CN103603596A - Lifting-rotation-platform crawler drill for coal mine - Google Patents
Lifting-rotation-platform crawler drill for coal mine Download PDFInfo
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Abstract
The invention discloses a lifting-rotation-platform crawler drill for a coal mine. The drill is composed of a hydraulic crawler chassis 1, a crawler body lifting rotation platform 2, a hydraulic pump station 3, an operation table 4, a hydraulic sliding table rack 5, a power head 6, a hydraulic chuck 7, a clamper 8, four groups of stable angle adjusting oil cylinders 9 and two horizontal support oil cylinders 10. The crawler body lifting rotation platform is mounted on the hydraulic crawler chassis through a platform lifting rotation mechanism, and the hydraulic pump station, the operation table and the hydraulic sliding table rack are mounted on the crawler body lifting rotation platform. The clamper is arranged in the front of the hydraulic sliding table rack, the power head is mounted on a pull plate platform, and the hydraulic chuck is arranged in front of a power head spindle. The drill has the advantages that in underground roadways, the drill pitching angle, azimuth angle and horizontal hole opening height adjusting ranges can be adjusted effectively by lifting and rotation on the spot through the platform without operating the crawler to travel and turn, the full-fracture-surface operation is facilitated, the construction efficiency is high, the process adaptability is high, the operation is flexible, and the drill is safe and reliable.
Description
Technical field
The present invention relates to lifting rotation platform caterpillar drilling machine for a kind of colliery, belong to probing Security Engineered Machinery field, colliery.
Background technology
At present, the big-and-middle-sized colliery of China, is all placed in the first place of safety in production by safety first engineerings such as down-hole gas sucking releasing, spy discharge water.Particularly highly gassy mine, must implement gas and first take out the safety production rules of adopting afterwards.Therefore, for the demand of the caterpillar drilling machine of mash gas pumping drilling, increase sharply, become the essential equipment of Safety of Coal Mine Production.The part but existing caterpillar drilling machine also comes with some shortcomings.Some caterpillar drilling machine car body platforms are fixedly connected with creeper truck chassis, can not rotate; Though what have is provided with rotating mechanism, can not lifting.Rig, in construction, regulates the scope of pitch angle, azimuth and the horizontal bore height of rig to be restricted, the full section operation of inconvenience, and efficiency of construction is low, and Technological adaptability is poor.Most of borer frame poor rigidity, guidance quality is bad, propelling cylinder unbalance stress.Power head motor is asynchronous with transmission main shaft rotation brake, and inconvenient operation is braked dumb; Oild chuck adopts rubber tube flexible member clamping and release claw, and chucking power is not enough, and application life is short; Clamper is folded spring, clamping cylinder horizontally set, promotes slips clamp from two sides, poor with spindle chuck axiality, and the easy eccentric wear of drilling rod damages; Pumping plant fuel tank is made of general steel plate, and perishable contaminated liquid force feed breaks down; Drilling machine platform is without horizontal support, and dip angle of hole is spent many defects such as easy unstability when large.
Summary of the invention
For overcoming defect of the prior art, the object of the invention is, a kind of car body platform lifting rotation is on the spot provided, be convenient to full face operation, efficiency of construction is high, and Technological adaptability is strong, power head motor, the braking of transmission main shaft synchronous rotary, chuck, clamper axiality are good, and chucking power is large, the caterpillar drilling machine of long service life.
For achieving the above object, the present invention adopts following technical proposals:
A lifting rotation platform caterpillar drilling machine for colliery, is comprised of hydraulic track chassis 1, car body lifting rotation platform 2, hydraulic power unit 3, console 4, hydraulic pressure sliding frame 5, unit head 6, oild chuck 7, clamper 8, four groups of firm angle modulation oil cylinders 9 and two horizontal support oil cylinders 10 etc.Described car body lifting rotation platform 2 is arranged on hydraulic track chassis 1; On car body lifting rotation platform 2, hydraulic power unit 3, console 4, hydraulic pressure moving platform frame 5 and four groups of firm angle modulation oil cylinders 9, two horizontal support oil cylinders 10 are installed; Unit head 6 and clamper 8 are housed in hydraulic pressure moving platform frame 5, on described unit head 6, oild chuck 7 are housed.
The below of described car body lifting rotation platform 2, is provided with lifting rotation mechanism, and described lifting rotation mechanism is connected the outer cylinder 13 of pin-and-hole by inner cylinder tube 11, hoist cylinder 12 and the band of tape guide groove; And the gyrator upper flange 14, gyrator 15, gyrator lower flange 16, turning positioning apparatus 17, the guiding connecting key 18 that are contained on outer cylinder 13 form
Described hydraulic power unit 3, by the fire-proof motor 20 and the duplex pump 22 being connected with motor coupler 21 that are arranged on motor cabinet 19, and the fuel tank 25 being connected with duplex pump fuel sucking pipe 23, oil return cooler 24 forms.Described duplex pump 22 is load sensitive pump and constant voltage plunger displacement pump; Described fuel tank 25 use corrosion resistant plates are made.
Described console 4 is equipped with integrated valve block 26 on console, instrument board 27; On integrated valve block 26, the Hydraulic Elements such as five hand-operated direction valves 28 and stack overflow valve 29, stack one way valve 30, choke valve 31 are housed, five pressure meters 32 are housed on instrument board 27, tetrad guide banked direction control valves 33 is housed under main behaviour's platform; Be equipped with ten and directly control banked direction control valves 34: console 4 is connected with pumping plant 3 and rig executive component by high-pressure rubber pipe 35, realizes the centralized Control of rig various functions.
Described hydraulic pressure moving platform frame 5, on the slide unit frame lathe bed 36 of adjustable cast iron planes processing, is equipped with planker platform 37, and its parallelism to slide unit frame lathe bed 36 is 0.10mm; The propelling cylinder 38 being connected with planker platform is also housed, frame lathe bed shaft seating 39, frame angle modulation oil cylinder 40, frame angle modulation guide pillar 41 and clamper 7 are housed; Unit head 6 is contained on planker platform 37, and parallelism, the straightness accuracy of slide unit frame lathe bed 36 are to 0.10mm, with the axiality of clamper 7 be 0.20mm.
Described unit head 6, is comprised of the variable displacement motor 43, check mechanism 44, oil distributor 45, the oild chuck 7 that are contained on reductor 42; Described reductor 42 is by star-like reducer 46 and be arranged on pinion on star-like reducer 47 and be arranged on the double reduction machine that the gear wheel 48 on reductor main shaft forms, by the flow of adjustment variable displacement motor 43, realizes the stepless time adjustment of unit head 6; In the described check mechanism 44 being connected with reductor 42, by being housed, ten groups of friction plates 49, piston 50 and holddown spring 51 and splined shaft 52 form.
Described oild chuck 7, in chuck cylinder body 53 1 sides, is equipped with the cylinder end caps 54 with connecting hole and liquid injection hole, in cylinder end caps 54 He in chuck cylinder body 53, annular piston 55 is housed; At chuck cylinder body 53 opposite sides, inner cone end cap 56 with anti-rotation keyhole and spring lead hole is housed, inner cone end cap 56 is equipped with rollback spring guide pillar 59 and rollback spring 58, the outer cone claw die holder 57 and three antirotation keys 60 that are cut to 3 half are also housed, chuck 7 is arranged on unit head reductor main shaft, for holding drill pipe.
Described clamper 8, in a side of clamper cylinder body 61, is equipped with the cylinder end caps 62 with connecting hole and liquid injection hole, and two-way annular piston 63 and propelling spring 64 are housed in cylinder end caps 62; At the opposite side of clamper oil cylinder, the inner cone end cap 65 with connecting hole and anti-rotation keyhole is housed, the outer cone claw die holder 66 that is divided into 4 half is housed 65 li of inner cone end caps, with claw die holder spring 67, interconnect, four antirotation keys 68 are also housed outside inner cone end cap 65.Clamper is contained on slide unit frame lathe bed, for holding drill pipe and the guiding of drilling rod while creeping into.
The present invention has the following advantages compared with the prior art;
1, in the situation that inoperation creeper truck walking is turned, by car body platform lifting rotation on the spot, can effectively increase the adjustable range of rig pitch angle, azimuth and horizontal bore height, be convenient to carry out full section operation, efficiency of construction is high, and Technological adaptability is strong.
2, set up horizontal support oil cylinder, realized vertical-horizontal dimensional support, rig in construction steadiness and security performance good.
3, hydraulic pressure moving platform frame has adopted the design mounting technology of machine tool hydraulic slide unit, and steering capability is good, and borehole accuracy is high, and power head motor and gearbox synchronous gear rotation brake are easy to operate, and braking is flexible,
4, oild chuck, holder structure compactness, claw axial stretching clamps, and chucking power is large, goes slick, and axiality is good, long service life.
5, pumping plant is selected load sensitive pump, can effectively prevent the generation of pipe sticking according to creeping into load automatic pressure regulation and flow, and fuel tank is made of corrosion resistant plate, corrosion-resistant, can effectively prevent hydraulic oil pollution, guarantees that hydraulic system normally moves.
Accompanying drawing explanation
Fig. 1 is lifting rotation platform caterpillar drilling machine general assembly schematic diagram for colliery of the present invention
Fig. 2 is lifting rotation platform caterpillar drilling machine lifting rotation platform structure schematic diagram for colliery of the present invention
Fig. 3 is lifting rotation platform caterpillar drilling machine hydraulic pump station structure schematic diagram for colliery of the present invention
Fig. 4 is lifting rotation platform caterpillar drilling machine console schematic diagram for colliery of the present invention
Fig. 5 is lifting rotation platform caterpillar drilling machine hydraulic pressure moving platform rack construction schematic diagram for colliery of the present invention
Fig. 6 is lifting rotation platform caterpillar drilling machine power head structure schematic diagram for colliery of the present invention
Fig. 7 is lifting rotation platform caterpillar drilling machine oild chuck structural representation for colliery of the present invention
Fig. 8 is lifting rotation platform caterpillar drilling machine holder structure schematic diagram for colliery of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described
In Fig. 1, this rig is by hydraulic track chassis 1, car body lifting rotation platform 2, hydraulic power unit 3, operating desk 4, hydraulic pressure moving platform frame 5, the composition such as unit head 6, oild chuck 7, clamper 8, four groups of firm angle modulation oil cylinders and two horizontal support oil cylinders 10.Shown in 2, the specific embodiment is by reference to the accompanying drawings: on the outer wall of lifting rotation platform outer cylinder 13, pack successively gyrator upper flange 14, gyrator 15, gyrator lower flange 16, turning positioning apparatus 17 into.Wherein, upper flange 14 and outer cylinder 13 outer wall welding, be connected with the upper cover of gyrator 15 with hexagon socket head cap screw, and gyrator lower flange 16 is also connected with the lower cover of gyrator 15 with screw, and gyrator lower flange 16 is welded and fixed with creeper truck chassis 1.In outer cylinder 13, pack hoist cylinder 12 into, and be fixed on its base plate with hexagon socket head cap screw.Then the inner cylinder tube 11 with gathering sill of lifting rotation platform is packed in outer cylinder 13, its top board is connected with screw with the piston rod of hoist cylinder 12, and guiding connecting key 18 is inserted in the gathering sill of inner cylinder tube 11 by outer cylinder 13 hole above, guiding connecting key had both played the guide effect of lifting platform, again interior outer cylinder was connected and was rotated with gyrator.Finally platform panel is contained on inner cylinder tube 11, and is fixedly connected with.So just be assembled into lifting rotation platform 2.When the logical liquid of hoist cylinder 12 makes piston rod flexible, band is automatically connected in the lifting platform on inner cylinder tube 11; Turning positioning apparatus 17 is unclamped, manually promote platform 2 and rotate around gyrator 15 with interior outer cylinder, when platform rotates to bore direction, locked with turning positioning apparatus 17, platform 2 no longer rotates.Because rig is in construction, platform number of revolutions is few, and the artificial gyrator promoting of design is more convenient and swift than the gyrator driving with motor, and cost is low.
After lifting rotation platform 2 installs, hydraulic pressure pump drill 3 is installed in left front at lifting rotation platform 2, console 4 is installed behind left back, hydraulic pressure moving platform support 5 is installed on right side, on the planker platform 37 of hydraulic pressure moving platform frame 5, unit head 6 is installed, the oil cylinder 9 of 7, four groups of firm angle modulation of the front installing holder of frame 5 is arranged on four jiaos of lifting rotation platform 2, two platform support cylinders 10 are arranged on the centre position, front and back of platform 2, have so just formed lifting rotation platform caterpillar drilling machine for colliery of the present invention.
Shown in Fig. 3, hydraulic pressure pump drill 3 is by the fire-proof motor 20 and the duplex pump 22 being connected with motor coupler 21 that are arranged on motor cabinet 19, and the fuel tank 25 being connected with duplex pump fuel sucking pipe 23, oil return cooler 24 forms.Described duplex pump 22 is load sensitive pump and constant voltage plunger displacement pump, common name I pump and II pump, described fuel tank 25 corrosion resistant plate welding production, and oil suction that general fuel tank should be equipped with, return filter, content gauge, thermometer, oil filler air filter, return pressure table etc. be installed, be fixed by screws on lifting rotation platform, fire-proof motor 20 is also fixed on lifting rotation platform by the screw of motor cabinet 19.Motor drives duplex pump to work by shaft coupling, and oil pump is from fuel tank oil suction pressure oil output.I pump is to tetrad guide banked direction control valves 33 fuel feeding under console 4, and pressure is 26Mpa, and flow is 150L/min; II pump is to console integrated valve block 26 fuel feeding, and pressure is 21Mpa, and flow provides hydraulic power for rig for 30L/min, and load sensitive pump can, according to the pressure and the flow that creep into the automatic regulation output of load, adapt to the working condition of rig better.
Shown in Fig. 4, integrated valve block 26 is housed on console 4, instrument board 27, the control elements such as five hand-operated direction valves 28, stack overflow valve 29, stack one way valve 30, choke valve 31 are housed on integrated valve block 26, five pressure meters 32 are housed on instrument board 27, tetrad guide banked direction control valves 33, ten is housed under console and directly controls banked direction control valves 34, console is connected with hydraulic pressure pump drill 3 and each executive component of rig with high-pressure rubber pipe 35.Console is arranged on car body lift platform 2 by support and screw.Wherein, five hand-operated direction valves 28 on integrated valve block, the work of controlling respectively drill power head 3 is entered, is moved back slowly, and the mode of creeping into is changed, the clamping of II pump shunting, oild chuck 7 and clamper 8, unclamp.Five pressure meters 32 show respectively the pressure of I pump, II pump, variable displacement motor 43, clamper 8 and rig propelling cylinder 38.Tetrad guide banked direction control valves 33 is controlled respectively variable displacement motor 43 forward and backwards on unit head and is stopped; Control F.F., the rewind down of propelling cylinder 38 and stop; Control advancing, retreat and stopping of creeper truck chassis 1 left and right crawler belt.Ten directly control the lifting of four groups of eight firm angle modulation oil cylinders 9 of eight joint control systems in banked direction control valves, the lifting of joint control lifting platform oil cylinder 12 processed, the lifting of another joint control frame angle modulation processed oil cylinder 40.Central combination by console is controlled, and realizes the various functions of rig.
Shown in Fig. 5, the concrete implementation step of hydraulic pressure moving platform frame 5 is: first propelling cylinder 38 is arranged in the middle of slide unit frame lathe bed 36, to on the contact surface of planker platform 37 and slide unit frame bed ways, coat red lead powder again, repeatedly with frame bed ways break-in scraping, and sucker dial gauge is inhaled and on bed ways, measured four jiaos, planker platform, reach after the parallelism 0.10mm with frame lathe bed, used pressing plate to be connected with slide unit frame lathe bed 36 with screw, again planker platform 37 use slips are connected with propelling cylinder 38, form hydraulic pressure moving platform frame.When planker platform 37 is installed unit head 6, unit head is placed on planker platform, with the upper check rod of chuck 7 folder, sucker dial gauge is inhaled on the guide rail of slide unit frame lathe bed 36, measure Up Highway UHW and the side bus of check rod, while all reaching 0.10mm, then between unit head and planker, stamp alignment pin, tighten the screws is fixed.When slide unit frame lathe bed 36 installing holder 8, first check rod is placed in the hole of chuck 7 and clamper 8, adjustment center height is consistent, Up Highway UHW and the side bus of with sucker dial gauge, measuring check rod reach after 0.10mm, with clamp holder clamping check rod, sucker dial gauge is inhaled to the end face at chuck 7 again, rotary chuck is measured the circular runout of check rod, is after axiality 0.02mm, to between clamper 7 and frame lathe bed 36, stamp alignment pin, tighten fixed screw and connect.Such required precision has embodied the difference place of this hydraulic pressure sliding frame 5 with other rig brackets.Finally at slide unit frame lathe bed 36 rear installation frame lathe bed shaft seatings 39, middle installation frame angle modulation oil cylinder 40, the place ahead installation frame angle modulation guide pillar 41, and be fixedly connected with lifting rotation platform 2 by the hinged seat of lathe bed shaft seating screw and frame angle modulation oil cylinder and frame angle modulation guide pillar.Under the effect of propelling cylinder 38, drive planker platform 37 and unit head 6 to move reciprocatingly along the guide rail of hydraulic pressure moving platform frame, realize creeping into and rising and pull out of rig; Frame angle modulation oil cylinder is used for adjusting the angle of frame, adapts to the inclination angle requirement of boring.
Shown in Fig. 6, unit head 6 is comprised of the variable displacement motor 43, check mechanism 44, oil distributor 45, the oild chuck 7 that are contained on reductor 42; Described reductor 42 is by star-like reducer 46 and be arranged on pinion on star-like reducer 47 and be arranged on the double reduction machine that the gear wheel 48 on reductor main shaft forms, by the flow of adjustment variable displacement motor 43, realizes the stepless time adjustment of unit head 6; In the described check mechanism 44 being connected with reductor 42, ten groups of friction plates 49, piston 50, holddown spring 51, splined shaft 52 are housed, with variable displacement motor 43 feedings simultaneously, promote piston 50 holddown spring 51 that moves to right, friction plate 49 is unclamped, and the reductor transmission simultaneously connecting with splined shaft 52, when variable displacement motor 43 emptying stalls, piston 50 moves to left under the effect of holddown spring 51, and piston pressing friction sheet 49 is braked with reductor simultaneously.
Shown in Fig. 7, in chuck cylinder body 53 1 sides, the cylinder end caps 54 with connecting hole and liquid injection hole is housed, in cylinder end caps 54 He in chuck cylinder body 53, annular piston 55 is housed; At chuck cylinder body 53 opposite sides, the inner cone end cap 56 with anti-rotation keyhole and rollback spring lead hole is housed, inner cone end cap 56 is equipped with rollback spring guide pillar 59 and rollback spring 58, and the outer cone claw die holder 57 and three antirotation keys 60 that are divided into 3 half are also housed.Chuck is arranged on unit head reductor main shaft, for holding drill pipe.When oild chuck 7 is after the logical oil of oil distributor 45, annular piston 55 moves to left and promotes outer cone claw model 57 and move axially, shrink in inner cone end cap 56, clamps drilling rod; After oild chuck 7 emptyings, rollback spring 58 promotes annular piston 55 and moves right, and unclamps outer cone claw die holder 57, unloads drilling rod.
Shown in Fig. 8, in a side of clamper cylinder body 61, the cylinder end caps 62 with connecting hole and liquid injection hole is housed, in clamper cylinder body 61 He in cylinder end caps 62, two-way annular piston 63 and piston propelling spring 64 is housed; At the opposite side of clamper oil cylinder 61, the inner cone end cap 65 with connecting hole and anti-rotation keyhole is housed, 65 li of inner cone end caps, be equipped with and be divided into 4 half outer cone claw die holders 66, with claw die holder spring 67, interconnect, inner cone end cap 65 is also equipped with four antirotation keys 68.Clamper 8 is contained on slide unit frame lathe bed, for holding drill pipe and the guiding of drilling rod while creeping into.After the logical oil in clamper cylinder body 61 left sides, two-way annular piston 63 compression propelling springs 64, drive outer cone claw die holder 66 to move to right and unclamp drilling rod; When clamper cylinder body 61 right sides are after the logical oil of oil filler point of cylinder end caps 62, under the double action of two-way annular piston 63 and propelling spring 64, promote the outer cone claw die holder 66 clamping drilling rod that moves to left, when unload under oil condition clamper cylinder body 61 both sides, pressure by propelling spring still can clamp drilling rod, makes drilling rod can from inclined drill, not skid off and have an accident.
The main parts size of this hydraulic chuck of drilling machine 7, clamper 8, all manufactures after heat treatment quenching and tempering with 40Cr material as cylinder body, end cap, piston etc., and nitrogen treatment is carried out on surface.Outer cone claw die holder is manufactured with 20CrMnTi material, and carries out nitrogencase hardening processing, and hardness is high, and abrasion resistance is good, long service life.After oild chuck 7, clamper 8 have assembled, all carry out 28MPa high-pressure seal experiment, do not allow to occur seepage, to guarantee product quality, safe and reliable.
Claims (9)
1. lifting rotation platform caterpillar drilling machine for a colliery, by hydraulic track chassis (1), car body lifting rotation platform (2), hydraulic power unit (3), console (4), hydraulic pressure moving platform frame (5), unit head (6), oild chuck (7), clamper (8), four groups of firm angle modulation oil cylinders (9) and two horizontal support oil cylinders (10) etc., formed, it is characterized in that, car body lifting rotation platform (2) is housed on hydraulic track chassis (1); Car body rotation platform (2) is equipped with hydraulic power unit (3), console (4), hydraulic pressure moving platform frame (5), four jiaos above four groups of firm angle modulation oil cylinders (9) is housed respectively, and horizontal support oil cylinder (10) is respectively housed in the middle of front and back; At hydraulic pressure moving platform support (5), unit head (6), clamper (8) are housed; Unit head (6) is equipped with oild chuck (7).
2. mining lifting rotation platform caterpillar drilling machine according to claim 1, is characterized in that, described car body lifting rotation platform (2) is arranged on hydraulic track chassis (1) by platform rotating mechanism; Described lifting rotation mechanism, by the back cover outer cylinder (13) that gyrator upper flange (14), gyrator (15) gyrator lower flange (16) are housed on outer wall, and hoist cylinder (12), with gathering sill inner cylinder tube (11), turning positioning apparatus (17), guiding connecting key (18), form.
3. mining lifting rotation platform caterpillar drilling machine according to claim 1, it is characterized in that, described hydraulic power unit (3) is gone up fire-proof motor (20) and the duplex pump (22) being connected through shaft coupling (21) by being arranged on motor cabinet (19), and is connected fuel tank (25) composition with duplex pump fuel sucking pipe (23) oil return cooler (24); Described duplex pump (22) is load sensitive pump and constant voltage plunger displacement pump; Described fuel tank (25) is made of stainless-steel sheet.
4. lifting rotation platform caterpillar drilling machine for colliery according to claim 1, it is characterized in that, described console (4) is provided with the integrated valve block (26) of the elements such as five hand-operated direction valves (28), stack overflow valve (29), stack one way valve (30), choke valve (31) are housed; Be provided with the instrument board (27) that five pressure meters (32) are housed; Be provided with tetrad guide banked direction control valves (33) and ten and directly control banked direction control valves (34); By high-pressure rubber pipe (35), be connected with pumping plant (3) Ji Ge executing agency.
5. lifting rotation platform caterpillar drilling machine for colliery according to claim 1, it is characterized in that, described hydraulic pressure moving platform frame (5) is provided with slide unit frame lathe bed (36) and coupled propelling cylinder (38), planker platform (37), frame lathe bed shaft seating (39), frame angle modulation oil cylinder (40), frame angle modulation guide pillar (41) and unit head (6) and clamper (7), affiliated unit head (6) is 0.10m to straightness accuracy, the parallelism of frame slide unit lathe bed (36) guide rail, and unit head (6) is 0.20mm to the concentricity of clamper (7).
6. mining lifting rotation platform caterpillar drilling machine according to claim 1, it is characterized in that, described unit head (6), is provided with reductor (42) and connected variable-displacement oil motor (43), check mechanism (44), oil distributor (45), oild chuck (7); Described reductor (42) forms double reduction mechanism by star reducer (46), pinion (47) gear wheel (48), adjusts the flow of variable-displacement oil motor (43) and realizes electrodeless variable-speed; In described check mechanism, be provided with friction plate (49), piston (50), holddown spring (51), by splined shaft (52), be connected with reductor (42).
7. according to lifting rotation platform caterpillar drilling machine for colliery described in right claim 1, it is characterized in that, described oild chuck (7), the cylinder end caps (54) and annular piston (55) other end that in chuck cylinder body (53) one end, are provided with band connection pin-and-hole and oil filler point are provided with the inner cone end cap (56) with anti-rotation keyhole and rollback spring guide pillar hole, 3 half outer cone claw die holders (57) and rollback spring (58) and rollback spring guide pillar (59) are housed on inner cone end cap, antirotation keys (60) is housed on outer wall.
8. lifting rotation platform caterpillar drilling machine for colliery according to claim 1, it is characterized in that, described clamper (8), in clamper cylinder body (61) one end, be provided with the cylinder end caps (62) with oil filler point and the two-way annular piston (63) of propelling spring (64) is housed, the other end is provided with band antirotation keys slotted hole inner cone end cap (65); Inner 4 half outer cone claw die holders (66), the claw die holder spring (67) of being equipped with of inner cone end cap (65), is equipped with antirotation keys (68) on outer wall.
9. lifting rotation platform caterpillar drilling machine for colliery according to claim 1, is characterized in that the monaural type oil cylinder of described horizontal support oil cylinder (10) for overturning downwards.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310371713.4A CN103603596A (en) | 2013-08-23 | 2013-08-23 | Lifting-rotation-platform crawler drill for coal mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310371713.4A CN103603596A (en) | 2013-08-23 | 2013-08-23 | Lifting-rotation-platform crawler drill for coal mine |
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| CN106401468A (en) * | 2016-06-26 | 2017-02-15 | 杭州祥龙钻探设备科技股份有限公司 | Drilling machine structure used for coal mine |
| CN107901995A (en) * | 2017-12-14 | 2018-04-13 | 重庆蒙诺工程机械有限公司 | A kind of creeper truck car body with turntable |
| CN112240162A (en) * | 2020-04-13 | 2021-01-19 | 中北大学 | Foldable tunnel drilling equipment of arm |
| CN113236229A (en) * | 2021-06-29 | 2021-08-10 | 中煤科工集团重庆研究院有限公司 | Device and method for measuring displacement of power head of drilling machine |
| CN113275412A (en) * | 2021-06-15 | 2021-08-20 | 杭州予琚智能装备有限责任公司 | Straightness measuring and correcting device for long-strip-shaped part with special-shaped section |
| CN113833401A (en) * | 2021-09-17 | 2021-12-24 | 贵州航天天马机电科技有限公司 | Auxiliary platform for anchoring drilling machine construction |
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Application publication date: 20140226 |