Foundation pit support with auxiliary reinforcing structure

Abstract

The foundation pit support with the auxiliary reinforcing structure comprises a bottom plate, a protective plate is hinged to the upper end face of the bottom plate and located on one side, supports are fixedly arranged on the inner wall of the protective plate and located on the two sides, sleeve rods are hinged to the interiors of the supports, rotating sleeves are arranged at the other ends of the sleeve rods, and the rotating sleeves are connected with the protective plate. The rotating sleeve is rotatably mounted on the sleeve rod through a bearing, an adjusting nut is fixedly arranged on the outer wall of the rotating sleeve, mounting frames are arranged on the upper end face of the bottom plate and located on the two sides, threaded rods are hinged to the interiors of the mounting frames, the threaded rods are slidably mounted on the sleeve rod, and the adjusting nut is in threaded connection with the threaded rods. And by arranging the sleeve rod and the threaded rod, the bottom of the protection plate can be supported, so that the supporting force of the protection plate is increased to prevent the foundation pit from collapsing, the inclination angle of the protection plate can be flexibly adjusted by rotating the adjusting nut, and convenience and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, and specifically to a foundation pit support provided with an auxiliary reinforcement structure. Background Art

[0002] Foundation pit support is a protective measure adopted to support or reinforce the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. The foundation pit project mainly includes the design and construction of the foundation pit support system and earth excavation. It is a highly comprehensive system project. The traditional foundation pit support structure is relatively simple. Generally, the guard plate is fitted with the inner wall of the foundation pit, and then connected to the ground through the reinforcement plate at the bottom to achieve the support effect. However, this support structure has poor supporting capacity, which makes the inner wall of the foundation pit prone to collapse, and the support angle cannot be flexibly adjusted, resulting in the inability to use foundation pits with different inclination angles. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a foundation pit support provided with an auxiliary reinforcement structure to solve the above technical problems mentioned in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit support with an auxiliary reinforcement structure, comprising a base plate, a guard plate is hingedly provided on the upper end surface of the base plate and on one side, brackets are fixedly provided on the inner wall of the guard plate and on both sides, a sleeve rod is hingedly provided inside the bracket, a rotating sleeve is provided at the other end of the sleeve rod, the rotating sleeve is rotatably installed with the sleeve rod through a bearing, an adjusting nut is fixedly provided on the outer wall of the rotating sleeve, a mounting frame is provided on the upper end surface of the base plate and on both sides, a threaded rod is hingedly provided inside the mounting frame, the threaded rod is slidably installed with the sleeve rod, the adjusting nut is threadedly connected to the threaded rod, and an extension device is provided at the bottom of the base plate, and the extension device includes an extension plate.

[0005] The utility model is further configured such that sliders are provided on both sides of the extension plate, a T-shaped slot is correspondingly provided on the bottom of the base plate, the extension plate is located inside the T-shaped slot, and the slider is slidably installed with the T-shaped slot, so as to increase the ground contact area of ​​the base plate.

[0006] The utility model is further configured such that a fixed block is provided on the upper end surface of the extension plate, an adjusting rod is rotatably provided inside the fixed block, a vertical plate is fixedly provided on the upper end surface of the base plate, a threaded sleeve is provided inside the vertical plate, the adjusting rod is threadedly mounted on the threaded sleeve, and a first hand wheel is fixedly provided on the other end to facilitate the movement of the extension plate.

[0007] The utility model is further configured such that an extension plate is slidably provided on the outer wall of the guard plate, a rack is fixedly provided on the inner wall of the extension plate and in the middle position, and corresponding strip holes are opened on the guard plate, and the rack is located inside the strip holes, so as to increase the supporting area of ​​the guard plate.

[0008] The utility model is further configured that a support frame is provided on the inner wall of the guard plate, a rotating shaft is rotatably provided inside the support frame, a gear is provided on the rotating shaft, and the gear is meshed and installed with a rack to facilitate the up and down movement of the extension plate.

[0009] The utility model is further configured that a second hand wheel is provided at one end of the rotating shaft, and a handle is provided on the second hand wheel to facilitate the rotation of the rotating shaft.

[0010] The utility model is further configured that the lower end surfaces of the bottom plate and the extension plate are fixedly provided with barbs, so as to increase the gripping ability of the bottom plate and the extension plate.

[0011] The utility model is further configured that ear plates are fixedly provided on both side surfaces of the bottom plate, so as to facilitate fixing the base and the ground.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By setting the bottom plate, guard plate, bracket, sleeve rod, rotating sleeve, adjusting nut, mounting frame and threaded rod, the bottom of the guard plate can be supported to strengthen the supporting capacity of the guard plate to prevent the foundation pit from collapsing. The user can also flexibly adjust the inclination angle of the guard plate by turning the adjusting nut, which is convenient for use.

[0014] 2. By setting up the extension plate, slider, T-slot, fixed block, adjustment rod, vertical plate, threaded sleeve and first hand wheel, the user can rotate the adjustment rod by turning the first hand wheel. At this time, the adjustment rod will drive the extension plate to move through the action of the threaded sleeve to increase the ground contact area of ​​the bottom plate and enhance the stability of the device.

[0015] 3. By setting up an extension plate, a rack, a bar hole, a support frame, a rotating shaft, a gear and a second hand wheel, the user can rotate the gear by turning the second hand wheel. At this time, the gear will drive the extension plate to move upward through the rack to increase the supporting area of ​​the guard plate for the foundation pit, thereby facilitating the protection of the inner wall of the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of a foundation pit support provided with an auxiliary reinforcement structure when not in use;

[0017] Figure 2 It is an exploded view of the installation of the extension plate, the adjustment rod and the first hand wheel on the bottom plate;

[0018] Figure 3 A schematic diagram of the installation positions of the strip holes on the guard plate, the support frame, the rotating shaft, the gear, the second hand wheel and the handle;

[0019] Figure 4 This is an exploded view of the installation of the rotating sleeve and the adjusting nut on the sleeve rod;

[0020] Figure 5 Schematic diagram of the position of the slider, fixed block and barb on the extension plate.

[0021] In the figure: 1. bottom plate; 2. guard plate; 3. bracket; 4. sleeve rod; 5. rotating sleeve; 6. adjusting nut; 7. mounting frame; 8. threaded rod; 9. extension plate; 10. slider; 11. T-slot; 12. fixing block; 13. adjusting rod; 14. vertical plate; 15. threaded sleeve; 16. first hand wheel; 17. extension plate; 18. rack; 19. strip hole; 20. support frame; 21. rotating shaft; 22. gear; 23. second hand wheel; 24. handle; 25. barb; 26. ear plate. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0024] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0025] See also Figure 1-5A foundation pit support with an auxiliary reinforcement structure includes a base plate 1, a guard plate 2 is hingedly provided on the upper end surface of the base plate 1 and on one side, brackets 3 are fixedly provided on the inner wall of the guard plate 2 and on both sides, sleeve rods 4 are hingedly provided inside the brackets 3, and a rotating sleeve 5 is provided at the other end of the sleeve rod 4. The rotating sleeve 5 is rotatably installed with the sleeve rod 4 through a bearing, and an adjusting nut 6 is fixedly provided on the outer wall of the rotating sleeve 5. Mounting frames 7 are provided on the upper end surface of the base plate 1 and on both sides, and threaded rods 8 are hingedly provided inside the mounting frames 7. The threaded rods 8 are slidably installed with the sleeve rods 4, and the adjusting nuts 6 are threadedly connected with the threaded rods 8. An extension device is provided at the bottom of the base plate 1, and the extension device includes an extension plate 9.

[0026] In this embodiment, sliders 10 are provided on both sides of the extension plate 9, a T-slot 11 is correspondingly provided at the bottom of the base plate 1, the extension plate 9 is located inside the T-slot 11, and the slider 10 is slidably installed with the T-slot 11, a fixing block 12 is provided on the upper end surface of the extension plate 9, an adjusting rod 13 is rotatably provided inside the fixing block 12, a vertical plate 14 is fixedly provided on the upper end surface of the base plate 1, a threaded sleeve 15 is provided inside the vertical plate 14, the adjusting rod 13 is threadedly installed with the threaded sleeve 15, and a first hand wheel 16 is fixedly provided at the other end.

[0027] More specifically, the user can flexibly adjust the inclination angle of the guard plate 2 by turning the adjusting nut 6, which is convenient for use, and by setting the sleeve rod 4 and the threaded rod 8, the bottom of the guard plate 2 can be supported to strengthen the supporting capacity of the guard plate 2 to prevent the foundation pit from collapsing. The user can also rotate the first hand wheel 16 to rotate the adjusting rod 13. At this time, the adjusting rod 13 will drive the extension plate 9 to move through the action of the threaded sleeve 15 to increase the ground contact area of ​​the base plate 1 and enhance the stability of the device.

[0028] See also Figure 1 and Figure 3 As an implementation method for increasing the supporting area of ​​the guard plate 2: an extension plate 17 is slidably provided on the outer wall of the guard plate 2, a rack 18 is fixedly provided on the inner wall of the extension plate 17 and located in the middle position, a strip hole 19 is correspondingly opened on the guard plate 2, the rack 18 is located inside the strip hole 19, a support frame 20 is provided on the inner wall of the guard plate 2, a rotating shaft 21 is rotatably provided inside the support frame 20, a gear 22 is provided on the rotating shaft 21, the gear 22 is meshed with the rack 18, a second hand wheel 23 is provided at one end of the rotating shaft 21, and a handle 24 is provided on the second hand wheel 23.

[0029] Specifically, the user can rotate the second hand wheel 23 to rotate the gear 22, and the gear 22 will then drive the extension plate 17 to move upward through the rack 18 to increase the supporting area of ​​the guard plate 2 for the foundation pit.

[0030] Please refer to Figure 1As a further implementation method for increasing the stability of the device: barbs 25 are fixedly provided on the lower end surfaces of the bottom plate 1 and the extension plate 9, and ear plates 26 are fixedly provided on both side surfaces of the bottom plate 1.

[0031] Specifically, the gripping ability of the bottom plate 1 and the extension plate 9 can be increased to prevent slipping.

[0032] In summary: the user can flexibly adjust the inclination angle of the guard plate 2 by turning the adjusting nut 6, which is convenient for use, and by setting the sleeve rod 4 and the threaded rod 8, the bottom of the guard plate 2 can be supported to strengthen the supporting ability of the guard plate 2 to prevent the collapse of the foundation pit. The user can also rotate the first hand wheel 16 to rotate the adjusting rod 13. At this time, the adjusting rod 13 will drive the extension plate 9 to move through the action of the threaded sleeve 15 to increase the ground contact area of ​​the base plate 1 and enhance the stability of the device. The gear 22 can also be rotated by turning the second hand wheel 23. At this time, the gear 22 will drive the extension plate 17 to move upward through the rack 18 to increase the supporting area of ​​the guard plate 2 for the foundation pit, which is convenient for protecting the inner wall of the foundation pit.

[0033] When the inclination angle of the guard plate 2 needs to be adjusted, the user can flexibly adjust the inclination angle of the guard plate 2 by turning the adjusting nut 6, which is convenient for use in different foundation pits, and by setting the sleeve rod 4 and the threaded rod 8, the bottom of the guard plate 2 can be supported to strengthen the supporting capacity of the guard plate 2 to prevent the foundation pit from collapsing.

[0034] When connected to the ground, the user can rotate the first hand wheel 16 to rotate the adjusting rod 13. At this time, the adjusting rod 13 will drive the extension plate 9 to move through the action of the threaded sleeve 15 to increase the ground contact area of ​​the base plate 1 and enhance the stability of the device.

[0035] When the supporting area needs to be adjusted, the gear 22 can be rotated by turning the second hand wheel 23. At this time, the gear 22 will drive the extension plate 17 to move upward through the rack 18 to increase the supporting area of ​​the guard plate 2 for the foundation pit, thereby facilitating the protection of the inner wall of the foundation pit.

[0036] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A foundation pit support provided with an auxiliary reinforcement structure, comprising a bottom plate (1), characterized in that: A guard plate (2) is hingedly provided on one side of the upper end surface of the base plate (1), a bracket (3) is fixedly provided on the inner wall of the guard plate (2) and on both sides, a sleeve rod (4) is hingedly provided inside the bracket (3), a rotating sleeve (5) is provided at the other end of the sleeve rod (4), the rotating sleeve (5) is rotatably mounted with the sleeve rod (4) through a bearing, an adjusting nut (6) is fixedly provided on the outer wall of the rotating sleeve (5), a mounting frame (7) is hingedly provided on the upper end surface of the base plate (1) and on both sides, a threaded rod (8) is hingedly provided inside the mounting frame (7), the threaded rod (8) is slidably mounted with the sleeve rod (4), the adjusting nut (6) is threadedly connected with the threaded rod (8), and an extension device is provided at the bottom of the base plate (1), the extension device comprises an extension plate (9).

2. The foundation pit support with auxiliary reinforcement structure according to claim 1 is characterized in that: Slide blocks (10) are provided on both sides of the extension plate (9), a T-shaped slot (11) is correspondingly provided at the bottom of the base plate (1), the extension plate (9) is located inside the T-shaped slot (11), and the slide blocks (10) are slidably mounted on the T-shaped slot (11).

3. The foundation pit support with auxiliary reinforcement structure according to claim 2 is characterized in that: The upper end surface of the extension plate (9) is provided with a fixed block (12), an adjusting rod (13) is rotatably provided inside the fixed block (12), a vertical plate (14) is fixedly provided on the upper end surface of the base plate (1), a threaded sleeve (15) is provided inside the vertical plate (14), the adjusting rod (13) is threadedly mounted on the threaded sleeve (15), and a first hand wheel (16) is fixedly provided at the other end.

4. The foundation pit support with auxiliary reinforcement structure according to claim 1 is characterized in that: An extension plate (17) is slidably provided on the outer wall of the guard plate (2), a rack (18) is fixedly provided on the inner wall of the extension plate (17) and located in the middle, a strip hole (19) is correspondingly opened on the guard plate (2), and the rack (18) is located inside the strip hole (19).

5. The foundation pit support with auxiliary reinforcement structure according to claim 4 is characterized in that: A support frame (20) is provided on the inner wall of the guard plate (2), a rotating shaft (21) is rotatably provided inside the support frame (20), a gear (22) is provided on the rotating shaft (21), and the gear (22) is meshed and installed with the rack (18).

6. The foundation pit support with auxiliary reinforcement structure according to claim 5 is characterized in that: A second hand wheel (23) is provided at one end of the rotating shaft (21), and a handle (24) is provided on the second hand wheel (23).

7. The foundation pit support with auxiliary reinforcement structure according to claim 1 is characterized in that: The lower end surfaces of the bottom plate (1) and the extension plate (9) are both fixedly provided with barbs (25).

8. The foundation pit support with auxiliary reinforcement structure according to claim 1 is characterized in that: Ear plates (26) are fixedly provided on both side surfaces of the bottom plate (1).

Images