A building construction earth excavation foundation pit protection device

Abstract

The utility model discloses a kind of building construction earthwork excavation foundation pit protection devices, including protection plate, protection plate one end is equipped with clamping plate, the other end is equipped with fixed part, protection plate bottom end side is equipped with support mechanism for supporting and anchoring protection plate;The clamping plate is equipped with through slot, and the through slot end is equipped with first sink groove;Fixed part includes fixed frame, fixed plate, lead screw, first sealing plate, second sealing plate, limit shaft, spring;Fixed frame is equipped with clamping slot and installation slot, clamping slot clamps protection plate and is fixedly connected by bolt;Fixed plate is equipped in installation slot, and second sink groove is equipped in fixed plate, limit shaft is slidably connected fixed plate, and first limit plate, second limit plate are equipped on limit shaft, first limit plate is fixed in limit shaft end, and second limit plate is equipped in second sink groove.The utility model can be clamped fixed plate by clamping plate to realize the connection of adjacent protection plate, and then can form integral type protection wall, improve overall protection effect.

Description

Technical Field

[0001] This utility model belongs to the field of foundation pit protection technology, and specifically relates to a foundation pit protection device for earthwork excavation in building construction. Background Technology

[0002] During construction, earthwork excavation is carried out. The excavated foundation pit needs to be protected. Generally, this is done by using fencing to isolate the area around the foundation pit and reduce safety hazards for pedestrians.

[0003] In the prior art, a safety protection device for construction pits, with publication number CN218204427U, is described. This solution improves the protective effect by building a support platform between the back of the device and the pit after installation, preventing people from falling directly into the pit after climbing over the device. However, there is a lack of interconnecting components between the installation columns of adjacent protective devices, making them independent entities that are easily breached. This results in poor effectiveness in preventing pedestrians from accidentally entering or vehicles from entering due to insufficient warnings.

[0004] Another example of the aforementioned drawbacks is a construction pit protection device with the existing technology announcement number CN216921673U, which is an independent unit of the same type; it cannot form an effective overall protection and has a poor protective effect.

[0005] The applicant has proposed a foundation pit protection device that can be interconnected to form a whole for protection, addressing the aforementioned drawbacks. Summary of the Invention

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a protective device for foundation pits in building construction. The device can connect adjacent protective plates by snapping together the fixing plates, thereby forming an integral protective wall and improving the overall protection effect.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A protective device for excavation pits in building construction includes a protective plate, one end of which is provided with a snap-fit ​​plate and the other end with a fixing part. A support mechanism is provided on one side of the bottom end of the protective plate for supporting and anchoring the protective plate. The snap-fit ​​plate is provided with a through groove, and the end of the through groove is provided with a first sinking groove.

[0009] The fixing part includes a fixing frame, a fixing plate, a lead screw, a first sealing plate, a second sealing plate, a limiting shaft, and a spring. The fixing frame has a slot and an installation slot. The slot engages with the protective plate and is fixedly connected by bolts. The installation slot contains the fixing plate, which has a second recessed groove. The limiting shaft is slidably connected to the fixing plate. The limiting shaft has a first limiting plate and a second limiting plate. The first limiting plate is fixed to the end of the limiting shaft, and the second limiting plate is located in the second recessed groove. The spring is sleeved on the limiting shaft and pushes against the first limiting plate and the protective plate. The first and second sealing plates are fixed to the side of the fixing frame by bolts to seal the installation groove and prevent debris from entering. The lead screw is threadedly connected to the fixing plate, and the through shafts at both ends of the lead screw are rotatably connected to the first sealing plate.

[0010] The support mechanism includes a support plate, anchor nails, and ribs. One end of the support plate is rotatably connected to a protective plate. The ribs are fixedly connected to the protective plate and the support plate by bolts. The anchor nails pass through the support plate and are slidably connected. The ribs can be disassembled for easy storage of the support mechanism.

[0011] Furthermore, the end of the lead screw is also provided with a wheel to facilitate control of the lead screw rotation.

[0012] Furthermore, the second limiting plate is provided with through holes to facilitate the lifting of the limiting shaft.

[0013] Furthermore, one end of the second limiting plate is chamfered to facilitate insertion into the second sinker.

[0014] Furthermore, the end of the snap-fit ​​plate is chamfered to facilitate snap-fitting of the limiting shaft.

[0015] Furthermore, the top of the protective plate is equipped with a warning light that can serve as a warning at night.

[0016] The advantages of this utility model compared with the prior art are as follows:

[0017] In this solution, the limiting shaft can be inserted through the snap-fit ​​plate, and then the limiting shaft can be lifted and rotated to allow the second limiting plate to be smoothly inserted into the first recess. The spring force can push the second limiting plate to always be in the first recess, locking the fixing plate and the snap-fit ​​plate, realizing the connection between the protective plate and the fixing plate, and thus forming an integrated protection mode. Compared with the independent individual protection mode, it can greatly improve the protection effect, and the blocking effect can be greatly enhanced in the case of vehicles running in due to insufficient warning.

[0018] Furthermore, when there is a difference in ground elevation that prevents the smooth insertion and locking of the locking plate and the limiting shaft, the height of the fixing plate can be changed by rotating the lead screw, so that it can adapt to and meet the insertion purpose of the fixing plate and the limiting shaft. Attached Figure Description

[0019] Appendix Figure 1This utility model discloses a structural schematic diagram of a foundation pit protection device for earthwork excavation in building construction. Figure 1 ;

[0020] Appendix Figure 2 This utility model discloses a structural schematic diagram of a foundation pit protection device for earthwork excavation in building construction. Figure 2 ;

[0021] Appendix Figure 3 This is a structural diagram of the fixing part. Figure 1 ;

[0022] Appendix Figure 4 This is a structural diagram of the fixing part. Figure 2 ;

[0023] Appendix Figure 5 This is a structural diagram of the fixed plate;

[0024] Appendix Figure 6 This is a schematic diagram of the limiting shaft.

[0025] Appendix Figure 7 This is a structural diagram of the snap-fit ​​plate;

[0026] Appendix Figure 8 This is a structural diagram of the snap-fit ​​fixing part of the snap-fit ​​plate;

[0027] In the diagram: 1. Protective plate; 2. Clip-on plate; 21. Through groove; 22. First settling groove;

[0028] 3. Fixing part; 31. Fixing frame; 311. Slot; 312. Mounting slot; 32. Fixing plate; 321. Second recessed groove; 33. Lead screw; 331. Rotary wheel; 34. First sealing plate; 35. Second sealing plate; 36. Limiting shaft; 361. First limiting plate; 362. Second limiting plate; 363. Through hole; 37. Spring; 4. Supporting mechanism; 41. Supporting plate; 42. Anchor nail; 43. Rib plate; 5. Warning light; 6. Chamfer. Detailed Implementation

[0029] To facilitate understanding by those skilled in the art, the following is a detailed explanation in conjunction with the appendix. Figure 1-8 The technical solution of this utility model will be further described in detail below.

[0030] A protective device for excavation pits in building construction includes a protective plate 1, a snap-fit ​​plate 2 at one end of the protective plate 1 and a fixing part 3 at the other end, and a support mechanism 4 on one side of the bottom end of the protective plate 1 for supporting and anchoring the protective plate 1; the snap-fit ​​plate 2 is provided with a through groove 21, and a first sinking groove 22 is provided at the end of the through groove 21.

[0031] The fixing part 3 includes a fixing frame 31, a fixing plate 32, a lead screw 33, a first sealing plate 34, a second sealing plate 35, a limiting shaft 36, and a spring 37. The fixing frame 31 is provided with a slot 311 and a mounting groove 312. The slot 311 engages with the protective plate 1 and is fixedly connected by bolts. The mounting groove 312 is provided with a fixing plate 32, and the fixing plate 32 is provided with a second recess 321. The limiting shaft 36 is slidably connected to the fixing plate 32, and the limiting shaft 36 is provided with a first limiting plate 361 and a second limiting plate 362. The limiting plate 362, the first limiting plate 361 is fixed to the end of the limiting shaft 36, the second limiting plate 362 is disposed in the second sink 321, the spring 37 is sleeved on the limiting shaft 36, and the spring 37 pushes the first limiting plate 361 and the protective plate 1; the first sealing plate 34 and the second sealing plate 35 are fixed to the side of the fixing frame 31 by bolts to close the mounting groove 312 to prevent foreign objects from entering; the lead screw 33 is threaded to the fixing plate 32, and the through shafts at both ends of the lead screw 33 are rotatably connected to the first sealing plate 34.

[0032] The end of the lead screw 33 is also provided with a wheel 331 to facilitate the control of the rotation of the lead screw 33.

[0033] The second limiting plate 362 is provided with a through hole 363 to facilitate the lifting of the limiting shaft 36.

[0034] The second limiting plate 362 has a chamfer 6 at one end to facilitate insertion into the second sink 321.

[0035] The end of the snap-fit ​​plate 2 is provided with a chamfer 6 to facilitate snap-fitting of the limiting shaft 36.

[0036] The support mechanism 4 includes a support plate 41, anchor nails 42, and ribs 43. One end of the support plate 41 is rotatably connected to the protective plate 1. The ribs 43 are fixedly connected to the protective plate 1 and the support plate 41 by bolts. The anchor nails 42 pass through the support plate 41 and are slidably connected. The ribs 43 can be disassembled for easy storage of the support mechanism 4.

[0037] The protective plate 1 is equipped with a warning light 5 on its top, which can serve as a warning at night.

[0038] A protective device for foundation pits during building construction excavation, the working process of which is as follows:

[0039] In use, the connection between adjacent protective plates 1 is achieved by snapping the fixing part 3 with the snap-fit ​​plate 2, and then the ground is anchored to support and fix the protective plate 1 through the support mechanism 4. During anchoring, the rib plate 43 is first bolted to the protective plate 1 and the support plate 41 with bolts to support and lock the support plate 41, and then the anchor nail 42 is inserted into the ground for final anchoring.

[0040] When the protective plate 1 is plugged in, the through groove 21 on the snap-fit ​​plate 2 is inserted into the limiting shaft 36. Then, the limiting shaft 36 is pulled up and rotated so that the second limiting plate 362 can be inserted into the first recess 22. The second limiting plate 362 is always kept in the first recess 22 by the elastic force of the spring 37, thus connecting and locking the snap-fit ​​plate 2 and the fixing plate 32.

[0041] Furthermore, when a difference in ground elevation prevents the locking plate 2 from being inserted into the limiting shaft 36, the screw 33 is rotated to move the fixing plate 32 up and down within the mounting groove 312, thus enabling the locking plate 2 to smoothly engage with the limiting shaft 36.

[0042] When the project is completed and the equipment is moved, the rib plate 43 in the support mechanism 4 can be disassembled for easy overall storage.

[0043] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of this invention, the connection methods are divided into fixed connection and movable connection. Fixed connection methods include, but are not limited to, welding and bolting; movable connection methods include, but are not limited to, sliding connection, rotating connection and threaded connection. The connection method to achieve the desired effect should be selected according to the application of the solution.

[0045] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A protective device for excavation pits during building construction, comprising a protective plate, characterized in that... The protective plate has a snap-fit ​​plate at one end and a fixing part at the other end. A support mechanism is provided on one side of the bottom end of the protective plate for supporting and anchoring the protective plate. The snap-fit ​​plate has a through groove, and the end of the through groove has a first recessed groove. The fixing part includes a fixing frame, a fixing plate, a lead screw, a first sealing plate, a second sealing plate, a limiting shaft, and a spring. The fixing frame has a slot and an installation slot. The slot engages with the protective plate and is fixedly connected by bolts. The installation slot contains the fixing plate, which has a second recessed groove. The limiting shaft is slidably connected to the fixing plate. The limiting shaft has a first limiting plate and a second limiting plate. The first limiting plate is fixed to the end of the limiting shaft, and the second limiting plate is located in the second recessed groove. The spring is sleeved on the limiting shaft and pushes against the first limiting plate and the protective plate. The first and second sealing plates are fixed to the side of the fixing frame by bolts to seal the installation groove and prevent debris from entering. The lead screw is threadedly connected to the fixing plate, and the through shafts at both ends of the lead screw are rotatably connected to the first sealing plate.

2. The foundation pit protection device for earthwork excavation in building construction according to claim 1, characterized in that... The support mechanism includes a support plate, anchor nails, and ribs. One end of the support plate is rotatably connected to a protective plate. The ribs are fixedly connected to the protective plate and the support plate by bolts. The anchor nails pass through the support plate and are slidably connected. The ribs can be disassembled for easy storage of the support mechanism.

3. The foundation pit protection device for earthwork excavation in building construction according to claim 1, characterized in that... The lead screw is also equipped with a wheel at its end to facilitate control of the lead screw rotation.

4. A protective device for foundation pit excavation during building construction according to claim 1, characterized in that... The second limiting plate has through holes to facilitate the lifting of the limiting shaft.

5. A protective device for foundation pit excavation during building construction according to claim 1, characterized in that... The second limiting plate has a chamfer at one end to facilitate insertion into the second sinker.

6. A protective device for foundation pit excavation during building construction according to claim 1, characterized in that... The end of the snap-fit ​​plate is chamfered to facilitate snap-fitting of the limiting shaft.

7. A protective device for foundation pit excavation during building construction according to claim 1, characterized in that... The protective plate is equipped with a warning light on top, which can serve as a warning at night.

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