Novel single-steel-cable overhead roller sliding block for horizontal lifeline

Abstract

The utility model relates to a novel overhead roller sliding block for a single-steel-cable horizontal lifeline, which comprises a fixed rear plate and a panel, the panel and the fixed rear plate are arranged at an interval and are fixed through a connecting assembly, and a fixed front plate is movably connected between the panel and the fixed rear plate through a locking device. A channel for a lifeline steel rope to pass through is formed between the fixed rear plate and the fixed front plate; a stress supporting hole is formed in the side, deviating from the fixed rear plate, of the fixed front plate, a rocker is movably arranged in the stress supporting hole, one end of the rocker extends out of the fixed front plate to pull a falling person when the person falls, and falling accidents are avoided; at least one roller is rotatably arranged in the channel above the fixed rear plate, and a sunken part is arranged on the outer wall of the roller, so that the lifeline steel wire rope does not deviate when passing through the sunken part. The lifeline supporting seat has the advantages that the risk that the sliding block tilts to interfere with the front face of the supporting seat when passing through the lifeline supporting seat is avoided, the better passing performance is achieved, the falling risk of constructors is reduced, and meanwhile high-altitude grabbing is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of safety protection equipment technology, and in particular to a novel overhead roller slider for a single steel cable horizontal lifeline. Background Technology

[0002] Horizontal lifelines must be equipped with lifeline supports (including intermediate supports or steering supports) at regular intervals to support the wire rope, keep the wire rope horizontal and prevent it from sagging. After the wire rope passes through the intermediate support, there will be a raised height difference at the support position that is higher than the wire rope.

[0003] Horizontal lifeline sliders need to move freely on horizontally installed lifeline wire ropes. Currently, all overhead sliders on the market require manual pulling to pass the height difference of the protrusion when passing the lifeline support. However, due to the limited width of the sliding channel between the lifeline slider and the wire rope, there is a high probability that manually pulling will cause the front end of the slider to tilt up, resulting in the lifeline slider interfering with the lifeline support and preventing it from moving freely and smoothly. This is especially true for overhead-installed horizontal lifelines, because their installation height is much higher than head height, making it impossible for the hand to reach the lifeline slider. When stuck, the only solution is to pull the safety rope below the slider multiple times to allow it to pass the lifeline support.

[0004] However, whether the front end of the slider is pulled up or the safety rope below the slider is pulled to force passage, it will cause irreversible damage to the slider, which will lead to the risk of workers falling during use. At the same time, it is also easy for workers to make mistakes by forcibly operating the slider because it is not easy to grip it. Utility Model Content

[0005] To ensure that the slider does not tilt up and interfere with the support seat when passing the lifeline support, and to have better passing performance, reduce the risk of construction workers falling, and facilitate high-altitude gripping, this utility model provides a new type of overhead roller slider for single steel cable horizontal lifelines.

[0006] This utility model provides a novel overhead roller slider for a single steel cable horizontal lifeline, employing the following technical solution:

[0007] A novel overhead roller slider for a single steel cable horizontal lifeline includes a fixed back plate and a front plate. The front plate and the fixed back plate are spaced apart and fixed by a connecting component. A fixed front plate is movably connected between the front plate and the fixed back plate by a locking device. A channel for the lifeline steel rope to pass through is formed between the fixed back plate and the fixed front plate.

[0008] A force-bearing support hole is provided between the fixed front plate and the panel on the side opposite to the fixed rear plate. A rocker arm is movably installed in the force-bearing support hole. One end of the rocker arm extends out of the fixed front plate to catch the falling person and prevent a fall accident.

[0009] Preferably, at least one roller is rotatably arranged above the fixed back plate within the channel, and the outer wall of the roller is provided with a recess to prevent the lifeline wire rope from deviating when passing through.

[0010] Furthermore, the connecting assembly includes a pin and a custom bushing. The panel and the fixed rear plate are fixedly connected by the pin. The pin passes through the fixed front plate and the roller. The custom bushing is sleeved outside the pin and works in conjunction with the fixed front plate and the roller.

[0011] Furthermore, the end of the pin that connects to the fixed rear plate is provided with a limiting thread.

[0012] Preferably, the fixed front plate is provided with a limiting groove to restrict the range of movement of the rocker arm, and the rocker arm is provided with a sliding limit rod that cooperates with the limiting groove to ensure that the rocker arm will not flip under force.

[0013] Preferably, the locking device is a manual spring locking device. The fixed front plate is provided with a slot and a locking hole that slide with the locking device. When the locking device button is pressed, the fixed front plate is unlocked and can move within the range limited by the slot.

[0014] Preferably, the rocker arm is disposed between the panel and the fixed front plate, and the panel is provided with a movable groove, allowing the rocker arm to swing left and right within the movable groove, with the swing range limited by the movable groove.

[0015] Preferably, the end of the rocker arm extending out of the fixed front plate is provided with an eccentric bend, and the eccentric bend is provided with an enlarged hanging hole, which is located directly below the fixed front plate.

[0016] Preferably, the rocker arm is provided with a drop deformation indicator groove.

[0017] Preferably, the fixed rear plate and the fixed front plate are each provided with an oblique opening on the opposite side, and the lifeline wire rope slides between the two opposite oblique openings.

[0018] In summary, this utility model has at least one of the following beneficial technical effects:

[0019] 1. When this utility model is used, it innovatively separates the functional areas of the lifeline slider, making the functions clear. When a person falls, the slider can intuitively display that a fall has occurred, and plastic deformation can ensure that the slider cannot be used again to avoid the risk of a secondary fall.

[0020] 2. The novel single-cable horizontal lifeline top-mounted roller slider of this utility model, through a quadruple anti-detachment design, ensures that personnel cannot accidentally detach from the lifeline wire rope when falling.

[0021] 3. The movable rocker design of this utility model ensures that the slider will not tilt up and interfere with the support seat head-on when passing the lifeline support seat, and has better passing performance.

[0022] 4. The overhead roller slider of this utility model for a new type of single steel cable horizontal lifeline adopts an ergonomic design, which is easy to grip at heights and easy to install. When connecting to the lifeline, it can be hung up. When removing it, at least two steps must be taken, with zero risk of misoperation, and the risk of personnel falling due to misoperation can be completely eliminated. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a novel overhead roller slider for a single steel cable horizontal lifeline according to this utility model;

[0024] Figure 2 This is a cross-sectional schematic diagram showing the structure at the connecting component, which is the main feature of this utility model.

[0025] Figure 3 This is an exploded view of the structure of a novel overhead roller slider for a single steel cable horizontal lifeline according to this utility model. Figure 1 ;

[0026] Figure 4 This is an exploded view of the structure of a novel overhead roller slider for a single steel cable horizontal lifeline according to this utility model. Figure 2 .

[0027] Reference numerals: 1. Fixed back plate; 2. Front panel; 3. Connecting assembly; 31. Pin; 311. Limiting thread; 312. Riveting head; 32. Custom bushing; 4. Locking device; 5. Fixed front plate; 51. Force support hole; 52. Limiting groove; 53. Slot; 54. Locking hole; 6. Angled opening; 7. Rocker arm; 71. Drop deformation indicator groove; 72. Eccentric bend; 73. Enlarged suspension hole; 8. Sliding limit rod; 9. Roller; 10. Movable groove. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The terms "a" or "an" and similar expressions used in this utility model specification and claims do not indicate a limitation on quantity, but rather indicate the presence of at least one.

[0030] The following is in conjunction with the appendix Figure 1-4 The present invention will be described in further detail below.

[0031] This utility model discloses a novel overhead roller slider for a single steel cable horizontal lifeline.

[0032] Reference Figure 1-Figure 4 A novel overhead roller slider for a single steel cable horizontal lifeline includes a fixed rear plate 1 and a front plate 2. The front plate 2 and the fixed rear plate 1 are spaced apart and fixed by a connecting component 3. A fixed front plate 5 is movably connected between the front plate 2 and the fixed rear plate 1 by a locking device 4. A channel for the lifeline steel rope to pass through is formed between the fixed rear plate 1 and the fixed front plate 5, preventing the steel wire rope from coming out.

[0033] The fixed rear plate 1 and the fixed front plate 5 are both integrally formed with beveled openings 6 on opposite sides. The lifeline wire rope slides between the two opposite beveled openings 6 to ensure that the slider and the lifeline support seat do not interfere with each other from below, and smoothly pass through the lifeline intermediate support seat and the steering support seat.

[0034] In a further embodiment, the fixed front plate 5 is a movable part in the slider. Under normal use, it forms a narrow channel with the fixed rear plate 1 to fix the wire rope in the channel. The gap formed can only be passed through the lifeline support seat, and the wire rope cannot be detached. A force support hole 51 is provided between the side of the fixed front plate 5 away from the fixed rear plate 1 and the panel 2. A rocker arm 7 is movably connected in the force support hole 51. One end of the rocker arm 7 extends out of the fixed front plate 5 to catch the falling person and prevent a fall accident.

[0035] The fixed front plate 5 is provided with a limiting groove 52 that limits the movement range of the rocker arm 7. The rocker arm 7 is provided with a sliding limit rod 8 that cooperates with the limiting groove 52 to ensure that the rocker arm 7 will not flip or tilt under force. In this embodiment, the sliding limit rod 8 can be a stainless steel bushing to ensure that it can move freely under a firm condition.

[0036] Reference Figure 1-Figure 4In a further embodiment, at least one roller 9 is rotatably mounted above the fixed back plate 1 within the channel. The outer wall of the roller 9 is provided with a recess to prevent the lifeline wire rope from deviating when passing through. The roller 9 has an integrally formed bearing limiting protrusion and a bearing locking groove for installing the bearing. In this embodiment, two rollers 9 are preferably arranged symmetrically, and the lifeline wire rope slides between the two rollers 9. The limiting protrusion and bearing locking groove in the roller 9 are existing technologies and will not be described in detail.

[0037] Furthermore, the connecting component 3 includes a pin 31 and a custom bushing 32. The panel 2 and the fixed back plate 1 are fixedly connected by the pin 31. The pin 31 passes through the fixed front plate 5 and the roller 9. The custom bushing 32 is sleeved on the outside of the pin 31 and works in conjunction with the fixed front plate 5 and the roller 9. Specifically, the roller 9 is limited between the fixed front plate 5, the fixed back plate 1, and the panel 2 by the custom bushing 32 to ensure that the position of the roller 9 in the moving slider will not deflect after assembly.

[0038] Furthermore, the end of the pin 31 that connects to the fixed rear plate 1 is provided with a limiting thread 311, which can ensure the uniformity of the assembly; the pin 31 is equipped with a riveting fixing head 312, which ensures the stability of the assembly.

[0039] In a further embodiment, the locking device 4 is a manual spring locking device 4 with a limit locking pin. The front plate 5 is integrally formed with a slot 53 that slides with the locking device 4 and a locking hole 54 for locking. When the button of the locking device 4 is pressed, the front plate 5 is unlocked and can move within the range limited by the slot 53. The locking device 4 is equipped with a spring device. The manual button drives the front limit locking pin to move. After releasing the button, it automatically returns to the locked state. The locking device 4 is threaded and connected to the rear plate 1.

[0040] Reference Figure 2 and Figure 3 In a further embodiment, the rocker arm 7 is installed between the panel 2 and the fixed front plate 5. The panel 2 has a movable groove 10. The rocker arm 7 can swing left and right in the movable groove 10 by sliding the limiting rod 8 and the swing range is limited by the movable groove 10.

[0041] Panel 2 has two bolt mounting holes that can be used with pin 31. With the help of a custom bushing 32, the front panel 5 can be moved up and down to fix it while panel 2 is fixed.

[0042] Panel 2 can also be labeled with a logo to improve recognizability.

[0043] Reference Figure 1-Figure 4In a further embodiment, the movable rocker arm 7 is cut from a steel plate and has a fall deformation indicator groove 71 on the top, which can be visually reflected when a person falls; the end of the rocker arm 7 extending out of the fixed front plate 5 is integrally formed with an eccentric bend 72, and the eccentric bend 72 is provided with an enlarged hanging hole 73, and the position of the hanging hole is always directly below the moving slider under normal use, without deflection; the enlarged hanging hole 73 can be used to hang various safety hooks.

[0044] The implementation principle of the novel overhead roller slider for a single steel cable horizontal lifeline in this embodiment of the invention is as follows:

[0045] 1. To open the movable slider, first press the button on the locking device 4 by hand, and then push the fixed front plate 5 connected to the movable rocker arm 7 upward to open the movable slider. After opening, the slider can be hung on the lifeline wire rope or removed from the lifeline wire rope.

[0046] 2. When the device is open, simply pull the movable joystick 7 down to close the moving slider. The locking device 4 will automatically lock, and the fixed front plate 5 cannot be opened again unless manually operated, thus preventing the wire rope from coming off.

[0047] This utility model embodiment discloses a novel overhead roller slider for a single-cable horizontal lifeline, employing a triple anti-derailment mechanism for the steel wire rope as follows:

[0048] 1. The slider limiter has an opening facing downwards that mates with the lifeline support, hanging on the wire rope like a hook, and will not fall off when under stress.

[0049] 2. The joystick 7 has a sliding limit rod 8, which moves within the limit groove of the fixed front plate 5. In the event of a fall, it will form a fulcrum to prevent the moving slider from flipping over.

[0050] 3. Even when the moving slider is flipped, the wire rope can be confined within the narrow channel of the slider to prevent it from falling off due to the limiting opening formed between the fixed rear plate 1 and the fixed front plate 5.

[0051] The principle of preventing misoperation of a novel overhead roller slider for a single steel cable horizontal lifeline according to this utility model embodiment is as follows:

[0052] 1. When using the lifeline moving slider, a safety hook, safety rope or fall arrestor must be suspended below the main attachment point of the rocker arm 7. The moving slider of this design can only be opened when the rocker arm 7 is pushed upward. It must be in the closed state when in use and is limited by a locking device 4 to avoid the risk of falling due to misoperation.

[0053] 2. The movable slider can only be opened by two steps. The conditions are that you must stand in a safe area, not under any force, and you must press the button by hand and push the fixed front plate 5 or the joystick 7 upward to open the movable slider. This can completely prevent workers from accidentally causing the lifeline wire rope to come off.

[0054] 3. To move the slider, simply hang it upwards on the wire rope and pull it down to lock it, which is convenient and quick.

[0055] 4. This design has a compact structure, clearly defined functions for each part, conforms to ergonomic design, is easy to grip, and is extremely simple to open and lock.

[0056] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A novel overhead roller slider for a single steel cable horizontal lifeline, characterized in that, It includes a fixed back plate (1) and a front plate (2). The front plate (2) is spaced apart from the fixed back plate (1) and fixed by a connecting component (3). The front plate (5) is movably connected between the front plate (2) and the fixed back plate (1) by a locking device (4). A channel for the lifeline steel rope to pass through is formed between the fixed back plate (1) and the fixed front plate (5). A force-bearing support hole (51) is provided between the side of the fixed front plate (5) away from the fixed rear plate (1) and the panel (2). A rocker arm (7) is movably installed in the force-bearing support hole (51). One end of the rocker arm (7) extends out of the fixed front plate (5) to catch the falling person when they fall, so as to avoid falling accidents.

2. The novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: At least one roller (9) is rotatably arranged above the fixed back plate (1) within the channel. The outer wall of the roller (9) is provided with a recess to prevent the lifeline wire rope from deviating when passing through.

3. The novel overhead roller slider for a single steel cable horizontal lifeline according to claim 2, characterized in that: The connecting assembly (3) includes a pin (31) and a custom bushing (32). The panel (2) and the fixed rear plate (1) are fixedly connected by the pin (31). The pin (31) passes through the fixed front plate (5) and the roller (9). The custom bushing (32) is sleeved on the outside of the pin (31) and works in conjunction with the fixed front plate (5) and the roller (9).

4. The novel overhead roller slider for a single steel cable horizontal lifeline according to claim 3, characterized in that: The pin (31) is provided with a limiting thread (311) at one end that is connected to the fixed back plate (1).

5. The novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: The fixed front plate (5) is provided with a limiting groove (52) that limits the range of movement of the rocker arm (7). The rocker arm (7) is provided with a sliding limiting rod (8) that cooperates with the limiting groove (52) to ensure that the rocker arm (7) will not flip when subjected to force.

6. The novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: The locking device (4) is a manual spring locking device (4). The fixed front plate (5) is provided with a slot (53) that slides with the locking device (4) and a locking hole (54) for locking. When the button of the locking device (4) is pressed, the fixed front plate (5) is unlocked and the fixed front plate (5) can move within the range limited by the slot (53).

7. The novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: The rocker arm (7) is positioned between the panel (2) and the fixed front plate (5). The panel (2) is provided with a movable groove (10). The rocker arm (7) can swing left and right within the movable groove (10) and the swing range is limited by the movable groove (10).

8. A novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: The rocker arm (7) has an eccentric bend (72) at one end extending out of the fixed front plate (5). The eccentric bend (72) has an enlarged hanging hole (73) located directly below the fixed front plate (5).

9. A novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: The rocker arm (7) is provided with a drop deformation indicator groove (71).

10. A novel overhead roller slider for a single steel cable horizontal lifeline according to claim 1, characterized in that: The fixed rear plate (1) and the fixed front plate (5) are both provided with slanted openings (6) on opposite sides, and the lifeline wire rope slides between the two opposite slanted openings (6).

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