CN219064324U - Protective structure for weakening propagation of underground blasting shock waves in ground space - Google Patents
Protective structure for weakening propagation of underground blasting shock waves in ground space Download PDFInfo
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- CN219064324U CN219064324U CN202223572964.2U CN202223572964U CN219064324U CN 219064324 U CN219064324 U CN 219064324U CN 202223572964 U CN202223572964 U CN 202223572964U CN 219064324 U CN219064324 U CN 219064324U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model relates to the technical field of explosion protection devices, in particular to a protection structure for weakening propagation of underground explosion shock waves in a ground space. The utility model comprises a bottom plate, wherein an adjusting device is arranged on the upper end surface of the bottom plate, the adjusting device comprises a protection frame, the bottom end of the protection frame is fixedly connected with the surface of the bottom plate, a protection cover is clamped on the upper end surface of the protection frame, positioning plates are fixedly connected to the side walls of the two ends of the protection cover, positioning blocks are fixedly connected to the side walls of the protection frame at positions corresponding to the positioning plates, the inner walls of the positioning blocks are abutted to the surface of the positioning plates, a moving rod penetrates through the surface of the positioning blocks in a sliding manner, and the arc surface of the moving rod penetrates through the surface of the positioning plates in a sliding manner. The problem of prior art adopt to reduce single blasting explosive quantity, increase a plurality of blasting points and handle, but set up a plurality of blasting points and appear increasing the cost of labor, waste time and energy's condition, and then lead to whole blasting operation speed to reduce is solved.
Description
Technical Field
The utility model relates to the technical field of explosion protection devices, in particular to a protection structure for weakening propagation of underground explosion shock waves in ground space.
Background
At present, the domestic underground excavation blasting construction adopts the conventional cover plate protection or non-protection blasting construction, adopts the conventional blocking mode or non-blocking tunnel blasting, has large blasting vibration, has large influence on surrounding buildings by blasting shock waves, damages glass doors and windows of resident buildings, makes a sound on the glass doors and windows of the surrounding resident buildings during blasting, even breaks the glass doors and windows thereof, and has serious surrounding people complaints.
In the prior art, when the urban subway construction is blasted, huge shock waves are generated due to blasting, so that the shock waves damage surrounding building facilities, and the situation of directly damaging glass is serious.
For solving the problem that inconvenient weakens blasting shock wave, prior art adopts to reduce single blasting explosive charge, increases a plurality of blasting points and handles, but sets up the condition that a plurality of blasting points can appear increasing the cost of labor, wastes time and energy, and then leads to whole blasting operation speed to reduce, this application provides a technical scheme who solves this technical problem.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, the single blasting explosive amount is reduced, a plurality of blasting points are added for processing, but the situation that labor cost is increased, time and labor are wasted and the whole blasting operation speed is reduced is caused due to the fact that the plurality of blasting points are arranged, and provides a protective structure for weakening propagation of underground blasting shock waves in a ground space.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reduce protective structure of underground blasting shock wave propagation in ground space, includes bottom plate, its characterized in that: the upper end surface of bottom plate is equipped with adjusting device, adjusting device includes the protection frame, the bottom and the fixed surface of bottom plate of protection frame are connected, the upper end surface joint of protection frame has the shield lid, the equal fixedly connected with locating plate of both ends lateral wall of shield lid, the position fixedly connected with locating piece of protection frame lateral wall correspondence locating plate, the inner wall of locating piece and the surface looks butt of locating plate, the surface slip of locating piece runs through there is the carriage release lever, the arc surface of carriage release lever runs through with the surface slip of locating plate.
The effects achieved by the components are as follows: after the underground blasting is completed, noise and a large amount of dust are caused by the shock waves, and in order to protect the propagation of the shock waves on the ground, the protection frame is fixedly connected to the bottom plate through the blasting opening, the protection frame is clamped with the protection cover, the positioning plate fixedly connected to the protection cover is clamped with the positioning block fixedly connected to the protection frame, and the moving rod, the positioning plate and the positioning block are slidably penetrated, so that the whole protection frame and the protection cover are clamped and fixed.
