CN102501777B - Trolley bus-operating handle with braking button - Google Patents
Trolley bus-operating handle with braking button Download PDFInfo
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- CN102501777B CN102501777B CN 201110455852 CN201110455852A CN102501777B CN 102501777 B CN102501777 B CN 102501777B CN 201110455852 CN201110455852 CN 201110455852 CN 201110455852 A CN201110455852 A CN 201110455852A CN 102501777 B CN102501777 B CN 102501777B
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- operating handle
- brake
- electromagnetic valve
- operation handle
- electric car
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Abstract
The purpose of the invention is to provide a trolley bus-operating handle with a braking button. The invention solves the problem that a traffic accident can easily take place when the conventional trolley bus is stopped and then started on a slope. The trolley bus-operating handle comprises a reversing operating handle, a speed operating handle and an electromagnetic valve, the reversing operating handle and the speed operating handle are mounted on a control panel, and the electromagnetic valve is connected with a brake system through a duct. The trolley bus-operating handle is characterized in that: a microswitch is arranged in the hole of the upper end of the speed operating handle, the movable button end of the microswitch is in contact with the restoring spring-tensioned braking button by utilizing a link rod in the transverse hole of the speed operating handle, and the terminal of the microswitch is connected with the electromagnetic valve through a wire in the vertical hole of the speed operating handle. The trolley bus-operating handle has the characteristics of compact structure and reasonable design, is easy to operate, prevents the sliding phenomenon which can easily take place in the process of starting on the slope, and greatly enhances the safety and reliability of driving.
Description
Technical field
The present invention relates to the operating handle that a kind of rail, light rail electrical car are used, particularly a kind of alternating current dynamo that is exclusively used in drives preventing to travel to stop and occurring slipping the electric car operating handle of belt brake button of car phenomenon when opening car again of electric car on sloping road.
Background technology
At present, China's tramway train, light rail electrical car adopt the DC machine chopper speed regulating device mostly, usually adopt reversing contactor to come reversing rotation of motors, by the direction of current of the control of the change-over swith in traction circuit DC machine armature loop, to realize traction and braking.When motor need slow down, change-over swith or braking contactor in the control traction circuit carried out resistance braking or regenerative brake.Operating handle mainly comprises switch operation handle and speed operation handle two parts.The switch operation handle is used to change the travel direction of electric car; The speed operation handle is used for controlling traction, braking contactor and sends the speed that control signal changes electric car to chopper speed regulating device, and has the braking function when stopping.But there is not braking action opening car process medium velocity operating handle.When electric car travelled on planar tracks, existing operating handle can satisfy operating needs fully.But, need electric car on sloping roads such as the road of the high and low fluctuating of being everlasting or overpass, to stop and open car again along with development of urban rail traffic.Especially now the electric car that has adopts the ac motor speed control by variable frequency device, on sloping road, stop when opening car again, electric car speed operation handle from braking mode through neutral (sliding state) when transferring traction state to, because the ac motor speed control by variable frequency device can not be controlled the direction of current of armature loop as the DC machine chopper speed regulating device, existing electric car speed operation handle is in start-up course during brake off, but there is not brake function, in case, slide car phenomenon very easily occurs so electric car starts on the slope.If electric car does not travel in dedicated track, and mix row, traffic accident takes place easily, be unfavorable for the development of track traffic with city bus.
Summary of the invention
The purpose of this invention is to provide a kind of electric car operating handle that alternating current dynamo drives the belt brake button of electric car that is exclusively used in, solved on the sloping road that existing electric car exists and stopped, opened the problem that traffic accident easily takes place appearance of vehicle, its compact conformation, reasonable in design, simple to operate, stop the slope and opened the slide car phenomenon that occurs easily in the car process; Improved the safe reliability of vehicle ' greatly.
The technical solution adopted in the present invention is: the electric car operating handle of this belt brake button comprises switch operation handle, speed operation handle that is assembled on the control panel and the electromagnetic valve that connects brake gear by pipeline, it is characterized in that: in the vestibule of the upper end of described speed operation handle, micro-switch is set, the active button end of micro-switch utilizes the gangbar in the lateral bore of speed operation handle to contact with the brake button of retracing spring tensioner, and the terminals of micro-switch connect electromagnetic valve by the lead in the vertical vestibule of speed operation handle.
Described electromagnetic valve is communicated with brake shoe or brake disc in the pneumatically operated brake by pipeline.
Described electromagnetic valve is communicated with brake shoe or brake disc in the brake gear that surges by pipeline.
Described electromagnetic valve is communicated with brake shoe or brake disc in the mechanical braking device by pipeline.
Advantage and good effect that the present invention has are: because the present invention is exclusively used in alternating current dynamo to drive electric car, at existing electric car speed operation handle in start-up course during brake off, there is not brake function to carry out design-calculated, although it is provided with a micro-switch in the vestibule of the upper end of speed operation handle, but, but can by with the micro-switch control electromagnetic valve of brake button interlock, utilize solenoid control to be undertaken pneumatic by pipeline bonded assembly brake gear, hydraulic pressure or mechanical brake, even so open car after stopping on the slope, can not slip the car phenomenon yet, improve the reliability of vehicle ' greatly.Its reason is exactly: owing to be provided with the micro-switch of brake button drive in the upper end of speed operation handle, when opening car, handle in the speed operation handle brake off, can press the brake button simultaneously, synchro control and electromagnetic valve bonded assembly brake gear brake, make electric car from braking mode, through sliding state up to traction state, releasing of brake button again, electric car can normally move, just can not slip the car phenomenon this moment, thus its reasonable in design, though simple, but very practical, be convenient to operation again.Therefore, solved on the sloping road that existing electric car exists and stopped, open the problem that traffic accident easily takes place appearance of vehicle, stopped the slope and opened the slide car phenomenon that occurs easily in the car process.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described
Fig. 1 is a kind of concrete structure scheme drawing of the present invention;
Sequence number explanation among the figure: 1 switch operation handle, 2 speed operation handles, 3 micro-switchs, 4 gangbar, 5 brake buttons, 6 leads, 7 electromagnetic valves.
Specific implementation method
Describe concrete structure of the present invention in detail according to Fig. 1～3.The electric car operating handle of this belt brake button comprises switch operation handle 1, the speed operation handle 2 that is assembled on the control panel and is assembled in brake button 5 on the speed operation handle 1, and the electromagnetic valve 7 that connects brake gear (not marking 2 among the figure) by pipeline.Wherein structure, specification, the shape of switch operation handle 1 and speed operation handle 2 should be determined according to actual needs.In the vestibule of the upper end of speed operation handle 2, micro-switch 3 is set.The active button end of micro-switch 3 utilizes the gangbar 4 in the lateral bore in the speed operation handle 2 to contact with the brake button 5 of retracing spring tensioner, and the terminals of micro-switch 3 are by the 6 connection electromagnetic valves 7 of the lead in the vertical vestibule of speed operation handle 2.Electromagnetic valve 7 can be communicated with brake shoe or brake disc in the pneumatically operated brake by pipeline.Electromagnetic valve 7 also can be communicated with brake shoe or brake disc in the brake gear that surges by pipeline.Electromagnetic valve 7 can also be crossed pipeline and be communicated with brake shoe or brake disc in the mechanical braking device.
When electric car starts, when handling speed operation handle 2, press brake button 5 by gangbar 4 control micro-switchs 3 closures, provide connection signal, through lead 6 transmission control electromagnetic valve 7, make the power element of electric car pneumatic, surge or mechanical braking device in brake shoe or brake disc carry out brake.When electric car enters traction state, timely releasing of brake button 5, gangbar 4 is left micro-switch 3, provide breaking signal, through lead 6 transmission control electromagnetic valve 7, make the power element of electric car pneumatic, surge or mechanical braking device in brake shoe or brake disc carry out to remove brake, electric car normally moves.
Claims (4)
1. the electric car operating handle of a belt brake button, comprise switch operation handle, speed operation handle that is assembled on the control panel and the electromagnetic valve that connects brake gear by pipeline, it is characterized in that: in the vestibule of the upper end of described speed operation handle, micro-switch is set, the active button end of micro-switch utilizes the gangbar in the speed operation handle lateral bore to contact with the brake button of retracing spring tensioner, and the terminals of micro-switch connect electromagnetic valve by the lead in the vertical vestibule of speed operation handle.
2. the electric car operating handle of belt brake button according to claim 1 is characterized in that: described electromagnetic valve is communicated with brake shoe or brake disc in the pneumatically operated brake by pipeline.
3. the electric car operating handle of belt brake button according to claim 1 is characterized in that: described electromagnetic valve is communicated with brake shoe or brake disc in the brake gear that surges by pipeline.
4. the electric car operating handle of belt brake button according to claim 1 is characterized in that: described electromagnetic valve is communicated with brake shoe or brake disc in the mechanical braking device by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110455852 CN102501777B (en) | 2011-12-31 | 2011-12-31 | Trolley bus-operating handle with braking button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110455852 CN102501777B (en) | 2011-12-31 | 2011-12-31 | Trolley bus-operating handle with braking button |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102501777A CN102501777A (en) | 2012-06-20 |
| CN102501777B true CN102501777B (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110455852 Active CN102501777B (en) | 2011-12-31 | 2011-12-31 | Trolley bus-operating handle with braking button |
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| Country | Link |
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| CN (1) | CN102501777B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1241069A1 (en) * | 2001-03-15 | 2002-09-18 | Westinghouse Air Brake Technologies Corporation | Spring applied parking brake for railcars |
| CN201186660Y (en) * | 2008-04-09 | 2009-01-28 | 左德建 | Railway vehicle brake cylinder with automatic anti-running apparatus |
| CN201317376Y (en) * | 2008-11-27 | 2009-09-30 | 天津机辆轨道交通装备有限责任公司 | Hand brake device of 140-ton iron ladle car |
| CN202399936U (en) * | 2011-12-31 | 2012-08-29 | 沈阳新阳光机电科技有限公司 | Operating handle with brake button of electric car |
| CN202439719U (en) * | 2012-02-29 | 2012-09-19 | 南车石家庄车辆有限公司 | Rail wagon braking system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8500214B2 (en) * | 2009-02-05 | 2013-08-06 | General Electric Company | System and method for control of distributed power rail vehicle |
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2011
- 2011-12-31 CN CN 201110455852 patent/CN102501777B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1241069A1 (en) * | 2001-03-15 | 2002-09-18 | Westinghouse Air Brake Technologies Corporation | Spring applied parking brake for railcars |
| CN201186660Y (en) * | 2008-04-09 | 2009-01-28 | 左德建 | Railway vehicle brake cylinder with automatic anti-running apparatus |
| CN201317376Y (en) * | 2008-11-27 | 2009-09-30 | 天津机辆轨道交通装备有限责任公司 | Hand brake device of 140-ton iron ladle car |
| CN202399936U (en) * | 2011-12-31 | 2012-08-29 | 沈阳新阳光机电科技有限公司 | Operating handle with brake button of electric car |
| CN202439719U (en) * | 2012-02-29 | 2012-09-19 | 南车石家庄车辆有限公司 | Rail wagon braking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102501777A (en) | 2012-06-20 |
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