CN104455394B - Hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil charge and discharge control mechanism - Google Patents
Hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil charge and discharge control mechanism Download PDFInfo
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- CN104455394B CN104455394B CN201410593114.1A CN201410593114A CN104455394B CN 104455394 B CN104455394 B CN 104455394B CN 201410593114 A CN201410593114 A CN 201410593114A CN 104455394 B CN104455394 B CN 104455394B
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- valve
- valve element
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- hydraulic
- oil extraction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/48—Control of exclusively fluid gearing hydrodynamic
- F16H61/64—Control of exclusively fluid gearing hydrodynamic controlled by changing the amount of liquid in the working circuit
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil charge and discharge control mechanism which comprises an oil discharge body (1), a valve seat (2), a valve sleeve (3), a valve element I (4), a valve deck (5), a valve element I seal ring (4.1), a valve element II seal ring (8.1), a spring (7), a valve element II (8) and an oil charge shell (9). The valve sleeve (3) is arranged in the oil charge shell (9) and is opposite to a corresponding oil charge and discharge opening. The valve seat (2) and the oil discharge body (1) are fixed to the bottom of the valve sleeve (3) at the same time. The valve element II (8), the spring (7) and the valve element I (4) are sequentially arranged in the valve sleeve (3). The hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil injection and discharge control mechanism has the advantages that hydraulic transmission box low-speed and high-speed hydraulic drive units can be controlled to work in a full hydraulic drive mode, no external air source is needed, the structure is simple and compact, the size is small, the weight is light, the number of faulty points is small, and the requirements for light and high-reliability devices are met.
Description
Technical field
The present invention relates to hydraulic power field is and in particular to hydraulic transmission gear box surges, and gearshift, hydraulic power unit fill oil extraction control
Mechanism.
Background technology
At present domestic hydraulic transmission gear box mostly using automatically controlled pneumatic gearshift, automatically controlled pneumatic fill oil extraction working method, have control
Valve and actuator, volume is big, and working impact is big, needs external wind source, easily produces control valve clamping stagnation, leaks out and valve pocket valve element
The faults such as abrasion；Because it is contained in inside hydraulic transmission gear box, leak out and easily make non-contact seals produce leakage, whole biography of impact
Dynamic case work.The application of the present invention, hydraulic transmission gear box using electrically controlled and hydraulically shift gears, electrically controlled and hydraulically fill oil extraction mode, overcome with
Upper deficiency, stable working, small volume, reliable, durable, the features such as do not need external wind source, being particularly suitable for present hydraulic power will
Ask lightweight, high-reliability requirement.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of electrically controlled and hydraulically to control gearshift, hydraulic power unit for hydraulic transmission gear box
Fill oil-releasing mechanism, solve that automatically controlled pneumatic controlling organization volume is big, working impact is big, leak out, easy clamping stagnation, abrasion the shortcomings of, this
Invention employs the following technical solutions realization：Surge gearshift, hydraulic power unit of hydraulic transmission gear box fills oil discharge control mechanism, oil-filled housing
It is inside valve pocket, valve seat, oil extraction body from top to bottom；Valve pocket, valve seat, oil extraction body are connected；Inside valve pocket from top to bottom equipped with valve element I,
Spring, valve element II, are mutually compressed by spring-compressed in the middle of valve element I and valve element II, and valve element I external diameter fills oil extraction on setting valve element
Aerofluxuss annular groove on annular groove, valve element, valve element II external diameter fills oil extraction annular groove on setting valve element；Oil extraction annular groove is filled on valve element, on valve element
Aerofluxuss annular groove with oil extraction, exhaust hole and oil-filled housing are filled on the valve pocket outside valve pocket fill oil extraction, exhaust hole is adapted；Valve
Lid and oil-filled housing adopt upper bolt tight, and valve gap is provided with oilhole on valve gap, provide for valve element I and control oil；On valve pocket
Carry out oilhole on setting valve pocket, provide for valve element II and control oil；On the valve gap of setting on valve gap, fuel feed hole is next oily with oil-filled housing
Hole is corresponding.
Described valve element I lower end and valve element II upper end are equipped with spring mounting-positioning holes.
It is provided with constant depth step in described valve pocket.
Described oil extraction body side surface is provided with oil drain out.
Described valve element I external diameter is provided with seal groove, its overcoat valve element I sealing ring, and valve element II external diameter is provided with seal groove,
Its overcoat valve element II sealing ring.
It is provided with alignment pin between described valve gap and valve pocket, be provided between the entirety of valve pocket and valve seat and oil extraction body
Lower alignment pin.
Oil extraction is filled on the valve pocket outside described valve pocket, exhaust hole is arranged on and fills oil extraction, exhaust groove outside valve pocket
Interior.
The invention has the beneficial effects as follows, this structure fully achieves full fluid power and controls hydraulic transmission gear box low speed, high speed fluid power
Cell operation, compact conformation, small volume, structure simple it is not necessary to external wind source, trouble point is few, meets lightweight, high reliability
Equipment needs.
Brief description
Fig. 1 is present configuration schematic diagram.
Fig. 2 is valve element I operating position schematic diagram
Fig. 3 is valve element II operating position schematic diagram
In figure labelling：1st, oil extraction body, 1.1, oil drain out, 2, valve seat, 3, valve pocket, 3.1, fill oil extraction, exhaust hole on valve pocket,
3.2nd, constant depth step, 3.3, valve element I top, 3.4, valve element II bottom, 3.5, carry out oilhole on valve pocket, 4, valve element I, 4.1, valve
Core I sealing ring, 4.2, aerofluxuss annular groove on valve element, 4.3, oil extraction annular groove filled on valve element, 5, valve gap, 5.1, carry out oilhole on valve gap, 5.2
Fuel feed hole on valve gap, 6, upper bolt, 6.1, upper alignment pin, 7, spring, 8, valve element II, 8.1, valve element II sealing ring, 9, oil-filled shell
Body, 10, lower bolt, 10.1, lower alignment pin.
Specific embodiment
In conjunction with accompanying drawing 1 to accompanying drawing 3, the present invention is described further, and hydraulic transmission gear box surges gearshift, hydraulic power unit
Fill oil discharge control mechanism to include：Oil extraction body 1, valve seat 2, valve pocket 3, valve element I 4, valve gap 5, valve element I sealing ring 4.1, valve element II seal
Ring 8.1, spring 7, valve element II 8, oil-filled housing 9；Valve pocket 3 load in oil-filled housing 9 and with oil-filled housing 9 fill oil extraction, aerofluxuss
Through hole is adapted, valve element I 4 and the valve element of setting on valve element II 8 external diameter fill oil extraction annular groove 4.3, on valve element aerofluxuss annular groove 4.2 with
Oil extraction is filled on the valve pocket outside valve pocket 3, exhaust hole 3.1 is adapted；Each fills oil drain out and corresponds to；Valve seat 2 is same with oil extraction body 1
When be fixed on valve pocket 3 bottom, valve element II 8, spring 7, valve element I 4 are sequentially loaded in valve pocket 3 from bottom to top, valve element II 8 and valve element I 4
Between compressed by spring-compressed, control oil not pass through the oil-filled promotion in valve element I top 3.3 and valve element II bottom 3.4 valve element I He
Valve element II is mobile, realizes hydraulic transmission gear box hydraulic power unit and fills oil extraction work, can also realize individually filling row to certain hydraulic power unit
Oil is it is also possible to realize two hydraulic power units are filled with oil extraction work simultaneously.As shown in Figures 2 and 3, hydraulic power unit includes low speed change
Square device hydraulic power unit and high speed torque-converters or coupling device hydraulic power unit, torque-converters hydraulic power unit include pump impeller, turbine, introduction,
Oil sealing and housing；Coupling device hydraulic power unit includes pump impeller, turbine and housing.
In order to realize each gear oil circuit sealing, valve element I 4 external diameter relevant position is provided with closure gasket groove, installs during assembling
Upper valve core I sealing ring 4.1, valve element II 8 external diameter relevant position is provided with closure gasket groove, installs upper valve core II sealing ring during assembling
8.1；Valve element I 4 external diameter is provided with valve element and fills oil extraction annular groove 4.3, aerofluxuss annular groove 4.2 on valve element, valve element II 8 external diameter is provided with
Oil extraction annular groove 4.3 is filled on valve element.For fixing spring 7 position, valve element I 4 bottom, valve element II 8 top are provided with spring mounting-positioning holes.
Control for realizing each valve element fixed journey system, be provided with constant depth step 3.2 inside valve pocket 3.In order to working oil
Deliver to respective working chamber respectively, and exclude working oil when on demand, be provided with outside valve pocket 3 and fill oil extraction, exhaust groove, valve pocket 3
It is provided with outside diameter mill on valve pocket and fill oil extraction, exhaust hole 3.1.
Deliver to valve element I top 3.3, valve element II bottom 3.4 for control liquefaction, realize valve element I and valve element II by predetermined stroke
Mobile, fuel feed hole 5.2 on oilhole 5.1 and valve gap on valve gap is provided with valve gap 5, is provided with oilhole on valve pocket on valve pocket 3
3.5 are used for promoting valve element I 4 and valve element II 8 mobile；It is provided between valve gap 5 and valve pocket 3 for oilhole dislocation when preventing from installing
Alignment pin 6.1, is provided with lower alignment pin 10.1 between the entirety of valve pocket 3 and valve seat 2 and oil extraction body 1.
It is transported to corresponding working chamber from the working oil that valve body comes for cooperation, oil-filled housing 9 relevant position sets
Have and fill oil extraction, air vent.When discharging working oil, working oil is discharged from working chamber oil-out, corresponding through valve body and valve element
Oil drain out, working oil is discharged in casing the oil drain out 1.1 being provided with finally by oil extraction body 1 side.
When needing the work of bottom gear hydraulic power unit, the certain pressure that has that valve element I top 3.3 comes in conveying controls oil to make
With under move down certain position, working oil path is connected, and working oil delivers to work intracavity, and active wheel is started working.Press when controlling
When power oil circuit is closed, valve element I 4 returns to original state, and working chamber working oil is discharged.Pass through the movement of valve element II 8 in the same manner, resetting can
Fill oil extraction needs to realize top gear hydraulic power unit working oil.
In hydraulic transmission gear box shift process, in order to avoid hydraulic transmission gear box exports power interruption or drives sending out of its operating
Motivation (or motor) causes driving because resistance suddenly disappears, and this controlling organization can be realized low by valve element I 4, valve element II 8 movement
Fast shelves, top gear hydraulic power unit working chamber are filled with working oil simultaneously so that the bottom gear top gear hydraulic power unit working chamber short time
Overlapping work.Pass through to control valve element I 4, valve element II 8 to be individually moved it is also possible to realize the work of certain hydraulic power unit for job demand
In low speed and high regime.Directly cast out outside valve pocket 3 and fill oil extraction, exhaust groove, external diameter, endoporus are processed into fit dimension, valve
Set 3 inside process constant depth step 3.2, external diameter gets out for by working oil, discharge gas valve pocket on fill oil extraction,
Exhaust hole 3.1.Oil-filled housing 9 relevant position casts out and fills oil extraction, air vent, endoporus is processed into and valve pocket 3 external diameter phase
Fit dimension.
During installation, valve pocket 3 bottom is tight with 10, lower bolt after valve seat 2 and oil extraction body 1 are positioned with lower alignment pin 10.1,
Valve element II 8 equipped with valve element II sealing ring 8.1 loads valve pocket 3 from upper end, is then charged into spring 7, reinstalls equipped with valve element I sealing
The valve element I 4 of ring 4.1, is loaded in oil-filled housing 9 with upper part together with valve pocket 3, need to be directed at each oil-filled, oil extraction, air vent；Finally
Valve gap 5 is installed, valve gap 5 controls oilhole to be aligned with the control port of oil-filled housing 9, then with 6 valve gaps of bolt 5 and oil-filled housing
Tight at 9 oil-feeds, complete assembling.
During work, first bottom gear hydraulic power unit work, valve element I 4 is moved down under having certain pressure control oil effect
At valve pocket 3 upper step, working oil path is connected, and working oil delivers to hydraulic power unit work intracavity, and active wheel is started working；Work as fluid power
When unit output speed reaches certain value, valve element II 8, in the presence of Stress control oil, is moved upwards up to valve element I 4 bottom position
Put, top gear hydraulic power unit working chamber is filled with working oil so that the work of bottom gear top gear hydraulic power unit has the short time overlapping, this
The transmission of sample power can not be interrupted；It also avoid electromotor or motor driving fault, back valve core I top 3.3 pressure oil close
Valve element I 4 resets, and valve element II 8 continues to move up to valve element I 4 bottom, is only now the work of top gear hydraulic power unit.Work as parking
When, at valve element I 4, valve element II 8, Stress control oil is closed, and is moved respectively to original state, fluid power in the presence of spring 7 elastic force
A cycle of operation realized by transmission case.
When certain hydraulic power unit is faulty, valve element I 4 or valve element II 8 single movement can be passed through, excise fault fluid power list
Unit, realizes some normal hydraulic power unit and is operated in low speed and high regime.In the middle of above work process, in figure can be seen that this
Mechanism fully achieves full fluid power and controls transmission case work, compact conformation, simple, controls reliable, small volume, lightweight, decreases
Fault occurs.
