CN220645984U - Collapse-preventing supporting structure for tunnel construction - Google Patents
Collapse-preventing supporting structure for tunnel construction Download PDFInfo
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- CN220645984U CN220645984U CN202321857100.7U CN202321857100U CN220645984U CN 220645984 U CN220645984 U CN 220645984U CN 202321857100 U CN202321857100 U CN 202321857100U CN 220645984 U CN220645984 U CN 220645984U
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- fixedly connected
- tunnel construction
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- frame
- supporting
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 abstract description 15
- 238000005381 potential energy Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of tunnel construction, and discloses an anti-slump supporting structure for tunnel construction. According to the collapse-preventing supporting structure for tunnel construction, through the arrangement, impact force can be converted into elastic potential energy of the first spring and the second spring, meanwhile, the elastic potential energy can be converted into friction heat energy through sliding friction force of the round block, the protection frame can also push the limiting block to conduct sliding friction on the inner wall of the fixed frame, the purpose of energy conversion is achieved, generated elastic potential energy is counteracted, counteracting of the impact force is achieved, good buffering performance is achieved, the anti-seismic purpose is achieved, and stability of the device in the use process is further enhanced.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an anti-collapse supporting structure for tunnel construction.
Background
The tunnel construction refers to a general term of construction methods, construction technologies and construction management for constructing tunnels and underground caverns.
The utility model provides a collapse preventing support device for tunnel construction, which is disclosed in a patent net and comprises a bottom plate, an anti-falling mechanism, a support mechanism and an adjusting mechanism, wherein the anti-collapse supporting device for tunnel construction is described in an authorized bulletin number of CN 217327331U; the anti-falling mechanism comprises a supporting box and a sliding column, wherein the bottom of the supporting box is fixedly connected with the top of the bottom plate, and the inside of the supporting box is in sliding connection with the inside of the sliding column; the bottoms of the first support frame and the second support frame are fixedly connected with the top of the sliding column; the adjusting mechanism is arranged on one side of the supporting box and comprises a fixed column and a sliding rod, and the inside of the fixed column is in sliding connection with the outer side of the sliding rod. The anti-collapse supporting device for tunnel construction solves the problems that the existing anti-collapse supporting devices for tunnel construction are inconvenient to adjust the height of the supporting device and inconvenient to fix when in use, and the application range and safety are reduced.
In light of the foregoing, the applicant believes that the following drawbacks exist:
the collapse-preventing support device for tunnel construction reduces the application range and the safety in the use process, but generates impact force when stones collapse and fall in the tunnel construction process, and the device lacks the function of buffering and anti-seismic, so that the device is likely to deform, scatter and the like under the action of the impact force, thereby not achieving good protection effect and reducing the practicability of the device.
Disclosure of Invention
The utility model aims to provide an anti-slump support structure for tunnel construction, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the collapse-preventing supporting structure for tunnel construction comprises a supporting frame, wherein a fixed box is fixedly connected to the top of the supporting frame, an adjusting mechanism is arranged in the fixed box, a buffer mechanism is arranged at the top of the adjusting mechanism, and a protecting frame is arranged at the top of the buffer mechanism;
the buffer mechanism comprises a fixed cylinder, the fixed cylinder is arranged at the top of the adjusting mechanism, a first spring is fixedly connected to the inner wall of the fixed cylinder, a round block is fixedly connected to the top end of the first spring, a supporting shaft is fixedly connected to the top of the round block, a second spring is sleeved on the outer wall of the supporting shaft, a fixed frame is arranged at the top of the adjusting mechanism, a limiting block is fixedly connected to the bottom of the protecting frame, and the limiting block is slidably connected to the inner wall of the fixed frame.
Preferably, the sliding hole is formed in the top of the fixed cylinder, and the support shaft is connected to the top of the fixed cylinder in a sliding manner through the formed sliding hole, so that the support shaft can stably move through the sliding hole.
Preferably, the round block is slidably connected to the inner wall of the fixed cylinder, and the top end of the supporting shaft is fixedly connected with the bottom of the protecting frame, so that the protecting frame can push the round block to stably slide through the supporting shaft in the descending process.
Preferably, the second spring is fixedly connected to the top end of the fixed cylinder, and one end of the second spring, which is far away from the top end of the fixed cylinder, is fixedly connected with the bottom of the protection frame, so that the protection frame can stably slide, and the purpose of energy conversion is achieved.
Preferably, the adjustment mechanism comprises a motor, motor fixedly connected with is fixed bottom of the case portion, motor output fixedly connected with threaded rod, threaded rod outer wall threaded connection has the screw thread board, screw thread board top fixedly connected with spacing axle, spacing axle top fixedly connected with backup pad to can realize supporting the adjustment of protection height to the protection frame.
Preferably, the top end of the threaded rod is rotationally connected with the top of the inner wall of the fixed box, the bottom of the fixed box is provided with a through hole, and the threaded rod is rotationally connected with the inner wall of the fixed box to support the threaded rod so that the threaded rod can stably rotate.
Preferably, the backup pad top and fixed frame bottom fixed connection, fixed section of thick bamboo fixed connection is in the backup pad top, the round hole has been seted up at fixed box top, spacing axle runs through fixed box top through the round hole of seting up to make the screw thread board can drive spacing axle and rise through the round hole, realize driving the effect that the protection frame goes up and down.
Compared with the prior art, the utility model provides the collapse-preventing supporting structure for tunnel construction, which has the following beneficial effects:
1. according to the collapse-preventing supporting structure for tunnel construction, through the arrangement, impact force can be converted into elastic potential energy of the first spring and the second spring, meanwhile, the elastic potential energy can be converted into friction heat energy through sliding friction force of the round block, the protection frame can also push the limiting block to conduct sliding friction on the inner wall of the fixed frame, the purpose of energy conversion is achieved, generated elastic potential energy is counteracted, counteracting of the impact force is achieved, good buffering performance is achieved, the anti-seismic purpose is achieved, and stability of the device in the use process is further enhanced.
2. According to the collapse-preventing supporting structure for tunnel construction, through the arrangement, the two motors are started to work, the threaded plate can drive the supporting plate to ascend through the limiting shaft, the supporting and protecting height of the protecting frame is adjusted, and therefore the device can be suitable for tunnel construction scenes with different heights, and the soul performance of the device is enhanced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a bottom view of the structure of the present utility model;
FIG. 3 is a schematic view of an exploded structure of a guard frame;
fig. 4 is a left side cross-sectional view of the structure of the present utility model.
Fig. 5 is a sectional view of the stationary cylinder.
In the figure: 1. a support frame; 2. a protective frame; 3. a buffer mechanism; 31. a fixed cylinder; 32. round blocks; 33. a first spring; 34. a support shaft; 35. a second spring; 36. a fixed frame; 37. a limiting block; 4. an adjusting mechanism; 41. a motor; 42. a threaded rod; 43. a thread plate; 44. a limiting shaft; 45. a support plate; 5. and fixing the box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides the following technical scheme:
example 1
Referring to fig. 1 to 5, a slump-proof supporting structure for tunnel construction comprises a supporting frame 1, wherein a fixed box 5 is fixedly connected to the top of the supporting frame 1, an adjusting mechanism 4 is arranged in the fixed box 5, a buffer mechanism 3 is arranged at the top of the adjusting mechanism 4, and a protection frame 2 is arranged at the top of the buffer mechanism 3;
the buffer mechanism 3 comprises a fixed cylinder 31, the fixed cylinder 31 is arranged at the top of the adjusting mechanism 4, a first spring 33 is fixedly connected to the inner wall of the fixed cylinder 31, a round block 32 is fixedly connected to the top end of the first spring 33, a supporting shaft 34 is fixedly connected to the top of the round block 32, a second spring 35 is sleeved on the outer wall of the supporting shaft 34, a fixed frame 36 is arranged at the top of the adjusting mechanism 4, a limiting block 37 is fixedly connected to the bottom of the protecting frame 2, and the limiting block 37 is slidably connected to the inner wall of the fixed frame 36.
Further, the top of the fixed cylinder 31 is provided with a sliding hole, and the support shaft 34 is slidably connected to the top of the fixed cylinder 31 through the sliding hole, so that the support shaft 34 can stably move through the sliding hole.
Further, the round block 32 is slidably connected to the inner wall of the fixed cylinder 31, and the top end of the supporting shaft 34 is fixedly connected to the bottom of the protection frame 2, so that the protection frame 2 can push the round block 32 to slide stably through the supporting shaft 34 during the descending process.
Further, the second spring 35 is fixedly connected to the top end of the fixed cylinder 31, and one end, far away from the top end of the fixed cylinder 31, of the second spring 35 is fixedly connected with the bottom of the protection frame 2, so that the protection frame 2 can stably slide, and the purpose of energy conversion is achieved.
Example two
Referring to fig. 1 to 5, on the basis of the first embodiment, it is further obtained that the adjusting mechanism 4 includes a motor 41, the motor 41 is fixedly connected to the bottom of the fixed box 5, an output end of the motor 41 is fixedly connected with a threaded rod 42, an outer wall of the threaded rod 42 is in threaded connection with a threaded plate 43, a top of the threaded plate 43 is fixedly connected with a limiting shaft 44, and a top end of the limiting shaft 44 is fixedly connected with a supporting plate 45, so that adjustment of supporting and protecting height of the protecting frame 2 can be achieved.
Further, the top end of the threaded rod 42 is rotatably connected with the top of the inner wall of the fixed box 5, a through hole is formed in the bottom of the fixed box 5, the threaded rod 42 is rotatably connected with the inner wall of the fixed box, and the threaded rod 42 is supported so that the threaded rod 42 can stably rotate.
Further, the top of the supporting plate 45 is fixedly connected with the bottom of the fixed frame 36, the fixed cylinder 31 is fixedly connected to the top of the supporting plate 45, a round hole is formed in the top of the fixed box 5, and the limiting shaft 44 penetrates through the top of the fixed box 5 through the formed round hole, so that the threaded plate 43 can drive the limiting shaft 44 to ascend through the round hole, and the effect of driving the protecting frame 2 to ascend and descend is achieved.
In the actual operation process, when the device is used, slight collapse may exist in the tunnel construction process, the protection frame 2 can play a role in protection, meanwhile, a stone falling downwards due to collapse can apply downward impact force to the protection frame 2, at the moment, the impact force can push the protection frame 2 to move downwards to compress the second spring 35, meanwhile, the supporting shaft 34 can push the round block 32 to slide on the inner wall of the fixed cylinder 31, the round block 32 can compress the first spring 33 while sliding, the impact force can be converted into elastic potential energy of the first spring 33 and the second spring 35, meanwhile, the elastic potential energy can be converted into friction heat energy through the sliding friction force of the round block 32, the protection frame 2 can push the limiting block 37 to slide on the inner wall of the fixed frame 36, so that the purpose of energy conversion is achieved, the generated elastic potential energy is counteracted, the cancellation of the impact force is achieved, the good buffering performance is achieved, the anti-seismic purpose is achieved, and the stability of the device in the use process is further enhanced;
immediately when need support the high adjustment of protection to protection frame 2, at first start two motors 41 work simultaneously, make the output of motor 41 can drive threaded rod 42 and rotate, the rotary motion of threaded rod 42 can change into the rectilinear motion of screw plate 43, and then screw plate 43 can drive backup pad 45 through spacing axle 44 and rise, realize supporting the high adjustment of protection to protection frame 2 to make the device can be applicable to not high tunnel construction scene use, reinforcing device's soul performance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The utility model provides a prevent slump supporting construction for tunnel construction, includes braced frame (1), its characterized in that: the top of the supporting frame (1) is fixedly connected with a fixed box (5), an adjusting mechanism (4) is arranged in the fixed box (5), a buffer mechanism (3) is arranged at the top of the adjusting mechanism (4), and a protection frame (2) is arranged at the top of the buffer mechanism (3);
the buffer mechanism (3) comprises a fixed cylinder (31), the fixed cylinder (31) is arranged at the top of the adjusting mechanism (4), a first spring (33) is fixedly connected to the inner wall of the fixed cylinder (31), a round block (32) is fixedly connected to the top end of the first spring (33), a supporting shaft (34) is fixedly connected to the top of the round block (32), a second spring (35) is sleeved on the outer wall of the supporting shaft (34), a fixed frame (36) is arranged at the top of the adjusting mechanism (4), a limiting block (37) is fixedly connected to the bottom of the protecting frame (2), and the limiting block (37) is slidably connected to the inner wall of the fixed frame (36).
2. The slump-resistant supporting structure for tunnel construction as claimed in claim 1, wherein: the top of the fixed cylinder (31) is provided with a sliding hole, and the supporting shaft (34) is connected to the top of the fixed cylinder (31) in a sliding way through the sliding hole.
3. The slump-resistant supporting structure for tunnel construction as claimed in claim 1, wherein: the round block (32) is connected to the inner wall of the fixed cylinder (31) in a sliding way, and the top end of the supporting shaft (34) is fixedly connected with the bottom of the protection frame (2).
4. The slump-resistant supporting structure for tunnel construction as claimed in claim 1, wherein: the second spring (35) is fixedly connected to the top end of the fixed cylinder (31), and one end, away from the top end of the fixed cylinder (31), of the second spring (35) is fixedly connected with the bottom of the protection frame (2).
5. The slump-resistant supporting structure for tunnel construction as claimed in claim 1, wherein: the adjusting mechanism (4) comprises a motor (41), the motor (41) is fixedly connected to the bottom of the fixed box (5), a threaded rod (42) is fixedly connected to the output end of the motor (41), a threaded plate (43) is connected to the outer wall of the threaded rod (42) in a threaded mode, a limiting shaft (44) is fixedly connected to the top of the threaded plate (43), and a supporting plate (45) is fixedly connected to the top of the limiting shaft (44).
6. The slump-resistant supporting structure for tunnel construction according to claim 5, wherein: the top of the threaded rod (42) is rotationally connected with the top of the inner wall of the fixed box (5), a through hole is formed in the bottom of the fixed box (5), and the threaded rod (42) is rotationally connected with the inner wall of the fixed box.
7. The slump-resistant supporting structure for tunnel construction according to claim 5, wherein: the top of the supporting plate (45) is fixedly connected with the bottom of the fixed frame (36), the fixed cylinder (31) is fixedly connected with the top of the supporting plate (45), the top of the fixed box (5) is provided with a round hole, and the limiting shaft (44) penetrates through the top of the fixed box (5) through the round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857100.7U CN220645984U (en) | 2023-07-14 | 2023-07-14 | Collapse-preventing supporting structure for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857100.7U CN220645984U (en) | 2023-07-14 | 2023-07-14 | Collapse-preventing supporting structure for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220645984U true CN220645984U (en) | 2024-03-22 |
Family
ID=90268242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321857100.7U Active CN220645984U (en) | 2023-07-14 | 2023-07-14 | Collapse-preventing supporting structure for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220645984U (en) |
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2023
- 2023-07-14 CN CN202321857100.7U patent/CN220645984U/en active Active
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