CN216250204U - Adjustable equalizing ring for ultra-high voltage transmission line - Google Patents
Adjustable equalizing ring for ultra-high voltage transmission line Download PDFInfo
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- CN216250204U CN216250204U CN202122396930.1U CN202122396930U CN216250204U CN 216250204 U CN216250204 U CN 216250204U CN 202122396930 U CN202122396930 U CN 202122396930U CN 216250204 U CN216250204 U CN 216250204U
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- ring
- fixing frame
- locking
- ring body
- transmission line
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Abstract
The utility model discloses an adjustable grading ring of an extra-high voltage transmission line, which comprises: the device comprises a ring body, wherein a first fixing frame is arranged above the ring body, a second fixing frame is arranged on the left side of the first fixing frame, and the second fixing frame and the first fixing frame are consistent in composition structure; the support is installed at the two ends of the connecting plate of the second fixing frame, one end, far away from the connecting plate, of the support is fixedly arranged with the dismounting ring, and the dismounting ring is installed on the ring body. This grading ring with adjustable extra-high voltage transmission line, the dismouting ring at second mount through its both ends is installed on the ring body, is connected through the buckle between dismouting ring and the ring body, replaces the use welded fastening's that mentions mode among the background art, guarantees outside the compactness of being connected between second mount and the ring body, is convenient for change work to second mount or ring body after the deformation, is divided into three with this device simultaneously, is convenient for carry and accomodate this device.
Description
Technical Field
The utility model relates to the field of overhead transmission line electric power fittings, in particular to an adjustable grading ring of an ultra-high voltage transmission line.
Background
The current newly-built Changji-ancient spring +/-1100 kilovolt high-voltage direct-current transmission project is an ultra-high-voltage transmission project which has the highest voltage level, the largest transmission capacity, the farthest transmission distance and the most advanced technical level in the world at present.
The overhead transmission line has longer and longer insulator strings along with the rise of the voltage grade, and the voltage distribution of the overhead transmission line is more uneven; the voltage distribution of the line insulator string is generally in a U-shaped curve distribution, the two ends of the insulator bear higher voltage, and the middle insulator bears lower voltage; partial discharge is generated and developed from a place with high local field intensity, the insulator with the highest bearing voltage is easy to discharge firstly and gradually develops into flashover, and the problem is solved by adopting a method of adding a grading ring in the prior art.
Through the retrieval, the patent with the publication number CN206864253U discloses a high anti-corona adjustable grading ring of a +/-1100 kV extra-high voltage direct current transmission line, it is proposed that "the C-shaped ring body 1 is connected with connecting plates 3 through supports 2 respectively, the connecting plates 3 on both sides are symmetrically arranged, a plurality of pairs of threaded holes 4 which are arranged at equal intervals along the width direction are arranged on the connecting plates 3, each pair of threaded holes 4 comprises two threaded holes which are symmetrically arranged, a group of insulator string mounting holes are formed by an adjacent pair of threaded holes, so that different mounting holes can be selected along the width direction of the connecting plates for the insulator string to be mounted, the mounting positions of the insulator string are adjusted, the C-shaped ring body is connected with the connecting plates through supports respectively, a welding fixing mode is generally used between the supports and the connecting plates, and the clamping ring is very inconvenient in mounting and carrying.
In view of the above, the present invention has been made in view of the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable grading ring for an extra-high voltage transmission line, which aims to overcome the defects in the background technology.
In order to realize the above-mentioned purpose, provide an equalizer ring with adjustable extra-high voltage transmission line, include:
the device comprises a ring body, wherein a first fixing frame is arranged above the ring body, a second fixing frame is arranged on the left side of the first fixing frame, and the second fixing frame and the first fixing frame are consistent in composition structure;
the support is installed at the two ends of the connecting plate of the second fixing frame, one end, far away from the connecting plate, of the support is fixedly arranged with the dismounting ring, and the dismounting ring is installed on the ring body.
Preferably, the second mount includes dismouting ring, support, connecting plate and fixing bolt, and the second mount is installed on the ring body through the dismouting ring at its both ends, and the dismouting ring is detachable construction on the ring body simultaneously, installs fixing bolt on the connecting plate.
Preferably, the disassembly and assembly ring comprises an upper mounting ring, a hinge, a lower fixing ring, a locking plate and a locking structure, the upper mounting ring is movably connected with the lower fixing ring through the hinge, one end, far away from the hinge, of the lower fixing ring is fixedly arranged on the locking plate, and a rubber pad is fixedly arranged on the inner side surface of the locking plate.
Preferably, the upper mounting ring covers the upper side of the ring body, the lower fixing ring covers the lower side of the ring body, and the upper mounting ring and the lower fixing ring are limited and fixed through a locking plate and a locking structure.
Preferably, the locking structure includes a pressing block, a limiting column, a transmission plate, a guide rod, a return spring, a mounting groove, a locking block and a locking groove.
Preferably, the mounting groove sets up inside last collar right-hand member, and the mounting groove is inside to be fixed and to be provided with two sets of guide bars, and reset spring has all been cup jointed in the two sets of guide bars outsides, and two sets of guide bars are pegged graft respectively in two sets of guiding holes of seting up inside the driving plate.
Preferably, according to the fixed setting of pressing block bottom and spacing post, and spacing post is kept away from the one end of pressing the block and is set up with the driving plate is fixed, and the locking piece is installed to the upper right side of driving plate, and the locking piece tip is pegged graft inside the locked groove, and the locked groove sets up the bottom surface at the locked plate.
Compared with the prior art, the utility model has the beneficial effects that: the second mount is installed on the ring body through the dismouting ring at its both ends, is connected through the buckle between dismouting ring and the ring body, replaces the use welded fastening's that mentions among the background art mode, guarantees outside the compactness of being connected between second mount and the ring body, is convenient for change work to second mount or ring body after the deformation, is divided into three with this device simultaneously, is convenient for carry and accomodate this device.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic view of the locking structure of the present invention;
FIG. 4 is a schematic view of a pressing block of FIG. 3 according to the present invention;
FIG. 5 is a three-dimensional view of the connecting structure of the driving plate of the present invention.
Reference numbers in the figures: 1. a ring body; 2. a first fixing frame; 3. a second fixing frame; 31. disassembling and assembling the ring; 311. an upper mounting ring; 312. a hinge; 313. a lower fixing ring; 314. a locking plate; 315. a locking structure; 3151. a pressing block; 3152. a limiting column; 3153. a drive plate; 3154. a guide bar; 3155. a return spring; 3156. mounting grooves; 3157. a locking block; 3158. locking the groove; 32. a support; 33. a connecting plate; 34. and (5) fixing the bolt.
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. 1-5, the utility model provides an adjustable grading ring for an extra-high voltage transmission line, comprising: the ring body 1 and the second fixing frame 3;
a first fixing frame 2 is arranged above the ring body 1, a second fixing frame 3 is arranged on the left side of the first fixing frame 2, and meanwhile the second fixing frame 3 and the first fixing frame 2 are consistent in composition structure;
When installing second mount 3 on ring body 1, second mount 3 installs on ring body 1 through the dismouting ring 31 at its both ends this moment, be connected through the buckle between dismouting ring 31 and the ring body 1, replace the use welded fastening's that mentions among the background art mode, guarantee outside the compactness of being connected between second mount 3 and the ring body 1, be convenient for change work to second mount 3 or ring body 1 after the deformation, divide this device into three simultaneously, be convenient for carry and accomodate this device.
As a preferred embodiment, the second fixing frame 3 includes a dismounting ring 31, a bracket 32, a connecting plate 33 and a fixing bolt 34, and the second fixing frame 3 is installed on the ring body 1 through the dismounting ring 31 at both ends thereof, while the dismounting ring 31 is a detachable structure on the ring body 1, and the fixing bolt 34 is installed on the connecting plate 33.
The mounting mode between the second fixing frame 3 and the ring body 1 is consistent with the mounting mode between the first fixing frame 2 and the ring body 1, the second fixing frame 3 and the first fixing frame 2 are connected through two groups of fixing bolts 34, and the stability of connection between the second fixing frame 3 and the first fixing frame 2 is guaranteed.
As a preferred embodiment, the detachable ring 31 includes an upper mounting ring 311, a hinge 312, a lower fixing ring 313, a locking plate 314 and a locking structure 315, wherein the upper mounting ring 311 and the lower fixing ring 313 are movably connected by the hinge 312, an end of the lower fixing ring 313 far from the hinge 312 is fixedly disposed on the locking plate 314, and a layer of rubber pad is fixedly disposed on an inner side surface of the locking plate 314.
As shown in fig. 2: the inner side surface of the locking plate 314 is fixedly provided with a layer of rubber pad, when the lower fixing ring 313 is operated, the lower fixing ring 313 is separated from the lower part of the ring body 1, and the rubber pad contacted with the outer wall of the ring body 1 is squeezed and deformed, so that the lower fixing ring 313 is conveniently separated from the ring body 1.
In a preferred embodiment, the upper mounting ring 311 covers the upper side of the ring body 1, the lower fixing ring 313 covers the lower side of the ring body 1, and the upper mounting ring 311 and the lower fixing ring 313 are fixed in a limited manner by the locking plate 314 and the locking structure 315.
As a preferred embodiment, the locking structure 315 includes a pressing block 3151, a stopper 3152, a driving plate 3153, a guide rod 3154, a return spring 3155, a mounting groove 3156, a locking block 3157, and a locking groove 3158.
As shown in fig. 3-4: when the locking structure 315 works, the pressing block 3151 is pressed, and at this time, the pressing block 3151 drives the limiting post 3152 to move downward, so that the limiting post 3152 drives the locking block 3157 to move downward through the transmission plate 3153, so that the locking block 3157 is separated from the inside of the locking groove 3158, and the limiting release work of the locking plate 314 is completed.
As a better embodiment, the mounting groove 3156 is disposed inside the right end of the upper mounting ring 311, and two sets of guide rods 3154 are fixedly disposed inside the mounting groove 3156, the outer sides of the two sets of guide rods 3154 are all sleeved with the return spring 3155, and the two sets of guide rods 3154 are respectively inserted into two sets of guide holes formed inside the transmission plate 3153.
As shown in fig. 4: when the transmission plate 3153 vertically moves in the mounting groove 3156, two groups of guide rods 3154 are inserted into the surface of the transmission plate 3153, and the arrangement of the guide rods 3154 can limit and guide the transmission plate 3153 in the lifting process, so that the transmission plate 3153 is prevented from inclining in the lifting process.
As a preferred embodiment, the bottom of the pressing block 3151 is fixed to the position-limiting post 3152, one end of the position-limiting post 3152, which is far away from the pressing block 3151, is fixed to the transmission plate 3153, the right upper side of the transmission plate 3153 is provided with a locking block 3157, the end of the locking block 3157 is inserted into the locking groove 3158, and the locking groove 3158 is disposed on the bottom surface of the locking plate 314.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an equalizer ring with adjustable extra-high voltage transmission line which characterized in that includes:
the ring body (1), a first fixing frame (2) is installed above the ring body (1), a second fixing frame (3) is installed on the left side of the first fixing frame (2), and meanwhile the second fixing frame (3) is consistent with the first fixing frame (2) in composition structure;
the support is characterized by comprising a second fixing frame (3), wherein supports (32) are mounted at two ends of a connecting plate (33) of the second fixing frame (3), one end, far away from the connecting plate (33), of each support (32) is fixedly arranged with a dismounting ring (31), and the dismounting ring (31) is mounted on a ring body (1) simultaneously.
2. The adjustable grading ring of the extra-high voltage transmission line according to claim 1, characterized in that: the second fixing frame (3) comprises a dismounting ring (31), a support (32), a connecting plate (33) and a fixing bolt (34), the second fixing frame (3) is installed on the ring body (1) through the dismounting ring (31) at the two ends of the second fixing frame, the dismounting ring (31) is of a detachable structure on the ring body (1), and the fixing bolt (34) is installed on the connecting plate (33).
3. The adjustable grading ring of the extra-high voltage transmission line according to claim 2, characterized in that: the disassembly and assembly ring (31) comprises an upper mounting ring (311), a hinge (312), a lower fixing ring (313), a locking plate (314) and a locking structure (315), the upper mounting ring (311) is movably connected with the lower fixing ring (313) through the hinge (312), one end, far away from the hinge (312), of the lower fixing ring (313) is fixedly arranged with the locking plate (314), and a rubber pad is fixedly arranged on the inner side surface of the locking plate (314).
4. The adjustable grading ring of the extra-high voltage transmission line according to claim 3, wherein: the upper mounting ring (311) covers the upper side of the ring body (1), the lower fixing ring (313) covers the lower side of the ring body (1), and the upper mounting ring (311) and the lower fixing ring (313) are limited and fixed through the locking plate (314) and the locking structure (315).
5. The adjustable grading ring of the extra-high voltage transmission line according to claim 4, wherein: the locking structure (315) comprises a pressing block (3151), a limiting column (3152), a transmission plate (3153), a guide rod (3154), a return spring (3155), an installation groove (3156), a locking block (3157) and a locking groove (3158).
6. The adjustable grading ring of the extra-high voltage transmission line according to claim 5, wherein: the mounting groove (3156) is arranged inside the right end of the upper mounting ring (311), two groups of guide rods (3154) are fixedly arranged inside the mounting groove (3156), the outer sides of the two groups of guide rods (3154) are respectively sleeved with a return spring (3155), and the two groups of guide rods (3154) are respectively inserted into two groups of guide holes formed inside the transmission plate (3153).
7. The adjustable grading ring of the extra-high voltage transmission line according to claim 5, wherein: the bottom of the pressing block (3151) and the limiting column (3152) are fixedly arranged, one end, far away from the pressing block (3151), of the limiting column (3152) is fixedly arranged with the transmission plate (3153), the right upper side of the transmission plate (3153) is provided with the locking block (3157), the end part of the locking block (3157) is inserted into the locking groove (3158), and the locking groove (3158) is formed in the bottom surface of the locking plate (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122396930.1U CN216250204U (en) | 2021-09-30 | 2021-09-30 | Adjustable equalizing ring for ultra-high voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122396930.1U CN216250204U (en) | 2021-09-30 | 2021-09-30 | Adjustable equalizing ring for ultra-high voltage transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250204U true CN216250204U (en) | 2022-04-08 |
Family
ID=80985032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122396930.1U Active CN216250204U (en) | 2021-09-30 | 2021-09-30 | Adjustable equalizing ring for ultra-high voltage transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250204U (en) |
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2021
- 2021-09-30 CN CN202122396930.1U patent/CN216250204U/en active Active
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