbola and straight line any combination and either the combination of any three or appointed The combination of meaning at least four；When processing the rake face, the special-purpose milling cutter is from after the rear end feed of the rake face along straight line In place, or the special-purpose milling cutter enters from the rear end of the rake face for milling backward in place or by front end feed along straight line for milling forward After knife successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, the milling of camber line rear end in place.

Preferably, the chamfering section for chamfering is also included in the work department.

Preferably, the special-purpose milling cutter can also adopt the following technical scheme that replacement：The special-purpose milling cutter have with it is described before The work department of the adaptable external diameter in the bottom of knife face；In the section by the center of rotation of the special-purpose milling cutter, the work department bag Include arc section and straightway；When processing the rake face, the front and back of the rotary centerline of foregoing special-purpose milling cutter along the denticle To, the special-purpose milling cutter by the top of the denticle front end towards the denticle feed, a knife is the plastic rake face.

The invention further relates to crushing teeth assembly, the crushing teeth assembly includes the crushing teeth and toothholder to cooperate, wherein The crushing teeth is the crushing teeth described in any of the above-described technical scheme.

The invention further relates to a kind of crushing toothed roller, including shaft assembly is crushed, be provided with roller on the broken shaft assembly, institute State and some crushing teeth assemblies are provided with roller, the crushing teeth assembly is that the crushing teeth described in any of the above-described technical scheme is total Into.

Preferably, some crushing teeth assemblies are located on the roller according to the arrangement form of combined crosswise, the friendship The arrangement form of fork combination is to divide original row's crushing teeth assembly on the same helix of roller in the way of interval Onto two helixes, namely mean N row's crushing teeth assemblies on the same circumference of roller being distributed on 2N helix.

Preferably, the row N of crushing teeth assembly numerical value is 3-20, preferably 5 on the same circumference of the roller.

It is described broken the invention further relates to the drag conveyer and crushing toothed roller of a kind of coal transporting breaking machine, including mutual cooperation Broken discaling roll is the crushing toothed roller described in any of the above-described technical scheme.

Furthermore the invention further relates to a kind of movable crusher, including crushing toothed roller on removable body or Multiple crushing teeth assemblies, the crushing teeth assembly be any of the above-described technical scheme described in crushing teeth assembly, the crushing teeth Roller is the crushing toothed roller described in any of the above-described technical scheme.

It is furthermore described broken the invention further relates to a kind of disintegrating apparatus, including crushing toothed roller or multiple crushing teeth assemblies Tooth assembly is the crushing teeth assembly described in any of the above-described technical scheme, and the crushing toothed roller is institute in any of the above-described technical scheme The crushing toothed roller stated.

In addition, above-mentioned crushing teeth can be used for performing in the equipment of driving or excacation, such as development machine, adopt In the equipment such as coal machine, shield machine.Now, because the difference of residing subdivision technical field the industry, crushing teeth are commonly referred to as Tunneling gear or shield cutter tooth；Correspondingly, crushing teeth assembly is also referred to as tunneling gear assembly or shield cutter tooth assembly, crushing teeth Roller mutually should be tunneling gear roller or shield cutter tooth roller.It is preceding when above-mentioned crushing teeth is applied in development machine, coal-winning machine, shield machine The crushing teeth title stated is adjusted to tunneling gear, and either shield cutter tooth, crushing teeth assembly are adjusted to tunneling gear assembly or shield cutter tooth Assembly, crushing toothed roller are adjusted to tunnel discaling roll or shield cutter tooth roller；Mean that present invention also offers corresponding pick Enter tooth, shield cutter tooth, tunneling gear assembly, shield cutter tooth assembly, driving discaling roll, shield cutter tooth roller and apply foregoing any technology Development machine, coal-winning machine, the shield machine of scheme.

Wherein, above-mentioned parabolic shape, star wire, catenary, gram Lay wire, snail wire, cissoid wire, drag thing Wire, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like or hyperbolia refers in foregoing line One section of suitable line, rather than use complete line style, can specifically be chosen by technical staff.For example, parabolic shape refers to One section on the parabola of interception, and for example, hyperbolia refers to one section on the hyperbola of interception.

Relative to above-mentioned background technology, beneficial effects of the present invention approximately as.

A kind of 1. crushing teeth of the present invention, due to class watt groove face and rear portion of the rake face including front portion Transition face is oriented to, the guiding transition face is to seamlessly transit with the class watt groove face adjoining and adjoiner；The class watt groove face with Angle of the knife face intersection on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping is at 5 degree to 60 degree after the master Between；So that the front of the direction of motion of the intersecting lens of knife face towards the crushing teeth is in indent after the class watt groove face and the master Shape and the front portion of the rake face is caused at the both ends of the intersecting lens to there are two crowns, so that the crushing teeth is in breaker The crown of its front end enters material prior to the intersecting lens of the inner concavity adjacent thereto when cutting work when making in other words In, and the intersecting lens is guided by the crown, stepped into from the both ends of the intersecting lens in material.The both ends of the intersecting lens by The crown guiding corresponding material is burst apart, so as to which the intersecting lens is sequentially entered by both ends to centre in the gap that material bursts apart, institute So that broken efficiency is greatly improved.

