CN111952915A - Cable insulation support device convenient to transformer overhauls - Google Patents
Cable insulation support device convenient to transformer overhauls Download PDFInfo
- Publication number
- CN111952915A CN111952915A CN202010797555.9A CN202010797555A CN111952915A CN 111952915 A CN111952915 A CN 111952915A CN 202010797555 A CN202010797555 A CN 202010797555A CN 111952915 A CN111952915 A CN 111952915A
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- sliding
- cable
- frame
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- insulation
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- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
-
- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
-
- 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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- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The invention discloses a cable insulation supporting device convenient for transformer maintenance, which comprises a supporting frame, a sliding carrying platform and a sliding frame, wherein the sliding frame is arranged on two sides of the bottom of the supporting frame in a sliding manner along the direction vertical to the axial direction of a cable, first sliding grooves facing the openings of the sliding frame are arranged on two sides of the bottom of the supporting frame along the direction vertical to the axial direction of the cable, and second sliding grooves communicated with the first sliding grooves are arranged on two sides of the bottom of the sliding frame along the direction vertical to the axial direction of the cable; a sliding carrying platform is arranged between the first sliding chute and the second sliding chute in a sliding manner; the top of the sliding carrier is provided with a plurality of cable insulation fixing cylinders in an arrangement mode along the direction perpendicular to the axial direction of the cable, and the bottom of the sliding carrier is provided with a sliding driving device for driving the sliding carrier to slide; the top of the support frame is linearly and rotatably provided with a plurality of compression rollers for limiting the cable insulation fixing cylinder along the direction vertical to the axial direction of the cable; the invention has the beneficial effects of separating cables, avoiding cable winding and conveniently and quickly overhauling the cables.
Description
Technical Field
The invention belongs to the technical field of cable erection and maintenance, and particularly relates to a cable insulation supporting device convenient for power transformation maintenance.
Background
At present, the power transmission is mainly realized by adopting a cable mode. Power transmission lines typically employ wire racks and a plurality of cables laid between the wire racks. In order to transmit electric power in a long distance and guarantee personal safety of people, the electric wire frame is generally installed in a high place, a plurality of cables are laid at a high altitude to be away from people, and the phenomenon that the high-voltage line injures the human body or damages the cables to cause interruption of electric power transmission is avoided.
The cables are laid at high altitude, often span mountain stream, ditches and valleys, are high in height and long in laying length, and are prone to shaking under the influence of windy weather, and when the shaking is serious, the adjacent cables cannot keep spacing or even contact with each other, so that electric power transmission is unstable, and production or domestic power utilization is affected.
At present, a plurality of cables arranged at high altitude are only provided with a fixed support at a position close to a wire rack to be separated, and a corresponding separation support is not yet arranged at a laying middle section which is easy to change or remove the distance, so that the plurality of cables are separated to keep the fixed distance. Simultaneously, when the cable needs to be overhauled, because the parcel of separating the support to the cable is kept apart for the cable is sheltered from, and then leads to overhaul work very inconvenient.
Therefore, the invention discloses a cable insulation supporting device convenient for transformer maintenance, aiming at the defects that the traditional cable supporting device cannot effectively separate cables and is inconvenient for cable maintenance.
Disclosure of Invention
The invention aims to provide a cable insulation supporting device convenient for transformer maintenance, which can effectively separate a plurality of cables, avoid cable winding, and enable a supporting frame not to shield the cables when the cables need to be maintained, so that the maintenance work of the cables is more convenient.
The invention is realized by the following technical scheme:
a cable insulation supporting device convenient for transformer maintenance comprises a supporting frame, a sliding carrying platform and sliding frames, wherein the sliding frames are arranged on two sides of the bottom of the supporting frame in a sliding mode along the direction perpendicular to the axial direction of a cable, first sliding grooves facing the openings of the sliding frames are arranged on two sides of the bottom of the supporting frame along the direction perpendicular to the axial direction of the cable, and second sliding grooves communicated with the first sliding grooves are arranged on two sides of the bottom of the sliding frame along the direction perpendicular to the axial direction of the cable; a sliding carrying platform is arranged between the first sliding chute and the second sliding chute in a sliding manner; the top of the sliding carrying platform is provided with a plurality of cable insulation fixing cylinders in an arrangement mode along the direction perpendicular to the axial direction of the cable, and the bottom of the sliding carrying platform is provided with a sliding driving device for driving the sliding carrying platform to slide; the top of the support frame is linearly and rotatably provided with a plurality of compression rollers for limiting the cable insulation fixing cylinder along the direction vertical to the axial direction of the cable.
The sliding carrying platform is located inside the support frame at ordinary times, the sliding frame is also in a retraction state at this moment, the second sliding groove in the sliding frame and the first sliding groove in the support frame are in an alignment coincidence state, a channel for the cable to penetrate through and limit the fixed cable is arranged on the cable insulation fixing barrel at the top of the sliding carrying platform, the cable is located inside the support frame along with the sliding carrying platform, and the cable is supported by the cable insulation fixing barrel and protected by the mounting frame.
When the cable needs to be overhauled, firstly, the sliding frame is slid and extended to the outer side of the supporting frame towards the direction far away from the supporting frame, so that the second sliding groove slides to the state communicated with the opening end of the first sliding groove from the state of being aligned and overlapped with the first sliding groove, then the sliding carrier is driven by the sliding driving device to slide to the second sliding groove along the first sliding groove, namely the sliding carrier slides to the outer side of the supporting frame from the inside of the supporting frame, at the moment, the cable is not shielded by the supporting frame any more, and the cable can be conveniently overhauled; in the sliding process of the sliding carrying platform, the outer edge of the pressing roller is in rolling contact with the top of the cable insulation fixing cylinder, and the cable insulation fixing cylinder is limited in the vertical direction.
In order to better realize the invention, the cable insulation fixing cylinder further comprises a first insulation fixing half cylinder, a second insulation fixing half cylinder and an elastic connection buckle, wherein a semi-cylindrical through groove is correspondingly arranged at the top of the first insulation fixing half cylinder and the bottom of the second insulation fixing half cylinder to form a channel for the cable to pass through, a plurality of connecting ports are correspondingly arranged at two sides of the first insulation fixing half cylinder and two sides of the second insulation fixing half cylinder, and the elastic connection buckle is inserted in the connecting ports.
In order to better implement the invention, further, the first insulating fixed half cylinder and the second insulating fixed half cylinder are both prepared from insulating ceramic materials.
In order to better implement the invention, the sliding driving device further comprises a driving rack, a driving gear and a driving motor, the driving rack is arranged at the bottom of the sliding carrying platform, the driving motor is arranged at the bottom of the supporting frame, and the driving gear meshed with the driving rack is sleeved at the output end of the driving motor.
In order to better realize the invention, driving racks are symmetrically arranged on two sides of the bottom of the sliding carrying platform.
In order to better implement the invention, further, two sides of the bottom of the support frame are provided with mounting sliding grooves in a direction perpendicular to the axial direction of the cable, and sliding frames are arranged in the mounting sliding grooves in a sliding manner.
In order to better implement the invention, further, a jacking fixing device for jacking and fixing the sliding frame penetrates through the side wall of the opening end of the mounting chute.
In order to better implement the present invention, sliding columns sliding between the first sliding chute and the second sliding chute are further disposed on two sides of the sliding carrier.
In order to better realize the invention, a plurality of connecting lifting lugs are further arranged at the top of the support frame.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) according to the invention, the sliding frames arranged at two sides of the bottom of the support frame are slid, so that the second sliding grooves on the sliding frames are interacted to a mutually communicated state from a mutually aligned and superposed state with the first sliding on the support frame, and the sliding carrier platform is driven by the sliding driving device to slide from the first sliding grooves to the inside of the second sliding grooves, so that the sliding carrier platform slides from the inside of the support frame to the outside of the support frame, the cable at the top of the sliding carrier platform is not shielded by the support frame any more, and the installation and maintenance of the cable are more convenient and faster;
(2) according to the invention, the plurality of mutually independent cable insulation fixing cylinders are arranged at the top of the sliding carrier, and the cables are limited and fixed by the cable insulation fixing cylinders, so that the cables are effectively prevented from being wound;
(3) the cable insulation fixing cylinder is made of the insulation ceramic material, so that electric shock is effectively avoided when workers overhaul cables, and safety of the workers is effectively protected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a cable insulation fixing barrel;
FIG. 3 is a schematic structural view of the slide driving device;
fig. 4 is a schematic view of the cable inside the support frame.
Wherein: 1-a support frame; 2-sliding carrier; 3-sliding rack; 4-cable insulation fixing cylinder; 5-a slide drive; 6, pressing rollers; 7-tightly pushing the fixing device; 8, installing a sliding chute; 01-a first chute; 02-a second chute; 41-a first insulating fixed half cylinder; 42-a second insulating fixed half cylinder; 43-elastic connection buckle; 51-a drive rack; 52-a drive gear; 53-driving the gears.
Detailed Description
Example 1:
as shown in fig. 1 and 4, the cable insulation supporting device convenient for power transformation maintenance of the embodiment includes a supporting frame 1, a sliding carrying platform 2, and a sliding frame 3, wherein the sliding frame 3 is slidably arranged on two sides of the bottom of the supporting frame 1 along a direction perpendicular to the axial direction of a cable, a first sliding groove 01 opening toward the sliding frame 3 is arranged on two sides of the bottom of the supporting frame 1 along the direction perpendicular to the axial direction of the cable, and a second sliding groove 02 communicated with the first sliding groove 01 is arranged on two sides of the bottom of the sliding frame 3 along the direction perpendicular to the axial direction of the cable; a sliding carrying platform 2 is arranged between the first sliding chute 01 and the second sliding chute 02 in a sliding manner; a plurality of cable insulation fixing cylinders 4 are arranged at the top of the sliding carrier 2 along the direction vertical to the axial direction of the cable, and a sliding driving device 5 for driving the sliding carrier 2 to slide is arranged at the bottom of the sliding carrier 2; the top of the support frame 1 is linearly and rotatably provided with a plurality of compression rollers 6 for limiting the cable insulation fixing cylinder 4 along the direction vertical to the axial direction of the cable.
The second sliding chute 02 on the sliding frame 3 is opened towards the support frame 1, the first sliding chute 01 on the support frame 1 is opened towards the sliding frame 3, when a fixed cable needs to be installed, the sliding frame 3 firstly slides and extends out of the support frame 1 along the direction away from the support frame 1, so that the sliding frame 3 slides to the outer side of the support frame 1, at the moment, the second sliding chute 02 slides to the state communicated with the open end of the first sliding chute 01 from the state of being aligned and overlapped with the first sliding chute 01, at the moment, the sliding carrying platform 2 can slide to the second sliding chute 02 along the first sliding chute 01 under the driving of the sliding driving device 5, namely, the second sliding chute 02 slides to the outer side of the support frame 1 from the inside of the support frame 1, then, the cable insulation fixing cylinder 4 can be opened, the cable is inserted into a channel on the cable insulation.
After the cable is fixed, can drive slip microscope carrier 2 through slide drive arrangement 5 and slide to first spout 01 inside from second spout 02, make slip microscope carrier 2 slide to the inside of support frame 1 again from the outside of support frame 1, then slide carriage 3 orientation and withdraw close to the direction of support frame 1 again, make second spout 02 align the coincidence with first spout 01, slip microscope carrier 2 is located the inside of support frame 1 this moment, make the cable receive the protection of support frame 1 and the support of cable insulation fixing cylinder 4.
When the cable needs to be overhauled, the sliding carrying platform 2 can be prevented from being shielded by the supporting frame 1 only by sliding out the sliding carrying platform from the inside of the supporting frame 1 according to the steps, and then the cable is conveniently overhauled.
Example 2:
the present embodiment is further optimized on the basis of embodiment 1, as shown in fig. 2, the cable insulating fixing cylinder 4 includes a first insulating fixing half cylinder 41, a second insulating fixing half cylinder 42, and an elastic connection buckle 43, a semi-cylindrical through groove is correspondingly provided at the top of the first insulating fixing half cylinder 41 and the bottom of the second insulating fixing half cylinder 42 to form a channel for a cable to pass through, a plurality of connection ports are correspondingly provided at two sides of the first insulating fixing half cylinder 41 and two sides of the second insulating fixing half cylinder 42, and the elastic connection buckle 43 is inserted into the connection ports.
The top of the first insulating fixing half cylinder 41 is provided with an upper semi-cylindrical channel with an upward opening along the direction parallel to the axis of the cable, the bottom of the second insulating fixing half cylinder 42 is provided with a lower semi-cylindrical channel with a downward opening along the direction parallel to the axis of the cable, and after the top of the first insulating fixing half cylinder 41 and the bottom of the second insulating fixing half cylinder 42 are buckled, the upper semi-cylindrical channel and the lower semi-cylindrical channel form a cylindrical channel which is used for the cable to pass through and limit and fix the cable.
Meanwhile, three connecting ports are linearly arranged on two sides of the top of the first insulating fixing half cylinder 41 along a direction parallel to the axis of the cable, and connecting ports are also arranged on two sides of the bottom of the second insulating fixing half cylinder 42 corresponding to the connecting ports on two sides of the top of the first insulating fixing half cylinder 41. After the connectors on the two sides of the top of the first insulating fixing half cylinder 41 are aligned with the connectors on the two sides of the bottom of the second insulating fixing half cylinder 42, the elastic connecting buckle 43 can be inserted into the aligned connectors, and the two corresponding connectors are clamped by the elastic connecting buckle 43, so that the first insulating fixing half cylinder 41 and the second insulating fixing half cylinder 42 can be conveniently connected.
Further, the top of elastic connection buckle 43 is fixed partially, and the top terminal surface laminating that the bottom of fixed partially both sides corresponds the fixed half 42 both sides of second insulation is provided with fixed terminal surface, and fixed partially both ends are provided with the shell fragment downwards, and the bottom terminal surface laminating that the bottom of shell fragment corresponds the fixed half 41 both sides of first insulation is provided with the elastic fixation terminal surface. Through the shell fragment at extrusion stationary blade both ends for the shell fragment at both ends is the shrink inwards, can insert two connectors that correspond with the shell fragment, and the elasticity fixing terminal surface up to the shell fragment bottom extends to the bottom terminal surface of the fixed half 41 both sides of first insulation and laminates with it, loosens the shell fragment this moment, and the shell fragment kick-backs and with the connector chucking, realizes the convenient connection of the fixed half 41 of a cylinder of first insulation and the fixed half 42 of second insulation.
The first insulating fixed half cylinder 41 and the second insulating fixed half cylinder 42 are both made of insulating ceramic materials, and therefore electric shock of workers in the process of cable maintenance is effectively prevented.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is further optimized based on the above embodiment 1 or 2, as shown in fig. 3, the slide driving device 5 includes a driving rack 51, a driving gear 52, and a driving motor 53, the driving rack 51 is disposed at the bottom of the slide stage 2, the driving motor 53 is disposed at the bottom of the supporting frame 1, and the output end of the driving motor 53 is sleeved with the driving gear 52 engaged with the driving rack 51.
The bottom of the sliding carrier 2 is provided with a driving rack 51 through a screw in the direction perpendicular to the axis of the cable, the bottom of the support frame 1 is fixedly provided with a driving motor 53 through a bolt, and the driving motor 53 drives the driving gear 52 to rotate, so as to drive the driving rack 51 and the sliding carrier 2 to slide linearly.
The two sides of the bottom of the sliding frame 3 are symmetrically provided with driving racks 51, the two sides of the bottom of the support frame 1 are respectively provided with driving motors 53 corresponding to the driving racks 51 on the two sides, the two driving motors 53 synchronously drive the driving gear 52 sleeved on the motor output shaft to rotate, and then the driving racks 51 on the two sides are synchronously driven to linearly move, so that the sliding of the sliding carrier 2 is more stable.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the present embodiment is further optimized based on any one of the above embodiments 1 to 3, as shown in fig. 1 and 4, the two sides of the bottom of the support frame 1 are provided with mounting sliding grooves 8 along a direction perpendicular to the axial direction of the cable, and the sliding frame 3 is slidably disposed in the mounting sliding grooves 8.
The mounting chute 8 is located outside the first chute 01, and one end of the mounting chute 8 close to the sliding frame 3 is open, and the end far away from the sliding frame 3 is closed, and the width of the mounting chute 8 is equal to the width of the sliding frame 3.
The opening inboard of installation spout 8 is provided with bellied stopper, and the stopper is used for spacing carriage 3, avoids carriage 3 to deviate from in the installation spout 8.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 5:
this embodiment is further optimized based on any of the above embodiments 1-4, and as shown in fig. 4, a tightening and fixing device 7 for tightening and fixing the sliding rack 3 is penetratingly disposed on the side wall of the opening end of the installation chute 8.
The tight fixing device 7 in top is the tight bolt in top, after the carriage 3 targets in place along the 8 roll-offs of installation spout, can rotate the tight bolt in top for the threaded end of tight bolt in top is tight with the lateral wall top of carriage 3, and then realizes fixing the location of carriage 3.
Other parts of this embodiment are the same as any of embodiments 1 to 4, and thus are not described again.
Example 6:
this embodiment is further optimized based on any one of embodiments 1 to 5, and sliding columns that slide between the first chute 01 and the second chute 02 are provided on both sides of the sliding stage 2.
The sliding column penetrates through the first sliding groove 01 and extends into the second sliding groove 02, the sliding column can slide along the first sliding groove 01 and the second sliding groove 02, and the diameter of the first sliding groove 01 is equal to that of the second sliding groove 02.
Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.
Example 7:
the present embodiment is further optimized on the basis of any one of the embodiments 1 to 6, and the top of the support frame 1 is provided with a plurality of connecting lifting lugs.
Connecting lugs are used for being connected with connecting structures such as connecting suspension cables or connecting pins on the electric pole and the electric tower, and then the support frame 1 is conveniently fixed on the electric pole or the electric tower and the like.
Other parts of this embodiment are the same as any of embodiments 1 to 6, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. The cable insulation supporting device convenient for power transformation maintenance comprises a supporting frame (1), a sliding carrying platform (2) and a sliding frame (3), and is characterized in that the sliding frame (3) is arranged on two sides of the bottom of the supporting frame (1) in a sliding mode along the direction perpendicular to the axial direction of a cable, a first sliding groove (01) which is open towards the sliding frame (3) is formed in each of two sides of the bottom of the supporting frame (1) along the direction perpendicular to the axial direction of the cable, and a second sliding groove (02) communicated with the first sliding groove (01) is formed in each of two sides of the bottom of the sliding frame (3) along the direction perpendicular to the axial direction; a sliding carrying platform (2) is arranged between the first sliding chute (01) and the second sliding chute (02) in a sliding manner; a plurality of cable insulation fixing cylinders (4) are arranged at the top of the sliding carrier (2) along the direction vertical to the axial direction of the cable, and a sliding driving device (5) for driving the sliding carrier (2) to slide is arranged at the bottom of the sliding carrier (2); the top of the support frame (1) is provided with a plurality of compression rollers (6) which limit the cable insulation fixing cylinder (4) in a linear rotation mode along the direction perpendicular to the axial direction of the cable.
2. The cable insulation supporting device convenient for substation maintenance as claimed in claim 1, wherein the cable insulation fixing cylinder (4) comprises a first insulation fixing half cylinder (41), a second insulation fixing half cylinder (42), and an elastic connection buckle (43), wherein a semi-cylindrical through groove is formed in the top of the first insulation fixing half cylinder (41) and the bottom of the second insulation fixing half cylinder (42) correspondingly to form a channel for a cable to pass through, a plurality of connection ports are formed in two sides of the first insulation fixing half cylinder (41) and two sides of the second insulation fixing half cylinder (42) correspondingly to form a channel for the cable to pass through, and the elastic connection buckle (43) is inserted into the connection ports.
3. The cable insulation support device convenient for transformer maintenance as claimed in claim 2, wherein the first insulation fixing half cylinder (41) and the second insulation fixing half cylinder (42) are both made of insulation ceramic materials.
