Automatic reset fence structure

Abstract

The utility model provides an automatic reset fence structure which comprises a first movable fence, a second movable fence and a connecting part, and the first movable fence and the second movable fence comprise outer frames and grids arranged in the outer frames. The sides, close to the fixed object, of the first movable fence and the second movable fence are hinged to the fixed object through spring hinges correspondingly, and the connecting part comprises rotating shafts arranged in outer frames, close to the sides, of the first movable fence and the second movable fence. The limiting rod penetrates through and is connected with a rotating shaft of the first movable fence and a rotating shaft of the second movable fence, stopping parts are arranged at the two ends of the limiting rod, a road gap can be formed between an obstacle and the fence by bending the movable fence, and a worker can pass through some positions where the obstacle is inconvenient to pass through; the spring hinges are connected with the fixed objects on the two sides, so that collision between the travelling crane and the fence due to the fact that workers forget to reset after passing is avoided.

Description

Technical Field

[0001] This utility model relates to the field of fence technology, and in particular to an automatic reset fence structure. Background Technology

[0002] Factory design often requires the design of large bridge cranes based on the equipment maintenance requirements of the project. Large bridge cranes need to be designed with maintenance access for daily maintenance and upkeep, so as to improve maintenance efficiency and operational safety.

[0003] During the design of the factory's steel structure, to reduce the amount of steel used in the columns and crane tracks and lower costs, the overall structure was optimized while ensuring safety. After optimization, the crane tracks of the rear overpass crane were aligned with the maintenance access, and the columns were placed within the maintenance access, thus reducing its space. Figure 1 As shown.

[0004] This structure significantly reduces steel usage, effectively reducing the operating cost of the crane. However, it also results in the distance between the crane rail and the column being too close, typically less than 600mm. A 450mm space needs to be left between the fence and the crane rail to provide safe operating space for the crane. This results in the distance between the column and the fence being less than 150mm. According to the mandatory requirements for working at height, a fence must be designed on the open side to ensure the safety of working at height. However, due to the narrow space between the column and the fence, conventional fences cannot meet the passage requirements for personnel.

[0005] Therefore, to meet the current design requirements, a fence is needed that will not occupy the operating space of the equipment, while still allowing people to pass through in some narrow locations. Utility Model Content

[0006] To address the problems existing in the prior art, this utility model provides an automatic reset fence structure, which is disposed between two fixed objects on both sides. It includes a first movable fence, a second movable fence, and a connecting part. The first movable fence and the second movable fence include an outer frame and a grid disposed in the outer frame. The first movable fence and the second movable fence are respectively hinged to the fixed object on the side near the fixed object by spring hinges. The connecting part includes a rotating shaft disposed in the outer frame of the first movable fence and the second movable fence on the side near the fixed object, and a limiting rod passing through and connecting the rotating shaft of the first movable fence and the second movable fence. The limiting rod is provided with stop parts at both ends.

[0007] Specifically, the fixed object is a fixed fence.

[0008] Specifically, a fixed post is provided at the top of the outer frame, and a tension spring is provided between the fixed posts of the first movable fence and the second movable fence.

[0009] Specifically, the first movable fence and the second movable fence are respectively provided with two rotating shafts on their upper and lower sides, and the rotating shafts are provided with through holes.

[0010] Specifically, there are two limiting rods, which pass through the through holes of the rotating shafts on both sides and are arranged in parallel.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This utility model provides an automatic reset fence structure. Two movable fences are designed between two fixed fences on both sides. The movable fences are movably connected by a limiting rod with a stop at both ends. The two sides of the movable fences are hinged by spring hinges. By bending the movable fences, a road gap is formed between the obstacle and the fence. Workers can pass through some positions that are inconvenient to pass through due to obstacles. The spring hinges are connected to the fixed objects on both sides, and a tension spring is set between the two movable fences. After the worker passes through, the fence automatically resets under the joint traction of the tension spring and the spring hinge, avoiding collisions between vehicles and fences caused by workers forgetting to reset after passing through. Attached Figure Description

[0013] Figure 1 This is a perspective view of the overall structure of this utility model;

[0014] Figure 2 This is an enlarged view of part A;

[0015] Figure 3 This is a cross-sectional view of the fence structure.

[0016] Reference numerals in the attached drawings: 1. Maintenance passage; 11. Fixed fence; 12. First movable fence; 13. Second movable fence; 14. Spring hinge; 15. Rotating shaft; 16. Limiting rod; 17. Stop; 18. Fixed column; 19. Tension spring; 2. Column; 3. Traveling track; 4. Traveling car. Detailed Implementation

[0017] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0018] 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," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] As shown in the figure, this utility model provides an automatically resetting fence structure, including a first movable fence 12 and a second movable fence 13, and a connecting part connecting the first movable fence 12 and the second movable fence 13. The first movable fence 12 and the second movable fence 13 are movably connected to fixed fences 11 set on both sides by spring hinges 14. The first movable fence 12 and the second movable fence 13 are set at the edge of the maintenance passage 1, located on the opposite side of the I-beam steel column 2 that supports the bridge crane in the maintenance passage 1. This automatically resetting fence isolates the maintenance passage 1 from the crane track 3. By bending the first movable fence 12 and the second movable fence 13, a road gap is formed between the obstacle and the fence, so that workers can pass through extremely narrow places such as roads blocked by the column 2. The fence adopts an automatic resetting design, and the fence automatically resets after the workers pass through, which can prevent the crane 4 from colliding with the fence due to the workers forgetting to reset it after passing through.

[0020] The first movable fence 12 and the second movable fence 13 include an outer frame and a grid set in the outer frame. A spring hinge 14 that is hinged to the fixed fence 11 is provided on one side of the outer frame. Two spring hinges 14 are provided on each side, located on the upper and lower sides of the outer frame respectively. A torsion spring is provided in the spring hinge 14 so that the first movable fence 12 and the second movable fence 13 automatically reset after personnel pass through.

[0021] The connecting part is located near the first movable fence 12 and the second movable fence 13, and includes a rotating shaft 15 disposed in the outer frame and a limiting rod 16 passing through and connecting the two rotating shafts 15. The first movable fence 12 and the second movable fence 13 each have two coaxially arranged rotating shafts, with the upper and lower ends of the rotating shaft 15 rotatably connected to the outer frame, and a horizontal through hole provided in the rotating shaft 15. Stop blocks 17 are respectively provided at both ends of the limiting rod 16. The limiting rod limits the opening and closing angle of the first movable fence 12 and the second movable fence 13 by limiting the distance between them.

[0022] The top of the outer frame of the first movable fence 12 and the second movable fence 13 is provided with a fixing post 18, and a tension spring 19 is provided between the two fixing posts 18. The two ends of the tension spring 19 are connected to the fixing posts 18 by welding or by hooks at both ends of the tension spring 19. The tension spring 19 further enhances the automatic reset capability of the fence. When the first movable fence 12 and the second movable fence 13 are bent, the distance between the two fixing posts 18 increases, and the first movable fence 12 and the second movable fence 13 are further reset under the tension of the tension spring 19.

[0023] In use, the staff pushes the first movable fence 12 or the second movable fence 13 outward to bend the movable fence. The first movable fence 12 and the second movable fence 13 rotate and separate around the spring hinge 14, increasing the passage space for the staff. The limiting rod 16 restricts the opening and closing angle of the first movable fence 12 and the second movable fence 13. After passing through, the first movable fence 12 and the second movable fence 13 automatically reset under the joint traction of the tension spring 19 and the spring hinge 14.

[0024] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An automatic reset fence structure disposed between two fixed objects, characterized by, The utility model relates to a fence, which comprises a first movable fence (12), a second movable fence (13) and a connecting part, the first movable fence (12) and the second movable fence (13) comprise an outer frame and a grid arranged in the outer frame, the first movable fence (12) and the second movable fence (13) are respectively hinged to a fixed object through spring hinges (14) on the side close to the fixed object, the connecting part comprises a rotating shaft (15) arranged in the outer frame on the close side of the first movable fence (12) and the second movable fence (13), and a limiting rod (16) penetrating through and connecting the rotating shaft (15) of the first movable fence (12) and the second movable fence (13), and the limiting rod (16) is provided with a stop part (17) at both ends.

2. The self-resetting fence structure of claim 1, wherein, The fixed object is a fixed fence (11).

3. The self-resetting fence structure of claim 1, wherein, A fixed column (18) is arranged on the top of the outer frame, and a tension spring (19) is arranged between the fixed columns (18) of the first movable fence (12) and the second movable fence (13).

4. The self-resetting fence structure of claim 1, wherein, Two rotating shafts (15) are coaxially arranged on the upper and lower sides of the first movable fence (12) and the second movable fence (13) respectively, and through holes are arranged in the rotating shafts (15).

5. An automatic reset fence structure according to claim 4, wherein The limiting rod is two, and the two limiting rods penetrate through the through holes of the rotating shafts (15) on both sides and are arranged in parallel.

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