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CN106223841A - A kind of centering type rock drill - Google Patents

A kind of centering type rock drill Download PDF

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Publication number
CN106223841A
CN106223841A CN201610620501.9A CN201610620501A CN106223841A CN 106223841 A CN106223841 A CN 106223841A CN 201610620501 A CN201610620501 A CN 201610620501A CN 106223841 A CN106223841 A CN 106223841A
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CN
China
Prior art keywords
additionally provided
piston
motor
framework
rock drill
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CN201610620501.9A
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Chinese (zh)
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CN106223841B (en
Inventor
宋桂霞
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Individual
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Priority to CN201610620501.9A priority Critical patent/CN106223841B/en
Publication of CN106223841A publication Critical patent/CN106223841A/en
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Publication of CN106223841B publication Critical patent/CN106223841B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/16Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of centering type rock drill, including framework, the first motor, rotary flexible shaft, rotary shaft, eccentric block, impact piston, end cap, bit shank, this centering type rock drill, structure is ingenious, powerful, simple to operate, cheap, easy to maintenance, by using this device, a series of difficult problems such as solve that traditional hydraulic gate processing and manufacturing difficulty is high, high pressure seal result is poor thoroughly, cannot to realize the efficiency of stepless frequency modulation and linear impact merit low, greatly improve the service efficiency of this device and the work efficiency of user.

