Foundation pit supporting device for constructional engineering

Abstract

The utility model provides a constructional engineering foundation pit supporting device, which relates to the technical field of foundation pit supporting and comprises a bottom plate, a square groove is arranged at the top end of the bottom plate, a first screw rod is movably inserted into the inner wall of the square groove, a first sliding block is in threaded connection with the outer surface wall of the first screw rod, and four universal wheels are fixedly mounted at the bottom end of the bottom plate. A supporting mechanism is arranged at the top end of the bottom plate, stabilizing mechanisms are arranged on the two sides of the outer wall of the bottom plate, universal wheels are arranged at the bottom of the bottom plate, and therefore the device can be conveniently moved, and when the device moves to a designated position, the stability of the device can be improved through the stabilizing mechanisms; and when the device needs to protect the foundation pit slope, the first screw rod is rotated, the first screw rod drives the supporting mechanism to approach the foundation pit slope until the supporting mechanism is in contact with the foundation pit slope and exerts certain pressure on the foundation pit slope, and at the moment, the foundation pit slope can be supported.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a construction engineering foundation pit support device. 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. Before excavation, the excavation plan should be determined based on geological and hydrological data and the conditions of nearby buildings on site, and waterproofing and drainage work should be done. If the excavation is not deep, the side slope method can be used to make the earth slope stable. The slope size is determined according to relevant construction regulations. If the excavation is deeper and there are buildings nearby, foundation pit support methods can be used to prevent the outer soil layer from collapsing. In order to prevent the side walls of the foundation pit from collapsing, foundation pit support devices are usually used to support the walls.

[0003] Existing foundation pit support devices often cannot be flexibly adjusted according to the angle of the slope, and the foundation pit support devices have poor stability in the foundation pit and are prone to deviation. At the same time, the foundation pit support devices are often difficult to move in the foundation pit, which affects the use of workers. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art that the foundation pit supporting device often cannot be flexibly adjusted according to the angle of the slope and the stability of the foundation pit supporting device in the foundation pit is poor, and proposes a construction engineering foundation pit supporting device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a foundation pit support device for construction engineering, including a base plate, a square groove is opened at the top of the base plate, a first screw is movably inserted into the inner wall of the square groove, the outer wall of the first screw is threadedly connected with a first slider, the first slider is movably inserted into the inner wall of the square groove, a motor is fixedly installed on the outer wall of the base plate, the output shaft of the motor passes through the inner wall of the square groove and is fixedly connected to one end of the outer wall of the first screw, two slide grooves are opened at the top of the base plate, four universal wheels are fixedly installed at the bottom end of the base plate, a supporting mechanism is arranged at the top of the base plate, and stabilizing mechanisms are arranged on both sides of the outer wall of the base plate.

[0006] Preferably, the supporting mechanism comprises a movable plate, two supporting blocks are fixedly mounted on the bottom end of the movable plate, a frame is fixedly mounted on the top end of the movable plate, and a supporting plate is rotatably connected to the inner wall of the frame.

[0007] Preferably, a vertical plate is fixedly installed on the top of the movable plate, a hydraulic rod is fixedly installed on the outer wall of the vertical plate, the output end of the hydraulic rod passes through one side of the outer wall of the vertical plate and is fixedly installed with a first hinge seat, the inner wall of the first hinge seat is rotatably connected with a support rod, a second hinge seat is fixedly installed on one end of the outer wall of the support rod, and the second hinge seat is fixedly connected to the support plate.

[0008] Preferably, the stabilizing mechanism includes a casing, an inner wall of which is movably inserted a second screw, an outer wall of which is threadedly connected to a second slider, the second slider is movably inserted in the inner wall of the casing, and one end of the outer wall of the second slider is fixedly connected to a connecting rod.

[0009] Preferably, a support plate is fixedly installed on the bottom end of the connecting rod, two threaded sleeves are fixedly installed on the top end of the support plate, the inner walls of the two threaded sleeves are threadedly connected with threaded rods, the two threaded rods pass through the outer wall of the support plate, and the top ends of the two threaded rods are fixedly installed with a first rotating plate.

[0010] Preferably, a second rotating plate is movably inserted at the top of the casing, and an output shaft of the second rotating plate passes through the inner wall of the casing and is fixedly connected to one end of the outer wall of the second screw.

[0011] Preferably, the first sliding block is fixedly connected to the movable plate, the two supporting blocks are slidably connected to the bottom ends of the inner walls of the two sliding grooves respectively, and the two housings are fixedly connected to the bottom plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when it is necessary to protect the foundation pit slope, firstly, the hydraulic rod is opened according to the angle of the slope. The hydraulic rod drives the supporting plate to rotate through the supporting rod, so that the supporting plate rotates to a suitable angle. Then the motor is turned on, and the motor drives the first screw to rotate. During the rotation, the first screw drives the moving plate and the supporting plate to approach the foundation pit slope until the supporting plate contacts the foundation pit slope and applies a certain pressure to the foundation pit slope. At this time, the foundation pit slope can be supported. At the same time, the supporting rod can also support the supporting plate, thereby improving the stability of the supporting plate.

[0014] 2. In the utility model, a universal wheel is provided at the bottom of the base plate, so as to facilitate the movement of the device. When the device moves to the specified position, the second rotating plate is rotated, and the second rotating plate drives the second screw to rotate. The second screw drives the support plate to move downward during the rotation process until the support plate contacts the ground, thereby increasing the friction between the device and the ground. Then the first rotating plate is rotated, and the first rotating plate drives the threaded rod to rotate in the threaded sleeve, so that the threaded rod is inserted into the soil, thereby improving the stability of the device and preventing the device from shifting during support. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a foundation pit support device for a construction project proposed by the utility model;

[0016] Figure 2 This is a cross-sectional view of a movable plate in a foundation pit support device for a construction project proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the relevant structure of the bottom plate in a foundation pit support device for a construction project proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of a supporting mechanism in a foundation pit supporting device for a construction project proposed by the utility model;

[0019] Figure 5 The utility model is a schematic diagram of a stabilizing mechanism in a foundation pit supporting device for a construction project.

[0020] Legend: 1. Bottom plate; 2. Square groove; 3. First screw rod; 4. First slider; 5. Motor; 6. Slide groove; 7. Support mechanism; 701. Moving plate; 702. Support block; 703. Frame; 704. Support plate; 705. Vertical plate; 706. Hydraulic rod; 707. First hinge seat; 708. Support rod; 709. Second hinge seat; 8. Stabilizing mechanism; 801. Casing; 802. Second screw rod; 803. Second slider; 804. Connecting rod; 805. Support plate; 806. Threaded sleeve; 807. Threaded insert; 808. First rotating plate; 809. Second rotating plate; 9. Universal wheel. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a foundation pit supporting device for a construction project, including a base plate 1, a square groove 2 is provided at the top of the base plate 1, a first screw rod 3 is movably inserted into the inner wall of the square groove 2, an outer wall of the first screw rod 3 is threadedly connected with a first slider 4, the first slider 4 is movably inserted into the inner wall of the square groove 2, a motor 5 is fixedly installed on the outer wall of the base plate 1, an output shaft of the motor 5 passes through the inner wall of the square groove 2, and is fixedly connected to one end of the outer wall of the first screw rod 3, two slide grooves 6 are provided at the top of the base plate 1, four universal wheels 9 are fixedly installed at the bottom end of the base plate 1, a supporting mechanism 7 is provided at the top of the base plate 1, and stabilizing mechanisms 8 are provided on both sides of the outer wall of the base plate 1.

[0024] The effect achieved by the entire embodiment 1 is that a universal wheel 9 is provided at the bottom of the base plate 1, so as to facilitate the movement of the device. When the device moves to the specified position, the stability of the device can be improved by the stabilizing mechanism 8 to prevent the device from shifting during support. When the device needs to protect the foundation pit slope, the motor 5 is turned on, and the motor 5 drives the first screw 3 to rotate. During the rotation, the first screw 3 drives the supporting mechanism 7 to approach the foundation pit slope until the supporting mechanism 7 contacts the foundation pit slope and applies a certain pressure to the foundation pit slope. At this time, the foundation pit slope can be supported.

[0025] Embodiment 2, as Figure 1-Figure 5 As shown, the support mechanism 7 includes a moving plate 701, two support blocks 702 are fixedly installed at the bottom end of the moving plate 701, a frame 703 is fixedly installed at the top end of the moving plate 701, and a support plate 704 is rotatably connected to the inner wall of the frame 703. A vertical plate 705 is fixedly installed at the top end of the moving plate 701, a hydraulic rod 706 is fixedly installed on the outer wall of the vertical plate 705, the output end of the hydraulic rod 706 penetrates one side of the outer wall of the vertical plate 705, and a first hinge seat 707 is fixedly installed, the inner wall of the first hinge seat 707 is rotatably connected to a support rod 708, one end of the outer wall of the support rod 708 is fixedly installed with a second hinge seat 709, and the second hinge seat 709 is fixedly connected to the support plate 704. The stabilizing mechanism 8 includes a housing 801, a second screw 802 is movably inserted into the inner wall of the housing 801, a second slider 803 is threadedly connected to the outer wall of the second screw 802, the second slider 803 is movably inserted into the inner wall of the housing 801, and a connecting rod 804 is fixedly connected to one end of the outer wall of the second slider 803. A support plate 805 is fixedly installed at the bottom end of the connecting rod 804, two threaded sleeves 806 are fixedly installed at the top of the support plate 805, the inner walls of the two threaded sleeves 806 are both threadedly connected to threaded rods 807, the two threaded rods 807 both penetrate the outer wall of the support plate 805, and the tops of the two threaded rods 807 are fixedly installed with a first rotating plate 808. A second rotating plate 809 is movably inserted into the top of the housing 801, the output shaft of the second rotating plate 809 penetrates the inner wall of the housing 801 and is fixedly connected to one end of the outer wall of the second screw 802. The first sliding block 4 is fixedly connected to the moving plate 701 , the two supporting blocks 702 are slidably connected to the bottom ends of the inner walls of the two sliding grooves 6 respectively, and the two housings 801 are fixedly connected to the bottom plate 1 .

[0026] The effect achieved by the entire embodiment 2 is that when it is necessary to change the angle of the support plate 704, the hydraulic rod 706 is opened according to the angle of the slope, and the hydraulic rod 706 drives the support plate 704 to rotate through the support rod 708, so that the support plate 704 rotates to a suitable angle, and when it is necessary to use the stabilizing mechanism 8 to improve the stability of the device, the second rotating plate 809 is rotated, and the second rotating plate 809 drives the second screw 802 to rotate, and the second screw 802 drives the support plate 805 to move downward during the rotation process until the support plate 805 contacts the ground, thereby increasing the friction between the device and the ground, and then the first rotating plate 808 is rotated, and the first rotating plate 808 drives the threaded rod 807 to rotate in the threaded sleeve 806, so that the threaded rod 807 is inserted into the soil, thereby improving the stability of the device.

[0027] Working principle: A universal wheel 9 is provided at the bottom of the base plate 1 to facilitate the movement of the device. When the device moves to the specified position, the second rotating plate 809 is rotated, and the second rotating plate 809 drives the second screw 802 to rotate. The second screw 802 drives the support plate 805 to move downward during the rotation until the support plate 805 contacts the ground, thereby increasing the friction between the device and the ground. Then the first rotating plate 808 is rotated, and the first rotating plate 808 drives the threaded rod 807 to rotate in the threaded sleeve 806, so that the threaded rod 807 is inserted into the soil, thereby improving the stability of the device and preventing the device from deviating during support. After the device is fixed, it needs to be When protecting the foundation pit slope, first open the hydraulic rod 706 according to the angle of the slope. The hydraulic rod 706 drives the support plate 704 to rotate through the support rod 708, so that the support plate 704 rotates to a suitable angle, and then turn on the motor 5. The motor 5 drives the first screw 3 to rotate. During the rotation, the first screw 3 drives the movable plate 701 and the support plate 704 to approach the foundation pit slope. The support block 702 can play a certain supporting role on the movable plate 701 until the support plate 704 contacts the foundation pit slope and applies a certain pressure to the foundation pit slope. At this time, it can support the foundation pit slope. At the same time, the support rod 708 can also support the support plate 704, thereby improving the stability of the support plate 704.

[0028] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A foundation pit support device for construction engineering, characterized in that: The invention comprises a bottom plate (1), a square groove (2) is provided at the top of the bottom plate (1), a first screw rod (3) is movably inserted into the inner wall of the square groove (2), a first slider (4) is threadedly connected to the outer wall of the first screw rod (3), the first slider (4) is movably inserted into the inner wall of the square groove (2), a motor (5) is fixedly mounted on the outer wall of the bottom plate (1), an output shaft of the motor (5) passes through the inner wall of the square groove (2) and is fixedly connected to one end of the outer wall of the first screw rod (3), two slide grooves (6) are provided at the top of the bottom plate (1), four universal wheels (9) are fixedly mounted at the bottom end of the bottom plate (1), a supporting mechanism (7) is provided at the top of the bottom plate (1), and stabilizing mechanisms (8) are provided on both sides of the outer wall of the bottom plate (1).

2. A construction engineering foundation pit support device according to claim 1, characterized in that: The support mechanism (7) comprises a movable plate (701), two support blocks (702) are fixedly mounted on the bottom end of the movable plate (701), a frame (703) is fixedly mounted on the top end of the movable plate (701), and a support plate (704) is rotatably connected to the inner wall of the frame (703).

3. A construction engineering foundation pit support device according to claim 2, characterized in that: A vertical plate (705) is fixedly mounted on the top of the movable plate (701); a hydraulic rod (706) is fixedly mounted on the outer wall of the vertical plate (705); an output end of the hydraulic rod (706) passes through one side of the outer wall of the vertical plate (705) and is fixedly mounted with a first hinge seat (707); a support rod (708) is rotatably connected to the inner wall of the first hinge seat (707); a second hinge seat (709) is fixedly mounted on one end of the outer wall of the support rod (708); and the second hinge seat (709) is fixedly connected to the supporting plate (704).

4. A construction engineering foundation pit support device according to claim 2, characterized in that: The stabilizing mechanism (8) comprises a casing (801), a second screw rod (802) being movably inserted into the inner wall of the casing (801), a second slider (803) being threadedly connected to the outer wall of the second screw rod (802), the second slider (803) being movably inserted into the inner wall of the casing (801), and a connecting rod (804) being fixedly connected to one end of the outer wall of the second slider (803).

5. A construction engineering foundation pit supporting device according to claim 4, characterized in that: A support plate (805) is fixedly mounted on the bottom end of the connecting rod (804), two threaded sleeves (806) are fixedly mounted on the top end of the support plate (805), the inner walls of the two threaded sleeves (806) are threadedly connected with threaded plug rods (807), the two threaded plug rods (807) penetrate the outer wall of the support plate (805), and the top ends of the two threaded plug rods (807) are fixedly mounted with a first rotating plate (808).

6. A construction engineering foundation pit support device according to claim 4, characterized in that: A second rotating plate (809) is movably inserted at the top of the casing (801), and an output shaft of the second rotating plate (809) passes through the inner wall of the casing (801) and is fixedly connected to one end of the outer wall of the second screw rod (802).

7. A construction engineering foundation pit supporting device according to claim 4, characterized in that: The first sliding block (4) is fixedly connected to the movable plate (701), the two supporting blocks (702) are slidably connected to the bottom ends of the inner walls of the two sliding grooves (6) respectively, and the two housings (801) are fixedly connected to the bottom plate (1).

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