CN214832750U - Quick supporting device for urban tunnel open cut foundation pit - Google Patents
Quick supporting device for urban tunnel open cut foundation pit Download PDFInfo
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- CN214832750U CN214832750U CN202121566358.2U CN202121566358U CN214832750U CN 214832750 U CN214832750 U CN 214832750U CN 202121566358 U CN202121566358 U CN 202121566358U CN 214832750 U CN214832750 U CN 214832750U
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- plate
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- foundation pit
- inner rod
- open cut
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Abstract
The utility model discloses a quick support device for an open excavation foundation pit of an urban tunnel, which belongs to the technical field of municipal construction and comprises a left support guard plate, a right support guard plate and a tightening device, wherein the left support guard plate and the right support plate are arranged at intervals, and the tightening device is arranged between the left support guard plate and the right support plate and is used for respectively tightening the left support guard plate and the right support plate against the side wall of the foundation pit; the abutting device comprises an inner rod, an outer barrel and a base, the outer barrel and the base are fixedly connected with a left support plate and a right support plate respectively, one end of the inner rod is in threaded connection with the outer barrel, the other end of the inner rod is in rotating connection with the base and is axially limited, and the left support plate and the right support plate can move relatively by rotating the inner rod. The utility model discloses the device can be used for the quick construction of rectangular shape foundation ditch to improve construction quality and accelerate the engineering progress.
Description
Technical Field
The utility model belongs to the technical field of municipal construction, concretely relates to urban tunnel open cut foundation ditch quick support device.
Background
At present, when a tunnel is built in China, a sectional type traditional wood formwork supporting technology is often adopted in the open cut method construction process, but the technology has the defects of low construction speed, more joints, poor appearance quality and the like. Therefore, the urban tunnel open cut foundation pit quick supporting device is urgently needed to be provided, and the device can be used for quick construction of a long strip-shaped foundation pit by improving the structure of a supporting template, so that the construction quality is improved, and the engineering progress is accelerated.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a city tunnel open cut foundation ditch quick support device can be used for the quick construction of rectangular shape foundation ditch to improve construction quality and accelerate the engineering progress.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model relates to a quick support device for urban tunnel open excavation foundation pit, which comprises a left support guard plate, a right support guard plate and a tightening device, wherein the left support guard plate and the right support plate are arranged at intervals, and the tightening device is arranged between the left support guard plate and the right support plate and is used for respectively tightening the left support guard plate and the right support plate against the side wall of the foundation pit; the abutting device comprises an inner rod, an outer barrel and a base, the outer barrel and the base are fixedly connected with a left support plate and a right support plate respectively, one end of the inner rod is in threaded connection with the outer barrel, the other end of the inner rod is in rotating connection with the base and is axially limited, and the left support plate and the right support plate can move relatively by rotating the inner rod.
Furthermore, the end plate is fixedly arranged at the connecting end of the inner rod and the base, and an annular groove corresponding to the end plate is arranged in the base.
Furthermore, the outer surface of the inner rod is fixedly provided with a screwing seat.
Furthermore, the left supporting protection plate and the right supporting protection plate are identical in structure and are symmetrically arranged in the foundation pit.
Further, left side backplate and right supporting plate all include the supporting plate body, the supporting plate body is the L type, the bottom surface and the side of supporting plate body respectively with the diapire and the lateral wall butt of foundation ditch.
Furthermore, the supporting plate body is formed by sequentially splicing a plurality of supporting units along the axial direction of the foundation pit.
Furthermore, two adjacent supporting units are buckled through a buckling piece, and the buckling piece is connected with the supporting units through locking pieces.
Furthermore, a vertical L-shaped through groove is formed in the supporting unit, and L-shaped buckling parts are correspondingly arranged at two ends of each buckling piece.
The beneficial effects of the utility model reside in that:
the utility model relates to a quick support device for urban tunnel open cut foundation pit, a tight supporting device is arranged between a left supporting guard plate and a right supporting guard plate for respectively tightly supporting the left supporting guard plate and the right supporting guard plate on the side wall of the foundation pit, thereby avoiding the loosening of the supporting guard plate and playing a good supporting role; the abutting device comprises an inner rod, an outer barrel and a base, the inner rod is rotated, the left supporting plate and the right supporting plate can move relatively, and the abutting is realized quickly, so that the construction quality is improved, and the project progress is accelerated.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural diagram of the device of the present invention;
FIG. 2 is a top view of the device of the present invention;
FIG. 3 is a front view of the device of the present invention;
FIG. 4 is a schematic view of the driving structure of the tightening device.
The drawings are numbered as follows: the support device comprises a left support plate 1, a support unit 11, a fastener 12, a through groove 13, an engagement part 14, a right support plate 2, a tightening device 3, an inner rod 31, an outer cylinder 32, a base 33, an end plate 34, a ring groove 35 and a tightening seat 36.
Detailed Description
As shown in fig. 1 to 4, the utility model relates to a quick support device for urban tunnel open cut foundation pit, which comprises a left support plate 1, a right support plate 2 and a tightening device 3, wherein the left support plate 1 and the right support plate 2 are arranged at intervals to leave an interval, and the tightening device 3 is arranged in the interval and is positioned between the left support plate 1 and the right support plate 2 for respectively tightening the two to the side wall of the foundation pit; the abutting device 3 comprises an inner rod 31, an outer barrel 32 and a base 33, the outer barrel 32 and the base 33 are fixedly connected with a left supporting plate 1 and a right supporting plate 2 respectively, one end of the inner rod 31 is in threaded connection with the outer barrel 32, the other end of the inner rod 31 is in rotating connection with the base 33 and is limited in the axial direction, and through rotation of the inner rod 31, the inner rod 31 is in threaded fit with the outer barrel 32 to generate axial acting force, so that the left supporting plate 1 and the right supporting plate 2 can move relatively to realize abutting.
The utility model relates to a quick support device for urban tunnel open cut foundation pit, a tight supporting device 3 is arranged between a left supporting guard plate 1 and a right supporting guard plate 2 for respectively tightly supporting the two on the side wall of the foundation pit, thereby avoiding the loosening of the supporting guard plate and playing a good supporting role; the abutting device 3 comprises an inner rod 31, an outer cylinder 32 and a base 33, the inner rod 31 is rotated, the left supporting plate 1 and the right supporting plate 2 can move relatively, and quick abutting is achieved, so that construction quality is improved, and the progress of a project is accelerated.
In this embodiment, the end plate 34 is fixedly arranged at one end of the inner rod 31 connected with the base 33, a ring groove 35 corresponding to the end plate 34 is arranged in the base 33, the end plate 34 is rotatably arranged in the ring groove 35, and the end plate 34 can be axially positioned to prevent the inner rod 31 from being separated from the base 33.
In this embodiment, the outer surface of the inner rod 31 is fixedly provided with the tightening seat 36, so that the inner rod 31 can be conveniently rotated by the tightening seat 36, and the operation is more convenient.
In this embodiment, the left supporting plate 1 and the right supporting plate 2 have the same structure and are symmetrically arranged in the foundation pit. The left supporting plate 1 and the right supporting plate 2 both comprise supporting plate bodies, the supporting plate bodies are formed by fixedly connecting vertical plates and horizontal plates, the supporting plate bodies can be directly conveyed to the site after being prefabricated in a factory, the assembly is rapid and convenient, the supporting plate bodies are made after the supporting plate bodies are fixed, the bottom surfaces and the side surfaces of the supporting plate bodies are abutted to the bottom wall and the side wall of the foundation pit respectively, and supporting is achieved on the side wall and the bottom wall of the foundation pit respectively.
In this embodiment, the supporting plate body is formed by splicing a plurality of supporting units 11 in sequence along the axial direction of the foundation pit, and the construction is faster due to the standardized arrangement, so that the construction quality is improved, and the project progress is accelerated.
In this embodiment, two adjacent supporting units 11 are fastened by a fastening member 12, the fastening member 12 is connected to the supporting units 11 by a locking member, and the locking member may be a common screw.
In this embodiment, the supporting unit 11 is provided with a vertical L-shaped through slot 13, and the two ends of the fastener 12 are correspondingly provided with L-shaped fastening portions 14.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a city tunnel open cut foundation ditch quick support device which characterized in that: the supporting device is arranged between the left supporting guard plate and the right supporting plate and is used for respectively supporting the left supporting guard plate and the right supporting plate tightly against the side wall of the foundation pit; the abutting device comprises an inner rod, an outer barrel and a base, the outer barrel and the base are fixedly connected with a left support plate and a right support plate respectively, one end of the inner rod is in threaded connection with the outer barrel, the other end of the inner rod is in rotating connection with the base and is axially limited, and the left support plate and the right support plate can move relatively by rotating the inner rod.
2. The quick support device for the open cut foundation pit of the urban tunnel according to claim 1, characterized in that: the inner rod is fixedly provided with an end plate at one end connected with the base, and an annular groove corresponding to the end plate is formed in the base.
3. The quick support device for the open cut foundation pit of the urban tunnel according to claim 1, characterized in that: and a screwing seat is fixedly arranged on the outer surface of the inner rod.
4. The quick support device for the open cut foundation pit of the urban tunnel according to any one of claims 1 to 3, wherein: the left supporting protection plate and the right supporting protection plate are identical in structure and are symmetrically arranged in the foundation pit.
5. The quick support device for the open cut foundation pit of the urban tunnel according to claim 4, wherein: the left supporting plate and the right supporting plate comprise supporting plate bodies, the supporting plate bodies are L-shaped, and the bottom surfaces and the side surfaces of the supporting plate bodies are respectively abutted to the bottom wall and the side wall of the foundation pit.
6. The quick support device for the open cut foundation pit of the urban tunnel according to claim 5, wherein: the supporting plate body is formed by sequentially splicing a plurality of supporting units along the axial direction of the foundation pit.
7. The quick support device for the open cut foundation pit of the urban tunnel according to claim 6, wherein: two adjacent supporting units are buckled through a buckling piece, and the buckling piece is connected with the supporting units through locking pieces.
8. The quick support device for the open cut foundation pit of the urban tunnel according to claim 7, wherein: and the supporting unit is provided with a vertical L-shaped through groove, and two ends of the buckling piece are correspondingly provided with L-shaped buckling parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566358.2U CN214832750U (en) | 2021-07-09 | 2021-07-09 | Quick supporting device for urban tunnel open cut foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121566358.2U CN214832750U (en) | 2021-07-09 | 2021-07-09 | Quick supporting device for urban tunnel open cut foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214832750U true CN214832750U (en) | 2021-11-23 |
Family
ID=78813933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121566358.2U Active CN214832750U (en) | 2021-07-09 | 2021-07-09 | Quick supporting device for urban tunnel open cut foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214832750U (en) |
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2021
- 2021-07-09 CN CN202121566358.2U patent/CN214832750U/en active Active
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