Anti-falling device for building construction

Abstract

The utility model belongs to the technical field of anti-falling devices, and provides an anti-falling device for building construction, which comprises a protective frame and a bottom plate, a sliding groove is arranged on the protective frame, a sliding block is slidably connected onto the sliding groove, a square frame is fixedly connected onto the sliding block, a protective net is fixedly connected onto the square frame, and the protective net is fixedly connected onto the bottom plate. A first mounting plate is fixedly connected to the square frame, first driving connecting rods are hinged to the two ends of the first mounting plate, a second mounting plate is hinged to the ends, away from the first mounting plate, of the first driving connecting rods, the second mounting plate is fixedly connected to the protective frame, and a second driven connecting rod is hinged to the second mounting plate. According to the anti-falling device, the damping rods are matched with the springs, the protective net on the anti-falling device can be buffered, and therefore it can be guaranteed that when the protective net is collided by building materials, the protective net is not damaged, the personal safety of workers is guaranteed, and the service life of the anti-falling device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-falling object devices, in particular to an anti-falling object device for building construction. Background Art

[0002] First of all, the construction process involves a lot of high-altitude operations, such as tower crane drivers going up and down passages, installation, and removal, construction elevator installation, removal, maintenance, and steel structure installation operations, etc. These high-altitude workplaces have a high risk of falling, so effective anti-falling measures must be taken to ensure the safety of construction workers.

[0003] However, most of the existing fall protection devices used in construction have wheels at the bottom, which cannot ensure the stability of the fall protection device. The fall protection device may collapse and hit the workers due to the impact of building materials. At the same time, the protective nets of the existing fall protection devices are fixedly connected to the frames, which are very likely to be damaged due to the collision of building materials, threatening the personal safety of the workers and reducing the service life of the fall protection device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a falling object prevention device for construction.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a falling object prevention device for construction, comprising a protective frame and a bottom plate, the protective frame is provided with a slide groove, the slide groove is slidably connected with a slider, the slider is fixedly connected with a square frame, the square frame is fixedly connected with a protective net, the square frame is fixedly connected with a first mounting plate, the first mounting plate is hinged with a first driving connecting rod at both ends, the first driving connecting rod is hinged with a second mounting plate at one end away from the first mounting plate, the second mounting plate is fixedly connected to the protective frame, and the second driven connecting rod is hinged on the second mounting plate. , a cross bar is fixedly connected to the protective frame, a third mounting plate is fixedly connected to the cross bar, an end of the second driven connecting rod away from the second mounting plate is hinged on the third mounting plate, a first connecting plate is hinged on the first driving connecting rod, a damping rod is fixedly connected to the first connecting plate, an end of the damping rod away from the first connecting plate is fixedly connected to the second connecting plate, an end of the second connecting plate away from the damping rod is hinged to the second driven connecting rod, a spring is fixedly connected to the first connecting plate, an end of the spring away from the first connecting plate is fixedly connected to the second connecting plate, and the spring is sleeved on the damping rod.

[0006] As a further description of the above technical solution:

[0007] The base plate is fixedly connected to a support column, an electric push rod is fixedly connected to the base plate, a telescopic rod is fixedly connected to the output end of the electric push rod, an end of the telescopic rod away from the electric push rod is fixedly connected to a slide plate, the slide plate is slidably connected to the support column, a first driving support rod is hinged on the slide plate, a second driven support rod is hinged on the first driving support rod, an end of the second driven support rod away from the first driving support rod is hinged to the support column, and a pad is fixedly connected to the first driving support rod.

[0008] As a further description of the above technical solution:

[0009] The protection frame is fixedly connected with baffles, and the baffles are provided in four groups, and the four groups of baffles are evenly distributed on the protection frame.

[0010] As a further description of the above technical solution:

[0011] The first driving connecting rods are provided with two groups, and the two groups of the first driving connecting rods are evenly distributed on the first mounting plate and the second mounting plate.

[0012] As a further description of the above technical solution:

[0013] The second driven connecting rods are provided with two groups, and the two groups of the second driven connecting rods are evenly distributed on the second mounting plate and the third mounting plate.

[0014] As a further description of the above technical solution:

[0015] The support columns are provided in four groups, and the four groups of support columns are evenly distributed at the bottom of the base plate.

[0016] As a further description of the above technical solution:

[0017] The material of the protective net is nylon.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, the damping rod and the spring cooperate with each other to buffer the protective net on the anti-fall device, so as to ensure that the protective net is not damaged when it is collided by building materials, which not only ensures the personal safety of workers but also prolongs the service life of the anti-fall device.

[0020] 2. In the utility model, the pad is brought into close contact with the ground by the outward rotation of the first driving support rod, thereby expanding the contact area between the anti-fall device and the ground, thereby ensuring the stability of the anti-fall device and preventing the anti-fall device from collapsing and hitting the workers due to the impact of building materials, thereby further ensuring the personal safety of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front perspective view of a falling object prevention device for construction proposed by the utility model;

[0022] Figure 2 This is a side perspective view of a falling object prevention device for construction proposed by the utility model;

[0023] Figure 3 This is a structural schematic diagram of a falling object prevention device for construction proposed by the utility model;

[0024] Figure 4 This is a top perspective view of a falling object prevention device for construction proposed by the utility model;

[0025] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0026] Legend:

[0027] 1. Protective frame; 2. Slide groove; 3. Slider; 4. Square frame; 5. Protective net; 6. First mounting plate; 7. First driving connecting rod; 8. Second mounting plate; 9. Second driven connecting rod; 10. Third mounting plate; 11. Cross bar; 12. First connecting plate; 13. Damping rod; 14. Spring; 15. Second connecting plate; 16. Electric push rod; 17. Support column; 18. Telescopic rod; 19. Slide plate; 20. First driving support rod; 21. Second driven support rod; 22. Pad; 23. Baffle; 24. Bottom plate. DETAILED DESCRIPTION

[0028] 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.

[0029] Reference Figure 1-Figure 5The utility model provides an embodiment: a falling object prevention device for construction, including a protective frame 1 and a bottom plate 24. The protective frame 1 is provided with a slide groove 2, the slide groove 2 is slidably connected with a slider 3, the slider 3 is fixedly connected with a square frame 4, the square frame 4 is fixedly connected with a protective net 5, the square frame 4 is fixedly connected with a first mounting plate 6, both ends of the first mounting plate 6 are hinged with a first driving link 7, the end of the first driving link 7 away from the first mounting plate 6 is hinged with a second mounting plate 8, the second mounting plate 8 is fixedly connected to the protective frame 1, the second mounting plate 8 is hinged with a second driven link 9, the protective frame 1 is fixedly connected with a cross bar 11, the cross bar 11 is fixedly connected with a third mounting plate 10, and the end of the second driven link 9 away from the second mounting plate 8 is hinged to the third mounting plate 10, a first connecting plate 12 is hinged on the first driving connecting rod 7, a damping rod 13 is fixedly connected to the first connecting plate 12, an end of the damping rod 13 away from the first connecting plate 12 is fixedly connected to the second connecting plate 15, an end of the second connecting plate 15 away from the damping rod 13 is hinged to the second driven connecting rod 9, a spring 14 is fixedly connected to the first connecting plate 12, an end of the spring 14 away from the first connecting plate 12 is fixedly connected to the second connecting plate 15, the spring 14 is sleeved on the damping rod 13, and the damping rod 13 and the spring 14 cooperate with each other to buffer the protective net 5 on the anti-fall device, thereby ensuring that the protective net 5 is not damaged when it is collided with construction materials, which not only ensures the personal safety of workers but also extends the service life of the anti-fall device.

[0030] A support column 17 is fixedly connected to the bottom plate 24, an electric push rod 16 is fixedly connected to the bottom plate 24, a telescopic rod 18 is fixedly connected to the output end of the electric push rod 16, a slide plate 19 is fixedly connected to the end of the telescopic rod 18 away from the electric push rod 16, the slide plate 19 penetrates and slides and is connected to the support column 17, a first driving support rod 20 is hinged on the slide plate 19, a second driven support rod 21 is hinged on the first driving support rod 20, an end of the second driven support rod 21 away from the first driving support rod 20 is hinged on the support column 17, a pad 22 is fixedly connected to the first driving support rod 20, and the pad 22 is made to be close to the ground by the outward rotation of the first driving support rod 20, thereby expanding the contact between the anti-fall device and the ground. The contact area can ensure the stability of the anti-fall device and prevent the anti-fall device from collapsing and hitting the workers due to the impact of building materials. Therefore, the personal safety of the workers is further guaranteed. A baffle 23 is fixedly connected to the protective frame 1. There are four groups of baffles 23, and the four groups of baffles 23 are evenly distributed on the protective frame 1. There are two groups of first drive links 7, and the two groups of first drive links 7 are evenly distributed on the first mounting plate 6 and the second mounting plate 8. There are two groups of second driven links 9, and the two groups of second driven links 9 are evenly distributed on the second mounting plate 8 and the third mounting plate 10. There are four groups of support columns 17, and the four groups of support columns 17 are evenly distributed at the bottom of the bottom plate 24. The material of the protective net 5 is nylon.

[0031] Working principle: first, carry the anti-fall device to a suitable position, then start the electric push rod 16, the output end of the electric push rod 16 drives the telescopic rod 18 to extend downward, the telescopic rod 18 drives the slide plate 19 to slide downward on the support column 17, the support column 17 slides downward and drives the first driving support rod 20 to rotate outward, the first driving support rod 20 rotates outward and drives the second driven support rod 21 to rotate downward, so that the first driving support rod 20 rotates outward to make the pad 22 close to the ground, expanding the contact area between the anti-fall device and the ground, so as to ensure the stability of the anti-fall device, and then when the building materials fall onto the protective net 5, the protective net 5 drives the square frame 4 The upper slider 3 slides downward on the slide groove 2, and the square frame 4 moves downward to drive the first driving connecting rods 7 at both ends of the first mounting plate 6 to rotate. The rotation of the first driving connecting rod 7 drives the first connecting plate 12 to squeeze the damping rod 13 and the spring 14 downward. At the same time, the damping rod 13 drives the second driven connecting rod 9 to rotate through the second connecting plate 15. The damping rod 13 cooperates with the spring 14 to drive the slider 3 to continuously slide up and down on the slide groove 2, thereby buffering the protective net 5 on the anti-fall device. This can ensure that the protective net 5 is not damaged when it is collided with building materials, which not only ensures the personal safety of workers, but also extends the service life of the anti-fall device.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A falling object prevention device for construction, comprising a protection frame (1) and a bottom plate (24), characterized in that: The protection frame (1) is provided with a slide groove (2), the slide groove (2) is slidably connected with a slider (3), the slider (3) is fixedly connected with a square frame (4), the square frame (4) is fixedly connected with a protection net (5), the square frame (4) is fixedly connected with a first mounting plate (6), both ends of the first mounting plate (6) are hinged with a first driving connecting rod (7), the end of the first driving connecting rod (7) away from the first mounting plate (6) is hinged with a second mounting plate (8), the second mounting plate (8) is fixedly connected to the protection frame (1), the second mounting plate (8) is hinged with a second driven connecting rod (9), the protection frame (1) is fixedly connected with a cross bar (11), and the cross bar (11) is fixedly connected with a third mounting plate (9). The first drive link (7) is hinged with a first connecting plate (12), and a damping rod (13) is fixedly connected to the first connecting plate (12). The end of the damping rod (13) away from the first connecting plate (12) is fixedly connected to the second connecting plate (15). The end of the second connecting plate (15) away from the damping rod (13) is hinged to the second driven link (9). The first connecting plate (12) is fixedly connected with a spring (14), and the end of the spring (14) away from the first connecting plate (12) is fixedly connected to the second connecting plate (15). The spring (14) is sleeved on the damping rod (13).

2. The falling object prevention device for construction according to claim 1, characterized in that: The base plate (24) is fixedly connected to a support column (17), the base plate (24) is fixedly connected to an electric push rod (16), the output end of the electric push rod (16) is fixedly connected to a telescopic rod (18), the end of the telescopic rod (18) away from the electric push rod (16) is fixedly connected to a slide plate (19), the slide plate (19) is slidably connected to the support column (17), a first driving support rod (20) is hinged to the slide plate (19), the first driving support rod (20) is hinged to a second driven support rod (21), the end of the second driven support rod (21) away from the first driving support rod (20) is hinged to the support column (17), and the first driving support rod (20) is fixedly connected to a pad (22).

3. The falling object prevention device for construction according to claim 1, characterized in that: The protection frame (1) is fixedly connected with a baffle plate (23), and the baffle plates (23) are provided in four groups, and the four groups of baffle plates (23) are evenly distributed on the protection frame (1).

4. The falling object prevention device for construction according to claim 1, characterized in that: The first driving connecting rods (7) are provided with two groups, and the two groups of the first driving connecting rods (7) are evenly distributed on the first mounting plate (6) and the second mounting plate (8).

5. The falling object prevention device for construction according to claim 1, characterized in that: The second driven connecting rods (9) are provided with two groups, and the two groups of the second driven connecting rods (9) are evenly distributed on the second mounting plate (8) and the third mounting plate (10).

6. The falling object prevention device for construction according to claim 2, characterized in that: The support columns (17) are provided in four groups, and the four groups of support columns (17) are evenly distributed at the bottom of the bottom plate (24).

7. The falling object prevention device for construction according to claim 1, characterized in that: The material of the protective net (5) is nylon.

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