CN115717399A - Mine mountain body reinforcing apparatus - Google Patents
Mine mountain body reinforcing apparatus Download PDFInfo
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- CN115717399A CN115717399A CN202211434725.2A CN202211434725A CN115717399A CN 115717399 A CN115717399 A CN 115717399A CN 202211434725 A CN202211434725 A CN 202211434725A CN 115717399 A CN115717399 A CN 115717399A
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention discloses a mine mountain reinforcing device which comprises a mountain body, a protection mechanism and a limiting mechanism, wherein a plurality of fixing blocks are arranged on the upper end face of the mountain body, and a groove is formed in the upper end face of each fixing block. According to the invention, the rotating gear, the first helical gear and the second helical gear are matched to drive the first worm to rotate, the first worm can drive the bidirectional threaded rod to rotate through the matching arrangement of the first worm gear, the second worm and the second worm gear, and the bidirectional threaded rod can drive the bolt to move and be transversely inserted into the mountain through the first threaded sleeve and the push plate, so that the stability of the fixing block is improved; can play the effect of spacing support through fixed block, solid fixed ring, snap ring and wire rope to the protection network, prevent that the protection network from the slope body landing, improved the fixed effect to the protection network to improved the reinforced effect to the hillside, then fixed the protection network on the slope body through the staple, further improved the steadiness of protection network.
Description
Technical Field
The invention relates to the technical field of mine mountain body reinforcement, in particular to a mine mountain body reinforcement device.
Background
The stone wall left after mining is steep without soil, so that the plants can not grow, and the ecology is difficult to restore naturally. At present, the manual repair technology mainly comprises three types: 1. hanging a net, spraying and sowing, and planting a lawn; 2. building a planting pond planting technology; 3. planting bag or planting block. The net hanging spray-seeding technology is mainly characterized by that on the stone wall a net hanging pile is dug, the plastic or steel net with a certain pore size is fixed on the whole wall by means of net hanging pile, and the stone wall and net have a certain gap, then the gap is filled with fine and uniform soil, and finally the mud mixed with grass seeds is sprayed on the outside of the net, and after a period of maintenance, the whole stone wall is covered with lawn. The net hanging spray seeding technology has two defects which can not be overcome: 1. only lawns can be planted due to shallow soil layers; 2. after two to three years of rain wash, soil between the stone wall and the hanging net is lost, the stone wall and the hanging net are exposed, and ecological restoration fails.
In order to solve the problems, the prior patent with publication number CN113897983A discloses a mountain reinforcing device for mine ecological restoration, which comprises a hanging net and a plurality of protective strips arranged on the hanging net, wherein a plurality of storage parts are fixedly connected in the protective strips, communicating pipes are arranged between adjacent storage parts, and a plurality of through holes are formed in the side walls of the storage parts; the hollow fastening part is fixedly connected to the hanging net, the fastening part is communicated with the protection strip, and the fastening part is communicated with the storage part. The mine reinforcing device is simple in structure, and can be used for reinforcing a mine mountain body, preventing broken stones from falling off from an upper body and restoring the ecological environment of the mine.
Go into the massif through the staple in the above-mentioned technique to fix the string net on the massif slope, but the massif slope all is the rock, and is inconvenient to go into the massif to the staple, considers the hillside rock relatively hard moreover, and the length of staple is generally shorter, and under the effect of external force for a long time, the staple drops from the massif easily, reduces the fixed effect to the string net, thereby has reduced the effect of consolidating to the hillside.
In order to solve the problems, a mine mountain reinforcing device is provided.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the fixing nails are nailed into the mountain body to fix the hanging net on the slope of the mountain body, but the slope of the mountain body is all rock, so that the fixing nails are inconvenient to nail into the mountain body, and the length of the fixing nails is generally short considering that the rock of the mountain slope is hard, so that the fixing nails are easy to fall off from the mountain body under the action of external force for a long time, the fixing effect on the hanging net is reduced, and the effect of reinforcing the mountain slope is reduced, thereby providing the mine mountain body reinforcing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a mine massif reinforcing apparatus, includes massif body, protection machanism and stop gear, the up end of massif body is provided with a plurality of fixed blocks, every the up end of fixed block all sets up flutedly, every all rotate on the inner wall of recess and be connected with the running gear, every the equal fixedly connected with connecting rod of running gear's lower terminal surface, every first cavity has all been seted up in the fixed block, every the lower extreme of connecting rod all runs through first cavity and the first helical gear of fixedly connected with, every equal symmetrical meshing is connected with two second helical gears on the first helical gear, every two the equal fixedly connected with first worm of one side that the second helical gear was carried on the back mutually, every equal meshing is connected with first worm wheel on the first worm, every the equal vertical fixed interlude of center department of first worm wheel has the second worm, every the equal symmetrical fixedly connected with two drill bits of lower terminal surface of fixed block, every the second cavity has all been seted up in the drill bit, every the lower extreme of second worm all runs through the up end face of first cavity and the equal threaded rod of two-way threaded rod of the equal symmetrical threaded rod of the equal threaded rod of two-way threaded rod of the equal threaded connection of the two-way bolt on the two-way threaded rod of the two-way threaded push pedal of the equal threaded rod of the equal meshing is connected with of the two-way threaded rod of the two-way bolt on the two-way bolt.
Preferably, the protection machanism includes a plurality of solid fixed rings, every gu the equal fixed connection of fixed ring is on the lateral wall of fixed block, every gu all be provided with the snap ring on the fixed ring, every equal fixedly connected with wire rope on the lateral wall of snap ring, be provided with the protection network on the lateral wall of massif body, every the equal fixed connection of the other end of wire rope is on the protection network, the protection network is through a plurality of staple fixed connection on the lateral wall of massif body.
Preferably, stop gear includes a plurality of second threaded rods, and is a plurality of the third cavity has all been seted up in the fixed block, every the one end of second threaded rod is all rotated and is connected on the inner wall of third cavity, every all the meshing is connected with the second thread bush on the second threaded rod, every the equal fixedly connected with riser in one side of second thread bush, every the equal fixedly connected with horizontal pole in one side of riser, every the other end of horizontal pole all runs through third cavity and fixedly connected limit tooth plate, every the limit tooth plate all with the running gear between the meshing be connected.
Preferably, it is a plurality of the left end of second threaded rod all runs through third cavity and fixedly connected with handle, every the second threaded rod all rotates to be connected in the inner wall of fixed block, and is a plurality of the equal sliding connection of horizontal pole is in the inner wall of fixed block.
Preferably, it is a plurality of equal two mounting panels of symmetry fixedly connected with on the lateral wall of fixed block, every the mounting panel all through anchor fixed mounting on the up end of massif body, it is a plurality of the connecting rod is all rotated and is connected in the inner wall of fixed block.
Preferably, it is a plurality of equal two backup pads of symmetry fixedly connected with on the inner wall of first cavity, every first worm all rotates to be connected in the backup pad inner wall, per two one end that first worm carried on the back mutually and every the upper end of second worm all rotates to be connected on the inner wall of first cavity, every the lower extreme of second worm all rotates to be connected on the inner wall of second cavity, every the second worm all rotates to be connected in the inner wall of fixed block and drill bit.
Preferably, the upper ends of the rotating gears are fixedly connected with rotating handles, and the upper end faces of the fixing blocks are provided with sealing covers.
Preferably, both ends of each bidirectional threaded rod are rotatably connected to the inner wall of the second cavity, and each plug pin is slidably connected to the inner wall of the drill bit.
Compared with the prior art, the invention has the beneficial effects that:
1. the first worm can be driven to rotate through the matched arrangement of the rotating gear, the first helical gear and the second helical gear, the first worm can drive the bidirectional threaded rod to rotate through the matched arrangement of the first worm gear, the second worm and the second worm gear, and the bidirectional threaded rod can drive the bolt to move and be transversely inserted into the mountain through the first threaded sleeve and the push plate, so that the stability of the fixing block is improved;
2. the fixing block, the fixing ring, the clamp ring and the steel wire rope can be used for limiting and supporting the protective net, the protective net is prevented from sliding off from a slope body, the fixing effect on the protective net is improved, the effect of reinforcing a hillside is improved, and then the protective net is fixed on the slope body through the fixing nail, so that the stability of the protective net is further improved;
3. through the cooperation setting of second threaded rod, second thread bush, riser and push rod, can drive the limit tooth board and remove right and support on rotating gear to prevent that the bolt is not hard up, improve the steadiness of fixed block.
Drawings
Fig. 1 is a schematic front structural view of a mine mountain reinforcing device provided by the invention;
FIG. 2 is an enlarged schematic structural view of a fixing block in the mine mountain reinforcing device provided by the invention;
FIG. 3 is an enlarged schematic structural view of a mine mountain reinforcing apparatus according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 5 is a schematic top view of a rotating handle in the mine mountain reinforcing apparatus according to the present invention.
In the figure: the device comprises a fixing block 1, a fixing nail 2, a rotating gear 3, a first bevel gear 4, a second bevel gear 5, a first worm 6, a first worm wheel 7, a drill bit 8, a second worm 9, a second worm wheel 10, a bidirectional threaded rod 11, a first threaded sleeve 12, a push plate 13, a fixing ring 14, a clamping ring 15, a steel wire rope 16, a protective net 17, an installation plate 18, an anchor 19, a second threaded rod 20, a second threaded sleeve 21, a vertical plate 22, a cross rod 23, a limiting toothed plate 24, a sealing cover 25, a supporting plate 26, a rotating handle 27 and a bolt 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-5, a mine mountain reinforcing device comprises a mountain body, a protection mechanism and a limiting mechanism, wherein a plurality of fixing blocks 1 are arranged on the upper end face of the mountain body, a groove is formed in the upper end face of each fixing block 1, a rotating gear 3 is rotatably connected to the inner wall of each groove, a connecting rod is fixedly connected to the lower end face of each rotating gear 3, a first cavity is formed in each fixing block 1, the lower end of each connecting rod penetrates through the first cavity and is fixedly connected with a first helical gear 4, two second helical gears 5 are symmetrically and fixedly connected to each first helical gear 4, a first worm 6 is fixedly connected to the back side of each two second helical gears 5, a first worm wheel 7 is fixedly connected to each first worm 6 in a meshing manner, a second worm 9 is vertically and fixedly inserted into the center of each first worm wheel 7, two drill bits 8 are symmetrically and fixedly connected to the lower end face of each first helical gear 1, a second cavity is formed in each drill bit 8, the lower end of each second worm 9 penetrates through the first cavity and the upper end face of each drill bit 8, a second worm wheel 9 is symmetrically and is connected to the center of each second worm wheel 10, a second worm is fixedly connected to the second worm, a plug pin 12 is arranged on the second worm wheel 6, a plug pin is horizontally and a plug pin 12 is arranged on the first worm wheel 6, a plug pin 12 is arranged on the second worm wheel 7, a plug pin 12 is arranged on the plug pin 12, a horizontal plug pin 12 is arranged on the plug pin 12, a plug 12 is arranged on the plug 12, a plug 12 on the plug 12, a plug 12 which is fixedly connected to the plug 12 which is arranged on the second worm wheel 6, can drive two-way threaded rod 11 and rotate, two-way threaded rod 11 can drive bolt 28 through first thread bush 12 and push pedal 13 and remove and transversely insert the massif inside to improve the steadiness of fixed block 1, and then play fixed spacing effect to protection network 17.
Wherein, protection machanism includes a plurality of solid fixed rings 14, the equal fixed connection of every solid fixed ring 14 is on the lateral wall of fixed block 1, all be provided with snap ring 15 on every solid fixed ring 14, equal fixedly connected with wire rope 16 on the lateral wall of every snap ring 15, be provided with protection network 17 on the lateral wall of massif body, the equal fixed connection of the other end of every wire rope 16 is on protection network 17, protection network 17 is on the lateral wall of massif body through a plurality of staple 2 fixed connection, through fixed block 1, solid fixed ring 14, snap ring 15 and wire rope 16 can play spacing effect of supporting to protection network 17, prevent that protection network 17 from the slope body landing, the fixed effect to protection network 17 has been improved, thereby the effect of reinforcing the hillside has been improved, then fix protection network 17 on the slope body through staple 2, further improve protection network 17's steadiness.
Wherein, stop gear includes a plurality of second threaded rods 20, the third cavity has all been seted up in a plurality of fixed blocks 1, the one end of every second threaded rod 20 is all rotated and is connected on the inner wall of third cavity, all the meshing is connected with second thread bush 21 on every second threaded rod 20, the equal fixedly connected with riser 22 in one side of every second thread bush 21, the equal fixed connection horizontal pole 23 in one side of every riser 22, the other end of every horizontal pole 23 all runs through third cavity and the spacing pinion rack 24 of fixed connection, every spacing pinion rack 24 all is connected with the meshing between the transmitting gear 3, through second threaded rod 20, second thread bush 21, the cooperation setting of riser 22 and horizontal pole 23, can drive spacing pinion rack 24 and remove and support on transmitting gear 3, thereby prevent bolt 28, not hard up the steadiness that improves fixed block 1.
Wherein, the left end of a plurality of second threaded rods 20 all runs through third cavity and fixedly connected with handle, and every second threaded rod 20 all rotates to be connected in the inner wall of fixed block 1, and the equal sliding connection of a plurality of horizontal poles 23 is in the inner wall of fixed block 1, and second threaded rod 20 can drive the removal of second thread bush 21.
Wherein, equal two mounting panels 18 of symmetry fixedly connected with on the lateral wall of a plurality of fixed blocks 1, every mounting panel 18 all through anchor 19 fixed mounting on the up end of massif body, a plurality of connecting rods all rotate to be connected in the inner wall of fixed block 1, can fix fixed block 1 through anchor 19.
Wherein, equal two backup pads 26 of symmetry fixedly connected with on the inner wall of a plurality of first cavities, every first worm 6 all rotates to be connected in backup pad 26 inner wall, every two first worm 6 one end that back to each other and the upper end of every second worm 9 all rotate to be connected on the inner wall of first cavity, the lower extreme of every second worm 9 all rotates to be connected on the inner wall of second cavity, every second worm 9 all rotates to be connected in the inner wall of fixed block 1 and drill bit 8, backup pad 26 can play the effect of support to first worm 6.
Wherein, the upper ends of a plurality of rotating gears 3 are all fixedly connected with a rotating handle 27, the upper end surfaces of a plurality of fixed blocks 1 are all provided with a sealing cover 25, and the rotating gears 3 can drive the first helical gears 4 to rotate through a connecting rod.
Wherein, the both ends of every two-way threaded rod 11 all rotate to be connected on the inner wall of second cavity, and the equal sliding connection of every bolt 28 is in the inner wall of drill bit 8, and two-way threaded rod 11 can drive first thread bush 12 and move back to back on the other hand.
In the invention, during installation, a fixed block 1 is placed at the top of a mountain body, a drill bit 8 is driven into the mountain body by an iron hammer under the environment of soil on the top of a slope, then an installation plate 18 is fixed on the top of the slope by an anchor 19 to strengthen the fixation of the fixed block 1, then a sealing cover 25 is opened, then a rotating handle 27 is rotated, the rotating handle 27 drives a rotating gear 3 to rotate, the rotating gear 3 drives a first helical gear 4 to rotate, the first helical gear 4 drives a second helical gear 5 to rotate, the second helical gear 5 drives a first worm 6 to rotate, the first worm 6 drives a first worm wheel 7 to rotate, the first worm wheel 7 drives a second worm 9 to rotate, the second worm 9 drives a second worm wheel 10 to rotate, the second worm wheel 10 drives a bidirectional threaded rod 11 to rotate, threads on the left bidirectional threaded rod 11 and the right bidirectional threaded rod 11 are arranged in opposite directions, so that the bidirectional threaded rod 11 drives a first threaded sleeve 12 to move back and forth, the first threaded sleeve 12 drives a push plate 13 to move back and back to the bolt 28 and transversely insert into the mountain body, and further increase the firmness of the fixed block 1;
furthermore, a protective net 17 is laid on a slope body, the upper end of the protective net 17 is fixedly connected with a clamp ring 15 through a steel wire rope 16, then the clamp ring 15 is sleeved on the fixing ring 14, the protective net 17 can be limited and supported through the fixing block 1, the fixing ring 14, the clamp ring 15 and the steel wire rope 16, the protective net 17 is prevented from slipping off the slope body, the fixing effect on the protective net 17 is improved, the effect of reinforcing a hillside is improved, and then the protective net 17 is fixed on the slope body through fixing nails 2, so that the stability of the protective net 17 is further improved;
further, the handle is rotated, the handle can drive the second threaded rod 20 to rotate, the second threaded rod 20 can drive the second threaded sleeve 21 to move rightwards, the second threaded sleeve 21 can drive the vertical plate 22 to drive the transverse rod 23 to move rightwards, the transverse rod 23 can drive the limiting toothed plate 24 to move rightwards and abut against the rotating gear 3 to limit the rotating gear 3, and therefore the fixing block 1 is prevented from loosening, the stability of the protective net 17 is further improved, and the content which is not described in detail in the description belongs to the prior art which is known to the technical staff in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The mine mountain reinforcing device comprises a mountain body, a protection mechanism and a limiting mechanism, and is characterized in that a plurality of fixing blocks (1) are arranged on the upper end face of the mountain body, a groove is formed in the upper end face of each fixing block (1), a rotating gear (3) is rotatably connected to the inner wall of each groove, a connecting rod is fixedly connected to the lower end face of each rotating gear (3) and is arranged in each fixing block (1), a first cavity is formed in each fixing block (1), the lower end of each connecting rod penetrates through the first cavity and is fixedly connected with a first helical gear (4), two second helical gears (5) are symmetrically and fixedly connected to the first helical gears (4) in a meshed manner, a first worm (6) is fixedly connected to one side of each two second helical gears (5) opposite to each other in a meshed manner, a first worm wheel (7) is fixedly connected to the lower end face of each first worm (6) in a meshed manner, a second worm (9) is vertically and fixedly inserted into the center of each first worm wheel (7), two worm screws (8) are fixedly connected to the lower end face of each fixing block (1), two drill bits (10) are inserted into the center of each second worm wheel (9) in each two worm (8), two worm screws are inserted into the center of each two worm gear (10) and each drill bit (9) is inserted into the two worm gear (10) in each two worm gear inserted into the second worm gear (9), every equal symmetrical meshing is connected with two first thread bushings (12), every on two-way threaded rod (11) the equal fixedly connected with push pedal (13) in one side of first thread bushing (12), it is a plurality of equal fixedly connected with bolt (28) in one side that push pedal (13) carried on the back mutually, every the other end of bolt (28) all runs through the second cavity.
2. The mine mountain reinforcing device according to claim 1, wherein the protection mechanism comprises a plurality of fixing rings (14), each fixing ring (14) is fixedly connected to a side wall of a fixing block (1), each fixing ring (14) is provided with a snap ring (15), each side wall of the snap ring (15) is fixedly connected with a steel wire rope (16), a protection net (17) is arranged on a side wall of the mountain body, the other end of each steel wire rope (16) is fixedly connected to the protection net (17), and the protection net (17) is fixedly connected to the side wall of the mountain body through a plurality of fixing nails (2).
3. The mine mountain reinforcing device according to claim 1, wherein the limiting mechanism comprises a plurality of second threaded rods (20), a third cavity is formed in each of the plurality of fixing blocks (1), one end of each second threaded rod (20) is rotatably connected to the inner wall of the third cavity, each second threaded rod (20) is connected with a second threaded sleeve (21) in a meshed mode, a vertical plate (22) is fixedly connected to one side of each second threaded sleeve (21), a cross rod (23) is fixedly connected to one side of each vertical plate (22), the other end of each cross rod (23) penetrates through the third cavity and is fixedly connected with a limiting toothed plate (24), and each limiting toothed plate (24) is connected with the rotating gear (3) in a meshed mode.
4. The mine mountain reinforcing device according to claim 3, wherein the left ends of the second threaded rods (20) penetrate through the third cavity and are fixedly connected with handles, each second threaded rod (20) is rotatably connected to the inner wall of the fixing block (1), and the cross rods (23) are slidably connected to the inner wall of the fixing block (1).
5. The mine mountain reinforcing device according to claim 1, wherein two mounting plates (18) are symmetrically and fixedly connected to the side walls of the fixing blocks (1), each mounting plate (18) is fixedly mounted on the upper end surface of the mountain body through an anchor (19), and the connecting rods are rotatably connected to the inner walls of the fixing blocks (1).
6. The mine mountain reinforcing device according to claim 1, wherein two supporting plates (26) are symmetrically and fixedly connected to the inner walls of the first cavities, each first worm (6) is rotatably connected to the inner wall of each supporting plate (26), one end of each first worm (6) opposite to the other end of each first worm and the upper end of each second worm (9) are rotatably connected to the inner wall of each first cavity, the lower end of each second worm (9) is rotatably connected to the inner wall of each second cavity, and each second worm (9) is rotatably connected to the inner walls of the fixing block (1) and the drill bit (8).
7. The mine mountain reinforcing device according to claim 1, wherein a rotating handle (27) is fixedly connected to each of upper ends of the plurality of rotating gears (3), and a sealing cover (25) is arranged on each of upper end surfaces of the plurality of fixing blocks (1).
8. The mine mountain reinforcement according to claim 1, characterized in that each of the two-way threaded rods (11) is rotatably connected at both ends to the inner wall of the second cavity, and each of the pins (28) is slidably connected in the inner wall of the drill bit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434725.2A CN115717399A (en) | 2022-11-16 | 2022-11-16 | Mine mountain body reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434725.2A CN115717399A (en) | 2022-11-16 | 2022-11-16 | Mine mountain body reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115717399A true CN115717399A (en) | 2023-02-28 |
Family
ID=85256752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211434725.2A Withdrawn CN115717399A (en) | 2022-11-16 | 2022-11-16 | Mine mountain body reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115717399A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575483A (en) * | 2023-03-22 | 2023-08-11 | 中铁西南科学研究院有限公司 | Mountain reinforcing device for ecological restoration of mine |
-
2022
- 2022-11-16 CN CN202211434725.2A patent/CN115717399A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575483A (en) * | 2023-03-22 | 2023-08-11 | 中铁西南科学研究院有限公司 | Mountain reinforcing device for ecological restoration of mine |
| CN116575483B (en) * | 2023-03-22 | 2024-02-23 | 中铁西南科学研究院有限公司 | Mountain reinforcing device for ecological restoration of mine |
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Application publication date: 20230228 |
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