Foundation pit supporting device for building engineering construction

Abstract

The utility model discloses a foundation pit supporting device for constructional engineering construction, which relates to the technical field of constructional engineering construction and comprises a bottom plate, a lower baffle is mounted at the top of the bottom plate, and a plurality of threaded grooves are formed in the lower baffle. The foundation pit supporting device for building engineering construction has the beneficial effects that a plurality of groups of threaded grooves in the lower baffle plate are respectively in threaded connection with a plurality of groups of threaded rods at the bottom of the upper baffle plate, a worm in the upper baffle plate is respectively meshed with a plurality of groups of worm wheels, and the plurality of groups of worm wheels are respectively connected with the plurality of groups of threaded rods, so that the plurality of groups of screw rods are in transmission; the telescopic supports which can rotate at the same time, drive the upper baffle to ascend and descend, do not interfere with each other, fix the position of the upper baffle and cooperate with the upper baffle and the bottom plate to be rotationally connected, the first support and the second support can integrally and automatically adjust the length along with the telescopic supports, and the upper baffle is fixed and supported through the locking bolts. And the double-fixing structure is beneficial for improving the stability of the device.

Description

Technical Field

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

[0002] Foundation pit support is an indispensable link in architecture and civil engineering, which is used to protect the safety of workers and ensure the stability of underground structures. Implementing an efficient and reliable foundation pit support plan is the key to ensuring the smooth progress of the project.

[0003] Application No. 202321448187.2 discloses a foundation pit support device for construction engineering construction. By means of a positioning rod and a conical head, the positioning of the support device is achieved. By adjusting the connection degree between the support rod and the positioning groove, the overall height of the support device can be adjusted, so that the support device can support foundation pits of different heights. The connecting rod, the sleeve and the threaded rod form a support structure for the upper baffle, effectively ensuring the overall support strength of the upper baffle. This kind of support device has a simple structure, is convenient to operate, has a high overall strength, has a good support and protection effect on the foundation pit, reduces the probability of loosening and collapse of the foundation pit wall, and is convenient for storage, effectively improving the convenience of use of the support device.

[0004] In the support structure of the above application, the two groups of threaded rods need to rotate simultaneously and consistently to drive the upper baffle to rise and fall, which is difficult to achieve manually and is prone to interference with each other. While affecting the operation, the support stability is poor only through the connecting rod and the threaded rod. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a foundation pit support device for construction engineering construction, which solves the problems put forward in the above background technique.

[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: A foundation pit support device for construction engineering construction, including a bottom plate, on the top of the bottom plate is installed a lower baffle, inside the lower baffle are provided with a plurality of threaded grooves, inside each of the plurality of threaded grooves is threadedly connected a threaded rod, the tops of the plurality of threaded rods are rotatably connected to an upper baffle, on the top of the bottom plate and on one side of the lower baffle are installed two first positioning members, the tops of the two first positioning members are rotatably connected to a first bracket, inside the first bracket is slidably connected a second bracket, one end of the second bracket is rotatably connected to a second positioning member, one side of the second positioning member is connected to the upper baffle, on one side of the first bracket is threadedly connected a locking bolt, one end of the locking bolt extends into the first bracket, inside the upper baffle is provided a limiting groove, inside the limiting groove are rotatably connected a plurality of worm wheels, the plurality of worm wheels are respectively connected to the plurality of threaded rods, inside the limiting groove and on one side of the plurality of worm wheels is rotatably connected a worm, the worm is respectively engaged with the plurality of worm wheels.

[0007] Preferably, on both corresponding sides of the bottom plate are provided two positioning grooves, inside each of the two positioning grooves is threadedly connected a threaded plug.

[0008] Preferably, inside the upper baffle and on one side of the limiting groove is provided a groove, inside the groove are rotatably connected a first bevel gear and a second bevel gear, the first bevel gear and the second bevel gear are engaged, on the top of the upper baffle is rotatably connected a turning handle, the first bevel gear and the second bevel gear are respectively connected to the worm and the turning handle.

[0009] Preferably, outside the plurality of threaded grooves inside the lower baffle are provided sliding grooves, inside the sliding grooves are slidably connected protective covers, one end of each of the plurality of protective covers is connected to the upper baffle, the plurality of protective covers are respectively located outside the plurality of threaded rods.

[0010] Preferably, the structures of the sliding grooves and the protective covers are both annular.

[0011] Preferably, on the top of the bottom plate and between the sliding grooves and the two first brackets are installed two reinforcing ribs, one end of each of the two reinforcing ribs is connected to the lower baffle.

[0012] The utility model provides a foundation pit support device for construction engineering construction, having the following beneficial effects:

[0013] 1. The foundation pit support device for the construction project enables the transmission between multiple lead screws through the threaded connections between multiple threaded grooves in the lower baffle and multiple threaded rods at the bottom of the upper baffle, and the meshing of the worm in the upper baffle with multiple worm wheels respectively connected to multiple threaded rods. The multiple lead screws can rotate simultaneously, driving the upper baffle to rise and fall without interfering with each other, and fixing the position of the upper baffle. With the telescopic bracket rotatably connected between the upper baffle and the bottom plate, the overall lengths of the first bracket and the second bracket can be automatically adjusted and fixed with locking bolts to support the upper baffle. The double-fixed structure is beneficial to increasing the stability of the device.

[0014] 2. The foundation pit support device for the construction project is equipped with multiple protective covers respectively installed at the bottom of the upper baffle and outside multiple threaded rods. These protective covers can slide in multiple chutes of the lower baffle as the threaded rods rotate and move up and down, facilitating the shielding of the threaded rods and preventing dust and debris at the construction site from adhering to the surface of the threaded rods, which may cause jamming. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a front cross-sectional view of the present utility model;

[0017] Figure 3 is of the present utility model Figure 2 enlarged view at A in;

[0018] Figure 4 is a front view of the present utility model;

[0019] Figure 5 is a schematic diagram of a partial structure of the present utility model.

[0020] In the figure: 1. Bottom plate; 2. Lower baffle; 3. Threaded groove; 4. Threaded rod; 5. Upper baffle; 6. First positioning member; 7. First bracket; 8. Second bracket; 9. Second positioning member; 10. Locking bolt; 11. Limit groove; 12. Worm wheel; 13. Worm; 14. Groove; 15. First bevel gear; 16. Second bevel gear; 17. Turning handle; 18. Positioning groove; 19. Threaded plug; 20. Chute; 21. Protective cover; 22. Reinforcing rib. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Please refer to Figures 1 to 5, the present utility model provides a technical solution: a foundation pit support device for building engineering construction, including a bottom plate 1. A lower baffle 2 is installed on the top of the bottom plate 1. A plurality of threaded grooves 3 are opened inside the lower baffle 2. Threaded rods 4 are threadedly connected inside the plurality of threaded grooves 3 respectively. The tops of the plurality of threaded rods 4 are rotatably connected to an upper baffle 5. Through the threaded connection between the threaded rods 4 and the threaded grooves 3, the threaded rods 4 rotate and lift at the same time, facilitating the adjustment of the height of the upper baffle 5 and fixing the height of the upper baffle 5. A limiting groove 11 is opened inside the upper baffle 5. A plurality of worm wheels 12 are rotatably connected inside the limiting groove 11. The plurality of worm wheels 12 are respectively connected to the plurality of threaded rods 4. A worm 13 is rotatably connected inside the limiting groove 11 and on one side of the plurality of worm wheels 12. The worm 13 meshes with the plurality of worm wheels 12 respectively, so that the worm 13 drives the plurality of worm wheels 12 and the plurality of threaded rods 4 to rotate simultaneously and keep consistent. Accordingly, the upper baffle 5 lifts stably and the plurality of threaded rods 4 do not obstruct each other. A groove 14 is opened inside the upper baffle 5 and on one side of the limiting groove 11. A first bevel gear 15 and a second bevel gear 16 are rotatably connected inside the groove 14. The first bevel gear 15 and the second bevel gear 16 mesh with each other. A turning handle 17 is rotatably connected to the top of the upper baffle 5. The first bevel gear 15 and the second bevel gear 16 are respectively connected to the worm 13 and the turning handle 17. Under the action of the first bevel gear 15 and the second bevel gear 16, the turning handle 17 is in transmission with the worm 13, facilitating manually controlling the rotation of the worm 13 from the outside to control the lifting of the upper baffle 5 and not obstructing the fitting between different upper baffles 5. Two first positioning members 6 are installed on the top of the bottom plate 1 and on one side of the lower baffle 2. The tops of the two first positioning members 6 are rotatably connected to first brackets 7 respectively. A second bracket 8 is slidably connected inside the first brackets 7. One end of the second bracket 8 is rotatably connected to a second positioning member 9. One side of the second positioning member 9 is connected to the upper baffle 5. A locking bolt 10 is threadedly connected to one side of the first bracket 7. One end of the locking bolt 10 extends into the first bracket 7, so that the second bracket 8 automatically slides and tilts as the upper baffle 5 lifts, adjusting the overall length and angle of the second bracket 8 and the first bracket 7. Cooperating with the rotation of the locking bolt 10, one end of the locking bolt 10 displaces and presses the second bracket 8 inside the first bracket 7, facilitating fixing the second bracket 8 and providing secondary support for the upper baffle 5 to make it more stable. Sliding grooves 20 are opened outside the plurality of threaded grooves 3 inside the lower baffle 2. Protective covers 21 are slidably connected inside the sliding grooves 20. One ends of the plurality of protective covers 21 are all connected to the upper baffle 5. The plurality of protective covers 21 are respectively located outside the plurality of threaded rods 4. The structures of the sliding grooves 20 and the protective covers 21 are both annular, facilitating surrounding the threaded rods 4 in all directions. While the protective covers 21 slide and unfold as the threaded rods 4 lift, they protect the threaded rods 4, preventing dust and other sundries in the site from adhering to the surface of the threaded rods 4 and causing jamming. Two positioning grooves 18 are opened on the corresponding two sides of the bottom plate 1,Threaded plug posts 19 are screwed inside the two positioning grooves 18, facilitating the fixation and disassembly of the bottom plate 1 to and from the ground. Two reinforcing ribs 22 are installed on the top of the bottom plate 1 and between the lower baffle 2 and the two first brackets 7. One end of each of the two reinforcing ribs 22 is connected to the lower baffle 2, which is beneficial to strengthening the support for the lower baffle 2.

[0023] In summary, for the foundation pit support device in the construction project, during use, after fixing the bottom plate 1 at a suitable position on the site through multiple threaded plug posts 19, rotate the turning handle 17 on the top of the upper baffle 5 to drive the second bevel gear 16 in the driving groove 14 to rotate. Through the meshing of the first bevel gear 15 and the second bevel gear 16, and the connection between the first bevel gear 15 and the worm 13, the worm 13 rotates accordingly. Similarly, under the action of the meshing of the worm 13 and multiple worm wheels 12, and the connection between the multiple worm wheels 12 and multiple threaded rods 4, the multiple threaded rods 4 rotate simultaneously. Since the multiple threaded rods 4 at the bottom of the upper baffle 5 are respectively threadedly connected to the multiple threaded grooves 3 in the lower baffle 2, therefore, while the multiple threaded rods 4 rotate, they move up and down to adjust the height of the upper baffle 5, and the protective covers 21 located outside the multiple threaded rods 4 at the bottom of the upper baffle 5 slide and unfold in the multiple sliding grooves 20 in the lower baffle 2 to protect the threaded rods 4. One end of the first bracket 7 and the second bracket 8 are respectively rotatably connected to the bottom plate 1 and the upper baffle 5 through the first positioning member 6 and the second positioning member 9. The first bracket 7 is slidably connected to the second bracket 8. The first bracket 7 will automatically slide and tilt as the upper baffle 5 moves up. At this time, rotate the locking bolt 10 threadedly connected to the first bracket 7 to displace one end of it and press it against the second bracket 8 inside the first bracket 7, then the second bracket 8 can be fixed to support the upper baffle 5.

[0024] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A foundation pit support device for construction engineering, comprising a bottom plate (1), characterized in that: A lower baffle (2) is installed on the top of the bottom plate (1), a plurality of threaded grooves (3) are provided inside the lower baffle (2), the insides of the plurality of threaded grooves (3) are all threadedly connected to threaded rods (4), the tops of the plurality of threaded rods (4) are rotatably connected to an upper baffle (5), two first positioning members (6) are installed on the top of the bottom plate (1) and located on one side of the lower baffle (2), the tops of the two first positioning members (6) are both rotatably connected to a first bracket (7), the inside of the first bracket (7) is slidably connected to a second bracket (8), and one end of the second bracket (8) is rotatably connected to a second positioning member (9). ), one side of the second positioning member (9) is connected to the upper baffle (5), one side of the first bracket (7) is threadedly connected to a locking bolt (10), one end of the locking bolt (10) extends into the first bracket (7), a limiting groove (11) is provided inside the upper baffle (5), a plurality of worm gears (12) are rotatably connected inside the limiting groove (11), the plurality of worm gears (12) are respectively connected to the plurality of threaded rods (4), a worm (13) is rotatably connected inside the limiting groove (11) and located on one side of the plurality of worm gears (12), the worm (13) is respectively meshed with the plurality of worm gears (12).

2. A foundation pit support device for construction engineering according to claim 1, characterized in that: Two positioning grooves (18) are provided on corresponding sides of the bottom plate (1), and threaded plug posts (19) are threadedly connected inside the two positioning grooves (18).

3. The foundation pit support device for construction engineering according to claim 1, characterized in that: A groove (14) is provided inside the upper baffle plate (5) and on one side of the limiting groove (11); a first bevel gear (15) and a second bevel gear (16) are rotatably connected inside the groove (14); the first bevel gear (15) and the second bevel gear (16) are meshed; a turning handle (17) is rotatably connected at the top of the upper baffle plate (5); the first bevel gear (15) and the second bevel gear (16) are respectively connected to the worm (13) and the turning handle (17).

4. The foundation pit support device for construction engineering according to claim 1, characterized in that: A slide groove (20) is provided inside the lower baffle plate (2) and outside the plurality of thread grooves (3). A protective cover (21) is slidably connected inside the slide groove (20). One end of the plurality of protective covers (21) is connected to the upper baffle plate (5). The plurality of protective covers (21) are respectively located outside the plurality of threaded rods (4).

5. A foundation pit support device for construction engineering according to claim 4, characterized in that: The structures of the slide groove (20) and the protective cover (21) are both annular.

6. The foundation pit support device for construction engineering according to claim 1, characterized in that: Two reinforcing ribs (22) are installed on the top of the bottom plate (1) and between the slide groove (20) and the two first brackets (7), and one end of the two reinforcing ribs (22) is connected to the lower baffle (2).

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