CN110439587A - Cutting units and development machine - Google Patents
Cutting units and development machine Download PDFInfo
- Publication number
- CN110439587A CN110439587A CN201910845633.5A CN201910845633A CN110439587A CN 110439587 A CN110439587 A CN 110439587A CN 201910845633 A CN201910845633 A CN 201910845633A CN 110439587 A CN110439587 A CN 110439587A
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- China
- Prior art keywords
- main shaft
- bolster
- cut main
- drive sleeve
- cutting units
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of cutting units and development machines, are related to the technical field of construction machinery.The cutting units includes cut main shaft, drive sleeve, sealing element, bolster and driving mechanism.Driving mechanism is located at the side of one end of cut main shaft, and connect with the side wall of cut main shaft.Bolster and sealing element are annular, and along the axial direction of cut main shaft, drive sleeve, bolster and sealing element are successively socketed in cut main shaft, and the side away from bolster of sealing element is abutted with driving mechanism.There is interval between bolster and sealing element, and bolster is abutted with one end of the close sealing element of drive sleeve, bolster can support drive sleeve.The development machine includes above-mentioned cutting units.The technical issues of present invention alleviates the floating seal seat in the cutting units of development machine existing in the prior art and easily bears axial dynamic load, and the driving mechanism of floating seal seat side is caused constantly to be hit, cutting units is made not to be able to maintain normal operating status.
Description
Technical field
The present invention relates to construction machinery technical fields, more particularly, to a kind of cutting units and development machine.
Background technique
Development machine is the mechanical equipment for tunneling tunnel in mine, engineering tunnel, city underground engineering.Development machine includes row
Mechanism, operating mechanism, shipment activity and transferring mechanism are walked, as walking mechanism is pushed ahead, the cutting units in operating mechanism is not
Disconnected fractured rock, and detritus is transported.
As shown in Figure 1, the cutting units of existing development machine includes cutting arm 1 ' and driving mechanism 2 ', cutting arm 1 ' includes cone
Hollow cutterhead 10 ', cut main shaft 11 ', sleeve 12 ' and the inner wall of shape are provided with the spline housing 13 ' of spline tooth.Cut main shaft
11 ' are socketed in cutterhead 10 ', and wherein one end of cut main shaft 11 ' is bolted on the interior of the tip of cutterhead 10 '
On wall.Spline housing 13 ' is fixed on the inner sidewall at the tip of cutterhead 10 ', and is socketed in cut main shaft 11 ' and is provided with flower
The spline tooth engagement on spline tooth and cut main shaft 11 ' on the part of key teeth, on 13 ' inner wall of spline housing.Cutterhead 10 ' it is remote
One end from tip is connected to sleeve 12 ', and driving mechanism 2 ' passes through sleeve 12 ' and extendes back into cutterhead 10 ', and driving mechanism 2 '
It is connect with the side wall of cut main shaft 11 '.
Wherein, floating seal seat 3 ' is also socketed on the side wall of cut main shaft 11 ', floating seal seat 3 ' deviates from cutterhead
The side at 10 ' tips is abutted with driving mechanism 2 ', the side at the 10 ' tip of close cutterhead of floating seal seat 3 ' and spline housing
The one end at 13 ' 10 ' tip of separate cutterhead abuts.It is equipped on the side of the close driving mechanism 2 ' of floating seal seat 3 ' close
Seal, sealing ring are used to prevent dust from entering spline housing 13 ' and cutting from the junction of driving mechanism 2 ' and cut main shaft 11 '
Engagement place between main shaft 11 '.The side of the close spline housing 13 ' of floating seal seat 3 ' is used to support spline housing 13 '.
But when development machine is when doing drilling work, the needs of cutterhead 10 ' constantly move forward and backward in rock, drive at this time
Motivation structure 2 ' drives cut main shaft 11 ' to move along its axis, and since rock is harder, cutterhead 10 ' can be constantly by rock
Reaction force and bear biggish axial vibration, and the axial vibration can be passed to spline housing 13 '.Due to cut main shaft 11 '
It is to be bolted between cutterhead 10 ', easily loosens therebetween, and spline housing 13 ' is not fixed to cut main shaft
On 11 ', thus spline housing 13 ' is easily generating axial displacement because of axial vibration in cut main shaft 11 ' and is constantly hitting therewith
The floating seal seat 3 ' of abutting so that floating seal seat 3 ' bears always axial dynamic load, and then leads to floating seal seat 3 ' one
The driving mechanism 2 ' of side is constantly hit, and not only driving mechanism 2 ' easy to damage can also aggravate the vibration and shaking that cutting units is subject to,
So that cutting units is not able to maintain normal operating status.
