CN101968110A - Hydrodynamic transmission buffering device for railway vehicle - Google Patents
Hydrodynamic transmission buffering device for railway vehicle Download PDFInfo
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- CN101968110A CN101968110A CN2010102947366A CN201010294736A CN101968110A CN 101968110 A CN101968110 A CN 101968110A CN 2010102947366 A CN2010102947366 A CN 2010102947366A CN 201010294736 A CN201010294736 A CN 201010294736A CN 101968110 A CN101968110 A CN 101968110A
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Abstract
The invention discloses a hydrodynamic transmission buffering device for a railway vehicle. The buffering device consists of two parts, namely a torque converter oil drainage ball valve and a torque converter oil supply control valve. The basic structure of a traditional single-stage two-phase three-element hydrodynamic torque converter is not changed, the oil drainage and oil supply of the torque converter are controlled due to matched work of the newly arranged control elements, the transmission torque of the torque converter can be gradually increased after the hydrodynamic transmission starts and shifts, and the no-impact and steady-start application effect of starting and shifting the vehicle is achieved. The hydrodynamic transmission buffering device has a simple structure, is convenient to operate, and has obvious buffering effect of starting the vehicle.
Description
Technical field
The present invention relates to mechanical transmission fields, belong to the automobile-used torque converter damping device of a kind of railroad track.
Background technique
Torque converter generally is made of fluid torque converter and mechanical planetary transmission, it has become the main transmission device in the modern vehicle, is widely used in fields such as automobile, tractor, loader, scraper, excavator, tank, self-propelled gun, armo(u)red carrier, railroad track car, oil drilling machinery and mining machinery.Torque converter has the good adaptive performance, can satisfy the requirement of vehicle towed operating mode and transportation operating mode, makes vehicle regulate running state automatically; The shift control of torque converter is simpler, laborsaving than mechanical transmission, has improved Security and travelling comfort, has alleviated driver's labor intensity; Hydrodynamic unit not only can absorb and reduce vibration, impact, improve the travelling comfort of vehicle ride, can also play damping function to the torsional vibration of engine crankshaft, reduce, improve the working life of vehicle drive system from the dynamic load in vehicle to run system or the transmission system.But the moment output torque that produces in actual application because during the torque converter initial starting shift is bigger all the time, the vehicle (particularly railroad track car) that causes being equipped with torque converter starts the acceleration of moment has bigger step to change, thereby caused the vehicle start shifting shock bigger, this can have a strong impact on service behaviour, the working life of working machine and the comfort level of taking, and causes the damage of the contained article of vehicle easily.In order to overcome railroad track car this defective in actual application that torque converter is housed, at present the automobile-used torque converter starting of railroad track buffering is that engaging time by each gear trimmer valve proper extension each grade clutch or break in the speed changer reduces impact, but the engaging time of speed changer internal clutch or break can not long (engaging time of clutch or break be generally in 0.5 second), otherwise the friction plate of clutch or break meeting heavy wear, thereby the working life of reducing torque converter greatly.
Summary of the invention:
The technical problem that the present invention solves: impact big this defective for overcoming the railroad track car initial starting shift that torque converter is housed, improve the working life of torque converter, a kind of simple in structure, reliable performance, the easy to operate automobile-used torque converter damping device of railroad track are provided.
Technological scheme of the present invention: on the basis that does not change traditional single stage two-phase three element fluid torque converter basic structure, increase the control unit that two control torque-converters charge and discharge oil.Coming that by these two control unit work of cooperatively interacting torque-converters is charged and discharged oil controls, realize the variation of fluid torque converter working state, and then controlled the output torque of fluid torque converter, make the railroad track car that torque converter is housed when initial starting shift, realize buffering, initial starting shift is impacted the influence that causes drop to minimum.
Description of drawings
The structure diagram of the automobile-used torque converter damping device of a kind of railroad track of Fig. 1
The drain the oil structure diagram of ball valve of Fig. 2 torque-converters
Fig. 3 installs before and after the present invention from neutral gear and changes to the fluid torque converter output torque state comparison diagram one grade time that advances
Among the figure: 1. the torque-converters ball valve of draining the oil, 2. torque-converters fuel feeding control valve, 3. valve seat is 4. regulated pad, 5. spring, 6. seal ring, 7. steel ball
The specific embodiment of the invention:
The automobile-used torque converter damping device of railroad track of the present invention is made of drain the oil ball valve (1) and torque-converters fuel feeding control valve (2) two-part of torque-converters, they are to be used to control two control units that fluid torque converter charges and discharge oil, its structure such as Fig. 1, shown in Fig. 2, motor is connected with pump impeller, the torque-converters ball valve (1) of draining the oil is positioned in processed drain oil place on the maximum cylindrical of converter pump, it is a centrifugal one-way valve, by valve seat (3), regulate pad (4), spring (5), seal ring (6), steel ball (7) is formed, and opening and close by the engine speed of correspondence of it controlled; Torque-converters fuel feeding control valve (2) is positioned on the torque-converters fuel feeding road, it be a standard often open electromagnetic switch valve, be connected with the selector of torque converter by connecting line, promptly close automatically after the energising.The selector gear signal of torque converter has been controlled the energising and the outage of torque-converters fuel feeding control valve (2), and then has controlled the state that torque-converters fuel feeding control valve (2) is closed and opened.When torque converter was in neutral gear, torque-converters fuel feeding control valve (2) was subjected to close automatically after the energising of selector neutral gear SC sigmal control; When torque converter was in other gear, then torque-converters fuel feeding control valve (2) was subjected to be in open mode after the non-neutral gear SC sigmal control outage of selector.
In the torque converter running, torque-converters ball valve (1) and torque-converters fuel feeding control valve (2) work that cooperatively interacts of draining the oil, control by the oil that charges and discharge torque-converters, realize the variation of fluid torque converter working state, and then the output torque of control fluid torque converter, make railroad track car initial starting shift reach shock-free effect.When torque converter is in neutral gear, when motor is idling (being generally 700～900 rev/mins), because of engine speed lower, torque-converters is drained the oil the centrifugal force of the interior steel ball of ball valve (1) (7) less than the elastic force of spring (5), steel ball (7) is separated with valve seat (3), the torque-converters ball valve (1) of draining the oil is opened automatically, torque-converters begins to bleed off the recycle oil of torque-converters inside, the oil of being emitted is pooled to the torque-converters housing bottom after dump pump is withdrawn in the fuel tank of torque converter, meanwhile torque-converters fuel feeding control valve (2) is closed after switched on by the selector neutral gear SC sigmal control of speed changer, stop to the torque-converters fuel feeding, after recycle oil in the torque-converters has been put, torque-converters turbine input shaft does not rotate, unpowered output; When vehicle begins starting, torque converter changes to from neutral gear and advances after one grade, progressively improves engine speed, and the drain the oil centrifugal force of the interior steel ball of ball valve (1) (7) of torque-converters also can increase thereupon.When engine speed during greater than a certain setting value (generally being set at 1100 rev/mins), the centrifugal force of steel ball (7) is greater than the elastic force of spring (5), steel ball (7) contacts with valve seat (3), the torque-converters ball valve (1) of draining the oil is closed automatically, meanwhile torque-converters fuel feeding control valve (2) is in open mode after cut off the power supply by the non-neutral gear SC sigmal control of selector of speed changer, torque-converters begins oil-filled, the torque-converters carry-over moment increases gradually along with the increase of oil mass in the torque-converters, thereby has realized the gentle start of railroad track car.
In actual application, can change the elastic force of spring (3) by the quantity that pad (4) is regulated in increase and decrease, and then regulate the torque-converters ball valve (1) of draining the oil and open, close corresponding engine speed automatically.
Fig. 3 is that traditional single-stage two-phase three element fluid torque converter is installed before and after the damping device of the present invention the state comparison diagram that changes to the output torque one grade time of advancing from neutral gear: traditional single-stage two-phase three element fluid torque converter, the torque-converters output torque just reaches the test loading torque from 0 in 0.1～0.2 second, impacts bigger; Install the fluid torque converter behind the damping device of the present invention additional, the torque-converters output torque reaches the test loading torque gradually reposefully from 0 in 5 seconds, and vehicle start does not have impact, smooth shifting, and effect is obvious.
Claims (4)
1. automobile-used torque converter damping device of railroad track, constitute by drain the oil ball valve (1) and torque-converters fuel feeding control valve (2) two-part of torque-converters, the torque-converters ball valve (1) of draining the oil is positioned in processed drain oil place on the maximum cylindrical of converter pump, and torque-converters fuel feeding control valve (2) is positioned on the torque-converters fuel feeding road.It is characterized in that: do not change the basic structure of traditional fluid torque converter,, can realize the variation of fluid torque converter working state, and then control the output torque of fluid torque converter by increasing the control unit that two control fluid torque converters charge and discharge oil.
2. the automobile-used torque converter damping device of a kind of railroad track according to claim 1, it is characterized in that: torque-converters drain the oil ball valve (1) by valve seat (3), regulate pad (4), spring (5), seal ring (6), steel ball (7) and formed, torque-converters the opening and closing by the engine speed of correspondence and being controlled of ball valve (1) of draining the oil.
3. the automobile-used torque converter damping device of a kind of railroad track according to claim 1, it is characterized in that: torque-converters fuel feeding control valve (2) often leaves electromagnetic switch valve for standard, be connected with the selector of speed changer by connecting line, promptly close automatically after the energising; The selector gear signal of torque converter has been controlled the energising and the outage of torque-converters fuel feeding control valve (2), and then has controlled the state that torque-converters fuel feeding control valve (2) is closed and opened.
