CN105355502A - Circuit breaker and connecting box thereof - Google Patents
Circuit breaker and connecting box thereof Download PDFInfo
- Publication number
- CN105355502A CN105355502A CN201510739274.7A CN201510739274A CN105355502A CN 105355502 A CN105355502 A CN 105355502A CN 201510739274 A CN201510739274 A CN 201510739274A CN 105355502 A CN105355502 A CN 105355502A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- hole
- connecting lever
- lever axle
- control device
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
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- Breakers (AREA)
Abstract
The invention relates to the field of power transmission and transformation equipment, and particularly relates to a circuit breaker and a connecting box thereof, so as to solve the problems that the connecting box of the circuit breaker does not have a transmission function and the product structure of the circuit breaker is complex since parts need to be additionally arranged in the prior art. In order to solve the problem, crank arm shaft installation holes are formed in a box body of the connecting box, the holes formed in the box body are used for replacing an arc extinguishing chamber movable support and a crank arm shaft support in the prior art, the number of parts is reduced, and the problems that the circuit breaker is complicated in assembly, low in production efficiency and high in production cost and does not have market competitiveness since the number of product component parts of the existing circuit breaker is large are solved.
Description
Technical field
The present invention relates to power transmission and transforming equipment field, particularly relate to a kind of circuit breaker and fishing box thereof.
Background technology
The power transmission and transforming equipment primary cut-out used in the electric power system of 330kV above, be made up of two arc control device fractures or 4 arc control device fractures, these fractures are connected by fishing box.So circuit breaker fishing box is connection stressed member crucial on product, tool plays a very important role.Each producer is also different to the design of fishing box, and profile is also not quite similar, but basic structure is all the structure of many entire bodies.Common fishing box, does not possess transmission agency, in order to by the transmission of power of breaker operation mechanism to arc control device, drive arc control device moving contacts motion arc extinguishing, need connecting lever axle is installed in fishing box.Because fishing box does not possess transmission agency, so usually increase arc control device in prior art to move bearing and connecting lever axle supporting base to install connecting lever axle in circuit breaker.This adds increased the amount of parts of composition circuit breaker, complicate the structure of circuit breaker, for product design, production and processing and assembling are made troubles, make circuit breaker production cycle length, production cost large, and then affect the market competitiveness of circuit breaker.
Summary of the invention
The baroque problem of circuit breaker that the object of the present invention is to provide a kind of fishing box to need to increase in addition part to solve in prior art fishing box in circuit breaker and do not possess transmission agency to cause; Meanwhile, the present invention also aims to provide the circuit breaker using above-mentioned link box.
For solving this technical problem, fishing box of the present invention by the following technical solutions:
A kind of circuit breaker fishing box, comprise casing, casing is provided with the pull bar linkage section for connecting insulated tension pole and the arc control device linkage section for connecting arc control device, described casing also offers the connecting lever axle installing hole for installing connecting lever axle.
The through hole of described connecting lever axle installing hole for installing for connecting lever axle on a side box wall of fishing box is that described through hole and blind hole have identical center line for the blind hole positioned connecting lever axle that matches with above-mentioned through hole on the opposite side tank wall of fishing box.
It is two right that described connecting lever axle installing hole has, and through hole divides and is located on the relative both sides sidewall of casing, and blind hole is divided and is located on the opposite side sidewall relative with side, through hole place, and the center line of two pairs of connecting lever axle installing holes is arranged in same level.
Described arc control device linkage section has two, jointly constitutes the casing of T-shaped profile with pull bar linkage section.
The end face of described arc control device linkage section is provided with the ring flange for connecting arc control device, and described ring flange is near the end face central axis of pull bar linkage section.
Circuit breaker of the present invention is by the following technical solutions:
A kind of circuit breaker, comprise fishing box and be arranged on the transmission mechanism in fishing box, transmission mechanism comprises insulated tension pole, fishing box comprises casing, casing is provided with the pull bar linkage section for connecting insulated tension pole and the arc control device linkage section for connecting arc control device, described casing offers the connecting lever axle installing hole for installing connecting lever axle.
The through hole of described connecting lever axle installing hole for installing for connecting lever axle on a side box wall of fishing box is that described through hole and blind hole have identical center line for the blind hole positioned connecting lever axle that matches with above-mentioned through hole on the opposite side tank wall of fishing box.
It is two right that described connecting lever axle installing hole has, and through hole divides and is located on the relative both sides sidewall of casing, and blind hole is divided and is located on the opposite side sidewall relative with side, through hole place, and the center line of two pairs of connecting lever axle installing holes is arranged in same level.
Described arc control device linkage section has two, jointly constitutes the casing of T-shaped profile with pull bar linkage section.
The end face of described arc control device linkage section is provided with the ring flange for connecting arc control device, and described ring flange is near the end face central axis of pull bar linkage section.
In prior art, fishing box not having the installation station of connecting lever axle, needing to increase connecting lever axle bracing or strutting arrangement to connect connecting lever axle to the power of insulated tension pole is delivered to arc control device moving contact.Which results in circuit breaker number of spare parts to increase, so cause circuit breaker assemble complicated, production efficiency is low, production cost is high and do not possess the problem of the market competitiveness.And fishing box of the present invention is provided with the connecting lever axle installing hole installed for connecting lever axle on casing, the motion of insulated tension pole is delivered to arc control device by connecting lever axle, and thus fishing box of the present invention is provided with transmission agency.Arc control device of the prior art are replaced to move bearing and connecting lever axle supporting base with the hole be opened on casing, decrease number of parts, solve that existing circuit breaker component part quantity is many and circuit breaker assembling that is that cause is complicated, production efficiency is low, production cost is high and do not possess the problem of the market competitiveness.
Further, connecting lever axle installing hole is set to one end through hole, the version of other end blind hole reduces the difficulty sealed fishing box inside, improves the sealing property of fishing box.
Further, fishing box is designed to the T-shaped structure of arc control device linkage section end flanges dish near column linkage section end face central axis, not only make the good looking appearance of fishing box also reduce arc control device simultaneously and act on bending moment force on fishing box, improve the fail safe of fishing box.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of circuit breaker of the present invention;
Fig. 2 is the assembly structure schematic diagram of fishing box and transmission mechanism in the embodiment of circuit breaker in the present invention;
Fig. 3 is the structural representation of fishing box in the embodiment of circuit breaker of the present invention;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is that the A-A of Fig. 3 is to cutaway view.
Embodiment
The embodiment of circuit breaker:
Circuit breaker comprises fishing box and is arranged on the transmission mechanism in fishing box, and the embodiment of circuit breaker is as shown in Fig. 1 ~ 5, and circuit breaker comprises 1# arc control device fracture 1, fishing box 2,2# arc control device fracture 3, pillar 4 and operating mechanism 5.Be provided with transmission mechanism in fishing box, transmission mechanism comprises: above win 601 in succession, moved end pull bar 602, transmission crank arm 603, connecting lever axle 604, under win 605 in succession, insulated tension pole jointing 606 and insulated tension pole 607.Fishing box comprises the ring flange 205 of casing 201, arc control device linkage section 202, connecting lever axle installing hole 203, pull bar linkage section 204 and arc control device linkage section 202 end face.
Two arc control device linkage sections 202 on casing are fixed on and pull bar linkage section 204 constitutes T-shaped casing in the present invention, one end of insulated tension pole is stretched in pull bar linkage section 204, and 1# arc control device and 2# arc control device are fixed on fishing box by the ring flange 205 of arc control device linkage section 202 end face.Fishing box has two connecting lever axle installing holes 203, for reducing sealing difficulty, ensure sealing effectiveness, the through hole of described connecting lever axle installing hole 203 for installing for connecting lever axle on a side box wall of fishing box, the opposite side tank wall of fishing box is for the blind hole positioned connecting lever axle that matches with above-mentioned through hole, described through hole and blind hole have identical center line, namely the circuit breaker connecting lever axle after installation only has side to penetrate casing, so the connecting lever axle be installed in connecting lever axle installing hole 203 only has one end to be in communication with the outside, only need the axle head penetrating casing 201 be sealed after parts installation in fishing box.
For convenience of the installation to connecting lever axle 604, in the present invention, two connecting lever axle installing holes 203 are opened on both sides sidewall relative on casing, in such cases every side sidewall all only has one to stretch out shaft part, avoid a certain axle head is installed, the operation such as sealing time be located at the interference of the other axle head on the sidewall of the same side; This kind of structure is also conducive to expansion connecting lever axle 604 to connect other parts simultaneously.For ensureing the synchronous of two arc control device actions, the center line of two pairs of connecting lever axle installing holes 203 is arranged in same level.
Insulation pull bar 602 one end, moved end with on win in succession 601 hinged, the other end stretches in arc control device fracture.Circuit breaker operating mechanism receive point, reclosing command motion time, the insulated tension pole hinged with operating mechanism can move up and down thereupon, move on winning in succession under the drive that moves upward of insulated tension pole 607, thus cause the lower end of left side transmission crank arm 603 to move upward, left side connecting lever 603 rotates counterclockwise along connecting lever axle 604, drives the moved end pull bar 602 of 1# arc control device to be moved to the left and drives arc control device to carry out corresponding operating; Meanwhile, right side transmission crank arm 603 can rotate clockwise along connecting lever axle 604, drives the moved end pull bar of 2# arc control device to move right, and then drives 2# arc control device to carry out corresponding operating.
Owing to having connecting lever axle installing hole 203 in the present invention on the casing 201 of fishing box, connecting lever axle is directly installed in connecting lever axle installing hole 203, the arc control device eliminated as designing to transferring power move bearing and connecting lever axle supporting base, so the number of spare parts of fishing box of the present invention effectively less composition circuit breaker, shorten the research and development of circuit breaker, production and installation period, reduce product cost, be conducive to the market competitiveness improving circuit breaker.
In other embodiments, the arc control device linkage section of fishing box also can be other quantity identical with arc control device fracture quantity.
The embodiment of circuit breaker fishing box:
In the embodiment of circuit breaker fishing box, the structure of fishing box is identical with the structure of fishing box in circuit breaker embodiment, repeats no more.
Claims (10)
1. a circuit breaker fishing box, comprises casing, and casing is provided with the pull bar linkage section for connecting insulated tension pole and the arc control device linkage section for connecting arc control device, it is characterized in that: described casing also offers the connecting lever axle installing hole for installing connecting lever axle.
2. circuit breaker fishing box according to claim 1, it is characterized in that: the through hole of described connecting lever axle installing hole for installing for connecting lever axle on a side box wall of fishing box, the opposite side tank wall of fishing box is for the blind hole positioned connecting lever axle that matches with above-mentioned through hole, described through hole and blind hole have identical center line.
3. circuit breaker fishing box according to claim 2, it is characterized in that: it is two right that described connecting lever axle installing hole has, through hole divides and is located on the relative both sides sidewall of casing, blind hole is divided and is located on the opposite side sidewall relative with side, through hole place, and the center line of two pairs of connecting lever axle installing holes is arranged in same level.
4. circuit breaker fishing box according to claim 1, is characterized in that: described arc control device linkage section has two, jointly constitutes the casing of T-shaped profile with pull bar linkage section.
5. according to the circuit breaker fishing box in claim 1 ~ 4 described in any one, it is characterized in that: the end face of described arc control device linkage section is provided with the ring flange for connecting arc control device, and described ring flange is near the end face central axis of pull bar linkage section.
6. a circuit breaker, comprise fishing box and be arranged on the transmission mechanism in fishing box, transmission mechanism comprises insulated tension pole, fishing box comprises casing, casing is provided with the pull bar linkage section for connecting insulated tension pole and the arc control device linkage section for connecting arc control device, it is characterized in that: described casing offers the connecting lever axle installing hole for installing connecting lever axle.
7. circuit breaker according to claim 6, it is characterized in that: the through hole of described connecting lever axle installing hole for installing for connecting lever axle on a side box wall of fishing box, the opposite side tank wall of fishing box is for the blind hole positioned connecting lever axle that matches with above-mentioned through hole, described through hole and blind hole have identical center line.
8. circuit breaker according to claim 7, it is characterized in that: it is two right that described connecting lever axle installing hole has, through hole divides and is located on the relative both sides sidewall of casing, and blind hole is divided and is located on the opposite side sidewall relative with side, through hole place, and the center line of two pairs of connecting lever axle installing holes is arranged in same level.
9. circuit breaker according to claim 6, is characterized in that: described arc control device linkage section has two, jointly constitutes the casing of T-shaped profile with pull bar linkage section.
10. according to the circuit breaker in claim 6 ~ 9 described in any one, it is characterized in that: the end face of described arc control device linkage section is provided with the ring flange for connecting arc control device, and described ring flange is near the end face central axis of pull bar linkage section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739274.7A CN105355502A (en) | 2015-11-04 | 2015-11-04 | Circuit breaker and connecting box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739274.7A CN105355502A (en) | 2015-11-04 | 2015-11-04 | Circuit breaker and connecting box thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105355502A true CN105355502A (en) | 2016-02-24 |
Family
ID=55331447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510739274.7A Pending CN105355502A (en) | 2015-11-04 | 2015-11-04 | Circuit breaker and connecting box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105355502A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05290683A (en) * | 1992-04-14 | 1993-11-05 | Mitsubishi Electric Corp | Circuit breaker |
| US20090134124A1 (en) * | 2007-11-23 | 2009-05-28 | Chung-Hsin Electric & Machinery Mfg. Corp | Buffering mechanism for gas circuit breaker |
| CN102568910A (en) * | 2011-12-20 | 2012-07-11 | 平高集团有限公司 | 1100kV extra-high voltage series complement bypass switch |
| CN104465203A (en) * | 2014-12-04 | 2015-03-25 | 中国西电电气股份有限公司 | Transmission device for high-voltage circuit breaker |
| CN204242970U (en) * | 2013-07-23 | 2015-04-01 | 株式会社东芝 | Gas-break switch |
| CN205194604U (en) * | 2015-11-04 | 2016-04-27 | 平高集团有限公司 | Circuit breaker and fishing box thereof |
-
2015
- 2015-11-04 CN CN201510739274.7A patent/CN105355502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05290683A (en) * | 1992-04-14 | 1993-11-05 | Mitsubishi Electric Corp | Circuit breaker |
| US20090134124A1 (en) * | 2007-11-23 | 2009-05-28 | Chung-Hsin Electric & Machinery Mfg. Corp | Buffering mechanism for gas circuit breaker |
| CN102568910A (en) * | 2011-12-20 | 2012-07-11 | 平高集团有限公司 | 1100kV extra-high voltage series complement bypass switch |
| CN204242970U (en) * | 2013-07-23 | 2015-04-01 | 株式会社东芝 | Gas-break switch |
| CN104465203A (en) * | 2014-12-04 | 2015-03-25 | 中国西电电气股份有限公司 | Transmission device for high-voltage circuit breaker |
| CN205194604U (en) * | 2015-11-04 | 2016-04-27 | 平高集团有限公司 | Circuit breaker and fishing box thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180329 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Zhejiang Electric Power Co., Ltd. Applicant after: Pinggao Group Co., Ltd. Applicant after: Pinggao Electric Co., Ltd., Henan Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Applicant before: Pinggao Group Co., Ltd. Applicant before: Pinggao Electric Co., Ltd., Henan Applicant before: State Grid Corporation of China |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |
|
| RJ01 | Rejection of invention patent application after publication |