CN201514866U - Electrically-operated mechanism for electric switch device - Google Patents
Electrically-operated mechanism for electric switch device Download PDFInfo
- Publication number
- CN201514866U CN201514866U CN 200920311337 CN200920311337U CN201514866U CN 201514866 U CN201514866 U CN 201514866U CN 200920311337 CN200920311337 CN 200920311337 CN 200920311337 U CN200920311337 U CN 200920311337U CN 201514866 U CN201514866 U CN 201514866U
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- working face
- shift fork
- opening
- motor drive
- working
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Abstract
The utility model discloses an electrically-operated mechanism for an electric switch device. The electrically-operated mechanism comprises a base frame, a screw rod pivoted on the base frame, a screw nut in bolted connection with the screw rod, a pin shaft fixedly arranged on the screw nut, an output rotating shaft, and an opening shift fork fixedly arranged on the output rotating shaft and connected with the pin shaft in a matching manner; an opening elongated slot connected with the pin shaft in a matching manner is formed in the center of the tail end of the opening shift fork; the opening elongated slot is provided with two parallel first working planes; two second working planes which are symmetrically positioned on the two sides of the opening elongated slot and respectively connected with the two first working planes are arranged on the tail end surface of the opening shift fork; and the included angles between the first working planes and the second working planes are equal to the rotating angles of the opening shift fork. The pin shaft can drive the shift fork to rotate when the first working planes of the shift fork relatively move, and the pin shaft can not drive the shift fork to rotate when the second working planes of the shift fork relatively move and only can play the role of spacing, therefore, an shift fork output angle is confirmed by parts, and the mechanism can output accurate and reliable output angles.
Description
Affiliated technical field
The utility model relates to a kind of motor drive mechanism that is used for electric switching system, especially an opening shifting fork mechanism.
Background technology
The existing shift fork motor drive mechanism that is used for electric switching system, please refer to Fig. 1, it comprises a pedestal 100 ', one is hubbed on the screw mandrel 200 ' of pedestal 100 ', one is screwed onto the nut 300 ' of screw mandrel 200 ', one is installed in the bearing pin 400 ' of nut 300 ', one output revolving shaft 500 ' and that is hubbed on pedestal 100 ' is installed in output revolving shaft 500 ' and the adaptive opening shift fork 600 ' that is connected bearing pin 400 ' of energy, it is one adaptive and can connect the opening elongated slot 610 ' of bearing pin 400 ' that the center of the end of described opening shift fork 600 ' offers, described opening elongated slot 610 ' has two parallel working faces 611 ', described working face 611 ' long enough, make that described bearing pin 400 ' is positioned at opening elongated slot 610 ' all the time in the shift fork 600 ' rotation process.Because described fork has only a working face, described bearing pin always works on this working face, so it has following deficiency: because after the stroke action, screw mandrel also can be rotated further because of effect of inertia, described inertia rotates and also can continue to drive the shift fork rotation, therefore if desired actuating force is carried out split-hair control and braking, just must avoid inertia to rotate occurs, yet, 1, it is extremely difficult will avoiding occurring the inertia rotation fully, 2, many mechanisms need manual operation, and manual operation is just more difficult to be avoided occurring inertia and rotate.
The utility model content
The utility model provides a kind of motor drive mechanism that is used for electric switching system, and it overcomes the existing defective that is difficult to accurately control corner of motor drive mechanism of prior art.
The technical scheme that its technical problem that solves the utility model adopts is:
The motor drive mechanism that is used for electric switching system, it comprises a pedestal, one is hubbed on the screw mandrel of pedestal, one is screwed onto the nut of screw mandrel, one is installed in the bearing pin of nut, one output revolving shaft and one is installed in output revolving shaft and the adaptive opening shift fork that is connected bearing pin of energy, it is one adaptive and can connect the opening elongated slot of bearing pin that the center of the end of described opening shift fork offers, described opening elongated slot has the two first parallel working faces, the distal end faces of described opening shift fork has second working face that two symmetries are positioned at two sides of opening elongated slot and connect 2 first working faces respectively, and angle equals the rotational angle of opening shift fork between described first working face and second working face.
Among one preferred embodiment, described 2 second working face forming V-shapes are arranged.
Among one preferred embodiment, the intersection rounding off of described first working face and second working face.
Among one preferred embodiment, the guide vane end stop and that it comprises also that a motor, that is located at pedestal is located at pedestal and the gear, of be in transmission connection motor and screw mandrel is installed in pedestal is installed in the travel switch of pedestal.
Among one preferred embodiment, described output revolving shaft is hubbed on pedestal.
Among one preferred embodiment, described screw mandrel comprises that a spiral section and two is positioned at the polished rod section of two ends of spiral section.
Among one preferred embodiment, the distal end faces of described opening shift fork also has two the 3rd working faces that connect 2 second working faces respectively, and described second working face and the 3rd working face intersect and form an angle.
Among one preferred embodiment, described second working face has a medial extremity and an outboard end, and described medial extremity connects first working face, and described outboard end connects the 3rd working face.
Among one preferred embodiment, the distal end faces of described opening shift fork also has two breach that connect 2 second working faces respectively, and the 3rd working face and that described breach has parallel second working face and is lower than second working face connects the tilting table terrace of second working face and the 3rd working face.
The technical program is compared with background technology, it has following advantage: 1. bearing pin can drive shift fork at shift fork first working face and rotates when movable, bearing pin can not drive shift fork at shift fork second working face and rotate when movable, can only play position-limiting action, angle between first working face and second working face equals the shift fork rotational angle, therefore the shift fork output angle is determined by part, mechanism can export accurately, reliable output angle, reduced dependence to the The driving motor control precision, need not complicated dynamic braking device, avoided rotation phenomenon occurring because of inertia, avoided rotation phenomenon occurring because of the secondary Control Failure, and, if mechanism is manual operation, can not occur overdriving after reaching specified output angle equally; 2. the terminal surface at shift fork also is provided with breach or the 3rd working face, when being designed to break away from, the nut on screw mandrel and the screw mandrel (two no spiral fluted polished rod sections are arranged) on the screw mandrel, can offset the bounce-back of shift fork and shift fork connected components, make nut not be subjected to the influence of shift fork bounce (or stressed little), be convenient to nut and under the effect of back-moving spring, enter accurately, reliably the spiral fluted spiral section is arranged on the screw mandrel.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the schematic diagram of the motor drive mechanism that is used for electric switching system of background technology.
Fig. 2 is the schematic perspective view that is used for the motor drive mechanism of electric switching system of the present utility model.
Structural representation when Fig. 3 is operated in first working face for the shift fork that is used for the motor drive mechanism of electric switching system of the present utility model.
Structural representation when Fig. 4 is operated in second working face for the shift fork that is used for the motor drive mechanism of electric switching system of the present utility model.
Structural representation when Fig. 5 is operated in the 3rd working face for the shift fork that is used for the motor drive mechanism of electric switching system of the present utility model.
Fig. 6 is the schematic diagram of the shift fork of the motor drive mechanism that is used for electric switching system among first embodiment of the present utility model.
Fig. 7 is the schematic diagram of the shift fork of the motor drive mechanism that is used for electric switching system among second embodiment of the present utility model.
Embodiment
See also Fig. 2 to Fig. 6, be the preferred embodiment that is used for the motor drive mechanism of electric switching system provided by the utility model, the output revolving shaft 500, that the bearing pin 400, that it comprises that motor 700, that screw mandrel 200, that a pedestal 100, is hubbed on pedestal 100 is located at pedestal 100 is located at pedestal 100 and the gear 800, of be in transmission connection motor 700 and screw mandrel 200 is screwed onto the nut 300 of screw mandrel 200, two side faces that two symmetries are installed in nut 300 is hubbed on pedestal 100 is installed in output revolving shaft 500 and can the adaptive opening shift fork 600 that is connected two bearing pins 400.Described screw mandrel 200 and output revolving shaft 500 vertical settings are provided with guide vane end stop 110, travel switch 120 and back-moving spring 130 on the described pedestal 100.
Described motor 700 drives screw mandrel 200 by gear 800 and rotates, and can drive nut and move relative to the screw mandrel axis, can drive bearing pin and move relative to the screw mandrel axis.Described screw mandrel 200 comprises that a spiral section 210 and two is positioned at the polished rod section 220 of two ends of spiral section.
It is one adaptive and can connect the opening elongated slot 610 of bearing pin 400 that the center of the end of described opening shift fork 600 offers, and described opening elongated slot 610 has the two first parallel working faces 611.The distal end faces of described opening shift fork 600 has second working face 612 that two symmetries are positioned at two sides of opening elongated slot 610, described second working face 612 has a medial extremity and an outboard end, described medial extremity connects first working face 611, wherein: angle equals the rotational angle of opening shift fork 610 between described first working face 611 and second working face 612, the intersection rounding off of described first working face 611 and second working face 612, described 2 second working faces, 612 forming V-shapes are arranged.The distal end faces of described opening shift fork 600 also has two breach that connect 2 second working faces 612 respectively, and the 3rd working face 613 and that described breach has parallel second working face 612 and is lower than second working face 612 connects the medial extremity of second working face 612 and the tilting table terrace 614 of the 3rd working face 613.
This motor drive mechanism course of work comprises: nut enters under the effect of back-moving spring accurately, reliably the spiral fluted spiral section on the screw mandrel, the activity of bearing pin relative tilt step surface; Bearing pin enters second working face by the tilting table terrace; Bearing pin enters first working face, drives shift fork when this bearing pin moves and rotates.
In second preferred embodiment, it and the first preferred embodiment difference are: please refer to Fig. 7, the distal end faces of described opening shift fork 600 also has two the 3rd working faces 615 that connect 2 second working faces respectively, and described second working face and the 3rd working face intersect and form an angle.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the 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 contains.
Claims (9)
1. the motor drive mechanism that is used for electric switching system, it comprises a pedestal, one is hubbed on the screw mandrel of pedestal, one is screwed onto the nut of screw mandrel, one is installed in the bearing pin of nut, one output revolving shaft and one be installed in output revolving shaft and can the adaptive opening that is connected bearing pin dial and, it is characterized in that: described opening dial and the center of end offer one adaptive and can connect the opening elongated slot of bearing pin, described opening elongated slot has the two first parallel working faces, described opening dial and distal end faces have two symmetries and be positioned at two sides of opening elongated slot and connect second working face of 2 first working faces respectively, between described first working face and second working face angle equal that opening is dialled and rotational angle.
2. the motor drive mechanism that is used for electric switching system according to claim 1 is characterized in that: described 2 second working face forming V-shapes are arranged.
3. the motor drive mechanism that is used for electric switching system according to claim 1 is characterized in that: the intersection rounding off of described first working face and second working face.
4. the motor drive mechanism that is used for electric switching system according to claim 1 is characterized in that: the guide vane end stop and that it comprises also that a motor, that is located at pedestal is located at pedestal and the gear, of be in transmission connection motor and screw mandrel is installed in pedestal is installed in the travel switch of pedestal.
5. the motor drive mechanism that is used for electric switching system according to claim 1 is characterized in that: described output revolving shaft is hubbed on pedestal.
6. the motor drive mechanism that is used for electric switching system according to claim 1 is characterized in that: described screw mandrel comprises that a spiral section and two is positioned at the polished rod section of two ends of spiral section.
7. according to claim 1 or 2 or 3 or 4 or the 5 or 6 described motor drive mechanisms that are used for electric switching system, it is characterized in that: described opening dial and distal end faces also have two the 3rd working faces that connect 2 second working faces respectively, described second working face and the 3rd working face intersect and form an angle.
8. the motor drive mechanism that is used for electric switching system according to claim 7 is characterized in that: described second working face has a medial extremity and an outboard end, and described medial extremity connects first working face, and described outboard end connects the 3rd working face.
9. according to claim 1 or 2 or 3 or 4 or the 5 or 6 described motor drive mechanisms that are used for electric switching system, it is characterized in that: described opening dial and distal end faces also have two breach that connect 2 second working faces respectively, the 3rd working face and that described breach has parallel second working face and is lower than second working face connects the tilting table terrace of second working face and the 3rd working face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920311337 CN201514866U (en) | 2009-09-24 | 2009-09-24 | Electrically-operated mechanism for electric switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920311337 CN201514866U (en) | 2009-09-24 | 2009-09-24 | Electrically-operated mechanism for electric switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514866U true CN201514866U (en) | 2010-06-23 |
Family
ID=42486278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920311337 Expired - Lifetime CN201514866U (en) | 2009-09-24 | 2009-09-24 | Electrically-operated mechanism for electric switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012103681A1 (en) * | 2011-01-31 | 2012-08-09 | 江苏东源电器集团股份有限公司 | Switch apparatus with internal arcing prevention |
| CN103026439A (en) * | 2010-08-02 | 2013-04-03 | Abb技术有限公司 | Drive for a switch disconnector with C O switching capacity |
| CN103700534A (en) * | 2013-12-06 | 2014-04-02 | 江苏大全长江电器股份有限公司 | Transitional motion three-position isolating switch over-position protection device |
-
2009
- 2009-09-24 CN CN 200920311337 patent/CN201514866U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103026439A (en) * | 2010-08-02 | 2013-04-03 | Abb技术有限公司 | Drive for a switch disconnector with C O switching capacity |
| CN103026439B (en) * | 2010-08-02 | 2016-01-20 | Abb技术有限公司 | For the drive unit of the disconnect with closed/cut-off switch ability |
| WO2012103681A1 (en) * | 2011-01-31 | 2012-08-09 | 江苏东源电器集团股份有限公司 | Switch apparatus with internal arcing prevention |
| CN103700534A (en) * | 2013-12-06 | 2014-04-02 | 江苏大全长江电器股份有限公司 | Transitional motion three-position isolating switch over-position protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model patent |
Correction item: Claim 1,7,9 Correct: Bo Cha False: Bo You Number: 25 Page: Description Volume: 26 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Claim 1,7,9 Correct: Bo Cha False: Bo You Number: 25 Volume: 26 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CLAIM OF RIGHT 1,7,9; FROM: BOYOU TO: FORK |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
|
| CX01 | Expiry of patent term |