CN217872844U - Tunnel bearing structure - Google Patents
Tunnel bearing structure Download PDFInfo
- Publication number
- CN217872844U CN217872844U CN202222399010.XU CN202222399010U CN217872844U CN 217872844 U CN217872844 U CN 217872844U CN 202222399010 U CN202222399010 U CN 202222399010U CN 217872844 U CN217872844 U CN 217872844U
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- fixedly connected
- tunnel
- connecting portion
- threaded
- support
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Abstract
The utility model belongs to the technical field of the tunnel construction technique and specifically relates to a tunnel supporting structure, including connecting portion, the lower extreme fixedly connected with supporting mechanism of connecting portion, a plurality of adapter sleeves of circumference equidistance fixedly connected with on the connecting portion, it is a plurality of all slidable is provided with the support arris in the adapter sleeve, and is a plurality of it all articulates to have the hinge bar on the support arris, and is a plurality of be provided with adjustment mechanism on the hinge bar. The utility model discloses have so that support arris and different radial domes support, strengthened bearing structure's adaptability.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to a tunnel bearing structure.
Background
When the tunnel is under construction, in order to prevent the danger that the tunnel takes place to cave in, support the top in tunnel through adopting bearing structure, thereby guarantee going on of tunnel construction, because the upper end in tunnel is domes, the tunnel of different specifications, domes's radius is also different, the bearing structure that leads to different tunnels need to adopt different specifications can only support, when leading to under construction in the tunnel, need build different bearing structure, make the construction loaded down with trivial details, the condition that bearing structure adaptability is low has been caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the tunnel bearing structure who leads to the difference tunnel that exists among the prior art and need adopt different specifications can only support, has caused the shortcoming of the low condition of bearing structure adaptability, and the tunnel bearing structure who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel supporting structure, includes connecting portion, the lower extreme fixedly connected with supporting mechanism of connecting portion, a plurality of adapter sleeves of circumference equidistance fixedly connected with on the connecting portion, it is a plurality of all slidable is provided with in the adapter sleeve and supports the arris, and is a plurality of it all articulates on the arris to support has the hinge bar, and is a plurality of be provided with adjustment mechanism on the hinge bar.
Preferably, the supporting mechanism comprises a base and a supporting column, one end of the supporting column is fixedly connected with the base, and the other end of the supporting column is connected with the connecting part.
Preferably, a plurality of fixing holes are formed in the circumference of the base at equal intervals.
Preferably, adjustment mechanism includes screw thread post, thread bush, removes the cover, the thread bush pass through the bearing with connecting portion rotate to be connected, the screw thread post with thread bush threaded connection, it is in to remove cover fixed connection on the screw thread post, it is a plurality of the hinge rod with it is articulated mutually to remove the cover.
Preferably, the number of the adjusting mechanisms is two, and the thread sleeves on the two adjusting mechanisms are coaxially and fixedly connected.
Preferably, a clamping block is fixedly connected to one of the threaded sleeves.
Preferably, a plurality of all fixedly connected with butt block on the support arris, butt block is the arc structure.
The utility model provides a pair of tunnel bearing structure, beneficial effect lies in: through adjustment mechanism's design to adjust the angle of a plurality of hinge bar, thereby promote or pull the position of supporting the arris and remove, adjust the position in the adapter sleeve, thereby adjust and support the arris and form the radius with the adapter sleeve and adjust, so that make support the arris and support with the domes of different radiuses, strengthened bearing structure's adaptability.
Drawings
Fig. 1 is a schematic structural view of a tunnel supporting structure provided by the present invention;
fig. 2 is a first perspective view of a tunnel supporting structure provided by the present invention;
fig. 3 is a second perspective view of a tunnel supporting structure provided by the present invention;
fig. 4 is a schematic structural view of the tunnel supporting structure according to the present invention.
In the figure: the device comprises a base 1, a support column 2, a fixing hole 3, a threaded column 4, a hinge rod 5, a support rib 6, a connecting sleeve 7, an abutting block 8, a threaded sleeve 9, a moving sleeve 10, a clamping block 11 and a connecting part 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-4, a tunnel supporting structure, including connecting portion 12, the lower extreme fixedly connected with supporting mechanism of connecting portion 12, a plurality of adapter sleeves 7 of circumference equidistance fixedly connected with on connecting portion 12, all can slide in a plurality of adapter sleeves 7 and be provided with supporting arris 6, all articulated on a plurality of supporting arris 6 have articulated mast 5, be provided with adjustment mechanism on a plurality of articulated mast 5, design through adjustment mechanism, so that adjust the angle of a plurality of articulated mast 5, thereby promote or pull the position of supporting arris 6 and remove, adjust the position in adapter sleeve 7, thereby adjust supporting arris 6 and adapter sleeve 7 constitution radius and adjust, so that make supporting arris 6 support with the domes of different radiuses, supporting structure's adaptability has been strengthened.
Equal fixedly connected with butt piece 8 on a plurality of support arriss 6, butt piece 8 is the arc structure, when contacting with the tunnel roof, is favorable to increasing the area of atress.
The supporting mechanism comprises a base 1 and a supporting column 2, one end of the supporting column 2 is fixedly connected with the base 1, the other end of the supporting column is fixedly connected with the connecting portion 12, the supporting effect is achieved through the design of the supporting column 2, meanwhile, the supporting column 2 with different lengths can be selected according to the specification of the tunnel to be welded on the connecting portion 12, and then the base 1 is welded so as to support the tunnel.
A plurality of fixed orificess 3 have been seted up to circumference equidistance on the base 1, make the bolt insert the underground through inserting the bolt in fixed orifices 3 to play fixed effect to base 1, prevent the condition that the removal from appearing.
Adjustment mechanism includes threaded column 4, thread bush 9, remove cover 10, thread bush 9 passes through the bearing and rotates with connecting portion 12 to be connected, threaded column 4 and thread bush 9 threaded connection, it is on threaded column 4 to remove cover 10 fixed connection, a plurality of hinge bar 5 are articulated mutually with removal cover 10, through rotating thread bush 9, will adjust the position of threaded column 4 in thread bush 9, it removes to drive removal cover 10, thereby the lower extreme that drives hinge bar 5 removes, the position that makes hinge bar 5's upper end promote or pulling support arris 6 removes.
When carrying out the construction, according to the tunnel specification, select the length of support column 2, weld support column 2 on connecting portion 12, the axis that makes screw thread post 4 simultaneously sets up with the axis of tunnel domes is concentric, through rotating thread bush 9, will adjust the position of screw thread post 4 in thread bush 9, it removes to drive removes cover 10, thereby the lower extreme that drives hinge bar 5 removes, make support arris 6 take place to remove, thereby make support arris 6 drive butt piece 8 and remove, make butt piece 8 to tunnel inner wall looks butt.
Example 2
Referring to fig. 1-3, as another preferred embodiment of the present invention, on the basis of embodiment 1, the adjusting mechanism is two mirror image settings, and the threaded sleeves 9 on the two adjusting mechanisms are coaxially and fixedly connected, so that the design of the two adjusting mechanisms is favorable for making the supporting rib 6 when supporting, so that the two sides of the supporting rib 6 are uniformly stressed, and the two threaded sleeves 9 are coaxially and fixedly connected, so as to rotate one of the threaded sleeves 9, and can drive the two threaded sleeves 9 to rotate simultaneously.
Example 3
In embodiment 2, when rotating the thread bush 9, need rotate with the help of the outside spanner, when the spanner presss from both sides tight thread bush 9, lead to easily appearing the condition that the thread bush 9 takes place to warp, refer to fig. 1-3, as the utility model discloses another preferred embodiment, on embodiment 1 basis, fixedly connected with presss from both sides tight piece 11 on one of them thread bush 9, through adopting the design of pressing from both sides tight piece 11 to press from both sides the spanner tightly on pressing from both sides tight piece 11, drive the thread bush 9 and rotate, prevented the condition that takes place to warp to the thread bush 9.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a tunnel bearing structure, includes connecting portion (12), its characterized in that, the lower extreme fixedly connected with supporting mechanism of connecting portion (12), a plurality of adapter sleeves (7) of circumference equidistance fixedly connected with are gone up in connecting portion (12), and are a plurality of all slidable is provided with in adapter sleeve (7) and supports arris (6), and is a plurality of it has hinge bar (5), a plurality of all to articulate on support arris (6) be provided with adjustment mechanism on hinge bar (5).
2. The tunnel support structure according to claim 1, wherein the support mechanism comprises a base (1) and a support column (2), one end of the support column (2) is fixedly connected with the base (1), and the other end is connected with the connecting portion (12).
3. The tunnel support structure according to claim 2, characterized in that a plurality of fixing holes (3) are provided on the base (1) at equal intervals on the circumference.
4. The tunnel support structure according to any one of claims 1 to 3, wherein the adjustment mechanism comprises a threaded column (4), a threaded sleeve (9), and a moving sleeve (10), the threaded sleeve (9) is rotatably connected with the connecting portion (12) through a bearing, the threaded column (4) is in threaded connection with the threaded sleeve (9), the moving sleeve (10) is fixedly connected to the threaded column (4), and a plurality of hinge rods (5) are hinged with the moving sleeve (10).
5. The tunnel support structure according to claim 4, characterized in that said adjustment means are two, and the threaded sleeves (9) on the two adjustment means are coaxially and fixedly connected.
6. The tunnel support structure according to claim 5, characterized in that a clamping block (11) is fixedly connected to one of said threaded sleeves (9).
7. The tunnel support structure according to claim 1, wherein a plurality of the support edges (6) are fixedly connected with abutting blocks (8), and the abutting blocks (8) are of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222399010.XU CN217872844U (en) | 2022-09-09 | 2022-09-09 | Tunnel bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222399010.XU CN217872844U (en) | 2022-09-09 | 2022-09-09 | Tunnel bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217872844U true CN217872844U (en) | 2022-11-22 |
Family
ID=84082048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222399010.XU Active CN217872844U (en) | 2022-09-09 | 2022-09-09 | Tunnel bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217872844U (en) |
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2022
- 2022-09-09 CN CN202222399010.XU patent/CN217872844U/en active Active
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