Maintenance safety device

Abstract

The utility model relates to the technical field of safety equipment, in particular to an overhaul safety device which is installed on a ladder and comprises a steel wire rope, a protection assembly and two end installation assemblies, and the end of the steel wire rope is connected with the ladder through the end installation assemblies. The end mounting assembly comprises a bolt, a first nut, a second nut, a lantern ring and two fixing plates, one end of the bolt penetrates through the ladder and extends to the inner side of the ladder, the first nut and the bolt are in threaded connection and located on the inner side of the ladder, the lantern ring and the two fixing plates are arranged on the bolt in a sleeving mode, the lantern ring is located between the two fixing plates, and the second nut and the bolt are in threaded connection. The second nut abuts against the fixing plate away from the ladder. The rope head of the steel wire rope is wound around the lantern ring and fixedly connected with the main body of the steel wire rope through the rope clamp, through the design of the end installation assembly, the end of the steel wire rope is fast and convenient to install and firm in fixation, and the rope sliding phenomenon is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of safety equipment, in particular to a maintenance safety device. Background Art

[0002] Equipment maintenance requires workers to climb using ladders. Workers who climb to work at heights can wear safety harnesses and fasten safety buckles to provide protection in the event of a fall, thereby reducing the possibility of injury. However, in the prior art, falls may also occur during the process of climbing or descending a ladder, which requires workers to constantly switch the buckle fastening position during the climbing process. This is not only cumbersome to operate, but also greatly reduces the maintenance efficiency. There are still certain safety risks during the switching process. In addition, the safety device installation efficiency in the prior art is low, and the end of the wire rope is installed on the ladder by binding, which is prone to the phenomenon of binding point sliding during use. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the falling incidents that may also occur in the process of climbing or descending the ladder in the prior art, it is necessary for workers to constantly switch the locking position of the lock during the climbing process, which is not only cumbersome to operate and greatly reduces the maintenance efficiency, but also there are still certain safety risks in the switching process, and a maintenance safety device is provided.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a maintenance safety device, which is installed on a ladder, and includes a steel wire rope, a protection component and two end mounting components, the ends of the steel wire rope are connected to the ladder through the end mounting components, and the protection component is arranged on the steel wire rope and can move with the user;

[0005] The end mounting assembly includes a bolt, a first nut, a second nut, a collar and two fixing plates, one end of the bolt passes through the ladder and extends to the inside of the ladder, the first nut is threadedly connected to the bolt and is located on the inside of the ladder, and the first nut abuts against the inside of the ladder, the collar and the two fixing plates are both sleeved on the bolt, and the collar is located between the two fixing plates, the second nut is threadedly connected to the bolt, and the second nut abuts against the fixing plate away from the ladder;

[0006] The rope end of the wire rope is passed through the ring and fixedly connected to the main body of the wire rope through the rope clamp. Through the design of the end mounting assembly, the end of the wire rope can be installed quickly and conveniently, and is firmly fixed to avoid the phenomenon of rope slippage.

[0007] In order to solve the problem that the maintenance safety device is not firmly locked in the event of a fall, the protection assembly further includes a first locking seat, a second locking seat, a first locking rod, a second locking rod and a connecting rod;

[0008] The first locking seat is provided with a first installation groove for allowing the steel wire rope to pass through, the steel wire rope is located in the first installation groove, and the first locking seat can move along the axial direction of the steel wire rope, the first locking rod is rotatably connected to the first locking seat, the end of the first locking rod close to the steel wire rope can be away from or close to the steel wire rope, and it can clamp the steel wire rope under the cooperation of the first locking seat, and the first locking rod is against the notch of the first installation groove to form a closed area;

[0009] The second locking seat is provided with a second installation groove for the steel wire rope to pass through, the steel wire rope is located in the second installation groove, and the second locking seat can move along the axial direction of the steel wire rope, the second locking rod is rotatably connected to the second locking seat, the end of the second locking rod close to the steel wire rope can be away from or close to the steel wire rope, and it can clamp the steel wire rope under the cooperation of the second locking seat, and the second locking rod is against the notch of the second installation groove to form a closed area;

[0010] One end of the connecting rod is rotatably connected to the first locking rod, and the other end is rotatably connected to the second locking rod. Through the steel wire rope, the first locking seat that can move along the steel wire rope, and the first locking rod that can clamp the steel wire rope, it can play a protective role in case of a fall, preventing the worker from falling directly to the ground.

[0011] Through the design of the first installation groove and the second installation groove and the cooperation of the first locking rod and the second locking rod, the wire rope can be quickly clamped and fixed, thereby improving the installation efficiency.

[0012] In order to solve the problem of low connection strength between the first locking seat and the second locking seat, the invention further comprises a first locking rod rotatably connected to the second locking seat, and a second locking rod rotatably connected to the first locking seat.

[0013] In order to solve the problem that the wire rope is easy to slip during use, the notch of the first installation groove and the notch of the second installation groove are further arranged on opposite sides.

[0014] In order to solve the problem of the risk of the wire rope slipping, the first installation groove and the second installation groove are further included in a U-shaped structure.

[0015] The invention further comprises a buckle ring on one end of the first locking rod away from the steel wire rope.

[0016] The beneficial effects of the utility model are as follows: the maintenance safety device provided by the utility model makes the end of the wire rope fast and convenient to install and firmly fixed through the design of the end installation component, thus avoiding the phenomenon of rope slippage;

[0017] The steel wire rope, the first locking seat capable of moving along the steel wire rope, and the first locking rod capable of clamping the steel wire rope can play a protective role in case of a fall, thereby preventing the worker from falling directly to the ground.

[0018] Through the design of the first installation groove and the second installation groove and the cooperation of the first locking rod and the second locking rod, the wire rope can be quickly clamped and fixed, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 This utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 3 This utility model Figure 1 Schematic diagram of the enlarged structure at point B in the middle.

[0023] In the figure: 1. wire rope, 2. protection assembly, 21. first locking seat, 211. first mounting groove, 221. second mounting groove, 23. first locking rod, 24. second locking rod, 25. connecting rod, 26. buckle, 3. end mounting assembly, 31. bolt, 32. first nut, 33. second nut, 34. ring, 35. fixing plate, 36. rope clamp, 4. ladder. DETAILED DESCRIPTION

[0024] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0025] Embodiment 1:

[0026] like Figure 1 It is a structural schematic diagram of the utility model, a maintenance safety device, which is installed on a ladder 4, and includes a steel wire rope 1, a protection component 2 and two end mounting components 3. The ends of the steel wire rope 1 are connected to the ladder 4 through the end mounting components 3, and the protection component 2 is arranged on the steel wire rope 1 and can move with the user;

[0027] like Figure 3 As shown, the end mounting assembly 3 includes a bolt 31, a first nut 32, a second nut 33, a collar 34 and two fixing plates 35. One end of the bolt 31 passes through the ladder 4 and extends to the inside of the ladder 4. The first nut 32 is threadedly connected with the bolt 31 and is located on the inside of the ladder 4, and the first nut 32 abuts against the inside of the ladder 4. The collar 34 and the two fixing plates 35 are both sleeved on the bolt 31, and the collar 34 is located between the two fixing plates 35. The second nut 33 is threadedly connected with the bolt 31, and the second nut 33 abuts against the fixing plate 35 away from the ladder 4.

[0028] The rope end of the wire rope 1 is wrapped around the ring 34 and fixedly connected to the main body of the wire rope 1 through the rope clamp 36. The design of the end mounting assembly 3 makes the end of the wire rope 1 quick and convenient to install and firmly fixed to avoid the phenomenon of rope slippage. At least one rope clamp 36 is installed. In this application, three rope clamps 36 are installed at intervals. This application does not make any specific restrictions on the number of rope clamps 36.

[0029] like Figure 2 As shown, the protection assembly 2 includes a first locking seat 21, a second locking seat 22, a first locking rod 23, a second locking rod 24 and a connecting rod 25;

[0030] The first locking seat 21 is provided with a first installation groove 211 for the steel wire rope 1 to pass through. The steel wire rope 1 is located in the first installation groove 211, and the first locking seat 21 can move axially along the steel wire rope 1. The first locking rod 23 is rotatably connected to the first locking seat 21. The end of the first locking rod 23 close to the steel wire rope 1 can be away from or close to the steel wire rope 1, and it can clamp the steel wire rope 1 under the cooperation of the first locking seat 21. The first locking rod 23 is against the notch of the first installation groove 211 to form a closed area. Through the steel wire rope 1, the first locking seat 21 that can move along the steel wire rope 1, and the first locking rod 23 that can clamp the steel wire rope 1, a protective effect can be played in the event of a fall, preventing the worker from falling directly to the ground;

[0031] The second locking seat 22 is provided with a second mounting groove 221 for the steel wire rope 1 to pass through, the steel wire rope 1 is located in the second mounting groove 221, and the second locking seat 22 can move axially along the steel wire rope 1, the second locking rod 24 is rotatably connected to the second locking seat 22, and the end of the second locking rod 24 close to the steel wire rope 1 can be away from or close to the steel wire rope 1, and it can clamp the steel wire rope 1 under the cooperation of the second locking seat 22, and the second locking rod 24 is against the notch of the second mounting groove 221 to form a closed area. Through the design of the first mounting groove 211 and the second mounting groove 221 and under the cooperation of the first locking rod 23 and the second locking rod 24, the steel wire rope 1 can be quickly embedded and fixed, thereby improving the installation efficiency;

[0032] One end of the connecting rod 25 is rotatably connected to the first locking rod 23, and the other end is rotatably connected to the second locking rod 24. Through the linkage cooperation of the first locking rod 23 and the second locking rod 24, the locking force can be strengthened and the safety can be further improved. The number of connecting rods 25 can be one or more.

[0033] A plurality of locking rods may be designed on the first locking seat 21, and the number of the locking rods is not specifically limited;

[0034] One end of the connecting rod 25 is rotatably connected to the first locking rod 23, and the other end is rotatably connected to the second locking rod 24. Through the steel wire rope 1, the first locking seat 21 that can move along the steel wire rope 1, and the first locking rod 23 that can clamp the steel wire rope 1, a protective effect can be played in the event of a fall, preventing the worker from falling directly to the ground.

[0035] Through the design of the first installation groove 211 and the second installation groove 221 and the cooperation of the first locking rod 23 and the second locking rod 24, the steel wire rope 1 can be quickly inserted and fixed, thereby improving the installation efficiency.

[0036] The first locking rod 23 is rotatably connected to the second locking seat 22 , and the second locking rod 24 is rotatably connected to the first locking seat 21 , so that the first locking seat 21 and the second locking seat 22 are connected, thereby increasing the structural strength of the protection component 2 .

[0037] The first installation groove 211 and the second installation groove 221 are U-shaped structures. The design of the first installation groove 211 can realize the rapid insertion and installation of the steel wire rope 1 and can provide a limiting effect for the steel wire rope 1 to prevent it from slipping out of the installation groove.

[0038] A buckle 26 is provided on one end of the first locking rod 23 away from the steel wire rope 1 , and the buckle 26 is used for buckling with a worker's buckle.

[0039] When in use, the worker buckles the lock on the buckle 26. When the worker starts to climb, the first locking seat 21 can move along the wire rope 1 and follow the worker. If a fall occurs, due to the worker falling, the first locking rod 23 away from the end of the wire rope 1 has a downward force, causing the first locking rod 23 to rotate, so that the end of the first locking rod 23 close to the wire rope 1 is close to the wire rope 1 and clamps the wire rope 1 with the cooperation of the first locking seat 21, thereby achieving locking positioning and preventing the worker from falling directly to the ground.

[0040] Embodiment 2:

[0041] The technical features that distinguish the second embodiment from the first embodiment are: the notch of the first installation groove 211 and the notch of the second installation groove 221 .

[0042] The notch of the first installation groove 211 and the notch of the second installation groove 221 are arranged on opposite sides. The installation grooves arranged on opposite sides can reduce the situation where the wire rope 1 escapes from the first locking seat 21.

[0043] The present application may have a plurality of locking seats with mounting grooves. When there are a plurality of mounting grooves, two of the locking seats still have mounting grooves arranged on opposite sides, and further, the mounting grooves arranged on opposite sides are arranged in a staggered manner.

[0044] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A maintenance safety device, characterized in that: The maintenance safety device is installed on a ladder (4), and comprises a steel wire rope (1), a protection assembly (2) and two end mounting assemblies (3); the ends of the steel wire rope (1) are connected to the ladder (4) via the end mounting assemblies (3); the protection assembly (2) is arranged on the steel wire rope (1) and can move with the user; The end mounting assembly (3) comprises a bolt (31), a first nut (32), a second nut (33), a collar (34) and two fixing plates (35); one end of the bolt (31) passes through the ladder (4) and extends to the inside of the ladder (4); the first nut (32) and the bolt (31) are threadedly connected and are located on the inside of the ladder (4); the first nut (32) abuts against the inside of the ladder (4); the collar (34) and the two fixing plates (35) are both sleeved on the bolt (31), and the collar (34) is located between the two fixing plates (35); the second nut (33) and the bolt (31) are threadedly connected, and the second nut (33) abuts against the fixing plate (35) away from the ladder (4); The rope end of the steel wire rope (1) is wound around a ring (34) and fixedly connected to the main body of the steel wire rope (1) through a rope clamp (36).

2. A maintenance safety device according to claim 1, characterized in that: The protection assembly (2) comprises a first locking seat (21), a second locking seat (22), a first locking rod (23), a second locking rod (24) and a connecting rod (25); The first locking seat (21) has a first installation groove (211) for allowing the steel wire rope (1) to pass through, the steel wire rope (1) is located in the first installation groove (211), and the first locking seat (21) can move axially along the steel wire rope (1), the first locking rod (23) and the first locking seat (21) are rotatably connected, the end of the first locking rod (23) close to the steel wire rope (1) can move away from or close to the steel wire rope (1), and it can clamp the steel wire rope (1) under the cooperation of the first locking seat (21), and the first locking rod (23) is pressed against the notch of the first installation groove (211) to form a closed area; The second locking seat (22) has a second installation groove (221) for allowing the steel wire rope (1) to pass through, the steel wire rope (1) is located in the second installation groove (221), and the second locking seat (22) can move axially along the steel wire rope (1), the second locking rod (24) is rotatably connected to the second locking seat (22), the end of the second locking rod (24) close to the steel wire rope (1) can move away from or close to the steel wire rope (1), and it can clamp the steel wire rope (1) under the cooperation of the second locking seat (22), and the second locking rod (24) is against the notch of the second installation groove (221) to form a closed area; One end of the connecting rod (25) is rotatably connected to the first locking rod (23), and the other end is rotatably connected to the second locking rod (24).

3. A maintenance safety device according to claim 2, characterized in that: The first locking rod (23) is rotatably connected to the second locking seat (22), and the second locking rod (24) is rotatably connected to the first locking seat (21).

4. A maintenance safety device according to claim 2, characterized in that: The notch of the first installation groove (211) and the notch of the second installation groove (221) are arranged on opposite sides.

5. A maintenance safety device according to claim 2, characterized in that: The first mounting groove (211) and the second mounting groove (221) are U-shaped structures.

6. A maintenance safety device according to claim 2, characterized in that: A buckle (26) is provided on the end of the first locking rod (23) away from the steel wire rope (1).

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