2. a kind of crushing teeth of the present invention, due to being oriented to transition face parallel with the crushing teeth direction of motion or again In arc-shaped or oval arcuation and it is not less than such watt of groove face with the radius of curvature of class watt groove face adjoiner on the longitudinal section of conjunction The depth of depression.Consequently facilitating the steering of material.

A kind of 3. crushing teeth of the present invention, because class watt groove face is parallel with the crushing teeth direction of motion or coincidence On longitudinal section linearly, and the straight line is parallel with the fore-and-aft direction of denticle；The upper surface of denticle is plane in addition to rake face； The class watt groove face is linear on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, and such watt of groove face The end line of the side of left and right two plane residing in addition to the rake face with the upper surface of the crushing teeth overlaps.So as to greatest extent Raising the denticle working portion intensity, increase the service life.

4. a kind of crushing teeth of the present invention, due to guiding of the rake face including anterior class watt groove face and rear portion Face is crossed, the guiding transition face is to seamlessly transit with the class watt groove face adjoining and adjoiner；The class watt groove face and the master Angle of the knife face intersection on the longitudinal section that the crushing teeth direction of motion is parallel or overlaps is between 5 degree to 60 degree afterwards； The class watt groove face and the guiding transition face are in group on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping The form of the interior concave closed；So that after the class watt groove face and the master knife face intersecting lens towards the crushing teeth the direction of motion Front in inner concavity and cause the front portion of the rake face at the both ends of the intersecting lens to there are two crowns, so as to which this breaks Phase of the crown of its front end prior to the inner concavity adjacent thereto when broken tooth cuts work in other words in broken work Intersection enters in material, and the intersecting lens is guided by the crown, stepped into from the both ends of the intersecting lens in material.The phase The both ends of intersection are burst apart by crown guiding corresponding material, are burst apart so as to which the intersecting lens sequentially enters material by both ends to centre Gap in, so broken efficiency is greatly improved.

5. a kind of crushing teeth of the present invention, due to the combination of knife face after the rake face and the master and it is described in Concave intersecting lens so that two crowns of the denticle are in three prismatic, improve crown intensity and can be with less energy Consumption smoothly enters material.

A kind of 6. crushing teeth of the present invention, because the width of the intersecting lens of inner concavity is less than the outer width of two crowns. And further, crown also includes preceding bevel, and the medial extremity of the front end of line of the preceding bevel intersects with the intersecting lens of inner concavity, outside Intersect end side corresponding with denticle.The setting of preceding bevel so that added in broken material by the crushing teeth and burst apart together Crack, so as to realize that material is broken evenly.

A kind of 7. crushing teeth of the present invention, due to the left surface and/or right flank intersection of class watt groove face and denticle Provided with chamfering or fillet；And the intersection of the left surface for being oriented to transition face and denticle and/or right flank be provided with chamfering or Fillet.So that the crack burst apart together is added in broken material by the crushing teeth, so as to realize that material is broken Evenly.

A kind of 8. crushing teeth of the present invention, when the chamfering of class watt groove face both sides uses equidistant chamfering, or on edge On the cross section of such watt of groove face, the angle between the chamfering of such watt of groove face both sides and such watt of groove face is no more than 150 degree either no more than 120 degree when or class watt groove face both sides chamfering it is in the same plane or when being parallel to each other so that The crack burst apart together is added in broken material by the crushing teeth, so as to realize that material is broken evenly.

9. a kind of crushing teeth of the present invention, the center being located at due to the minimum point of class watt groove face on denticle width Between plane and the left surface of denticle, or the minimum point of class watt groove face is located at central plane and denticle on denticle width Right flank between；Either the minimum point of class watt groove face is located on the left surface or right flank of denticle.So as to which the crushing teeth is broken Cause material to be tilted towards direction set in advance during broken material, broken material work can be achieved by the combination arrangement of crushing teeth In work, mutually collision realizes that the broken of secondary active or make is broken material towards preset direction to material after crushing teeth is left Motion.

10. the preparation method of crushing teeth of the present invention, the processing of rake face uses a special-purpose milling cutter straight forming, should Special-purpose milling cutter has the work department of the external diameter adaptable with the cross section of the class watt groove face of rake face；It is special when processing rake face Milling cutter from after the rear end feed of the rake face along straight line forward milling in place or by front end feed along straight line backward milling in place, Or special-purpose milling cutter from after the rear end feed of the rake face successively along camber line, the milling of straight line forward end in place or by front end feed Successively along straight line, the milling of camber line rear end in place.The use of the special-purpose milling cutter make it that the processing of the crushing teeth is extremely simple.

11. a kind of crushing toothed roller of the present invention, some crushing teeth assemblies according to combined crosswise arrangement form On the roller, the arrangement form of the combined crosswise is by original row's crushing teeth on the same helix of roller Assembly is assigned in the way of interval on two helixes, namely means the N on the same circumference of roller arranging crushing teeth assembly It is distributed on 2N helix.Therefore in each groove of broken cutting, both sides neighbour's groove is first cut out crushing teeth；Therefore cut The energy consumption of larger, the broken cutting of thickness is low, and the stress of crushing teeth both sides is more balanced.

The purpose of the present invention, characteristic and technical scheme can be common in any combination or independently applied.Each It is not necessarily required to combine all purposes or characteristic in technical scheme.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is a kind of stereochemical structure principle schematic of alternative embodiment of crushing teeth provided by the present invention.

Fig. 2 is the schematic diagram at another visual angle of the crushing teeth provided in Fig. 1.

Fig. 3 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.

Fig. 4 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.

Fig. 5 is the lateral diagrammatic cross-section of the front end of the crushing teeth provided in Fig. 4.

Fig. 6 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.

Fig. 7 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.

Fig. 8 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.

A kind of optional distribution for the crushing teeth assembly on crushing toothed roller that Fig. 9 is provided for a kind of specific embodiment of the present invention The general diagram of form.

Figure 10 is the general diagram in the cut face of partial crushing tooth assembly at work in Fig. 9, is shown in Fig. 9 A, relative position during tri- crushing teeth cuts of b, c.

Embodiment

In order that those skilled in the art more fully understand each technical scheme involved in the present invention, below in conjunction with the accompanying drawings The present invention is described in further detail with specific embodiment.It should be noted that in the case where not conflicting, in the application Embodiment and embodiment described in each particular technique feature can be combined by any suitable means；In order to Unnecessary repetition is avoided, the present invention no longer separately illustrates to various combinations of possible ways, as long as it is without prejudice to the present invention's Thought, it should equally be considered as content disclosed in this invention.

As depicted in figs. 1 and 2, Fig. 1 is that a kind of stereochemical structure of alternative embodiment of crushing teeth provided by the present invention is former Manage schematic diagram；Fig. 2 is the schematic diagram at another visual angle of the crushing teeth provided in Fig. 1.

In a kind of specific embodiment, as depicted in figs. 1 and 2, a kind of crushing teeth provided by the invention, it is mainly used in brokenly Broken tooth assembly, including denticle, wherein, the leading section of the upper surface 01 of the denticle has rake face 40, the front end of the denticle With knife face 05 after master on face.

Further, as depicted in figs. 1 and 2, rake face 40 includes the guiding at anterior class watt groove face 41 and rear portion Face 42 is crossed, the guiding transition face 42 abuts with class watt groove face 41 and adjoiner 09 is to seamlessly transit；The class watt groove face 41 with After master the intersection of knife face 05 it is parallel with the crushing teeth direction of motion or overlap longitudinal section on angle 5 degree to 60 degree it Between；So that class watt groove face 41 with it is main after knife face 05 the direction of motion of the intersecting lens 30 towards the crushing teeth front in inner concavity, And make it that the front portion of rake face 40 there are two crowns 10,20 at the both ends of the intersecting lens 30, so as to which the crushing teeth is broken The crown 10,20 of its front end enters material prior to the intersecting lens 30 of inner concavity adjacent thereto when cutting work during work in other words In, and the intersecting lens 30 is guided by crown 10,20, stepped into from the both ends of the intersecting lens 30 in material.

It should be noted that wherein, class watt groove face 40 should be understood to include conventional watt groove face.It is in addition, adjacent in accompanying drawing Line indicated by the place of connecing 09 is actually what is smoothly transitted, it is illustrated that is understood for signal is convenient, subsequent drawings are also herewith.

Further, with reference to figure 1 and Fig. 2, the cross section of class watt groove face 41 is in arc-shaped, i.e., such watt of groove face 41 is at it It is one section of circular arc line on cross section.In some non-illustrated embodiments, such watt of groove face 41 can also be oval arcuation, star Wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, rotation Wheel wire, Lisa eat curve-like, hyperbolia, and either the cross section of two parabolic shapes combined or class watt groove face 41 is circle Arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve Line, roulette, Lisa eat in curve, hyperbola and straight line any combination either the combination of any three or it is any extremely Few four combination.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 1 and Fig. 2, transition face is oriented to 42 it is parallel with the crushing teeth direction of motion and by the guiding transition face 42 depression minimum point longitudinal section on be in arc-shaped. In some unshowned embodiments, be oriented to transition face 42 it is parallel with the crushing teeth direction of motion and pass through the guiding transition Can also be oval arcuation or star wire, catenary, gram Lay wire, cochleoid on the longitudinal section of the depression minimum point of face 42 Shape, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, hyperbolia, The parabolic shape of two combinations.In addition, being oriented to transition face 42, in and process parallel with the crushing teeth direction of motion, this was oriented to Crossing on the longitudinal section of the depression minimum point of face 42 can also be circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, snail Ox line, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa are eaten any two in curve, hyperbola and straight line The combination of the person either combination of any three or any at least four combination.Certainly, transition face 42 is oriented to break with described The broken tooth direction of motion it is parallel and by the guiding transition face 42 depression minimum point longitudinal section on the adjoiner of class watt groove face 41 The depth that not less than such watt groove face 41 of radius of curvature is recessed.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 1 and Fig. 2, class watt groove face 41 On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping linearly.In Fig. 1, if by the figure by this area skill Art personnel make side sectional view, then can be seen to be straight line with more obvious.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 1 and Fig. 2, class watt groove face 41 The linear or camber line on the longitudinal section either overlapped parallel with the crushing teeth direction of motion；And the straight line and the tooth The fore-and-aft direction of body is parallel.In addition, in some non-illustrated embodiments, the straight line and upper surface 01 are not parallel, and should Angle between straight line and upper surface 01 is no more than 20 or 15,12,10,8,7,6,5,4,3,2 degree.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 1 and Fig. 2, the denticle Upper surface 01 is plane in addition to rake face 40.Preferably, moved with reference to figure 1 and Fig. 2, class watt groove face 41 with the crushing teeth Direction is parallel or the longitudinal section that overlaps on linearly, and before the end line of such watt of side of groove face 41 or so two and upper surface 01 are removed Residing plane overlaps outside knife face 40.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 1 and Fig. 2, the denticle Left surface 03 and right flank 04 are parallel to each other.Preferably, it is upper with the crushing teeth with reference to figure 1, left surface 03, right flank 04 The plane residing in addition to rake face 40 of surface 01 is vertical.

On the basis of any of the above-described embodiment, further it can also be improved.As depicted in figs. 1 and 2, the denticle It is upper that through there is pilot hole 08, the bearing of trend of the axis of the pilot hole 08 and the left surface 03 of the denticle, right flank 04 are perpendicular, The denticle is relatively fixed by the locking member through the pilot hole 08 with toothholder.

On the basis of any of the above-described embodiment, further it can also be improved.As depicted in figs. 1 and 2, bottom surface 02 Leading section be provided be engaged with toothholder, for preventing the leading section of the denticle from being transported into the crushing teeth mounting hole of the toothholder Dynamic stopper 07, and the stopper 07 and the denticle are relatively fixed or are integral type.Preferably, the width of the stopper 07 The degree denticle is wide, i.e., the width of stopper 07 is more than the distance between left surface 03 and right flank 04.

On the basis of any of the above-described embodiment, further it can also be improved.As depicted in figs. 1 and 2, knife face after master There is a minor flank 06 between 05 and bottom surface 02.In a detailed embodiment not shown, Fig. 1 and Fig. 2 are referred to, On or the longitudinal section that overlaps parallel with the crushing teeth direction of motion, the minor flank 06 and it is main after angle between knife face 05 be less than Class watt groove face 41 and it is main after angle between knife face 05.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, Be provided with least two minor flanks 06 after master between knife face 05 and bottom surface 02, each minor flank 06 independently after knife face 05 under Arrange successively bottom surface 02；On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, each described minor flank 06 Angle between rake face 40 is sequentially reduced by its distributing order, and the angle between each described minor flank 06 and rake face 40 Angle respectively less than after class watt groove face 41 and master between knife face 05.

On the basis of any of the above-described embodiment, further it can also be improved.As illustrated in fig. 1 and 2, knife face 05 after master In plane.In addition, in some unshowned embodiments, knife face 05 can also be arcuate surface or inner concave after master.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, The cross section of knife face 05 is in arc-shaped, oval arcuation, star wire, catenary, gram Lay wire, snail wire, cissoid after master Wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, hyperbolia or two The parabolic shape of combination.In addition, in some unshowned embodiments, it is main after knife face 05 cross section can also be circular arc, it is ellipse Circular arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, spinning roller Line, Lisa eat any combination either combination of any three or any at least four in curve, hyperbola and straight line Combination.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, knife face 05 is in arc-shaped, oval arcuation, parabolic after master Wire, star wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid Valve wire, spinning roller wire, Lisa eat curve-like either hyperbolia or for circular arc, elliptic arc, parabola, astroid, stretched wire Line, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat curve, hyperbola and Any combination either combination of any three or any at least four combination in straight line.

On the basis of any of the above-described embodiment, further it can also be improved.As illustrated in fig. 1 and 2, minor flank 06 In plane.In addition, in some unshowned embodiments, minor flank 06 can also be arcuate surface or inner concave.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, The cross section of minor flank 06 is in arc-shaped, oval arcuation, star wire, catenary, gram Lay wire, snail wire, cissoid Wire, tractrix shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat curve-like, hyperbolia or two The parabolic shape of combination.In addition, in some unshowned embodiments, the cross section of minor flank 06 can also be circular arc, ellipse Circular arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, spinning roller Line, Lisa eat any combination either combination of any three or any at least four in curve, hyperbola and straight line Combination.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, minor flank 06 is in arc-shaped, oval arcuation, parabolic Wire, star wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix shape, cycloid shape, conchoid shape, tricuspid Valve wire, spinning roller wire, Lisa eat curve-like either hyperbolia or for circular arc, elliptic arc, parabola, astroid, stretched wire Line, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat curve, hyperbola and Any combination either combination of any three or any at least four combination in straight line.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 1, preceding knife is removed in upper surface 01 Also can be in the state of general plane outside face 40, i.e. upper surface 01 can do appropriate modification in addition to rake face 40 in Fig. 1.

On the basis of any of the above-described embodiment, further it can also be improved.It refer to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 For the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention；Fig. 4 is provided by the present invention Crushing teeth another alternative embodiment stereochemical structure principle schematic；Fig. 5 is the front end of the crushing teeth provided in Fig. 4 Lateral diagrammatic cross-section.

Specifically, as shown in figure 3, rake face 50 includes anterior class watt groove face 51 and the guiding transition face 52 at rear portion, The guiding transition face 52 abuts with class watt groove face 51 and adjoiner 09 is to seamlessly transit；Class watt groove face 51 and knife face 05 after master Angle of the intersection on the longitudinal section that the crushing teeth direction of motion is parallel or overlaps is between 5 degree to 60 degree；Class watt groove Face 51 and guiding transition face 52 are in the interior concave combined on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Form；So that class watt groove face 51 with it is main after knife face 05 intersecting lens 30 towards the front of the direction of motion of the crushing teeth be in indent Shape and the front portion of rake face 50 is caused at the both ends of the intersecting lens 30 to there are two crowns 10,20, so as to which the crushing teeth is being broken The crown 10,20 of its front end enters thing prior to the intersecting lens 30 of inner concavity adjacent thereto when cutting work during broken work in other words In material, and the intersecting lens 30 is guided by crown 10,20, stepped into from the both ends of the intersecting lens 30 in material.Wherein, combine Interior concave, with reference to figure 5, refer to curve 521 of straight line 511 of the class watt groove face 51 on the longitudinal section with being oriented to transition face 52 Intersection point is more than 511 another end points of straight line to the intersection point of upper surface 01 to the intersection point of upper surface 01.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 3, two crowns 10,20 with The plane residing in addition to rake face 50 of upper surface 01 overlaps.In addition, in some unshowned embodiments, two crowns 10, 20 planes residing in addition to rake face 50 with upper surface 01 can also be misaligned.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, Two crowns 10,20 are in three prismatic.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in figure 4, the width of intersecting lens 30 Degree is less than the outer width of two crowns 10,20.Preferably, cut as shown in figure 4, crown 10,20 also includes preceding bevel 11,21, before this The medial extremity of the front end of line in face 11,21 intersects with the intersecting lens 30 of inner concavity, the outboard end of the front end of line of the preceding bevel 11,21 with Left surface 03, right flank 04 are intersecting.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in Figure 4 and Figure 5, preceding bevel 11st, 21 planes residing in addition to rake face 50 with upper surface 01 overlap.In addition, with reference to figure 4 and Fig. 5, preceding bevel 11,21 with it is upper The plane residing in addition to rake face 50 of surface 01 can also be parallel or intersecting, and during intersection before bevel 11,21 with Angle between the plane is no more than 20 or 15,12,10,8,7,6,5,4,3,2 degree.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in Figure 4 and Figure 5, preceding bevel 11st, the 21 front end of line plane residing in addition to rake face 50 with upper surface 01 overlaps.In addition, with reference to figure 4 and Fig. 5, preceding bevel 11st, the 21 front end of line plane residing in addition to rake face 50 with upper surface 01 can also be parallel or intersected, and phase During friendship state, the angle between the front end of line and the plane is no more than 20 or 15,12,10,8,7,6,5,4,3,2 degree.

On the basis of any of the above-described embodiment, further it can also be improved.Fig. 6 and Fig. 7 are refer to, Fig. 6 is this The stereochemical structure principle schematic of the another alternative embodiment of the provided crushing teeth of invention；Fig. 7 is provided by the present invention broken The stereochemical structure principle schematic of the another alternative embodiment of broken tooth；Fig. 8 is the another optional of crushing teeth provided by the present invention The stereochemical structure principle schematic of embodiment.

Specifically, as shown in fig. 6, rake face 60 includes class watt groove face 61 and is oriented to transition face 62, class watt groove face 61 and a left side Side 03 and the intersection of right flank 04 are provided with chamfering 64, and the chamfering 64 can also use fillet to substitute.Be oriented to transition face 62 with The intersection of left surface 03 and right flank 04 is provided with chamfering 63, and the chamfering 63 can also use fillet to substitute.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in fig. 6,61 liang of class watt groove face The chamfering 64 of side uses equidistant chamfering, can also use the chamfering of Unequal distance in addition.As shown in fig. 6, it is oriented to the both sides of transition face 62 Chamfering 63 use equidistant chamfering, in addition can also use Unequal distance chamfering.

