CN201887368U - Handcart high and medium-voltage switch - Google Patents
Handcart high and medium-voltage switch Download PDFInfo
- Publication number
- CN201887368U CN201887368U CN2010205925330U CN201020592533U CN201887368U CN 201887368 U CN201887368 U CN 201887368U CN 2010205925330 U CN2010205925330 U CN 2010205925330U CN 201020592533 U CN201020592533 U CN 201020592533U CN 201887368 U CN201887368 U CN 201887368U
- Authority
- CN
- China
- Prior art keywords
- handcart
- circuit breaker
- slide rail
- bar
- braking
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a handcart high and medium-voltage switch, which comprises a working position manual braking device, wherein the working position manual braking device comprises a rectangular slide rail which is arranged on a handcart, a braking plate which is arranged on the slide rail, a braking rod which is arranged in a circuit breaker, a return spring for supplying returning elastic force to the braking rod and a pry bar for prying a driving rod upwards so as to realize a braking action; the braking plate is provided with a rectangular slide hole; the braking plate is sleeved on the slide rail through the slide hole and can move along the slide rail along with the circuit breaker; the slide rail can rotate in a certain angle range, and can drive the braking rod to move upwards and downwards through the braking plate in a rotating process; and the braking rod drives the pry bar to rotate in an upward and downward moving process. The handcart high and medium-voltage switch has a reasonable and simplified structure and a stable and reliable performance, and is convenient to operate, and labor is saved during operation.
Description
Technical field
The utility model belongs to the switch cubicle technical field, is specifically related to a kind of handcart-type high pressure switch that is used for switch cubicle.
Background technology
The high pressure switchgear mainly by cabinet, be installed in main bus bar in the cabinet, circuit breaker cart, instrument transformer, earthed switch, high-tension cable and constitute with parts such as tables, circuit breaker cart bottom in the cabinet is provided with propulsive mechanism, the manual operation handcart advancing mechanism closes a floodgate from the experiment position circuit breaker cart after being pushed into the service position, or behind the separating brake circuit breaker cart is retracted into the experiment position from the service position.For preventing the circuit breaker misoperation, according to the electric industry safety regulation for operations, existing propulsive mechanism all is provided with interlock, but not to be taken measures in the operating side of pushing mechanism screw mandrel, so the operator still can be inserted into handle the operating side of pushing golden snag bar and operate by force, the "on" position circuit breaker that for example will be in the service position is removed by force, and is light then cause the damage of components of switchgear, heavy then influence the normal operation and the personal safety of equipment.
In addition, present circuit breaker during manual brake separating, need prize main shaft with a ripping bar on the service position, and then realizes the separating brake action.The working position manual switching-off device of this structure is operated not conveniently, and breaks down easily.
The utility model content
The purpose of this utility model provides a kind of simplification rational in infrastructure, operation handcart-type high pressure switch comparatively easily.
The technical scheme that realizes the utility model purpose is: a kind of handcart-type high pressure switch, comprise handcart and the high pressure circuit breaker that places on the handcart, described circuit breaker comprises main shaft, drive connecting lever, be provided with the magneto driver of drive rod, and described drive rod drives main shaft and rotates by driving connecting lever; Described drive rod vertically is provided with along the plumb line direction, and stretches out the roof of magneto driver on it, and the top of described drive rod is provided with forced section; This handcart-type switch device also is provided with a working position manual switching-off device, thus described working position manual switching-off device comprises the rectangle slide rail that is arranged on the handcart, is arranged on branch flashboard on the slide rail, is arranged on branch restrictor bar in the circuit breaker, for minute restrictor bar provide reseting elasticity back-moving spring, be used for drive rod is upwards prized the ripping bar of realizing the separating brake action; Flashboard was provided with the rectangle slide opening in described minute, and described minute flashboard is set on the slide rail by its slide opening and can moves with circuit breaker along slide rail; Described slide rail can rotate in the certain angle scope, and can move along the vertical direction by the moving restrictor bar that divides of separating brake strip in rotation process, and described minute restrictor bar drives ripping bar and rotate in the process of moving up and down.
In the such scheme, the middle part of described ripping bar is rotated and is arranged on the roof of magneto driver, and an end of described ripping bar can be against when manual brake separating on the forced section of drive rod, and the other end rotates the top that is arranged on the branch restrictor bar; Restrictor bar was provided with along the plumb line direction in described minute, and its lower end is stretched out outside the Shell of circuit breaker and with described minute flashboard and is rotationally connected.
In the such scheme, the middle part of described minute restrictor bar is fixed with locating part; The upper end of described back-moving spring is against on the locating part of described minute restrictor bar, and the lower end is against on the Shell of circuit breaker.
The utlity model has positive effect: in (1) the utility model, described drive rod vertically is provided with along the plumb line direction, and stretches out the roof of magneto driver on it, and the top of described drive rod is provided with forced section; This handcart-type switch device also is provided with a working position manual switching-off device, thus described working position manual switching-off device comprises the rectangle slide rail that is arranged on the handcart, is arranged on branch flashboard on the slide rail, is arranged on branch restrictor bar in the circuit breaker, for minute restrictor bar provide reseting elasticity back-moving spring, be used for drive rod is upwards prized the ripping bar of realizing the separating brake action; Flashboard was provided with the rectangle slide opening in described minute, and described minute flashboard is set on the slide rail by its slide opening and can moves with circuit breaker along slide rail; Described slide rail can rotate in the certain angle scope, and can move along the vertical direction by the moving restrictor bar that divides of separating brake strip in rotation process, and restrictor bar drove ripping bar in the process of moving up and down in described minute.This kind structural change traditional prize the mode that main shaft carries out separating brake at working position, continued to use the mode of test position manual brake separating basically; Because structure is comparatively rationally simplified, and is comparatively laborsaving during operation, stable and reliable for performance and operation facility.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the present utility model, has shown a kind of embodiment of the present utility model.
Present embodiment is a kind of handcart-type high pressure switch that is used for switch cubicle, substantially the same manner as Example 1, comprise handcart 1, place high pressure circuit breaker 2 on the handcart 1, blocking handle hole 11 locational brake mechanism 4 and auxiliary rotary switches 7 with cover plate 3 is spacing when feed motion, circuit breaker is in "on" position described in Fig. 1.
Described handcart 1 is provided with handle hole 11, be arranged in the screw mandrel 12 of handle hole 11 and be used to hide the cover plate 3 of described handle hole 11; Described screw mandrel 12 can drive circuit breaker 2 and move forward and backward when rotating.
Described circuit breaker 2 comprises horizontally disposed main shaft 21, driving connecting lever 22, is provided with the magneto driver 23 of drive rod 231; Described drive rod 231 is provided with along the plumb line direction, and drives main shaft 21 rotations by driving connecting lever 22.
Described brake mechanism 4 comprises that an end is arranged on the driving lever 41, the end that drive on the connecting lever 22 and is arranged on the crank arm mechanism 5 on the cover plate 3 and is used to stop the brake bar 6 that crank arm mechanism 5 makes its braking; Described driving connecting lever 22 drives brake bar 6 by driving lever 41 and comes back rotation within the specific limits, and the described brake bar 6 in back that closes a floodgate can stop described crank arm mechanism 5 makes its braking on the position that blocks handle hole 11.Along continuous straight runs is provided with interlock bearing pin 45 on the described driving connecting lever 22, and described handcart 1 is provided with the guide sleeve 46 that is used to guide driving lever 41 direction of action; Described driving lever 41 is provided with along the plumb line direction, and its upper end is rotationally connected with interlock bearing pin 45, and its lower end is arranged in described guide sleeve 46, and described driving lever 41 can move up and down along guide sleeve 46 under the drive of interlock bearing pin 45; The middle part of described brake bar 6 is rotated and is arranged on the handcart 1, and one end and driving lever 41 are rotationally connected, and the other end is provided with the Resistance that is used to brake crank arm mechanism 5.
Described crank arm mechanism 5 comprises second connecting lever 52 that an end is fixed on first connecting lever 51 in the capping, is rotationally connected with first connecting lever, 51 other ends, is driven by second connecting lever 52 and come the keep plate 53 of back rotation in the certain angle scope.