Description

A kind of centering type rock drill
Technical field
The present invention relates to a kind of rock drill, particularly relate to a kind of centering type rock drill.
Background technology
Hydraulic gate is the principle utilizing high pressure liquid force feed to do manual work, and forces impact piston to be made in cylinder body the most reciprocal , therefore there are material, heat treatment, machining accuracy etc. and require higher, cause current hydraulic gate and be manufactured in motion This height, working service cost is high, and the processing and manufacturing difficulty of hydraulic gate is high, high pressure seal result is poor, it is stepless to realize The difficult problems such as the efficiency of frequency modulation and linear impact merit is low, in view of disadvantages described above, are necessary to design a kind of centering type rock drill in fact.
Summary of the invention
The technical problem to be solved is: provides a kind of centering type rock drill, solves the most traditional liquid Pressure rock drill, structure is complicated, operation inconvenience, expensive, the problem that service efficiency is low.
For solving above-mentioned technical problem, the technical scheme is that and include framework, the first motor, rotary flexible shaft, rotation Axle, eccentric block, impact piston, end cap and bit shank, the first described motor is positioned at frame right, the first described motor and framework Being fixedly linked, the two ends of described rotary flexible shaft are connected with the first motor and transmission of rotary axis respectively, and transmission connects this rotary shaft and passes through It is through at impact piston, and the rotary shaft end being positioned at impact piston both sides is fixedly connected with eccentric block;Described end cap is positioned at frame Frame lower end, described end cap is connected with framework screw thread, and described bit shank is positioned at lower portion lower end, and described bit shank is sliding with framework Dynamic connected.
Being additionally provided with control valve on the right side of the 3rd described accumulator, described control valve is connected with the 3rd accumulator pipeline.
The first hydraulic valve, the first described hydraulic valve and the second motor line phase it is additionally provided with bottom the second described motor Even;Described anti-piston base of beating is additionally provided with the second hydraulic valve, and the second described hydraulic valve is beaten piston pipeline be connected with anti-;Described The first motor bottom be additionally provided with the 3rd hydraulic valve and the 4th hydraulic valve, the 3rd described hydraulic valve and the 4th hydraulic valve are all with One motor line is connected.
It is additionally provided with flow speed control valve, described flow speed control valve and the first motor line bottom the first described motor to be connected.Described Frame left upper end is additionally provided with hydraulic control one-way valve, and described hydraulic control one-way valve is connected with framework screw thread.
Described impact piston top is additionally provided with regulation rubber, and described regulation rubber is movably connected with impact piston;Institute The regulation rubber top stated is additionally provided with regulating piston, and described regulating piston is movably connected with regulation rubber;Described regulation is lived Being additionally provided with the 5th hydraulic valve on the left of plug, the 5th described hydraulic valve is connected with regulating piston pipeline.
Described frame right upper end is additionally provided with the first accumulator, and the first described accumulator is connected with framework screw thread.
Described framework outer wall lower end is additionally provided with link, and described link is connected with framework screw thread;Described connection Being additionally provided with the second motor on the left of top of the trellis, the second described motor is connected with link screw thread;Bottom the second described motor also It is provided with the first gear, the first described gear and the second motor close-fitting to be connected.
Described lower portion lower end is additionally provided with the second gear, and the second described gear is connected with frame member, and described The second gear and the first gear tooth engagement be connected;The second described gear inwall is additionally provided with spline, described spline and Two gear tooth engagements are connected.
Described lower portion middle-end is additionally provided with damper piston, and described damper piston slides with framework and is connected;Framework is right Side middle-end is additionally provided with the second accumulator, and the second described accumulator is connected with framework screw thread;Described lower portion lower end also sets Having and instead beat piston, described anti-piston of beating is connected with framework slip;Described frame right lower end is additionally provided with the 3rd accumulator, institute The 3rd accumulator stated is connected with framework screw thread.
Compared with prior art, this centering type rock drill, during use, open the first motor, the first motor first by person Drive rotary flexible shaft and rotary shaft to rotate, drive eccentric block to do high speed rotary motion, under the effect of eccentric block centrifugal force, drive The state that impact piston pumps, impacts bit shank by the up and down motion of impact piston, transmits ballistic work, synchronizes, makes User can open the second motor with hands, and the second motor drives the first gear to rotate, and takes turns at the first gear and the second gear Under the effect of tooth engagement so that the second gear driven spline rotates together with bit shank, i.e. bit shank is together with spline and along the The inwall of two gears does rotation limit, limit and moves up and down, and synchronizes, and according to actually used situation, user can use the first accumulator The position of control and regulation piston so that regulating piston drives regulation rubber to move up and down, and regulates rushing of impact piston with this Hit stroke, meanwhile, during bit shank works, provide compensator or trimmer pressure by the second accumulator to damper piston so that buffering Piston provides downward plus-pressure and buffering bit shank anti-exciting force upwards and the 3rd accumulator for moving of instead beating that piston provides Power so that instead beat when piston provides promotion power upwards and bit freezing occurs and provide impact instead to beat, by with upper type, finally make Bit shank is carried out axially location by damper piston and anti-piston of beating, it is ensured that stability during bit shank work, this centering type rock drilling Machine, structure is ingenious, powerful, simple to operate, cheap, easy to maintenance, by using this device, solves biography thoroughly The hydraulic gate processing and manufacturing difficulty of system is high, high pressure seal result is poor, cannot realize stepless frequency modulation and linear impact merit A series of difficult problems such as efficiency is low, greatly improve the service efficiency of this device and the work efficiency of user, control meanwhile Valve is to control the first accumulator, the second accumulator and the stability of the 3rd accumulator internal gas pressure, the first hydraulic valve be for Controlling the turning power of the second motor, the second hydraulic valve is to control the anti-impulsive force beating piston, the 3rd hydraulic valve be in order to Controlling the impulsive force of the first motor, the 4th hydraulic valve is that sky beats phenomenon in order to prevent impact piston from occurring, flow speed control valve is to adjust Saving the rotating speed of the first motor, the 5th hydraulic valve and hydraulic control one-way valve are the positions in order to control to adjust piston.
Accompanying drawing explanation
Fig. 1 is off the local front sectional view of formula rock drill;
Fig. 2 is the connection sectional view of the second gear, spline and bit shank;
Fig. 3 is regulating piston, impact piston and the enlarged partial sectional view of regulation rubber;
Fig. 4 is off the hydraulic circuit front view of formula rock drill;
Fig. 5 is off the inside partial sectional view of formula rock drill.
Framework the 1, first motor 2, rotary shaft 3, eccentric block 4, impact piston 5, rotary flexible shaft 6, regulation rubber 7, regulation are lived Plug the 8, first accumulator 9, link the 10, second motor the 11, first gear the 12, second gear 13, spline 14, end cap 20, bit shank 15, damper piston the 16, second accumulator 17, instead beat piston 18, the 3rd accumulator 19, control valve the 101, first hydraulic valve 102, the Two hydraulic valves 103, hydraulic control one-way valve the 104, the 3rd hydraulic valve 201, flow speed control valve the 202, the 4th hydraulic valve the 501, the 5th hydraulic valve 801
Following detailed description of the invention will further illustrate in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Hereinafter, multiple specific detail is elaborated, in order to provide constituting the saturating of the basic concept of described embodiment Thorough understanding.But, it will be apparent to those skilled in the art that described embodiment can not have these specific detail In some or all in the case of put into practice.In other cases, well-known process step is not specifically described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of centering type rock drill, including framework the 1, first motor 2, rotate soft Axle 6, rotary shaft 3, eccentric block 4, impact piston 5, end cap 20, bit shank 15, the first described motor 2 is positioned on the right side of framework 1, described The first motor 2 be connected with framework 1 screw thread, described rotary flexible shaft 6 is positioned on the left of the first motor 2, described rotary flexible shaft 6 with First motor 2 close-fitting is connected, and described rotary shaft 3 is positioned on the left of rotary flexible shaft 6, described rotary shaft 3 and rotary flexible shaft 6 close-fitting Being connected, described eccentric block 4 quantity is some, and rotary shaft 3 runs through impact piston 5, and rotary shaft 3 is positioned at outside impact piston 5 The eccentric block 4 that is respectively fixedly connected with of two ends, described rotary shaft 3 is through impact piston 5 can be in the drive of rotary flexible shaft 6 Lower rotation, described end cap 20 is positioned at framework 1 lower end, and described end cap 20 is connected with framework 1 screw thread, and described bit shank 15 is positioned at Framework 1 interior lower end, described bit shank 15 is connected with framework slip 1, is additionally provided with control valve on the right side of the 3rd described accumulator 19 101, described control valve 101 is connected with the 3rd accumulator 19 pipeline, is additionally provided with the first hydraulic pressure bottom the second described motor 11 Valve 102, the first described hydraulic valve 102 is connected with the second motor 11 pipeline, and described anti-beating is additionally provided with second bottom piston 18 Hydraulic valve 103, the second described hydraulic valve 103 with instead beat piston 18 pipeline and be connected, be additionally provided with the bottom the first described motor 2 Three hydraulic valves 201, the 3rd described hydraulic valve 201 is connected with the first motor 2 pipeline, is additionally provided with bottom the first described motor 2 4th hydraulic valve 501, the 4th described hydraulic valve 501 is connected with the first motor 2 pipeline, also sets bottom the first described motor 2 Flow speed control valve 202, described flow speed control valve 202 is had to be connected with the first motor 2 pipeline, on the left of described regulating piston 8, be additionally provided with the 5th Hydraulic valve 801, the 5th described hydraulic valve 801 is connected with regulating piston 8 pipeline, and on the left of described framework 1, upper end is additionally provided with liquid Control check valve 104, described hydraulic control one-way valve 104 is connected with framework 1 screw thread, and described impact piston 5 top is additionally provided with regulation Rubber 7, described regulation rubber 7 is movably connected with impact piston 5, and described regulation rubber 7 top is additionally provided with regulating piston 8, Described regulating piston 8 is movably connected with regulation rubber 7, and on the right side of described framework 1, upper end is additionally provided with the first accumulator 9, described The first accumulator 9 be connected with framework 1 screw thread, described framework 1 outer wall lower end is additionally provided with link 10, described link 10 Being connected with framework 1 screw thread, described link 10 top left side is additionally provided with the second motor 11, the second described motor 11 be connected Frame 10 screw thread is connected, and is additionally provided with the first gear 12, the first described gear 12 and the second motor bottom the second described motor 11 11 close-fittings are connected, and described framework 1 interior lower end is additionally provided with the second gear 13, and the second described gear 13 rotates phase with framework 1 Even, and the second described gear 13 is connected with the first gear 12 gear teeth meshing, and the second described gear 13 inwall is additionally provided with spline 14, described spline 14 is connected with the second gear 13 gear teeth meshing, and the internal middle-end of described framework 1 is additionally provided with damper piston 16, Described damper piston 16 slides with framework 1 and is connected, and on the right side of described framework 1, middle-end is additionally provided with the second accumulator 17, described Second accumulator 17 is connected with framework 1 screw thread, and described framework 1 interior lower end is additionally provided with instead beats piston 18, and described anti-beating is lived Plug 18 slides with framework 1 and is connected, and on the right side of described framework 1, lower end is additionally provided with the 3rd accumulator 19, the 3rd described accumulator 19 It is connected with framework 1 screw thread.
This centering type rock drill, during use, opens the first motor 2 first by person, and the first motor 2 drives rotary flexible shaft 6 And rotary shaft 3 rotates, drive eccentric block 4 to do high speed rotary motion, under the effect of eccentric block 4 centrifugal force, drive impact piston 5 The state pumped, impacts bit shank 15 by the up and down motion of impact piston 5, transmits ballistic work, synchronizes, and user can Opening the second motor 11 with hands, the second motor 11 drives the first gear 12 to rotate, at the first gear 12 and the second gear Under the effect of 13 gear teeth meshing so that the second gear 13 drives spline 14 to rotate together with bit shank 15, i.e. bit shank 15 together with Spline 14 inwall along the second gear 13 do rotation limit, limit and move up and down, and synchronize, and according to actually used situation, user can Use the first accumulator 9 to control to adjust the position of piston 8 so that regulating piston 8 drives regulation rubber 7 to move up and down, with This regulates the impact stroke of impact piston 5, meanwhile, during bit shank 15 works, by the second accumulator 17 to buffering The compensator or trimmer pressure that piston 16 provides so that damper piston 16 provides downward plus-pressure and buffering bit shank 15 anti-exciting force upwards And the 3rd accumulator 19 be instead to beat the power that piston 18 provides so that anti-beat piston 18 and promotion power upwards be provided and block There is provided impact instead to beat during brill, by with upper type, finally make damper piston 16 and instead beating piston 18 carries out axle to bit shank 15 To location, it is ensured that stability during bit shank work, meanwhile, control valve 101 is to control first accumulator the 9, second accumulation of energy Device 17 and the stability of the 3rd accumulator 19 internal gas pressure, the first hydraulic valve 102 is the turning power in order to control the second motor 11, Second hydraulic valve 103 is to control the anti-impulsive force beating piston 18, the 3rd hydraulic valve 201 and the 4th hydraulic valve 501 be in order to Controlling the impulsive force of the first motor 2, sky beats phenomenon to prevent impact piston 5 from occurring, flow speed control valve 202 is to regulate the first motor 2 Rotating speed, the 5th hydraulic valve 801 and hydraulic control one-way valve 104 are the positions in order to control to adjust piston 8.
The present invention is not limited to above-mentioned specific embodiment, those of ordinary skill in the art from above-mentioned design, Without performing creative labour, all conversion made, within all falling within protection scope of the present invention.

Claims (10)

1. a centering type rock drill, it is characterised in that include framework, the first motor, rotary flexible shaft, rotary shaft, eccentric block, punching Hitting piston, end cap and bit shank, the first described motor is positioned at frame right, and the first described motor is fixedly linked with framework, institute The two ends of the rotary flexible shaft stated are connected with the first motor and transmission of rotary axis respectively, and transmission connects this rotary shaft and lives through impact Fill in, and the rotary shaft end being positioned at impact piston both sides is fixedly connected with eccentric block;Described end cap is positioned at framework lower end, described End cap be connected with framework screw thread, described bit shank is positioned at lower portion lower end, and described bit shank slides with framework and is connected.
2. a kind of centering type rock drill as claimed in claim 1, it is characterised in that be additionally provided with on the right side of the 3rd described accumulator Control valve, described control valve is connected with the 3rd accumulator pipeline.
3. centering type rock drill as claimed in claim 2 a kind of, it is characterised in that be additionally provided with the bottom the second described motor One hydraulic valve, the first described hydraulic valve and the second motor line are connected;
Described anti-piston base of beating is additionally provided with the second hydraulic valve, and the second described hydraulic valve is beaten piston pipeline be connected with anti-;
The 3rd hydraulic valve and the 4th hydraulic valve, the 3rd described hydraulic valve and the 4th hydraulic pressure it is additionally provided with bottom the first described motor Valve is all connected with the first motor line.
4. a kind of centering type rock drill as claimed in claim 3, it is characterised in that be additionally provided with tune bottom the first described motor Speed valve, described flow speed control valve and the first motor line are connected.
5. a kind of centering type rock drill as claimed in claim 4, it is characterised in that described frame left upper end is additionally provided with liquid Control check valve, described hydraulic control one-way valve is connected with framework screw thread.
6. a kind of centering type rock drill as claimed in claim 5, it is characterised in that described impact piston top is additionally provided with tune Joint rubber, described regulation rubber is movably connected with impact piston;Described regulation rubber top is additionally provided with regulating piston, described Regulating piston with regulation rubber be movably connected;
Being additionally provided with the 5th hydraulic valve on the left of described regulating piston, the 5th described hydraulic valve is connected with regulating piston pipeline.
7. centering type rock drill as claimed in claim 6 a kind of, it is characterised in that described frame right upper end is additionally provided with the One accumulator, the first described accumulator is connected with framework screw thread.
8. a kind of centering type rock drill as claimed in claim 7, it is characterised in that described framework outer wall lower end is additionally provided with even Connecing frame, described link is connected with framework screw thread;
Described link top left side is additionally provided with the second motor, and the second described motor is connected with link screw thread;
It is additionally provided with the first gear, the first described gear and the second motor close-fitting bottom the second described motor to be connected.
9. centering type rock drill as claimed in claim 8 a kind of, it is characterised in that described lower portion lower end is additionally provided with the Two gears, the second described gear is connected with frame member, and the second described gear and the engagement of the first gear tooth are connected;
The second described gear inwall is additionally provided with spline, described spline and the engagement of the second gear tooth and is connected.
10. a kind of centering type rock drill as claimed in claim 9, it is characterised in that described lower portion middle-end is additionally provided with slow Rushing piston, described damper piston slides with framework and is connected;
Frame right middle-end is additionally provided with the second accumulator, and the second described accumulator is connected with framework screw thread;
Described lower portion lower end is additionally provided with instead beats piston, and described anti-piston of beating is connected with framework slip;
Described frame right lower end is additionally provided with the 3rd accumulator, and the 3rd described accumulator is connected with framework screw thread.
CN201610620501.9A 2016-08-01 2016-08-01 A kind of centering type rock drill Expired - Fee Related CN106223841B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610620501.9A CN106223841B (en) 2016-08-01 2016-08-01 A kind of centering type rock drill

