A wire tightener for preventing the wire rope from running away during the wire laying of a transmission line

Abstract

The present invention relates to the technical field of wire tighteners, and specifically discloses a wire tightener for preventing wire running of the wire rope for wire laying of a transmission line, which includes a plate-shaped mounting base. One end of the top of the plate-shaped mounting base is provided with a fixed limiting strip, and a limiting guide member is installed on one side of the end of the plate-shaped mounting base away from the fixed limiting strip. An installation shaft penetrates through the middle position of the top of the plate-shaped mounting base, and an inner-empty mounting roller is installed on the top of the installation shaft. In the present invention, a transmission mechanism for driving the T-shaped movable plate to move is provided on the installation shaft, and a limiting mechanism for supporting the wire rope is provided on the T-shaped movable plate. When the connecting piece of the wire tightening device is pulled to rotate the inner-empty mounting roller to clamp the wire rope, the limiting mechanism can move away from the plate-shaped mounting base to support the reserved part of the wire rope near the end, thereby avoiding the potential safety hazards caused by the wire rope being prone to swing or increasing its own wear during the subsequent wire tightening operation.

Description

Technical Field

[0001] The present invention relates to the technical field of wire tighteners, and particularly relates to a wire tightener for preventing the wire rope from running away during the wire laying of a transmission line. Background Art

[0002] Electricity is one of the main energy sources in modern society. After being generated by a generator, it needs to be further stepped up through a transformer and then transmitted. During the whole process, the transmission line is an indispensable part. When laying and installing a transmission line, the wire rope needs to be constructed by traction, and the wire tightener is a device used for wire tightening and connection during the traction installation process of the wire rope.

[0003] When the existing wire tightener for the wire rope of a transmission line is in use, it generally clamps the end of the wire rope by applying an external pulling force, so that a clamping force can be further applied to the wire rope during the pulling process. During the operation, a section of the wire rope is generally left at the end to facilitate subsequent connection tasks by the staff. This part of the wire rope hangs directly on one side of the wire tightener. However, the current wire tightening equipment is generally manually operated and is operated in a swinging manner during the operation. During this operation process, the wire tightener and the wire rope will shake to a certain extent, resulting in the reserved wire rope near the end part being prone to swinging along with the shaking during the wire tightening operation, which is likely to cause unnecessary harm to the staff. At the same time, the swinging of the wire rope itself is also prone to causing excessive extrusion and friction at the interruption position where it contacts the wire tightener, which is likely to cause accelerated wear of the wire rope at this place. In severe cases, it may even cause a certain degree of damage to the wire rope at this place, thus seriously affecting the strength and other effects during its subsequent use. Summary of the Invention

[0004] The purpose of the present invention is to provide a wire tightener for preventing the wire rope from running away during the wire laying of a transmission line, so as to solve the problems that the end part of the wire rope left during the use of the wire tightener for the wire rope of a transmission line is prone to swinging during the wire tightening operation, which is likely to cause safety hazards to the staff and wear to the wire rope itself.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A wire tightener for preventing wire running of a wire rope during the wire laying of a transmission line, comprising a plate-shaped mounting base. One end of the top of the plate-shaped mounting base is provided with a fixed limiting strip, and a limiting guide is installed on one side of the end of the plate-shaped mounting base away from the fixed limiting strip. An installation shaft penetrates through the middle position of the top of the plate-shaped mounting base, and an inner hollow mounting roller is installed at the top of the installation shaft. A toothed block-shaped arc-shaped extrusion clamping member is installed at one end of the outer wall of the inner hollow mounting roller close to the fixed limiting strip. A first connecting rod is installed at one end of the outer wall of the inner hollow mounting roller away from the fixed limiting strip. One end of the first connecting rod away from the inner hollow mounting roller is hinged with a wire tightening device connecting member, and the wire tightening device connecting member penetrates through the limiting guide.

[0007] A plurality of limiting extrusion grooves are formed at the top of the plate-shaped mounting base, and a limiting mechanism for restricting the rotation of the inner hollow mounting roller itself is arranged inside the inner hollow mounting roller.

[0008] A T-shaped sliding groove is formed at one end of the bottom of the plate-shaped mounting base close to the fixed limiting strip, and a T-shaped movable plate is arranged inside the T-shaped sliding groove.

[0009] A limiting mechanism for supporting the wire rope is arranged on the T-shaped movable plate.

[0010] A transmission mechanism for driving the T-shaped movable plate to move is arranged on the installation shaft.

[0011] As a further scheme of the present invention: an arc-shaped anti-detachment plate is installed at one end of the outer wall of the inner hollow mounting roller close to the fixed limiting strip, and a gradient extrusion block is installed at the bottom of the arc-shaped anti-detachment plate.

[0012] As a further scheme of the present invention: the cross-sectional shape of the gradient extrusion block is arc-shaped, and the cross-sectional shape of the gradient extrusion block is triangular.

[0013] As a further scheme of the present invention: the cross-sectional shape of the limiting extrusion groove is arc-shaped, and the cross-sectional shape of the limiting extrusion groove is trapezoidal, and a plurality of the limiting extrusion grooves are distributed in an arc shape.

[0014] As a further scheme of the present invention: the limiting mechanism includes a first movable guide plate, the first movable guide plate is arranged inside the inner hollow mounting roller, a limiting extrusion member is installed at the bottom of the first movable guide plate, and the limiting extrusion member extends into one of the limiting extrusion grooves. A first spring is installed at the top of the first movable guide plate, and the top end of the first spring is installed with a second movable guide plate. A damping threaded rod is arranged at the top of the second movable guide plate, and the damping threaded rod penetrates through the inner hollow mounting roller.

[0015] As a further scheme of the present invention: the cross-sectional shape of the limiting extrusion member is pentagonal, and gaps are left between the limiting extrusion member and the inner hollow mounting roller and the limiting extrusion groove respectively.

[0016] As a further solution of the present invention: The damping threaded rod is rotatably connected to the second movable guide plate, and the damping threaded rod is threadedly connected to the hollow mounting roller.

[0017] As a further solution of the present invention: The limiting mechanism includes a U-shaped sleeved support member, the U-shaped sleeved support member is installed on the side of the T-shaped movable plate away from the plate-shaped mounting seat, the bottom of the U-shaped sleeved support member is penetrated by a movable limiting member, and a second spring is connected between the movable limiting member and the U-shaped sleeved support member.

[0018] As a further solution of the present invention: The top of the end of the movable limiting member away from the fixed limiting strip is provided with an inclined edge, and the movable limiting member is slidably connected to the U-shaped sleeved support member.

[0019] As a further solution of the present invention: The transmission mechanism includes a mounting disc, the mounting disc is installed at the bottom end of the mounting shaft, a fixed shaft is installed on one side of the bottom of the mounting disc close to the T-shaped movable plate, a second connecting rod is sleeved on the outside of the fixed shaft, and the end of the second connecting rod away from the fixed shaft is hinged to the T-shaped movable plate.

[0020] Advantages of the present invention:

[0021] (1) In the present invention, a transmission mechanism for driving the T-shaped movable plate to move is provided on the mounting shaft, and a limiting mechanism for supporting the steel wire rope is provided on the T-shaped movable plate. When pulling the connecting piece of the wire tightening device to rotate the hollow mounting roller to clamp the steel wire rope, the limiting mechanism can move in the direction away from the plate-shaped mounting seat to support the reserved part of the steel wire rope near the end, thereby avoiding the potential safety hazards or increased wear caused by the easy swinging of the steel wire rope during the subsequent wire tightening operation.

[0022] (2) In the present invention, a limiting mechanism for restricting the one-way rotation of the hollow mounting roller is provided inside the hollow mounting roller, so that when the device shakes greatly during the wire tightening process, the hollow mounting roller will not rotate in the initial direction, thus avoiding the easy occurrence of loosening and wire running.

[0023] (3) In the present invention, the cross-sectional shape of the limiting extrusion groove is arc-shaped, and the cross-sectional shape of the limiting extrusion groove is trapezoidal, and the first spring is in a compressed state during use. When the limiting extrusion member restricts the one-way rotation of the hollow mounting roller in the corresponding limiting extrusion groove, a pre-tightening force can be always applied to the bottom of the inside of the limiting extrusion member and the limiting extrusion groove, so that when the steel wire rope undergoes slight deformation due to shaking during the wire tightening process, the limiting extrusion member can make the hollow mounting roller drive the tooth block-shaped arc-shaped extrusion clamping member to continue to rotate towards the position where the steel wire rope is extruded by extruding the bottom of the inside of the limiting extrusion groove, thereby further preventing situations such as wire running.

[0024] (4) In the present invention, the hollow mounting roller is provided with an arc-shaped anti-disengagement plate and a gradually-varying extrusion block, so that the arc-shaped anti-disengagement plate and the gradually-varying extrusion block can cooperate to limit the upper part of the steel wire rope, and a certain extrusion force is applied to it through the gradually-varying extrusion block, thereby further ensuring the stability between the steel wire rope and the fixed limiting strip, and avoiding the occurrence of up-and-down offset friction easily.

[0025] (5) In the present invention, multiple groups of limit extrusion grooves are arc-shapedly distributed, the cross-sectional shape of the gradually-varying extrusion block is arc-shaped, and the cross-sectional shape of the gradually-varying extrusion block is triangular, so that the larger the clamping amplitude of the hollow mounting roller, the larger the extrusion amplitude of the gradually-varying extrusion block, thus facilitating the completion of the task of clamping and tightening the steel wire ropes of different diameters, and greatly increasing the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below with reference to the drawings.

[0027] Figure 1 is the front view structural schematic diagram of the present invention;

[0028] Figure 2 is the front view sectional structural schematic diagram of the present invention;

[0029] Figure 3 is in the present invention Figure 2 enlarged schematic diagram at A;

[0030] Figure 4 is the side view sectional structural schematic diagram of the present invention;

[0031] Figure 5 is in the present invention Figure 4 enlarged schematic diagram at B;

[0032] Figure 6 is the bottom view structural schematic diagram of the present invention;

[0033] Figure 7 is the side view structural schematic diagram of the present invention;

[0034] Figure 8 is the rear view structural schematic diagram of the hollow mounting roller in the present invention;

[0035] Figure 9 is the front view structural schematic diagram of the limit extrusion member in the present invention.

[0036] In the figure: 1. Plate-shaped mounting seat; 2. Fixed limiting strip; 3. Limiting guide; 4. Mounting shaft; 5. Hollow mounting roller; 6. Tooth-block-shaped arc-shaped extrusion clamping member; 7. First connecting rod; 8. Tightening equipment connecting piece; 9. Arc-shaped anti-disengagement plate; 10. Gradual extrusion block; 11. Limiting extrusion groove; 12. First movable guide plate; 13. Limiting extrusion member; 14. First spring; 15. Second movable guide plate; 16. Damping threaded rod; 17. T-shaped sliding groove; 18. T-shaped movable plate; 19. U-shaped sleeve support member; 20. Movement limiting member; 21. Second spring; 22. Mounting disc; 23. Fixed shaft; 24. Second connecting rod. Detailed implementation mode

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0038] Embodiment 1: Please refer to Figure 1 , Figures 3 - 7 and Figure 9 As shown in the figure, the present invention is a wire tightener for preventing the running of the wire rope in the wire laying of the transmission line, including a plate-shaped mounting seat 1. One end of the top of the plate-shaped mounting seat 1 is provided with a fixed limiting strip 2, and one side of the plate-shaped mounting seat 1 far from the fixed limiting strip 2 is provided with a limiting guide 3. A mounting shaft 4 penetrates through the middle position of the top of the plate-shaped mounting seat 1, and a hollow mounting roller 5 is installed at the top of the mounting shaft 4. One end of the outer wall of the hollow mounting roller 5 close to the fixed limiting strip 2 is provided with a tooth-block-shaped arc-shaped extrusion clamping member 6, and one end of the outer wall of the hollow mounting roller 5 far from the fixed limiting strip 2 is provided with a first connecting rod 7. One end of the first connecting rod 7 far from the hollow mounting roller 5 is hinged with a tightening equipment connecting piece 8, and the tightening equipment connecting piece 8 penetrates through the limiting guide 3;

[0039] During use, place the wire rope at the position between the fixed limiting strip 2, the plate-shaped mounting seat 1 and the tooth-block-shaped arc-shaped extrusion clamping member 6, and ensure that a section is reserved at the end of the wire rope close to the tightening equipment connecting piece 8, so as to facilitate operations such as connecting the wire rope after the tightening task is completed. Connect the tightening equipment connecting piece 8 to the tightening equipment;

[0040] When the above-mentioned tightening equipment connecting piece 8 is pulled by the tightening equipment, it will drive the corresponding rotation of the hollow mounting roller 5, and the tooth-block-shaped arc-shaped extrusion clamping member 6 will rotate correspondingly and cooperate with the fixed limiting strip 2 to clamp the wire rope, so that the clamping and tightening tasks of the wire rope can be completed in cooperation with the tightening equipment. This part is the same as the existing equipment;

[0041] It should be noted that the outer wall of the tooth block type arc extrusion clamping member 6 is provided with a tooth block part, and there is a spiral groove on the outer side of the steel wire rope itself. Therefore, the corresponding tooth block can be inserted into the spiral groove on the steel wire rope, so as to clamp the steel wire rope. When the steel wire rope has a tendency to run away from the wire tightening device connecting member 8, it will drive the tooth block type arc extrusion clamping member 6 and the hollow mounting roller 5 to further rotate in the direction of continuous clamping. Therefore, this part itself has a certain anti-running wire effect;

[0042] A T-shaped sliding groove 17 is opened at one end of the bottom of the plate-shaped mounting seat 1 close to the fixed limiting bar 2, and a T-shaped movable plate 18 is arranged inside the T-shaped sliding groove 17. The T-shaped movable plate 18 and the T-shaped sliding groove 17 are slidably connected;

[0043] A limiting mechanism for supporting the steel wire rope is arranged on the T-shaped movable plate 18. The limiting mechanism includes a U-shaped sleeve support member 19. The U-shaped sleeve support member 19 is installed on the side of the T-shaped movable plate 18 away from the plate-shaped mounting seat 1. A movable limiting member 20 penetrates through the bottom of the U-shaped sleeve support member 19, and a second spring 21 is connected between the movable limiting member 20 and the U-shaped sleeve support member 19;

[0044] So that when the T-shaped movable plate 18 extends away from the plate-shaped mounting seat 1, the U-shaped sleeve support member 19 and the movable limiting member 20 can cooperate with each other to support most of the reserved part of the steel wire rope near the end. Therefore, when the steel wire rope and the device shake during the subsequent operation of the wire tightening device, the reserved part of the steel wire rope is not easy to swing due to the shake;

[0045] It should be noted that the above-mentioned swinging phenomenon is likely to cause harm to the staff who are operating the wire tightening device. At the same time, the swinging phenomenon will cause excessive bending friction at the contact interruption between the steel wire rope and the tooth block type arc extrusion clamping member 6, the fixed limiting bar 2 or the plate-shaped mounting seat 1. And the above method can significantly reduce the swinging phenomenon. At the same time, since the reserved part is in a supported state, it is more convenient for the staff to take when connecting the end part subsequently;

[0046] The top of the end of the movable limiting member 20 away from the fixed limiting bar 2 is provided with an inclined edge, and the movable limiting member 20 and the U-shaped sleeve support member 19 are slidably connected;

[0047] When the steel wire rope is located inside the U-shaped sleeve support member 19, it will not squeeze the hypotenuse part of the movement restricting member 20, and thus will not disengage from the inside of the U-shaped sleeve support member 19, thereby ensuring the support effect on the steel wire rope. At the same time, after the tension of the tensioning equipment connecting member 8 disappears after the wire tightening is completed and the connection between the tensioning equipment connecting member 8 and the tensioning equipment is released, the device can still be hung on the steel wire rope through the U-shaped sleeve support member 19 and the movement restricting member 20 to avoid falling. When the staff places the steel wire rope, the steel wire rope can directly squeeze the hypotenuse part of the movement restricting member 20, causing the movement restricting member 20 to move downward. At this time, the steel wire rope can be squeezed to the inside of the U-shaped sleeve support member 19, facilitating the operation of the staff;

[0048] A transmission mechanism for driving the T-shaped movable plate 18 to move is provided on the mounting shaft 4. The transmission mechanism includes a mounting disc 22, which is mounted at the bottom end of the mounting shaft 4. A fixed shaft 23 is mounted on one side of the bottom of the mounting disc 22 close to the T-shaped movable plate 18. A second connecting rod 24 is sleeved on the outer side of the fixed shaft 23, and the end of the second connecting rod 24 away from the fixed shaft 23 is hinged to the T-shaped movable plate 18;

[0049] When the hollow mounting roller 5 drives the tooth block-shaped arc-shaped extrusion clamping member 6 to rotate in the clamping direction of the steel wire rope under the action of tension, the mounting disc 22 can be driven to rotate correspondingly. At this time, the mounting disc 22 drives the fixed shaft 23 to move towards the tensioning equipment connecting member 8, and further causes the T-shaped movable plate 18 to extend outward from the inside of the T-shaped chute 17, thus completing the task of supporting the reserved part of the steel wire rope as described above;

[0050] At the same time, when not in use, the hollow mounting roller 5 can be adjusted so that the tooth block-shaped arc-shaped extrusion clamping member 6 thereon is not in the state of clamping the steel wire rope. At this time, the mounting disc 22 drives the fixed shaft 23 to move away from the tensioning equipment connecting member 8, and further can drive the T-shaped movable plate 18 to slide into the inside of the T-shaped chute 17 through the second connecting rod 24, thereby reducing the length of the entire device and facilitating the staff to place the device in the corresponding toolbox, and at the same time, not requiring too high a length for the toolbox.

[0051] Embodiment 2: Based on the above Embodiment 1, refer to Figures 1 - 3 and Figure 9As shown in the figure, a plurality of limit extrusion grooves 11 are formed at the top of the plate-shaped mounting seat 1. A limiting mechanism for restricting the rotation of the hollow mounting roller 5 itself is arranged inside the hollow mounting roller 5. The limiting mechanism includes a first movable guide plate 12. The first movable guide plate 12 is arranged inside the hollow mounting roller 5. A limit extrusion member 13 is installed at the bottom of the first movable guide plate 12, and the limit extrusion member 13 extends into a group of limit extrusion grooves 11. A first spring 14 is installed at the top of the first movable guide plate 12, and the top end of the first spring 14 is installed with a second movable guide plate 15. A damping threaded rod 16 is arranged at the top of the second movable guide plate 15, and the damping threaded rod 16 penetrates through the hollow mounting roller 5;

[0052] The above-mentioned first movable guide plate 12 and second movable guide plate 15 are respectively slidably connected to the hollow mounting roller 5;

[0053] The cross-sectional shape of the limit extrusion member 13 is pentagonal, and there are gaps between the limit extrusion member 13 and the hollow mounting roller 5 and the limit extrusion groove 11 respectively;

[0054] When the hollow mounting roller 5 is pulled by the tight wire equipment connecting piece 8 to rotate in the direction of clamping the steel wire rope, the hypotenuse part of the first movable guide plate 12 can be extruded against the top of the inner side of the limit extrusion groove 11 close to the tight wire equipment connecting piece 8, so that the limit extrusion member 13 can move upward and further compress the first spring 14, so that the hollow mounting roller 5 can rotate at this time. When the pulling force is unstable due to the shaking of the device during the tight wire process, the limit extrusion member 13 can cooperate with the side of the limit extrusion groove 11 away from the tight wire equipment connecting piece 8 to limit the rotation of the hollow mounting roller 5 in the loosening direction, so as to further avoid the situation of wire running due to shaking;

[0055] The damping threaded rod 16 is rotatably connected to the second movable guide plate 15, and the damping threaded rod 16 is threadedly connected to the hollow mounting roller 5;

[0056] The above-mentioned damping threaded rod 16 is connected to the second movable guide plate 15 through a damping bearing, so that before use, the staff can drive the second movable guide plate 15 to move downward by rotating the damping threaded rod 16 until the limit extrusion member 13 is inserted into the corresponding limit extrusion groove 11, so as to cooperate to complete the above work;

[0057] The cross-sectional shape of the limit extrusion groove 11 is arc-shaped, and the cross-sectional shape of the limit extrusion groove 11 is trapezoidal, and a plurality of limit extrusion grooves 11 are distributed in an arc shape;

[0058] It should be noted that when the above-mentioned staff rotates the damping threaded rod 16 to drive the second movable guide plate 15 to move downward before use and makes the limit extrusion member 13 insert into the corresponding limit extrusion groove 11, not only does the limit extrusion member 13 enter the corresponding limit extrusion groove 11, but also the first spring 14 needs to be in a compressed state. Therefore, when the clamped part of the steel wire rope is slightly deformed due to subsequent shaking, the limit extrusion member 13 will continue to move downward under the elastic force of the first spring 14 and squeeze against the inclined part at the bottom inside the limit extrusion groove 11, so that the hollow mounting roller 5 will further rotate in the direction of clamping the steel wire rope at this time. Furthermore, the teeth on the tooth block type arc extrusion clamping member 6 can still be stuck in the spiral groove of the steel wire rope in this case. Then, when there is a tendency of wire running, the steel wire rope can drive the tooth block type arc extrusion clamping member 6 to rotate in the direction of further clamping to complete the anti-wire-running task;

[0059] Embodiment 3: Based on the above-mentioned Embodiment 1 and Embodiment 2, refer to Figure 1 and Figure 8 As shown, an arc-shaped anti-disengagement plate 9 is installed at one end of the outer wall of the hollow mounting roller 5 close to the fixed limiting strip 2, and a gradient extrusion block 10 is installed at the bottom of the arc-shaped anti-disengagement plate 9;

[0060] When the hollow mounting roller 5 rotates, the arc-shaped anti-disengagement plate 9 and the gradient extrusion block 10 rotate upward close to the steel wire rope, so as to restrict in this direction;

[0061] The cross-sectional shape of the gradient extrusion block 10 is arc-shaped, and the cross-sectional shape of the gradient extrusion block 10 is triangular;

[0062] When the arc-shaped anti-disengagement plate 9 drives the gradient extrusion block 10 to rotate to restrict the steel wire rope from above, the gradient extrusion block 10 can be in contact with and squeeze the steel wire rope, so as to further ensure the stability of the steel wire rope between the plate-shaped mounting seat 1, the fixed limiting strip 2 and the tooth block type arc extrusion clamping member 6. Moreover, the greater the clamping amplitude of the hollow mounting roller 5, the greater the extrusion amplitude of the gradient extrusion block 10, so as to facilitate the above operations for steel wire ropes of different diameters;

[0063] It should be noted that the gradient extrusion block 10 can be made of materials such as rubber, so as to avoid unnecessary rigid extrusion damage to the steel wire rope. At the same time, in Embodiment 2, when the steel wire rope is slightly deformed and the hollow mounting roller 5 rotates further in the clamping direction under the action of the limit extrusion member 13, the limit extrusion groove 11 and the first spring 14, the gradient extrusion block 10 can be further deformed without affecting the rotation of the hollow mounting roller 5.

[0064] Working principle of the present invention: Rotate the hollow mounting roller 5 to a position where the tooth-block type arc extrusion clamping member 6 and the arc anti-detachment plate 9 thereon do not obstruct the placement of the steel wire rope. Then, screw the damping threaded rod 16 downward, thereby driving the limit extrusion member 13 to insert into the corresponding limit extrusion groove 11, and further screw the damping threaded rod 16 to make the first spring 14 in a compressed state. However, the first spring 14 still has room for further compression. Then, place the steel wire rope between the plate-shaped mounting seat 1, the fixed limiting strip 2, and the tooth-block type arc extrusion clamping member 6, and further insert the reserved part into the inner side of the U-shaped sleeve support member 19 in the above-mentioned manner by extruding the hypotenuse of the extrusion movable limiting member 20;

[0065] After the above work is completed, connect the wire tightening equipment connecting member 8 to the wire tightening equipment, and the wire tightening equipment provides a pulling force to the wire tightening equipment connecting member 8. During this process, as described above, the hollow mounting roller 5 will rotate correspondingly at this time. The tooth-block type arc extrusion clamping member 6 can cooperate with the fixed limiting strip 2 to clamp the steel wire rope, and the teeth thereon are stuck into the grooves on the steel wire rope. The arc anti-detachment plate 9 and the gradient extrusion block 10 rotate to the position where they limit and extrude the upper part of the steel wire rope. At the same time, when the hollow mounting roller 5 drives the mounting disc 22 to rotate, and further drives the T-shaped movable plate 18 to move away from the plate-shaped mounting seat 1 through the second connecting rod 24. Then, the staff can perform the wire tightening task on the steel wire rope by operating the wire tightening equipment;

[0066] During the above process, the device and the steel wire rope will shake due to the operation of the wire tightening equipment. As described above, due to the cooperation of the limit extrusion member 13 and the limit extrusion groove 11, the loosening direction of the hollow mounting roller 5 can be restricted. At the same time, the compression of the first spring 14 makes the limit extrusion member 13 have a pre-tightening force with the bottom of the limit extrusion groove 11. Therefore, when the steel wire rope undergoes slight deformation, the hollow mounting roller 5 can still rotate in the direction of further clamping. Thus, through the cooperation of the above various methods, it can be ensured to avoid situations such as wire running. At the same time, the T-shaped movable plate 18, the U-shaped sleeve support member 19, and the movable limiting member 20 cooperate with each other to support the reserved part of the steel wire rope to prevent it from being easily swung;

[0067] After the wire tightening task is completed, connect the end part of the steel wire rope, disconnect the wire tightening equipment connecting member 8 from the wire tightening equipment, pull the movable limiting member 20 and remove the device from the steel wire rope. Then, screw the damping threaded rod 16 upward until the compression of the first spring 14 is released, and the limit extrusion member 13 leaves the inside of the limit extrusion groove 11. Rotate the hollow mounting roller 5 to the initial state, and then screw the damping threaded rod 16 downward again to make the limit extrusion member 13 enter the corresponding limit extrusion groove 11, and the first spring 14 remains in a compressed state, preparing for the next use.

[0068] The above has described in detail an embodiment of the present invention, but the above content is only a preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made in accordance with the scope of the application of the present invention shall still fall within the scope covered by the patent of the present invention.

Claims

1. A wire tensioner for preventing wire rope from running away when laying out a power transmission line, comprising a plate-shaped mounting seat (1), characterized in that: A fixed limiting strip (2) is installed at one end of the top of the plate-shaped mounting seat (1), and a limiting guide member (3) is installed on one side of the plate-shaped mounting seat (1) away from the fixed limiting strip (2); a mounting shaft (4) passes through the middle position of the top of the plate-shaped mounting seat (1), and an inner hollow mounting roller (5) is installed on the top of the mounting shaft (4); a tooth block-shaped arc-shaped extrusion clamp (6) is installed at one end of the outer wall of the inner hollow mounting roller (5) close to the fixed limiting strip (2); a first connecting rod (7) is installed at one end of the outer wall of the inner hollow mounting roller (5) away from the fixed limiting strip (2); a tensioning device connecting member (8) is hingedly connected to one end of the first connecting rod (7) away from the inner hollow mounting roller (5), and the tensioning device connecting member (8) passes through the limiting guide member (3); The top of the plate-shaped mounting seat (1) is provided with a plurality of groups of limiting extrusion grooves (11), and the inner hollow mounting roller (5) is provided with a limiting mechanism for limiting its own rotation; A T-shaped slide groove (17) is provided at one end of the bottom of the plate-shaped mounting seat (1) close to the fixed limiting strip (2), and a T-shaped movable plate (18) is provided inside the T-shaped slide groove (17); The T-shaped movable plate (18) is provided with a limiting mechanism for supporting the steel wire rope; The installation shaft (4) is provided with a transmission mechanism for driving the T-shaped movable plate (18) to move.

2. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 1, characterized in that: An arc-shaped anti-slip plate (9) is installed at one end of the outer wall of the inner hollow installation roller (5) close to the fixed limiting strip (2), and a gradient extrusion block (10) is installed at the bottom of the arc-shaped anti-slip plate (9).

3. A wire tensioner for preventing wire rope from running away when releasing wires in power transmission lines according to claim 2, characterized in that: The cross-sectional shape of the gradual extrusion block (10) is an arc, and the cross-sectional shape of the gradual extrusion block (10) is a triangle.

4. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 1, characterized in that: The cross-sectional shape of the position-limiting extrusion groove (11) is an arc, and the cross-sectional shape of the position-limiting extrusion groove (11) is a trapezoid, and a plurality of groups of the position-limiting extrusion grooves (11) are distributed in an arc shape.

5. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 1, characterized in that: The limiting mechanism comprises a first movable guide plate (12), the first movable guide plate (12) being arranged inside the inner hollow mounting roller (5), a limiting extrusion piece (13) being installed at the bottom of the first movable guide plate (12), and the limiting extrusion piece (13) extending into a group of the limiting extrusion grooves (11), a first spring (14) being installed at the top of the first movable guide plate (12), and a second movable guide plate (15) being installed at the top of the first spring (14), a damping threaded rod (16) being arranged at the top of the second movable guide plate (15), and the damping threaded rod (16) passing through the inner hollow mounting roller (5).

6. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 5, characterized in that: The cross-sectional shape of the position-limiting extrusion piece (13) is a pentagon, and gaps are respectively left between the position-limiting extrusion piece (13) and the inner hollow mounting roller (5) and the position-limiting extrusion groove (11).

7. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 6, characterized in that: The damping threaded rod (16) is rotationally connected to the second movable guide plate (15), and the damping threaded rod (16) is threadedly connected to the inner hollow mounting roller (5).

8. The tensioner for preventing the wire rope from running away when releasing the wire of a power transmission line according to claim 1 is characterized in that: The limiting mechanism comprises a U-shaped sleeve support member (19), wherein the U-shaped sleeve support member (19) is mounted on a side of the T-shaped movable plate (18) away from the plate-shaped mounting seat (1), a movable limiting member (20) passes through the bottom of the U-shaped sleeve support member (19), and a second spring (21) is connected between the movable limiting member (20) and the U-shaped sleeve support member (19).

9. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 8, characterized in that: The top of one end of the movable limiting member (20) away from the fixed limiting strip (2) is provided with a bevel, and the movable limiting member (20) is slidably connected to the U-shaped sleeve support member (19).

10. A wire tensioner for preventing wire rope from running away when releasing wires in a power transmission line according to claim 1, characterized in that: The transmission mechanism comprises a mounting disc (22), wherein the mounting disc (22) is mounted on the bottom end of the mounting shaft (4), a fixed shaft (23) is mounted on the side of the bottom of the mounting disc (22) close to the T-shaped movable plate (18), a second connecting rod (24) is sleeved on the outer side of the fixed shaft (23), and an end of the second connecting rod (24) away from the fixed shaft (23) is hinged to the T-shaped movable plate (18).

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