Described brake mechanism 4 comprises that an end is arranged on the driving lever 41, the end that drive on the connecting lever 22 and is arranged on the crank arm mechanism 5 on the cover plate 3 and is used to stop the brake bar 6 that crank arm mechanism 5 makes its braking; Described driving connecting lever 22 drives brake bar 6 by driving lever 41 and comes back rotation within the specific limits, make crank arm mechanism 5 brakings thereby the described brake bar 6 in back that closes a floodgate stops described keep plate 53 away from an end of driving lever 41 as stop part 61, so with cover plate 3 brakings on the position that blocks handle hole 11.
Described keep plate 53 comprises can be braked braking district 531 and the drive area 532 that bar 6 props up, and described drive area 532 is provided with and is used for the driving member 533 that the driven rotary switch carries out switch motion.
In the present embodiment, the roof of magneto driver 23 is stretched out in described drive rod 231 upper ends, and the top of described drive rod 231 is provided with forced section 2311; This handcart 1 formula switching device also is provided with a working position manual switching-off device 8, thus described working position manual switching-off device 8 comprises the rectangle slide rail 81 that is arranged on the handcart 1, is arranged on branch flashboard 82 on the slide rail 81, is arranged on branch restrictor bar 83 in the circuit breaker 2, for minute restrictor bar 83 provide reseting elasticity back-moving spring 84, be used for drive rod 231 is upwards prized the ripping bar 85 of realizing the separating brake action; Flashboard 82 was provided with the rectangle slide opening in described minute, and described minute flashboard 82 is set on the slide rail 81 by its slide opening and can moves with circuit breaker 2 along slide rail 81; Described slide rail 81 can rotate in the certain angle scope, and can divide restrictor bar 83 to move along the vertical direction by dividing flashboard 82 to drive in rotation process, and restrictor bar 83 drove ripping bar 85 in the process of moving up and down in described minute.
The middle part of described ripping bar 85 is rotated and is arranged on the roof of magneto driver 23, and an end of described ripping bar 85 can be against when manual brake separating on the forced section 2311 of drive rod 231, and the other end rotates the top that is arranged on branch restrictor bar 83; Restrictor bar 83 was provided with along the plumb line direction in described minute, and its lower end is stretched out outside circuit breaker 2 housings and with described minute flashboard 82 and is rotationally connected; The middle part of described minute restrictor bar 83 is fixed with locating part 831; The upper end of described back-moving spring 84 is against on the locating part of described minute restrictor bar 83, and the lower end is against on circuit breaker 2 housings.
Above-mentioned working position manual switching-off device 8 is mainly used in when circuit breaker is in the service position it is carried out manual brake separating, present embodiment also is provided with a test position manual switching-off device that is used for manual brake separating on test position on the roof of magneto driver 23, the structure of this test position manual switching-off device is identical with the disclosed structure of patent documentation CN101350269Y.
In the present embodiment, when circuit breaker 2 when "on" position is transformed into gate-dividing state, described interlock bearing pin 45 certain distance that will move up, driving driving lever 41 simultaneously moves up, driving lever 41 drives brake bar 6 again and turns an angle when last moving, and the end away from driving lever 41 that also gets final product described brake bar 6 also is that its stop part 61 moves down, thereby the stop part 61 that makes described brake bar 6 no longer stops the rotation of keep plate 53, and can stir cover plate 3 downwards and expose handle hole 11 this moment.
When circuit breaker 2 when gate-dividing state is transformed into "on" position, described interlock bearing pin 45 will move down certain distance, driving driving lever 41 simultaneously moves down, driving lever 41 drives brake bar 6 answers again and turns an angle when moving down, and also can make the end away from driving lever 41 of described brake bar 6 move up, thereby the stop part 61 that makes described brake bar 6 stops the rotation of keep plate 53, this moment, cover plate 3 blocked handle hole 11, and because keep plate 53 is obstructed, can't stir cover plate 3.
Present embodiment has changed and traditional has prized the mode that main shaft carries out separating brake at working position, has continued to use the mode of test position manual brake separating basically; Because structure is comparatively rationally simplified, and is comparatively laborsaving during operation, stable and reliable for performance and operation facility.
Present embodiment no matter when circuit breaker in test position during still in the service position, as long as circuit breaker is in "on" position, will be cover plate 3 is spacing on the position that blocks handle hole 11 by brake mechanism, thereby make action bars can not be inserted in the handle hole, naturally also just can not generation will be in the misoperation that the "on" position circuit breaker of service position is removed by force, so the utlity model has good security performance.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (3)
1. handcart-type high pressure switch, comprise handcart (1) and place high pressure circuit breaker (2) on the handcart (1), described circuit breaker (2) comprises main shaft (21), driving connecting lever (22), is provided with the magneto driver (23) of drive rod (231), and described drive rod (231) drives main shaft (21) rotation by driving connecting lever (22);
It is characterized in that: described drive rod (231) vertically is provided with along the plumb line direction, and stretches out the roof of magneto driver (23) on it, and the top of described drive rod (231) is provided with forced section (2311);
This handcart (1) formula switching device also is provided with a working position manual switching-off device (8), described working position manual switching-off device (8) comprises the rectangle slide rail (81) that is arranged on the handcart (1), be arranged on branch flashboard (82) on the slide rail (81), be arranged on branch restrictor bar (83) in the circuit breaker (2), for the back-moving spring (84) that divides restrictor bar (83) that reseting elasticity is provided, be used for drive rod (231) thus upwards prize the ripping bar (85) of realizing that separating brake moves; Described minute flashboard (82) be provided with the rectangle slide opening, described minute flashboard (82) be set in by its slide opening that slide rail (81) is gone up and can move with circuit breaker (2) along slide rail (81); Described slide rail (81) can rotate in the certain angle scope, and can divide restrictor bar (83) to move along the vertical direction by dividing flashboard (82) to drive in rotation process, described minute restrictor bar (83) in the process of moving up and down, drive ripping bar (85) and rotate.
2. handcart-type high pressure switch according to claim 1, it is characterized in that: the middle part of described ripping bar (85) is rotated and is arranged on the roof of magneto driver (23), one end of described ripping bar (85) can be against when manual brake separating on the forced section (2311) of drive rod (231), and the other end rotates the top that is arranged on branch restrictor bar (83); Described minute restrictor bar (83) be provided with along the plumb line direction, its lower end stretch out circuit breaker (2) housing outer and with described minute flashboard (82) be rotationally connected.
3. handcart-type high pressure switch according to claim 2 is characterized in that: described minute restrictor bar (83) the middle part be fixed with locating part (831); The upper end of described back-moving spring (84) be against described minute restrictor bar (83) locating part on, the lower end is against on circuit breaker (2) housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205925330U CN201887368U (en) | 2010-11-05 | 2010-11-05 | Handcart high and medium-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205925330U CN201887368U (en) | 2010-11-05 | 2010-11-05 | Handcart high and medium-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887368U true CN201887368U (en) | 2011-06-29 |
Family
ID=44184914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205925330U Expired - Lifetime CN201887368U (en) | 2010-11-05 | 2010-11-05 | Handcart high and medium-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887368U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005703A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type high and middle-pressure switch |
| CN105185622A (en) * | 2015-09-28 | 2015-12-23 | 国家电网公司 | Mechanical closing locking device for high-voltage circuit breaker |
| CN105337204A (en) * | 2015-08-25 | 2016-02-17 | 吉林瀚丰电气有限公司 | External manual switching device for permanent magnet mechanism circuit breaker |
-
2010
- 2010-11-05 CN CN2010205925330U patent/CN201887368U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005703A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type high and middle-pressure switch |
| CN102005703B (en) * | 2010-11-05 | 2013-01-16 | 童建朋 | Handcart type high and middle-pressure switch |
| CN105337204A (en) * | 2015-08-25 | 2016-02-17 | 吉林瀚丰电气有限公司 | External manual switching device for permanent magnet mechanism circuit breaker |
| CN105337204B (en) * | 2015-08-25 | 2017-10-10 | 吉林瀚丰电气有限公司 | A kind of external hand separating device of permanent magnet mechanism circuit-breaker |
| CN105185622A (en) * | 2015-09-28 | 2015-12-23 | 国家电网公司 | Mechanical closing locking device for high-voltage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |