CN108425690B - Self-moving net, anchor and protection integrated support - Google Patents
Self-moving net, anchor and protection integrated support Download PDFInfo
- Publication number
- CN108425690B CN108425690B CN201810446171.5A CN201810446171A CN108425690B CN 108425690 B CN108425690 B CN 108425690B CN 201810446171 A CN201810446171 A CN 201810446171A CN 108425690 B CN108425690 B CN 108425690B
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- support
- moving
- pushing
- square frame
- anchor
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- 230000007246 mechanism Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000003245 coal Substances 0.000 abstract description 8
- 238000005065 mining Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 9
- 238000004873 anchoring Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/152—Laggings made of grids or nettings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a working face top plate anchor rod supporting device, in particular to a self-moving net, anchor and protection integrated bracket, which comprises a first forward moving support, a second forward moving support, a first pushing support and a second pushing support, wherein the first forward moving support, the second forward moving support, the first pushing support and the second pushing support all comprise cross beams, and two ends of each cross beam are respectively connected with telescopic bracket legs; a movable beam is arranged between the first connecting beams of the first forward support and the second forward support, a movable arm is arranged on the movable beam, a roof bolter is fixed at the free end of the movable arm, racks are paved on the inner sides of the two support legs of the first forward support and below the cross beams, a motor is arranged on the racks, a supporting net is wound on the shaft of the motor, and a forward cantilever is further connected between the cross beams of the first forward support and the second forward support. The invention can realize the net, the anchor and the protection of the working face roof, does not need underground personnel to stand on a coal pile to carry out anchor bolt support on the roof, eliminates potential safety hazards and improves the coal mining efficiency.
Description
Technical Field
The invention relates to a working face top plate anchor rod supporting device, in particular to a self-moving net, anchor and protecting integrated bracket.
Background
The operation performed in the empty roof range is called an empty roof operation. Since roof accidents of roadways mostly occur under the condition of overhead operation, the rule of 41 of the safety code of coal mine: the working face is strictly forbidden to work at the empty roof. In order to avoid overhead operation in the pit, after the upper part of the working face is excavated by the tunneller, underground workers are required to stand on a coal pile at the opening of the working face to carry out anchor bolt support on the top plate, when the anchor bolt support is carried out, the condition that the top plate falls off coal exists, and the underground anchoring operation workers have great potential safety hazards and also influence the coal mining efficiency.
Disclosure of Invention
The invention provides a self-moving net, anchor and protection integrated bracket for solving the problems.
The invention is realized by adopting the following technical scheme: the self-moving net, anchor and support integrated bracket comprises a first forward support, a second forward support, a first pushing support and a second pushing support, wherein the first forward support, the second forward support, the first pushing support and the second pushing support all comprise cross beams, two ends of each cross beam are respectively connected with telescopic bracket legs, the left side and the right side of each cross beam of the first forward support and the right side of each cross beam of the second forward support are respectively connected through a first connecting beam, the left side and the right side of each cross beam of the first pushing support and the right side of each cross beam of the second pushing support are respectively connected through a second connecting beam, pushing beams are inserted into the first connecting beams and the second connecting beams which are positioned on the left side of each cross beam, one end of each pushing beam is fixedly connected with each first connecting beam, a pushing oil cylinder is arranged on each second connecting beam, and a piston rod of each pushing oil cylinder is connected with each pushing beam; a movable beam capable of moving back and forth (the self-moving direction of the integrated bracket is the front-back direction) is arranged between the first connecting beams at the left side and the right side of the cross beam of the first forward support and the second forward support, a movable arm capable of moving left and right and swinging up and down is arranged on the movable beam, a roof bolter is fixed at the free end of the movable arm, racks are paved at the inner sides of the two bracket legs of the first forward support and below the cross beam, a lapping motor capable of moving along the racks is arranged on the racks, a supporting net is wound on the shaft of the lapping motor, a forward-looking connecting beam positioned between the first connecting beams at the left side and the right side is also connected between the cross beams of the first forward support and the second forward-looking support, a forward-looking beam is inserted in the forward-looking connecting beam, a forward-looking oil cylinder is arranged in the forward-looking connecting beam, and a piston rod of the forward-looking oil cylinder is connected with the forward-looking beam.
