CN215482421U - Flexible protection shed tunnel device for karst tunnel - Google Patents
Flexible protection shed tunnel device for karst tunnel Download PDFInfo
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- CN215482421U CN215482421U CN202121027776.4U CN202121027776U CN215482421U CN 215482421 U CN215482421 U CN 215482421U CN 202121027776 U CN202121027776 U CN 202121027776U CN 215482421 U CN215482421 U CN 215482421U
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Abstract
The utility model belongs to the technical field of shed tunnel devices, and particularly relates to a flexible protective shed tunnel device for a karst tunnel, which solves the problems that the traditional shed tunnel device is difficult to operate during construction, installation of support ribs is time-consuming and labor-consuming, and the practicability is poor. The shed tunnel framework comprises a detachable framework and two concrete bases, wherein the detachable framework comprises a second arc-shaped framework and two first arc-shaped frameworks, the second arc-shaped framework and the two first arc-shaped frameworks are positioned at the top end of the detachable framework, the first arc-shaped frameworks are symmetrically arranged at two ends of the second arc-shaped framework, and the first arc-shaped framework and the second arc-shaped framework are detachably connected through a connecting device; the two concrete bases are detachably connected to the bottom ends of the two first arc-shaped frameworks through buffer devices respectively; a plurality of positioning devices convenient for mounting the supporting ribs are arranged on the detachable framework along the trend of the detachable framework. The framework can be separated and disassembled, so that the occupied space is greatly reduced, the transportation is convenient, and the building is facilitated; the workload of construction workers is reduced, time and labor are saved, and the practicability is high.
Description
Technical Field
The utility model belongs to the technical field of shed tunnel devices, and particularly relates to a flexible protective shed tunnel device for a karst tunnel.
Background
The shed tunnel is a tunnel belonging to the category of open cut tunnels, the condition of the shed tunnel is approximately similar to that of the open cut tunnel, the structural integrity of the shed tunnel is poorer than that of the open cut tunnel, but the requirement on the foundation is relatively low due to the fact that the roof and inner and outer walls are simply supported, and the shed tunnel has various types according to different terrain and geological conditions, but is basically constructed with an inner wall, an outer side supporting structure and a roof supporting structure.
In the development and the work progress in karst tunnel, the side slope rockfall always causes serious threat to on-the-spot traffic and life safety with the soil body that collapses, in order to protect the construction area, avoid the emergence of construction accident, often need use flexible protection shed hole to prevent the soil stone that flies to fall, however present flexible protection shed hole skeleton adopts fixed structure mostly, occupation space is big not only, and very inconvenient during the transportation, lead to operating difficulties when buildding the skeleton, because it fixes through a plurality of bolts mostly to lead to between brace rod and the skeleton, a plurality of mounting holes must align completely when leading to the installation, construction worker's work load has been increased, waste time and energy, the practicality is poor.
Disclosure of Invention
The utility model aims to solve the problems and provides a flexible protective shed tunnel device for a karst tunnel.
The utility model is realized by adopting the following technical scheme: a flexible protective shed tunnel device for a karst tunnel comprises a plurality of shed tunnel frameworks and supporting ribs, wherein the shed tunnel frameworks are arranged at equal intervals along the length direction of the tunnel, and the supporting ribs are connected between every two adjacent shed tunnel frameworks through bolts; the shed tunnel comprises a shed tunnel framework and a shed tunnel frame, wherein the shed tunnel framework comprises a detachable framework and two concrete bases, the detachable framework comprises a second arc-shaped framework and two first arc-shaped frameworks, the second arc-shaped framework and the two first arc-shaped frameworks are positioned at the top end, the first arc-shaped frameworks are symmetrically arranged at two ends of the second arc-shaped framework, and the first arc-shaped framework and the second arc-shaped framework are detachably connected through a connecting device; the two concrete bases are detachably connected to the bottom ends of the two first arc-shaped frameworks through buffer devices respectively;
a plurality of positioning devices convenient for mounting support ribs are arranged on the detachable framework along the trend of the detachable framework;
the top of the detachable framework is provided with a flexible protecting net.
Further, the buffer device comprises a base, a lifting rod, a lifting plate and a compression spring;
on the concrete base was located to the base, the inside of base was equipped with the spout, and the spout in-connection has the lifter, and the top and the first arc skeleton of lifter are connected, bottom sliding connection have the lifter plate, and the lifter plate is located the spout of base, fixedly connected with compression spring between the bottom of lifter plate and spout.
Furthermore, the outside of base is equipped with a plurality of horizontal boards from top to bottom equidistance.
Furthermore, two lifting lugs are arranged at the top of the base.
Further, the connecting device comprises a mounting rod, a supporting plate, a first screw rod and a second screw rod;
mounting rods are arranged at two ends of the second arc-shaped framework, a mounting groove is formed in the top end of the first arc-shaped framework, and the mounting rods are mounted in the mounting groove;
the top and the bottom of second arc skeleton and first arc skeleton junction correspond and are equipped with two backup pads, and backup pad, first arc skeleton and installation pole pass through first screw rod and connect, and backup pad, second arc skeleton and installation pole pass through the second screw rod and connect.
Furthermore, spring washers are sleeved on the first screw rod and the second screw rod.
Further, the positioning device comprises a square positioning groove and a square positioning block;
the detachable framework is provided with a square positioning groove corresponding to the position where the supporting rib is installed, the end part of the supporting rib is provided with a square positioning block, and the square positioning block is inserted into the square positioning groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the framework is formed by assembling two first arc-shaped frameworks and one second arc-shaped framework through the connecting device, the frameworks can be separated and disassembled, the building and disassembling efficiency is improved, the occupied space is greatly reduced, the building is facilitated while the transportation is facilitated, and the frameworks can be repeatedly used;
2. according to the shed tunnel frame, the square positioning grooves are formed in the frame, the square positioning blocks are arranged on the supporting ribs, so that the shed tunnel frame and the supporting ribs can be quickly positioned, the operation is simple and quick, a plurality of mounting holes do not need to be aligned, the workload of construction workers is reduced, time and labor are saved, and the practicability is high;
3. a buffer device is arranged between the first arc-shaped framework and the concrete base, and when soil and stones fall onto the flexible protecting net, the compression spring can buffer external force applied to the framework, so that the framework is protected, construction safety is guaranteed, and the service life of the framework is prolonged;
4. the top of the first arc skeleton and the second arc skeleton of this application is equipped with flexible protecting wire net and is convenient for stop the soil stone that drops, prevents that soil stone from dropping and arousing the accident.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is an enlarged view at C of FIG. 1;
FIG. 6 is a schematic view of the connection between the positioning device and the support rib;
in the figure: 1-a concrete base, 2-a base, 3-a lifting rod, 4-a first arc-shaped framework, 5-an installation rod, 6-a first screw rod, 7-a second arc-shaped framework, 8-a support rib, 9-a flexible protection net, 10-a lifting plate, 11-a compression spring, 12-a square positioning groove, 13-a square positioning block, 14-a supporting plate, 15-a second screw rod, 16-a spring gasket, 17-a transverse plate and 18-a lifting lug.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a flexible protective shed tunnel device for a karst tunnel comprises a plurality of shed tunnel frameworks and supporting ribs 8, wherein the shed tunnel frameworks are arranged at equal intervals along the length direction of the tunnel, and the supporting ribs 8 are connected between every two adjacent shed tunnel frameworks through bolts; the shed tunnel comprises a shed tunnel framework and two concrete bases 1, wherein the shed tunnel framework comprises a detachable framework and two first arc-shaped frameworks 4, the detachable framework comprises a second arc-shaped framework 7 and two first arc-shaped frameworks 4, the second arc-shaped frameworks 7 are positioned at the top ends of the detachable framework, the first arc-shaped frameworks 4 are symmetrically arranged at two ends of the second arc-shaped framework 7, and the first arc-shaped frameworks 4 and the second arc-shaped frameworks 7 are detachably connected through connecting devices; the two concrete bases 1 are detachably connected to the bottom ends of the two first arc-shaped frameworks 4 through buffer devices respectively;
a plurality of positioning devices convenient for mounting the supporting ribs 8 are arranged on the detachable framework along the trend of the detachable framework;
the top of the detachable framework is provided with a flexible protecting net 9, and the flexible protecting net 9 is convenient for stopping falling earth and stones.
The buffer device comprises a base 2, a lifting rod 3, a lifting plate 10 and a compression spring 11;
on concrete base 1 was located to base 2, the inside of base 2 was equipped with the spout, and the spout in-connection has lifter 3, and lifter 3's top and first arc skeleton 4 are connected, bottom sliding connection have lifter plate 10, and lifter plate 10 is located base 2's spout, fixedly connected with compression spring 11 between the bottom of lifter plate 10 and spout, and buffer is convenient for carry out the buffer protection to the shed tunnel skeleton.
The outside of base 2 is equipped with a plurality of transverse plates 17 from last equidistance down, and transverse plates 17 are convenient for strengthen the fixity in the middle of base 2 and concrete foundation 1.
Two lifting lugs 18 are arranged at the top of the base 2, and the concrete base 1 is convenient to move due to the arrangement of the lifting lugs 18.
The connecting device comprises a mounting rod 5, a support plate 14, a first screw 6 and a second screw 15;
the two ends of the second arc-shaped framework 7 are respectively provided with an installation rod 5, the top end of the first arc-shaped framework 4 is provided with an installation groove, and the installation rods 5 are installed in the installation grooves;
All be equipped with spring washer 16 on first screw rod 6 and the second screw rod 15, be convenient for prevent that the condition of pine from taking off from appearing in first screw rod 6 and the second screw rod 15.
The positioning device comprises a square positioning groove 12 and a square positioning block 13;
a square positioning groove 12 is formed in the position, corresponding to the mounting support rib 8, of the detachable framework;
the tip of brace rod 8 is equipped with square locating piece 13, and square locating piece 13 cartridge is in square constant head tank 12, is convenient for fix a position fast between detachable skeleton and brace rod 8 to easy to assemble.
Can dismantle first arc skeleton 4 and the second arc skeleton 7 of skeleton pass through connecting device demountable installation, and first arc skeleton 4 passes through buffer with the concrete base and can dismantle and be connected, reduces occupation space greatly, is favorable to buildding when convenient the transportation.
The implementation process of the utility model comprises the following steps:
when the utility model is used, firstly, the concrete base 1 is moved to a designated position through the lifting lugs 18 and is fixed, the mounting rod 5 on the second arc-shaped framework 7 is inserted into the first arc-shaped framework 4, the support plate 14 is fixed on the second arc-shaped framework 7 through the second screw 15, the first arc-shaped framework 4, the mounting rod 5 and the support plate 14 are fixed through the first screw 6, thereby completing the connection and installation of the first arc-shaped framework 4 and the second arc-shaped framework 7, the detachable shed tunnel framework can greatly reduce the occupied space, is convenient to transport and is beneficial to building, the spring gaskets 16 outside the first screw 6 and the second screw 15 can effectively prevent the first screw 6 and the second screw 15 from loosening, the square positioning blocks 13 on the support ribs 8 are inserted into the square positioning grooves 12 on the first arc-shaped framework 4 and the second arc-shaped framework 7, thereby fix a position the brace rod 8 fast, and fix the brace rod 8 through the bolt, easy operation is quick, need not to align a plurality of mounting holes, construction worker's work load has been alleviateed, install the base 2 on the concrete base 1 with the lifter 3 of first arc skeleton 4 bottom, and fix flexible protecting wire net 9 at the top of first arc skeleton 4 with second arc skeleton 7, when the soil stone drops on flexible protecting wire net 9, compression spring 11 can cushion the external force that the skeleton received, thereby protect the skeleton, therefore, the clothes hanger is strong in practicability.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A flexible protective shed tunnel device for a karst tunnel comprises a plurality of shed tunnel frameworks and supporting ribs (8), wherein the shed tunnel frameworks are arranged at equal intervals along the length direction of the tunnel, and the supporting ribs (8) are connected between every two adjacent shed tunnel frameworks through bolts; the method is characterized in that: the shed tunnel comprises a shed tunnel framework and two concrete bases (1), wherein the shed tunnel framework comprises a detachable framework and two first arc frameworks (4), the detachable framework comprises a second arc framework (7) and two first arc frameworks (4), the second arc frameworks (7) are positioned at the top ends, the first arc frameworks (4) are symmetrically arranged at two ends of the second arc framework (7), and the first arc frameworks (4) and the second arc frameworks (7) are detachably connected through connecting devices; the two concrete bases (1) are detachably connected to the bottom ends of the two first arc-shaped frameworks (4) through buffer devices respectively;
a plurality of positioning devices convenient for mounting the supporting ribs (8) are arranged on the detachable framework along the trend of the detachable framework;
the top of the detachable framework is provided with a flexible protecting net (9).
2. The flexible protective shed tunnel device for the karst tunnel according to claim 1, wherein: the buffer device comprises a base (2), a lifting rod (3), a lifting plate (10) and a compression spring (11);
on concrete base (1) was located in base (2), the inside of base (2) was equipped with the spout, and the spout in-connection has lifter (3), and the top and first arc skeleton (4) of lifter (3) are connected, bottom sliding connection has lifter plate (10), and lifter plate (10) are located the spout of base (2), fixedly connected with compression spring (11) between the bottom of lifter plate (10) and spout.
3. The karst tunnel flexible protection shed tunnel device of claim 2, wherein: the outside of base (2) is equipped with a plurality of horizontal boards (17) from last equidistance down.
4. The karst tunnel flexible protection shed tunnel device of claim 2, wherein: the top of the base (2) is provided with two lifting lugs (18).
5. The karst tunnel flexible protection shed tunnel device according to any one of claims 1 to 4, wherein: the connecting device comprises a mounting rod (5), a support plate (14), a first screw (6) and a second screw (15);
mounting rods (5) are arranged at two ends of the second arc-shaped framework (7), a mounting groove is formed in the top end of the first arc-shaped framework (4), and the mounting rods (5) are mounted in the mounting groove;
the top and the bottom of second arc skeleton (7) and first arc skeleton (4) junction correspond and are equipped with two backup pads (14), and backup pad (14), first arc skeleton (4) and installation pole (5) are connected through first screw rod (6), and backup pad (14), second arc skeleton (7) and installation pole (5) are connected through second screw rod (15).
6. The karst tunnel flexible protection shed tunnel device of claim 5, wherein: and the first screw rod (6) and the second screw rod (15) are sleeved with spring gaskets (16).
7. The karst tunnel flexible protection shed tunnel device of claim 6, wherein: the positioning device comprises a square positioning groove (12) and a square positioning block (13);
a square positioning groove (12) is formed in the position, corresponding to the mounting support rib (8), of the detachable framework;
the end part of the support rib (8) is provided with a square positioning block (13), and the square positioning block (13) is inserted in the square positioning groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027776.4U CN215482421U (en) | 2021-05-14 | 2021-05-14 | Flexible protection shed tunnel device for karst tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027776.4U CN215482421U (en) | 2021-05-14 | 2021-05-14 | Flexible protection shed tunnel device for karst tunnel |
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| Publication Number | Publication Date |
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| CN215482421U true CN215482421U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121027776.4U Active CN215482421U (en) | 2021-05-14 | 2021-05-14 | Flexible protection shed tunnel device for karst tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753274A (en) * | 2022-04-18 | 2022-07-15 | 重庆交通大学 | Anti avalanche of severe cold tunnel engineering strikes's heat preservation open cut tunnel structure |
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2021
- 2021-05-14 CN CN202121027776.4U patent/CN215482421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753274A (en) * | 2022-04-18 | 2022-07-15 | 重庆交通大学 | Anti avalanche of severe cold tunnel engineering strikes's heat preservation open cut tunnel structure |
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