CN221167842U - Foundation pit retaining structure convenient to disassemble - Google Patents

Abstract

The utility model discloses a foundation pit retaining structure convenient to disassemble, which relates to the technical field of building construction and comprises two bottom plates, wherein one end of each bottom plate is rotatably connected with a same retaining plate, a square groove is formed in each retaining plate, a lifting plate is slidably arranged in each square groove, and a lifting device for adjusting the height of each lifting plate is arranged between each retaining plate and each lifting plate; the bottom plate is provided with a fixing device for fixing the bottom plate; a rotating mechanism for adjusting the angle of the soil retaining plate is arranged between the soil retaining plate and the bottom plate. According to the utility model, the lifting device is arranged, so that the lifting plate can be lifted from the soil-retaining plate when the soil-retaining range of the foundation pit is raised, the soil-retaining plate with a higher soil-retaining range does not need to be replaced again, and the practicability of the soil-retaining structure of the foundation pit is improved; by arranging the fixing device, the fixing cone can be firmly wedged into the ground, so that the effect that the fixing effect is influenced by the transverse sliding of the soil retaining plate and the bottom plate under the action of transverse force is avoided.

Description

Foundation pit retaining structure convenient to disassemble

Technical Field

The utility model relates to the technical field of building construction, in particular to a foundation pit retaining structure convenient to detach.

Background

When building construction is performed, a foundation pit needs to be excavated, and when the foundation pit is constructed, foundation pit support is required in a normal case. The foundation pit support is a measure for reinforcing and protecting the support adopted by the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit. The soil guard structure is a structure commonly used in foundation pit support. The soil retaining structure is various in form, such as concrete retaining wall, soil retaining plate, etc.

The utility model provides a building construction's foundation ditch soil retaining structure, is fixed through utilizing foundation ditch soil body dead weight, overturns simultaneously through the cylinder effect and keeps off the structure of soil to the foundation ditch, including fixed subassembly, soil retaining subassembly, the soil retaining subassembly articulates and arranges in on the fixed subassembly, is provided with the cylinder between soil retaining subassembly and the fixed subassembly, and cylinder, fixed subassembly, soil retaining subassembly combination form triangle-shaped, fixed subassembly includes base, preceding picture peg, goes up picture peg, reinforcing plate, fixing base, the soil retaining subassembly includes articulated ear, main soil retaining roof beam, auxiliary soil retaining roof beam, and main soil retaining roof beam bottom is provided with articulated ear, and articulated ear corresponds and fixed ear connects, and main soil retaining roof beam is hollow structure, and auxiliary soil retaining roof beam slides and arranges in main soil retaining roof beam, can insert fixedly fast, fastens through the soil body dead weight.

Above-mentioned building's foundation ditch soil retaining structure utilizes preceding picture peg and base both sides to bend and forms the side and keep off, fixes through soil body dead weight, but the base is at the in-process that the baffle supported, because the lateral pressure that the baffle received, can promote base and preceding picture peg slip subaerial, leads to unable better fixed effect of playing.

Disclosure of Invention

The utility model aims at the problems and provides a foundation pit retaining structure convenient to detach, which solves the problem that the foundation pit retaining structure at present cannot achieve a good fixing effect due to the fact that a base and a front plugboard slide on the ground under the action of transverse force in the using process.

The technical scheme of the utility model is as follows: a foundation pit retaining structure convenient to detach comprises a retaining plate and two bottom plates;

One end of each bottom plate is rotatably connected with the same soil retaining plate, each soil retaining plate is provided with a square groove, lifting plates are slidably connected in the square grooves, and lifting devices for adjusting the heights of the lifting plates are arranged between the soil retaining plates and the lifting plates;

The bottom plate is provided with a fixing device for fixing the bottom plate;

And a rotating mechanism for adjusting the angle of the soil retaining plate is arranged between the soil retaining plate and the bottom plate.

Further, fixing device includes stand, fixed cone, fixed column, threaded rod A, rocker A, taper groove, erection column, rack, gear shaft and rocker B, it runs through to slide in the bottom plate has the fixed column, the fixed column top is equipped with the mounting panel, be equipped with the taper groove in the fixed column, the taper groove lateral wall is equipped with a plurality of recess A that link up respectively, be equipped with threaded rod A in the taper groove, threaded rod A first end is threaded through taper groove roof and mounting panel respectively and is connected with rocker A, threaded rod A second end runs through the taper groove and is connected with fixed cone, be equipped with two erection columns respectively on the mounting panel, the erection column outside is connected with the rack, be equipped with two stands respectively on the fixed plate of mounting panel both sides, two with the same end be equipped with the gear shaft between the stand respectively, the gear shaft both ends are connected with the stand rotation, gear shaft one end rotates and runs through one of them stand and is connected with rocker B, the cover is equipped with the gear on the gear shaft, gear and rack meshing are connected.

Further, slewing mechanism includes fixed block, bracing piece, slider A, spout A, threaded rod and rocker C, be equipped with spout A on the bottom plate of fixed column one side, the gliding slider A that is equipped with in the spout A, the slider A internal thread runs through there is the threaded rod, the threaded rod both ends are connected with spout A inner wall rotation respectively, threaded rod one end rotates and runs through spout A lateral wall connection rocker C, articulated the first end that has the bracing piece on the slider A, be equipped with four fixed blocks on the retaining plate respectively, be equipped with the bolt hole A that link up in the fixed block, two bolt hole A internal thread connections in the homonymy have same bolt A, two the second end of bracing piece all is equipped with sleeve A, sleeve A movable sleeve is established on bolt A between two fixed blocks of homonymy.

Further, elevating gear includes spout B, square groove, slider B, two-way threaded rod, rocker D and connecting rod, the square groove diapire is equipped with spout B, it is equipped with two slider B to slide in the spout B respectively, two slider B internal thread connection has same two-way threaded rod, two ends of two-way threaded rod rotate with spout B lateral wall respectively and are connected, two-way threaded rod one end rotates and runs through spout B lateral wall and be connected with rocker D, it has the first end of connecting rod to articulate on the slider B, two the second end of connecting rod is all articulated with the lifter plate bottom.

Further, sleeve B is arranged at the bottom of the retaining plate, groove B is arranged at the left end of the bottom plate, through bolt holes B are formed in two side walls of the groove B, the same bolt B is connected with two inner threads of the bolt holes B, and the sleeve B is movably sleeved on the bolt B between the two bolt holes B at the same side.

Further, the fixing column is made of elastic materials.

The utility model has the advantages that:

According to the utility model, the lifting device is arranged, so that the lifting plate can be lifted from the soil-retaining plate when the soil-retaining range of the foundation pit is raised, the soil-retaining plate with a higher soil-retaining range does not need to be replaced again, and the practicability of the soil-retaining structure of the foundation pit is improved; by arranging the fixing device, the fixing cone can be firmly wedged into the ground, so that the influence of transverse sliding of the soil retaining plate and the bottom plate on the fixing effect is avoided under the action of transverse force; the angle of the soil retaining plate is conveniently adjusted according to the inclination degree of the foundation pit by arranging the rotating mechanism, so that the practicability of the soil retaining structure of the foundation pit is further improved; through arranging the bolts and the screw holes to be matched, the soil retaining plate and the bottom plate can be conveniently and rapidly detached in the use process, the portability of the whole foundation pit soil retaining structure is improved, and the foundation pit soil retaining structure is simple and reliable in structure, convenient to control and suitable for popularization.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the mounting of the fixture cone of the present utility model;

FIG. 3 is a schematic view of a mounting of a stationary post of the present utility model;

FIG. 4 is a schematic view of the threaded rod installation of the present utility model;

FIG. 5 is a schematic view of the bi-directional threaded rod installation of the present utility model;

FIG. 6 is a schematic view of the rack installation of the present utility model;

fig. 7 is a schematic diagram of a floor mounting of the present utility model.

Reference numerals: 1 is a bottom plate, 2 is a soil retaining plate, 21 is a sleeve B, 22 is a sliding chute B, 23 is a square groove, 3 is a fixed block, 4 is a supporting rod, 41 is a sliding block A, 42 is a sleeve A, 43 is a bolt A, 5 is a lifting plate, 6 is a rocker C, 7 is a stand column, 8 is a fixed cone, 81 is a fixed column, 82 is a threaded rod A, 83 is a rocker A, 84 is a conical groove, 85 is a mounting column, 86 is a rack, 87 is a gear, 88 is a gear shaft, 89 is a rocker B, 810 is a mounting plate, 9 is a threaded rod, 10 is a bolt B, 11 is a sliding chute A, and 12 is a groove B.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 7, a foundation pit retaining structure which is convenient to disassemble comprises a retaining plate 2 and two bottom plates 1;

One end of each bottom plate 1 is rotatably connected with the same soil retaining plate 2, each bottom plate 1 is used for installing the soil retaining plate 2, square grooves 23 are formed in the soil retaining plates 2, the soil retaining plates 2 are used for intercepting earthwork around a building foundation pit, construction work is guaranteed to be smoothly carried out, lifting plates 5 are slidably installed in the square grooves 23, the square grooves 23 are used for installing the lifting plates 5, the lifting plates 5 are used for lifting the soil retaining range, and lifting devices for adjusting the heights of the lifting plates 5 are installed between the soil retaining plates 2 and the lifting plates 5;

The bottom plate 1 is provided with a fixing device for fixing the bottom plate 1;

a rotating mechanism for adjusting the angle of the soil-retaining plate 2 is arranged between the soil-retaining plate 2 and the bottom plate 1.

Specifically, the fixing device comprises a stand column 7, a fixing cone 8, a fixing column 81, a threaded rod A82, a rocker A83, a conical groove 84, a mounting column 85, a rack 86, a gear 87, a gear shaft 88 and a rocker B89, wherein the fixing column 81 is penetrated in a sliding way in the base plate 1, the mounting plate 810 is mounted at the top of the fixing column 81, the conical groove 84 is arranged in the fixing column 81, a plurality of through grooves A are respectively arranged on the side wall of the conical groove 84, the grooves A ensure that the conical groove 84 can be spread under the action of the fixing cone 8, thereby achieving a better fixing effect in the vertical direction, the threaded rod A82 is mounted in the conical groove 84, the fixing column 81 is used for mounting the threaded rod A82, the first end of the threaded rod A82 penetrates through the top wall of the conical groove 84 and the mounting plate 810 in a threaded manner to be connected with a rocker A83, the second end of the threaded rod A82 penetrates through the conical groove 84 to be connected with a fixed cone 8, two mounting columns 85 are respectively mounted on the mounting plate 810, racks 86 are connected to the outer sides of the mounting columns 85, the mounting columns 85 are used for mounting the racks 86, two upright posts 7 are respectively mounted on the fixing plates 1 on the two sides of the mounting plate 810, a gear shaft 88 is mounted between the two upright posts 7 on the same end, the upright posts 7 are used for mounting the gear shaft 88, the two ends of the gear shaft 88 are respectively connected with the upright posts 7 in a rotating manner, one end of the gear shaft 88 penetrates through one upright post 7 in a rotating manner to be connected with a rocker B89, a gear 87 is mounted on the gear shaft 88, and the gear 87 is in meshed connection with the racks 86;

Specifically, when the soil-blocking plate 2 needs to be fixed, the worker moves the soil-blocking plate 2 and the bottom plate 1 to a proper position, the rocker B89 is rotated to drive the gear shaft 88 to rotate, the gear shaft 88 is rotated to drive the gear 87 to rotate, the gear 87 is rotated to drive the rack 86 to move, the rack 86 is moved to drive the mounting column 85 to move, the mounting column 85 is moved to drive the mounting plate 810 to move, the mounting plate 810 is moved to drive the fixing column 81 to move downwards, the fixing column 81 moves downwards to drive the fixing cone 8 to move downwards, so that the fixing column 81 and the fixing cone 8 are wedged into the ground, the soil-blocking plate 2 is prevented from sliding due to transverse acting force, then the rocker A83 is rotated, the rocker A83 is rotated to drive the fixing cone 8 to move upwards, the bottom of the fixing cone 8 is propped up from the conical groove 84, the ground is more firmly gripped, and a better fixing effect is achieved.

Specifically, the rotating mechanism comprises a fixed block 3, a support rod 4, a sliding block A41, a sliding groove A11, a threaded rod 9 and a rocker C6, wherein a sliding groove A11 is arranged on a bottom plate 1 at one side of a fixed column 81, the sliding block A41 is installed in the sliding groove A11 in a sliding connection mode, the sliding groove A11 is used for installing the sliding block A41, the sliding groove A11 is matched with the sliding block A41 and ensures that the sliding block A41 stably slides in the sliding groove A11, the threaded rod 9 penetrates through an internal thread of the sliding block A41, two ends of the threaded rod 9 are respectively in rotary connection with the inner wall of the sliding groove A11, one end of the threaded rod 9 penetrates through the side wall of the sliding groove A11 in a rotary mode, the rocker C6 is connected with one end of the sliding groove A11 in a rotary mode, a first end of the supporting rod 4 is hinged to the sliding groove A11, four fixed blocks 3 are respectively installed on a retaining plate 2, through bolt holes A42 are arranged in the fixed blocks 3, sleeve A42 are respectively installed at the second ends of the two supporting rods 4 in the same side, the fixed blocks A42 are used for installing the sleeve A42, the sleeve A42 is movably installed on the bolt A43 between the two fixed blocks 3 at the same side, and the first end is used for connecting the supporting plate 4 and the retaining plate 2;

Specifically, a sleeve B21 is installed at the bottom of the retaining plate 2, a groove B12 is formed in the left end of the bottom plate 1, through bolt holes B are formed in two side walls of the groove B12, the same bolt B10 is connected to the two bolt holes B in a threaded mode, the sleeve B21 is movably installed on the bolt B10 between the two bolt holes B on the same side, the groove B12 is used for installing the sleeve B21, and the bolt B10 is used for connecting the bottom plate 1 and the retaining plate 2;

Specifically, when the soil-retaining plate 2 needs to be fixed, the worker first needs to connect the bottom plate 1 and the soil-retaining plate 2 through the bolt holes B and the bolts B10, and connects the support plate 4 and the soil-retaining plate 2 through the bolt holes a and the bolts a43, so that the soil-retaining plate 2 is conveniently fixed or the inclination angle of the soil-retaining plate 2 is conveniently adjusted.

Specifically, when the inclination of the soil retaining plate 2 needs to be adjusted, the staff rotates the rocker C6, the rocker C6 rotates to drive the threaded rod 9 to rotate, the threaded rod 9 rotates to drive the sliding block A41 to move, the sliding block A41 moves to drive the supporting rod 4 to rotate, and the supporting rod 4 rotates to drive the soil retaining plate 2 to rotate around the bolt B10, so that the soil retaining plate 2 is adjusted to a proper angle, and soil retaining is conveniently carried out on building foundation pits with different inclination angles.

Specifically, the lifting device comprises a chute B22, a square groove 23, a sliding block B51, a bidirectional threaded rod 52, a rocker D53 and a connecting rod 54, wherein the chute B22 is arranged on the bottom wall of the square groove 23, two sliding blocks B51 are respectively and slidably connected in the chute B22, the sliding chute B22 is used for mounting the sliding block B51, the same bidirectional threaded rod 52 is connected with the two sliding blocks B51 in a threaded manner, two ends of the bidirectional threaded rod 52 are respectively and rotatably connected with the side wall of the sliding chute B22, one end of the bidirectional threaded rod 52 is rotatably connected with the rocker D53 penetrating through the side wall of the sliding chute B22, the first ends of the connecting rods 54 are hinged on the sliding blocks B51, and the second ends of the two connecting rods 54 are both hinged with the bottom of the lifting plate 5;

Specifically, when the soil retaining range of the soil retaining plate 2 needs to be adjusted, the worker rotates the rocker D53, the rocker D53 rotates to drive the bidirectional threaded rod 52 to rotate, the bidirectional threaded rod 52 rotates to drive the slide block B51 to move, the slide block B51 moves to drive the connecting rod 54 to rotate, and the connecting rod 54 rotates to drive the lifting plate 5 to move, so that the height of the lifting plate 5 is adjusted to a proper height according to the height of a building foundation pit.

Specifically, the fixing post 81 is made of an elastic material.

The application method of the utility model comprises the following steps:

when the soil-retaining plate 2 needs to be fixed, a worker firstly needs to connect the bottom plate 1 with the soil-retaining plate 2 through the bolt holes B and the bolts B10, and connect the supporting plate 4 with the soil-retaining plate 2 through the bolt holes A and the bolts A43, so that the soil-retaining plate 2 is conveniently fixed or the inclination angle of the soil-retaining plate 2 is conveniently adjusted; then, the retaining plate 2 and the bottom plate 1 are moved to a proper position, the rocker B89 is rotated to drive the gear shaft 88 to rotate, the gear shaft 88 is rotated to drive the gear 87 to rotate, the gear 87 is rotated to drive the rack 86 to move, the rack 86 is moved to drive the mounting column 85 to move, the mounting column 85 is moved to drive the mounting plate 810 to move, the mounting plate 810 is moved to drive the fixing column 81 to move downwards, the fixing column 81 is moved downwards to drive the fixing cone 8 to move downwards, so that the fixing column 81 and the fixing cone 8 are wedged into the ground, the retaining plate 2 is prevented from sliding due to transverse acting force, then the rocker A83 is rotated, the rocker A83 is rotated to drive the fixing cone 8 to move upwards, and the fixing cone 8 is moved upwards to prop the fixing column 81 from the conical groove 84 at the bottom, so that the ground is more firmly grasped, and a better fixing effect is achieved; when the inclination angle of the soil-retaining plate 2 needs to be adjusted, a worker rotates the rocker C6, the rocker C6 rotates to drive the threaded rod 9 to rotate, the threaded rod 9 rotates to drive the sliding block A41 to move, the sliding block A41 moves to drive the supporting rod 4 to move, and the supporting rod 4 moves to drive the soil-retaining plate 2 to rotate around the bolt B10, so that the soil-retaining plate 2 is adjusted to a proper angle, and soil retaining is conveniently carried out on building foundation pits with different inclination angles; then, the staff rotates the rocker D53, the rocker D53 rotates to drive the bidirectional threaded rod 52 to rotate, the bidirectional threaded rod 52 rotates to drive the sliding block B51 to move, the sliding block B51 moves to drive the connecting rod 54 to rotate, and the connecting rod 54 rotates to drive the lifting plate 5 to move, so that the height of the lifting plate 5 is adjusted to be at a proper height according to the height of a building foundation pit; when the engineering is finished and the soil retaining structure needs to be dismantled, the rocker A83 is reversely rotated, the rocker A83 rotates to drive the fixed cone 8 to move downwards, the fixed cone 8 moves downwards to move out of the conical groove 84 at the bottom of the fixed column 81, and as the fixed column 81 is made of elastic materials, the conical groove 84 at the bottom of the fixed cone 8 is restored after the fixed cone 8 moves out of the conical groove 84 at the bottom of the fixed column 81, then the rocker B89 is reversely rotated to move out the fixed column 81 from the ground, the fixation is canceled, and then the bolt A43 and the bolt B10 are loosened to detach the soil retaining plate 2 and the bottom plate 1, so that the soil retaining plate is convenient to carry.

According to the utility model, the lifting device is arranged, so that the lifting plate can be lifted from the soil-retaining plate when the soil-retaining range of the foundation pit is raised, the soil-retaining plate with a higher soil-retaining range does not need to be replaced again, and the practicability of the soil-retaining structure of the foundation pit is improved; by arranging the fixing device, the fixing cone can be firmly wedged into the ground, so that the fixing effect is prevented from being influenced by transverse sliding of the soil retaining plate and the bottom plate; the angle of the soil retaining plate is conveniently adjusted according to the inclination degree of the foundation pit by arranging the rotating mechanism, so that the practicability of the soil retaining structure of the foundation pit is further improved; through arranging the bolts and the screw holes to be matched, the soil retaining plate and the bottom plate can be conveniently and rapidly detached in the use process, the portability of the whole foundation pit soil retaining structure is improved, and the foundation pit soil retaining structure is simple and reliable in structure, convenient to control and suitable for popularization.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The foundation pit retaining structure convenient to disassemble is characterized by comprising a retaining plate (2) and two bottom plates (1);

One end of each bottom plate (1) is rotatably connected with the same soil retaining plate (2), each soil retaining plate (2) is provided with a square groove (23), lifting plates (5) are slidably connected in the square grooves (23), and lifting devices for adjusting the heights of the lifting plates (5) are arranged between the soil retaining plates (2) and the lifting plates (5);

The bottom plate (1) is provided with a fixing device for fixing the bottom plate (1);

a rotating mechanism for adjusting the angle of the soil retaining plate (2) is arranged between the soil retaining plate (2) and the bottom plate (1).

2. The foundation pit retaining structure convenient to disassemble according to claim 1, wherein: the fixing device comprises a stand column (7), a fixing cone (8), a fixing column (81), a threaded rod A (82), a rocker A (83), a conical groove (84), a mounting column (85), a rack (86), a gear (87), a gear shaft (88) and a rocker B (89), wherein the fixing column (81) is penetrated in a sliding manner in the base plate (1), the top of the fixing column (81) is provided with a mounting plate (810), the conical groove (84) is arranged in the fixing column (81), the side wall of the conical groove (84) is respectively provided with a plurality of through grooves A, the threaded rod A (82) is arranged in the conical groove (84), the first end of the threaded rod A (82) penetrates through the top wall of the conical groove (84) and the mounting plate (810) in a threaded manner, the second end of the threaded rod A (82) penetrates through the conical groove (84) to be connected with the fixing cone (8), two mounting plates (810) are respectively provided with two mounting columns (85), the outer sides of the mounting column (85) are connected with the rack (86), the fixing plates (1) are respectively provided with two stand columns (7) on the two sides of the fixing plates (810), two stand columns (88) are respectively provided with two ends (7) and two stand columns (7) are respectively connected with two ends (88), one end of the gear shaft (88) rotates to penetrate through one of the upright posts (7) and is connected with a rocker B (89), a gear (87) is sleeved on the gear shaft (88), and the gear (87) is meshed with the rack (86).

3. The foundation pit retaining structure convenient to disassemble according to claim 2, wherein: the rotating mechanism comprises a fixed block (3), a supporting rod (4), a sliding block A (41), a sliding groove A (11), a threaded rod (9) and a rocker C (6), wherein the sliding groove A (11) is arranged on a bottom plate (1) on one side of a fixed column (81), the sliding block A (41) is arranged in the sliding groove A (11) in a sliding manner, the threaded rod (9) is penetrated through by internal threads of the sliding block A (41), two ends of the threaded rod (9) are respectively connected with the inner wall of the sliding groove A (11) in a rotating manner, one end of the threaded rod (9) is connected with the rocker C (6) through the side wall of the sliding groove A (11), the sliding groove A (11) is hinged with a first end of the supporting rod (4), four fixed blocks (3) are respectively arranged on a retaining plate (2), two through bolt holes A are formed in the same side of the fixed block (3) in a threaded manner, two second ends of the supporting rod (4) are respectively provided with a sleeve A (42), and sleeves A (42) are movably sleeved on the bolts A (43) between the two fixed blocks on the same side.

4. The foundation pit retaining structure convenient to disassemble according to claim 1, wherein: the lifting device comprises a sliding chute B (22), a square groove (23), sliding blocks B (51), two bidirectional threaded rods (52), a rocker D (53) and a connecting rod (54), wherein the sliding chute B (22) is arranged on the bottom wall of the square groove (23), two sliding blocks B (51) are arranged in the sliding chute B (22) in a sliding manner, the two sliding blocks B (51) are internally and in threaded connection with the same bidirectional threaded rods (52), two ends of each bidirectional threaded rod (52) are respectively connected with the side wall of the sliding chute B (22) in a rotating manner, one end of each bidirectional threaded rod (52) is connected with the rocker D (53) in a rotating manner, the first ends of the connecting rods (54) are hinged to the side wall of the sliding chute B (51), and the second ends of the two connecting rods (54) are hinged to the bottom of the lifting plate (5).

5. The foundation pit retaining structure convenient to disassemble according to claim 1, wherein: the soil guard plate is characterized in that a sleeve B (21) is arranged at the bottom of the soil guard plate (2), a groove B (12) is formed in the left end of the bottom plate (1), through bolt holes B are formed in two side walls of the groove B (12), the same bolt B (10) is connected with two bolt holes B in a threaded mode, and the sleeve B (21) is movably sleeved on the bolt B (10) between the two bolt holes B on the same side.

6. The foundation pit retaining structure convenient to disassemble according to claim 2, wherein: the fixing column (81) is made of elastic material.