CN2666718Y - Clutch set sheet type antisliding speed differential mechanism drived and controlled by hydraulic - Google Patents
Clutch set sheet type antisliding speed differential mechanism drived and controlled by hydraulic Download PDFInfo
- Publication number
- CN2666718Y CN2666718Y CN 200320104546 CN200320104546U CN2666718Y CN 2666718 Y CN2666718 Y CN 2666718Y CN 200320104546 CN200320104546 CN 200320104546 CN 200320104546 U CN200320104546 U CN 200320104546U CN 2666718 Y CN2666718 Y CN 2666718Y
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- differential
- thrust
- semiaxis
- flange
- gear
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Abstract
The utility model discloses a clutch group-parcel type anti-slip differential that is driven and controlled by hydraulic force and aims at providing an anti-slip differential with simple structure and changeable anti-slip lock-up force. The utility model takes the ordinary symmetry-typed taper planet gear differential as the mother shape and arranges a clutch group-parcel in the shell body of the differential. The technical point is: when the piston hydraulic cylinder arranged in the bearing lateral cover feels the hydraulic force from the outside, the produced thrust acts on a stressed flange on a half-axis by a thrust piston and by a thrust bearing, which makes the half axis and the half-axis gear with fixed axial direction move outward together, and the moving result is that the back of the half-axis gear impacts into the clutch group-parcel, thus making the clutch group-parcel lock up and making the shell body of the differential which is related with the clutch group-parcel and the half-axis gear lock up with each other, and the result is that the differential produces anti-slip efficiency.
Description
Technical field
The utility model is a kind of device about preventing that automobile driving wheel from skidding, especially about a kind of clutch pack chip anti-skid final drive that is driven control by fluid power.
Background technology
Common diff can only provide automobile speed discrepancy of required appearance between each drive wheel when turning, but can not prevent the phenomenon that skidding appearred in indivedual drive wheels when automobile travelled in bad road conditions, anti-skid final drive can address this problem, at present existing polytype anti-skid final drive is applied on the automobile, especially the application of cross country car, the performance requriements to anti-skid final drive is also more and more higher simultaneously.One " the English-Chinese automotive technology dictionary of diagram " arranged, this book is published by China Machine Press, the sequence number of book is ISBN7-111-09581-2, mentioned a kind of fluid power multidisc clutch formula anti-skid final drive in the book, this anti-skid final drive is formed by the evolution of common symmetrical expression cone planetary gear diff, its feature is the locking Cheng Du that can change diff by the variation of driving the control hydraulic coupling, make automobile adapt to the complicated road conditions that change, but this anti-skid final drive has such shortcoming: because the clutch pack of this anti-skid final drive only is installed on the side in the differential casing, in application process, be subjected to the influence of factors such as clutch segment wearing and tearing, the tolerance clearance of the axle side gear on planetary wheel and both sides will produce unequal, this has just destroyed diff its distinctive moment of torsion when not carrying out antiskid action and has divided performance equally, thus the straight line stationarity when having influenced automobile normal running; The another one shortcoming of this anti-skid final drive is exactly that member is more simultaneously.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of clutch pack chip anti-skid final drive that is driven control by fluid power, it can not only experience different hydraulic couplings and the locking Cheng Du that changes diff to adapt to different road conditions, and it is single between structure, in clutch pack is in the embodiment of single-sided arrangement, the gap of the axle side gear on planetary wheel of the present utility model and both sides can automatic compensation be impartial in use, and the straight-line travelling stationarity of automobile is guaranteed.
The utility model is achieved through the following technical solutions:
With common symmetrical expression cone planetary gear diff is parent form, the supporting side cover is supporting the diff body by antifriction-bearing box, to be with planetary compensating-gear shaft is boundary, one or both sides in differential casing, the master and slave moving plate of clutch pack be set in the inner spline groove of differential casing and the male splines groove of axle side gear back of the body flange in, semiaxis and axle side gear are that spline assembles and axially interfixes by holding screw and rotating-proof nut between the two; The axle side gear institute bonded assembly semiaxis that has clutch driven disk is provided with stressed flange, stressed flange is positioned on the semiaxis in the supporting side cover outside, the bearing surface of stressed flange is towards the supporting side cover, be provided with hollow type piston hydraulic cylinder and corresponding oil duct and oil duct joint with the corresponding supporting side cover of stressed flange, the stressed flange of the thrust direction of the thrust piston in the hollow type piston hydraulic cylinder on semiaxis is placed with thrust baring between described thrust piston and described stressed flange.
