CN2512103Y - Vacuum separated reversing switch - Google Patents
Vacuum separated reversing switch Download PDFInfo
- Publication number
- CN2512103Y CN2512103Y CN 01275975 CN01275975U CN2512103Y CN 2512103 Y CN2512103 Y CN 2512103Y CN 01275975 CN01275975 CN 01275975 CN 01275975 U CN01275975 U CN 01275975U CN 2512103 Y CN2512103 Y CN 2512103Y
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- CN
- China
- Prior art keywords
- moving
- linkage
- over switch
- nut
- fixed
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- 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 - Lifetime
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
A vacuum separated reversing switch comprises a frame, a plurality of sets of switch units which are arranged on the frame and consist of moving contacts and fixed contacts, as well as an inlet wire string and an outlet wire string which are respectively in electrical connection with the moving contacts and the fixed contacts of each switch unit, wherein, the moving contacts of each switch unit realize the switching-on and the breaking motion of the moving and the fixed contacts by means of an operating mechanism; the moving and the fixed contacts of each switch unit are held in a closed vacuum vessel. Electric arc is not exposed when the contacts break a circuit, thereby, the utility model is safe and reliable when in use. The operating mechanism is provided with energy storage springs, which guarantees that the breaking velocity of the switch units is not affected by operating force and operating velocity and ensures the stability of breaking capability, moreover, the breaking capability is very high can reaches six times than rated current. The operating mechanism is provided with auxiliary springs as well, which causes better damping effect. In addition, the product is compact in structure and beautiful in appearance.
Description
Technical field:
The utility model relates to a kind of vacuum isolating change-over switch.
Background technology:
The isolation reversing switch that existing mining starter is used mainly contains two kinds of forms, and a kind of is the isolation reversing switch of air type, and another kind is a vacuum isolating change-over switch.Wherein the isolation reversing switch breaking capacity of air type is relatively poor, and generally 3 times of rated current of energy disjunction in addition because of contact is exposed in the air, have very big electric arc during disjunction, and fail safe is relatively poor, and the easy scaling loss of contact, and the life-span is shorter.Vacuum isolating change-over switch is at present domestic, and a kind of specification is only arranged is HGZ-300/1140, it mainly is made up of one group of drum contact and one group of vacuum tube, drum contact is used for realizing commutation but can not breaking current, and vacuum tube is used for breaking current, its shortcoming is that operating mechanism is complicated, the drum contact processing technology is bad, contact also undesirable, the major loop arrangement of conductors is irregular, profile is very irregular, and have only 300A current specification, can not adapt to the needs of mining double loop and multiloop (unit switch) starter.
Summary of the invention:
The purpose of this utility model is intended to overcome above-mentioned the deficiencies in the prior art, provides that a kind of processing technology is good, volume is little, simple in structure, vacuum isolating change-over switch that breaking capacity is strong.
The vacuum isolating change-over switch that the utility model provides, comprise a framework, be installed in many groups of switch element and lead-in line row that is electrically connected with the moving contact and the fixed contact of each switch element respectively and the outlet rows that form by moving contact and fixed contact on the described framework, the moving contact of each switch element is by the connection and the disjunction action of operating mechanism realization dynamic/static contact, and the dynamic/static contact of described each switch element is included in the vacuum tank of a sealing.
The utility model also has following additional technical feature:
One end of described framework is provided with two side plates parallel to each other, described operating mechanism comprises that an operating axis, that is rotatably supported on the described biside plate is fixed on the linkage that matches with described slotted disk of the slotted disk that has the special-shaped groove of a pair of symmetry on the described operating axis, two groups of symmetries and the linkage of the described moving contact action of the drive that matches with described two groups of linkages respectively, and each linkage is equipped with coupled energy-stored spring.
Described each linkage comprises a crank, one end of this crank is hinged with the fixed axis that is arranged on the described side plate, the other end is hinged by an end of a crank axle and a connecting rod, described crank axle has an extension that matches with described special-shaped groove, the other end of described connecting rod is hinged by a pitman shaft and a lever, one end of described lever and an end of described energy-stored spring link together, and the other end and described linkage link together.
Described each linkage comprises a rotating shaft, the two ends of this rotating shaft are rotatably mounted to respectively on biside plate and the described framework, match with a transmission arm, one end of this rotating shaft is provided with a key of fixedlying connected with the other end of described lever, described transmission arm is provided with the pressing plate that matches with it, described transmission arm is provided with the jockey that many groups link to each other with described moving contact with described pressing plate, every group of jockey comprises a pull bar, one end of this pull bar is hinged with described pressing plate and described pivoted arm by one, be formed with the cavity of the groove that holds described pull bar one end end and described axle on described pressing plate and the described pivoted arm prejudicially, its other end passes the through hole that is formed in a collar nut one end and is fixed together by a back-up ring, one end of a connecting seat and the other end of collar nut are fixed together threadably, the moving conductive rod of the other end and moving contact is to be threaded, and described outlet row is arranged between described moving conductive rod and the described Connection Block.
The static conductive rod of each switch element is provided with one and adjusts nut, and described lead-in line row is adjusted nut by this and linked to each other with described static conductive rod, and this adjustment nut, described lead-in line row are fixed on the described framework, and described adjustment nut top also is provided with a round nut.
Be formed with the parallel side plate of many groups on the described pressing plate, be provided with secondary spring between every group of side plate and its pairing collar nut.
One end of described energy-stored spring links to each other with the tension spring shaft that is arranged on described side plate, and an end of the other end and described lever links together.
Described operating mechanism also is provided with the limit shaft of a pair of symmetric arrangement.
The utility model has following advantage compared to existing technology: described switch element dynamic/static contact is included in the vacuum tank of a sealing, and electric arc does not expose during contact branch deenergizing, and is safe and reliable when therefore using; Described operating mechanism is provided with energy-stored spring, and the breaking speed that has guaranteed described switch element is not subjected to the influence of operating physical force and service speed, guaranteed the stability of breaking capacity, and its breaking capacity is very high, and breaking capacity reaches 6 times of rated current; Described operating mechanism is provided with secondary spring, and damping effect is better; In addition, this product with compact structure, good looking appearance.
Description of drawings:
Embodiment below in conjunction with accompanying drawing provides describes the utility model in detail, wherein:
Fig. 1 is the front view of a kind of embodiment of the utility model vacuum isolating change-over switch;
Fig. 2 is the vertical view of a kind of embodiment of the utility model;
The structural representation of operating mechanism when Fig. 3 disconnects for the utility model;
The structural representation of operating mechanism when Fig. 4 connects for the utility model;
Fig. 5 is the structural representation of the utility model linkage;
Fig. 6 is the structural representation of the utility model connecting axle and slotted disk;
The schematic diagram that Fig. 7 matches with transmission arm and pressing plate for the utility model rotating shaft;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 be among Fig. 7 B-B to cutaway view;
Figure 10 be among Fig. 1 A-A to cutaway view;
Figure 11 is the electrical schematic diagram of a kind of embodiment of the utility model.
Embodiment:
The embodiment of a kind of vacuum isolating change-over switch that provides below in conjunction with the utility model describes the utility model in detail.As accompanying drawing 1, shown in Figure 10, the utility model vacuum isolating change-over switch, comprise a framework 7, be installed in two groups of switch element 200 and the lead-in line row 8 that is electrically connected with the moving contact and the fixed contact of each switch element 200 respectively and outlet rows 4 that form by moving contact and fixed contact on the described framework 7, every group of switch element comprises three switch elements 200, the moving contact of each switch element 200 is by the connection and the disjunction action of an operating mechanism 201 realization dynamic/static contacts, and the dynamic/static contact of described each switch element 200 is included in the vacuum tank 6 of a sealing.Electric arc did not expose when this structure made contact branch deenergizing, and is safe and reliable when therefore using.
Referring to Fig. 1, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, one end of described framework 7 is provided with two side plates parallel to each other 26, described operating mechanism 201 comprises that one is rotatably supported in the operating axis 12 on the described biside plate 26, one is fixed on the special-shaped groove 207 that has a pair of symmetry on the described operating axis 12,208 slotted disk 10, the linkage 204 that matches with described slotted disk 10 of two groups of symmetries, 205 and respectively with described two groups of linkages 204,205 match drives the linkage 206 that described moving contact moves, 261, each linkage is equipped with coupled energy-stored spring 9.This energy-stored spring 9 has guaranteed that the breaking speed of described switch element is not subjected to the influence of operating physical force and service speed, guaranteed the stability of breaking capacity, and its breaking capacity is very high, and breaking capacity reaches 6 times of rated current.
Described each linkage comprises a crank 11, one end of this crank 11 is hinged with the fixed axis 27 that is arranged on the described side plate 26, the other end is hinged by an end of a crank axle 22 and a connecting rod 13, described crank axle 22 has an extension 209 that matches with described special-shaped groove, the other end of described connecting rod 13 is hinged by a pitman shaft 23 and a lever 14, one end of described lever 14 and an end of described energy-stored spring 9 link together, and the other end and described linkage 206 link together.One end of described lever 14 also is provided with limit shaft 28, and described limit shaft 28 limits the displacement of described lever 14 when switch element 200 disjunctions.
One end of described energy-stored spring 9 links to each other with the tension spring shaft 25 that is arranged on described side plate 26, and an end of the other end and described lever 14 links together.
Referring to Fig. 7, Fig. 8, Fig. 9, described each linkage 206 of Figure 10 comprises a rotating shaft 15, the two ends of this rotating shaft 15 are rotatably mounted to respectively on biside plate 26 and the described framework 7, match with a transmission arm 1, one end of this rotating shaft 15 is provided with a key 24 of fixedlying connected with the other end of described lever 14, described transmission arm 1 is provided with the pressing plate 2 that matches with it, described transmission arm 1 is provided with three groups of jockeys that link to each other with described moving contact with described pressing plate 2, every group of jockey comprises a pull bar 5, one end of this pull bar 5 is hinged with described pressing plate 2 and described pivoted arm 2 by one 3, be formed with the cavity 210 of the groove 212 that holds described pull bar 5 one end ends and described axle 3 on described pressing plate 2 and the described pivoted arm 2 prejudicially, its other end passes the through hole 211 that is formed in a collar nut 18 1 ends and is fixed together by a back-up ring 17, one end of a connecting seat 9 and the other end of collar nut 18 are fixed together threadably, the moving conductive rod 60 of the other end and moving contact is to be threaded, and described outlet row 4 is arranged between described moving conductive rod 60 and the described Connection Block 19.
Referring to shown in Figure 10, the static conductive rod 69 of each switch element 200 is provided with one and adjusts nut 21, described lead-in line row 8 is adjusted nut 21 by this and is linked to each other with described static conductive rod 69, described adjustment nut 21, described lead-in line row 8 are fixed on the described framework 7 by screw, described adjustment nut 21 tops also are provided with a round nut 20, described adjustment nut 21 can be adjusted the distance of opening of described switch element 200, when clockwise rotating described adjustment nut, opens apart from increasing; Otherwise, open apart from reducing.After adjusting, need screw round nut 20.
Referring to shown in Figure 7, be formed with three groups of parallel side plates 213 on the described pressing plate 2, be provided with secondary spring 16 between every group of side plate and its pairing collar nut 8, this secondary spring 16 has the fruit of damping preferably, and when described switch element 200 is connected, provide a thrust that makes progress.
During connection, rotate described operating axis 12 by operating grip (not shown) clockwise (or counterclockwise), slotted disk 10 correspondingly rotates, in described slotted disk 10 rotation processes, the special-shaped groove that has is thereon pushed down described crank axle 22, give the downward power of one, described crank 11 is rotated along described fixed axis 27, described connecting rod 13 corresponding actions under the effect of described crank axle 22, and make lever 14 rotating shaft 15 be rotated along its axle center by flat key 24 by pitman shaft 23, again by transmission arm 1, pressing plate 2 drives every group of three axles 3, three pull bars 5, three back-up rings 17 move upward together, described three switch elements 200 forward 9 (or oppositely) under the effect of its self-closing power and secondary spring 16 is connected circuit, when described crank 11 and described connecting rod 13 when turning over the line of centres of fixed axis 27 and pitman shaft 23, under the effect of energy-stored spring 9, form self-locking, make described switch element be in on-state always.
During disjunction, rightabout during along connection rotates described operating axis 12, special-shaped groove on the described slotted disk 10 is given 22 1 power that make progress of described crank axle, described crank axle 22 is held up under the effect of this power, simultaneously, described crank 11 rotates, behind the line of centres that leaves described fixed axis 27 and described pitman shaft 23, remove self-locking, under the effect of energy-stored spring 9, rightabout when connecting such as described lever 14 parts such as grade moves rapidly, makes switch element 200 rapid disjunctions, hits on limit shaft 28 up to described lever 14.
Referring to Figure 11, the figure shows the electrical schematic diagram of a kind of embodiment of the present utility model, L1, L2 intersect each other among lead-in line row L1, L2, the L3, when described operating axis 12 rotates along pin, one group of three switch element in front 200 are connected, and outlet row U, V, W connect with L1, L2, L3 in regular turn like this; When described operating axis 12 rotated counterclockwise, one group of three switch element in back 200 were connected, and outlet row U, V, W connect with L2, L1, L3 in regular turn like this, realize the commutation operation.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (8)
1, a kind of vacuum isolating change-over switch, comprise a framework (7), be installed in the many groups of switch elements of forming by moving contact and fixed contact (200) on the described framework (7) and lead-in line row (8) that is electrically connected with the moving contact and the fixed contact of each switch element (200) respectively and outlet row (4), the moving contact of each switch element (200) is characterized in that by the connection and the disjunction action of an operating mechanism (201) realization dynamic/static contact the dynamic/static contact of described each switch element (200) is included in the vacuum tank (6) of a sealing.
2, the vacuum isolating change-over switch according to claim 1, an end that it is characterized in that described framework (7) is provided with two side plates parallel to each other (26), described operating mechanism (201) comprises that one is rotatably supported in the operating axis (12) on the described biside plate (26), one is fixed on the special-shaped groove (207 that has a pair of symmetry on the described operating axis (12), 208) slotted disk (10), the linkage (204 that matches with described slotted disk (10) of two groups of symmetries, 205) and respectively with described two groups of linkages (204,205) match and drive the linkage (206 of described moving contact action, 261), each linkage is equipped with coupled energy-stored spring (9).
3, the vacuum isolating change-over switch according to claim 2, it is characterized in that described each linkage comprises a crank (11), one end of this crank (11) is hinged with the fixed axis (27) that is arranged on the described side plate (26), the other end is hinged with an end of a connecting rod (13) by crank axle (22), described crank axle (22) has an extension (209) that matches with described special-shaped groove, the other end of described connecting rod (13) is hinged by a pitman shaft (23) and a lever (14), one end of one end of described lever (14) and described energy-stored spring (9) links together, and the other end and described linkage (206) link together.
4, the vacuum isolating change-over switch according to claim 2, it is characterized in that described each linkage (206) comprises a rotating shaft (15), the two ends of this rotating shaft (15) are rotatably mounted to respectively on biside plate (26) and the described framework (7), match with a transmission arm (1), one end of this rotating shaft (15) is provided with a key (24) of fixedlying connected with the other end of described lever (14), described transmission arm (1) is provided with the pressing plate (2) that matches with it, described transmission arm (1) is provided with the jockey that many groups link to each other with described moving contact with described pressing plate (2), every group of jockey comprises a pull bar (5), one end of this pull bar (5) is hinged with described pressing plate (2) and described pivoted arm (2) by one (3), be formed with the cavity (210) of the groove (212) that holds described pull bar (5) one end ends and described axle (3) on described pressing plate (2) and the described pivoted arm (2) prejudicially, its other end passes the through hole (211) that is formed in a collar nut (18) one ends and is fixed together by a back-up ring (17), the other end of one end of a connecting seat (9) and collar nut (18) is fixed together threadably, the moving conductive rod (60) of the other end and moving contact is to be threaded, and described outlet row (4) is arranged between described moving conductive rod (60) and the described Connection Block (19).
5, the vacuum isolating change-over switch according to claim 1, the static conductive rod (69) that it is characterized in that each switch element (200) is provided with an adjustment nut (21), described lead-in line row (8) is adjusted nut (21) by this and is linked to each other with described static conductive rod (69), this adjustment nut (21), described lead-in line row (8) are fixed on the described framework (7), and described adjustment nut (21) top also is provided with a round nut (20).
6, the vacuum isolating change-over switch according to claim 4 is characterized in that being formed with on the described pressing plate (2) the parallel side plates (213) of many groups, is provided with secondary spring (16) between every group of side plate and its pairing collar nut (8).
7, the vacuum isolating change-over switch according to claim 2 is characterized in that an end of described energy-stored spring (9) links to each other with the tension spring shaft that is arranged on described side plate (26) (25), and an end of the other end and described lever (14) links together.
8, the vacuum isolating change-over switch according to claim 2 is characterized in that described operating mechanism (201) also is provided with the limit shaft (28) of a pair of symmetric arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01275975 CN2512103Y (en) | 2001-12-06 | 2001-12-06 | Vacuum separated reversing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01275975 CN2512103Y (en) | 2001-12-06 | 2001-12-06 | Vacuum separated reversing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2512103Y true CN2512103Y (en) | 2002-09-18 |
Family
ID=33680256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01275975 Expired - Lifetime CN2512103Y (en) | 2001-12-06 | 2001-12-06 | Vacuum separated reversing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2512103Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958673A (en) * | 2010-09-09 | 2011-01-26 | 重庆工学院七一仪表厂 | DC motor reversing controller |
| CN101651061B (en) * | 2009-09-24 | 2011-12-14 | 浙江恒泰科技有限公司 | Electric vacuum isolated phase change switch with manual-isolating switch |
| CN107633962A (en) * | 2016-07-19 | 2018-01-26 | 施耐德电器工业公司 | Device for the motion of cushioning control axle in electric protective device |
-
2001
- 2001-12-06 CN CN 01275975 patent/CN2512103Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651061B (en) * | 2009-09-24 | 2011-12-14 | 浙江恒泰科技有限公司 | Electric vacuum isolated phase change switch with manual-isolating switch |
| CN101958673A (en) * | 2010-09-09 | 2011-01-26 | 重庆工学院七一仪表厂 | DC motor reversing controller |
| CN101958673B (en) * | 2010-09-09 | 2012-07-04 | 重庆工学院七一仪表厂 | DC motor reversing controller |
| CN107633962A (en) * | 2016-07-19 | 2018-01-26 | 施耐德电器工业公司 | Device for the motion of cushioning control axle in electric protective device |
| CN107633962B (en) * | 2016-07-19 | 2020-11-03 | 施耐德电器工业公司 | Device for damping the movement of a control shaft in an electrical protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BADA VACUUM ELECTRIC CO., LTD., YUEQING CITY Free format text: FORMER NAME OR ADDRESS: BADA VACUUM ELECTRICAL APPLIANCE SWITCH FACTORY, LEQING CITY |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Yueqing Bada Vacuum Electrical Appliance Co., Ltd. Patentee before: Bada Vacuum Electrical Appliance Switch Factory, Leqing City |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Zhejiang Bada Vacuum Electric Co., Ltd. False: Yueqing Bada Vacuum Electrical Appliance Co., Ltd. Number: 07 Page: 397 Volume: 21 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: BADA VACUUM ELECTRIC CO., LTD., YUEQING CITY TO: BADA VACUUM ELECTRIC CO.,LTD., ZHEJIANG |
|
| C56 | Change in the name or address of the patentee |
Owner name: BADA ELECTRIC APPLICANCE CO., LTD. Free format text: FORMER NAME OR ADDRESS: BADA VACUUM ELECTRIC CO., LTD., ZHEJIANG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Su Lu Industrial Zone, 104 National Road, Zhejiang, Yueqing Patentee after: Bada Electrical Appliance Co.,Ltd. Address before: 325604 Su Lu Industrial Zone, 104 National Road, Zhejiang, Yueqing Patentee before: Zhejiang Bada Vacuum Electric Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111206 Granted publication date: 20020918 |