CN202443867U - Combination switch contact assembly and reversing transfer switch comprising the same - Google Patents
Combination switch contact assembly and reversing transfer switch comprising the same Download PDFInfo
- Publication number
- CN202443867U CN202443867U CN2012200495424U CN201220049542U CN202443867U CN 202443867 U CN202443867 U CN 202443867U CN 2012200495424 U CN2012200495424 U CN 2012200495424U CN 201220049542 U CN201220049542 U CN 201220049542U CN 202443867 U CN202443867 U CN 202443867U
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- contact
- switch
- contact assembly
- drive mechanism
- moving
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Abstract
The utility model discloses a combination switch contact assembly and a reversing transfer switch comprising the same. Two static contacts of the combination switch contact assembly correspond to two movable contacts, two movable contacts are vertically symmetrically arranged along a radial direction of a spindle, and universal ball pins are arranged on both sides of the centers of the movable contacts. According to the reversing transfer switch comprising the contact assembly, because two static contacts of the combination switch contact assembly correspond to two movable contacts, in comparison with the prior art, nearly half of the size of the spindle is reduced, so that the combination switch contact assembly, an electronic controller and an electromagnetic drive mechanism are integrated, and the volume of the reversing transfer switch is reduced.
Description
Technical field
The utility model relates to a kind of combination switch contact assembly and comprises the switching-over change over switch of this contact assembly.
Background technology
In present prior art, main line is under no-load current in the electric locomotive, and the indispensable electric component that the traction motor group is used to change direction of rotation and electric locomotive change working is still the big Current Position change over switch of multiloop.It has many group switch contact assemblies existing electromagnetic type switching-over change over switch, and every group of switch contact assembly constitutes by a moving contact and two corresponding fixed contacts.When the number of motors in the traction motor group increases, correspondingly to increase the more switches contact assembly, main shaft will be longer, cause the bulky of commutator, and electronic controller can not be integrated on the commutator.
Summary of the invention
The purpose of the utility model is to the deficiency in the prior art, overcomes the shortcoming of said structure, a kind of combination switch contact assembly is provided and comprises the switching-over change over switch of this contact assembly.
The combination switch contact assembly of the utility model; Be achieved through following technical proposals: a kind of combination switch contact assembly; Corresponding two moving contacts of two fixed contacts that it is characterized in that the combination switch contact assembly; To symmetric arrays up and down, the both sides, center of moving contact are provided with universal ball pin along main shaft diameter for two moving contacts.
A kind of switching-over change over switch; It comprises one or more combination switch contact assembly, electronic controller and electromagnetic drive mechanism; The two ends of switching-over change over switch are arranged with left installation bracket and right mounting bracket; Left installation bracket is connected through the insulation lath with right mounting bracket, and on two mounting brackets, insulation is fixedly connected with one or more switch contact assembly to main shaft on main shaft through Bearing Installation; Electronic controller is installed in the left installation bracket left side, and electromagnetic drive mechanism is installed in the right mounting bracket right side.
Auxiliary contact mechanism is installed in the said electromagnetic drive mechanism.
Said auxiliary contact mechanism comprises auxiliary contact cam bit and quick-action contact switch module, and moving iron core connects firmly in said auxiliary contact cam bit and the electromagnetic drive mechanism, and said quick-action contact switch module is installed in auxiliary contact cam bit periphery.
Said fixed contact and moving contact contact portion are equipped with the silver contact sheet.
Said electronic controller is connected with being electrically connected through electric connector of electromagnetic drive mechanism.
The technological progress that the utility model is obtained is: because corresponding two moving contacts of two fixed contacts of combination switch contact assembly; Compared with present technology the main shaft size shortens near half the; Thereby combination switch contact assembly, electronic controller and electromagnetic drive mechanism can be integrated, reduce electromagnetic type switching-over change over switch volume.A side of moving contact is provided with the self adaptation universal ball pin in addition, can remedy the poor contact phenomenon of contact automatically, increases the contact contact-making surface, and it is more reliable to work; The contact portion of dynamic and static contact is equipped with the silver contact sheet, can significantly reduce contact resistance, reduces contact temperature rise, strengthens anti-environmental attack ability; Auxiliary contact mechanism particularly is installed in electromagnetic drive mechanism, and the auxiliary contact cam bit and the corresponding quick-action contact switch module that connect firmly on moving iron core can be by demands of different combination or expansions; Quick-action contact switch module is a full-closed structure, and self-cleaning function is arranged, and reliability is high, and capacity is big, can satisfy the requirement of bad working environments.
Description of drawings
Fig. 1 is the structural representation of the electromagnetic type switching-over change over switch of the utility model.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the B-B view of Fig. 1.
Fig. 4 is the moving contact structure sketch map of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain:
The enforcement illustration is as shown in Figure 1: electromagnetic type switching-over change over switch; Form with electromagnetic drive mechanism 9 by four combination switch contact assemblies 3, electronic controller 13; The two ends of electromagnetic type switching-over change over switch are arranged with left installation bracket 13 and right mounting bracket 12; Left installation bracket 13 is connected through insulation board 5 with right mounting bracket 12; Main shaft 2 is installed on two mounting brackets through bearing 1, and insulation is fixedly connected with compound four switch contact assemblies 3 on main shaft 2, and main shaft 2 is near right mounting bracket 13 anterior connection hand actuation mechanism 8; Electronic controller 14 is installed in left installation bracket 13 left sides; Electromagnetic drive mechanism 9 is installed in right mounting bracket 12 right sides; Electronic controller 13 is connected with being electrically connected through electric connector 7 of electromagnetic drive mechanism 9; Electric connector 7 is installed on the plate 15, through electric connector 7 make connect quick accurately, working stability is reliable, working service is convenient.
Referring to Fig. 2, Fig. 4; Combination switch contact assembly 3 is made up of insulating base 3-1, spring 3-2, moving contact 3-3, self adaptation universal ball pin 3-4 and silver contact sheet 3-5; Two fixed contact 4 corresponding two moving contact 3-3; Two moving contact 3-3 are along main shaft 2 symmetric arrays up and down radially, because two fixed contacts, 4 corresponding two moving contact 3-3 of combination switch contact assembly 3, compared with present technology the main shaft size shortens near half the; Thereby combination switch contact assembly 3, electronic controller 14 can be integrated with electromagnetic drive mechanism 9, reduce electromagnetic type switching-over change over switch volume.The both sides, center of moving contact 3-3 are provided with self adaptation universal ball pin 3-4, can remedy the poor contact phenomenon of contact automatically, increase the contact contact-making surface, and it is more reliable to work.The contact portion of moving contact 3-3 and fixed contact 4 is equipped with silver contact sheet 3-5, can significantly reduce contact resistance, reduces contact temperature rise, strengthens anti-environmental attack ability; Moving contact 3-3 one side connects firmly soft connection 6, supplies external connection is used; Spring 3-2 is fixed on the insulating base 3-1, required contact pressure is provided for moving contact 3-3.
Referring to shown in Figure 3, electromagnetic drive mechanism 9 is made up of solenoid 9-1, static iron core 9-2, moving iron core 9-3, permanent magnet 9-4 and protective cover 11; Auxiliary contact mechanism 10 is installed in the electromagnetic drive mechanism 9; Auxiliary contact mechanism 10 comprises auxiliary contact cam bit 10-2 and quick-action contact switch module 10-1; Moving iron core 9-3 connects firmly in auxiliary contact cam bit 10-2 and the electromagnetic drive mechanism 9; Quick-action contact switch module 10-1 is installed in cam bit 10-2 periphery, and the auxiliary contact cam bit 10-2 and the corresponding quick-action contact switch module 10-1 that connect firmly on moving iron core 9-3 can be by demands of different combination or expansions; Quick-action contact switch module 10-2 is a full-closed structure, and self-cleaning function is arranged, and reliability is high, and capacity is big, can satisfy the requirement of bad working environments.
Claims (6)
1. combination switch contact assembly; It comprises fixed contact and moving contact, it is characterized in that, corresponding two moving contacts of two fixed contacts of said combination switch contact assembly; To symmetric arrays up and down, the both sides, center of moving contact are provided with universal ball pin along main shaft diameter for two moving contacts.
2. combination switch contact assembly according to claim 1 is characterized in that, said fixed contact and moving contact contact portion are equipped with the silver contact sheet.
One kind the switching-over change over switch; It is characterized in that, comprise electronic controller and electromagnetic drive mechanism, also comprise one or more like claim 1 or the described combination switch contact assembly of claim 2; The two ends of electromagnetic type switching-over change over switch are arranged with left installation bracket and right mounting bracket; Left installation bracket is connected through the insulation lath with right mounting bracket, and on two mounting brackets, insulation is fixedly connected with one or more switch contact assembly to main shaft on main shaft through Bearing Installation; Electronic controller is installed in the left installation bracket left side, and electromagnetic drive mechanism is installed in the right mounting bracket right side.
4. switching-over change over switch according to claim 3 is characterized in that, auxiliary contact mechanism is installed in the said electromagnetic drive mechanism.
5. switching-over change over switch according to claim 4; It is characterized in that; Said auxiliary contact mechanism comprises auxiliary contact cam bit and quick-action contact switch module; Moving iron core connects firmly in said auxiliary contact cam bit and the electromagnetic drive mechanism, and said quick-action contact switch module is installed in auxiliary contact cam bit periphery.
6. switching-over change over switch according to claim 3 is characterized in that, said electronic controller is connected with being electrically connected through electric connector of electromagnetic drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200495424U CN202443867U (en) | 2012-02-16 | 2012-02-16 | Combination switch contact assembly and reversing transfer switch comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200495424U CN202443867U (en) | 2012-02-16 | 2012-02-16 | Combination switch contact assembly and reversing transfer switch comprising the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202443867U true CN202443867U (en) | 2012-09-19 |
Family
ID=46825302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200495424U Expired - Lifetime CN202443867U (en) | 2012-02-16 | 2012-02-16 | Combination switch contact assembly and reversing transfer switch comprising the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202443867U (en) |
-
2012
- 2012-02-16 CN CN2012200495424U patent/CN202443867U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |