Vertical lifeline anti-falling device

By introducing the limiting rod and spring design into the vertical lifeline anti-falling device, the secondary fall problem caused by the lack of limiting effect of the existing devices is solved, and a stable connection to the fixed head is achieved and safety performance is improved.

CN222195772UActive Publication Date: 2024-12-20KELIANG SAFETY TECH (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202420925969.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2024-12-20
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The vertical lifeline anti-fall device on the market lacks limiting effect when the fixing head one and the fixing head two clamp the vertical lifeline, resulting in the risk of a secondary fall.

Method used

A device including a main body, a set of fixing heads, connecting plates, limiting rods, cover shells and springs is designed. The limiting rods are pushed into the limiting holes at the bottom of the fixing heads through the springs inside the cover shells, thereby urging the limiting rods to insert the limiting holes at the bottom, thereby Fix the second head to limit the position to prevent secondary falls.

Benefits of technology

It effectively prevents the secondary fall of the vertical lifeline anti-fall device. Through the movement of the limit rod and the pushing effect of the spring, it ensures a firm connection between the fixing head and the lifeline, which improves safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The vertical lifeline anti-falling device comprises a first main body, a first fixing head, a connecting plate, a sliding groove, grooves, a limiting pin, a pulley and a second fixing head, the second fixing head, the first fixing head and the connecting plate are arranged in the first main body, the grooves are formed in the upper end and the lower end of the connecting plate, and the groove in the upper side of the connecting plate is inserted in the right side of the first fixing head in a penetrating mode. A support is connected to the left side of the top of the first main body, a pulley is arranged at the top of the support, a housing is inserted into the top of the first main body in a penetrating mode, a limiting rod is inserted into the housing in a penetrating mode, and a spring is arranged outside the limiting rod in a sleeving mode; according to the design, a limiting rod can be pushed to move through a spring in a housing, so that the bottom of the limiting rod is inserted into a limiting hole formed in the top of a first fixing head, and the anti-falling device perpendicular to the lifeline is prevented from secondary falling.
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Description

Technical Field

[0001] The utility model relates to a vertical lifeline anti-falling device, belonging to the technical field of vertical lifelines. Background Art

[0002] A vertical lifeline fall protection system is a safety device used to protect workers from falling when working at heights. It usually consists of a steel cable and some anchor points, which can be fixed to high places such as buildings, bridges, towers, etc. to protect the safety of workers. First of all, it can provide reliable safety protection to prevent workers from accidentally falling when working at heights. This equipment can withstand weights of up to thousands of pounds and can protect workers' safety even if they lose their balance or slip.

[0003] The anti-fall device of the vertical lifeline will apply a downward force to the fixed head one and the fixed head two when a worker falls. At this time, the vertical lifeline will generate an upward force, so that the fixed head one and the fixed head two can be stuck on the outside of the vertical lifeline. However, the overall structure of the anti-fall device of the vertical lifeline commonly seen on the market is not perfect. Therefore, when the fixed head one and the fixed head two clamp the vertical lifeline, they cannot limit it, which may cause the anti-fall device of the vertical lifeline to fall again. Therefore, there is an urgent need for a vertical lifeline anti-fall device to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a vertical lifeline anti-falling device to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure and good practicality. The limit rod can be pushed to move by the spring inside the cover shell, so that the bottom of the limit rod will be inserted into the limit hole opened at the top of the fixed head, thereby preventing the vertical lifeline anti-falling device from causing a secondary fall.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a vertical lifeline anti-fall device, including a main body, a fixed head, a connecting plate, a slide groove, a groove, a limit pin, a limit rod, a cover shell, a spring, a limit groove, a limit hole, a main body, a bracket, a pulley and a fixed head. The interior of the main body is provided with a fixed head, a fixed head and a connecting plate. The upper and lower ends of the connecting plate are provided with grooves, and the groove on the upper side of the connecting plate is inserted into the right side of the fixed head. The bottom groove of the connecting plate is inserted into the right top of the fixed head, and the upper and lower sides of the connecting plate are interspersed with limit pins. The top left side of the main body is connected with a bracket, and the top of the bracket is provided with a pulley. The top of the main body is interspersed with a cover shell, and the interior of the cover shell is interspersed with a limit rod. The outside of the limit rod is covered with a spring. The top of the fixed head is provided with a limit groove, and the left side of the limit groove is provided with a limit hole. The surface of the main body is connected with the main body, and the surface of the connecting plate is provided with a slide groove.

