CN1280127C - Hydraulic pantograph elevating method and equipment - Google Patents
Hydraulic pantograph elevating method and equipment Download PDFInfo
- Publication number
- CN1280127C CN1280127C CN 01114533 CN01114533A CN1280127C CN 1280127 C CN1280127 C CN 1280127C CN 01114533 CN01114533 CN 01114533 CN 01114533 A CN01114533 A CN 01114533A CN 1280127 C CN1280127 C CN 1280127C
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- pantograph
- hydraulic
- control valve
- solenoid directional
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Abstract
The present invention relates to a hydraulic pantograph elevating method and a device thereof. A hydraulic drive means is adopts to drive an elevating bow by means of some characteristics of hydraulic operation; therefore, a pantograph receives current, and the elevating bow realizes good performance; liquid has incompressibility relative to gas; therefore, after the pantograph is elevated to contact an electrical network by the elevating bow, the hydraulic circuit is switched off by a hydraulic directional valve, and then a sealed incompressible liquid cavity is formed in an elevating air cylinder without poor contact caused by compression because of the influence of external conditions; in addition, hydraulic drive is realized by that a hydraulic station of an oil pump is driven by a motor, so the present invention has the characteristics of small size and low noise, and the present invention is worth popularizing and applying.
Description
Technical field
The present invention relates to the method for operating of the block construction of electric locomotive, be meant the method for the lifting control of rail locomotive vehicle pantograph especially; The invention still further relates to the block construction device of electric locomotive, be meant the device of the lifting control of rail locomotive vehicle pantograph especially.
Background technology
The pantograph apparatus for controlling of lifting is to be used for pantograph is raised up to the power transmission line energized, or fall pantograph, cut off a kind of auxiliary device of the power supply source of locomotive, existing pantograph lifting bow all is to adopt pneumatic and spring is united driving mostly, and this pneumatic and spring associating type of drive exists many deficiencies, the small leakage of first pneumatic element often is difficult for being discovered, but as long as the air pressure of lift cylinder has decline slightly, just will influence contacting of pantograph and electrical network, and cause occurring being flowed bad resembling, so in whole service, the pneumatic compression unit is ceaselessly inflated in the lift cylinder, in case pantograph is fallen bow because of air pressure descends; Whether very stable the reliability of its two Pneumatic drive system is comparatively speaking, this mainly since pneumatic be that pressured air drives, and the compressibility of air own is very big, it is also slower to react, so when rolling stock in when operation, as comparatively violent vibrations occurring, just easily produce the phenomenon of pantograph bad contact; It three is that compressed-air controlled pantograph lifting bow is to adopt the air compressor unit air feed, thereby it is big to have a noise, the deficiency that the appliance arrangement volume is also huge.Patent publication No. is the CN1322641A Chinese patent, a kind of later-model pantograph apparatus for controlling of lifting is disclosed, this pantograph apparatus for controlling of lifting is to adopt hydraulic lifting control setup system, this apparatus for controlling of lifting is to form the two grade of ascend and descend device by a plurality of hydraulic-driven cylinder assemblies, mechanisms such as cylinder link mechanism that cancellation is conventional and lifting/lowering spring, drive lifting bar by left and right sides two-stage hydraulic ram fully, directly act on contacting of trolley head and contact wire.But such structure is not suitable for China's existing power locomotive to be used, and is mainly used in express locomotive, therefore necessary the improvement.
Summary of the invention
The objective of the invention is to propose a kind of deficiency that can solve existing common electric power supply pantograph device, propose a kind of more reliable performance, volume is smaller and more exquisite, is not prone to be flowed bad and fall to bend the hydraulic pantograph elevating method of phenomenon.
Another object of the present invention is the device that proposes a kind of said method, and this device is the hydraulic-driven pantograph, and hydraulic efficiency pressure system has good pressure maintaining performance, makes the long-term pressurize of pantograph and keeps mode of operation.
First purpose of the present invention is following realization: the pantograph lifting is hydraulically powered, and pantograph lifting drive system is a hydraulic control system, and driving cylinder is a hydraulic drive cylinder, and pantograph laterally promotes the lifting linking member lifting/lowering by hydraulic drive cylinder.The hydraulic lifting drive system of pantograph is a hydraulic control system, and hydraulic drive cylinder is controlled by hydraulic control system.Hydraulic control system includes solenoid electric valve, solenoid directional control valve and manually actuated control valve, wherein manually actuated control valve is normally closed two position two-way valve, solenoid directional control valve is for often leaving two position three-way valve, electromagnetic spill valve is normally closed two position two-way valve, solenoid electric valve, solenoid directional control valve and the manually actuated control valve of pantograph by hydraulic control system realize pantograph the liter bow and fast/bow falls at a slow speed, and bow falls in manual emergency.
Second purpose of the present invention is following realization: comprise pantograph, pantograph lifting driving cylinder, several parts of pantograph lifting drive system, the pantograph lifting is hydraulically powered, it is characterized in that: pantograph lifting linking member and pantograph lifting driving cylinder link, driving cylinder is a hydraulic drive cylinder, and driving cylinder is again that pantograph lifting drive system is controlled horizontal promotion, and promotes pantograph by the connecting rod leverage.Pantograph lifting drive system is a hydraulic control system, hydraulic control system includes electromagnetic spill valve, solenoid directional control valve and manually actuated control valve, and check valve, oil pump, motor, several parts of pressure-modulation valve and compression indicator, wherein manually actuated control valve is normally closed two position two-way valve, solenoid directional control valve is for often leaving two position three-way valve, electromagnetic spill valve is normally closed two position two-way valve, and, the inlet pipe of electromagnetic spill valve and the outlet pipe of solenoid directional control valve join, and insert simultaneously in the lower cylinder body of pantograph lifting driving cylinder, on the outlet pipe of solenoid directional control valve is disconnected, also be connected to the mouth of pipe of going into of manually actuated control valve.Simultaneously, on the electromagnetic spill valve inlet pipe is disconnected, also be connected to be used to control electromagnetic spill valve get electric and dead electricity, time relay road, on the pipeline between oil pump and the solenoid directional control valve, also be connected to check valve, and on the pipeline between check valve and the oil pump, be connected to the hydraulic pressure control cock.
Operating principle of the present invention is:
1, rises bow: solenoid directional control valve dead electricity, electromagnetic spill valve dead electricity
Start oil pump → check valve → solenoid directional control valve → hydraulic actuating cylinder → driven plunger connecting rod, overcome the application force that falls the bow spring and move right, promote connecting rod mechanism and realize rising bow.Fluid power system is kept pressurize closing under the situation of oil pump.
2, bow falls:
The 1st stage fast prompt drop bow: solenoid directional control valve get electric, electromagnetic spill valve get electric,
Fluid → solenoid directional control valve and electromagnetic spill valve parallel connection → oil sump tank are realized fast prompt drop bow, are controlled the time in this stage by time relay; When solenoid directional control valve gets electricly, electromagnetic spill valve gets electric, and oil stream is got back to fuel tank by solenoid directional control valve and electromagnetic spill valve two-way, realizes fast prompt drop bow.
Bow falls at a slow speed in the 2nd stage: change-over valve gets electric, flow divider valve dead electricity,
Fluid → solenoid directional control valve → oil sump tank realizes falling at a slow speed bow.By time relay, the control certain hour acts on the electromagnetic spill valve dead electricity, closes valve one road binders road, makes fluid have only one road oil sump tank, realizes falling at a slow speed bow again, thereby realizes falling first section fast, second section two sections slow bow process of falling of bow.
3, bow falls in manual emergency, and the operator brake control valve realizes promptly falling bow.Because certain cause specific, abnormal condition will realize promptly falling bow, and manually actuated control valve is set specially, and operator brake control valve, fluid are back to fuel tank rapidly, realizes fast prompt drop bow.
Advantage of the present invention is: adopt hydraulic-driven pantograph up-down mode, after rising bow and finishing, cut off hydraulic circuit by the liquid change-over valve, form the airtight sap cavity in the hydraulic actuating cylinder, and be unlikely to be subjected to the influence of external condition and cause the pantograph bad contact; And the excellent sealing of hydraulic actuating cylinder guaranteed pressure stability, though cut off liquid pump also can the reasonable time in keep-up pressure; Characteristics such as the hydraulic efficiency gear volume is little, and noise is low are worthy to be popularized.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is a hydraulic system principle figure of the present invention.
Among the figure: 1. oil filter; 2. motor; 3. oil pump; 4. check valve; 5. solenoid directional control valve; 6. electromagnetism flow divider valve; 7. time relay; 8. hydraulic drive cylinder; 9. manually actuated control valve; 10. pressure-modulation valve; 11. compression indicator; 12. pantograph; 13. hydraulic lifting drive system; 14. pantograph lifting linking member.
The specific embodiment
The present invention includes pantograph 12, pantograph lifting driving cylinder 8, pantograph lifting drive system more than 13 parts, the pantograph lifting is hydraulically powered, it is characterized in that: pantograph lifting linking member 14 links with pantograph lifting driving cylinder 8, driving cylinder 8 is a hydraulic drive cylinder, and driving cylinder 8 is again that pantograph lifting drive system 13 is controlled laterally and promoted, and promotes pantograph 12 by connecting rod 14 leverages.The hydraulic lifting drive system 13 of pantograph 12 is hydraulic control systems, hydraulic control system includes solenoid directional control valve 5, electromagnetic spill valve 6 and manually actuated control valve 9, and check valve 4, oil pump 3, motor 2, pressure-modulation valve 10 and compression indicator more than 11 parts, wherein manually actuated control valve 9 is normally closed two position two-way valves, solenoid directional control valve 5 is for often leaving two position three-way valve, electromagnetic spill valve 6 is normally closed two position two-way valve, and, the outlet pipe of the inlet pipe of electromagnetic spill valve 6 and solenoid directional control valve 5 joins, and insert simultaneously in the lower cylinder body of pantograph lifting driving cylinder 8, on the outlet pipe of solenoid directional control valve 5 is disconnected, also be connected to the mouth of pipe of going into of manually actuated control valve 9.Simultaneously, on electromagnetic spill valve 6 inlet pipes are disconnected, also be connected to and be used to control the time relay 7 that electromagnetic spill valve 6 gets electric and dead electricity, be used to control the switching stream time of electromagnetism flow divider valve 6, on the pipeline between oil pump 3 and the solenoid directional control valve 5, also be connected to check valve 4, and on the pipeline between check valve 4 and the oil pump 3, be connected to hydraulic pressure control cock 10.
Operating principle of the present invention is:
1, rises bow: solenoid directional control valve (5) dead electricity, electromagnetic spill valve (6) dead electricity
Start oil pump (3) → check valve (4) → solenoid directional control valve (5) → hydraulic actuating cylinder (8) → driven plunger connecting rod, overcome the application force that falls the bow spring and move right, promote connecting rod mechanism and realize rising bow.Fluid power system is kept pressurize under the situation of closing oil pump 3.
2, bow falls:
The 1st stage fast prompt drop bow: solenoid directional control valve (5) electric, electromagnetic spill valve (6) electric, fluid → solenoid directional control valve (5) and electromagnetic spill valve (6) parallel connection → oil sump tank are realized fast prompt drop bow, are controlled the time in this stage by time relay (7);
Bow falls at a slow speed in the 2nd stage: solenoid directional control valve (5) gets electric, electromagnetic spill valve (6) dead electricity, and fluid → solenoid directional control valve (5) → oil sump tank realizes falling at a slow speed bow.
3, bow falls in manual emergency, and operator brake control valve (9) realizes promptly falling bow.
Claims (5)
1, a kind of hydraulic pantograph elevating method, the pantograph lifting is hydraulically powered, pantograph lifting drive system (13) is a hydraulic control system, driving cylinder (8) is a hydraulic drive cylinder, it is characterized in that: pantograph (12) laterally promotes lifting linking member (14) lifting/lowering by hydraulic drive cylinder (8), and hydraulic control system includes solenoid directional control valve (5), electromagnetic spill valve (6) and manually actuated control valve (9), wherein manually actuated control valve (9) is normally closed two position two-way valve, solenoid directional control valve (5) is for often leaving two position three-way valve, electromagnetic spill valve (6) is normally closed two position two-way valve, manually actuated control valve (9) is normally closed two position two-way valve, pantograph is by the solenoid directional control valve (5) of hydraulic control system, electromagnetic spill valve (6) and manually actuated control valve (9) realize pantograph the liter bow and fast/bow falls at a slow speed, and bow falls in manual emergency.
2, a kind of hydraulic pantograph elevating device, comprise pantograph (12), hydraulic pantograph driving cylinder (8) and hydraulic lifting drive system (13) several sections, it is characterized in that: hydraulic drive cylinder (8) links to each other with lifting linking member (14), lifting linking member (14) links to each other with pantograph (12), pantograph lifting drive system (13) is a hydraulic control system, hydraulic control system comprises solenoid directional control valve (5), electromagnetic spill valve (6) and manually actuated control valve (9), wherein manually actuated control valve (9) is normally closed two position two-way valve, solenoid directional control valve (5) is for often leaving two position three-way valve, electromagnetic spill valve (6) is normally closed two position two-way valve, and manually actuated control valve (9) is normally closed two position two-way valve.
3, device according to claim 2, it is characterized in that: hydraulic control system also comprises check valve (4), oil pump (3), motor (2) pressure-modulation valve (10) and compression indicator (11), and the inlet pipe of electromagnetic spill valve (6) is connected with the outlet pipe of solenoid directional control valve (5), and insert simultaneously in the lower cylinder body of driving cylinder (8), and also be connected to the inlet pipe of manually actuated control valve (9) on the outlet pipe of solenoid directional control valve (5), and also be connected to time relay (7) on the inlet pipe of electromagnetic spill valve (6), be used for the logical of electromagnetic spill valve (6), disconnected time control, and oil pump (3), fluid pressure control cock (10), check valve (4), solenoid directional control valve (5) is series connected in order.
4, device according to claim 3 is characterized in that: hydraulic pantograph elevating drive system (13), and when pantograph (12) rises, solenoid directional control valve (5) dead electricity, electromagnetic spill valve (6) dead electricity.
5, device according to claim 3 is characterized in that: hydraulic pantograph elevating drive system (13), and when pantograph descended fast, solenoid directional control valve (5) got electric, electromagnetic spill valve (6); When pantograph slowly descended, solenoid directional control valve (5) got electric, electromagnetic spill valve (6) dead electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01114533 CN1280127C (en) | 2001-06-12 | 2001-06-12 | Hydraulic pantograph elevating method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01114533 CN1280127C (en) | 2001-06-12 | 2001-06-12 | Hydraulic pantograph elevating method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1322641A CN1322641A (en) | 2001-11-21 |
| CN1280127C true CN1280127C (en) | 2006-10-18 |
Family
ID=4661171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01114533 Expired - Lifetime CN1280127C (en) | 2001-06-12 | 2001-06-12 | Hydraulic pantograph elevating method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1280127C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532151C (en) * | 2005-12-30 | 2009-08-26 | 成都飞机工业（集团）有限责任公司 | Electric current collector |
| DE102008032591A1 (en) * | 2008-07-11 | 2010-01-14 | Bombardier Transportation Gmbh | The pantograph assembly |
| CN103448557B (en) * | 2013-08-26 | 2015-10-21 | 南车株洲电力机车有限公司 | Energy storage type electric power traction track locomotive current collecting system |
| CN104309487B (en) * | 2014-10-23 | 2016-05-18 | 内蒙古北方重型汽车股份有限公司 | A kind of electric transmission quarry tipper pantograph control device |
| CN111532154B (en) * | 2020-05-11 | 2022-06-28 | 北京中车赛德铁道电气科技有限公司 | Folding mechanism of charging bow current collector of electric bus |
-
2001
- 2001-06-12 CN CN 01114533 patent/CN1280127C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1322641A (en) | 2001-11-21 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SOUTH ZHUZHOU ELECTRIC LOCOMOTIVE INSTITUTE CO., L Free format text: FORMER NAME OR ADDRESS: ZHUZHOU ELECTRIC LOCOMOTIVE INST., MINISTRY OF RAILWAYS; ZHUZHOU TIMES ELECTRIC APPLIANCE CASTING CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Tian Xin North Gate of Zhuzhou, Hunan: 412000 Co-patentee after: Zhuzhou Shidai Electric Appliance Casting Co., Ltd. Patentee after: South car Zhuzhou Electric Locomotive Research Institute Co., Ltd. Address before: Tian Xin North Gate of Zhuzhou, Hunan: 412000 Co-patentee before: Zhuzhou Shidai Electric Appliance Casting Co., Ltd. Patentee before: Zhuzhou Electric Locomotive Research Institute of the Ministry of Railways |
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| ASS | Succession or assignment of patent right |
Owner name: ZHUZHOU SHIDAI ELECTRIC APPLIANCE CASTING CO., LTD Free format text: FORMER OWNER: ZHUZHOU SHIDAI ELECTRIC APPLIANCE CASTING CO., LTD. Effective date: 20150519 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150519 Address after: 412000 Tian Tian Bei gate, Zhuzhou, Hunan Patentee after: CSR Zhuzou Electric Locomotive Research Institute Co., Ltd. Patentee after: Zhuzhou Shidai Electric Appliance Casting Co., Ltd. Patentee after: CSR INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE CO., LTD. Address before: 412000 Tian Tian Bei gate, Zhuzhou, Hunan Patentee before: CSR Zhuzou Electric Locomotive Research Institute Co., Ltd. Patentee before: Zhuzhou Shidai Electric Appliance Casting Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20061018 |
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| CX01 | Expiry of patent term |