CN201562599U - Electric spring operating mechanism - Google Patents
Electric spring operating mechanism Download PDFInfo
- Publication number
- CN201562599U CN201562599U CN2009203188464U CN200920318846U CN201562599U CN 201562599 U CN201562599 U CN 201562599U CN 2009203188464 U CN2009203188464 U CN 2009203188464U CN 200920318846 U CN200920318846 U CN 200920318846U CN 201562599 U CN201562599 U CN 201562599U
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- pedestal
- transmission
- bearing
- shaft component
- crank arm
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Abstract
An electric spring operating mechanism belonging to the technical field of high voltage comprises a substrate, a motor, a transmission shaft component, an output shaft component, a spring component and a lead screw component, wherein the transmission shaft component and the motor are fixedly arranged on the substrate; the output shaft component is positioned under the transmission shaft component and connected with the transmission shaft component; one end of the spring component is connected with the substrate, and the other end thereof is connected with the transmission shaft component; two ends of the lead screw component are respectively and fixedly arranged on the substrate and connected with the transmission shaft component; and the motor is fixedly arranged on the substrate and connected with the lead screw component in a meshing manner. The electric spring operating mechanism meets the task of driving a fast grounding switch in a GIS so as to realize fast opening and closing of the fast grounding switch; and simultaneously the electric spring operating mechanism has simple and reliable transmission.
Description
Technical field
The utility model relates to the device in a kind of high voltage technique field, specifically is a kind of electric spring operation machine.
Background technology
Electric spring mechanism drives earthed switch can make the switch contact quick acting, thereby realizes closing the function of closing short circuit current, is the indispensable device of high voltage switchgear.To be motor drive spring energy-storage by the deceleration device back of slowing down to basic principle, crosses that the spring releasability of energy storage drives the switch contact quick acting behind the dead point.
Find that through retrieval in the existing electric spring operation machine, the energy storage link is generally slowed down by gear pair or worm and gear slows down realizes to prior art.The gear pair transmission need multistagely could realize big speed ratio, and intermediate link is more, and reliability reduces; The worm and gear transmission can realize big speed ratio, but efficient is too low, needs more powerful power source (motor), certainly will want higher cost and big installing space.In addition, the pedestal of existing operating mechanism adopts triple laminate more, owing to locate inaccurate and clamping plate distortion etc., efficiency of assembling is lower.
The utility model content
The utility model provides a kind of electric spring operation machine at the prior art above shortcomings, satisfies the driving task of the high speed grounding switch among the GIS (gas-insulated metal enclosed switchgear), to realize that high speed grounding switch divides fast, closes a floodgate.Its transmission is simple and reliable.
The utility model is achieved through the following technical solutions, the utility model comprises: pedestal, motor, transmission shaft component, the output shaft assembly, spring assembly and lead screw assembly, wherein: transmission shaft component and motor are fixedly set on the pedestal, the output shaft assembly is positioned at the transmission shaft component below, and be connected with transmission shaft component, spring assembly one end is connected with pedestal, the other end is connected with transmission shaft component, the two ends of lead screw assembly are fixedly set on the pedestal respectively, and be connected with transmission shaft component, motor is fixedly set on the pedestal, and is connected with a joggle with lead screw assembly.
Described transmission shaft component comprises: back shaft, keeper, some needle bearings, first transmission crank arm, second transmission crank arm and the 3rd transmission crank arm, wherein: first transmission crank arm, second transmission crank arm and the 3rd transmission crank arm are rotationally connected with back shaft successively, three groups of needle bearings are arranged at respectively on first transmission crank arm, second transmission crank arm and the 3rd transmission crank arm, back shaft is fixedlyed connected with keeper, and keeper is fixedly set in the pedestal.
Described output shaft assembly comprises: output shaft, output toggle arm, roller, deep groove ball bearing and clutch shaft bearing seat, wherein: output toggle arm is fixedly set on the output shaft and with roller and flexibly connects, output toggle arm is connected with transmission shaft component, deep groove ball bearing is arranged in the clutch shaft bearing seat, and the clutch shaft bearing seat is fixedly set in the pedestal.
Described spring assembly comprises: first bearing, second bearing and spring, and wherein: first bearing is movably set on the transmission shaft component, and second bearing is movably set on the pedestal, and the two ends of spring are connected with two bearings respectively.
Described lead screw assembly comprises: ball-screw, angular contact ball bearing, screw gear and second bearing pedestal, wherein: two angular contact ball bearings are arranged at the two ends of ball-screw respectively and are fixed on second bearing pedestal, second bearing pedestal is fixedly set on the pedestal, and screw gear is fixed on the ball-screw and with motor gear and meshes.
Compared with prior art, the utility model energy storage link adopts the ball-screw transmission, and coefficient of friction is little, efficient is high; Transmission shaft component and output shaft assembly adopt connecting plate to be connected, and be simple in structure, reliability is high, only just can use different gearratios by adjusting connecting lever length on the output shaft assembly, exports different angles, can satisfy the needs of switch difference corners preferably; While the utility model has the accurate in locating mode, and output corner is irrelevant with assembling, and is only relevant with machining accuracy, the corner of the fine control output shaft of energy.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is a stereogram of the present utility model.
Fig. 4 is the utility model embodiment work schematic diagram;
Wherein: Fig. 4 a is the separating brake position view; Fig. 4 b is the dead-centre position schematic diagram; Fig. 4 c is the closing position schematic diagram.
Embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
As depicted in figs. 1 and 2, present embodiment comprises: pedestal 1, motor 2, transmission shaft component 3, output shaft assembly 4, spring assembly 5 and lead screw assembly 6, wherein: transmission shaft component 3 and motor 2 are fixedly set on the pedestal 1, output shaft assembly 4 is positioned at transmission shaft component 3 belows, and be connected with transmission shaft component 3, spring assembly 5 one ends are connected with pedestal 1, the other end is connected with transmission shaft component 3, the two ends of lead screw assembly 6 are fixedly set in respectively on the pedestal 1, and be connected with transmission shaft component 3, motor 2 is fixedly set on the pedestal 1, and is connected with a joggle with lead screw assembly 6.
The output shaft of described motor 2 is provided with motor gear 7;
Shown in Fig. 2,3, described transmission shaft component 3 comprises: back shaft 8, keeper 9, three groups of needle bearings 10, first transmission crank arm 11, second transmission crank arm 12 and the 3rd transmission crank arm 13, wherein: first transmission crank arm 11, second transmission crank arm 12 and the 3rd transmission crank arm 13 are rotationally connected with back shaft 8 successively, three groups of needle bearings 10 are arranged at respectively on first transmission crank arm 11, second transmission crank arm 12 and the 3rd transmission crank arm 13, back shaft 8 is fixedlyed connected with keeper 9, and keeper 9 is fixedly set in the pedestal 1.
As shown in Figure 2, described output shaft assembly 4 comprises: output shaft 14, output toggle arm 15, roller 16, deep groove ball bearing 17 and clutch shaft bearing seat 18, wherein: output toggle arm 15 is fixedly set on the output shaft 14 and with roller 16 and flexibly connects, output toggle arm 15 is connected with transmission shaft component 3, deep groove ball bearing 17 is arranged in the clutch shaft bearing seat 18, and clutch shaft bearing seat 18 is fixedly set in the pedestal 1.
As shown in Figure 4, described spring assembly 5 comprises: first bearing 19, second bearing 20 and spring 21, wherein: first bearing 19 is movably set on the transmission shaft component 3, and second bearing 20 is movably set on the pedestal 1, and the two ends of spring 21 are connected with two bearings respectively.
As shown in Figure 1, described lead screw assembly 6 comprises: ball-screw 22, angular contact ball bearing 23, screw gear 24 and second bearing pedestal 25, wherein: two angular contact ball bearings 23 are arranged at the two ends of ball-screw 22 respectively and are fixed on second bearing pedestal 25, second bearing pedestal 25 is fixedly set on the pedestal 1, and screw gear 24 is fixed on the ball-screw 23 and with motor gear 7 and meshes.
Present embodiment carries out work in the following manner:
As Fig. 1, shown in 4, present embodiment is in the separating brake position, when needs close a floodgate, the high-voltage switch gear control cubicle will provide reclosing command, motor 2 rotates, and motor gear 7 drives screw gear 24 and rotates, because ball-screw 22 is fixed together with screw gear 24, so ball-screw 22 rotatablely moves, nut drives first connecting lever 11 and moves to the left, and first connecting lever 11 contacts with second connecting lever, 12 breach, and second connecting lever 12 clockwise rotates, first bearing, 19 compression springs 21 make its energy storage, turn to the dead-centre position, this moment, spring 21 decrement maximums were crossed the dead point certain angle slightly, the energy that is stored in spring will discharge, cross dead point certain angle second connecting lever 12 and contact with the 3rd connecting lever 13 breach, drive the 3rd connecting lever 13 and rotate, the 3rd connecting lever 13 is connected by first connecting plate 26 with output toggle arm 15, so output toggle arm 15 drives output shaft 14 and rotates, keeper 9 is fixed on the pedestal 1, and when motion puts in place, the breach of the 3rd connecting lever 13 will be run into the breach of keeper 9, realize positioning function, close a floodgate and put in place this moment.
Claims (5)
1. electric spring operation machine, it is characterized in that, comprise: pedestal, motor, transmission shaft component, output shaft assembly, spring assembly and lead screw assembly, wherein: transmission shaft component and motor are fixedly set on the pedestal, the output shaft assembly is positioned at the transmission shaft component below, and be connected with transmission shaft component, spring assembly one end is connected with pedestal, the other end is connected with transmission shaft component, the two ends of lead screw assembly are fixedly set on the pedestal respectively, and be connected with transmission shaft component, motor is fixedly set on the pedestal, and is connected with a joggle with lead screw assembly.
2. electric spring operation machine according to claim 1, it is characterized in that, described transmission shaft component comprises: back shaft, keeper, some needle bearings, first transmission crank arm, second transmission crank arm and the 3rd transmission crank arm, wherein: first transmission crank arm, second transmission crank arm and the 3rd transmission crank arm are rotationally connected with back shaft successively, three groups of needle bearings are arranged at respectively on first transmission crank arm, second transmission crank arm and the 3rd transmission crank arm, back shaft is fixedlyed connected with keeper, and keeper is fixedly set in the pedestal.
3. electric spring operation machine according to claim 1, it is characterized in that, described output shaft assembly comprises: output shaft, output toggle arm, roller, deep groove ball bearing and clutch shaft bearing seat, wherein: output toggle arm is fixedly set on the output shaft and with roller and flexibly connects, output toggle arm is connected with transmission shaft component, deep groove ball bearing is arranged in the clutch shaft bearing seat, and the clutch shaft bearing seat is fixedly set in the pedestal.
4. electric spring operation machine according to claim 1, it is characterized in that, described spring assembly comprises: first bearing, second bearing and spring, wherein: first bearing is movably set on the transmission shaft component, second bearing is movably set on the pedestal, and the two ends of spring are connected with two bearings respectively.
5. electric spring operation machine according to claim 1, it is characterized in that, described lead screw assembly comprises: ball-screw, angular contact ball bearing, screw gear and second bearing pedestal, wherein: two angular contact ball bearings are arranged at the two ends of ball-screw respectively and are fixed on second bearing pedestal, second bearing pedestal is fixedly set on the pedestal, and screw gear is fixed on the ball-screw and with motor gear and meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203188464U CN201562599U (en) | 2009-12-29 | 2009-12-29 | Electric spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203188464U CN201562599U (en) | 2009-12-29 | 2009-12-29 | Electric spring operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562599U true CN201562599U (en) | 2010-08-25 |
Family
ID=42627751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203188464U Expired - Fee Related CN201562599U (en) | 2009-12-29 | 2009-12-29 | Electric spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110535A (en) * | 2011-03-17 | 2011-06-29 | 上海思源高压开关有限公司 | Electric spring operating mechanism |
-
2009
- 2009-12-29 CN CN2009203188464U patent/CN201562599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110535A (en) * | 2011-03-17 | 2011-06-29 | 上海思源高压开关有限公司 | Electric spring operating mechanism |
| CN102110535B (en) * | 2011-03-17 | 2013-02-13 | 上海思源高压开关有限公司 | Electric spring operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181229 |