CN203165826U - Main shaft of breaker operating mechanism - Google Patents
Main shaft of breaker operating mechanism Download PDFInfo
- Publication number
- CN203165826U CN203165826U CN 201320054791 CN201320054791U CN203165826U CN 203165826 U CN203165826 U CN 203165826U CN 201320054791 CN201320054791 CN 201320054791 CN 201320054791 U CN201320054791 U CN 201320054791U CN 203165826 U CN203165826 U CN 203165826U
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- Prior art keywords
- camshaft
- connecting lever
- cam
- drive
- sincere
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- Expired - Lifetime
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Abstract
The utility model relates to the field of operating means used for electric switch or relay, and specifically provides a main shaft of a breaker operating mechanism. The main shaft of breaker operating mechanism comprises a front shaft (11) and a camshaft (12), and is characterized by further comprising a connecting lever (2), a spindle sleeve (3), a cam (4), a cam bearing (51), a sprocket wheel bearing (52), a pin (6), a sprocket wheel (7), a drive wheel (8), a support (9) and a torsion spring (10). The front shaft (11) and the camshaft (12) are fixed on the connecting lever (2); the camshaft (12) is sleeved with the spindle sleeve (3); the camshaft (12) is successively sleeved with the cam (4), the sprocket wheel (7) and the drive wheel (8) from the front to the end; the support (9) is fixed on the sprocket wheel (7); and the torsion spring (10) is sleeved outside a support column (92). The utility model has advantages of simple structure, convenience for manufacture, wide scope of application, safety and reliability.
Description
Technical field
The utility model relates to the operating means field for electric switch or relay, is specially a kind of breaker operation mechanism main shaft.
Background technology
Circuit breaker refers to close and closes, carries and cut-off electric current under the normal loop condition, and can close close, carrying and cut-off the switching device of the electric current under the unusual loop condition (comprising short circuit condition) in official hour.The function of circuit breaker is equivalent to the combination of Fuse switch and mistake underheat relay etc., and does not generally need to change parts behind the disjunction fault current, has obtained at present to use widely.Be example with China, along with the fast development of State Grid's cause, the safe operation of equipment for power transmission and distribution has had higher requirement, and the mechanical stability of circuit breaker is had higher requirement.Circuit breaker generally is made of contact system, arc quenching system, operating mechanism, release, shell etc., the operating mechanism main shaft of circuit breaker is manufacturing, the key when installing and moving, dimensional accuracy, quality of fit have higher requirement, at present, operating mechanism main axle structure complexity, manufacturing, installation all show inconvenience, and this has just limited the scope of application of circuit breaker, also has influence on the safe operation of equipment for power transmission and distribution.
The utility model content
In order to overcome the defective of prior art, a kind of electric switch operating means simple in structure, easily manufactured, applied widely is provided, the utility model discloses a kind of breaker operation mechanism main shaft.
The utility model reaches goal of the invention by following technical solution:
A kind of breaker operation mechanism main shaft comprises front axle and camshaft, and front axle and camshaft are multidiameter all, it is characterized in that: also comprise connecting lever, axle sleeve, cam, camshaft bearing, sprocket shaft bearing, bearing pin, sprocket wheel, drive, sincere son and torsion spring,
The rear end of front axle is fixed in the front-axle hole of connecting lever, and the front end of camshaft is fixed in the axis hole of connecting lever, and the two central axis of front axle and camshaft is parallel to each other, and front axle and camshaft are located at the both sides of connecting lever respectively;
Camshaft is with axle sleeve outward, is with cam, sprocket wheel and drive to the back-end successively from front end on the camshaft;
Cam is fixed on the camshaft by axis hole, and camshaft bearing is embedded in the cam, and camshaft bearing is located at a side of camshaft, and the outer ring of camshaft bearing is fixed in the cam, and the front end sleeve of bearing pin is in the inner ring of camshaft bearing, and the rear end of bearing pin is embedded on the front end face of sprocket wheel;
Sprocket wheel is enclosed within on the camshaft by sprocket shaft bearing, and drive is fixed on the camshaft by the axis hole at middle part, has the pawl groove on the lateral surface of drive, and this central axis of sprocket wheel, sprocket shaft bearing, drive and camshaft overlaps mutually;
Sincere son is made of the top that sincere pawl is fixed on sincere post, the bottom of sincere post is fixed on the rear end face of sprocket wheel, sincere post is located at a side of camshaft and the side that sincere pawl is located at drive, sincere pawl is stuck in the pawl groove of drive, torsion spring set is outside sincere post, one end of torsion spring is embedded on the sprocket wheel, and the other end of torsion spring hooks sincere pawl.
Described breaker operation mechanism main shaft, it is characterized in that: the shape of connecting lever axis hole, camshaft hole and drive axis hole all is dolioform, namely two end points that connect two minor arcs respectively by two parallel line segments constitute, on the camshaft fixedly the cross sectional shape at the cross sectional shape at the cross sectional shape at connecting lever place, stationary cam place and fixed conveyor wheel place be matched with the shape of connecting lever axis hole, the shape of camshaft hole and the shape of drive axis hole respectively, connecting lever, cam and drive all are weldingly fixed on the camshaft.
Described breaker operation mechanism main shaft, it is characterized in that: the end surface shape of connecting lever is that a minor arc also connects and composes with two outside common tangents so that opening is relative with a major arc, the center of circle of the center of circle of connecting lever front-axle hole and connecting lever minor arc overlaps, and the center of circle of the center of circle of connecting lever axis hole and connecting lever major arc overlaps.
The utility model adopts the two-sided platform fit structure on load axis and mating parts thereof, the degree of freedom of Assembly part on the restriction load axis, can reach higher quality of fit with lower cost, satisfy operating mechanism safety, normal use under impact, fully loaded transportation condition simultaneously, processing technology is good, the operational reliability height.
The beneficial effects of the utility model are: simple in structure, easily manufactured, applied widely, safe and reliable.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is that A among Fig. 1 is to view;
Fig. 3 is axonometric drawing of the present utility model;
Fig. 4 is the front view of the utility model convexity wheel shaft;
Fig. 5 is that A-A among Fig. 4 is to profile;
Fig. 6 is that B-B among Fig. 4 is to profile;
Fig. 7 is that C-C among Fig. 4 is to profile;
Fig. 8 is the front view of connecting lever in the utility model;
Fig. 9 is the front view of drive in the utility model;
Figure 10 is the front view of sincere son in the utility model.
Embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
A kind of breaker operation mechanism main shaft comprises front axle 11, camshaft 12, connecting lever 2, axle sleeve 3, cam 4, camshaft bearing 51, sprocket shaft bearing 52, bearing pin 6, sprocket wheel 7, drive 8, sincere sub 9 and torsion spring 10, and as Fig. 1～shown in Figure 10, concrete structure is:
Be with axle sleeve 3 outside the camshaft 12, be with cam 4, sprocket wheel 7 and drive 8 to the back-end successively from front end on the camshaft 12;
Sprocket wheel 7 is enclosed within on the camshaft 2 by sprocket shaft bearing 52, drive 8 as shown in Figure 9, drive 8 is fixed on the camshaft 12 by the axis hole at middle part, has pawl groove 81 on the lateral surface of drive 8, and this central axis of sprocket wheel 7, sprocket shaft bearing 52, drive 8 and camshaft 2 overlaps mutually;
In the present embodiment, connecting lever 2 axis holes, the shape of cam 4 axis holes and drive 8 axis holes all is dolioform, namely two end points that connect two minor arcs respectively by two parallel line segments constitute, camshaft 12 as shown in Figure 4 to 7, fixedly the cross sectional shape at connecting lever 2 places is namely shown in Figure 5 on the camshaft 12, the cross sectional shape at stationary cam 4 places is that the cross sectional shape that shown in Figure 6 and fixed conveyor is taken turns 8 places is the shape that is matched with connecting lever 2 axis holes respectively shown in Figure 7, the shape of the shape of cam 4 axis holes and drive 8 axis holes, connecting lever 2, cam 4 and drive 8 all are weldingly fixed on the camshaft 12;
In the present embodiment, connecting lever 2 as shown in Figure 8, the end surface shape of connecting lever 2 is that a minor arc also connects and composes with two outside common tangents so that opening is relative with a major arc, and the center of circle of the center of circle of connecting lever 2 front-axle holes and connecting lever 2 minor arcs overlaps, and the center of circle of the center of circle of connecting lever 2 axis holes and connecting lever 2 major arcs overlaps.
Claims (3)
1. breaker operation mechanism main shaft, comprise front axle (11) and camshaft (12), front axle (11) and camshaft (12) all are multidiameter, it is characterized in that: also comprise connecting lever (2), axle sleeve (3), cam (4), camshaft bearing (51), sprocket shaft bearing (52), bearing pin (6), sprocket wheel (7), drive (8), sincere son (9) and torsion spring (10)
The rear end of front axle (11) is fixed in the front-axle hole of connecting lever (2), the front end of camshaft (12) is fixed in the axis hole of connecting lever (2), the two central axis of front axle (11) and camshaft (12) is parallel to each other, and front axle (11) and camshaft (12) are located at the both sides of connecting lever (2) respectively;
The outer axle sleeve (3) that is with of camshaft (12), camshaft (12) is gone up and is with cam (4), sprocket wheel (7) and drive (8) to the back-end successively from front end;
Cam (4) is fixed on the camshaft (12) by axis hole, camshaft bearing (51) is embedded in the cam (4), camshaft bearing (51) is located at a side of camshaft (12), the outer ring of camshaft bearing (51) is fixed in the cam (4), the front end sleeve of bearing pin (6) is in the inner ring of camshaft bearing (51), and the rear end of bearing pin (6) is embedded on the front end face of sprocket wheel (7);
Sprocket wheel (7) is enclosed within on the camshaft (2) by sprocket shaft bearing (52), drive (8) is fixed on the camshaft (12) by the axis hole at middle part, have pawl groove (81) on the lateral surface of drive (8), this central axis of sprocket wheel (7), sprocket shaft bearing (52), drive (8) and camshaft (2) overlaps mutually;
Sincere son (9) is made of the top that sincere pawl (91) is fixed on sincere post (92), the bottom of sincere post (92) is fixed on the rear end face of sprocket wheel (7), sincere post (92) is located at a side of camshaft (12) and the side that sincere pawl (91) is located at drive (8), sincere pawl (91) is stuck in the pawl groove (81) of drive (8), torsion spring (10) is enclosed within outside the sincere post (92), one end of torsion spring (10) is embedded on the sprocket wheel (7), and the other end of torsion spring (10) hooks sincere pawl (91).
2. breaker operation mechanism main shaft as claimed in claim 1, it is characterized in that: connecting lever (2) axis hole, the shape of cam (4) axis hole and drive (8) axis hole all is dolioform, namely two end points that connect two minor arcs respectively by two parallel line segments constitute, the cross sectional shape that the last fixedly connecting lever (2) of camshaft (12) is located, the cross sectional shape that the cross sectional shape that stationary cam (4) is located and fixed conveyor wheel (8) are located is matched with the shape of connecting lever (2) axis hole respectively, the shape of the shape of cam (4) axis hole and drive (8) axis hole, connecting lever (2), cam (4) and drive (8) all are weldingly fixed on the camshaft (12).
3. breaker operation mechanism main shaft as claimed in claim 1 or 2, it is characterized in that: the end surface shape of connecting lever (2) is that a minor arc also connects and composes with two outside common tangents so that opening is relative with a major arc, the center of circle of the center of circle of connecting lever (2) front-axle hole and connecting lever (2) minor arc overlaps, and the center of circle of the center of circle of connecting lever (2) axis hole and connecting lever (2) major arc overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054791 CN203165826U (en) | 2013-01-31 | 2013-01-31 | Main shaft of breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054791 CN203165826U (en) | 2013-01-31 | 2013-01-31 | Main shaft of breaker operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203165826U true CN203165826U (en) | 2013-08-28 |
Family
ID=49026991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320054791 Expired - Lifetime CN203165826U (en) | 2013-01-31 | 2013-01-31 | Main shaft of breaker operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203165826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118745A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Linkage turbine for automatic breaking-closing driving mechanism |
| CN105742129A (en) * | 2016-04-25 | 2016-07-06 | 宏秀电气有限公司 | Automatic opening and closing drive device and used linkage turbine thereof |
-
2013
- 2013-01-31 CN CN 201320054791 patent/CN203165826U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118745A (en) * | 2015-08-12 | 2015-12-02 | 宏秀电气有限公司 | Linkage turbine for automatic breaking-closing driving mechanism |
| CN105742129A (en) * | 2016-04-25 | 2016-07-06 | 宏秀电气有限公司 | Automatic opening and closing drive device and used linkage turbine thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: JIN JIANZHONG Effective date: 20140625 Owner name: SHANGHAI BAOLIN ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: ZHENG XIAOYUAN Effective date: 20140625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200949 BAOSHAN, SHANGHAI TO: 201999 BAOSHAN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140625 Address after: 201999 Friendship Road 1016, Shanghai, Baoshan District Patentee after: SHANGHAI BAOLIN ELECTRIC GROUP Co.,Ltd. Address before: 200949 No. 1515, Golden Road, Shanghai, Baoshan District Patentee before: Zheng Xiaoyuan Patentee before: Jin Jianzhong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |