Municipal road foundation pit safety protection device
By designing the splicing of support rods and support plates to form a stair structure, and using the rotating sleeve and column mechanism to reduce the rotation speed of the upper plate, the existing equipment is solved inconvenient to work up and down in deep foundation pits and cannot be fixed firmly under strong winds. A safe and convenient protection effect of municipal road subgrade pits has been achieved.
Patent Information
- Application Number
- CN202420499202.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-03-15
AI Technical Summary
When used, existing municipal road subgrade pit safety protection equipment is difficult to facilitate personnel to work up and down, and is easily blown off under strong wind conditions, affecting fixed safety.
A municipal road subgrade pit safety protection device including lower plate, upper plate, support assembly, rotating assembly and connecting assembly was designed. The stair structure was formed by splicing the support rod and support plate, and the rotation sleeve and column mechanism were used to under strong winds. Reduce the rotation speed of the upper plate and ensure the stability of the equipment through rivet fixing devices.
It realizes up and down work without the need to climb with bare hands or excavate the steps in deep foundation pits, saves manpower consumption, and effectively fixes the protective device under strong wind conditions to avoid being blown, ensuring safety and fixing firmness.
Smart Images

Figure CN222314822U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit safety protection equipment, in particular to a municipal road foundation pit safety protection device. Background Art
[0002] When carrying out the construction work of municipal road foundation pit, in order to ensure the construction safety of the foundation pit, it is often necessary to use foundation pit safety protection equipment. The utility model patent with patent application number CN201120125458.1 discloses a municipal road foundation pit safety protection device. The municipal road foundation pit safety protection device is suitable for various municipal road foundation pit protection projects. It has the advantages of simple structure, easy installation and use, safe and reliable quality, and can be repeatedly used. According to the technical scheme disclosed by it, the existing municipal road foundation pit safety protection equipment is not convenient for personnel to go up and down the foundation pit when in use. People are often required to climb up and down the foundation pit by hand or dig steps at the foundation pit, which increases manpower consumption. On the other hand, when encountering strong winds, the protective device is easily blown away, which is not conducive to ensuring the fixed safety of the protective device.
[0003] Therefore, how to design a municipal road foundation pit safety protection device has become our current problem to be solved. Utility Model Content
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a municipal road foundation pit safety protection device to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable design and is relatively convenient to use, and is suitable for the safety protection of municipal road foundation pits.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a municipal road foundation pit safety protection device, comprising a lower plate and an upper plate, a support assembly is installed on one side of the lower plate, the support assembly comprises a support plate and a support rod, rotating assemblies are installed on both sides of the lower plate, the rotating assembly comprises a rotating sleeve and a rotating rod, a clamping assembly is installed on the inner side of the rotating rod, the clamping assembly comprises a clamping column and a spring 1, a connecting assembly is installed on the inner side of the lower plate, the connecting assembly comprises an insert block and a socket, a locking assembly is installed on the inner side of the insert block, the locking assembly comprises a bayonet pin and a spring 2, a splicing assembly is installed on the support plate and the support rod, and the splicing assembly comprises a connecting port and a through port.
[0006] Furthermore, the rotating sleeve is welded to both sides of the top of the lower plate, the rotating rod is welded to both sides of the bottom of the upper plate, and the rotating sleeve is sleeved on the outer side of the rotating rod.
[0007] Furthermore, a bayonet is provided on the inner wall of the rotating sleeve, a clamping groove is provided on the inner side of the rotating rod, and one end of the clamping column is connected to the inner wall of the clamping groove via a spring.
[0008] Furthermore, the other end of the clamping column passes through the clamping slot and extends to the inner side of the clamping port, openings are provided on both sides of the rotating sleeve, retaining grooves are provided on the inner side of the rotating sleeve, and the retaining grooves are evenly distributed on both sides of the rotating sleeve.
[0009] Furthermore, one end of the support rod is welded to one side of the support plate, the socket is opened on the inner side of the lower plate, the plug block is welded to the other side of the support plate, and the plug block is clamped on the inner side of the socket.
[0010] Furthermore, a pin hole is provided on the inner side of the plug block, one end of the bayonet pin is connected to the inner wall of the pin hole through a second spring, and the other end of the bayonet pin passes through the pin hole and extends to the inner side of the socket.
[0011] Furthermore, the connection opening is opened on the inner side of the support plate, the connection opening is located at the top of one end of the support rod, and the height and width of the connection opening are equal to the height and width of the support rod.
[0012] Furthermore, the through openings are respectively opened on the inner sides of both ends of the support rod, and rivets are clamped on the inner sides of the through openings, one end of the rivet is clamped on the top of the support rod, and the other end of the rivet passes through the through openings and extends to the bottom of the support rod.
[0013] Beneficial effects: 1. When the municipal road foundation pit safety protection device is in use, when the foundation pit is deep and it is inconvenient for personnel to go up and down the work, one end of the remaining support rod is inserted into the inner side of the connecting mouth in the support plate, and one end of the support rod is clamped on the top of the other end of the other support rod, and the through-holes on the two support rods are aligned, and then the two support rods are fixed with rivets, and then the support rods and the support plates are spliced and fixed to each other to form the shape of stairs, and the top and bottom ends of the support rods are placed at the bottom and top of the foundation pit. Personnel go up and down the foundation pit with the help of the support plate, and there is no need for personnel to climb barehanded or dig steps on the foundation pit, which is convenient for personnel to go up and down and saves manpower.
[0014] When the cam is in a state of being blown away by the strong wind, the upper plate is forced to move upwards and the lower plate is forced to move upwards and downwards, thereby preventing the upper plate and the lower plate from being damaged by the strong wind.
[0015] 3. The municipal road foundation pit safety protection device is reasonably designed, efficient and convenient to use, and is suitable for the safety protection of municipal road foundation pits. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of a municipal road foundation pit safety protection device of the utility model;
[0017] Figure 2 This is a cross-sectional view of a municipal road foundation pit safety protection device of the utility model;
[0018] Figure 3 It is a cross-sectional view of a rotating sleeve of a municipal road foundation pit safety protection device of the utility model;
[0019] Figure 4 It is a cross-sectional view of a support plate of a municipal road foundation pit safety protection device of the utility model;
[0020] Figure 5 It is a schematic diagram of the splicing of support plates of a municipal road foundation pit safety protection device of the utility model;
[0021] In the figure: 1, lower plate; 2, upper plate; 3, support plate; 4, support rod; 5, rotating sleeve; 6, rotating rod; 7, clamping column; 8, spring 1; 9, bayonet; 10, opening; 11, plug block; 12, socket; 13, bayonet pin; 14, spring 2; 15, connecting port; 16, through port; 17, rivet. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figures 1 to 5 The utility model provides a technical solution: a municipal road foundation pit safety protection device, including a lower plate 1 and an upper plate 2, a support assembly is installed on one side of the lower plate 1, the support assembly includes a support plate 3 and a support rod 4, a rotating assembly is installed on both sides of the lower plate 1, the rotating assembly includes a rotating sleeve 5 and a rotating rod 6, the inner side of the rotating rod 6 is installed with a clamping assembly, the clamping assembly includes a clamping column 7 and a spring 8, a connecting assembly is installed on the inner side of the lower plate 1, the connecting assembly includes an insert block 11 and a socket 12, a locking assembly is installed on the inner side of the insert block 11, the locking assembly includes a bayonet 13 and a spring 14, a splicing assembly is installed on the support plate 3 and the support rod 4, the splicing assembly includes a connecting port 15 and a through port 16, the connecting port 15 is opened on the inner side of the support plate 3, the connecting port 15 is located at the top of one end of the support rod 4, and the height and width of the connecting port 15 are equal to the height and width of the support rod 4 The width of the through openings 16 is respectively opened on the inner sides of the two ends of the support rod 4, and the inner sides of the through openings 16 are clamped with rivets 17, one end of the rivet 17 is clamped on the top of the support rod 4, and the other end of the rivet 17 passes through the through openings 16 and extends to the bottom of the support rod 4. When in use, when the foundation pit is deep and it is inconvenient for personnel to go up and down, one end of the remaining support rod 4 is inserted into the inner side of the connecting opening 15 in the support plate 3, and one end of the support rod 4 is clamped on the top of the other end of the other support rod 4, and the through openings 16 on the two support rods 4 are aligned, and then the two support rods 4 are fixed with rivets 17, and then the support rod 4 and the support plate 3 are spliced and fixed to each other to form the shape of a staircase, and the top and bottom ends of the support rod 4 are placed at the bottom and top of the foundation pit, and personnel use the support plate 3 to go up and down the foundation pit, without the need for personnel to climb barehanded or dig stairs on the foundation pit, which is convenient for personnel to go up and down and saves manpower consumption.
[0024] In this embodiment, the rotating sleeve 5 is welded on both sides of the top of the lower plate 1, and the rotating rod 6 is welded on both sides of the bottom of the upper plate 2. The rotating sleeve 5 is sleeved on the outer side of the rotating rod 6. A bayonet 9 is provided on the inner wall of the rotating sleeve 5, and a card slot is provided on the inner side of the rotating rod 6. One end of the card column 7 is connected to the inner wall of the card slot through a spring 8, and the other end of the card column 7 passes through the card slot and extends to the inner side of the bayonet 9. Openings 10 are provided on both sides of the rotating sleeve 5, and a card slot is provided on the inner side of the rotating sleeve 5. The retaining groove is evenly distributed on both sides of the rotating sleeve 5. One end of the support rod 4 is welded to one side of the support plate 3. The socket 12 is opened on the inner side of the lower plate 1. The plug block 11 is welded to the other side of the support plate 3. The plug block 11 is stuck in the inner side of the socket 12. A pin hole is opened on the inner side of the plug block 11. One end of the bayonet 13 is connected to the inner wall of the pin hole through a spring 14. The other end of the bayonet 13 passes through the pin hole and extends to the inner side of the socket 12. When in use, the support plate 3 is The upper plug block 11 is inserted into the inner side of the socket 12 in the lower plate 1, and the bayonet 13 is clamped on the inner side of the socket 12 under the elastic force of the spring 14, and then the rivet 17 is inserted into the ground, so that the lower plate 1 and the upper plate 2 are fixed around the foundation pit. When encountering strong winds, the upper plate 2 is subjected to a greater force of the strong wind, so that the rotating rod 6 drives the card column 7 to rotate to one side, and the force of the card column 7 being squeezed by the bayonet 9 in the rotating sleeve 5 is greater than the elastic force of the spring 18 on the card column 7, so that the card column 7 It is pushed to the inside of the rotating rod 6, so that the upper plate 2 rotates downward on the inside of the rotating sleeve 5 through the rotating rod 6, and the clamping column 7 is blocked by the retaining groove, reducing the speed of the upper plate 2 rotating downward, avoiding excessive impact of the upper plate 2 with the ground, until the clamping column 7 rotates to the opening 10, the spring 18 pushes the clamping column 7 to the inside of the opening 10, and the top of the upper plate 2 rotates to the ground at this time, effectively reducing the windward area of the equipment, avoiding the upper plate 1 and the lower plate 2 from being damaged by strong wind, and ensuring the safety and firmness of the device.
[0025] When the municipal road foundation pit safety protection device is in use, the plug block 11 on the support plate 3 is inserted into the inner side of the socket 12 in the lower plate 1, and the latch pin 13 is clamped on the inner side of the socket 12 under the elastic force of the spring 14, and then the rivet 17 is inserted into the ground, thereby fixing the lower plate 1 and the upper plate 2 around the foundation pit. When encountering strong winds, the upper plate 2 is subjected to a greater blowing force of the strong wind, thereby causing the rotating rod 6 to drive the clamping column 7 to rotate to one side, and the squeezing force of the clamping column 7 on the clamping column 7 by the clamping socket 9 in the rotating sleeve 5 is greater than the elastic force of the spring 18 on the clamping column 7, thereby causing the clamping column 7 to be pushed to the inner side of the rotating rod 6, so that the upper plate 2 is rotated downward on the inner side of the rotating sleeve 5 through the rotating rod 6, and the clamping column 7 is blocked by the retaining groove, thereby reducing the speed of the upper plate 2 rotating downward, and avoiding excessive impact between the upper plate 2 and the ground, until the clamping column 7 rotates to the opening 10, the spring 18 pushes the clamping column 7 When the upper and lower plates 1 and 2 are moved to the inner side of the opening 10, the top of the upper plate 2 is rotated to the ground, which effectively reduces the windward area of the equipment, avoids the upper and lower plates 1 and 2 being damaged by strong winds, and ensures the safety and firmness of the device. When the foundation pit is deep and it is inconvenient for personnel to go up and down, one end of the remaining support rod 4 is inserted into the inner side of the connecting opening 15 in the support plate 3, and one end of the support rod 4 is clamped on the top of the other end of the other support rod 4, and the through openings 16 on the two support rods 4 are aligned, and then the two support rods 4 are fixed with rivets 17, and then the support rods 4 and the support plates 3 are spliced and fixed to each other to form the shape of stairs, and the top and bottom ends of the support rods 4 are placed at the bottom and top of the foundation pit. Personnel use the support plate 3 to go up and down the foundation pit, and there is no need for personnel to climb barehanded or dig steps on the foundation pit, which is convenient for personnel to go up and down and saves manpower.
[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A municipal road foundation pit safety protection device, comprising a lower plate (1) and an upper plate (2), a support assembly is installed on one side of the lower plate (1), and the support assembly comprises a support plate (3) and a support rod (4), characterized in that: A rotating assembly is installed on both sides of the lower plate (1), and the rotating assembly includes a rotating sleeve (5) and a rotating rod (6). A clamping assembly is installed on the inner side of the rotating rod (6), and the clamping assembly includes a clamping column (7) and a spring (8). A connecting assembly is installed on the inner side of the lower plate (1), and the connecting assembly includes an insert block (11) and a socket (12). A locking assembly is installed on the inner side of the insert block (11), and the locking assembly includes a latch pin (13) and a spring (14). A splicing assembly is installed on the support plate (3) and the support rod (4), and the splicing assembly includes a connecting port (15) and a through port (16).
2. A municipal road foundation pit safety protection device according to claim 1, characterized in that: The rotating sleeve (5) is welded to both sides of the top of the lower plate (1), the rotating rod (6) is welded to both sides of the bottom of the upper plate (2), and the rotating sleeve (5) is sleeved on the outer side of the rotating rod (6).
3. A municipal road foundation pit safety protection device according to claim 2, characterized in that: A bayonet (9) is provided on the inner wall of the rotating sleeve (5), a clamping groove is provided on the inner side of the rotating rod (6), and one end of the clamping column (7) is connected to the inner wall of the clamping groove via a spring (8).
4. A municipal road foundation pit safety protection device according to claim 3, characterized in that: The other end of the clamping column (7) passes through the clamping slot and extends to the inner side of the clamping port (9). Openings (10) are provided on both sides of the rotating sleeve (5). The inner side of the rotating sleeve (5) is provided with retaining grooves, and the retaining grooves are evenly distributed on both sides of the rotating sleeve (5).
5. A municipal road foundation pit safety protection device according to claim 1, characterized in that: One end of the support rod (4) is welded to one side of the support plate (3), the socket (12) is opened on the inner side of the lower plate (1), the plug block (11) is welded to the other side of the support plate (3), and the plug block (11) is clamped on the inner side of the socket (12).
6. A municipal road foundation pit safety protection device according to claim 5, characterized in that: A pin hole is provided on the inner side of the insert block (11), one end of the bayonet pin (13) is connected to the inner wall of the pin hole via a second spring (14), and the other end of the bayonet pin (13) passes through the pin hole and extends to the inner side of the socket (12).
7. A municipal road foundation pit safety protection device according to claim 6, characterized in that: The connection opening (15) is opened on the inner side of the support plate (3), and the connection opening (15) is located at the top of one end of the support rod (4). The height and width of the connection opening (15) are equal to the height and width of the support rod (4).
8. A municipal road foundation pit safety protection device according to claim 7, characterized in that: The through openings (16) are respectively opened on the inner sides of both ends of the support rod (4), and a rivet (17) is clamped on the inner side of the through opening (16). One end of the rivet (17) is clamped on the top of the support rod (4), and the other end of the rivet (17) passes through the through opening (16) and extends to the bottom of the support rod (4).
Citation Information
Patent Citations
Safety protection device of municipal road foundation pit
CN202039371U