Electric power climbing anti-falling device

Abstract

The utility model discloses an electric power climbing anti-falling device which comprises a guide rail, a rail plate is arranged on one side of the guide rail, a shell is arranged on one side of the guide rail, clamping parts are arranged on the two sides of the shell, front guide rollers are rotationally connected to the upper portion and the lower portion of the side, away from the clamping parts, of the interior of the shell, and the front guide rollers are rotationally connected to the upper portion and the lower portion of the side, away from the clamping parts, of the interior of the shell. Rear guide rollers are arranged on the upper portion and the lower portion of the side, away from the front guide roller, of the interior of the shell correspondingly, and the front guide roller and the rear guide rollers are both connected with the rail plate in a matched mode. The utility model relates to the technical field of climbing protection devices, and solves the technical problems that in the prior art, an anti-falling device brakes only through friction between a cam and a track, the cam of a brake rod can generate friction with the surface of the track in the long-time use process and is prone to abrasion, the braking effect is unstable, even the braking function is lost, and the anti-falling device is damaged. And under some extreme conditions, enough safety guarantee can not be effectively provided in time.

Description

Technical Field

[0001] This utility model relates to the field of climbing protection devices, specifically a power climbing fall prevention device. Background Technology

[0002] Power system workers need to climb transmission towers to install or maintain lines. Climbing fall arrestors are an important safety device, mainly used in dangerous operations such as climbing to prevent injury or death from falls due to accidents. For example, a movable guide rail fall arrestor for transmission lines, with application number "CN202311555641.9", includes a main body that can cooperate with and slide along a guide rail on the lower side of the transmission line, and a stop rod rotatably connected to the main body. The main body includes a middle section, with a fixed gripper fixedly connected to one side and a movable gripper on the other side. The fixed gripper has a first slot on the side facing the movable gripper that can be embedded in the guide rail, and the movable gripper has a second slot on the side facing the fixed gripper that can be embedded in the guide rail. A sliding groove is provided on the middle section, and a sliding rod is slidably connected in the groove. A limit mechanism is provided on the sliding rod, and a button is provided on the limit mechanism. A first mounting groove is provided on the middle section, and a first safety pin perpendicular to the sliding rod is provided in the first mounting groove. A safety groove is provided on the sliding rod.

[0003] However, this anti-fall device only brakes through the friction between the cam and the track. During long-term use, the cam of the brake lever will rub against the track surface and is prone to wear, resulting in unstable braking effect or even loss of braking function. In some extreme cases, it may not be able to provide sufficient safety protection in a timely and effective manner. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides an electric climbing fall arrest device, which solves the problem that in existing technologies, the fall arrest device brakes by friction between the cam and the track. However, the cam of the brake lever will rub against the track surface during long-term use, which is prone to wear, resulting in unstable braking effect or even loss of braking function. In some extreme cases, it may not be able to provide sufficient safety protection in a timely and effective manner.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electric climbing fall arrestor includes a guide rail, a rail plate on one side of the guide rail, a housing on one side of the guide rail, clamping portions on both sides of the housing, a front guide roller rotatably connected vertically on the side of the housing away from the clamping portions, and a rear guide roller on the side of the housing away from the front guide roller, both the front and rear guide rollers being connected to the rail plate. A brake plate is fixedly connected to the side of the clamping portion near the rail plate, and a brake rod is provided on the side of the housing away from the clamping portion. A cam is provided at the end of the brake rod near the rail plate, the cam being rotatably connected to the housing via a connecting shaft, and the cam being connected to the rail plate. Torsion springs are provided on both sides of the cam outside the connecting shaft, one end of the torsion spring being fixedly connected to the cam, and the other end of the torsion spring being fixedly connected to the housing.

[0006] Preferably, the housing has movable grooves on both sides, top and bottom, and movable blocks are connected to the inner walls of the movable grooves. The rear guide roller is rotatably connected to the movable blocks. Limiting grooves are provided on both the top and bottom of the inner walls of the movable grooves. Limiting strips are provided on both the top and bottom of the outer walls of the movable blocks. The limiting strips are connected to the limiting grooves. A spring sheet is provided inside the movable groove near the clamping part. The two ends of the spring sheet are respectively abutted against the movable groove and the movable block.

[0007] Preferably, a connecting ring is provided at the end of the brake lever away from the cam, and a safety buckle is connected to the inner wall of the connecting ring, with a buffer rod provided at the bottom of the safety buckle.

[0008] Preferably, a fixing plate is provided on the side of the guide rail away from the rail plate, and connecting plates are provided at equal intervals on the side of the guide rail away from the housing. A connecting buckle is provided on the side of the connecting plate close to the guide rail, and a clamping buckle is provided on the other side of the fixing plate located on the connecting buckle. The clamping buckle is fixedly connected to the connecting plate, and both the connecting buckle and the clamping buckle are connected in cooperation with the fixing plate.

[0009] Preferably, the housing is rotatably connected to side guide rollers on both sides of the rail plate, and the side guide rollers are connected to the rail plate in cooperation.

[0010] This utility model provides an electric climbing fall arrest device. It has the following beneficial effects: Through the cooperation of the rail plate, housing, clamping part, front guide roller, rear guide roller, brake plate, brake rod, cam, connecting shaft, and torsion spring, in the absence of a fall accident, the rotation of the front and rear guide rollers keeps the cam and brake plate separated from the rail plate, ensuring smooth and stable sliding of the fall arrest device on the rail plate surface. This avoids affecting the overall performance and lifespan of the fall arrest device due to friction and wear between the cam and brake plate, ensuring the smoothness and stability of the fall arrest device during movement. In the event of a fall accident, the rotation of the brake rod causes the protruding part of the cam and the brake plate to clamp on both sides of the rail plate, providing emergency braking of the fall arrest device and effectively preventing falls. This improves braking reliability and reduces the risk of failure that may result from a single braking method, making the braking effect of the fall arrest device more stable.

[0011] Through the cooperation between the rail plate, housing, rear guide roller, moving groove, moving block, limiting groove, limiting strip and spring plate, the spring plate provides elastic force to the moving block away from the clamping part, so that the rear guide roller keeps close to the rail plate. This allows the brake plate to remain separated from the rail plate when no fall accident occurs, avoiding friction between the brake plate and the rail plate from causing jamming in the lifting and lowering movement of the fall arrestor. This ensures the smooth lifting and lowering movement of the fall arrestor when there is no risk of fall, and at the same time avoids the impact of friction and wear of the brake plate on the overall performance and lifespan of the fall arrestor. This can improve the service life of the fall arrestor and the stability of the fall arrestor function. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the appearance of the present utility model;

[0014] Figure 3 This is a cross-sectional view of the housing, brake lever, and cam in this utility model.

[0015] Figure 4 for Figure 2 A partial sectional view of region B in the middle;

[0016] Figure 5 This is a schematic diagram showing the appearance of the connecting plate, connecting buckle, and clamping buckle in this utility model;

[0017] Figure 6 for Figure 1 A magnified view of a portion of region A in the middle.

[0018] In the diagram: 1. Guide rail, 2. Rail plate, 3. Housing, 4. Clamping part, 5. Front guide roller, 6. Rear guide roller, 7. Brake plate, 8. Brake lever, 9. Cam, 10. Connecting shaft, 11. Torsion spring, 12. Moving groove, 13. Moving block, 14. Limiting groove, 15. Limiting strip, 16. Spring plate, 17. Connecting ring, 18. Safety buckle, 19. Buffer rod, 20. Connecting plate, 21. Connecting buckle, 22. Clamping buckle, 23. Side guide roller, 24. Fixing plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In existing technologies, anti-fall devices rely solely on the friction between the cam and the track for braking. Over time, the cam of the brake lever will rub against the track surface, making it prone to wear and causing unstable braking performance or even loss of braking function. In some extreme cases, it may not be able to provide sufficient safety assurance in a timely and effective manner.

[0021] In view of this, the present invention provides an electric climbing fall arrest device. Through the cooperation of the rail plate, housing, clamping part, front guide roller, rear guide roller, brake plate, brake lever, cam, connecting shaft, and torsion spring, in the absence of a fall accident, the rotation of the front and rear guide rollers keeps the cam and brake plate separated from the rail plate, ensuring the fall arrest device slides smoothly and steadily on the rail plate surface. This avoids affecting the overall performance and lifespan of the fall arrest device due to friction and wear between the cam and brake plate, ensuring the smoothness and stability of the fall arrest device during movement. In the event of a fall accident, the rotation of the brake lever causes the protruding part of the cam to abut against the rail plate, while the side of the rail plate away from the cam abuts against the brake plate, thereby achieving emergency braking of the fall arrest device and effectively preventing fall accidents. The dual braking design of the fall arrest device improves braking reliability and reduces the risk of failure that may occur due to a single braking method.

[0022] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires. Appropriate controllers and encoders should be selected according to the actual situation to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical components are connected in sequence. The detailed connection methods are well-known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0023] Depend on Figure 1-6 As can be seen, an electric climbing fall prevention device includes a guide rail 1, a rail plate 2 on one side of the guide rail 1, a housing 3 on one side of the guide rail 1, clamping parts 4 on both sides of the housing 3, a front guide roller 5 rotatably connected to the inside of the housing 3 away from the clamping part 4, and a rear guide roller 6 rotatably connected to the inside of the housing 3 away from the front guide roller 5. The front guide roller 5 and the rear guide roller 6 are both connected to the rail plate 2. A brake plate 7 is fixedly connected to the side of the clamping part 4 near the rail plate 2. A brake rod 8 is provided on the side of the housing 3 away from the clamping part 4. A cam 9 is provided at the end of the brake rod 8 near the rail plate 2. The cam 9 is rotatably connected to the housing 3 through a connecting shaft 10. The cam 9 is connected to the rail plate 2. Torsion springs 11 are provided on both sides of the cam 9 outside the connecting shaft 10. The torsion springs 11 provide torque to the protruding part of the cam 9 away from the rail plate 2. One end of the torsion spring 11 is fixedly connected to the cam 9, and the other end of the torsion spring 11 is fixedly connected to the housing 3.

[0024] In the specific implementation process, it is worth noting that the guide rail 1 and the rail plate 2 cooperate to form the lifting track of the fall arrestor. The fall arrestor slides on the rail plate 2, allowing it to move up and down with the worker. In case of an accident, the fall arrestor quickly activates its fall arrest function, rapidly braking on the rail plate 2 to prevent the worker from falling. Through the cooperation between the rail plate 2, the housing 3, the clamping part 4, the front guide roller 5, and the rear guide roller 6, when the fall arrestor moves up and down on the rail plate 2, the rotation of the front guide roller 5 and the rear guide roller 6 ensures that the fall arrestor slides smoothly and steadily on the surface of the rail plate 2, guaranteeing the stability of the fall arrestor during movement. This improves stability and reduces friction and resistance between the fall arrestor and the rail plate 2, preventing jamming during lifting and lowering, thus ensuring smoother movement. In the event of a fall, the movement of the rear guide roller 6 allows the rail plate 2 to press against the brake plate 7, further enhancing the stability of the fall arrestor. Through the cooperation between the rail plate 2, housing 3, brake lever 8, cam 9, and connecting shaft 10, the brake lever 8 is connected and fixed to the worker's safety rope. In the event of a fall, the safety rope pulls the brake lever 8 to rotate, causing the cam 9 to rotate and press its protruding part against the rail plate 2. The torsion spring 11 provides torque to the protruding part of the cam 9 away from the rail plate 2. Through the cooperation between the rail plate 2, housing 3, brake lever 8, cam 9, connecting shaft 10, and torsion spring 11, in the absence of a fall accident, the protruding part of cam 9 is always separated from the rail plate 2 under the action of torsion spring 11, avoiding friction between the protruding part of cam 9 and rail plate 2. This ensures the smooth lifting and lowering movement of the fall arrestor when there is no risk of fall, and also avoids affecting the overall performance and lifespan of the fall arrestor due to friction and wear of brake plate 7. Through the cooperation between the rail plate 2, housing 3, clamping part 4, front guide roller 5, rear guide roller 6, brake plate 7, brake lever 8, cam 9, connecting shaft 10, and torsion spring 11, in the absence of a fall accident, the front guide roller 5 and rear guide roller 6... The rotation of roller 6 causes cam 9 and brake plate 7 to be separated from rail plate 2, ensuring that the anti-fall device slides smoothly and steadily on the surface of rail plate 2. This avoids affecting the overall performance and lifespan of the anti-fall device due to friction and wear between cam 9 and brake plate 7, and ensures the smoothness and stability of the anti-fall device during movement. In the event of a fall, the rotation of brake lever 8 causes the protruding part of cam 9 to abut against rail plate 2, while the side of rail plate 2 away from cam 9 abuts against brake plate 7, thereby achieving emergency braking of the anti-fall device and effectively preventing the occurrence of fall accidents. The dual braking design of the anti-fall device improves the reliability of braking and reduces the risk of failure that may be caused by a single braking method.

