CN104143790B - Three-point centering conducting rod assembling tool - Google Patents
Three-point centering conducting rod assembling tool Download PDFInfo
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- CN104143790B CN104143790B CN201410324006.4A CN201410324006A CN104143790B CN 104143790 B CN104143790 B CN 104143790B CN 201410324006 A CN201410324006 A CN 201410324006A CN 104143790 B CN104143790 B CN 104143790B
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- conducting rod
- supporting plate
- bracing frame
- adjustable
- assembly tooling
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- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 241001584775 Tunga penetrans Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000004308 accommodation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
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- 239000007769 metal material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a three-point centering conducting rod assembling tool which comprises three supporting frames uniformly distributed on one circumference, wherein two adjacent supporting frames are connected through an adjustable connecting mechanism capable of adjusting relative positions and form an annular frame through connection, the outer side end of the annular frame on each supporting frame is connected with a roller used for contacting with the inner wall of a mounted pipe body, the inner side end of each supporting frame is connected with a supporting plate used for contacting with a conducting rod mounted at the center of the mounted pipe body and positioning the conducting rod, the supporting plates and the supporting frames are connected through adjustable connecting mechanisms capable of adjusting the radial positions of the supporting plates, at least one supporting plate in the three supporting plates is provided with a mounting groove on the side surface contacting with the conducting rod, and a wedge used for wedging the conducting rod is assembled in the mounting groove. The distance between two adjacent support frames of the tool is adjustable, the distance between the supporting plate and the support frames is adjustable, and the tool can be suitable for installed pipes with different diameters and conducting rods with different diameters.
Description
Technical field
The present invention relates to high pressure, extra-high voltage, ultra-high pressure pipeline bus assembling field, a kind of for being installed into the process unit of conducting rod in outlet casing tube, pipeline bus.
Background technology
At present, along with the electric pressure of high voltage electric equipment raises, creep age distance and the insulation distance of line porcelain bushing shell (composite bushing) are consequently increased, diameter and the length of corresponding porcelain bushing shell are consequently increased, such as the diameter more than one meter of million volts of line porcelain bushing shells, length reaches tens meters long especially.When conducting rod being installed in the porcelain bushing shell of this length, there is the phenomenon that conducting rod " is bowed ", general solution has following two: a kind of method is directly to increase the sheath being fabricated from a flexible material in the end of conducting rod, contact with internal surface of sleeve pipe with sheath, although this method jacket structure is simple, but between sheath and porcelain bushing shell, there is bigger frictional force, at sheath with in conducting rod moving process, the end of conducting rod usually can be exposed from sheath, so that sheath is not in place to the protection of conducting rod, the end making conducting rod directly can contact with the inwall of porcelain bushing shell, the inwall ultimately causing porcelain bushing shell scratches；Another kind of method is to use a jigger to hold conducting rod at inside pipe casing, collide with the inwall of sleeve pipe in the end avoiding conducting rod, although this method is simple, but in use, jigger can only avoid the end of conducting rod not collide with the inwall of porcelain bushing shell, conducting rod centering and location can not be helped, also need other means to carry out auxiliary centering and location in follow-up use, this adds increased the labor intensity of conducting rod assembling.
nullNotification number is that the Chinese utility model patent of CN202363840U discloses a kind of for GIS three-phase non-segregated bus conducting rod frock guide car，This guide car includes that be front and back sequentially distributed guides electric pole and location dish discoidly，Electric pole and location dish is guided coaxially to be connected by the connecting rod front and back extended，Guiding the electric pole conduction rod aperture that offer for for be installed conducting rod pass relative with on the dish of location，The hole wall of conduction rod aperture is evenly equipped with several trundle，And it is provided with several big roller on the periphery guiding electric pole，Guiding electric pole is made coaxially to slip in bus pipe by big roller，Ensure to guide electric pole relative with the touch base on disk insulator on bus bar canister with the conduction rod aperture on the dish of location，But offering the conduction rod aperture for passing for conducting rod to be installed owing to this guiding electric pole is relative with on the dish of location is fixing，Which limits a set of guide car to may be only available for diameter and coincide with through hole the assembling of the conducting rod coordinated，When the diameter of conducting rod is less than through-hole diameter，Also conducting rod can be made to fix although adding implant in through-holes，But thus greatly reduce the precision to conducting rod centering location，Therefore，Need again to manufacture a set of guide car adapted to therewith when conducting rod diameter difference，In addition，The discoid ground guide body of this guide car and the diameter of location dish are also fixing，Therefore it also can only be suitable for the bus of a kind of diameter，Need again to manufacture a set of guide car adapted to therewith when bus pipe diameter difference，Thus considerably increase cost.
Summary of the invention
The purpose of the present invention aims to provide the three points centering conducting rod assembly tooling of the conducting rod of a kind of mounted pipe that can adapt to different-diameter and different-diameter.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of three points centering conducting rod assembly tooling, including three bracing frames being distributed on a circumference, by the adjustable connection mechanism connection of relative position can be regulated between adjacent two bracing frames, and form an annular frame by connecting, on each bracing frame, the outboard end in annular frame is respectively connected with for the roller with the contact internal walls of mounted body, medial extremity is respectively connected with for contacting with the conducting rod being installed on mounted body central, and the supporting plate of location conducting rod, connected by the adjustable connection mechanism of scalable supporting plate radial position between described supporting plate and bracing frame, the side that in three supporting plates, at least supporting plate contacts with conducting rod is provided with mounting groove, mounting groove is equipped with the chock for wedging conducting rod.
Described supporting plate is linear type or V-type or circular arc.
One end of each supporting plate is equipped with engaging tooth, and the other end is equipped with engaging groove, and two adjacent supporting plates are engaged each other by the engaging groove on the engaging tooth on one of them supporting plate and another supporting plate.
Realized apart from adjustable releasable connection by adjustable diameter and screw adjusting mechanism between adjacent two bracing frames.
Adjustable diameter and screw adjusting mechanism between adjacent two bracing frames includes the positive and negative tooth double thread connector being articulated with the end coupling on corresponding threaded two the adjacent supports framves of the end thread connector on adjacent two bracing frames and two ends.
Realized apart from adjustable releasable connection by adjustable diameter and screw adjusting mechanism between bracing frame and supporting plate.
Adjustable diameter and screw adjusting mechanism between bracing frame and supporting plate includes the first threaded connector and the second threaded connector, supporting plate connects the first threaded connector near the side of bracing frame, bracing frame connects the second threaded connector near the side of supporting plate, first threaded connector and the second threaded connector are threaded connection, and one of them of the first threaded connector and the second threaded connector is rotatably connected on supporting plate and the bracing frame of correspondence.
The roller installed on support frame as described above is the single roller or two-row roller extended along conducting rod axis direction, and at least row's number of rollers is two or more.
The roller at least installed on a bracing frame in three bracing frames is universal wheel.
Described chock is provided with the attachment structure for fastening rope.
nullThe conducting rod assembly tooling of the present invention mainly includes three bracing frames being distributed on a circumference，By the adjustable connection mechanism connection of relative position can be regulated between adjacent two bracing frames，On each bracing frame, the outboard end in annular frame is respectively connected with for the roller with the contact internal walls of mounted body，Medial extremity is respectively connected with for contacting with the conducting rod being installed on mounted body central、And the supporting plate of location conducting rod，Connected by the adjustable connection mechanism of scalable supporting plate radial position between supporting plate and bracing frame，So in any one circumferential section of mounted pipe, by three bracing frames, the location of three points that angle of circumference on conducting rod outer circumference surface is spaced 120 degree is achieved that the centering to conducting rod positions，It is apart from adjustable annexation between adjacent two bracing frames，The circle diameter at the roller place that so bracing frame is provided with can increase by regulating the distance between adjacent two bracing frames or reduce，Thus realize frock and adapt to the mounted pipe of different-diameter，Three also scalable of the distance between supporting plate and bracing frame，The space being used for placing conducting rod between such three supporting plates can increase or reduce，Thus realize frock and adapt to the conducting rod of different-diameter.
Further, engaged each other by the engaging groove on the engaging tooth on one of them supporting plate and another supporting plate between adjacent two supporting plates of three supporting plates, it is therefore prevented that slip between two supporting plates injure mounted pipe or staff by a crashing object due to the own wt of conducting rod in conducting rod assembly project.
