CN110768158A - Pin insulator replacement and installation auxiliary device - Google Patents
Pin insulator replacement and installation auxiliary device Download PDFInfo
- Publication number
- CN110768158A CN110768158A CN201911000646.9A CN201911000646A CN110768158A CN 110768158 A CN110768158 A CN 110768158A CN 201911000646 A CN201911000646 A CN 201911000646A CN 110768158 A CN110768158 A CN 110768158A
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- fixing
- cable
- lifting
- insulator
- lifting arm
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- 239000012212 insulator Substances 0.000 title claims abstract description 58
- 238000009434 installation Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 8
- 210000002221 olecranon process Anatomy 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/20—Pin insulators
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- Electric Cable Installation (AREA)
- Insulators (AREA)
Abstract
The invention discloses a needle insulator replacement and installation auxiliary device, which comprises a lifting mechanism, a fixing mechanism and an adjusting mechanism, wherein the lifting mechanism is arranged on the needle insulator; the fixing mechanism is arranged at the top of the lifting mechanism, and the adjusting mechanism is arranged at the bottom of the lifting mechanism; the adjusting mechanism is used for fixedly mounting the device on angle steel of power transmission lines of different specifications, and the lifting mechanism drives the fixing mechanism to take down the cable from the insulator; the lifting mechanism also comprises an upper lifting arm, a lower lifting arm, a screw rod, a rocking wheel and a fixed shaft; according to the invention, the lead screw is screwed, and the cable line at the cable bracket can be moved and fixed downwards through the movement of the upper lifting arm and the lower lifting arm, so that the problems of high labor intensity and high danger in traditional insulator replacement are solved, the purpose of saving construction rush-repair time is achieved, and the insulator replacement efficiency is effectively improved.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for maintaining electric power facilities, in particular to an auxiliary device for replacing and installing a pin insulator.
Background
When the pin insulator of the 10kv power transmission line is damaged and cannot ensure the insulation function to be in the normal range due to lightning breakdown, the pin insulator needs to be replaced in time to ensure the safe operation of line power supply, the pin insulator is used as main line equipment on the power transmission line, the using quantity and the using range cover vast cities and villages, and the replacing of the old pin insulator becomes one of the normal works of power line maintenance due to the huge using quantity of the pin insulator.
However, the existing insulator replacement mode is basically that construction maintenance personnel rely on limited working space on the pole, often remove insulator fixing bolts while holding the cable with bare hands, prevent the cable from falling from the pole, increase extra work difficulty, and constructor leads to long insulator replacement and installation working time due to taking into account removing the insulator and holding the cable simultaneously, and the efficiency of construction is very low, still has the problem of certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a needle insulator replacement and installation auxiliary device, which aims to solve the problems of long installation working time, very low construction efficiency and certain potential safety hazard existing in the existing insulator replacement in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a needle insulator replacement and installation auxiliary device comprises a lifting mechanism, a fixing mechanism and an adjusting mechanism; the fixing mechanism is arranged at the top of the lifting mechanism, and the adjusting mechanism is arranged at the bottom of the lifting mechanism; the adjusting mechanism is used for fixedly mounting the device on angle steel of power transmission lines of different specifications, and the lifting mechanism drives the fixing mechanism to take down the cable from the insulator.
Furthermore, the lifting mechanism also comprises an upper lifting arm, a lower lifting arm, a screw rod, a rocking wheel and a fixed shaft; go up between the lifing arm and the lower lifing arm and rotate through wearing to establish connecting block on the lead screw is connected, shake the fixed welding of wheel in lead screw one end, it is used for the drive to shake the wheel the lead screw rotates.
Furthermore, be provided with two the connecting block is connected respectively the lead screw both ends, lead screw one end is provided with the unthreaded section, the unthreaded section is worn to establish in the connecting block, and the connecting block inner wall that matches with the unthreaded section is smooth, and another connecting block inner wall is provided with the screw thread that matches with the lead screw.
Furthermore, two connecting blocks are arranged, a positive thread section and a negative thread section are arranged on the screw rod, the middle point of the screw rod is separated, and threads matched with the two thread sections are respectively arranged on the inner walls of the two connecting blocks.
Further, the method also comprises the following steps: the gears are respectively fixedly welded at one end of the bottom of the lower lifting arm, the gears arranged at the bottoms of the two lower lifting arms are mutually meshed, the fixed shaft penetrates through the gears and is inserted into the gears, and the gears are rotatably arranged at the top of the adjusting mechanism through the fixed shaft.
