CN216275736U

CN216275736U - Bored concrete pile foundation pit supporting structure

Info

Publication number: CN216275736U
Application number: CN202122823132.2U
Authority: CN
Inventors: 谢进; 刘建国; 徐春雷
Original assignee: Jiangsu Central Construction Co ltd
Current assignee: Jiangsu Central Construction Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-12
Anticipated expiration: 2031-11-18

Abstract

The application discloses bored concrete pile foundation ditch supporting construction relates to excavation supporting technical field, is digging to current bored concrete pile foundation ditch and is establishing the back, because generally can not in time place the stake, leads to the easy problem that produces local collapse behind the rainwater of meeting of foundation ditch, now proposes following scheme, and it includes support column, protective cover and registration arm, the bottom of support column is the cavity setting, the protective cover slides and cup joints in the outer wall of support column, registration arm fixed mounting is in the top of protective cover, the registration arm is the slip with the support column and cup joints the setting, the top fixed mounting of registration arm has the protecting crust, the bottom of support column articulates there is a plurality of first bracing pieces that are the circumference array, the tip of first bracing piece articulates there is the stopper, install drive assembly in the support column. This application novel structure has not only had the rainwater-proof function, and has had the effect of strutting to foundation ditch top inner wall, suitable popularization.

Description

Bored concrete pile foundation pit supporting structure

Technical Field

The application relates to foundation pit support technical field, especially relates to a bored concrete pile foundation pit supporting construction.

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.

The existing cast-in-situ bored pile foundation pit is excavated and established, and the pile can not be placed in time generally, so that the foundation pit is easy to generate local collapse after meeting rainwater. Therefore, in order to solve such problems, we propose a cast-in-situ bored pile foundation pit supporting structure.

SUMMERY OF THE UTILITY MODEL

The application provides a bored concrete pile foundation ditch supporting construction has solved current bored concrete pile foundation ditch and is digging and establish the back, because generally can not in time place the stake, leads to the foundation ditch to meet the problem that produces local collapse easily behind the rainwater.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a bored concrete pile foundation ditch supporting construction, includes support column, protective cover and registration arm, the bottom of support column is the cavity setting, the protective cover slides and cup joints in the outer wall of support column, registration arm fixed mounting is in the top of protective cover, the registration arm is to slide with the support column and cup joints the setting, the top fixed mounting of registration arm has the protecting crust, the bottom of support column articulates there is a plurality of first bracing pieces that are the circumference array, the tip of first bracing piece articulates there is the stopper, install drive assembly in the support column, install flexible subassembly between support column and the stopper, the bottom fixed mounting of protecting crust has the PLC controller.

Through adopting above-mentioned technical scheme, the protective cover has the rainwater and prevents the stone effect, and the protecting crust has the support guard action to the PLC controller, and the PLC controller has the regulatory action to drive assembly, and drive mechanism cooperation telescopic machanism realizes the regulation to stopper and support column interval, realizes the effect of strutting to different foundation ditches.

Preferably, the bottom end of the protective cover is provided with an oblique angle.

Through adopting above-mentioned technical scheme, the oblique angle of protective cover is convenient for the protective cover to insert ground.

Preferably, the lateral wall threaded connection of registration arm has two screws that are the symmetry setting, the screw is perpendicular through distribution with the registration arm.

Through adopting above-mentioned technical scheme, the screw realizes the fixed to the registration arm.

Preferably, the side wall of the support column is provided with a sliding chute matched with the second support rod, and the sliding chute is communicated with the cavity of the support column.

Through adopting above-mentioned technical scheme, the spout realizes the synchronous slip of second bracing piece and elevator.

Preferably, the transmission assembly comprises a hydraulic cylinder and a lifting block, the hydraulic cylinder is fixedly installed in a cavity of the support column, the hydraulic cylinder is electrically connected with the PLC, the lifting block is sleeved in the support column in a sliding mode, and the lifting block is fixedly connected with a piston rod of the hydraulic cylinder.

Through adopting above-mentioned technical scheme, the PLC controller adjusts hydraulic pressure in the pneumatic cylinder, drives the elevator and slides in the cavity of support column, has the transmission effect.

Preferably, the telescopic assembly comprises a second support rod and a slide block, the second support rod is fixedly hinged to the side wall of the lifting block, the second support rods are distributed in a circumferential array mode, the second support rod is hinged to the first support rod matched with the first support rod, the slide block is hinged to the end portion of the second support rod, the slide block is arranged in a T shape, and the slide block and the limiting block are arranged in a sliding connection mode.

Through adopting above-mentioned technical scheme, during the contained angle adjustment of second bracing piece and first bracing piece, the slider slides in the spacing groove, realizes that the stopper supports the foundation ditch.

Preferably, a limiting groove is formed in one side, close to the supporting column, of the limiting block, the cross section of the limiting groove is in a T-shaped arrangement, and the limiting groove is matched with the sliding block.

Through adopting above-mentioned technical scheme, the spacing groove makes the smooth and steady slip of slider in the support column.

The beneficial effect of this application does:

1. through the installation to protective cover cooperation support column, the protective cover inserts ground, has the effect of rain-proof stone of preventing, and the screw is fixed the registration arm on the support column, has had the rainwater-proof function, has realized the effect of strutting to the foundation ditch.

2. Through the installation to the flexible subassembly of transmission assembly cooperation, the pneumatic cylinder drives the elevator and slides in the cavity of support column, and the one end synchronous slip of second bracing piece for the contained angle adjustment of second bracing piece and first bracing piece, the slider slides in the spacing groove, realizes that the stopper supports the foundation ditch inner wall, has had the effect of strutting to foundation ditch top inner wall, has improved the installation and has dismantled efficiency.

In conclusion, this application has not only had the rainwater-proof function, and has had the effect of strutting to foundation ditch top inner wall, has solved current bored concrete pile foundation ditch and digging and establish the back, because generally can not in time place the stake, leads to the foundation ditch to meet the problem that produces local collapse easily behind the rainwater, suitable popularization.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a view of the installation structure of the screw and the positioning tube of the present application;

fig. 3 is a mounting structure view of the transmission assembly of the present application.

Reference numbers in the figures: 1. a support pillar; 2. a protective cover; 3. a positioning tube; 4. a protective shell; 5. a screw; 6. a chute; 7. a first support bar; 8. a limiting block; 9. a hydraulic cylinder; 10. a lifting block; 11. a second support bar; 12. a slider; 13. a limiting groove; 14. a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-3, a bored pile foundation pit supporting structure comprises a supporting column 1, a protective cover 2 and a positioning tube 3, wherein the bottom of the supporting column 1 is arranged in a hollow manner, a transmission space is reserved, the protective cover 2 is sleeved on the outer wall of the supporting column 1 in a sliding manner, so as to protect a foundation pit, an oblique angle is formed at the bottom end of the protective cover 2, the protective cover 2 is convenient to insert into the ground, the positioning tube 3 is fixedly arranged at the top end of the protective cover 2, so as to have a positioning effect, the positioning tube 3 is sleeved with the supporting column 1 in a sliding manner, the protective cover 4 is fixedly arranged at the top end of the positioning tube 3, so as to have a supporting and protecting effect, two screws 5 which are symmetrically arranged are in threaded connection with the side wall of the positioning tube 3, so as to enable the screws 5 and the positioning tube 3 to be distributed in a vertical penetrating manner, so as to have a positioning effect, a plurality of first supporting rods 7 which are in a circumferential array are hinged at the bottom end of the supporting column 1, the supporting function is achieved, the limiting block 8 is hinged to the end portion of the first supporting rod 7, the supporting function for the foundation pit is achieved, and the PLC 14 is fixedly installed at the bottom end of the protective shell 4 and has a regulating function.

Referring to fig. 3, install transmission assembly in support column 1, transmission assembly includes pneumatic cylinder 9 and elevator 10, with pneumatic cylinder 9 fixed mounting in the cavity of support column 1, has the driving source, makes pneumatic cylinder 9 be the electric connection setting with PLC controller 14, realizes carrying out hydraulic pressure regulation and control to different diameter foundation pits, cup joints elevator 10 in support column 1 with sliding, makes elevator 10 be the fixed connection setting with the piston rod of pneumatic cylinder 9, has the lifting gearing effect.

Referring to fig. 3, a telescopic assembly is installed between a supporting column 1 and a limiting block 8, the telescopic assembly comprises a second supporting rod 11 and a sliding block 12, the second supporting rod 11 is fixedly hinged to the side wall of a lifting block 10, so that a plurality of second supporting rods 11 are distributed in a circumferential array and have a supporting function, a sliding groove 6 matched with the second supporting rod 11 is formed in the side wall of the supporting column 1, the sliding groove 6 is communicated with the cavity of the supporting column 1, the end part of the second supporting rod 11 and the lifting block 10 can slide synchronously, the second supporting rod 11 and a first supporting rod 7 matched with the second supporting rod are hinged, the sliding block 12 is hinged to the end part of the second supporting rod 11, the sliding block 12 is arranged in a T shape, the sliding block 12 and the limiting block 8 are arranged in a sliding connection manner, the distance between the limiting block 8 and the supporting column 1 can be adjusted, a limiting groove 13 is formed in one side of the limiting block 8 close to the supporting column 1, the cross section of the limiting groove 13 is arranged in a T shape, the limiting groove 13 is matched with the sliding block 12, and the stable sliding of the sliding block 12 in the limiting groove 13 is improved.

The working principle is as follows: this application is when using, at first according to the foundation ditch diameter, PLC controller 14 adjusts hydraulic pressure in the pneumatic cylinder 9, it slides in the cavity of support column 1 to drive elevator 10, the one end synchronous slip that drives second bracing piece 11, make the contained angle adjustment of second bracing piece 11 and first bracing piece 7, slider 12 slides in spacing groove 13, realize stopper 8 and support the foundation ditch, insert protective cover 2 ground after that, have the effect of rain-proof stone of preventing, it fixes registration arm 3 on support column 1 to get screw 5 after that.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. A foundation pit supporting structure of a cast-in-situ bored pile comprises a supporting column (1), a protective cover (2) and a positioning pipe (3), it is characterized in that the bottom of the supporting column (1) is arranged in a hollow way, the protective cover (2) is sleeved on the outer wall of the supporting column (1) in a sliding way, the positioning tube (3) is fixedly arranged at the top end of the protective cover (2), the positioning tube (3) is sleeved with the supporting column (1) in a sliding manner, a protective shell (4) is fixedly arranged at the top end of the positioning tube (3), a plurality of first supporting rods (7) in a circumferential array are hinged at the bottom end of the supporting column (1), the end part of the first supporting rod (7) is hinged with a limiting block (8), a transmission component is arranged in the supporting column (1), a telescopic component is arranged between the supporting column (1) and the limiting block (8), and a PLC (programmable logic controller) (14) is fixedly installed at the bottom end of the protective shell (4).

2. A bored pile foundation pit supporting construction according to claim 1, wherein the bottom end of the protecting cover (2) is beveled.

3. A bored pile foundation pit supporting structure according to claim 1, wherein the side wall of the positioning pipe (3) is in threaded connection with two symmetrically arranged screws (5), and the screws (5) and the positioning pipe (3) are vertically distributed in a penetrating manner.

4. The cast-in-situ bored pile foundation pit supporting structure according to claim 1, wherein a chute (6) matched with the second support rod (11) is formed in a side wall of the support column (1), and the chute (6) is communicated with a cavity of the support column (1).

5. The cast-in-situ bored pile foundation pit supporting structure according to claim 1, wherein the transmission assembly comprises a hydraulic cylinder (9) and a lifting block (10), the hydraulic cylinder (9) is fixedly installed in a cavity of the supporting column (1), the hydraulic cylinder (9) is electrically connected with the PLC (14), the lifting block (10) is slidably sleeved in the supporting column (1), and the lifting block (10) is fixedly connected with a piston rod of the hydraulic cylinder (9).

6. A bored pile foundation pit supporting structure according to claim 5, wherein the telescopic assembly comprises second supporting rods (11) and a sliding block (12), the second supporting rods (11) are fixedly hinged to the side wall of the lifting block (10), the second supporting rods (11) are distributed in a circumferential array mode, the second supporting rods (11) are hinged to the first supporting rods (7) matched with the second supporting rods, the sliding block (12) is hinged to the end portion of the second supporting rods (11), the sliding block (12) is arranged in a T shape, and the sliding block (12) and the limiting block (8) are arranged in a sliding connection mode.

7. The cast-in-situ bored pile foundation pit supporting structure according to claim 6, wherein a limiting groove (13) is formed in one side of the limiting block (8) close to the supporting column (1), the cross section of the limiting groove (13) is arranged in a T shape, and the limiting groove (13) is matched with the sliding block (12).