CN214944325U - A tunnel steel arch frame axial positioning guide connecting device - Google Patents
A tunnel steel arch frame axial positioning guide connecting device Download PDFInfo
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- CN214944325U CN214944325U CN202120250796.1U CN202120250796U CN214944325U CN 214944325 U CN214944325 U CN 214944325U CN 202120250796 U CN202120250796 U CN 202120250796U CN 214944325 U CN214944325 U CN 214944325U
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- steel plate
- door
- steel arch
- axial positioning
- connecting steel
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Abstract
The utility model provides a tunnel steel bow member axial positioning direction connecting device, includes a plurality of steel bow member circular arc sections, the vertical section of steel bow member has been laid to the bottom of steel bow member circular arc section, and the top of the vertical section of steel bow member is equipped with the second connecting steel plate, the bottom of steel bow member circular arc section is equipped with the first connecting steel plate with second connecting steel plate looks adaptation, and first connecting steel plate and second connecting steel plate are laid outward and are equipped with a direction rectangle section of thick bamboo, and this utility model structure has improved construction quality, efficiency of construction, and the quick installation of the vertical section of steel bow member circular arc section of being convenient for steel bow member and steel bow member guarantees that bow member unit axle center coincidence and atress are balanced.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering, especially, relate to a tunnel steel bow member axial positioning direction connecting device.
Background
At present, in the construction of loess tunnels or weak surrounding rock tunnels, section steel arch frames (H-shaped steel or I-shaped steel) are generally adopted for primary support. According to different tunnel spans and excavation modes, a primary support type steel arch is generally divided into a plurality of arch units, the arch units are machined and formed outside a tunnel according to design requirements, splicing is carried out on site in the primary support process of the tunnel, and adjacent arch units are usually connected by welding steel plates and high-strength bolts.
When the arch units are connected, bolt hole positions can deviate only by visual inspection positioning, so that the arch units cannot be accurately aligned with the bolt holes when being connected, the phenomenon that the arch units are not connected in place and the axle centers of the arch units are not overlapped in the process of erecting the tunnel arch is caused, the connection quality is obviously reduced, and the stress on a tunnel supporting structure is not favorable.
Therefore, the axial positioning, guiding and connecting device for the steel arch centering of the tunnel, which can ensure the coincidence of the axle centers of the arch centering units and has excellent quality of the steel arch centering, needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide one kind and can guarantee the coincidence of bow member unit axle center, tunnel steel bow member axial positioning direction connecting device that the steel bow member quality is excellent.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a tunnel steel bow member axial positioning direction connecting device, includes a plurality of steel bow member circular arc sections, and the vertical section of steel bow member has been laid to the bottom of steel bow member circular arc section, and the top of the vertical section of steel bow member is equipped with second connecting steel plate, the bottom of steel bow member circular arc section is equipped with the first connecting steel plate with second connecting steel plate looks adaptation, and first connecting steel plate and second connecting steel plate lay outside and are equipped with a direction rectangle section of thick bamboo.
As an optimized scheme of the utility model, a direction rectangle section of thick bamboo includes first horizontal spacing door, the horizontal spacing door of second, vertical spacing door and hinged door, and the one end of hinged door is articulated with first horizontal spacing door.
As a preferred scheme of the utility model, the other end of articulated door is equipped with the buckle, is equipped with the draw-in groove on the horizontal spacing door of second, the buckle of articulated door and the draw-in groove looks adaptation of the horizontal spacing door of second.
As an optimized scheme of the utility model, the upper end of first connecting steel sheet is located the coplanar with first horizontal spacing door, the horizontal spacing door of second, vertical spacing door and articulated door upper end.
As a preferred scheme of the utility model, the internal surface of first horizontal spacing door offsets with the side of first connecting steel sheet, and the internal surface of the horizontal spacing door of second offsets with the side of first connecting steel sheet, the internal surface of vertical spacing door offsets with the side of first connecting steel sheet.
As a preferred scheme of the utility model, be equipped with two at least card strips on vertical spacing door, the connection can be dismantled on vertical spacing door to the card strip.
As an optimized proposal of the utility model, the clamping strips are symmetrically arranged and provided with clamping hooks.
As an optimized proposal of the utility model, the upper end of the hinged door is provided with a notch, and a clamping hook is matched with the notch.
As a preferred scheme of the utility model, all set up the bolt hole on first connecting steel sheet and the second connecting steel sheet, be equipped with the bolt in the bolt hole, first connecting steel sheet passes through bolt and second connecting steel sheet fixed connection.
As an optimized proposal of the utility model, the steel arch frame circular arc section is provided with connecting hooks, and the adjacent connecting hooks are connected through the hook heads.
The utility model has the advantages that:
1. the utility model provides a pair of tunnel steel bow member axial positioning direction connecting device has improved construction quality, efficiency of construction, and the quick installation of the steel bow member circular arc section of being convenient for and the vertical section of steel bow member guarantees that bow member unit axle center coincidence and atress are balanced.
2. The utility model provides a pair of tunnel steel bow member axial positioning direction connecting device is last to have set up a direction rectangle section of thick bamboo, has done the location promptly and has done the restriction again to first connecting steel sheet and second connecting steel sheet, uses the direction rectangle section of thick bamboo to realize the quick accurate positioning operation between first connecting steel sheet and the second connecting steel sheet for common benchmark like this, has improved positioning accuracy and positioning efficiency greatly.
3. The utility model provides a pair of tunnel steel bow member axial positioning direction connecting device simple structure, easily manufacturing, practicality advantage such as strong to can fix a position first connecting steel sheet and second connecting steel sheet fast accurately, improved the connection precision, the location operation is also very convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a partial enlarged view of the utility model at A;
reference numbers in the figures: steel bow arc section 1, first connecting steel plate 11, bolt hole 114, the vertical section 2 of steel bow, second connecting steel plate 21, a direction rectangle section of thick bamboo 3, first horizontal spacing door 31, the horizontal spacing door 32 of second, draw-in groove 321, vertical spacing door 33, card strip 331, trip 3311, hinged door 34, buckle 341, notch 342, coupling hook 4, gib head 41.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a tunnel steel arch axial positioning direction connecting device, includes a plurality of steel arch arc sections 1, and steel arch vertical section 2 has been laid to steel arch arc section 1's bottom, and the top of steel arch vertical section 2 is equipped with second connecting steel plate 21, the bottom of steel arch arc section 1 is equipped with the first connecting steel plate 11 with second connecting steel plate 21 looks adaptation, and first connecting steel plate 11 and second connecting steel plate 21 lay outward and are equipped with direction rectangular cylinder 3, and the closure of direction rectangular cylinder 3 has made the restriction to the axial of first connecting steel plate 11 and second connecting steel plate 21, has realized the quick accurate positioning operation between first connecting steel plate and the second connecting steel plate like this with direction rectangular cylinder 3 as common benchmark, has improved positioning accuracy and positioning efficiency greatly.
Further, the guide rectangular cylinder 3 comprises a first transverse limiting door 31, a second transverse limiting door 32, a longitudinal limiting door 33 and a hinged door 34, one end of the hinged door 34 is hinged to the first transverse limiting door 31, the other end of the hinged door 34 is provided with a buckle 341, a clamping groove 321 is formed in the second transverse limiting door 32, the buckle 341 of the hinged door 34 is matched with the clamping groove 321 of the second transverse limiting door 32, the buckle 341 and the clamping groove 321 are connected to ensure the closing of the guide rectangular cylinder 3, the movement of the first connecting steel plate 11 and the second connecting steel plate 21 in the horizontal direction is limited, and the first connecting steel plate 11 and the second connecting steel plate 21 are limited in the horizontal direction.
Furthermore, the upper end of the first connecting steel plate 11 is located on the same plane with the upper ends of the first transverse limiting door 31, the second transverse limiting door 32, the longitudinal limiting door 33 and the hinged door 34, the inner surface of the first transverse limiting door 31 abuts against the side surface of the first connecting steel plate 11, the inner surface of the second transverse limiting door 32 abuts against the side surface of the first connecting steel plate 11, the inner surface of the longitudinal limiting door 33 abuts against the side surface of the first connecting steel plate 11, the sizes of all parts in the guiding rectangular cylinder 3 are further limited by matching the surfaces of all parts in the guiding rectangular cylinder 3 with the surfaces of the first connecting steel plate 11, and meanwhile, the rationality of the design of the guiding rectangular cylinder 3 is guaranteed.
Further, be equipped with two at least gibs 331 on vertical spacing door 33, gib 331 can be dismantled to connect and block 331 symmetry on vertical spacing door 33 and lay, is equipped with trip 3311 on the gib, and the upper end of hinged door 34 is equipped with notch 342, and trip 3311 and notch 342 looks adaptation, trip 3311 and notch 342's being connected have made spacingly to the vertical direction of first connecting steel plate 11 and second connecting steel plate 21.
Further, bolt holes 114 are formed in the first connecting steel plate 11 and the second connecting steel plate 21, bolts are arranged in the bolt holes 114, the first connecting steel plate 11 is fixedly connected with the second connecting steel plate 21 through the bolts, and after the bolts are installed on the first connecting steel plate 11 and the second connecting steel plate 21, the steel arch arc section 1 and the steel arch vertical section 2 are connected.
Furthermore, the connecting hooks 4 are distributed on the steel arch arc sections 1, and the adjacent connecting hooks 4 are connected through the hook heads 41, so that the stability and the continuity between the tunnel steel arches are ensured.
When the device is specifically implemented, the device comprises the following components: and (3) using a telescopic arm operation vehicle to carry the steel arch arc section 1 and the steel arch vertical section 2 into the tunnel and expand the tunnel.
Furthermore, the adjacent steel arch arc sections 1 are pre-connected by the connecting hooks 4.
Furthermore, a first connecting steel plate 11 of the steel arch arc section 1 is matched with a second connecting steel plate 21 of the steel arch vertical section 2, and a guide rectangular cylinder 3 is arranged outside the first connecting steel plate 11 and the second connecting steel plate 21.
Further, after the guiding rectangular cylinder 3 is closed, bolts are installed on the first connecting steel plate 11 and the second connecting steel plate 21, and after the bolt is installed, the joint of the steel arch arc section 1 and the steel arch vertical section 2 is welded.
Although the reference numerals in the figures are used more here: the steel arch centering comprises a steel arch centering arc section 1, a first connecting steel plate 11, a bolt hole 114, a steel arch centering vertical section 2, a second connecting steel plate 21, a guide rectangular cylinder 3, a first transverse limiting door 31, a second transverse limiting door 32, a clamping groove 321, a longitudinal limiting door 33, a clamping strip 331, a clamping hook 3311, a hinged door 34, a buckle 341, a notch 342, a connecting hook 4 and a hook head 41, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250796.1U CN214944325U (en) | 2021-01-29 | 2021-01-29 | A tunnel steel arch frame axial positioning guide connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250796.1U CN214944325U (en) | 2021-01-29 | 2021-01-29 | A tunnel steel arch frame axial positioning guide connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944325U true CN214944325U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120250796.1U Active CN214944325U (en) | 2021-01-29 | 2021-01-29 | A tunnel steel arch frame axial positioning guide connecting device |
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| CN (1) | CN214944325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837701A (en) * | 2022-05-20 | 2022-08-02 | 中交第二航务工程局有限公司 | Fold area soft rock tunnel large-deformation tunnel body supporting structure and construction method |
| CN116446918A (en) * | 2023-06-05 | 2023-07-18 | 中建铁路投资建设集团有限公司 | Limiting device for tunnel steel arch splicing construction and using method thereof |
-
2021
- 2021-01-29 CN CN202120250796.1U patent/CN214944325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837701A (en) * | 2022-05-20 | 2022-08-02 | 中交第二航务工程局有限公司 | Fold area soft rock tunnel large-deformation tunnel body supporting structure and construction method |
| CN116446918A (en) * | 2023-06-05 | 2023-07-18 | 中建铁路投资建设集团有限公司 | Limiting device for tunnel steel arch splicing construction and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shixian Inventor after: Ma Yiyue Inventor after: Xiao Jian Inventor after: Ma Xiaobo Inventor after: Wu Hao Inventor after: Liu Shuang Inventor after: Peng Wei Inventor after: Zhang Yiting Inventor before: Zhang Shixian Inventor before: Ma Yiyue Inventor before: Xiao Jian Inventor before: Ma Xiaobo Inventor before: Wu Hao Inventor before: Liu Shuang Inventor before: Peng Wei Inventor before: Zhang Yiting |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220225 Address after: 316000 room 424, No. 1, Xingyuan Road, Dinghai Industrial Park, Dinghai District, Zhoushan City, Zhejiang Province Patentee after: Zhejiang Jiaogong equipment Engineering Co.,Ltd. Address before: 310051 11th floor, Qianjiang building, 2031 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG COMMUNICATIONS CONSTRUCTION GROUP Co.,Ltd. |