When the self-moving net, anchor and protection integrated support is in work, the tunneling machine cover is arranged below the self-moving net, anchor and protection integrated support moves forward and anchors and protects the working face along with the digging of the tunneling machine. During anchoring, the lapping motor of the self-moving net, the anchor and the support integrated bracket moves along the rack, the lapping motor starts to move along the bracket leg from the first forward support bracket leg, then moves along the cross beam and finally moves to the other bracket leg, the support net is paved on the side wall and the top plate of a roadway along with the movement of the lapping motor, the forward cantilever in the forward cantilever beam stretches out, the anchoring machine starts to work, the moving arm can swing up and down, the anchoring machine is moved to the top plate position, the anchoring machine drills holes for anchoring, the moving beam can move back and forth, the moving arm can move left and right, the working area of the anchoring machine is paved on the top plate, the bracket moves forward after anchoring, and when moving forward, the bracket legs of the first forward support bracket and the second forward support bracket stretch out and draw back, the bracket legs are separated from the ground, the first forward support and the second forward support are suspended, the pushing cylinder pushes the pushing beam to move forwards, namely the suspended first forward support and second forward support are pushed to move forwards, the support legs of the first forward support and the second forward support stretch after moving in place, the support legs touch the ground, the support legs of the first pushing support and the second pushing support stretch, the support legs leave the ground, the first pushing support and the second pushing support are suspended, the pushing cylinder pulls the suspended first pushing support and the second pushing support to move forwards, after moving in place, the support legs of the first pushing support and the second pushing support stretch to touch the ground, the primary forward process is completed, and the self-moving of the net, the anchor and the support integrated support is circularly realized.
The self-moving net, anchor and protection integrated support comprises the telescopic support legs, wherein the telescopic support legs comprise first square steel pipes, second support leg beams are sleeved in the first square steel pipes, vertical oil cylinders are arranged in the first square steel pipes, piston rods of the oil cylinders are connected with the second support leg beams, the top ends of the second support leg beams are connected with the two ends of the cross beams, and racks are paved on the inner sides of the second support leg beams.
The self-moving net, the anchor and the protection integrated support are characterized in that the first connecting beam is an I-shaped beam, the movable beam capable of moving back and forth comprises a beam body and travelling mechanisms connected to two ends of the beam body, each travelling mechanism comprises a square frame body, pulleys rolling on the beam surface below the I-shaped beam are connected in the square frame body, and a motor for driving the pulleys to roll is fixed on the outer side of the square frame body.
The self-moving net, the anchor and the support are integrated, the beam body of the moving beam is an I-beam, the moving arm moving left and right comprises an arm body and a travelling mechanism connected to the end part of the arm body, the travelling mechanism comprises a first square frame body, a pulley rolling on the beam surface below the I-beam is connected in the first square frame body, a motor for driving the pulley to roll is fixed in the first square frame body, the end part of the arm body is hinged to a second square frame body, the swing of the arm body is driven by a swing cylinder fixed on the outer side of the second square frame body, a pulley support is fixed above the second square frame body, a pulley rolling on the beam surface below the I-beam is arranged on the pulley support, and the pulley support is connected with the first square frame body.
The self-moving net, anchor and protection integrated support comprises a first advancing support, a second advancing support, a telescopic side guard plate, telescopic side oil cylinders, piston rods of the telescopic side oil cylinders and the telescopic side guard plate, wherein the telescopic side guard plate is inserted into two ends of a beam of the first advancing support and the second advancing support respectively. In the forward moving process of the support, after the first forward moving support moves in place, the telescopic side oil cylinder pushes the telescopic side guard plates to prop against the side walls on the two sides of the roadway, so that the first pushing support and the second pushing support are facilitated to move, and after the second pushing support moves in place, the telescopic side oil cylinder pushes the telescopic side guard plates to prop against the side walls on the two sides of the roadway, so that the first forward moving support and the second forward moving support are facilitated to be pushed to move forward.
The invention can realize the net, the anchor and the protection of the working face roof, does not need underground personnel to stand on a coal pile to carry out anchor bolt support on the roof, eliminates potential safety hazards and improves the coal mining efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic diagram of the connection of the movable arm and the movable beam.
Fig. 5 is a schematic diagram showing the connection of the first square frame and the movable beam.
Fig. 6 is a side view of the connection of the movable arm and the movable beam.
In the figure: 1-first forward support, 2-second forward support, 3-first pushing support, 4-second pushing support, 5-forepoling beam, 6-pushing beam, 7-telescopic side guard plate, 8-moving beam, 9-moving arm, 10-first connecting beam, 11-roof bolter, 12-second connecting beam, 13-pushing cylinder, 14-lapping motor, 15-forepoling connecting beam, 16-first square frame, 17-second square frame, 18-pulley bracket and 19-swinging cylinder.
Detailed Description
The utility model provides a self-moving net, anchor, protect integrative support, including first antedisplacement support 1 that from the front to back arranges in proper order, second antedisplacement support 2, first lapse support 3 and second lapse support 4, first antedisplacement support 1, second antedisplacement support 2, first lapse support 3 and second lapse support 4 all include the crossbeam, the crossbeam is the roof beam body that both ends have vertical section, crossbeam inboard corner is circular-arc, be adapted with the motion track of lapping motor 14, the both ends of crossbeam are connected with telescopic support leg respectively, the support leg includes first square steel pipe, first square steel pipe endotheca has the second support leg roof beam, install vertical hydro-cylinder in the first square steel pipe, the piston rod and the second support leg roof beam of hydro-cylinder are connected, the top and the vertical section in crossbeam both ends of second support leg roof beam are connected, flexible side guard plate 7 has still been inserted respectively to first antedisplacement support 1, flexible side hydro-cylinder's piston rod and flexible side guard plate 7 are still installed respectively to crossbeam both ends position department, flexible side hydro-cylinder's piston rod and flexible side guard plate 7 are connected.
The left side and the right side of the cross beams of the first forward support 1 and the second forward support 2 are respectively connected through a first connecting beam 10, the left side and the right side of the cross beams of the first pushing support 3 and the second pushing support 4 are respectively connected through a second connecting beam 12, a pushing beam 6 is inserted into the first connecting beam 10 and the second connecting beam 12 which are positioned at the left side, a pushing beam 6 is inserted into the first connecting beam 10 and the second connecting beam 12 which are positioned at the right side, one end of the pushing beam 6 is fixedly connected with the first connecting beam 10, a pushing cylinder 13 is arranged on the second connecting beam, a piston rod of the pushing cylinder 13 is connected with the pushing beam 6, and the first connecting beam 10 adopts an I-shaped beam.
The movable beam 8 capable of moving back and forth is arranged between the first connecting beams on the left side and the right side of the cross beam of the first forward support 1 and the second forward support 2, the movable beam 8 comprises an I-shaped beam body and travelling mechanisms connected to two ends of the beam body, each travelling mechanism comprises a square frame body, pulleys rolling on the beam surface below the first connecting beam are connected in the square frame body, and a motor for driving the pulleys to roll is fixed on the outer side of the square frame body, and the structure is shown in figure 3.
As shown in fig. 4, 5 and 6, a moving arm 9 capable of moving left and right and swinging up and down is arranged on a moving beam 8, the moving arm 9 capable of moving left and right comprises an arm body and a travelling mechanism connected to the end part of the arm body, the travelling mechanism comprises a first square frame 16, a pulley rolling on the beam surface below the i-beam is connected in the first square frame 16, a motor for driving the pulley to roll is fixed in the first square frame 16, the motor slides on the moving beam 8 through a gear driving pulley, the end part of the arm body is hinged on a second square frame 17, the swinging of the arm body is driven by a swinging oil cylinder 19 fixed on the outer side of the second square frame, a pulley bracket 18 is fixed above the second square frame 17, the pulley bracket 18 is provided with a pulley rolling on the beam surface below the i-beam, and the pulley bracket 18 is in threaded connection with the first square frame 16.
Racks are paved on the inner sides of second support leg beams of two support legs of the first advancing support 1 and below a cross beam, gears matched with the racks are connected on shafts of the lapping motor 14, the gears and the racks are matched to realize that the lapping motor 14 can move along the racks, the lapping motor 14 is supported on the second support leg beams and the cross beam through a frame and pulley structures, the frame can be sleeved on the second support leg beams and the cross beam, pulleys are positioned at two ends of the frame and can slide along the second support leg beams and the cross beam, the lapping motor is arranged on the frame, a supporting net is wound on the shafts of the lapping motor 14, a front-detection connecting beam 15 positioned between the left and right side first connecting beams is further connected between the cross beams of the first advancing support 1 and the second advancing support 2, a front-detection beam 5 is inserted into the front-detection connecting beam 15, a front-detection oil cylinder is arranged in the front-detection connecting beam, a piston rod of the front-detection oil cylinder is connected with the front-detection beam 5, and the front end of the first connecting beam 10 can also be inserted into the front-detection beam 5 and pushed by the front-detection oil cylinder.
Claims (5)
1. The self-moving type net, anchor and support integrated bracket is characterized by comprising a first advancing support (1), a second advancing support (2), a first pushing support (3) and a second pushing support (4), wherein the first advancing support (1), the second advancing support (2), the first pushing support (3) and the second pushing support (4) all comprise cross beams, the cross beams are beam bodies with vertical sections at two ends, the corners of the inner sides of the cross beams are arc-shaped, the two ends of the cross beams are respectively connected with telescopic bracket legs, the left side and the right side of the cross beams of the first advancing support (1) and the second advancing support (2) are respectively connected through a first connecting beam (10), the left side and the right side of the cross beams of the first pushing support (3) and the second pushing support (4) are respectively connected through a second connecting beam (12), the first connecting beam (10) and the second connecting beam (12) on the left side are respectively inserted into a pushing beam (6), and the first pushing beam (6) and the second pushing beam (6) on the right side are respectively inserted into a first connecting beam (10) and a second pushing beam (12), and a piston rod (13) is arranged on the first pushing beam (6) and the piston rod (13); a movable beam (8) capable of moving forwards and backwards is arranged between the first connecting beams at the left side and the right side of the cross beam of the first forward support (1) and the second forward support (2), a movable arm (9) capable of moving leftwards and rightwards and swinging upwards and downwards is arranged on the movable beam (8), a roof bolter (11) is fixed at the free end of the movable arm, racks are paved at the inner sides of two support legs of the first forward support (1) and below the cross beam, a lapping motor (14) capable of moving along the racks is arranged on the racks, a supporting net is wound on the shaft of the lapping motor (14), a forward-looking connecting beam (15) positioned between the first connecting beams at the left side and the right side is further connected between the cross beam of the first forward-looking support (1) and the second forward-looking support (2), a forward-looking beam (5) is inserted in the forward-looking connecting beam, a forward-looking oil cylinder is arranged in the forward-looking connecting beam, and a piston rod of the forward-looking oil cylinder is connected with the forward-looking beam (5).
2. The self-moving net, anchor and support integrated bracket according to claim 1, wherein the telescopic bracket leg comprises a first square steel tube, a second bracket leg beam is sleeved in the first square steel tube, a vertical oil cylinder is arranged in the first square steel tube, a piston rod of the oil cylinder is connected with the second bracket leg beam, the top end of the second bracket leg beam is connected with the two ends of the cross beam, and the rack is paved on the inner side of the second bracket leg beam.
3. The self-moving net, anchor and support integrated bracket according to claim 1 or 2, characterized in that the first connecting beam is an I-beam, the moving beam (8) moving back and forth comprises a beam body and travelling mechanisms connected to two ends of the beam body, the travelling mechanisms comprise square frame bodies, pulleys rolling on the beam surface below the I-beam are connected in the square frame bodies, and motors driving the pulleys to roll are fixed on the outer sides of the square frame bodies.
4. The self-moving net, anchor and support integrated bracket according to claim 1 or 2, characterized in that the beam body of the moving beam (8) is an I-beam, the moving arm (9) moving left and right comprises an arm body and a travelling mechanism connected to the end part of the arm body, the travelling mechanism comprises a first square frame body (16), a pulley rolling on the beam surface below the I-beam is connected in the first square frame body (16), a motor for driving the pulley to roll is fixed in the first square frame body (16), the end part of the arm body is hinged on a second square frame body (17), the swing of the arm body is driven by a swing cylinder (19) fixed outside the second square frame body (17), a pulley bracket (18) is fixed above the second square frame body, a pulley rolling on the beam surface below the I-beam is arranged on the pulley bracket (18), and the pulley bracket (18) is connected with the first square frame body (16).
5. The self-moving net, anchor and support integrated bracket according to claim 1 or 2, characterized in that the two ends of the cross beam of the first advancing support (1) and the second advancing support (4) are respectively inserted with a telescopic side guard plate (7), the two ends of the cross beam are respectively provided with a telescopic side oil cylinder, and the piston rod of the telescopic side oil cylinder is connected with the telescopic side guard plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446171.5A CN108425690B (en) | 2018-05-11 | 2018-05-11 | Self-moving net, anchor and protection integrated support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810446171.5A CN108425690B (en) | 2018-05-11 | 2018-05-11 | Self-moving net, anchor and protection integrated support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108425690A CN108425690A (en) | 2018-08-21 |
| CN108425690B true CN108425690B (en) | 2023-08-29 |
Family
ID=63162645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810446171.5A Active CN108425690B (en) | 2018-05-11 | 2018-05-11 | Self-moving net, anchor and protection integrated support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425690B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529165B (en) * | 2019-09-20 | 2021-02-26 | 北京中矿创新联盟能源环境科学研究院 | Anchor rod/cable drilling and supporting integrated equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710064A (en) * | 1985-04-15 | 1987-12-01 | Stafford Frank K | Movable roof support and bolter system |
| CN102654060A (en) * | 2012-05-23 | 2012-09-05 | 辽宁天安矿山科技有限公司 | Tunnel excavation staggered type supporting device |
| CN103174448A (en) * | 2013-04-15 | 2013-06-26 | 辽宁天安矿山科技有限公司 | In-time supporting method for roadway fully-mechanized excavating operation |
| CN203403900U (en) * | 2013-08-02 | 2014-01-22 | 天地上海采掘装备科技有限公司 | Hoisting self-moving type anchor-rod cable bolting equipment |
| CN205400768U (en) * | 2016-03-14 | 2016-07-27 | 贵州开磷集团股份有限公司 | Anchor rope integration platform truck |
| CN206957709U (en) * | 2017-03-22 | 2018-02-02 | 沈阳重机重矿机械设备制造有限公司 | Using the pick anchoring integral fully-mechanized digging machine of 4 advanced Anchor Cares of jumbolter |
| CN208168897U (en) * | 2018-05-11 | 2018-11-30 | 梁林生 | Automatic moving type net, anchor, shield integral support |
-
2018
- 2018-05-11 CN CN201810446171.5A patent/CN108425690B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710064A (en) * | 1985-04-15 | 1987-12-01 | Stafford Frank K | Movable roof support and bolter system |
| CN102654060A (en) * | 2012-05-23 | 2012-09-05 | 辽宁天安矿山科技有限公司 | Tunnel excavation staggered type supporting device |
| CN103174448A (en) * | 2013-04-15 | 2013-06-26 | 辽宁天安矿山科技有限公司 | In-time supporting method for roadway fully-mechanized excavating operation |
| CN203403900U (en) * | 2013-08-02 | 2014-01-22 | 天地上海采掘装备科技有限公司 | Hoisting self-moving type anchor-rod cable bolting equipment |
| CN205400768U (en) * | 2016-03-14 | 2016-07-27 | 贵州开磷集团股份有限公司 | Anchor rope integration platform truck |
| CN206957709U (en) * | 2017-03-22 | 2018-02-02 | 沈阳重机重矿机械设备制造有限公司 | Using the pick anchoring integral fully-mechanized digging machine of 4 advanced Anchor Cares of jumbolter |
| CN208168897U (en) * | 2018-05-11 | 2018-11-30 | 梁林生 | Automatic moving type net, anchor, shield integral support |
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| Publication number | Publication date |
|---|---|
| CN108425690A (en) | 2018-08-21 |
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