High-altitude construction operation protection device

Abstract

The utility model discloses a high-altitude construction operation protection device which comprises a bearing platform, the left side and the right side of the bearing platform are fixedly connected with hollow supporting plates through bolts, a straight rod is rotationally connected between the two hollow supporting plates, the left end of the straight rod is fixedly connected with a ratchet wheel, and the ratchet wheel is located on the left sides of the hollow supporting plates; the surfaces of the left end and the right end of the straight rod are fixedly connected with gears, the gears are located between the two hollow supporting plates, and the tops of the hollow supporting plates are rotationally connected with inclined face pressing plates. The ratchet wheel and the gear are driven to rotate synchronously by shaking the crank, at the moment, the ratchet wheel cannot rotate reversely under the action of the slope pressing plate and the spring plate, then the height of the supporting column and the height of the extension frame are adjusted, and the protection range of the bearing platform can be changed. The purpose of more safely protecting workers with different heights conveniently is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-altitude construction, in particular to a protective device for high-altitude construction operations. Background Art

[0002] Aerial work generally refers to construction at a height of 2m or above, and aerial work requires the use of safety protection measures to ensure the safety of workers during high-altitude construction.

[0003] When workers are performing aerial operations, they usually need to use a load-bearing platform to facilitate their operation and construction. The load-bearing platform can provide all-round protection for the workers, but because the heights of the workers are different, in order to change the protection range of the load-bearing platform to facilitate safer protection for workers of different heights, a high-altitude construction operation protection device is designed. The device can adjust the protection height of the extension frame and the extension frame by shaking the support column and the limit frame, so that the protection range of the load-bearing platform can be changed to facilitate safer protection for workers of different heights. Utility Model Content

[0004] The utility model aims to provide a high-altitude construction work protection device, which can change the protection range of the bearing platform to facilitate safer protection for workers of different heights, so as to solve the above-mentioned background technical problems.

[0005] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: a protective device for high-altitude construction operations, which includes a bearing platform: the left and right sides of the bearing platform are fixedly connected with hollow support plates by bolts, a straight rod is rotatably connected between the two hollow support plates, the left end of the straight rod is fixedly connected with a ratchet, the ratchet is located on the left side of the hollow support plate, the surfaces of the left and right ends of the straight rod are fixedly connected with gears, the gears are located between the two hollow support plates, the top of the hollow support plate is rotatably connected with an inclined pressure plate, the inclined surface of the inclined pressure plate is embedded in the surface of the ratchet, the top of the hollow support plate is fixedly connected with a spring plate, and the spring plate is pressed on the surface of the inclined pressure plate.

[0006] Preferably, the front side of the bearing platform is fixedly connected with two limit seats by bolts, the inner cavities of the two limit seats are slidably connected with support columns, the front side of the support columns is fixedly connected with a rack, and the rack is meshed with the surface of the gear.

[0007] Preferably, slide grooves are provided on the left and right sides of the inner cavity of the limit seat, the left and right sides of the support column are fixedly connected to the limit strips by bolts, the surface of the limit strips is slidably connected to the inner cavity of the slide grooves, and the left end of the straight rod is fixedly connected to the crank by bolts.

[0008] Preferably, the left and right sides of the bearing platform are fixedly connected to the limiting frame by bolts, the inner cavity of the limiting frame is slidably connected to the extension frame, and the front and rear sides of the limiting frame are provided with holes.

[0009] Preferably, the inner cavity of the extension frame is slidably connected to two connecting strips, the two connecting strips are staggered left and right, and the opposite ends of the two connecting strips are fixedly connected with round heads, the round heads are slidably connected to the inner cavity of the hole, and a spring is welded between the round heads and the extension frame.

[0010] Preferably, opposite ends of the connecting strips are fixedly connected with bevel plates, the two bevel plates are rotatably connected to the extension frame together, and opposite sides of the two support columns are fixedly connected with the extension frame by bolts.

[0011] 1. The beneficial effect of the utility model is that the ratchet and the gear are driven to rotate synchronously by shaking the crank, and the ratchet is ensured not to be reversed under the action of the inclined pressure plate and the spring plate, and then the height of the support column and the extension frame is adjusted, so that the protection range of the load-bearing platform can be changed, so as to facilitate the purpose of safer protection for workers of different heights.

[0012] 2. The utility model can limit the support column in the process of sliding in the inner cavity of the limit seat by setting the limit strip, so as to ensure that the support column is more stable when driving the extension frame to slide.

[0013] 3. The utility model can make the two round heads retract or reset synchronously through the coordinated use of the connecting strip and the bevel plate, so that the height adjustment of the extension frame can be more rapid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] in:

[0015] Figure 1 A schematic diagram of a front view of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the main view splitting of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the inner cavity of an extension frame according to an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the inner cavity of the hollow support plate splitting and the limiting seat in one embodiment of the utility model;

[0019] Figure 5 This is an embodiment of the utility model Figure 2 A partial enlarged view of point A in the middle.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Load-bearing platform, 2. Hollow support plate, 3. Straight rod, 4. Ratchet, 5. Gear, 6. Inclined pressure plate, 7. Spring plate, 8. Limit seat, 9. Support column, 10. Rack, 11. Limit strip, 12. Crank, 13. Limit frame, 14. Extension frame, 15. Connecting strip, 16. Round head, 17. Spring, 18. Bevel plate, 19. Extension frame. DETAILED DESCRIPTION

[0022] Hereinafter, embodiments of the high-altitude construction work protection device of the present invention will be described with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Figure 1-5 A protective device for high-altitude construction work according to an embodiment of the utility model is shown, which includes: a bearing platform 1: hollow support plates 2 are fixedly connected to the left and right sides of the bearing platform 1 by bolts, a straight rod 3 is rotatably connected between the two hollow support plates 2, a ratchet 4 is fixedly connected to the left end of the straight rod 3, the ratchet 4 is located on the left side of the hollow support plate 2, gears 5 are fixedly connected to the surfaces of the left and right ends of the straight rod 3, the gear 5 is located between the two hollow support plates 2, an inclined pressure plate 6 is rotatably connected to the top of the hollow support plate 2, the inclined surface of the inclined pressure plate 6 is embedded in the surface of the ratchet 4, a spring plate 7 is fixedly connected to the top of the hollow support plate 2, and the spring plate 7 is pressed on the surface of the inclined pressure plate 6, the front side of the bearing platform 1 is fixedly connected to two limit seats 8 by bolts, and the inner cavities of the two limit seats 8 are both sliding It is connected to a support column 9, and a rack 10 is fixedly connected to the front side of the support column 9, and the rack 10 is meshed with the surface of the gear 5. Slide grooves are provided on the left and right sides of the inner cavity of the limit seat 8, and the left and right sides of the support column 9 are fixedly connected to the limit strip 11 by bolts. Through the setting of the limit strip 11, the support column 9 can be limited in the process of sliding in the inner cavity of the limit seat 8, which can ensure that the support column 9 can be more stable when driving the extension frame 19 to slide. The surface of the limit strip 11 is slidably connected to the inner cavity of the slide groove, and the left end of the straight rod 3 is fixedly connected to the crank 12 by bolts. The left and right sides of the bearing platform 1 are fixedly connected to the limit frame 13 by bolts, and the inner cavity of the limit frame 13 is slidably connected to the extension frame 14, and the front and rear sides of the limit frame 13 are provided with holes.

[0025] Embodiment 2:

[0026] Figure 1-5The utility model shows a protective device for high-altitude construction work of an embodiment of the utility model, which includes: a bearing platform 1: the left and right sides of the bearing platform 1 are fixedly connected with hollow support plates 2 by bolts, a straight rod 3 is rotatably connected between the two hollow support plates 2, the left end of the straight rod 3 is fixedly connected with a ratchet 4, the ratchet 4 is located on the left side of the hollow support plate 2, the surfaces of the left and right ends of the straight rod 3 are fixedly connected with gears 5, the gear 5 is located between the two hollow support plates 2, the top of the hollow support plate 2 is rotatably connected with an inclined pressure plate 6, the inclined surface of the inclined pressure plate 6 is embedded in the surface of the ratchet 4, the top of the hollow support plate 2 is fixedly connected with a spring plate 7, the spring plate 7 is pressed on the surface of the inclined pressure plate 6, and the extension frame 1 4 is slidably connected with two connecting strips 15, the two connecting strips 15 are staggered left and right, the opposite ends of the two connecting strips 15 are fixedly connected with round heads 16, the round heads 16 are slidably connected to the inner cavity of the hole, a spring 17 is welded between the round heads 16 and the extension frame 14, the opposite ends of the two connecting strips 15 are fixedly connected with bevel plates 18, through the coordinated use of the connecting strips 15 and the bevel plates 18, the two round heads 16 can be synchronously retracted or reset, so that the extension frame 14 can be more quickly adjusted in height, the two bevel plates 18 are rotatably connected to the extension frame 14 together, and the opposite sides of the two support columns 9 are fixedly connected with extension frames 19 by bolts.

[0027] When the user presses the lever 12 to move, the lever 14 is moved upwards to move the gear 5 so that the user can adjust the height of the support column 9 and the extension frame 19. When the user presses the lever 12 to move, the lever 14 is moved upwards to move the gear 5 so that the user can adjust the height of the support column 9 and the extension frame 19. When the user presses the lever 12 to move, the lever 14 is moved upwards to move the gear 5 so that the user can adjust the height of the support column 9 and the extension frame 19. When the user presses the lever 12 to move, the lever 14 is moved upwards to move the gear 5 so that the user can adjust the height of the support column 9 and the extension frame 19.

[0028] To sum up: the high-altitude construction work protection device drives the ratchet 4 and the gear 5 to rotate synchronously by shaking the handle 12. At this time, the ratchet 4 is guaranteed not to reverse under the action of the inclined pressure plate 6 and the spring plate 7, and then the height of the support column 9 and the extension frame 19 is adjusted, so that the protection range of the load-bearing platform 1 can be changed, so as to facilitate safer protection for workers of different heights.

Claims

1. A protective device for high-altitude construction work, characterized in that: The invention comprises a bearing platform (1): the left and right sides of the bearing platform (1) are fixedly connected with hollow support plates (2) by bolts, a straight rod (3) is rotatably connected between the two hollow support plates (2), the left end of the straight rod (3) is fixedly connected with a ratchet (4), the ratchet (4) is located on the left side of the hollow support plate (2), the surfaces of the left and right ends of the straight rod (3) are fixedly connected with gears (5), the gears (5) are located between the two hollow support plates (2), the top of the hollow support plate (2) is rotatably connected with an inclined pressure plate (6), the inclined surface of the inclined pressure plate (6) is embedded in the surface of the ratchet (4), the top of the hollow support plate (2) is fixedly connected with a spring plate (7), and the spring plate (7) is pressed on the surface of the inclined pressure plate (6).

2. A protective device for high-altitude construction work according to claim 1, characterized in that: The front side of the bearing platform (1) is fixedly connected to two limit seats (8) by bolts, the inner cavities of the two limit seats (8) are slidably connected to support columns (9), the front side of the support columns (9) is fixedly connected to a rack (10), and the rack (10) is meshed with the surface of the gear (5).

3. A protective device for high-altitude construction work according to claim 2, characterized in that: The left and right sides of the inner cavity of the limit seat (8) are provided with sliding grooves, the left and right sides of the support column (9) are fixedly connected to the limit strips (11) by bolts, the surface of the limit strips (11) is slidably connected to the inner cavity of the sliding groove, and the left end of the straight rod (3) is fixedly connected to the crank (12) by bolts.

4. A protective device for high-altitude construction work according to claim 3, characterized in that: The left and right sides of the bearing platform (1) are fixedly connected to the limiting frame (13) by bolts, the inner cavity of the limiting frame (13) is slidably connected to the extension frame (14), and the front and rear sides of the limiting frame (13) are provided with holes.

5. A protective device for high-altitude construction work according to claim 4, characterized in that: The inner cavity of the extension frame (14) is slidably connected to two connecting strips (15), the two connecting strips (15) are staggered left and right, and the opposite ends of the two connecting strips (15) are fixedly connected to round heads (16), the round heads (16) are slidably connected to the inner cavity of the hole, and a spring (17) is welded between the round heads (16) and the extension frame (14).

6. A protective device for high-altitude construction work according to claim 5, characterized in that: The opposite ends of the two connecting strips (15) are fixedly connected to a bevel plate (18), the two bevel plates (18) are rotatably connected to the extension frame (14), and the opposite sides of the two supporting columns (9) are fixedly connected to the extension frame (19) by bolts.

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