On the basis of any of the above-described embodiment, further it can also be improved.Fig. 6 is refer to, along perpendicular to class On the cross section of watt groove face 61, the angle between the chamfering 63,64 of the both sides of class watt groove face 61 and such watt of groove face 61 is no more than 150 Degree or no more than 120 degree, no more than 110 degree, no more than 105 degree, no more than 100 degree, no more than 98 degree, no more than 95 degree, No more than 94 degree, no more than 92 degree, no more than 90 degree, no more than 85 degree, no more than 83 degree, no more than 80 degree, no more than 75 degree, No more than 70 degree, no more than 65 degree, no more than 60 degree, no more than 55 degree.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, Fig. 6 is referred to, along perpendicular to being oriented on the cross section of transition face 62, the chamfering 63,64 for being oriented to the both sides of transition face 62 is led with this To the angle between transition face 62 be no more than 150 degree or no more than 120 degree, no more than 110 degree, no more than 105 degree, be no more than 100 degree, no more than 98 degree, no more than 94 degree, no more than 90 degree, no more than 85 degree, no more than 80 degree, no more than 75 degree, do not surpass Cross 70 degree, no more than 65 degree, no more than 60 degree, no more than 55 degree.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in fig. 7, rake face 70 includes Class watt groove face 71 and guiding transition face 72, the chamfering 74 of the both sides of class watt groove face 71 are in the same plane.As shown in fig. 7, it is oriented to The chamfering 73 of the both sides of transition face 42 is on same curved surface.

On the basis of any of the above-described embodiment, further it can also be improved.With reference to figure 7, the both sides of class watt groove face 71 Chamfering 74 residing for plane can also be parallel to each other.Curved surface residing for being oriented to the chamfering 73 of the both sides of transition face 42 can also mutually be put down OK.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in Figure 6 to 8, class watt groove face 61st, 71,81 width is less than the width of the denticle.In addition, as shown in Figures 1 to 5, the width of class watt groove face 41,51 is equal to The width of the denticle.As shown in Figures 1 to 6, class watt groove face 41,51,61 is put down on the center on the denticle width Face is symmetrical.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in figure 8, class watt groove face 81 Minimum point is located between the central plane and right flank 04 on the denticle width.In addition, the minimum point of class watt groove face 81 It can also be located between the central plane and left surface 03 on the denticle width.In addition, the minimum point of class watt groove face 81 It may be located on left surface 03 or right flank 04.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in figure 8, the left side of rake face 80 Chamfering 83 or rounding gradually increase from front to back.The chamfering 84 or rounding on the right side of rake face 80 be from front to back by It is decrescence small.As shown in figure 8, chamfering 84 is decreased to zero position positioned at being oriented on transition face 82 or class watt groove face 81 On.

On the basis of any of the above-described embodiment, further it can also be improved.As shown in Figure 7 and Figure 8, rake face 70th, curved vertical residing for the chamfering 73,83 on 80 left sides or right side is in left surface 03 or right flank 04.Preferably, rake face 40 Curved vertical is in the central plane on the denticle width residing for the chamfering 73,83 on right side.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, Left surface 03 is provided with waist type groove one or rectangular channel one, arcuate recess one, U-lag one；Right flank 04 be provided with waist type groove two or Person's rectangular channel two, arcuate recess two, U-lag two.Preferably, upper surface 01 is provided with rectangular channel three or waist type groove three, arcuate recess 3rd, U-lag three, bottom surface 02 be provided with rectangular channel four or, waist type groove four, arcuate recess four, U-lag four.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, The denticle is casting or forging.In addition, the denticle can also use bar or sheet fabrication to form.

Moreover, it relates to crushing teeth preparation method, the crushing teeth be any of the above-described embodiment described in Crushing teeth, the preparation method includes：

Step 04, the blank through Overheating Treatment is finished, including：The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of knife, shown preceding knife after shown master The processing in face；

Step 05, Surface hardening treatment, carburizing and quenching, nitride hardening or surface hardening are carried out to rake face；

Wherein, the processing of rake face uses a special-purpose milling cutter straight forming, and the special-purpose milling cutter has and the rake face The work department of the adaptable external diameter in the cross section of class watt groove face；It is described in the section by the center of rotation of the special-purpose milling cutter Work department is in arc-shaped, oval arcuation, star wire, catenary, gram Lay wire, snail wire, cissoid wire, tractrix Shape, cycloid shape, conchoid shape, tricuspid valve wire, spinning roller wire, Lisa eat the parabolic of curve-like, hyperbolia or two combinations Wire, or for circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, Conchoid, tricuspid valve line, roulette, Lisa eat any combination or the group of any three in curve, hyperbola and straight line Conjunction or any at least four combination；When processing the rake face, the special-purpose milling cutter from the rear end feed of the rake face it Along straight line, milling is in place forward or in place, or the special-purpose milling cutter is from the rake face for milling backward by front end feed along straight line afterwards Rear end feed after successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, camber line to the back-end Milling is in place.

On the basis of any of the above-described embodiment, further it can also be improved.In a kind of unshowned embodiment, When the special-purpose milling cutter is along line milling, the straight line is inclined, and the straight line is located at the front end of the denticle to described Plane residing for denticle upper surface it is vertical most short.

Step 04, the blank through Overheating Treatment is finished, including：The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of knife face after shown master, before shown The processing of knife face；

Step 05, Surface hardening treatment, carburizing and quenching, nitride hardening or surface hardening are carried out to shown rake face；

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, When the special-purpose milling cutter is along line milling, the straight line is inclined, and the straight line is located at the front end of the denticle to described Plane residing for denticle upper surface it is vertical most short.

On the basis of any of the above-described embodiment, further it can also be improved.In some unshowned embodiments, Also include the chamfering section for chamfering in the work department.

The invention further relates to crushing teeth assembly, the crushing teeth assembly includes the crushing teeth and toothholder to cooperate, wherein The crushing teeth is the crushing teeth described in any of the above-described embodiment.Specific embodiment refer to the above, and can combine correlation Prior art is repeated no more with obtaining the technical scheme of the crushing teeth assembly in the application.

The invention further relates to a kind of crushing toothed roller, including shaft assembly is crushed, be provided with roller on the broken shaft assembly, institute State and some crushing teeth assemblies are provided with roller, the crushing teeth assembly is that the crushing teeth described in any of the above-described embodiment is total Into.Specific embodiment refer to the above, and can combine related art to obtain the technical scheme of the crushing toothed roller, this Repeated no more in application.

On the basis of any of the above-described embodiment, further it can also be improved.Crushing teeth assembly is according to combined crosswise Arrangement form on the roller, the arrangement form of the combined crosswise is by an original row on the same helix of roller Crushing teeth assembly is assigned in the way of interval on two helixes, namely is meaned the N rows on the same circumference of roller is broken Tooth assembly is distributed on 2N helix.Fig. 9 and Figure 10 are refer to, Fig. 9 is provided broken for a kind of specific embodiment of the present invention A kind of general diagram of optional distribution form of crushing teeth assembly on broken discaling roll；Figure 10 is that the partial crushing tooth in Fig. 9 is total Into the general diagram in cut face at work, relative position during tri- crushing teeth cuts of a, b, c in Fig. 9 is shown.

Specifically, as shown in figure 9,3 points of a, b, c on former same helix is distributed on two neighboring spirals, its The point such as middle a, b, c refers to the distribution of the position of crushing teeth in crushing teeth assembly.As shown in Figure 10, the be broken angle of bursting apart of material is α, crush the timings of space width cs mono-, a, b crushing teeth cut go out after the groove of certain distance, follow-up c crushing teeths then relative to A, the front cut for the groove that b crushing teeths are formed, so due to previously having outputed groove in the both sides of the cut of c crushing teeths, therefore The required face area that bursts apart is reduced during this c crushing teeth cut and cutting depth hmax is also greater than h1 and h2 sums.Therefore, Using the arrangement mode crushing toothed roller crushing teeth it is broken cut each groove when, both sides neighbour's groove is first cut out, so The energy consumption of larger, the broken cutting of cutting thickness is low, and the stress of crushing teeth both sides is more balanced.

On the basis of any of the above-described embodiment, further it can also be improved.In a kind of unshowned embodiment, The row N of crushing teeth assembly on the same circumference of roller of crushing toothed roller numerical value is any in being 2 to 30.

The invention further relates to a kind of coal transporting breaking machine, include the drag conveyer and crushing toothed roller of mutual cooperation, it is described Crushing toothed roller is the crushing toothed roller described in any of the above-described embodiment.Specific embodiment refer to the above, and can combine phase Prior art is closed to obtain the technical scheme of the coal transporting breaking machine, is repeated no more in the application.

The invention further relates to a kind of movable crusher, including the crushing toothed roller or multiple on removable body Crushing teeth assembly, the crushing teeth assembly are the crushing teeth assembly described in any of the above-described embodiment, and the crushing toothed roller is upper State the crushing toothed roller described in any embodiment.Specific embodiment refer to the above, and can combine related art with The technical scheme of the movable crusher is obtained, is repeated no more in the application.

The invention further relates to a kind of disintegrating apparatus, including crushing toothed roller or multiple crushing teeth assemblies, the crushing teeth Assembly is the crushing teeth assembly described in any of the above-described embodiment, and the crushing toothed roller is broken described in any of the above-described embodiment Broken discaling roll.Specific embodiment refer to the above, and can combine related art to obtain the technical side of the disintegrating apparatus Case, repeat no more in the application.

In addition, above-mentioned crushing teeth can be used for performing in the equipment of driving or excacation, such as development machine, adopt In the equipment such as coal machine, shield machine.Now, because the difference of residing subdivision technical field the industry, crushing teeth are commonly referred to as Tunneling gear or shield cutter tooth；Correspondingly, crushing teeth assembly is also referred to as tunneling gear assembly or shield cutter tooth assembly, crushing teeth Roller mutually should be tunneling gear roller or shield cutter tooth roller.It is preceding when above-mentioned crushing teeth is applied in development machine, coal-winning machine, shield machine The crushing teeth title stated is adjusted to tunneling gear, and either shield cutter tooth, crushing teeth assembly are adjusted to tunneling gear assembly or shield cutter tooth Assembly, crushing toothed roller are adjusted to tunnel discaling roll or shield cutter tooth roller；Mean that present invention also offers corresponding pick Enter tooth, shield cutter tooth, tunneling gear assembly, shield cutter tooth assembly, driving discaling roll, shield cutter tooth roller and apply foregoing any implementation Development machine, coal-winning machine, the shield machine of example.

The description of the function or effect of the above-mentioned dependency structure to the present invention, refers to that it has the function or effect, It is possible to also have other functions or effect, therefore, is not construed as carrying out it improper restriction of function or effect.

Above to inventing a kind of crushing teeth provided, the preparation method of crushing teeth, comprising the crushing teeth or use The crushing teeth assembly of crushing teeth made of the preparation method of the crushing teeth, crushing toothed roller, coal transporting breaking machine, disintegrating apparatus and Development machine, coal-winning machine, shield machine and its corresponding parts etc. are described in detail.Specific case used herein is to this hair Bright principle and embodiment is set forth, the explanation of above example be only intended to help the method for understanding the present invention and its Core concept.It should be pointed out that although having carried out detailed description to the better model for performing the present invention, but do not departing from On the premise of the principle of the invention, those skilled in the art can learn within the scope of the appended claims be used for implement this hair Bright many alternative designs and embodiment.

Claims

1. a kind of pick, it is mainly used in pick assembly, including denticle, it is characterised in that the leading section of the upper surface of the denticle With rake face, with knife face after master on the front end face of the denticle；The rake face include anterior class watt groove face and after The guiding transition face in portion, the guiding transition face are to seamlessly transit with the class watt groove face adjoining and adjoiner；The class watt groove Face is provided with chamfering or fillet with the left surface of the denticle and/or the intersection of right flank；After the class watt groove face and the master Angle of the knife face intersection on the longitudinal section that the pick direction of motion is parallel or overlaps is between 5 degree to 60 degree；It is described Class watt groove face and the transition face that is oriented to are in combining on longitudinal section that is parallel with the pick direction of motion or overlapping The form of concave；So that the front of the direction of motion of the intersecting lens of the class watt groove face and knife face after the master towards the pick is in Inner concavity and the front portion of the rake face is caused at the both ends of the intersecting lens to there are two crowns, so as to which the pick is crushing The crown of its front end enters thing prior to the intersecting lens of the inner concavity adjacent thereto when cutting work during work in other words In material, and the intersecting lens is guided by the crown, stepped into from the both ends of the intersecting lens in material.

2. pick according to claim 1, it is characterised in that the left surface for being oriented to transition face and the denticle and/ Or the intersection of right flank is provided with chamfering or fillet.

3. pick according to claim 1, it is characterised in that the chamferings of the class watt groove face both sides using equidistant or Away from chamfering；The chamfering of the class watt groove face both sides is in the same plane, or is put down residing for the chamfering of the class watt groove face both sides Face is parallel to each other.

4. pick according to claim 2, it is characterised in that the chamfering for being oriented to transition face both sides is using equidistantly or not Equidistant chamfering；The chamfering for being oriented to transition face both sides is on same curved surface, or the chamfering for being oriented to transition face both sides Residing curved surface is parallel to each other.

5. pick according to claim 2, it is characterised in that on edge on the cross section of the class watt groove face, institute The angle stated between the chamfering of class watt groove face both sides and such watt of groove face is no more than 100 degree；

It is oriented to along perpendicular to described on the cross section of transition face, the chamfering for being oriented to transition face both sides and the guiding transition face Between angle be no more than 100 degree.

6. pick according to any one of claim 1 to 5, it is characterised in that the width of the class watt groove face is less than institute State the width of denticle；

The class watt groove face is symmetrical on the central plane on the denticle width.

7. pick according to any one of claim 1 to 5, it is characterised in that the minimum point of the class watt groove face is located at Central plane on the denticle width and between the left surface of the denticle, or the minimum point position of the class watt groove face Between the central plane and the right flank of the denticle on the denticle width.

8. pick according to any one of claim 1 to 5, it is characterised in that the minimum point of the class watt groove face is located at On the left surface or right flank of the denticle.

9. a kind of pick assembly, include the pick and toothholder of mutual cooperation, it is characterised in that the pick is claim 1 to 8 Any one of pick.

10. a kind of pick roller, including broken shaft assembly, it is characterised in that roller, the roller are provided with the broken shaft assembly Some pick assemblies are provided with cylinder, the pick assembly is the pick assembly described in claim 9.

11. pick roller according to claim 10, it is characterised in that some pick assemblies according to combined crosswise cloth Form is put on the roller, the arrangement form of the combined crosswise is by an original row on the same helix of roller Pick assembly is assigned in the way of interval on two helixes, namely is meaned N row's picks on the same circumference of roller is total Into being distributed on 2N helix.

12. a kind of disintegrating apparatus, including pick roller or multiple pick assemblies, it is characterised in that the pick assembly is right It is required that the pick assembly described in 9, the pick roller is the pick roller described in claim 10 or 11.

13. a kind of development machine, including driving discaling roll or multiple tunneling gear assemblies, it is characterised in that the tunneling gear assembly is Pick assembly described in claim 9, the driving discaling roll are the pick roller described in claim 10 or 11, and by art therein Language pick is changed to tunneling gear, pick roller is changed to tunnel discaling roll.

14. a kind of coal-winning machine, including pick roller or multiple pick assemblies, it is characterised in that the pick assembly will for right The pick assembly described in 9 is sought, the pick roller is the pick roller described in claim 10 or 11.