Foundation pit temporary protection device for building site construction
By designing a temporary protective device including a fixed mechanism and a regulatory mechanism, the problem of the existing device is not firm and the length is inseparable, and the scope of security and applicability are achieved.
Patent Information
- Application Number
- CN202422637450.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The existing temporary protection device for foundation pits is not firmly fixed, easy to shake or pour, and the length is fixed and cannot be flexibly adjusted, which cannot meet the needs of different foundation pit lengths.
A temporary protective device including supporting columns, installation boards, protective boxes, and regulating mechanisms. By setting a fixed needle and reinforcement mechanism, the ground nails and reinforcement leaves are fixed to multiple layers to ensure the stability of the device. At the same time, the adjustment mechanism is adopted to achieve flexible adjustment of the protective box by rotating the adjustment block and the positive and negative rods to adapt to different differentials to adapt to different differentials Basic pit length.
Effectively avoid the shaking or dumping of the protective device, and improves the safety and protection effects. At the same time, through the design of the regulatory mechanism, the scope of application of the protective device can be expanded, and the length of different foundation pit can be met.
Smart Images
Figure CN222414165U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a temporary foundation pit protection device for construction on site. Background Art
[0002] During the construction process, since the foundation pit is too high above the ground, if workers accidentally fall into the foundation pit, they are very likely to be injured or even their lives are in danger. Therefore, protective devices are temporarily placed around the foundation pit at the construction site to warn workers not to get close. There are at least the following disadvantages in the use of existing protective devices: 1. When the existing protective devices are placed next to the foundation pit for temporary protection, the protective devices are not fixed firmly and stably to the ground, which makes the protective devices easy to shake or tip over, posing a safety hazard and affecting the protective effect; 2. The length of the existing protective devices is fixed, which is not convenient for flexible adjustment according to the length of the foundation pit at the construction site, and cannot meet the actual use needs, reducing the scope of application of the protective devices and affecting the use effect of the protective devices. Therefore, we introduce a temporary protective device for the foundation pit for construction on the construction site. Utility Model Content
[0003] The main purpose of the utility model is to provide a temporary protection device for foundation pits used in construction sites, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A temporary protection device for foundation pits used in construction sites, comprising support columns, two support columns are provided, mounting plates are installed on opposite surfaces of the two support columns, four screws are threadedly connected to opposite surfaces of the two mounting plates, three protection boxes are fixedly connected to opposite surfaces of the two mounting plates, an adjustment mechanism is commonly provided between the six protection boxes, reflective strips are fixedly connected to the front and rear ends of the six protection boxes, fixing frames are fixedly connected to the inner lower sides of the two support columns, reinforcing mechanisms are threadedly connected to the middle parts of the lower frame walls of the two fixing frames, movable plates are movably connected to the middle parts of the outer surfaces of the two reinforcement mechanisms through bearings, and fixing pins are fixedly connected to the four corners of the lower ends of the two movable plates;
[0006] The adjustment mechanism includes a positive and negative screw rod, an adjustment block is inserted and fixedly connected to the middle of the outer surface of the positive and negative screw rod, the left end and the right end of the positive and negative screw rod are movably connected to a limit plate through bearings, the left part and the right part of the outer surface of the positive and negative screw rod are threadedly connected to an adjustment frame, and a support frame is fixedly connected between the upper parts of the opposite surfaces and the lower parts of the opposite surfaces of the two adjustment frames.
[0007] Preferably, a through hole is opened in the middle part of the lower end of the two support columns, a notch is opened in the lower part of the front wall of the two support columns, a support seat is inserted and fixedly connected to the lower part of the outer surface of the two support columns, and ground nails are fixedly connected to the four corners of the lower end of the two support seats.
[0008] Preferably, the reinforcement mechanism includes a reinforcement rod, a reinforcement leaf is fixedly connected to the lower portion of the outer surface of the reinforcement rod, a spiral pattern is engraved on the upper portion of the outer surface of the reinforcement rod, a handle is fixedly connected to the upper end of the reinforcement rod, and the middle portion of the outer surface of the reinforcement rod is threadedly connected to the middle portion of the lower frame wall of the fixed frame.
[0009] Preferably, the lower outer surfaces of the reinforcing rod, the fixing needle and the ground nail are all configured as pointed structures, and the lower end of the fixing needle is movably connected to the lower wall of the support column, and the reinforcing leaf is configured as a spiral blade structure.
[0010] Preferably, the left and right outer surfaces of the positive and negative screw rods are respectively threadedly connected to the right box wall and the left box wall of the two middle protective boxes, the two adjustment frames are both arranged as a U-shaped structure, and the upper outer surfaces and the lower outer surfaces of the two adjustment frames are both arranged as a T-shaped structure, and the two support frames are both arranged as a W-shaped structure.
[0011] Preferably, the upper outer surfaces and the lower outer surfaces of the two adjustment frames are respectively movably connected with the right box wall and the left box wall of the four upper and lower protection boxes.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. In the utility model, by setting the fixing pin and the reinforcement mechanism, the ground nail can be inserted into the ground for preliminary fixation, and then the reinforcing leaf is inserted into the ground by rotating the reinforcing rod, and the fixing pin is also inserted into the ground for re-fixation, so that the device and the ground can be fixed more firmly and stably, thereby avoiding the shaking or tipping of the protective device, improving safety, and enhancing the protective effect;
[0014] 2. In the utility model, an adjustment mechanism is provided, and the positive and negative screws are driven to rotate by rotating the adjustment block, so that the two middle protection boxes can be driven to move outward, and the adjustment frame can be moved in the remaining protection boxes. The overall length of the protection device can be flexibly adjusted according to the length of the foundation pit at the construction site, thereby expanding the application range of the protection device, meeting actual use needs, and enhancing the use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a temporary protection device for foundation pits used in construction sites of the utility model;
[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of a support column of a temporary protection device for a foundation pit used in construction on site of the utility model;
[0017] Figure 3 This is a schematic diagram of the overall structure of a reinforcement mechanism of a temporary protection device for foundation pits used in construction sites of the utility model;
[0018] Figure 4 The utility model is a schematic diagram of the overall structure of an adjustment mechanism of a temporary protection device for a foundation pit used in construction on site.
[0019] In the figure: 1. Support column; 2. Mounting plate; 3. Screw; 4. Protective box; 5. Adjustment mechanism; 51. Positive and negative screw rods; 52. Adjustment block; 53. Limit plate; 54. Adjustment frame; 55. Support frame; 6. Reflective strip; 7. Fixed frame; 8. Reinforcement mechanism; 81. Reinforcement rod; 82. Reinforcement leaf; 83. Spiral pattern; 84. Handle; 9. Moving plate; 10. Fixing pin; 11. Through hole; 12. Notch; 13. Support seat; 14. Ground nail. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] See also Figure 1-4 , the utility model provides a technical solution:
[0024] A temporary protection device for foundation pits used in construction sites, comprising a support column 1, wherein two support columns 1 are provided, mounting plates 2 are installed on opposite surfaces of the two support columns 1, four screws 3 are threadedly connected to opposite surfaces of the two mounting plates 2, three protection boxes 4 are fixedly connected to opposite surfaces of the two mounting plates 2, an adjustment mechanism 5 is commonly provided between the six protection boxes 4, reflective strips 6 are fixedly connected to the front and rear ends of the six protection boxes 4, a fixing frame 7 is fixedly connected to the inner lower sides of the two support columns 1, a reinforcing mechanism 8 is threadedly connected to the middle parts of the lower frame walls of the two fixing frames 7, a movable plate 9 is movably connected to the middle parts of the outer surfaces of the two reinforcing mechanisms 8 through bearings, and fixing pins 10 are fixedly connected to the four corners of the lower ends of the two movable plates 9;
[0025] The adjustment mechanism 5 includes a forward and reverse screw rod 51, an adjustment block 52 is inserted and fixedly connected to the middle of the outer surface of the forward and reverse screw rod 51, the left and right ends of the forward and reverse screw rod 51 are movably connected to a limit plate 53 through bearings, the left and right parts of the outer surface of the forward and reverse screw rod 51 are threadedly connected to an adjustment frame 54, and a support frame 55 is fixedly connected between the upper parts of the opposite surfaces and between the lower parts of the opposite surfaces of the two adjustment frames 54.
[0026] In this embodiment, a through hole 11 is provided in the middle of the lower end of the two support columns 1, a notch 12 is provided in the lower part of the front wall of the two support columns 1, and a support seat 13 is inserted and fixedly connected to the lower part of the outer surface of the two support columns 1, and the four corners of the lower ends of the two support seats 13 are fixedly connected to the ground nails 14; the reinforcement mechanism 8 includes a reinforcement rod 81, a reinforcement leaf 82 is fixedly connected to the lower part of the outer surface of the reinforcement rod 81, a spiral pattern 83 is engraved on the upper part of the outer surface of the reinforcement rod 81, a handle 84 is fixedly connected to the upper end of the reinforcement rod 81, and a reinforcement rod 81 is fixedly connected to the middle of the outer surface of the reinforcement rod 81. The lower part of the outer surface of the reinforcing rod 81, the lower part of the outer surface of the fixing needle 10 and the lower part of the outer surface of the ground nail 14 are all arranged as a pointed structure, so that the reinforcing rod 81, the fixing needle 10 and the ground nail 14 can be quickly inserted into the ground, and the lower end of the fixing needle 10 is movably connected with the lower wall of the support column 1, and the reinforcing leaf 82 is arranged as a spiral blade structure, which can increase the grip between the reinforcing leaf 82 and the ground, and the outer surface of the reinforcing leaf 82 does not contact the hole wall of the through hole 11, and does not affect the movement and adjustment of the reinforcing leaf 82.
[0027] In this embodiment, the left and right outer surfaces of the positive and negative lead screw 51 are respectively threadedly connected to the right and left box walls of the middle two protective boxes 4, facilitating the adjustment of the distance between the two middle protective boxes 4 to achieve the adjustment of the distance between the two support columns 1. Both of the two adjusting brackets 54 are arranged in a C-shaped structure, and the upper and lower outer surfaces of the two adjusting brackets 54 are both arranged in a T-shaped structure, which can limit the adjusting brackets 54 in the protective boxes 4. Both of the two support brackets 55 are arranged in a king-shaped structure, enabling the support brackets 55 to firmly fix the two adjusting brackets 54. The upper and lower outer surfaces of the two adjusting brackets 54 are respectively inserted and movably connected to the right and left box walls of the upper and lower four protective boxes 4, enabling the two adjusting brackets 54 to be slidably connected to the four protective boxes 4 respectively.
[0028] It should be noted that the present utility model is a temporary protection device for foundation pits used in construction sites. During the use process, first, adjust the length of the protection device according to the length of the foundation pit at the construction site. First, rotate the adjusting block 52 to drive the positive and negative lead screw 51 to rotate, so that the positive and negative lead screw 51 drives the two middle protective boxes 4 to move outward together, and through the movement and limitation of the adjusting brackets 54 in the remaining protective boxes 4, and in cooperation with the limitation of the limiting plate 53 on the positive and negative lead screw 51, the distance between the two support columns 1 can be stably adjusted. That is, according to the length of the foundation pit at the construction site, the overall length of the protection device can be flexibly adjusted, thereby expanding the applicable range of the protection device, enabling the protection device to meet the actual use requirements. And by rotating the screw 3, the mounting plate 2 can be detached from the support column 1, facilitating the separation of the support column 1 from the protective box 4, thus facilitating the disassembly of the protection device for convenient transportation, strengthening the use effect of the protection device. When the length of the protection device is adjusted, the protection device can be placed beside the foundation pit, with the support base 13 placed on the ground beside the foundation pit, and the ground nails 14 on the support base 13 are inserted into the ground for preliminary fixation. Then, rotate the handle 84 through the notch 12, so that the reinforcement insertion rod 81 drives the reinforcement leaf 82 and the lower part of its outer surface to be inserted into the ground together through the spiral thread 83 on it. The spiral-structured reinforcement leaf 82 can increase the grasping force on the ground, realizing the re-fixation of the support column 1 to the ground, strengthening the fixation effect of the protection device. And when the reinforcement insertion rod 81 moves downward, it also drives the moving plate 9 to move downward together, so that the fixing needle 10 is also inserted into the ground for final fixation, thus fixing the protection device to the ground more firmly and stably, avoiding the situation of the protection device shaking or toppling, improving the safety of the protection device during use, and also strengthening the protection effect of the protection device on the foundation pit.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A temporary protection device for a foundation pit for construction on site, comprising a support column (1), characterized in that: There are two support columns (1). Mounting plates (2) are installed on the opposite surfaces of the two support columns (1). Four screws (3) are threadedly connected to the opposite surfaces of the two mounting plates (2). Three protective boxes (4) are fixedly connected to the opposite surfaces of the two mounting plates (2). An adjusting mechanism (5) is jointly arranged among the six protective boxes (4). Reflective strips (6) are fixedly connected to the front ends and rear ends of the six protective boxes (4). Fixed frames (7) are fixedly connected to the lower sides inside the two support columns (1). Reinforcing mechanisms (8) are threadedly connected to the middle parts of the lower shelves of the two fixed frames (7). The middle parts of the outer surfaces of the two reinforcing mechanisms (8) are inserted and movably connected with moving plates (9) through bearings. Fixed pins (10) are fixedly connected to the four corners of the lower ends of the two moving plates (9); The adjusting mechanism (5) includes a positive and negative lead screw (51). An adjusting block (52) is inserted and fixedly connected to the middle part of the outer surface of the positive and negative lead screw (51). Limit plates (53) are inserted and movably connected to the left end and the right end of the positive and negative lead screw (51) through bearings. Adjusting frames (54) are threadedly connected to the left part and the right part of the outer surface of the positive and negative lead screw (51). Support frames (55) are jointly fixedly connected between the upper parts and the lower parts of the opposite surfaces of the two adjusting frames (54).
2. A temporary protection device for foundation pits used in construction sites according to claim 1, characterized in that: Through holes (11) are respectively opened in the middle parts of the lower ends of the two support columns (1). Notches (12) are opened in the lower parts of the front walls of the two support columns (1). Support seats (13) are inserted and fixedly connected to the lower parts of the outer surfaces of the two support columns (1). Ground nails (14) are fixedly connected to the four corners of the lower ends of the two support seats (13).
3. A temporary protection device for foundation pits used in construction sites according to claim 2, characterized in that: The reinforcing mechanism (8) includes a reinforcing insertion rod (81). A reinforcing blade (82) is fixedly connected to the lower part of the outer surface of the reinforcing insertion rod (81). A spiral thread (83) is engraved on the upper part of the outer surface of the reinforcing insertion rod (81). A handle (84) is fixedly connected to the upper end of the reinforcing insertion rod (81). The middle part of the outer surface of the reinforcing insertion rod (81) is threadedly connected to the middle part of the lower shelf of the fixed frame (7).
4. A temporary protection device for foundation pits used in construction sites according to claim 3, characterized in that: The lower parts of the outer surfaces of the reinforcing insertion rod (81), the fixed pins (10), and the ground nails (14) are all arranged in a pointed structure. The lower end of the fixed pin (10) is inserted and movably connected to the lower wall of the support column (1). The reinforcing blade (82) is arranged in a spiral blade structure.
5. A temporary protection device for foundation pits used in construction sites according to claim 1, characterized in that: The left part and the right part of the outer surface of the positive and negative lead screw (51) are respectively threadedly connected to the right box walls and the left box walls of the middle two protective boxes (4). The two adjusting frames (54) are both arranged in a C-shaped structure. The upper parts and the lower parts of the outer surfaces of the two adjusting frames (54) are both arranged in a T-shaped structure. The two support frames (55) are both arranged in a king-shaped structure.
6. A temporary protection device for foundation pits used in construction sites according to claim 5, characterized in that: The upper parts and the lower parts of the outer surfaces of the two adjusting frames (54) are respectively inserted and movably connected to the right box walls and the left box walls of the upper and lower four protective boxes (4).