A double-row pile foundation pit support device

Abstract

The utility model relates to the technical field of foundation pit support, and discloses a double-row pile foundation pit support device, including a fixed box, the fixed box is connected to a connecting block through a pushing assembly, the connecting block is connected to a supporting plate through a fixing assembly, the outer walls of the connecting blocks on both sides are fixedly connected to fixing columns, the inner walls of the fixing columns are slidably connected to a moving plate, the inner walls of the moving plates are fixedly connected to buttons, a first spring is arranged between the moving plate and the fixed column, and the fixing assembly includes a fixed block located at the inner wall of the connecting block and slidably connected. In the utility model, the limit plate is pushed into the inner wall of the fixed block by a button to release the fixation, and when the button is released, the first spring will bounce up the moving plate, and the moving plate drives the button to reset, and the second spring will bounce up the limit plate, and the limit plate drives the plug-in block to be inserted into the interior of the connecting block for fixation, thereby facilitating the disassembly and replacement of the supporting plate, greatly improving the work efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a double-row pile foundation pit support device. Background Art

[0002] Foundation pit support refers to the support measures taken to prevent soil collapse, protect surrounding buildings and ensure construction safety during underground excavation or digging projects. Foundation pit support usually includes two types: structural support and non-structural support. Double-row support devices are required for foundation pit support.

[0003] After searching, a foundation pit support device with announcement number CN220503920U includes a box body, a driving member, a pair of moving blocks, four support plates, four pairs of connecting rods and four telescopic rods. The driving member is fixedly arranged at the center position of the box body. The driving member has two moving ends and is respectively connected with a pair of moving blocks. Slides are respectively opened on both sides of the center of the four side walls of the box body in the vertical direction, and the four pairs of connecting rods are respectively penetrated through the slides. The utility model drives the upper and lower moving blocks away from each other through the driving member in the box body, so that the connecting rods hinged around the moving blocks tend to be horizontal, so that the support plates around the outside of the box body expand outward, so as to realize the support protection around the small square opening foundation pit, and the structure is simple and easy to use:

[0004] Based on the above patent, the upper and lower moving blocks are driven away by the driving member in the box, so that the connecting rods hinged around the moving blocks tend to be horizontal, so that the support plates around the outside of the box expand outward, thereby realizing support protection around the smaller square opening foundation pit. The structure is simple and easy to use. However, if the support plate is damaged or needs to be replaced during use, the support plate needs to be disassembled, and the device is not convenient for disassembly and replacement of the support plate, thereby reducing work efficiency. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a double-row pile foundation pit supporting device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double-row pile foundation pit support device, including a fixed box, the fixed box is connected to a connecting block through a pushing assembly, the connecting block is connected to a supporting plate through a fixing assembly, the outer walls of the connecting blocks on both sides are fixedly connected to fixed columns, the inner walls of the fixed columns are slidably connected to movable plates, the inner walls of the movable plates are fixedly connected to buttons, and a first spring is arranged between the movable plate and the fixed column.

[0007] As a further description of the above technical solution:

[0008] The fixing assembly includes a fixing block slidably connected to the inner wall of the connecting block, the inner walls of the fixing blocks on both sides are slidably connected to limiting plates, the opposite ends of the limiting plates are fixedly connected to plug blocks, a second spring is arranged between the limiting plate and the fixing block, and the opposite ends of the supporting plates are fixedly connected to the opposite ends of the fixing blocks.

[0009] As a further description of the above technical solution:

[0010] The pushing assembly includes a motor fixedly connected to the top of the fixed box, the driving end of the motor passes through the fixed box and is fixedly connected to a bidirectional threaded rod, the outer walls of the bidirectional threaded rod are threadedly connected to sliders on both sides, the opposite ends of the sliders are rotatably connected to rotating rods, the opposite ends of the connecting blocks are rotatably connected to the opposite ends of the sliders, the bottom ends of the bidirectional threaded rods are rotatably connected to the inner wall of the fixed box, and the outer walls of the sliders are slidably connected to the inner wall of the fixed box.

[0011] As a further description of the above technical solution:

[0012] One end of the first spring is connected to the movable plate, and the other end of the first spring is connected to the inner wall of the fixed column.

[0013] As a further description of the above technical solution:

[0014] The outer walls of the buttons are slidably connected to the inner walls of the fixing columns.

[0015] As a further description of the above technical solution:

[0016] One end of the second spring is connected to the limiting plate, and the other end of the second spring is connected to the inner wall of the fixing block.

[0017] As a further description of the above technical solution:

[0018] The outer walls of the limiting plates are slidably connected to the inner walls of the fixing blocks.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, firstly, the limit plate is pushed into the inner wall of the fixed block by a button to release the fixation, and then the first spring will bounce the movable plate by releasing the button, and the movable plate drives the button to reset, and the second spring will bounce the limit plate, and the limit plate drives the insert block to be inserted into the interior of the connecting block for fixation, thereby facilitating the disassembly and replacement of the support plate, greatly improving the work efficiency.

[0021] 2. In the utility model, a motor drives a bidirectional threaded rod, the bidirectional threaded rod drives a slider, the slider drives a rotating rod, the rotating rod drives a connecting block, the connecting block drives a supporting plate, and the supporting plate supports the foundation pit, so that the distance between the foundation pit supports can be adjusted quickly and flexibly, avoiding looseness between the supporting devices, and improving the convenience and stability of the device when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional diagram of a double-row pile foundation pit support device proposed by the utility model;

[0023] Figure 2 A schematic diagram of the cross-sectional structure of a fixing box of a double-row pile foundation pit support device proposed by the utility model;

[0024] Figure 3 A schematic diagram of the cross-sectional structure of a connecting block of a double-row pile foundation pit support device proposed by the utility model;

[0025] Figure 4 A schematic diagram of the cross-sectional structure of a fixed block of a double-row pile foundation pit support device proposed by the utility model;

[0026] Figure 5 The utility model provides a schematic diagram of the cross-sectional structure of the fixed columns of a double-row pile foundation pit support device.

[0027] Legend:

[0028] 1. Fixed box; 2. Motor; 3. Bidirectional threaded rod; 4. Slider; 5. Rotating rod; 6. Connecting block; 7. Fixed column; 8. Moving plate; 9. Button; 10. First spring; 11. Fixed block; 12. Second spring; 13. Limiting plate; 14. Insert block; 15. Support plate. DETAILED DESCRIPTION

[0029] 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.

[0030] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Reference Figure 1-5 , the utility model provides an embodiment: a double-row pile foundation pit support device, including a fixed box 1, the fixed box 1 is connected with a connecting block 6 through a pushing assembly, the connecting block 6 is connected with a supporting plate 15 through a fixed assembly, the outer walls of the connecting blocks 6 on both sides are fixedly connected with fixed columns 7, the inner walls of the fixed columns 7 are slidably connected with moving plates 8, the inner walls of the moving plates 8 are fixedly connected with buttons 9, a first spring 10 is arranged between the moving plate 8 and the fixed column 7, the fixing assembly includes a fixed block 11 slidably connected to the inner wall of the connecting block 6, the inner walls of the fixed blocks 11 on both sides are slidably connected to the limiting plate 13, the opposite ends of the limiting plate 13 are fixedly connected with the insert block 14, a second spring 12 is arranged between the limiting plate 13 and the fixed block 11, and the opposite ends of the supporting plate 15 are fixedly connected to the opposite ends of the fixed block 11.

[0032] Specifically, when disassembly is required, the button 9 is pressed to push the limit plate 13 into the inner wall of the fixed block 11 and then release the fixation. When installing, the button 9 is released. At this time, the first spring 10 will bounce up the movable plate 8. When the movable plate 8 is bounced up, the button 9 is driven to reset. When the fixed block 11 is inserted into the interior of the connecting block 6, the second spring 12 will bounce up the limit plate 13. When the limit plate 13 is bounced up, the insertion block 14 is driven to be inserted into the interior of the connecting block 6 for fixation, thereby facilitating the disassembly and replacement of the support plate 15, greatly improving work efficiency.

[0033] The pushing assembly includes a motor 2 fixedly connected to the top of the fixed box 1, the driving end of the motor 2 passes through the fixed box 1 and is fixedly connected to a bidirectional threaded rod 3, the outer walls of the bidirectional threaded rod 3 are threadedly connected to sliders 4 on both sides, the opposite ends of the sliders 4 are rotatably connected to the rotating rods 5, the opposite ends of the connecting blocks 6 are rotatably connected to the opposite ends of the sliders 4, the bottom ends of the bidirectional threaded rods 3 are rotatably connected to the inner wall of the fixed box 1, the outer walls of the sliders 4 are slidably connected to the inner wall of the fixed box 1, one end of the first spring 10 is connected to the movable plate 8, the other end of the first spring 10 is connected to the inner wall of the fixed column 7, the outer wall of the button 9 is slidably connected to the inner wall of the fixed column 7, one end of the second spring 12 is connected to the limit plate 13, the other end of the second spring 12 is connected to the inner wall of the fixed block 11, and the outer wall of the limit plate 13 is slidably connected to the inner wall of the fixed block 11.

[0034] Specifically, when it is needed, the driving end of the motor 2 is rotated to drive the bidirectional threaded rod 3 to rotate, and when the bidirectional threaded rod 3 rotates, the slider 4 is driven to move, and when the slider 4 moves, the rotating rod 5 is driven to move, and when the rotating rod 5 moves, the connecting block 6 is driven to move, and when the connecting block 6 moves, the supporting plate 15 is driven to move. When the supporting plate 15 moves, the foundation pit is supported, so that the distance between the foundation pit supports can be quickly and flexibly adjusted, avoiding the looseness of the supporting devices, and improving the convenience and stability of the device when used.

[0035] Working principle: when disassembly is required, the button 9 is pressed to push the limit plate 13 into the inner wall of the fixed block 11 and then release the fixation. When installing, the button 9 is released. At this time, the first spring 10 will bounce up the movable plate 8. When the movable plate 8 is bounced up, the button 9 is driven to reset. When the fixed block 11 is inserted into the interior of the connecting block 6, the second spring 12 will bounce up the limit plate 13. When the limit plate 13 is bounced up, the insert block 14 is driven to be stuck into the interior of the connecting block 6 for fixation, thereby facilitating the disassembly and replacement of the support plate 15, greatly improving the work efficiency. When the driving end of the motor 2 rotates, the bidirectional threaded rod 3 is driven to rotate, and when the bidirectional threaded rod 3 rotates, the slider 4 is driven to move, and when the slider 4 moves, the rotating rod 5 is driven to move, and when the rotating rod 5 moves, the connecting block 6 is driven to move, and when the connecting block 6 moves, the supporting plate 15 is driven to move. When the supporting plate 15 moves, the foundation pit is supported, so that the distance between the foundation pit supports can be quickly and flexibly adjusted, which avoids the looseness of the supporting devices and improves the convenience and stability of the device when used.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-row pile foundation pit support device, comprising a fixing box (1), characterized in that: The fixing box (1) is connected to a connecting block (6) via a pushing assembly, the connecting block (6) is connected to a supporting plate (15) via a fixing assembly, both sides of the outer walls of the connecting block (6) are fixedly connected to fixing columns (7), the inner walls of the fixing columns (7) are slidably connected to a moving plate (8), the inner walls of the moving plates (8) are fixedly connected to a button (9), and a first spring (10) is provided between the moving plate (8) and the fixing columns (7).

2. A double-row pile foundation pit support device according to claim 1, characterized in that: The fixing assembly comprises a fixing block (11) slidably connected to the inner wall of the connecting block (6), the inner walls of the fixing blocks (11) on both sides are slidably connected to limit plates (13), the opposite ends of the limit plates (13) are fixedly connected to insert blocks (14), a second spring (12) is provided between the limit plates (13) and the fixing block (11), and the opposite ends of the supporting plates (15) are fixedly connected to the opposite ends of the fixing blocks (11).

3. A double-row pile foundation pit support device according to claim 1, characterized in that: The pushing assembly comprises a motor (2) fixedly connected to the top of the fixed box (1); the driving end of the motor (2) passes through the fixed box (1) and is fixedly connected to a bidirectional threaded rod (3); both sides of the outer wall of the bidirectional threaded rod (3) are threadedly connected to sliders (4); the opposite ends of the sliders (4) are rotatably connected to a rotating rod (5); the opposite ends of the connecting blocks (6) are rotatably connected to the opposite ends of the sliders (4); the bottom end of the bidirectional threaded rod (3) is rotatably connected to the inner wall of the fixed box (1); and the outer walls of the sliders (4) are slidably connected to the inner wall of the fixed box (1).

4. A double-row pile foundation pit support device according to claim 1, characterized in that: One end of the first spring (10) is connected to the movable plate (8), and the other end of the first spring (10) is connected to the inner wall of the fixed column (7).

5. A double-row pile foundation pit support device according to claim 1, characterized in that: The outer walls of the buttons (9) are slidably connected to the inner walls of the fixing columns (7).

6. A double-row pile foundation pit support device according to claim 2, characterized in that: One end of the second spring (12) is connected to the limiting plate (13), and the other end of the second spring (12) is connected to the inner wall of the fixing block (11).

7. A double-row pile foundation pit support device according to claim 2, characterized in that: The outer walls of the limiting plates (13) are slidably connected to the inner walls of the fixing blocks (11).

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