Further, adjustable connection is realized by adjustable diameter and screw adjusting mechanism between three bracing frames, adjustable connection is realized by adjustable diameter and screw adjusting mechanism between bracing frame and supporting plate, so the distance regulated between adjacent two bracing frames to adapt to the mounted diameter of pipe and the distance between adjusting supporting board and mounted pipe axis to adapt to the diameter of conducting rod time, regulated quantity can be accurately controlled, improve the positioning precision to conducting rod, the most just improve efficiency of assembling.
Accompanying drawing explanation
Fig. 1 is the structural representation of three points centering conducting rod assembly tooling embodiment one of the present invention；
Fig. 2 is the use state diagram of the embodiment of the present invention one；
Fig. 3 is the sectional view of the embodiment of the present invention one；
Fig. 4 is the structural representation of supporting plate in Fig. 3；
Fig. 5 is the structural representation of swivel nut in Fig. 3；
Fig. 6 is the structural representation of bracing frame in Fig. 3；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the structural representation of Fig. 3 middle left and right rotation stud；
Fig. 9 is the structural representation of chock in Fig. 3；
Figure 10 is the structural representation of three points centering conducting rod assembly tooling embodiment two of the present invention；
Figure 11 is the structural representation of three points centering conducting rod assembly tooling embodiment three of the present invention.
Detailed description of the invention
The embodiment one of a kind of conducting rod assembly tooling of the present invention: as shown in figs 1-9, including three bracing frames 1 being distributed on a circumference, the center of circle of the circumference at three bracing frame 1 places and the dead in line of mounted pipe 21, adjacent two bracing frames 1 are connected with each other by adjustable connection mechanism, and form a ring frame, three bracing frames 1 one end outside ring frame is respectively connected with for the roller 8 with the contact internal walls of mounted pipe 21, three bracing frames 1 are respectively connected with for contacting with the conducting rod 22 being installed on mounted pipe 21 center in ring frame inner opposite end, and the supporting plate 2 of location conducting rod 22.
Bracing frame 1 includes the threaded post 16 for being connected with supporting plate 2, threaded post 16 extends in a radial direction, threaded post 16 is provided with, away from one end of mounted pipe axis, the wheel carrier 18 for installing roller 8 being perpendicular to threaded post 16 and extending to the both sides of threaded post 16, the bearing of trend of wheel carrier 18 is identical with the axis direction of mounted pipe 21, and threaded post 16 is additionally provided with away from one end of mounted pipe axis and is perpendicular to wheel carrier 18 and tilts, in the direction of two laterally closer threaded post 16 of wheel carrier 18, the connecting plate 20 for connecting adjacent two bracing frames 1 extended.
nullSupporting plate 2 is V-shaped，The tooth that wherein one end is provided with is engaging tooth 11，Engaging groove 12 is formed between symmetrically arranged two teeth of other end，Engaged each other by the engaging tooth 11 of one of them supporting plate one end and the engaging groove 12 of another supporting plate one end respectively between adjacent two supporting plates of three supporting plates 2，Three supporting plates 2 are positioned at same plane and head and the tail engagement one hexagon of formation of three bracing frame 1 place planes，Hexagonal central space is used for placing conducting rod 22，Each supporting plate 2 is equipped with the mounting groove 9 for assembling chock 23 near the side of conducting rod 22，Chock 23 contacts with conducting rod 22，Chock 23 uses the material not damaging conducting rod to make，Supporting plate 2 positions and clamp conducting rod 22 by chock 23 to three directions of conducting rod 22 makes it can not rock in described hexagon，That crosses hexagonal centre is perpendicular to the centrage of three supporting plate 2 place planes and the dead in line of mounted pipe 21，The connecting hole 14 for connecting swivel nut 6 is offered in horizontal sides in the middle of supporting plate 2，Swivel nut 6 profile is hexagonal cylindricality，Its one end is provided with the contiguous block 13 coordinated with connecting hole 14，The other end offers the screwed hole 15 for being connected with the threaded post 16 on bracing frame 1，On contiguous block 13, the one end away from screwed hole 15 is provided with pin-and-hole 27，When contiguous block 13 on swivel nut 6 is through connecting hole 14，In pin-and-hole 27, plug-in mounting spacer pin prevents swivel nut 6 from departing from supporting plate 2，And swivel nut 6 can rotate freely relative to supporting plate 2，By rotate Adjusting bolt Adjusting screw 6 can realize three supporting plates 2 close to each other or away from，Change the size in the space that three supporting plates 2 are enclosed so that frock is applicable to the conducting rod of different-diameter，Supporting plate 2 is extended with certain length in conducting rod axis direction，When conducting rod 22 is fixed in the space that three supporting plates 2 enclose，Conducting rod 22 is played the effect of certain support by supporting plate 2，Prevent conducting rod from " bowing ".
End, wheel carrier 18 outward extending two ends offers the installing hole 19 for installing roller 8 respectively, wheel shaft passes installing hole 19, the lateral symmetry of two elongated ends of wheel carrier 18 installs two row's rollers 8, often row has two rollers, wherein roller 8 uses the material not damaging conducting rod 22 to make, the bearing of trend of wheel carrier 18 is identical with the axis direction of mounted pipe 21, the roller so installed on wheel carrier 18 is just respectively at the both sides of three bracing frame place planes, when conducting rod being assembled in frock puts into mounted pipe, toppling of frock will be avoided.
End, connecting plate 20 outward extending two ends is respectively symmetrically the hinge hole offered for hinged left-right rotary stud, the two ends of the connecting plate 20 on three bracing frames 1 have been respectively articulated with left-handed stud or dextrorotation stud by hinge hole, left-handed stud 3 is identical with the structure of dextrorotation stud 5, all include the connection end 24 for connecting two adjacent supports framves 1 and for the hinged end 25 hinged with bracing frame 1, connection end 24 excircle of left-handed stud 3 offers sinistral external thread section 26, connection end 24 excircle of dextrorotation stud 5 offers dextrorotation external thread section 26, left, the hinged end 25 the most U-shaped groove structure of dextrorotation stud, offer on the both sides cell wall of U-type groove for the hinge hole 17 hinged with the connecting plate 20 on bracing frame 1；Two connecting plates 20 being located on adjacent two bracing frames 1 one end close to each other has been respectively articulated with left-handed stud 3 and dextrorotation stud 5, the connection end 24 of left-handed stud 3 and dextrorotation stud 5 offers oppositely oriented double end swivel nut 4 respectively by two ends and connects, so rotate double end swivel nut 4 can make left-handed stud 3 and dextrorotation stud 5 simultaneously closer or far from so that the circle diameter at roller 8 place connected on bracing frame 1 increases or reduces to adapt to the mounted pipe of different-diameter.Two studs can be exited by rotating double end swivel nut 4 after use completes, rotate swivel nut 6 and make scalable supporting plate and bracing frame 1 separate, thus realize the dismounting of frock, be convenient for carrying；The a whole set of frock of the present invention uses light-weight metal and process for un-metal material to make, and overall weight is less, it is simple to assembles and carries.
nullThe conducting rod assembly tooling of this embodiment is in use，The regulated quantity rotating three double end swivel nuts 4 and three double end swivel nuts of holding respectively is identical，Make three rollers 8 on three bracing frames 1 can completely attach to the inwall of mounted pipe 21，The regulated quantity rotating three swivel nuts 6 and three swivel nuts of holding the most respectively is identical，Adjusting three supporting plates 2 makes three chocks 23 contact with conducting rod 22 to the distance of datum axis，Chock 23 is contained in mounting groove 9 and wedging conducting rod 22，And fasten rope on the draw ring 28 of the one end outside mounting groove 9 stayed by chock 23，Three supporting plates 2 are engagement in the range of accommodation of swivel nut 6 all the time，Now conducting rod 2 is by the wedging of three chocks 23，Will not rock and also will not enclose scope due to what own wt skidded off three supporting plates 2，And the axle center of conducting rod 22 overlaps with datum axis，This completes the centering location of conducting rod 22，Rope is fastened on three bracing frames behind the center of frock body，Frock is put into and mounted pipe 21 promotes conducting rod 22 move to the assembling end end of mounted pipe 21，The assembling post-tensioning running rope rope completing conducting rod 22 makes three chocks 23 depart from from frock main body，Now conducting rod 22 no longer contacts with frock，Pull the rope tied up on frock body that frock is extracted mounted pipe.
The embodiment two of a kind of conducting rod assembly tooling of the present invention: as shown in Figure 10, the supporting plate 2 connected on bracing frame 1 is linear type supporting plate, the mounting groove for installing chock do not offered by supporting plate 2 near the side of conducting rod 22, the roller 8 installed on bracing frame 1 is single roller, other part-structures are identical with embodiment one, do not repeat them here.
The embodiment three of a kind of conducting rod assembly tooling of the present invention: as shown in figure 11, the supporting plate 2 connected on bracing frame 1 is circular arc supporting plate, supporting plate 2 inner concave does not offer the mounting groove for installing chock, the roller 8 installed on bracing frame 1 is two-row roller, and on three bracing frames 1 install be rotating direction universal wheel in the axial direction, roller uses universal wheel to facilitate frock automatic capturing when putting into mounted pipe, and other part-structures are identical with embodiment one, do not repeat them here.
In above-described embodiment, being adjustable connection between adjacent two bracing frames of three bracing frames, in other embodiments, can be non-adjustable connection between adjacent two bracing frames of three bracing frames, now, this frock may be only available for the mounted pipe of same diameter.
In above-described embodiment, realize adjustable connection by adjustable diameter and screw adjusting mechanism between adjacent two bracing frames, in other embodiments, telescopic hydraulic cylinder can be used between adjacent two bracing frames to replace screw thread to realize adjustable connection.
In above-described embodiment, by the adjustable connection of adjustable diameter and screw adjusting mechanism between bracing frame and supporting plate, in other embodiments, supporting plate can directly be connected with bracing frame, and now, this frock may be only available for the conducting rod of same diameter.
In above-described embodiment, end thread connector is oppositely oriented left and right rotation stud, by the left-right rotary stud being articulated with on bracing frame and the double end swivel nut connection connecting two left-right rotary studs between adjacent two bracing frames, in other embodiments, end thread connector can be oppositely oriented left and right rotation swivel nut, i.e. can be with hinged two the left and right rotation swivel nuts offering screwed hole on bracing frame, two adjacent swivel nut thread rotary orientations on adjacent two bracing frames are contrary, and left and right rotation swivel nut offers contrary studs by two ends and connects.
In above-described embodiment, the first threaded connector connected on supporting plate is swivel nut, the second threaded connector connected on bracing frame is threaded post, supporting plate and bracing frame are threaded by swivel nut and threaded post, in other embodiments, the first threaded connector on supporting plate can be threaded post, and the second threaded connector on corresponding bracing frame is swivel nut.
In above-described embodiment, the first threaded connector on supporting plate is rotationally connected with supporting plate, the second threaded connector on bracing frame is connected with bracing frame, in other embodiments, the first threaded connector on supporting plate can be connected with supporting plate, and the second threaded connector on corresponding bracing frame is rotationally connected with bracing frame.
In above-described embodiment, the adjustable diameter and screw adjusting mechanism between adjustable diameter and screw adjusting mechanism and bracing frame and supporting plate between adjacent two bracing frames is two kinds of different structures, in other embodiments, the adjustable diameter and screw adjusting mechanism between adjustable diameter and screw adjusting mechanism and bracing frame and supporting plate between adjacent two bracing frames can use any one, it is also possible to exchanges.
Claims (10)
1. a three points centering conducting rod assembly tooling, it is characterised in that include be distributed on a circumference three
Bracing frame, by regulating the adjustable connection mechanism connection of relative position and lead between adjacent two bracing frames
Cross connection and form an annular frame, on each bracing frame outboard end in annular frame be respectively connected with for quilt
The roller of contact internal walls of body is installed, medial extremity be respectively connected with for be installed on leading of mounted body central
Electric pole contact and the supporting plate of location conducting rod, by scalable supporting plate radially position between described supporting plate and bracing frame
The adjustable connection mechanism put connects, and the side that in three supporting plates, at least supporting plate contacts with conducting rod is provided with
Mounting groove, is equipped with the chock for wedging conducting rod in mounting groove.
Three points centering conducting rod assembly tooling the most according to claim 1, it is characterised in that described supporting plate is
Linear type or V-type or circular arc.
Three points centering conducting rod assembly tooling the most according to claim 1, it is characterised in that each supporting plate
One end is equipped with engaging tooth, and the other end is equipped with engaging groove, and two adjacent supporting plates are by one of them supporting plate
On engaging tooth and another supporting plate on engaging groove engage each other.
Three points centering conducting rod assembly tooling the most according to claim 1, it is characterised in that adjacent two
Realized apart from adjustable releasable connection by adjustable diameter and screw adjusting mechanism between support.
Three points centering conducting rod assembly tooling the most according to claim 4, it is characterised in that adjacent two
Adjustable diameter and screw adjusting mechanism between support include being articulated with the end thread connector on adjacent two bracing frames and
The positive and negative tooth double thread connector of the end coupling on corresponding threaded two the adjacent supports framves in two ends.
Three points centering conducting rod assembly tooling the most according to claim 1, it is characterised in that bracing frame and torr
Realized apart from adjustable releasable connection by adjustable diameter and screw adjusting mechanism between plate.
Three points centering conducting rod assembly tooling the most according to claim 6, it is characterised in that bracing frame and torr
Adjustable diameter and screw adjusting mechanism between plate includes the first threaded connector and the second threaded connector, and supporting plate is near bracing frame
Side connect the first threaded connector, bracing frame connects the second threaded connector near the side of supporting plate, first
Threaded connector and the second threaded connector are threaded connection, the first threaded connector and the second threaded connector
One of them be rotatably connected on correspondence supporting plate and bracing frame on.
8. according to the three points centering conducting rod assembly tooling described in claim 1-7 any one, it is characterised in that
The roller installed on support frame as described above is the single roller or two-row roller extended along conducting rod axis direction, and extremely
Rare row's number of rollers is two or more.
Three points centering conducting rod assembly tooling the most according to claim 8, it is characterised in that three bracing frames
In the roller at least installed on a bracing frame be universal wheel.
Three points centering conducting rod assembly tooling the most according to claim 9, it is characterised in that on described chock
It is provided with the attachment structure for fastening rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324006.4A CN104143790B (en) | 2014-07-08 | 2014-07-08 | Three-point centering conducting rod assembling tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324006.4A CN104143790B (en) | 2014-07-08 | 2014-07-08 | Three-point centering conducting rod assembling tool |
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| CN104143790A CN104143790A (en) | 2014-11-12 |
| CN104143790B true CN104143790B (en) | 2017-01-04 |
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| CN201410324006.4A Active CN104143790B (en) | 2014-07-08 | 2014-07-08 | Three-point centering conducting rod assembling tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104482311B (en) * | 2014-12-10 | 2017-01-04 | 中建三局第一建设工程有限责任公司 | Pipe sleeve coaxial positioning apparatus and the coaxial localization method of pipe sleeve |
| CN108206488A (en) * | 2016-12-20 | 2018-06-26 | 天津绪阳本华科技有限公司 | A kind of wife's lined cable guide structures |
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| CN103280741A (en) * | 2013-04-25 | 2013-09-04 | 国家电网公司 | Conducting rod mounting device |
| CN204068074U (en) * | 2014-07-08 | 2014-12-31 | 国家电网公司 | A kind of three points centering conducting rod assembling device |
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2014
- 2014-07-08 CN CN201410324006.4A patent/CN104143790B/en active Active
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|---|---|---|---|---|
| US3114815A (en) * | 1959-11-18 | 1963-12-17 | Westinghouse Electric Corp | Fluid-blast circuit interrupter with improved current-transformer housing means |
| KR20010008307A (en) * | 2000-11-22 | 2001-02-05 | 조규삼 | A bushing attached on the low-voltage side and the high voltage side of an electric pole transformer |
| CN103280740A (en) * | 2013-04-25 | 2013-09-04 | 国家电网公司 | Installation tool of conducting rods |
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