CN217027136U - Supporting pile foundation pit supporting device for engineering - Google Patents
Supporting pile foundation pit supporting device for engineering Download PDFInfo
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- CN217027136U CN217027136U CN202220860052.6U CN202220860052U CN217027136U CN 217027136 U CN217027136 U CN 217027136U CN 202220860052 U CN202220860052 U CN 202220860052U CN 217027136 U CN217027136 U CN 217027136U
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- supporting
- screw rod
- fixed cylinder
- foundation pit
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Abstract
The utility model provides a supporting pile foundation pit supporting device for engineering, which comprises a fixed cylinder, wherein a bidirectional screw rod is rotatably connected in the fixed cylinder through a bearing and a shaft seat in a matched manner, and a rotary driving assembly linked with the bidirectional screw rod is arranged at the outer top of the fixed cylinder; a plurality of movable guide frames are arranged at intervals along the circumferential direction on the periphery of the bidirectional screw rod, each movable guide frame movably penetrates through the side wall of the fixed cylinder along the horizontal direction, a supporting and protecting plate is arranged at the free end of each movable guide frame, and a fixed block is arranged on each movable guide frame; two sections of thread sections with different rotation directions of the two-way screw rod are respectively in threaded connection with threaded sleeves, and linkage rods are hinged between each threaded sleeve and each fixed block; the utility model can support foundation pits with different specifications, has stronger supporting capability and wider applicability and is beneficial to use.
Description
Technical Field
The utility model relates to a foundation pit supporting device, in particular to a supporting pile foundation pit supporting device for engineering.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. In the prior art, a foundation pit is usually supported by using support modes such as row pile support, underground continuous wall support, cement retaining wall support and the like.
The existing supporting pile foundation pit supporting device cannot be adjusted according to the specification of a foundation pit, is weak in supporting capacity and low in applicability and is not beneficial to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a supporting pile foundation pit supporting device for engineering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a foundation pit supporting device for an engineering supporting pile comprises a fixed cylinder, wherein a bidirectional screw rod is rotatably connected in the fixed cylinder through a bearing and a shaft seat in a matched mode, and a rotary driving assembly which is connected and linked with the bidirectional screw rod is arranged at the outer top of the fixed cylinder;
a plurality of movable guide frames are arranged at intervals along the circumferential direction on the periphery of the bidirectional screw rod, each movable guide frame movably penetrates through the side wall of the fixed cylinder along the horizontal direction, a supporting and protecting plate is arranged at the free end of each movable guide frame, and a fixed block is arranged on each movable guide frame; two sections of thread sections with different rotation directions of the two-way screw rod are respectively in threaded connection with threaded sleeves, and linkage rods are hinged between each threaded sleeve and each fixed block.
As a further scheme of the utility model: the rotary driving assembly comprises an installation box arranged at the outer top of the fixed cylinder, a servo motor is arranged in the installation box, and the upper end of the bidirectional screw rod extends into the installation box and is connected and linked with the servo motor.
As a further scheme of the utility model: the movable guide frame comprises a movable plate arranged on the fixed block, a plurality of guide rods are arranged on the movable plate in parallel at intervals, each guide rod movably penetrates through the side wall of the fixed cylinder along the horizontal direction, and the free end of each guide rod is detachably connected with the supporting plate.
As a further scheme of the utility model: the supporting and protecting plate is provided with fixing sleeves which correspond to the guide rods one by one, and the free ends of the guide rods are movably inserted into the corresponding fixing sleeves; a long screw rod is detachably arranged on the fixing sleeve in a penetrating manner along the vertical direction, and a through hole matched with the long screw rod is arranged on the guide rod;
the free end of the guide rod is detachably connected with the supporting plate through the matching of the fixing sleeve, the long screw and the through hole.
As a further scheme of the utility model: the projection of the supporting and protecting plate on the horizontal plane is arc-shaped, and a rubber pad is bonded on the outer arc surface of the supporting and protecting plate.
As a further scheme of the utility model: and the top of the supporting and protecting plate is provided with a limiting plate, and the limiting plate is provided with a fixing hole.
Compared with the prior art, the utility model has the beneficial effects that:
after the structure is adopted, the two screw sleeves can be driven to approach each other when the bidirectional screw rod rotates forwards through the mutual matching of the bidirectional screw rod, the movable guide frame, the support guard plate, the fixed block, the screw sleeves and the linkage rod; when the bidirectional screw rod rotates reversely, the two screw sleeves can be driven to be away from each other, so that the support protection plate is driven to stretch, foundation pits of different specifications can be supported, the support capability is strong, the applicability is wide, and the use is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a supporting pile foundation pit supporting device for engineering.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a plan view of an excavation supporting device of a supporting pile for engineering.
In the figure: 1. a fixed cylinder; 2. a bidirectional screw rod; 3. a rotary drive assembly; 301. installing a box; 302. a servo motor; 4. a movable guide frame; 401. a movable plate; 402. a guide rod; 403. fixing a sleeve; 404. a long screw; 405. a through hole; 5. supporting a guard plate; 6. a fixed block; 7. a threaded sleeve; 8. a linkage rod; 9. a rubber pad; 10. a limiting plate; 11. and (7) fixing holes.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Referring to fig. 1-3, a supporting pile foundation pit supporting device for engineering comprises a fixed cylinder 1, wherein a bidirectional screw rod 2 is rotatably connected in the fixed cylinder 1 through a bearing and a shaft seat in a matching manner, and a rotary driving assembly 3 which is connected and linked with the bidirectional screw rod 2 is arranged at the outer top of the fixed cylinder 1 and can drive the bidirectional screw rod 2 to rotate forwards or backwards; a plurality of movable guide frames 4 are arranged at intervals along the circumferential direction on the periphery of the bidirectional screw rod 2, each movable guide frame 4 movably penetrates through the side wall of the fixed cylinder 1 along the horizontal direction, a supporting plate 5 is arranged at the free end of each movable guide frame 4, and a fixed block 6 is arranged on each movable guide frame 4; two thread sections with different rotation directions of the two-way screw rod 2 are respectively in threaded connection with threaded sleeves 7, and linkage rods 8 are hinged between the threaded sleeves 7 and the fixed blocks 6. When the bidirectional screw rod 2 rotates forwards, the two screw sleeves 7 can be driven to approach each other; when the bidirectional screw rod 2 rotates reversely, the two screw sleeves 7 can be driven to be away from each other, so that the support guard plate 5 is driven to stretch, foundation pits of different specifications can be supported, the support capability is strong, the applicability is wide, and the use is facilitated.
The rotary driving assembly 3 comprises an installation box 301 arranged at the outer top of the fixed cylinder 1, a servo motor 302 is arranged in the installation box 301, the upper end of the bidirectional screw rod 2 extends into the installation box 301 and is connected and linked with the servo motor 302, and the bidirectional screw rod 2 can be driven to rotate forwards or reversely.
Specifically, the movable guide frame 4 includes a movable plate 401 disposed on the fixed block 6, a plurality of guide rods 402 are disposed on the movable plate 401 in parallel and at intervals, and each guide rod 402 movably penetrates through the side wall of the fixed cylinder 1 along the horizontal direction and the free end thereof is detachably connected to the support plate 5. With this structure, the movable guide 4 can be adjusted only along the horizontal movement.
Further, the support guard plate 5 is provided with fixing sleeves 403 corresponding to the guide rods 402 one by one, and the free ends of the guide rods 402 are movably inserted into the corresponding fixing sleeves 403; a long screw 404 is detachably arranged on the fixing sleeve 403 in a penetrating manner along the vertical direction, and a through hole 405 matched with the long screw 404 is arranged on the guide rod 402; the free end of the guide rod 402 is detachably connected with the supporting plate 5 through the matching of the fixing sleeve 403, the long screw rod 404 and the through hole 405, the structure is simple, the operation is convenient, and the adaptive supporting plate 5 can be replaced according to the shape of the foundation pit.
Preferably, the projection of the supporting and protecting plate 5 on the horizontal plane is arc-shaped, so that foundation pits of different specifications can be conveniently supported, the rubber pad 9 is bonded on the outer arc surface of the supporting and protecting plate 5, the fitting property between the supporting and protecting plate 5 and the inner wall of the foundation pit can be improved through the rubber pad 9, and the supporting and protecting effect is good.
Preferably, a limiting plate 10 is arranged at the top of the supporting and protecting plate 5, and a fixing hole 11 is formed in the limiting plate 10. When the foundation pit is supported, the supporting plate 5 supports against the inner wall of the foundation pit, the limiting plate 10 is located at the outer top of the foundation pit, and the limiting plate 10 is fixed through the matching of the external fixing bolt and the fixing hole 11, so that the stability of the device is improved, and the supporting effect is good.
The working principle of the utility model is as follows: when the device is used, the device is placed in a foundation pit, the rotary driving assembly 3 drives the bidirectional screw rod 2 to rotate forwards, so that the two screw sleeves 7 are driven to be close to each other, and the supporting and protecting plate 5 is driven to abut against the inner wall of the foundation pit through the cooperation of the movable guide frame 4, the fixing block 6 and the linkage rod 8 to support the foundation pit.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. A supporting pile foundation pit supporting device for engineering comprises a fixed cylinder (1) and is characterized in that the inside of the fixed cylinder (1) is rotatably connected with a bidirectional screw rod (2) through a bearing and a shaft seat in a matched mode, and the outer top of the fixed cylinder (1) is provided with a rotary driving assembly (3) which is connected and linked with the bidirectional screw rod (2);
a plurality of movable guide frames (4) are arranged at intervals along the circumferential direction on the periphery of the bidirectional screw rod (2), each movable guide frame (4) movably penetrates through the side wall of the fixed cylinder (1) along the horizontal direction, a supporting and protecting plate (5) is arranged at the free end of each movable guide frame (4), and a fixing block (6) is arranged on each movable guide frame (4); two thread sections with different rotation directions of the two-way screw rod (2) are respectively in threaded connection with threaded sleeves (7), and linkage rods (8) are hinged between each threaded sleeve (7) and each fixed block (6).
2. The supporting pile foundation pit supporting device for engineering according to claim 1, wherein the rotary driving assembly (3) comprises an installation box (301) arranged at the outer top of the fixed cylinder (1), a servo motor (302) is arranged in the installation box (301), and the upper end of the bidirectional screw rod (2) extends into the installation box (301) and is connected and linked with the servo motor (302).
3. The supporting pile foundation pit supporting device for the engineering according to claim 1, characterized in that the movable guide frame (4) comprises a movable plate (401) arranged on the fixed block (6), a plurality of guide rods (402) are arranged on the movable plate (401) in parallel and at intervals, each guide rod (402) passes through the side wall of the fixed cylinder (1) in a horizontal direction, and the free end is detachably connected with the supporting plate (5).
4. The supporting device for the supporting pile foundation pit for the engineering according to claim 3, characterized in that the supporting plate (5) is provided with fixing sleeves (403) corresponding to the guide rods (402), and the free end of each guide rod (402) is movably inserted into the corresponding fixing sleeve (403); a long screw rod (404) is detachably arranged on the fixed sleeve (403) in a penetrating manner along the vertical direction, and a through hole (405) matched with the long screw rod (404) is arranged on the guide rod (402);
the free end of the guide rod (402) is detachably connected with the support plate (5) through the matching of the fixing sleeve (403), the long screw (404) and the through hole (405).
5. The supporting device for the supporting pile foundation pit for the engineering according to claim 1, characterized in that the projection of the supporting plate (5) on the horizontal plane is arc-shaped, and a rubber pad (9) is bonded on the outer arc surface of the supporting plate (5).
6. The supporting pile foundation pit supporting device for the engineering according to claim 1, wherein a limiting plate (10) is arranged at the top of the supporting plate (5), and a fixing hole (11) is formed in the limiting plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220860052.6U CN217027136U (en) | 2022-04-14 | 2022-04-14 | Supporting pile foundation pit supporting device for engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220860052.6U CN217027136U (en) | 2022-04-14 | 2022-04-14 | Supporting pile foundation pit supporting device for engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217027136U true CN217027136U (en) | 2022-07-22 |
Family
ID=82417707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220860052.6U Active CN217027136U (en) | 2022-04-14 | 2022-04-14 | Supporting pile foundation pit supporting device for engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217027136U (en) |
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2022
- 2022-04-14 CN CN202220860052.6U patent/CN217027136U/en active Active
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