CN112466706A - Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker - Google Patents

Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker Download PDF

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Publication number
CN112466706A
CN112466706A CN202011361537.2A CN202011361537A CN112466706A CN 112466706 A CN112466706 A CN 112466706A CN 202011361537 A CN202011361537 A CN 202011361537A CN 112466706 A CN112466706 A CN 112466706A
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CN
China
Prior art keywords
bushing
circuit breaker
voltage circuit
grooves
outdoor high
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011361537.2A
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Chinese (zh)
Inventor
谭巧
贺德华
林火养
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Minjiang University
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Minjiang University
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Application filed by Minjiang University filed Critical Minjiang University
Priority to CN202011361537.2A priority Critical patent/CN112466706A/en
Publication of CN112466706A publication Critical patent/CN112466706A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/025Terminal arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The invention relates to the technical field of high-voltage circuit breakers, in particular to a sleeve structure of an outdoor high-voltage circuit breaker and the outdoor high-voltage circuit breaker. The problem of exist outdoor high voltage circuit breaker's incoming line terminal and leading-out terminal among the prior art directly stretch out from the casing and be used for the wiring, the structure creepage distance is shorter and the security is not high is solved.

Description

Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker
Technical Field
The invention relates to the technical field of high-voltage circuit breakers, in particular to a sleeve structure of an outdoor high-voltage circuit breaker and the outdoor high-voltage circuit breaker.
Background
The high-voltage circuit breaker can not only cut off or close the no-load current and the load current in the high-voltage circuit, but also cut off the overload current and the short-circuit current through the action of the relay protection device when the system has a fault, and the high-voltage circuit breaker has quite perfect arc extinguishing structure and enough current breaking capacity, is an outdoor high-voltage circuit breaker which is a control protection device in a three-phase AC high-voltage distribution network with rated voltage of 24KV and 50HZ, is mainly used for cutting off and closing the load current, the overload current and the short-circuit current in a power line, and is suitable for being used for protection and control in distribution systems of substations and industrial and mining enterprises;
however, the existing outdoor high-voltage circuit breaker has the structure that the incoming line terminal and the outgoing line terminal directly extend out of the shell for wiring, so that the creepage distance is short and the safety is not high.
Disclosure of Invention
The invention aims to provide a sleeve structure of an outdoor high-voltage circuit breaker and the outdoor high-voltage circuit breaker, and solves the problems that in the prior art, an incoming terminal and an outgoing terminal of the outdoor high-voltage circuit breaker directly extend out of a shell for wiring, the structure creepage distance is short, and the safety is low.
The technical scheme of the invention is as follows: the utility model provides an outdoor high voltage circuit breaker's bushing structure, includes the circuit breaker casing, the sleeve pipe is installed at the top of circuit breaker casing, sheathed tube lower extreme is connected with the circuit breaker casing through kayser mechanism, and the intraductal centre gripping arm that is provided with a pair of looks adaptation of drive is provided with the adjustment mechanism that a pair of centre gripping arm opposite directions of drive was used for realizing that the terminal on the circuit breaker casing is held by the centre gripping on the sleeve pipe.
Further, the latch mechanism is including offering the spread groove on the inner wall of sleeve pipe lower part both sides, equal slidable mounting has the movable plate in the spread groove, the lower part of movable plate stretches into respectively and offers in the recess at circuit breaker casing top, and the equal fixed mounting in a side that two movable plates kept away from each other has the inserted block, all offer on recess and the corresponding inner wall of inserted block and be used for the inserted slot of inserted block, be provided with the actuating mechanism who drives the movable plate removal respectively on the sleeve pipe.
Furthermore, the driving mechanism comprises a threaded hole transversely arranged on the moving plate and a lead screw transversely screwed on the threaded hole, one end of the lead screw is rotatably connected with the sleeve and penetrates out of the sleeve, and a rotating wheel is fixed on the end part of the lead screw penetrating out of the sleeve.
Furthermore, a guide hole is transversely formed in the moving plate, and a fixing rod with one end fixedly connected with the inner wall of the connecting groove is slidably mounted in the guide hole.
Furthermore, the upper side wall, the lower side wall, the front side wall or the rear side wall of the moving plate are provided with compression spring grooves, the compression spring grooves are internally and slidably provided with arc-shaped fixture blocks, one ends of the arc-shaped fixture blocks are fixedly provided with compression springs, the other ends of the compression springs are fixedly connected to the inner walls of the compression spring grooves, and the connecting grooves and the inner walls corresponding to the compression spring grooves are provided with two arc-shaped grooves at intervals along the transverse direction.
Further, adjustment mechanism is including setting up in the slide opening of sleeve pipe both sides inner wall, slidable mounting has the threaded rod in the slide opening respectively, and the one end that two threaded rods are close to each other all with the centre gripping arm fixed connection that corresponds, threaded rod wear out on the sheathed tube tip equal threaded connection have adjusting nut, adjusting nut rotates respectively and installs in the sleeve pipe both sides, all is provided with guiding mechanism between a pair of centre gripping arm and the sheathed tube inner wall.
Further, guiding mechanism includes the square board of fixed mounting on the side that the centre gripping arm kept away from each other, all set up on the sheathed tube both sides inner wall with the square board sliding connection's that corresponds square groove, be provided with synchronous link gear between the two square boards on a pair of centre gripping arm.
Further, synchronous link gear includes the rack of horizontal fixed mounting on square piece, fixed chamber has transversely been seted up to sheathed tube one side wall, fixed intracavity transversely rotates and installs the round bar, and the both sides portion in fixed chamber is provided with the connecting hole that is linked together with the square groove that corresponds respectively, all install the control lever in the connecting hole, the one end of control lever is fixed with the gear with rack engaged with, the both ends of round bar are all fixed mounting have first bevel gear, and the other end of two control levers is all fixed mounting has the second bevel gear, the second bevel gear meshes with the first bevel gear that corresponds mutually.
Further, the spring groove has been seted up on adjusting nut and sleeve pipe matched with lateral wall, slidable mounting has the gag lever post in the spring groove, has seted up on the inner wall in spring groove and has removed the hole, it has the slide bar of one end fixed connection on the gag lever post to remove downthehole slidable mounting, the other end fixed mounting of slide bar has the pull ring, and the cover is equipped with the spring that is located the spring inslot on the slide bar, a plurality of spacing grooves have been seted up along adjusting nut's circumferencial direction on the sheathed tube lateral wall, the gag lever post cooperatees with one of them spacing groove.
An outdoor high-voltage circuit breaker comprises the sleeve structure of the outdoor high-voltage circuit breaker.
Compared with the prior art, the invention has the following advantages:
the outdoor high-voltage circuit breaker has the advantages of reasonable structure and convenience in operation, the corresponding sleeves can be installed on the inlet terminal and the outlet terminal of the outdoor high-voltage circuit breaker, the sleeves are flexible in structure and convenient to install and disassemble on the shell of the circuit breaker, the terminals in the sleeves can be stabilized, and the safety is high.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the clamp arm and the square plate of the present invention;
FIG. 3 is a schematic view of part A of the present invention;
FIG. 4 is a schematic structural view of part B of the present invention;
FIG. 5 is a schematic view of the structure of part C of the present invention.
In the figure: 1. a circuit breaker housing; 2. a sleeve; 3. a threaded rod; 4. adjusting the nut; 5. a clamp arm; 6. a square groove; 7. a limiting groove; 8. a limiting rod; 9. a slide bar; 10. a spring; 11. a pull ring; 12. a square plate; 13. connecting grooves; 14. a groove; 15. moving the plate; 16. inserting a block; 17. a slot; 18. a screw rod; 19. a rotating wheel; 20. fixing the rod; 21. an arc fixture block; 22. a circular arc groove; 23. a pressure spring; 24. a compression spring groove; 25. a fixed cavity; 26. a round bar; 27. a first bevel gear; 28. a second bevel gear; 29. a control lever; 30. a gear.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Reference is made to fig. 1 to 5
The utility model provides an outdoor high voltage circuit breaker's bushing structure, includes circuit breaker casing 1, sleeve pipe 2 is installed at circuit breaker casing 1's top, sleeve pipe 2's lower extreme is connected with circuit breaker casing 1 through kayser mechanism, is provided with the centre gripping arm 5 of a pair of looks adaptation in the sleeve pipe 2, is provided with the adjustment mechanism that the terminal on the drive a pair of centre gripping arm 5 motion in opposite directions was used for realizing circuit breaker casing 1 was held on the sleeve pipe 2.
In this embodiment, in order to realize bushing on the circuit breaker casing, latch mechanism is including seting up the spread groove 13 on the inner wall of casing 2 lower part both sides, equal slidable mounting has movable plate 15 in the spread groove 13, the lower part of movable plate 15 stretches into respectively and sets up in the recess 14 at circuit breaker casing 1 top, and two movable plates 15 side of keeping away from each other all have an inserted block 16 through bolt fixed mounting, all offer on recess 14 and the corresponding inner wall of inserted block 16 and be used for inserted block male slot 17, be provided with the actuating mechanism who drives movable plate 15 removal respectively on the sleeve pipe.
In this embodiment, in order to drive the moving plate to drive the insert to move laterally, the driving mechanism includes a threaded hole transversely formed in the moving plate 15, a lead screw 18 is transversely screwed in the threaded hole, one end of the lead screw is rotatably connected with the sleeve 2 and penetrates out of the sleeve 2, and a rotating wheel 19 is fixed on the end of the lead screw penetrating out of the sleeve through a bolt, so that the lead screw is driven by the rotating wheel to drive the moving plate to move laterally.
In this embodiment, in order to guide the movement of the moving plate, a guide hole is transversely formed in the moving plate 15, and a fixing rod 20 having one end fixedly connected to the inner wall of the connecting groove 13 is slidably mounted in the guide hole. Thereby ensuring stability in movement.
In this embodiment, the upper side wall, the lower side wall, the front side wall or the rear side wall of the moving plate 15 are provided with a compression spring groove 24, the compression spring groove is internally provided with an arc-shaped fixture block 21 in a sliding manner, one end of the arc-shaped fixture block 21 is fixedly provided with a compression spring 23 through a bolt, the other end of the compression spring 23 is fixedly connected to the inner wall of the compression spring groove 24, and the inner walls corresponding to the connection groove 13 and the compression spring groove 24 are provided with two arc-shaped grooves 22 along the transverse interval so as to be matched with the arc-shaped fixture block to position different positions of the arc-shaped.
In this embodiment, in order to ensure the stability of the arc fixture block during movement, a sliding groove is formed in the inner wall of the compression spring groove 24, a sliding block is fixedly mounted on the arc fixture block 21, and the sliding block is slidably connected with the inner wall of the sliding groove.
In this embodiment, adjustment mechanism is including setting up in the slide opening of 2 both sides inner walls of sleeve pipe, slidable mounting has threaded rod 3 in the slide opening respectively, and the one end that two threaded rod 3 are close to each other all passes through bolt and 5 fixed connection of centre gripping arm that correspond, threaded rod 3 wear out on the sheathed tube tip equal threaded connection have adjusting nut 4, adjusting nut 4 rotates respectively and installs in 2 both sides of sleeve pipe, all is provided with guiding mechanism between a pair of centre gripping arm 5 and the sheathed tube 2 inner wall.
In this embodiment, the guide mechanism includes a square plate 12 fixedly mounted on a side surface of the clamping arm 5 away from each other, and the square plate 12 is fixedly mounted on both of the two clamping arms 5 through bolts; the inner walls of the two sides of the sleeve 2 are provided with square grooves 6 which are connected with the corresponding square plates 12 in a sliding mode, and a synchronous linkage mechanism is arranged between the two square plates 12 on the pair of clamping arms 5. All be provided with a pair of square board on the centre gripping arm, square board is located the upper and lower part of centre gripping arm to guarantee the stability of removal direction.
In this embodiment, in order to realize the synchronous motion of the square plate, the synchronous linkage mechanism includes a rack which is transversely and fixedly installed on the square block 12, the rack is disposed on the upper side wall, the lower side wall, the front side wall or the rear side wall of the square block, a fixed cavity 25 is transversely disposed on one side wall of the casing 2, a round bar 26 is transversely installed in the fixed cavity 25 in a rotating manner, connecting holes communicated with the corresponding square grooves 6 are respectively disposed at two side portions of the fixed cavity 25, control rods 29 are respectively installed in the connecting holes, a gear 30 meshed with the rack is fixed at one end of each control rod 29 through a bolt, first bevel gears 27 are respectively installed at two ends of each round bar 26 through bolts, second bevel gears 28 are respectively fixedly installed at the other ends of the two control rods 29, and the second bevel gears 28 are meshed with the corresponding first bevel gears 27.
In this embodiment, in order to realize adjusting nut's location, the spring groove has been seted up on adjusting nut 4 and sleeve pipe 2 matched with lateral wall, slidable mounting has gag lever post 8 in the spring groove, has seted up on the inner wall in spring groove and has removed the hole, it has slide bar 9 of one end fixed connection on the gag lever post to remove downthehole slidable mounting, the other end of slide bar 9 has pull ring 11 through bolt fixed mounting, and the cover is equipped with the spring 10 that is located the spring inslot on slide bar 9, a plurality of spacing grooves 7 have been seted up along adjusting nut 4's circumferencial direction on the sheathed tube lateral wall, gag lever post 8 cooperatees with one of them spacing groove 7.
In this embodiment, an annular groove is formed in one side of the sleeve 2, a moving block is fixedly mounted on one side of the adjusting nut 4, and the moving block is slidably connected with the side wall of the annular groove.
An outdoor high-voltage circuit breaker comprises the sleeve structure of the outdoor high-voltage circuit breaker.
When the circuit breaker is used, the sleeve 2 is installed on the circuit breaker shell 1, the moving plate 15 is inserted into the corresponding groove 14, the two rotating wheels 19 are rotated, the rotating wheels 19 drive the corresponding screw rods 18 to rotate, the screw rods 18 drive the corresponding moving plate 15 to move, the moving plate 15 drives the arc fixture blocks 21 to move, the arc fixture blocks 21 extrude the pressure springs 23 after being extruded by the inner walls of the arc grooves 22, temporary fixing limitation of the moving plate 15 is eliminated, the moving plate 15 drives the insert blocks 16 to slide into the slots 17, and therefore the position of the sleeve 2 on the circuit breaker shell 1 can be fixed. Simultaneously, the arc fixture block 21 slides into another arc groove 22, pull ring 11 is pulled, pull ring 11 drives slide bar 9 to move, slide bar 9 drives stop lever 8 roll-off spacing groove 7, stop lever 8 extrudes spring 10, can cancel adjusting nut 4's rotation restriction, rotate adjusting nut 4, adjusting nut 4 drives threaded rod 3 to move, threaded rod 3 drives centre gripping arm 5 to move, two centre gripping arms 5 are to the terminal centre gripping on the circuit breaker casing 1, can stabilize the position of terminal, loosen pull ring 11, drive stop lever 8 and reset because spring 10's elastic action, stop lever 8 inserts in another spacing groove 7, can fix adjusting nut 4's position.
The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various outdoor high voltage circuit breaker bushing structure and outdoor high voltage circuit breaker may be designed without inventive labor based on the teachings of the present invention, and all equivalent changes, modifications, substitutions and alterations made in the scope of the claims of the present invention should be covered by the present invention without departing from the principle and spirit of the present invention.

Claims (10)

1. The utility model provides an outdoor high voltage circuit breaker's bushing structure, includes the circuit breaker casing, its characterized in that, the sleeve pipe is installed at the top of circuit breaker casing, sheathed tube lower extreme is connected with the circuit breaker casing through kayser mechanism, and the intraductal centre gripping arm that is provided with a pair of looks adaptation of cover is provided with the adjustment mechanism that a pair of centre gripping arm opposite directions of drive was used for realizing that the terminal on the circuit breaker casing is held to the sleeve pipe.
2. The bushing structure of claim 1, wherein the latch mechanism comprises connecting slots formed on inner walls of two sides of a lower portion of the bushing, the connecting slots are slidably mounted with moving plates, lower portions of the moving plates respectively extend into grooves formed in a top of a housing of the circuit breaker, insertion blocks are fixedly mounted on a side surface of each moving plate away from each other, slots for insertion of the insertion blocks are formed in inner walls of the grooves corresponding to the insertion blocks, and driving mechanisms are arranged on the bushing for respectively driving the moving plates to move.
3. The bushing structure of claim 2, wherein the driving mechanism comprises a threaded hole transversely formed in the moving plate and a lead screw transversely screwed therein, one end of the lead screw is rotatably connected to the bushing and extends out of the bushing, and a rotating wheel is fixed to an end of the lead screw extending out of the bushing.
4. The bushing structure of claim 3, wherein the moving plate has a guide hole formed therein, and a fixing rod having one end fixedly connected to an inner wall of the connecting groove is slidably mounted in the guide hole.
5. The bushing structure of claim 2, 3 or 4, wherein the upper, lower, front or rear side walls of the moving plate have compression spring grooves, the compression spring grooves have arc-shaped fixture blocks slidably mounted therein, one ends of the arc-shaped fixture blocks have compression springs fixedly mounted thereon, the other ends of the compression springs are fixedly connected to the inner walls of the compression spring grooves, and the connecting grooves have two arc-shaped grooves formed therein at intervals along the transverse direction.
6. The bushing structure of claim 1, 2, 3 or 4, wherein the adjusting mechanism comprises sliding holes formed in inner walls of two sides of the bushing, threaded rods are slidably mounted in the sliding holes, one ends of the two threaded rods close to each other are fixedly connected with corresponding clamping arms, adjusting nuts are screwed on the ends of the threaded rods penetrating out of the bushing, the adjusting nuts are rotatably mounted on two sides of the bushing respectively, and a guiding mechanism is disposed between each pair of clamping arms and the inner wall of the bushing.
7. The bushing structure of claim 6, wherein the guiding mechanism comprises a square plate fixedly mounted on a side surface of the clamping arms away from each other, the inner walls of both sides of the bushing are respectively provided with a square groove slidably connected with the corresponding square plate, and a synchronous linkage mechanism is arranged between the two square plates on the pair of clamping arms.
8. The bushing structure of claim 7, wherein the synchronous linkage mechanism comprises a rack fixedly installed on a square block in a transverse direction, a fixed cavity is transversely formed in one side wall of the bushing, a round bar is installed in the fixed cavity in a transverse rotating manner, connecting holes communicated with corresponding square grooves are respectively formed in two side portions of the fixed cavity, control rods are installed in the connecting holes, a gear meshed with the rack is fixed to one end of each control rod, a first bevel gear is fixedly installed at each of two ends of each round bar, a second bevel gear is fixedly installed at each of the other ends of the two control rods, and the second bevel gear is meshed with the corresponding first bevel gear.
9. The bushing structure of claim 6, wherein a spring slot is formed in a side wall of the adjusting nut and the bushing, a limiting rod is slidably mounted in the spring slot, a moving hole is formed in an inner wall of the spring slot, a sliding rod with one end fixedly connected to the limiting rod is slidably mounted in the moving hole, a pull ring is fixedly mounted at the other end of the sliding rod, a spring located in the spring slot is sleeved on the sliding rod, a plurality of limiting slots are formed in the outer side wall of the bushing along the circumferential direction of the adjusting nut, and the limiting rod is matched with one of the limiting slots.
10. An outdoor high voltage circuit breaker, characterized in that it comprises a bushing structure of an outdoor high voltage circuit breaker according to claim 7, 8 or 9.
CN202011361537.2A 2020-11-28 2020-11-28 Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker Withdrawn CN112466706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011361537.2A CN112466706A (en) 2020-11-28 2020-11-28 Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011361537.2A CN112466706A (en) 2020-11-28 2020-11-28 Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker

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CN112466706A true CN112466706A (en) 2021-03-09

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CN202011361537.2A Withdrawn CN112466706A (en) 2020-11-28 2020-11-28 Sleeve structure of outdoor high-voltage circuit breaker and outdoor high-voltage circuit breaker

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113690094A (en) * 2021-08-26 2021-11-23 佳质集团有限公司 Vacuum circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113690094A (en) * 2021-08-26 2021-11-23 佳质集团有限公司 Vacuum circuit breaker
CN113690094B (en) * 2021-08-26 2023-09-08 佳质集团有限公司 Vacuum circuit breaker

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Application publication date: 20210309

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