CN211949855U - Three-way cross arm steel pipe pole for double-circuit overhead line breaking - Google Patents
Three-way cross arm steel pipe pole for double-circuit overhead line breaking Download PDFInfo
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- CN211949855U CN211949855U CN202020493226.0U CN202020493226U CN211949855U CN 211949855 U CN211949855 U CN 211949855U CN 202020493226 U CN202020493226 U CN 202020493226U CN 211949855 U CN211949855 U CN 211949855U
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- locking screw
- arc
- retainer plate
- fixing ring
- cross arm
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Abstract
The utility model discloses a two return overhead line three-dimensional cross arm steel-pipe pole for breaking, including mobile jib and arc mount, the upper end ring-type distribution of mobile jib has first locking screw and second locking screw, and first locking screw and second locking screw run through respectively have last retainer plate and lower retainer plate to through nut locking, be connected with the round bracing piece on the mobile jib between first locking screw and the second locking screw, be connected with the spacing crown plate on the outer wall of going up the retainer plate. This two return overhead line is disconnected with three-dimensional cross arm steel pipe pole fixes the arc mount through last retainer plate and retainer plate down, and goes up the retainer plate and be the component that three arc combinations formed with retainer plate down, and easy installation, first locking screw, second locking screw and bracing piece homoenergetic in addition support retainer plate and lower retainer plate, stable in structure, the arc mount can rotate before fixed, can adjust the position of arc mount.
Description
Technical Field
The utility model relates to a two return circuit's overhead line circuit construction technical field when breaking specifically is a two return overhead line open and use three-dimensional cross arm steel-pipe pole.
Background
In the prior art, a new tower is introduced into a double-circuit overhead line after the double-circuit overhead line is disconnected, the original line needs to be modified, two-base iron towers at the front side and the rear side of the disconnected gear are dismantled, and a two-base tension tower is newly built, so that the engineering quantity is large, the construction cost is high, and the construction period is long; after an original iron tower is dismantled, a new tower position needs to be searched again, and the search of meeting the design conditions is complicated by using a newly-built two-base tower, but under the condition of shortage of suburban land, the search of the new tower position before and after the original tower position is difficult; after the line is disconnected, three new towers form a triangular distribution, which results in the increase of line corridors, possibly increases cross spanning, has high difficulty in erecting wires, and also results in the increase of ground acquisition cost and claims difficulty of tower foundations.
Chinese patent CN209942341U discloses a line structure of a double-loop overhead line during disconnection, and particularly discloses a three-way cross arm steel pipe pole for disconnection of a double-loop overhead line, which is structurally characterized by comprising a main pole, a G1 cross arm connected with a non-disconnected conducting wire, a G2 cross arm and a G3 cross arm which are respectively connected with two ends of the disconnected conducting wire and have equal length; one end of each of the three groups of cross arms is connected with the main rod through a flange, and the G1 cross arm is arranged perpendicular to the non-break lead; in an isosceles triangle formed by using the G2 cross arm and the G3 cross arm as waist lines, the height on the bottom side is as long as that of the G1 cross arm; the end part of each group of cross arms is provided with a wire hanging plate and a jumper wire hanging plate, the wire hanging plate is connected with a wire led from the original tower, and the jumper wire hanging plate is connected with a wire led from a new tower; the main rod is positioned between the original towers on the two sides of the cut-off line, and the top of the main rod is provided with a ground wire support. The towers on the original old lines are not required to be dismantled, so that the engineering quantity and the construction cost are greatly reduced, and the line corridor area is greatly reduced; meanwhile, the installation is convenient and flexible, and the selection of various tower positions can be matched.
Although the problem in the background art has been solved to a certain extent in this application, the flange is adopted in the connection of cross arm and mobile jib in this application, and the rigidity of flange is fixed, and after the lower extreme rigidity of mobile jib, can not adjust the flange angle of upper end, during the installation, certain error probably exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two return overhead line open and shut and use three-dimensional cross arm steel-pipe pole has easy installation, and the problem among the prior art has been solved to the advantage of convenient regulation.
In order to achieve the above object, the utility model provides a following technical scheme: a three-way cross arm steel pipe pole for double-circuit overhead line breaking comprises a main pole and an arc-shaped fixing frame, wherein a first locking screw and a second locking screw are annularly distributed at the upper end of the main pole, the first locking screw and the second locking screw respectively penetrate through an upper fixing ring and a lower fixing ring and are locked through nuts, a circle of supporting rod is connected on the main pole between the first locking screw and the second locking screw, a limit ring plate is connected on the outer wall of the upper fixing ring, a fixing plate is fixedly connected at the lower end of the limit ring plate, a fixing bolt is meshed on the fixing plate, a clamping strip is connected at the lower end of the upper fixing ring, a groove is formed at one end of the arc-shaped fixing frame, a clamping block is connected at the other end of the arc-shaped fixing frame, bolt holes are symmetrically formed in two sides of the arc-shaped fixing frame, a convex block is connected, the flange is connected with a cross arm rod.
Preferably, the lower fixing ring and the upper fixing ring have the same structure, the upper fixing ring and the lower fixing ring are symmetrically arranged, and the lower fixing ring and the upper fixing ring are respectively provided with mounting holes matched with the first locking screw and the second locking screw.
Preferably, the clamping strip on the lower fixing ring is in staggered clamping with the clamping strip on the upper fixing ring, a through hole is formed in the clamping strip, and the supporting rod penetrates through the through hole.
Preferably, the limiting ring plates and the fixing plates on the upper fixing ring and the lower fixing ring jointly enclose a sliding groove, and the sliding groove is movably connected with the arc-shaped fixing frame.
Preferably, the lower fixing ring and the upper fixing ring are respectively provided with a threaded hole at the position corresponding to the fixing bolt.
Preferably, the upper fixing ring and the lower fixing ring are members formed by combining three arc-shaped plates, and the arc-shaped plates are in head-to-tail lap joint.
Preferably, the number of the arc-shaped fixing frames is three, and two ends of the three arc-shaped fixing frames are connected with the clamping blocks through the grooves in an overlapping mode.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this two times overhead line is disconnected and is used three-dimensional cross arm steel pipe pole, fix the arc mount through last retainer plate and lower retainer plate, and go up the retainer plate and be the component that three arc combinations formed with lower retainer plate, easy installation, in addition first locking screw, second locking screw and bracing piece homoenergetic support last retainer plate and lower retainer plate, stable in structure, the arc mount is before fixed, can rotate, according to the direction of installation line, can adjust the position of arc mount, after position adjustment is good, through fixing bolt locking, moreover, the steam generator is simple in structure, easy fixing, and can be according to the installation needs, the adjustment, reduce the error, improve the installation accuracy.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a partial top view of the present invention;
fig. 4 is a partial front view of the present invention;
FIG. 5 is a connection structure diagram of the upper fixing ring and the lower fixing ring of the present invention;
fig. 6 is a structural view of the arc-shaped fixing frame of the present invention.
In the figure: 1. a main rod; 11. a first locking screw; 12. a second locking screw; 13. a support bar; 2. an upper retainer ring; 21. a limit ring plate; 22. a fixing plate; 23. fixing the bolt; 24. clamping the strip; 241. a through hole; 3. a lower retainer ring; 4. an arc-shaped fixing frame; 41. a groove; 42. a clamping block; 43. bolt holes; 44. a protruding block; 45. a flange; 5. a transverse arm rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a three-way cross arm steel pipe pole for breaking a double-circuit overhead line comprises a main pole 1 and an arc-shaped fixing frame 4, wherein a first locking screw 11 and a second locking screw 12 are annularly distributed at the upper end of the main pole 1, the first locking screw 11 and the second locking screw 12 respectively penetrate through an upper fixing ring 2 and a lower fixing ring 3 and are locked by nuts, the lower fixing ring 3 and the upper fixing ring 2 have the same structure, the upper fixing ring 2 and the lower fixing ring 3 are symmetrically arranged, the upper fixing ring 2 and the lower fixing ring 3 are respectively fixed at the upper end and the lower end of the arc-shaped fixing frame 4, mounting holes matched with the first locking screw 11 and the second locking screw 12 are respectively formed in the lower fixing ring 3 and the upper fixing ring 2, the first locking screw 11 and the second locking screw 12 are respectively connected with the upper fixing ring 2 and the lower fixing ring 3 by the mounting holes and are fixed by the locking nuts, a circle of support rods 13 are connected on the main rod 1 between the first locking screw 11 and the second locking screw 12, the outer wall of the upper fixing ring 2 is connected with a limit ring plate 21, the lower end of the limit ring plate 21 is fixedly connected with a fixing plate 22, a fixing bolt 23 is meshed on the fixing plate 22, threaded holes are respectively arranged on the positions of the lower fixing ring 3 and the upper fixing ring 2 corresponding to the fixing bolt 23, the fixing bolt 23 penetrates through the bolt hole 43 and the threaded hole in sequence after being screwed, the arc-shaped fixing frame 4 is positioned to prevent the arc-shaped fixing frame 4 from rotating, the lower end of the upper fixing ring 2 is connected with clamping strips 24, the clamping strips 24 on the lower fixing ring 3 are clamped with the clamping strips 24 on the upper fixing ring 2 in a staggered manner, the clamping strips 24 connect the upper fixing ring 2 and the lower fixing ring 3 into a whole, through holes 241 are arranged on the clamping strips 24, the support rods 13 penetrate through the through holes 241, the support rods 13 fixedly support, improve the fastness of support, go up retainer plate 2 and the spacing ring plate 21 and the fixed plate 22 on the retainer plate 3 down and enclose into the spout jointly, spout and 4 swing joint of arc mount, arc mount 4 can be at the spout internal rotation for the position of adjustment arc mount 4, go up retainer plate 2 and retainer plate 3 down and be the component that three arcs formed by the combination, and the arc head and the tail overlap joint, adopt the mode of equipment to constitute retainer plate 2 and lower retainer plate 3, easy to assemble and dismantlement.
Referring to fig. 6, a groove 41 is formed in one end of the arc-shaped fixing frame 4, a clamping block 42 is connected to the other end of the arc-shaped fixing frame 4, bolt holes 43 are symmetrically formed in two sides of the arc-shaped fixing frame 4, a protruding block 44 is connected to the outer wall of the arc-shaped fixing frame 4, a flange 45 is fixedly connected to one end of the protruding block 44, a cross arm rod 5 is connected to the flange 45, the number of the arc-shaped fixing frames 4 is three, two ends of the three arc-shaped fixing frames 4 are overlapped with the clamping block 42 through the groove 41, installation is facilitated, the groove 41 and the clamping block 42 are overlapped and clamped to form a complete annular fixing.
The working process is as follows: when the device is used, the second locking screw rods 12 respectively penetrate through the lower fixing ring 3 and are locked through nuts, the supporting rods 13 penetrate through the through holes 241, the lower fixing ring 3 is connected with the side wall of the main rod 1, the arc-shaped fixing frames 4 are sequentially placed into the lower fixing ring 3, under the action of the limiting ring plate 21 and the fixing plate 22, the upper fixing ring 2 is connected with the first locking screw rods 11 at the position of the arc-shaped fixing frames 4, the clamping strips 24 on the lower fixing ring 3 are in staggered clamping with the clamping strips 24 on the upper fixing ring 2, the clamping strips 24 connect the upper fixing ring 2 and the lower fixing ring 3 into a whole, the arc-shaped fixing frames 4 cannot be separated from the sliding grooves in the sliding grooves, the main rod 1 is sequentially connected and fixes the lower end of the main rod 1, the cross arm 5 is connected with the flange 45, when the device is installed, the arc-shaped fixing frames 4 can be rotated according to the angle of the connecting line between the original towers, and, after the adjustment, the fixing bolt 23 is screwed into the bolt hole 43 and the threaded hole to fix the position of the arc-shaped fixing frame 4, and the first locking screw 11, the second locking screw 12 and the support rod 13 can support the upper fixing ring 2 and the lower fixing ring 3, so that the structure is stable.
In summary, the following steps: this two times overhead line is disconnected and is used three-dimensional cross arm steel pipe pole, fix arc mount 4 through last retainer plate 2 and lower retainer plate 3, and go up retainer plate 2 and lower retainer plate 3 and be the component that three arc boards combined and form, easy installation, in addition first locking screw 11, second locking screw 12 and bracing piece 13 homoenergetic support last retainer plate 2 and lower retainer plate 3, stable in structure, arc mount 4 is before fixed, can rotate, according to the direction of installation line, can adjust the position of arc mount 4, after position adjustment, lock through fixing bolt 23, moreover, the steam generator is simple in structure, easy fixing, and can be according to the installation needs, the adjustment, reduce the error, improve the installation accuracy.
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 (7)
1. The utility model provides a two return overhead line three-dimensional cross arm steel pipe pole for breaking, includes mobile jib (1) and arc mount (4), its characterized in that: the upper end of the main rod (1) is annularly distributed with a first locking screw (11) and a second locking screw (12), the first locking screw (11) and the second locking screw (12) are respectively penetrated with an upper fixing ring (2) and a lower fixing ring (3) and locked by nuts, a circle of support rod (13) is connected on the main rod (1) between the first locking screw (11) and the second locking screw (12), the outer wall of the upper fixing ring (2) is connected with a limit ring plate (21), the lower end of the limit ring plate (21) is fixedly connected with a fixing plate (22), a fixing bolt (23) is meshed on the fixing plate (22), the lower end of the upper fixing ring (2) is connected with a clamping strip (24), one end of the arc-shaped fixing frame (4) is provided with a groove (41), the other end of the arc-shaped fixing frame (4) is connected with a clamping block (42), bolt holes (43) are symmetrically arranged on two sides of the arc-, the outer wall of the arc-shaped fixing frame (4) is connected with a convex block (44), one end of the convex block (44) is fixedly connected with a flange (45), and the flange (45) is connected with a cross arm rod (5).
2. The three-way cross arm steel pipe pole for opening and closing the double-circuit overhead line according to claim 1, characterized in that: lower retainer plate (3) are the same with the structure of last retainer plate (2), and go up retainer plate (2) and set up with lower retainer plate (3) symmetry, offer respectively on lower retainer plate (3) and last retainer plate (2) with first locking screw (11) and second locking screw (12) assorted mounting hole.
3. The three-way cross arm steel pipe pole for opening and closing the double-circuit overhead line according to claim 2, characterized in that: the clamping strip (24) on the lower fixing ring (3) is in staggered clamping with the clamping strip (24) on the upper fixing ring (2), a through hole (241) is formed in the clamping strip (24), and the supporting rod (13) penetrates through the through hole (241).
4. The three-way cross arm steel pipe pole for opening and closing the double-circuit overhead line according to claim 1, characterized in that: the upper fixing ring (2) and the lower fixing ring (3) are provided with limiting ring plates (21) and fixing plates (22) which jointly enclose a sliding groove, and the sliding groove is movably connected with the arc-shaped fixing frame (4).
5. The three-way cross arm steel pipe pole for opening and closing the double-circuit overhead line according to claim 1, characterized in that: and threaded holes are formed in the positions, corresponding to the fixing bolts (23), of the lower fixing ring (3) and the upper fixing ring (2) respectively.
6. The three-way cross arm steel pipe pole for opening and closing the double-circuit overhead line according to claim 1, characterized in that: the upper fixing ring (2) and the lower fixing ring (3) are members formed by combining three arc-shaped plates, and the arc-shaped plates are in head-to-tail lap joint.
7. The three-way cross arm steel pipe pole for opening and closing the double-circuit overhead line according to claim 1, characterized in that: the number of the arc-shaped fixing frames (4) is three, and two ends of the three arc-shaped fixing frames (4) are connected with the clamping blocks (42) in an overlapping mode through the grooves (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493226.0U CN211949855U (en) | 2020-04-07 | 2020-04-07 | Three-way cross arm steel pipe pole for double-circuit overhead line breaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493226.0U CN211949855U (en) | 2020-04-07 | 2020-04-07 | Three-way cross arm steel pipe pole for double-circuit overhead line breaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211949855U true CN211949855U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020493226.0U Expired - Fee Related CN211949855U (en) | 2020-04-07 | 2020-04-07 | Three-way cross arm steel pipe pole for double-circuit overhead line breaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211949855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336493A (en) * | 2021-12-14 | 2022-04-12 | 中国电建集团河北省电力勘测设计研究院有限公司 | High-voltage transmission cable terminal pole for parallel distribution network lines and construction method thereof |
-
2020
- 2020-04-07 CN CN202020493226.0U patent/CN211949855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336493A (en) * | 2021-12-14 | 2022-04-12 | 中国电建集团河北省电力勘测设计研究院有限公司 | High-voltage transmission cable terminal pole for parallel distribution network lines and construction method thereof |
| CN114336493B (en) * | 2021-12-14 | 2024-03-08 | 中国电建集团河北省电力勘测设计研究院有限公司 | Construction method for high-voltage transmission cable terminal rod of parallel-frame distribution network line |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |