Border hole anti-falling safety device and using method thereof

Abstract

The invention relates to a near-edge hole anti-falling safety device and a using method thereof.The near-edge hole anti-falling safety device comprises a first protective barrier, a second protective barrier, a third protective barrier and a fourth protective barrier, and the second protective barrier and the third protective barrier are located between the first protective barrier and the fourth protective barrier; the two sides of the bottom of the second protective barrier are rotationally mounted on the first protective barrier and the fourth protective barrier; when the second protective barrier rotates to be in a vertical state, the third protective barrier retreats into the second protective barrier; when the second protective barrier rotates to be in a horizontal state, the third protective barrier is located above the second protective barrier. According to the edge hole anti-falling safety device, the edge protection and the operation platform are combined, the tedious construction method that workers need to install the edge protection and the hole anti-falling net is solved, and therefore the use cost of labor and materials is reduced, and the edge hole anti-falling safety device can be widely applied to all building construction sites.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a safety device for preventing falling at a hole on the edge and a method for using the same. BACKGROUND

[0002] In the field of building construction, protection at a hole on the edge is a key link for ensuring safety of personnel.

[0003] At present, a commonly used protection bar structure is generally composed of a vertical column and a horizontal rod, and is made of metal material and fixed to the ground or the edge of a structure by means of a pre-embedded part or an expansion bolt. The working principle of the protection bar structure is based on physical blocking, and a barrier is formed at the edge to prevent personnel from approaching the dangerous edge.

[0004] Although the protection bar structure can well play a role in physical blocking, the protection bar needs to be removed when a construction personnel is working in a hole, such as an elevator shaft, which brings great inconvenience to the construction personnel on site. SUMMARY

[0005] In view of the above problems, the present application provides a safety device for preventing falling at a hole on the edge and a method for using the same, which aims to create a comprehensive safety protection system for various working scenes at holes on the edge, reduce the risk of falling accidents, and maximize the safety of personnel and the smooth progress of work.

[0006] The specific technical solutions are as follows: The first aspect of the present application is to provide a safety device for preventing falling at a hole on the edge, comprising: a first protection bar, a second protection bar, a third protection bar and a fourth protection bar, the second protection bar and the third protection bar being located between the first protection bar and the fourth protection bar, and the bottom of the second protection bar being rotatably installed on the first protection bar and the fourth protection bar. When the second protection bar is rotated to a vertical state, the third protection bar is withdrawn into the second protection bar, and the first protection bar, the second protection bar and the fourth protection bar are connected to form a flat shape; when the second protection bar is rotated downward, the third protection bar is withdrawn from the second protection bar; when the second protection bar is rotated to a horizontal state, the third protection bar is located above the second protection bar, and the second protection bar and the third protection bar form a protection bar structure.

[0007] Further, the safety device for preventing falling further comprises a rotating motor installed in the first protection bar and / or the fourth protection bar, and one side of the bottom of the second protection bar is fixedly installed on the output shaft of the rotating motor.

[0008] Further, the second protection bar is provided with a locking brake on both sides of the horizontal beam.

[0009] Further, the locking brake is a spring lock, and the first guardrail and / or the fourth guardrail are provided with pin holes correspondingly.

[0010] Further, connecting members are installed between the horizontal beams of the second guardrail and the third guardrail, a winding motor is installed on the first guardrail and / or the fourth guardrail, a first steel wire is wound on the output shaft of the winding motor, and the free end of the first steel wire is installed on the third guardrail.

[0011] Further, the connecting member is a second steel wire.

[0012] Further, the connecting member is a telescopic protective vertical rod.

[0013] Further, a protective net is installed between the second guardrail and the third guardrail.

[0014] Further, a sound-light alarm is installed on the top of the first guardrail and the fourth guardrail.

[0015] The second aspect of the present application provides a use method of the above-mentioned edge hole anti-falling safety device, comprising: fixing the anti-falling safety device on the ground of the edge hole; turning the second guardrail and releasing the third guardrail, so that the second guardrail and the third guardrail extend into the hole, and the worker performs construction by taking the second guardrail as a construction platform; when the daily construction is completed, the worker withdraws, the second guardrail and the third guardrail are reset, and the first guardrail, the second guardrail and the fourth guardrail are connected to form a flat shape; repeating until the construction is completed.

[0016] The beneficial effects of the above-mentioned scheme are: The edge hole anti-falling safety device provided by the present application combines the edge protection and the operation platform, solves the complicated construction method that the worker needs to install the edge protection and the hole anti-falling net, reduces the use cost of labor and materials, and can be widely applied to various construction sites. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 the expanded state schematic view of the safety device provided in the embodiment of the present application; Figure 2 the contracted state schematic view of the safety device provided in the embodiment of the present application.

[0018] In the drawings: 1, first guardrail; 2, second guardrail; 3, third guardrail; 4, fourth guardrail; 5, locking brake; 6, connecting member; 7, first steel wire; 8, protective net; 9, sound-light alarm. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0021] The present application will be further described below with reference to the drawings and specific embodiments, but is not limited to the embodiments.

[0022] As shown in Figure 1 , Figure 2 The anti-falling safety device provided in the embodiments of the present application includes a first guardrail 1, a second guardrail 2, a third guardrail 3 and a fourth guardrail 4. The second guardrail 2 and the third guardrail 3 are located between the first guardrail 1 and the fourth guardrail 4. The bottom of the second guardrail 2 is rotatably installed on the first guardrail 1 and the fourth guardrail 4.

[0023] The anti-falling safety device described above in the present application can be fixed to a temporary edge hole, such as the vicinity of an elevator shaft. When the second guardrail 2 is rotated to be vertical, the third guardrail 3 is withdrawn into the second guardrail 2, and the first guardrail 1, the second guardrail 2 and the fourth guardrail 4 are connected to form a flat guardrail structure, so as to effectively block the relevant construction area. When the second guardrail 2 is downwardly rotated and extends into the elevator shaft, the third guardrail 3 is gradually withdrawn from the second guardrail 2. When the second guardrail 2 is rotated to be horizontal, the third guardrail 3 is located above the second guardrail 2, and the second guardrail 2 and the third guardrail 3 form a guardrail structure. At this time, the worker can use the second guardrail 2 as a construction platform to perform construction in the elevator shaft.

[0024] Further, as shown in Figure 1 , Figure 2As shown, in order to effectively drive the second guardrail 2, the above-mentioned anti-falling safety device further comprises two rotating motors (not shown in the figure), which are respectively installed in the first guardrail 1 and the fourth guardrail 4, and the bottom side of the second guardrail 2 is fixedly installed on the output shaft of the rotating motor; under the above-mentioned structure, the second guardrail 2 is driven to rotate or reset by the rotating motor. Based on the above technical scheme, in order to further lock the second guardrail 2 after resetting the second guardrail 2 and enhance the structural stability, the locking brake 5 is installed on both sides of the cross beam in the second guardrail 2; the above-mentioned brake can adopt the spring lock buckle structure commonly used in the existing umbrella structure telescopic joint, and the pin hole is opened on the first guardrail 1 and the fourth guardrail 4, so that the second guardrail 2 is stably locked on the first guardrail 1 and the fourth guardrail 4 by the cooperation of the spring lock buckle and the pin hole.

[0025] Further, as shown in Figure 1 , Figure 2 in order to cooperate with the rotating motor to release the third guardrail 3, the connecting piece 6 (which can be a second steel wire or an extendable protective vertical rod) is installed between the cross beams of the second guardrail 2 and the third guardrail 3; the winding motor is installed on the first guardrail 1 and the fourth guardrail 4, the output shaft of the winding motor is wound with the first steel wire 7, and the free end of the first steel wire 7 is installed on the third guardrail 3; under the above-mentioned structure, when the rotating motor rotates and overturns the second guardrail 2 downward, the second guardrail 2 drives the third guardrail 3 downward through the connecting piece 6, and the winding motor drives the third guardrail 3 through the first steel wire 7 in real time, so as to realize the release of the third guardrail 3; when the rotating motor rotates and overturns the second guardrail 2 upward, the winding motor drives the third guardrail 3 upward through the first steel wire 7, and finally the worker assists to push the third guardrail 3 into the second guardrail 2, and the second guardrail 2 is locked on the first guardrail 1 and the fourth guardrail 4 by means of the locking brake 5 on the second guardrail 2.

[0026] Further, in order to improve the protection effect, as shown in Figure 1 , the second guardrail 2 and the third guardrail 3 are installed in the present application.

[0027] Further, in order to warn the surrounding personnel, as shown in Figure 2 , the sound and light alarm 9 is installed on the top of the first guardrail 1 and the fourth guardrail 4.

[0028] The use method of the above-mentioned edge hole anti-falling safety device in the present application is as follows: The anti-falling safety device is fixed on the ground of the edge hole by means of the expansion screw; The second guardrail 2 is rotated and the third guardrail 3 is released, so that the second guardrail 2 and the third guardrail 3 extend into the hole, and workers perform construction by taking the second guardrail 2 as a construction platform; After the construction is completed on the same day, the workers withdraw, and the second guardrail 2 and the third guardrail 3 are reset, and the first guardrail 1, the second guardrail 2 and the fourth guardrail 4 are connected to form a flat shape; The above is repeated until the construction is completed.

[0029] The above is only a preferred embodiment of the present application, and does not limit the implementation and protection scope of the present application. It should be realized by those skilled in the art that any equivalent replacement and obvious change made according to the content of the present application should be included in the protection scope of the present application.

Claims

1. The anti-fall safety device for the edge hole is characterized by: include: A first guardrail, a second guardrail, a third guardrail, and a fourth guardrail, wherein the second guardrail and the third guardrail are located between the first guardrail and the fourth guardrail, and both sides of the bottom of the second guardrail are rotatably mounted on the first guardrail and the fourth guardrail; Among them, when the second guardrail is rotated to a vertical state, the third guardrail retreats into the second guardrail, and the first guardrail, the second guardrail and the fourth guardrail are connected to form a straight shape; when the second guardrail is rotated downward, the third guardrail withdraws from the second guardrail; when the second guardrail is rotated to a horizontal state, the third guardrail is located above the second guardrail, and the second guardrail and the third guardrail form a guardrail structure.

2. The anti-falling safety device for edge openings according to claim 1, characterized in that: The anti-fall safety device further comprises a rotating motor, which is installed in the first guardrail and / or the fourth guardrail, and one side of the bottom of the second guardrail is fixedly mounted on the output shaft of the rotating motor.

3. The anti-falling safety device for edge openings according to claim 2, characterized in that: Locking brakes are installed on both sides of the crossbeam in the second guardrail.

4. The anti-falling safety device for edge openings according to claim 3, characterized in that: The locking brake is a spring lock, and pin holes are correspondingly provided on the first guardrail and / or the fourth guardrail.

5. The anti-falling safety device for edge openings according to claim 1, characterized in that: A connecting piece is installed between the cross beams of the second guardrail and the third guardrail, a winding motor is installed on the first guardrail and / or the fourth guardrail, a first steel wire rope is wound on the output shaft of the winding motor, and the free end of the first steel wire rope is installed on the third guardrail.

6. The anti-falling safety device for edge openings according to claim 5, characterized in that: The connecting member is a second steel wire rope.

7. The anti-falling safety device for edge openings according to claim 5, characterized in that: The connecting piece is a telescopic protective vertical pole.

8. The anti-falling safety device for edge openings according to claim 1, characterized in that: A protective net is installed between the second protective railing and the third protective railing.

9. The anti-falling safety device for edge openings according to claim 1, characterized in that: Sound and light alarms are installed on the tops of the first guardrail and the fourth guardrail.

10. The method for using the anti-fall safety device at the edge of the hole is characterized by: The anti-falling safety device for edge openings according to any one of claims 1 to 9 comprises: Fix the anti-fall safety device on the ground near the hole; Rotate the second guardrail and release the third guardrail, so that the second guardrail and the third guardrail extend into the hole, and workers use the second guardrail as a construction platform to carry out construction; After the construction is completed that day, the workers withdraw, the second guardrail and the third guardrail are restored, and the first guardrail, the second guardrail and the fourth guardrail are connected to form a straight shape; Repeat until the construction is completed.

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