CN220541874U - Tunnel blasting protector - Google Patents
Tunnel blasting protector Download PDFInfo
- Publication number
- CN220541874U CN220541874U CN202321893857.1U CN202321893857U CN220541874U CN 220541874 U CN220541874 U CN 220541874U CN 202321893857 U CN202321893857 U CN 202321893857U CN 220541874 U CN220541874 U CN 220541874U
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- CN
- China
- Prior art keywords
- tunnel
- blasting
- protection
- protection plate
- buffer layer
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- 238000005422 blasting Methods 0.000 title claims abstract description 62
- 230000001012 protector Effects 0.000 title description 5
- 239000004575 stone Substances 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel blasting protection device, which comprises: the protection net is used for blocking blasting flying stones; the support frame is used for installing the protective net; further comprises: the protection plate comprises a buffer layer made of rubber, and the buffer layer can block blasting flying stones; the protection plate is arranged on one side of the protection net away from the tunnel, and can be used for secondarily blocking the blasting flying stones, so that the blasting flying stones are prevented from breaking through the protection net, and the buffer layer made of rubber can buffer the impact of the blasting flying stones, so that the protection effect is enhanced.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel blasting protection device.
Background
Along with the rapid development of the economic society in China, the number and mileage of highway tunnels are rapidly increased, the condition that the tunnels are connected with bridges to cross the highway exists under complex terrains, in the tunnel construction process, equipment such as a tunnel boring machine and the like can be directly adopted for construction of parts with smaller hardness, and the parts with larger hardness correspond to the parts with larger hardness, so that the construction efficiency is improved, blasting measures are required for the tunneling of the geological parts, a plurality of blasting blastholes are required to be formed in the rock wall, and then explosive is filled into the blasting holes. In the short time of blasting, a large amount of stones fly to the rear side of the tunneling surface, and certain potential safety hazards are brought to constructors.
The utility model discloses a tunnel blasting protection device with an authorized bulletin number of CN211527221U, which comprises a column foundation, an embedded pipe, columns, anchoring bolts, cross beams, hooks, steel wire nets and geotechnical cloth, wherein the column foundation is arranged at two sides of a tunnel portal; the steel wire mesh and geotechnical cloth can effectively prevent flying stones and shock waves generated during blasting from damaging buildings, structures, equipment and facilities near the tunnel portal, so that casualties are avoided, meanwhile, the environment and noise pollution generated by blasting can be reduced, the ecological environment can be effectively protected, and the image of enterprises can be improved. The existing tunnel blasting protector is used for blocking blasting flying stones, when the blasting flying stones are strong, the protection net is easy to break down, the protection effect is poor, personnel injury is easy to be caused, and surrounding equipment is damaged.
Disclosure of Invention
The utility model aims at solving the technical problems and provides a tunnel blasting protection device which can be used for secondarily blocking blasting flying stones.
In view of this, the present utility model provides a tunnel blasting protection device, comprising: the protection net is used for blocking blasting flying stones; the support frame is used for installing the protective net; further comprises: the protection plate comprises a buffer layer made of rubber, and the buffer layer can block blasting flying stones; wherein, the guard plate sets up in the one side that the protection network is kept away from the tunnel.
In this technical scheme, the guard plate can carry out secondary to the blasting flyrock and block, avoids blasting flyrock to puncture the protection network, and the buffer layer of rubber can cushion the impact of blasting flyrock, reinforcing protection effect.
In the above technical scheme, further, the guard plate further comprises a sound insulation layer made of sound absorption sponge, and the sound insulation layer is arranged on one side, far away from the tunnel, of the buffer layer.
In the above technical scheme, further, the guard plate is connected with the support frame through a plurality of damping mechanisms.
In the above technical solution, further, the damping mechanism includes: the spring rod is arranged between the support frame and the protection plate; and a compression spring disposed outside the spring rod.
In the above technical scheme, further, a movable fixing mechanism is arranged at the bottom of the supporting frame.
In the above technical solution, further, the moving fixing mechanism includes: the bases are arranged at the left side and the right side of the bottom end of the supporting frame, and a placing opening is formed in one side, far away from the tunnel, of each base; the weighting block is placed in the placement opening; the travelling wheel is arranged at the bottom end of the base and has a braking function; the fixed block, the fixed block sets up the left and right sides at the base, open at fixed block top has the through-hole, install the staple that one end runs through and extends to the fixed block below in the through-hole.
The beneficial effects of the utility model are as follows:
1. the protection plate can be used for blocking the blasting flyrock secondarily, so that the blasting flyrock is prevented from breaking through the protection net, and the buffer layer made of rubber can buffer the impact of the blasting flyrock, so that the protection effect is enhanced.
2. The sound insulation layer made of the sound absorption sponge can absorb noise generated by blasting flying stone impact, and the buffer layer made of rubber and the sound insulation layer form a double-layer sound insulation structure, so that the noise is weakened.
3. The shock-absorbing mechanism can reduce the impact force of blasting flystones, the blasting flystones impact the protection net, the force is transmitted to the shock-absorbing mechanism through the protection net, the spring rod and the compression spring are stressed and compressed, the shock-absorbing mechanism plays a role in buffering, the damage to the tunnel blasting protection device caused by the impact force of the blasting flystones is avoided, and the safety of the tunnel blasting protection device is improved.
4. The fixed nails in the movable fixing mechanism can be connected with the ground, so that the tunnel blasting protection device is convenient to fix, the weight blocks in the base placing opening can increase the weight of the bottom of the tunnel blasting protection device, the tunnel blasting protection device is prevented from being knocked down by blasting flying stones, and the travelling wheels are arranged and the weight blocks can be taken out, so that the tunnel blasting protection device is convenient to move.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of the protection plate of the present utility model.
Fig. 3 is a schematic diagram of the overall side view of the present utility model.
Fig. 4 is a schematic structural view of the shock absorbing mechanism of the present utility model.
Fig. 5 is a schematic structural view of the moving fixing mechanism of the present utility model.
The label in the figure is:
1-supporting frame, 2-protection net, 3-protection plate, 31-buffer layer, 32-sound insulation layer, 4-damper, 41-spring rod, 42-compression spring, 5-movable fixing mechanism, 51-base, 52-placing port, 53-weight, 54-walking wheel, 55-fixing block and 56-fixing nail.
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.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Example 1:
the embodiment of the application provides a tunnel blasting protector, includes: the protection net 2 is used for blocking blasting flying stones; the support frame 1, the support frame 1 is used for installing the protective net 2; further comprises: the protection plate 3 comprises a buffer layer 31 made of rubber, and the buffer layer 31 can block blasting flying stones; wherein the protection plate 3 is arranged at one side of the protection net 2 far away from the tunnel.
In this embodiment, referring to fig. 1, the protection plate 3 can block the blasted flyrock secondarily, so as to avoid the blasted flyrock from breaking through the protection net 2, and the buffer layer 31 made of rubber can buffer the impact of the blasted flyrock, so as to enhance the protection effect.
Example 2:
the present embodiment provides a tunnel blasting protection device, which includes the technical scheme of the above embodiment, and further has the following technical features: the guard plate 3 further comprises a sound insulation layer 32 made of sound absorbing sponge, the sound insulation layer 32 is arranged on one side, far away from the tunnel, of the buffer layer 31, and noise generated by blasting flying stones to strike the buffer layer 31 can be absorbed through the sound insulation layer 32.
In this embodiment, referring to fig. 1 and 2, the sound insulation layer 32 made of the sound absorbing sponge can absorb the noise generated by the impact of the blasted flyrock, and the buffer layer 31 and the sound insulation layer 32 made of rubber form a double-layer sound insulation structure, so as to strengthen the attenuation of the noise.
Example 3:
the present embodiment provides a tunnel blasting protection device, which includes the technical scheme of the above embodiment, and further has the following technical features: the guard plate 3 is connected with support frame 1 through a plurality of damper 4, and damper 4 includes:
the spring rod 41 is arranged between the support frame 1 and the protection plate 3, and the spring rod 41 can be stretched and contracted by external force;
and a compression spring 42, the compression spring 42 being provided outside the spring lever 41, the compression spring 42 being expandable and contractible by an external force.
In this embodiment, referring to fig. 3 and 4, the shock absorbing mechanism 4 may reduce the impact force of the blasted flyrock, the blasted flyrock impacts the protection net 2, the protection net 2 blocks the blasted flyrock from the impact force of the blasted flyrock, the force is transferred to the shock absorbing mechanism 4 through the protection net 2, the spring rod 41 and the compression spring 42 are compressed under the force, so as to play a role in buffering the impact force of the blasted flyrock, avoid the impact force of the blasted flyrock from damaging the tunnel blasting protection device, and improve the safety of the tunnel blasting protection device.
Example 4:
the present embodiment provides a tunnel blasting protection device, which includes the technical scheme of the above embodiment, and further has the following technical features: the bottom of support frame 1 is provided with removal fixed establishment 5, and removal fixed establishment 5 includes:
the bases 51 are arranged at the left and right sides of the bottom end of the support frame 1, and the two bases 51 are provided with placing openings 52 at one side far away from the tunnel;
the weighting block 53, the weighting block 53 is placed in the placing opening 52, the weighting block 53 can be taken out, and when the tunnel blasting protection device needs to be moved, the weighting block 53 can be taken out;
the walking wheels 54 are arranged at the bottom end of the base 51, the number of the walking wheels 54 is preferably four, the walking wheels 54 have a braking function, and when the tunnel blasting protection device needs to be fixed, the walking wheels 54 adopt a braking mode;
the fixed block 55, the fixed block 55 sets up in the left and right sides of base 51, and open at fixed block 55 top has the through-hole, installs the fixed nail 56 that one end runs through and extends to the fixed block 55 below in the through-hole, and fixed nail 56 can be connected with ground, fixes tunnel blasting protector.
In this embodiment, referring to fig. 3 and 5, the fixing nails 56 in the moving fixing mechanism 5 may be connected with the ground, so as to facilitate the fixation of the tunnel blasting protection device, the weight of the bottom of the tunnel blasting protection device may be increased by the weight blocks 53 in the placement openings 52 of the base 51, so as to prevent the tunnel blasting protection device from being knocked down by blasting flying stones, and the travelling wheels 54 may be provided and the weight blocks 53 may be taken out, so as to facilitate the movement of the tunnel blasting protection device.
The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (6)
1. A tunnel blast protection device, comprising:
the protection net (2) is used for blocking blasting flying stones;
the support frame (1), the said support frame (1) is used for installing the protective net (2);
characterized by further comprising:
the protection plate (3), the protection plate (3) comprises a buffer layer (31) made of rubber, and the buffer layer (31) can block blasting flying stones;
wherein the protection plate (3) is arranged on one side of the protection net (2) far away from the tunnel.
2. A tunnel blast shield according to claim 1, wherein: the protection plate (3) further comprises a sound insulation layer (32) made of sound absorption sponge, and the sound insulation layer (32) is arranged on one side, far away from the tunnel, of the buffer layer (31).
3. A tunnel blast shield according to claim 1, wherein: the protection plate (3) is connected with the support frame (1) through a plurality of damping mechanisms (4).
4. A tunnel blasting protection device according to claim 3, wherein the damping means (4) comprises:
the spring rod (41) is arranged between the support frame (1) and the protection plate (3);
-a compression spring (42), said compression spring (42) being arranged outside the spring rod (41).
5. A tunnel blast shield according to claim 1, wherein: the bottom of the supporting frame (1) is provided with a movable fixing mechanism (5).
6. Tunnel blasting protection device according to claim 5, characterized in that the mobile fixation means (5) comprise:
the bases (51) are arranged at the left side and the right side of the bottom end of the supporting frame (1), and a placing opening (52) is formed in one side, far away from the tunnel, of each base (51);
a weighting block (53), wherein the weighting block (53) is placed in the placement opening (52);
the travelling wheel (54) is arranged at the bottom end of the base (51), and the travelling wheel (54) has a braking function;
the fixed block (55), fixed block (55) set up the left and right sides at base (51), there is the through-hole at fixed block (55) top, install in the through-hole one end and run through and extend to fixed nail (56) of fixed block (55) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893857.1U CN220541874U (en) | 2023-07-18 | 2023-07-18 | Tunnel blasting protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893857.1U CN220541874U (en) | 2023-07-18 | 2023-07-18 | Tunnel blasting protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220541874U true CN220541874U (en) | 2024-02-27 |
Family
ID=89975683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893857.1U Active CN220541874U (en) | 2023-07-18 | 2023-07-18 | Tunnel blasting protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220541874U (en) |
-
2023
- 2023-07-18 CN CN202321893857.1U patent/CN220541874U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |