CN101797887B - Multi-functional drive element used for oil-liquid hybrid electric vehicle - Google Patents
Multi-functional drive element used for oil-liquid hybrid electric vehicle Download PDFInfo
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- CN101797887B CN101797887B CN 200910165849 CN200910165849A CN101797887B CN 101797887 B CN101797887 B CN 101797887B CN 200910165849 CN200910165849 CN 200910165849 CN 200910165849 A CN200910165849 A CN 200910165849A CN 101797887 B CN101797887 B CN 101797887B
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Abstract
The invention relates to a multi-functional drive element used for an oil-liquid hybrid electric vehicle, which has a planetary gear train structure, has serial and parallel grading variables, integrates the functions of a pump, a motor, a shaft coupling, a speed reducer and a buffer into a whole and can recover 85 percent of the braking energy of the vehicle. Planetary gears are in double-acting working, the radial hydraulic pressure borne by each gear is balanced, the mechanical efficiency is very high, the service life is long, and the discharge capacity is large. The invention is conveniently connected with a traditional vehicle power transmission mechanism, is suitable for an urban bus, is also suitable for a miniature speedster and has a great meaning for enhancing the acceleration performance of the vehicle, lowering the energy consumption and reducing the discharge.
Description
Technical field
Multi-functional drive element used for oil-liquid hybrid electric vehicle of the present invention belongs to Hydraulic Elements gear type pump, motor, the functions such as gear reducer, coupler, safety buffer are all arranged, adopt the recyclable braking energy of the improved automobile of the present invention more than 85%, reduce engine power 20%～40%, starting is fast, brake torque is large, braking is steady, when the brake system fault, buffer-braking stops rapidly, frequently on city bus and all kinds of automobiles at urban highway of mainly travelling, economy and the feature of environmental protection are the most outstanding in start-stop in use.
Background technology
It is high that automobile oil-liquid hybrid electric and oil electric mixed dynamic relatively have hydraulic accumulation energy density, horsepower output is large, braking force is little with velocity variations, the percent recovery is high, energy is in the internal conversion of mechanical energy form, approach is short, speed is fast, efficient is high, engine operation can reach 90% with first-class advantage in the peak efficiency district time, therefore international, domestic all in active research, but maximum the problem inclined disc type and bent axis type axial piston pump that is existing hydraulic energy and mechanical energy conversion element, motor energy bi-directional conversion efficient is low, rotating speed is low, noise is large, volume is large, Heavy Weight, function singleness, connect difficulty with automobile tradition messenger chain.
Summary of the invention
Inclined disc type and the bent axis type axial piston pump of existing oil-liquid hybrid electric vehicle energy bi-directional conversion element, motor, because structure and technical limitation, therefore conversion efficiency is low, rotating speed is low, noise is large, volume is large, Heavy Weight, function singleness, connect difficult with the traditional messenger chain of automobile, for tying this technical barrier of determining, the invention provides a kind of multi-functional drive element of planetary wheel pump configuration.
The present invention solves existing plunger pump, motor uses in oil-liquid hybrid electric vehicle and exists efficient low, rotating speed is low, noise is large, volume is large, function singleness, the technical scheme that connects these difficult problems of difficulty with automobile tradition messenger chain is: a kind of rank variable planetary gear pump is provided, motor, retarder is all arranged, coupler, the planetary gear construction driver element of buffer function, center sun wheel and three planetary wheel engagements, consist of three gear-on-gear pump in parallel, the pressure line both sides of central sun gear and three planetary wheel engagements, assignment hole on the flow side plate end face is of the same name in the same way, and assignment hole of the same name is connected an inner ring oil inlet and outlet by flow runner and flow copper sheathing.Engagement in planetary wheel outer end and the Central inner gear, consist of three gear-within-gear pumps in parallel, the pressure line both sides of three satellite gears and Central inner gear engagement, assignment hole on the flow side plate end face is of the same name in the same way, and assignment hole of the same name is connected an outer ring oil inlet and outlet by flow runner and flow copper sheathing.The total outer ring of inside and outside two group of three combination gear pump A hydraulic fluid port, inner ring A hydraulic fluid port, outer ring B hydraulic fluid port, four hydraulic fluid ports of inner ring B hydraulic fluid port are drawn, and for control loop control, can realize connection in series-parallel rank variable pump, motor and coupler, retarder, buffer function.Respectively there is a brake disc on the Central inner gear both sides, when the braking liquid force feed entered the spool bottom, spool promoted brake disc, clamped Central inner gear, input gear axle and flow output shaft are planetary reduction gear, and speed ratio is pressed planet circular system basic calculating formula (N
a-N
H)/(N
1-N
HThe Z of)=-
C/ Z
aWhen Nc=0, calculate.For guaranteeing Central inner gear and satellite gear positive engagement, Central inner gear retrains without radial bearing, three pressure line constraints by Central inner gear and three planetary wheel engagements, simultaneously for guaranteeing positiver sealing between Central inner gear tooth top and the spacing block, floating seal watt is set between spacing block and Central inner gear, between floating seal watt and the spacing block sealing band is set, sealing floating seal watt and spacing block gap.
The invention has the beneficial effects as follows: compare with the plunger pump of existing function singleness, rotating speed is high, has increased the mechanical reducer function, and the noise decrease only connects with the orthodox car Power train and need remove drop-gear box, and the present invention is installed, and it is convenient to connect.Because planetary wheel is double acting work, the suffered hydraulic radial force balance of each gear, so mechanical efficiency is high, and the life-span is long, and discharge capacity is large, and volume is little, lightweight, and not only applicable city bus also is applicable to the miniature high-speed automobile.The present invention is widely used on the automobile, and reduction energy consumption, minimizing discharging are significant.
Description of drawings
Shown in Figure 1 is the axial sectional structure schematic diagram of multi-functional drive element used for oil-liquid hybrid electric vehicle of the present invention.
The figure of being shown in Figure 2 one dismounting flow output shaft (1), pass in and out the left TV structure schematic diagram behind oily end cap (2), screw (6), the flow side plate (7).
Shown in Figure 3 is the axial sectional structure schematic diagram of flow output shaft (1) B-B among Fig. 4.
Flow output shaft (1) A-A analyses and observe and shows structure intention among the Fig. 3 of being shown in Figure 4.
The right side of the Fig. 1 of being shown in Figure 5 is looked and is shown the structure intention.
1. flow output shafts among Fig. 1,2. turnover oily end cap, 3. flow runner, 4. outer ring oil inlet and outlet, 5. flow copper sheathing, 6. screw, 7. flow side plate, 8. right brake disc, 9. spacing block, 10. floating seal watt, 11. left brake discs, 12. side plates, 13. platen, 14. anti-friction bearings, 15. input gear axles, 16. the installation end pump cover, 17. housing screws, 18. spools, 19. the brake cylinder hydraulic fluid port, 20. compensating-gear shafts, 21. planetary wheels, 22. Central inner gear, 23. outer ring A hydraulic fluid ports, 24. inner ring B hydraulic fluid ports, 25. outer ring B hydraulic fluid port, 26. inner ring A hydraulic fluid ports, 27. inner ring oil inlet and outlets, 28. flat key, 29. sealing bands.
23. outer ring A hydraulic fluid ports among Fig. 2,24. inner ring B hydraulic fluid ports, 25. outer ring B hydraulic fluid ports, 26. inner ring A hydraulic fluid ports, the outline line of each oil port are the outline lines of flow side plate (7) each hydraulic fluid port of end face.
I, II, III, IV are upper corresponding flow copper sheathing (5) the internal circular-grooves center of flow output shaft (1) aspects among Fig. 3.
Do not annotate the hole of sequence number among Fig. 4 with of the same name with 120 ° of corresponding holes of central axis rotation.
It is respectively the cross-sectional schematic of outer ring oil inlet and outlet (4) and inner ring oil inlet and outlet (27) shown in Fig. 5 midship section symbol.
The specific embodiment
A kind of multi-functional drive element used for oil-liquid hybrid electric vehicle, input gear axle (15) and the external engagement of three planetary wheels (21), connect engagement in planetary wheel (21) opposite side and the Central inner gear (22), space mounting spacing block (9) between each gear teeth tips and sealing bearing bush (10), spacing block (9), sealing bearing bush (10) and input gear axle (15), planetary wheel (21) and Central inner gear (22) are contour, spacing block (9) is by straight pin and flow side plate (7), the deep bid end face blind hole of flow output shaft (1) and side plate (12), platen (13) deep bid end face blind hole location, planetary wheel (21) mesopore close-fitting anti-friction bearing (14), anti-friction bearing (14) endoporus and compensating-gear shaft (20) free-running fit, the through hole close-fitting that one end of compensating-gear shaft (20) passes flow side plate (7) enters in the blind hole of flow output shaft (1) deep bid end face, the other end passes side plate (12) through hole close-fitting and enters in the blind hole of platen (13) deep bid end face, with housing screw (17) compensating-gear shaft (20) is compressed, the deep bid end face of the deep bid end face of platen (13) and flow output shaft (1) and centre part free-running fit, flow output shaft (1) axle journal end is packed into and is passed in and out interior flow copper sheathing (5) endoporus of oily end cap (2), the axle journal of platen (13) is packed in the bearing bore of installation end pump cover (16), fixing with screw (6), form the 2K-H planetary wheel mechanism.The hydraulic fluid port of the same name of each relative planetary wheel (21) same position, by with the same inner groove communication of the logical flow runner (3) of its filling at the same aspect of flow output shaft (1) axle journal section and flow copper sheathing (5), outer ring A hydraulic fluid port (23), outer ring B hydraulic fluid port (25) is linked up by (5) two inner grooves of flow copper sheathing and two outer ring oil inlet and outlets (4), inner ring A hydraulic fluid port (24), inner ring B hydraulic fluid port (26) is linked up by (5) two inner grooves of flow copper sheathing and two inner ring oil inlet and outlets (27), four oil inlet and outlets externally under the loop control, can be realized series connection, parallel pumps, motor function and coupler, buffer function.Central inner gear (22) external diameter does not have the bearing constraint, and Central inner gear (22) guarantees all pressure line positive engagement by three pressure line supportings that planetary wheel (21) contacts with Central inner gear (22).Be provided with floating seal watt (10) between spacing block (9) external cylindrical surface and the Central inner gear (22), floating seal watt (10) is fixed with flat key (28) and spacing block (9) circumferencial direction, and flat key (28) both sides, spacing block (9) and floating seal watt (10) among has sealing band (29) for the gap between seal isolation piece (9) and the floating seal watt (10).Central inner gear (22) both sides are provided with right brake disc (8) and left brake disc (11), after pressure oil enters brake cylinder hydraulic fluid port (19), spool (18) has enough thrust to promote left and right brake disc clamping braking Central inner gear (22), realizes the planetary reduction gear function.
Among the present invention; Central inner gear (22) external diameter does not have the bearing constraint; be provided with floating seal watt (10) between three pressure lines supportings that Central inner gear (22) is contacted with Central inner gear (22) by planetary wheel (21) and spacing block (9) external cylindrical surface and the Central inner gear (22); be provided with sealing band (29) between spacing block (9) and the floating seal watt (10) and be not limited to said structure for the gap binomial technology between seal isolation piece (9) and the floating seal watt (10); this binomial technology is for 2K-H planetary structure compound gear pump; compound gear pump and the present invention of comprising satellite gear dead axle working forms are principle of uniformity, all belong within the protection domain.
Claims (4)
1. multi-functional drive element used for oil-liquid hybrid electric vehicle, it is characterized in that: input gear axle (15) and the external engagement of three planetary wheels (21), connect engagement in planetary wheel (21) opposite side and the Central inner gear (22), space mounting spacing block (9) between each gear teeth tips and sealing bearing bush (10), spacing block (9), sealing bearing bush (10) and input gear axle (15), planetary wheel (21) and Central inner gear (22) are contour, spacing block (9) is by straight pin and turnover oily side plate (7), the deep bid end face blind hole of flow output shaft (1) and side plate (12), platen (13) deep bid end face blind hole location, planetary wheel (21) mesopore close-fitting anti-friction bearing (14), anti-friction bearing (14) endoporus and compensating-gear shaft (20) free-running fit, the through hole close-fitting that one end of compensating-gear shaft (20) passes the oily side plate of turnover (7) enters in the blind hole of flow output shaft (1) deep bid end face, the other end passes side plate (12) through hole close-fitting and enters in the blind hole of platen (13) deep bid end face, with housing screw (17) compensating-gear shaft (20) is compressed, the deep bid end face of the deep bid end face of platen (13) and flow output shaft (1) and centre part free-running fit, flow output shaft (1) axle journal end is packed into and is passed in and out interior flow copper sheathing (5) endoporus of oily end cap (2), the axle journal of platen (13) is packed in the bearing bore of installation end pump cover (16), fixing with screw (6), form the 2K-H planetary wheel mechanism, the hydraulic fluid port of the same name of each relative planetary wheel (21) same position, by linking up at the same inner groove of the same aspect of flow output shaft (1) axle journal section and flow copper sheathing (5) with the flow runner (3) of its perforation, outer ring A hydraulic fluid port (23), outer ring B hydraulic fluid port (25) is linked up by (5) two inner grooves of flow copper sheathing and two outer ring oil inlet and outlets (4), inner ring A hydraulic fluid port (24), inner ring B hydraulic fluid port (26) is linked up by (5) two inner grooves of flow copper sheathing and two inner ring oil inlet and outlets (27), four oil inlet and outlets externally under the loop control, can be realized series connection, parallel pumps, motor function and coupler, buffer function.
2. multi-functional drive element used for oil-liquid hybrid electric vehicle according to claim 1, it is characterized in that: Central inner gear (22) external diameter does not have the bearing constraint, Central inner gear (22) guarantees all pressure line positive engagement by three pressure line supportings that planetary wheel (21) contacts with Central inner gear (22).
3. multi-functional drive element used for oil-liquid hybrid electric vehicle according to claim 1, it is characterized in that: be provided with floating seal watt (10) between spacing block (9) external cylindrical surface and the Central inner gear (22), floating seal watt (10) is fixed with flat key (28) and spacing block (9) circumferencial direction, and flat key (28) both sides, spacing block (9) and floating seal watt (10) among has sealing band (29) for the gap between seal isolation piece (9) and the floating seal watt (10).
4. multi-functional drive element used for oil-liquid hybrid electric vehicle according to claim 1, it is characterized in that: Central inner gear (22) both sides are provided with right brake disc (8) and left brake disc (11), after pressure oil enters brake cylinder hydraulic fluid port (19), spool (18) has enough thrust to promote left and right brake disc clamping braking Central inner gear (22), realizes the planetary reduction gear function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910165849 CN101797887B (en) | 2009-08-10 | 2009-08-10 | Multi-functional drive element used for oil-liquid hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910165849 CN101797887B (en) | 2009-08-10 | 2009-08-10 | Multi-functional drive element used for oil-liquid hybrid electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN101797887A CN101797887A (en) | 2010-08-11 |
| CN101797887B true CN101797887B (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910165849 Expired - Fee Related CN101797887B (en) | 2009-08-10 | 2009-08-10 | Multi-functional drive element used for oil-liquid hybrid electric vehicle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287504A (en) * | 2010-12-10 | 2011-12-21 | 吴声震 | Walking speed reducing device of continuous mining machine |
| CN107905997B (en) * | 2017-10-19 | 2019-03-08 | 浙江大学 | A kind of gear ring structure of anti abrasive Internal Gear Pump Used in Water Hydraulics |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118181U (en) * | 1992-01-04 | 1992-10-07 | 万舜伯 | Planetary gear pump |
| CN1687565A (en) * | 2005-05-31 | 2005-10-26 | 深圳清华大学研究院 | Planet cylinder type plunger pump or motor |
| CN1987104A (en) * | 2005-12-22 | 2007-06-27 | Vmi-Az挤塑设备有限公司 | Planetary gear pump |
| CN201474965U (en) * | 2009-08-10 | 2010-05-19 | 宁波高新协力机电液有限公司 | Multifunctional driving element for oil hybrid power vehicle |
-
2009
- 2009-08-10 CN CN 200910165849 patent/CN101797887B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118181U (en) * | 1992-01-04 | 1992-10-07 | 万舜伯 | Planetary gear pump |
| CN1687565A (en) * | 2005-05-31 | 2005-10-26 | 深圳清华大学研究院 | Planet cylinder type plunger pump or motor |
| CN1987104A (en) * | 2005-12-22 | 2007-06-27 | Vmi-Az挤塑设备有限公司 | Planetary gear pump |
| CN201474965U (en) * | 2009-08-10 | 2010-05-19 | 宁波高新协力机电液有限公司 | Multifunctional driving element for oil hybrid power vehicle |
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| Publication number | Publication date |
|---|---|
| CN101797887A (en) | 2010-08-11 |
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Granted publication date: 20130306 Termination date: 20180810 |
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