Summary of the invention
The purpose of the present invention is to provide a kind of cutting units and development machines, are existed with alleviating development machine existing in the prior art
When doing drilling work, the floating seal seat in the cutting units of development machine bears always axial dynamic load, leads to floating seal seat one
The driving mechanism of side is constantly hit, and not only driving mechanism easy to damage can also aggravate the vibration and shaking that cutting units is subject to, and makes to cut
Cut the technical issues of portion is not able to maintain normal operating status.
Cutting units provided by the invention includes cut main shaft, drive sleeve, sealing element, bolster and driving mechanism；
Driving mechanism is located at the side of one end of cut main shaft, and connect with the side wall of cut main shaft；
Bolster and sealing element are annular, and along the axial direction of cut main shaft, drive sleeve, bolster and sealing element are successively socketed
In cut main shaft, and the side away from bolster of sealing element is abutted with driving mechanism；
There is interval between bolster and sealing element, and bolster is abutted with one end of the close sealing element of drive sleeve, delays
Stamping can support drive sleeve.
Further, the first of annular is provided with along the circumferential direction of bolster, the side of bolster abutted with drive sleeve
Groove is equipped with the first sealing ring in the first groove, and the first sealing ring can be abutted with the side wall of the first groove, and with transmission
The side wall of set abuts.
Further, cutting units further includes with water assembly, includes the interconnecting piece of annular with water assembly；
Interconnecting piece is socketed and is fixed in cut main shaft, and connecting portion is between bolster and sealing element；Interconnecting piece with
The side of the close bolster of sealing element abuts；
It is spaced along the axial direction of cut main shaft, bolster and with existing between water assembly.
Further, the barriers of annular are provided between interconnecting piece and cut main shaft, barriers are socketed and are fixed on and cut
It cuts on main shaft, interconnecting piece is socketed and is fixed on barriers.
Further, the escape groove of annular is provided on the end face of the close bolster of drive sleeve, and escape groove setting exists
At the hollow position of drive sleeve；
Along the radial direction of cut main shaft, the one of the close cut main shaft of the one side and bolster of the separate cut main shaft of escape groove
Radial spacing between face, greater than barriers separate cut main shaft and bolster close cut main shaft while it
Between radial spacing；
Bolster away from the side of barriers and the end abutment of drive sleeve, and for blocking the opening of escape groove；It is slow
The side of the close barriers of stamping is abutted with barriers, and is existed between the side and interconnecting piece of the close barriers of bolster
Interval；
First groove be arranged in bolster on the side of barriers.
Further, ring is provided with along the circumferential direction of bolster, the one side of bolster being socketed with the side wall of cut main shaft
Second groove of shape is equipped with the second sealing ring in the second groove, and the second sealing ring can be abutted with the side wall of the second groove, with
And it is abutted with the side wall of cut main shaft.
Further, cutting units further includes taper and hollow cutterhead, multiple first anti-shake parts and multiple second anti-shakes
Part；
Drive sleeve is socketed in cutterhead, and the outer wall of drive sleeve is fixed on the inner wall of cutterhead；Cut main shaft it is remote
One end from sealing element is fixed on the inner wall at the tip of cutterhead；
Along the axial direction of cut main shaft, multiple first anti-shake parts are arranged at intervals on the side wall of cut main shaft；Along drive sleeve
Axial, multiple second anti-shake parts are arranged at intervals on the inner wall of drive sleeve；
First anti-shake part and the second anti-shake part are arranged in a one-to-one correspondence, and the first anti-shake part and the second anti-shake part can be in cuttings
It is mutually abutted in the axial direction of main shaft.
Further, the first anti-shake part is annular groove, and the second anti-shake part is annular protrusion, and the second anti-shake part is located at first
In anti-shake part；Alternatively, the first anti-shake part is annular protrusion, the second anti-shake part is annular groove, and it is anti-that the first anti-shake part is located at second
It shakes in part.
Further, the first anti-shake part and the second anti-shake part are two；
One of them second anti-shake part is arranged on the inner sidewall of wherein one end of drive sleeve, one of them first anti-shake part
It is arranged in cut main shaft at position corresponding with one of them second anti-shake part；
On the inner sidewall for the other end that drive sleeve is arranged in another the second anti-shake part, the setting of another the first anti-shake part exists
In cut main shaft at position corresponding with another the second anti-shake part.
Development machine provided by the invention includes above-mentioned cutting units.
Cutting units provided by the invention and driving function generate it is following the utility model has the advantages that
Cutting units provided by the invention includes cut main shaft, drive sleeve, sealing element, bolster and driving mechanism.Driving machine
Structure is located at the side of one end of cut main shaft, and connect with the side wall of cut main shaft.Along the axial direction of cut main shaft, drive sleeve is delayed
Stamping and sealing element are successively socketed in cut main shaft, and the side away from bolster of sealing element is abutted with driving mechanism.It is slow
There is interval between stamping and sealing element, and bolster is abutted with one end of the close sealing element of drive sleeve.Cutting in the present invention
Cutting main shaft is the cut main shaft in existing cutting units, and the drive sleeve in the present invention can be the spline in existing cutting units
It covers, the sealing element in the present invention can be the floating seal seat in existing cutting units.When development machine is when doing drilling work, drive
Motivation structure can drive cut main shaft to move along its axis, so that cut main shaft drive is fixedly connected and is gone along with sb. to guard him with drive sleeve and is being driven
The cutterhead for covering the taper in outside constantly moves forward and backward in rock.Cutterhead can be constantly by the reaction force of rock at this time
And by axial vibration, and the axial vibration can be passed to the drive sleeve being fixed on cutterhead inner sidewall.Due to drive sleeve
Be not fixed in cut main shaft, and between cut main shaft and cutterhead by the connection of the bolt that easily loosens thus drive sleeve
It can be because above-mentioned axial vibration generates displacement along the axial of cut main shaft in cut main shaft.And in cutting units provided by the invention
In, there is interval between bolster and sealing element, and bolster can support drive sleeve, thus drive sleeve can pass axial vibration
Buffer board is passed, continues to pass to axial vibration into sealing element and driving mechanism without passing through above-mentioned interval.
Therefore when development machine is when doing drilling work, for cutting units provided by the invention, drive sleeve therein is by axis
To after vibration, because being spaced the effect with buffer board, the axial vibration that will not be subject to continues to pass to sealing element and driving machine
Structure, and then driving mechanism will not be damaged will not aggravate the vibration and shaking that cutting units is subject to, cutting units can be made to keep normal
Operating status, promote the stability of cutting units.
Development machine provided by the invention includes above-mentioned cutting units, thus development machine provided by the invention and above-mentioned cutting units have
There is identical beneficial effect.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of existing cutting units；
Fig. 2 is the structural schematic diagram for the cutting units that the embodiment of the present invention one provides；
Fig. 3 is the portion the A enlarged diagram in Fig. 2；
Fig. 4 is the structural schematic diagram of the bolster in Fig. 2；
Fig. 5 change in location schematic diagram under the action of axial vibration for the bolster in Fig. 2；
Fig. 6 is the structural schematic diagram of the cut main shaft and drive sleeve in Fig. 2.
Icon: 1 '-cutting arm；10 '-cutterheads；11 '-cut main shafts；12 '-sleeves；13 '-spline housings；2 '-driving machines
Structure；3 '-floating seal seats；1- cut main shaft；10- the first anti-shake part；2- drive sleeve；20- escape groove；21- the second anti-shake part；3-
Sealing element；4- bolster；The first groove of 40-；The first sealing ring of 400-；The second groove of 41-；The second sealing ring of 410-；5- driving
Mechanism；The interval 6-；7- interconnecting piece；8- barriers；9- cutterhead；90- protects cylinder.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one:
As shown in Figures 2 and 3, cutting units provided in this embodiment includes cut main shaft 1, drive sleeve 2, sealing element 3, buffering
Part 4 and driving mechanism 5.Driving mechanism 5 is located at the side of one end of cut main shaft 1, and connect with the side wall of cut main shaft 1.It is slow
Stamping 4 and sealing element 3 are annular, and along the axial direction of cut main shaft 1, drive sleeve 2, bolster 4 and sealing element 3, which are successively socketed in, to be cut
It cuts on main shaft 1, and the side away from bolster 4 of sealing element 3 is abutted with driving mechanism 5.It is deposited between bolster 4 and sealing element 3
At interval 6, and bolster 4 is abutted with one end of the close sealing element 3 of drive sleeve 2, and bolster 4 can support drive sleeve 2.
Above-mentioned cut main shaft 1 is the cut main shaft 1 in existing cutting units, and the drive sleeve 2 in the present embodiment can be
Spline housing in existing cutting units, the sealing element 3 in the present embodiment can be the floating seal seat in existing cutting units.When
For development machine when doing drilling work, driving mechanism 5 can drive cut main shaft 1 to move along its axis so that cut main shaft 1 drive with
Drive sleeve 2 is fixedly connected and the cutterhead 9 gone along with sb. to guard him in the taper in the outside of drive sleeve 2 constantly moves forward and backward in rock.At this time
Cutterhead 9 can constantly by the reaction force of rock and by the dynamic load of multiple directions, wherein the dynamic load of multiple directions with
Based on axial dynamic load, i.e., cutterhead 9 will receive biggish axial vibration.Then cutterhead 9 can pass to the axial vibration
The drive sleeve 2 being fixed on 9 inner sidewall of cutterhead.
However since drive sleeve 2 is not fixed in cut main shaft 1, and by easy between cut main shaft 1 and cutterhead 9
The bolt of loosening connects, thus drive sleeve 2 can because above-mentioned axial vibration in cut main shaft 1 along the axis of cut main shaft 1
It is displaced to generating.And there is interval 6 in cutting units provided in this embodiment, between bolster 4 and sealing element 3, and bolster 4
Can support drive sleeve 2, thus axial vibration can be passed to buffer board by drive sleeve 2, but not pass through above-mentioned interval 6 continue by
Axial vibration passes to sealing element 3 and driving mechanism 5.
Therefore when development machine is when doing drilling work, for cutting units provided in this embodiment, drive sleeve 2 therein by
After axial vibration, because of the effect at interval 6 and buffer board, the axial vibration that will not be subject to continues to pass to sealing element 3 and drive
Motivation structure 5, and then driving mechanism 5 will not be damaged will not aggravate the vibration and shaking that cutting units is subject to, cutting units can be made to protect
Normal operating status is held, the stability of cutting units is promoted.
As can be seen that cutting units provided in this embodiment, which alleviates development machine existing in the prior art, is doing drilling work
When, the floating seal seat in the cutting units of development machine bears always axial dynamic load, leads to the driving machine of floating seal seat side
Structure 5 is constantly hit, and not only driving mechanism 5 easy to damage can also aggravate the vibration and shaking that cutting units is subject to, prevent cutting units from
The technical issues of keeping normal operating status.
Wherein, bolster 4 can be bolted in cut main shaft 1, or be interference fitted in cut main shaft 1.
The interval 6 between bolster 4 and sealing element 3 is sufficiently large at this time, to prevent drive sleeve 2 from pushing bolster 4, and then prevents from buffering
Part 4 is abutted with sealing element 3.
Further, as shown in Figure 2, Figure 3 and Figure 4, along the circumferential direction of bolster 4, bolster 4 is abutted with drive sleeve 2
It is provided with the first groove 40 of annular on side, first sealing ring 400,400 energy of the first sealing ring are installed in the first groove 40
It is enough to be abutted with the side wall of the first groove 40, and abutted with the side wall of drive sleeve 2.
Wherein, the first sealing ring 400 can be rubber ring or silica gel ring, and the first sealing ring 400 is used for bolster 4 and passes
Gap sealing at 2 abuttings of dynamic set, prevents gap of the dust between bolster 4 and drive sleeve 2 from entering the above-mentioned of drive sleeve 2
It in escape groove 20, and then can prevent dust from entering at the link position between drive sleeve 2 and cut main shaft 1, prevent from influencing
The process that cut main shaft 1 drives drive sleeve 2 to rotate.
As shown in Figures 2 and 3, cutting units further includes with water assembly, includes the interconnecting piece 7 of annular, interconnecting piece 7 with water assembly
It is socketed and is fixed in cut main shaft 1, and interconnecting piece 7 is between bolster 4 and sealing element 3.Interconnecting piece 7 and sealing element 3
It is abutted close to the side of bolster 4.6 are spaced along the axial direction of cut main shaft 1, bolster 4 and with existing between water assembly.
Wherein, 7 part of disconnected portion with water assembly and driving mechanism 5 are bolted together, use with water assembly
It supplies water in driving mechanism 5 and cut main shaft 1, to reduce the temperature of driving mechanism 5 and cut main shaft 1.
When cutting units includes with water assembly, since the interconnecting piece 7 with water assembly is connected to the close bolster of sealing element 3
4 side, thus the interval 6 between bolster 4 and sealing element 3 can be set in bolster 4 and between water assembly.Delay at this time
Stamping 4 is used to support drive sleeve 2, and the biggish axial vibration that above-mentioned interval 6 is used to that drive sleeve 2 to be prevented to be subject to, which passes to, matches
Water assembly then prevents axial vibration to be transferred on sealing element 3.
Further, as shown in Figures 2 and 3, the barriers 8 of annular, resistance are provided between interconnecting piece 7 and cut main shaft 1
Spacing body 8 is socketed and is fixed in cut main shaft 1, and interconnecting piece 7 is socketed and is fixed on barriers 8.
Wherein, barriers 8 can be existing spacer, and barriers 8 can be fixed on by components such as screw or pin shafts
In cut main shaft 1, the side of barriers 8 can be abutted with sealing element 3 at this time, also have interval between the other side and bolster 4
6, the axial vibration which is used to that bolster 4 to be prevented to be subject to passes to barriers 8, then prevents from passing axial vibration
Pass sealing element 3.Bolster 4 can be fixed on the side wall of cut main shaft 1 by way of bolt or interference fit at this time.
Wherein, it is further lift-off seal, prevents dust from entering the connection between drive sleeve 2 and cut main shaft 1
Place, as shown in Figures 2 and 3, the present embodiment is preferably provided with the sealing ring for sealing between barriers 8 and cut main shaft 1.
In the present embodiment, as shown in Figures 2 and 3, annular is provided on the end face of the close bolster 4 of drive sleeve 2
Escape groove 20, and escape groove 20 is arranged at the hollow position of drive sleeve 2.Along the radial direction of cut main shaft 1, escape groove 20 it is separate
Cut main shaft 1 and bolster 4 close cut main shaft 1 while between radial spacing, it is separate greater than barriers 8
Cut main shaft 1 and bolster 4 close cut main shaft 1 while between radial spacing.Bolster 4 deviates from barrier
The side of part 8 and the end abutment of drive sleeve 2, and the opening for blocking escape groove 20.The close barriers 8 of bolster 4
Side is abutted with barriers 8, and there is interval 6 between the side and interconnecting piece 7 of the close barriers 8 of bolster 4.First groove
40 be arranged in bolster 4 on the side of barriers 8.
Wherein, in existing cutting units and cutting units provided in this embodiment, the one of the close sealing element 3 of drive sleeve 2
Escape groove 20 is provided at the hollow position at end, which is used to be mounted in cut main shaft 1 and lean on drive sleeve 2
Component at the corresponding position in one end of nearly sealing element 3 provides avoiding space.In existing cutting units, escape groove can be sealed
The component of 20 open end is the floating seal seat for being connected to spline housing side, and in the present embodiment, it is possible to seal escape groove
The component of 20 open end is the buffer board for being connected to 2 side of drive sleeve.
It should be noted that bolster 4 is supported when the side of the close barriers 8 of bolster 4 is abutted with barriers 8
It connects between barriers 8 and drive sleeve 2.When cutting units is crept into rock, since cutting units is not only by axial dynamic load,
Radial dynamic load is also suffered from, thus drive sleeve 2 not only can generate vibration along the axial of cut main shaft 1 at this time, it can also be in cutting
Rotation under the drive of main shaft 1.When drive sleeve 2, which passes to axial vibration, is located at bolster 4 thereafter, bolster 4 is because above-mentioned
Radial dynamic load stress is simultaneously uneven, and bolster 4 can generate small inclination in cut main shaft 1, as shown in Figure 5.Delay at this time
For a part in the top half and lower half portion of stamping 4 by axial vibration, another part then can be due to above-mentioned inclination
Gap is generated between barriers 8, axial vibration can't be passed to barriers 8.
Meanwhile as shown in Figures 2 and 3, since the side of the close bolster 4 of drive sleeve 2 is provided with escape groove 20, and edge
The radial direction of cut main shaft 1, the separate cut main shaft 1 of escape groove 20 and bolster 4 close cut main shaft 1 while it
Between radial spacing, greater than barriers 8 separate cut main shaft 1 and bolster 4 close cut main shaft 1 while it
Between radial spacing, thus the part by axial vibration of bolster 4 be bolster 4 the position abutted with drive sleeve 2 at,
And not will receive axial vibration at the position corresponding with escape groove 20 of bolster 4, as shown in Figures 2 and 3.Thus in bolster 4
It, can be towards bolster 4 and with the interval 6 between water assembly at the position that bolster 4 is abutted with drive sleeve 2 after axial vibration
Place's movement, and can be tilted towards the side of escape groove 20 at the position corresponding with escape groove 20 of bolster 4, bolster 4 will not incite somebody to action
Its axial vibration being subject to is passed to water assembly and barriers 8.
As shown in Figures 2 and 3, along the circumferential direction of bolster 4, the one side of bolster 4 being socketed with the side wall of cut main shaft 1
It is provided with the second groove 41 of annular, the second sealing ring 410 is installed in second groove 41, the second sealing ring 410 can be with the
The side wall of two grooves 41 abuts, and abuts with the side wall of cut main shaft 1.
Second sealing ring 410 can further lift-off seal, the second sealing ring 410 is used for bolster 4 and cutting
Gap sealing between 1 side wall of main shaft gets up, and prevents gap of the dust across 1 side wall of bolster 4 and cut main shaft laggard
Enter into escape groove 20.
As shown in Fig. 2, Fig. 3 and Fig. 6, cutting units further includes taper and hollow cutterhead 9, multiple first anti-shake part, 10 and
Multiple second anti-shake parts 21.As shown in Figures 2 and 3, drive sleeve 2 is socketed in cutterhead 9, and the outer wall of drive sleeve 2 is fixed on
On the inner wall of cutterhead 9, on the inner wall at the tip that one end of the separate sealing element 3 of cut main shaft 1 is fixed on cutterhead 9.Such as Fig. 6
Shown, along the axial direction of cut main shaft 1, multiple first anti-shake parts 10 are arranged at intervals on the side wall of cut main shaft 1, along drive sleeve 2
Axial direction, multiple second anti-shake parts 21 are arranged at intervals on the inner wall of drive sleeve 2.First anti-shake part 10 and the second anti-shake part 21 1
One is correspondingly arranged, and the first anti-shake part 10 and the second anti-shake part 21 can mutually abut in the axial direction of cut main shaft 1.
Wherein, existing cutting units and cutting units provided in this embodiment include protection cylinder 90, and protection cylinder 90 is hollow
Cylindrical structure, and cutting units provided in this embodiment further includes cylinder, and cylinder is the sleeve in existing cutting units.It protects
One end of casing 90 is connected to the one end at 9 tip of separate cutterhead of cutterhead 9, protection cylinder 90 protection cylinder 90 the other end with
One end of cylinder is connected to, and cut main shaft 1 is located at the hollow position of cutterhead 9, protection cylinder 90 and cylinder.Wherein, in drive sleeve 2
Side wall is provided with spline, 2 corresponding position of drive sleeve is provided with spline in cut main shaft 1, the spline and cutting in drive sleeve 2
Spline on main shaft 1 cooperates, so that cut main shaft 1 is able to drive drive sleeve 2 and rotates together.
During development machine fractured rock, cutterhead 9 not only needs to advance in rock or retreat, it is also necessary to do
Cutting work is turned round, to pass through rotation fractured rock.Thus during development machine fractured rock, cutterhead 9 needs to bear
Dynamic load including radial dynamic load and axial dynamic load.But when development machine does revolution cutting work, cutterhead 9 is mainly held
By the dynamic load based on radial dynamic load.Wherein, when development machine does revolution cutting work, power mechanism can drive cutting master
1 rotation of axis then drives 2 rotation of drive sleeve using the spline fitted between drive sleeve 2 and cut main shaft 1, after 2 rotation of drive sleeve
It will drive the rotation of cutterhead 9.
But for existing cutting units, when development machine does revolution cutting work, i.e., cutterhead 9 is primarily subjected to radial dynamic
When load, due to cutterhead 9 tip be stress maximum position at, thus cutterhead 9 can using its tip as oscillation center and
It is swung in cut main shaft 1, causes the amplitude of fluctuation of the one end at the separate tip of cutterhead 9 larger.The separate point of cutterhead 9 at this time
Biggish abrasion is generated between one end meeting at end and the one end for protecting cylinder 90, causes 9 end of cutterhead and protection 90 end quilt of cylinder
It destroys, then cutting units remaining part is damaged.
And in cutting units provided in this embodiment, it can be in cutting master between the first anti-shake part 10 and the second anti-shake part 21
Mutually abutted in the axial direction of axis 1, so can cutterhead 9 using its tip as oscillation center and when being swung in cut main shaft 1,
It prevents from being mutually shifted between the drive sleeve 2 and cut main shaft 1 being fixed on 9 inner sidewall of cutterhead along the axial direction of cut main shaft 1.By
In cutterhead 9 using its tip as oscillation center and when being swung in cut main shaft 1, the tip location of cutterhead 9 is constant, cutterhead
The path that the one end at 9 separate tip is swung is arc, thus the swing process of cutterhead 9 not only includes along 1 diameter of cut main shaft
To movement, further include moving along cut main shaft 1 is axial.And it cooperates between the first anti-shake part 10 and the second anti-shake part 21
It can prevent from being mutually shifted between drive sleeve 2 and cut main shaft 1 along the axial direction of cut main shaft 1, thus the first anti-shake part 10 and
Two anti-shake parts 21 can be used for limiting the swing process of cutterhead 9, and playing prevents between 9 end of cutterhead and protection 90 end of cylinder
Generate the effect of abrasion, the further stability for promoting cutting units.
In the present embodiment, as shown in fig. 6, the first anti-shake part 10 is annular groove, the second anti-shake part 21 is annular protrusion,
Second anti-shake part 21 is located in the first anti-shake part 10.Alternatively, the first anti-shake part 10 is annular protrusion, the second anti-shake part 21 is annular
Groove, the first anti-shake part 10 are located in the second anti-shake part 21.
Wherein, the shape of the second anti-shake part 21 can be hollow cylindrical structure, the shape of the first anti-shake part 10 and the
The shape of two anti-shake parts 21 is corresponding.
It further, is the effect for limiting cutterhead 9 and swinging for promoting the first anti-shake part 10 and the second anti-shake part 21, second
The side wall towards 9 tip of cutterhead and the side wall towards driving mechanism 5 of anti-shake part 21, with the second anti-shake part 21 and cutting
The opposite side wall of 1 side wall of main shaft is vertical.
Wherein, can be interference fit between the first anti-shake part 10 and the second anti-shake part 21 so that the second anti-shake part 21 with
Biggish friction is generated between first anti-shake part 10, the further limitation section for promoting the first anti-shake part 10 and the second anti-shake part 21
Cut first 9 effects swung.
In the present embodiment, as shown in fig. 6, the first anti-shake part 10 and the second anti-shake part 21 are two, one of them
Two anti-shake parts 21 are arranged on the inner sidewall of wherein one end of drive sleeve 2, one of them first anti-shake part 10 is arranged in cutting master
On axis 1 at position corresponding with one of them second anti-shake part 21.The another of drive sleeve 2 is arranged in another the second anti-shake part 21
On the inner sidewall at end, position corresponding with another the second anti-shake part 21 is arranged in cut main shaft 1 in another the first anti-shake part 10
Set place.
One of them second anti-shake part 21 is arranged on the inner sidewall of wherein one end of drive sleeve 2, another is second anti-
On the inner sidewall for shaking the other end that drive sleeve 2 is arranged in part 21, it can make to use there are two tools between cut main shaft 1 and cutterhead 9
In the agretope for preventing swing, and two agretopes are located at the two sides of 1 splined section of cut main shaft, while being located at biography
The two sides of 2 splined sections of dynamic set.By the restriction of quantity and position to above-mentioned two agretope, the first anti-shake part can be promoted
The effect that 10 and the second anti-shake part 21 limitations are swung, the further stability for promoting cutterhead 9.
In the present embodiment, as shown in fig. 6, being located at the first anti-shake part 10 on the inner sidewall of wherein one end of drive sleeve 2
It can be annular protrusion, the second anti-shake part 21 corresponding with the first anti-shake part 10 can be annular groove.The transmission being located at
The first anti-shake part 10 on the inner sidewall of the other end of set 2 can be annular groove, corresponding with the first anti-shake part 10 the
Two anti-shake parts 21 can be annular protrusion.
Embodiment two:
Development machine provided in this embodiment includes the cutting units in embodiment one, thus development machine provided in this embodiment with
Cutting units in embodiment one is able to solve identical technical problem, reaches identical technical effect.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of cutting units, which is characterized in that the cutting units includes cut main shaft (1), drive sleeve (2), sealing element (3), delays
Stamping (4) and driving mechanism (5)；
The driving mechanism (5) is located at the side of one end of the cut main shaft (1), and the side wall with the cut main shaft (1)
Connection；
The bolster (4) and the sealing element (3) are annular, the axial direction along the cut main shaft (1), the drive sleeve
(2), bolster (4) and the sealing element (3) are successively socketed on the cut main shaft (1), and the sealing element (3) deviate from
The side of the bolster (4) is abutted with the driving mechanism (5)；
There is interval (6), and the bolster (4) and the drive sleeve between the bolster (4) and the sealing element (3)
(2) one end close to the sealing element (3) abuts, and the bolster (4) can support the drive sleeve (2).
2. cutting units according to claim 1, which is characterized in that the circumferential direction along the bolster (4), the bolster
(4) the first groove (40) of annular, peace in first groove (40) are provided on the side abutted with the drive sleeve (2)
Equipped with the first sealing ring (400), first sealing ring (400) can abut with the side wall of the first groove (40), and with institute
The side wall for stating drive sleeve (2) abuts.
3. cutting units according to claim 2, which is characterized in that the cutting units further includes with water assembly, the water distribution
Component includes the interconnecting piece (7) of annular；
The interconnecting piece (7) is socketed and is fixed on the cut main shaft (1), and the interconnecting piece (7) is located at the bolster
(4) between the sealing element (3)；The side close to the bolster (4) of the interconnecting piece (7) and the sealing element (3)
It abuts；
Axial direction along the cut main shaft (1), the bolster (4) and described with there is interval (6) between water assembly.
4. cutting units according to claim 3, which is characterized in that between the interconnecting piece (7) and the cut main shaft (1)
The barriers (8) of annular are provided with, the barriers (8) are socketed and are fixed on the cut main shaft (1), the interconnecting piece
(7) it is socketed and is fixed on the barriers (8).
5. cutting units according to claim 4, which is characterized in that close the bolster (4) of the drive sleeve (2)
The escape groove (20) of annular is provided on end face, and the escape groove (20) is arranged at the hollow position of the drive sleeve (2)；
Radial direction along the cut main shaft (1), the one side far from the cut main shaft (1) of the escape groove (20) and described slow
The radial spacing between the one side of the cut main shaft (1) of stamping (4) is greater than the separate described of the barriers (8)
Cut main shaft (1) and the bolster (4) close to the cut main shaft (1) while between radial spacing；
The end abutment of the side and the drive sleeve (2) away from the barriers (8) of the bolster (4), and for sealing
Block up the opening of the escape groove (20)；The side and the barriers (8) close to the barriers (8) of the bolster (4)
It abuts, and the bolster (4) has interval (6) between the side and the interconnecting piece (7) of the barriers (8)；
First groove (40) is arranged in the bolster (4) on the side of the barriers (8).
6. cutting units according to claim 4, which is characterized in that the circumferential direction along the bolster (4), the bolster
(4) the second groove (41) of annular, second groove are provided in the one side being socketed with the side wall of the cut main shaft (1)
(41) it is equipped in the second sealing ring (410), second sealing ring (410) can support with the side wall of second groove (41)
It connects, and is abutted with the side wall of the cut main shaft (1).
7. cutting units according to claim 1-6, which is characterized in that the cutting units further includes taper and hollow
Cutterhead (9), multiple first anti-shake parts (10) and multiple second anti-shake parts (21)；
The drive sleeve (2) is socketed in the cutterhead (9), and the outer wall of the drive sleeve (2) is fixed on the cutterhead
(9) on inner wall；One end far from the sealing element (3) of the cut main shaft (1) is fixed on the tip of the cutterhead (9)
Inner wall on；
Axial direction along the cut main shaft (1), multiple first anti-shake parts (10) are arranged at intervals on the cut main shaft (1)
On side wall；Axial direction along the drive sleeve (2), multiple second anti-shake parts (21) are arranged at intervals on the drive sleeve (2)
On inner wall；
The first anti-shake part (10) and the second anti-shake part (21) are arranged in a one-to-one correspondence, and the first anti-shake part (10) and
The second anti-shake part (21) can mutually abut in the axial direction of the cut main shaft (1).
8. cutting units according to claim 7, which is characterized in that the first anti-shake part (10) is annular groove, described
Second anti-shake part (21) is annular protrusion, and the second anti-shake part (21) is located in the first anti-shake part (10)；Alternatively, described
First anti-shake part (10) is annular protrusion, and the second anti-shake part (21) is annular groove, and the first anti-shake part (10) is located at
In the second anti-shake part (21).
9. cutting units according to claim 7, which is characterized in that the first anti-shake part (10) and the second anti-shake part
It (21) is two；
One of them described second anti-shake part (21) is arranged on the inner sidewall of wherein one end of the drive sleeve (2), wherein one
A first anti-shake part (10) setting is corresponding with second anti-shake part (21) described in one of them on the cut main shaft (1)
At position；
Another described second anti-shake part (21) is arranged on the inner sidewall of the other end of the drive sleeve (2), described in another
First anti-shake part (10) is arranged on the cut main shaft (1) at position corresponding with second anti-shake part (21) described in another.
10. a kind of development machine, which is characterized in that the development machine includes the described in any item cutting units of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845633.5A CN110439587B (en) | 2019-09-06 | 2019-09-06 | Cutting part and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845633.5A CN110439587B (en) | 2019-09-06 | 2019-09-06 | Cutting part and heading machine |
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| CN110439587A true CN110439587A (en) | 2019-11-12 |
| CN110439587B CN110439587B (en) | 2024-02-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969787A (en) * | 2021-11-04 | 2022-01-25 | 中国煤炭科工集团太原研究院有限公司 | Three-hole spline-connected cutting head and mechanism of inner-spraying longitudinal-shaft cantilever type heading machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926765A (en) * | 2012-11-20 | 2013-02-13 | 三一重型装备有限公司 | Cutting part anti-interference device and heading machine |
| JP2014237979A (en) * | 2013-06-10 | 2014-12-18 | 鈴江 秀吉 | Cave excavator |
| CN104405383A (en) * | 2014-10-09 | 2015-03-11 | 三一重型装备有限公司 | Heading machine and cutting arm |
| WO2015169160A1 (en) * | 2014-05-09 | 2015-11-12 | 刘送永 | Cutting unit for hard rock tunnelling machine |
| CN109098709A (en) * | 2018-10-29 | 2018-12-28 | 三重型装备有限公司 | Telescopic tunneling machine cutting head system and development machine |
| CN210422629U (en) * | 2019-09-06 | 2020-04-28 | 三一重型装备有限公司 | Cutting part and heading machine |
-
2019
- 2019-09-06 CN CN201910845633.5A patent/CN110439587B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926765A (en) * | 2012-11-20 | 2013-02-13 | 三一重型装备有限公司 | Cutting part anti-interference device and heading machine |
| JP2014237979A (en) * | 2013-06-10 | 2014-12-18 | 鈴江 秀吉 | Cave excavator |
| WO2015169160A1 (en) * | 2014-05-09 | 2015-11-12 | 刘送永 | Cutting unit for hard rock tunnelling machine |
| CN104405383A (en) * | 2014-10-09 | 2015-03-11 | 三一重型装备有限公司 | Heading machine and cutting arm |
| CN109098709A (en) * | 2018-10-29 | 2018-12-28 | 三重型装备有限公司 | Telescopic tunneling machine cutting head system and development machine |
| CN210422629U (en) * | 2019-09-06 | 2020-04-28 | 三一重型装备有限公司 | Cutting part and heading machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969787A (en) * | 2021-11-04 | 2022-01-25 | 中国煤炭科工集团太原研究院有限公司 | Three-hole spline-connected cutting head and mechanism of inner-spraying longitudinal-shaft cantilever type heading machine |
| CN113969787B (en) * | 2021-11-04 | 2024-03-12 | 中国煤炭科工集团太原研究院有限公司 | Three-hole spline connected internal spraying longitudinal axis cantilever type heading machine cutting head and mechanism |
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|---|---|
| CN110439587B (en) | 2024-02-13 |
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