In above scheme, the utility model has two kinds of basic structure shapes, and a kind of is double-clutch group chip, and another kind is a single clutch group chip.Same antiskid function, list and member are few between single clutch group slice structure, it only need be provided with stressed flange on a semiaxis, only need cover a support side hollow type piston hydraulic cylinder and corresponding oil duct and oil duct joint are set, and thrust baring only need be placed one.
In the utility model of single clutch group chip, planetary wheel axle bed hole and the power transmission contact surface between the compensating-gear shaft on the differential casing are the plane, planetary wheel axle bed hole and compensating-gear shaft with the power transmission contact surface be extension laterally between be provided with moving interval.
Owing to adopt technique scheme, the clutch pack chip anti-skid final drive that drives control by fluid power that the utility model provides has such beneficial effect: can experience different hydraulic couplings and produce different anti-skidding usefulness to adapt to different road conditions, and single between structure, guaranteed the cruising characteristic of automobile when not carrying out antiskid action simultaneously.
Description of drawings
Fig. 1 is the sectional structural map of first embodiment of the utility model, Fig. 2 is the sectional structural map of the utility model second embodiment, and the A among Fig. 2 is to being to cooperate scheme drawing between the planetary wheel axle bed hole on the differential casing and the compensating-gear shaft among second embodiment.
Among the figure: 1. thrust baring, 2. thrust piston, 3. supporting side cover, 4. clutch pack, 5. axle side gear, 6. planetary wheel, 7. differential casing, 8. rotating-proof nut, 9. holding screw, 10. semiaxis, 11. axle-shaft oil seal, 12. thrust piston seal rings, 13. casing wall seal rings, 14. antifriction-bearing box, 15. compensating-gear shafts.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further specified.
In Fig. 1, clutch pack (4) is a bilateral symmetric arrangement form, supporting side cover (3) is supporting the diff body by antifriction-bearing box (14), the master of clutch pack (4), driven disc be set in the inner spline groove of differential casing (7) and the male splines groove of axle side gear (5) back of the body flange in, the hollow wall cross section of supporting side cover (3) is symmetrical stepped appearance, three cascaded surfaces are formed three circle inner round wall, the inner round wall of outmost turns is pressed with axle-shaft oil seal (11), the inner round wall of the inner round wall of mesosphere and inner ring is formed the casing wall of hydraulic actuating cylinder, the cross section is that two L shaped thrust pistons (2) overlap therebetween, thrust piston seal ring (12) is sleeved in the groove of thrust piston (2), casing wall seal ring (13) is sleeved in the inner round wall groove of the inner ring of supporting side cover (3), and the hydraulic cavities that is surrounded communicates with the external world by oil duct and the oil duct joint that supports on the side cover (3); Stressed flange on the semiaxis (10) is corresponding with thrust piston (2), be placed with roller thrust baring (1) between stressed flange and thrust piston (2), holding screw (9) makes semiaxis (10) and axle side gear (5) axial restraint mutually with rotating-proof nut (8).
Anti-skidding working process is such; When the hydraulic oil in making the hydraulic cavities that is arranged on the supporting side cover (3) under the effect in the external world boosts, thrust piston (2) is motion outwards, and the stressed flange that acts on the semiaxis (10) by thrust baring (1) moves semiaxis (10) laterally, owing to axially interfix by holding screw (9) and rotating-proof nut (8) between semiaxis (10) and the axle side gear (5), axle side gear (5) also moves synchronously laterally like this, the back side of the axle side gear (5) in moving has more become the platen of clutch pack (4) and has compressed clutch pack (4), and then make the differential casing (7) that is associated with clutch pack and axle side gear (5) locking mutually, the engaging force of clutch pack (4) is determined by the size of the hydraulic coupling that thrust piston (2) is experienced, hydraulic coupling is big more, clutch pack (4) binding force is big more, the locking power of diff is also big more, hydraulic coupling is more little, the engaging force of clutch pack (4) is also more little, and the locking power of diff is also more little.
In Fig. 2, clutch pack (4) is the single-sided arrangement form, and member and facility that can make diff produce locking is really increased only are arranged on a side.For fear of in use, planetary wheel (6) produces unequal with the gap of the axle side gear (5) on both sides, increased the function that compensating-gear shaft (15) can laterally move voluntarily, A among Fig. 2 to, the cross sectional shape in the planetary wheel axle bed hole on the differential casing (7) is short fermented soya beans, salted or other wise shape, with the power transmission face of compensating-gear shaft (15) is two parallel planes, and two arc edges and compensating-gear shaft (15) between laterally are reserved with spacing; When the diff in dynamically is in the state that does not carry out locking, planetary wheel (6) makes the middle shaft position of planetary wheel (6) always trend towards the symmetrical center line of both sides axle side gear (5) with axle side gear (5) mutual action on both sides, because compensating-gear shaft (15) side travel is unfettered, so it is impartial that the gap that the axle side gear (5) on planetary wheel (6) and both sides produces respectively in dynamically always keeps, make to have possessed good moment of torsion in the running work of clutch pack chip anti-skid final drive when not carrying out locking of driving control by fluid power provided by the utility model and divide performance equally.
Claims (3)
1. clutch pack chip anti-skid final drive that drives control by fluid power, the supporting side cover is supporting the diff body by antifriction-bearing box, side in differential casing is to both sides, the master of clutch pack, driven disc be set in the inner spline groove of differential casing and the male splines groove of axle side gear back of the body flange in, axle side gear and semiaxis axially interfix both by holding screw and rotating-proof nut on the basis of spline package, it also comprises planetary wheel and compensating-gear shaft, it is characterized in that: the axle side gear institute bonded assembly semiaxis that is with clutch driven disk is provided with stressed flange, stressed flange is positioned on the semiaxis in the supporting side cover outside, and the bearing surface of described stressed flange is towards the supporting side cover; Be provided with hollow type piston hydraulic cylinder and corresponding oil duct and oil duct joint in the corresponding supporting side cover of described stressed flange, the stressed flange of thrust direction on semiaxis during thrust piston action in the described hollow type piston hydraulic cylinder; Between described stressed flange and described thrust piston, be placed with thrust baring.
2. according to claims 1 described clutch pack chip anti-skid final drive that drives control by fluid power, it is characterized in that: described stressed flange is arranged on the semiaxis, described hollow type piston hydraulic cylinder and corresponding oil duct and oil duct joint are arranged in the supporting lid, and described thrust baring is one.
3. according to claims 1 described clutch pack chip anti-skid final drive that drives control by fluid power, it is characterized in that: planetary wheel axle bed hole and the power transmission contact surface between the compensating-gear shaft on the differential casing are the plane, and planetary wheel axle bed hole and compensating-gear shaft are to be provided with moving interval between extend horizontal at the power transmission contact surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320104546 CN2666718Y (en) | 2003-10-31 | 2003-10-31 | Clutch set sheet type antisliding speed differential mechanism drived and controlled by hydraulic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320104546 CN2666718Y (en) | 2003-10-31 | 2003-10-31 | Clutch set sheet type antisliding speed differential mechanism drived and controlled by hydraulic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666718Y true CN2666718Y (en) | 2004-12-29 |
Family
ID=34340910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320104546 Expired - Fee Related CN2666718Y (en) | 2003-10-31 | 2003-10-31 | Clutch set sheet type antisliding speed differential mechanism drived and controlled by hydraulic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2666718Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793317A (en) * | 2010-04-02 | 2010-08-04 | 浙江理工大学 | Hydraulic limited slip differential |
| CN102713358A (en) * | 2009-12-09 | 2012-10-03 | Zf腓德烈斯哈芬股份公司 | Motor vehicle transmission having a controllable differential |
| CN101946097B (en) * | 2008-02-22 | 2013-08-07 | 伯利休斯股份有限公司 | Force transfer system comprising a hydraulic cylinder and a thrust bearing |
| CN106347117A (en) * | 2016-10-31 | 2017-01-25 | 北京新能源汽车股份有限公司 | power drive system |
-
2003
- 2003-10-31 CN CN 200320104546 patent/CN2666718Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946097B (en) * | 2008-02-22 | 2013-08-07 | 伯利休斯股份有限公司 | Force transfer system comprising a hydraulic cylinder and a thrust bearing |
| CN102713358A (en) * | 2009-12-09 | 2012-10-03 | Zf腓德烈斯哈芬股份公司 | Motor vehicle transmission having a controllable differential |
| CN102713358B (en) * | 2009-12-09 | 2015-03-25 | Zf腓德烈斯哈芬股份公司 | Motor vehicle transmission having a controllable differential |
| CN101793317A (en) * | 2010-04-02 | 2010-08-04 | 浙江理工大学 | Hydraulic limited slip differential |
| CN101793317B (en) * | 2010-04-02 | 2012-07-25 | 浙江理工大学 | Hydraulic limited slip differential |
| CN106347117A (en) * | 2016-10-31 | 2017-01-25 | 北京新能源汽车股份有限公司 | power drive system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |