CN102412518A - Truck device of indoor railway vacuum circuit breaker - Google Patents
Truck device of indoor railway vacuum circuit breaker Download PDFInfo
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- CN102412518A CN102412518A CN2011104208611A CN201110420861A CN102412518A CN 102412518 A CN102412518 A CN 102412518A CN 2011104208611 A CN2011104208611 A CN 2011104208611A CN 201110420861 A CN201110420861 A CN 201110420861A CN 102412518 A CN102412518 A CN 102412518A
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- main shaft
- circuit breaker
- lifting arm
- vacuum circuit
- indoor
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Abstract
The invention provides a truck device of an indoor railway vacuum circuit breaker. The truck device is connected with a circuit breaker operating mechanism; a rotary shaft of the device is fixed at the bottom of a truck support; a main shaft is fixed on two side plates below a truck support of the circuit breaker through a bearing; a driving plate is fixed on the rotary shaft through an elastic pin; a fork support is connected with the main shaft through a pin shaft; the rotary shaft rotates and drives the driving plate to rotate; the driving plate drives the main shaft to rotate through the fork support; the main shaft rotates and drives the truck frame to move back and forth; two ends of the main shaft are provided with end plates; and crank arm is welded on the main shaft. The beneficial effect of the invention is as follows: the indoor railway vacuum circuit breaker has high operation reliability and long service life, is maintenance-free and has good safety performance; while 300N.m output torque is ensured, the input torque is only 100N.m, which is convenient for switching the indoor vacuum circuit breaker between a working position and a test position, and the device can be widely applied to electrified railway tractive power supply systems.
Description
Technical field
The present invention relates to a kind of indoor railway vacuum circuit-breaker cart device.
Background technology
Indoor railway vacuum circuit-breaker is the necessary product of the normal operation of electric railway, and it is being born when normal operation, is used for being switched on or switched off the load current of circuit; During fault, be used for rapid interrupting short circuit, the effect of excision fault is the capital equipment that guarantees the normal operation of circuit.It mainly is divided into two types of outdoor type and indoor types.Indoor vacuum circuit-breaker mainly is to be applied in traction substation, is that operating reliability is high to the requirement of indoor vacuum circuit-breaker, and connecting-disconnecting function is strong, and security performance is high.
At present, the cart device of domestic and international indoor railway vacuum circuit-breaker adopts two kinds of kinds of drive mostly, and a kind of is lead screw transmission, and a kind of is the worm and gear transmission.Such as; The ZN85 indoor handcart vacuum circuit-breaker handcart that Schneider is produced adopts lead screw transmission; The ZN85 indoor handcart vacuum circuit-breaker handcart that Tianshui Changcheng Switchgear Factory produces adopts lead screw transmission, and the special-purpose single-phase circuit breaker handcart of the railway that Sichuan Electrical Appliances Co., Ltd produces adopts the worm and gear transmission.These two kinds of kind of drive complex structures, limited, difficult maintenance in useful life are made troubles to product operation, Maintenance and Repair to Traction Substation of Electric Railway like this.
Summary of the invention
For solving above technical problem; The purpose of this invention is to provide a kind of indoor railway vacuum circuit-breaker cart device; This device can be realized switching and the blocking function of circuit breaker in service position and test position reliably, and has dependable performance, non-maintaining, advantage such as fail safe is good.
For realizing goal of the invention; The technical scheme that the present invention adopts provides a kind of indoor railway vacuum circuit-breaker cart device; This cart device is connected with circuit breaker operation mechanism, and wherein: this device comprises rotating shaft, seat, drive plate, crotch, main shaft, pin, bearing, connecting lever, end plate, handcart frame, castor; Said rotating shaft is fixed by bolts to the bottom of handcart frame through seat, main shaft through bearing fixing on two side plates below the handcart frame; Drive plate is fixed in the rotating shaft through spring pivot, and crotch is connected with main shaft through bearing pin, and the rotating shaft rotation drives the drive plate rotation, and drive plate passes through crotch drive main axis rotation, and the main shaft rotating band is started vehicle frame and seesawed; End plate is equipped with at two ends at main shaft, and connecting lever is welded on the main shaft, and four jiaos of perforates of handcart frame are fixed on castor on the handcart frame through bolt.
Effect of the present invention is that this cart device has operating reliability height, non-maintaining, advantages such as security performance good, appearance looks elegant.Specifically may be embodied in following some:
1, existing screw mandrel transmission, drive structure of gear worm are complicated, useful life the upper limit 10 years, the difficult maintenance; The present invention adopts the principle of lever and the connecting rod kind of drive is simple in structure, reach 30 years, non-maintaining useful life.
2, existing screw mandrel transmission, worm and gear transmission when guaranteeing output torque 300N.m input torque all more than 200N.m, operating difficulties; The present invention's input torque when guaranteeing output torque 300N.m has only 100N.m, rapid operation, reliable.
3, this apparatus structure is simple, and parts have only 13, and processing technology is simple, compares screw mandrel transmission, more than 20 parts of worm and gear transmission, has reduced 50% on the cost, and apparatus structure is rationally compact, the economic benefit of the product of increase.
Description of drawings
Fig. 1 is an indoor railway vacuum circuit-breaker cart device front view of the present invention;
Fig. 2 is an indoor railway vacuum circuit-breaker cart device vertical view of the present invention;
Fig. 3 is an indoor railway vacuum circuit-breaker cart device projection view of the present invention;
Fig. 4 is an indoor railway vacuum circuit-breaker cart device partial view of the present invention.
Among the figure:
1, rotating shaft 2, seat 3, drive plate 4, crotch 5, main shaft
6, pin 7, bearing 8, connecting lever 9, end plate 10, handcart frame
11, castor 12, lifting arm 13, deadlock lever 14, latch plate
Embodiment
In conjunction with accompanying drawing and enforcement the structure of indoor railway vacuum circuit-breaker cart device of the present invention is explained.
Shown in Fig. 1-4; Indoor railway vacuum circuit-breaker cart device structure of the present invention is: this cart device is connected with circuit breaker operation mechanism, and this device comprises rotating shaft 1, seat 2, drive plate 3, crotch 4, main shaft 5, pin 6, bearing 7, connecting lever 8, end plate 9, handcart frame 10, castor 11; Said rotating shaft 1 is fixed by bolts to the bottom of handcart frame 10 through seat 2, and main shaft 5 is fixed on two side plates in handcart frame 10 belows through bearing 7; Drive plate 3 is fixed in the rotating shaft 1 through spring pivot, and crotch 4 is connected with main shaft 5 through bearing pin, and rotating shaft 1 rotation drives drive plate 3 rotations, and drive plate 3 rotates through crotch 4 drive main shafts 5, and main shaft 5 rotating bands are started vehicle frame 10 and seesawed; At the two ends of main shaft 5 end plate 9 is housed, connecting lever 8 is welded on the main shaft 5, and 10 4 jiaos of perforates of handcart frame are fixed on castor 11 on the handcart frame 10 through bolt.
Passed lifting arm 12 in the panel hole of said handcart frame 10, lifting arm 12 is connected with deadlock lever 13 through nut, and the latch plate of deadlock lever 13 and said circuit breaker operation mechanism 14 is connected through bolt; Lifting arm 12 drives deadlock lever 13 and moves up to top dead center position, and lifting arm 12 dextrorotations turn 90 degrees, and lifting arm 12 is spacing with deadlock lever 13; Lifting arm 12 is rotated counterclockwise 90 degree, and it is spacing that lifting arm 12 and deadlock lever 13 are removed, and deadlock lever 13 moves downward to bottom dead center position by deadweight.
Indoor railway vacuum circuit-breaker cart device function of the present invention is achieved in that
1, technical parameter and environment for use: to indoor vacuum circuit-breaker functional requirement and reliability requirement, adopt following technical parameter, see table 1:
The indoor straight empty circuit breaker cart device of table 1
| Sequence number | Technical parameter | The technical parameter value |
| 1 | Input torque | 100N.m |
| 2 | Output torque | 300N.m |
Applicable to following environmental requirement:
1) infield: indoor
2) height above sea level: general≤1000m; Plateau type≤2500m;
3) ambient temperature: the upper limit+40 ℃, lower limit-25 ℃, limit minimum temperature-40 ℃;
4) relative humidity: 95%RH;
5) earthquake intensity: can satisfy the requirement of 8 degree;
6) be applicable to the place of frequent operation.
2. structure and operational mode:
The rotating shaft 1 of this indoor railway vacuum circuit-breaker cart device is fixed by bolts to the bottom of handcart frame 10 through seat 2, and main shaft 5 is fixed on two side plates in handcart frame 10 belows through bearing 7; Drive plate 3 is fixed in the rotating shaft 1 through spring pivot; Crotch 4 is connected with main shaft 5 through bearing pin, at the two ends of main shaft 5 end plate 9 is housed, and connecting lever 8 is connected on the main shaft 5; 10 4 jiaos of perforates of handcart frame; Be fixed on castor 11 on the handcart frame 10 through bolt, lifting arm 12 passes handcart frame 10 panel holes and deadlock lever 13 and is connected through nut, and the latch plate of deadlock lever 13 and circuit breaker operation mechanism 14 is connected through bolt.
This indoor railway vacuum circuit-breaker cart device running: manpower makes lifting arm 12 drive deadlock lever 13 and moves up to top dead center position, and lifting arm 12 dextrorotations turn 90 degrees, and lifting arm 12 is spacing with deadlock lever 13; Lifting arm 12 is rotated counterclockwise 90 degree, and it is spacing that lifting arm 12 and deadlock lever 13 are removed, and deadlock lever 13 moves downward to bottom dead center position by deadweight.
The crank that turns clockwise makes rotating shaft 1 rotation; Rotating shaft 1 rotation drives drive plate 3 rotations, and drive plate 3 passes through crotch 4 and drives main shafts 5 rotations, and main shaft 5 rotates and drives connecting lever 8 rotations; Connecting lever 8 turns to certain position and contacts the formation fulcrum with the base plate of handcart frame 10; Continue the rotation crank, according to lever principle, connecting lever 8 rotations make indoor vacuum circuit-breaker cart device move to the service position from test position forward.Lifting arm 12 is rotated counterclockwise 90 degree, and lifting arm 12 is spacing with deadlock lever 13 releasings, and deadlock lever 13 is because deadweight moves downward to bottom dead center position, and circuit breaker can not be moved out of in the service position this moment.
Manpower makes lifting arm 12 drive deadlock lever 13 and moves up to the fixed position, and lifting arm 12 dextrorotations turn 90 degrees, and lifting arm 12 is spacing with deadlock lever 13; Be rotated counterclockwise crank and make the rotating shaft rotation, rotating shaft 1 rotation drives drive plate 3 rotations, and drive plate 3 drives main shaft 5 rotations through crotch 4; Main shaft 5 rotates and drives connecting lever 8 rotations, and connecting lever 8 turns to certain position and contacts the formation fulcrum with the base plate of handcart frame 10, continues the rotation crank; According to lever principle; Connecting lever 8 rotations make circuit breaker cart move to test position from the service position, and lifting arm 12 is rotated counterclockwise 90 degree, and lifting arm 12 is removed spacing with deadlock lever 13; Deadlock lever 13 is because deadweight moves downward to the fixed position, and circuit breaker can not be urged in test position this moment.
Developing indoor railway vacuum circuit-breaker cart device key issue is: assurance function is realized and reliability of operation.According to specification requirement design connecting lever, guarantee input torque and output torque, realize switching and the blocking function of circuit breaker reliably in service position and test position.
Claims (2)
1. indoor railway vacuum circuit-breaker cart device; This cart device is connected with circuit breaker operation mechanism, it is characterized in that: this device comprises rotating shaft (1), seat (2), drive plate (3), crotch (4), main shaft (5), pin (6), bearing (7), connecting lever (8), end plate (9), handcart frame (10), castor (11); Said rotating shaft (1) is fixed by bolts to the bottom of handcart frame (10) through seat (2), and main shaft (5) is fixed on below the handcart frame (10) on two side plates through bearing (7); Drive plate (3) is fixed in the rotating shaft (1) through spring pivot; Crotch (4) is connected with main shaft (5) through bearing pin; Rotating shaft (1) rotation drives drive plate (3) rotation, and drive plate (3) drives main shaft (5) rotation through crotch (4), and main shaft (5) rotating band is started vehicle frame (10) and seesawed; At the two ends of main shaft (5) end plate (9) is housed, connecting lever (8) is welded on the main shaft (5), and (10) four jiaos of perforates of handcart frame are fixed on castor (11) on the handcart frame (10) through bolt.
2. indoor railway vacuum circuit-breaker cart device according to claim 1; It is characterized in that: passed lifting arm (12) in the panel hole of said handcart frame (10); Lifting arm (12) is connected with deadlock lever (13) through nut, and deadlock lever (13) is connected through bolt with the latch plate (14) of said circuit breaker operation mechanism; Lifting arm (12) drives deadlock lever (13) and moves up to top dead center position, and lifting arm (12) dextrorotation turn 90 degrees, and lifting arm (12) and deadlock lever (13) are spacing; Lifting arm (12) is rotated counterclockwise 90 degree, and lifting arm (12) and deadlock lever (13) are removed spacing, and deadlock lever (13) moves downward to bottom dead center position by deadweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104208611A CN102412518A (en) | 2011-12-15 | 2011-12-15 | Truck device of indoor railway vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104208611A CN102412518A (en) | 2011-12-15 | 2011-12-15 | Truck device of indoor railway vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102412518A true CN102412518A (en) | 2012-04-11 |
Family
ID=45914444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104208611A Pending CN102412518A (en) | 2011-12-15 | 2011-12-15 | Truck device of indoor railway vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102412518A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041923Y (en) * | 2007-04-26 | 2008-03-26 | 南京赛彤铁路电气化有限公司 | Handcart push structure for internal single phase vacuum breaker of electric railway user |
| CN201733003U (en) * | 2009-12-03 | 2011-02-02 | 江苏大全高压开关有限公司 | Single-pole vacuum circuit breaker handcart |
| CN102005704A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type switching device |
| CN202373888U (en) * | 2011-12-15 | 2012-08-08 | 川铁电气（天津）集团有限公司 | Handcart device of indoor railroad vacuum circuit breaker |
-
2011
- 2011-12-15 CN CN2011104208611A patent/CN102412518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041923Y (en) * | 2007-04-26 | 2008-03-26 | 南京赛彤铁路电气化有限公司 | Handcart push structure for internal single phase vacuum breaker of electric railway user |
| CN201733003U (en) * | 2009-12-03 | 2011-02-02 | 江苏大全高压开关有限公司 | Single-pole vacuum circuit breaker handcart |
| CN102005704A (en) * | 2010-11-05 | 2011-04-06 | 童建朋 | Handcart type switching device |
| CN202373888U (en) * | 2011-12-15 | 2012-08-08 | 川铁电气（天津）集团有限公司 | Handcart device of indoor railroad vacuum circuit breaker |
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Application publication date: 20120411 |