CN202084445U - Motor driving type change-over switch - Google Patents
Motor driving type change-over switch Download PDFInfo
- Publication number
- CN202084445U CN202084445U CN2011201794594U CN201120179459U CN202084445U CN 202084445 U CN202084445 U CN 202084445U CN 2011201794594 U CN2011201794594 U CN 2011201794594U CN 201120179459 U CN201120179459 U CN 201120179459U CN 202084445 U CN202084445 U CN 202084445U
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- motor
- change over
- over switch
- driven change
- component
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Abstract
The utility model relates to a motor driving type change-over switch used in control circuits of a diesel locomotive and an electric locomotive. The motor driving type change-over switch comprises a motor component and a switch component connected with the motor component together. The utility model provides a motor driving type change-over switch which can realize precise control on a change-over switch and transmission unlocking of the switch component, and is high in safety, strong in reliability, convenient in maintenance and small in volume.
Description
Technical field
The utility model belongs to electric field, relates to a kind of change over switch, relate in particular to a kind of in diesel locomotive and electric locomotive employed motor-driven change over switch in the control circuit.
Technical background
At present, the mode switch that uses on the domestic locomotive of China mainly contains two kinds of forms: a kind ofly be electric empty formula, main pneumatically is as power source, controls compressed air by the electromagnetically operated valve on the control gas circuit and produces and drive conversion power and confining force.Affected by environment big when its major defect is to use, when normally using, can there be condensed water in the air pipe line, in case, will cause blocked air line to make the change over switch can't operate as normal because of cold weather occurs freezingly.Air pipe line complex structure, volume faults such as obstruction, leakage occur greatly, easily in addition, and the reliability of entire system is not high, and is difficult for maintenance and repair.Another kind is an electromagnetic type, lean on electromagnetic force as power source, the mode switch kind of electromagnetic type is less, this change over switch adopt solenoid drive change-over switch arrangement than pneumatic control succinct, be convenient to safeguard, interchangeability is better, but because of the contact of this change over switch more, required confining force is big, during maintenance, needs the change over switch of bigger energy consumption and this technology of event and mechanism also not have batch not to be applied on the locomotive at present.
The utility model content
In order to solve the above-mentioned technical problem that exists in the background technology, the utility model provides a kind of and can realize accurately control, safe, good reliability, can realize transmission release, maintenance facility and the little motor-driven change over switch of volume to switch block change over switch.
Technical solution of the present utility model is: the utility model provides a kind of motor-driven change over switch, and its special character is: described motor-driven change over switch comprises motor component and the switch block that links together with motor component.
Above-mentioned motor component comprises power-generating assembly, transmission component and auxiliary linkage assemblies; Described power-generating assembly links to each other with auxiliary linkage assemblies by transmission component; Described transmission component links to each other with switch block.
Above-mentioned power-generating assembly comprises DC series motor and turbine and worm reducing gear; Described DC series motor and turbine and worm reducing gear link together by the butterfly friction plate; Described turbine and worm reducing gear drives transmission component and carries out transmission; Described transmission component comprises coupling and power transmission shaft; Described power transmission shaft is connected with coupling; Described coupling links to each other with switch block; Described power transmission shaft links to each other with auxiliary linkage assemblies.
Above-mentioned transmission component comprises and also comprises trace that described coupling is connected with power transmission shaft by trace.
Above-mentioned auxiliary linkage assemblies comprises cam, cam drive axle and sensitive switch; Described power transmission shaft drives the cam drive axle and rotates; Described cam drive axle drives the cam rotation that is arranged on the cam drive axle; The closure or openness of described cam driven sensitive switch.
Above-mentioned motor component also comprises the manual rotational structure with the coaxial setting of turbine and worm reducing gear.
The transmission tripper that above-mentioned switch block comprises pivoted frame and is connected with pivoted frame; Described pivoted frame is connected with coupling.
Above-mentioned transmission tripper comprises switching coil, fixed core and contact assembly; Described switching coil is around being arranged on the fixed core; Described fixed core is arranged on the pivoted frame; Described contact assembly be arranged on the corresponding position of switching coil on.
Above-mentioned transmission tripper also comprises auxiliary contact support; Described contact assembly is arranged on the auxiliary contact support, described auxiliary contact support be arranged on the corresponding position of switching coil on.
Above-mentioned contact assembly comprises armature and spring(-supported) mount; One end of described armature is provided with trip, and the end that described armature contains trip links to each other with spring(-supported) mount by trip, the other end of described armature by auxiliary contact support be arranged on the corresponding position of switching coil on; Described spring(-supported) mount is arranged on the auxiliary contact support.
The utility model has the advantages that:
1, can realize accurate control to change over switch.The utility model biggest advantage is exactly by the innovative design to drive part, controls the accurately indexing and the conversion power of control transformation switch by the output to motor; Secondly the switch block level can be associated in the motor both sides by modularized design carries out accurate transmission by motor, makes installing space littler than the transmission change over switch, and maintenance difficulty is lower than conventional switch.
2, safer, more reliable.It is in order to prevent that the switch block clamping stagnation from causing the special butterfly friction plate export structure that adopts of motor rotation blockage that this change over switch provided by the utility model adopts motor, promptly when load torque rubs output torque less than motor, motor can the driven load movement, do not have between the butterfly friction plate and relatively rotate, when load torque rubs output torque greater than motor, produce relative rotation between the butterfly friction plate and be unlikely to because excessive damage motor of load torque and associated mechanisms thereof, make that whole transmission is more reliable, fail safe is higher.
3, can realize transmission release to switch block.The design of the unlocking structure of the switch block that the utility model adopted also is another novel big advantage of this use, (promptly only allow this switch to be in 0 when one group of switch block being cut away according to the circuit needs, do not participate in the side circuit conversion), only need the current switching coil that needs to switch the switch block that falls is powered, when its get electric after, coil drive armature upwarps, armature will draw on the spring(-supported) mount by trip simultaneously, make spring(-supported) mount deviate from pivoted frame, this moment, the reciprocating motion of motor-driven pivoted frame just can not be delivered on the spring(-supported) mount, thereby realized the transmission release to switch block.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the switch block structural representation that the utility model adopts;
Fig. 3 is the motor component structural representation that the utility model adopts;
Wherein:
The 1-switch block; The 2-motor component; The 11-pivoted frame; The 12-switching coil; The 13-fixed core; The 14-auxiliary contact support; 15-armature; The 16-spring(-supported) mount; 21-DC series motor; 22-turbine and worm reducing gear; The 23-motor faceplate; The 24-cam; The 25-sensitive switch; The 26-power transmission shaft; The 27-coupling; 28-cam drive axle; The manual rotational structure of 29-.
Embodiment
Referring to Fig. 1, the utility model provides a kind of motor-driven change over switch, and this motor-driven change over switch comprises by motor component 2 and switch block 1 two parts and forming.Motor-driven change over switch provided by the utility model mainly contain following function or characteristics: 1) break through the compressed air and the solenoid drive pattern of transmission, adopt direct current machine to drive; 2) motor component 2 and switch block 1 are independent fully, only carry out transmission of power by coupling 27; 3) motor component 2 and switch block 1 design respectively position-limit mechanism, guarantees motor and switch transmission safety; 4) switch block 1 adopts modularized design, and three groups of switch blocks 1 can exchange fully.5) direct current machine that is adopted in the motor component 2 adopts the output of friction coupling torque, can prevent and protect motor overload or stall; 6) auxiliary contact adopts modular quick-action switch.
Particularly, the switch block 1 that the utility model adopted and the structure of existing switch module all are identical, its major part comprises body, dynamic/static contact, copper litz wire, junction block, the auxiliary contact assembly, switching coil, the spring(-supported) mount assembly, the action frame assembly, coupling, the fingertip assembly, limit assembly, armature, collude spring, power transmission shaft etc., the annexation of these parts also concerns it is the same with the annexation or the position of existing switch block, these are not the content of required qualification of the present utility model, the concrete structure relation of its switch block 1 is: body is that a die cavity integral body is by a left side, right, top three parts are formed, the inner cavity that forms, pivoted frame 11 is connected on the sidewall of the body left and right sides by coupling 27, and place in the cavity, pivoted frame 11 can freely swing in cavity, the stationary contact headstock is installed in the cylinder block set top by screw, touch spring places between body and the fingertip, be used for providing certain contact pressure for contact, moving contact is installed on the support 11, one end of soft line is fixed on below the moving contact, and the other end is fixed on the lower connecting base.Fixed contact pedestal and Connection Block all are fixed in the cavity of body side plate.Drive disk assembly is connected with pivoted frame 11 by coupling 27, coupling 27 passes pivoted frame 11 and drives pivoted frame 11 reciprocating motions, the spring pivot of riveted joint drives the spring(-supported) mount reciprocating motion on the pivoted frame 11, and the support of spring(-supported) mount and carrying moving contact links together by the nylon pin, thereby form axle and rotate the motion of drive pivoted frame, pivoted frame drives the motion of spring(-supported) mount driving arm again, thereby drives moving contact and fixed contact closure or disconnection.
Different with traditional switch block is, the utility model also is provided with automatic switching control equipment on switch block 1, automatic switching control equipment comprises: switching coil 12 is fixed on the positive side plate of body outside, and be installed in yoke inside, simultaneously, fixed core 13 places coil endoporus place, armature 15 is installed on coil static iron core 13 places by auxiliary contact support 14, armature 15 heads link to each other with spring(-supported) mount 16 by trip, when switching coil 12 electric after, coil drive armature 15 upwarps, and armature 15 will draw on the spring(-supported) mount 16 by trip simultaneously, thereby makes spring(-supported) mount 16 deviate from the transmission release that pivoted frame 11 is realized switch block 1.Auxiliary contact is installed on the auxiliary contact support 14, when switching coil 12 electric after, the action of armature 15 afterbodys drives auxiliary chain conversion from top to bottom, thereby realizes transmission release or automatic switchover to switch block 1.
Operation principle of the present utility model is: DC series motor 21 has two windings, one is just turning around the group drive motors and is rotating counterclockwise, a counter-rotating winding drive motors rotates counterclockwise, after providing motor just to change instruction (give just turning around to organize and power up), motor begins to clockwise rotate the switch block 1 that drives cascade by coupling 27 simultaneously and rotates to the another location from a position, after turning to extreme position, motor component 2 auxiliary linkage assemblies can will just turn around the group outage by inside is chain.Otherwise, when needs switch block 1 from a position when rotate the another location, to motor counter-rotating instruction (powering up for the counter-rotating winding), after turning to extreme position, motor component 2 auxiliary linkage assemblies can will just turn around the group outage by inside is chain.
The main scope of application of motor-driven change over switch provided by the utility model is in diesel locomotive and the electric locomotive in the control circuit, this change over switch has broken through traditional electromagnetic drive mechanism in design and pneumatic control mechanism transfers to adopt more advanced motor drive mode, this change over switch adopts 74V DC series motor-driven, modularized design, every group of change over switch adds three switch blocks 1 by a motor component 2 and forms, can excise and drop into every switch block 1 according to actual needs, and every switch block 1 exchanges versatility and the maintainability that has improved assembling greatly fully.
Claims (10)
1. motor-driven change over switch, it is characterized in that: described motor-driven change over switch comprises motor component and the switch block that links together with motor component.
2. motor-driven change over switch according to claim 1 is characterized in that: described motor component comprises power-generating assembly, transmission component and auxiliary linkage assemblies; Described power-generating assembly links to each other with auxiliary linkage assemblies by transmission component; Described transmission component links to each other with switch block.
3. motor-driven change over switch according to claim 2 is characterized in that: described power-generating assembly comprises DC series motor and turbine and worm reducing gear; Described DC series motor and turbine and worm reducing gear link together by the butterfly friction plate; Described turbine and worm reducing gear drives transmission component and carries out transmission; Described transmission component comprises coupling and power transmission shaft; Described power transmission shaft is connected with coupling; Described coupling links to each other with switch block; Described power transmission shaft links to each other with auxiliary linkage assemblies.
4. motor-driven change over switch according to claim 3 is characterized in that: described transmission component comprises and also comprises trace that described coupling is connected with power transmission shaft by trace.
5. motor-driven change over switch according to claim 4 is characterized in that: described auxiliary linkage assemblies comprises cam, cam drive axle and sensitive switch; Described power transmission shaft drives the cam drive axle and rotates; Described cam drive axle drives the cam rotation that is arranged on the cam drive axle; The closure or openness of described cam driven sensitive switch.
6. motor-driven change over switch according to claim 5 is characterized in that: described motor component also comprises the manual rotational structure with the coaxial setting of turbine and worm reducing gear.
7. according to claim 3 or 4 or 5 or 6 described motor-driven change over switches, it is characterized in that: the transmission tripper that described switch block comprises pivoted frame and is connected with pivoted frame; Described pivoted frame is connected with coupling.
8. motor-driven change over switch according to claim 7 is characterized in that: described transmission tripper comprises switching coil, fixed core and contact assembly; Described switching coil is around being arranged on the fixed core; Described fixed core is arranged on the pivoted frame; Described contact assembly be arranged on the corresponding position of switching coil on.
9. motor-driven change over switch according to claim 8 is characterized in that: described transmission tripper also comprises auxiliary contact support; Described contact assembly is arranged on the auxiliary contact support, described auxiliary contact support be arranged on the corresponding position of switching coil on.
10. motor-driven change over switch according to claim 9 is characterized in that: described contact assembly comprises armature and spring(-supported) mount; One end of described armature is provided with trip, and the end that described armature contains trip links to each other with spring(-supported) mount by trip, the other end of described armature by auxiliary contact support be arranged on the corresponding position of switching coil on; Described spring(-supported) mount is arranged on the auxiliary contact support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201794594U CN202084445U (en) | 2011-05-31 | 2011-05-31 | Motor driving type change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201794594U CN202084445U (en) | 2011-05-31 | 2011-05-31 | Motor driving type change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084445U true CN202084445U (en) | 2011-12-21 |
Family
ID=45345067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201794594U Expired - Lifetime CN202084445U (en) | 2011-05-31 | 2011-05-31 | Motor driving type change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202084445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560026A (en) * | 2013-10-21 | 2014-02-05 | 武汉长海电气科技开发有限公司 | Multi-pole power-driven disconnecting switch |
-
2011
- 2011-05-31 CN CN2011201794594U patent/CN202084445U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560026A (en) * | 2013-10-21 | 2014-02-05 | 武汉长海电气科技开发有限公司 | Multi-pole power-driven disconnecting switch |
| CN103560026B (en) * | 2013-10-21 | 2016-03-30 | 武汉长海电气科技开发有限公司 | A kind of electric multipole motor isolating switch |
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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: 20111221 |