Foundation pit edge enclosure structure

Abstract

The utility model relates to the technical field of building construction, in particular to a foundation pit edge enclosure structure which comprises a stand column and a plurality of movable baffles, the movable baffles are connected in a rotating mode, a connecting strip is fixed to one end of the movable baffle on the outermost side, an installation plate is fixed to the outer side of the connecting strip, and the installation plate is fixed to the stand column. A connecting mechanism is arranged between the stand column and the mounting plate, the inner side of the movable baffle is movably connected with a protection plate, and a clamping mechanism is arranged between the protection plate and the movable baffle. The vertical columns and the movable baffles can be connected by matching the mounting plates with the limiting columns, the guardrails can be quickly disassembled and assembled by matching the fixing plates with the first springs, the movable baffles can be folded so that the size can be conveniently reduced for transportation, and the guardrails can be spliced at a certain angle by matching the fixing pins with the annular holes. And the clamping columns are matched with the mounting holes, so that the guard plates can be conveniently detached and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a foundation pit edge enclosure structure. Background Art

[0002] The foundation pit is a pit dug at the foundation design location according to the base elevation and foundation plane dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data and the construction conditions near the site, and waterproofing and drainage work should be done. After the foundation pit is excavated, in order to prevent passers-by from falling into the foundation pit without paying attention, protective fences are generally set up around the foundation pit to warn pedestrians not to approach.

[0003] The current foundation pit retaining structures all use a whole baffle plate in conjunction with a column. For example, the Chinese patent announcement number "CN208686210U" discloses a tool-type baffle foundation pit edge retaining structure, which includes two columns vertically arranged on the ground and parallel to each other, a baffle plate is detachably arranged between the two columns, and sliding bars are arranged on both sides of the baffle plate. The cross-sectional shape of the sliding bar is a dovetail shape. Sliding grooves for the sliding bars to slide into are provided on the two columns and along the length direction of the columns. A detachable counterweight block is provided at the end of the column close to the ground, and a socket for the column to be inserted is provided on the counterweight block. A clamping piece for fixing the column in the socket is provided at the end of the column close to the ground.

[0004] When it is necessary to protect the edge of the foundation pit, a large number of baffles are usually required. Since the baffles occupy a large space, it is not convenient to transport them. In addition, due to the different sizes of the foundation pits produced during construction, the guardrails cannot be connected and fixed at a certain angle using bolts. When protecting the foundation pit, they are not close enough to the edge of the foundation pit. In this case, longer guardrails will be used to form a larger protection circle. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art that the baffles take up a large space during transportation, which makes it inconvenient to transport the baffles, and proposes a foundation pit edge retaining structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A foundation pit edge retaining structure is designed, including columns and a plurality of movable baffles, the movable baffles are rotatably connected to each other, a connecting strip is fixed to one end of the outermost movable baffle, a mounting plate is fixed to the outer side of the connecting strip, a connecting mechanism is provided between the columns and the mounting plate, a guard plate is movably connected to the inner side of the movable baffle, and a clamping mechanism is provided between the guard plate and the movable baffle.

[0008] Furthermore, the connecting mechanism includes a horizontal plate and a connecting block, a limiting column is fixed on the top of the horizontal plate, the horizontal plate and the connecting block are fixed on both sides of the column, a vertical rod is fixed between the horizontal plate and the connecting block, the surface of the vertical rod is slidably connected with a fixed plate, the surface of the vertical rod is sleeved with a first spring, the two ends of the first spring are respectively in contact with the connecting block and the fixed plate, and an angle adjustment mechanism is provided between the horizontal plate and the mounting plate.

[0009] Furthermore, the angle adjustment mechanism includes a through hole and an annular hole, the through hole is opened on the surface of the mounting plate, the annular hole is opened on the surface of the transverse plate, and a fixing pin is threadedly connected between the annular hole and the through hole.

[0010] Furthermore, a bottom plate is fixed to the bottom of the column, and insertion holes are provided around the surface of the bottom plate.

[0011] Furthermore, the clamping mechanism includes a clamping slot and a sliding slot, the clamping slot is opened on the upper and lower sides of the movable baffle, the sliding slot is opened on the two sides of the clamping slot, the inner side of the sliding slot is slidably connected with a clamping column, the upper and lower sides of the guard plate are fixed with clamping blocks, both ends of the clamping block are opened with mounting holes, the clamping column is movably connected with the mounting hole, and a second spring is provided on the inner side of the sliding slot and the two ends of the second spring are respectively in conflict with the sliding slot and the clamping column.

[0012] Furthermore, a pushing portion is fixed to the outer side of the clamping column, and the pushing portion passes through the slide groove and extends to the outside of the slide groove.

[0013] The utility model proposes a foundation pit edge enclosure structure, which has the beneficial effects that: the utility model can connect the column and the movable baffle through the installation plate cooperating with the limit column, the guardrail can be quickly disassembled and assembled through the fixed plate cooperating with the first spring, the movable baffle can also be folded to facilitate the reduction of volume for transportation, the guardrails can be spliced ​​at a certain angle through the fixing pin cooperating with the annular hole, which better fits the edge of the foundation pit and reduces the use of the guardrail, and the clamping column cooperates with the installation hole to facilitate the disassembly of the guardplate for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the folding baffle of the utility model;

[0016] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0017] Figure 4 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0018] In the figure: 1. column; 2. movable baffle; 3. connecting strip; 4. mounting plate; 5. connecting mechanism; 51. horizontal plate; 52. connecting block; 53. limiting column; 54. vertical rod; 55. fixing plate; 56. first spring; 6. guard plate; 7. clamping mechanism; 71. clamping groove; 72. slide groove; 73. clamping column; 74. mounting hole; 75. second spring; 76. clamping block; 8. angle adjustment mechanism; 81. through hole; 82. annular hole; 83. fixing pin; 9. bottom plate; 10. socket; 11. pushing part. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4 A foundation pit edge enclosure structure comprises a column 1 and a plurality of movable baffles 2, the movable baffles 2 are rotatably connected with each other, a connecting strip 3 is fixed to one end of the outermost movable baffle 2, a mounting plate 4 is fixed to the outer side of the connecting strip 3, a connecting mechanism 5 is provided between the column 1 and the mounting plate 4, a guard plate 6 is movably connected to the inner side of the movable baffle 2, and a clamping mechanism 7 is provided between the guard plate 6 and the movable baffle 2; the enclosure structure can connect the column 1 and the movable baffle 2 through the mounting plate 4 in cooperation with the limiting column 53, the guardrail can be quickly disassembled and assembled through the fixing plate 55 in cooperation with the first spring 56, the movable baffle 2 can also be folded to facilitate the reduction of volume for transportation, the guardrails can be spliced ​​at a certain angle through the fixing pin 83 in cooperation with the annular hole 82, which is more in line with the edge of the foundation pit and reduces the use of the guardrail, and the clamping column 73 cooperates with the mounting hole 74 to facilitate the disassembly of the guard plate 6 for cleaning.

[0021] In this embodiment, the connecting mechanism 5 includes a transverse plate 51 and a connecting block 52, a limiting column 53 is fixed on the top of the transverse plate 51, the transverse plate 51 and the connecting block 52 are fixed on both sides of the column 1, a vertical rod 54 is fixed between the transverse plate 51 and the connecting block 52, a fixed plate 55 is slidably connected to the surface of the vertical rod 54, a first spring 56 is sleeved on the surface of the vertical rod 54, the two ends of the first spring 56 are respectively in contact with the connecting block 52 and the fixed plate 55, an angle adjustment mechanism 8 is provided between the transverse plate 51 and the mounting plate 4, the mounting plate 4 cooperates with the limiting column 53 to connect the column 1 and the movable baffle 2, so as to facilitate the disassembly of the column 1 and the movable baffle 2.

[0022] Furthermore, the angle adjustment mechanism 8 includes a through hole 81 and an annular hole 82. The through hole 81 is opened on the surface of the mounting plate 4, and the annular hole 82 is opened on the surface of the cross plate 51. A fixing pin 83 is threadedly connected between the annular hole 82 and the through hole 81. The fixing pin 83 cooperates with the annular hole 82 to make the guardrails be spliced ​​at a certain angle so as to better fit the edge of the foundation pit.

[0023] Furthermore, a bottom plate 9 is fixed to the bottom of the column 1, and insertion holes 10 are provided around the surface of the bottom plate 9, so that the bottom plate 9 is convenient for inserting steel nails and is easy to fix.

[0024] The cam 72 is provided with a locking plate 76 which is fixed to the locking plate 6. The locking plate 76 is provided with a locking means 74 which is fixed to the locking plate 6. The cam 72 is provided with a locking means 74 which is fixed to the locking plate 6. The cam 72 is provided with a locking means 74 which is fixed to the locking plate 6. The cam 72 is provided with a locking means 74 which is fixed to the locking plate 6. The cam 72 is provided with a locking means 74 which is fixed to the locking plate 6.

[0025] It should be noted that a pushing portion 11 is fixed to the outer side of the clamping column 73 , and the pushing portion 11 passes through the slide groove 72 and extends to the outside of the slide groove 72 . The pushing portion 11 can fit the fingers, making it convenient for the staff to push the clamping column 73 .

[0026] Working method: When installing the protective fence, the staff first pulls up the fixing plate 55 by hand, and after lifting the fixing plate 55 to a sufficient height, installs the mounting plate 4 on the side of the column 1 on the limiting column 53. After the installation is completed, the column 1 can be rotated, and the staff can adjust the angle according to the edge of the foundation pit. After adjusting the angle, the through hole 81 and the annular hole 82 are limited by the fixing pin 83, and then the fixing plate 55 is loosened. The fixing plate 55 rebounds under the action of the first spring 56 to limit the limiting column 53. The column 1 and the movable baffle 2 are connected in sequence to lay the guardrail along the foundation pit. Repeat the above operation when disassembling. When disassembling, it is necessary to push the clamping column 73 by hand, and the clamping column 73 will squeeze the second spring 75. When the clamping column 73 is separated from the mounting hole 74, the guard plate 6 can be removed for cleaning.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foundation pit edge retaining structure, comprising a column (1) and a plurality of movable baffles (2), characterized in that: The movable baffles (2) are rotatably connected to each other, a connecting strip (3) is fixed to one end of the outermost movable baffle (2), a mounting plate (4) is fixed to the outer side of the connecting strip (3), a connecting mechanism (5) is provided between the column (1) and the mounting plate (4), a guard plate (6) is movably connected to the inner side of the movable baffle (2), and a clamping mechanism (7) is provided between the guard plate (6) and the movable baffle (2).

2. The foundation pit edge retaining structure according to claim 1, characterized in that: The connecting mechanism (5) comprises a transverse plate (51) and a connecting block (52); a limiting column (53) is fixed on the top of the transverse plate (51); the transverse plate (51) and the connecting block (52) are fixed on both sides of the column (1); a vertical rod (54) is fixed between the transverse plate (51) and the connecting block (52); a fixing plate (55) is slidably connected to the surface of the vertical rod (54); a first spring (56) is sleeved on the surface of the vertical rod (54); two ends of the first spring (56) are respectively in contact with the connecting block (52) and the fixing plate (55); and an angle adjustment mechanism (8) is provided between the transverse plate (51) and the mounting plate (4).

3. The foundation pit edge retaining structure according to claim 2, characterized in that: The angle adjustment mechanism (8) comprises a through hole (81) and an annular hole (82), wherein the through hole (81) is formed on the surface of the mounting plate (4), and the annular hole (82) is formed on the surface of the transverse plate (51), and a fixing pin (83) is threadedly connected between the annular hole (82) and the through hole (81).

4. The foundation pit edge retaining structure according to claim 1, characterized in that: A bottom plate (9) is fixed to the bottom of the column (1), and insertion holes (10) are provided around the surface of the bottom plate (9).

5. The foundation pit edge retaining structure according to claim 1, characterized in that: The clamping mechanism (7) comprises a clamping groove (71) and a sliding groove (72), wherein the clamping groove (71) is provided at the upper and lower sides of the movable baffle (2), and the sliding groove (72) is provided at the two sides of the clamping groove (71), and a clamping column (73) is slidably connected to the inner side of the sliding groove (72), and a clamping block (76) is fixed to the upper and lower sides of the guard plate (6), and mounting holes (74) are provided at both ends of the clamping block (76), and the clamping column (73) is movably connected to the mounting hole (74), and a second spring (75) is provided on the inner side of the sliding groove (72), and the two ends of the second spring (75) are respectively in conflict with the sliding groove (72) and the clamping column (73).

6. The foundation pit edge retaining structure according to claim 5, characterized in that: A pushing portion (11) is fixed to the outer side of the clamping column (73), and the pushing portion (11) passes through the slide groove (72) and extends to the outside of the slide groove (72).

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