Foundation pit protection structure for municipal road construction

Abstract

The utility model relates to the technical field of municipal construction, and discloses a foundation pit protection structure for municipal road construction, the foundation pit protection structure comprises a first protection fence and a second protection fence, the first protection fence comprises a first frame and a second frame, and clamping grooves are formed in the bottom ends of two supporting columns on one side of the second frame; adjusting cavities are formed in the two supporting columns on one side of the second frame in a penetrating mode, the second frame is connected with the supporting columns on one side of the first frame in a nested mode through clamping grooves formed in the bottom ends of the supporting columns on one side of the second frame, threaded columns are fixedly arranged at the upper ends of the two supporting columns on one side of the first frame, and the two threaded columns correspondingly penetrate through the two adjusting cavities respectively. According to the arrangement, the first frame and the second frame can be transported separately, the space in the vehicle is increased, the transport vehicle can load more accessories during loading, the use of the transport vehicle is reduced, the cost is further reduced, the assembly arrangement is also convenient for workers to carry, and potential safety hazards caused by the fact that the workers carry too heavy articles are reduced.

Description

Technical Field

[0001] This utility model belongs to the field of municipal construction technology, and in particular relates to a foundation pit protection structure for municipal road construction. Background Technology

[0002] Municipal engineering refers to the construction of municipal infrastructure. In my country, municipal infrastructure refers to various buildings, structures and equipment set up within the planning and construction scope of urban areas and towns (townships) to provide paid or free public products and services to residents based on the government's responsibility and obligation. The construction of various public infrastructure supporting urban life falls under the category of municipal engineering. In the process of municipal engineering construction, the use of road foundation pit safety protection structures is indispensable to ensure the safety of construction personnel.

[0003] An existing patent (publication number: CN217999200U) discloses a safety protection structure for road foundation pits in municipal construction, including a protective mesh panel. The protective mesh panel has a first installation cavity inside, and a fixing component with one end penetrating through and extending to the bottom of the protective mesh panel is installed inside the first installation cavity. A pushing component with one end movably connected to the top of the fixing component and the other end penetrating through and extending to the right side of the protective mesh panel is installed inside the first installation cavity. Rectangular blocks are provided on both the left and right sides of the protective mesh panel. A flip plate is provided on the opposite side of the two rectangular blocks. A sliding groove is provided on the opposite side of the two rectangular blocks above the flip plate. A slider is provided inside the sliding groove. A push-pull rod is provided between the flip plate and the slider.

[0004] The aforementioned comparative document points out that the safety protection structure for road foundation pits in municipal construction is designed to be easy to move and transport, and to be easily and stably fixed after being moved to a suitable location. However, this device is an integrated unit, which, although easy to move, requires a large area for transportation and placement. During transportation, it needs to be transported multiple times and is also quite heavy, making it inconvenient for workers to load and move it. Therefore, a protective structure for foundation pits in municipal road construction is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this application provides a foundation pit protection structure for municipal road construction, which has advantages such as the ability to be disassembled to increase the number of transport vehicles and the ability to adjust the length. This solves the problem mentioned in the aforementioned comparative documents that the device is an integrated device, which is easy to move, but requires a large area for transportation and placement, requires multiple transports during transportation, and is also heavy, making it inconvenient for workers to load and move it.

[0006] To achieve the above objectives, this application provides the following technical solution: a foundation pit protection structure for municipal road construction, including a first guardrail and a second guardrail. The first guardrail includes a first frame and a second frame. The bottom ends of two pillars on one side of the second frame are provided with slots. Adjustment cavities are provided inside the two pillars on one side of the second frame. The second frame is nested with the pillars on one side of the first frame through the slots provided at the bottom ends of the pillars on one side. Threaded posts are fixedly provided at the top ends of the two pillars on one side of the first frame. The two threaded posts pass through the two adjustment cavities respectively.

[0007] Three first connecting frames and two connecting frames are fixedly installed on one side of the first frame and the second frame, respectively. The second connecting frames and the first connecting frames fixedly installed at the adjacent ends of the first guardrail and the second guardrail are all fitted with buckles, and connecting ropes are fitted inside each pair of the multiple buckles.

[0008] Through the above-described scheme, the device sets the first protective railing as a modular installation structure. When transporting the first protective railing for foundation pit protection, this configuration allows for the separate transport of the first and second frames. This configuration reduces the floor space occupied, increases the interior space of the vehicle, and allows the transport vehicle to carry more components, reducing the use of transport vehicles and thus reducing costs. Secondly, this modular design facilitates handling by workers, reducing safety hazards caused by excessively heavy loads. Furthermore, the device's length is adjustable. When working at the end of foundation pit protection, if there are obstacles on one side, the length of the device can be adjusted according to the distance from the obstacles, avoiding the problem of the protective device being short or needing to be cut due to excessive length.

[0009] Furthermore, the bottom ends of the first frame and the second frame are respectively provided with four and one threaded holes, and each of the threaded holes is threaded with a ground nail.

[0010] The above solution uses ground anchors embedded in the ground to fix the positions of the first and second frames. Furthermore, the anchors are connected by threaded installation, allowing them to be installed when the first and second frames are being used for protective work, thus preventing accidental injury to workers.

[0011] Furthermore, each of the aforementioned ground nails has a footplate fixedly installed on its outer wall.

[0012] The above method involves workers applying pressure to the pedals to embed the ground nails into the ground.

[0013] Furthermore, protective netting is fixed to one side of the outer wall of the first and second frames by multiple fastening bolts.

[0014] The above scheme is used to enclose the area between the first and second frames, preventing other personnel from entering the foundation pit from this area and causing accidents.

[0015] Furthermore, a washer is fitted on the outer wall of each of the fastening bolts, and the washer is positioned between the fastening bolt and the protective mesh.

[0016] With the above solution, since the protective net is mesh-like, the compression area of ​​the bolt head on the mesh is small when the bolt is used to fix the protective net. By using a shim, the compression area on the protective net is increased.

[0017] Furthermore, each of the two threaded columns has a nut threadedly connected to the outer wall of the end extending out of the adjustment cavity.

[0018] The above scheme uses the connection between the nut and the threaded post to fix the position of the second frame.

[0019] Furthermore, the bottom ends of all of the aforementioned ground nails are tapered.

[0020] The above design results in a sharper cone-shaped bottom, making it easier to insert into the ground.

[0021] Furthermore, the second guardrail and the first guardrail have the same structure.

[0022] The above scheme uses a second guardrail to connect the two guardrails, and the use of buckles and connecting ropes facilitates the connection between the two guardrails.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] This device, by setting the first protective barrier as a modular installation structure, allows for the separate transport of the first and second frames when the first protective barrier needs to be transported for pit protection. This design reduces the footprint, increases the interior space of the vehicle, and allows the transport vehicle to carry more components, reducing the need for transport vehicles and thus reducing costs. Secondly, this modular design facilitates handling by workers, reducing safety hazards caused by excessively heavy loads. Furthermore, the device's length is adjustable. When there are obstacles on one side during the pit protection work, the length of the device can be adjusted according to the distance from the obstacles, avoiding the problem of the protective device being short or needing to be cut due to being too long. Finally, the ground spikes are connected by threaded installation, allowing them to be installed after the first and second frames are in use for protection work, thus preventing accidental injury to workers from the ground spikes. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of a foundation pit protection structure for municipal road construction according to this utility model;

[0026] Figure 2 This is a schematic diagram of the assembly structure of a foundation pit protection structure for municipal road construction according to the present invention;

[0027] Figure 3 This is a schematic diagram of the first frame of a foundation pit protection structure for municipal road construction according to the present invention;

[0028] Figure 4 This is a schematic diagram of the second frame of a foundation pit protection structure for municipal road construction according to the present invention;

[0029] Figure 5 This is a bottom view of a foundation pit protection structure for municipal road construction according to this utility model.

[0030] Explanation of markings in the diagram:

[0031] 1. First guardrail; 101. First frame; 102. Threaded post; 103. First connecting frame; 104. Second frame; 105. Slot; 106. Adjustment cavity; 107. Second connecting frame;

[0032] 2. Second guardrail;

[0033] 3. Buckle; 4. Connecting rope; 5. Threaded hole; 6. Ground nail; 7. Foot pedal; 8. Fastening bolt; 9. Protective net; 10. Washer; 11. Nut. Detailed Implementation

[0034] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0035] Please see Figure 1 , Figure 2 and Figure 4 The foundation pit protection structure for municipal road construction in this embodiment includes a first guardrail 1 and a second guardrail 2. The first guardrail 1 includes a first frame 101 and a second frame 104. The bottom ends of the two pillars on one side of the second frame 104 are provided with slots 105, and the interiors of the two pillars on one side of the second frame 104 are provided with adjustment cavities 106.

[0036] Please see Figure 2 , Figure 3 and Figure 4The second frame 104 is nested with the support column on one side of the first frame 101 through a slot 105 opened at the bottom of the support column on one side. The upper ends of the two support columns on one side of the first frame 101 are fixedly provided with threaded columns 102, and the two threaded columns 102 pass through the two adjustment cavities 106 respectively.

[0037] Please see Figure 1 , Figure 2 and Figure 3 Three first connecting frames 103 and two connecting frames 107 are fixedly installed on one side of the first frame 101 and the second frame 104 respectively. The second connecting frames 107 and the first connecting frames 103 are fixedly installed at one end of the first guardrail 1 and the second guardrail 2 respectively. Each pair of the multiple buckles 3 is fitted with a connecting rope 4.

[0038] Please see Figure 1 , Figure 2 and Figure 5 The bottom of the first frame 101 and the second frame 104 are respectively provided with four and one threaded holes 5. Each of the threaded holes 5 is threaded with a ground nail 6. The ground nail 6 is embedded in the ground to fix the position of the first frame 101 and the second frame 104. The ground nail 6 is connected by a threaded installation method, which can be installed when the first frame 101 and the second frame 104 are used for protective work. This can avoid the ground nail 6 causing accidental injury to the workers. Each of the ground nail 6 has a foot pedal 7 fixed on its outer wall. The workers apply pressure to the foot pedal 7 to make the ground nail 6 embed into the ground. The bottom of each of the ground nail 6 is tapered and sharp, which makes it easy to remove and insert into the ground.

[0039] Please see Figure 1 and Figure 2 A protective net 9 is fixed to one side of the outer wall of the first frame 101 and the second frame 104 by multiple fastening bolts 8. The protective net 9 is used to enclose the area between the first frame 101 and the second frame 104 to prevent other personnel from entering the pit from this area and causing accidents. The outer wall of the multiple fastening bolts 8 is fitted with a washer 10. The multiple washer 10 is located between the fastening bolts 8 and the protective net 9. Since the protective net 9 is mesh-like, the compression area of ​​the bolt head on the mesh of the protective net 9 is small when the fastening bolts 8 are fixed to the protective net 9. The use of washer 10 increases the compression area on the protective net 9. Nuts 11 are threadedly connected to the outer wall of the two threaded posts 102 that extend out of the adjustment cavity 106. The connection between the nuts 11 and the threaded posts 102 is used to fix the position of the second frame 104. The second guardrail 2 has the same structure as the first guardrail 1. The setting of the second guardrail 2 mainly reflects the connection method between the two guardrails. The setting of the buckle 3 and the connecting rope 4 facilitates the connection between the two guardrails.

[0040] In this embodiment, by setting the first protective railing 1 as a combined installation structure, when the first protective railing 1 needs to be transported for the protection of the foundation pit, this setting allows the first frame 101 and the second frame 104 to be transported separately. This setting can reduce the floor space occupied, increase the internal space of the vehicle, and allow the transport vehicle to carry more accessories, reducing the use of transport vehicles and thus reducing costs. Secondly, this assembly setting is also convenient for workers to move, reducing the safety hazards caused by workers carrying excessively heavy items. Furthermore, the device can also adjust its length. When the end of the foundation pit protection is in progress, if there is an obstacle on one side, the length of the device can be adjusted according to the distance from the obstacle, avoiding the problem of the protective device being short or having to be cut due to being too long. In addition, the ground nails 6 are connected by threaded installation, which can be installed when using the first frame 101 and the second frame 104 for protection work, thus avoiding the ground nails 6 causing accidental injury to workers.

[0041] It should be noted that when assembling the first frame 101 and the second frame 104, the assembly can be carried out according to the maximum length between the two in the early stage. When finishing the work, the remaining depth can be measured to determine the length of the assembly to ensure the integrity of the guardrail. Secondly, the buckle 3 and connecting rope 4 are set in areas with sloping terrain. When installing the subsequent guardrails, the slope can be skipped. The buckle 3 and connecting rope 4 can block the slope in the area, reducing the need for workers to clear the slope during installation and reducing the workload.

[0042] The working principle of the above embodiments is as follows:

[0043] When using this device, firstly, the second frame 104 is nested on the first frame 101 through the slot 105, allowing the threaded post 102 to pass through the adjustment cavity 106. After confirming the length, the nut 11 is used to connect with the threaded post 102 to fix the second frame 104. After fixing, the ground nail 6 is taken out and connected to the threaded hole 5 in sequence to install the ground nail 6. After installation, the first frame 101 and the second frame 104 are erected, and the ground nail 6 is inserted into the ground to fix the first frame 101 and the second frame 104. Repeat the above steps. When encountering a small slope, the slope is skipped, and the area is blocked by the buckle 3 and the connecting rope 4, reducing the need for workers to clean the slope during installation and reducing the workload. When finishing the work, the remaining depth is measured, and the length can be reassembled to ensure the integrity of the guardrail. Finally, the protective net 9 is cut, the gasket 10 is put on the outer wall of the fastening bolt 8, and then the fastening bolt 8 is used to fix the protective net 9.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0045] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application.

Claims

1. A foundation pit protection structure for municipal road construction, comprising a first protective railing (1) and a second protective railing (2), characterized in that: The first guardrail (1) includes a first frame (101) and a second frame (104). The bottom ends of the two pillars on one side of the second frame (104) are provided with slots (105). The interior of the two pillars on one side of the second frame (104) is provided with adjustment cavities (106). The second frame (104) is nested with the pillar on one side of the first frame (101) through the slots (105) at the bottom ends of the pillars on one side. The upper ends of the two pillars on one side of the first frame (101) are fixedly provided with threaded posts (102). The two threaded posts (102) pass through the two adjustment cavities (106) respectively. Three first connecting frames (103) and two connecting frames (107) are fixedly installed on one side of the first frame (101) and the second frame (104). Buckles (3) are provided between the second connecting frames (107) and the first connecting frames (103) fixedly installed at one end of the first guardrail (1) and the second guardrail (2). Connecting ropes (4) are provided between each pair of the multiple buckles (3).

2. The foundation pit protection structure for municipal road construction according to claim 1, characterized in that: The bottom of the first frame (101) and the second frame (104) are respectively provided with four and one threaded hole (5), and the threaded holes (5) are all threaded with ground nails (6).

3. The foundation pit protection structure for municipal road construction according to claim 2, characterized in that: Each of the ground nails (6) has a footboard (7) fixedly installed on its outer wall.

4. The foundation pit protection structure for municipal road construction according to claim 1, characterized in that: The first frame (101) and the second frame (104) are fixed with protective nets (9) on one side of the outer wall by multiple fastening bolts (8).

5. A foundation pit protection structure for municipal road construction according to claim 4, characterized in that: Each of the fastening bolts (8) has a washer (10) fitted on its outer wall, and the washer (10) is located between the fastening bolt (8) and the protective net (9).

6. The foundation pit protection structure for municipal road construction according to claim 1, characterized in that: Both of the threaded pins (102) have nuts (11) threadedly connected to the outer wall of the end of the two pins (102) that extend out of the adjustment cavity (106).

7. A foundation pit protection structure for municipal road construction according to claim 2, characterized in that: The bottom ends of all of the aforementioned ground nails (6) are tapered.

8. The foundation pit protection structure for municipal road construction according to claim 1, characterized in that: The second guardrail (2) and the first guardrail (1) have the same structure.

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