CN216016275U - Wire tightening device - Google Patents
Wire tightening device Download PDFInfo
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- CN216016275U CN216016275U CN202121551992.9U CN202121551992U CN216016275U CN 216016275 U CN216016275 U CN 216016275U CN 202121551992 U CN202121551992 U CN 202121551992U CN 216016275 U CN216016275 U CN 216016275U
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- wire
- drag hook
- lever block
- clamping device
- chain
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Abstract
The embodiment of the utility model discloses a wire tightening device which comprises a wire clamping device and a lever block, wherein the wire clamping device is used for being clamped on a wire, one end of the lever block is connected to the wire clamping device, the other end of the lever block is connected to a wire hanging point, the lever block pulls the wire to adjust the tension of the wire, and the wire clamping device and the lever block are fixed relative to the circumferential position of the wire to avoid torsion of the wire. The lever block can be used for quickly tightening the wire to the design sag requirement; the wire clamping device and the lever block are fixed relative to the circumferential position of the wire, and torsion cannot be generated in the traction process, so that the wire is prevented from twisting and rotating, and the connection position is more accurate.
Description
Technical Field
The utility model relates to the technical field of power transmission line installation, in particular to a wire tightening device.
Background
When the transmission line is tightened, one end of a steel wire rope is generally connected with a wire clamping device arranged on a wire, the other end of the steel wire rope is connected with a motorized winching machine, and the motorized winching machine pulls the steel wire rope so as to tighten the wire to meet the designed sag requirement.
Because the motor-driven winching has larger instantaneous power and faster tightening speed, the wire cannot be quickly and accurately tightened to the design sag requirement.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a wire tensioning device, which is used to solve the problem that the conventional wire tensioning device in the prior art generates torsion during the process of pulling a wire.
The wire tightening device comprises a wire clamping device and a lever block, wherein the wire clamping device is used for clamping a wire, one end of the lever block is connected to the wire clamping device, the other end of the lever block is connected to a wire hanging point, the lever block pulls the wire to adjust the tension of the wire, and the wire clamping device and the lever block are fixed relative to the circumferential position of the wire so as to prevent the wire from twisting.
Optionally, the lever block is connected with the wire clamping device through an anti-twisting steel wire rope.
Optionally, the lever block comprises a first draw hook, a transmission assembly, a chain and a second draw hook, the first draw hook is used for connecting the wire clamping device, the second draw hook is used for connecting the wire hanging point, two ends of the chain are respectively connected with the first draw hook and the second draw hook, and the transmission assembly is used for adjusting the chain to adjust the distance between the first draw hook and the second draw hook.
Optionally, first drag hook end-to-end connection has first pulley, second drag hook end-to-end connection has the second pulley, the one end of chain is relative first drag hook fixed connection, and the other end is the free end, the chain is the S-shaped and walks around in proper order the second pulley with first pulley, the drive assembly pulling the free end of chain removes.
Optionally, the openings of the first draw hook and the second draw hook are both provided with a barrier strip.
Optionally, the wire clamping device and the first draw hook, the second draw hook and the wire hanging point are connected through shackle.
Optionally, a tension meter is connected in series between the lever block and the wire clamping device.
Optionally, the wire tensioner further comprises an electrical control system, and the electrical control system controls the transmission assembly.
Optionally, the tension meter is connected to the electrical control system, and the electrical control system controls the transmission assembly through the reading of the tension meter.
Optionally, one end of the wire is fixed, the other end of the wire is connected with a motorized winching machine, the motorized winching machine is used for roughly adjusting the tension of the wire, and the wire tightening device is connected to one end close to the motorized winching machine and used for finely adjusting the tension of the wire.
The embodiment of the utility model has the following beneficial effects:
after the motor-driven winching mill coarsely adjusts the wire, the wire tightening device is arranged between the wire and a wire hanging point to finely adjust the tension of the wire, and the hand-operated lever block can quickly tighten the wire to the design sag requirement; the wire clamping device and the lever block are fixed relative to the circumferential position of the wire, and torsion cannot be generated in the traction process, so that the wire is prevented from twisting and rotating, and the connection position is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a schematic structural view of a tensioner in one embodiment.
In the figure: 200. a wire; 20. a wire clamping device; 30. a first shackle, 40, an anti-twist steel wire rope; 50. a lever block 51 and a first draw hook; 52. a first pulley, 53, a chain; 54. a second pulley, 55, a second draw hook, 56 and a transmission component; 60. and (7) second shackle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, as an embodiment of the present invention, the wire tightening device includes a wire clamping device 20 and a lever block, the wire clamping device 20 is clamped on the wire 200, one end of the lever block is connected to the wire clamping device 20, the other end of the lever block is connected to the wire hanging point, the lever block pulls the wire 200 to adjust the tension of the wire 200, and the circumferential positions of the wire clamping device 20 and the lever block relative to the wire 200 are fixed to prevent the wire 200 from twisting.
The motor-driven winching machine has larger instantaneous power and faster tightening speed, the tension of the wire 200 needs to be further adjusted when the wire 200 which is coarsely tightened and pulled by the motor-driven winching machine is pulled, the wire tightening device provided by the utility model is used for finely adjusting the wire 200, or the wire tightening device can directly replace the motor-driven winching machine to carry out wire tightening installation, and the lever block can quickly tighten the wire 200 to the design sag requirement; the wire clamp 20 and the lever block are fixed relative to the circumferential position of the wire 200, so that torsion is not generated in the traction process, and the designed sag requirement is quickly and accurately met.
As an embodiment of the present invention, one end of the wire 200 is fixed, and the other end is connected with a motorized winch for coarse adjustment of the tension of the wire 200, and a wire tightening device is connected to the end close to the motorized winch for fine adjustment of the tension of the wire 200.
As a specific embodiment of the present invention, the lever block and the wire clamp 20 are connected by an anti-twisting wire rope 40.
Optionally, the lever block and the wire clamping device 20 are connected through an anti-twisting steel wire rope 40 sleeve, and the lever block and the wire clamping device 20 are respectively connected in rope sleeves at two ends of the anti-twisting steel wire rope 40 sleeve.
The anti-twist steel wire rope 40 is formed by regularly weaving a group of single-stranded round strand steel wire ropes twisted in the left direction and a group of single-stranded round strand steel wire ropes twisted in the right direction, wherein the left-stranded round strand steel wire ropes and the right-stranded round strand steel wire ropes are symmetrically woven, and the left-stranded round strand steel wire ropes and the right-stranded round strand steel wire ropes are equal in number. The two helical moments are balanced by the opposite directions, so that the anti-twisting wire rope 40 has a non-rotating characteristic. The conventional wire tightening device does not consider that the wire 200 is twisted in the circumferential direction in the process of drawing the wire 200, so that torsion is generated, the wire 200 and a steel wire rope are twisted and rotated and are intertwined with each other, or the wire clamping device 20 cannot normally bear force, and potential safety hazards are generated. The utility model combines the anti-twisting steel wire rope 40 with the lever block, effectively improves the speed of installation and construction of wire tightening, simultaneously can avoid the twisting of the lead 200 and improve the safety performance.
As a specific embodiment of the present invention, the lever block includes a first hook, a transmission assembly, a first chain pulley, a second chain pulley, a first hook and a second hook, the first hook is used for connecting the wire clamping device 20, the second hook is used for connecting the wire hanging point, two ends of the first chain pulley, the second chain pulley, the third chain pulley, the fourth chain pulley, the fifth chain pulley, the sixth chain pulley, the fifth chain pulley, the sixth chain, the fifth chain, the sixth chain, the.
Optionally, the first drag hook end is connected with a first pulley, the second drag hook end is connected with a second pulley 54, one end of the chain is fixedly connected with the first drag hook, the other end of the chain is a free end, the chain is wound around the second pulley 54 and the first pulley in sequence in an S shape, and the transmission assembly pulls the chain to move around the free end of the chain 53.
When the free end of the first pulley 53 of the chain is elongated, the distance between the first draw hook and the second draw hook is shortened, and the wire 200 is tensioned by tension; otherwise, the wire 200 is loosened by its own weight.
Optionally, the openings of the first draw hook and the second draw hook are both provided with a barrier strip. When the first draw hook or the second draw hook is arranged outside the preset position, the stop strip locks the draw hook to prevent slipping.
In an embodiment of the present invention, the wire clamping device 20 and the first hook, and the second hook and the wire hanging point are connected by a shackle.
As a specific embodiment of the present invention, a tension gauge is connected in series between the lever block and the wire clamp 20, so as to more intuitively observe the stress condition of the wire 200.
As an embodiment of the present invention, the wire tensioner further comprises an electrical control system, and the electrical control system controls the transmission assembly.
Further, the tension meter is connected with an electric control system. The electric control system controls the transmission assembly through the reading of the tension meter.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.
Claims (10)
1. A kind of stringing device, characterized by: the wire clamping device is used for being clamped on a wire, one end of the lever block is connected to the wire clamping device, the other end of the lever block is connected to a wire hanging point, the lever block pulls the wire to adjust the tension of the wire, and the wire clamping device and the lever block are fixed relative to the circumferential position of the wire to avoid torsion of the wire.
2. The thread tensioner as claimed in claim 1, wherein: the lever block is connected with the wire clamping device through an anti-twisting steel wire rope.
3. The thread tensioner as claimed in claim 1, wherein: the lever block comprises a first drag hook, a transmission assembly, a chain and a second drag hook, the first drag hook is used for being connected with the wire clamping device, the second drag hook is used for being connected with the wire hanging point, two ends of the chain are respectively connected with the first drag hook and the second drag hook, and the transmission assembly is used for adjusting the distance between the first drag hook and the second drag hook through adjusting the chain.
4. The thread tensioner as claimed in claim 3, wherein: first drag hook end-to-end connection has first pulley, second drag hook end-to-end connection has the second pulley, the one end of chain is relative first drag hook fixed connection, the other end are the free end, the chain is the S-shaped and walks around in proper order the second pulley with first pulley, the drive assembly pulling the free end of chain removes.
5. The thread tensioner as claimed in claim 3, wherein: the opening parts of the first drag hook and the second drag hook are both provided with a barrier strip.
6. The thread tensioner as claimed in claim 3, wherein: the wire clamping device is connected with the first drag hook and the second drag hook and the wire hanging point through shackles.
7. The wire tensioner according to any one of claims 3 to 6, wherein: a tension meter is connected in series between the lever block and the wire clamping device.
8. The thread tensioner as claimed in claim 7, wherein: the take-up device further comprises an electrical control system that controls the transmission assembly.
9. The thread tensioner as claimed in claim 8, wherein: the tension meter is connected with the electric control system, and the electric control system controls the transmission assembly through the reading of the tension meter.
10. The thread tensioner as claimed in claim 1, wherein: one end of the wire is fixed, the other end of the wire is connected with a motorized winching machine, the motorized winching machine is used for roughly adjusting the tension of the wire, and the wire tightening device is connected to one end close to the motorized winching machine and used for finely adjusting the tension of the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551992.9U CN216016275U (en) | 2021-07-07 | 2021-07-07 | Wire tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551992.9U CN216016275U (en) | 2021-07-07 | 2021-07-07 | Wire tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216016275U true CN216016275U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121551992.9U Active CN216016275U (en) | 2021-07-07 | 2021-07-07 | Wire tightening device |
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| Country | Link |
|---|---|
| CN (1) | CN216016275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096776A (en) * | 2023-10-20 | 2023-11-21 | 国网山东省电力公司宁阳县供电公司 | Wire tightener for installing power engineering cable |
-
2021
- 2021-07-07 CN CN202121551992.9U patent/CN216016275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096776A (en) * | 2023-10-20 | 2023-11-21 | 国网山东省电力公司宁阳县供电公司 | Wire tightener for installing power engineering cable |
| CN117096776B (en) * | 2023-10-20 | 2024-01-19 | 国网山东省电力公司宁阳县供电公司 | Wire tightener for installing power engineering cable |
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