Foundation pit supporting device

Abstract

The utility model relates to a foundation pit supporting device, which belongs to the technical field of foundation pit supporting and comprises a first bottom plate, a second bottom plate is arranged on the outer side of the first bottom plate, supporting plates are rotatably connected to the outer side of the first bottom plate and the outer side of the second bottom plate, and supporting plates are fixedly connected to the top of the first bottom plate and the top of the second bottom plate. The foundation pit supporting device has the advantages that when a foundation pit needs to be protected, the foundation pit supporting device can be carried into the foundation pit, the distance between the first bottom plate and the second bottom plate can be adjusted through the matching mechanism according to the size of the foundation pit, then the spine parts at the bottoms of the first bottom plate and the second bottom plate are inserted into the foundation pit, and after the bottom of the device is fixed, the foundation pit can be protected. And by rotating the screws, the corresponding threaded blocks can be driven to slide in the mounting grooves, so that the connecting rods can be driven to rotate, the supporting plates on the two sides can be pushed to be attached to the slope of the foundation pit, adjustment can be conducted according to the inclination angle of the slope of the foundation pit so as to adapt to use of different foundation pits, and the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support device. Background Technique

[0002] Foundation pit support is a retaining, reinforcement and protection measure adopted for the side wall of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] After retrieval, a Chinese patent discloses a foundation pit support device (authorization publication number CN214089889U), which includes a foundation pit side wall and a foundation pit bottom surface perpendicular to the foundation pit side wall. A support baffle longitudinally arranged on the foundation pit side wall is provided on the foundation pit side wall. A detachable upper cross bar is provided at the upper end of the support baffle, and a detachable lower cross bar is provided at the lower end of the support baffle. Through holes are provided in both the upper cross bar and the lower cross bar, and cast-in-place piles are provided in the through holes. Although this patented technology can realize the support effect on the foundation pit through the support baffle, the upper cross bar, the lower cross bar and the cast-in-place piles, the structure is simple.

[0004] However, the above device still has some disadvantages in actual use. The more obvious one is that the structure of the current foundation pit support device is relatively fixed and cannot be adjusted according to the inclination angle of the foundation pit. Moreover, the current foundation pit support device adopts a split design, which makes on-site assembly require more time and the support efficiency is low. Content of the Utility Model

[0005] In view of the problems existing in the prior art that: the structure of the current foundation pit support device is relatively fixed and cannot be adjusted according to the inclination angle of the foundation pit, and the current foundation pit support device adopts a split design, which makes on-site assembly require more time and the support efficiency is low, the main purpose of the utility model is to provide a foundation pit support device.

[0006] The technical solution of the utility model is as follows: a foundation pit support device includes a first bottom plate. A second bottom plate is arranged on the outside of the first bottom plate. Support plates are rotatably connected to the outside of both the first bottom plate and the second bottom plate. Support columns are fixedly connected to the tops of both the first bottom plate and the second bottom plate. Two installation grooves are respectively formed inside the support columns. A screw rod is rotatably connected inside one of the installation grooves, and a fixed rod is fixedly connected inside the other installation groove. A threaded block is threadedly connected to the outside of the screw rod, and a slider is slidably connected to the outside of the fixed rod. Connecting rods are rotatably connected to the outside of both the slider and the threaded block. The ends of the support plate and the connecting rod far away from the slider and the threaded block are rotatably connected respectively.

[0007] By adopting the above technical solution, the threaded block slides in the installation groove, thereby driving the connecting rod to rotate, and then pushing the supporting plates on both sides to fit the foundation pit slope, so as to be adjusted according to the inclination angle of the foundation pit slope.

[0008] As a preferred embodiment, a matching mechanism is arranged between the two support plates. The matching mechanism includes sleeves fixedly connected at equal intervals on the outer side of one of the support plates, and the other support plate is fixedly connected with receiving rods used in cooperation with the sleeves at equal intervals. Limit disks are fixedly connected to one ends of the receiving rods close to the sleeves, and the receiving rods and the limit disks are both slidably connected with the sleeves.

[0009] By adopting the above technical solution, it can not only cooperate with the first bottom plate and the second bottom plate, but also prevent people outside the foundation pit from accidentally falling into the foundation pit, playing a certain protective role.

[0010] As a preferred embodiment, a warning mechanism is arranged at the top of the support plate. The warning mechanism includes reflective strips fixedly connected to the outer sides of the sleeves, and warning signs are fixedly connected to the tops of the support plates.

[0011] By adopting the above technical solution, through the arrangement of the reflective strips and the warning signs, it can play a certain warning role for passers-by.

[0012] As a preferred embodiment, anchor rods are arranged in an array on the outer sides of the support plates, and spike parts are arranged in an array at the bottoms of the first bottom plate and the second bottom plate.

[0013] By adopting the above technical solution, through the use of the anchor rods and the spike parts, the foundation pit support device can be firmly fixed in the foundation pit.

[0014] As a preferred embodiment, a limiting groove is formed inside the second bottom plate, a limiting plate is fixedly connected to one side of the first bottom plate close to the second bottom plate, and the limiting plate is slidably installed inside the limiting groove.

[0015] By adopting the above technical solution, through the cooperation of the limiting groove and the limiting plate, the separation of the first bottom plate and the second bottom plate can be relatively stable.

[0016] As a preferred embodiment, the tops of the screw rods all extend to the outside of the support plate and are fixedly connected with turning handles.

[0017] By adopting the above technical solution, it is convenient to drive the screw rod to rotate.

[0018] Compared with the prior art, the advantages and positive effects of the present utility model are as follows

[0019] 1. In the present utility model, when it is necessary to protect the foundation pit, the foundation pit support device can be transported into the foundation pit, and through the cooperation mechanism, the distance between the first bottom plate and the second bottom plate can be adjusted according to the size of the foundation pit. Subsequently, the spiked parts at the bottoms of the first bottom plate and the second bottom plate are inserted into the foundation pit. After the bottom of the device is fixed, by rotating the screw rod, the corresponding threaded block can be driven to slide in the installation groove, thereby driving the connecting rod to rotate, and further pushing the support plates on both sides to fit with the slope of the foundation pit, so as to adjust according to the inclination angle of the foundation pit slope to adapt to the use of different foundation pits and improve the applicability.

[0020] 2. In the present utility model, when the first bottom plate and the second bottom plate are unfolded, the limit disk will be driven to slide in the sleeve, and then the receiving rod can be extended from the sleeve, which can not only cooperate with the first bottom plate and the second bottom plate, but also prevent people outside the foundation pit from accidentally falling into the foundation pit, playing a certain protective role. Description of the Drawings

[0021] Figure 1 is an overall three-dimensional view of a foundation pit support device provided by the present utility model;

[0022] Figure 2 is a schematic diagram of the internal structure of the first bottom plate and the second bottom plate of a foundation pit support device provided by the present utility model;

[0023] Figure 3 is a schematic diagram of the structure of the cooperation mechanism of a foundation pit support device provided by the present utility model;

[0024] Figure 4 is a foundation pit support device provided by the present utility model Figure 1 magnified view of part A in.

[0025] Legend: 1. First bottom plate; 2. Second bottom plate; 3. Support plate; 4. Anchor rod; 5. Spiked part; 6. Support plate; 7. Sleeve; 8. Reflective strip; 9. Warning sign; 10. Connecting rod; 11. Installation groove; 12. Screw rod; 13. Threaded block; 14. Receiving rod; 15. Limit disk; 16. Limit groove; 17. Limit plate; 18. Fixed rod. Detailed Embodiment

[0026] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0027] Refer to Figures 1-4, a foundation pit support device, including a first bottom plate 1. A second bottom plate 2 is arranged outside the first bottom plate 1. Support plates 3 are rotatably connected to the outsides of both the first bottom plate 1 and the second bottom plate 2. Support plates 6 are fixedly connected to the tops of both the first bottom plate 1 and the second bottom plate 2. Two installation grooves 11 are respectively formed inside the support plates 6. A screw rod 12 is rotatably connected to the inside of one of the installation grooves 11, and a fixed rod 18 is fixedly connected to the inside of the other installation groove 11. A threaded block 13 is threadedly connected to the outside of the screw rod 12. A slider is slidably connected to the outside of the fixed rod 18. Connecting rods 10 are rotatably connected to the outsides of both the slider and the threaded block 13. The ends of the support plate 3 and the connecting rod 10, which are away from the slider and the threaded block 13 respectively, are rotatably connected. When it is necessary to protect the foundation pit, this foundation pit support device can be carried into the foundation pit, and through the cooperation mechanism, the distance between the first bottom plate 1 and the second bottom plate 2 can be adjusted according to the size of the foundation pit. Subsequently, the spiked parts 5 at the bottoms of the first bottom plate 1 and the second bottom plate 2 are inserted into the foundation pit. After the bottom of the device is fixed, by rotating the screw rod 12, the corresponding threaded block 13 can be driven to slide in the installation groove 11, thereby driving the connecting rod 10 to rotate, and further pushing the support plates 3 on both sides to fit with the slope of the foundation pit, so as to adjust according to the inclination angle of the foundation pit slope to adapt to the use of different foundation pits and improve the applicability.

[0028] Refer to Figure 3 , a cooperation mechanism is arranged between the two support plates 6. The cooperation mechanism includes sleeves 7 fixedly connected at equal intervals to the outside of one of the support plates 6, and receiving rods 14 fixedly connected to the other support plate 6 at equal intervals for use in cooperation with the sleeves 7. Limit disks 15 are fixedly connected to the ends of the receiving rods 14 close to the sleeves 7. Both the receiving rods 14 and the limit disks 15 are slidably connected to the sleeves 7. When the first bottom plate 1 and the second bottom plate 2 are unfolded, the limit disks 15 will be driven to slide in the sleeves 7, and then the receiving rods 14 can be extended from the sleeves 7, which can not only cooperate with the first bottom plate 1 and the second bottom plate 2, but also prevent people outside the foundation pit from accidentally falling into the foundation pit, playing a certain protective role.

[0029] Refer to Figure 1 , a warning mechanism is arranged at the top of the support plate 6. The warning mechanism includes reflective strips 8 fixedly connected to the outside of the sleeves 7, and warning signs 9 are fixedly connected to the tops of the support plates 6. Through the arrangement of the reflective strips 8 and the warning signs 9, a certain warning effect can be achieved on passers-by.

[0030] Refer to Figure 1 , anchor rods 4 are arrayed on the outside of the support plates 3, and spiked parts 5 are arrayed at the bottoms of the first bottom plate 1 and the second bottom plate 2. Through the use of the anchor rods 4 and the spiked parts 5, this foundation pit support device can be firmly fixed in the foundation pit.

[0031] Refer to Figure 3, a limiting groove 16 is formed inside the bottom plate two 2, and a limiting plate 17 is fixedly connected to one side of the bottom plate one 1 close to the bottom plate two 2. The limiting plate 17 is slidably installed inside the limiting groove 16. By the combined use of the limiting groove 16 and the limiting plate 17, when the bottom plate one 1 and the bottom plate two 2 are separated, it can be more stable and not prone to shaking.

[0032] Refer to Figure 4 , the top ends of the screw rods 12 all extend to the outside of the support plate 6 and are fixedly connected with turning handles to facilitate driving the screw rods 12 to rotate.

[0033] Working principle: When it is necessary to protect the foundation pit, the foundation pit support device can be carried into the foundation pit, and the distance between the bottom plate one 1 and the bottom plate two 2 can be adjusted according to the size of the foundation pit. Then, the spike parts 5 at the bottoms of the bottom plate one 1 and the bottom plate two 2 are inserted into the foundation pit. When the bottom plate one 1 and the bottom plate two 2 are unfolded, it will drive the limiting disc 15 to slide inside the sleeve 7, and then the receiving rod 14 can be extended from the sleeve 7. It can not only cooperate with the bottom plate one 1 and the bottom plate two 2, but also prevent people outside the foundation pit from accidentally falling into the foundation pit, playing a certain protective role. After the device is fixed at the bottom, by rotating the screw rod 12, the corresponding threaded block 13 can be driven to slide inside the installation groove 11, thereby driving the connecting rod 10 to rotate, and then pushing the support plates 3 on both sides to fit the slope of the foundation pit, so as to be adjusted according to the inclination angle of the foundation pit slope to adapt to the use of different foundation pits and improve the applicability. Through the setting of the reflective strips 8 and the warning signs 9, it can play a certain warning role for passers-by.

[0034] The above is only the preferred embodiment of the present application and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A foundation pit support device, comprising a bottom plate (1), characterized in that: A bottom plate (2) is arranged on the outer side of the bottom plate (1), and a support plate (3) is rotatably connected to the outer sides of the bottom plate (1) and the bottom plate (2), and a support plate (6) is fixedly connected to the tops of the bottom plate (1) and the bottom plate (2), and two mounting grooves (11) are provided inside the support plates (6), one of the mounting grooves (11) is rotatably connected to the inside of a screw rod (12), and the other mounting groove (11) is fixedly connected to the inside of a fixing rod (18), the outer side of the screw rod (12) is threadedly connected to a threaded block (13), the outer side of the fixing rod (18) is slidably connected to a slider, and the outer sides of the slider and the threaded block (13) are rotatably connected to a connecting rod (10), and the support plate (3) is rotatably connected to the connecting rod (10) at one end away from the slider and the threaded block (13), respectively.

2. A foundation pit supporting device according to claim 1, characterized in that: A matching mechanism is provided between the two support plates (6), the matching mechanism comprising a sleeve (7) equidistantly fixedly connected to the outside of one of the support plates (6), a storage rod (14) equidistantly fixedly connected to the other support plate (6) for use with the sleeve (7), one end of the storage rod (14) close to the sleeve (7) is fixedly connected to a limiting plate (15), and the storage rod (14) and the limiting plate (15) are both slidably connected to the sleeve (7).

3. A foundation pit supporting device according to claim 1, characterized in that: A warning mechanism is provided at the top of the support plate (6), the warning mechanism comprising a reflective strip (8) fixedly connected to the outside of the sleeve (7), and a warning sign (9) is fixedly connected to the top of the support plate (6).

4. A foundation pit supporting device according to claim 1, characterized in that: Anchor rods (4) are arranged in an array on the outer sides of the support plates (3), and spike portions (5) are arranged in an array on the bottoms of the first bottom plate (1) and the second bottom plate (2).

5. A foundation pit supporting device according to claim 1, characterized in that: A limiting groove (16) is provided inside the bottom plate 2 (2), and a limiting plate (17) is fixedly connected to a side of the bottom plate 1 (1) close to the bottom plate 2 (2), and the limiting plate (17) is slidably mounted inside the limiting groove (16).

6. A foundation pit supporting device according to claim 1, characterized in that: The top ends of the screw rods (12) extend to the outside of the support plate (6) and are fixedly connected to a turning handle.

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