CN112412503A - Coal mine safety supporting device - Google Patents
Coal mine safety supporting device Download PDFInfo
- Publication number
- CN112412503A CN112412503A CN202011309855.4A CN202011309855A CN112412503A CN 112412503 A CN112412503 A CN 112412503A CN 202011309855 A CN202011309855 A CN 202011309855A CN 112412503 A CN112412503 A CN 112412503A
- Authority
- CN
- China
- Prior art keywords
- rod
- fixing plate
- coal mine
- plate
- arch frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008093 supporting effect Effects 0.000 title claims abstract description 29
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21D11/155—Laggings made of strips, slats, slabs or sheet piles
-
- 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
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- 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
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
- E21D15/50—Component parts or details of props
-
- 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
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a coal mine safety supporting device, which comprises an arch center, wherein two ends of the arch center are connected with the top of a fixing plate, a plurality of anchor rods penetrate through the arch center and the fixing plate, a plurality of limiting assemblies for preventing the displacement of the arch center and the fixing plate are arranged on the outer walls of the fixing plate and the arch center at intervals, waterproof plates are connected to the inner walls of the arch center and the fixing plate, and a reinforcing assembly for reinforcing the arch center and the connection between the fixing plate and the inner wall of a tunnel is arranged between the fixing plates below the arch center; the reinforcing component comprises a base, a second telescopic rod is installed at the top of the base, a first telescopic rod is installed at the tail of the base, the reinforcing component and the limiting component are matched for use during use, the fixing strength of the arch frame and the fixing plate can be improved, and the phenomena of skew, bending, deformation and other damage caused by uneven stress on the arch frame and the fixing plate are avoided, so that the service lives of the arch frame and the fixing plate are prolonged, the safety of the supporting device during use is improved, and the supporting device is convenient to use.
Description
Technical Field
The invention relates to the technical field of coal mine safety, in particular to a coal mine safety supporting device.
Background
Most of coal mine production is underground operation, geological and mining conditions are complex and changeable, unsafe factors are many, the coal mine production is often threatened by actual hazards such as gas, coal dust, water fire, a roof plate and the like, the danger directly influences the life safety of workers, especially in the danger, the roof plate is most dangerous to collapse, and if once the workers are in danger, the consequences are serious.
The existing supporting device fixes the arch centering through the anchor rod, so that the arch centering supports the top plate, the fixing strength of the arch centering is limited, and in the using process, the arch centering body is easy to generate damage phenomena such as skew, bending and deformation due to uneven stress, so that the supporting effect is weaker, and potential safety hazards exist.
To the above problems, a coal mine safety support device is designed at present.
Disclosure of Invention
The invention aims to provide a coal mine safety support device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a coal mine safety supporting device comprises an arch center, wherein two ends of the arch center are connected with the top of a fixing plate, a plurality of anchor rods penetrate through the arch center and the fixing plate, a plurality of limiting assemblies for preventing the arch center and the fixing plate from moving are arranged on the outer wall of the fixing plate and the arch center at intervals, waterproof plates are connected to the inner walls of the arch center and the fixing plate, and a reinforcing assembly for reinforcing the arch center and the connection between the fixing plate and the inner wall of a tunnel is arranged between the fixing plates below the arch center;
the reinforced component comprises a base, a second telescopic rod is installed at the top of the base, a first telescopic rod is installed at the tail of the base, the output ends of the first telescopic rod and the second telescopic rod are respectively connected with a third supporting plate and a first supporting plate which are attached to the inner wall of a fixed plate and the middle of an arch frame, two mounting plates are symmetrically arranged at the bottom of the first supporting plate along the second telescopic rod, two connecting rods are connected to the mounting plates in a rotating mode, and two ends of the head of the base are connected with supporting rods which are used for fixing the rotating angles of the connecting rods in a.
As a further scheme of the invention: one end of the connecting rod, which is far away from the mounting plate, is fixedly connected with a second abutting plate which is attached to the shape of the joint of the fixing plate and the arch frame.
As a still further scheme of the invention: the support rod comprises a first moving rod and a second moving rod, a connecting ring is arranged between the first moving rod and the second moving rod, a screw rod is fixedly connected to the center of one side, close to the second moving rod, of the first moving rod, a connecting groove is formed in the second moving rod, the connecting groove is communicated with one side, close to the first moving rod, of the second moving rod, and first threads used for being connected with the screw rod are arranged in the connecting groove.
As a still further scheme of the invention: the connecting ring is characterized in that a clamping groove detachably connected with the first moving rod is formed in one side, close to the first moving rod, of the connecting ring, a sliding block rotatably connected with the second moving rod is arranged on one side, close to the second moving rod, of the connecting ring, a through hole convenient for the screw to penetrate through is formed in the center of the connecting ring, second threads matched with the screw to use are arranged in the through hole, and the clamping groove is communicated with the through hole.
As a still further scheme of the invention: and a limiting sliding groove for sliding connection with the sliding block is formed in one side of the second moving rod around the connecting groove.
As a still further scheme of the invention: one end of the first moving rod, which is far away from the second moving rod, is fixedly connected with a supporting block, and a supporting groove for connecting the connecting rod with the supporting block is arranged on the connecting rod.
As a still further scheme of the invention: the bottom of the first abutting plate is provided with a first mounting groove used for connecting with the output end of the second telescopic rod.
As a still further scheme of the invention: the base top center is equipped with the second mounting groove that the installation second telescopic link was used, base head and afterbody both sides are equipped with the third mounting groove that the installation was used to the pole.
As a still further scheme of the invention: the limiting assembly comprises a limiting block connected with the inner wall of the tunnel, a through groove convenient for the anchor rod to penetrate is formed in the middle of the limiting block, and limiting grooves connected with the limiting block are formed in the fixing plate and the arch frame.
Compared with the prior art, the invention has the beneficial effects that:
1. when the supporting device is used, the reinforcing component and the limiting component are matched, so that the fixing strength of the arch center and the fixing plate can be improved, and the damage phenomena of skew, bending, deformation and the like of the arch center and the fixing plate due to uneven stress are avoided, so that the service lives of the arch center and the fixing plate are prolonged, the safety of the supporting device in use is improved, and the supporting device is convenient to use.
2. The inner walls of the arch frame and the fixed plate are supported by the first telescopic rod, the second telescopic rod, the abutting rod, the first abutting plate, the second abutting plate and the third abutting plate in a matched mode, and in the using process, the connecting strength of the first abutting plate, the second abutting plate and the third abutting plate with the arch frame and the fixed plate can be adjusted by adjusting the lengths of the first telescopic rod, the second telescopic rod and the abutting rod, so that the stability of the supporting device in use is improved, and the supporting device is convenient for workers to maintain.
3. According to the invention, the first telescopic rod, the second telescopic rod and the abutting rod are conveniently and safely fixed through the arrangement of the base, the problem that the first telescopic rod, the second telescopic rod and the abutting rod are inconvenient to recycle after being used due to the fact that the first telescopic rod, the second telescopic rod and the abutting rod are fixed through concrete in the prior art is solved, the working efficiency of workers is improved, and a large amount of time cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a coal mine safety support device.
Fig. 2 is a schematic structural diagram of a reinforcing component in a coal mine safety support device.
Fig. 3 is a schematic diagram of the internal structure of a support rod in a coal mine safety support device.
Fig. 4 is a schematic three-dimensional structure diagram of a support rod in a coal mine safety support device.
Fig. 5 is a schematic structural diagram of a base in a coal mine safety support device.
In the figure: 1, fixing a plate; 2, an arch frame; 3, a limiting block; 4, anchoring the bolt; 5, penetrating a groove; 6, limiting grooves; 7, waterproof board; 8, a first butting plate; 9, a first mounting groove; 10, a connecting rod; 11, a second butting plate; 12, a support rod; 121, a block is resisted; 122, a first travel bar; 123, a connecting ring; 124, a slider; 125, a screw; 126, a first thread; 127, a second travel bar; 128, a card slot; 129, a second thread; 13, a second mounting groove; 14, a third butting plate; 15, a first telescopic rod; 16, a base; 17, a second telescopic rod; 18, a third mounting groove; and 19, mounting the plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, in the embodiment of the invention, a coal mine safety supporting device comprises an arch frame 2, two ends of the arch frame 2 are connected with the top of a fixing plate 1, a plurality of anchor rods 4 penetrate through the arch frame 2 and the fixing plate 1, a plurality of limiting assemblies for preventing the arch frame 2 and the fixing plate 1 from moving are arranged on the outer walls of the fixing plate 1 and the arch frame 2 at intervals, waterproof plates 7 are connected on the inner walls of the arch frame 2 and the fixing plate 1, a reinforcing assembly for reinforcing the connection between the arch frame 2 and the fixing plate 1 and the inner wall of a tunnel is arranged between the fixing plates 1 below the arch frame 2, the fixing strength of the arch frame 2 and the fixing plate 1 can be improved through the matching use of the reinforcing assembly and the limiting assemblies, the phenomena of skew, bending, deformation and the like of the arch frame 2 and the fixing plate 1 caused by uneven stress are avoided, and the service lives of the arch frame 2 and the fixing, the safety of this supporting device when using is improved, convenient to use.
The reinforcing component comprises a base 16, a second telescopic rod 17 is installed at the top of the base 16, a first telescopic rod 15 is installed at the tail of the base 16, the output ends of the first telescopic rod 15 and the second telescopic rod 17 are respectively connected with a third abutting plate 14 and a first abutting plate 8 which are attached to the inner wall of the fixed plate 1 and the middle of the arch center 2, two mounting plates 19 are symmetrically arranged at the bottom of the first abutting plate 8 along the second telescopic rod 17, connecting rods 10 are rotatably connected onto the two mounting plates 19, abutting rods 12 which fix the rotating angles of the connecting rods 10 are rotatably connected to the two ends of the head of the base 16, a second abutting plate 11 which is attached to the connecting part of the fixed plate 1 and the arch center 2 in shape is fixedly connected to one end of the connecting rod 10 far away from the mounting plates 19, and the reinforcing component is used by matching the first telescopic rod 15, the second telescopic rod 17, the abutting rods 12, the first abutting, come to support bow member 2 and fixed plate 1 inner wall, in the use, can adjust the joint strength of first butt plate 8, second butt plate 11 and third butt plate 14 and bow member 3 and fixed plate 2 through adjusting the length of first telescopic link 15, second telescopic link 17 and butt rod 12 to stability when having improved this strutting arrangement use, the staff of being convenient for maintains.
The resisting rod 12 comprises a first moving rod 122 and a second moving rod 127, a connecting ring 123 is arranged between the first moving rod 122 and the second moving rod 127, a screw 125 is fixedly connected to the center of one side of the first moving rod 122 close to the second moving rod 127, a connecting groove is arranged in the second moving rod 127, the connecting groove is communicated with one side of the second moving rod 127 close to the first moving rod 122, a first thread 126 for connecting with the screw 125 is arranged in the connecting groove, a clamping groove 128 for detachably connecting with the first moving rod 122 is arranged on one side of the connecting ring 123 close to the first moving rod 122, a sliding block 124 for rotatably connecting with the second moving rod 127 is arranged on one side of the connecting ring 123 close to the second moving rod 127, a through hole for the screw 125 to pass through is arranged in the center of the connecting ring 123, a second thread 129 matched with the screw 125 is arranged in the through hole, and the clamping groove 128 is communicated with the through hole, the connecting device is characterized in that a limiting sliding groove for sliding connection with the sliding block 124 is formed in one side of the second moving rod 127 around the connecting groove, the first moving rod 122 is far away from one end of the second moving rod 127 and is fixedly connected with the abutting block 121, the connecting rod 10 is provided with an abutting groove for connection with the abutting block 121, when the connecting device is used, the length of the abutting rod 12 can be adjusted by rotating the connecting ring 123, so that the second abutting plate 11 on the connecting rod 123 is tightly attached to the waterproof plate 7, the problem that the supporting effect is reduced due to looseness of the second abutting plate 11 during long-time use is solved, and the connecting device is convenient to.
First 8 bottoms of supporting plate are equipped with the first mounting groove 9 of being connected usefulness with the output of second telescopic link 17, 16 top central authorities of base are equipped with the second mounting groove 13 that installation second telescopic link 17 was used, 16 head of base and afterbody both sides are equipped with the third mounting groove 18 that the installation was supported pole 12 and was used, spacing subassembly includes the stopper 3 with tunnel inner wall connection, stopper 3 middle part is equipped with the groove 5 of wearing that the stock 4 of being convenient for passed, be equipped with the spacing groove of being connected with stopper 3 on fixed plate 1 and the bow member 2, improved the stability of structure.
The working principle of the invention is as follows: when in use, the limiting block 3 is connected with the inner wall of the tunnel, the fixing plate 1 and the arch frame 2 are installed, the limiting grooves 6 on the fixing plate 1 and the arch frame 2 are connected with the limiting block 3, then the fixing plate is reinforced through the anchor rod 4, the waterproof plate 7 is filled, the inner walls of the arch frame 2 and the fixing plate 1 are supported through the matching use of the first telescopic rod 15, the second telescopic rod 17, the abutting rod 12, the first abutting plate 8, the second abutting plate 11 and the third abutting plate 14, the connection strength of the first abutting plate 8, the second abutting plate 11 and the third abutting plate 14 with the arch frame 3 and the fixing plate 2 is adjusted through adjusting the lengths of the first telescopic rod 15, the second telescopic rod 17 and the abutting rod 12, so that the stability of the supporting device in use is improved, the maintenance is convenient for workers, the fixing strength of the arch frame 2 and the fixing plate 1 can be improved through the arrangement of the first abutting plate 8, the second abutting plate 11 and the third abutting plate 14, the damage phenomena of skew, bending, deformation and the like of the arch frame 2 and the fixing plate 1 caused by uneven stress are avoided, so that the service lives of the arch frame 2 and the fixing plate 1 are prolonged, and the safety of the supporting device in use is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A coal mine safety supporting device comprises an arch frame (2), wherein two ends of the arch frame (2) are connected with the top of a fixing plate (1), a plurality of anchor rods (4) penetrate through the arch frame (2) and the fixing plate (1), and the coal mine safety supporting device is characterized in that a plurality of limiting assemblies for preventing the arch frame (2) and the fixing plate (1) from moving are arranged on the outer walls of the fixing plate (1) and the arch frame (2) at intervals, waterproof plates (7) are connected to the inner walls of the arch frame (2) and the fixing plate (1), and reinforcing assemblies for reinforcing the arch frame (2) and the fixing plate (1) and the tunnel inner wall are arranged between the fixing plates (1) below the arch frame (2);
the reinforcement assembly comprises a base (16), a second telescopic rod (17) is installed at the top of the base (16), a first telescopic rod (15) is installed at the tail of the base (16), the output ends of the first telescopic rod (15) and the second telescopic rod (17) are respectively connected with a third support plate (14) and a first support plate (8) which are attached to the middle of an inner wall of a fixing plate (1) and an arch frame (2), two mounting plates (19) are symmetrically arranged at the bottom of the first support plate (8) along the second telescopic rod (17), two connecting rods (10) are connected to the mounting plates (19) in a rotating mode, and the two ends of the head of the base (16) are rotatably connected with support rods (12) which are used for fixing the connecting rods (10) through rotating.
2. The coal mine safety support device according to claim 1, wherein one end of the connecting rod (10) far away from the mounting plate (19) is fixedly connected with a second abutting plate (11) which is matched with the shape of the joint of the fixing plate (1) and the arch frame (2).
3. The coal mine safety support device according to claim 1, wherein the resisting rod (12) comprises a first moving rod (122) and a second moving rod (127), a connecting ring (123) is arranged between the first moving rod (122) and the second moving rod (127), a screw rod (125) is fixedly connected to the center of one side, close to the second moving rod (127), of the first moving rod (122), a connecting groove is arranged in the second moving rod (127), the connecting groove is communicated with one side, close to the first moving rod (122), of the second moving rod (127), and a first thread (126) for connecting with the screw rod (125) is arranged in the connecting groove.
4. The coal mine safety support device according to claim 3, wherein a clamping groove (128) for detachably connecting with the first moving rod (122) is formed in one side, close to the first moving rod (122), of the connecting ring (123), a sliding block (124) for rotatably connecting with the second moving rod (127) is formed in one side, close to the second moving rod (127), of the connecting ring (123), a through hole for allowing the screw rod (125) to penetrate through is formed in the center of the connecting ring (123), a second thread (129) matched with the screw rod (125) is formed in the through hole, and the clamping groove (128) is communicated with the through hole.
5. The coal mine safety support device according to claim 4, wherein one side of the second movable rod (127) around the connecting groove is provided with a limiting sliding groove for sliding connection with the sliding block (124).
6. The coal mine safety support device according to claim 3, wherein one end of the first movable rod (122) far away from the second movable rod (127) is fixedly connected with a resisting block (121), and a resisting groove for connecting the resisting block (121) is formed in the connecting rod (10).
7. The coal mine safety support device according to claim 1, wherein a first mounting groove (9) for connecting with the output end of the second telescopic rod (17) is formed at the bottom of the first abutting plate (8).
8. The coal mine safety support device according to claim 1, wherein a second mounting groove (13) for mounting a second telescopic rod (17) is formed in the center of the top of the base (16), and third mounting grooves (18) for mounting the abutting rods (12) are formed in the two sides of the head and the tail of the base (16).
9. The coal mine safety support device according to claim 1, characterized in that the limiting component comprises a limiting block (3) connected with the inner wall of the tunnel, a through groove (5) convenient for the anchor rod (4) to pass through is arranged in the middle of the limiting block (3), and limiting grooves (6) connected with the limiting block (3) are arranged on the fixing plate (1) and the arch centering (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309855.4A CN112412503B (en) | 2020-11-20 | 2020-11-20 | Colliery safety support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309855.4A CN112412503B (en) | 2020-11-20 | 2020-11-20 | Colliery safety support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112412503A true CN112412503A (en) | 2021-02-26 |
| CN112412503B CN112412503B (en) | 2023-05-05 |
Family
ID=74774837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011309855.4A Active CN112412503B (en) | 2020-11-20 | 2020-11-20 | Colliery safety support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112412503B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027471A (en) * | 2021-03-30 | 2021-06-25 | 中交一公局集团有限公司 | Collapsible loess stratum subway tunnel earth pressure balance shield construction method |
| CN113585107A (en) * | 2021-08-23 | 2021-11-02 | 武汉科技大学 | Restoration reinforcing apparatus of ancient building shelter bridge |
| CN114197383A (en) * | 2021-12-30 | 2022-03-18 | 中国水利水电第十二工程局有限公司 | Hydraulic and hydroelectric engineering gate slot second-stage concrete dismantling device and method |
| CN115085390A (en) * | 2022-07-27 | 2022-09-20 | 中国矿业大学(北京) | Multi-source coupled waste mine pumped storage system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160102552A1 (en) * | 2015-12-17 | 2016-04-14 | Caterpillar Global Mining America Llc | Temporary roof support system with anti-rotation feature |
| CN109681253A (en) * | 2019-02-27 | 2019-04-26 | 太原理工大学 | A kind of underground deep wall rock supporting novel anchor rod |
| CN210343397U (en) * | 2019-04-01 | 2020-04-17 | 中国科学院武汉岩土力学研究所 | Anchor rod |
| CN210768846U (en) * | 2019-08-08 | 2020-06-16 | 张雁军 | Coal mine excavation roadway support device |
| CN211171961U (en) * | 2019-11-30 | 2020-08-04 | 王之强 | Fill out compound stock of soil slope support |
| CN211397585U (en) * | 2019-12-06 | 2020-09-01 | 安徽建筑大学 | Tunnel reinforcing device |
-
2020
- 2020-11-20 CN CN202011309855.4A patent/CN112412503B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160102552A1 (en) * | 2015-12-17 | 2016-04-14 | Caterpillar Global Mining America Llc | Temporary roof support system with anti-rotation feature |
| CN109681253A (en) * | 2019-02-27 | 2019-04-26 | 太原理工大学 | A kind of underground deep wall rock supporting novel anchor rod |
| CN210343397U (en) * | 2019-04-01 | 2020-04-17 | 中国科学院武汉岩土力学研究所 | Anchor rod |
| CN210768846U (en) * | 2019-08-08 | 2020-06-16 | 张雁军 | Coal mine excavation roadway support device |
| CN211171961U (en) * | 2019-11-30 | 2020-08-04 | 王之强 | Fill out compound stock of soil slope support |
| CN211397585U (en) * | 2019-12-06 | 2020-09-01 | 安徽建筑大学 | Tunnel reinforcing device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027471A (en) * | 2021-03-30 | 2021-06-25 | 中交一公局集团有限公司 | Collapsible loess stratum subway tunnel earth pressure balance shield construction method |
| CN113027471B (en) * | 2021-03-30 | 2021-11-30 | 中交一公局集团有限公司 | Collapsible loess stratum subway tunnel earth pressure balance shield construction method |
| CN113585107A (en) * | 2021-08-23 | 2021-11-02 | 武汉科技大学 | Restoration reinforcing apparatus of ancient building shelter bridge |
| CN113585107B (en) * | 2021-08-23 | 2022-10-04 | 武汉科技大学 | Restoration reinforcing apparatus of ancient building shelter bridge |
| CN114197383A (en) * | 2021-12-30 | 2022-03-18 | 中国水利水电第十二工程局有限公司 | Hydraulic and hydroelectric engineering gate slot second-stage concrete dismantling device and method |
| CN115085390A (en) * | 2022-07-27 | 2022-09-20 | 中国矿业大学(北京) | Multi-source coupled waste mine pumped storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112412503B (en) | 2023-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112412503A (en) | Coal mine safety supporting device | |
| CN209538693U (en) | A kind of template single side bracing | |
| CN202266277U (en) | Contractible strut for U-shaped shed support | |
| CN209761464U (en) | Supporting safety protection device for underground mining | |
| CN204921009U (en) | Coal mine tunnel struts support | |
| CN202273691U (en) | Resistance increasing pressure-resistant type roadway support | |
| CN214273676U (en) | Colliery tunnel supporting construction of prevention roof rockfall | |
| LU102077B1 (en) | Anchor and shotcrete mesh shell support system for coal mine roadway | |
| CN210396760U (en) | Assembled supporting system for diversion tunnel construction | |
| CN203891905U (en) | Leg-free shed support | |
| CN202266280U (en) | A retractable breast beam used for supporting a U-shaped shed | |
| CN211420835U (en) | Novel cross shear force props connection device | |
| CN210370726U (en) | Underground coal mine support device | |
| CN215170034U (en) | Coal mine safety supporting device | |
| CN208587175U (en) | A kind of prestressed structure of prestressed anchor | |
| CN205135677U (en) | Three -section prestressing force stock that shears | |
| CN105626103A (en) | Asymmetric supporting device of gob side entry | |
| CN112031840A (en) | Novel '110 worker method' fender waste rock supporting construction | |
| CN218759912U (en) | Supporting construction suitable for unfavorable geology tunnel intersection point | |
| CN204920995U (en) | Shaft bottom is strutted with contractible connecting device of I -steel | |
| CN210460708U (en) | Reinforcing supporting single-column type large-tonnage top cutting support used after top cutting | |
| CN219412626U (en) | Auxiliary supporting device for heading machine | |
| CN218669417U (en) | Coal mine safety supporting device | |
| CN220184431U (en) | A supporting beam for assembled steel construction building | |
| CN204876353U (en) | Glass fiber muscle of diameter difference and connection structure of reinforcing bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |