Wire tightener for power transmission and transformation line construction
By designing components such as a tensioning mechanism, positioning clamp, wire guide wheel, and wire clamp adjustment seat, the problem of unstable positioning of the conductor tensioner during construction was solved, achieving stable positioning and safe operation of the conductor, and adapting to the conductor tensioning needs in different directions.
Patent Information
- Application Number
- CN202520215932.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-11
AI Technical Summary
During construction, existing wire tensioners can cause torque to be generated in the positioning structure when the wire is pulled from different directions, which affects the reliability of the positioning structure and poses a safety hazard.
A conductor tensioner for power transmission and transformation line construction was designed. It adopts components such as a tensioning mechanism, positioning clamp, steel wire guide wheel, locking mechanism and wire clamping adjustment seat. Through multi-point locking, arc-shaped steel plate clamping, steel wire winding, ratchet locking and double helix adjusting screw, it achieves stable positioning and anti-slip clamping of the conductor and eliminates torsional stress.
It improves the structural stability of the wire tensioner, avoids the safety hazards of unstable positioning, ensures operational safety, prevents damage to the external structure of the wire, and adapts to the wire tensioning needs in different directions.
Smart Images
Figure CN223583622U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wire tightener technical field, concretely is a kind of transmission and transformation line construction wire tightener. BACKGROUND
[0002] In transmission and transformation line construction, wire tightening can adjust sag (i.e. the amount of sag between wire hanging points), so that it meets the design requirements, and provides appropriate tension setting for the wire, improves stability, can ensure the electrical clearance of the wire under various weather conditions, prevent phase-to-phase or ground short circuit due to wind deflection, icing and other factors, and ensure electrical performance.
[0003] The existing wire tightener is usually composed of clamping device, tension applying mechanism, locking device, positioning mechanism structure and other parts, in work, the wire is fixed by clamping device, then the wire is tensioned by tension applying mechanism, and the real-time locking of tensioning is carried out by locking device in the process of tensioning, but the wire is pulled from different directions, which causes the positioning structure to produce torsion, thereby affecting the reliability of the positioning structure, and easily causing safety problems. SUMMARY
[0004] The utility model aims at providing a kind of transmission and transformation line construction wire tightener to solve the above background technical problems in the current market transmission and transformation line construction, wire tightening process, wire will be pulled from different directions, which causes the positioning structure of wire tightener to produce torsion, thereby affecting the reliability of the positioning structure, and easily causing safety problems.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of transmission and transformation line construction wire tightener, including wire tightener main body: the above-mentioned wire tightener main body includes:
[0007] Tightening mechanism is hinged by connecting bottom plate and L-shaped positioning plate, rotating positioning shaft and fastening screw are penetrated between the connecting bottom plate and positioning plate, so that the included angle between tightening mechanism and positioning plate is adjustable;The hinging mechanism provides rotational freedom degree by rotating positioning shaft, and fastening screw is distributed along circumference to form multi-point locking.Working time first loosens fastening screw, rotates tightening mechanism to the required angle and then tightens screw, and angle is fixed using friction and mechanical limiting.L-shaped positioning plate's bending structure can disperse stress, avoid local deformation.
[0008] Positioning clamps are fixed on the side of the positioning plate and used to install the wire tightener body to the external support structure; the positioning clamps adopt an arc-shaped steel plate to form a ring-shaped clamping structure in cooperation with an adjusting bolt, and the circumference of the clamping structure is changed by adjusting the bolt to adapt to support rods of different diameters. The inner side anti-skid lines increase the contact friction to prevent the overall slippage caused by vibration during construction.
[0009] Steel wires are wound inside the tightener mechanism, with one end connected to a rotatable connecting sleeve and the other end extending to the outside of the wire tightener body; the steel wires are wound in multiple layers on the reel inside the tightener mechanism, and the rotation of the connecting sleeve can eliminate the torsional stress generated when the wire is tensioned. The extended part of the steel wire changes the traction direction through the guide roller set to realize multi-angle force application.
[0010] The locking mechanism includes a ratchet positioning plate, a ratchet, and a tensioning adjustment handle connected to the ratchet, which are arranged on the outside of the tightener mechanism; the ratchet mechanism adopts a one-way locking principle, and when the tensioning adjustment handle drives the ratchet to rotate and tighten the steel wire, the elastic latch of the ratchet positioning plate is inserted into the tooth groove to prevent reverse rotation. During the handle reset process, the latch slides along the tooth back, forming an intermittent tensioning operation.
[0011] The wire clamping adjustment seat is installed on the wire tightener body, and two wire clamps are symmetrically arranged above it. The opposite surfaces of the wire clamps are respectively provided with tooth grooves, and anti-skid pads are embedded in the tooth grooves. The symmetric wire clamps are synchronously opened and closed through threaded transmission, the tooth grooves provide mechanical biting action, and the anti-skid pads compensate for the irregular shape of the wire surface through elastic deformation. The double anti-skid design ensures the clamping force while avoiding damage to the wire insulation layer.
[0012] Further, the wire tightener body is provided with a steel wire guide roller, which cooperates with the winding of the steel wire and is movably connected to a connecting hook through a rotating connecting piece. The steel wire guide roller adopts a groove structure to accurately guide the steel wire, and the rotating connecting piece includes an axial bearing and a radial limiting ring, so that the connecting hook can be freely rotated and adjusted in direction. This structure can automatically adapt to different traction angles and avoid steel wire disengagement.
[0013] Further, the connecting plate is fixed at the bottom of the wire clamping adjustment seat, and a connecting hole is formed in the connecting plate to cooperate with the connecting hook. The connecting plate and the hook form a quick disassembly and assembly interface, and the tapered entrance of the connecting hole facilitates the blind operation positioning of the hook. When the hook is embedded in the connecting hole, gravity causes it to be automatically locked, ensuring that it will not be accidentally disconnected under stress.
[0014] Further, the wire clamping adjusting seat is provided with an adjusting screw with a double helix structure and a limiting rod arranged symmetrically, the two ends of the adjusting screw are respectively in threaded connection with the wire clamping devices, and one end of the adjusting screw extends to the outside of the wire clamping adjusting seat and is fixed with an adjusting knob, and the limiting rod penetrates through the wire clamping device and is in sliding fit with the wire clamping device. The double helix structure refers to that threads with opposite rotation directions are formed at the two ends of the screw, when the adjusting knob is rotated, the two wire clamping devices are symmetrically displaced. The limiting rod limits the rotating degree of freedom of the wire clamping device, ensures that the wire clamping device moves along a straight track, and forms precise parallel opening and closing movements.
[0015] Further, a plurality of limiting holes are arranged at the sidewall of the wire clamping adjusting seat at intervals, and the wire clamping device is in sliding fit with the wire clamping adjusting seat through the limiting holes. The limiting holes provide multi-stage positioning functions, when the wire clamping device is moved to a target position, a positioning pin is inserted to realize rapid fixing. The hole spacing is arranged according to the diameter gradient of commonly used wires, and the operation efficiency is improved.
[0016] Further, the rotation positioning shaft is perpendicular to the axis of the fastening screw, and the fastening screws are uniformly distributed along the L-shaped bending part of the positioning plate. The perpendicular arrangement of the axis makes the rotation positioning shaft bear the main load, and the uniformly distributed fastening screws form balanced pressing force. The thickened design of the L-shaped bending part enhances the structural rigidity and prevents plastic deformation after repeated adjustment.
[0017] Further, the material of the anti-skid pad is rubber or polyurethane, and the surface of the anti-skid pad is provided with a convex structure matched with the tooth groove. The elastic material increases the contact area through compression deformation, and the surface convex and the tooth groove form a labyrinth type fitting structure. This design allows micro-slip while providing sufficient friction, avoiding sudden overload and causing structural damage.
[0018] Further, the positioning hoop comprises an arc-shaped steel plate and an adjusting bolt penetrating through the steel plate, and the inner side of the arc-shaped steel plate is provided with an anti-skid pattern. The curvature radius of the arc-shaped steel plate is greater than the diameter of the supporting rod, and the elastic deformation is generated by the pre-tightening force of the adjusting bolt to form a surface contact fixation. The anti-skid pattern adopts an interlaced groove design, which can trap foreign matters such as sand to enhance the adhesion.
[0019] Further, the anti-skid pad and the tooth groove are provided with a dovetail slot clamping structure, and the thickness of the anti-skid pad is greater than the depth of the tooth groove by 0.5-1mm. The dovetail slot structure is self-locked by a trapezoidal cross section, and the interference amount design makes the anti-skid pad generate a continuous compressive stress after installation. This compressive stress can not only prevent the anti-skid pad from falling off, but also maintain a constant contact pressure on the wire.
[0020] Further, the pitch of the adjusting screw is 3-5mm, and the rotation directions of the two sections of the screw are opposite. The specific pitch range balances the adjustment accuracy and operation efficiency, and the threads with opposite rotation directions ensure that the two wire clamping devices move synchronously and reversely. The screw lead design makes a predetermined displacement amount generated by one rotation, which is convenient for quantitative control of the clamping force.
[0021] Compared with the prior art, the power transmission line construction wire tightener has the advantages that the overall volume is small, easy to carry and operate, and the angle of the wire tightening mechanism and the positioning hoop can be adjusted, so that the structural stability of the wire tightener can be ensured when the wire is tightened in different directions, thereby avoiding the safety hidden trouble caused by unstable positioning. The power transmission line construction wire tightener can be reliably positioned, which is convenient for wire tightening and safe operation. The wire clamp combined with the tooth groove and the non-slip pad can protect the positioning of the wire and prevent damage to the external structure of the wire. BRIEF DESCRIPTION OF DRAWINGS
[0022] Fig. 1 is a top view of the power transmission line construction wire tightener of the utility model;
[0023] Fig. 2 is a side view of the power transmission line construction wire tightener of the utility model;
[0024] Fig. 3 is a schematic view of the wire clamp and the wire clamping adjusting seat connection structure of the power transmission line construction wire tightener of the utility model.
[0025] In the figure: 1, wire tightener main body; 2, positioning plate; 3, wire tightening mechanism; 301, steel wire; 302, ratchet positioning plate; 303, ratchet; 304, connecting sleeve; 4, connecting bottom plate; 401, rotating positioning shaft; 402, tightening screw; 5, steel wire guide wheel; 6, connecting hook; 7, wire clamping adjusting seat; 701, connecting plate; 702, connecting hole; 703, adjusting knob; 704, limiting hole; 705, adjusting screw; 706, limiting rod; 8, wire clamp; 801, tooth groove; 802, non-slip pad; 9, positioning hoop; 10, tensioning adjusting handle. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Please refer to Figs. 1-3The utility model provides a technical scheme: a transmission and distribution line construction guide wire tightener, including guide wire tightener main part 1, be equipped with tight line mechanism 3 on guide wire tightener main part 1, and the lower end of tight line mechanism 3 is fixed with the connecting bottom plate 4, and the lower side of connecting bottom plate 4 is equipped with the positioning plate 2 of L type structure, and the rotating positioning axle 401 is passed through fastening between connecting bottom plate 4 and positioning plate 2, and the fastening screw 402 that is fastened with positioning plate 2 is still passed through in connecting bottom plate 4, and positioning plate 2 side is connected with the positioning hoop 9, make the angle adjustable between positioning hoop 9 and tight line mechanism 3, and the positioning hoop 9 is bent into arc shape by the Q235 steel plate of thickness 3mm, and the arc length occupies the circumference angle 240, and the through -hole is set up in the both ends of steel plate and is connected through M12 adjusting bolt, and the inner surface of steel plate is processed with antiskid line, can realize the fixation with the tower pole of different size, ensure the reliability of positioning, to guarantee the safety when guide wire tightens operation, be equipped with steel wire guide pulley 5 on guide wire tightener main part 1, and steel wire guide pulley 5 is cooperated with the winding of steel wire 301, and steel wire guide pulley 5 is rotatably connected with the connecting hook 6 through the light pole structure on it, this structure can let steel wire guide pulley 5 pull steel wire 301 activity, and when tight line mechanism 3 tightens steel wire 301, can realize the activity of steel wire guide pulley 5, to realize the tight line processing of guide wire, and the steel wire 301 is wound and is connected in tight line mechanism 3, and the other end of steel wire 301 is equipped with the connecting sleeve 304 of the rotating connection of tight line mechanism 3 housing part, and the ratchet positioning plate 302 and ratchet 303 that are mutually matched are installed on the outside of tight line mechanism 3, and ratchet 303 can play the role of real-time locking when tightening guide wire, and the outside of tight line mechanism 3 is equipped with the tensioning adjusting handle 10 connected with ratchet 303, and tensioning adjusting handle 10 is used for the rotating processing when guide wire is tightened, guide wire tightener main part 1 is also equipped with the wire clamping adjusting seat 7, and the wire clamping adjusting seat 7 bottom is fixed with the connecting plate 701 through welding, and the connecting plate 701 is equipped with the connecting hole 702 that cooperates with the connecting hook 6 on, this structure can carry out the connection between wire clamping adjusting seat 7 and steel wire guide pulley 5 through the connecting hook 6, to realize the relative connection between wire clamping device 8 and tight line mechanism 3, and the adjusting screw 705 is rotatably installed in wire clamping adjusting seat 7, and the wire clamping adjusting seat 7 is also symmetrically clamped and fixed with the limiting rod 706, and limiting rod 706 is movably penetrated with wire clamping device 8, this structure carries out the position adjustment of wire clamping device 8 through adjusting screw 705, can let wire clamping device 8 carry out the clamping fastening processing to the guide wire of different size, and limiting rod 706 plays the role of movable limiting of wire clamping device 8, and wire clamping device 8 is symmetrically connected on the upper side of wire clamping adjusting seat 7, and the limiting hole 704 that is parallel to each other is equipped with on wire clamping adjusting seat 7, and limiting hole 704 movably clamps with wire clamping device 8, this structure lets wire clamping adjusting seat 7 also carry out movable limiting processing to wire clamping device 8 through limiting hole 704, and the tooth slot 801 is respectively equipped with on the opposite side of wire clamping device 8, and the antiskid pad 802 is clamped and fixed with tooth slot 801 through dovetail groove structure, and the antiskid pad adopts the polyurethane material of shore hardness 70A, and its thickness is greater than tooth slot depth 0.5mm to ensure the interference fit, the adjusting screw 705 is a double helix structure, and the double helix structure of the adjusting screw 705 is respectively rotatably connected with the wire clamping device 8, and one end of the adjusting screw 705 is fixed with an adjusting knob 703 located outside the wire clamping adjusting seat 7, so that the wire clamping device 8 can be opened and closed by adjusting the adjusting screw 705, so as to adjust the distance between the wire clamping devices 8, and the tooth groove 801 and the anti-skid pad 802 are arranged, so that the wire can be protected by the anti-skid pad 802, and the tooth groove 801 can reliably position the anti-skid pad 802, and the wire clamping device 8 can also press the wire through the tooth groove 801, so as to reliably clamp the wire and ensure the safety of the wire.
[0028] Working principle: when the wire tightener is used, first, the wire tightener body 1 is positioned, the positioning plate 2 is fixed to the tower pole for fixing the wire through the positioning clamp 9, then the angle of the wire tightening mechanism 3 is adjusted according to the position of the wire under the condition that the position of the positioning clamp 9 is determined, the wire tightening mechanism 3 is rotated relative to the positioning plate 2 through the rotating positioning shaft 401 on the connecting bottom plate 4, and then the wire is positioned and tightened, the wire is clamped between the wire clamping devices 8, then the adjusting knob 703 is rotated to drive the rotation of the adjusting screw 705, the wire clamping devices 8 are moved under the common limiting of the limiting hole 704 and the limiting rod 706, the anti-skid pad 802 is positioned and positioned to prevent the wire from slipping, and the wire is fastened by the tooth groove 801, so that the wire clamping device 8 can stably clamp the wire, the anti-skid pad 802 and the tooth groove 801 are used in cooperation, the damage to the external structure of the wire is reduced, then the steel wire 301 is pulled out of the wire tightening mechanism 3, one end of the steel wire 301 is fixed to the wire tightening mechanism 3 through the connecting sleeve 304, the steel wire guide wheel 5 guides the steel wire 301, then the wire clamping adjusting seat 7 is connected to the connecting hook 6 through the connecting hole 702 on the connecting plate 701, then the tension adjusting handle 10 is rotated to wind the steel wire 301 by the wire tightening mechanism 3, so as to realize the tensioning of the wire, at this time, the ratchet wheel 303 and the ratchet wheel positioning plate 302 cooperate to prevent the steel wire 301 from being rewound, after the wire is tightened, the wire is fixed, then the wire clamping device 8 is loosened, and a series of work is completed.
[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A conductor tensioner for power transmission and transformation line construction, comprising a conductor tensioner body (1), characterized in that: The main body (1) of the wire tensioner includes: The tensioning mechanism (3) is hinged to the L-shaped positioning plate (2) via a connecting base plate (4). A rotating positioning shaft (401) and a fastening screw (402) are provided between the connecting base plate (4) and the positioning plate (2), so that the included angle between the tensioning mechanism (3) and the positioning plate (2) is adjustable. Positioning clamp (9) is fixed to the side of positioning plate (2) and is used to install the wire tensioner body (1) to the external support structure; A steel wire (301) is wound inside the tensioning mechanism (3), with one end connected to a rotatable connecting sleeve (304) and the other end extending to the outside of the wire tensioner body (1); The locking mechanism includes a ratchet positioning plate (302), a ratchet (303), and a tension adjustment handle (10) connected to the ratchet (303) located on the outside of the tensioning mechanism (3). The wire clamp adjustment seat (7) is installed on the main body (1) of the wire tensioner. Two wire clamps (8) are symmetrically arranged above it. The opposite surfaces of the wire clamps (8) are respectively provided with tooth grooves (801), and anti-slip pads (802) are embedded in the tooth grooves (801).
2. The wire tensioner according to claim 1, characterized in that: The main body (1) of the wire tensioner is provided with a wire guide wheel (5), which is wound around the wire (301), and the wire guide wheel (5) is movably connected to a connecting hook (6) through a rotating connector.
3. The wire tensioner according to claim 2, characterized in that: The bottom of the cable adjustment seat (7) is fixed with a connecting plate (701), and the connecting plate (701) has a connecting hole (702) that cooperates with the connecting hook (6).
4. The wire tensioner according to claim 1, characterized in that: The wire clamping adjustment seat (7) is provided with a double-helix structure adjustment screw (705) and symmetrically arranged limiting rods (706). The two ends of the adjustment screw (705) are respectively threaded to the wire clamp (8), and one end extends to the outside of the wire clamping adjustment seat (7) and is fixed with an adjustment knob (703). The limiting rod (706) passes through the wire clamp (8) and slides with it.
5. The wire tensioner according to claim 4, characterized in that: The side wall of the wire clamping adjustment seat (7) is provided with a plurality of limiting holes (704) spaced apart, and the wire clamp (8) is slidably engaged with the wire clamping adjustment seat (7) through the limiting holes (704).
6. The wire tensioner according to claim 1, characterized in that: The axis of the rotating positioning shaft (401) is perpendicular to the axis of the fastening screw (402), and the fastening screw (402) is evenly distributed circumferentially along the L-shaped bend of the positioning plate (2).
7. The wire tensioner according to claim 1, characterized in that: The anti-slip pad (802) is made of rubber or polyurethane, and its surface has a raised structure that matches the tooth groove (801).
8. The wire tensioner according to claim 1, characterized in that: The positioning clamp (9) includes an arc-shaped steel plate and an adjusting bolt that penetrates the steel plate. The inner side of the arc-shaped steel plate is provided with anti-slip texture.
9. The wire tensioner according to claim 1, characterized in that: The anti-slip pad (802) and the tooth groove (801) are provided with a dovetail groove engagement structure, and the thickness of the anti-slip pad (802) is 0.5-1mm greater than the depth of the tooth groove (801).
10. The wire tensioner according to claim 4, characterized in that: The pitch of the adjusting screw (705) is 3-5mm, and the two sections of the screw rotate in opposite directions.