Wire tightener
By adopting a worm gear structure in the tensioner, the problem that the existing tensioner cannot adjust the over-tightened line is solved, the safe adjustment and normal power supply of the line are achieved, and the practicality of the tool is improved.
Patent Information
- Application Number
- CN202423049449.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing line tensioners are unable to adjust over-tightened lines, which can easily lead to line breakage and affect the normal power supply of the power system.
A worm gear structure is used to replace the traditional ratchet pawl. Through the design of the driving structure and the driven structure, the tensioner can adjust the over-tightened line to avoid line breakage.
It realizes the callback of the over-tight line, ensures the normal power supply of the line, and improves the practicality and safety of the tool.
Smart Images

Figure CN223334293U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric power construction tools, and more specifically, relates to a wire tightener. Background Art
[0002] During the construction or inspection of overhead high-voltage lines in power systems, tightening the high-voltage lines is a very important task, which directly affects the use of the entire power line. If the power line is too loose, the sag is too large, and it is easy to swing, collide with each other and cause a short circuit; if the power line is too tight, it is easy to break the line or pull the pole apart. The wire tensioner is a special tool used to tighten the conductors of indoor porcelain bottle lines and outdoor overhead lines.
[0003] Based on the above, it is found that the current line tensioner cannot adjust the over-tightened line when in use, which makes the line easily broken and affects the use of electricity. Utility Model Content
[0004] In order to solve the above technical problems, the embodiment of the present disclosure relates to a wire tensioner to solve the problem that the current wire tensioner cannot adjust the over-tightened line, which easily causes the line to break. Through the setting of the driving structure and the driven structure, it is used by a worm gear instead of the traditional ratchet pawl, which can not only adjust the over-tightened line, but also avoid the problem of line breakage, ensure that the line can be powered normally, and improve the practicality of the tool.
[0005] The utility model is a wire tightener, which is achieved by the following specific technical means:
[0006] In a first aspect of the present disclosure, a wire tensioner is provided, specifically comprising a stabilizing support and a driving structure;
[0007] The worm gear is mounted on the support frame, and the worm gear is mounted on the support frame of the machine base, and the worm gear is mounted on the support frame of the machine base. The worm gear is mounted on the support frame of the machine base, and the worm gear is mounted on the support frame of the machine base. The worm gear is mounted on the support frame of the machine base, and the worm gear is mounted on the support frame of the machine base.
[0008] In at least some embodiments, a driven structure is provided on the outer side of the bidirectional screw rod, and the driven structure includes a moving belt block, a threaded hole, a fixed lug and a guide slide hole. A moving belt block is provided on the outer side of the bidirectional screw rod, and a threaded hole is provided in the middle of the moving belt block. The threaded hole is rotatably engaged with the bidirectional screw rod, and the upper and lower ends of the moving belt block are fixedly connected with a fixed lug, and a guide slide hole is provided on the fixed lug. The fixed lug is slidably installed on the outer side of the guide slide rod through the guide slide hole.
[0009] In at least some embodiments, hinged convex plates are fixedly connected to both sides of the moving belt block, and hinged shaft holes are formed on the hinged convex plates.
[0010] In at least some embodiments, a variable-step double-headed articulated frame is provided on the outer side of the articulated protruding plate. The variable-step double-headed articulated frame is hinged in the articulated axis hole through a first axis pin, and a second axis pin is provided between the other ends of the variable-step double-headed articulated frame.
[0011] In at least some embodiments, a rotating collar is provided on the outer side of the second shaft pin, one end of the rotating collar is fixedly connected to a connecting stud, and one end of the connecting stud is engaged with a locking bolt.
[0012] In at least some embodiments, an articulated bracket is provided at one end of the outer side of the connecting stud, an adjustment hole is opened in the middle of the articulated bracket, the articulated bracket is rotatably installed on the outer side of the connecting stud through the adjustment hole, a third axle pin is provided between the articulated brackets, and a hook is hinged on the outer side of the third axle pin.
[0013] The utility model provides a wire tightener, which has the following beneficial effects:
[0014] By setting up the driving structure and the driven structure, the worm gear is used instead of the traditional ratchet pawl, which can not only adjust the over-tight line, but also avoid the problem of line breakage, ensure that the line can be powered normally, and improve the practicality of the tool.
[0015] By providing the connecting support plate and the stabilizing lug, the supporting strength and stability of the guide slide bar are improved, and the stability of the moving belt block during movement is also improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural diagram of the present utility model.
[0017] Figure 2 It is a schematic diagram of the component structure of the driving structure of the utility model.
[0018] Figure 3 It is a schematic diagram of the worm gear structure of the driving structure of the utility model.
[0019] Figure 4 It is a schematic diagram of the structure of the moving belt block in the driven structure of the utility model.
[0020] Figure 5 It is a structural schematic diagram of the variable-stage double-head articulated frame of the utility model.
[0021] Figure 6 This is a schematic diagram of the hinged bracket and hook structure of the utility model.
[0022] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:
[0023] 1. Stable support;
[0024] 101, fixed support ring;
[0025] 2. Drive structure;
[0026] 201, fixed support plate; 2011, rotating support hole;
[0027] 202, guide slide;
[0028] 203, connecting support plate; 2031, stabilizing lug;
[0029] 204, worm; 2041, handle;
[0030] 205, worm gear; 2051, bidirectional screw;
[0031] 3. Driven structure;
[0032] 301, moving belt block; 3011, threaded hole; 3012, fixing lug; 3013, guide sliding hole;
[0033] 302, hinged convex plate; 3021, hinged shaft hole;
[0034] 303, variable-stage double-end articulated frame; 3031, first axle pin; 3032, second axle pin;
[0035] 304, rotating shaft collar; 3041, connecting stud; 3042, locking bolt;
[0036] 305, hinged bracket; 3051, adjustment hole; 3052, third axis pin;
[0037] 306. Hook. DETAILED DESCRIPTION
[0038] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0039] Example 1: As shown in the attached Figure 1 To the attached Figure 6 As shown:
[0040] The utility model provides a wire tensioner, comprising a stable support 1 and a driving structure 2;
[0041] One end of the inner side of the stable support 1 is fixedly connected with a fixed support ring 101, and the top two ends of the stable support 1 are fixedly connected with a fixed support plate 201. A rotation support hole 2011 is opened in the middle of the fixed support plate 201. The upper and lower ends of the fixed support plate 201 are fixedly connected with a guide slide 202. The other end of the guide slide 202 is fixedly connected with a stable lug 2031. A connecting support plate 203 is fixedly connected between the stable lugs 2031. A worm 204 is rotatably installed in the stable support 1. One end of the worm 204 rotates. The worm 204 is rotatably installed in the fixed support ring 101, and the other end of the worm 204 passes through the stable support 1 and is fixedly connected to the outer handle 2041. A bidirectional screw 2051 is rotatably installed inside the rotating support hole 2011. The middle of the bidirectional screw 2051 is fixedly connected to the worm wheel 205. The worm 204 is rotatably engaged with the worm wheel 205. A driven structure 3 is provided on the outer side of the bidirectional screw 2051. The driven structure 3 includes a moving belt block 301, a threaded hole 3011, a fixed lug 3012 and a guide slide hole 3013. A movable belt block 301 is provided on the outside of the screw rod 2051, and a threaded hole 3011 is provided in the middle of the movable belt block 301. The threaded hole 3011 is rotatably engaged with the bidirectional screw rod 2051. The upper and lower ends of the movable belt block 301 are fixedly connected with fixed lugs 3012. A guide sliding hole 3013 is provided on the fixed lug 3012. The fixed lug 3012 is slidably installed on the outside of the guide slide rod 202 through the guide sliding hole 3013. The worm 204 is driven to rotate by rotating the handle 2041. The worm The worm gear 204 engages with the rotation of the worm gear 205, and the worm gear 205 drives the bidirectional lead screw 2051 to rotate. The bidirectional lead screw 2051 rotates and engages with the threaded hole 3011 on the movable belt block 301, but the movable belt block 301 is guided by the upper limit of the guide slide 202 through the guide slide hole 3013 on the fixed lug 3012, so that the bidirectional lead screw 2051 drives the two groups of movable belt blocks 301 to move toward each other. By using the worm gear 205 and the worm 204 instead of the traditional ratchet pawl, the over-tightened line can be called back.
[0042] Example 2: Based on Example 1, Figure 4 、 Figure 5 and Figure 6As shown, both sides of the movable belt block 301 are fixedly connected with hinged convex plates 302, and a hinge axis hole 3021 is provided on the hinged convex plate 302. A variable-stage double-headed hinge frame 303 is provided on the outer side of the hinged convex plate 302. The variable-stage double-headed hinge frame 303 is hinged in the hinge axis hole 3021 through a first axis pin 3031. A second axis pin 3032 is provided between the other ends of the variable-stage double-headed hinge frame 303. A rotating shaft ring 304 is provided on the outer side of the second axis pin 3032. One end of the rotating shaft ring 304 is fixedly connected to a connecting stud 3041. One end of the connecting stud 3041 is engaged with a locking bolt 3042. An outer end of the connecting stud 3041 is provided with a hinge bracket 305. An adjustment hole is provided in the middle of the hinge bracket 305. The hinged bracket 305 is rotatably mounted on the outer side of the connecting stud 3041 through the adjusting hole 3051. A third axle pin 3052 is provided between the hinged bracket 305. The outer side of the third axle pin 3052 is hinged with a hook 306. Through the cooperation of the variable-level double-head hinged frame 303 and the first axle pin 3031, the hinged bracket 305 can be rotated and adjusted on the hinged convex plate 302 to prevent the moving belt block 301 from being stuck when tightening. The hinged bracket 305 can be disassembled through the cooperation of the connecting stud 3041 and the locking bolt 3042, and the hinged bracket 305 can be rotatably adjusted on the outer side of the connecting stud 3041 through the adjusting hole 3051, so that the hook 306 is suitable for use at various angles.
[0043] The specific usage and function of this embodiment are as follows:
[0044] In the present invention, by inserting the wire into the inside of the hook 306, under the setting of the hook 306, the line can be prevented from being unhooked when being tightened, and then the variable-stage double-headed articulated frame 303 is tilted and adjusted on the articulated convex plate 302 to prevent the moving belt block 301 from being stuck when being tightened, and then the worm 204 can be driven to rotate by rotating the handle 2041, and the worm 204 engages the worm wheel 205 to rotate, and the worm wheel 205 drives the bidirectional screw 2051 to rotate, and the bidirectional screw 2051 and the threaded hole 300 on the moving belt block 301 are rotated. 11 rotates and engages, but the moving belt block 301 is guided by the upper limit position of the guide slide rod 202 through the guide slide hole 3013 on the fixed lug 3012, so that the two-way screw rod 2051 drives the two groups of moving belt blocks 301 to move toward each other, and the moving belt block 301 pulls the articulated bracket 305 through the variable-level double-head articulated frame 303, and the articulated bracket 305 drives the hook 306 to move, thereby tightening the wire. If the wire is too tight, the tightness of the wire can be adjusted by rotating the handle 2041 in the opposite direction to prevent the wire from breaking.
Claims
1. A tensioner, comprising a stable support and a driving structure; The inner end of the stable support is fixedly connected to a fixed support ring, and the top two ends of the stable support are fixedly connected to fixed support plates, which are characterized by: A rotating support hole is provided in the middle of the fixed support plate, and the upper and lower ends of the fixed support plate are fixedly connected to a guide slide rod, the other end of the guide slide rod is fixedly connected to a stable lug, and a connecting support plate is fixedly connected between the stable lugs. A worm is rotatably installed in the stable support, one end of the worm is rotatably installed in the fixed support ring, and the other end of the worm passes through the stable support and is fixedly connected to the outer rotating handle, and a bidirectional screw is rotatably installed inside the rotating support hole, and a worm wheel is fixedly connected to the middle of the bidirectional screw rod, and the worm is rotatably engaged with the worm wheel.
2. A wire tensioner according to claim 1, characterized in that: A driven structure is provided on the outer side of the bidirectional screw rod, and the driven structure includes a moving belt block, a threaded hole, a fixed lug and a guide slide hole. A moving belt block is provided on the outer side of the bidirectional screw rod, and a threaded hole is provided in the middle of the moving belt block. The threaded hole is rotatably engaged with the bidirectional screw rod, and the upper and lower ends of the moving belt block are fixedly connected with the fixed lug, and a guide slide hole is provided on the fixed lug. The fixed lug is slidably installed on the outer side of the guide slide rod through the guide slide hole.
3. A wire tensioner according to claim 2, characterized in that: Both sides of the moving belt block are fixedly connected with hinged convex plates, and hinged shaft holes are provided on the hinged convex plates.
4. A wire tensioner according to claim 3, characterized in that: A variable-stage double-headed hinged frame is provided on the outer side of the hinged convex plate. The variable-stage double-headed hinged frame is hinged in the hinged shaft hole through a first shaft pin. A second shaft pin is provided between the other ends of the variable-stage double-headed hinged frame.
5. A wire tensioner according to claim 4, characterized in that: A rotating collar is provided on the outer side of the second shaft pin, one end of the rotating collar is fixedly connected to a connecting stud, and one end of the connecting stud is engaged and assembled with a locking bolt.
6. A wire tensioner according to claim 5, characterized in that: An articulated bracket is provided at one end of the outer side of the connecting stud, an adjustment hole is opened in the middle of the articulated bracket, the articulated bracket is rotatably installed on the outer side of the connecting stud through the adjustment hole, a third axle pin is provided between the articulated brackets, and a hook is hinged on the outer side of the third axle pin.