CN218779502U

CN218779502U - Narrow foundation pit supporting device

Info

Publication number: CN218779502U
Application number: CN202223148936.8U
Authority: CN
Inventors: 陈宇; 刘晓辉; 李施威
Original assignee: Beijing Tengyuxiang Construction Engineering Co ltd
Current assignee: Beijing Tengyuxiang Construction Engineering Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-31
Anticipated expiration: 2032-11-23

Abstract

The application discloses a narrow foundation pit supporting device, which relates to the technical field of foundation pit supporting and comprises a protection plate, wherein the protection plate is used for being fixed with the slope surface of a foundation pit; the utility model provides a building outer wall butt, including the telescopic link of telescopic back fixed length and be used for with the butt portion of building outer wall, supporting mechanism includes telescopic and can stretch out and draw back the telescopic link of back fixed length and be used for with the butt portion of building outer wall, telescopic link one end with the backplate top is rotated and is connected, the telescopic link with be provided with regulation portion between the butt portion, regulation portion is used for adjusting the telescopic link and keeps away from the distance between the one end of backplate and the butt portion. This application has the effect that reduces constructor and receive the injury.

Description

Narrow foundation pit supporting device

Technical Field

The application relates to the technical field of foundation pit support, in particular to a narrow foundation pit support device.

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; common foundation pit supporting modes comprise pile supporting, continuous wall supporting, shotcrete supporting and the like, the supporting modes are high in cost, and certain requirements are placed on construction space during supporting.

The foundation pit has good soil quality, does not have landslide or affect the safety of surrounding buildings, usually does not carry out support, and only carries out simple slope releasing treatment. After the main structure of the building in the foundation pit is built, a new narrow foundation pit is formed between the outer wall of the building and the inner wall of the foundation pit; when constructors construct in the narrow foundation pit or pass through the narrow foundation pit, loose soil and stones on the side wall of the foundation pit can fall off to pound the constructors in the foundation pit, and the constructors are easily injured due to the fact that the lower portion of the narrow foundation pit is narrow and the stones on the upper portion are difficult to avoid.

SUMMERY OF THE UTILITY MODEL

In order to reduce the injury that constructor received, this application provides a narrow excavation supporting device.

The application provides a narrow foundation pit supporting device, adopts following technical scheme:

a narrow foundation pit supporting device comprises

The protective plate is used for being fixed with the foundation pit slope surface;

supporting mechanism, supporting mechanism include scalable and can be in flexible back fixed length the telescopic link and be used for with the butt portion of building outer wall butt, telescopic link one end with the backplate top is rotated and is connected, the telescopic link with be provided with regulation portion between the butt portion, regulation portion is used for adjusting the telescopic link and keeps away from between the one end of backplate and the butt portion distance.

Through adopting above-mentioned technical scheme, the backplate can cover the foundation ditch inner wall, when butt portion supports tight building outer wall, can adjust the backplate to the distance between the building outer wall through telescopic link and regulating part, cooperate with the stake, make the backplate support tight foundation ditch inner wall, it falls to cause the injury to the constructor who is in between foundation ditch and the building to reduce the soil stone landing, adjust the distance between butt portion and the backplate jointly through telescopic link and regulating part, make adjustable range bigger, supporting device can be applicable to the condition of outer wall and the different distances of foundation ditch inner wall, supporting device's application scope is wider.

Optionally, the telescopic link includes the outer pole and rotates the interior pole of being connected with the backplate, the inside cavity of outer pole, interior pole be located the outer pole in with outer pole sliding connection, a plurality of pinholes have been seted up along interior pole axis direction on the interior pole, it is used for pegging graft to the downthehole plug connector of pinhole to slide on the outer pole to be provided with.

By adopting the technical scheme, the length of the telescopic rod can be adjusted through the plug connector sliding on the outer rod and the pin hole on the inner rod, and the length of the telescopic rod is locked, so that the protective plate can tightly abut against the inner wall of the foundation pit; meanwhile, the pin holes and the plug connectors enable the adjusting range of the total length of the inner rod and the outer rod to be large, so that the supporting device can be suitable for the situation that the outer wall and the inner wall of a foundation pit are different in distance, and the application range of the supporting device is expanded.

Optionally, the abutting portion comprises a connecting rod and an abutting plate abutted against the outer wall of the building, the adjusting portion comprises a sleeve sleeved outside the connecting rod, the sleeve can rotate around the axis of the sleeve, and one end of the sleeve, far away from the abutting plate, is in threaded connection with one end, far away from the protection plate, of the telescopic rod.

Through adopting above-mentioned technical scheme, the sleeve can be through rotating adjusting sleeve and telescopic link threaded connection's length to promote the butt board through the sleeve and remove, adjust the distance between butt board and the telescopic link, make the backplate can support tight foundation ditch inner wall, sleeve and telescopic link threaded connection, make to adjust more accurately the distance between telescopic link and the butt board, when making the butt board can keep better butt effect, reduce the destruction to waterproof heat preservation on the building outer wall.

Optionally, the abutting plate is rotatably connected to the connecting rod, and a first limiting portion is fixedly connected to one end of the connecting rod, which is close to the abutting plate.

By adopting the technical scheme, the abutting plate is rotatably connected with the connecting rod, so that the angle between the telescopic rod and the building outer wall can be adjusted at will, the abutting position of the abutting plate and the building outer wall can be conveniently adjusted, and an operator can conveniently adjust the sleeve to enable the abutting plate to be abutted against the building outer wall; first restriction portion makes the sleeve can be through with first restriction portion butt to promote the connecting rod and remove, support the building outer wall with promoting the butt plate.

Optionally, one side of the abutting plate, which is far away from the connecting rod, is provided with a gasket.

Through adopting above-mentioned technical scheme, the gasket can increase the frictional force between butt board and the building outer wall for the better butt building outer wall of butt board can reduce the destruction to the waterproof heat preservation on the building outer wall simultaneously.

Optionally, one end of the connecting rod, which is far away from the abutting plate, is connected with a second limiting part.

Through adopting above-mentioned technical scheme, the slip of second restriction portion along connecting rod axis direction can be restricted to the sleeve on the connecting rod, reduces the emergence that the restriction sleeve breaks away from the connecting rod for the device is more stable in transportation and use.

Optionally, one end of the sleeve close to the abutting plate is connected with a rotating part.

Through adopting above-mentioned technical scheme, the portion of rotating can be convenient for rotate the sleeve to adjust the distance between butt joint board and the telescopic link.

Optionally, the guard plate and the telescopic rod are detachably connected through a bolt.

By adopting the technical scheme, the guard plate and the telescopic rod are detachably connected through the bolt, so that when the supporting device is installed, the length of the telescopic rod can be adjusted firstly, and then the guard plate is connected with the telescopic rod, so that the telescopic rod can be adjusted conveniently; meanwhile, the telescopic rod and the guard plate can be separated and then transported during transportation of the device, and the transportation of the device is facilitated.

Optionally, the bottom of the guard plate is rotatably connected with a connecting part, and a timber pile penetrates through the connecting part.

Through adopting above-mentioned technical scheme, pass connecting portion and be connected bottom the foundation ditch through the stake, can be convenient for fix the backplate at the foundation ditch inner wall, make the backplate fix more stably on the foundation ditch inner wall simultaneously.

In summary, the present application includes at least one of the following advantages:

1. the narrow foundation pit supporting device can support the inner wall of the foundation pit by abutting against the outer wall of the building, and the damage of falling earth and stones to constructors between the foundation pit and the outer wall of the building is reduced;

2. the narrow foundation pit supporting device has the advantages of simple structure, convenient disassembly and assembly and convenient transportation;

3. when the narrow foundation pit supporting device is abutted to the building outer wall, the waterproof heat-insulating layer on the building outer wall is not easy to damage.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic diagram illustrating a partial explosion structure of a connecting rod and a sleeve according to an embodiment of the present application.

Description of reference numerals: 1. a guard plate; 11. a connecting portion; 2. a support mechanism; 21. a telescopic rod; 211. an inner rod; 212. an outer pole; 22. a sleeve; 221. a rotating part; 23. an abutting portion; 231. a connecting rod; 232. a butt joint plate; 233. a gasket; 234. a first restriction section; 235. a second restriction portion; 3. and (5) piling wood.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The narrow excavation supporting device that this application embodiment discloses refers to 1, including backplate 1 and supporting mechanism 2, backplate 1 can cover the foundation ditch inner wall, and supporting mechanism 2 supports backplate 1 tightly on the foundation ditch inner wall through with building outer wall butt.

The support mechanism 2 comprises an expansion link 21 which can expand and contract and can fix the length after expansion and contraction, a sleeve 22 and an abutting part 23; one end of the telescopic rod 21 is rotatably connected with the top of the guard plate 1, and the other end of the telescopic rod is in threaded connection with the sleeve 22; the abutting portion 23 comprises a connecting rod 231 and an abutting plate 232 used for abutting against the outer wall of the building, the sleeve 22 is sleeved on the connecting rod 231 and can rotate around the axis direction of the connecting rod 231, and one end, away from the telescopic rod 21, of the connecting rod 231 is rotatably connected with the abutting plate 232.

The distance between the abutting plate 232 and the telescopic rod 21 can be adjusted through rotation of the sleeve 22, and the distance between the protection plate 1 and the outer wall of the building can be adjusted through the telescopic rod 21 and the sleeve 22, so that the protection plate 1 abuts against the inner wall of the foundation pit, the inner wall of the foundation pit is supported, and damage to constructors between the foundation pit and the building caused by falling of earth and stones is reduced; simultaneously, adjust the distance between butt portion 23 and the backplate 1 jointly through telescopic link 21 and sleeve 22 for the control range is bigger, and supporting device can be applicable to the condition of the different distances of outer wall and foundation ditch inner wall, and supporting device's application scope is bigger.

Connecting rod 231 rotates with butt plate 232 to be connected for the angle between telescopic link 21 and the building outer wall can be adjusted wantonly, is convenient for adjust the position of butt plate 232 and building outer wall butt, makes the position of butt plate 232 and building outer wall butt, can be in the place that operating personnel contacted in the building, and the operating personnel of being convenient for adjust sleeve 22 and make butt plate 232 and building outer wall support tightly.

Referring to fig. 1, the telescopic rod 21 comprises an outer rod 212 and an inner rod 211 rotatably connected with the guard plate 1, the outer rod 212 is hollow inside, the inner rod 211 is partially located in the outer rod 212 and is slidably connected with the outer rod 212, a plurality of pin holes are uniformly formed in the outer wall of the inner rod 211 along the axis direction of the inner rod 211, a through hole is formed in the outer wall of the outer rod 212, and a pin used for being inserted into the pin holes is slidably arranged in the through hole. Different pinhole on outer pole 212 goes up gliding pin plug-in to interior pole 211, can adjust the length of telescopic link 21 for telescopic link 21's scalable length is longer, and is convenient for adjust, can be with telescopic link 21's length locking simultaneously, and telescopic link 21 of being convenient for supports between butt portion 23 and backplate 1. In other embodiments of the present application, the through hole on the outer rod 212 is a threaded hole, the pin is a bolt, the bolt can rotate in the threaded hole in a matching manner, the bolt is inserted into the pin hole through rotation of the bolt, fixation of the telescopic rod 21 after stretching is achieved, and meanwhile, the occurrence of the situation that the bolt breaks away from the pin hole in use of the telescopic rod 21 is reduced, so that the supporting device is more stable in use.

Referring to fig. 1, one end of the sleeve 22 close to the abutting plate 232 is connected with a rotating portion 221, and the rotating portion 221 can facilitate rotating the sleeve 22 to adjust the distance between the abutting plate 232 and the telescopic rod 21.

Referring to fig. 1 and 2, a first limiting portion 234 is fixedly connected to one end of the connecting rod 231, which is close to the abutting plate 232, and the first limiting portion 234 enables one end of the sleeve 22 to abut against the first limiting portion 234, so that when the sleeve 22 rotates to move itself, the connecting rod 231 can be pushed to move, and the abutting plate 232 is pushed to abut against the outer wall of the building. One end of the connecting rod 231, which is far away from the abutting plate 232, is fixedly connected with a second limiting portion 235, the second limiting portion 235 can limit the sleeve 22 to slide on the connecting rod 231 along the axial direction of the connecting rod 231, the occurrence of the situation that the limiting sleeve 22 is separated from the connecting rod 231 is reduced, the device is more stable in the transportation process and the use process, and the second limiting portion 235 can be welded and fixed with the connecting rod 231 after the sleeve 22 is sleeved into the connecting rod 231.

Referring to fig. 1, the one side that connecting rod 231 was kept away from to butt plate 232 is provided with gasket 233, and gasket 233 can increase the frictional force between butt plate 232 and the building outer wall for the better butt building outer wall of butt plate 232 can reduce the destruction to the waterproof heat preservation on the building outer wall simultaneously.

Referring to fig. 1, a guard plate 1 is detachably connected with a telescopic rod 21 through a bolt, so that the length of the telescopic rod 21 can be adjusted, and then the guard plate 1 is connected with the telescopic rod 21, so that the installation of a supporting device is facilitated; meanwhile, when the device is transported, the telescopic rod 21 and the guard plate 1 can be separated and transported, so that the transportation of the device is facilitated; the bottom of the protection plate 1 is rotatably connected with a connecting portion 11, the wood pile 3 penetrates through the connecting portion 11 to be connected with the slope bottom of the foundation pit, the wood pile 3 penetrates through the connecting portion 11 to be connected with the bottom of the foundation pit, and the protection plate 1 is fixed on the inner wall of the foundation pit to be more stable.

The implementation principle of the narrow foundation pit supporting device in the embodiment of the application is as follows: firstly, covering a guard plate 1 on the inner wall of a foundation pit, and fixing the guard plate on the slope bottom of the foundation pit through a connecting part 11 by a timber pile 3; then adjust telescopic link 21 to suitable length through the pin, when making telescopic link 21 be connected with backplate 1, butt plate 232 can the butt be close to window equipotential on the building outer wall, adjust the completion back, stretch out telescopic link 21 in the building, pass through bolted connection with telescopic link 21 and backplate 1, operating personnel is at building internal rotation telescopic link 21, be provided with butt plate 232 and simultaneously be close to the building outer wall near gasket 233, then rotate sleeve 22 and finely tune, make butt plate 232 to being close to the removal of building outer wall direction, the butt is on the building outer wall, accomplish the strutting to the foundation ditch inner wall, fall to the constructor that is in between foundation ditch and building and cause the injury with reducing the earth and rock.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A narrow foundation pit supporting device is characterized by comprising

The protective plate (1), the protective plate (1) is used for fixing with the foundation pit slope;

supporting mechanism (2), supporting mechanism (2) including scalable and can be after flexible telescopic link (21) of fixed length and be used for with butt portion (23) of building outer wall butt, telescopic link (21) one end with backplate (1) top is rotated and is connected, telescopic link (21) with be provided with the regulation portion between butt portion (23), the regulation portion is used for adjusting telescopic link (21) and keeps away from the one end of backplate (1) and the distance between butt portion (23).

2. The narrow foundation pit supporting device according to claim 1, wherein the telescopic rod (21) comprises an outer rod (212) and an inner rod (211) rotatably connected with the guard plate (1), the outer rod (212) is hollow inside, the inner rod (211) is located in the outer rod (212) and is slidably connected with the outer rod (212), the inner rod (211) is provided with a plurality of pin holes along the axial direction of the inner rod (211), and the outer rod (212) is slidably provided with a plug connector used for being plugged into the pin holes.

3. The narrow foundation pit supporting device according to claim 1, wherein the abutting portion (23) comprises a connecting rod (231) and an abutting plate (232) abutting against the outer wall of the building, the adjusting portion comprises a sleeve (22) sleeved outside the connecting rod (231), the sleeve (22) can rotate around the axis of the sleeve, and one end, far away from the abutting plate (232), of the sleeve (22) is in threaded connection with one end, far away from the guard plate (1), of the telescopic rod (21).

4. The narrow foundation pit supporting device according to claim 3, wherein the abutting plate (232) is rotatably connected with the connecting rod (231), and a first limiting portion (234) is fixedly connected to one end of the connecting rod (231) near the abutting plate (232).

5. The narrow foundation pit supporting device according to claim 3, wherein a side of the abutting plate (232) away from the connecting rod (231) is provided with a washer (233).

6. The narrow excavation supporting device according to claim 3, wherein a second restriction portion (235) is connected to an end of the connection rod (231) remote from the abutment plate (232).

7. The narrow excavation supporting device according to claim 3, wherein a rotating portion (221) is connected to one end of the sleeve (22) near the abutting plate (232).

8. The narrow foundation pit supporting device according to claim 1, wherein the guard plate (1) and the telescopic rod (21) are detachably connected by bolts.

9. The narrow foundation pit supporting device according to claim 1, wherein the bottom of the guard plate (1) is rotatably connected with a connecting part (11), and the connecting part (11) is penetrated with a timber pile (3).