CN201514890U - Switching operation mechanism of vacuum circuit breaker - Google Patents
Switching operation mechanism of vacuum circuit breaker Download PDFInfo
- Publication number
- CN201514890U CN201514890U CN2009201829064U CN200920182906U CN201514890U CN 201514890 U CN201514890 U CN 201514890U CN 2009201829064 U CN2009201829064 U CN 2009201829064U CN 200920182906 U CN200920182906 U CN 200920182906U CN 201514890 U CN201514890 U CN 201514890U
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- roller
- semiaxis
- driving shaft
- pallet
- holder
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Abstract
The utility model discloses a switching operation mechanism of a vacuum circuit breaker, which mainly comprises a chassis, a movable seat, a drive shaft, a closing spring, a fixed seat, an energy storage mechanism, a closing mechanism and an opening mechanism, wherein the closing spring is arranged in the drive shaft in a penetrating manner; and the two ends of the closing spring are respectively fixed on the movable seat and the fixed seat. Since the closing spring adopts the form of structure formed by four straight springs, the direction of the torque force of the closing spring (straight springs) in releasing energy is identical to the rotary direction of the drive shaft, the energy is directly transferred to the drive shaft, in the whole process from the energy storing to the closing, the working angle of the spring is about 110 degrees, the closing angle is about 51 degrees, the synchronized closing is approached, the angle is small, the energy consumption is low, and the same time, the dead point problem does not occur, and the action is reliable.
Description
Technical field
The utility model relates to a kind of vacuum switch, particularly relates to a kind of vacuum circuit-breaker switch operating mechanism.
Background technology
The structure of circuit breaker is divided into operating mechanism and switch main body two parts.Breaker open operation and feed motion are finished by operating mechanism.Recent decades, the developing history of circuit breaker shows that operating mechanism has great influence to the development of circuit breaker.The dynamic property of circuit breaker has much relations with the operating technology that is adopted.Operating experience shows for many years, and the mechanical breakdown of operating mechanism accounts for the circuit breaker total failare up to 70.3%.
At present, 10,000 times vacuum circuit-breaker mechanical endurance that China produces does not satisfy the employed requirement of particular field, as metallurgy industry, and electric furnace arrangement for producing steel, stokehold control and protection tailored version switch; Railway System, railway circuit breaker, the vehicle-mounted switch of train, railway split-phase switch all need frequent operation, highly reliable, long-life vacuum circuit-breaker.
The primary structure and the deficiency of existing pull operation mechanism:
(1) it is most of for the extension spring structure that existing domestic vacuum circuit-breaker is joined pull operation mechanism combined floodgate spring, is individually torsion spring structure (as ABB:VD4 mechanism).Extension spring mechanism: to the whole process of closing a floodgate, energy must be converted to Shi Zhuanli by pulling force, passes to driving shaft again from energy storage.360 ° of spring operating angles, about 175 ° of combined floodgate angles, angle is big, energy consumption is big.There was dead unit problem simultaneously, and brought to switch easily and refuse to close or unreliable action.Torsion spring mechanism: each position power of spring distributes and is difficult for evenly, and spring is tired easily, manufacturing process complexity, cost height.
(2) semiaxis of existing domestic and international pull operation mechanism-extension spring or torsion spring is line and face with button arm snapping, the fixed position contact form, and semiaxis weares and teares easily or damages, and brings unreliable action to switch.
(3) existing pull operation mechanism, the drive connection complexity, reliability and life-span all have problems, and are in operation, and change, care and maintenance is frequent, uses to the user to bring inconvenience, and increases operating cost.
Development and operating experience show that the life-span of pull operation mechanism, the height of reliability and mechanism structure form have direct relation for many years.Therefore, no matter be to improve traditional mechanism or development novel mechanism, improve reliability and at first should change the mechanism structure form with the theoretical foundation that increases the service life, structure simplifies the internal structure of an organization.
The utility model content
The purpose of this utility model is to provide the vacuum circuit-breaker switch operating mechanism of a kind of reliable in action, long service life.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of vacuum circuit-breaker switch operating mechanism, and it mainly is made up of cabinet, sliding seat, driving shaft, combined floodgate spring, holder, stored energy mechanism, switching-on mechanism, brake separating mechanism; One end of described driving shaft is installed in the cabinet by sliding seat is rotating, and the other end of driving shaft is fixedly sleeved on holder, and holder is rotating to be installed in the cabinet; Described combined floodgate spring is set in the driving shaft, and the two ends of combined floodgate spring are separately fixed on sliding seat and the holder; Described switching-on mechanism and brake separating mechanism all are socketed on the driving shaft, and are positioned at the side near holder; Described stored energy mechanism is socketed on the sliding seat.
Described driving shaft is a hollow pipe fitting, and the inner of described sliding seat and holder can be nested with respectively in the tube chamber at driving shaft two ends; Described combined floodgate spring is four straight springs, and these four straight springs are set in the driving shaft hollow tube chamber at interval.
The inner that described holder contacts with driving shaft offers cross recess, is connected to respectively in the cross recess of holder after the end bending of described four straight springs.
The inner that described sliding seat contacts with driving shaft offers cross recess, is connected to respectively in the cross recess of sliding seat after the end bending of described four straight springs.
Described brake separating mechanism comprises the separating brake release, goes up semiaxis, bearing pin, locating shaft, button arm, pallet, connecting lever, roller; Described separating brake release is installed in the cabinet and is relative with bearing pin on being plugged on semiaxis, the adsorbable bearing pin of going up on the semiaxis, and locating shaft is installed on the swinging track of bearing pin, limits the bearing pin swinging distance; The described roller of going up semiaxis and detaining on the arm leans mutually, detains arm and is fixed on the fixed axis; On the junction button arm that the inner of described pallet can be swung by rotating shaft, the outer end of pallet can lean mutually with the roller of connecting lever outer end, and the inner of connecting lever is socketed on the driving shaft.
Described switching-on mechanism comprises combined floodgate release, locating shaft, following semiaxis, bearing pin, button arm, roller; Described button arm is socketed on the holder, the rotatable outer that is installed in the button arm of roller; Described combined floodgate release is installed in the cabinet and is relative with bearing pin on being plugged on down semiaxis, the bearing pin swing on the adsorbable semiaxis down, and locating shaft is installed on the swinging track of bearing pin, and following semiaxis leans mutually with roller on detaining arm.
Described semiaxis and the one section short slot that be deep to center line of following semiaxis gone up for radially milling out at the middle part of major axis, in this section short slot, its cross section only is a semicircle, it is relative with roller in the brake separating mechanism to go up semiaxis short slot, this time semiaxis short slot is relative with roller on the switching-on mechanism, and roller can lean with short slot.
Described stored energy mechanism comprises connecting lever, roller, pallet and locating shaft; Described pallet is L shaped member, and its right angle end is fixedly sleeved in rotating shaft, and connecting lever is socketed on the sliding seat, the rotatable outer that is installed in connecting lever of roller; Described roller can lean mutually with an end of pallet, drives pallet around its shaft swing, and the locating shaft that is installed on the pallet swinging track can lean with the other end of pallet, and the motion of restriction pallet.
After adopting such scheme, the utlity model has following advantage:
(1) version of being made up of four straight springs owing to mechanism of the present utility model combined floodgate spring, the direction of power is consistent with the direction of rotation of driving shaft when releasing energy, and is torsion for combined floodgate spring (straight spring).Energy is directly passed to driving shaft, from energy storage to closing a floodgate whole process, about 110 ° of spring operating angles, about 51 ° of combined floodgate angles, near synchroswitching, angle is little, energy consumption is little, does not have dead unit problem, reliable in action simultaneously.
(2) the button arm of the utility model mechanism is equipped with roller, and roller and semiaxis snapping are two camber line contact forms, and simultaneously, the each contact position of button arm roller is different, and it is little to wear and tear, and the life-span is long.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 A, Fig. 2 B are the stereogram and the cutaway views of the utility model stored energy mechanism;
Fig. 3 A, Fig. 3 B are the stereogram and the cutaway views of the utility model brake separating mechanism;
Fig. 4 A, Fig. 4 B are the stereogram and the cutaway views of the utility model switching-on mechanism;
Fig. 5 is the utility model combined floodgate spring scheme of installation.
Embodiment
As shown in Figure 1, a kind of vacuum circuit-breaker switch operating mechanism of the utility model, it mainly is made up of cabinet 1, sliding seat 2, driving shaft 3, combined floodgate spring 4, holder 5, stored energy mechanism 6, switching-on mechanism 7, brake separating mechanism 8.
One end of described driving shaft 3 is by sliding seat 2 rotating being installed in the cabinet 1, and the other end of driving shaft 3 is fixedly sleeved on holder 5, holder 5 rotating being installed in the cabinet 1.Described switching-on mechanism 7 and brake separating mechanism 8 all are socketed on the driving shaft 3, and are positioned at the side near holder 5; Described stored energy mechanism 6 is socketed on the sliding seat 2.
As shown in Figure 5, described driving shaft 3 is a hollow pipe fitting, and the inner of described sliding seat 2 and holder 5 can be nested with in the tube chamber at driving shaft 3 two ends respectively.Described combined floodgate spring 4 is four straight springs 4, and these four straight springs 4 are set in the hollow tube chamber interior (shown in figure 3B) of driving shaft 3 at interval.The inner that described holder 5 (shown in figure 4A) contacts with driving shaft 3 offers cross recess 51, is connected to respectively in the cross recess 51 of holder 5 after the end bending of described four straight springs 4.Described sliding seat 2 offers cross recess (structure is the same with holder 5 cross recess 51) with the inner of driving shaft 3, is connected to respectively in the cross recess of sliding seat 2 after the end bending of described four straight springs 4.
Shown in Fig. 2 A, Fig. 2 B, described stored energy mechanism 6 comprises connecting lever 61, roller 62, pallet 63 and locating shaft 64.Described pallet 63 is L shaped member, and its right angle end is fixedly sleeved in rotating shaft 65, and connecting lever 61 is socketed on the sliding seat 2, the roller 62 rotatable outers that are installed in connecting lever 61; Described roller 62 can lean mutually with an end of pallet 63, drives pallet 63 around its rotating shaft 65 swings, and the locating shaft 64 that is installed on pallet 63 swinging tracks can lean with the other end of pallet 63, and the motion of restriction pallet 63.
Shown in Fig. 3 A, Fig. 3 B, described brake separating mechanism 8 comprises separating brake release 81, last semiaxis 82, bearing pin 83, locating shaft 84, button arm 85, pallet 86, connecting lever 87, roller 88,89.Described separating brake release 81 is installed in the cabinet 1 and is relative with bearing pin 83 on being plugged on semiaxis 82, after 81 energisings of separating brake release, and the 81 iron core work of separating brake release, bump bearing pin 83, realization separating brake.Locating shaft 84 is installed on the swinging track of bearing pin 83, the swinging distance of restriction bearing pin 83; The described roller 88 of going up semiaxis 82 and detaining on the arm 85 leans mutually, detains arm 85 and is fixed on the fixed axis; On the junction button arm 85 that the inner of described pallet 86 can be swung by rotating shaft 80, the outer end of pallet 86 can lean mutually with the roller 89 of connecting lever 87 outer ends, and the inner of connecting lever 87 is socketed on the driving shaft 3.The described one section short slot 821 that be deep to center line of semiaxis 82 of going up for radially milling out at the middle part of major axis, in this section short slot 821, its cross section only is a semicircle, semiaxis short slot 821 is relative with roller 88 on this, can allow roller 88 slip into.
Shown in Fig. 4 A, Fig. 4 B, described switching-on mechanism 7 comprises combined floodgate release 71, locating shaft 72, following semiaxis 73, bearing pin 74, button arm 75, roller 76.Described button arm 75 is socketed on the holder, the roller 76 rotatable outers that are installed in button arm 75; Described combined floodgate release 71 is installed in the cabinet 1 and is relative with bearing pin 74 on being plugged on down semiaxis 73, after 71 energisings of combined floodgate release, and the 71 iron core work of combined floodgate release, bump bearing pin 74 is realized combined floodgate.Locating shaft 72 is installed on the swinging track of bearing pin 74, and following semiaxis 73 leans mutually with the roller 76 of button on the arm 75.The one section short slot 731 that be deep to center line of described semiaxis 73 down for radially milling out at the middle part of major axis, in this section short slot 731, its cross section only is a semicircle, this time semiaxis 73 short slots 731 are relative with roller 76, can allow roller 76 slip into.
Emphasis of the present utility model just is: place straight spring as the combined floodgate spring in driving shaft.
The above, it only is the utility model preferred embodiment, the quantity and the mounting means of straight spring can have multiple, so can not limit the scope that the utility model is implemented with this, the i.e. equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (8)
1. vacuum circuit-breaker switch operating mechanism, it is characterized in that: it mainly is made up of cabinet, sliding seat, driving shaft, combined floodgate spring, holder, stored energy mechanism, switching-on mechanism, brake separating mechanism; One end of described driving shaft is installed in the cabinet by sliding seat is rotating, and the other end of driving shaft is fixedly sleeved on holder, and holder is rotating to be installed in the cabinet; Described combined floodgate spring is set in the driving shaft, and the two ends of combined floodgate spring are separately fixed on sliding seat and the holder; Described switching-on mechanism and brake separating mechanism all are socketed on the driving shaft, and are positioned at the side near holder; Described stored energy mechanism is socketed on the sliding seat.
2. vacuum circuit-breaker switch operating mechanism according to claim 1 is characterized in that: described driving shaft is a hollow pipe fitting, and the inner of described sliding seat and holder can be nested with respectively in the tube chamber at driving shaft two ends; Described combined floodgate spring is four straight springs, and these four straight springs are set in the driving shaft hollow tube chamber at interval.
3. vacuum circuit-breaker switch operating mechanism according to claim 1 and 2, it is characterized in that: the inner that described holder contacts with driving shaft offers cross recess, is connected to respectively in the cross recess of holder after the end bending of described four straight springs.
4. vacuum circuit-breaker switch operating mechanism according to claim 1 and 2, it is characterized in that: the inner that described sliding seat contacts with driving shaft offers cross recess, is connected to respectively in the cross recess of sliding seat after the end bending of described four straight springs.
5. vacuum circuit-breaker switch operating mechanism according to claim 1 is characterized in that: described brake separating mechanism comprises the separating brake release, goes up semiaxis, bearing pin, locating shaft, button arm, pallet, connecting lever, roller; Described separating brake release is installed in the cabinet and is relative with bearing pin on being plugged on semiaxis, the adsorbable bearing pin of going up on the semiaxis, and locating shaft is installed on the swinging track of bearing pin, limits the bearing pin swinging distance; The described roller of going up semiaxis and detaining on the arm leans mutually, detains arm and is fixed on the fixed axis; On the junction button arm that the inner of described pallet can be swung by rotating shaft, the outer end of pallet can lean mutually with the roller of connecting lever outer end, and the inner of connecting lever is socketed on the driving shaft.
6. vacuum circuit-breaker switch operating mechanism according to claim 1 is characterized in that: described switching-on mechanism comprises combined floodgate release, locating shaft, following semiaxis, bearing pin, button arm, roller; Described button arm is socketed on the holder, the rotatable outer that is installed in the button arm of roller; Described combined floodgate release is installed in the cabinet and is relative with bearing pin on being plugged on down semiaxis, the bearing pin swing on the adsorbable semiaxis down, and locating shaft is installed on the swinging track of bearing pin, and following semiaxis leans mutually with roller on detaining arm.
7. according to claim 5 or 6 described vacuum circuit-breaker switch operating mechanisms, it is characterized in that: described semiaxis and the one section short slot that be deep to center line of following semiaxis gone up for radially milling out at the middle part of major axis, in this section short slot, its cross section only is a semicircle, it is relative with roller in the brake separating mechanism to go up semiaxis short slot, this time semiaxis short slot is relative with roller on the switching-on mechanism, and roller can lean with short slot.
8. vacuum circuit-breaker switch operating mechanism according to claim 1 is characterized in that: described stored energy mechanism comprises connecting lever, roller, pallet and locating shaft; Described pallet is L shaped member, and its right angle end is fixedly sleeved in rotating shaft, and connecting lever is socketed on the sliding seat, the rotatable outer that is installed in connecting lever of roller; Described roller can lean mutually with an end of pallet, drives pallet around its shaft swing, and the locating shaft that is installed on the pallet swinging track can lean with the other end of pallet, and the motion of restriction pallet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201829064U CN201514890U (en) | 2009-09-11 | 2009-09-11 | Switching operation mechanism of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201829064U CN201514890U (en) | 2009-09-11 | 2009-09-11 | Switching operation mechanism of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514890U true CN201514890U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201829064U Expired - Fee Related CN201514890U (en) | 2009-09-11 | 2009-09-11 | Switching operation mechanism of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024616A (en) * | 2009-09-11 | 2011-04-20 | 厦门福森达电气有限公司 | Switching operation mechanism of vacuum circuit breaker |
-
2009
- 2009-09-11 CN CN2009201829064U patent/CN201514890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024616A (en) * | 2009-09-11 | 2011-04-20 | 厦门福森达电气有限公司 | Switching operation mechanism of vacuum circuit breaker |
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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: 20100623 Termination date: 20130911 |