[0006] Furthermore, fixing columns are provided on both sides of the bottom of the limiting rod, and the top of the fixing column contacts the bottom of the spring.

[0007] Furthermore, the inner width of the limiting groove is greater than the diameter of the bottom of the limiting rod, and the bottom of the limiting rod is elliptical.

[0008] Furthermore, the inner diameter of the limiting hole is larger than the diameter of the bottom of the limiting rod, and the inner part of the limiting hole is in an inclined state.

[0009] Furthermore, a connecting column is provided on one side of the main body 2, and the connecting column is inserted into the interior of the slide groove.

[0010] Furthermore, a group of positioning holes are opened on the surface of the main body one and the surface of the main body two, and a group of positioning inner parts allow the bolts to pass through the surfaces of the fixing head one and the fixing head two and engage with the nuts placed on the rear side of the main body one.

[0011] The beneficial effects of the utility model: the utility model is a vertical lifeline anti-falling device, at this time through the cover shell inserted through the top of the main body, so that the bottom of the limit rod inside the cover shell will slide inside the limit groove, so that the fixed head one and the bottom of the limit rod are vertical, at this time the spring outside the limit rod will push the limit rod to move, so that the limit rod can be inserted into the inside of the limit hole, and can limit the fixed head one and the fixed head two. This design can push the limit rod to move through the spring inside the cover shell, so that the bottom of the limit rod will be inserted into the inside of the limit hole opened at the top of the fixed head one, thereby preventing the vertical lifeline anti-falling device from causing a secondary fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of a vertical lifeline anti-falling device of the utility model;

[0014] Figure 2 It is a schematic diagram of the interior of a main body of a vertical lifeline fall prevention device of the utility model;

[0015] Figure 3 It is an overall schematic diagram of a fixing head of a vertical lifeline anti-fall device of the utility model;

[0016] Figure 4 It is a schematic diagram of the interior of a cover of a vertical lifeline anti-fall device of the utility model;

[0017] In the figure: 1-main body one, 101-fixed head one, 102-connecting plate, 103-slide groove, 104-groove, 105-limiting pin, 106-limiting rod, 107-cover, 108-spring, 109-limiting groove, 110-limiting hole, 2-main body two, 3-bracket, 4-pulley, 5-fixed head two. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: a vertical lifeline anti-fall device, including a main body 1, a fixed head 101, a connecting plate 102, a slide 103, a groove 104, a limit pin 105, a limit rod 106, a cover 107, a spring 108, a limit groove 109, a limit hole 110, a main body 2, a bracket 3, a pulley 4 and a fixed head 5, the main body 1 is provided with a fixed head 25, a fixed head 101 and a connecting plate 102, the upper and lower ends of the connecting plate 102 are provided with grooves 104, and the groove 104 on the upper side of the connecting plate 102 is inserted into the right side of the fixed head 101 The bottom groove 104 of the connecting plate 102 is inserted into the top right side of the fixed head 5, and the upper and lower sides of the connecting plate 102 are interspersed with limit pins 105. The left side of the top of the main body 1 is connected to the bracket 3, and the top of the bracket 3 is provided with a pulley 4. The top of the main body 1 is interspersed with a cover shell 107, and the inside of the cover shell 107 is interspersed with a limit rod 106. The outside of the limit rod 106 is sleeved with a spring 108. A limit groove 109 is provided on the top of the fixed head 101, and a limit hole 110 is provided on the left side of the limit groove 109. The surface of the main body 1 is connected to the main body 2, and the surface of the connecting plate 102 is provided with a slide groove 103.

[0020] As the first embodiment of the present invention: fixing columns are provided on both sides of the bottom of the limiting rod 106, and the top of the fixing column contacts the bottom of the spring 108. This design facilitates the spring 108 to push the limiting rod 106 to move. The inner width of the limiting groove 109 is larger than the diameter of the bottom of the limiting rod 106. The bottom of the limiting rod 106 is elliptical. This design is conducive to the bottom of the limiting rod 106 sliding inside the limiting groove 109. The inner diameter of the limiting hole 110 is larger than the diameter of the bottom of the limiting rod 106. The inside of the limiting hole 110 is inclined. When the right side of the fixed head 101 moves downward, the The top of the limiting hole 110 will be perpendicular to the bottom of the limiting rod 106, so as to facilitate the insertion and limiting. A connecting column is provided on one side of the main body 2, and the connecting column is inserted into the inside of the slide groove 103. This design is conducive to the up and down movement of the connecting plate 102. A group of positioning holes are opened on the surface of the main body 1 and the surface of the main body 2, and a group of positioning internals allow the bolts to pass through the surfaces of the fixing head 101 and the fixing head 25 and engage with the nuts placed on the rear side of the main body 1. This design is convenient for secondary fixing of the main body 1 and the main body 2, and is also conducive to positioning the fixing head 101 and the fixing head 25.

[0021] As the second embodiment of the utility model: first, the left side of the main body 1 is clamped outside the vertical lifeline, and the pulley 4 connected to the bracket 3 provided on the top of the left side of the main body 1 can increase the stability of the main body 1 when it rises and falls. When the staff falls, the fixed head 2 5 will generate a downward force, and the fixed head 101 will move downward with the fixed head 2 5 through the action of the connecting plate 102 and the limit pin 105. At this time, the cover shell 107 inserted at the top of the main body 1, so that the bottom of the limit rod 106 inside the cover shell 107 will slide inside the limit groove 109, so that the fixed head When the limiting hole 110 at the top of 101 is perpendicular to the bottom of the limiting rod 106, the spring 108 will push the limiting rod 106 to move downward through the action of the fixing column. At this time, the bottom of the limiting rod 106 will be inserted into the limiting hole 110, so that the teeth presented on the left side of the fixing head 101 and the fixing head 2 5 will be tightly stuck with the surface of the vertical lifeline. This design can push the limiting rod 106 to move through the spring 108 inside the cover 107, so that the bottom of the limiting rod 106 will be inserted into the limiting hole 110 opened at the top of the fixing head 101, thereby preventing the vertical lifeline from falling again.

[0022] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vertical lifeline anti-fall device, comprising a main body (1), a fixed head (101), a connecting plate (102), a slide groove (103), a groove (104), a limit pin (105), a limit rod (106), a cover (107), a spring (108), a limit groove (109), a limit hole (110), a main body (2), a bracket (3), a pulley (4) and a fixed head (5), Features: The main body (1) is provided with a fixing head (5), a fixing head (101) and a connecting plate (102) inside. The connecting plate (102) is provided with grooves (104) at the upper and lower ends. The groove (104) on the upper side of the connecting plate (102) is inserted into the right side of the fixing head (101). The bottom groove (104) of the connecting plate (102) is inserted into the top of the right side of the fixing head (5). The upper and lower sides of the connecting plate (102) are inserted with limit pins (105). The top left side of the main body (1) is connected to a bracket (3). A pulley (4) is provided at the top of the bracket (3), a cover shell (107) is inserted at the top of the main body (1), a limiting rod (106) is inserted inside the cover shell (107), a spring (108) is sleeved on the outside of the limiting rod (106), a limiting groove (109) is provided at the top of the fixing head (101), a limiting hole (110) is provided on the left side of the limiting groove (109), the surface of the main body (1) is connected to the main body (2), and a sliding groove (103) is provided on the surface of the connecting plate (102).

2. A vertical lifeline fall prevention device according to claim 1, Features: Fixed columns are provided on both sides of the bottom of the limiting rod (106), and the tops of the fixed columns are in contact with the bottom of the spring (108).

3. A vertical lifeline fall prevention device according to claim 1, Features: The inner width of the limiting groove (109) is greater than the diameter of the bottom of the limiting rod (106), and the bottom of the limiting rod (106) is elliptical.

4. A vertical lifeline fall prevention device according to claim 1, Features: The inner diameter of the limiting hole (110) is larger than the diameter of the bottom of the limiting rod (106), and the inside of the limiting hole (110) is in an inclined state.

5. A vertical lifeline fall prevention device according to claim 1, Features: A connecting column is provided on one side of the main body (2), and the connecting column is inserted into the interior of the sliding groove (103).

6. A vertical lifeline fall prevention device according to claim 1, Features: A group of positioning holes are opened on the surface of the main body one (1) and the surface of the main body two (2), and a group of positioning inner parts allow the bolts to pass through the surfaces of the fixing head one (101) and the fixing head two (5) and engage with the nuts placed on the rear side of the main body one (1).