CN216245901U - Protective device for blasting construction vibration of underpass tunnel - Google Patents
Protective device for blasting construction vibration of underpass tunnel Download PDFInfo
- Publication number
- CN216245901U CN216245901U CN202122895196.3U CN202122895196U CN216245901U CN 216245901 U CN216245901 U CN 216245901U CN 202122895196 U CN202122895196 U CN 202122895196U CN 216245901 U CN216245901 U CN 216245901U
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- Prior art keywords
- vibration
- blasting
- buffer
- blasting construction
- plate
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- 238000005422 blasting Methods 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 title abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000013016 damping Methods 0.000 claims abstract description 22
- 239000000872 buffer Substances 0.000 claims abstract description 20
- 239000004575 stone Substances 0.000 claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims description 24
- 239000007853 buffer solution Substances 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 15
- 239000002689 soil Substances 0.000 abstract description 13
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of underpass tunnel construction, in particular to a protective device for blasting construction vibration of an underpass tunnel, which comprises a flying stone prevention buffer mechanism, the top and the bottom of the flying stone preventing buffer mechanism are both provided with a supporting and damping mechanism, and four corners of the bottom of the supporting and damping mechanism at the bottom are both provided with a fixing mechanism, by the arrangement of the protective device for blasting construction vibration of the underpass tunnel, the soil body and the rock body on the top end of the tunnel and the ground can be respectively supported by the upper and the lower supporting and damping mechanisms, can support the soil body or the rock mass of tunnel blasting face through preventing flying stone buffer gear to prevent that the flying stone that the blasting produced from spattering outward, buffer spring and damping spring can cut down the vibrations that top surface and ground transmission come during the blasting, and the stability of soil body or rock mass during the protection blasting improves the security of tunnel blasting construction down.
Description
Technical Field
The utility model relates to the technical field of underpass tunnel construction, in particular to a protection device for underpass tunnel blasting construction vibration.
Background
Tunnels can be generally divided into three major categories, mountain tunnels, underwater tunnels and urban tunnels. Tunnels that traverse from mountains or hills in order to shorten the distance and avoid large slopes are called mountain tunnels; tunnels passing under a river or the sea floor to cross a river or a channel are called underwater tunnels; tunnels that are traversed underground in cities to accommodate the need for railways to traverse large cities are called urban tunnels.
Generally, when a tunnel is constructed, blasting construction needs to be performed on the tunnel, large vibration can be generated in the blasting process, the stability of soil or rock around the tunnel is affected, the tunnel is easily collapsed, and certain potential safety hazards exist.
Therefore, the protection device for blasting construction vibration of the underpass tunnel is designed to change the technical defects, improve the overall practicability and be very important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a protection device for blasting construction vibration of a downward-through tunnel, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a protector of tunnel blasting construction vibration wears down, includes prevents flying stone buffer gear, prevent that flying stone buffer gear's top and bottom all are provided with supports damper, are located the bottom four corners that support the damper bottom all are provided with fixed establishment.
As a preferable scheme of the present invention, the flying stone preventing buffer mechanism includes a plurality of groups of supporting main rods arranged horizontally and at the same interval, a supporting sub-rod is arranged inside the supporting main rod, a shock absorbing spring is sleeved outside the supporting sub-rod and on the top of the supporting main rod, and an explosion-proof rubber net is connected between each two adjacent groups of the supporting main rods and the supporting sub-rods through bolts.
Preferably, the external structure of the auxiliary support rod corresponds to the internal structure of the main support rod, and the main support rod and the auxiliary support rod are connected in a sliding manner.
As a preferable scheme of the present invention, the supporting and damping mechanism includes an upper plate and a lower plate, four corners of the top of the lower plate are all provided with a buffering base, four corners of the bottom of the upper plate and positions corresponding to the buffering bases are all provided with a buffering upper cover, the buffering base is internally provided with a buffering spring connected with the inside of the buffering upper cover, and a plurality of groups of damping springs are uniformly distributed between the upper plate and the lower plate.
Preferably, the top of the upper base plate is fixedly connected with the bottom of the main support rod through a bolt, and the bottom of the lower base plate is fixedly connected with the top of the auxiliary support rod through a bolt.
As a preferable scheme of the present invention, the buffer base is fixedly connected to the lower base plate through a bolt, the buffer upper cover is fixedly connected to the upper base plate through a bolt, and the buffer base and the buffer upper cover are connected in a sliding manner.
As a preferable scheme of the utility model, the fixing mechanism comprises a fixing column, a supporting ground mat and a ground inserting needle point, the ground inserting needle point is arranged inside the fixing column, a sliding groove is formed in the outer side of the fixing column, a hammering plate is arranged on the outer side of the fixing column and at a position corresponding to the sliding groove, and one end of the hammering plate extends into the sliding groove and is connected with the ground inserting needle point.
As a preferable scheme of the utility model, the fixed column is fixedly connected with the lower bottom plate through a bolt, and the ground inserting needle point is connected with the fixed column in a sliding manner.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the protection device for the blasting construction vibration of the underpass tunnel, the upper support damping mechanism and the lower support damping mechanism can respectively support the soil body and the rock body on the top end of the tunnel and the ground, the flying rock prevention buffering mechanism can support the soil body or the rock body on the blasting surface of the tunnel and prevent flying rocks generated by blasting from splashing, the buffering springs and the damping springs can reduce the vibration transmitted from the top surface and the ground during blasting, the stability of the soil body or the rock body during blasting is protected, and the safety of the blasting construction of the underpass tunnel is improved.
2. According to the utility model, through the arrangement of the protection device for the blasting construction vibration of the underpass tunnel, the fixing mechanism can be convenient for constructors to fix the device on the ground, so that the stability of the device is improved, and the stability of a soil body or a rock body in the blasting process can be ensured.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a view of the fixing mechanism of the present invention;
FIG. 3 is an internal view of a partial structure of the present invention.
In the figure: 1. a flyrock prevention buffer mechanism; 101. supporting the main rod; 102. a support sub-rod; 103. a shock absorbing spring; 104. an explosion-proof rubber net; 2. supporting the damping mechanism; 201. an upper base plate; 202. a lower base plate; 203. a buffer base; 204. buffering the upper cover; 205. a buffer spring; 206. a damping spring; 3. a fixing mechanism; 301. fixing a column; 302. a supporting floor mat; 303. a ground inserting needle point; 304. a chute; 305. and (5) hammering the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a protector of tunnel blasting construction vibration wears down, includes prevents flying stone buffer gear 1, prevents that the top and the bottom of flying stone buffer gear 1 all are provided with and support damper 2, and four corners that are located the support damper 2 bottom of bottom all are provided with fixed establishment 3.
In an embodiment, referring to fig. 1, fig. 2 and fig. 3, the flying stone preventing buffer mechanism 1 includes a plurality of groups of supporting main rods 101 that are horizontally arranged and have the same interval, a supporting sub-rod 102 is arranged inside the supporting main rods 101, a shock absorbing spring 103 is sleeved outside the supporting sub-rod 102 and on the top of the supporting main rods 101, each two adjacent groups of supporting main rods 101 and supporting sub-rods 102 are connected to each other through bolts commonly, an explosion-proof rubber net 104 is arranged between the supporting sub-rods 102 and the supporting main rods 101, the external structure size of the supporting sub-rods 102 corresponds to the internal structure size of the supporting main rods 101, and the supporting main rods 101 and the supporting sub-rods 102 are connected in a sliding manner.
In an embodiment, referring to fig. 1 and 2, the supporting damping mechanism 2 includes an upper plate 201 and a lower plate 202, four corners of the top of the lower plate 202 are respectively provided with a buffering base 203, four corners of the bottom of the upper plate 201 and positions corresponding to the buffering bases 203 are respectively provided with a buffering upper cover 204, the buffering bases 203 are internally provided with a buffering spring 205 connected with the inside of the buffering upper cover 204, a plurality of groups of damping springs 206 uniformly distributed are arranged between the upper plate 201 and the lower plate 202, the top of the upper plate 201 is fixedly connected with the bottom of the supporting main rod 101 through bolts, the bottom of the lower plate 202 is fixedly connected with the top of the supporting auxiliary rod 102 through bolts, the buffering bases 203 are fixedly connected on the lower plate 202 through bolts, the buffering upper cover 204 is fixedly connected on the upper plate 201 through bolts, and the connection between the buffering bases 203 and the buffering upper cover 204 is a sliding connection.
In an embodiment, referring to fig. 1 and 3, the fixing mechanism 3 includes a fixing column 301, a supporting ground mat 302 and a ground inserting needle tip 303, the ground inserting needle tip 303 is disposed inside the fixing column 301, a sliding slot 304 is formed on an outer side of the fixing column 301, a hammering plate 305 is disposed on an outer side of the fixing column 301 and corresponding to the sliding slot 304, one end of the hammering plate 305 extends into the sliding slot 304 and is connected with the ground inserting needle tip 303, the fixing column 301 and the lower plate 202 are fixedly connected through a bolt, and the ground inserting needle tip 303 and the fixing column 301 are connected in a sliding manner.
The working process of the utility model is as follows: when in use, the protection device is placed on one side of a tunnel blasting surface, soil and rock mass on the top end of the tunnel and the ground can be respectively supported by the upper and the lower supporting damping mechanisms 2, the flying stone prevention damping mechanism 1 can support the soil or rock mass on the tunnel blasting surface, the damping base 203, the damping upper cover 204 and the damping spring 205 can weaken the vibration in one level during blasting, the multiple groups of damping springs 206 can reduce the vibration transmitted from the top surface and the ground in two levels during blasting, the stability of the soil or rock mass during blasting is protected, further, the supporting main rod 101, the supporting auxiliary rod 102 and the shock absorption spring 103 can enable the whole device to have certain elasticity, the vibration force transmitted from the soil or rock mass on the top end of the tunnel can be relieved, the explosion-proof rubber net 104 can prevent the flying stones generated by blasting from splashing, and the protection device can not cause potential safety hazards due to overlarge vibration, fixing mechanism 3 can make things convenient for constructor to fix the device on ground, improves the stability of device, and it is underneath to make to insert ground needle point 303 through hammering board 305, guarantees the stability of the soil body or rock mass among the blasting process, improves the security of passing tunnel blasting construction down.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a protector of tunnel blasting construction vibration is worn down, includes prevents flying stone buffer gear (1), its characterized in that: the top and the bottom of the flyrock-proof buffer mechanism (1) are provided with supporting damping mechanisms (2), and four corners of the bottom of each supporting damping mechanism (2) are provided with fixing mechanisms (3).
2. The device for protecting the vibration of the blasting construction of the underpass tunnel according to claim 1, wherein: prevent flying stone buffer gear (1) including multiunit horizontal setting and interval the same support mobile jib (101), the inside of supporting mobile jib (101) is provided with supports auxiliary rod (102), the top that supports the outside of auxiliary rod (102) and be located support mobile jib (101) has cup jointed shock-absorbing spring (103), and every two sets of adjacent support mobile jib (101) and support auxiliary rod (102) between be connected with explosion-proof rubber net (104) jointly through the bolt.
3. The device for protecting the vibration of the blasting construction of the underpass tunnel according to claim 2, wherein: the external structure size of the auxiliary supporting rod (102) corresponds to the internal structure size of the main supporting rod (101), and the main supporting rod (101) is connected with the auxiliary supporting rod (102) in a sliding mode.
4. The device for protecting the vibration of the blasting construction of the underpass tunnel according to claim 1, wherein: support damper (2) and include upper plate (201) and lower plate (202), four corners at lower plate (202) top all are provided with buffering base (203), four corners of upper plate (201) bottom and the position department of corresponding buffering base (203) all are provided with buffering upper cover (204), the inside of buffering base (203) is provided with buffer spring (205) that are connected with buffering upper cover (204) inside, be provided with multiunit evenly distributed's damping spring (206) between upper plate (201) and lower plate (202).
5. The device for protecting the vibration of the blasting construction of the underpass tunnel according to claim 4, wherein: the top of the upper bottom plate (201) is fixedly connected with the bottom of the main supporting rod (101) through bolts, and the bottom of the lower bottom plate (202) is fixedly connected with the top of the auxiliary supporting rod (102) through bolts.
6. The device for protecting the vibration of the blasting construction of the underpass tunnel according to claim 4, wherein: the buffer base (203) is fixedly connected to the lower bottom plate (202) through bolts, the buffer upper cover (204) is fixedly connected to the upper bottom plate (201) through bolts, and the buffer base (203) is connected with the buffer upper cover (204) in a sliding mode.
7. The device for protecting the vibration of the blasting construction of the underpass tunnel according to claim 1, wherein: the fixing mechanism (3) comprises a fixing column (301), a supporting ground mat (302) and a ground inserting needle point (303), the ground inserting needle point (303) is arranged inside the fixing column (301), a sliding groove (304) is formed in the outer side of the fixing column (301), a hammering plate (305) is arranged on the outer side of the fixing column (301) and in the position corresponding to the sliding groove (304), and one end of the hammering plate (305) extends into the sliding groove (304) and is connected with the ground inserting needle point (303).
8. The device for protecting the vibration in the blasting construction of the underpass tunnel according to claim 7, wherein: the fixed column (301) is fixedly connected with the lower bottom plate (202) through a bolt, and the ground inserting needle point (303) is connected with the fixed column (301) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122895196.3U CN216245901U (en) | 2021-11-23 | 2021-11-23 | Protective device for blasting construction vibration of underpass tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122895196.3U CN216245901U (en) | 2021-11-23 | 2021-11-23 | Protective device for blasting construction vibration of underpass tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216245901U true CN216245901U (en) | 2022-04-08 |
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ID=80956854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122895196.3U Expired - Fee Related CN216245901U (en) | 2021-11-23 | 2021-11-23 | Protective device for blasting construction vibration of underpass tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216245901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143856A (en) * | 2022-08-11 | 2022-10-04 | 北京市政路桥股份有限公司 | Vibration damping column and novel blasting vibration protection device thereof |
-
2021
- 2021-11-23 CN CN202122895196.3U patent/CN216245901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143856A (en) * | 2022-08-11 | 2022-10-04 | 北京市政路桥股份有限公司 | Vibration damping column and novel blasting vibration protection device thereof |
| CN115143856B (en) * | 2022-08-11 | 2024-04-02 | 北京市政路桥股份有限公司 | Vibration-resistant column and blasting vibration protection device thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |