CN114382496A - Mining tunnel deep hole micro shield equipment - Google Patents
Mining tunnel deep hole micro shield equipment Download PDFInfo
- Publication number
- CN114382496A CN114382496A CN202210159776.2A CN202210159776A CN114382496A CN 114382496 A CN114382496 A CN 114382496A CN 202210159776 A CN202210159776 A CN 202210159776A CN 114382496 A CN114382496 A CN 114382496A
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- Prior art keywords
- ball seat
- pipeline
- expansion device
- hole
- ball
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- 238000005065 mining Methods 0.000 title claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 52
- 239000002893 slag Substances 0.000 claims abstract description 38
- 239000013049 sediment Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 239000003818 cinder Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 claims 3
- 230000000994 depressogenic effect Effects 0.000 claims 2
- 239000003921 oil Substances 0.000 description 34
- 239000011148 porous material Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention belongs to the technical field of tunnel drilling equipment, and particularly relates to mining tunnel deep hole micro shield equipment, which comprises: power host computer, stay tube, step-by-step system, transfer to system and drilling aircraft nose, the power host computer includes: the drilling machine comprises a hydraulic station and a control center, wherein a supporting pipe is arranged between a power main machine and a stepping system, an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline are arranged in the supporting pipe, the stepping system is used for driving a direction adjusting system and a drilling machine head to advance, a rotatable cutter head is arranged at the front end of the drilling machine head, a micro impactor is arranged on the cutter head, and the direction adjusting system is used for adjusting the direction of the drilling machine head.
Description
Technical Field
The invention belongs to the technical field of tunnel drilling equipment, and particularly relates to mining tunnel deep hole micro shield equipment.
Background
When a harder tunnel of coal mine rock is drilled, the hardness of a rock hole is high, the abrasion speed of a drill bit is high, the cost is high, if deep hole drilling is carried out, due to the fact that the hole depth is continuously increased, a drill rod is gradually lengthened, the friction force between the drill rod and a hole channel and the power required by drilling are continuously increased, the energy consumption of a drilling machine is greatly improved, the productivity is low, the input energy is large, the labor intensity is high, and in addition, the severe working environment brings great pressure and threat to the safety production of the coal mine.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the mining underground tunnel deep hole micro shield equipment which can be used for drilling rock strata and coal seams, wherein the drilling hole diameter can reach phi 200 and 500mm, and the hole passage depth can reach 3000 m.
In order to solve the technical problems, the invention adopts the technical scheme that:
mining gallery deep hole miniature shield constructs equipment includes: power host computer, stay tube, step-by-step system, transfer to system and drilling aircraft nose, the power host computer includes: the hydraulic power station comprises a hydraulic station and a control center, wherein the hydraulic station is used for providing power for a stepping system, a direction adjusting system and a hydraulic device of a drilling machine head, the control center is used for controlling the stepping system, the direction adjusting system and the drilling machine head to work, a supporting pipe is arranged between a power host and the stepping system, an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline are arranged in the supporting pipe, the hydraulic pipeline is used for providing hydraulic oil for hydraulic equipment in the stepping system, the direction adjusting system and the drilling machine head, the electric signal pipeline is used for providing electric energy and working signals for the stepping system, the direction adjusting system and the drilling machine head, the supporting pipe is used for supporting a formed pore passage and protecting various pipelines at the same time, the stepping system is used for driving the direction adjusting system and the drilling machine head to advance, and a rotatable cutter head is arranged at the front end of the drilling machine head, can set up the ring gear on the inner end face of blade disc, it is rotatory by hydraulic motor, gear drive, rotatable blade disc is the mature technique in this field, does not do detailed description here so, be provided with miniature impacter on the blade disc, still be provided with a plurality of row's cinder holes on the blade disc, row's cinder hole with arrange the sediment pipeline and be linked together, the work of drilling under the ore deposit often adopts the mode of mud row sediment, and the disintegrating slag mud that the driller head during operation produced transports through row's cinder hole, row's sediment pipeline, the system of turning to is used for adjusting the direction of driller head.
The stepping system comprises: preceding expansion device, propulsion cylinder and back expansion device, preceding expansion device includes: the central frame is of a frame structure in a shape like a Chinese character 'kou', the middle of the central frame is used for penetrating through an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline, a plurality of supporting oil cylinders are arranged at two side ends of the central frame, cylinder bodies of the supporting oil cylinders are vertically fixed on the side end faces of the central frame, the end parts of piston rods of the supporting oil cylinders positioned on the same side are connected with one supporting frame, the end face of the supporting frame, which deviates from the central frame, is in a circular arc shape, the structure of the rear expansion device is the same as that of the front expansion device, the central frame of the rear expansion device is connected with the central frame of the front expansion device through a plurality of propulsion oil cylinders, the central frame of the rear expansion device is connected with the supporting tubes, the central frame of the front expansion device is connected with a direction adjusting system, and in a stepping system, the front expansion device and the rear expansion device both adopt a structure of the center frame and the support frames on two sides, so that when the support frames expand and extrude the inner wall of the pore channel, the center frame is still positioned in the middle of the pore channel, and the center frames of the front expansion device and the rear expansion device are always aligned.
And a telescopic corrugated pipe is further arranged between the front expansion device and the rear expansion device and is used for sleeving the electric signal pipeline, the hydraulic pipeline and the slag discharge pipeline.
And two supporting oil cylinders are arranged on one side end face of the central frame and are respectively positioned on the upper part and the lower part of the side end face.
The direction adjusting system comprises: a front ball seat, a centering ball, a rear ball seat and an adjusting oil cylinder, wherein the front ball seat and the rear ball seat are integrally in a square structure, the front ball seat is connected with the rear ball seat through four adjusting oil cylinders, the cylinder body of each adjusting oil cylinder is connected with the rear ball seat through a universal joint, the piston rod of the adjusting oil cylinder is connected with the front ball seat through a universal joint, the four adjusting oil cylinders are respectively positioned at four corners of the end surface of the ball seat, the connecting end surfaces of the front ball seat and the rear ball seat are provided with spherical concave parts, a centering ball is arranged between the two spherical concave parts, the front ball seat, the centering ball and the rear ball seat are all provided with through holes along the direction of the central axis, the through holes are used for passing through an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline, one end of the front ball seat, which deviates from the centering ball, is connected with the drilling machine head, and one end of the rear ball seat, which deviates from the centering ball, is connected with the center frame of the front expansion device.
The through via includes: ball seat pore and centering ball pore, preceding ball seat, back ball seat all are provided with the ball seat pore, be provided with the centering ball pore in the centering ball, the diameter in centering ball pore is greater than the diameter in ball seat pore, the size in ball seat pore and centering ball pore is set for according to actual working conditions, makes the accent is to system during operation, ball seat pore and centering ball pore can not cause the card to die because of the pipeline in it, and the restriction is transferred to.
The stay tube is formed by splicing a plurality of supporting sub-tubes in sequence, the two ends of each supporting sub-tube are provided with connecting joints, and the electric signal pipeline, the hydraulic pipeline and the slag discharge pipeline can be spliced and prolonged.
The inner end face of the cutter head is also provided with a disintegrating slag collecting cover which is a conical structure with openings at two ends, the opening with the large diameter of the disintegrating slag collecting cover is fixedly connected with the inner end face of the cutter head, the plurality of slag discharging holes are communicated with the disintegrating slag collecting cover, and the opening with the small diameter of the disintegrating slag collecting cover is rotatably connected with a slag discharging pipeline.
Compared with the prior art, the invention has the following beneficial effects.
Firstly, the invention is provided with the stepping system, the direction adjusting system and the drilling machine head are driven to advance by the stepping system, and compared with the traditional drilling mode of a drill rod, the invention avoids the friction between the drill rod and a pore channel and saves more energy.
The support tube is arranged, and the support tube can support the pipeline after the drilling machine head finishes drilling.
The direction adjusting system is arranged, the drilling direction of the drilling machine head can be adjusted, the target displacement of drilling work is reduced, and the drilling work is more accurate.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a stepping system according to the present invention.
Fig. 3 is a schematic view of the construction of a front expansion device according to the present invention.
Fig. 4 is a schematic structural diagram of the direction-adjusting system of the present invention.
FIG. 5 is a cross-sectional view of the direction-adjusting system of the present invention.
Fig. 6 is a schematic structural diagram of the drill head of the present invention.
In the figure: the device comprises a support pipe 1, a stepping system 2, a direction adjusting system 3, a drilling head 4, a slag discharge pipeline 11, a front expansion device 21, a propulsion oil cylinder 22, a rear expansion device 23, a telescopic corrugated pipe 24, a front ball seat 31, a centering ball 32, a rear ball seat 33, an adjusting oil cylinder 34, a universal joint 35, a ball seat hole 36, a centering ball hole 37, a cutter head 41, a miniature impactor 42, a slag discharge hole 43, a slag collecting cover 44, a center frame 211, a support frame 212 and a support oil cylinder 213.
Detailed Description
The following is a further description with reference to specific examples.
As shown in fig. 1, the mining tunnel deep hole micro shield device includes: power host computer, stay tube 1, step-by-step system 2, transfer to system 3 and driller head 4, the power host computer includes: hydraulic pressure station and control center, the hydraulic pressure station be used for step-by-step system, transfer to the hydraulic means of system and drilling head provide power, control center is used for controlling step-by-step system, transfer to system and drilling head work, be provided with stay tube 1 between engine and the step-by-step system 2, be provided with electric signal pipeline, hydraulic pressure pipeline and row's sediment pipeline 11 in the stay tube 1, stay tube 1 is formed by a plurality of support subducts concatenation in proper order, the both ends of support subduct all are provided with attach fitting, electric signal pipeline, hydraulic pressure pipeline and row's sediment pipeline all can splice the extension, step-by-step system 2 is used for driving transfer to system 3 and drilling head 4 and advance, the front end of drilling head 4 is provided with rotatable blade disc 41, be provided with miniature impacter 42 on the outer terminal surface of blade disc 41, still be provided with a plurality of row's sediment hole 43 on the blade disc 41, the slag discharge hole 43 is communicated with the slag discharge pipeline 11, and the direction adjusting system 3 is used for adjusting the direction of the drilling machine head 4.
As shown in fig. 2 and 3, the stepping system includes: a front expansion device 21, a propulsion cylinder 22 and a rear expansion device 23, wherein the front expansion device 21 comprises: the central frame 211 is of a frame structure in a shape like a Chinese character 'kou', the middle of the central frame 211 is used for penetrating through an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline, two side ends of the central frame 211 are respectively provided with two supporting oil cylinders 213, the cylinder bodies of the supporting oil cylinders 213 are vertically fixed on the side end face of the central frame 211, the two supporting oil cylinders 213 are respectively positioned at the upper part and the lower part of the side end face, the end parts of the piston rods of the two supporting oil cylinders 213 positioned at the same side are both connected with one supporting frame 212, the end face of the supporting frame 212 departing from the central frame 211 is in an arc shape, the structure of the rear expansion device 23 is the same as that of the front expansion device 21, the central frame of the rear expansion device 23 is connected with the central frame of the front expansion device 21 through two propulsion oil cylinders 22, and the central frame of the rear expansion device 23 is connected with the supporting tube 1, the center frame of the front expansion device 21 is connected with the direction adjusting system 3, a telescopic corrugated pipe 24 is further arranged between the front expansion device 21 and the rear expansion device 22, and the telescopic corrugated pipe 24 is used for sleeving the electric signal pipeline, the hydraulic pipeline and the slag discharging pipeline.
As shown in fig. 4 and 5, the direction-adjusting system 3 includes: the ball seat structure comprises a front ball seat 31, a centering ball 32, a rear ball seat 33 and an adjusting oil cylinder 34, wherein the front ball seat 31 and the rear ball seat 33 are integrally of a square structure, the front ball seat 31 and the rear ball seat 33 are connected through four adjusting oil cylinders 34, the cylinder body of the adjusting oil cylinder 34 is connected with the rear ball seat through a universal joint 35, the piston rod of the adjusting oil cylinder 34 is connected with the front ball seat 31 through the universal joint 35, the four adjusting oil cylinders 34 are respectively positioned at four corners of the end surface of the ball seat, the connected end surfaces of the front ball seat 31 and the rear ball seat 33 are respectively provided with a spherical concave part, the centering ball 32 is arranged between the two spherical concave parts, the front ball seat 31, the centering ball 32 and the rear ball seat 33 are provided with through holes along the direction of a central axis, the through holes are used for passing through an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline, one end of the front ball seat 31 departing from the centering ball 32 is connected with the drilling machine head 4, the end of the rear ball seat 32 facing away from the centering ball 32 is connected to the central frame of the front expansion means 21.
The through via includes: the ball seat structure comprises a ball seat hole passage 36 and a centering ball hole passage 37, wherein the front ball seat 31 and the rear ball seat 33 are both provided with the ball seat hole passage 36, the centering ball 32 is provided with the centering ball hole passage 37, and the diameter of the centering ball hole passage 37 is larger than that of the ball seat hole passage 36.
As shown in fig. 6, the inner end surface of the cutter head 41 is further provided with a disintegrating slag collecting cover 44, the disintegrating slag collecting cover 44 is a conical structure with openings at two ends, the opening with the large diameter of the disintegrating slag collecting cover 44 is fixedly connected with the inner end surface of the cutter head 41, the plurality of slag discharging holes 43 are communicated with the disintegrating slag collecting cover 44, and the opening with the small diameter of the disintegrating slag collecting cover 44 is rotatably connected with the slag discharging pipeline 11.
The working principle of the invention is as follows:
the invention provides a micro shield device, wherein a power host comprises: the hydraulic system comprises a hydraulic station and a control center, wherein the hydraulic station is used for providing power for hydraulic devices of the stepping system, the direction adjusting system and the drilling machine head, the control center is used for controlling the stepping system, the direction adjusting system and the drilling machine head to work, a supporting pipe is used for protecting various pipelines, meanwhile, the supporting pipe can support a formed hole channel to prevent the hole channel from collapsing, the direction adjusting system and the drilling machine head are driven by the stepping system to advance in the hole channel, and the drilling machine head performs drilling operation.
The working principle of the stepping system is as follows: when the drilling operation is carried out, the supporting oil cylinders on two sides of the rear expansion device extend out, the supporting frames on two sides are abutted against the inner wall of the pore channel to fix the position of the rear expansion device, the supporting oil cylinders on two sides of the front expansion device are in a withdrawing state at the moment, the propulsion oil cylinders gradually extend out to drive the front expansion device, the direction adjusting system and the drilling machine head to advance, and at the moment, a cutter head of the drilling machine head rotates and the micro impactor works; when the propulsion oil cylinder reaches the maximum stroke, the drilling work is finished, the supporting oil cylinders on the two sides of the front expansion device extend out, the supporting frames on the two sides abut against the inner wall of the pore channel to fix the position of the front expansion device, the supporting oil cylinders on the two sides of the rear expansion device contract, the propulsion oil cylinder contracts to drive the rear expansion device to advance, and the supporting pipes and various pipelines are lengthened by workers in time.
The working principle of the direction adjusting system is as follows: the front ball seat and the rear ball seat are connected through four adjusting oil cylinders, two ends of each adjusting oil cylinder are connected with the end face of the ball seat through universal joints, a worker adjusts an included angle between the front ball seat and the rear ball seat by controlling the stroke of each adjusting oil cylinder, the relation between the stroke change of each adjusting oil cylinder and the change of the included angle is measured in advance, and an adjusting program is stored in a control center; the movement of the front ball seat and the rear ball seat is guided by arranging the centering ball.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (8)
1. Mining gallery deep hole miniature shield constructs equipment, its characterized in that includes: power host computer, stay tube (1), step-by-step system (2), transfer to system (3) and drilling head (4), the power host computer includes: hydraulic pressure station and control center, the hydraulic pressure station be used for step-by-step system (2), transfer to the hydraulic means of system (3) and drilling machine head (4) provide power, control center is used for controlling step-by-step system (2), transfer to system (3) and drilling machine head (4) work, be provided with between engine and step-by-step system (2) stay tube (1), be provided with signal of telecommunication pipeline, hydraulic pressure pipeline and sediment pipeline (11) in stay tube (1), step-by-step system (2) are used for driving transfer to system (3) and drilling machine head (4) and advance, the front end of drilling machine head (4) is provided with rotatable blade disc (41), be provided with miniature impacter (42) on the outer terminal surface of blade disc (41), still be provided with a plurality of row cinder holes (43) on blade disc (41), row cinder hole (43) with sediment pipeline (11) are linked together, the direction adjusting system (3) is used for adjusting the direction of the drilling machine head (4).
2. The mining excavation deep-hole micro shield apparatus of claim 1, wherein the stepping system comprises: a front expansion device (21), a propulsion cylinder (22) and a rear expansion device (23), the front expansion device (21) comprising: center frame (211), support frame (212) and support cylinder (213), center frame (211) is the frame construction of "mouth" style of calligraphy, the middle part of center frame (211) is used for running through electric signal pipeline, hydraulic pressure pipeline and row's sediment pipeline, the both sides end of center frame (211) all is provided with a plurality of support cylinder (213), the cylinder body vertical fixation of support cylinder (213) in the side end face of center frame (211), the piston rod tip that lies in a plurality of support cylinder (213) with one side all is connected with a support frame (212), the terminal surface that support frame (212) deviates from center frame (211) is circular-arc, the structure of back expansion device (23) with preceding expansion device (21) the structure is the same, the center frame of back expansion device (23) with be connected through a plurality of propulsion cylinder (22) between the center frame of preceding expansion device (21), the center frame of the rear expansion device (23) is connected with the supporting pipe (1), and the center frame of the front expansion device (21) is connected with the direction adjusting system (3).
3. The mining gallery deep hole micro shield equipment according to claim 1, wherein a telescopic corrugated pipe (24) is further arranged between the front expansion device (21) and the rear expansion device (22), and the telescopic corrugated pipe (24) is used for sleeving the electric signal pipeline, the hydraulic pipeline and the slag discharge pipeline.
4. The mining gallery deep hole micro shield equipment according to claim 3, characterized in that one side end face of the center frame (211) is provided with two support cylinders (213), and the two support cylinders (213) are respectively located at the upper part and the lower part of the side end face.
5. The mining excavation deep-hole micro-shield apparatus according to claim 4, wherein the steering system (3) comprises: preceding ball seat (31), centering ball (32), back ball seat (33) and regulation hydro-cylinder (34), preceding ball seat (31), back ball seat (33) wholly are square body column structure, be connected through four regulation hydro-cylinder (34) between preceding ball seat (31) and back ball seat (33), the cylinder body of regulation hydro-cylinder (34) pass through universal joint (35) with the back ball seat is connected, the piston rod of regulation hydro-cylinder (34) pass through universal joint (35) with preceding ball seat (31) are connected, four regulation hydro-cylinder (34) are located four corners of ball seat terminal surface respectively, the terminal surface that is connected of preceding ball seat (31) and back ball seat (33) all is provided with the globular depressed part, two be provided with centering ball (32) between the globular depressed part, preceding ball seat (31), centering ball (32) and back ball seat (33) are provided with the through-hole along the direction of the central axis, the through hole is used for penetrating an electric signal pipeline, a hydraulic pipeline and a slag discharge pipeline, one end of the front ball seat (31) deviating from the centering ball (32) is connected with the drilling machine head (4), and one end of the rear ball seat (32) deviating from the centering ball (32) is connected with a center frame of the front expansion device (21).
6. The mining excavation deep-hole micro shield apparatus of claim 5, wherein the through-going through-hole comprises: the ball seat structure comprises a ball seat hole (36) and a centering ball hole (37), wherein the front ball seat (31) and the rear ball seat (33) are both provided with the ball seat hole (36), the centering ball hole (37) is formed in the centering ball (32), and the diameter of the centering ball hole (37) is larger than that of the ball seat hole (36).
7. The mining gallery deep hole micro shield equipment according to claim 1, wherein the supporting pipe (1) is formed by sequentially splicing a plurality of supporting sub-pipes, connecting joints are arranged at two ends of each supporting sub-pipe, and the electric signal pipeline, the hydraulic pipeline and the slag discharge pipeline can be spliced and extended.
8. The mining tunnel deep hole micro shield equipment according to claim 1, characterized in that the inner end face of the cutter head (41) is further provided with a slag collecting cover (44), the slag collecting cover (44) is a conical structure with openings at two ends, the opening with the large diameter of the slag collecting cover (44) is fixedly connected with the inner end face of the cutter head (41), the plurality of slag discharging holes (43) are communicated with the slag collecting cover (44), and the opening with the small diameter of the slag collecting cover (44) is rotatably connected with the slag discharging pipeline (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159776.2A CN114382496A (en) | 2022-02-22 | 2022-02-22 | Mining tunnel deep hole micro shield equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210159776.2A CN114382496A (en) | 2022-02-22 | 2022-02-22 | Mining tunnel deep hole micro shield equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114382496A true CN114382496A (en) | 2022-04-22 |
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|---|---|---|---|
| CN202210159776.2A Pending CN114382496A (en) | 2022-02-22 | 2022-02-22 | Mining tunnel deep hole micro shield equipment |
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| CN (1) | CN114382496A (en) |
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| CN215565940U (en) * | 2021-09-02 | 2022-01-18 | 江苏神盾工程机械有限公司 | Mining rock roadway heading machine |
| CN217107013U (en) * | 2022-02-22 | 2022-08-02 | 山西开源益通矿业设备制造有限公司 | Mining gallery deep hole miniature shield equipment |
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