CN109921364B - Cable strain insulator device - Google Patents
Cable strain insulator device Download PDFInfo
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- CN109921364B CN109921364B CN201811602404.2A CN201811602404A CN109921364B CN 109921364 B CN109921364 B CN 109921364B CN 201811602404 A CN201811602404 A CN 201811602404A CN 109921364 B CN109921364 B CN 109921364B
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Abstract
The invention discloses a cable strain insulator device, and relates to the field of strain insulators; comprises a shell, one end of the shell is inserted with a rotating shaft vertical to the shell and is provided with a cable outlet, the other end of the shell is provided with a first cable through hole for passing a cable, the rotating shaft is fixedly connected with a winding roller coaxial with the rotating shaft, a first sliding block is arranged in the shell along the axial direction, the wire pole is provided with a first nut on one side, a second nut is arranged on the opposite side of the wire pole, the first nut and the second nut are abutted against the wire pole, the first nut and the second nut are both in threaded connection with the rotating shaft, and the second nut is positioned between the wire pole and the shell; the invention has good durability.
Description
Technical Field
The invention belongs to the field of power transmission, and particularly relates to a cable strain insulator.
Background
The cable is fixed on the telegraph pole, and after a period of time, the cable is easy to loosen, so that people can feel unsafe visually; the cable strain insulator is used for preventing the cable from loosening and preventing the cable from being laid down; the prior art utilizes the spring to carry out strain insulator, and after long-time use, spring force attenuates easily to lead to cable tension to reduce, have the shortcoming of durability poor.
Chinese patent No. CN106448952B, grant publication No. 20170811, discloses a "Y-shaped strain insulator string and strain tower"; the method comprises the following steps: the tension string comprises two tension strings, a first connecting hardware fitting, a first extension structure, a second connecting hardware fitting and a first triangular yoke plate, wherein the first triangular yoke plate is triangular; the apex angle of first triangle yoke plate loops through first link fitting, first extension structure and second link fitting and is connected with the strain insulator tower, and two base angles of first triangle yoke plate are connected with two strain insulator-strings respectively. The strain tower comprises a hanging point of a Y-shaped strain insulator string, and the Y-shaped strain insulator string is hung at the hanging point; although the unbalanced force of the tension tower is reduced, the tension tower is tensioned by the spring, and the elastic force of the spring is easy to attenuate after long-time use, so that the tension of the cable is reduced, and the durability is poor.
Disclosure of Invention
The invention aims to overcome the defect of poor durability in the prior art, the winding roller and the pull wire are added, the shell rotates along with the reduction of the performance of the spring, the pull wire elongates the spring to compensate the performance attenuation of the spring, the service life of the tension resisting device for the cable is prolonged, and the tension resisting device for the cable is good in durability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cable strain device comprises a shell, wherein one end of the shell is inserted with a rotating shaft perpendicular to the shell and provided with a cable outlet, the other end of the shell is provided with a first cable through hole for passing a cable, the shell is rotatably connected with the rotating shaft, the rotating shaft is fixedly connected on a telegraph pole, the rotating shaft is fixedly connected with a winding roller coaxial with the rotating shaft, the winding roller is positioned in the shell, a first sliding block, a spring and a second sliding block for clamping the cable are sequentially arranged in the shell along the axial direction, the second sliding block is provided with a second cable through hole for passing the cable, the second sliding block is positioned between the first sliding block and the rotating shaft, one end of the spring is fixedly connected with the first sliding block, the other end of the spring is fixedly connected with the second sliding block, a stay wire is wound on the winding roller, one end of the stay wire is wound on the winding roller, and the other end of the stay, the tangent point of acting as go-between and winding roller is located the upside of winding roller, the wire pole is passed in the pivot, wire pole one side is equipped with first nut, the relative one side of wire pole is equipped with the second nut, first nut and second nut all support and lean on the wire pole, first nut and second nut all with pivot threaded connection, the second nut is located between wire pole and the shell.
When the invention is used, a cable enters the shell through the first cable through hole, then sequentially passes through the first slider and the second cable through hole and penetrates out of the cable outlet, the cable is fixed on the first slider, the rotating shaft is fixedly connected on the telegraph pole, the winding roller is fixedly connected on the rotating shaft, one end of the stay wire is wound on the winding roller, the other end of the stay wire is connected on the second slider, the second slider is connected with the first slider through the spring, therefore, the first slider is pulled by the cable, the second slider is pulled by the first slider through the spring, the stay wire prevents the second slider from being pulled, under the elasticity of the spring, stronger tension exists on the cable, after a period of time, the performance of the spring is reduced, the cable is loosened, because the shell is rotationally connected with the rotating shaft, the shell rotates by taking the rotating shaft as the center, one end of the shell far away from the rotating shaft is reduced, the pull wire starts to wind on the winding roller, so that the pull wire pulls the second sliding block to slide towards the direction of the rotating shaft, and the second sliding block elongates the spring, so that the tension of the cable is compensated; after a long time, if the tension of the cable is too severely attenuated, the shell rotates to be insufficient to compensate the tension, the first nut on the rotating shaft is unscrewed, the rotating shaft is rotatably connected with the telegraph pole, the rotating shaft is rotated, the rotating shaft is fixedly connected with the winding roller, the rotating shaft drives the winding roller to rotate, the winding roller pulls the pull wire, and the spring is stretched by the pull wire, so that the tension of the cable is compensated, and the durability of the cable tension compensation device is further improved; finally, the first nut is screwed down, and the rotating shaft is fixed on the telegraph pole again;
preferably, one end of the rotating shaft is fixedly connected with an adjusting handle, and the first nut is located between the adjusting handle and the second nut.
The adjusting handle is additionally arranged, so that the rotating shaft can be conveniently rotated to compensate the tension of the cable.
Preferably, the housing comprises a first sub-housing and a second sub-housing coaxial with the first sub-housing, one end of the first sub-housing is fixedly connected with one end of the second sub-housing, the rotating shaft is inserted in the second sub-housing, the first cable through hole is located at one end, far away from the second sub-housing, of the first sub-housing, the first slider is located in the first sub-housing, the second slider is located in the second sub-housing, a first flanging is arranged at one end, close to the second sub-housing, of the first sub-housing, a second flanging is arranged at one end, close to the first sub-housing, of the second sub-housing, and the first flanging and the second flanging are fixedly connected through fixing bolts.
When the cable is installed, the second sub-shell is installed on a telegraph pole, the first sliding block is connected with the second sliding block through the spring, the cable penetrates through a first cable through hole in the first sub-shell, the first sliding block is fixedly connected to the cable, the cable penetrates through the second sliding block, the second sliding block is placed into the second sub-shell, and the first sub-shell and the second sub-shell are fixedly connected through the bolt; the invention has the characteristic of convenient installation.
Preferably, a water tank for dredging rainwater is arranged on the inner side wall of the shell along the axial direction of the shell, a water outlet for guiding rainwater is formed in one end, close to the first cable through hole, of the shell, and the water outlet is communicated with one end of the water tank.
Because the cable is located outdoors, rainwater cannot be prevented from entering the cable, the rainwater must be discharged in time, otherwise potential safety hazards exist, the cable is soaked in the rainwater and can corrode wires, the water tank is additionally arranged, and the rainwater in the shell is drained out of the water gap and discharged through the water outlet; the water accumulation in the invention is prevented, and the durability of the invention is further improved.
The invention has the beneficial effects that: (1) because the winding roller is fixedly connected with the rotating shaft, the stay wire starts to wind on the winding roller along with the rotation of the shell, so that the stay wire pulls the second sliding block to slide towards the rotating shaft direction, and the second sliding block elongates the spring, thereby compensating the tension of the cable; (2) the rotating shaft drives the winding roller to rotate, the winding roller pulls the pull wire, and the pull wire stretches the spring, so that the tension of the cable is compensated, and the durability of the cable tension compensation device is further improved; (3) an adjusting handle is additionally arranged, so that the rotating shaft can be conveniently rotated to compensate the tension of the cable; (4) the invention has the characteristic of convenient installation; (5) a water tank is additionally arranged to drain rainwater in the shell out of the water outlet and discharge the rainwater through the water outlet; the water accumulation in the invention is prevented, and the durability of the invention is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged partial view taken at B in FIG. 1;
FIG. 4 is a cross-sectional view of the present invention;
fig. 5 is a schematic structural view in another state of the present invention.
In the figure: the cable separation device comprises a shell 1, a rotating shaft 2, a winding roller 3, a first sliding block 4, a second sliding block 5, a first cable through hole 6, a spring 7, a stay wire 8, a second cable through hole 9, a first nut 10, a second nut 11, an adjusting handle 12, a first sub-shell 13, a second sub-shell 14, a first flanging 15, a second flanging 16, a fixing bolt 17, a water outlet 18, a water tank 19 and a cable outlet 20.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
fig. 1, fig. 3, fig. 4 and fig. 5 show a cable tension device, which comprises a housing 1, wherein one end of the housing 1 is inserted with a rotating shaft 2 perpendicular to the housing and provided with a cable outlet 20, the other end of the housing 1 is provided with a first cable through hole 6 for passing a cable, the housing 1 is rotatably connected with the rotating shaft 2, the rotating shaft 2 is fixedly connected with a telegraph pole, the rotating shaft 2 is fixedly connected with a winding roller 3 coaxial with the rotating shaft 2, the winding roller 3 is positioned in the housing 1, the housing 1 is internally and sequentially provided with a first sliding block 4, a spring 7 and a second sliding block 5 along the axial direction, the second sliding block 5 is provided with a second cable through hole 9 for passing the cable, the second sliding block 5 is positioned between the first sliding block 4 and the rotating shaft 2, one end of the spring 7 is fixedly connected with the first sliding block 4, and the other end of the spring 7 is fixedly connected with the second sliding, the utility model discloses a telegraph pole, including winding roller 3, pivot 2, 8, second slider 5, 8, the tangent points of acting as go-between are located winding roller 3's upside, pivot 2 passes the telegraph pole, telegraph pole one side is equipped with first nut 10, the relative one side of telegraph pole is equipped with second nut 11, first nut 10 all supports with second nut 11 and leans on the telegraph pole, first nut 10 and second nut 11 all with 2 threaded connection of pivot, second nut 11 is located between telegraph pole and shell 1.
When the invention is used, a cable enters the shell through the first cable through hole, then sequentially passes through the first slider and the second cable through hole and penetrates out of the cable outlet, the cable is fixed on the first slider, the rotating shaft is fixedly connected on the telegraph pole, the winding roller is fixedly connected on the rotating shaft, one end of the stay wire is wound on the winding roller, the other end of the stay wire is connected on the second slider, the second slider is connected with the first slider through the spring, therefore, the first slider is pulled by the cable, the second slider is pulled by the first slider through the spring, the stay wire prevents the second slider from being pulled, under the elasticity of the spring, stronger tension exists on the cable, after a period of time, the performance of the spring is reduced, the cable is loosened, because the shell is rotationally connected with the rotating shaft, the shell rotates by taking the rotating shaft as the center, one end of the shell far away from the rotating shaft is reduced, the pull wire starts to wind on the winding roller, so that the pull wire pulls the second sliding block to slide towards the direction of the rotating shaft, and the second sliding block elongates the spring, so that the tension of the cable is compensated; after a long time, if the tension of the cable is too severely attenuated, the shell rotates to be insufficient to compensate the tension, the first nut on the rotating shaft is unscrewed, the rotating shaft is rotatably connected with the telegraph pole, the rotating shaft is rotated, the rotating shaft is fixedly connected with the winding roller, the rotating shaft drives the winding roller to rotate, the winding roller pulls the pull wire, and the spring is stretched by the pull wire, so that the tension of the cable is compensated, and the durability of the cable tension compensation device is further improved; finally, the first nut is screwed down, and the rotating shaft is fixed on the telegraph pole again;
fig. 4 shows that an adjusting handle 12 is fixed to one end of the rotating shaft 2, and the first nut 10 is located between the adjusting handle 12 and the second nut 11.
The adjusting handle is additionally arranged, so that the rotating shaft can be conveniently rotated to compensate the tension of the cable.
Fig. 1 shows that the housing 1 includes a first sub-housing 13 and a second sub-housing 14 coaxial with the first sub-housing 13, one end of the first sub-housing 13 is fixedly connected to one end of the second sub-housing 14, the rotating shaft 2 is inserted into the second sub-housing 14, the first cable via hole 6 is located at one end of the first sub-housing 13 far away from the second sub-housing 14, the first slider 4 is located in the first sub-housing 13, the second slider 5 is located in the second sub-housing 14, a first flange 15 is arranged at one end of the first sub-housing 13 close to the second sub-housing 14, a second flange 16 is arranged at one end of the second sub-housing 14 close to the first sub-housing 13, and the first flange 15 and the second flange 16 are fixedly connected through a fixing bolt 17.
When the cable is installed, the second sub-shell is installed on a telegraph pole, the first sliding block is connected with the second sliding block through the spring, the cable penetrates through a first cable through hole in the first sub-shell, the first sliding block is fixedly connected to the cable, the cable penetrates through the second sliding block, the second sliding block is placed into the second sub-shell, and the first sub-shell and the second sub-shell are fixedly connected through the bolt; the invention has the characteristic of convenient installation.
Fig. 2 and 3 show that a water tank 19 for guiding rainwater is axially arranged on the inner side wall of the housing 1 along the housing 1, a water outlet 18 for guiding rainwater is arranged at one end of the housing 1 close to the first cable via hole 6, and the water outlet 18 is communicated with one end of the water tank 19.
Because the cable is located outdoors, rainwater cannot be prevented from entering the cable, the rainwater must be discharged in time, otherwise potential safety hazards exist, the cable is soaked in the rainwater and can corrode wires, the water tank is additionally arranged, and the rainwater in the shell is drained out of the water gap and discharged through the water outlet; the water accumulation in the invention is prevented, and the durability of the invention is further improved.
Claims (4)
1. A cable strain device comprises a shell, wherein one end of the shell is inserted with a rotating shaft perpendicular to the shell and provided with a cable outlet, the other end of the shell is provided with a first cable through hole for passing a cable, the shell is rotatably connected with the rotating shaft, the rotating shaft is fixedly connected on a telegraph pole, the rotating shaft is fixedly connected with a winding roller coaxial with the rotating shaft, the winding roller is positioned in the shell, a first sliding block, a spring and a second sliding block for clamping the cable are sequentially arranged in the shell along the axial direction, the second sliding block is provided with a second cable through hole for passing the cable, the second sliding block is positioned between the first sliding block and the rotating shaft, one end of the spring is fixedly connected with the first sliding block, the other end of the spring is fixedly connected with the second sliding block, a stay wire is wound on the winding roller, and one end of the stay wire is wound on the winding roller, the other end of the stay wire is connected with the second sliding block, the tangent point of the stay wire and the winding roller is positioned on the upper side of the winding roller, the rotating shaft penetrates through the telegraph pole, a first nut is arranged on one side of the telegraph pole, a second nut is arranged on the opposite side of the telegraph pole, the first nut and the second nut are both abutted against the telegraph pole, the first nut and the second nut are both in threaded connection with the rotating shaft, and the second nut is positioned between the telegraph pole and the shell.
2. The cable strain insulator device of claim 1, wherein an adjusting handle is secured to one end of the shaft, and the first nut is disposed between the adjusting handle and the second nut.
3. The cable strain insulator device according to claim 1 or 2, wherein the housing comprises a first sub-housing and a second sub-housing coaxial with the first sub-housing, one end of the first sub-housing is fixedly connected with one end of the second sub-housing, the rotating shaft is inserted into the second sub-housing, the first cable through hole is located at one end of the first sub-housing, which is far away from the second sub-housing, the first slider is located in the first sub-housing, the second slider is located in the second sub-housing, a first flange is arranged at one end of the first sub-housing, which is close to the second sub-housing, a second flange is arranged at one end of the second sub-housing, which is close to the first sub-housing, and the first flange and the second flange are fixedly connected through a fixing bolt.
4. The cable strain insulator device according to claim 1 or 2, wherein a water channel for guiding rainwater is disposed along an axial direction of the housing on an inner side wall of the housing, a water outlet for guiding rainwater is disposed at an end of the housing near the first cable through hole, and the water outlet is communicated with an end of the water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602404.2A CN109921364B (en) | 2018-12-26 | 2018-12-26 | Cable strain insulator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602404.2A CN109921364B (en) | 2018-12-26 | 2018-12-26 | Cable strain insulator device |
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| Publication Number | Publication Date |
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| CN109921364A CN109921364A (en) | 2019-06-21 |
| CN109921364B true CN109921364B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811602404.2A Active CN109921364B (en) | 2018-12-26 | 2018-12-26 | Cable strain insulator device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070068636A1 (en) * | 2005-09-29 | 2007-03-29 | Fu-Lai Yu | Suspension cord control mechanism for a window covering |
| RU2309109C1 (en) * | 2006-01-24 | 2007-10-27 | Закрытое акционерное общество "Оптические микрокабельные технологии" | Device for winding fiber-optic cablke on carrying wire |
| CN201323408Y (en) * | 2008-10-07 | 2009-10-07 | 北京送变电公司 | Tackle for pay-off tension |
| CN202137726U (en) * | 2011-02-15 | 2012-02-08 | 张文 | Telegraph pole guy winding tool |
| CN205051247U (en) * | 2015-09-11 | 2016-02-24 | 山东送变电工程公司 | Quick fiber crops strand hand wheel |
| JP2017212800A (en) * | 2016-05-24 | 2017-11-30 | 幸子 宮下 | System for mounting electric wire for electric fence |
| CN206894192U (en) * | 2017-06-28 | 2018-01-16 | 广州旺晟电力科技有限公司 | A kind of insulating tension clamp |
| CN207569338U (en) * | 2017-10-18 | 2018-07-03 | 大庆丹枫石油技术开发有限公司 | A kind of petroleum pipeline support fixed equipment in petroleum works field |
| CN107999422B (en) * | 2017-12-13 | 2021-02-19 | 新昌县馁侃农业开发有限公司 | Cleaning device for electric power |
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