CN202810651U - Outburst prevention crawler drilling machine for excavation roadway - Google Patents
Outburst prevention crawler drilling machine for excavation roadway Download PDFInfo
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- CN202810651U CN202810651U CN 201220478437 CN201220478437U CN202810651U CN 202810651 U CN202810651 U CN 202810651U CN 201220478437 CN201220478437 CN 201220478437 CN 201220478437 U CN201220478437 U CN 201220478437U CN 202810651 U CN202810651 U CN 202810651U
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Abstract
The utility model particularly relates to an outburst prevention crawler drilling machine for excavation roadway and solves the problems that the current gas drainage drilling machine is moved difficultly when used, and the construction requirements of different heights and different angles cannot be met. The outburst prevention crawler drilling machine for excavation roadway comprises a machine body platform and a lifting platform which is located in front of the machine body platform; a traveling mechanism is arranged below the machine body platform; the upper part of the machine body platform is provided with a control mechanism, a slurry pump, a hydraulic mechanism, a hydraulic system; a fixed seat is arranged at the front end of the machine body platform; a lifting mechanism which is connected with the fixed seat and the lifting platform is arranged between the fixed seat and the lifting platform; and the rear end of the machine body platform is provided with a supporting mechanism. According to the requirement of the different heights of roadway engineering holes, mechanized constructions of underground excavating probe holes, large caliber gas drainage holes and other engineering holes with the height of 1-3m are realized by lifting the platform; and the outburst prevention crawler drilling machine for excavation roadway has the advantages of complete drilling functions, high working safety and efficiency, low labor intensity of workers, reasonable structure, compact mechanism, flexible operation and convenience in operation.
Description
Technical field
The utility model relates to the underground mine use rig, is specially a kind of digging laneway protrusion-dispelling caterpillar drilling machine.
Background technology
In China, to exploit under 95% the possession, colliery, condition of coal seam occurrence is complicated and changeable, and major gas accident occurs often.In the face of current safety of coal mines situation, be prevention colliery local gas security incident, accomplish the effective extraction of gas and utilization, in order to solve the prevention difficult problem of puzzlement government and coal industry gas explosion accident for many years, it is significant to research and develop the portable deep hole drill car that can be used for driving face simultaneously.
The gas drainage drilling rig kind of using under coal mine at present is many, and these gas drainage under suction devices in use ubiquitous problem are: 1. drill carriage volume, weight are larger, underground moving resettlement difficulty; 2. for adapting to the technological requirement of colliery driving " having pick to visit ", cross drainage drilling machine does not satisfy the construction requirement of differing heights, different angles when prying into gaging hole.
Summary of the invention
The utility model provides a kind of digging laneway protrusion-dispelling caterpillar drilling machine in order to solve the problem that moves the resettlement difficulty when existing gas drainage drilling rig uses and can not satisfy differing heights, different angles construction requirement.
The utility model is to adopt following technical scheme to realize: digging laneway protrusion-dispelling caterpillar drilling machine, comprise body platform and the lift platform that is positioned at its place ahead, body platform below is provided with walking mechanism, body platform top is provided with operating mechanism, slush pump, hydraulic mechanism, hydraulic system, body platform front end is provided with holder, be provided with the elevating mechanism that is connected with both between holder and the lift platform, body platform rear end is provided with supporting mechanism;
Walking mechanism comprises front tie-beam and the rear tie-beam that is fixed on body platform below, be fixed with track frame between front tie-beam and the rear tie-beam, the rear and front end of track frame is provided with front sprocket wheel and rear sprocket wheel, front sprocket wheel horizontal slip is on track frame, be wound with crawler belt between front sprocket wheel and the rear sprocket wheel, the axle center of rear sprocket wheel is provided with the reducer fixing with track frame, is connected with hydraulic motor travel motor on the reducer, and rotating shaft place of front sprocket wheel is connected with the turgor cylinder that is fixed on the track frame;
Hydraulic mechanism comprises that the motor that is provided with body platform top, the output shaft of motor are connected with hydraulic pump, be connected with fuel tank on the hydraulic pump, the both sides of fuel tank are provided with oil absorption filter and return filter, are provided with the cooler that communicates with both between oil absorption filter and the return filter;
Elevating mechanism comprises arc crossbeam and the support cylinder that is hinged on respectively the holder upper and lower end, and the other end of support cylinder and arc crossbeam rear side middle part are hinged, front end and the lift platform of arc crossbeam are hinged, the rear end of arc crossbeam is hinged with the adjustment oil cylinder, the middle part, front side of arc crossbeam is fixed with auxiliary fixing seat, be hinged with the connecting rod I on the auxiliary fixing seat, the rear end of lift platform is fixed with the angular adjustment bar, the upper end of angular adjustment bar is hinged with the connecting rod II, and the two ends of connecting rod I are hinged with the other end of connecting rod II and adjustment oil cylinder respectively;
Supporting mechanism comprises with the body platform and is fixed with the supporting oil cylinder, and the upper end of supporting oil cylinder is fixed with the supporting extension bar, and the upper end of supporting extension bar is fixed with the supporting connector, and the lower end of supporting oil cylinder is fixed with the retaining-plate that is positioned at body platform below;
Be fixed with oil cylinder fixing base on the lift platform, be fixed with oscillating oil cylinder on the oil cylinder fixing base, the oscillating oil cylinder top is connected with the propelling platform, advance on the platform and be provided with slip planker thereon, before rear, be disposed with clino-axis type variable displacement motor, motor speed reducer, oild chuck on the planker, advance the front end of platform to be fixed with clamper.
Hydraulic system and operating mechanism are that those skilled in the art realize easily.
During operation, starter motor, hydraulic pump is supplied with hydraulic oil through fuel tank; At this moment, hydraulic motor travel motor drives reducer, the walking of rear sprocket wheel, and by controlling the flexible tension crawler belt of turgor cylinder, runs to assigned address; Adjust elevating mechanism according to the position in the hole of will constructing subsequently, can make the up and down lift work of 2000mm by drive lift platform under the effect of support cylinder, during lifting, under the acting in conjunction of adjusting oil cylinder and connecting rod, the angle adjustment that realizes lift platform changes, by moving up and down and angle adjustment of lift platform, can realize that the differing heights in tunnel, angle creep into operation; Meanwhile, advance platform under the effect of oscillating oil cylinder, can make and push away each 90-degree rotation about the platform and integrally realization, after above-mentioned motion action is finished, handling back support mechanism makes supporting connector and supporting version prop up firm top board and floor, the clino-axis type variable displacement motor slows down through motor speed reducer, and drive shaft and oild chuck are realized the revolution of drilling tool, and drives planker and clino-axis type variable displacement motor, motor speed reducer and oild chuck disposed thereon moves back and forth along the fuselage guide rail; (stair that the operating personnel will design on the elevating mechanism during hole of operation eminence get on the operating personnel, drilling rod is installed) from propulsion plant back installation drilling rod, begin immediately to creep into operation, when needs continued access drilling rod, the operating personnel installs drilling rod from the propulsion plant back; After operation is finished, begin to pull out drilling rod, after finishing, adjusted elevating mechanism to next bore position, then carried out next hole operation.Overcome the problem that moves the resettlement difficulty when existing gas drainage drilling rig uses and can not satisfy differing heights, different angles construction requirement.
Hydraulic system comprises the function switching valve that makes a trip, clamper function switching valve and the some main reversing valves that are communicated with hydraulic pump, the corresponding hydraulic motor travel motor that connects of two outputs of each main reversing valve, turgor cylinder, support cylinder, adjust oil cylinder, oscillating oil cylinder, the supporting oil cylinder, slush pump, the clino-axis type variable displacement motor, the feeding of moving for control clino-axis type variable displacement motor works two inputs that pull out oil cylinder, be serially connected with one way valve I and one way valve II between clino-axis type variable displacement motor two inputs, be provided with the uniguide that is communicated with both between one way valve I and the one way valve II, the end of uniguide is serially connected with hydraulic control one-way valve and choke valve, two inputs that feeding works two inputs that pull out oil cylinder and the function switching valve that makes a trip are communicated with, two outputs of the function that makes a trip switching valve respectively with hydraulic control one-way valve, the input of oild chuck is communicated with, be provided with the one way valve III that is communicated with both between the function that makes a trip switching valve and the oild chuck, uniguide and clamper function switching valve, and with the one way valve III, the input of clamper function switching valve connects, another input of clamper function switching valve is communicated with uniguide, the output of clamper function switching valve is communicated with the input of clamper, another input of clamper and clino-axis type variable displacement motor input be communicated with.
Behind the electric motor starting, hydraulic pump sucks low pressure oil through oil absorption filter, the hydraulic oil of output enters some main reversing valves through operating mechanism, the forward of clino-axis type variable displacement motor, reverse and stop, feeding rises and pulls out advancing, retreat and stopping of oil cylinder, all control by the main reversing valve corresponding with it; Hydraulic pump off-load when these two main control valves all are in meta, clino-axis type variable displacement motor and oil cylinder are in quick condition; In oil circuit, be provided with uniguide and be arranged on one way valve one way valve I, one way valve II, hydraulic control one-way valve and choke valve on the uniguide, to the oild chuck fuel feeding, chuck is clamped during clino-axis type variable displacement motor revolution (forward and backward); When clamper function switching valve handgrip places when position interlock, the pressure oil liquid of clino-axis type variable displacement motor enters clamper, and it is unclamped, and can realize turning round, the linkage function between oild chuck and the clamper three this moment, is conducive to the cleaning bottom of hole operation; The oil return of oild chuck (namely unclamping) is to be composed in series by hydraulic control one-way valve and choke valve, hydraulic control one-way valve is closed when oild chuck clamps, avoid pressure oil to leak, when oild chuck need to unclamp, come self-feed to rise to pull out the pressure control oil of oil cylinder automatically to open hydraulically-controlled one-way valve, chuck unclamps fast; Regulate choke valve and can control the oild chuck oil return speed, coordinate the matching relationship of oild chuck and clamper; Its oil return is also flowed back to fuel tank through the oild chuck choke valve when clamper and oild chuck interlock.The function that makes a trip switching valve is three-position four-way valve, change oild chuck and clamper and feeding and work the interlock of pulling out oil cylinder, when making a trip, the interlock switching valve handgrip of function switching valve of will making a trip first places relevant position (namely pulling out of hole or the lower position of boring), then only need operation to feed, rise and pull out handgrip, can finish, lower brill moves; When the function switching valve that makes a trip was in meta, its linkage function lost efficacy.Clamper function switching valve of series connection in the clamper oil circuit changes the interlock mode of clino-axis type variable displacement motor and clamper, makes clamper with the interlock of clino-axis type variable displacement motor or separates; Handgrip places meta to be equivalent to a stop valve, is used for creeping into or closes the clamper oil circuit when weighing, and makes clamper stay open state, is not subjected to the impact of other action; The startup of hydraulic motor travel motor, turgor cylinder, support cylinder, adjustment oil cylinder, oscillating oil cylinder, supporting oil cylinder, slush pump, close, all by the main reversing valve control corresponding with it, the structure design of hydraulic system is more rationally reliable.
The utility model reasonable in design is reliable, requirement according to roadway engineering hole differing heights, realize the highly driving of the down-hole between 1-3 rice exploration hole by lifting platform, the mechanized construction of heavy caliber gas extraction hole and other engineering hole, creep into complete function, job security and efficient are high, labor strength is low, and rational in infrastructure, mechanism is compact, go slick and easy to operate, greatly shortened bore operation non-cutting time, drilling efficiency and personal security performance have been improved, be applicable to the Driving Face in Coal Tunnel operation, can satisfy the boring of creeping into various uses under the coal mine, also can be used for the earth's surface engineering construction.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic top plan view at hydraulic mechanism place among Fig. 1;
Fig. 3 is the fundamental diagram of hydraulic system among Fig. 1.
Among the figure: 1-body platform, 2-lift platform, 3-walking mechanism, 4-operating mechanism, the 5-hydraulic mechanism, 6-holder, 7-elevating mechanism, 8-supporting mechanism, tie-beam before the 9-, tie-beam behind the 10-, sprocket wheel before the 11-track frame, 12-, sprocket wheel behind the 13-, 14-crawler belt, 15-uniguide, 16-hydraulic control one-way valve, 17-one way valve II, 18-motor, 19-hydraulic pump, 20-fuel tank, the 21-oil absorption filter, 22-return filter, 23-cooler, 24-arc crossbeam, the 25-support cylinder, 26-adjusts oil cylinder, 27-auxiliary fixing seat, 28-connecting rod I, 29-angular adjustment bar, 30-connecting rod II, 31-supporting oil cylinder, 32-supporting extension bar, 33-supporting connector, 34-retaining-plate, the 35-oil cylinder fixing base, the 36-oscillating oil cylinder, 37-advances platform, the 38-planker, 39-clino-axis type variable displacement motor, 40-reducer, the 41-oild chuck, 42-clamper, 43-choke valve, 44-main reversing valve, the 45-function switching valve that makes a trip, 46-clamper function switching valve, 47-slush pump, 48-feeding rise and pull out oil cylinder, 49-one way valve I.
The specific embodiment
Digging laneway protrusion-dispelling caterpillar drilling machine, comprise body platform 1 and the lift platform 2 that is positioned at its place ahead, body platform 1 below is provided with walking mechanism 3, body platform 1 top is provided with operating mechanism 4, slush pump 47, hydraulic mechanism 5, hydraulic system, body platform 1 front end is provided with holder 6, be provided with the elevating mechanism 7 that is connected with both between holder 6 and the lift platform 2, body platform 1 rear end is provided with supporting mechanism 8;
Be fixed with oil cylinder fixing base 35 on the lift platform 2, be fixed with oscillating oil cylinder 36 on the oil cylinder fixing base 35, oscillating oil cylinder 36 tops are connected with and advance platform 37, advance on the platform 37 and be provided with slip planker 38 thereon, before rear, be disposed with clino-axis type variable displacement motor 39, reducer 40, oild chuck 41 on the planker 38, advance the front end of platform 37 to be fixed with clamper 42.
Hydraulic system comprises the function switching valve 45 that makes a trip, clamper function switching valve 46 and the some main reversing valves 44 that are communicated with hydraulic pump 19, the corresponding hydraulic motor travel motor that connects of two outputs of each main reversing valve 44, turgor cylinder, support cylinder 25, adjust oil cylinder 26, oscillating oil cylinder 36, supporting oil cylinder 31, slush pump 47, clino-axis type variable displacement motor 39, the feeding of moving for control clino-axis type variable displacement motor 39 works two inputs that pull out oil cylinder 48, be serially connected with one way valve I 49 and one way valve II 17 between 39 liang of inputs of clino-axis type variable displacement motor, be provided with the uniguide 15 that is communicated with both between one way valve I 49 and the one way valve II 17, the end of uniguide 15 is serially connected with hydraulic control one-way valve 16 and choke valve 43, two inputs that feeding works two inputs that pull out oil cylinder 48 and the function switching valve 45 that makes a trip are communicated with, two outputs of the function that makes a trip switching valve 45 respectively with hydraulic control one-way valve 16, the input of oild chuck 41 is communicated with, be provided with the one way valve III 54 that is communicated with both between the function that makes a trip switching valve 45 and the oild chuck 41, uniguide 15 and clamper function switching valve 46, and with one way valve III 54, the input of clamper function switching valve 46 connects, another input of clamper function switching valve 46 is communicated with uniguide 15, the output of clamper function switching valve 46 is communicated with the input of clamper 42, and another input of clamper 42 is communicated with the input of clino-axis type variable displacement motor 39.
In the specific implementation process, the walking of hydraulic drill rig is by two main reversing valves control on the operating mechanism, left side handle control left side walking, right side handle control right side walking promotes two handles forward simultaneously, namely realize forward walking, two handles pull back simultaneously, namely retreat, when machine is turned, to according to the turning to of bend, when being pushed away forward, a handle pull back another handle.
In the drilling process, try out first, clino-axis type variable displacement motor 39 forwards, counter-rotating bidirectional experimental, running should be normally steady; The advancing, retreat of repetition test clino-axis type variable displacement motor 39 is to get rid of the air in the oil cylinder, until smooth running; Test oild chuck 41, clamper 42 open and close and want flexibly, and it is reliable that action is wanted; Whether the direction of action that checks each operating mechanism is consistent with the label orientation of direction board, should in time change relevant oil pipe as inconsistent; In above every test running process, each several part should without oil leakage phenomenon, should in time be got rid of as finding.
When spudding in operation, insert a drilling rod from clino-axis type variable displacement motor 39 rear ends, pass oild chuck 41, withstand on clamper 42 end faces; If in the time of drilling rod can not being inserted from clino-axis type variable displacement motor 39 rear ends, can turn off rig, after drilling rod inserts clino-axis type variable displacement motor 39, restart rig.
Clamper function switching valve 46 handgrips are shifted separating position (being anteposition) onto, and the function that will make a trip transforms valve 45 handgrips and shifts lower brill position onto, has fed forward and has pulled out handgrip, makes drilling rod enter clamper 42, manually screws on without core drill bit in clamper 42 the place aheads, prepares to creep into.
Extract clamper 42 slips out, clino-axis type variable displacement motor 39 retreats into extreme position, puts into the particle size core bit in oild chuck 41 the place aheads; Insert a drilling rod from clino-axis type variable displacement motor 39 rear ends, be screwed in the particle size tool joint, prepare to creep into.
Move to have fed and pull out oil cylinder 48 handgrips, by moving back and forth of clino-axis type variable displacement motor 39 drilling rod is sent in the hole, stop to send into when treating the nearly clino-axis type variable displacement motor of shank termination 39 rear-end of spindle.
Insert second drilling rod from clino-axis type variable displacement motor 39 rear ends, manually to upper screw thread, retreat clino-axis type variable displacement motor 39, and forward (oild chuck Automatic-clamping) is tightened drilling rod, and second drilling rod sent in repetitive operation, later on successively repeatedly, until sent whole drilling rods.
Connect water tap, start slush pump 47, in the hole, send into flushing liquor; Until the aperture see return water after, will feed and pull out oil cylinder 48 handgrips and pulled to and pull out the position, make the drill motor device retreat into extreme position, clamper 42 is opened fully, is in open mode; In the drilling process, revolution and pressure should in time be adjusted according to arts demand.
Reduce pressure of the hole in the bottom, stop to feed, then stop revolution, push away forward clamper function switching valve 46 handgrips, clamper 42 is clamped drilling tool; Return clino-axis type variable displacement motor 39; By means of feeding, open clamper 42, then restart to creep into.
Reduce pressure of the hole in the bottom, stop to feed and turning round, push away forward clamper function switching valve 46 handgrips; Stop unloading water tap for flushing liquor; Connect and add the chi drilling rod, connect again water tap, return clino-axis type variable displacement motor 39, open clamper 42, can begin to creep into.
Reduce pressure of the hole in the bottom, stop to feed and turning round, push away forward clamper function switching valve 46 handgrips; Drilling tool is lifted from certain distance at the bottom of the hole; Stop for flushing liquor.
Stop boring, unload water tap; The function that will make a trip switching valve 45 handgrips place the trip-out position, and clino-axis type variable displacement motor 39 discharge capacities are transferred to maximum; Pull feeding and rise and pull out oil cylinder 48 handgrips, rod pulling is waited to stop when the joint of wanting to unload exposes clamper 42 apart from 250-300mm, and 39 counter-rotatings of clino-axis type variable displacement motor are turned on drilling rod and got final product; Reach clino-axis type variable displacement motor 39 makes that the tail end of drilling tool enters oild chuck 41 in the hole, takes off simultaneously the drilling rod of having dismantled; Pull out next root drilling rod, the operation that moves in circles is until extract whole drilling rods in the hole; Take out at last the particle size drilling tool.
Claims (2)
1. digging laneway protrusion-dispelling caterpillar drilling machine, it is characterized in that: comprise body platform (1) and be positioned at the lift platform (2) in its place ahead, body platform (1) below is provided with walking mechanism (3), body platform (1) top is provided with operating mechanism (4), slush pump (47), hydraulic mechanism (5), hydraulic system, body platform (1) front end is provided with holder (6), be provided with the elevating mechanism (7) that is connected with both between holder (6) and the lift platform (2), body platform (1) rear end is provided with supporting mechanism (8);
Walking mechanism (3) comprises front tie-beam (9) and the rear tie-beam (10) that is fixed on body platform (1) below, be fixed with track frame (11) between front tie-beam (9) and the rear tie-beam (10), the rear and front end of track frame (11) is provided with front sprocket wheel (12) and rear sprocket wheel (13), front sprocket wheel (12) horizontal slip is on track frame (11), be wound with crawler belt (14) between front sprocket wheel (12) and the rear sprocket wheel (13), the axle center of rear sprocket wheel (13) is provided with the reducer fixing with track frame (11), be connected with hydraulic motor travel motor on the reducer, rotating shaft place of front sprocket wheel (12) is connected with the turgor cylinder that is fixed on the track frame (11);
Hydraulic mechanism (5) comprises that the motor (18) that is provided with body platform (1) top, the output shaft of motor (18) are connected with hydraulic pump (19), be connected with fuel tank (20) on the hydraulic pump (19), the both sides of fuel tank (20) are provided with oil absorption filter (21) and return filter (22), are provided with the cooler (23) that communicates with both between oil absorption filter (21) and the return filter (22);
Elevating mechanism (7) comprises and being hinged on respectively on the holder (6), the arc crossbeam (24) of lower end and support cylinder (25), and the other end of support cylinder (25) and arc crossbeam (24) rear side middle part are hinged, the front end of arc crossbeam (24) and lift platform (2) are hinged, the rear end of arc crossbeam (24) is hinged with adjusts oil cylinder (26), the middle part, front side of arc crossbeam (24) is fixed with auxiliary fixing seat (27), be hinged with connecting rod I (28) on the auxiliary fixing seat (27), the rear end of lift platform (2) is fixed with angular adjustment bar (29), the upper end of angular adjustment bar (29) is hinged with connecting rod II (30), and the two ends of connecting rod I (28) are hinged with the other end of connecting rod II (30) and adjustment oil cylinder (26) respectively;
Supporting mechanism (8) comprises with body platform (1) and is fixed with supporting oil cylinder (31), the upper end of supporting oil cylinder (31) is fixed with supporting extension bar (32), the upper end of supporting extension bar (32) is fixed with supporting connector (33), and the lower end of supporting oil cylinder (31) is fixed with the retaining-plate (34) that is positioned at body platform (1) below;
Be fixed with oil cylinder fixing base (35) on the lift platform (2), be fixed with oscillating oil cylinder (36) on the oil cylinder fixing base (35), oscillating oil cylinder (36) top is connected with and advances platform (37), advance on the platform (37) and be provided with slip planker (38) thereon, planker (38) is upper to be disposed with clino-axis type variable displacement motor (39), reducer (40), oild chuck (41) before rear, advance the front end of platform (37) to be fixed with clamper (42).
2. digging laneway according to claim 1 protrusion-dispelling caterpillar drilling machine, it is characterized in that: hydraulic system comprises the function switching valve (45) that makes a trip, clamper function switching valve (46) and the some main reversing valves (44) that are communicated with hydraulic pump (19), the corresponding hydraulic motor travel motor that connects of two outputs of each main reversing valve (44), turgor cylinder, support cylinder (25), adjust oil cylinder (26), oscillating oil cylinder (36), supporting oil cylinder (31), slush pump (47), clino-axis type variable displacement motor (39), be used for the mobile feeding of control clino-axis type variable displacement motor (39) and work two inputs that pull out oil cylinder (48), be serially connected with one way valve I (49) and one way valve II (17) between clino-axis type variable displacement motor (39) two inputs, be provided with the uniguide (15) that is communicated with both between one way valve I (49) and the one way valve II (17), the end of uniguide (15) is serially connected with hydraulic control one-way valve (16) and choke valve (43), two inputs that feeding works two inputs that pull out oil cylinder (48) and the function switching valve (45) that makes a trip are communicated with, two outputs of the function that makes a trip switching valve (45) respectively with hydraulic control one-way valve (16), the input of oild chuck (41) is communicated with, be provided with the one way valve III (54) that is communicated with both between the function that makes a trip switching valve (45) and the oild chuck (41), uniguide (15) and clamper function switching valve (46), and with one way valve III (54), the input of clamper function switching valve (46) connects, another input of clamper function switching valve (46) is communicated with uniguide (15), the output of clamper function switching valve (46) is communicated with the input of clamper (42), and another input of clamper (42) is communicated with the input of clino-axis type variable displacement motor (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478437 CN202810651U (en) | 2012-09-19 | 2012-09-19 | Outburst prevention crawler drilling machine for excavation roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478437 CN202810651U (en) | 2012-09-19 | 2012-09-19 | Outburst prevention crawler drilling machine for excavation roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202810651U true CN202810651U (en) | 2013-03-20 |
Family
ID=47869549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220478437 Withdrawn - After Issue CN202810651U (en) | 2012-09-19 | 2012-09-19 | Outburst prevention crawler drilling machine for excavation roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202810651U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877788A (en) * | 2012-09-19 | 2013-01-16 | 山西晋城无烟煤矿业集团有限责任公司 | Outburst prevention track drilling machine for laneway excavation |
| CN107542416A (en) * | 2017-10-24 | 2018-01-05 | 安徽理工大学 | Lower beam hydraulic pressure coal ore deposit rig and thereon lower beam method are continuously gone up automatically in a kind of ultralow hole |
| CN113882813A (en) * | 2021-09-01 | 2022-01-04 | 庆阳新庄煤业有限公司新庄煤矿 | Coal mine underground rapid tunneling advanced drilling device and method |
| CN113882813B (en) * | 2021-09-01 | 2024-05-14 | 庆阳新庄煤业有限公司新庄煤矿 | Underground rapid tunneling advanced drilling device and method for coal mine |
-
2012
- 2012-09-19 CN CN 201220478437 patent/CN202810651U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877788A (en) * | 2012-09-19 | 2013-01-16 | 山西晋城无烟煤矿业集团有限责任公司 | Outburst prevention track drilling machine for laneway excavation |
| CN102877788B (en) * | 2012-09-19 | 2015-03-25 | 山西晋城无烟煤矿业集团有限责任公司 | Outburst prevention track drilling machine for laneway excavation |
| CN107542416A (en) * | 2017-10-24 | 2018-01-05 | 安徽理工大学 | Lower beam hydraulic pressure coal ore deposit rig and thereon lower beam method are continuously gone up automatically in a kind of ultralow hole |
| CN113882813A (en) * | 2021-09-01 | 2022-01-04 | 庆阳新庄煤业有限公司新庄煤矿 | Coal mine underground rapid tunneling advanced drilling device and method |
| CN113882813B (en) * | 2021-09-01 | 2024-05-14 | 庆阳新庄煤业有限公司新庄煤矿 | Underground rapid tunneling advanced drilling device and method for coal mine |
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