CN202772468U - Overhaul trolley for breaker operating mechanism - Google Patents
Overhaul trolley for breaker operating mechanism Download PDFInfo
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- CN202772468U CN202772468U CN 201220357538 CN201220357538U CN202772468U CN 202772468 U CN202772468 U CN 202772468U CN 201220357538 CN201220357538 CN 201220357538 CN 201220357538 U CN201220357538 U CN 201220357538U CN 202772468 U CN202772468 U CN 202772468U
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- dolly
- operating mechanism
- trolley
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- screw
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Abstract
The utility model discloses an overhaul trolley for a breaker operating mechanism, which comprises a plurality of trolley connecting and fixing screws arranged at intervals, wherein trolley boards are fixedly arranged at two ends of the trolley connecting and fixing screws; trolley wheels and a brake mechanism are arranged below the trolley connecting and fixing screws; a bearing support plate is fixedly arranged at the upper part of the trolley board by a bearing support plate hold-down bolt; a threaded support cylinder is fixedly arranged at the upper part of the bearing support plate; a transmission screw is arranged in the threaded support cylinder by transmission screw threads; a lifting nut is fixedly arranged at a non-thread position of the transmission screw; a sleeve is arranged at the top end of the transmission screw; the sleeve is provided with an upper support plate; and a support block is arranged at the upper part of the upper support plate. During a GIS (Geographic Information System) fault, the overhaul trolley for the breaker operating mechanism safely and quickly disassembles the operating mechanism if the operating mechanism needs to be disassembled, thus the risk factors in overhaul are reduced, and the problem about safe and quick disassembly of a bottom operating mechanism or breaker operating mechanisms in other forms in a limited space is solved.
Description
Technical field
The utility model relates to a kind of circuit breaker operation mechanism inspection trolley.
Background technology
The circuit breaker operation mechanism of GIS (gas-insulated enclosed switch station) is the key mechanism of circuit breaker correct operation.Present domestic large-scale GIS station circuit breaker operation mechanism mainly adopts ABB HMA/B series mechanism, although the statement operating mechanism is non-maintaining, also various faults can occur in During Process of Long-term Operation.Break down and when can not solve at the scene at operating mechanism, how simple, fast, safely operating mechanism from the breaker body dismounting with to return dress be the problem that all electric full maintenance personnel are concerned about.Master of the present invention is for dismounting and time dress of ABB HMA/B series mechanism, and the operating mechanism of other similar type is also applicable.
Because operating mechanism volume weight is large, existing mode mainly is to utilize to come the dismounting operating mechanism with bridge machine+suspender belt+chain block.At first the bridge machine tangles four points of operating mechanism with suspender belt, the weight of bearing operating mechanism, with prevent operating mechanism and breaker body be connected and fixed bolt and progressively remove after the power transmission shaft of operating mechanism be subject to Action of Gravity Field and be damaged.Wherein one section suspender belt catcher draws cucurbit to be used for adjusting, so that its four some force balances, the set bolt of dismantling operation mechanism and breaker body then, definite and body by walking bridge machine dolly, allow operating mechanism separate with circuit breaker after removing be connected fully again.Return that to reinstall journey similar with the releasing process operation.
Existing mode limitation is very large.At first, owing to will use the bridge machine, must there be enough spaces allow the motion of suspension hook and suspender belt, so on the operating mechanism any obstacle can not be arranged, site space is had high requirements, this mode can only be for the operating mechanism 2 of operating mechanism and breaker body 1 horizontal shape, for operating mechanism bottom type circuit breaker, because the mechanism top has breaker body to reach inspection platform, oblique pull bus etc. stops and can't operate, such as Fig. 1; Secondly, reliability is not high, because the operating mechanism power transmission shaft bears excessive shearing force and may damage mechanism and contact of breaker, the power that the bridge machine passes to operating mechanism by suspender belt is wanted to offset gravity and can not be damaged mechanism again, and is very high to the specification requirement of bridge machine operation.
Summary of the invention
The technical problems to be solved in the utility model is for a kind of circuit breaker operation mechanism inspection trolley is provided, it is in the situation that need in the GIS fault operating mechanism is carried out dismounting safety, dismounting operating mechanism rapidly, reduce the risk factors of maintenance, solution under the confined space such as bottom type operating mechanism or other form circuit breaker operation mechanism safety, fast assembling-disassembling, in case of necessity, by changing car wheel and drive link height, also be fit to the dismounting of flat placed type circuit breaker operation mechanism.
The purpose of this utility model is achieved in that
A kind of circuit breaker operation mechanism inspection trolley, it comprises that a plurality of dollies that the interval arranges are connected and fixed screw rod, dolly is connected and fixed the screw rod two ends and is installed with the dolly sweep, dolly is connected and fixed the screw rod below and is provided with car wheel and braking mechanism, dolly sweep top is installed with the load-bearing supporting bracket by load-bearing supporting bracket hold-down bolt, load-bearing supporting bracket top is installed with the screw thread support tube, screw thread support tube inside is provided with drive screw by motion thread, non-threaded place is installed with lifting nut on the drive screw, the drive screw top is provided with sleeve, sleeve is provided with upper backup pad, and upper backup pad top is provided with back-up block.
Above-mentioned dolly is connected and fixed between screw rod and the dolly sweep as being threaded, and is connected and fixed bolt and nut by dolly and fixes.
The drive screw on above-mentioned screw thread support tube top is provided with jam nut.
Also be provided with the push-and-pull handrail on the above-mentioned dolly sweep.
The utility model has been obtained following technique effect:
1, the utility model vehicle structure is simple, volume is little, under the space of limitation, can use, the removable form of dolly, and adjustable structure goes for the various ways circuit breaker operation mechanism, have widely applicability, can carry out the inspection operation that existing dismounting mode can not be carried out, enriched the inspection operation means;
2, vehicle structure is simply by the transmission lifting screw, manual operation realizes the supporting surface lifting, can make supporting surface fit tightly supporting surface, and the transmission lifting screw is realized the effective rigid support to operating mechanism, prevent bolt rotary by jam nut, and then prevent the unexpected landing of supporting surface.Can guarantee safer dismounting operating mechanism, improve the coefficient of safety of inspection operation;
3, dolly is simple to operate, can guarantee the fast assembling-disassembling operating mechanism, recovers to send electricity to strive for the quality time for eliminating defective, can bring huge economic benefit.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of prior art;
Fig. 2 is front view of the present utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the end view of Fig. 2.
Embodiment
Shown in Fig. 2-4, a kind of circuit breaker operation mechanism inspection trolley, it comprises that a plurality of dollies that the interval arranges are connected and fixed screw rod 17, dolly is connected and fixed the screw rod two ends and is installed with dolly sweep 1, dolly is connected and fixed the screw rod below and is provided with car wheel and braking mechanism 14, dolly sweep top is installed with load-bearing supporting bracket 2 by load-bearing supporting bracket hold-down bolt 16, load-bearing supporting bracket top is installed with screw thread support tube 3, screw thread support tube inside is provided with drive screw 7 by motion thread 6, non-threaded place is installed with lifting nut 5 on the drive screw, the drive screw top is provided with sleeve 8, sleeve is provided with upper backup pad 9, the 11(shape can arrange difference), upper backup pad top is provided with back-up block 10, the 12(shape can arrange difference).
Preferably, described dolly is connected and fixed between screw rod and the dolly sweep as being threaded, and is connected and fixed bolt and nut 15 by dolly fixing.The drive screw on described screw thread support tube top is provided with jam nut 4.Also be provided with push-and-pull handrail 13 on the described dolly sweep.
Dolly sweep 1 plays the load-bearing effect, and is connected and fixed screw rod 17, and standing screw nut 15 forms car frame jointly, bears the above parts of dolly sweep and treats dismounting circuit breaker operation mechanism weight.
Load-bearing supporting bracket 2 is overlapped on the sweep 1, is used for retaining thread support tube 3 and transmits weight to the dolly sweep, can be free to slide and adjust the position, is fixed on the dolly sweep by load-bearing supporting bracket hold-down bolt 16 when needing fixedly.
Screw thread support tube 3 forms the screw thread lifting drive system with drive screw 7, and then realizes rising or the reduction of upper backup pad 9 or 11 by being fixedly welded on the load-bearing supporting bracket 2, has simultaneously the 7 rollover effects of the drive system of preventing screw rod.
Jam nut 4 is placed on the drive screw 7, is screwed down later on to screw thread support tube 3 and is used for preventing that the screw rod spinning from playing locking and load-bearing effect when screw rod is elevated to the precalculated position.
Lifting nut 5 when needs are adjusted the screw rod height, rotates this nut with spanner by being fixedly welded on the drive screw 7, drives screw rod 7 and moves up and down, and then realize supporting bracket 9 and 11 liftings.
Motion thread 6 is attacked on drive screw 7 and support tube 3 by tapping, is external screw thread at drive screw 7, is internal thread at screw thread support tube 3 inner surfaces, cooperatively interacts for transmission and load-bearing.
Drive screw 7 lower ends are threaded onto in the screw thread support tube 3, and the upper end is being used for support and hoistable platform in sleeve 8, lower end band motion thread, and the upper end is not threaded.
Sleeve 8 is by being welded to connect on supporting bracket 9 and 11, and is not threaded, is used for connection for transmission screw rod and fixed support plate.
Supporting bracket 9 and 11 is used for supporting and embedding back-up block 10 and 12, and prevents that back-up block from sliding.
Back-up block 10 and back-up block 12 are embedded on supporting bracket 9 and 11, and can there be difformity and size in the position according to the operating mechanism needs of selecting support.
Push-and-pull handrail 13 is fixed on the sweep, is used for push-and-pull dolly and operating mechanism.
Car wheel and braking mechanism 14 are fixed on the sweep, are used for that dolly moves and parked, the wheel height can be according to wanting the avoiding obstacles height difference.
Dolly is connected and fixed bolt and nut 15 and is placed in dolly and is connected and fixed screw rod 17, is used for fixedly dolly sweep, also can adjust vehicle-width by rotating nut.
Load-bearing supporting bracket hold-down bolt 16 is threaded onto on the load-bearing supporting bracket 2, when the load-bearing supporting bracket is adjusted to correct position, is used for supporting bracket is pressed on dolly sweep 1, prevents load-bearing supporting bracket shift position.
Dolly is connected and fixed screw rod 17 and is used for being connected and fixed two blocks of dolly sweeps, by changing spiro rod length, can change the dolly overall dimensions.
When carrying out the circuit breaker operation mechanism dismounting (take dismounting as example).To adjust the relative position of two load-bearing supporting brackets under the dolly push operation mechanism to suitable support level, then rotatably compress the position of load-bearing supporting bracket hold-down bolt 16 fixedly load-bearing supporting brackets, after confirming to fix reliably, rotate each lifting nut 5 until back-up block 10 and back-up block 12 withstand the support level on the operating mechanism, then be screwed down jam nut 4 and be compacted on the screw thread support tube 3 and prevent threads turn.After above-mentioned steps is finished, pin car wheel with braking mechanism, prevent that dolly is in use mobile.Then with regard to disassembling section mechanism, behind releasing operating mechanism and the body connecting bolt, with dolly mechanism is moved to other local maintenance or replacings.If side space is inadequate under the operating mechanism, also can pull down first drive screw 7 and above part, treat to refill to set up and carry out work after dolly is shifted the position onto.
Claims (4)
1. circuit breaker operation mechanism inspection trolley, it is characterized in that: it comprises that a plurality of dollies that the interval arranges are connected and fixed screw rod (17), dolly is connected and fixed the screw rod two ends and is installed with dolly sweep (1), dolly is connected and fixed the screw rod below and is provided with car wheel and braking mechanism (14), dolly sweep top is installed with load-bearing supporting bracket (2) by load-bearing supporting bracket hold-down bolt (16), load-bearing supporting bracket top is installed with screw thread support tube (3), the screw thread support tube is inner to be provided with drive screw (7) by motion thread (6), non-threaded place is installed with lifting nut (5) on the drive screw, the drive screw top is provided with sleeve (8), sleeve is provided with upper backup pad (9,11), upper backup pad top is provided with back-up block (10,12).
2. circuit breaker operation mechanism inspection trolley according to claim 1 is characterized in that: described dolly is connected and fixed between screw rod and the dolly sweep as being threaded, and is connected and fixed bolt and nut (15) by dolly fixing.
3. circuit breaker operation mechanism inspection trolley according to claim 1 and 2, it is characterized in that: the drive screw on described screw thread support tube top is provided with jam nut (4).
4. circuit breaker operation mechanism inspection trolley according to claim 1 and 2 is characterized in that: also be provided with push-and-pull handrail (13) on the described dolly sweep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357538 CN202772468U (en) | 2012-07-23 | 2012-07-23 | Overhaul trolley for breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357538 CN202772468U (en) | 2012-07-23 | 2012-07-23 | Overhaul trolley for breaker operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772468U true CN202772468U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220357538 Expired - Fee Related CN202772468U (en) | 2012-07-23 | 2012-07-23 | Overhaul trolley for breaker operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772468U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490316A (en) * | 2013-10-10 | 2014-01-01 | 益和电气集团股份有限公司 | Trolley for mounting long conductor of GIS (Gas Insulated Switchgear) switch |
| CN105576540A (en) * | 2016-03-08 | 2016-05-11 | 江苏省电力公司常州供电公司 | Centrally-installed switchgear intelligent maintenance dolly |
| CN108199286A (en) * | 2018-01-23 | 2018-06-22 | 中国长江电力股份有限公司 | A kind of 500kV GIS circuit breaker operation mechanisms dismounting and travelling bogie and application method |
| CN111555164A (en) * | 2020-05-20 | 2020-08-18 | 西部超导材料科技股份有限公司 | Railcar for superconducting direct current limiter and method for dismounting superconducting direct current limiter |
| CN112803288A (en) * | 2021-02-23 | 2021-05-14 | 国网河南省电力公司检修公司 | Overhauling and replacing method for hydraulic disc spring operating mechanism of 500kV circuit breaker |
-
2012
- 2012-07-23 CN CN 201220357538 patent/CN202772468U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490316A (en) * | 2013-10-10 | 2014-01-01 | 益和电气集团股份有限公司 | Trolley for mounting long conductor of GIS (Gas Insulated Switchgear) switch |
| CN103490316B (en) * | 2013-10-10 | 2016-04-13 | 益和电气集团股份有限公司 | A kind of dolly installed for GIS switch long conductor |
| CN105576540A (en) * | 2016-03-08 | 2016-05-11 | 江苏省电力公司常州供电公司 | Centrally-installed switchgear intelligent maintenance dolly |
| CN105576540B (en) * | 2016-03-08 | 2017-07-18 | 江苏省电力公司常州供电公司 | Middle-placed switch cabinet intelligence inspection trolley |
| CN108199286A (en) * | 2018-01-23 | 2018-06-22 | 中国长江电力股份有限公司 | A kind of 500kV GIS circuit breaker operation mechanisms dismounting and travelling bogie and application method |
| CN111555164A (en) * | 2020-05-20 | 2020-08-18 | 西部超导材料科技股份有限公司 | Railcar for superconducting direct current limiter and method for dismounting superconducting direct current limiter |
| CN112803288A (en) * | 2021-02-23 | 2021-05-14 | 国网河南省电力公司检修公司 | Overhauling and replacing method for hydraulic disc spring operating mechanism of 500kV circuit breaker |
| CN112803288B (en) * | 2021-02-23 | 2022-07-22 | 国网河南省电力公司超高压公司 | 500kV circuit breaker hydraulic disc spring operating mechanism overhauling and replacing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20180723 |