Roadbed construction protection device

Abstract

The utility model discloses a protective device for roadbed construction, which belongs to the technical field of roadbed construction protection and comprises a fixing frame, a supporting base is fixedly mounted at the bottom end of the fixing frame, and one end of the fixing frame is rotatably connected with a protective fence for performing safety protection on an external construction site of a building. Expansion mechanisms used for expanding the protective range of the protective fence are slidably installed on the two sides of the protective fence, a supporting mechanism used for positioning the protective fence is fixedly installed at the end, away from the protective fence, of the fixing frame, and the protective range of the protective fence is flexibly adjusted through the expansion mechanisms. The expansion plates and the protective fence can be matched with each other to adjust the size of the needed protective fence, so that the optimal protective effect is achieved, the limitation of the size of the device is reduced, the applicability of the device is improved, and meanwhile, the protective fence and the expansion plates are distributed in a staggered manner, so that subsequent disassembly and storage are facilitated, the storage space is saved, and convenience is provided for subsequent storage and transportation.

Description

Technical Field

[0001] The utility model relates to the technical field of subgrade construction protection, in particular to a subgrade construction protection device. Background Technique

[0002] In the construction of road subgrade, in order to prevent non-construction personnel and vehicles from entering the subgrade construction area, protective fences are laid along the edge of the construction area to demarcate the construction site and the traffic road, ensuring construction safety and traffic order.

[0003] The Chinese patent discloses a foundation pit protection frame for building construction (publication number: CN222227317U). This patent includes a support base, a positioning plate, and a convenient storage mechanism for the protection structure. Among them, the positioning plates are symmetrically and fixedly connected to both ends of the support base. The convenient storage mechanism for the protection structure includes a guiding sleeve plate, a rotating rod, a storage sleeve plate, a protection component, and a positioning component. Among them, the guiding sleeve plate is fixedly connected to the top of the support base. One end of the storage sleeve plate is rotatably connected to one end of the guiding sleeve plate through the rotating rod. The protection component is installed on the inner wall of the storage sleeve plate, and the positioning component is installed at the other end of the guiding sleeve plate;

[0004] Therefore, based on the above retrieval and combined with the existing ones, for subgrade construction projects of different scales, the sizes and shapes of the construction sites are different, and the sizes of the required protective fences are also different. However, the size of the protection frame in this patent is fixed. In large projects, due to insufficient size, a lot of protection frames may need to be spliced together, which increases the splicing cost and installation time, wastes manpower and material resources, and delays the construction progress. Content of the Utility Model

[0005] The purpose of the utility model is to provide a subgrade construction protection device to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A subgrade construction protection device includes a fixed frame. A support base is fixedly installed at the bottom end of the fixed frame. One end of the fixed frame is rotatably connected to a protective fence for safety protection of the construction site outside the building. Expansion mechanisms for expanding the protection range of the protective fence are slidably installed on both sides of the protective fence. A support mechanism for positioning the protective fence is fixedly installed at the end of the fixed frame away from the protective fence;

[0008] The expansion mechanism includes expansion plates. There are two expansion plates in total and they are located on both sides of the protective fence. One end of the fixed frame is rotatably connected to a driving mechanism for driving the expansion plates to expand and contract. The driving mechanism drives the two expansion plates to slide and expand synchronously along the protective fence to increase the protection area of the protective fence. A warning light for warning is fixedly installed on the top surface of each expansion plate.

[0009] As a further solution of the present utility model, the driving mechanism includes a rotating rod, a driving plate and a transmission rod. One end of the rotating rod is rotatably connected to the fixed frame through a bearing. The driving plate is fixedly sleeved on the outer wall of the rotating rod. Two transmission rods are provided and are symmetrically and evenly rotatably sleeved at both ends of the driving plate through pins. One end of each of the two transmission rods away from the driving plate is rotatably connected to the expansion plate through a pin shaft.

[0010] As a further solution of the present utility model, a moving bar for assisting the stable sliding and expansion of the expansion plate is fixedly connected to the outer wall of each expansion plate through a pin shaft. A sliding groove for providing sliding of the moving bar is opened in the inner cavity of the fixed frame, and the moving bar is slidably connected in the sliding groove.

[0011] As a further solution of the present utility model, a moving rod for driving the guardrail to rotate and be flush with the expansion plate is fixedly installed on the outer wall of the guardrail. A moving hole is opened in the driving plate, and the moving rod is slidably inserted into the moving hole.

[0012] As a further solution of the present utility model, the support mechanism includes a support rod. The support rod is located on one side of the fixed frame. A fixed groove plate is fixedly connected to the outer wall of the fixed frame. The fixed groove plate and the support rod are slidably connected through an adjusting mechanism, and the adjusting mechanism is used to control the storage of the support rod.

[0013] As a further solution of the present utility model, the adjusting mechanism includes a moving member. The moving member is located on one side of the fixed groove plate. One side of the moving member is rotatably connected to the support rod. A moving block for driving the support rod to slide upward and contract is fixedly connected to the side of the moving member away from the support rod.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. When the present utility model is used, the protection range of the guardrail is flexibly adjusted through the expansion mechanism. When facing subgrade construction projects of different scales, the expansion plate and the guardrail can be used in cooperation to adjust the size of the required guardrail to achieve the optimal protection effect, reduce the limitation of the device by size, improve the applicability of the device. At the same time, the guardrail and the expansion plate are staggered for subsequent disassembly and storage, saving storage space, providing convenience for subsequent storage and transportation, and also facilitating transfer and use between different construction projects, further improving the practicability and economy of the entire protection device.

[0016] 2. When the utility model is in use, through the driving mechanism and auxiliary components, the positional relationship between the protective fence and the expansion plate can be flexibly adjusted when it is necessary to expand the protection range, ensuring that the expansion plate is flush with the protective fence in the unfolded state. At the same time, the movable rod and the auxiliary rod cooperate with each other to ensure the stability and accuracy of the protective fence and the expansion plate during the movement process, providing a strong guarantee for the safety of subgrade construction, reducing potential safety hazards caused by problems with the protection device itself, and improving construction safety and efficiency. Brief Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of a subgrade construction protection device.

[0018] Figure 2 It is a front view of the overall structure of a subgrade construction protection device.

[0019] Figure 3 It is a structural diagram of the expansion mechanism in a subgrade construction protection device.

[0020] Figure 4 It is a front view of the expansion mechanism in a subgrade construction protection device.

[0021] Figure 5 It is an exploded view of the support mechanism in a subgrade construction protection device.

[0022] In the figure: 1. Fixed frame; 2. Support base; 3. Protective fence; 4. Expansion plate; 401. Rotating rod; 402. Driving plate; 403. Transmission rod; 404. Knob; 405. Movable strip; 406. Support frame; 407. Movable rod; 408. Rotating disk; 409. Auxiliary rod; 5. Support rod; 501. Fixed groove plate; 502. Movable part; 503. Movable block; 6. Warning light. Detailed Description of the Preferred Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: Please refer to Figures 1 to 4 , a subgrade construction protection device, including a fixed frame 1, a support base 2 is fixedly installed at the bottom end of the fixed frame 1, one end of the fixed frame 1 is rotatably connected to a protective fence 3 for safety protection of the construction site outside the building, expansion mechanisms for expanding the protection range of the protective fence 3 are slidably installed on both sides of the protective fence 3, and a support mechanism for positioning the protective fence 3 is fixedly installed at one end of the fixed frame 1 away from the protective fence 3;

[0025] The expansion mechanism includes an expansion plate 4, two expansion plates 4 are provided and are located on both sides of the guardrail 3, one end of the fixed frame 1 is rotatably connected to a driving mechanism for driving the expansion plate 4 to extend and retract, and the two expansion plates 4 are driven by the driving mechanism to slide and expand synchronously along the guardrail 3 to increase the protection area of ​​the guardrail 3, and a warning light 6 for warning is fixedly installed on the top surface of each expansion plate 4;

[0026] Specifically, two support bases 2 are provided and fixedly connected to the bottom surface of the fixing frame 1. A support sheet is fixedly connected to the bottom end of the support base 2 to increase the force-bearing area of ​​the support base 2. The gravity of the entire device is evenly dispersed on the ground with the help of the support sheet, thereby effectively enhancing the stability and bearing capacity of the entire structure. The guardrail 3 is located at the center between the two expansion plates 4, and the guardrail 3 and the expansion plates 4 are staggered.

[0027] The driving mechanism includes a rotating rod 401, a driving plate 402 and a transmission rod 403. One end of the rotating rod 401 is rotatably connected to the fixing frame 1 through a bearing. The driving plate 402 is fixedly sleeved on the outer wall of the rotating rod 401. Two transmission rods 403 are provided and are symmetrically and evenly rotatably sleeved on both ends of the driving plate 402 through a pin shaft. One end of the two transmission rods 403 away from the driving plate 402 is rotatably connected to the expansion plate 4 through a pin shaft.

[0028] Specifically, one end of the rotating rod 401 away from the guardrail 3 passes through the fixed frame 1 and is fixedly connected with a knob 404 for driving the rotating rod 401 to rotate;

[0029] The outer wall of each expansion plate 4 is fixedly connected to a moving bar 405 for assisting the expansion plate 4 to slide and expand smoothly through a pin shaft, and the inner cavity of the fixing frame 1 is provided with a sliding groove for providing sliding of the moving bar 405, and the moving bar 405 is slidably connected in the sliding groove;

[0030] Specifically, a support frame 406 for strengthening the support force of the expansion plate 4 is fixedly installed on one side of each expansion plate 4 close to the moving bar 405, and the pins in the transmission rod 403 and the moving bar 405 are all passed through the support frame 406 and are fixedly connected to the expansion plate 4. The support frame 406 enhances the structural strength and stability of the expansion plate 4 during the expansion process, ensuring that the expansion plate 4 can maintain a good working state when subjected to a large external force, and avoid deformation, damage, etc.;

[0031] The outer wall of the guardrail 3 is fixedly installed with a moving rod 407 for driving the guardrail 3 to rotate flush with the expansion plate 4. A moving hole is opened inside the driving plate 402, and the moving rod 407 is slidably inserted into the moving hole.

[0032] Specifically, there are two moving rods 407 in total, which are symmetrically and evenly distributed on both sides of the driving plate 402 to facilitate enhancing the stability of the guardrail 3. Damping coatings are applied to the outer walls of each moving rod 407 and the inner walls of the moving holes to avoid the impact and vibration generated by rapid movement and achieve the slow movement of the guardrail 3;

[0033] One end of the rotating rod 401 away from the fixing frame 1 is rotatably connected to a rotating disk 408 through a bearing, and the rotating disk 408 is fixedly connected to the fixing frame 1. A sliding connection is provided on the top surface of the rotating disk 408 with an auxiliary rod 409 for assisting the guardrail 3 to be flush with the expansion plate 4, and the auxiliary rod 409 is fixedly located on one side of the guardrail 3;

[0034] Specifically, a moving groove for providing sliding for the auxiliary rod 409 is opened on one side of the rotating disk 408 close to the guardrail 3, and the auxiliary rod 409 is located in the moving groove. A reset groove for assisting the guardrail 3 to reset is arranged inside the moving groove, and the reset groove is V-shaped. A magnetic block is arranged at the bottom end of the reset groove. When the driving plate 402 drives the moving rod 407 to drive the guardrail 3 to rotate, the guardrail 3 drives the auxiliary rod 409 to slide along the rotating disk 408. When the auxiliary rod 409 slides to the reset groove, with the adsorption of the magnetic block, it guides the auxiliary rod 409 to move downward along the reset groove, driving the guardrail 3 closer to the fixing frame 1 to achieve the horizontal flush between the guardrail 3 and the expansion plate 4. On the contrary, when the above operation is repeated in the reverse direction to make the auxiliary rod 409 move upward along the reset groove, it assists the guardrail 3 to move away from the fixing frame 1 to achieve reset, so that a height difference is formed again between the guardrail 3 and the expansion plate 4 to create space for the subsequent retraction and storage of the expansion plate 4;

[0035] More specifically, when the guardrail 3 approaches the fixing frame 1, the moving rod 407 gradually moves along the moving hole. The moving rod 407 can achieve seamless cooperation with the guardrail 3, the auxiliary rod 409, and the rotating disk 408 to jointly complete the precise positioning and stable fixing of the guardrail 3, further improving the reliability and stability of the entire guardrail 3.

[0036] Embodiment 2: Please refer to Figure 1 、 Figure 2 、 Figure 5 , the support mechanism includes a support rod 5. The support rod 5 is located on one side of the fixing frame 1. A fixing groove plate 501 is fixedly connected to the outer wall of the fixing frame 1. The fixing groove plate 501 and the support rod 5 are slidably connected through an adjusting mechanism, and the adjusting mechanism is used to control the retraction of the support rod 5;

[0037] The adjusting mechanism includes a moving member 502. The moving member 502 is located on one side of the fixing groove plate 501. One side of the moving member 502 away from the fixing groove plate 501 is rotatably connected to the support rod 5. One side of the moving member 502 away from the support rod 5 is fixedly connected to a moving block 503 for driving the support rod 5 to slide upward and contract;

[0038] Specifically, the inner cavity of the fixed slot plate 501 is provided with an adjustment slot for providing sliding of the moving block 503, and the moving block 503 is located in the adjustment slot. By pushing the support rod 5 to drive the moving member 502 to move the moving block 503 upward along the adjustment slot, the support rod 5 is retracted. At the same time, the upper and lower ends of the outer wall of the fixed slot plate 501 are provided with threaded slots. Bolts are inserted into the threaded slots at the upper end, and the bolts are tightened to make the moving member 502 fit tightly with the fixed slot plate 501, so as to fix and limit the upwardly moved support rod 5.

[0039] More specifically, a bolt is inserted into the inner cavity thread of the moving member 502 , and the bolt passes through one end of the support rod 5 and is fixedly connected with a double-ear nut. The inclination angle of the support rod 5 is adjusted by rotating the double-ear nut.

[0040] The working principle of the utility model is:

[0041] First, the entire device is preliminarily supported by the support base 2, and then the support rod 5 is pulled to drive the moving part 502 to move downward, and the moving block 503 on one side of the moving part 502 slides along the adjustment groove of the fixed groove plate 501, and the support rod 5 is rotated to a suitable angle, and the support rod 5 is inserted into the ground to cooperate with the support base 2 to support and fix the entire device, and the support rod 5 is pushed to drive the moving block 503 to move upward to achieve contraction. At the same time, the position of the moving part 502 is fixed by bolts, and then the support rod 5 is fixed and limited, and the bolts and double-ear nuts in the moving part 502 are cooperated to limit and adjust the inclination angle of the support rod 5;

[0042] Then, the knob 404 is twisted to drive the rotating rod 401 to rotate, so that the driving plate 402 pushes the transmission rod 403 to drive the expansion plate 4 to move and expand to both sides, and at the same time, the driving plate 402 drives the moving rod 407 to control the guardrail 3 to rotate accordingly, driving the auxiliary rod 409 connected to one side of the guardrail 3 to rotate along the rotating disk 408, and using the adsorption of the magnetic block to guide the auxiliary rod 409 to move down along the reset groove, so that the guardrail 3 gradually approaches the fixed frame 1, so as to be flush with the expansion plate 4 and reduce the height difference; on the contrary, the knob 404 is twisted in the opposite direction, and the driving plate 402 rotates in the opposite direction to drive the expansion plate 4 to shrink and reset, and at the same time, the auxiliary rod 409 is separated from the magnetic block when moving up along the reset groove, thereby controlling the guardrail 3 to gradually move away from the fixed frame 1, so that a gap is formed between the guardrail 3 and the expansion plate 4 again, so as to provide space for the storage of the expansion plate 4 and reduce the scope of use;

[0043] In addition, when the expansion plate 4 telescopes, it drives the moving bar 405 to slide along the sliding groove of the fixed frame 1 to ensure the smooth movement of the expansion plate 4. When the guardrail 3 moves, it drives the moving rod 407 to gradually move along the moving hole of the driving plate 402 to enhance the stability of the movement of the guardrail 3.

[0044] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A roadbed construction protection device, comprising a fixing frame (1), characterized in that: A support base (2) is fixedly mounted on the bottom end of the fixing frame (1); one end of the fixing frame (1) is rotatably connected to a guardrail (3) for providing safety protection for a construction site outside a building; expansion mechanisms for expanding the protection range of the guardrail (3) are slidably mounted on both sides of the guardrail (3); and a support mechanism for positioning the guardrail (3) is fixedly mounted on one end of the fixing frame (1) away from the guardrail (3); The expansion mechanism comprises an expansion plate (4), wherein two expansion plates (4) are provided and are located on both sides of the guardrail (3), one end of the fixed frame (1) is rotatably connected to a driving mechanism for driving the expansion plate (4) to extend and retract, and the driving mechanism drives the two expansion plates (4) to slide and expand synchronously along the guardrail (3) to increase the protection area of ​​the guardrail (3), and a warning light (6) for warning is fixedly mounted on the top surface of each expansion plate (4).

2. A roadbed construction protection device according to claim 1, characterized in that: The driving mechanism comprises a rotating rod (401), a driving plate (402) and a transmission rod (403); one end of the rotating rod (401) is rotatably connected to a fixed frame (1) via a bearing; the driving plate (402) is fixedly sleeved on an outer wall of the rotating rod (401); two transmission rods (403) are provided and are symmetrically and evenly rotatably sleeved on both ends of the driving plate (402) via a pin shaft; one end of the two transmission rods (403) away from the driving plate (402) is rotatably connected to the expansion plate (4) via a pin shaft.

3. A roadbed construction protection device according to claim 2, characterized in that: The outer wall of each expansion plate (4) is fixedly connected to a moving bar (405) via a pin shaft for assisting the expansion plate (4) to slide and expand smoothly, and the inner cavity of the fixed frame (1) is provided with a sliding groove for providing sliding for the moving bar (405), and the moving bar (405) is slidably connected in the sliding groove.

4. A roadbed construction protection device according to claim 2, characterized in that: A moving rod (407) is fixedly mounted on the outer wall of the guardrail (3) and is used to drive the guardrail (3) to rotate to be flush with the expansion plate (4). A moving hole is provided inside the driving plate (402), and the moving rod (407) is slidably inserted into the moving hole.

5. A roadbed construction protection device according to claim 1, characterized in that: The support mechanism comprises a support rod (5), the support rod (5) being located at one side of a fixing frame (1), a fixing slot plate (501) being fixedly connected to an outer wall of the fixing frame (1), the fixing slot plate (501) and the support rod (5) being slidably connected via an adjustment mechanism, and the adjustment mechanism is used to control the storage of the support rod (5).

6. A roadbed construction protection device according to claim 5, characterized in that: The adjustment mechanism comprises a moving member (502), the moving member (502) being located on one side of the fixed slot plate (501), one side of the moving member (502) being rotatably connected to the support rod (5), and a moving block (503) for driving the support rod (5) to slide upward and retract is fixedly connected to the side of the moving member (502) away from the support rod (5).

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