CN104359659A - Slow-break and slow-close tester for breaker spring operating mechanism - Google Patents
Slow-break and slow-close tester for breaker spring operating mechanism Download PDFInfo
- Publication number
- CN104359659A CN104359659A CN201410578091.7A CN201410578091A CN104359659A CN 104359659 A CN104359659 A CN 104359659A CN 201410578091 A CN201410578091 A CN 201410578091A CN 104359659 A CN104359659 A CN 104359659A
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- Prior art keywords
- slow
- leading screw
- operating mechanism
- nut
- break
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Trip Switchboards (AREA)
Abstract
The invention relates to a slow-break and slow-close tester for a breaker spring operating mechanism. The slow-break and slow-close tester comprises a crank mounted on a sidewall of a base and a pair of connecting plates fixed to other sidewalls of the base; the lower end of the crank is provided with a first pin and a second pin; a support block is mounted between the connecting plates; two ends of the support block are mounted on the connecting plates through a rotary shaft; the center of the support block is in a cavity structure; a thrust ball bearing is mounted in the cavity structure; a screw penetrates an inner ring of the thrust ball bearing; a nut is screwed on the screw; a hook unit is fixed to the front end of the screw; a hook of the hook unit is hooked to the first pin of the crank. The slow-break and slow-close tester allows slow-break and slow-close test for a breaker mechanism which stores energy through flexible elements such as a chain. During rotating of the crank, the angle of the hook is adjusted accordingly; the envelope angle of the hook and a stress element is kept in a safety range.
Description
Technical field
The present invention relates to the Slow-disconnecting and slow-connecting test unit of the isolating switch adopting spring operating mechanism, especially, relate to the Slow-disconnecting and slow-connecting test unit of the isolating switch adopting large power spring operation mechanism.
Background technology
Acceptance criteria according to isolating switch: the isolating switch adopting spring operating mechanism, must do Slow-disconnecting and slow-connecting test, observes whole group of isolating switch whether level and smooth in whole action, without jumping phenomena.There is the line-breaker of reclosing, must reclosing test be carried out, with the correctness of inspection body action.Therefore primary cut-out out of doors, installs at it, in debugging and maintenance process, all to wish point, switching-on mechanism can arbitrarily rest on required optional position, so that installation, overhaul and observe the motion process of this mechanism, searches the reason gone wrong.Therefore adopt the isolating switch of spring operating mechanism, Slow-disconnecting and slow-connecting frock must be equipped with.
Through the retrieval to prior art, be found to be and deal with problems, the existing design organization for the various breaker mechanism by girt transmission at present, such as: Authorization Notice No. is the slow-disconnecting and slow-connecting apparatus that the patent of invention of CN 2664151Y discloses a kind of isolating switch, this device drives leading screw to rotate by turning handle, drive connecting lever to do rectilinear motion by leading screw with engaging of transmission nut again, and then drive pull bar to move with slower speed, reach and isolating switch is divided slowly, close slowly.The application number that the applicant submitted on October 23rd, 2014 is the patent of invention of 201410567808.8, propose " a kind of bindiny mechanism of splitting or integrating lock spring and adjusting tool thereof ", wherein Compress Spring adopts the mode that chain screw rod connects, and can meet 550kV and above high-voltage circuit-breaker switching on-off operational requirements.And the function of the slow-disconnecting and slow-connecting apparatus project organization of existing isolating switch is only limited to the various breaker mechanism by girt transmission, the breaker mechanism carrying out energy storage above by flexible members such as chains cannot be met.
Summary of the invention
Technical matters to be solved by this invention is the Slow-disconnecting and slow-connecting test unit providing a kind of breaker spring operating mechanism, is applicable to the Slow-disconnecting and slow-connecting test being carried out the isolating switch of energy storage by flexible members such as chains.
The present invention's technical scheme that solves the problem is as follows:
A Slow-disconnecting and slow-connecting test unit for breaker spring operating mechanism, is characterized in that:
It comprises the connecting lever be arranged on pedestal sidewall and the web joint be fixed in for a pair on pedestal sidewall, and the lower end of described connecting lever is provided with the first bearing pin and the second bearing pin, and described second bearing pin is connected with chain,
Between two web joints, supporting seat is installed, the two ends of described supporting seat are arranged on web joint with rotating shaft form, be cavity structure in the middle of supporting seat, in cavity structure, thrust ball bearing is installed, through a leading screw in the middle of the inner ring of described thrust ball bearing, described leading screw is installed with the nut be meshed with leading screw, described nut is pressed on the end face of thrust ball bearing, the front end of leading screw is installed with hooking device, and the gib head of described hooking device is hooked on the first bearing pin of connecting lever.
Further improvement is, in process of the test, in order to prevent nut movable, described nut is provided with nut gland.
Conveniently carry, between described two web joints, set firmly connecting link.
Further improving is that described hooking device is provided with two gib heads, and two gib heads are tied together.Such two gib heads can hook the two ends that the first bearing pin stretches out connecting lever.
Principle of work of the present invention is, two web joints are arranged on pedestal sidewall respectively, rotating nut, leading screw through supporting seat realizes rectilinear motion under the effect of nut, leading screw pulls connecting lever to be rotated around axle, in motion process, side force is there is in leading screw to supporting seat, thus supporting seat is rotated relative to web joint, because hook can adjust angle at any time to the acting force of the first bearing pin, thus make connecting lever remain consistent to the acting force of leading screw with the axis direction of leading screw, to reach point, switching-on mechanism can arbitrarily rest on required optional position, so that install, overhaul and observe the motion process of this mechanism, search the reason gone wrong.
Compared with prior art, beneficial effect of the present invention is:
1, present invention achieves the Slow-disconnecting and slow-connecting of the breaker mechanism being carried out energy storage by flexible members such as chains is tested, be especially applicable to adopting application number to be disclosed point, the Slow-disconnecting and slow-connecting test of the isolating switch of switching-in spring bindiny mechanism in 201410567808.8 patents of invention.
2, this device ensure power that leading screw bears always with the power of chain on same straight line, in the rotary course of connecting lever, the hook in device can adjust angle thereupon, ensures that the envelope angle of hook and force-summing element is in the scope of safety.
3, the present invention can drive lead screw straight-line by rotating nut, connecting lever is driven to rotate by the rectilinear motion of leading screw again, and then drive chain to move with slower speed, reach and make isolating switch carry out Slow-disconnecting and slow-connecting operation, and arbitrary position can be rested on.
4, structure of the present invention is simple, dismounting, easy to assembly.When assembly space is narrow, lead screw assembly is first installed on connecting lever, then supporting component, supporting seat, thrust ball bearing are installed on pedestal, last mounting nuts, pressing plate.After finishing using, dismantle part and assembly conversely.
5, the present invention is demountable structure, so when some damage parts, can the new parts of quick-replaceable, and extend the serviceable life of frock.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of leading screw and link in the present invention.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the enlarged drawing in A portion in Fig. 2.
Fig. 6 is the left view of Fig. 2.
Fig. 7 is the structural representation of the present invention at gate-dividing state.
Fig. 8 is partial sectional view of the present invention.
Fig. 9 is the front view of Fig. 8.
Figure 10 is the right view of Fig. 9.
In figure: 1, hooking device; 2, web joint; 3, supporting seat sidewall; 4, nut gland; 5, nut; 6, leading screw; 7, thrust ball bearing; 8, nut assembly; 9, connecting lever; 9a, the first bearing pin; 9b, the second bearing pin; 10, chain; 11, spring; 12, pedestal sidewall; 14, connecting link.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail; the restriction of described embodiment not to invention protection domain; obviously, those of ordinary skill in the art are not needing to obtain other embodiments under the prerequisite paying creative work, and these all belong to protection scope of the present invention.
Shown in composition graphs 1 to Fig. 5, a kind of Slow-disconnecting and slow-connecting test unit of breaker spring operating mechanism, it comprises the connecting lever 9 be arranged on pedestal sidewall 12 and the web joint 2 be fixed in for a pair on pedestal sidewall, two web joints are arranged on two relative pedestal sidewalls respectively by nut assembly 8, the lower end of connecting lever is provided with the first bearing pin 9a and the second bearing pin 9b, wherein, the second bearing pin is connected with chain 10, pulls the rotation that can realize connecting lever by chain.
Between two web joints, supporting seat 3 is installed, the two ends of described supporting seat are arranged on web joint with rotating shaft form, the two ends of supporting seat be mode that hole axle coordinates between web joint, be cavity structure in the middle of supporting seat, thrust ball bearing 7 is installed in cavity structure, through a leading screw 6 in the middle of the inner ring of described thrust ball bearing, described leading screw is installed with the nut 5 be meshed with leading screw, described nut is provided with nut gland 4.Described nut is pressed on the end face of thrust ball bearing, and the front end of leading screw is installed with hooking device 1, and the gib head of described hooking device is hooked on the first bearing pin 9a of connecting lever.As preferably, described hooking device is provided with two gib heads, and two gib heads are tied together.Two gib heads can hook the two ends that the first bearing pin stretches out connecting lever, with reference to figure 2 and Fig. 4, conveniently carry, and set firmly connecting link 14 between described two web joints.
Principle of work of the present invention is, two web joints are arranged on pedestal sidewall respectively, rotating nut, leading screw through supporting seat realizes rectilinear motion under the effect of nut, leading screw pulls connecting lever to be rotated around axle, in motion process, leading screw transmits side force to supporting seat, thus supporting seat is rotated relative to web joint, because hook can adjust angle at any time to the acting force of the first bearing pin, thus make connecting lever remain consistent to the acting force of leading screw with the axis direction of leading screw, to reach point, switching-on mechanism can arbitrarily rest on required optional position, so that install, overhaul and observe the motion process of this mechanism, search the reason gone wrong.
Claims (4)
1. a Slow-disconnecting and slow-connecting test unit for breaker spring operating mechanism, is characterized in that:
It comprises the connecting lever (9) be arranged on pedestal sidewall (12) and the web joint (2) be fixed in for a pair on pedestal sidewall, the lower end of described connecting lever is provided with the first bearing pin (9a) and the second bearing pin (9b), described second bearing pin is connected with chain (10)
Supporting seat (3) is installed between two web joints, the two ends of described supporting seat are arranged on web joint with rotating shaft form, be cavity structure in the middle of supporting seat, thrust ball bearing (7) is installed in cavity structure, through a leading screw (6) in the middle of the inner ring of described thrust ball bearing, described leading screw is installed with the nut (5) be meshed with leading screw, described nut is pressed on the end face of thrust ball bearing, the front end of leading screw is installed with hooking device (1), and the gib head of described hooking device is hooked on first bearing pin (9a) of connecting lever.
2. the Slow-disconnecting and slow-connecting test unit of breaker spring operating mechanism according to claim 1, is characterized in that:
Described nut is provided with nut gland (4).
3. the Slow-disconnecting and slow-connecting test unit of breaker spring operating mechanism according to claim 1, is characterized in that:
Connecting link (14) is set firmly between described two web joints.
4. the Slow-disconnecting and slow-connecting test unit of breaker spring operating mechanism according to claim 1, is characterized in that:
Described hooking device is provided with two gib heads, and two gib heads are tied together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578091.7A CN104359659B (en) | 2014-10-24 | 2014-10-24 | A kind of Slow-disconnecting and slow-connecting experimental rig of breaker spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578091.7A CN104359659B (en) | 2014-10-24 | 2014-10-24 | A kind of Slow-disconnecting and slow-connecting experimental rig of breaker spring operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104359659A true CN104359659A (en) | 2015-02-18 |
| CN104359659B CN104359659B (en) | 2017-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410578091.7A Expired - Fee Related CN104359659B (en) | 2014-10-24 | 2014-10-24 | A kind of Slow-disconnecting and slow-connecting experimental rig of breaker spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104359659B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB242288A (en) * | 1924-10-30 | 1926-01-07 | Stahlwerk Duesseldorf Gebr Boe | Spring testing machine |
| US4255967A (en) * | 1978-07-20 | 1981-03-17 | Exxon Research & Engineering Co. | Method and apparatus for testing the setting of a valve |
| CN201497628U (en) * | 2009-08-06 | 2010-06-02 | 平高集团有限公司 | Direct-acting spring operating mechanism testing device |
| CN201548470U (en) * | 2009-11-24 | 2010-08-11 | 杭州吉达汽车配件有限公司 | Spring fatigue tester |
| CN202177481U (en) * | 2011-08-12 | 2012-03-28 | 江苏新洛凯机电有限公司 | Breaker actuating mechanism brake-separating releasing force testing device |
| CN102881474A (en) * | 2012-10-15 | 2013-01-16 | 上海思源高压开关有限公司 | Spring energy storage control module, operating mechanism and circuit breaker |
| CN203551262U (en) * | 2013-10-09 | 2014-04-16 | 中国西电电气股份有限公司 | Running-in testing device for spring operation mechanism of breaker |
-
2014
- 2014-10-24 CN CN201410578091.7A patent/CN104359659B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB242288A (en) * | 1924-10-30 | 1926-01-07 | Stahlwerk Duesseldorf Gebr Boe | Spring testing machine |
| US4255967A (en) * | 1978-07-20 | 1981-03-17 | Exxon Research & Engineering Co. | Method and apparatus for testing the setting of a valve |
| CN201497628U (en) * | 2009-08-06 | 2010-06-02 | 平高集团有限公司 | Direct-acting spring operating mechanism testing device |
| CN201548470U (en) * | 2009-11-24 | 2010-08-11 | 杭州吉达汽车配件有限公司 | Spring fatigue tester |
| CN202177481U (en) * | 2011-08-12 | 2012-03-28 | 江苏新洛凯机电有限公司 | Breaker actuating mechanism brake-separating releasing force testing device |
| CN102881474A (en) * | 2012-10-15 | 2013-01-16 | 上海思源高压开关有限公司 | Spring energy storage control module, operating mechanism and circuit breaker |
| CN203551262U (en) * | 2013-10-09 | 2014-04-16 | 中国西电电气股份有限公司 | Running-in testing device for spring operation mechanism of breaker |
Non-Patent Citations (1)
| Title |
|---|
| 邓集等: "SF_6断路器操作弹簧疲劳特性试验研究", 《湖南电力》 * |
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| Publication number | Publication date |
|---|---|
| CN104359659B (en) | 2017-06-06 |
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