CN111864679A - Electric power transmission overhead line cable isolating rod - Google Patents
Electric power transmission overhead line cable isolating rod Download PDFInfo
- Publication number
- CN111864679A CN111864679A CN202010743929.9A CN202010743929A CN111864679A CN 111864679 A CN111864679 A CN 111864679A CN 202010743929 A CN202010743929 A CN 202010743929A CN 111864679 A CN111864679 A CN 111864679A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 28
- 239000004020 conductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
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- Installation Of Indoor Wiring (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to a cable isolation rod for an electric power transmission overhead line, which comprises a connecting plate, an expansion device and a clamping device, wherein the expansion device is arranged on the connecting plate, and the clamping device is arranged on the expansion device; the isolation distance of the existing cable isolation rod to the cables is fixed, the interval length between the cables cannot be adjusted, the stability of cable isolation can be improved, and the isolation distance between the cables can be adjusted.
Description
Technical Field
The invention relates to the technical field of power transmission, in particular to a cable isolating rod for an overhead power transmission line.
Background
The cable is an electric energy or signal transmission device, usually constitute by several or several groups of wire, the application of cable is very extensive, almost relate to every trade, in electric power system, information transmission system, the cable can often be used in fields such as electrician's equipment and electrical apparatus instrument, the cable is at the in-process of erectting, need split into many wires with it, in order to guarantee that split wire pencil interval keeps unchangeable in order to satisfy electrical property, just will install the barrier rod between the electric wire of parallel, can avoid overhead cable vibration under the wind-force effect or under the abominable meteorological condition, cause the cable run to damage.
However, the cable isolation rod has the following problems that the cable isolation rod cannot stably clamp the cable, the cable isolation rod has a single cable clamping direction, insufficient clamping force and inconvenience in installation, the cable isolation rod cannot withstand severe weather in the later period, the cable isolation rod is easy to loosen under the condition of large wind power, the cable isolation rod falls from the high altitude, and a large potential safety hazard exists; the isolation distance of the existing cable isolation rod to the cables is fixed, the interval length between the cables cannot be adjusted, the stability of cable isolation can be improved, and the isolation distance between the cables can be adjusted.
Disclosure of Invention
Technical problem to be solved
The electric power transmission overhead line cable isolation rod provided by the invention can solve the problem when the cable isolation rod isolates a cable.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the electric power transmission overhead line cable isolation rod comprises a connecting plate, a telescopic device and a clamping device, wherein the telescopic device is installed on the connecting plate, and the clamping device is installed on the telescopic device.
The telescopic device comprises a strip plate, a bidirectional threaded rod, a flat plate, a connecting round rod, a rotating rod, a flat rod, a fan panel and a sliding plate, wherein the strip plate is symmetrically arranged at the left end and the right end of the connecting plate, a strip groove is formed in the strip plate, the sliding plate is uniformly arranged in the strip groove in a sliding fit mode, a straight groove is formed in the connecting plate, the flat plate is symmetrically arranged in the straight groove in the front-back direction in a sliding fit mode, a moving threaded groove is formed in the flat plate, the front end and the rear end of the bidirectional threaded rod are respectively arranged in the moving threaded grooves in the flat plate at the front end and the rear end in the straight groove in a threaded engagement mode, the rotating rod is arranged at the rear end of the bidirectional threaded rod by penetrating through the outer wall of the rear end of the connecting plate, the fan panel is symmetrically arranged at the front end and, install the flat bar on the fan panel, be located the connecting plate about the straight-bar on the fan panel of both ends nearest sliding plate inner install respectively at the connection pole upside through the bearing height dislocation, connect the pole lower extreme and install on the flat board, through the sliding plate of even design, can keep apart the operation to more cable conductor.
The clamping device comprises clamping plates, square plates, a rotary threaded rod, a power plate, a tightening plate, a jacking rod and a positioning plate, wherein the lower end of the sliding plate is provided with a sliding groove, the power plate is arranged in the sliding groove in a sliding fit manner, the lower end of the power plate is provided with a rotary threaded groove, the upper end of the power plate is provided with a power groove, the clamping plates are symmetrically arranged at the front and back of the lower end of the sliding plate, the rotary threaded rod penetrates through the clamping plate at the rear end of the sliding plate and is arranged in the rotary threaded groove in a threaded engagement manner, the front end of the rotary threaded rod is arranged on the inner wall of the clamping plate at the front end of the sliding plate through a bearing, the middle part of the rear side of the lower end of the sliding plate is provided with the square plate, the upper end of the square plate is provided with a flat groove, the positioning, and the jacking rod is arranged in the flat groove in a sliding fit mode, the abutting plate is arranged at the upper end of the jacking rod and arranged in the power groove in a sliding fit mode, and the clamping mechanism is arranged at the lower end of the square plate and can provide stable clamping power for the clamping mechanism.
Fixture include centre gripping gear, rotatory round bar, location round bar, square pole, grip block, arc and insulating rubber board, the square board downside install the centre gripping gear through round pin axle bilateral symmetry, install rotatory round bar on the centre gripping gear, lie in centre gripping gear downside on the square board and install the location round bar through the bearing, mutual parallel mounting has the square pole on rotatory round bar and the location round bar, set up flutedly on the grip block, the square pole outer end is installed respectively between the recess inner wall through the round pin axle, the arc is installed to the grip block lower extreme, install the insulating rubber board on the arc inner wall, can carry out stable centre gripping operation to the cable conductor, guaranteed the stability of cable conductor centre gripping.
As a preferred technical scheme of the invention, gear grooves are uniformly arranged on the outer wall of the sector plate along the circumferential direction of the outer wall, and the gear grooves on the sector plate are meshed with each other for use, so that the sector plates can be mutually driven to rotate.
As a preferable technical scheme of the invention, the outer walls of the left end and the right end of the lower part of the jacking rod are provided with tooth-shaped grooves, and the tooth-shaped grooves and the clamping gear are meshed with each other for use, so that the jacking rod can drive the clamping gear to rotate.
As a preferred technical scheme of the invention, the arc-shaped plates on the clamping plates installed through the square rods on the positioning round rods at the left ends of the square plates are uniformly provided with the convex blocks, the arc-shaped plates on the clamping plates installed through the square rods on the positioning round rods at the right ends of the square plates are uniformly provided with the concave grooves, and the convex blocks and the concave grooves are matched with each other for use, so that the matching tightness between the arc-shaped plates is improved.
As a preferable technical scheme of the invention, the lower end of the power plate is an inclined profile, and the power groove on the power plate is an inclined groove, so that the power plate can provide stable clamping power for the clamping mechanism.
As a preferred technical scheme of the invention, the upper end of the abutting plate is an inclined surface, and the inclined surface and one end of the abutting plate are matched with the power groove on the power plate for use, so that the power plate can drive the abutting plate to move.
(III) advantageous effects
1. The cable isolation rod can solve the following problems existing when the cable isolation rod isolates a cable conductor, namely, the traditional cable isolation rod cannot stably clamp the cable conductor, the cable isolation rod has a single cable clamping direction and insufficient clamping force, is inconvenient to install, cannot endure severe weather in the later period, is easy to loosen under the condition of large wind power, so that the cable isolation rod falls from the high altitude and has large potential safety hazard; the isolation distance of the existing cable isolation rod to the cables is fixed, the interval length between the cables cannot be adjusted, the stability of cable isolation can be improved, and the isolation distance between the cables can be adjusted.
2. The telescopic device designed by the invention drives the flat plates to move oppositely through the bidirectional threaded rod, and the flat plates are matched with the connecting round rod, the flat rod, the sector plate and the sliding plate, so that the sliding plate can drive the cables clamped on the clamping device to move to a proper distance, the stability of cable isolation is ensured, and more cables can be isolated through the uniformly designed sliding plate.
3. According to the clamping device and the clamping mechanism, the power plate is driven to move by the rotary threaded rod, the power plate drives the clamping gear to rotate by the abutting plate and the jacking rod, stable clamping power can be provided for the clamping mechanism, the rotary round rod is driven to rotate by the clamping gear, the rotary round rod drives the clamping plate to move by the mutual matching operation between the positioning round rod and the square rod, so that the insulating rubber plate on the arc-shaped plate can stably clamp a cable, the stability of clamping the cable is ensured, and the phenomenon of falling cannot occur.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of a portion of the telescoping device of the present invention;
fig. 6 is a partial structural schematic view of the clamping device of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, the power transmission overhead line cable spacer comprises a connecting plate 1, a telescopic device 2 and a clamping device 3, wherein the telescopic device 2 is installed on the connecting plate 1, and the clamping device 3 is installed on the telescopic device 2.
The clamping device 3 comprises a clamping plate 31, a square plate 32, a rotary threaded rod 33, a power plate 34, a resisting plate 35, a jacking rod 36 and a positioning plate 37, wherein the lower end of the sliding plate 28 is provided with a sliding groove, the power plate 34 is arranged in the sliding groove in a sliding fit mode, the lower end of the power plate 34 is provided with a rotary threaded groove, the upper end of the power plate 34 is provided with a power groove, the clamping plates 31 are symmetrically arranged at the front and back of the lower end of the sliding plate 28, the rotary threaded rod 33 penetrates through the clamping plate 31 at the rear end of the sliding plate 28 and is arranged in the rotary threaded groove in a threaded engagement mode, the front end of the rotary threaded rod 33 is arranged on the inner wall of the clamping plate 31 at the front end of the sliding plate 28 through a bearing, the square plate 32 is arranged at the middle part of the rear side of the lower end of the sliding plate 28, the upper end of the square plate 32, the through groove is internally provided with a jacking rod 36 in a sliding fit mode, the jacking rod 36 is arranged in the flat groove in a sliding fit mode, the upper end of the jacking rod 36 is provided with a abutting plate 35, the abutting plate 35 is arranged in the power groove in a sliding fit mode, and the lower end of the square plate 32 is provided with a clamping mechanism 38.
The outer walls of the left and right ends of the lower part of the jacking rod 36 are provided with tooth-shaped grooves, and the tooth-shaped grooves and the clamping gear 381 are meshed with each other for use.
The arc-shaped plates 386 on the clamping plates 385 mounted through the square rods 384 on the positioning round rods 383 at the left ends of the square plates 32 are uniformly provided with protruding blocks, the arc-shaped plates 386 on the clamping plates 385 mounted through the square rods 384 on the positioning round rods 383 at the right ends of the square plates 32 are uniformly provided with recessed grooves, and the protruding blocks and the recessed grooves are mutually matched for use.
The lower end of the power plate 34 is an inclined profile, and the power groove on the power plate 34 is an inclined groove.
The upper end of the abutting plate 35 is an inclined surface, and the inclined surface and one end of the power groove are matched with the power groove on the power plate 34.
During specific work, align the clearance between the insulating rubber 387 on the arc 386 on the cable line, rotate rotatory threaded rod 33, rotatory threaded rod 33 passes through the mode of thread engagement and drives power plate 34 motion, power plate 34 drives and supports tight board 35 motion, it drives jacking rod 36 motion to support tight board 35, jacking rod 36 drives centre gripping gear 381 through the mode of gear engagement and rotates, centre gripping gear 381 drives rotatory round bar 382 and rotates, rotatory round bar 382 drives square bar 384 and rotates, square bar 384 drives centre gripping plate 385 to the inner end motion, centre gripping plate 385 drives the inward end motion of arc 386, make insulating rubber 387 on the arc 386 carry out the centre gripping operation to the cable, so repeatedly, make clamping device 3 carry out the centre gripping operation to many cables.
The telescopic device 2 comprises a strip plate 21, a bidirectional threaded rod 22, a flat plate 23, a connecting round rod 24, a rotating rod 25, a flat rod 26, a sector plate 27 and a sliding plate 28, the strip plate 21 is symmetrically installed at the left end and the right end of the connecting plate 1, a strip groove is formed in the strip plate 21, the sliding plate 28 is evenly installed in the strip groove in a sliding fit mode, a straight groove is formed in the connecting plate 1, the flat plate 23 is symmetrically installed in the straight groove in a front-back mode in a sliding fit mode, a movable threaded groove is formed in the flat plate 23, the front end and the rear end of the bidirectional threaded rod 22 are respectively installed in the movable threaded grooves in the flat plate 23 at the front end and the rear end in the straight groove in a threaded engagement mode, the rear end of the bidirectional threaded rod 22 penetrates through the outer wall of the rear end of the connecting plate 1 to be provided with the rotating, sliding plates 28 positioned at the left end and the right end of the long strip groove are symmetrically and mutually abutted front and back to be provided with fan panels 27, flat rods 26 are arranged on the fan panels 27, straight rods on the fan panels 27 positioned at the inner ends of the sliding plates 28 closest to the left end and the right end of the connecting plate 1 are respectively arranged on the upper sides of the connecting round rods 24 in a height-staggered manner through bearings, and the lower ends of the connecting round rods 24 are arranged on the flat plate 23.
The outer wall of the sector plate 27 is uniformly provided with gear grooves along the circumferential direction, and the gear grooves on the sector plate 27 are meshed with each other for use.
During operation, insulating rubber plate 387 is respectively to the cable centre gripping after, rotate dwang 25, dwang 25 drives two-way threaded rod 22 and rotates, two-way threaded rod 22 drives dull and stereotyped 23 inside end motion through thread engagement's mode, dull and stereotyped 23 drives flat bar 26 through connecting round bar 24 and rotates, flat bar 26 drives and rotates between the sector board 27, sector board 27 drives sliding plate 28 and slides to the outside end, make sliding plate 28 drive the cable motion of centre gripping on clamping device 3 to suitable distance, can keep apart the operation to the cable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a power transmission overhead line cable barrier rod, includes connecting plate (1), telescoping device (2) and clamping device (3), its characterized in that: the connecting plate (1) is provided with a telescopic device (2), and the telescopic device (2) is provided with a clamping device (3); wherein:
the telescopic device (2) comprises a long strip plate (21), a bidirectional threaded rod (22), a flat plate (23), a connecting round rod (24), a rotating rod (25), a flat rod (26), a sector plate (27) and a sliding plate (28), wherein the long strip plate (21) is symmetrically installed at the left end and the right end of the connecting plate (1), a long strip groove is formed in the long strip plate (21), the sliding plate (28) is uniformly installed in the long strip groove in a sliding fit mode, a straight groove is formed in the connecting plate (1), the flat plate (23) is symmetrically installed in the straight groove in the front and back direction in a sliding fit mode, a movable thread groove is formed in the flat plate (23), the front end and the rear end of the bidirectional threaded rod (22) are respectively installed in the movable thread grooves in the flat plate (23) at the front end and the rear end of the straight groove in a thread meshing mode, and the rotating rod (25) is, the sliding plates (28) positioned in the middle of the long strip groove are symmetrically and tightly abutted with each other from front to back at the left end and the right end to be provided with fan panels (27), the sliding plates (28) positioned in the left end and the right end of the long strip groove are symmetrically and tightly abutted with each other from front to back to be provided with the fan panels (27), the fan panels (27) are provided with flat rods (26), straight rods on the fan panels (27) positioned at the inner ends of the sliding plates (28) nearest to the left end and the right end of the connecting plate (1) are respectively installed on the upper sides of the connecting round rods (24) through the height dislocation of bearings, and the;
the clamping device (3) comprises clamping plates (31), square plates (32), a rotary threaded rod (33), a power plate (34), a tightening plate (35), a jacking rod (36) and a positioning plate (37), wherein the lower end of the sliding plate (28) is provided with a sliding groove, the power plate (34) is arranged in the sliding groove in a sliding fit mode, the lower end of the power plate (34) is provided with a rotary threaded groove, the upper end of the power plate (34) is provided with a power groove, the clamping plates (31) are symmetrically arranged at the front and back of the lower end of the sliding plate (28), the rotary threaded rod (33) penetrates through the clamping plate (31) at the rear end of the sliding plate (28) and is arranged in the rotary threaded groove in a threaded engagement mode, the front end of the rotary threaded rod (33) is arranged on the inner wall of the clamping plate (31) at the front end of the sliding plate (28) through a bearing, the square plate (32, a flat groove is formed in the outer wall of the front end of the square plate (32), a positioning plate (37) is installed on the outer wall of the upper side of the front end of the square plate (32), a through groove is formed in the positioning plate (37), a jacking rod (36) is installed in the through groove in a sliding fit mode, the jacking rod (36) is installed in the flat groove in a sliding fit mode, a resisting plate (35) is installed at the upper end of the jacking rod (36), the resisting plate (35) is installed in the power groove in a sliding fit mode, and a clamping mechanism (38) is installed at the lower end of the square plate (32);
fixture (38) including centre gripping gear (381), rotatory round bar (382), location round bar (383), square bar (384), grip block (385), arc (386) and insulating rubber board (387), square plate (32) downside install centre gripping gear (381) through round pin axle bilateral symmetry, install rotatory round bar (382) on grip gear (381), lie in grip gear (381) downside on square plate (32) and install location round bar (383) through the bearing, mutual parallel mounting has square bar (384) on rotatory round bar (382) and location round bar (383), set up flutedly on grip block (385), square bar (384) outer end is installed respectively between the recess inner wall through the round pin axle, arc (386) are installed to grip block (385) lower extreme, install insulating rubber board (387) on arc (386) the inner wall.
2. The power transmission overhead line cable spacer of claim 1, wherein: the outer wall of the sector plate (27) is uniformly provided with gear grooves along the circumferential direction, and the gear grooves on the sector plate (27) are meshed with each other for use.
3. The power transmission overhead line cable spacer of claim 1, wherein: the outer walls of the left end and the right end of the lower part of the jacking rod (36) are provided with tooth-shaped grooves, and the tooth-shaped grooves and the clamping gear (381) are meshed with each other for use.
4. The power transmission overhead line cable spacer of claim 1, wherein: the arc-shaped plate (386) on the clamping plate (385) installed through the square rod (384) on the positioning round rod (383) at the left end of the square plate (32) is uniformly provided with a convex-in block, the arc-shaped plate (386) on the clamping plate (385) installed through the square rod (384) on the positioning round rod (383) at the right end of the square plate (32) is uniformly provided with a concave groove, and the convex-in block and the concave groove are mutually matched for use.
5. The power transmission overhead line cable spacer of claim 1, wherein: the lower end of the power plate (34) is an inclined surface, and the power groove on the power plate (34) is an inclined groove.
6. The power transmission overhead line cable spacer of claim 1, wherein: the upper end of the abutting plate (35) is an inclined surface, and the inclined surface and one end of the power groove are matched with the power groove on the power plate (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743929.9A CN111864679B (en) | 2020-07-29 | 2020-07-29 | Electric power transmission overhead line cable isolating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743929.9A CN111864679B (en) | 2020-07-29 | 2020-07-29 | Electric power transmission overhead line cable isolating rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111864679A true CN111864679A (en) | 2020-10-30 |
| CN111864679B CN111864679B (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010743929.9A Active CN111864679B (en) | 2020-07-29 | 2020-07-29 | Electric power transmission overhead line cable isolating rod |
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| Country | Link |
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| CN (1) | CN111864679B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972590A (en) * | 2021-10-22 | 2022-01-25 | 国网安徽省电力有限公司经济技术研究院 | Construction cable erection method for power transmission and transformation project |
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| KR20200053364A (en) * | 2018-11-08 | 2020-05-18 | 남도전기공업 (주) | Spacer damper with adjustable vibration absorbing |
| CN111224363A (en) * | 2018-11-27 | 2020-06-02 | 扬州国电通用电力机具制造有限公司 | Electric power overhead line link fitting |
| CN111300183A (en) * | 2020-02-21 | 2020-06-19 | 潘雪军 | Fine processing device for boiler accessory fire grate segment after molding |
| CN211063207U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Insulating sheath mounting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201230167Y (en) * | 2008-06-23 | 2009-04-29 | 福建省福州电业局 | Insulation bidirectional stay |
| CN203967645U (en) * | 2014-07-21 | 2014-11-26 | 国家电网公司 | Parallel groove clamp loading and unloading device |
| CN106611943A (en) * | 2015-10-22 | 2017-05-03 | 江苏捷凯电力器材有限公司 | Novel spring distance-adjusting wire clamp for ultrahigh-voltage overhead transmission lines |
| CN207010180U (en) * | 2017-06-06 | 2018-02-13 | 贵州电网有限责任公司 | A kind of 220kV power line leads separator |
| CN208508475U (en) * | 2018-07-03 | 2019-02-15 | 云南电网有限责任公司昆明供电局 | Double circuits on same tower line conductor support frame |
| KR20200053364A (en) * | 2018-11-08 | 2020-05-18 | 남도전기공업 (주) | Spacer damper with adjustable vibration absorbing |
| CN111224363A (en) * | 2018-11-27 | 2020-06-02 | 扬州国电通用电力机具制造有限公司 | Electric power overhead line link fitting |
| CN211063207U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Insulating sheath mounting tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113972590A (en) * | 2021-10-22 | 2022-01-25 | 国网安徽省电力有限公司经济技术研究院 | Construction cable erection method for power transmission and transformation project |
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| CN111864679B (en) | 2021-04-30 |
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Effective date of registration: 20210329 Address after: 212000 line 3 and line 2, Sanmao street, Yangzhong City, Zhenjiang City, Jiangsu Province (within Yongxing group) Applicant after: JIANGSU YONGXING ELECTRIC ENERGY EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 312000 Jiaogong Road, Ru'ao Town, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Pan Chunyan |
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