CN212272267U - Soft rock tunnel excavation supporting device - Google Patents
Soft rock tunnel excavation supporting device Download PDFInfo
- Publication number
- CN212272267U CN212272267U CN202020547135.0U CN202020547135U CN212272267U CN 212272267 U CN212272267 U CN 212272267U CN 202020547135 U CN202020547135 U CN 202020547135U CN 212272267 U CN212272267 U CN 212272267U
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- Prior art keywords
- fixed
- screw rod
- supporting device
- soft rock
- tunnel excavation
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Abstract
The utility model belongs to underground works machinery, especially a soft rock tunnel excavation supporting device, it is fixed to current supporting device structure, dismouting and used repeatedly can not relapse, the higher problem of use cost, the following scheme of present proposition, it includes the base, the top fixed mounting of base has two pillars, and the top fixed mounting of two pillars has same fixed plate, and the top fixed mounting of fixed plate has first fixed column, first fixed slot has been seted up on the top of first fixed column, and slidable mounting has first regulation post in the first fixed slot, and the top fixed mounting of first regulation post has first backplate, the slide opening has all been seted up on the both sides inner wall of first fixed slot, and equal slidable mounting has the carriage release lever in two slide openings. The utility model discloses rational in infrastructure, convenient operation, this supporting device structure is nimble, can relapse dismouting and reuse, and use cost is lower, struts effectually.
Description
Technical Field
The utility model relates to an underground works machinery technical field especially relates to a soft rock tunnel excavation supporting device.
Background
The soft rock tunnel is also called soft rock stratum, which not only means the soft rock body of the surrounding rock, but also means the surrounding rock is unstable or extremely unstable, the soft rock is a special rock class, is a complex rock mechanical medium with obvious plastic deformation under a specific environment, and has a soft form from the inherent characteristics of the rock, from the engineering application point of view, it is "weak", entering a tunnel in soft rock conditions, the strength characteristic, the argillaceous content, the structural surface characteristic and the plastic deformation mechanical characteristic of the material have great difference, in the soft rock tunnel excavation process, as the natural stress balance state of the rock mass is damaged, the unloading resilience and stress redistribution of the rock mass around the tunnel are caused, when the rebound stress and the redistribution stress exceed the range which can be borne by the surrounding rock strength, the instability and the damage of the rock mass can be caused, and a supporting device is required to be used for protecting the tunnel;
however, the existing supporting device is fixed in structure, can not be repeatedly disassembled and assembled and reused, and is high in use cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and having the supporting device structure fixed among the prior art, can not relapse dismouting and used repeatedly, the higher shortcoming of use cost, and the soft rock tunnel excavation supporting device who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a soft rock tunnel excavation supporting device comprises a base, wherein two supporting columns are fixedly mounted at the top of the base, the top ends of the two supporting columns are fixedly mounted with the same fixed plate, a first fixed column is fixedly mounted at the top of the fixed plate, a first fixed groove is formed in the top end of the first fixed column, a first adjusting column is slidably mounted in the first fixed groove, a first supporting plate is fixedly mounted at the top end of the first adjusting column, slide holes are formed in the inner walls of the two sides of the first fixed groove, moving rods are slidably mounted in the two slide holes, the ends, close to each other, of the two moving rods are respectively welded on the two sides of the first adjusting column, two air cylinders are fixedly mounted at the top of the fixed plate, output shafts of the air cylinders are fixedly connected to the corresponding moving rods, second fixed columns are fixedly mounted on the sides, far away from each other, of the two, equal slidable mounting has the second to adjust the post in two second fixed slots, and the equal fixed mounting of one end of two second regulation posts has a second to prop up the backplate.
Preferably, a thread groove is formed in one end of the second adjusting column, a lead screw is installed in the thread groove, one end of the lead screw is rotatably installed in the second fixing groove, a worm wheel is fixedly sleeved on the lead screw, a motor is fixedly installed on one side of the second fixing column, a worm is fixedly connected to an output shaft of the motor and meshed with the worm wheel, the motor drives the corresponding worm to rotate, and the worm drives the corresponding worm wheel to rotate.
Preferably, all seted up the spout on the both sides inner wall of second fixed slot, the equal fixed mounting in both sides of second regulation post has the slider, and slider slidable mounting drives the slider and slides in the spout when the second is adjusted the post and is removed in the spout that corresponds, can stabilize the position when the second is adjusted the post and is removed.
Preferably, two grooves are formed in the bottom of the base, the movable plates are arranged in the two grooves in a sliding mode, the two universal wheels are arranged at the bottoms of the two movable plates, the same connecting hole is formed in one inner wall, close to each other, of the two grooves, the connecting plate is arranged in the connecting hole in a sliding mode, the movable plates drive the corresponding universal wheels to move, the universal wheels slide into the corresponding grooves, and the base is attached to the bottom face in the tunnel.
Preferably, the both sides of connecting plate weld respectively on two movable plates, and threaded hole has been seted up to one side of connecting plate, has seted up on the top inner wall of connecting hole and has rotated the hole, rotates downthehole rotation and installs the screw rod, and the screw rod screw thread is installed in the threaded hole, and the one end fixed mounting of screw rod rotates the seat, rotates the seat and rotates and install the top at the base, rotates the seat and drives the screw rod and rotate, and the screw rod drives the connecting plate and removes, and the connecting plate drives two.
Preferably, a rotating groove is formed in the inner wall of the bottom of the connecting hole, one end of the screw rod is rotatably installed in the rotating groove, and the screw rod rotates in the rotating groove to stabilize the position of the screw rod during rotation.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) according to the scheme, the universal wheels can drive the supporting device to move the using position, after the supporting device is moved into a tunnel to be supported, the rotating seat is rotated, the screw rod drives the connecting plate to move, the moving plate drives the corresponding universal wheels to move, the universal wheels slide into the corresponding grooves, the base is attached to the bottom surface in the tunnel, the position of the base can be fixed, the two cylinders drive the corresponding two moving rods to move, and the two moving rods drive the first adjusting column to move;
(2) according to the scheme, the first adjusting column drives the first supporting plate to move, the motor drives the corresponding worm to rotate, the worm wheel drives the corresponding screw rod to rotate, and the second adjusting column drives the corresponding second supporting plate to move, so that the three supporting plates support the tunnel, and different positions are moved to support different tunnels;
the utility model discloses rational in infrastructure, convenient operation, this supporting device structure is nimble, can relapse dismouting and reuse, and use cost is lower, struts effectually.
Drawings
Fig. 1 is a schematic view of a front view structure provided by the present invention;
fig. 2 is a schematic structural view of part a of the present invention;
fig. 3 is a schematic structural diagram of part B of the present invention.
In the figure: 1. a base; 2. a pillar; 3. a first fixed column; 4. a first conditioning column; 5. a first support shield; 6. a travel bar; 7. a cylinder; 8. a second fixed column; 9. a second conditioning column; 10. a second support guard plate; 11. a screw rod; 12. a worm gear; 13. a motor; 14. a worm; 15. moving the plate; 16. a universal wheel; 17. a connecting plate; 18. a screw; 19. and (6) rotating the seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Referring to fig. 1-3, a soft rock tunnel excavation supporting device comprises a base 1, two supporting columns 2 are fixedly installed at the top of the base 1, the top ends of the two supporting columns 2 are fixedly installed with a same fixing plate, a first fixing column 3 is fixedly installed at the top of the fixing plate, a first fixing groove is formed in the top end of the first fixing column 3, a first adjusting column 4 is slidably installed in the first fixing groove, a first supporting plate 5 is fixedly installed at the top end of the first adjusting column 4, sliding holes are formed in the inner walls of the two sides of the first fixing groove, moving rods 6 are slidably installed in the two sliding holes, one ends, close to each other, of the two moving rods 6 are respectively welded on the two sides of the first adjusting column 4, two cylinders 7 are fixedly installed at the top of the fixing plate, the output shafts of the cylinders 7 are fixedly connected to the corresponding moving rods 6, and a second fixing, the second fixed slot has all been seted up to the one end of two second fixed columns 8, and equal slidable mounting has the second in two second fixed slots to adjust post 9, and the equal fixed mounting of the one end of two second regulation posts 9 has a second backplate 10.
In this embodiment, a thread groove is formed in one end of the second adjusting column 9, a screw rod 11 is installed in the thread groove, one end of the screw rod 11 is rotatably installed in the second fixing groove, a worm wheel 12 is fixedly sleeved on the screw rod 11, a motor 13 is fixedly installed on one side of the second fixing column 8, a worm 14 is fixedly connected to an output shaft of the motor 13, the worm 14 is meshed with the worm wheel 12, the motor 13 drives the corresponding worm 14 to rotate, and the worm 14 drives the corresponding worm wheel 12 to rotate.
In this embodiment, all seted up the spout on the both sides inner wall of second fixed slot, the equal fixed mounting in both sides of second regulation post 9 has the slider, and slider slidable mounting drives the slider and slides in the spout when second regulation post 9 removes in the spout that corresponds, can stabilize the position when second regulation post 9 removes.
In this embodiment, two recesses have been seted up to base 1's bottom, and equal slidable mounting has movable plate 15 in two recesses, and two universal wheels 16 are all installed to two movable plate 15's bottom, have seted up same connecting hole on the one side inner wall that two recesses are close to each other, and slidable mounting has connecting plate 17 in the connecting hole, and movable plate 15 drives the universal wheel removal that corresponds, and a plurality of universal wheels slide in the recess that corresponds for bottom surface laminating in base 1 and the tunnel.
In this embodiment, the both sides of connecting plate 17 weld respectively on two movable plates 15, threaded hole has been seted up to one side of connecting plate 17, has seted up on the top inner wall of connecting hole and has rotated the hole, rotate downthehole rotation and install screw rod 18, screw rod 18 screw thread is installed in the threaded hole, the one end fixed mounting of screw rod 18 has a seat 19 of rotating, rotate the seat 19 and rotate and install at the top of base 1, it drives screw rod 18 and rotates to rotate the seat 19, screw rod 18 drives connecting plate 17 and removes, connecting plate 17 drives two movable plates 15 and removes.
In this embodiment, a rotation groove is formed in the inner wall of the bottom of the connection hole, one end of the screw rod 18 is rotatably installed in the rotation groove, and the screw rod 18 rotates in the rotation groove to stabilize the position of the screw rod 18 during rotation.
In the embodiment, the worker checks each part to ensure that the part can be used after no mistake is found, the universal wheels 16 can drive the supporting device to move the using position, the supporting device is moved into the tunnel to be supported, the rotating seat 19 is rotated, the rotating seat 19 drives the screw rod 18 to rotate, the screw rod 18 drives the connecting plate 17 to move, the connecting plate 17 drives the two moving plates 15 to move, the moving plates 15 drive the corresponding universal wheels to move, the universal wheels slide into the corresponding grooves, so that the base 1 is attached to the bottom surface in the tunnel, the position of the base 1 can be fixed, the switch of the two air cylinders 7 is started, the two air cylinders 7 drive the corresponding two moving rods 6 to move, the two moving rods 6 drive the first adjusting columns 4 to move, the first adjusting columns 4 drive the first supporting plate 5 to move, after the first supporting plate 5 moves to be contacted with the inner wall of the top of the tunnel, the air cylinders 7 stop, motor 13 drives the worm 14 that corresponds and rotates, and worm 14 drives the worm wheel 12 that corresponds and rotates, and worm wheel 12 drives the lead screw 11 that corresponds and rotates, and lead screw 11 drives the second regulation post 9 that corresponds and removes, and second regulation post 9 drives the second backplate 10 that corresponds and removes, and two second backplate 10 all with the contact of tunnel inner wall for three backplate is strutted the tunnel, and removes different positions and can strut different tunnels, the utility model discloses rational in infrastructure, convenient operation, this supporting device structure is nimble, can relapse dismouting and reuse, and use cost is lower, struts effectually.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Claims (6)
1. The soft rock tunnel excavation supporting device comprises a base (1) and is characterized in that two supporting columns (2) are fixedly mounted at the top of the base (1), the top ends of the two supporting columns (2) are fixedly mounted with a same fixing plate, a first fixing column (3) is fixedly mounted at the top of the fixing plate, a first fixing groove is formed in the top end of the first fixing column (3), a first adjusting column (4) is slidably mounted in the first fixing groove, a first supporting plate (5) is fixedly mounted at the top end of the first adjusting column (4), sliding holes are formed in the inner walls of the two sides of the first fixing groove, moving rods (6) are slidably mounted in the two sliding holes, one ends, close to each other, of the two moving rods (6) are respectively welded on the two sides of the first adjusting column (4), two air cylinders (7) are fixedly mounted at the top of the fixing plate, and output shafts of the air cylinders (7) are fixedly connected, the equal fixed mounting in one side that two pillars (2) kept away from each other has second fixed column (8), and the second fixed slot has all been seted up to the one end of two second fixed columns (8), and equal slidable mounting has second regulation post (9) in two second fixed slots, and the equal fixed mounting in one end of two second regulation posts (9) has second backplate (10).
2. The soft rock tunnel excavation supporting device according to claim 1, characterized in that one end of the second adjusting column (9) is provided with a thread groove, a screw rod (11) is installed in the thread groove in a threaded manner, one end of the screw rod (11) is rotatably installed in the second fixing groove, a worm wheel (12) is fixedly sleeved on the screw rod (11), a motor (13) is fixedly installed on one side of the second fixing column (8), a worm (14) is fixedly connected to an output shaft of the motor (13), and the worm (14) is meshed with the worm wheel (12).
3. The soft rock tunnel excavation supporting device of claim 1, wherein sliding grooves are formed in the inner walls of the two sides of the second fixing groove, sliding blocks are fixedly mounted on the two sides of the second adjusting column (9), and the sliding blocks are slidably mounted in the corresponding sliding grooves.
4. The soft rock tunnel excavation supporting device of claim 1, characterized in that, two grooves are opened at the bottom of base (1), movable plates (15) are slidably installed in the two grooves, two universal wheels (16) are installed at the bottoms of the two movable plates (15), the same connecting hole is opened on the inner wall of one side where the two grooves are close to each other, and a connecting plate (17) is slidably installed in the connecting hole.
5. The soft rock tunnel excavation supporting device of claim 4, characterized in that, both sides of connecting plate (17) weld respectively on two movable plates (15), and threaded hole has been seted up to one side of connecting plate (17), has seted up on the top inner wall of connecting hole and has rotated the hole, rotates downthehole rotatory screw rod (18) of installing, and screw rod (18) screw thread is installed in the threaded hole, and the one end fixed mounting of screw rod (18) rotates seat (19), rotates seat (19) and rotates and install the top at base (1).
6. The soft rock tunnel excavation support device of claim 4, characterized in that, the inner wall of the bottom of the connecting hole is provided with a rotating groove, and one end of the screw rod (18) is rotatably arranged in the rotating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020547135.0U CN212272267U (en) | 2020-04-14 | 2020-04-14 | Soft rock tunnel excavation supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020547135.0U CN212272267U (en) | 2020-04-14 | 2020-04-14 | Soft rock tunnel excavation supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212272267U true CN212272267U (en) | 2021-01-01 |
Family
ID=73875238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020547135.0U Expired - Fee Related CN212272267U (en) | 2020-04-14 | 2020-04-14 | Soft rock tunnel excavation supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212272267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761689A (en) * | 2021-03-04 | 2021-05-07 | 北京市政建设集团有限责任公司 | Tunnel contact passageway excavation is with strutting arrangement |
-
2020
- 2020-04-14 CN CN202020547135.0U patent/CN212272267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761689A (en) * | 2021-03-04 | 2021-05-07 | 北京市政建设集团有限责任公司 | Tunnel contact passageway excavation is with strutting arrangement |
| CN112761689B (en) * | 2021-03-04 | 2022-12-09 | 北京市政建设集团有限责任公司 | Tunnel contact passageway excavation is with strutting arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 Termination date: 20210414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |