CN221074298U - Temporary supporting structure for tunnel - Google Patents
Temporary supporting structure for tunnel Download PDFInfo
- Publication number
- CN221074298U CN221074298U CN202322686548.3U CN202322686548U CN221074298U CN 221074298 U CN221074298 U CN 221074298U CN 202322686548 U CN202322686548 U CN 202322686548U CN 221074298 U CN221074298 U CN 221074298U
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- steel
- damper
- spring
- base
- top end
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000001771 impaired effect Effects 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a temporary supporting structure for a tunnel, which comprises a base, wherein the top end of the base is connected with I-steel, one side of the I-steel is connected with an auxiliary structure, and the top end of the I-steel is connected with a second damper; the combined use between the second attenuator, the second spring, the slider and the connecting rod that utilize the setting can improve whole bearing structure's bearing capacity, and then take place to damage when so preventing whole structure receives stronger pressure, influence follow-up normal supporting treatment, can drive the connecting rod that its bottom is connected when roof longitudinal movement and promote the slider, make it slide on the top of I-steel, then slider extrusion second attenuator and second spring, and make it take place the deformation thereupon, combine its reverse effort that deforms produced can play effectual cushioning effect, and then can improve whole bearing structure's compressive capacity, whole bearing structure is impaired when preventing that it receives great pressure.
Description
Technical Field
The utility model relates to the field of temporary supporting structures for tunnels, in particular to a temporary supporting structure for tunnels.
Background
When the tunnel is constructed, in order to prevent the collapse risk of the tunnel, the top of the tunnel is supported by adopting a supporting structure, so that the tunnel construction is ensured;
According to the tunnel supporting structure disclosed by the utility model with the authority of the publication number CN217872844U, through the design of the adjusting mechanism, the angles of a plurality of hinging rods are adjusted, so that the positions of the supporting edges are pushed or pulled to move, the positions in the connecting sleeves are adjusted, the radiuses formed by the supporting edges and the connecting sleeves are adjusted, so that the supporting edges and the arch structures with different radiuses are supported, most of the existing supporting structures are rigid structures, namely a plurality of I-shaped steels are fixedly installed, and then the inner side walls of the tunnels are supported by the assembled structures, but the supporting structure is poor in supporting effect, and does not have a buffer structure, so that the supporting contact surface is too large or the supporting contact surface is too large in stressed, the damage of the whole supporting structure can be caused, and the subsequent normal supporting is affected.
Disclosure of utility model
In order to overcome the defects of the prior art, the temporary supporting structure for the tunnel can solve the technical problems that the existing supporting structure is designed through an adjusting mechanism so as to adjust the angles of a plurality of hinging rods, so that the positions of supporting ribs are pushed or pulled to move, the positions in connecting sleeves are adjusted, the radius of the supporting ribs and the connecting sleeves are adjusted, so that the supporting ribs are supported by arch structures with different radiuses, most of the existing supporting structure is a rigid structure, namely a plurality of I-steel structures are fixedly installed, and then the inner side wall of the tunnel is supported by utilizing an assembled structure, but the supporting effect of the whole supporting structure is poor, and a buffer structure is not provided, so that the supporting contact surface is too large or the supporting structure is possibly damaged when the received force is too large, and the subsequent normal supporting is affected.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a temporary support structure for tunnel, includes the base, the top of base is connected with the I-steel, just one side of I-steel is connected with auxiliary structure, the I-steel top is connected with the second attenuator, just the surface cover of second attenuator is equipped with the second spring, the top of second attenuator distributes there is the slider, just the top of slider is connected with the connecting rod, the other end of connecting rod is connected with the roof, just the vaulting pole is installed on the top of roof, the arc is installed on the top of vaulting pole.
As a preferable technical scheme of the utility model, the auxiliary structure comprises a reinforcing rod, a fixing rod, a first damper and a first spring, wherein the reinforcing rod is arranged on one side of the bottom of the I-steel, the fixing rod is distributed above the reinforcing rod, the first damper is arranged on the inner side of the fixing rod, and the first spring is sleeved on the outer surface of the first damper.
As a preferable technical scheme of the utility model, a chute is arranged at the top end of the I-steel, and a through hole is arranged at the bottom of the I-steel.
As a preferable technical scheme of the utility model, the top end of the base is provided with the jack, one side of the jack is communicated with the bolt groove, the inner side of the bolt groove is penetrated with the connecting bolt, and the inner side wall of the jack is provided with the protruding block.
As a preferable technical scheme of the utility model, the I-steel is equidistantly distributed at the top end of the base, and the distance between the I-steel is equal to or smaller than the distance between the I-steel.
As a preferable technical scheme of the utility model, the top plate is connected with the I-steel in a sliding way through the connecting rod, and the connecting rod and the top plate are distributed in a vertical mode.
Compared with the prior art, the utility model has the following beneficial effects:
1. The combined use of the second damper, the second spring, the sliding block and the connecting rod can improve the bearing capacity of the whole supporting structure, so that the whole supporting structure is prevented from being damaged when being subjected to strong pressure, the follow-up normal supporting treatment is affected, when the top plate moves longitudinally, the connecting rod connected with the bottom of the top plate drives the sliding block to push the sliding block to slide at the top end of I-shaped steel, the sliding block extrudes the second damper and the second spring, the second damper and the second spring deform along with the sliding block, the effective buffering effect can be achieved by combining the reverse acting force generated by the deformation of the second damper and the second spring, the compressive capacity of the whole supporting structure can be improved, and the whole supporting structure is prevented from being damaged when the top plate is subjected to the strong pressure;
2. The combination use between bolt groove, jack and the connecting bolt that utilize the setting can realize the quick dismantlement between I-steel and the base, and convenient whole device carries out the split after finishing using subsequently, and when the I-steel was inserted the inboard of jack, the recess of I-steel both sides can carry out certain spacing to the I-steel when the I-steel, combines the setting of lug, later passes the through-hole with connecting bolt to be connected with the bolt groove can realize the quick connect of I-steel and base, the practicality is higher.
Drawings
FIG. 1 is a schematic view of a temporary support structure for a tunnel according to the present utility model;
FIG. 2 is a schematic diagram of a connection structure between I-steel of a temporary support structure for a tunnel according to the present utility model;
FIG. 3 is a schematic top view of a temporary support structure for tunnels according to the present utility model;
FIG. 4 is a schematic view of a top plate of the temporary support structure for a tunnel according to the present utility model;
Wherein: 1. a base; 2. i-steel; 3. a reinforcing rod; 4. a fixed rod; 5. a first damper; 6. a first spring; 7. a second damper; 8. a second spring; 9. a slide block; 10. a connecting rod; 11. a top plate; 12. a brace rod; 13. an arc-shaped plate; 14. a chute; 15. a through hole; 16. a jack; 17. a bolt slot; 18. a connecting bolt; 19. and a bump.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Examples
Referring to fig. 1 and 3, the present utility model provides a temporary supporting structure for a tunnel, which comprises a base 1, wherein the top end of the base 1 is connected with an i-steel 2, one side of the i-steel 2 is connected with an auxiliary structure, the top end of the i-steel 2 is connected with a second damper 7, the outer surface of the second damper 7 is sleeved with a second spring 8, a sliding block 9 is distributed above the second damper 7, the top end of the sliding block 9 is connected with a connecting rod 10, the other end of the connecting rod 10 is connected with a top plate 11, the top end of the top plate 11 is provided with a supporting rod 12, and the top end of the supporting rod 12 is provided with an arc-shaped plate 13;
When the support structure is used, the whole support structure is quickly assembled, the arc-shaped plate 13 is contacted with the support surface after the assembly is finished, the support surface is the inner side wall surface of the tunnel, and the tunnel is supported by the I-steel 2 and the arc-shaped plate 13;
As a further implementation manner of the embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the top end of the base 1 is connected with an i-steel 2, one side of the i-steel 2 is connected with an auxiliary structure, the i-steel 2 is equidistantly distributed at the top end of the base 1, the interval between the i-steel 2 is 1.2 meters, the auxiliary structure comprises a reinforcing rod 3, a fixing rod 4, a first damper 5 and a first spring 6, the reinforcing rod 3 is installed at one side of the bottom of the i-steel 2, the fixing rod 4 is distributed above the reinforcing rod 3, the first damper 5 is installed at the inner side of the fixing rod 4, a first spring 6 is sleeved on the outer surface of the first damper 5, the top end of the i-steel 2 is connected with a second damper 7, the outer surface of the second damper 7 is sleeved with a second spring 8, the upper side of the second damper 7 is distributed with a sliding block 9, the top end of the sliding block 9 is connected with a connecting rod 10, the other end of the connecting rod 10 is connected with a supporting rod 12, the top end of the top plate 11 is installed with the first spring 6, the top plate 11 is slidably connected with the i-steel 2 through the connecting rod 10, the connecting rod 10 is provided with the i-steel 2, the top plate 11 is provided with the top plate 12 is provided with a jack 16, the number of jack grooves 16 is provided with jack grooves 16 are formed in the top plate 16, the top plate 16 is provided with jack grooves 16, the jack grooves 16 are provided with the jack holes 16 are respectively, the jack grooves 16 are respectively, the top ends 16 are provided with the jack holes 16 are respectively;
when the structure is used, I-steel 2 is inserted into the inner side of an insertion hole 16, a lug 19 is clamped on the side wall of the I-steel 2, then a connecting bolt 18 penetrates through a through hole 15 and extends to the inner side of a bolt groove 17, so that the quick connection between the I-steel 2 and a base 1 is realized, in the process of using the structure, an arc plate 13 pushes a top plate 11 connected with the bottom of the I-steel when being pressed down, then the top plate 11 drives a connecting rod 10 to push a sliding block 9, the sliding block 9 slides on the inner side of a sliding groove 14, the sliding block 9 can extrude a second damper 7 connected with the bottom of the sliding block 9 and a second spring 8, then the second damper 7 and the second spring 8 deform to generate a reverse acting force, and the reverse acting force generated by combining the deformation of the two can play a buffering effect, so that the compression resistance of the whole supporting structure is improved, meanwhile, the stability of connection between the I-steel 2 can be further improved, a triangular structure is formed between the arrangement of a reinforcing rod 3 and the I-steel 2, and the whole supporting structure can be better supported by combining the arrangement of the reinforcing rod 3;
The specific working principle is as follows:
Firstly, the I-steel 2 is inserted into the inner side of the insertion hole 16, the lug 19 is clamped on the side wall of the I-steel 2, then the connecting bolt 18 penetrates through the through hole 15 and extends to the inner side of the bolt groove 17, the quick connection between the I-steel 2 and the base 1 is realized by utilizing the threaded connection of the two, in the process of using the structure, the top plate 11 is pushed when the arc plate 13 is pressed down, the top plate 11 drives the connecting rod 10 to push the sliding block 9, the sliding block 9 slides on the inner side of the sliding groove 14, when the sliding block 9 slides, the second damper 7 and the second spring 8 connected to the bottom of the sliding block are extruded, then the second damper 7 and the second spring 8 deform to generate reverse acting force, and the reverse acting force generated by combining the deformation of the two can play a buffering effect, so that the compression resistance of the whole support structure is improved, meanwhile, the stability of connection between the I-steel 2 can be further improved, a triangle structure is formed between the setting of the reinforcing rod 3 and the I-steel 2, and the whole tunnel can be better supported by combining the setting of the reinforcing rod 3.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Temporary support structure for tunnels, comprising a base (1), characterized in that: the novel energy-saving device is characterized in that the top end of the base (1) is connected with I-steel (2), one side of the I-steel (2) is connected with an auxiliary structure, the top end of the I-steel (2) is connected with a second damper (7), a second spring (8) is sleeved on the outer surface of the second damper (7), sliding blocks (9) are distributed above the second damper (7), the top ends of the sliding blocks (9) are connected with connecting rods (10), the other ends of the connecting rods (10) are connected with top plates (11), supporting rods (12) are arranged on the top ends of the top plates (11), and arc plates (13) are arranged on the top ends of the supporting rods (12).
2. A temporary support structure for a tunnel according to claim 1, wherein: the auxiliary structure comprises a reinforcing rod (3), a fixing rod (4), a first damper (5) and a first spring (6), wherein the reinforcing rod (3) is arranged on one side of the bottom of the I-steel (2), the fixing rod (4) is distributed above the reinforcing rod (3), the first damper (5) is arranged on the inner side of the fixing rod (4), and the first spring (6) is sleeved on the outer surface of the first damper (5).
3. A temporary support structure for a tunnel according to claim 1, wherein: a sliding groove (14) is formed in the top end of the I-steel (2), and a through hole (15) is formed in the bottom of the I-steel (2).
4. A temporary support structure for a tunnel according to claim 1, wherein: the top of base (1) has seted up jack (16), just one side intercommunication of jack (16) has bolt groove (17), the inboard in bolt groove (17) is run through there is connecting bolt (18), the inside wall of jack (16) is equipped with lug (19).
5. A temporary support structure for a tunnel according to claim 1, wherein: the I-steel (2) are equidistantly distributed at the top end of the base (1), and the distance between the I-steel (2) is 1.2 meters.
6. A temporary support structure for a tunnel according to claim 1, wherein: the top plate (11) is in sliding connection with the I-steel (2) through the connecting rod (10), and the connecting rod (10) and the top plate (11) are vertically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322686548.3U CN221074298U (en) | 2023-10-08 | 2023-10-08 | Temporary supporting structure for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322686548.3U CN221074298U (en) | 2023-10-08 | 2023-10-08 | Temporary supporting structure for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074298U true CN221074298U (en) | 2024-06-04 |
Family
ID=91257896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322686548.3U Active CN221074298U (en) | 2023-10-08 | 2023-10-08 | Temporary supporting structure for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074298U (en) |
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2023
- 2023-10-08 CN CN202322686548.3U patent/CN221074298U/en active Active
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