CN220503920U - Foundation pit supporting device - Google Patents

Abstract

The utility model discloses a foundation pit supporting device, which relates to the field of foundation pit supporting and comprises a box body, a driving piece, a pair of moving blocks, four supporting plates, four pairs of connecting rods and four telescopic rods, wherein the driving piece is fixedly arranged at the central position in the box body, the driving piece is provided with two moving ends and is respectively connected with the pair of moving blocks, sliding ports are respectively formed in the two sides of the centers of the four side walls of the box body in the vertical direction, and the four pairs of connecting rods respectively penetrate through the sliding ports; according to the utility model, the driving piece in the box body drives the upper moving block and the lower moving block to be far away, so that the connecting rods hinged to the periphery of the moving block tend to be horizontal, and the supporting plates around the outer part of the box body are outwards expanded, so that the supporting protection of the periphery of the foundation pit with the smaller square opening is realized, and the structure is simple and the use is convenient.

Description

Foundation pit supporting device

Technical Field

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

Background

The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, and is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment, and the foundation pit edge needs to be supported in order to avoid collapse of the foundation pit edge along with the increasing depth of the foundation pit in the process of excavation of the foundation pit.

The existing foundation pit supporting structure is basically a structure with single-side supports or double-side supports, more foundation pits are used for larger foundation pits, and a plurality of the structures are used for supporting and protecting the foundation pits. However, in the field working process, there are many smaller and deeper square foundation pits, which still need to be supported and protected by foundation pit support before waiting for installing the foundation column and when waiting for a shutdown due to weather, but because the caliber of the foundation pit support is limited, the internal space is limited, a plurality of existing unilateral foundation pit support devices cannot be placed in the foundation pit support device, and the effect of supporting and protecting the periphery of the square foundation pit cannot be met, so that a new foundation pit support device needs to be developed urgently.

Disclosure of Invention

According to the foundation pit supporting device, the driving piece in the box body drives the upper moving block and the lower moving block to be far away, so that the connecting rods hinged to the periphery of the moving block tend to be horizontal, the supporting plates around the outer part of the box body are outwards expanded, the supporting protection of the periphery of a foundation pit with a smaller square opening is realized, and the foundation pit supporting device is simple in structure and convenient to use.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a foundation pit supporting device, includes box, driving piece, a pair of movable block, four backup pads, four pairs of connecting rods and four telescopic links, the driving piece is fixed to be set up central point put in the box, the driving piece has two movable ends and is connected respectively with a pair of movable block, the smooth mouth has been seted up respectively to the center both sides of the vertical direction of four lateral walls of box, four pairs of connecting rods run through respectively in the smooth mouth, the one end of four pairs of connecting rods articulates around with a pair of movable block respectively, the other end articulates with the lateral wall of four backup pads respectively, the connecting rod that a pair of movable block and a pair of movable block are connected uses the driving piece to set up as central symmetry, four telescopic links are fixed mounting respectively in the central point put of four lateral walls of box, the telescopic end of telescopic link and the central point put fixed connection of backup pad lateral wall, the driving piece drive a pair of movable block is kept away from and can make the connecting rod tend to the level.

Preferably, the driving piece comprises a motor and a pair of threaded rods, the motor is fixedly arranged at the central position in the box body through a mounting seat, the motor is a double-head motor, two output ends are fixedly connected with one ends of the pair of threaded rods respectively, the other ends of the pair of threaded rods are rotationally connected with the upper bottom and the lower bottom of the box body, the directions of threads on the pair of threaded rods are opposite, threaded holes are formed in the moving blocks, and the pair of moving blocks are respectively connected with the pair of threaded rods in a screwing mode through the threaded holes.

Preferably, a base is arranged at the bottom of the box body.

Preferably, the upper top surface of the box body is provided with a hanging ring.

Preferably, the slot is set up to the vertical terminal surface of backup pad, sliding grafting has the extension board in the slot, a plurality of fixed orificess have been seted up to the backup pad position near the edge, a plurality of through-holes have evenly been seted up to the extension board height level that corresponds the fixed orificess, the extension board passes fixed orificess and through-hole with the backup pad through the bolt and fixes.

The utility model provides a foundation pit supporting device, which has the following beneficial effects:

1. according to the utility model, the driving piece in the box body drives the upper moving block and the lower moving block to be far away, so that the connecting rods hinged to the periphery of the moving block tend to be horizontal, and the supporting plates around the outer part of the box body are outwards expanded, so that the supporting protection of the periphery of a foundation pit with a smaller square opening is realized, the structure is simple, and the use is convenient;

2. according to the utility model, the vertical end face of the supporting plate is provided with the slot, and the extension plate is inserted, so that a department can be pulled out from the slot by the extension plate and is fixed with the supporting plate through the bolts, the protection area of the supporting plate is increased, and the supporting protection effect is improved.

Drawings

Fig. 1 is a front cross-sectional view of a foundation pit supporting device of the present utility model.

FIG. 2 is a top cross-sectional view of the utility model at A-A of FIG. 1.

Fig. 3 is a schematic top view of the support plate and extension plate of fig. 1 in accordance with the present utility model.

Fig. 4 is a schematic front view of the support plate and extension plate of fig. 1 according to the present utility model.

In the figure: 1. a base; 2. a sliding port; 3. a connecting rod; 4. a motor; 5. a case; 6. a hanging ring; 7. a telescopic rod; 8. a moving block; 9. a threaded rod; 10. a support plate; 11. a bolt; 12. a fixing hole; 13. a through hole; 14. a slot; 15. an extension plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the foundation pit supporting device comprises a box body 5, a driving piece, a pair of moving blocks 8, four supporting plates 10, four pairs of connecting rods 3 and four telescopic rods 7, wherein the driving piece is fixedly arranged at the central position of the box body 5, the driving piece is provided with two moving ends and is respectively connected with the pair of moving blocks 8, sliding ports 2 are respectively formed in the two sides of the centers of the four side walls of the box body 5 in the vertical direction, the four pairs of connecting rods 3 respectively penetrate through the sliding ports 2, one ends of the four pairs of connecting rods 3 are respectively hinged with the periphery of the pair of moving blocks 8, the other ends of the four pairs of connecting rods 3 are respectively hinged with the side walls of the four supporting plates 10, the connecting rods 3 connected with the pair of moving blocks 8 and the pair of moving blocks 8 are symmetrically arranged by taking the driving piece as the center, the four telescopic rods 7 are respectively fixedly arranged at the central positions of the four side walls of the box body 5, the telescopic ends of the telescopic rods 7 are fixedly connected with the central positions of the side walls of the supporting plates 10, and the driving piece drives the pair of moving blocks 8 to be far away from the side walls so that the connecting rods 3 tend to be horizontal; the driving piece comprises a motor 4 and a pair of threaded rods 9, the motor 4 is fixedly arranged at the central position in the box body 5 through a mounting seat, the motor 4 is a double-headed motor 4, two output ends are respectively and fixedly connected with one ends of the pair of threaded rods 9, the other ends of the pair of threaded rods 9 are rotationally connected with the upper bottom and the lower bottom of the box body 5, the directions of threads on the pair of threaded rods 9 are opposite, threaded holes are formed in the moving blocks 8, and the pair of moving blocks 8 are respectively connected with the pair of threaded rods 9 in a screwed mode through the threaded holes; the bottom of the box body 5 is provided with a base 1; the upper top surface of the box body 5 is provided with a hanging ring 6; the vertical terminal surface of backup pad 10 has seted up slot 14, the slip grafting has extension board 15 in slot 14, a plurality of fixed orifices 12 have been seted up to the position that backup pad 10 is close to the edge, a plurality of through-holes 13 have evenly been seted up to the height level that extension board 15 corresponds fixed orifice 12, extension board 15 and backup pad 10 pass fixed orifice 12 and through-hole 13 through bolt 11 and are fixed.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

example 1

As can be seen from fig. 1-2 of the specification, when the present utility model is used, a person can place the device in a small-caliber foundation pit, for example, 50cm-100cm caliber, and the design size of the foundation pit supporting device of the present utility model can be designed according to the commonly used pore size, which is not limited herein. The device is placed in the foundation pit and then the driving piece is opened to enable the driving piece to work, two moving ends of the driving piece can drive a pair of moving blocks 8 to move away from or approach each other, taking fig. 1 as an example, a pair of moving blocks 8 and a pair of connecting rods 3 connected with the moving blocks 8 are symmetrically arranged by taking the driving piece as a center, one ends of the connecting rods 3 which drive the moving blocks 8 to be hinged are mutually away from each other, as sliding ports 2 are respectively formed in two sides of the center of the four side walls of the box body 5 in the vertical direction, the other ends of the connecting rods 3 are hinged with the side walls of the supporting plates 10, when the connecting rods 3 on the moving blocks 8 tend to be horizontal, the other ends of the connecting rods 3 can push the supporting plates 10 to move outwards, so that the supporting and protecting can be carried out with the side walls, and as the four supporting plates 10 are arranged on the four sides of the box body 5.

The driving piece can be cylinder driving, also can be motor 4 and threaded rod 9, the preferred motor 4 and a pair of threaded rod 9 of using, motor 4 passes through the mount pad and sets up central point in box 5 put, the power cord passes box 5 to outside, motor 4 uses the double-end motor 4 of two output, a pair of threaded rod 9 one end is connected with motor 4 output, the other end rotates with the bottom from top to bottom in the box 5 to be connected, a pair of threaded rod 9 upper way Wo Enfang is opposite, and a pair of movable block 8 connect the threaded rod 9 that sets up in the motor 4 both sides soon through the screw hole, motor 4 rotates and can drive movable block 8 and keep away from each other or be close to, from fig. 1, when a pair of movable block 8 kept away from, backup pad 10 outwards opens, support the protection, shrink when being close to, take out the device.

Wherein, the base 1 is arranged on the lower bottom surface of the box body 5, and for a shallow foundation pit or a foundation pit needing bottoming, the base 1 is directly connected with the ground, so that the opening of the supporting plate 10 is not influenced; set up rings 6 at box 5 top, adopt lifting device, hang on rings 6, hang this device, put into square mouthful foundation ditch, can support the protection to optional position in the foundation ditch, can reach the effect of a vacation support, of course, to deeper square mouthful foundation ditch, can vertically arrange a plurality of this devices in proper order in the foundation ditch and support the protection.

Example 2

As can be seen from fig. 3 to 4 of the specification, on the basis of embodiment 1, a slot 14 is formed on a vertical end surface of a supporting plate 10, an extension plate 15 matched with the slot 14 can be inserted into the slot 14 and can slide, a plurality of fixing holes 12 are formed on the supporting plate 10 near the edge, a plurality of through holes 13 are horizontally formed on the extension plate 15 corresponding to the height of the fixing holes 12, the corresponding through holes 13 correspond to the fixing holes 12 according to the pulling distance of the extension plate 15, and the corresponding through holes 13 and the fixing holes are fixed by bolts 11, so that the purpose of adjusting the pulling length of the extension plate 15 is achieved, the support area is increased due to the fact that the extension plate 15 can be pulled out to be matched with the supporting plate 10, and the supporting protection effect is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a foundation ditch strutting arrangement, its characterized in that includes box (5), driving piece, a pair of movable block (8), four backup pad (10), four pairs of connecting rod (3) and four telescopic links (7), the driving piece is fixed to be set up central point put in box (5), the driving piece has two movable ends and is connected respectively with a pair of movable block (8), slide opening (2) have been seted up respectively to the central both sides of the vertical direction of four lateral walls of box (5), four pairs of connecting rod (3) run through respectively in slide opening (2), the one end of four pairs of connecting rod (3) respectively with articulated all around of a pair of movable block (8), the other end is articulated with the lateral wall of four backup pad (10) respectively, a pair of movable block (8) and a pair of connecting rod (3) that movable block (8) are connected use the driving piece to set up for central symmetry, and four telescopic links (7) are fixed mounting respectively in the central point put fixed connection of four lateral walls of box (5), and the central point put fixed connection of the movable block (8) lateral wall of a pair of telescopic link (7) and backup pad (10) enable the driving of connecting rod (3) to tend to move away from the level.

2. The foundation pit supporting device according to claim 1, wherein the driving member comprises a motor (4) and a pair of threaded rods (9), the motor (4) is fixedly arranged at the central position in the box body (5) through a mounting seat, the motor (4) is a double-headed motor (4), two output ends are fixedly connected with one ends of the pair of threaded rods (9) respectively, the other ends of the pair of threaded rods (9) are rotatably connected with the upper bottom and the lower bottom of the box body (5), the directions of threads on the pair of threaded rods (9) are opposite, threaded holes are formed in the moving blocks (8), and the pair of moving blocks (8) are rotatably connected with the pair of threaded rods (9) through the threaded holes respectively.

3. A foundation pit supporting device according to claim 1, characterized in that the bottom of the tank (5) is provided with a foundation (1).

4. A foundation pit supporting device according to claim 1, characterized in that the upper top surface of the box (5) is provided with a lifting ring (6).

5. The foundation pit supporting device according to any one of claims 1 to 4, wherein the vertical end face of the supporting plate (10) is provided with a slot (14), an extension plate (15) is slidably inserted in the slot (14), a plurality of fixing holes (12) are formed in the position, close to the edge, of the supporting plate (10), a plurality of through holes (13) are uniformly formed in the extension plate (15) corresponding to the height level of the fixing holes (12), and the extension plate (15) and the supporting plate (10) are fixed through bolts (11) penetrating through the fixing holes (12) and the through holes (13).