A combined slope foundation pit supporting device

Abstract

The utility model discloses a combined slope foundation pit supporting device, which belongs to the technical field of foundation pit slope supporting, and comprises a first supporting plate and a second supporting plate. The first supporting plate is connected to the second supporting plate through a connecting assembly. The first supporting plate and the second supporting plate are symmetrically provided with fixing holes on one side, a fixing cylinder is inserted into the fixing hole, a square plate is fixedly installed on the outside of the fixing cylinder, and a movable reinforcing rod is installed inside the fixing cylinder through a driving assembly. By rotating the worm, the reinforcing rods on both sides are driven to move outward, thereby improving the gripping force of the fixing cylinder and the soil in the slope, making it difficult for the fixing cylinder to separate from the slope, and having strong firmness. The second supporting plate can also be inserted into the first supporting plate by pressing the limiting plate inward, and the limiting plate is released to realize the connection between the two, thereby adjusting the range of the foundation pit slope supported. At the same time, the disassembly is convenient and quick, and it is also convenient for transportation.

Description

Technical Field

[0001] The utility model specifically relates to a combined side slope foundation pit supporting device, belonging to the technical field of side slope supporting of foundation pits. Background Art

[0002] During construction, a foundation pit is usually dug below the ground, and then the foundation is built in the foundation pit. Because some foundation pits are deep, in order to avoid the surrounding ground collapse, support devices need to be installed on the slope of the foundation pit to support and protect the surrounding environment during the construction process, thereby improving the construction quality and safety of the construction pit, ensuring the stability of the soil around the foundation pit, and meeting the requirement of sufficient space for construction.

[0003] As disclosed in the publication number: CN219450749U, a slope support device for rock and soil foundation pit construction includes a base plate and a support main plate, the support main plate is rotatably connected to the left side of the base plate, two fixed plates are installed on the top of the base plate, a threaded rod is rotatably connected between the two fixed plates, limit rods are arranged on both sides of the threaded rod, a movable seat is penetrated through the surface of the threaded rod and the surface of the limit rod, a first hinged seat is installed on the top of the movable seat, a second hinged seat is installed on the right side of the support main plate, a support plate is connected between the first hinged seat and the second hinged seat, and support sub-plates are connected on both sides of the support main plate. The utility model can drive the support main plate to rotate around the base plate, so that the inclination angle of the support main plate can be adjusted according to the actual situation of the slope, thereby improving the adaptability.

[0004] When the common slope pit support device is in use, although the pit slope can be supported by the support plate, and the inclination angle of the support plate can be adjusted according to the actual situation of the slope, the existing support device needs to insert the support plate into the soil of the slope by anchor rods during installation. However, the gripping force of the anchor rods and the soil in the slope is small, the anchor rods are easily separated from the slope, and the firmness is poor. In addition, the size of the support plate is fixed, the range of the pit slope that can be supported cannot be adjusted, and transportation is also inconvenient. Utility Model Content

[0005] The utility model aims to provide a combined slope foundation pit supporting device to address the deficiencies of the prior art, so as to achieve the purpose of improving the firmness of the supporting plate and adjusting the range of the supporting plate to support the foundation pit slope.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: a combined slope foundation pit supporting device, comprising a first supporting plate and a second supporting plate, wherein the first supporting plate is connected to the second supporting plate through a connecting assembly, and fixing holes are symmetrically opened on one side of the first supporting plate and the second supporting plate, and a fixing cylinder is inserted into the fixing hole, and a square plate is fixedly installed on the outside of the fixing cylinder, and a movable reinforcement rod is installed inside the fixing cylinder through a driving assembly. When in use, the reinforcement rod is used to improve the firmness of the first supporting plate and the second supporting plate, and the driving assembly is used to move the reinforcement rod, and the square plate is in contact with the first supporting plate and the second supporting plate, and the fixing cylinder can move in the fixing hole, and one end of the fixing cylinder has a conical structure, and the connecting assembly is used to connect the first support and the second support plate.

[0007] Furthermore, in order to facilitate the connection between the first support plate and the second support plate, the connecting assembly includes a limit plate with a square hole at one end, and limit grooves are provided on both sides of one end of the first support plate, and the limit plate is clamped in the limit groove; connecting plates are fixedly installed on both sides of one end of the second support plate, and one end of the connecting plate is clamped in the square hole, and the limit plate can slide in the limit groove; the connecting plate is a square structure, and the connecting plate can move in the square hole.

[0008] Furthermore, in order to enable the limit plate to move automatically, an installation groove is opened at one end of the limit groove, a spring is fixedly installed inside the installation groove, one end of the spring is fixedly connected to the limit plate, and the deformation force generated by the spring is used to change the position of the limit plate.

[0009] Furthermore, in order to fix the connecting plate, a square notch is opened on one side of the connecting plate, a square block is clamped inside the square notch, and the square block is fixedly connected to the limiting plate. The size of the square block matches the size of the square notch, and the square block is used to limit the position of the connecting plate.

[0010] Furthermore, in order to strengthen the connection between the first supporting plate and the second supporting plate, a slot with a clamping block clamped inside is opened at one end of the first supporting plate, and the clamping block is fixedly connected to the second supporting plate.

[0011] Furthermore, in order to prevent the first support plate and the second support plate from detaching from the slope, the driving assembly includes a circular tube, the outer side of the fixed tube is provided with circular holes in a linear array, the circular tube is fixedly installed in the circular holes, the reinforcement rod is inserted in the circular tube, the reinforcement rod can move in the circular tube, and a plurality of circular holes are provided.

[0012] Furthermore, in order to enable the reinforcement rod to move, a lead screw is rotatably installed inside the circular tube, the lead screw is threadedly connected to the reinforcement rod, a worm gear is fixedly installed at the middle position outside the lead screw, and the lead screw is used to change the position of the reinforcement rod.

[0013] Furthermore, in order to enable the screw to rotate, a worm with a handwheel fixedly mounted on one end is rotatably installed inside the fixed cylinder, and the worm is meshed with the worm wheel. The handwheel is used to facilitate the rotation of the screw. The worm and the worm wheel have a self-locking function, and the screw can be fixed when the worm is not rotating.

[0014] The technical effects and advantages of the utility model are as follows: when the utility model is in use, the limit plate is pressed inward, the second support plate is plugged onto the first support plate, and the limit plate is loosened to achieve the connection between the two, thereby adjusting the range of the supported foundation pit slope. It is also convenient for disassembly and transportation. The reinforcement rod can be moved to both sides by rotating the worm, thereby increasing the gripping force of the fixed tube and the soil in the slope, making it difficult for the fixed tube to separate from the slope and having strong firmness. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the connection structure between the first supporting plate and the second supporting plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the first support plate connection structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection structure between the fixing tube and the reinforcement rod of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the drive assembly of the utility model.

[0021] In the figure: 1. first supporting plate; 2. second supporting plate; 3. connecting assembly; 301. limiting plate; 302. square hole; 303. limiting groove; 304. connecting plate; 305. spring; 306. square notch; 307. square block; 4. fixing hole; 5. fixing cylinder; 6. square plate; 7. driving assembly; 701. round tube; 702. lead screw; 703. worm gear; 704. handwheel; 705. worm; 8. reinforcing rod; 9. clamping block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 6 As shown, a combined slope foundation pit supporting device includes a first supporting plate 1 and a second supporting plate 2. The first supporting plate 1 is connected to the second supporting plate 2 through a connecting component 3. A fixing hole 4 is symmetrically opened on one side of the first supporting plate 1 and the second supporting plate 2. A fixing cylinder 5 is inserted into the fixing hole 4. A square plate 6 is fixedly installed on the outside of the fixing cylinder 5. A movable reinforcement rod 8 is installed inside the fixing cylinder 5 through a driving component 7. When in use, when the foundation pit slope is high, the second supporting plate 2 is first connected to the first supporting plate 1 through the connecting component 3, and then the first supporting plate 1 and the second supporting plate 2 are tightly attached to the slope, the fixing cylinder 5 is inserted into the fixing hole 4, so that the square plate 6 is in contact with the first supporting plate 1 and the second supporting plate 2, and then the reinforcement rod 8 is moved out through the driving component 7 to fix the first supporting plate 1 and the second supporting plate 2.

[0024] The connecting component 3 includes a limiting plate 301 with a square hole 302 at one end, limiting grooves 303 are provided on both sides of one end of the first supporting plate 1, and the limiting plate 301 is clamped in the limiting groove 303. A connecting plate 304 is fixedly installed on both sides of one end of the second supporting plate 2, and one end of the connecting plate 304 is clamped in the square hole 302. A mounting groove is provided at one end of the limiting groove 303, and a spring 305 is fixedly installed inside the mounting groove. One end of the spring 305 is fixedly connected to the limiting plate 301, and a square notch 306 is provided on one side of the connecting plate 304. A square block 307 is clamped inside the square notch 306, and the square block 307 is fixedly connected to the limiting plate 301. One end of the plate 1 is provided with a slot with a block 9 internally engaged, and the block 9 is fixedly connected to the second supporting plate 2. When in use, first manually press the limit plate 301 inward to make it move in the limit slot 303. At this time, the spring 305 is compressed, and then the second supporting plate 2 is inserted into the upper end of the first supporting plate 1, so that the block 9 is engaged in the slot, and the connecting plate 304 is inserted into the square hole 302. Then the limit plate 301 is released. Under the action of the deformation force of the spring 305, the limit plate 301 automatically resets, driving the square block 307 to engage in the square notch 306, and fixing the connecting plate 304, thereby fixing the second supporting plate 2 to the first supporting plate 1.

[0025] The driving assembly 7 includes a circular tube 701, and circular holes are opened in a linear array on the outside of the fixed cylinder 5. The circular tube 701 is fixedly installed in the circular hole, and the reinforcement rod 8 is inserted in the circular tube 701. A lead screw 702 is rotatably installed inside the circular tube 701, and the lead screw 702 is threadedly connected to the reinforcement rod 8. A worm gear 703 is fixedly installed at the middle position outside the lead screw 702, and a worm 705 with a hand wheel 704 fixedly installed on one end is rotatably installed inside the fixed cylinder 5, and the worm 705 is meshed with the worm wheel 703. When in use, the hand wheel 704 is manually turned first to drive the worm 705 to rotate, and the worm wheel 703 rotates accordingly, so that the lead screw 702 rotates in a circle, driving the reinforcement rods 8 on both sides to move in the circular tube 701, and fixing the fixed cylinder 5 to prevent it from detaching from the slope.

[0026] When the utility model is in use, when the foundation pit slope is high, first manually press the limit plate 301 inward, then insert the second supporting plate 2 into the upper end of the first supporting plate 1, and then loosen the limit plate 301. Under the action of the deformation force of the spring 305, the square block 307 will be snapped into the square notch 306 to fix the connecting plate 304, so that the second supporting plate 2 is fixedly connected to the first supporting plate 1. The number of the first supporting plates 1 can be adjusted according to the height of the foundation pit slope, thereby adjusting the range of the foundation pit slope supported. At the same time, by pressing The movable limit plate 301 separates the first supporting plate 1 from the second supporting plate 2, which is convenient and quick to disassemble and easy to transport. Then, the first supporting plate 1 and the second supporting plate 2 are pressed tightly against the slope, and the fixing tube 5 is inserted into the fixing hole 4. Then, the hand wheel 704 is manually turned to drive the screw 702 to rotate in a circle, so that the reinforcement rod 8 moves outward to fix the fixing tube 5, thereby improving the gripping force of the fixing tube 5 and the soil in the slope, making it difficult for the fixing tube 5 to separate from the slope and having strong firmness. After use, the reinforcement rod 8 is reset and the fixing tube 5 can be taken out.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A combined slope foundation pit support device, comprising a first support plate (1) and a second support plate (2), characterized in that: The first supporting plate (1) is connected to the second supporting plate (2) via a connecting assembly (3); fixing holes (4) are symmetrically provided on one side of the first supporting plate (1) and the second supporting plate (2); a fixing tube (5) is inserted into the fixing hole (4); a square plate (6) is fixedly mounted on the outside of the fixing tube (5); and a movable reinforcement rod (8) is mounted inside the fixing tube (5) via a driving assembly (7).

2. The combined slope foundation pit supporting device according to claim 1, characterized in that: The connection assembly (3) comprises a limit plate (301) with a square hole (302) at one end, limit grooves (303) are provided on both sides of one end of the first supporting plate (1), the limit plate (301) is clamped in the limit grooves (303), and connecting plates (304) are fixedly installed on both sides of one end of the second supporting plate (2), and one end of the connecting plate (304) is clamped in the square hole (302).

3. The combined slope foundation pit supporting device according to claim 2, characterized in that: A mounting groove is provided at one end of the limiting groove (303), a spring (305) is fixedly installed inside the mounting groove, and one end of the spring (305) is fixedly connected to the limiting plate (301).

4. The combined slope foundation pit supporting device according to claim 3 is characterized in that: A square notch (306) is provided on one side of the connecting plate (304), a square block (307) is clamped inside the square notch (306), and the square block (307) is fixedly connected to the limiting plate (301).

5. The combined slope foundation pit supporting device according to claim 1, characterized in that: One end of the first supporting plate (1) is provided with a slot in which a clamping block (9) is clamped, and the clamping block (9) is fixedly connected to the second supporting plate (2).

6. The combined slope foundation pit supporting device according to claim 1, characterized in that: The driving assembly (7) comprises a circular tube (701), the outer side of the fixing cylinder (5) is provided with circular holes in a linear array, the circular tube (701) is fixedly installed in the circular holes, and the reinforcing rod (8) is inserted into the circular tube (701).

7. The combined slope foundation pit supporting device according to claim 6, characterized in that: A lead screw (702) is rotatably mounted inside the circular tube (701), the lead screw (702) is threadedly connected to the reinforcement rod (8), and a worm gear (703) is fixedly mounted at the middle position outside the lead screw (702).

8. The combined slope foundation pit supporting device according to claim 7, characterized in that: A worm (705) having a hand wheel (704) fixedly mounted on one end is rotatably mounted inside the fixed cylinder (5), and the worm (705) is meshed with the worm wheel (703).

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