4. the automobile-used torque converter damping device of a kind of railroad track according to claim 1, it is characterized in that: in the running of torque converter, drain the oil ball valve (1) and torque-converters fuel feeding control valve (2) work that cooperatively interacts of torque-converters charges and discharge oil to torque-converters and controls, when torque converter is positioned at neutral gear, when motor is idling (being generally 700～900 rev/mins), the torque-converters ball valve (1) of draining the oil is opened automatically, and torque-converters fuel feeding control valve (2) is closed fuel cut-off, and torque-converters begins to drain the oil; When changing to from neutral gear, torque converter advances one grade, engine speed is during greater than a certain setting value (generally being set at 1100 rev/mins), the torque-converters ball valve (1) of draining the oil is closed automatically, and torque-converters fuel feeding control valve (2) is in open mode, and torque-converters begins oil-filled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102947366A CN101968110A (en) | 2010-09-28 | 2010-09-28 | Hydrodynamic transmission buffering device for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102947366A CN101968110A (en) | 2010-09-28 | 2010-09-28 | Hydrodynamic transmission buffering device for railway vehicle |
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| CN101968110A true CN101968110A (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102947366A Pending CN101968110A (en) | 2010-09-28 | 2010-09-28 | Hydrodynamic transmission buffering device for railway vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261450A (en) * | 2011-04-26 | 2011-11-30 | 中国北方车辆研究所 | Oil drain valve for reducing starting torque of hydraulic torque converter |
| CN102808939A (en) * | 2012-08-12 | 2012-12-05 | 哈尔滨东安汽车发动机制造有限公司 | Method for controlling torque converter of automatic transmission |
| CN110925378A (en) * | 2019-12-23 | 2020-03-27 | 大唐郓城发电有限公司 | Hydraulic coupler |
| CN112590767A (en) * | 2020-12-21 | 2021-04-02 | 贵州凯星液力传动机械有限公司 | P2 hybrid system and method for reducing impact when switching hybrid mode |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203147U (en) * | 1986-05-15 | 1987-02-11 | 石油勘探开发科学研究院机械所 | Two-way load-off loop and blocking type hydraulic moment changing apparatus |
| US5240457A (en) * | 1992-10-29 | 1993-08-31 | Eaton Corporation | Sealing arrangement for a torque converter vane damper |
| US6142272A (en) * | 1997-08-26 | 2000-11-07 | Luk Getriebe-Systeme Gmbh | Hydrodynamic torque converter |
| CN2462149Y (en) * | 2000-12-20 | 2001-11-28 | 吴惟仁 | Double-turbine hydraulic moment variator with external pressure limitted adjustable control valve |
| CN2859096Y (en) * | 2005-12-02 | 2007-01-17 | 中国船舶重工集团公司第七一一研究所 | Cool milling machine used hydrodynamic torque-converter |
| CN201100276Y (en) * | 2007-02-05 | 2008-08-13 | 于晓卿 | A distributor |
| CN201258499Y (en) * | 2008-08-30 | 2009-06-17 | 中国人民解放军63983部队 | Efficiency control device of high power hydraulic transmission system |
-
2010
- 2010-09-28 CN CN2010102947366A patent/CN101968110A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203147U (en) * | 1986-05-15 | 1987-02-11 | 石油勘探开发科学研究院机械所 | Two-way load-off loop and blocking type hydraulic moment changing apparatus |
| US5240457A (en) * | 1992-10-29 | 1993-08-31 | Eaton Corporation | Sealing arrangement for a torque converter vane damper |
| US6142272A (en) * | 1997-08-26 | 2000-11-07 | Luk Getriebe-Systeme Gmbh | Hydrodynamic torque converter |
| CN2462149Y (en) * | 2000-12-20 | 2001-11-28 | 吴惟仁 | Double-turbine hydraulic moment variator with external pressure limitted adjustable control valve |
| CN2859096Y (en) * | 2005-12-02 | 2007-01-17 | 中国船舶重工集团公司第七一一研究所 | Cool milling machine used hydrodynamic torque-converter |
| CN201100276Y (en) * | 2007-02-05 | 2008-08-13 | 于晓卿 | A distributor |
| CN201258499Y (en) * | 2008-08-30 | 2009-06-17 | 中国人民解放军63983部队 | Efficiency control device of high power hydraulic transmission system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261450A (en) * | 2011-04-26 | 2011-11-30 | 中国北方车辆研究所 | Oil drain valve for reducing starting torque of hydraulic torque converter |
| CN102261450B (en) * | 2011-04-26 | 2013-06-26 | 中国北方车辆研究所 | Oil drain valve for reducing starting torque of hydraulic torque converter |
| CN102808939A (en) * | 2012-08-12 | 2012-12-05 | 哈尔滨东安汽车发动机制造有限公司 | Method for controlling torque converter of automatic transmission |
| CN110925378A (en) * | 2019-12-23 | 2020-03-27 | 大唐郓城发电有限公司 | Hydraulic coupler |
| CN112590767A (en) * | 2020-12-21 | 2021-04-02 | 贵州凯星液力传动机械有限公司 | P2 hybrid system and method for reducing impact when switching hybrid mode |
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Application publication date: 20110209 |