Claims (7)
1. hydraulic transmission gear box surge gearshift, hydraulic power unit fill oil discharge control mechanism it is characterised in that：From upper in oil-filled housing (9)
To lower for valve pocket (3), valve seat (2), oil extraction body (1)；Valve pocket (3), valve seat (2), oil extraction body (1) are connected；Valve pocket (3) internal from upper
To under equipped with valve element I (4), spring (7), valve element II (8), in the middle of valve element I (4) and valve element II (8) by spring (7) compression mutually
Compression, setting valve element on valve element I (4) external diameter fills oil extraction annular groove (4.3), aerofluxuss annular groove (4.2) on valve element, valve element II (8) is outward
Oil extraction annular groove (4.3) is filled on setting valve element on footpath；Oil extraction annular groove (4.3), aerofluxuss annular groove (4.2) and valve pocket on valve element are filled on valve element
(3) fill on outside valve pocket oil extraction, exhaust hole (3.1) and oil-filled housing (9) fill oil extraction, exhaust hole is adapted；Valve gap
(5) adopt upper bolt (6) tight with oil-filled housing (9), valve gap (5) is provided with oilhole on valve gap (5.1), is valve element I (4)
There is provided and control oil；Valve pocket (3) upper setting carrys out oilhole (3.5) on valve pocket, is that valve element II (8) provides control oil；Valve gap (5) is upper to be arranged
Valve gap on fuel feed hole (5.2) and oil-filled housing (9) oilhole that comes up corresponding.
2. surge gearshift, hydraulic power unit of hydraulic transmission gear box according to claim 1 fills oil discharge control mechanism, and its feature exists
In：Described valve element I (4) lower end and valve element II (8) upper end are equipped with spring mounting-positioning holes.
3. surge gearshift, hydraulic power unit of hydraulic transmission gear box according to claim 1 fills oil discharge control mechanism, and its feature exists
In：It is provided with constant depth step (3.2) in described valve pocket (3).
4. surge gearshift, hydraulic power unit of hydraulic transmission gear box according to claim 1 fills oil discharge control mechanism, and its feature exists
In：Described oil extraction body (1) side is provided with oil drain out (1.1).
5. surge gearshift, hydraulic power unit of hydraulic transmission gear box according to claim 1 fills oil discharge control mechanism, and its feature exists
In：Described valve element I (4) external diameter is provided with seal groove, its overcoat valve element I sealing ring (4.1), and valve element II (8) external diameter is provided with
Seal groove, its overcoat valve element II sealing ring (8.1).
6. surge gearshift, hydraulic power unit of hydraulic transmission gear box according to claim 1 fills oil discharge control mechanism, and its feature exists
In：It is provided with alignment pin (6.1), the entirety of valve pocket (3) and valve seat (2) and oil extraction between described valve gap (5) and valve pocket (3)
It is provided with lower alignment pin (10.1) between body (1).
7. surge gearshift, hydraulic power unit of hydraulic transmission gear box according to claim 1 fills oil discharge control mechanism, and its feature exists
In：Fill oil extraction on the outside valve pocket of described valve pocket (3), exhaust hole (3.1) be arranged on valve pocket (3) outside fill oil extraction, row
In gas groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593114.1A CN104455394B (en) | 2014-10-29 | 2014-10-29 | Hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil charge and discharge control mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593114.1A CN104455394B (en) | 2014-10-29 | 2014-10-29 | Hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil charge and discharge control mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455394A CN104455394A (en) | 2015-03-25 |
| CN104455394B true CN104455394B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410593114.1A Active CN104455394B (en) | 2014-10-29 | 2014-10-29 | Hydraulic transmission box hydraulic drive gear shifting and hydraulic unit oil charge and discharge control mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211998B (en) * | 2020-11-10 | 2022-01-25 | 中车大连机车研究所有限公司 | Control system of torque converter of hydraulic transmission case |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2062308B1 (en) * | 1970-12-17 | 1972-05-04 | Rauch C | Flush valve arrangement for reversible hydrostatic transmissions |
| FR2437654A1 (en) * | 1978-09-29 | 1980-04-25 | Renault | PRESSURE REGULATOR |
| US6826908B1 (en) * | 2002-03-05 | 2004-12-07 | Sonnax Industries, Inc. | Pressure regulator valve assembly |
| DE102011002600B4 (en) * | 2011-01-12 | 2023-07-27 | Robert Bosch Gmbh | Valve arrangement, in particular in a motor vehicle automatic transmission |
| CN202431632U (en) * | 2011-11-30 | 2012-09-12 | 中国北车集团大连机车研究所有限公司 | Two-gear controlled executing valve |
| CN203363121U (en) * | 2013-04-15 | 2013-12-25 | 东营市泰恩斯动力传动设备有限公司 | Four-to-five speed upgrade control mechanism in automatic gearbox |
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| CN104455394A (en) | 2015-03-25 |
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