CN202487506U - Anti-impact mechanism with buffering and force-unloading functions - Google Patents
Anti-impact mechanism with buffering and force-unloading functions Download PDFInfo
- Publication number
- CN202487506U CN202487506U CN2012200136667U CN201220013666U CN202487506U CN 202487506 U CN202487506 U CN 202487506U CN 2012200136667 U CN2012200136667 U CN 2012200136667U CN 201220013666 U CN201220013666 U CN 201220013666U CN 202487506 U CN202487506 U CN 202487506U
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- CN
- China
- Prior art keywords
- retainer
- push rod
- buffering
- balance wheel
- rotating shaft
- 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 - Fee Related
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Abstract
The utility model discloses an anti-impact mechanism with buffering and force-unloading functions. The mechanism comprises a stopper, a balancing pendulum, a spacing shaft, a return spring, a pin roll and a rotating shaft, wherein the balancing pendulum comprises a knockout pin, a rotating shaft, a compression spring and a clamping plate; and peripheral devices include a main shaft and a bracket of a breaker. when the breaker in a switch-off status is subject to strong impact, the balancing pendulum turns to a position below the stopper under the effect of the impact and seizes the stopper, thereby preventing the contact terminals of the breaker from coming into contact unexpectedly in the switch-off status; after the impact, the balancing pendulum can return to the initial position under the effect of the return spring, without impacting the normal closing of the breaker; and meanwhile, if normal switch-on is required at the moment of strong impact, the balancing pendulum can be pushed out by the stopper through deformation of the balancing pendulum, so as to avoid disabling the breaker. The buffering and force-unloading mechanism provided by the utility model can ensure more safe and reliable use of the breaker.
Description
Technical field
The utility model relates to a kind of erosion control mechanism that buffering is unloaded the power function that has, and belongs to warship electrical appliance field.
Background technology
Circuit breaker is mainly born the protective effect of distribution line and power consumption equipment overload, under-voltage, short circuit, and circuit breaker closed or break off reaches the purpose of power supply, power failure and change-over circuit.Yet use circuit breaker for warship, if receive intense impact and vibration, the phenomenon of instantaneous closure possibly take place in the circuit breaker that is in open position.Have a strong impact on operating personnel's the safety and the normal operation of equipment, even cause electric power system to damage or cause fire because of short circuit appears in system.
Notification number is " CN 100456412C "; Name is called in the utility model patent of " flame type circuit breaker impact preventing structure "; Being employed in the circuit breaker open position utilizes two retainer schemes that the circuit breaker main shaft is locked to prevent its false switching; When the needs normally closed, the closing operation that utilizes mechanism again is with its release.The shortcoming of this erosion control structure is: since always that it is locked when circuit breaker breaks off, if switch knob breaks down, circuit breaker closure when needs use is not gone up, and this will have a strong impact on the normal operation of electric power system.
Summary of the invention
In view of this; The utility model provides a kind of erosion control mechanism that buffering is unloaded the power function that has; This mechanism can realize when circuit breaker receives thump under gate-dividing state, utilizes the rotation of the effect of impulsive force through retainer limiting circuit breaker main shaft, prevents the circuit breaker false switching; After impacting, erosion control mechanism automatically resets, and does not influence the normally closed of circuit breaker; When guaranteeing to carry out closing operation simultaneously, do not influence the normal combined floodgate of circuit breaker, avoid purpose of breaker failure in the moment that receives thump.
The erosion control mechanism of the utility model comprises retainer, balance wheel, limit shaft, back-moving spring, bearing pin and rotating shaft; Ancillary equipment is the main shaft and the support of circuit breaker.
Its annexation is: retainer is affixed through the circular groove and the circuit breaker main shaft of its upper end, and the retainer lower end is a square structure.Limit shaft, rotating shaft and bearing pin all are fixed on the support.The lower end of balance wheel and rotating shaft flexibly connect, and can rotate around rotating shaft; Be connected through back-moving spring between one side of balance wheel and bearing pin, opposite side and retainer are relative.When not impacting, the balance wheel upper end is connected side and limit shaft and conflicts with bearing pin.
Said balance wheel comprises push rod, rotating shaft, elastomeric element and clamping plate, and a balance wheel upper end side relative with retainer is processed with the groove that is used to install push rod and elastomeric element, connects through rotating shaft between push rod and the clamping plate, and push rod can rotate around this rotating shaft.The push rod upper surface contacts with groove top, is connected through elastomeric element between push rod lower surface and bottom portion of groove, and an end of elastomeric element acts on push rod, and the other end acts on clamping plate.Push rod lower surface front end has boss, and the distance between boss and bottom portion of groove is 3mm-9mm.After elastomeric element produced enough deformation, this boss contacted with bottom portion of groove, is convenient to the release of retainer, also can be used for the location of elastomeric element simultaneously.The size of said elastomeric element elastic force should guarantee can be in the rotation of impacting moment limiting circuit breaker main shaft, can produce enough deformation during breaker closing in the moment of impact impulsive force again, and balance wheel is released.
One end of the relative retainer of push rod upper surface and clamping plate top forms L shaped structure, is used for matching with the square structure of retainer lower end, is as the criterion so that retainer is blocked.
When balance wheel is positioned at the inconsistent position of limit shaft; The gap that 0.1mm-8mm is arranged between the high order end of L shaped structure and retainer low order end; To guarantee that circuit breaker does not receive the influence of balance wheel when the normally closed; Can guarantee simultaneously that balance wheel can block retainer in the retainer rotation when receiving thump, thus the rotation of limiting circuit breaker main shaft.
This buffering is unloaded force mechanisms and can be used in the one or both sides of circuit breaker.
Said elastomeric element can be compression spring, springs etc., and when adopting the compression spring, the number of compression spring can be one or more.
The operation principle of the erosion control mechanism of the utility model is: when circuit breaker receives intense impact; Balance wheel at the effect lower swing of impulsive force to retainer; Retainer is blocked; Prevent the circuit breaker main axis rotation, thereby prevent that the contact of breaker misconnection from touching that this moment, back-moving spring was in extended state; After impacting, under the effect of back-moving spring, balance wheel is got back to the position inconsistent with limit shaft, does not influence the normally closed of circuit breaker.And work as circuit breaker under the normal vibration situation, balance wheel is failure to actuate under the effect of spring.
When the moment in the impact impulsive force needs circuit breaker normally to close a floodgate, this moment balance wheel be rocked under the effect of impulsive force retainer below.The circuit breaker main shaft is applied normal pressure for a long time, and this pressure reaches elastomeric element through push rod, the time elastomeric element produce compressive deformation, thereby make push rod continue around the shaft to rotate, contact with clamping plate until the boss of push rod lower surface.At this moment, the push rod upper surface is the inclined-plane, and the normal pressure that retainer acts on the push rod transfers side-thrust to, and balance wheel is released from the retainer below, and balance wheel is got back to the position inconsistent with limit shaft under the effect of back-moving spring, circuit breaker can normally be closed a floodgate.
Beneficial effect:
The utility model utilizes the inertia force of balance wheel when receiving thump, balance wheel is changed under the retainer on the main shaft, thereby the rotation of restriction main shaft stops contact of breaker misconnection under gate-dividing state to be touched.The application of back-moving spring can make after the impact, and balance wheel can be got back to initial position automatically, does not influence the normally closed of circuit breaker; Guarantee simultaneously that in the moment that receives thump when applying continuous positive pressure power, balance wheel can be through the deformation of self; Balance wheel is released, avoided the disabler of circuit breaker.The utility model makes the use of circuit breaker safer, reliable.
0.1mm-8mm gap on the balance wheel between the high order end of L shaped structure and retainer low order end can guarantee that circuit breaker does not receive the influence of balance wheel when normally closed, and when receiving thump, can before retainer rotates, snap in retainer rapidly.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of balance wheel;
Fig. 3 is the structural representation of the balance wheel of another form.
Wherein, the 1-retainer, the 2-limit shaft, the 3-back-moving spring, the 4-bearing pin, the 5-balance wheel, the 6-rotating shaft, 7-circuit breaker main shaft, the 8-support, the 9-push rod, the 10-rotating shaft, 11-compresses spring, 12-clamping plate, 13-springs.
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, the utility model is described in detail.
The utility model provides a kind of buffering to unload force mechanisms, and is as shown in Figure 1.This mechanism comprises retainer 1, limit shaft 2, back-moving spring 3, bearing pin 4, balance wheel 5 and rotating shaft 6.Ancillary equipment is circuit breaker main shaft 7 and support 8.
The structure of balance wheel 5 is as shown in Figure 2.Comprise push rod 9, rotating shaft 10, compression spring 11 and clamping plate 12.Balance wheel 5 upper ends and retainer 1 a relative side are processed with the groove that is used to install push rod 9 and compression spring 11, connect through rotating shaft 10 between push rod 9 and the clamping plate 12, and push rod 9 can rotate around this rotating shaft 10.Push rod 9 upper surfaces contact with groove top, and two compression springs 11 are installed between push rod 9 lower surfaces and the clamping plate 12, and compression spring 11 1 ends act on push rod 9, and the other end acts on clamping plate 12.Distance between the protruding and bottom portion of groove of push rod 9 lower surface front ends is 5mm.One end of the relative retainer 1 with clamping plate 12 tops of push rod 9 upper surfaces forms L shaped structure, is used for matching with the square structure of retainer 1 lower end, is as the criterion so that retainer 1 is blocked.
Fig. 3 is the balance wheel 5 of the another kind of form of the utility model, in this balance plate 5, is equipped with between push rod 9 lower surfaces and the clamping plate 12 and presses shape spring 13, and compression spring 13 1 ends act on push rod 9, and the other end acts on clamping plate 12.
Under the situation that is not having to impact, balance wheel 5 is positioned at the position inconsistent with limit shaft 2, and back-moving spring 3 is in relaxation state.At this moment, the high order end of L shaped structure and retainer 1 low order end leave the gap of 2mm, do not receive the influence of balance wheel 5 when the normally closed to guarantee circuit breaker, can make that balance wheel 5 can snap in retainer 1 before retainer 1 rotates when receiving thump simultaneously.
In sum, more than being merely the preferred embodiment of the utility model, is not the protection range that is used to limit 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 (8)
1. one kind has the erosion control mechanism that buffering is unloaded the power function, it is characterized in that, comprises retainer (1), balance wheel (5), limit shaft (2), back-moving spring (3), bearing pin (4) and rotating shaft (6); Ancillary equipment is circuit breaker main shaft (7) and support (8);
Its annexation is: retainer (1) is affixed through the circular groove and the circuit breaker main shaft (7) of its upper end, and retainer (1) lower end is a square structure; Limit shaft (2), bearing pin (4) and rotating shaft (6) all are fixed on the support (8); The lower end of balance wheel (5) and rotating shaft (6) flexibly connect; Be connected through back-moving spring (3) between one side of balance wheel (5) and the bearing pin (4), opposite side is with relative with retainer (1); When not impacting, balance wheel (5) upward is connected side and limit shaft (2) and conflicts with bearing pin (4);
Said balance wheel (5) comprises push rod (9), rotating shaft (10), elastomeric element and clamping plate (12); Balance wheel (a 5) upper end side relative with retainer (1) is processed with the groove that is used to install push rod (9) and elastomeric element; Connect through rotating shaft (10) between push rod (9) and the clamping plate (12), push rod (9) can rotate around this rotating shaft (10); Push rod (9) lower surface front end has boss; Push rod (9) upper surface contacts with groove top, is connected through elastomeric element between lower surface and bottom portion of groove, and an end of elastomeric element acts on push rod (9), and the other end acts on clamping plate (12).
2. a kind of erosion control mechanism that buffering is unloaded the power function that has as claimed in claim 1; It is characterized in that; One end of said push rod (9) upper surface and the relative retainer in clamping plate (12) top (1) forms L shaped structure; The square structure of L shaped structure and retainer (1) lower end matches, and is as the criterion so that retainer (1) is blocked.
3. as claimed in claim 2 a kind ofly have buffering and unload the erosion control mechanism of power function, it is characterized in that, said balance wheel (5) is positioned at and during the inconsistent position of limit shaft (2), the gap of 0.1mm-8mm is arranged between the high order end of L shaped structure and retainer (1) low order end.
4. a kind of erosion control mechanism that buffering is unloaded the power function that has as claimed in claim 1 is characterized in that said elastomeric element is compression spring (11).
5. a kind of erosion control mechanism that buffering is unloaded the power function that has as claimed in claim 4 is characterized in that said compression spring (11) is one or more.
6. a kind of erosion control mechanism that buffering is unloaded the power function that has as claimed in claim 1 is characterized in that said elastomeric element is springs (13).
7. a kind of erosion control mechanism that buffering is unloaded the power function that has as claimed in claim 1 is characterized in that the boss and the distance between bottom portion of groove of said push rod (9) lower surface are 3mm-9mm.
8. like claim 1,2,3 or 4 described a kind of erosion control mechanisms that buffering is unloaded the power function that have, it is characterized in that this erosion control mechanism uses in the one or both sides of circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136667U CN202487506U (en) | 2012-01-13 | 2012-01-13 | Anti-impact mechanism with buffering and force-unloading functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136667U CN202487506U (en) | 2012-01-13 | 2012-01-13 | Anti-impact mechanism with buffering and force-unloading functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487506U true CN202487506U (en) | 2012-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200136667U Expired - Fee Related CN202487506U (en) | 2012-01-13 | 2012-01-13 | Anti-impact mechanism with buffering and force-unloading functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202487506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568878A (en) * | 2012-01-13 | 2012-07-11 | 常熟市瑞特电器有限责任公司 | Shock preventing mechanism having buffering stress-alleviating function |
| CN103021718A (en) * | 2012-12-14 | 2013-04-03 | 广西银河迪康电气有限公司 | Three-position switch operating mechanism with anti-overshoot device |
-
2012
- 2012-01-13 CN CN2012200136667U patent/CN202487506U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568878A (en) * | 2012-01-13 | 2012-07-11 | 常熟市瑞特电器有限责任公司 | Shock preventing mechanism having buffering stress-alleviating function |
| CN102568878B (en) * | 2012-01-13 | 2014-07-02 | 常熟瑞特电气股份有限公司 | Shock preventing mechanism having buffering stress-alleviating function |
| CN103021718A (en) * | 2012-12-14 | 2013-04-03 | 广西银河迪康电气有限公司 | Three-position switch operating mechanism with anti-overshoot device |
| CN103021718B (en) * | 2012-12-14 | 2015-08-12 | 广西银河迪康电气有限公司 | There is the anti-operation mechanism with three-position switch crossing flushing device |
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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 |
Granted publication date: 20121010 Termination date: 20150113 |
|
| EXPY | Termination of patent right or utility model |