Power transmission line maintenance rope hanging device
By designing a rope-hanging device with upper and lower rollers, the wear and instability problems of ordinary hooks when moving on power transmission lines were solved, realizing synchronous movement and stable clamping of the hook and the line, and improving maintenance efficiency.
Patent Information
- Application Number
- CN202422987121.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-05
AI Technical Summary
In the maintenance of existing power transmission lines, ordinary hooks cause wear and tear on the cables when moved and are not easy to move synchronously. They also lack clamping function, which affects the stability of the tool bag and the operation of the staff.
A rope-hanging device comprising a hook body, an upper roller, and a lower roller was designed. The device uses an elastic support assembly and a locking element to clamp and synchronously move the power transmission line, reducing wear and maintaining the stability of the tool bag.
This allows for smooth movement of the hook and power transmission line, reduces wear, ensures the tool bag remains in a stable position during maintenance, and facilitates operation by staff.
Smart Images
Figure CN223729303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power transmission line overhauls technical field, concretely is a kind of power transmission line overhauls rope tethering device. BACKGROUND
[0002] In the overhaul of power transmission line, staff need to wear safety belt to climb to line to work, staff will generally fix tool bag on clothes side, for some inconveniently carried tool, will be hung on the hook on line, ensure the safety of operating personnel and the smooth progress of operation.
[0003] For the hook that tool bag is hung on line and is used, it is generally ordinary hook, and the hook is connected with the clothes on the staff by rope, and moves with the staff on line. However, ordinary hook not only causes abrasion to the insulating outer layer of power transmission cable when moving on power transmission line, but also is not convenient for synchronous movement with staff, staff move and pull the hook to oneself through rope, so that tool bag is relatively inconvenient during period;And the hook does not have the structure of clamping line, and the power transmission line where the hook is hung is usually in inclined state under the action of external force when staff overhauls on power transmission line, so that tool bag will slide to the direction close to or away from staff, and tool bag too close to staff will affect the movement and overhaul work of staff, and tool bag away from staff is not convenient for taking and placing tool. UTILITY MODEL CONTENTS
[0004] To solve the technical problems in the above background art, the utility model provides a kind of power transmission line overhauls rope tethering device.
[0005] The utility model technical scheme is as follows:
[0006] A kind of power transmission line overhauls rope tethering device, including hook body and the lock catch piece matched with it, the upper portion of lock catch piece can be opened to inboard side, the upper roller and lower roller that can hold power transmission line are provided from top to bottom in the inboard side of hook body, the axis of upper roller and lower roller is parallelly arranged, the axis of upper roller is perpendicular to the length direction of hook body, the ring is rotatably arranged below hook body, and the ring is connected with the clothes or safety belt of staff by rope, for the synchronous movement of hook body and staff on power transmission line;
[0007] Upper roller is rotatably connected with the inner wall of hook body, and is located at the upper end side of lock catch piece, lower roller is supported inboard side in hook body by elastic support assembly, and lower roller can move to the direction close to or away from upper roller;
[0008] The lower roller comprises a roller body and a central shaft fixedly arranged in the roller body, a support platform is arranged on the inner side of the lower part of the locking piece, one end of the central shaft is arranged on the support platform, and the other end is slidably connected with the hook body, and the end slidably connected with the hook body is connected with the hook body through the locking piece.
[0009] The locking piece can be opened inward by pressing the lower roller, the power transmission line is placed between the upper roller and the lower roller through the opening of the hook body, the power transmission line is clamped by the lower roller under the action of the elastic support assembly, and the position of the hook body is locked by the locking piece, so that the worker can conveniently take the tools in the tool bag hung on the hook when maintaining the line, the hook body can be moved on the power transmission line by pressing the lower roller to separate the lower roller from the lower part of the power transmission line, and the upper roller can greatly reduce the wear of the hook body and the insulating outer layer of the power transmission line.
[0010] The specific structure of the lower roller driving the locking piece to open is that the central shaft is arranged on the middle part of the upper end surface of the support platform, the upper end surface of the support platform is provided with limiting plates located on both sides of the central shaft, the central shaft of the lower roller is pressed to drive the support platform to be pressed, and then the locking piece is moved inward to open the opening of the hook body and hang the hook body on the power transmission line.
[0011] The specific structure of the elastic support assembly is that the elastic support assembly comprises two elastic members symmetrically arranged on both sides of the roller body, the elastic members are arranged along the length direction of the hook body, the lower ends of the elastic members are connected with the inner wall of the hook body, the upper ends of the elastic members are located below the corresponding end parts of the central shaft, so that when the central shaft is pressed, the upper ends of the elastic members abut against the central shaft, the elastic members can be compressed and deformed, the axis of the elastic members is consistent with the length direction of the hook body, and a telescopic rod is arranged in the elastic members, the telescopic rod is arranged along the length direction of the hook body, the lower end of the telescopic rod is connected with the hook body, and the upper end of the telescopic rod is rotatably connected with the corresponding end part of the central shaft through a sleeve, the elastic member is a compression spring, the lower roller can be moved to the side close to the power transmission line or the upper roller, the hook body and the power transmission line are clamped when the position of the hook body needs to be limited, and the phenomenon that the hook body is randomly slid to one side due to the influence of the inclination angle of the power transmission line is avoided.
[0012] The connection structure of the end part of the central shaft and the hook body is that a sliding frame is arranged on the inner wall of the hook body along the length direction of the hook body, the end of the central shaft away from the support platform is slidably arranged in the sliding frame, and the locking piece abuts against the outer surface of the central shaft through the sliding frame.
[0013] The specific structure of the locking member comprises a threaded rod and a pressing plate located inside the sliding frame, the threaded rod is threadedly connected with the sliding frame, and the threaded rod is rotationally connected with the pressing plate away from the one side of the center shaft, the axis of the threaded rod is perpendicular to the axis of the center shaft, and the end of the center shaft is pressed tightly by the pressing plate by screwing the threaded rod when the roller body and the upper roller clamp the power transmission line.
[0014] To avoid the elastic member from being twisted when compressed and affecting the normal compression deformation of the elastic member, a guide cylinder is sleeved on the lower outer side of the elastic member, the guide cylinder is connected with the inner wall of the hook body, the length of the guide cylinder is less than 1 / 2 of the length of the elastic member, and the guide cylinder can guide the lower part of the elastic member and avoid the lower part of the elastic member from being excessively bent to one side.
[0015] The end of the center shaft is arranged on one right angle surface of the triangular structure, the other right angle surface is fixedly connected with the inner side surface of the lock catch, and the inclined surface of the triangular structure is arranged close to the center shaft, so that the triangular structure of the support table can avoid interfering with the lock catch when being opened inward.
[0016] The utility model discloses the beneficial effect lies in:
[0017] By pressing the lower roller downward, the upper part of the lock catch body can be rotated to the inner side of the hook body, and then the opening of the hook body is opened, so that the hook body can be hung on the power transmission line, and by loosening the lower roller, the lower roller moves upward under the reset of the elastic member, and when the lower roller moves upward to tightly press the power transmission line on the upper roller, the lock catch body resets, and the opening of the hook body is closed, so that the hook body can smoothly move on the power transmission line through the insulating outer layer structure of the upper roller and the lower roller and the power transmission line, and the abrasion of the hook body and the power transmission line is reduced.
[0018] The lifting ring arranged below the hook body is used for hanging a tool bag and connecting with the clothes or safety belt of a worker through a rope, so that the hook body can move to the next maintenance position on the power transmission line with the worker under the state that the hook body is not locked and pressed.
[0019] The lower roller is locked in the hook body through the locking member, so that the lower roller does not rotate, the lower roller can tightly press the power transmission line upward, the position of the hook body is fixed, the hook body does not slide to the side close to or far away from the worker on the power transmission line when the worker maintains the line, the worker can take the tools in the tool bag, and the hook body can always be located at the position locked by the worker, so that the worker can normally take and place the tools in the tool bag within the stretching range of the arm. BRIEF DESCRIPTION OF DRAWINGS
[0020] In the drawings:
[0021] Figure 1is a structural schematic view;
[0022] Figure 2 is Figure 1 is an enlarged structural schematic view at A in the middle;
[0023] Figure 3 is a front view;
[0024] Figure 4 is a sectional schematic view;
[0025] Components represented by reference numerals in the drawings are as follows:
[0026] 1, hook body; 2, locking piece; 3, upper roller; 4, lower roller; 41, roller body; 42, central shaft; 5, lifting ring; 6, support table; 7, limiting plate; 8, elastic support assembly; 81, elastic piece; 82, telescopic rod; 83, guide cylinder; 9, sliding frame; 10, locking piece; 101, threaded rod; 102, clamping plate; 11, sleeve. DETAILED DESCRIPTION
[0027] Referring to Figure 1 and Figure 2 , a power line maintenance rope hitching device includes a hook body 1 and a locking piece 2 matched with the hook body 1, the hook body 1 is provided with an opening for being hung on a power line, the locking piece 2 is arranged on the opening, a lower end of the locking piece 2 is hinged to a lower end of the opening, and the locking piece 2 is connected to the hook body 1 through a torsion spring, so that an upper part of the locking piece 2 can be turned inward to open, and the hook body 1 and the locking piece 2 are prior art.
[0028] An upper roller 3 and a lower roller 4 capable of clamping the power line are arranged inside the hook body 1 from top to bottom, and axes of the upper roller 3 and the lower roller 4 are arranged in parallel, the axis of the upper roller 3 is perpendicular to a length direction of the hook body 1, a lifting ring 5 is rotatably arranged below the hook body 1, the lifting ring 5 is connected to clothes or a safety belt of a worker through a rope, and is used for synchronously moving the hook body 1 and the worker on the power line.
[0029] Referring to Figure 3 and Figure 4 , the upper roller 3 is rotatably connected to an inner wall of the hook body 1 and is located on a side of an upper end of the locking piece 2, the lower roller 4 is supported inside the hook body 1 through an elastic support assembly 8, and the lower roller 4 can move towards or away from the upper roller 3 under the action of the elastic support assembly 8, so as to realize moving or locking the hook body 1 on the power line.
[0030] Referring to Figure 4As shown, the specific structure of the elastic support assembly 8 is that the elastic support assembly 8 includes two elastic members 81 symmetrically arranged on both sides of the roller body 41, the elastic members 81 are arranged along the length direction of the hook body 1, the lower end of the elastic member 81 is connected with the inner wall of the hook body 1, and the upper end of the elastic member 81 is located below the end of the corresponding central shaft 42, so that when the central shaft 42 is pressed down, the upper end of the elastic member 81 is in contact with the central shaft 42, the elastic member 81 can be compressed and deformed, the axis of the elastic member 81 is consistent with the length direction of the hook body 1, and a telescopic rod 82 is arranged in the elastic member 81, the telescopic rod 82 is arranged along the length direction of the hook body 1, the lower end of the telescopic rod 82 is connected with the hook body 1, and the upper end of the telescopic rod 82 is rotatably connected with the end of the corresponding central shaft 42, specifically, a sleeve 11 is vertically arranged on the upper end of the telescopic rod 82, the central shaft 42 can be arranged in the sleeve 11, and the sleeve 11 is rotatably connected with the central shaft 42.
[0031] The elastic member 81 is a compression spring, which can move the lower roller 4 to the side close to the power transmission line or the upper roller 3, so that the hook body 1 is clamped with the power transmission line when it is necessary to limit the position of the hook body 1, thereby avoiding the phenomenon that the hook body 1 randomly slides to one side on the power transmission line due to the influence of the inclination angle of the power transmission line.
[0032] Referring to Figure 3 and Figure 4 As shown, in order to avoid excessive bending of the elastic member 81 when it is compressed, which affects the normal downward compression deformation of the elastic member 81, a guide cylinder 83 is arranged on the lower outer side of the elastic member 81, the guide cylinder 83 is connected with the inner wall of the hook body 1, the length of the guide cylinder 83 is less than 1 / 2 of the length of the elastic member 81, and the guide cylinder 83 can guide the lower part of the elastic member 81 to avoid excessive bending of the lower part of the elastic member 81 to one side.
[0033] The lower roller 4 includes a roller body 41 and a central shaft 42 arranged in the roller body 41 and fixedly connected with the roller body 41, the lower part of the inner side of the locking piece 2 is provided with a support table 6, one end of the central shaft 42 is arranged on the support table 6, the other end is slidably connected with the hook body 1, and the end slidably connected with the hook body 1 is connected with the hook body 1 through the locking piece 10. The connection structure of the end of the above-mentioned central shaft 42 and the hook body 1 is that the inner wall of the hook body 1 is provided with a sliding frame 9 along the length direction thereof, the end of the central shaft 42 away from the support table 6 is slidably arranged in the sliding frame 9, and the locking piece 10 passes through the sliding frame 9 and abuts against the outer surface of the central shaft 42.
[0034] The central shaft 42 of the embodiment is arranged on the middle of the upper end surface of the support table 6 and does not abut against the inner side surface of the locking piece 2, so that the central shaft 42 cannot drive the locking piece 2 to open inwardly when it moves downwardly. The support table 6 is provided with two limiting plates 7 located on the two sides of the central shaft 42, the height of the limiting plates 7 is greater than the outer diameter of the central shaft 42, so that the central shaft 42 cannot move away from the upper end surface of the support table 6. The central shaft 42 of the lower roller 4 is pressed downwardly to drive the support table 6 to move downwardly, and then drive the locking piece 2 to move inwardly, so as to open the opening of the hook body 1 and hang the hook body 1 on the power transmission line. The support table 6 is triangular in structure, the end of the central shaft 42 is arranged on one right angle surface of the triangular structure, the other right angle surface is fixedly connected with the inner side surface of the locking piece 2, and the inclined surface of the triangular structure is arranged close to the central shaft 42. The triangular structure of the support table 6 can avoid the interference of the support table 6 with the opening of the locking piece 2.
[0035] The embodiment can open the locking piece 2 inwardly by pressing the lower roller 4 downwardly. The power transmission line is placed between the upper roller 3 and the lower roller 4 through the opening of the hook body 1, the power transmission line is clamped by the lower roller 4 under the action of the elastic support assembly 8, and the position of the hook body 1 is locked by the locking piece 10, so as to facilitate the worker to take the tools in the tool bag hung by the hook when the worker is overhauling the line. The hook body 1 can be moved on the power transmission line by pressing the lower roller 4 to move away from the lower side of the power transmission line, and the upper roller 3 can greatly reduce the abrasion of the hook body 1 and the insulating outer layer of the power transmission line.
[0036] The specific structure of the locking piece 10 is that the locking piece 10 comprises a threaded rod 101 and a pressing plate 102 located in the inner side of the sliding frame 9. The threaded rod 101 is threadedly connected with the sliding frame 9, and the threaded rod 101 is rotationally connected with the side of the pressing plate 102 away from the central shaft 42 through the sliding frame 9. The axis of the threaded rod 101 is perpendicular to the axis of the central shaft 42. When the roller body 41 and the upper roller 3 clamp the power transmission line, the end of the central shaft 42 is pressed tightly by the pressing plate 102 by tightening the threaded rod 101, so as to fix the lower roller 4 and prevent it from rotating when the hook body 1 is locked on the power transmission line.
Claims
1. A power line maintenance rope hitching device comprising a hook body (1) and a shackle member (2) cooperating therewith, the upper portion of the shackle member (2) being able to be turned open to the inside, characterized in that, The upper roller (3) and the lower roller (4) are arranged in parallel with the axis of the upper roller (3) being perpendicular to the length direction of the hook body (1), and a hanging ring (5) is rotatably arranged below the hook body (1); The upper roller (3) is rotatably connected to the inner wall of the hook body (1) and is located on one side of the upper end of the locking piece (2), and the lower roller (4) is supported on the inner side of the hook body (1) by the elastic supporting assembly (8) and can move towards or away from the upper roller (3); The lower roller (4) comprises a roller body (41) and a central shaft (42) penetratingly arranged in the roller body (41) and fixedly connected to the roller body (41), and the lower part of the inner side of the locking piece (2) is provided with a supporting table (6), one end of the central shaft (42) is arranged on the supporting table (6), and the other end is slidably connected to the hook body (1) and connected to the hook body (1) by the locking piece (10).
2. A power line maintenance rope hitching device according to claim 1, characterized in that The central shaft (42) is arranged on the middle part of the upper end surface of the supporting table (6), and the upper end surface of the supporting table (6) is provided with limiting plates (7) located on both sides of the central shaft (42).
3. A power line maintenance rope hitching device according to claim 1, characterized in that The elastic supporting assembly (8) comprises two elastic members (81) symmetrically arranged on both sides of the roller body (41), the axis of the elastic member (81) is consistent with the length direction of the hook body (1), and the elastic member (81) is provided with an extension rod (82) inside, the extension rod (82) is arranged along the length direction of the hook body (1), the lower end of the extension rod (82) is connected to the hook body (1), and the upper end of the extension rod (82) is rotatably connected to the end part of the corresponding central shaft (42).
4. A transmission line maintenance rope hitching device according to claim 1, characterized in that The inner wall of the hook body (1) is provided with a sliding frame (9) along the length direction thereof, the end part of the central shaft (42) away from the supporting table (6) is slidably arranged in the sliding frame (9), and the locking piece (10) penetrates through the sliding frame (9) and abuts against the outer surface of the central shaft (42).
5. A power line maintenance rope hitching device according to claim 4, characterized in that The locking piece (10) comprises a threaded rod (101) and a clamping plate (102) arranged inside the sliding frame (9), the threaded rod (101) is threadedly connected to the sliding frame (9), the threaded rod (101) is rotatably connected to the side of the clamping plate (102) away from the central shaft (42) by penetrating through the sliding frame (9), and the axis of the threaded rod (101) is perpendicular to the axis of the central shaft (42).
6. A transmission line maintenance rope hitching device according to claim 3, characterized in that The lower part of the elastic member (81) is provided with a guide cylinder (83), the guide cylinder (83) is connected to the inner wall of the hook body (1), and the length of the guide cylinder (83) is less than 1 / 2 of the length of the elastic member (81).
7. A utility line maintenance rope hitching device according to claim 1, wherein, The supporting table (6) is a triangular structure, and the end part of the central shaft (42) is arranged on one of the right angle surfaces of the triangular structure.