CN215930707U - Shock attenuation protector is used in tunnel engineering blasting - Google Patents
Shock attenuation protector is used in tunnel engineering blasting Download PDFInfo
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- CN215930707U CN215930707U CN202122533796.5U CN202122533796U CN215930707U CN 215930707 U CN215930707 U CN 215930707U CN 202122533796 U CN202122533796 U CN 202122533796U CN 215930707 U CN215930707 U CN 215930707U
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Abstract
The utility model discloses a shock absorption protection device for tunnel engineering blasting, and belongs to the technical field of blasting engineering. It includes the support frame and sets up shock attenuation protection component on the support frame, shock attenuation protection component includes: the first protection piece is arranged above the arc-shaped frame, and the second protection piece is arranged on the outer side wall of the fixing frame; the first prevention piece includes: arc and level setting are at the bolster at the arc both ends, the arc through a plurality of first buffer spring with the arc is put up and is connected, just first buffer spring evenly distributed be in the arc with between the arc. The shock absorption protection device for tunnel engineering blasting is simple in structure, convenient to install and good in stability, achieves a good shock absorption effect in the tunnel blasting construction strand process through the first protection piece and the second protection piece, can separate fragments generated by blasting, prevents the fragments from damaging the structure in a tunnel, and maintains the integrity of the support frame.
Description
Technical Field
The utility model relates to the technical field of blasting engineering, in particular to a damping protection device for blasting in tunnel engineering.
Background
Engineering blasting is commonly used for large-scale work such as mining and mountain-opening, railway repairing, highway and the like, the original structure of a certain object is damaged by using huge energy generated by compression, loosening, damage and throwing of explosives in air, water, earth and stone media or objects, and the function of blasting technology is very important in large-scale projects such as railways, mines, reservoirs and the like. The excavation of mining road repair's mountain excavation tunnel, the city is all can use the blasting technique to demolising of old building, before carrying out blasting construction operation, need be with the help of pre-buried device with the explosive pre-buried to the inside of corresponding pot hole.
In carrying out engineering blasting operation to the tunnel, the shock attenuation protector that uses, poor stability, the shock attenuation effect is poor, can't satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a damping device for engineering blasting, and aims to solve the problems that a damping protection device used in the existing engineering blasting operation of a tunnel is poor in stability and damping effect, and the using requirement cannot be met.
The technical scheme for solving the technical problems is as follows:
the utility model provides a shock attenuation protector is used in tunnel engineering blasting, includes the support frame and sets up shock attenuation protection component on the support frame, the support frame includes: the fixing frames are arranged at two ends of the arc-shaped frame;
the shock attenuation protection component includes: the first protection piece is arranged above the arc-shaped frame, and the second protection piece is arranged on the outer side wall of the fixing frame;
the first prevention piece includes: the buffer device comprises an arc-shaped plate and buffer parts horizontally arranged at two ends of the arc-shaped plate, wherein the arc-shaped plate is connected with an arc-shaped frame through a plurality of first buffer springs, and the first buffer springs are uniformly distributed between the arc-shaped plate and the arc-shaped frame;
the buffer member includes: the connecting block is internally provided with a sliding block, one side of the connecting block, which is close to the arc-shaped plate, is horizontally provided with a sliding groove, and the end part of the arc-shaped plate is connected with the sliding block through the sliding groove; a spring column is fixed on one side of the sliding block, and a supporting plate is connected to one end, far away from the sliding block, of the spring column.
Further, the second prevention piece includes: the fixed block is arranged on the outer side wall of the fixing frame, the movable block is arranged in the fixed block, the fixed block is close to one side of the fixing frame and a second buffer spring is arranged between the inner walls of the fixed block, the fixed block is far away from one side of the fixing frame and is provided with a connecting rod, and the connecting rod penetrates through the side wall of the fixed block and is connected with a protection plate.
Furthermore, the bottom of the fixing frame is also provided with a mounting seat.
Further, the mount includes: the mounting panel and setting are in installation piece on the mounting panel, the installation piece is hollow, be provided with third buffer spring in the installation piece, just third buffer spring passes the installation piece just the bottom of mount contacts.
Furthermore, the bottom of the fixing frame is provided with a mounting groove, the bottom of the fixing frame is arranged in the mounting block and matched with the mounting block, and one end, far away from the mounting block, of the third buffer spring is arranged in the mounting groove.
Furthermore, mounting holes are formed in the periphery of the mounting plate.
The utility model has the following beneficial effects:
the shock absorption protection device for tunnel engineering blasting is simple in structure, convenient to install and good in stability, achieves a good shock absorption effect in the tunnel blasting construction strand process through the first protection piece and the second protection piece, can separate fragments generated by blasting, prevents the fragments from damaging the structure in a tunnel, and maintains the integrity of the support frame.
Drawings
FIG. 1 is a schematic structural view of a shock absorption protective device for tunnel engineering blasting according to the present invention;
fig. 2 is a schematic structural view of a first protection member of the shock absorption protection device for tunnel engineering blasting according to the present invention;
fig. 3 is a schematic structural view of a second protection member of the shock absorption protection device for tunnel engineering blasting according to the present invention;
fig. 4 is a schematic structural diagram of a mounting seat of the shock absorption protection device for tunnel engineering blasting.
In the figure: 100-support frame, 110-arc frame, 120-fixed frame, 121-installation groove, 130-installation seat, 131-installation plate, 132-installation block, 133-third buffer spring, 134-installation hole, 200-first protection piece, 210-arc plate, 220-buffer piece, 221-connection block, 222-sliding block, 223-sliding groove, 224-spring column, 225-support plate, 230-first buffer spring, 300-second protection piece, 310-fixed block, 320-movable block, 330-second buffer spring, 340-connection rod and 350-protection plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the shock absorption protection device for tunnel engineering blasting of the present invention includes a support frame 100 and a shock absorption protection component, wherein the shock absorption protection component is disposed on the support frame 100. The support frame 100 includes: the tunnel comprises an arc-shaped frame 110 and a fixed frame 120, wherein the fixed frame 120 is arranged at two ends of the arc-shaped frame 110, the shape of the arc-shaped frame 110 is matched with that of the top of the tunnel, and in the embodiment, the arc-shaped frame 110 and the fixed frame 120 are detachably connected and are convenient to mount and transport.
Shock attenuation protection component includes: a first prevention piece 200 and a second prevention piece 300, the first prevention piece 200 is disposed above the arc-shaped frame 110, the second prevention piece 300 is disposed at an outer side wall of the fixing frame 120, the first prevention piece 200 is used for shock absorption prevention of the top of the tunnel, and the second prevention piece 300 is used for shock absorption prevention of the side of the tunnel.
Referring to fig. 1 and 2, the first protection component 200 includes: an arc plate 210 and a buffer member 220, wherein the arc plate 210 is connected with the arc frame 110 through a plurality of first buffer springs 230, and the first buffer springs 230 are evenly distributed between the arc plate 210 and the arc frame 110. The bolster 220 level sets up the bolster 220 at arc 210 both ends, and bolster 220 includes: the connecting device comprises a hollow connecting block 221, wherein a sliding block 222 is arranged in the connecting block 221, a sliding groove 223 is horizontally formed in one side, close to the arc-shaped plate 210, of the connecting block 221, and the end part of the arc-shaped plate 210 is connected with the sliding block 222 through the sliding groove 223; a spring post 224 is fixed on one side of the slider 222, and a support plate 225 is connected to one end of the spring post 224 away from the slider 222. In use, the support plate 225 is in contact with the side plates of the tunnel. When pressure is applied from the top of the tunnel, the arc-shaped plate 210 is pressed downwards under force, the first buffer spring 230 plays a role of shock absorption, and the buffer piece 220 drives the arc-shaped plate 210 to move left and right respectively, and the support plate 225 and the spring post 224 play a role of buffer.
Referring to fig. 1 and 3, the second protection component 300 includes: the fixing frame 120 comprises a hollow fixing block 310, the fixing block 310 is arranged on the outer side wall of the fixing frame 120, a movable block 320 is arranged in the fixing block 310, a second buffer spring 330 is arranged between one side, close to the fixing frame 120, of the fixing block 310 and the inner wall of the fixing block 310, a connecting rod 340 is arranged on one side, far away from the fixing frame 120, of the fixing block 310, and the connecting rod 340 penetrates through the side wall of the fixing block 310 and is connected with a protection plate 350. In this embodiment, the shape of the shielding plate 350 may be adjusted according to the condition of the side wall of the tunnel.
Referring to fig. 1 and 4, a mounting seat 130 is further disposed at the bottom of the fixing frame 120 for mounting and fixing the fixing frame 120. The mount 130 includes: the mounting plate 131 and the mounting block 132 disposed on the mounting plate 131, the mounting block 132 is hollow, a third buffer spring 133 is disposed in the mounting block 132, and the third buffer spring 133 passes through the mounting block 132 and contacts with the bottom of the fixing frame 120. In another embodiment of the present invention, the bottom of the fixing frame 120 is provided with a mounting groove 121, the bottom of the fixing frame 120 is disposed in the mounting block 132 and is matched with the mounting block 132, and one end of the third buffer spring 133 away from the mounting block 132 is disposed in the mounting groove 121. The periphery of the mounting plate 131 is further provided with mounting holes 134, and the mounting holes 134 are fixedly mounted through fixing bolts. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The shock absorption protection device for tunnel engineering blasting comprises a support frame (100) and a shock absorption protection component arranged on the support frame (100), wherein the support frame (100) comprises: the fixing device comprises an arc-shaped frame (110) and fixing frames (120) arranged at two ends of the arc-shaped frame (110);
the shock attenuation protection component includes: a first shielding member (200) disposed above the arc-shaped frame (110) and a second shielding member (300) disposed at an outer side wall of the fixed frame (120);
the first prevention piece (200) includes: the buffer device comprises an arc-shaped plate (210) and buffer parts (220) horizontally arranged at two ends of the arc-shaped plate, wherein the arc-shaped plate (210) is connected with an arc-shaped frame (110) through a plurality of first buffer springs (230), and the first buffer springs (230) are uniformly distributed between the arc-shaped plate (210) and the arc-shaped frame (110);
the buffer (220) comprises: the connecting device comprises a hollow connecting block (221), wherein a sliding block (222) is arranged in the connecting block (221), a sliding groove (223) is horizontally formed in one side, close to the arc-shaped plate (210), of the connecting block (221), and the end part of the arc-shaped plate (210) is connected with the sliding block (222) through the sliding groove (223); a spring column (224) is fixed on one side of the sliding block (222), and a supporting plate (225) is connected to one end, far away from the sliding block (222), of the spring column (224).
2. The shock absorbing and shielding device for tunnel engineering blasting according to claim 1, wherein the second shielding member (300) comprises: hollow fixed block (310), fixed block (310) set up the lateral wall of mount (120), be provided with movable block (320) in fixed block (310), fixed block (310) are close to one side of mount (120) with be provided with second buffer spring (330) between fixed block (310) inner wall, fixed block (310) are kept away from one side of mount (120) is provided with connecting rod (340), just connecting rod (340) pass the lateral wall of fixed block (310) and be connected with guard plate (350).
3. The shock absorption and protection device for tunnel engineering blasting according to claim 1, wherein the bottom of the fixing frame (120) is further provided with a mounting seat (130).
4. The shock absorbing and protecting device for tunnel engineering blasting according to claim 3, wherein the mounting seat (130) comprises: the mounting plate (131) and the mounting block (132) arranged on the mounting plate (131), the mounting block (132) is hollow, a third buffer spring (133) is arranged in the mounting block (132), and the third buffer spring (133) penetrates through the mounting block (132) and the bottom of the fixing frame (120) is contacted.
5. The shock absorption and protection device for tunnel engineering blasting according to claim 4, wherein a mounting groove (121) is formed in the bottom of the fixing frame (120), the bottom of the fixing frame (120) is arranged in the mounting block (132) and matched with the mounting block (132), and one end, far away from the mounting block (132), of the third buffer spring (133) is arranged in the mounting groove (121).
6. The shock absorption and protection device for tunnel engineering blasting according to claim 4 or 5, wherein the mounting plate (131) is further provided with mounting holes (134) at the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533796.5U CN215930707U (en) | 2021-10-20 | 2021-10-20 | Shock attenuation protector is used in tunnel engineering blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533796.5U CN215930707U (en) | 2021-10-20 | 2021-10-20 | Shock attenuation protector is used in tunnel engineering blasting |
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| Publication Number | Publication Date |
|---|---|
| CN215930707U true CN215930707U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122533796.5U Active CN215930707U (en) | 2021-10-20 | 2021-10-20 | Shock attenuation protector is used in tunnel engineering blasting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858018A (en) * | 2022-05-27 | 2022-08-05 | 侨智建设有限公司 | A damping device that is used for tunnel blasting of complicated high stress country rock area |
| CN115325899A (en) * | 2022-06-30 | 2022-11-11 | 四川华能泸定水电有限公司 | Blasting protector |
-
2021
- 2021-10-20 CN CN202122533796.5U patent/CN215930707U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858018A (en) * | 2022-05-27 | 2022-08-05 | 侨智建设有限公司 | A damping device that is used for tunnel blasting of complicated high stress country rock area |
| CN114858018B (en) * | 2022-05-27 | 2024-01-12 | 侨智建设有限公司 | Damping device for tunnel blasting of complex high-stress surrounding rock zone |
| CN115325899A (en) * | 2022-06-30 | 2022-11-11 | 四川华能泸定水电有限公司 | Blasting protector |
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