Preferably, the upper end surface joint of protection frame has fixed frame, the upper end surface and the shield butt of fixed frame, the inner wall fixedly connected with blocks cotton around the fixed frame.
The effects achieved by the components are as follows: in order to reduce shock waves and noise generated by blasting, the fixed frame is clamped inside the protection frame, and the blocking cotton fixedly connected to the fixed frame is used for assisting in blocking the shock waves.
Preferably, the arc surface of the moving rod is sleeved with a spring, and two ends of the spring are respectively and fixedly connected with the positioning block and the moving rod.
The effects achieved by the components are as follows: the spring sleeved on the movable rod can generate tension, so that the position of the movable rod is limited and fixed, and falling is avoided.
Preferably, one end of the movable rod far away from the positioning block is fixedly connected with a pull ring, and the pull ring is a hard alloy ring.
The effects achieved by the components are as follows: when the position of the movable rod is limited and fixed, the movable rod is conveniently operated, and the pull ring fixedly connected with the movable rod is utilized to conveniently operate.
Preferably, the clamping groove is formed in the surface of the bottom side of the protective cover, a clamping plate is fixedly connected to the fixing frame corresponding to the clamping groove, and the surface of the clamping plate is clamped with the inner wall of the clamping groove.
The effects achieved by the components are as follows: when the protection is higher than the protection frame and is clamped and fixed, the protection cover and the protection frame can be better fixed by utilizing the mutual clamping between the clamping plate and the clamping groove.
Preferably, the surface of bottom plate is equipped with auxiliary device, auxiliary device includes two support frames that are the diagonal distribution at the protective cover surface, two the bottom of support frame all with the fixed surface of bottom plate is connected, the upper end surface screw thread of support frame runs through there is the actuating lever, the actuating lever is close to the one end rotation that the protective cover is connected with the stripper plate, the bottom surface of stripper plate and the surface looks butt of protective cover, the one end fixedly connected with pivot of actuating lever.
The effects achieved by the components are as follows: after the installation of the whole protection frame is completed, the protection frame is extruded and fixed more firmly, the support frame fixedly connected with the bottom plate is utilized to assist in fixing, the drive rod in threaded connection on the support frame is utilized, the extrusion plate connected with one end of the drive rod is rotated to extrude and fix the protection cover, and therefore the whole protection cover and the protection frame are better fixed and limited.
Preferably, both sides of the upper end surface of the extrusion plate are fixedly connected with limiting rods, and the arc surfaces of the limiting rods are in sliding penetration with the upper end surface of the supporting frame.
The effects achieved by the components are as follows: when the rotation driving rod moves the position of the extrusion plate, the limiting rod is utilized for limiting and fixing in order to avoid the deviation of the position of the extrusion plate.
Preferably, the arc surface of the rotating shaft is fixedly connected with a plurality of auxiliary shafts, and one ends of the auxiliary shafts are fixedly connected with balls.
The effects achieved by the components are as follows: when the rotating shaft fixedly connected to the driving rod is rotated, the auxiliary shaft is utilized to assist in rotation at the moment for more convenient operation.
In the utility model, after the underground blasting is completed, noise and a large amount of dust are generated by the shock wave, in order to prevent the shock wave from propagating on the ground, the protective frame fixedly connected to the bottom plate is pulled out through the blasting opening, the protective frame is clamped with the protective cover, the positioning plate fixedly connected to the protective cover is used, the positioning block fixedly connected to the protective frame is clamped, the movable rod is used for sliding penetration with the positioning plate and the positioning block, so that the whole protective frame and the protective cover are clamped and fixed, in order to reduce the shock wave and the noise generated by blasting, the fixed frame is clamped inside the protective frame, the blocking cotton fixedly connected to the fixed frame is used for assisting in blocking the shock wave, the spring sleeved on the movable rod can be used for generating a pulling force, the position of the movable rod is limited and fixed, the falling is avoided, when the position of the movable rod is limited and fixed, the movable rod is operated conveniently, the clamping plate is used for clamping and fixing the protective frame is higher than the protective frame, the clamping plate and the protective cover are clamped and fixed mutually, and the protective cover can be better clamped and fixed with the protective cover through the clamping device, and the fixing device is fixed between the protective cover and the protective cover.
According to the utility model, after the whole protective frame is installed, in order to firmly extrude and fix the protective frame, the supporting frame fixedly connected with the bottom plate is used for auxiliary fixing, the driving rod in threaded connection on the supporting frame is used, the extruding plate which is rotationally connected with one end of the driving rod is used for extruding and fixing the protective cover, so that the whole protective cover and the protective frame are better fixed and limited, when the driving rod is rotated to move the position of the extruding plate, the limiting rod is used for limiting and fixing in order to avoid the position deviation of the extruding plate, and when the rotating shaft fixedly connected with the driving rod is rotated, the auxiliary shaft is used for auxiliary rotation at the moment for more convenient operation, and the driving rod on the supporting frame is rotated through the operation of the auxiliary device, so that the driving rod is used for fixing the whole protective frame and the protective cover with the extruding plate.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the adjusting device of the present utility model;
FIG. 3 is a partially disassembled schematic view of the adjusting device of the present utility model;
fig. 4 is a schematic structural view of an auxiliary device of the present utility model.
Legend description: 1. a bottom plate; 2. an adjusting device; 201. a protective frame; 202. a protective cover; 203. a positioning plate; 204. a positioning block; 205. a moving rod; 206. a spring; 207. a pull ring; 208. a clamping groove; 209. a clamping plate; 210. blocking cotton; 211. a fixed frame; 3. an auxiliary device; 31. a support frame; 32. an extrusion plate; 33. a limit rod; 34. a rotating shaft; 35. an auxiliary shaft; 36. and a driving rod.
Detailed Description
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a reduce protective structure of underground blasting shock wave in ground space propagation, includes bottom plate 1, and the upper end surface of bottom plate 1 is equipped with adjusting device 2, and the surface of bottom plate 1 is equipped with auxiliary device 3.
The specific arrangement and function of the adjusting device 2 and the auxiliary device 3 will be described in detail below.
Referring to fig. 2 and 3, in the present embodiment: the adjusting device 2 comprises a protective frame 201, the bottom end of the protective frame 201 is fixedly connected with the surface of a bottom plate 1, a protective cover 202 is clamped and connected to the upper end surface of the protective frame 201, a positioning plate 203 is fixedly connected to the side walls of two ends of the protective cover 202, a positioning block 204 is fixedly connected to the side walls of the protective frame 201 corresponding to the positioning plate 203, the inner wall of the positioning block 204 is abutted to the surface of the positioning plate 203, a moving rod 205 is fixedly connected to the surface of the positioning block 204 in a sliding manner, the arc surface of the moving rod 205 is fixedly connected with the surface of the positioning plate 203 in a sliding manner, the moving rod 205 is fixedly connected with the positioning plate 203 in a sliding manner through the moving rod 205, the clamping plate 203 and the positioning block 204, the upper end surface of the protective frame 201 is clamped and fixed with a fixing frame 211, the upper end surface of the fixing frame 211 is abutted to the protective cover 202, the periphery of the fixing frame 211 is fixedly connected with a blocking cotton 210, shock waves and noise generated by blasting can be effectively reduced, a spring 206 is sleeved on the arc surface of the moving rod 205, two ends of the spring 206 are respectively fixedly connected with the positioning block 205, the moving rod 205 is sleeved with the moving rod 205, the moving rod 205 can generate a spring 206, the position 205 can be prevented from falling off from the clamping plate 208, and the clamping plate 208 is connected to the fixing plate 209, and the clamping plate is far from the fixing plate is positioned on the fixing plate and the fixing plate side of the protective frame and the upper end surface.
Referring to fig. 4, in this embodiment: the auxiliary device 3 comprises two supporting frames 31 which are diagonally distributed on the surface of the protective cover 202, the bottom ends of the two supporting frames 31 are fixedly connected with the surface of the bottom plate 1, driving rods 36 penetrate through the upper end surface threads of the supporting frames 31, one ends of the driving rods 36 close to the protective cover 202 are rotationally connected with extrusion plates 32, the bottom surfaces of the extrusion plates 32 are abutted against the surface of the protective cover 202, the extrusion plates 32 which are rotationally connected with one ends of the driving rods 36 are used for extruding and fixing the protective cover 202 through the driving rods 36 which are in threaded connection with the supporting frames 31, therefore, the whole protective cover 202 is better fixed and limited with the protective frame 201, one end of each driving rod 36 is fixedly connected with a rotating shaft 34, two sides of the upper end surface of each extrusion plate 32 are fixedly connected with limiting rods 33, the arc surfaces of the limiting rods 33 penetrate through the upper end surface of the supporting frames 31 in a sliding mode, in order to avoid the position deviation of the extrusion plates 32, limiting rods 33 are used for limiting and fixing, a plurality of auxiliary shafts 35 are fixedly connected with one ends of the auxiliary shafts 35, and balls are fixedly connected with one ends of the auxiliary shafts 35.
Working principle: after the underground blasting is completed, noise and a large amount of dust are caused by the shock wave, in order to prevent the shock wave from propagating on the ground, the protective frame 201 is clamped with the protective cover 202 through the fixedly connected protective frame 201 on the blast hole bottom plate 1, the positioning plate 203 fixedly connected with the protective cover 202 is reused, the positioning block 204 fixedly connected with the protective frame 201 is clamped with the positioning plate 203, the movable rod 205 and the positioning plate 203 are reused, the positioning block 204 slidably penetrates through the whole protective frame 201 and the protective cover 202, so that the whole protective frame 201 and the protective cover 202 are clamped and fixed, in order to reduce the shock wave and the noise produced by blasting, at this moment, the blocking cotton 210 fixedly connected with the fixed frame 211 is used for assisting in blocking the shock wave, the spring 206 sleeved on the movable rod 205 can generate a pulling force, the position of the movable rod 205 is prevented from falling off, the position of the movable rod 205 is limited and fixed, at this moment, the position of the movable rod 205 is conveniently operated by the positioning plate 204, the movable rod 205 is conveniently operated, the movable rod 205 is higher than the positioning plate 203, the clamping plate is clamped and fixed with the positioning plate 202, the clamping plate 202 is clamped and the clamping plate 202 is better than the clamping plate 202, the clamping plate 201 is mutually fixed with the positioning plate 202, and the clamping plate is further fixed between the protective frame and the protective frame 201 and the protective frame 2.
After the whole protective frame 201 is installed, in order to press and fix the protective frame 201 more firmly, the support frame 31 fixedly connected with the bottom plate 1 is used for auxiliary fixing at the moment, at this moment, the drive rod 36 in threaded connection on the support frame 31 is used, the extrusion plate 32 rotationally connected with one end of the drive rod 36 is used for pressing and fixing the protective cover 202, thereby the whole protective cover 202 and the protective frame 201 are better fixed and limited, when the drive rod 36 is rotated to move the position of the extrusion plate 32, the limiting rod 33 is used for limiting and fixing in order to avoid the position of the extrusion plate 32, and when the rotary shaft 34 fixedly connected with the drive rod 36 is rotated, the auxiliary shaft 35 is used for auxiliary rotation at the moment for more convenient operation, the rotation of the drive rod 36 on the support frame 31 is achieved through the operation of the auxiliary device 3, and the drive rod 36 is used for fixing the whole protective frame 201 and the protective cover 202 with the extrusion plate 32.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Claims (8)
1. A protective structure for attenuating the propagation of an underground blast shock wave in a ground space, comprising a bottom plate (1), characterized in that: the utility model discloses a protection device for a motor vehicle, including bottom plate (1), bottom plate (201), adjusting device (2) are equipped with adjusting device (2) on the upper end surface of bottom plate (1), the bottom of protection frame (201) is connected with fixed surface of bottom plate (1), the upper end surface joint of protection frame (201) has protection lid (202), the both ends lateral wall of protection lid (202) all fixedly connected with locating plate (203), the position fixedly connected with locating piece (204) of protection frame (201) lateral wall corresponding locating plate (203), the inner wall of locating piece (204) and the surface butt of locating plate (203), the surface slip of locating piece (204) runs through there is movable rod (205), the arc surface of movable rod (205) runs through with the surface slip of locating plate (203).
2. A protective structure for attenuating propagation of an underground blast shock wave in a ground space as set forth in claim 1, wherein: the upper end surface joint of protection frame (201) has fixed frame (211), the upper end surface of fixed frame (211) and shield cover (202) butt, the inner wall fixedly connected with blocks cotton (210) around fixed frame (211).
3. A protective structure for attenuating propagation of an underground blast shock wave in a ground space as set forth in claim 1, wherein: the arc surface of the moving rod (205) is sleeved with a spring (206), and two ends of the spring (206) are respectively and fixedly connected with the positioning block (204) and the moving rod (205).
4. A protective structure for attenuating propagation of an underground blast shock wave in a ground space as set forth in claim 1, wherein: one end of the moving rod (205) far away from the positioning block (204) is fixedly connected with a pull ring (207), and the pull ring (207) is a hard alloy ring.
5. A protective structure for attenuating propagation of an underground blast shock wave in a ground space according to claim 2, wherein: clamping grooves (208) are formed in the bottom side surface of the protective cover (202), clamping plates (209) are fixedly connected to the positions, corresponding to the clamping grooves (208), of the fixing frames (211), and the surfaces of the clamping plates (209) are clamped with the inner walls of the clamping grooves (208).
6. A protective structure for attenuating propagation of an underground blast shock wave in a ground space as set forth in claim 1, wherein: the surface of bottom plate (1) is equipped with auxiliary device (3), auxiliary device (3) are including two support frames (31) that are the diagonal distribution at shield cover (202) surface, two the bottom of support frame (31) all with the fixed surface of bottom plate (1) be connected, the upper end surface screw thread of support frame (31) runs through has actuating lever (36), actuating lever (36) are close to the one end rotation of shield cover (202) and are connected with stripper plate (32), the bottom surface of stripper plate (32) and the surface looks butt of shield cover (202), the one end fixedly connected with pivot (34) of actuating lever (36).
7. A protective structure for attenuating propagation of an underground blast shock wave in a ground space as set forth in claim 6, wherein: limiting rods (33) are fixedly connected to two sides of the upper end surface of the extrusion plate (32), and the arc surfaces of the limiting rods (33) are in sliding penetration with the upper end surface of the supporting frame (31).
8. A protective structure for attenuating propagation of an underground blast shock wave in a ground space as set forth in claim 6, wherein: the arc surface of pivot (34) fixedly connected with a plurality of auxiliary shaft (35), the one end of auxiliary shaft (35) all fixedly connected with ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223572964.2U CN219064324U (en) | 2022-12-29 | 2022-12-29 | Protective structure for weakening propagation of underground blasting shock waves in ground space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223572964.2U CN219064324U (en) | 2022-12-29 | 2022-12-29 | Protective structure for weakening propagation of underground blasting shock waves in ground space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219064324U true CN219064324U (en) | 2023-05-23 |
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ID=86374393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223572964.2U Active CN219064324U (en) | 2022-12-29 | 2022-12-29 | Protective structure for weakening propagation of underground blasting shock waves in ground space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219064324U (en) |
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2022
- 2022-12-29 CN CN202223572964.2U patent/CN219064324U/en active Active
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