Further, the method also comprises the following steps: go up the fixing base, go up fixing base bottom both ends through the bolt respectively with two go up the lift arm and rotate and be connected, fixed establishment rotates and installs go up fixing base top center department.
Furthermore, the fixing mechanism also comprises a cable bracket, a metal snap ring, a buckle, a torsion spring and a rotating shaft; cable tray fixed mounting be in go up the fixing base top, pivot fixed mounting be in cable tray bottom center department, cable tray passes through the pivot with it rotates to connect to go up the fixing base, the metal snap ring equidistance is installed cable tray upper surface, the buckle is installed metal snap ring bottom one side, the buckle with pass through between the metal snap ring torque spring rotates and connects.
Furthermore, the adjusting mechanism also comprises a first olecranon-shaped fastener, a second olecranon-shaped fastener, a fixing plate and a fastening bolt; the fixing plate is arranged at the bottom of the lower lifting arm, one end of the bottom of the lower lifting arm is rotatably connected with the fixing plate through the fixing shaft, the first olecranon-shaped fastener is welded at one end of the lower surface of the fixing plate, the second olecranon-shaped fastener is inserted at the other end of the lower surface of the fixing plate, and the second olecranon-shaped fastener is fixedly installed on the fixing plate through the fastening bolt.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the lifting mechanism is arranged, the lead screw is screwed, and the cable can be jacked up or put down by the lifting mechanism through the movement of the upper lifting arm and the lower lifting arm, and the cable is fixed by the fixing mechanism, so that the problems of high dynamic strength and high danger of maintainers in the traditional insulator replacement process are solved, the purpose of saving construction rush-repair time is achieved, and the insulator replacement efficiency is effectively improved.
Through being provided with fixed establishment, through metal snap ring, buckle and torsion spring's cooperation, can ensure that cable run is fixed at certain construction position to the cooperation pivot carries out 360 degrees rotations to cable tray, can be to the fixed and the resetting of cable, and the device is used conveniently.
Through being provided with adjustment mechanism, through designing two mutual orthogonal first olecranon type fasteners and second olecranon type fasteners, the second olecranon type fastener can do certain length variable and adjust fixedly, is convenient for connect auxiliary device at the angle steel of different shapes fixedly, realizes that pin insulator changes the general practicality and the agility of installation auxiliary device installation on the pole.
Drawings
Fig. 1 is a schematic view of the overall structure of a replacement and installation auxiliary device for a pin insulator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a lifting mechanism for a pin insulator replacement installation assistance device in the embodiment of fig. 1;
fig. 3 is a schematic structural view of a fixing mechanism for a pin insulator replacement installation auxiliary device in the embodiment of fig. 1;
fig. 4 is a schematic view of an adjustment mechanism for a pin insulator replacement installation aid in the embodiment of fig. 1.
Reference numerals: 1-a lifting mechanism; 101-an upper and lower arm; 102-a lower lifting arm; 103-a screw rod; 104-rocking wheel; 105-a gear; 106-fixed shaft; 2-an upper fixed seat; 3-a fixing mechanism; 301-a cable tray; 302-metal snap ring; 303-buckling; 304-a torsion spring; 305-a rotating shaft; 4-an adjustment mechanism; 401-a first olecranon-type fastener; 402-a second olecranon-type fastener; 403-fixing plate; 404-fastening bolts.
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. 1-4 together, fig. 1 is a schematic structural diagram of an auxiliary device for replacing and installing pin insulators according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of a lifting mechanism for an auxiliary device for replacing and installing pin insulators according to an embodiment of fig. 1, wherein the auxiliary device for replacing and installing pin insulators includes a lifting mechanism 1, an upper fixing base 2, a fixing mechanism 3 and an adjusting mechanism 4, wherein the lifting mechanism 1 further includes an upper lifting arm 101, a lower lifting arm 102, a lead screw 103, a rocking wheel 104, a gear 105 and a fixing shaft 106, the fixing mechanism 3 further includes a cable bracket 301, a metal snap ring 302, a buckle 303, a torsion spring 304 and a rotating shaft 305, and the adjusting mechanism 4 further includes a first olecranon fastener 401, a second olecranon fastener 402, a fixing plate 403 and a fastening bolt 404;
furthermore, the fixing mechanism 3 is arranged at the top of the lifting mechanism 1, so that the fixing mechanism 3 can be conveniently used for fixing a cable, meanwhile, the lifting mechanism 1 is used for jacking or putting down the fixing mechanism 3 fixed with the cable, so that a maintenance worker can conveniently take the cable fixed on the insulator off the insulator, and the insulator can be quickly replaced and maintained, the adjusting mechanism 4 is arranged at the bottom of the lifting mechanism 1, so that the lifting mechanism 1 can be conveniently and fixedly arranged on angle steel at the top of a telegraph pole by using the adjusting mechanism 4, and the device can be arranged on different angle steel through the adjusting function of the adjusting mechanism 4 due to different types of the angle steel at the top of different telegraph poles, so that the application range is wider;
the lifting mechanism 1 can drive the fixing mechanism 3 to move up and down in the vertical direction, the lifting and jacking are divided when the insulator is used for fixing the cable, when the insulator of the jacking cable needs to be replaced, the lifting mechanism 1 needs to be installed above the angle steel, the lifting mechanism 1 is used for jacking the cable at the top of the insulator and then replacing the insulator, when the insulator of the lifting cable needs to be replaced, the lifting mechanism needs to be installed below the angle steel, the cable is hooked by the fixing mechanism 3 installed on the lifting mechanism 1, and meanwhile, the lifting mechanism 1 is used for placing the cable down and then replacing the insulator;
the fixing mechanism 3 can fix and reset the cable for 360 degrees, and the fixing mechanism 3 is connected with the upper fixing seat 2 through the rotating shaft 305, so that the fixing mechanism 3 can rotate between the rotating shaft 305 and the upper fixing seat 2, and a maintenance worker can conveniently rotate the cable to one side through the rotating fixing mechanism 3 after fixing the cable by using the fixing mechanism 3, so that the maintenance worker can replace the insulator more conveniently and quickly;
furthermore, two connecting blocks are arranged and are respectively connected to two ends of the screw rod 103, a thread-free section is arranged at one end of the screw rod 103, the thread-free section penetrates through the connecting blocks, the inner wall of the connecting block matched with the thread-free section is smooth, a thread matched with the screw rod 103 is arranged on the inner wall of the other connecting block, when the rocking wheel 104 is rotated, the thread-free section on the screw rod 103 freely rotates in one connecting block, the other connecting block is matched with the thread section of the screw rod 103, the distance between the two connecting blocks is changed, and the fixing mechanism 3 is driven to move up;
further, the upper lifting arm 101 and the lower lifting arm 102 are connected through a connecting block penetrating through the screw rod 103, when the connection is performed, two connecting blocks are installed on the outer portion of the screw rod 103 in a threaded manner, wherein the screw rod 103 is divided into two sections with equal length, and the thread directions of the outer portions of the two sections of the screw rod 103 are different, so that when the screw rod 103 is rotated in one direction, the connecting blocks can move inwards or outwards simultaneously, the upper lifting arm 101 and the lower lifting arm 102 can move inwards or outwards simultaneously when the connecting blocks move, the parallelogram transverse stretching or longitudinal stretching after the upper lifting arm 101 and the lower lifting arm 102 are combined is realized, the upper fixing seat 2 at the top of the connecting blocks is further jacked up or dropped down, the gears 105 are installed at the bottom ends of the upper lifting arm 101 and the lower lifting arm 102, and the two lower lifting arms 102 can rotate at the same angle simultaneously by utilizing the meshing relationship between the gears 105, the stability of the upper lifting arm 101 and the lower lifting arm 102 in the movement process is further ensured, the rocking wheel 104 is arranged at the top end of the screw rod 103, a user can conveniently drive the screw rod 103 to rotate through the rocking wheel 104, and the screw rod 103 is driven to be more labor-saving;
even when the insulator dismounting device is used, the lead screw 103 is rotated through the rocking wheel 104, according to the principle that the length changes of two diagonal lines of a rectangle are mutually in negative correlation, the cable at the fixing mechanism 3 is downwards contracted or upwards jacked up through the meshing rotation of the gear 105 between the upper lifting arm 101 and the lower lifting arm 102, and therefore an operator can conveniently dismount the insulator.
The top end of the upper fixed seat 2 is provided with a cable bracket 301, the top end of the cable bracket 301 is provided with metal snap rings 302 at equal intervals, one side part of the bottom end of each metal snap ring 302 is provided with a buckle 303, each buckle 303 is fixedly connected with the upper fixed seat 2 through a torsion spring 304, and the cable bracket 301 is rotatably connected with the upper fixed seat 2 through a rotating shaft 305;
wherein, the cooperation through metal snap ring 302, buckle 303 and torsion spring 304 of cable tray 301 department is installed fixedly to the cable, can ensure that the cable is fixed at certain construction position to carry out 360 degrees rotations through pivot 305 to cable tray 301, make things convenient for the fixed of cable and reset.
A first olecranon-shaped fastener 401 is welded on one edge of the bottom end of the fixing plate 403, a second olecranon-shaped fastener 402 is installed on the other edge of the bottom end of the fixing plate 403 in a penetrating manner, and the second olecranon-shaped fastener 402 is fixedly connected with the fixing plate 403 through a fastening bolt 404;
wherein, length adjustment changes about doing at fixed plate 403 one side through second olecranon type fastener 403 to the angle steel in the transmission line can be fixed fast to cooperation first olecranon type fastener 401, has realized the general practicality and the convenience of installation auxiliary device installation on the pole.
In summary, in the auxiliary device for replacing and installing the pin insulator provided by the invention, during operation, firstly, the auxiliary device for installing the pin insulator is installed on the cable rod through the adjusting mechanism 4, and by designing the first olecranon-shaped fastener 401 and the second olecranon-shaped fastener 402 which are mutually right-angled, the second olecranon-shaped fastener 402 is adjusted by a certain length variable and is fixed by the fastening bolt 404, so that the auxiliary device can be conveniently connected and fixed on angle steels with different shapes, and the universal practicability and the rapidity of installation of the auxiliary device for replacing and installing the pin insulator on the rod are realized;
then, the cable line is fixed through the fixing mechanism 3, and is fixed in the metal snap ring 302 at the top end of the cable bracket 301 through the action of the torsion spring 304 on the snap 303, so that the cable line can be fixed at a certain construction point, the cable bracket 301 is rotated for 360 degrees by matching with the rotating shaft 305, the cable can be fixed and reset, and the device is convenient to use;
finally, the lead screw 103 is screwed through the rocking wheel 104, the lead screw 103 drives the upper lifting arm 101 and the lower lifting arm 102 to be meshed with the gear 105 at the bottom end to rotate, and the cable line at the cable bracket 301 can be moved and fixed downwards, so that the problem that the traditional insulator replacement is realized is solved, construction and maintenance personnel need to detach the insulator fixing bolt and grasp the cable by hands while grasping the cable, the labor intensity is high, the danger is high, the construction rush-repair time is saved, and the insulator replacement efficiency is effectively improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A needle insulator replacement and installation auxiliary device is characterized by comprising a lifting mechanism, a fixing mechanism and an adjusting mechanism;
the fixing mechanism is arranged at the top of the lifting mechanism, and the adjusting mechanism is arranged at the bottom of the lifting mechanism;
the adjusting mechanism is used for fixedly mounting the device on angle steel of power transmission lines of different specifications, and the lifting mechanism drives the fixing mechanism to take down the cable from the insulator.
2. A replacement installation aid for a pin insulator according to claim 1, wherein:
the lifting mechanism also comprises an upper lifting arm, a lower lifting arm, a screw rod, a rocking wheel and a fixed shaft; go up between the lifing arm and the lower lifing arm and rotate through wearing to establish connecting block on the lead screw is connected, shake the fixed welding of wheel in lead screw one end, it is used for the drive to shake the wheel the lead screw rotates.
3. A replacement installation aid for a pin insulator according to claim 2, wherein:
be provided with two the connecting block is connected respectively the lead screw both ends, lead screw one end is provided with the unthreaded section, the unthreaded section is worn to establish in the connecting block, and the connecting block inner wall that matches with the unthreaded section is smooth, and another connecting block inner wall is provided with the screw thread that matches with the lead screw.
4. A replacement installation aid for a pin insulator according to claim 2, wherein:
the screw rod is provided with two connecting blocks, a positive thread section and a negative thread section, the positive thread section and the negative thread section are separated from the middle point of the screw rod, and threads matched with the two thread sections are respectively arranged on the inner walls of the two connecting blocks.
5. A pin insulator replacement installation assistance device according to claim 2, further comprising:
the gears are respectively fixedly welded at one end of the bottom of the lower lifting arm, the gears arranged at the bottoms of the two lower lifting arms are mutually meshed, the fixed shaft penetrates through the gears and is inserted into the gears, and the gears are rotatably arranged at the top of the adjusting mechanism through the fixed shaft.
6. A pin insulator replacement installation assistance device according to claim 1, further comprising:
go up the fixing base, go up fixing base bottom both ends through the bolt respectively with two go up the lift arm and rotate and be connected, fixed establishment rotates and installs go up fixing base top center department.
7. A replacement installation aid for a pin insulator according to claim 6, wherein:
the fixing mechanism further comprises a cable bracket, a metal snap ring, a buckle, a torsion spring and a rotating shaft; cable tray fixed mounting be in go up the fixing base top, pivot fixed mounting be in cable tray bottom center department, cable tray passes through the pivot with it rotates to connect to go up the fixing base, the metal snap ring equidistance is installed cable tray upper surface, the buckle is installed metal snap ring bottom one side, the buckle with pass through between the metal snap ring torque spring rotates and connects.
8. A replacement installation aid for a pin insulator according to claim 1, wherein:
the adjusting mechanism further comprises a first olecranon-shaped fastener, a second olecranon-shaped fastener, a fixing plate and a fastening bolt; the fixing plate is arranged at the bottom of the lower lifting arm, one end of the bottom of the lower lifting arm is rotatably connected with the fixing plate through the fixing shaft, the first olecranon-shaped fastener is welded at one end of the lower surface of the fixing plate, the second olecranon-shaped fastener is inserted at the other end of the lower surface of the fixing plate, and the second olecranon-shaped fastener is fixedly installed on the fixing plate through the fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000646.9A CN110768158A (en) | 2019-10-21 | 2019-10-21 | Pin insulator replacement and installation auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000646.9A CN110768158A (en) | 2019-10-21 | 2019-10-21 | Pin insulator replacement and installation auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110768158A true CN110768158A (en) | 2020-02-07 |
Family
ID=69332871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911000646.9A Pending CN110768158A (en) | 2019-10-21 | 2019-10-21 | Pin insulator replacement and installation auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110768158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121502A1 (en) * | 2020-12-08 | 2022-06-16 | 南方电网科学研究院有限责任公司 | Pin insulator |
| CN115548970A (en) * | 2022-10-18 | 2022-12-30 | 贵州电网有限责任公司 | Quick replacement pin insulator top line ware |
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|---|---|---|---|---|
| US4760640A (en) * | 1986-10-02 | 1988-08-02 | Lawrence William G | Insulator-jack for replacing insulator disks |
| CN101154797A (en) * | 2007-10-19 | 2008-04-02 | 重庆市电力公司江北供电局 | Auxiliary means for changing porcelain insulator of telegraph pole |
| CN201616637U (en) * | 2010-03-15 | 2010-10-27 | 王福田 | Installing structure of platy base on angle steel |
| CN201927942U (en) * | 2010-12-28 | 2011-08-10 | 中国南方电网有限责任公司超高压输电公司百色局 | Universal support saddle for replacing insulator strings of tangent tower and suspension angle tower in 500kV circuit on electrified condition |
| CN203301067U (en) * | 2013-06-27 | 2013-11-20 | 国家电网公司 | Apparatus for replacing pin insulator |
| CN209389647U (en) * | 2019-02-19 | 2019-09-13 | 福建东电电力设备有限公司 | Aluminum alloy cable bridge is used in a kind of installation of insulation aluminum tube bus |
-
2019
- 2019-10-21 CN CN201911000646.9A patent/CN110768158A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4760640A (en) * | 1986-10-02 | 1988-08-02 | Lawrence William G | Insulator-jack for replacing insulator disks |
| CN101154797A (en) * | 2007-10-19 | 2008-04-02 | 重庆市电力公司江北供电局 | Auxiliary means for changing porcelain insulator of telegraph pole |
| CN201616637U (en) * | 2010-03-15 | 2010-10-27 | 王福田 | Installing structure of platy base on angle steel |
| CN201927942U (en) * | 2010-12-28 | 2011-08-10 | 中国南方电网有限责任公司超高压输电公司百色局 | Universal support saddle for replacing insulator strings of tangent tower and suspension angle tower in 500kV circuit on electrified condition |
| CN203301067U (en) * | 2013-06-27 | 2013-11-20 | 国家电网公司 | Apparatus for replacing pin insulator |
| CN209389647U (en) * | 2019-02-19 | 2019-09-13 | 福建东电电力设备有限公司 | Aluminum alloy cable bridge is used in a kind of installation of insulation aluminum tube bus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121502A1 (en) * | 2020-12-08 | 2022-06-16 | 南方电网科学研究院有限责任公司 | Pin insulator |
| CN115548970A (en) * | 2022-10-18 | 2022-12-30 | 贵州电网有限责任公司 | Quick replacement pin insulator top line ware |
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Application publication date: 20200207 |