CN103280739B - A kind of conducting rod erecting device - Google Patents
A kind of conducting rod erecting device Download PDFInfo
- Publication number
- CN103280739B CN103280739B CN201310147273.4A CN201310147273A CN103280739B CN 103280739 B CN103280739 B CN 103280739B CN 201310147273 A CN201310147273 A CN 201310147273A CN 103280739 B CN103280739 B CN 103280739B
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- guide body
- adjusting rod
- fulcrum
- conducting rod
- erecting device
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- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims description 10
- 229910052573 porcelain Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 5
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- 241001584775 Tunga penetrans Species 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of conducting rod erecting device, this conducting rod erecting device is provided with the adjusting rod on three fulcrum blocks and hinged support seat in guide body, between adjacent two fulcrum blocks in front and back, bridge joint has an adjusting rod group, each adjusting rod group forms the circumference adjusting rod uniformly at intervals of edge around described datum axis by least two, the length that often pair of adjusting rod does not wait by length, minor pole forms, in described each fulcrum block, the fulcrum block of front side or rear side is fixing or is wholely set the fulcrum block of determining in guide body, all the other fulcrum blocks are the activity supporting point seat be assemblied in guide body that leads along the longitudinal direction, and in guide body, be provided with block component.In use, by behind the position that adjusts block component in guide body along the longitudinal direction, drive roller to move radially along described location circumference by the inner opening and closing campaign of each pair of adjusting rod, make conducting rod erecting device of the present invention be applicable to, in the sleeve pipe of different tube diameters, conducting rod is installed.
Description
Technical field
The present invention relates to conducting rod erecting device technical field, be particularly useful for high pressure, ultra high voltage, EHV bushing assembly technology.
Background technology
At present, along with the electric pressure of high voltage electric equipment raises, creepage distance and the insulation distance of line porcelain bushing (composite bushing) also increase thereupon, diameter and the length of corresponding porcelain bushing also increase thereupon, diameter as 1,000,000 volts of line porcelain bushings reaches more than one meter, and length reaches tens meters long especially.In the porcelain bushing of this length when installing conducting rod, there is the phenomenon that conducting rod " is bowed ", general solution has following two kinds: a kind of method directly increases the sheath be made up of flexible material in the end of conducting rod, contact with internal surface of sleeve pipe with sheath, although the structure of this method sheath is simple, but between sheath and porcelain bushing, there is larger friction, in the process of sheath with conducting rod movement, the end of conducting rod usually can be exposed from sheath, to make the protection of sheath to conducting rod not in place, the end of conducting rod directly can be contacted with the inwall of porcelain bushing, the inwall of porcelain bushing is finally caused to scratch, another kind method uses a jigger to hold conducting rod at inside pipe casing, the end of conducting rod and the inwall of sleeve pipe is avoided to collide with, this method is no doubt simple, but in use, jigger can only avoid the end of conducting rod to collide with the inwall of porcelain bushing, conducting rod can not be helped to feel relieved and location, in follow-up assembly work, the centering also needing other means to carry out assisting and location, this adds increased the labour intensity of conducting rod assembling.
Notification number is that the Chinese utility model patent of CN202363840U discloses one for GIS three-phase non-segregated bus conducting rod frock guide car, the discoid guide body distributed successively before and after this guide car comprises and positioning disk, the connecting rod that guide body and positioning disk are extended by front and back is coaxially connected, the relative conductor bores offered for passing for conducting rod to be installed in guide body with positioning disk, the hole wall of conductor bores is evenly equipped with several trundle, and on the periphery of guide body several big roller, coaxially slip in the endoporus of bus bar canister to be made guide body by big roller, ensure that guide body is relative with the touch base on disk insulator on bus bar canister with the conductor bores on positioning disk, but along with the continuous increase of bus bar canister caliber, guide body on corresponding this guide car and the diameter of positioning disk also need corresponding increase, thus make whole guide car become heavy, increase the amount of labour and work difficulty that conducting rod is installed in bus bar canister, reduce working effect.
Summary of the invention
The object of this invention is to provide a kind of light structure, conducting rod erecting device that the scope of application is wide.
In order to realize above object, the technical scheme of conducting rod erecting device of the present invention is as follows:
Conducting rod erecting device, this conducting rod erecting device have setting for aiming at the axis of mounted sleeve pipe the datum axis overlapping and arrange, conducting rod erecting device comprises the guide body for fixing assembling conducting rod, the axis that guide body has for limiting assembled conducting rod overlaps or parallel location structure with described datum axis, described guide body is provided with wheel carrier, wheel carrier comprises three fulcrum blocks be arranged at along datum axis direction time interval in guide body, be hinged on the adjusting rod on fulcrum block, between adjacent two fulcrum blocks in front and back, bridge joint has an adjusting rod group, each adjusting rod group forms the circumference adjusting rod uniformly at intervals of edge around described datum axis by least two, the length that often pair of adjusting rod does not wait by length, minor pole forms, each long adjusting rod has the inner on the fulcrum block that is hinged on and mediates in three fulcrum blocks, be hinged on the outer end in the middle part of long adjusting rod, each minor pole has the inner be hinged in three fulcrum blocks on the fulcrum block being in front side or rear side, be rotatably equipped with the outer end of roller, same to long in adjusting rod, the inner of minor pole is placed in the both sides, front and back of minor pole outer end, and the inner of each long adjusting rod in same adjusting rod group, the outer end of each long adjusting rod, the inner of each minor pole, the outer end of each minor pole is in location that the center of circle overlaps with described datum axis circumferentially respectively, circumference place, described location plane is vertical with described datum axis, and each is long, in minor pole, the pivot center at outer end place is respectively along the tangential extension of corresponding location circumference, in described each fulcrum block the fulcrum block of front side or rear side be fixing or be wholely set in guide body determine fulcrum block, all the other fulcrum blocks are the activity supporting point seat be assemblied in guide body that leads along the longitudinal direction, and be provided with in guide body and determine fulcrum block dorsad farthest away from the activity supporting point seat determining fulcrum block move and the removable block component be connected in guide body of fore-aft adjustable for stoping.
Described guide body is that axis overlaps with described datum axis and for the sleeve of coaxial package on conducting rod periphery, described location structure is the inwall of guide body.
The inwall of described guide body is provided with the flexible cushion for being looped around electric conductor periphery.
Described block component is be sleeved on the baffle ring on guide body periphery, and baffle ring coaxial threaded is connected on the periphery of guide body.
Determine fulcrum block when being fixed in guide body, determine fulcrum block and activity supporting point seat is the circular body of coaxial package on guide body periphery.
The end of described guide body is provided with the hitch structure for tying up stay cord.
Described each adjusting rod group forms along the circumference adjusting rod uniformly at intervals around described datum axis by least three.
The present invention is provided with wheel carrier in guide body, wheel carrier comprises datum axis time interval is provided with three fulcrum blocks, adjusting rod on hinged support seat, between adjacent two fulcrum blocks in front and back, bridge joint has an adjusting rod group, each adjusting rod group forms the circumference adjusting rod uniformly at intervals of edge around described datum axis by least two, the length that often pair of adjusting rod does not wait by length, minor pole forms, each long adjusting rod has the inner on the fulcrum block that is hinged on and mediates in three fulcrum blocks, be hinged on the outer end in the middle part of long adjusting rod, each minor pole has the inner be hinged in three fulcrum blocks on the fulcrum block being in front side or rear side, be rotatably equipped with the outer end of roller, same to long in adjusting rod, the inner of minor pole is placed in the both sides, front and back of minor pole outer end, and the inner of each long adjusting rod in same adjusting rod group, the outer end of each long adjusting rod, the inner of each minor pole, the outer end of each minor pole is in location that the center of circle overlaps with described datum axis circumferentially respectively, circumference place, described location plane is vertical with described datum axis, and each is long, in minor pole, the pivot center at outer end place is respectively along the tangential extension of corresponding location circumference, in described each fulcrum block the fulcrum block of front side or rear side be fixing or be wholely set in guide body determine fulcrum block, all the other fulcrum blocks are the activity supporting point seat be assemblied in guide body that leads along the longitudinal direction, and be provided with in guide body and determine fulcrum block dorsad farthest away from the activity supporting point seat determining fulcrum block move and the removable block component be connected in guide body of fore-aft adjustable for stoping.In use, by adjusting the position of block component in guide body along the longitudinal direction, increase to make the spacing between adjacent two fulcrum blocks or reduce, open by the inner of each pair of adjusting rod in mobile corresponding group of the drive of adjacent two fulcrum blocks or close up, by driving the roller that adjusting rod outer end is assembled to move radially along described location circumference with the inner opening and closing campaign of group each pair of adjusting rod, change the diameter of the roller residing location circumference that in the present invention, same adjusting rod group is corresponding, conducting rod erecting device of the present invention is made to be applicable to, in the sleeve pipe of different tube diameters, conducting rod is installed, and then compared with the erecting device of shape solid in prior art, conducting rod erecting device of the present invention is made to have light structure and beneficial effect applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is embodiment of the present invention structural representation in a state of use.
