CN209761449U - Temporary supporting device for tunnel construction site - Google Patents
Temporary supporting device for tunnel construction site Download PDFInfo
- Publication number
- CN209761449U CN209761449U CN201920233310.6U CN201920233310U CN209761449U CN 209761449 U CN209761449 U CN 209761449U CN 201920233310 U CN201920233310 U CN 201920233310U CN 209761449 U CN209761449 U CN 209761449U
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- Prior art keywords
- supporting
- water tank
- construction site
- tunnel construction
- rod
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a tunnel job site temporary support device. The device comprises a supporting component, wherein the supporting component comprises two first supporting frames, the first supporting frames are arc-shaped, and the two first supporting frames are symmetrically arranged on the left side and the right side of the tunnel; the device comprises a water tank, wherein the water tank is positioned at the bottom of the device, a first end of the upper surface of the water tank is fixedly connected to the inner side wall of one of the first support frames, a second end of the upper surface of the water tank is fixedly connected to the inner side wall of the other one of the first support frames, a water suction pipe and a water outlet pipe are further arranged at the position of the water tank, the water suction pipe is communicated with one end of the water tank along the axial direction, the water outlet pipe is communicated with the other end of the water tank along the axial direction, a water pump is further. The device can discharge the ponding inside the tunnel in time, can prevent the phenomenon emergence of the inside water leakage of tunnel, infiltration effectively.
Description
Technical Field
The utility model belongs to the technical field of tunnel and underground works, mainly relate to a tunnel job site temporary support device.
Background
With the development of the domestic underground engineering technology, the construction of underground tunnel traffic is more and more popular at present, and the support of tunnel caverns is a crucial link. In the railway tunnel construction, adverse geological conditions are often encountered, for example, the geological surrounding rock conditions are easy to break and fracture due to the poor fracture structure development condition along some tunnels, and some hydrogeology and special geological conditions occur, if the conventional railway tunnel construction method is only used for simply carrying out primary support and secondary lining as a tunnel support structure, wherein the primary support is formed by single-layer concrete spraying, system anchor rods and a built-in steel frame and is a flexible support system, for the poor geological conditions, the primary support is easy to deform and crack, the surrounding rock is likely to be strongly settled, the water seepage is large, the rock mass is likely to collapse and gush in severe conditions, and at present, no support device can well solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can prevent infiltration, tunnel job site temporary support device who leaks.
In order to achieve the purpose, the temporary supporting device for the tunnel construction site comprises a supporting assembly, wherein the supporting assembly comprises two first supporting frames, the two first supporting frames are both arc-shaped, and the two first supporting frames are symmetrically arranged on the left side and the right side of a tunnel; the temporary support device for the tunnel construction site comprises a water tank, the water tank is located at the bottom of the temporary support device for the tunnel construction site, a first end of the upper surface of the water tank is fixedly connected to the inner side wall of one of the first support frames, a second end of the upper surface of the water tank is fixedly connected to the inner side wall of the other first support frame, a water suction pipe and a water outlet pipe are further arranged at the position of the water tank, the water suction pipe is communicated with one end of the water tank along the axial direction, the water outlet pipe is communicated with the other end of the water tank along the axial direction, a water pump.
In the scheme, the two first supporting frames are respectively placed on the left side and the right side of the tunnel. When the circumstances such as infiltration, leaking appear in the tunnel body, open the starting switch of water pump, the water pump begins work, through the ponding suction pipe with the inside leakage of tunnel body to absorb water the pipe in, inside the water tank was carried to the rethread pipe that absorbs water, discharges through the outlet pipe, just so can prevent that the circumstances such as infiltration, leaking from appearing in the tunnel.
Preferably, the supporting component includes first gasbag, extrusion device, the second support frame, the spring arm, a supporting plate, the second gasbag, the fixed plate, the support stock, first gasbag and extrusion device's quantity is two, first gasbag and extrusion device all set up with first support frame one-to-one, first gasbag sets up the outside at the first support frame that corresponds, the extrusion hole has been seted up on first support frame, extrusion device passes first gasbag and the extrusion hole that corresponds in proper order, the second support frame is located the top of first support frame, the spring arm is located the upper portion of first support frame, the backup pad is located the upper portion of spring arm, the second gasbag is located the upper portion of backup pad, the fixed plate is located the upper portion of second gasbag, the support stock is located the upper portion of fixed plate.
According to the scheme, the two first supporting frames are respectively placed on the left side and the right side of the tunnel, and the second supporting frame is located at the tops of the two first supporting frames. The outer sides of the two first supporting frames are respectively provided with a first air bag, and each first air bag is provided with an extrusion device. The extrusion device is contacted with the tunnel body, and the first air bag plays a role in buffering and prevents the extrusion device from being damaged. The quantity of supporting the stock is more than two, and the upside that supports the stock and contact with the tunnel body is provided with the fixed plate in the bottom that supports the stock, is provided with the second gasbag in the bottom of fixed plate, and the second gasbag plays the effect of buffering, prevents that this supporting device from damaging.
Preferably, the temporary supporting device for the tunnel construction site further comprises a sliding rail and a traveling device, the sliding rail is located at the bottom of the temporary supporting device for the tunnel construction site, the traveling device is fixedly connected with the bottom of the water tank, a sliding groove is formed in the upper surface of the sliding rail, and the traveling device travels in the sliding groove.
The further scheme is that the walking device comprises a walking frame, a connecting shaft and a roller, the connecting shaft is located at the bottom of the walking frame, a through hole is formed in the roller, and the connecting shaft penetrates through the through hole to fix the roller on the connecting shaft.
in the scheme, the idler wheels can roll in the sliding grooves, so that the whole temporary supporting device is driven to run on the sliding rails, and the working position of the temporary supporting device can be changed randomly along with the transfer of the construction position.
According to a further scheme, the temporary supporting device for the tunnel construction site further comprises a reinforcing rod, one end of the reinforcing rod is connected with the upper surface of the water tank, and the other end of the reinforcing rod is connected with the inner side wall of the first supporting frame.
In the above scheme, the number of the reinforcing rods is more than two, and the reinforcing rods play a role in supporting the first support frame. The reinforcing rod can prevent the first support frame from being deformed due to excessive extrusion because the pressure applied to the second support frame can be excessive.
The lower surface of the supporting plate is provided with an elastic pressing rod, the upper surface of the second supporting frame is provided with a first switch, the lower surface of the second supporting frame is provided with a first warning lamp, and the first position of the elastic pressing rod corresponds to the position of the switch in the vertical direction.
In above-mentioned scheme, when the pressure that the support stock received was too big, support the stock and extrude the backup pad downwards, backup pad downstream drives the depression bar downstream, and when the range of depression bar downstream was too big, the depression bar touched first switch, and first warning light is luminous, reminds constructor this moment to come from the tunnel upper portion pressure too big, and the tunnel has the risk of collapsing, and constructor need take emergency measures.
The further scheme is that a power distribution column is arranged on the upper surface of the water tank, a protective frame is fixed on the upper portion of the power distribution column, a second switch is arranged on the protective frame, and a second warning lamp is arranged on the side wall of the power distribution column.
In the above scheme, the number of the power distribution posts is two, and the number of the protection frame and the number of the second switches are two. Two distribution posts are symmetrically arranged on the left side and the right side of the tunnel. When the pressure that produces in tunnel both sides was too big, this meeting in tunnel extrudees extrusion device towards the inboard, and extrusion device moves towards the inboard, and when extrusion device towards the range of inboard motion too big, touch the second switch, the second warning light is luminous. The second warning light is luminous, and the pressure that the tunnel body of the corresponding side of this second warning light produced is too big, explains that there is the risk of collapsing in this side tunnel, and constructor should take emergency measures this moment.
According to a further scheme, the extrusion device comprises a supporting block, an extrusion rod, a pressing rod, a spring and a pressing block, wherein the extrusion rod is located at the lower portion of the supporting block, the pressing rod is located at the lower portion of the extrusion rod, the pressing block is located at the lower portion of the pressing rod, and the spring is sleeved on the outer wall of the pressing rod.
In the above scheme, the supporting shoe is direct and the contact of tunnel body, still is provided with the locating part in extrusion hole inside, and the locating part borders on with the spring, because extrusion hole internal diameter is greater than the extrusion stem external diameter, has cup jointed the spring on the outer wall according to the depression bar in order to prevent the extrusion device slippage, and the locating part blocks the spring, plays limiting displacement to prevent the extrusion device slippage.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a side view of a water tank and related components of an embodiment of the invention.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is a schematic structural diagram of an extrusion device according to an embodiment of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a tunnel construction site temporary support device includes supporting component. The supporting component comprises a first supporting frame 1, a first air bag 2, an extrusion device 3, a second supporting frame 4, a spring rod 5, a supporting plate 6, a second air bag 7, a fixing plate 8, a supporting anchor rod 9 and a water tank 10. The first support frames 1 are arc-shaped and are two in number, the two first support frames 1 are respectively arranged on the left side and the right side of the tunnel, the first air bags 2 and the extrusion devices 3 are two in number, and the first air bags 2 are arranged on the outer sides of the first support frames 1 to protect the first support frames 1. The extrusion device 3 sequentially penetrates through the corresponding first air bag 2 and the inside of the first support frame 3. The second support frame 4 is located at the top of the first support frame 1, the spring rod 5 is located at the upper portion of the first support frame 1, the support plate 6 is located at the upper portion of the spring rod 5, the second air bag 7 is located at the upper portion of the support plate 6, the fixing plate 8 is located at the upper portion of the second air bag 7, the support anchor rod 9 is located at the upper portion of the fixing plate 8, the water tank 10 is located at the bottom of the temporary support device in the tunnel construction site, the left end of the upper surface of the water tank 10 is fixedly connected to the inner side wall of one of the first support frames 1, and the right end 10 of the upper surface of the water tank is fixedly connected.
The water tank 10 is further provided with a water suction pipe 101 and a water outlet pipe 102, the water suction pipe 101 is communicated with one axial end of the water tank 10, and the water outlet pipe 102 is communicated with the other axial end of the water tank 10. A water pump 103 is also arranged at the water tank 10, and the water pump 103 is communicated with the water suction pipe 101. Preferably, the water pump 103 is an electric water pump. The bottom of the water tank 10 is also provided with a slide rail 11 and a traveling device 12, the upper surface of the slide rail 11 is provided with a chute 13, and the traveling device 12 can travel along the inside of the chute 13, so that the station of the temporary support device is changed.
An elastic pressing rod 14 is arranged on the lower surface of the supporting plate 6, a first switch 15 is arranged on the upper surface of the second supporting frame 4, a first warning lamp 16 is arranged on the lower surface of the second supporting frame 4, and the position of the elastic pressing rod 14 corresponds to the position of the first switch 15 in the vertical direction. The upper surface of the water tank 10 is provided with two or more reinforcing rods 17, one end of each reinforcing rod 17 is fixed on the upper surface of the water tank 10, and the other end of each reinforcing rod 17 is fixed on the inner side wall of the first support frame 1. The reinforcing bars 17 prevent the first support frame 1 from being deformed by excessive pressing. A distribution post 18 is further provided on the upper surface of the water tank 10, a protection frame 19 is provided at the upper end of the distribution post 18, a second switch 20 is provided on the protection frame 19, and a second warning lamp 21 is further provided on the side surface wall of the distribution post 18.
In this embodiment, when the tunnel body has the conditions of water seepage, water leakage and the like, the starting switch of the water pump 103 is turned on, the water pump 103 starts to work, the accumulated water leaked inside the tunnel body is pumped into the water suction pipe 101 through the water suction pipe 101, and is conveyed into the water tank 10 through the water suction pipe 101 and is discharged through the water outlet pipe 102, so that the conditions of water seepage, water leakage and the like in the tunnel can be prevented. When the pressure that supports stock 9 and receive is too big, support stock 9 extrudees backup pad 6 downwards, and backup pad 6 downstream drives the downstream of pressure spring pole 14, and when the range of pressure spring pole 14 downstream was too big, pressure spring pole 14 touched first switch 15, and first warning light 16 is luminous, reminds constructor to come from the tunnel upper portion pressure too big this moment, and the tunnel has the risk of collapsing, and constructor need take emergency measures. When the pressure that produces in tunnel both sides was too big, this body of tunnel can be with extrusion device 3 extrusion towards the inboard, and extrusion device 3 moves towards the inboard, and the range of moving towards the inboard when extrusion device 3 is too big, touches second switch 20, and second warning light 21 is luminous. The second warning light 21 emits light to indicate that the pressure generated by the tunnel body on the side corresponding to the second warning light 21 is too high, which indicates that the tunnel on the side has the risk of collapse, and at this time, the construction personnel should take emergency measures.
Referring to fig. 3, the walking device 12 includes a walking frame 121, a connecting shaft 122, and a roller 123, wherein the connecting shaft 122 is located at the lower end of the walking frame 121, a through hole is formed in the roller 123, and the connecting shaft 122 penetrates through the through hole to fix the roller 123 on the connecting shaft 122. The number of the traveling devices 12 is two, and the two traveling devices 12 are symmetrically arranged on the left side and the right side of the device.
In this embodiment, the roller 123 can roll in the sliding groove 13, so as to drive the entire temporary support device to travel on the sliding rail 11, so that the temporary support device can be arbitrarily switched to the working position along with the transfer of the construction position.
Referring to fig. 4, the pressing device 3 includes a supporting block 31, a pressing rod 32, a pressing rod 33, a spring 34, and a pressing block 35, the pressing rod 32 is located at the lower portion of the supporting block 31, the pressing rod 33 is located at the lower portion of the pressing rod 32, the pressing block 35 is located at the lower portion of the pressing rod 33, and the spring 34 is sleeved on the outer wall of the pressing rod 33. The pressing device 3 passes through the pressing hole, a limiting member 22 is arranged in the pressing hole, the limiting member 22 is abutted to the spring 34, the inner wall surface of the pressing hole in the shape of the limiting member 22 extends towards the spring 34, and preferably, one end of the limiting member 22 close to the spring 34 is provided with a hook for hooking one coil of the spring 34.
In this embodiment, the supporting block 31 directly contacts with the tunnel body, and since the inner diameter of the extrusion hole is larger than the outer diameter of the extrusion rod 32, in order to prevent the extrusion device 3 from slipping, the spring 34 is sleeved on the outer wall of the extrusion rod 33, and the limiting member 22 hooks the coil of the spring 34 to play a limiting role, so as to prevent the extrusion device 3 from slipping from the extrusion hole.
Of course, it is an alternative that a limiting groove is provided on the outer wall of the pressing rod 33, and the limiting member 22 is inserted into the limiting groove, so as to prevent the extrusion device 3 from slipping out of the extrusion hole.
in the embodiment, the water pump 103, the first warning light 16 and the second warning light 21 are all electrically connected with 220V mains supply, and a part of wires are arranged inside the power distribution post 18, so that electric leakage caused by too many wires exposed outside can be prevented.
Claims (8)
1. A temporary supporting device for a tunnel construction site comprises a supporting assembly, wherein the supporting assembly comprises two first supporting frames, the two first supporting frames are both arc-shaped, and the two first supporting frames are symmetrically arranged on two sides of a tunnel;
The method is characterized in that:
the temporary supporting device for the tunnel construction site comprises a water tank, wherein the water tank is positioned at the bottom of the temporary supporting device for the tunnel construction site, a first end of the upper surface of the water tank is fixedly connected to the inner side wall of one of the first supporting frames, a second end of the upper surface of the water tank is fixedly connected to the other inner side wall of the first supporting frame, a water suction pipe and a water outlet pipe are further arranged at the position of the water tank, the water suction pipe is communicated with one end of the water tank along the axial direction, the water outlet pipe is communicated with the other end of the water tank along the axial direction, a water pump is further arranged at the position of the water tank, and the water.
2. The temporary support device for a tunnel construction site according to claim 1, wherein:
The supporting component comprises a first air bag, an extrusion device, a second supporting frame, a spring rod, a supporting plate, a second air bag, a fixing plate and a supporting anchor rod, the number of the first air bags and the number of the extrusion devices are two, the first air bags and the extrusion devices are arranged in one-to-one correspondence with the first support frames, the first air bags are arranged on the outer sides of the corresponding first support frames, the first support frame is provided with an extrusion hole, the extrusion device sequentially passes through the corresponding first air bag and the extrusion hole, the second support frame is positioned at the top of the first support frame, the spring rod is positioned at the upper part of the first support frame, the support plate is positioned at the upper part of the spring rod, the second air bag is positioned at the upper part of the support plate, the fixing plate is located on the upper portion of the second air bag, and the supporting anchor rod is located on the upper portion of the fixing plate.
3. The temporary support device for a tunnel construction site according to claim 2, wherein:
the temporary supporting device for the tunnel construction site further comprises a sliding rail and a traveling device, the sliding rail is located at the bottom of the temporary supporting device for the tunnel construction site, the traveling device is fixedly connected with the bottom of the water tank, a sliding groove is formed in the upper surface of the sliding rail, and the traveling device travels inside the sliding groove.
4. The temporary support device for a tunnel construction site according to claim 3, wherein:
the walking device comprises a walking frame, a connecting shaft and a roller, wherein the connecting shaft is positioned at the bottom of the walking frame, a through hole is formed in the roller, and the connecting shaft penetrates through the through hole to fix the roller on the connecting shaft.
5. the temporary support device for a tunnel construction site according to claim 4, wherein:
The temporary supporting device for the tunnel construction site further comprises a reinforcing rod, one end of the reinforcing rod is connected with the upper surface of the water tank, and the other end of the reinforcing rod is connected with the inner side wall of the first supporting frame.
6. The temporary support device for a tunnel construction site according to claim 4, wherein:
The lower surface of the supporting plate is provided with an elastic pressing rod, the upper surface of the second supporting frame is provided with a first switch, the lower surface of the second supporting frame is provided with a first warning lamp, and the elastic pressing rod corresponds to the first switch in the vertical direction.
7. The temporary support device for a tunnel construction site according to claim 4, wherein:
the upper surface of water tank is provided with the distribution post the upper portion of distributing the electricity post is fixed with the protection frame be provided with the second switch on the protection frame be provided with the second warning light on the lateral wall of distribution post.
8. The temporary support device for a tunnel construction site according to claim 4, wherein:
The extrusion device comprises a supporting block, an extrusion rod, a pressing rod, a spring and a pressing block, wherein the extrusion rod is located on the lower portion of the supporting block, the pressing rod is located on the lower portion of the extrusion rod, the pressing block is located on the lower portion of the pressing rod, and the spring is sleeved on the outer wall of the pressing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233310.6U CN209761449U (en) | 2019-02-22 | 2019-02-22 | Temporary supporting device for tunnel construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233310.6U CN209761449U (en) | 2019-02-22 | 2019-02-22 | Temporary supporting device for tunnel construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761449U true CN209761449U (en) | 2019-12-10 |
Family
ID=68752502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920233310.6U Expired - Fee Related CN209761449U (en) | 2019-02-22 | 2019-02-22 | Temporary supporting device for tunnel construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982631A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting structure and tunnel supporting method |
-
2019
- 2019-02-22 CN CN201920233310.6U patent/CN209761449U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982631A (en) * | 2021-10-29 | 2022-01-28 | 成都未来智隧科技有限公司 | Tunnel supporting structure and tunnel supporting method |
| CN113982631B (en) * | 2021-10-29 | 2024-04-05 | 成都未来智隧科技有限公司 | Tunnel supporting structure and tunnel supporting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |