CN203950764U - For the manual-operating mechanism of auto recloser - Google Patents
For the manual-operating mechanism of auto recloser Download PDFInfo
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- CN203950764U CN203950764U CN201420264958.7U CN201420264958U CN203950764U CN 203950764 U CN203950764 U CN 203950764U CN 201420264958 U CN201420264958 U CN 201420264958U CN 203950764 U CN203950764 U CN 203950764U
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- Prior art keywords
- pushing block
- slide
- manual
- operating mechanism
- slip pushing
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Abstract
A kind of manual-operating mechanism for auto recloser, comprise manually operated gear unit, and there is the performance element that is suitable for the opening that the switch lever of circuit breaker passes, gear unit drives performance element to stir switch lever, gear unit comprises the slip pushing block that can reciprocatingly slide along slide rail, slide rail is fixedly placed on the both sides of switch lever, performance element comprises two portions of sliding that can reciprocatingly slide along slide rail and is fixedly connected on two clamping parts that slide between portion, clamping part middle part forms opening, slip pushing block is connected by buffer spring with the portion of sliding.By the setting of buffer spring, make to slide between pushing block and the portion of sliding is non-rigid connection, buffer spring not only plays the effect of adjusting slip pushing block and sliding position deviation between portion in the time of breaking-closing operating, but also can reduce slip pushing block and slide the wearing and tearing between portion, further can reduce the wearing and tearing between the portion of sliding and switch lever, thus the useful life of having improved manual-operating mechanism.
Description
Technical field
The utility model relates to a kind of manual-operating mechanism for auto recloser, belongs to the attachment technique field of low-voltage electrical apparatus.
Background technology
Auto recloser is a kind of automatics that the circuit breaker because of after fault tripping is dropped on demand automatically.In some situation, auto recloser also needs manual operation.
As Chinese patent literature CN103413736A discloses a kind of automatic reclosing operating mechanism, comprise base, motor, transmission mechanism and for driving the actuator of circuit-breaker switching on-off, motor, transmission mechanism and actuator are arranged on described base, the tooth bar that transmission mechanism comprises gear and engages with gear, gear centre offers an interior hexagonal through hole, in the time of needs manual operation, inserting hexagonal handle rotates and can rotate by driven wheel, gear rotates the upper and lower rectilinear motion of band carry-over bar, a side and slide block that tooth bar is anodontia are fixed with bolt arrangement, the other end of slide block is arranged on slide rail, slide rail is fixed on base, the middle part of slide block offers opening, switch lever is through opening, in the time that tooth bar rotates the upper and lower rectilinear motion of band movable slider, slide block control switch lever closes a floodgate, separating brake and detaining again.
But, there is following problem in the prior art: in the prior art in actual use, switch lever is through the opening of switch lever, at switch combined floodgate, separating brake and while detaining again, slide block and switch lever are for being rigidly connected, cause like this slide block and switch lever location consistency in the time of assembling to be had relatively high expectations, otherwise understanding the position deviation assemble because of both time, switch there is the problem of breaking-closing operating stability and poor reliability, even there will be closing switch not detain again, cause the serious consequence of switch failure; In addition, being rigidly connected of slide block and switch lever makes serious wear after switch divide-shut brake frequent operation, and switch reduces useful life greatly.
Utility model content
Therefore, the technical problems to be solved in the utility model is in prior art in automatic reclosing manual-operating mechanism between slide block for driving switch lever and switch lever as being rigidly connected, thereby cause switch stability and reliability to reduce, even lost efficacy and useful life short problem, thereby provide one can improve switch stability and reliability, and the manual-operating mechanism for auto recloser of long service life.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of manual-operating mechanism for auto recloser, comprise manually operated gear unit, and there is the performance element that is suitable for the opening that the switch lever of circuit breaker passes, described gear unit drives described performance element to stir described switch lever, described gear unit comprises the slip pushing block that can reciprocatingly slide along slide rail, described slide rail is fixedly placed on the both sides of described switch lever, described performance element comprises two portions of sliding that can reciprocatingly slide along described slide rail and is fixedly connected on and described in two, slides the clamping part between portion, described clamping part middle part forms described opening, described slip pushing block with described in the portion of sliding be connected by buffer spring.
Described slip pushing block has the insertion section of sliding portion inside described in extending into, and described insertion section is connected by described buffer spring respectively with the portion of sliding described in both sides.
Also comprise the fixed support being fixed on circuit breaker base, on described fixed support, form described slide rail.
Described slide rail is to be arranged in parallel in described switch lever both sides, and cross section is circular longitudinal slide-bar, and the portion of sliding has respectively the first circular hole and the second circular hole that are enclosed within on described longitudinal slide-bar described in the insertion section of described slip pushing block and described performance element.
Described clamping part is the transverse axis that two opposing parallel arrange, and the gap described in two between transverse axis is described opening.
Described gear unit also comprises the swing arm being slidably connected with described slip pushing block one end, and described swing arm promotes described slip pushing block by sliding connection structure and up and down reciprocatingly slides in the time swinging.
Described sliding connection structure comprises and being molded on described slip pushing block, and the slide slot that bearing of trend is vertical with described slip pushing block glide direction, and be arranged on the surface of described swing arm and extend to be inserted into the post that slides coordinating with described slide slot in described slide slot to described slide slot.
The described post that slides is rolling bearing.
The other end of the described slip pushing block of connection one end of described swing arm is provided with interior hexagonal through hole.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. in the utility model, described gear unit comprises the slip pushing block that can reciprocatingly slide along slide rail, described slide rail is fixedly placed on the both sides of described switch lever, both sides arrange that the mode of described slide rail is more smooth and easy while making described gear unit action, stable, described performance element comprises two portions of sliding that can reciprocatingly slide along described slide rail and is fixedly connected on and described in two, slides the clamping part between portion, described clamping part middle part forms described opening, described slip pushing block with described in the portion of sliding be connected by buffer spring, by the setting of described buffer spring, make to slide pushing block with described in slide between portion as non-rigid connection, described buffer spring not only plays the effect of adjusting slip pushing block and sliding position deviation between portion in the time of breaking-closing operating, thereby the pushing block that makes to slide in the time of assembling does not need requirement high especially with the consistency that slides portion, and buffer spring can also reduce slip pushing block and slide the wearing and tearing between portion, further can reduce the wearing and tearing between the portion of sliding and switch lever, thereby improve the useful life of manual-operating mechanism.
2. in the utility model, described slip pushing block has the insertion section of sliding portion inside described in extending into, thereby described insertion section is connected respectively by described buffer spring with the portion of sliding described in both sides, this kind of connection and reasonable arrangement, due to the setting of the buffer spring of both sides, insertion section, make manual-operating mechanism more smooth and easy in the time of breaking-closing operating, work more stable.
3. in the utility model, also comprise the fixed support being fixed on circuit breaker base, on described fixed support, form slide rail, support bracket fastened setting not only makes the slip pushing block and the more convenient layout of performance element that coordinate with slide rail, but also play structure-reinforced effect, further improve job stability and the reliability of manual-operating mechanism.
4. in the utility model, described slide rail is to be arranged in parallel in described switch lever both sides, cross section is circular longitudinal slide-bar, described in the insertion section of described slip pushing block and described performance element, the portion of sliding has respectively the first circular hole and the second circular hole that are enclosed within on described longitudinal slide-bar, this kind of symmetric slide rail arrangement makes manual-operating mechanism more smooth and easy in the time of breaking-closing operating, works more stable.
5. in the utility model, described clamping part is the transverse axis that two opposing parallel arrange, gap described in two between transverse axis is described opening, switch lever is sandwiched in to the set-up mode between two transverse axis, make switch lever its both sides in the time of breaking-closing operating stressed respectively, reduced the wearing and tearing one-sided to switch lever, be conducive to extend the useful life of switch lever, in addition, symmetrical both sides transverse axis be arranged so that breaking-closing operating time more stable.
6. in the utility model, described gear unit also comprises the swing arm being slidably connected with described slip pushing block one end, described swing arm promotes described slip pushing block by sliding connection structure and up and down reciprocatingly slides in the time swinging, described sliding connection structure the wearing and tearing that reduced swing arm and slip pushing block junction are set, be conducive to extend the useful life of swing arm and slip pushing block, in addition, it is more smooth and easy that described sliding connection structure makes swing arm action in the time promoting slip pushing block.
7. in the utility model, the described post that slides is rolling bearing, this kind is arranged so that sliding of swing arm becomes the connection of rolling being connected between post and the slide slot of swing arm, and the wearing and tearing of the connection of rolling are less, the useful life of further improving swing arm and slip pushing block.
8. in the utility model, the other end of the described slip pushing block of the connection of described swing arm one end is provided with interior hexagonal through hole, hexagonal through hole be arranged so that people are convenient to use hexagonal handle and operate.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the perspective view of the utility model manual-operating mechanism;
Fig. 2 is the installation diagram of fixed support, actuator, buffer spring and the switch lever of the utility model manual-operating mechanism;
Fig. 3 is the perspective view of the actuator of the utility model manual-operating mechanism;
Fig. 4 is the swing arm of the utility model manual-operating mechanism and the installation diagram of slip pushing block.
Description of reference numerals: a1-slip pushing block, a111-insertion section, a111a-the first circular hole, a121-slide slot;
A21-slides portion, a21a-the second circular hole, and a22-clamping part, a221-transverse axis, a222-opening,
A3-buffer spring;
A4-fixed support, the longitudinal slide-bar of a41-;
A5-swing arm, a51-slides post, hexagonal through hole in a52-;
A8-switch lever.
Embodiment
As shown in Figure 1, the preferred embodiment of the utility model for the manual-operating mechanism of auto recloser, described manual-operating mechanism comprises by manually operated gear unit and performance element, wherein, described performance element has and is suitable for the opening a222 that the switch lever a8 of circuit breaker passes, in the time of switch breaking-closing operating, and the action of manual operation gear unit, the switch lever of gear unit action drives performance element toggle switch, thus realize the divide-shut brake of switch.
In the present embodiment, as shown in Figure 1, described gear unit comprises the slip pushing block a1 that can reciprocatingly slide along slide rail, described slide rail is fixedly placed on the both sides of described switch lever a8, described performance element comprises two a21 of the portion of sliding that can reciprocatingly slide along described slide rail and is fixedly connected on and described in two, slides the clamping part a22 between the a21 of portion, described clamping part a22 middle part forms described opening a222, described slip pushing block a1 with described in slide the a21 of portion and be connected by buffer spring a3.By the setting of described buffer spring, make to slide pushing block with described in slide between portion as non-rigid connection, described buffer spring not only plays the effect of adjusting slip pushing block and sliding position deviation between portion in the time of breaking-closing operating, thereby the pushing block that makes to slide in the time of assembling does not need requirement high especially with the consistency that slides portion, and buffer spring can also reduce slip pushing block and slide the wearing and tearing between portion, further can reduce the wearing and tearing between the portion of sliding and switch lever, thus the useful life of having improved manual-operating mechanism.
In order to make described slip pushing block a1 more move more smooth and easy in the time that pushing executing mechanism moves, in the present embodiment, as shown in Figure 1, described slip pushing block a1 has the insertion section a111 that slides the a21 of portion inside described in extending into, described insertion section a111 with described in both sides, slide the a21 of portion and be connected by described buffer spring a3 respectively.This kind of set-up mode makes insertion section in the time reciprocatingly sliding, be subject to the effect of both sides buffer spring, improved slip pushing block job stability.Again further, in the present embodiment, the buffer spring of both sides, preferred described insertion section is identical.But, it should be noted that, the utility model is not limited to above-mentioned setting for the setting of described buffer spring, and in other embodiments, described buffer spring can also be according to a side that need to be connected in insertion section of topology layout.
In addition, as illustrated in fig. 1 and 2, described manual-operating mechanism also comprises the fixed support a4 being fixed on circuit breaker base, on described fixed support a4, forms described slide rail.Support bracket fastened setting not only makes the slip pushing block and the more convenient layout of performance element that coordinate with slide rail, but also plays structure-reinforced effect, has further improved job stability and the reliability of manual-operating mechanism.But in the utility model, described slide rail fixed and arranged has much in the mode of described closing switch a8 both sides, for example, in other embodiments, described slide rail can directly be fixed on the base of circuit breaker.
Further, as Figure 1-3, described slide rail is to be arranged in parallel in described switch lever a8 both sides, cross section is circular longitudinal slide-bar a41, slides the a21 of portion described in the insertion section a111 of described slip pushing block a1 and described performance element and has respectively the first circular hole a111a and the second circular hole a21a that are enclosed within on described longitudinal slide-bar a41.This kind of symmetric slide rail arrangement makes manual-operating mechanism more smooth and easy in the time of breaking-closing operating, works more stable.
Above-mentioned clamping part a22, in the present embodiment, as depicted in figs. 1 and 2, is the transverse axis a221 that two opposing parallel arrange, and the gap described in two between transverse axis a221 is described opening a222.Switch lever is sandwiched in to the set-up mode between two transverse axis, make switch lever its both sides in the time of breaking-closing operating stressed respectively, the wearing and tearing one-sided to switch lever are reduced, be conducive to extend the useful life of switch lever, in addition, symmetrical both sides transverse axis be arranged so that breaking-closing operating time more stable.Described clamping part a22 can also be structure as a whole, and is suitable in the moulding of the middle part of integrative-structure the described opening a222 that switch lever passes.
Moreover as shown in Figure 1 and Figure 4, the described gear unit of the present embodiment also comprises the swing arm a5 being slidably connected with described slip pushing block a1 one end, described swing arm a5 promotes described slip pushing block a1 by sliding connection structure and up and down reciprocatingly slides in the time swinging.Described sliding connection structure the wearing and tearing that reduced swing arm and slip pushing block junction are set, be conducive to extend the useful life of swing arm and slip pushing block, in addition, described sliding connection structure makes swing arm action in the time promoting slip pushing block more smooth and easy.
Particularly, as shown in Figure 4, the described sliding connection structure of the present embodiment comprises and being molded on described slip pushing block a1, and the slide slot a121 that bearing of trend is vertical with described slip pushing block a1 glide direction, and be arranged on the surface of described swing arm a5 and to described slide slot a121 extend to be inserted in described slide slot a121, coordinate with described slide slot a121 slide post a51.
And more further particularly, described in to slide post a51 be rolling bearing.Due to the setting of described rolling bearing, make sliding of swing arm become the connection of rolling being connected between post and the slide slot of swing arm, and the wearing and tearing of the connection of rolling are less, the useful life of further improving swing arm and slip pushing block.
As shown in Figure 1, the other end of the described slip pushing block a1 of the connection of described swing arm a5 one end is provided with interior hexagonal through hole a52, and the people that are arranged so that of hexagonal through hole can use hexagonal handle to operate easily.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And among the protection range that the apparent variation of being amplified out thus or variation are still created in the utility model.
Claims (9)
1. the manual-operating mechanism for auto recloser, comprise manually operated gear unit, and there is the performance element that is suitable for the opening (a222) that the switch lever (a8) of circuit breaker passes, described gear unit drives described performance element to stir described switch lever (a8), it is characterized in that: described gear unit comprises the slip pushing block (a1) that can reciprocatingly slide along slide rail, described slide rail is fixedly placed on the both sides of described switch lever (a8), described performance element comprises two portions of sliding (a21) that can reciprocatingly slide along described slide rail and is fixedly connected on and described in two, slides the clamping part (a22) between portion (a21), described clamping part (a22) middle part forms described opening (a222), described slip pushing block (a1) with described in slide portion (a21) and be connected by buffer spring (a3).
2. manual-operating mechanism according to claim 1, it is characterized in that: described slip pushing block (a1) has and slides the inner insertion section (a111) of portion (a21) described in extending into, described insertion section (a111) with described in both sides, slide portion (a21) and be connected by described buffer spring (a3) respectively.
3. manual-operating mechanism according to claim 2, is characterized in that: also comprise the fixed support (a4) being fixed on circuit breaker base, on described fixed support (a4), form described slide rail.
4. manual-operating mechanism according to claim 3, it is characterized in that: described slide rail is to be arranged in parallel in described switch lever (a8) both sides, cross section is circular longitudinal slide-bar (a41), slides portion (a21) described in the insertion section (a111) of described slip pushing block (a1) and described performance element and has respectively the first circular hole (a111a) and the second circular hole (a21a) that are enclosed within on described longitudinal slide-bar (a41).
5. according to the manual-operating mechanism described in any one in claim 1-4, it is characterized in that: described clamping part (a22) is the transverse axis (a221) that two opposing parallel arrange, and the gap between transverse axis described in two (a221) is described opening (a222).
6. manual-operating mechanism according to claim 5, it is characterized in that: described gear unit also comprises the swing arm (a5) being slidably connected with described slip pushing block (a1) one end, described swing arm (a5) promotes described slip pushing block (a1) by sliding connection structure and up and down reciprocatingly slides in the time swinging.
7. manual-operating mechanism according to claim 6, it is characterized in that: described sliding connection structure comprises and being molded on described slip pushing block (a1), and the slide slot (a121) that bearing of trend is vertical with described slip pushing block (a1) glide direction, and be arranged on the surface of described swing arm (a5) and to described slide slot (a121) extend be inserted in described slide slot (a121), coordinate with described slide slot (a121) slide post (a51).
8. manual-operating mechanism according to claim 7, is characterized in that: described in to slide post (a51) be rolling bearing.
9. according to the manual-operating mechanism described in any one in claim 6-8, it is characterized in that: the other end of the described slip pushing block of connection (a1) one end of described swing arm (a5) is provided with interior hexagonal through hole (a52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264958.7U CN203950764U (en) | 2014-05-22 | 2014-05-22 | For the manual-operating mechanism of auto recloser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264958.7U CN203950764U (en) | 2014-05-22 | 2014-05-22 | For the manual-operating mechanism of auto recloser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950764U true CN203950764U (en) | 2014-11-19 |
Family
ID=51892786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420264958.7U Expired - Fee Related CN203950764U (en) | 2014-05-22 | 2014-05-22 | For the manual-operating mechanism of auto recloser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950764U (en) |
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2014
- 2014-05-22 CN CN201420264958.7U patent/CN203950764U/en not_active Expired - Fee Related
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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: 20141119 Termination date: 20190522 |