Supporting device for building foundation pit

Abstract

The utility model discloses a supporting device for a building foundation pit, belongs to the technical field of foundation pit supporting, and aims at solving the problem that a supporting device in the prior art is not easy to detach and store. The supporting device comprises a U-shaped bottom plate, a T-shaped connecting groove is formed in one side of the top face of the U-shaped bottom plate, and a T-shaped connecting seat is connected to the inner wall of the T-shaped connecting groove in a sliding mode; a supporting plate is rotationally installed on the top face of the T-shaped connecting base, two symmetrically-distributed fixing plates are fixed to the back face of the supporting plate, and two symmetrically-distributed movable grooves are formed in the two sides of the top face of the U-shaped bottom plate; through the arrangement of the supporting plate, the U-shaped bottom plate, the T-shaped connecting groove, the T-shaped connecting base and other structures, the overall detachability of the supporting device is higher, convenience is provided for carrying and storage of the supporting device, use of workers is facilitated, and through the arrangement of the fixing plate, the abutting groove, the movable rod and the abutting mechanism, the supporting device is convenient to carry and store and high in practicability. And the effect of supporting the inner walls of the foundation pit at different angles is facilitated, and the supporting convenience is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit support, and in particular relates to a supporting device for a building foundation pit. Background Art

[0002] The foundation pit is an earth pit excavated at the foundation design position according to the base elevation and foundation plane dimensions. The foundation pit support is used to support 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 support can support the side walls of the foundation pit to prevent collapse.

[0003] In the prior art, the support work of the foundation pit is generally completed by placing a baffle against the surface of the foundation pit and then using support rods to support the baffle, so as to prevent the collapse of the foundation pit. Some support is performed by using support plates with adjustable angles to improve the convenience of use. However, after the foundation pit support is completed, the support device needs to be removed. At this time, it is inconvenient to store the support device as a whole, and it takes up more space. At the same time, the connectivity between adjacent support devices is poor, so the overall stability is poor.

[0004] Therefore, a support device for a construction foundation pit is needed to solve the problems in the prior art that the support device is difficult to dismantle and store and has poor connectivity. Utility Model Content

[0005] The purpose of the utility model is to provide a supporting device for a building foundation pit, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a support device for a construction foundation pit, comprising a U-shaped bottom plate, a T-shaped connecting groove is provided on one side of the top surface of the U-shaped bottom plate, the inner wall of the T-shaped connecting groove is slidably connected to a T-shaped connecting seat, a support plate is rotatably installed on the top surface of the T-shaped connecting seat, two symmetrically distributed fixed plates are fixed on the back side of the support plate, two symmetrically distributed movable grooves are provided on both sides of the top surface of the U-shaped bottom plate, one side of the inner wall of the two movable grooves is rotatably connected to a supporting sleeve, a movable rod is slidably connected to the inside of the support sleeve, a limiting mechanism is provided on the surface of the support sleeve corresponding to the movable rod, a plurality of abutment grooves are evenly provided on the surface of the fixed plate corresponding to the movable rod, and the end of the movable rod abuts against the inner wall of the abutment groove.

[0007] It should be noted in the scheme that the limiting mechanism includes two fixed frames respectively fixed to the side surfaces of the supporting sleeve, one side of the fixed frame is movably penetrated by a limiting rod, and a plurality of limiting holes are evenly opened on one side of the movable rod, the limiting rod is plugged into the inner wall of the limiting hole, the outer surface of the limiting rod is fixedly sleeved with a stop block, the outer surface of the limiting rod is sleeved with a spring, one end of the spring is fixed to the surface of the stop block, and the other end of the spring is fixed to the inner side of the fixed frame.

[0008] It is further worth mentioning that a pull ring is fixed to one end of the limiting rod away from the supporting sleeve, and a plurality of first anti-slip grooves are evenly arranged on the front surface of the supporting plate.

[0009] It should be further explained that a slot is provided on one side of the support plate, and an inserting plate that matches the slot is fixed on the other side of the support plate.

[0010] As a preferred embodiment, the top surface of the U-shaped bottom plate is movably penetrated by two symmetrically distributed first fixing piles, and the top surface of the U-shaped bottom plate is movably penetrated by two symmetrically distributed second fixing piles.

[0011] As a preferred embodiment, a rectangular groove matching the end of the movable rod is provided on one side of the inner wall of the movable groove, and a plurality of second anti-slip grooves are evenly provided on the bottom surface of the U-shaped bottom plate.

[0012] Compared with the prior art, the support device for a construction foundation pit provided by the present invention has at least the following beneficial effects:

[0013] (1) The arrangement of the support plate, U-shaped bottom plate, T-shaped connecting groove and T-shaped connecting seat makes the overall support device more detachable, thereby providing convenience for the transportation and storage of the support device and facilitating the use of the staff. The arrangement of the fixed plate, the abutment groove, the movable rod and the abutment mechanism facilitates the effect of supporting the inner wall of the foundation pit at different angles, thereby greatly improving the convenience of support.

[0014] (2) When multiple support devices are used to support the foundation pit, the insert plate on one side of the support plate of one support device is inserted into the slot of the support plate of another support device, thereby improving the stability between adjacent support plates and further improving the stability of the foundation pit support, and fixing the U-shaped bottom plate by the first fixed pile and the second fixed pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0017] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0018] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0019] In the figure: 1. U-shaped bottom plate; 2. T-shaped connecting seat; 3. movable groove; 4. support plate; 5. first anti-slip groove; 6. support sleeve; 7. limiting hole; 8. movable rod; 9. rectangular groove; 10. slot; 11. plug-in plate; 12. fixing plate; 13. supporting groove; 14. first fixing pile; 15. second fixing pile; 16. T-shaped connecting groove; 17. second anti-slip groove; 18. fixing frame; 19. block; 20. spring; 21. limiting rod; 22. pull ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides a support device for a construction foundation pit, comprising a U-shaped bottom plate 1, a T-shaped connecting groove 16 is provided on one side of the top surface of the U-shaped bottom plate 1, and a T-shaped connecting seat 2 is slidably connected to the inner wall of the T-shaped connecting groove 16, a support plate 4 is rotatably installed on the top surface of the T-shaped connecting seat 2, and two symmetrically distributed fixed plates 12 are fixed on the back side of the support plate 4, two symmetrically distributed movable grooves 3 are provided on both sides of the top surface of the U-shaped bottom plate 1, one side of the inner wall of the two movable grooves 3 is rotatably connected to a supporting sleeve 6, a movable rod 8 is slidably connected to the inside of the support sleeve 6, and a limiting mechanism is provided on the surface of the support sleeve 6 corresponding to the movable rod 8, and a plurality of abutting grooves 13 are evenly provided on the surface of the fixed plate 12 corresponding to the movable rod 8, and the end of the movable rod 8 abuts against the inner wall of the abutting groove 13.

[0022] Further as Figure 3 and Figure 4 As shown, it is worth mentioning that the limiting mechanism includes two fixed frames 18 respectively fixed to the side surfaces of the supporting sleeve 6. A limiting rod 21 is movably passed through one side of the fixed frame 18. A plurality of limiting holes 7 are evenly opened on one side of the movable rod 8. The limiting rod 21 is plugged into the inner wall of the limiting hole 7. A stopper 19 is fixedly sleeved on the outer surface of the limiting rod 21. A spring 20 is sleeved on the outer surface of the limiting rod 21. One end of the spring 20 is fixed to the surface of the stopper 19, and the other end of the spring 20 is fixed to the inner side of the fixed frame 18.

[0023] Further as Figure 1 and Figure 4 As shown, it is worth mentioning that a pull ring 22 is fixed to the end of the limiting rod 21 away from the supporting sleeve 6, and the pull ring 22 facilitates the movement of the limiting rod 21; a plurality of first anti-slip grooves 5 are evenly arranged on the front of the support plate 4, and the first anti-slip grooves 5 improve the stability of the support plate 4 when it contacts the surface of the foundation pit.

[0024] Further as Figure 2 As shown, it is worth mentioning that a slot 10 is provided on one side of the support plate 4, and an insert plate 11 that matches the slot 10 is fixed on the other side of the support plate 4. When multiple support devices support the foundation pit, the insert plate 11 on one side of the support plate 4 of one support device is inserted into the slot 10 of the support plate 4 of another support device, thereby improving the stability between adjacent support plates 4 and further improving the stability of the foundation pit support.

[0025] Further as Figure 3 As shown, it is worth mentioning that the top surface of the U-shaped bottom plate 1 is movably penetrated by two symmetrically distributed first fixing piles 14, and the top surface of the U-shaped bottom plate 1 is movably penetrated by two symmetrically distributed second fixing piles 15, and the U-shaped bottom plate 1 is fixed by the first fixing piles 14 and the second fixing piles 15.

[0026] Further as Figure 2 and Figure 3 As shown, it is worth mentioning that a rectangular groove 9 is provided on one side of the inner wall of the movable groove 3, which cooperates with the end of the movable rod 8, and a plurality of second anti-slip grooves 17 are evenly provided on the bottom surface of the U-shaped bottom plate 1. The rectangular grooves 9 facilitate support for the end of the movable rod 8, so that the movable rod 8 and the support sleeve 6 are better placed in the movable groove 3; through the provision of the second anti-slip grooves 17, the stability of the U-shaped bottom plate 1 when in contact with the ground is further improved.

[0027] This solution has the following working process: the T-shaped connecting seat 2 on the bottom surface of the support plate 4 is inserted into the T-shaped connecting groove 16 to complete the installation of the support plate 4, and then the support plate 4 is rotated to make it stick to the inner wall of the foundation pit, and then the movable rod 8 in the support sleeve 6 is pulled out, and the end of the movable rod 8 is pressed against the groove 13, and the elastic force of the spring 20 is used to push the stopper 19 and the limiting rod 21 to move, so that the end of the limiting rod 21 is inserted into the limiting hole 7 of the movable rod 8, thereby limiting the movable rod 8, so that the movable rod 8 supports the support plate 4, and finally The U-shaped base plate 1 is fixed by the first fixing pile 14 and the second fixing pile 15. After the support work is completed, the first fixing pile 14 and the second fixing pile 15 are pulled out, and then the U-shaped base plate 1 is moved. By disengaging the limiting rod 21 from the limiting hole 7, the movable rod 8 is received into the supporting sleeve 6 and received into the movable groove 3. Finally, the supporting plate 4 is pulled to separate it from the U-shaped base plate 1 together with the T-shaped connecting seat 2, thereby disassembling the supporting device, making it more convenient to carry the supporting device. The installability of each component makes it more convenient to store and place the device.

[0028] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

[0029] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A supporting device for a construction foundation pit, comprising a U-shaped bottom plate (1), characterized in that: A T-shaped connecting groove (16) is provided on one side of the top surface of the U-shaped bottom plate (1), and a T-shaped connecting seat (2) is slidably connected to the inner wall of the T-shaped connecting groove (16). A support plate (4) is rotatably installed on the top surface of the T-shaped connecting seat (2), and two symmetrically distributed fixed plates (12) are fixed on the back of the support plate (4). Two symmetrically distributed movable grooves (3) are provided on both sides of the top surface of the U-shaped bottom plate (1), and a support sleeve (6) is rotatably connected to one side of the inner wall of the two movable grooves (3). A movable rod (8) is slidably connected inside the support sleeve (6), and a limiting mechanism is provided on the surface of the support sleeve (6) corresponding to the movable rod (8). A plurality of abutting grooves (13) are evenly provided on the surface of the fixed plate (12) corresponding to the movable rod (8), and the end of the movable rod (8) abuts against the inner wall of the abutting groove (13).

2. A supporting device for a construction foundation pit according to claim 1, characterized in that: The limiting mechanism comprises two fixed frames (18) respectively fixed to the side surfaces of the supporting sleeve (6); one side of the fixed frame (18) is movable through a limiting rod (21); a plurality of limiting holes (7) are evenly opened on one side of the movable rod (8); the limiting rod (21) is plugged into the inner wall of the limiting hole (7); a stopper (19) is fixedly sleeved on the outer surface of the limiting rod (21); a spring (20) is sleeved on the outer surface of the limiting rod (21); one end of the spring (20) is fixed to the surface of the stopper (19), and the other end of the spring (20) is fixed to the inner side of the fixed frame (18).

3. A supporting device for a construction foundation pit according to claim 2, characterized in that: A pull ring (22) is fixed to one end of the limiting rod (21) away from the supporting sleeve (6), and a plurality of first anti-slip grooves (5) are evenly arranged on the front surface of the supporting plate (4).

4. A supporting device for a construction foundation pit according to claim 1, characterized in that: A slot (10) is provided on one side of the support plate (4), and an inserting plate (11) that matches the slot (10) is fixed on the other side of the support plate (4).

5. A supporting device for a construction foundation pit according to claim 1, characterized in that: The top surface of the U-shaped bottom plate (1) is movably penetrated by two symmetrically distributed first fixing piles (14), and the top surface of the U-shaped bottom plate (1) is movably penetrated by two symmetrically distributed second fixing piles (15).

6. A supporting device for a construction foundation pit according to claim 1, characterized in that: A rectangular groove (9) matching the end of the movable rod (8) is provided on one side of the inner wall of the movable groove (3), and a plurality of second anti-slip grooves (17) are evenly provided on the bottom surface of the U-shaped bottom plate (1).

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