Protective fence for engineering construction

Abstract

The utility model discloses a protective fence for engineering construction, which comprises a main body, two groups of symmetrically distributed first extension frames are arranged on the two sides of the main body, the two groups of first extension frames are in sliding connection with the main body, second extension frames are arranged in the two groups of first extension frames, and the second extension frames are in sliding connection with the first extension frames. A sliding sleeve is arranged between the two sets of second extension frames, the two sets of second extension frames are both in sliding connection with the sliding sleeve, two sets of supporting legs which are symmetrically distributed are arranged on the main body, and the two sets of supporting legs are both rotationally connected with the main body through mounting shafts; the two sets of first extension frames and the two sets of second extension frames are matched with the protection net to adjust the transverse protection range and the longitudinal protection range of the protection fence, the application range of the protection fence is widened, and workers can conduct adaptive adjustment on the protection fence on different use occasions conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of protective fences, in particular to a protective enclosure used for engineering construction. Background Art

[0002] Construction projects refer to a general term for various buildings and engineering facilities that provide the material and technical basis for human life and production. Construction projects are organized, purposeful, large-scale economic activities of human beings. According to their natural attributes, construction projects can be divided into three categories: architectural engineering, civil engineering, and mechanical and electrical engineering. In order to ensure the safety of the construction site, protective fences are often required to isolate the construction site from the external environment.

[0003] Referring to the Chinese patent application number: "CN 220539391 U" "A fence for construction engineering construction", this patent solves the problem that "existing fences are usually assembled by welding when in use, but in actual use, the length of the fence needs to be adjusted according to actual conditions, but the adjustment cannot be performed, thereby reducing the scope of use of the fence."

[0004] In this utility model, the lateral protection range of the protective fence is adjusted by adjusting the distance between the first warning plate and the second warning plate, but the longitudinal protection range of the protective fence cannot be adjusted. When the longitudinal protection height is low, the protective fence is easy to be climbed over, which reduces the protection effect. In addition, the existing protective fence has poor shrinkage and foldability, occupies a large space during transportation, reduces transportation efficiency and increases transportation costs. Utility Model Content

[0005] The purpose of the present invention is to provide a protective enclosure for engineering construction to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective fence for engineering construction, comprising a main body, two groups of symmetrically distributed first extension frames are provided on both sides of the main body, the two groups of first extension frames are both slidably connected to the main body, a second extension frame is provided in each of the two groups of first extension frames, the second extension frame is slidably connected to the first extension frame, a sliding sleeve is provided between the two groups of second extension frames, the two groups of second extension frames are both slidably connected to the sliding sleeve, two groups of symmetrically distributed support legs are provided on the main body, and the two groups of support legs are rotatably connected to the main body through mounting shafts.

[0007] As a further preferred embodiment of the present technical solution, a bidirectional screw rod is provided in the main body, and the two ends of the bidirectional screw rod respectively pass through the two sets of first extension frames and are threadedly connected to the first extension frames. A first bevel gear is sleeved on the bidirectional screw rod, and a second bevel gear is provided in the main body, and the second bevel gear is meshed with the first bevel gear.

[0008] As a further preferred embodiment of the present technical solution, a threaded rod is provided in the first extension frame, the lower end of the threaded rod passes through the first extension frame and is rotatably connected to the first extension frame through a bearing, the upper end of the threaded rod passes through the second extension frame and is threadedly connected to the second extension frame, a third bevel gear is sleeved on the threaded rod, a fourth bevel gear is provided in the first extension frame, and the fourth bevel gear is meshed with the third bevel gear.

[0009] As a further preferred embodiment of the present technical solution, three groups of mounting rods are provided in the main body, and the three groups of mounting rods are respectively arranged corresponding to the two groups of first extension frames and the sliding sleeves. Two groups of symmetrically distributed coil springs are provided at both ends of the mounting rods, and the inner and outer groups of the coil springs are respectively fixedly connected to the mounting rods and the main body. A protective net is sleeved on the mounting rod, and the end of the protective net away from the mounting rod is fixedly bonded to the corresponding first extension frame or the sliding sleeve.

[0010] As a further preferred embodiment of the present technical solution, a gear is sleeved on the mounting shaft, and two groups of symmetrically distributed racks are provided in the main body. The two groups of racks are fixedly connected by a connecting frame, and the connecting frame and the racks are both slidably connected to the main body. The two groups of racks are respectively meshed with the corresponding installed gears, a sliding rod is provided in the main body, and two groups of fixed rods are fixedly installed in the main body.

[0011] As a further preferred embodiment of the present technical solution, both ends of the connecting frame are provided with a clamping plate, the two groups of fixed rods are respectively arranged corresponding to the two groups of clamping plates, two groups of symmetrically distributed clamping rods are sleeved on the fixed rods, a torsion spring is sleeved on the fixed rods, the two ends of the torsion spring are respectively fixedly connected to the clamping rod and the fixed rod, and the clamping plate is movably clamped with the two groups of clamping rods.

[0012] As a further preferred embodiment of the present technical solution, the connecting frame is slidably sleeved with the sliding rod, the sliding rod is provided with a spring, and both ends of the spring are fixedly connected to the connecting frame and the main body respectively.

[0013] The utility model provides a protective enclosure for engineering construction, which has the following beneficial effects:

[0014] (1) The utility model adjusts the horizontal and vertical protection ranges of the protective enclosure by means of the two sets of first extension frames and the second extension frame in cooperation with the protective net, thereby expanding the applicable range of the protective enclosure and facilitating the adaptive adjustment of the protective enclosure by the staff in different use occasions; by rotating the second bevel gear by the handle, the first bevel gear and the bidirectional screw are driven to rotate, thereby adjusting the extension distance of the two sets of first extension frames and the horizontal protection range of the protective enclosure; by rotating the fourth bevel gear by the handle, the third bevel gear and the threaded rod are driven to rotate, thereby adjusting the lifting height of the second extension frame in the first extension frame, thereby adjusting the longitudinal protection range of the protective enclosure; and when the positions of the first extension frame and the second extension frame change, the protective net fixedly connected to them in the main body will be driven to extend, thereby ensuring the protective function of the protective enclosure.

[0015] (2) The utility model provides a firm support for the placement of the protective enclosure by setting two groups of legs, thereby preventing the protective enclosure from tipping over during use, and the legs are folded and retracted by the provided racks and gears, thereby reducing the space occupied by the protective enclosure during transportation, ensuring transportation efficiency and saving transportation costs; the two groups of racks are synchronously moved by toggling the connecting frame, and the position of the racks is fixed when the racks slide and the lower clamping plate is engaged with the two groups of clamping rods. During the sliding process of the racks, the two groups of gears are driven to rotate in opposite directions, thereby opening the two symmetrically distributed groups of legs, and cooperating with the ground to provide triangular support for the protective enclosure when the protective enclosure is placed, thereby ensuring the stability of the protective enclosure. When transporting the protective enclosure, the connecting rod is toggled to make the two groups of racks slide until the upper clamping plate is engaged with the upper two groups of clamping rods, and the two groups of legs are folded and fit into the main body, thereby reducing the space occupied by the protective enclosure and improving transportation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the first extension frame of the present invention;

[0018] Figure 3 For the utility model Figure 2 -A magnified view of the structure;

[0019] Figure 4 This is a schematic structural diagram of the protective net of the present utility model;

[0020] Figure 5 For the utility model Figure 4 -A magnified view of the structure at point B;

[0021] Figure 6 This is a schematic structural diagram of the support legs of the present utility model;

[0022] Figure 7 For the utility model Figure 6 -A magnified view of the structure at C;

[0023] In the figure: 1. Main body; 2. First extension frame; 3. Bidirectional screw; 4. First bevel gear; 5. Second bevel gear; 6. Second extension frame; 7. Slide; 8. Threaded rod; 9. Third bevel gear; 10. Fourth bevel gear; 11. Mounting rod; 12. Coil spring; 13. Protective net; 14. Support leg; 15. Mounting shaft; 16. Gear; 17. Rack; 18. Connecting frame; 19. Sliding rod; 20. Spring; 21. Clamping plate; 22. Fixing rod; 23. Clamping rod; 24. Torsion spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, in this embodiment, a protective fence for engineering construction includes a main body 1, two groups of symmetrically distributed first extension frames 2 are provided on both sides of the main body 1, the two groups of first extension frames 2 are both slidably connected to the main body 1, and the two groups of first extension frames 2 are each provided with a second extension frame 6, the second extension frame 6 is slidably connected to the first extension frame 2, a sliding sleeve 7 is provided between the two groups of second extension frames 6, and the two groups of second extension frames 6 are both slidably connected to the sliding sleeve 7, two groups of symmetrically distributed support legs 14 are provided on the main body 1, and the two groups of support legs 14 are rotatably connected to the main body 1 through the installation shaft 15, a bidirectional screw rod 3 is provided in the main body 1, and the two ends of the bidirectional screw rod 3 respectively pass through the two groups of first extension frames 2 and are threadedly connected to the first extension frame 2, a first bevel gear 4 is sleeved on the bidirectional screw rod 3, a second bevel gear 5 is provided in the main body 1, and the second bevel gear 5 is meshed with the first bevel gear 4 Connection, a threaded rod 8 is provided in the first extension frame 2, the lower end of the threaded rod 8 passes through the first extension frame 2 and is rotatably connected to the first extension frame 2 through a bearing, the upper end of the threaded rod 8 passes through the second extension frame 6 and is threadedly connected to the second extension frame 6, a third bevel gear 9 is sleeved on the threaded rod 8, a fourth bevel gear 10 is provided in the first extension frame 2, the fourth bevel gear 10 is meshed with the third bevel gear 9, three groups of mounting rods 11 are provided in the main body 1, the three groups of mounting rods 11 are respectively corresponding to the two groups of first extension frames 2 and the sliding sleeve 7, two groups of symmetrically distributed disc springs 12 are provided at both ends of the mounting rod 11, the inner and outer groups of the disc spring 12 are respectively fixedly connected to the mounting rod 11 and the main body 1, a protective net 13 is sleeved on the mounting rod 11, and the end of the protective net 13 away from the mounting rod 11 is fixedly bonded to the corresponding first extension frame 2 or the sliding sleeve 7.

[0026] By setting up two sets of first extension frames 2 and second extension frames 6 in conjunction with the protective net 13, the horizontal and vertical protection ranges of the protective enclosure are adjusted, thereby expanding the applicable scope of the protective enclosure and facilitating the adaptive adjustment of the protective enclosure by staff in different usage scenarios.

[0027] like Figure 6 and Figure 7 As shown, a gear 16 is sleeved on the mounting shaft 15, and two groups of symmetrically distributed racks 17 are provided in the main body 1. The two groups of racks 17 are fixedly connected by a connecting frame 18. The connecting frame 18 and the rack 17 are both slidably connected to the main body 1, and the two groups of racks 17 are respectively meshed with the corresponding installed gears 16. A slide bar 19 is provided in the main body 1, and two groups of fixing rods 22 are fixedly installed in the main body 1. Both ends of the connecting frame 18 are provided with a clamping plate 21, and the two groups of fixing rods 22 are respectively arranged corresponding to the two groups of clamping plates 21. Two groups of symmetrically distributed clamping rods 23 are sleeved on the fixing rod 22, and a torsion spring 24 is sleeved on the fixing rod 22. The two ends of the torsion spring 24 are respectively fixedly connected to the clamping rod 23 and the fixing rod 22. The clamping plate 21 is movably clamped with the two groups of clamping rods 23. The connecting frame 18 is slidably sleeved with the slide bar 19, and a spring 20 is provided on the slide bar 19. The two ends of the spring 20 are respectively fixedly connected to the connecting frame 18 and the main body 1.

[0028] By setting up two sets of legs 14, a firm support for the placement of the protective enclosure is achieved to prevent the protective enclosure from tipping over during use, and the legs 14 can be folded by the provided rack 17 and gear 16, etc., reducing the space occupied by the protective enclosure during transportation, ensuring transportation efficiency and saving transportation costs.

[0029] The utility model provides a protective fence for engineering construction, and its specific working principle is as follows: by rotating the second bevel gear 5 by the handle, the first bevel gear 4 and the bidirectional screw rod 3 are driven to rotate, thereby adjusting the extension distance of the two sets of first extension frames 2, and adjusting the lateral protection range of the protective fence; by rotating the fourth bevel gear 10 by the handle, the third bevel gear 9 and the threaded rod 8 are driven to rotate, and the lifting height of the second extension frame 6 in the first extension frame 2 is adjusted, thereby adjusting the longitudinal protection range of the protective fence; and when the positions of the first extension frame 2 and the second extension frame 6 change, the protective net 13 fixedly connected to them in the main body 1 is driven to extend, ensuring that the protective fence The protective function of the enclosure is to achieve the synchronous movement of the two sets of racks 17 by moving the connecting frame 18. When the rack 17 slides, the lower card plate 21 is engaged with the two sets of clamping rods 23, and the position of the rack 17 is fixed. During the sliding process of the rack 17, the two sets of gears 16 are driven to rotate in opposite directions, thereby opening the two symmetrically distributed sets of legs 14. When the protective enclosure is placed, the ground is coordinated to provide triangular support for the protective enclosure to ensure the stability of the placement of the protective enclosure. When transporting the protective enclosure, the connecting rod is moved to make the two sets of racks 17 slide until the upper card plate 21 is engaged with the upper two sets of clamping rods 23, and the two sets of legs 14 are retracted to fit the main body 1, thereby reducing the space occupied by the protective enclosure and improving transportation efficiency.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective enclosure for engineering construction, comprising a main body (1), characterized in that: Two groups of symmetrically distributed first extension frames (2) are provided on both sides of the main body (1), and the two groups of the first extension frames (2) are both slidably connected to the main body (1). A second extension frame (6) is provided in each of the two groups of the first extension frames (2), and the second extension frame (6) is slidably connected to the first extension frame (2). A sliding sleeve (7) is provided between the two groups of the second extension frames (6), and the two groups of the second extension frames (6) are both slidably connected to the sliding sleeve (7). Two groups of symmetrically distributed supporting legs (14) are provided on the main body (1), and the two groups of the supporting legs (14) are rotatably connected to the main body (1) through a mounting shaft (15).

2. The protective enclosure for engineering construction according to claim 1, characterized in that: A bidirectional screw rod (3) is provided in the main body (1), and both ends of the bidirectional screw rod (3) respectively pass through the two sets of first extension frames (2) and are threadedly connected to the first extension frames (2). A first bevel gear (4) is sleeved on the bidirectional screw rod (3), and a second bevel gear (5) is provided in the main body (1), and the second bevel gear (5) is meshed with the first bevel gear (4).

3. The protective enclosure for engineering construction according to claim 1, characterized in that: A threaded rod (8) is provided in the first extension frame (2), the lower end of the threaded rod (8) passes through the first extension frame (2) and is rotatably connected to the first extension frame (2) through a bearing, the upper end of the threaded rod (8) passes through the second extension frame (6) and is threadedly connected to the second extension frame (6), a third bevel gear (9) is sleeved on the threaded rod (8), a fourth bevel gear (10) is provided in the first extension frame (2), and the fourth bevel gear (10) is meshedly connected to the third bevel gear (9).

4. The protective enclosure for engineering construction according to claim 1, characterized in that: Three groups of mounting rods (11) are provided in the main body (1), and the three groups of mounting rods (11) are respectively arranged corresponding to the two groups of first extension frames (2) and the sliding sleeve (7). Two groups of symmetrically distributed coil springs (12) are provided at both ends of the mounting rod (11), and the inner and outer groups of the coil springs (12) are respectively fixedly connected to the mounting rod (11) and the main body (1). A protective net (13) is sleeved on the mounting rod (11), and the end of the protective net (13) away from the mounting rod (11) is fixedly bonded to the corresponding first extension frame (2) or the sliding sleeve (7).

5. The protective enclosure for engineering construction according to claim 1, characterized in that: A gear (16) is sleeved on the mounting shaft (15), and two groups of symmetrically distributed racks (17) are provided in the main body (1). The two groups of racks (17) are fixedly connected by a connecting frame (18). The connecting frame (18) and the racks (17) are both slidably connected to the main body (1). The two groups of racks (17) are respectively meshed and connected with the corresponding installed gears (16). A sliding rod (19) is provided in the main body (1), and two groups of fixed rods (22) are fixedly installed in the main body (1).

6. The protective enclosure for engineering construction according to claim 5, characterized in that: Both ends of the connecting frame (18) are provided with a clamping plate (21), and the two groups of fixed rods (22) are respectively arranged corresponding to the two groups of clamping plates (21). Two groups of symmetrically distributed clamping rods (23) are sleeved on the fixed rod (22), and a torsion spring (24) is sleeved on the fixed rod (22). The two ends of the torsion spring (24) are respectively fixedly connected to the clamping rod (23) and the fixed rod (22), and the clamping plate (21) is movably clamped with the two groups of clamping rods (23).

7. The protective enclosure for engineering construction according to claim 5, characterized in that: The connecting frame (18) is slidably sleeved with the sliding rod (19); a spring (20) is provided on the sliding rod (19); and two ends of the spring (20) are fixedly connected to the connecting frame (18) and the main body (1) respectively.

Images