CN2236018Y - Burst-accident-proof drilling machine integrated with digger - Google Patents

Burst-accident-proof drilling machine integrated with digger Download PDF

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Publication number
CN2236018Y
CN2236018Y CN 95242039 CN95242039U CN2236018Y CN 2236018 Y CN2236018 Y CN 2236018Y CN 95242039 CN95242039 CN 95242039 CN 95242039 U CN95242039 U CN 95242039U CN 2236018 Y CN2236018 Y CN 2236018Y
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CN
China
Prior art keywords
machine
development machine
frame
rotary body
development
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Expired - Fee Related
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CN 95242039
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Chinese (zh)
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苏文叔
廖黎
王康仁
霍春秀
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Chongqing Institute of China Coal Research Institute
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Chongqing Institute of China Coal Research Institute
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Priority to CN 95242039 priority Critical patent/CN2236018Y/en
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Abstract

The utility model belongs to a coal mine safety device, which is suitable for the drivage face of coal mine mechanization to prevent and control the accidents of coal and gas outbursts. A drilling machine is composed of a host machine and a hydraulic pressure portion, wherein, the host machine is composed of a machine frame, a rotary body, a slide plate, and a feed cylinder. The host machine which is arranged on the cutting arm of a development machine is integrative with the development machine. The cutting arm of the development machine is swung top and bottom left and right under the function of the hydraulic pressure of the pump station of the development machine. The host machine of the drilling machine is swung with the cutting arm of the development machine to adjust the hole opening position and the punching angle of the drilling machine. The drilling machine has the advantages of small volume, light weight, and convenient installation, operation, and maintenance, etc., and in addition, labor strength is mitigated, and work efficiency is increased.

Description

The integrated rigs against outburst of development machine
The utility model belongs to the safety of coal mines equipment, is applicable to coal mine machinery driving face control coal and gas burst accident.
Coal and gas are outstanding to be a kind of serious natural calamity that threatens Safety of Coal Mine Production.At present, protrusion phenomenon has taken place in the colliery of existing more than 20 countries in the whole world, has caused the attention of each country, and many countries have all carried out a large amount of research and practice, and have obtained rich experience.But since the seventies, the mining machineryization of the world advanced coal mining big country is developed rapidly, adopt the speed of mechanization driving can reach 400～600 meters/month, but the tunneling working face of outburst danger is being arranged, both made is to have taked to be proved to be effective outburst prevention measures at gun diging face, machine pick speed also only has 60～80 meters/month, is difficult to satisfy the requirement of machine pick speedy drivage.Therefore, part country, just expressly provides " not allowing to use the development machine driving in projecting coal bed " as Poland in " safety regulations in coal mine ".But after changing the big gun pick into, driving speed drops to 30～50 meters/month, and it is very nervous to cause digging to be taken over, and has had a strong impact on the development that mine is produced.
The big state of many coal minings has all carried out the outstanding Study on Technology work of a lot of machine pick face controls.Wherein with the former Soviet Union comparatively comprehensively and deeply, their test and adopted technological measure and corresponding relevant equipments such as pressure relief groove, hydraulic loose, high-pressure water jet slot as the Y ∏-12 type groover of development etc., but is not seen the report of promoting the use of.
Control coal of China and gas are given prominence to research work, through the effort in 40 years and practice, tentatively set up the measures of comprehensive outburst control technology of a cover " quaternity ", and made the outstanding accident of the slower gun diging face of driving speed obtain control to a certain degree.But at tunneling working face, because electromechanical equipment is more, development machine is bulky, the space is less relatively in the tunnel, implements equipment carrying, dismounting, the installation of outburst prevention measures and all compares difficulty, and these technical measures are to improving driving speed, reduce the outstanding danger of coal and gas, effect is little.And the outburst prevention measures and the relevant equipment of the speedy drivage of adaline pick face, China does not also have at present, and this just makes many mines outstanding at a loss what to do to mechanization driving face control coal and gas, the anxiety that has caused digging to take over.
The purpose of this utility model provides the integrated rigs against outburst of a kind of development machine, thereby satisfy the outstanding needs of control gas of coal mine machinery driving face, alleviate the threat of the outstanding accident of mechanization driving face, accelerate the driving speed of the outstanding work plane of mechanization driving control, alleviate the nervous situation that digging is taken over, ensure the personal safety of coal miner.
Structure of the present utility model, operating principle and characteristics
The integrated rigs against outburst of development machine is a full hydraulic, i.e. the rotation of rig and feeding all uses highly pressurised liquid as power source, and highly pressurised liquid is provided by the hydraulic system of development machine, need not reset pumping plant.This design has alleviated the weight of rig, and can obtain bigger power output.
Figure one is the scheme of installation of the integrated rig of development machine.The integrated rigs against outburst of development machine is made up of main frame 2 and hydraulic part 3.Main frame 2 is installed on the cutting arm 1 of development machine, the cutting arm 1 of development machine about doing under the effect of development machine pumping plant hydraulic coupling, swing, rig main frame 2 is just swing thereupon also, with the position of opening of adjusting rigs against outburst and the angle of punching; The hydraulic part 3 of rig is installed in by the development machine driver's seat, development machine rear portion, so that the operation in rig when work.
Figure two is the structural representation of the integrated rigs against outburst main frame 2 of development machine, and it is made up of frame 4, rotary body 5, slide plate 6, feed cylinder 7.Frame 4 is by two 12 #Channel-section steel weldering knot processes, and the upper end of frame 4 is the guide rails that can supply rotary body 5 and slide plate 6 to move forward and backward, and the lower end of frame 4 is drilled with the hole, in order to frame 4 is fixed on the tunneling machine cutting arm 1.Groove on the slide plate 6 is stuck on the guide rail, between the inner surface of groove card and the guide rail slide block is arranged, to reduce the wearing and tearing of slide plate 6 and guide rail.Rotary body 5 is connected on the slide plate 6 by standard bolt, and the cylinder end head of feed cylinder 7 is connected with the rear of frame 4, and piston head is connected with slide plate 6, and rotary body 5 and slide plate 6 just move forward and backward along guide pass under the effect of feed cylinder 7.
Figure three is the structural representation of the integrated rigs against outburst rotary body 5 of development machine.It mainly is made up of hydraulic fluid port 8, piston 9, sliding sleeve 10, claw 11, butterfly spring 12, pinion 13, hydraulic motor 14, gland 15, round nut 16, taper roll bearing 17,22 (2), axle sleeve 18,20 (2), gear wheel 19, hollow spindle 21, reducer 23, thrust ball bearing with flat seat 24,26 (2), chuck cylinder 25, guide cover 27, drill finish bar 28.
Hydraulic fluid port 8 is holes of processing on chuck cylinder 25, and effect is to chuck cylinder 25 oil inlet and oil returns.Piston 9 is installed in the chuck cylinder 25, promptly forms oil cylinder.Sliding sleeve 10 is enclosed within hollow spindle 21 foremost, and it is a hollow cylinder, on the circle three identical " protruding " shape skewed slots is arranged in it, and effect is that claw 11 can be put into its groove, is claw 11 radial locations.Claw 11 is wedges of a right-angled trapezium, the both sides on its inclined-plane are rectangular preiection, just pack in three " protruding " shape skewed slots of sliding sleeve 10, the bevel angle of claw 11 is identical with the angle of " protruding " shape skewed slot of sliding sleeve 10, and the effect of claw 11 is to clamp drill finish bar 28.Butterfly spring 12 is enclosed between the front portion of the shaft shoulder of hollow spindle 21 and sliding sleeve 10, and effect is to promote sliding sleeve 10, for claw 11 provides radially chucking power.Pinion 13 usefulness keys are contained on the output shaft of hydraulic motor 14, are straight spur gear, and effect is commutation and transfer torque.Hydraulic motor 14 is connected on the reducer 23 by standard bolt, is the power source of rig rotary body 5.Gland 15 is connected on the reducer 23 by standard bolt, has a groove on its inner periphery, and the standard dust ring is housed, effect be prevent dust, waterproof.Round nut 16 is contained on the screw thread at hollow spindle 21 rear portions, and effect is the fixing inner ring of taper roll bearing 17, and bears axial force.Taper roll bearing 22 and 17 is contained in respectively on the antero posterior axis bearing of reducer 23, and effect is fixation hollow main shaft 21. Sliding sleeve 18,20 is contained on the hollow spindle 21, is used for gear wheel 19 is carried out axial location.Gear wheel 19 is contained on the hollow spindle 21 by key, is straight spur gear, forms a train with pinion 13, is used for slowing down and commutation.Hollow spindle 21 total lengths are hollow, drill finish bar 28 passes therethrough, evenly have three rectangular through slot on the leading portion circumferencial direction of hollow spindle 21, the length of three grooves, wide all with the length of claw 11, wide identical, claw 11 is contained in three " protruding " shape grooves of sliding sleeve 10, and extend in three rectangular through slot of hollow spindle 21 leading portions, three rectangular through slot effects of hollow spindle 21 are claw to be stretched into clamp drill finish bar 28 in the groove, and drive claw 11 rotations, can drive drill finish bar 28 rotations that claw 11 clamps like this, there is a shaft shoulder at the middle part of hollow spindle 21, is used for the inner ring of taper roll bearing 22 is carried out axial location.Reducer 23 housings are the welding box typed structure.The collar of thrust ball bearing with flat seat 24 is contained on the sliding sleeve 10, and the circle of living is contained on the piston 9, and effect is to transmit axial force, and reduces the friction between piston 9, the sliding sleeve 10.Chuck cylinder 25 is connected with reducer 23 by bolt for forging the round casing structure.Thrust ball bearing with flat seat 26 collars are contained on the trim ring of hollow spindle 21 front ends, and the circle of living is contained on the guide cover 27.Guide cover 27 is connected on the chuck cylinder 25 by screw, and thrust ball bearing with flat seat 26 transmits axial force, and guide cover 27 carries out axial location by the trim ring of thrust ball bearing 26 and hollow spindle 21 front ends to claw 11.
When rig is installed, adjust the pre compressed magnitude of butterfly spring 12, piston 9, sliding sleeve 10 are in the chuck cylinder foremost under butterfly spring 12 tension force effects, claw 11 is positioned at its radially minimum place under sliding sleeve 10 effects, at this moment, about the diameter little 2mm of diameter of chuck than drill finish bar 28 of three claw 11 compositions.
During rig work, the rig hydraulic control system is to the chuck feed flow of rig rotary body 5, highly pressurised liquid is in hydraulic fluid port 8 enters the annular space of chuck cylinder 25, promote piston 9, sliding sleeve 10, compression disk spring 12, axially move backward along hollow spindle 21, sliding sleeve 10 drive claws 11 radially outward move simultaneously, about the diameter big 2mm of diameter of chuck than drill finish bar 28 of three claw 11 compositions, at this moment, drill finish bar 28 can penetrate in the hollow spindle 21 from rig rotary body 5 rear portions, and drill finish bar 28 front ends connect auger stem, drill bit; 8 times liquid of hydraulic fluid port, butterfly spring 12 stretches, and promotion piston 9, sliding sleeve 10 move forward, and drive claw 11 simultaneously and radially move inward, and clamp drill finish bar 28 under butterfly spring 12 tension force effects.Adjust tunneling machine cutting arm 1, promptly adjust the boring position of opening of rig main frame 2, to hydraulic motor 14 feed flows, hydraulic motor 14 rotations, driving pinion 13 drives gear wheel 19 rotations, and hollow spindle 21 drives sliding sleeve 10, claw 11,28 rotations of drill finish bar; At this moment, to feed cylinder 7 forward feed flows, normally drill.
The utility model main frame 2 in design adopts short frame and short lead rail, be beneficial to the installation of rig main frame 2 on tunneling machine cutting arm 1, do not influence the normal use of development machine, main frame 2 rotary body 5 in design adopts hollow spindle 21, about the diameter big 2mm of its hollow diameter than drill finish bar 28, drill finish bar 28 passes in hollow spindle 21, by claw 11 drill finish bar 28 is clamped, the preceding termination auger stem of drill finish bar 28, drill bit, at work, drill finish bar 28 is not squeezed in the boring, only play transfer torque and feeding, so just can make full use of the distance between rig rotary body 5 and rib, design long auger stem and corresponding drill finish bar 28, and be not subjected to the restriction of borer rail length, after rigs against outburst has been beaten a guide rail stroke, unclamp drill finish bar 28, to feed cylinder 7 reverse feed flows, return rotary body 5, clamp drill finish bar 28 again, carry out drilling of next stroke, until having beaten an auger stem length, like this, can save effectively, the service working time of following drilling rod has improved operating efficiency.
Figure four is the integrated rigs against outburst hydraulic part of a development machine structural representation.It is made up of the high-pressure rubber pipe of development machine pumping plant hydraulic pump 29,30, two position three- way valve 31,44, overflow valve 32,43, choke valve 33,41, multiple directional control valve 34,40,42, pressure meter 35,36, one- way throttle valve 37,38, hydraulic control one-way valve 39 and corresponding outfit, joint, sealing ring etc.More than on all control valve, hydraulic operation platform that pressure meter all is installed in hydraulic part 3.Be convenient to the centralized Control of rig action like this.
The highly pressurised liquid that the two pumps 29,30 of development machine pumping plant provides enters respectively in the hydraulic motor 14 and feed cylinder 7 of the integrated rigs against outburst of development machine through the commutation of two position three- way valve 31,44, two two position three- way valves 31,44 are used for the exchange between development machine oil circuit and rig oil circuit, spool is positioned at two different positions, development machine and rig wherein have only a machine works, so just can use the power of the pumping plant of development machine, and can realize the mutual locking between two oil circuits as rig.Choke valve 33 is used for the rotary speed of regulator solution pressure motor 14, two one- way throttle valves 37,38 are adjusted the back pressure that feed cylinder 7 advances, retreats, adjust feed speed with choke valve 41 actings in conjunction, like this, just can be adjusted under the different geological conditionss and the speed of drilling that adopts different development machine pumping plant flow situations, in order to avoid because feed speed is too fast, drillings has little time discharge and presss from both sides dead drilling rod; Pressure meter 35 shows the pressure of hydraulic motor 14 rotations, and pressure meter 36 shows the pressure of feed cylinder 7 and oild chuck, and back pressure is shown by the pressure meter on the development machine.Multiple directional control valve 40,42 is formed a connection in series-parallel multiple directional control valve group, and with the 34 reversal valve groups in parallel that form a whole, overflow valve 32,43 and multiple directional control valve group one, multiple directional control valve 34 is used to control the rotating of hydraulic motor 14,42 feedings that are used to control feed cylinder 7, retreat, the clamping of multiple directional control valve 40 and hydraulic control one-way valve 39 actings in conjunction control chuck, unclamp; When the multi-way reversing valve core was positioned at meta, the rig host machine part of its control was not worked, and the pressure of rig hydraulic part is adjusted by overflow valve 32,43.
In the design, adopt two hydraulic pump feed flows of development machine, interacting when having avoided the work of integrated drill motor of development machine and oil cylinder makes operation more simple.
The integrated rigs against outburst drilling rod of development machine uses auger stem, adopts the hexagon joint to connect, fillet of tool joint pins is outer hexagon, female joint is interior hexagon, joint is welded on the drilling rod body, male joint external surface, female joint inner surface have corresponding groove, insert interior connection of groove of joint between the drilling rod with spring U-shaped card; This method of attachment of drilling rod, the connection speed of drilling rod in the time of can improving work.
Advantage of the present utility model
1. the integrated rigs against outburst volume of development machine is little, in light weight, installation, operation, easy to maintenance, be installed on the development machine, integrated with development machine, to the performance and the not influence of use of development machine, needn't dismantle and carry during use, save the working time, alleviated labour intensity, improved operating efficiency.
2. the integrated rigs against outburst tool of development machine uses at the mechanization driving face, can satisfy the requirement of the pattern of degassing hole under the different geological conditionss, the rig drilling ability is big, the outstanding effect of control coal and gas is obvious, the average comprehensive month progress of driving reaches 151 meters/month, be to use about 1.93 times under preceding the same terms, progress reached 203 meters/month in the highest month.
3. the integrated rigs against outburst of development machine is mainly used in coal mine machinery driving face control coal and gas burst accident, also can be used for moor mine machinery driving face and play leading bleeder off hole firedamp drainage, reduce the gas density in tunnel, improve the safety of driving speed and driving.
4. the main and supporting use of all-hydraulic development machine of the integrated rigs against outburst of development machine also can be used on the development machine and other colliery mining machinery of other model.

Claims (2)

1. the utility model is the integrated rigs against outburst of a kind of development machine, it is characterized in that rigs against outburst is made up of main frame and hydraulic part, main frame is by frame, rotary body, slide plate, feed cylinder is formed, the upper end of frame is a guide rail, the frame lower end is drilled with the hole, frame is fixed on the tunneling machine cutting arm, and rotary body is by hydraulic fluid port, piston, sliding sleeve, claw, butterfly spring, pinion, hydraulic motor, gland, round nut, taper roll bearing (2), axle sleeve (2), gear wheel, hollow spindle, reducer, thrust ball bearing with flat seat (2), the chuck cylinder, guide cover, compositions such as drill finish bar.
2. according to the integrated rigs against outburst of the described a kind of development machine of claim 1, it is hollow to it is characterized in that rotary body hollow spindle total length is, and the drill finish bar passes therethrough.
CN 95242039 1995-08-18 1995-08-18 Burst-accident-proof drilling machine integrated with digger Expired - Fee Related CN2236018Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95242039 CN2236018Y (en) 1995-08-18 1995-08-18 Burst-accident-proof drilling machine integrated with digger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95242039 CN2236018Y (en) 1995-08-18 1995-08-18 Burst-accident-proof drilling machine integrated with digger

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Publication Number Publication Date
CN2236018Y true CN2236018Y (en) 1996-09-25

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CN 95242039 Expired - Fee Related CN2236018Y (en) 1995-08-18 1995-08-18 Burst-accident-proof drilling machine integrated with digger

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100491688C (en) * 2006-09-29 2009-05-27 重庆科技学院 Chuck and water swivel integrated apparatus for full hydraulic driller for pumping, draining and discharging gas
CN101806792A (en) * 2010-04-15 2010-08-18 中国科学院力学研究所 Coal and gas outburst simulation test device and protection device thereof
CN102121382A (en) * 2010-12-06 2011-07-13 李仕清 Composite rotary cutting mining machine
CN102226395A (en) * 2011-05-27 2011-10-26 三一重型装备有限公司 Tunneling and drilling all-in-one machine
CN102226394A (en) * 2011-05-04 2011-10-26 王红星 Digging and exploring integrated machine
CN102230378A (en) * 2011-05-27 2011-11-02 三一重型装备有限公司 Digging and drilling integrated machine
CN101737006B (en) * 2009-11-25 2012-06-27 煤炭科学研究总院太原研究院 Dry wet-type drill box of anchor rod drill carriage
CN101881162B (en) * 2009-05-06 2012-10-03 三一重型装备有限公司 Drill loader
CN103643953A (en) * 2013-12-05 2014-03-19 江西华煤重装有限公司 Deep drilling heading machine
CN105064994A (en) * 2015-07-23 2015-11-18 河南理工大学 Onboard continuous grooving pressure relief coal mining equipment and onboard continuous grooving pressure relief coal mining method
CN105370294A (en) * 2015-12-01 2016-03-02 中国矿业大学 Drilling type boring machine
CN114151078A (en) * 2021-12-02 2022-03-08 中国铁建重工集团股份有限公司 Water jet waste rock layer cut device
CN114645711A (en) * 2022-04-20 2022-06-21 中国矿业大学 Drilling-pressing-digging integrated hard rock tunneling equipment

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100491688C (en) * 2006-09-29 2009-05-27 重庆科技学院 Chuck and water swivel integrated apparatus for full hydraulic driller for pumping, draining and discharging gas
CN101881162B (en) * 2009-05-06 2012-10-03 三一重型装备有限公司 Drill loader
CN101737006B (en) * 2009-11-25 2012-06-27 煤炭科学研究总院太原研究院 Dry wet-type drill box of anchor rod drill carriage
CN101806792A (en) * 2010-04-15 2010-08-18 中国科学院力学研究所 Coal and gas outburst simulation test device and protection device thereof
CN101806792B (en) * 2010-04-15 2013-06-05 中国科学院力学研究所 Coal and gas outburst simulation test device and protection device thereof
CN102121382A (en) * 2010-12-06 2011-07-13 李仕清 Composite rotary cutting mining machine
CN102121382B (en) * 2010-12-06 2013-11-06 李仕清 Composite rotary cutting mining machine
CN102226394A (en) * 2011-05-04 2011-10-26 王红星 Digging and exploring integrated machine
CN102230378B (en) * 2011-05-27 2013-05-08 三一重型装备有限公司 Digging and drilling integrated machine
CN102230378A (en) * 2011-05-27 2011-11-02 三一重型装备有限公司 Digging and drilling integrated machine
CN102226395A (en) * 2011-05-27 2011-10-26 三一重型装备有限公司 Tunneling and drilling all-in-one machine
CN103643953A (en) * 2013-12-05 2014-03-19 江西华煤重装有限公司 Deep drilling heading machine
CN105064994A (en) * 2015-07-23 2015-11-18 河南理工大学 Onboard continuous grooving pressure relief coal mining equipment and onboard continuous grooving pressure relief coal mining method
CN105370294A (en) * 2015-12-01 2016-03-02 中国矿业大学 Drilling type boring machine
CN114151078A (en) * 2021-12-02 2022-03-08 中国铁建重工集团股份有限公司 Water jet waste rock layer cut device
CN114151078B (en) * 2021-12-02 2024-04-19 中国铁建重工集团股份有限公司 Water jet gangue layer slitting device
CN114645711A (en) * 2022-04-20 2022-06-21 中国矿业大学 Drilling-pressing-digging integrated hard rock tunneling equipment

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