[0025] It is understood that the specific shape, type, and specifications of the guide rail 1 can be designed and adjusted according to actual needs, as long as they conform to the technical solution described in this embodiment. Of course, the structures such as the rail plate 2, housing 3, clamping part 4, front guide roller 5, rear guide roller 6, brake plate 7, brake rod 8, cam 9, connecting shaft 10, and torsion spring 11 that are adapted to it can also be adjusted according to the adjustment of the guide rail 1, as long as their assembly conditions are met. For those skilled in the art, it is understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents. This embodiment only provides one implementable technical solution and is not all embodiments.

[0026] Furthermore, both sides of the housing 3 are provided with moving grooves 12, and the inner wall of the moving groove 12 is connected to a moving block 13. The rear guide roller 6 is rotatably connected to the moving block 13. The inner wall of the moving groove 12 is provided with limit grooves 14, and the outer wall of the moving block 13 is provided with limit strips 15, which are connected to the limit grooves 14. A spring plate 16 is provided inside the moving groove 12 near the clamping part 4. The spring plate 16 provides elastic force to the moving block 13 away from the clamping part 4. The two ends of the spring plate 16 are respectively pressed against the moving groove 12 and the moving block 13.

[0027] In the specific implementation process, it is worth noting that through the cooperation between the housing 3, the moving groove 12, the moving block 13, the limiting groove 14, and the limiting strip 15, the moving block 13 can move stably within the moving groove 12. The spring plate 16 provides elastic force to the moving block 13 away from the clamping part 4. Through the cooperation between the rail plate 2, the housing 3, the rear guide roller 6, the moving groove 12, the moving block 13, the limiting groove 14, the limiting strip 15, and the spring plate 16, the spring plate 16 provides elastic force to the moving block 13 away from the clamping part 4, keeping the rear guide roller 6 pressed against the rail plate 2. This ensures that the brake plate 7 remains separated from the rail plate 2 when no fall accident occurs, preventing friction between the brake plate 7 and the rail plate 2 from affecting the lifting and lowering movement of the fall arrestor. This ensures the smooth lifting and lowering movement of the fall arrestor when there is no risk of fall, and avoids affecting the overall performance and lifespan of the fall arrestor due to friction and wear of the brake plate 7, thereby improving the service life and stability of the fall arrestor function.

[0028] Furthermore, a connecting ring 17 is provided at the end of the brake lever 8 away from the cam 9, and a safety buckle 18 is connected to the inner wall of the connecting ring 17. A buffer rod 19 is provided at the bottom of the safety buckle 18.

[0029] In the specific implementation process, it is worth noting that through the cooperation between the brake lever 8, the connecting ring 17, the safety buckle 18 and the buffer lever 19, the staff connects the safety rope to the bottom of the buffer lever 19. When a fall accident occurs, the buffer lever 19 provides a certain buffering effect for the staff, reduces the impact force on the body, and prevents the safety rope from breaking due to excessive instantaneous impact force.

[0030] Furthermore, a fixing plate 24 is provided on the side of the guide rail 1 away from the rail plate 2, and a connecting plate 20 is provided at equal intervals on the side of the guide rail 1 away from the housing 3. A connecting buckle 21 is provided on the side of the connecting plate 20 close to the guide rail 1, and a clamping buckle 22 is provided on the other side of the fixing plate 24 located on the connecting buckle 21. The clamping buckle 22 is fixedly connected to the connecting plate 20, and both the connecting buckle 21 and the clamping buckle 22 are connected to the fixing plate 24.

[0031] In the specific implementation process, it is worth noting that through the cooperation between the guide rail 1, the connecting plate 20, the connecting buckle 21, the clamping buckle 22 and the fixing plate 24, the clamping buckle 22 is fixed to the connecting plate 20 by bolts, so that the connecting buckle 21 and the clamping buckle 22 clamp and fix the fixing plate 24, and by fixing the other end of the connecting plate 20 to the power tower body, the guide rail 1 is connected to the power tower body;

[0032] Furthermore, the housing 3 is rotatably connected to both sides of the rail plate 2 with side guide rollers 23. The side guide rollers 23 are used to guide the side of the rail plate 2 to ensure that the anti-fall device maintains smooth lifting and lowering during use. The side guide rollers 23 are connected to the rail plate 2 in cooperation.

[0033] In the specific implementation process, it is worth noting that the side guide roller 23 is used to guide the side of the rail plate 2 to ensure that the fall protection device maintains smooth lifting and lowering during use, and to prevent the two sides of the housing 3 from rubbing against the rail plate 2, thereby improving the service life of the fall protection device.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A power climbing fall arrestor, comprising a guide rail (1), characterized in that: A rail plate (2) is provided on one side of the guide rail (1), and a housing (3) is provided on one side of the guide rail (1). Clamping parts (4) are provided on both sides of the housing (3). Front guide rollers (5) are rotatably connected to the inside of the housing (3) away from the clamping parts (4) both vertically. Rear guide rollers (6) are provided to the inside of the housing (3) away from the front guide rollers (5) both vertically. The front guide rollers (5) and rear guide rollers (6) are both connected to the rail plate (2). A brake plate is fixedly connected to the side of the clamping part (4) near the rail plate (2). (7) A brake rod (8) is provided on the side of the housing (3) away from the clamping part (4). A cam (9) is provided on the end of the brake rod (8) near the rail plate (2). The cam (9) is rotatably connected to the housing (3) through the connecting shaft (10). The cam (9) is connected to the rail plate (2). Torsion springs (11) are provided on both sides of the cam (9) outside the connecting shaft (10). One end of the torsion spring (11) is fixedly connected to the cam (9), and the other end of the torsion spring (11) is fixedly connected to the housing (3).

2. The electric climbing fall protection device according to claim 1, characterized in that: The housing (3) has movable grooves (12) on both sides, and movable blocks (13) are connected to the inner wall of the movable grooves (12). The rear guide roller (6) is rotatably connected to the movable blocks (13). Limiting grooves (14) are provided on both the upper and lower sides of the inner wall of the movable grooves (12). Limiting strips (15) are provided on both the upper and lower sides of the outer wall of the movable blocks (13). The limiting strips (15) are connected to the limiting grooves (14). A spring plate (16) is provided on the side of the movable groove (12) near the clamping part (4). The two ends of the spring plate (16) are respectively abutted against the movable groove (12) and the movable block (13).

3. The electric climbing fall protection device according to claim 1, characterized in that: A connecting ring (17) is provided at the end of the brake lever (8) away from the cam (9). A safety buckle (18) is connected to the inner wall of the connecting ring (17). A buffer rod (19) is provided at the bottom of the safety buckle (18).

4. The electric climbing fall protection device according to claim 1, characterized in that: A fixing plate (24) is provided on the side of the guide rail (1) away from the rail plate (2). A connecting plate (20) is provided at equal intervals on the side of the guide rail (1) away from the housing (3). A connecting buckle (21) is provided on the side of the connecting plate (20) close to the guide rail (1). A clamping buckle (22) is provided on the other side of the fixing plate (24) on the connecting buckle (21). The clamping buckle (22) is fixedly connected to the connecting plate (20). Both the connecting buckle (21) and the clamping buckle (22) are connected to the fixing plate (24).

5. The electric climbing fall protection device according to claim 1, characterized in that: The housing (3) is rotatably connected to side guide rollers (23) on both sides of the rail plate (2), and the side guide rollers (23) are connected to the rail plate (2).

Images