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Application Number Priority Date Filing Date Title
CN201610620501.9A CN106223841B (en) 2016-08-01 2016-08-01 A kind of centering type rock drill

Publications (2)

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CN106223841A true CN106223841A (en) 2016-12-14
CN106223841B CN106223841B (en) 2018-09-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628320A1 (en) * 1975-06-24 1977-01-13 Yamada Juki Kk IMPACT DEVICE
CN2057697U (en) * 1989-11-10 1990-05-30 煤炭科学研究总院南京研究所 Mine isolation-exploding electric rock drill
CN2291267Y (en) * 1997-03-20 1998-09-16 煤炭科学研究总院南京研究所 High-efficiency percussion arrangement of eccectric slide electric drill
CN102121350A (en) * 2010-12-20 2011-07-13 唐忠盛 Impulse type hydraulic rock drill
CN102213074A (en) * 2011-05-16 2011-10-12 唐忠盛 Rotary impact type rock drilling machine and double-layer drilling rod mechanism
CN104033102A (en) * 2014-05-29 2014-09-10 广西恒日科技有限公司 Impact-type hydraulic rock drill

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628320A1 (en) * 1975-06-24 1977-01-13 Yamada Juki Kk IMPACT DEVICE
CN2057697U (en) * 1989-11-10 1990-05-30 煤炭科学研究总院南京研究所 Mine isolation-exploding electric rock drill
CN2291267Y (en) * 1997-03-20 1998-09-16 煤炭科学研究总院南京研究所 High-efficiency percussion arrangement of eccectric slide electric drill
CN102121350A (en) * 2010-12-20 2011-07-13 唐忠盛 Impulse type hydraulic rock drill
CN102213074A (en) * 2011-05-16 2011-10-12 唐忠盛 Rotary impact type rock drilling machine and double-layer drilling rod mechanism
CN104033102A (en) * 2014-05-29 2014-09-10 广西恒日科技有限公司 Impact-type hydraulic rock drill

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