CN202488021U - Spring operation mechanism, breaker and hand cart type breaker - Google Patents
Spring operation mechanism, breaker and hand cart type breaker Download PDFInfo
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- CN202488021U CN202488021U CN2012200696847U CN201220069684U CN202488021U CN 202488021 U CN202488021 U CN 202488021U CN 2012200696847 U CN2012200696847 U CN 2012200696847U CN 201220069684 U CN201220069684 U CN 201220069684U CN 202488021 U CN202488021 U CN 202488021U
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Abstract
The utility model discloses a spring operation mechanism, a breaker and a hand cart type breaker. The spring operation mechanism comprises a clamp plate, a switching-on half shaft rotatably arranged on the clamp plate and an interlocking device positioned on the clamp plate, wherein the interlocking device comprises a pin shaft which is fixed on the clamp plate, a fastening part and a plate body, the plate body is rotatably arranged on the clamp plate through the fastening part, the plate body comprises a hanging hole and a blocking portion, the hanging hole is sleeved on the pin shaft and used for limiting the plate body to rotate in a set angle range around the fastening part, and the blocking portion is used for limiting the switching-on half shaft to rotate when the plate body rotates to a set angle under the action of external force. The spring operation mechanism can be matched with external equipment to avoid damage caused by false switch-on operation on equipment and the human body, safety coefficient of the mechanism is further improved.
Description
Technical field
The utility model relates to a kind of control of electrical equipment technology, particularly a kind of spring operating mechanism, circuit breaker and handcart type breaker.
Background technology
Circuit breaker is a switchgear important in the electric power system, undertaking the double action of control and protective circuit, and operating mechanism is the important component part of circuit breaker, and separating brake, the feed motion of circuit breaker are all realized through operating mechanism.According to operation principle, the operating mechanism of circuit breaker can be divided into hydraulic actuating mechanism and spring operating mechanism, and wherein, spring operating mechanism has advantages such as lower, the simple in structure and long service life of cost, is widely used in market.
Handcart type breaker (being about to circuit breaker is installed on the handcart that can extract out) has tangible fracture when pulling out, not only be convenient to safety inspection, and have good interchangeability, can improve the reliability of electric power system greatly.In handcart type breaker, chassis is mainly used in load-bearing breaker, with its propelling or release, and the backup actuating device that is connected with bus as components and parts.
In the prior art, when handcart type breaker (promptly is positioned at the centre position) in the process that from the test position to the service position or from the service position to the test position, moves, corresponding interlock is not set between spring operating mechanism and the chassis.
The utility model content
In view of this, the utility model provides a kind of spring operating mechanism, circuit breaker and handcart type breaker, in order to the coefficient of safety of further raising circuit breaker when the centre position.
Therefore, according to the utility model one embodiment, a kind of spring operating mechanism is provided; Comprise clamping plate, be arranged on the combined floodgate semiaxis on the said clamping plate and be arranged at the interlock on the said clamping plate rotationally; Wherein, said interlock comprises: bearing pin, and said bearing pin is fixed in said clamping plate; Securing member; Plate body, said plate body is arranged on the said clamping plate through said securing member rotationally, and said plate body comprises hanging hole and stop part, and said hanging hole is sheathed on the said bearing pin, is used to limit said plate body and rotates in the set angle scope around said securing member; Said stop part is used for when said plate body receives the external force effect and turns to set angle, limiting the rotation of said combined floodgate semiaxis.
From technique scheme, can find out,, limit plate body and can only take up firmware and in the set angle scope, rotate because hanging hole is sheathed on the bearing pin; Stop part can be when plate body receives the external force effect and turns to set angle; Therefore the rotation of restriction combined floodgate semiaxis, can be implemented under the cooperation of external equipment (be external equipment promote plate body rotate); Avoid the false switching operation to equipment and the injury that the person causes, further improved the coefficient of safety of mechanism.
A kind of execution mode as the utility model; Said interlock; Further comprise: return spring; Said return spring is used for losing external force at said plate body to be done the time spent said plate body is resetted, and can be implemented in desired location (the for example service position of handcart type breaker or test position) like this and remove the restriction to the combined floodgate semiaxis.
As a kind of execution mode of the utility model, said stop part is first bending that is bending-like, then first bending when said plate body receives the external force effect and turns to set angle, the rotation of restriction combined floodgate semiaxis, such structure is convenient to production and processing.
Optional, said return spring is extension spring, and an end of said extension spring is fixed in clamping plate, and the other end end of said extension spring is fixed in plate body.
Perhaps; Said return spring is a torsion spring; Said torsion spring comprises the spring body, be positioned at the first spring arm of said spring body one end and be positioned at the second spring arm of the said spring body other end; Said spring body is sheathed on the said bearing pin, and the end of the said first spring arm turns back and is arranged in the edge of said first bending, and the said second spring arm can receive at said plate body and be pressed in said combined floodgate semiaxis when the external force effect turns to set angle.
More than two kinds of return springs all can make plate body do the time spent plate body is resetted losing external force, remove restriction to the combined floodgate semiaxis, do not influence the closing function of spring operating mechanism at desired location.
As a kind of execution mode of the utility model, said plate body further comprises second bending, and said second bending is positioned at the position that plate body receives the external force effect, is convenient to external equipment like this and promotes the plate body rotation.
A kind of execution mode as the utility model; Said spring operating mechanism is applied to handcart type breaker; Said second bending is positioned at the relative bottom of push rod plate body and chassis interlock plate said handcart type breaker, and then said plate body can rotate when the push rod of the second bending suspension chassis car interlock plate promotes, and is barred from the pin that can rotate with said combined floodgate semiaxis to said stop part; And then limit the rotation of said combined floodgate semiaxis; Realize the interlocking between chassis and the circuit breaker, when avoiding circuit breaker to be in the centre position between test position and the service position, because false switching damages the equipment and the person.
Preferably, said hanging hole is a waist-shaped hole, has certain guide effect, and easy to process.
In addition; The embodiment of the utility model also provides a kind of circuit breaker; Said circuit breaker comprises the spring operating mechanism described in the aforementioned techniques scheme; This circuit breaker can be implemented under the cooperation of external equipment (be external equipment promote plate body rotate), the injury of avoiding the false switching operation that the equipment and the person are caused.
In addition; The embodiment of the utility model also provides a kind of handcart type breaker; Said handcart type breaker comprises the spring operating mechanism described in the aforementioned techniques scheme; This handcart type breaker can be realized the interlocking between chassis and the circuit breaker, when avoiding circuit breaker to be in the centre position between test position and the service position, because false switching damages the equipment and the person.
Description of drawings
To make those of ordinary skill in the art more know the above-mentioned of the utility model and other feature and advantage through describe the preferred embodiment of the utility model in detail with reference to accompanying drawing below, in the accompanying drawing:
Fig. 1 is the spring operating mechanism structural representation (circuit breaker is in service position or test position) of the utility model first embodiment;
Fig. 2 is the partial enlarged drawing of Fig. 1 at the A place;
Fig. 3 is the spring operating mechanism structural representation (circuit breaker mediates) of the utility model first embodiment;
Fig. 4 is the partial enlarged drawing of Fig. 3 at the B place;
Fig. 5 is the interlock structural representation of the utility model first embodiment;
Fig. 6 is the spring operating mechanism structural representation (circuit breaker is in service position or test position) of the utility model second embodiment;
Fig. 7 is the partial enlarged drawing of Fig. 6 at the C place.
Wherein, drawing reference numeral is following:
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, below lift embodiment to the utility model further explain.
Fig. 1 to Fig. 5 has schematically shown the spring operating mechanism according to an embodiment of the utility model; Comprise clamping plate 11, be arranged on the combined floodgate semiaxis 12a on the said clamping plate 11 and be arranged at the interlock 10 on the clamping plate 11 rotationally; Wherein, Said interlock 10 comprises bearing pin 13, securing member 14, plate body 15 and return spring 16, and said bearing pin 13 is fixed in clamping plate 11; Said plate body 15 is arranged on the clamping plate 11 through securing member 14 rotationally, and said plate body 15 comprises hanging hole 15a and stop part 15b, and said hanging hole 15a is sheathed on the bearing pin 13, is used to limit plate body 15 and takes up firmware 14 and in the set angle scope, rotate; Said stop part 15b is used for when said plate body 15 receives the external force effect and turns to set angle, the rotation of restriction combined floodgate semiaxis 12a.
In the spring operating mechanism of the utility model,, limited plate body 15 and can only take up firmware 14 and in the set angle scope, rotate because hanging hole 15a is sheathed on the bearing pin 13; Stop part 15b can be when plate body 15 receives the external force effect and turns to set angle; Therefore the rotation of restriction combined floodgate semiaxis 12a, can be implemented under the cooperation of external equipment (be external equipment promote plate body 15 rotate); Avoid the false switching operation to equipment and the injury that the person causes, further improved the coefficient of safety of mechanism.
At Fig. 1 to first embodiment shown in Figure 5; The end of combined floodgate semiaxis 12a is provided with block 12c, pin 12b and the hold-down nut 12d that can rotate simultaneously with combined floodgate semiaxis 12a; Wherein, Block 12c is sheathed on outside the combined floodgate semiaxis 12a, and pin 12b then passes block 12c and combined floodgate semiaxis 12a and fixes through hold-down nut 12d.Stop part 15b can realize through stopping with fixing pin 12b or the block 12c of combined floodgate semiaxis 12a the restriction of combined floodgate semiaxis 12a.
The shape of hanging hole 15a is not limit, and for example can be circular hole, rectangular opening, and mounting hole etc., but need can be placed on the bearing pin 13, can make plate body 15 take up firmware 14 and in the set angle scope, rotate; Be preferably mounting hole, for example in rotational direction offer, have the mounting hole of certain radian, have certain guide effect, and easy to process.
Please continue referring to figs. 1 to shown in Figure 5, said stop part 15b is the first bending 151b that is bending-like, then the first bending 151b when said plate body 15 receives the external force effect and turns to set angle, the rotation of restriction combined floodgate semiaxis 12a; Why select for use bending shape to be because be convenient to production and processing like this, certainly, the shape of stop part 15b is not limited to this, for example, can also be to be fixed in projection on the plate body 15 etc.In addition, said plate body 15 preferably further has the second bending 15c, and the said second bending 15c is positioned at the position that plate body 15 receives the external force effect, be convenient to external equipment like this and promote plate body 15 rotations, and production technology is comparatively simple.
In the embodiment of the utility model, said interlock 10 can further comprise return spring 16, is used for losing external force at said plate body 15 and does the time spent plate body 15 is resetted.Please referring to figs. 1 through first embodiment shown in Figure 5; Return spring 16 can be selected torsion spring 16b for use; Said torsion spring 16b comprises spring body 161b, be positioned at the first spring arm 162b of spring body 161b one end and be positioned at the second spring arm 163b of the spring body 161b other end; Said spring body 161b is sheathed on the bearing pin 13; The end of the said first spring arm 162b turns back and is arranged in the edge of the first bending 151b, and the said second spring arm 163b can receive at said plate body 15 and be pressed in combined floodgate semiaxis 12a when the external force effect turns to set angle.Then do the time spent when plate body 15 loses external force, torsion spring 16b stored energy discharges, thereby with plate body 15 pushed home.Please with reference to Fig. 6 and second embodiment shown in Figure 7, return spring 16 can also be selected extension spring 16a for use, and the end of said extension spring 16a is fixed in clamping plate 11, and the other end of said extension spring 16a is fixed in plate body 15.When plate body 15 received external force effect rotation, extension spring 16a was stretched, and does the time spent when plate body 15 loses external force, and extension spring 16a resets, thereby plate body 15 is retracted original position.
More than two kinds of return springs all can make plate body 15 do the time spent plate body 15 is resetted losing external force; Releasing is to the restriction of combined floodgate semiaxis 12a; Do not influence the closing function of spring operating mechanism, and these two kinds of return springs are comparatively common in desired location (the for example test position of circuit breaker and service position); Simple in structure, cost is lower.
Please refer to Fig. 1 to first embodiment shown in Figure 4; And Fig. 6 and second embodiment shown in Figure 7; Said spring operating mechanism is applied to handcart type breaker; The said second bending 15c is positioned at the relative bottom of push rod 21 of plate body 15 and chassis interlock plate said handcart type breaker, and then said plate body 15 rotates in the time of can promoting at the push rod 21 of the second bending 15c suspension chassis car interlock plate, is barred from the pin 12b that rotates with the semiaxis 12a that closes a floodgate to said stop part 15b; And then the rotation of restriction combined floodgate semiaxis 12a; Realize the interlocking between chassis and the circuit breaker, when avoiding circuit breaker to be in the centre position between test position and the service position, because false switching damages the equipment and the person.
Concrete; When spring operating mechanism is applied to handcart type breaker; The chassis of handcart has interlock plate usually, and the push rod 21 of this chassis interlock plate is in low level usually when handcart type breaker is in service position or test position; And move or by test position during to the centre position that moves the service position to test position when handcart type breaker is in by the service position, will lift and be in a high position.Therefore, the spring operating mechanism of the utility model embodiment is applied to can realize in the handcart type breaker:
When handcart type breaker is in service position or test position; The push rod 21 of chassis interlock plate is in low level; The plate body stop part 15b of the interlock of spring operating mechanism is unrestricted to combined floodgate semiaxis 12a, and combined floodgate semiaxis 12a is in free state, can realize the manual work or the electric switch-on of circuit breaker;
When handcart type breaker mediated, the push rod 21 of chassis interlock plate was in a high position, and the plate body stop part 15b of the interlock of spring operating mechanism is barred from pin 12b, and the rotation of restriction combined floodgate semiaxis 12a can't realize closing function.
Securing member 14 can be selected screw bolt and nut for use, has advantages such as mounting or dismounting are convenient, interchangeability is strong.
In two embodiment of the utility model, utilize part that the shaft extension of spring operating mechanism ad-hoc location goes out clamping plate 11 as bearing pin 13, can avoid like this bearing pin is installed in addition, be convenient to assembling and practice thrift cost.
A kind of circuit breaker that the embodiment of the utility model provides; Comprise the spring operating mechanism described in the aforementioned techniques scheme; This circuit breaker can be implemented under the cooperation of external equipment (be external equipment promote plate body rotate), the injury of avoiding the false switching operation that the equipment and the person are caused.
A kind of handcart type breaker that the embodiment of the utility model provides in addition; Comprise the spring operating mechanism described in the aforementioned techniques scheme; This handcart type breaker can be realized the interlocking between chassis and the circuit breaker; When avoiding circuit breaker to be in the centre position between test position and the service position, because false switching damages the equipment and the person.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a spring operating mechanism is characterized in that, comprises clamping plate (11), is arranged on the combined floodgate semiaxis (12a) on the said clamping plate (11) and be arranged at the interlock (10) on the said clamping plate (11) rotationally, and wherein, said interlock (10) comprising:
Bearing pin (13), said bearing pin (13) is fixed in said clamping plate (11);
Securing member (14);
Plate body (15); Said plate body (15) is arranged on the said clamping plate (11) through said securing member (14) rotationally; Said plate body (15) comprises hanging hole (15a) and stop part (15b); Said hanging hole (15a) is sheathed on the said bearing pin (13), is used to limit said plate body (15) and rotates in the set angle scope around said securing member (14); Said stop part (15b) is used for when said plate body (15) receives the external force effect and turns to set angle, limiting the rotation of said combined floodgate semiaxis (12a).
2. spring operating mechanism as claimed in claim 1 is characterized in that, said interlock (10) further comprises: return spring (16), said return spring (16) are used for losing external force at said plate body (15) and do the time spent said plate body (15) is resetted.
3. spring operating mechanism as claimed in claim 1 is characterized in that, said stop part (15b) is for being first bending (151b) of bending-like.
4. spring operating mechanism as claimed in claim 2 is characterized in that, said return spring (16) is extension spring (16a), and an end of said extension spring (16a) is fixed in said clamping plate (11), and the other end of said extension spring (16a) is fixed in said plate body (15).
5. spring operating mechanism as claimed in claim 3; It is characterized in that; Said return spring (16) is torsion spring (16b); Said torsion spring (16b) comprises spring body (161b), be positioned at the first spring arm (162b) of said spring body (161b) end and be positioned at the second spring arm (163b) of said spring body (161b) other end; Said spring body (161b) is sheathed on the said bearing pin (13), and the end of the said first spring arm (162b) turns back and is arranged in the edge of said first bending (151b), and the said second spring arm (163b) can receive in said plate body (15) and be pressed in said combined floodgate semiaxis (12a) when the external force effect turns to set angle.
6. spring operating mechanism as claimed in claim 3 is characterized in that, said plate body (15) further comprises second bending (15c), and said second bending (15c) is positioned at the position that said plate body (15) receives the external force effect.
7. spring operating mechanism as claimed in claim 6; It is characterized in that; Said spring operating mechanism is applied to handcart type breaker, and said second bending (15c) is positioned at the said plate body relative bottoms of push rod (21) with chassis interlock plate said handcart type breaker (15), then
Said plate body (15) can rotate when said second bending (15c) is promoted by the push rod (21) of said chassis interlock plate; Be barred from the pin (12b) that can rotate with said combined floodgate semiaxis (12a) to said stop part (15b), and then limit the rotation of said combined floodgate semiaxis (12a).
8. spring operating mechanism as claimed in claim 1 is characterized in that, said hanging hole (15a) is a waist-shaped hole.
9. a circuit breaker is characterized in that, comprises, like each described spring operating mechanism in the claim 1～8.
10. a handcart type breaker is characterized in that, comprises, like each described spring operating mechanism in the claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200696847U CN202488021U (en) | 2012-02-28 | 2012-02-28 | Spring operation mechanism, breaker and hand cart type breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200696847U CN202488021U (en) | 2012-02-28 | 2012-02-28 | Spring operation mechanism, breaker and hand cart type breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488021U true CN202488021U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200696847U Expired - Fee Related CN202488021U (en) | 2012-02-28 | 2012-02-28 | Spring operation mechanism, breaker and hand cart type breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202488021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730285A (en) * | 2013-12-17 | 2014-04-16 | 胡光福 | Switching-on interlocking device and method for preventing interlocking failure |
| CN106098468A (en) * | 2016-07-06 | 2016-11-09 | 许继电气股份有限公司 | A kind of spring operating mechanism |
-
2012
- 2012-02-28 CN CN2012200696847U patent/CN202488021U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730285A (en) * | 2013-12-17 | 2014-04-16 | 胡光福 | Switching-on interlocking device and method for preventing interlocking failure |
| CN103730285B (en) * | 2013-12-17 | 2016-02-10 | 宁波舜利高压开关科技有限公司 | Combined floodgate interlock prevents the method for interlock fault |
| CN106098468A (en) * | 2016-07-06 | 2016-11-09 | 许继电气股份有限公司 | A kind of spring operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140228 |