4. The cable insulation supporting device convenient for substation maintenance according to any one of claims 1-3, wherein the sliding driving device (5) comprises a driving rack (51), a driving gear (52) and a driving motor (53), the driving rack (51) is arranged at the bottom of the sliding carrying platform (2), the driving motor (53) is arranged at the bottom of the supporting frame (1), and the driving gear (52) meshed with the driving rack (51) is sleeved at the output end of the driving motor (53).
5. The cable insulation supporting device convenient for substation maintenance as claimed in claim 4, wherein the two sides of the bottom of the sliding carrying platform (2) are symmetrically provided with driving racks (51).
6. A cable insulation support device for facilitating power transformation maintenance according to any one of claims 1-3, wherein the bottom of the support frame (1) is provided with mounting chutes (8) on both sides along a direction perpendicular to the axial direction of the cable, and the sliding frame (3) is slidably arranged in the mounting chutes (8).
7. The cable insulation support device convenient for transformer maintenance as claimed in claim 6, wherein a jacking fixing device (7) for jacking and fixing the sliding frame (3) penetrates through the side wall of the opening end of the mounting chute (8).
8. The cable insulation supporting device convenient for power transformation maintenance as claimed in claim 1, wherein sliding columns sliding between the first sliding groove (01) and the second sliding groove (02) are arranged on two sides of the sliding carrying platform (2).
9. The cable insulation supporting device convenient for power transformation maintenance as claimed in claim 1, wherein the top of the supporting frame (1) is provided with a plurality of connecting lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797555.9A CN111952915B (en) | 2020-08-10 | 2020-08-10 | Cable insulation support device convenient to transformer overhauls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010797555.9A CN111952915B (en) | 2020-08-10 | 2020-08-10 | Cable insulation support device convenient to transformer overhauls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111952915A true CN111952915A (en) | 2020-11-17 |
| CN111952915B CN111952915B (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010797555.9A Active CN111952915B (en) | 2020-08-10 | 2020-08-10 | Cable insulation support device convenient to transformer overhauls |
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| Country | Link |
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| CN (1) | CN111952915B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709754A (en) * | 2022-04-11 | 2022-07-05 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Cable insulation support device convenient to transformer overhauls |
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| US6448503B1 (en) * | 1998-11-02 | 2002-09-10 | Tyco Electronics Logistics A.G. | Line space for power transmission lines |
| CN203585556U (en) * | 2013-09-29 | 2014-05-07 | 天津市公辰工贸有限公司 | Layered drawer type cable bridge |
| CN207868746U (en) * | 2018-03-16 | 2018-09-14 | 钟君婕 | A kind of adjustable communication engineering power supply for construction cable holder |
| CN209313343U (en) * | 2019-01-16 | 2019-08-27 | 吕鸿琪 | A kind of construction building cable bearer |
| CN210273365U (en) * | 2019-07-15 | 2020-04-07 | 江苏盈鼎电气有限公司 | Bidirectional telescopic cable bridge |
| CN211209239U (en) * | 2020-02-01 | 2020-08-07 | 郑婷婷 | Electric wire fixing device for power transmission and transformation circuit |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448503B1 (en) * | 1998-11-02 | 2002-09-10 | Tyco Electronics Logistics A.G. | Line space for power transmission lines |
| CN203585556U (en) * | 2013-09-29 | 2014-05-07 | 天津市公辰工贸有限公司 | Layered drawer type cable bridge |
| CN207868746U (en) * | 2018-03-16 | 2018-09-14 | 钟君婕 | A kind of adjustable communication engineering power supply for construction cable holder |
| CN209313343U (en) * | 2019-01-16 | 2019-08-27 | 吕鸿琪 | A kind of construction building cable bearer |
| CN210273365U (en) * | 2019-07-15 | 2020-04-07 | 江苏盈鼎电气有限公司 | Bidirectional telescopic cable bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709754A (en) * | 2022-04-11 | 2022-07-05 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Cable insulation support device convenient to transformer overhauls |
| CN114709754B (en) * | 2022-04-11 | 2023-10-10 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Cable insulation supporting device convenient for power transformation overhaul |
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| CN111952915B (en) | 2021-09-03 |
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