Embodiment
The embodiment of conducting rod erecting device of the present invention: as Fig. 1, shown in Fig. 2 and Fig. 3, the guide body 1 of the circular sleeve shape extended before and after this conducting rod erecting device comprises, the wheel carrier 4 that guide body 1 periphery is arranged and the roller 5 rolling installing on frame 4, the axis of described guide body 1 is in installation process, the datum axis overlapping and arrange is aimed at the axis of mounted sleeve pipe, described wheel carrier 4 is by the block component that periphery, guide body 1 two ends is threaded, three fulcrum blocks that time interval is uniform between two block components, on fulcrum block, the adjusting rod of bridge joint is formed, wherein two block components are the baffle ring 2 of coaxial package on periphery, guide body front end, three fulcrum blocks be respectively from front to back successively coaxial package on guide body periphery before adjustable ring 31, middle adjustable ring 32 and rear adjustable ring 33, front adjustable ring 31 and middle adjustable ring 32 are all that fairlead is contained in the activity supporting point seat on guide body 1 periphery along the longitudinal direction, rear adjustable ring 33 is fixed on guide body 1 periphery determines fulcrum block, be in the front adjusting rod group of adjusting rod composition between front adjustable ring 31 and middle adjustable ring 32, be in the rear adjusting rod group of adjusting rod composition between adjustable ring 32 and rear adjustable ring 33, before, in rear adjusting rod group, each adjusting rod all along described guide body circumference in pairs uniformly at intervals, namely before, rear adjusting rod group forms by along the paired three pairs of adjusting rods uniformly at intervals of described guide body circumference, and each pair of adjusting rod is made up of preceding minor pole 41 and posterior long adjusting rod 42, and it is front, the each pair of adjusting rod belonging to different group in rear adjusting rod group aligns between two at fore-and-aft direction.The inner of the short-and-medium adjusting rod of front adjusting rod group 41 is hinged on front adjustable ring 31, outer end is hinged on the middle part of long adjusting rod 42, in front adjusting rod group, in long adjusting rod 42, the inner of long adjusting rod 42 is hinged on the front side of middle adjustable ring 32, middle part forms the binding site of often pair of adjusting rod 4 with the outer end of minor pole 41, outer end is rotatably equipped with roller 5, to make in front adjusting rod group often pair of adjusting rod by growing, minor pole 41, 42 form herringbone structure, long, minor pole 41, the inner of 42 is in inner position that the center of circle overlaps with described datum axis circumferentially respectively, the outer end of minor pole 42 is in middle location that the center of circle overlaps with described datum axis circumferentially, the outer end of long adjusting rod 41 is in outside fix that the center of circle overlaps with described datum axis circumferentially, and in, in, the plane at outside fix circumference place is all perpendicular to described i.e. datum axis, long, minor pole 41, the pivot center of the articulated structure at the inner end positions place of 42 is along the tangential extension of described inner position circumference, the pivot center of the articulated structure at minor pole 42 outer end position place is along the tangential extension of described middle location circumference, the pivot center of long adjusting rod 41 outer end position place roller 5 is along the tangential extension of described outside fix circumference.The inner of the short-and-medium adjusting rod of rear adjusting rod group 41 is hinged on rear adjustable ring 32, outer end is hinged on the middle part of long adjusting rod 42, in rear adjusting rod group, the inner of long adjusting rod 42 is hinged on rear side of middle adjustable ring 33, middle part forms the binding site of often pair of adjusting rod with the outer end of minor pole 41, outer end is rotatably equipped with roller 5, to make in rear adjusting rod group often pair of adjusting rod 4 by growing, minor pole 41 is formed into character form structure, long, minor pole 41, the inner of 42 is in inner position that the center of circle overlaps with described datum axis circumferentially respectively, the outer end of minor pole 42 is in middle location that the center of circle overlaps with described datum axis circumferentially, the outer end of long adjusting rod 41 is in outside fix that the center of circle overlaps with described datum axis circumferentially, and in, in, the plane at outside fix circumference place is all perpendicular to described i.e. datum axis, long, minor pole 41, the pivot center of the articulated structure at the inner end positions place of 42 is along the tangential extension of described inner position circumference, the pivot center of the articulated structure at minor pole 42 outer end position place is along the tangential extension of described middle location circumference, the pivot center of long adjusting rod 41 outer end position place roller 5 is along the tangential extension of described outside fix circumference.
The inwall of described guide body 1 is provided with flexible cushion, and the two ends of guide body 1 are equipped with hitch structure, and this hitch structure is the bridle port 6 for tying up pull rope.
The present embodiment conducting rod erecting device in use, this conducting rod erecting device slips in sleeve pipe 7 by roller 5, and after rotation baffle ring 2, often pair of adjusting rod 4 inner fork position under the promotion of corresponding adjustable ring 3 is drawn in or opens, to make the equal roll extrusion of the roller 5 on each pair of adjusting rod 4 on the inwall of sleeve pipe 7, thus make front group of adjusting rod 4 and rear group of adjusting rod 4 all on the periphery of guide body 1, form three points centering structure, ensure the axiality of guide body 1 endoporus and sleeve pipe 7 endoporus, and tie up the stay cord be fixed on described bridle port 6 and can draw whole conducting rod erecting device and move axially in the endoporus of sleeve pipe 7, conducting rod erecting device is so just made to form umbrella rib structure in sleeve pipe, conducting rod erecting device can according to the circumscribed circle diameter of the caliber adjustment of sleeve pipe 7 self, ensure the installation accuracy of conducting rod 8 in sleeve pipe 7.
In addition, in the above-described embodiments, guide body and adjusting rod adopt light-weight metal or lightweight non-metallic materials to make, as materials such as aluminium alloy, fiberglass, polytetrafluoros, roller is then make with the material of not destructive envelope inside pipe wall, as plastics, rubber, poly fourfluoroplastics etc., to reduce the weight of whole conducting rod erecting device, whole conducting rod erecting device is made to have the feature of light structure.
In the above-described embodiments, guide body two ends are provided with bridle port, to tie up fixed pulling rope, be convenient to traction guide body movable in sleeve pipe, in other embodiments, described bridle port also can replace by other binder structure such as U-bolt, hitching post, or directly removes described binder structure, is directly banded on the periphery of guide body by pull rope.
In the above-described embodiments, the inwall of guide body is provided with flexible cushion, to be centered around on the periphery of electric conductor, electric conductor is avoided directly to contact with guide body inwall the damage caused both, in other embodiments, do not considering that electric conductor periphery and guide body inwall collide with brought damage mutually, and guide body inwall also can remove described flexible cushion.
In the above-described embodiments, guide body is circular sleeve, with make the inwall of guide body by for limit the location structure that overlaps with described datum axis of the axis of assembling conducting rod, so that install electric conductor at cover inner coaxial tube, in other embodiments, guide body also can be the block for installing at least two conducting rods in sleeve pipe, this corresponding guide body also should have cylindric outer peripheral face, electric conductor also can be threaded connection simultaneously, the removable fixing mechanism such as Flange joint is connected in guide body, namely be threaded described in, the removable fixing mechanism such as Flange joint is corresponding location structure, this belongs to prior art, therefore repeat no more.
In the above-described embodiments, each pair of adjusting rod in forward and backward adjusting rod group aligns between two mutually at fore-and-aft direction, with the both sides, front and back enabling the inner of sides adjacent adjusting rod in forward and backward adjusting rod group be hinged on middle adjustable ring, ensure the globality of whole conducting rod erecting device, and simplify the structure of conducting rod erecting device, in other embodiments, each pair of adjusting rod in front and back group adjusting rod also can stagger mutually at fore-and-aft direction.
In the above-described embodiments, adjustable ring is three, and in other embodiments, adjustable ring also can be two or more than three, and the group number of corresponding adjusting rod is one group or more than two groups.
In the above-described embodiments, each pair of adjusting rod is made up of long and short adjusting rod, to shorten the total length of each pair of adjusting rod, in other embodiments, the each pair of adjusting rod also can be formed by connecting by the adjusting rod that two length is equal, in each pair of corresponding adjusting rod, the outer end of two adjusting rods or middle part are hinged, and namely often pair of adjusting rod be inverted v-shaped structure or X-shaped structure, and corresponding roller rotation is assemblied on the outer end of one or two adjusting rod.
In the above-described embodiments, an adjusting rod group forms by around described datum axis three pairs of adjusting rods uniformly at intervals, in other embodiments, the adjusting rod logarithm comprised in an adjusting rod group also can be two to or right more than three, and in same adjusting rod group, each pair of adjusting rod need around described datum axis uniformly at intervals.
In the above-described embodiments, the axis of guide body is datum axis, fulcrum block is the adjustable ring of coaxial package in guide body, in other embodiments, described guide body also can be offset to the side of datum axis, it is so the straight line at the place, the center of circle of each location circumference that corresponding datum axis is appointed, and the bearing of trend of guide body should be parallel with described datum axis; And fulcrum block also can be several slide blocks of being assemblied in guide body of leading along the longitudinal direction, the dependence block component that is synchronized with the movement of a circle slide block of a circle slide block of corresponding front side and rear side realizes.
In the above-described embodiments, the block component that guide body periphery is arranged is the baffle ring that coaxial threaded is connected to guide body two ends, in other embodiments, described baffle ring also can be replaced with the component such as alignment pin, positioning retainer ring, corresponding needs arrange the structure such as pin-and-hole, draw-in groove distributed before and after a row in guide body, above-mentioned block component by corresponding construction to be connected with guide body realize fore-aft adjustable removable be connected to belong to well known to a person skilled in the art technological means, therefore repeat no more.
Claims (7)
1. conducting rod erecting device, this conducting rod erecting device have setting for aiming at the axis of mounted sleeve pipe the datum axis overlapping and arrange, conducting rod erecting device comprises the guide body for fixing assembling conducting rod, the axis that guide body has for limiting assembled conducting rod overlaps or parallel location structure with described datum axis, it is characterized in that: described guide body is provided with wheel carrier, wheel carrier comprises three fulcrum blocks be arranged at along datum axis direction time interval in guide body, be hinged on the adjusting rod on fulcrum block, between adjacent two fulcrum blocks in front and back, bridge joint has an adjusting rod group, each adjusting rod group forms the circumference adjusting rod uniformly at intervals of edge around described datum axis by least two, the length that often pair of adjusting rod does not wait by length, minor pole forms, each long adjusting rod has the inner on the fulcrum block that is hinged on and mediates in three fulcrum blocks, be hinged on the outer end in the middle part of long adjusting rod, each minor pole has the inner be hinged in three fulcrum blocks on the fulcrum block being in front side or rear side, be rotatably equipped with the outer end of roller, same to long in adjusting rod, the inner of minor pole is placed in the both sides, front and back of minor pole outer end, and the inner of each long adjusting rod in same adjusting rod group, the outer end of each long adjusting rod, the inner of each minor pole, the outer end of each minor pole is in location that the center of circle overlaps with described datum axis circumferentially respectively, circumference place, described location plane is vertical with described datum axis, and each is long, in minor pole, the pivot center at outer end place is respectively along the tangential extension of corresponding location circumference, in described each fulcrum block the fulcrum block of front side or rear side be fixing or be wholely set in guide body determine fulcrum block, all the other fulcrum blocks are the activity supporting point seat be assemblied in guide body that leads along the longitudinal direction, and be provided with in guide body and determine fulcrum block dorsad farthest away from the activity supporting point seat determining fulcrum block move and the removable block component be connected in guide body of fore-aft adjustable for stoping.
2. conducting rod erecting device according to claim 1, is characterized in that, described guide body is that axis overlaps with described datum axis and for the sleeve of coaxial package on conducting rod periphery, described location structure is the inwall of guide body.
3. conducting rod erecting device according to claim 2, is characterized in that, the inwall of described guide body is provided with the flexible cushion for being looped around electric conductor periphery.
4. conducting rod erecting device according to claim 2, is characterized in that, described block component is be sleeved on the baffle ring on guide body periphery, and baffle ring coaxial threaded is connected on the periphery of guide body.
5. conducting rod erecting device according to claim 2, is characterized in that, determines fulcrum block when being fixed in guide body, determines fulcrum block and activity supporting point seat is the circular body of coaxial package on guide body periphery.
6. conducting rod erecting device as claimed in any of claims 1 to 5, is characterized in that, the end of described guide body is provided with the hitch structure for tying up stay cord.
7. conducting rod erecting device as claimed in any of claims 1 to 5, is characterized in that, described each adjusting rod group forms along the circumference adjusting rod uniformly at intervals around described datum axis by least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147273.4A CN103280739B (en) | 2013-04-25 | 2013-04-25 | A kind of conducting rod erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147273.4A CN103280739B (en) | 2013-04-25 | 2013-04-25 | A kind of conducting rod erecting device |
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| Publication Number | Publication Date |
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| CN103280739A CN103280739A (en) | 2013-09-04 |
| CN103280739B true CN103280739B (en) | 2015-09-02 |
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| CN201310147273.4A Active CN103280739B (en) | 2013-04-25 | 2013-04-25 | A kind of conducting rod erecting device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143789B (en) * | 2014-07-08 | 2017-02-01 | 国家电网公司 | Conducting rod assembling tool |
| CN104143793B (en) * | 2014-07-08 | 2017-07-14 | 国家电网公司 | A kind of three-phase combined type conducting rod assembly tooling |
| CN104332902B (en) * | 2014-07-08 | 2017-06-30 | 国家电网公司 | Swingable formula three-phase combined type conducting rod assembly tooling |
| CN104143790B (en) * | 2014-07-08 | 2017-01-04 | 国家电网公司 | Three-point centering conducting rod assembling tool |
| CN109659866A (en) * | 2019-01-31 | 2019-04-19 | 国家电网有限公司 | A kind of Guide vehicle for high pressure GIS conductor installation |
| CN112428220A (en) * | 2020-10-23 | 2021-03-02 | 中国一冶集团有限公司 | Chain mounting device and chain mounting method for buried scraper conveyor |
| CN116979428B (en) * | 2023-09-22 | 2023-11-28 | 国网山西省电力公司太原供电公司 | Cable laying device |
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|---|---|---|---|---|
| CN2083353U (en) * | 1990-08-30 | 1991-08-21 | 中国人民解放军58005部队 | Tube threading device |
| CN2153889Y (en) * | 1992-12-17 | 1994-01-19 | 戴振东 | Electric traction engine through tubing or conduit |
| CN203301072U (en) * | 2013-04-25 | 2013-11-20 | 国家电网公司 | Installation apparatus of conducting rod |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59187312A (en) * | 1984-03-16 | 1984-10-24 | Sumitomo Electric Ind Ltd | Observation device for pipeline |
| JPH08332949A (en) * | 1995-06-07 | 1996-12-17 | Nippon Telegr & Teleph Corp <Ntt> | Support, and supporting method for measuring device |
| GB0108780D0 (en) * | 2001-04-07 | 2001-05-30 | Corning Cable Systems Ltd | Cable laying and apparatus therefor |
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2013
- 2013-04-25 CN CN201310147273.4A patent/CN103280739B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083353U (en) * | 1990-08-30 | 1991-08-21 | 中国人民解放军58005部队 | Tube threading device |
| CN2153889Y (en) * | 1992-12-17 | 1994-01-19 | 戴振东 | Electric traction engine through tubing or conduit |
| CN203301072U (en) * | 2013-04-25 | 2013-11-20 | 国家电网公司 | Installation apparatus of conducting rod |
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| C06 | Publication | ||
| PB01 | Publication | ||
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