CN2733110Y - Torsional moment dynamic balance differential - Google Patents
Torsional moment dynamic balance differential Download PDFInfo
- Publication number
- CN2733110Y CN2733110Y CNU2004200613784U CN200420061378U CN2733110Y CN 2733110 Y CN2733110 Y CN 2733110Y CN U2004200613784 U CNU2004200613784 U CN U2004200613784U CN 200420061378 U CN200420061378 U CN 200420061378U CN 2733110 Y CN2733110 Y CN 2733110Y
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- gear
- wheel
- differential mechanism
- differential
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Abstract
The utility model discloses a torsional moment dynamic balance differential, which belongs to the automobile parts. The utility model aims at providing a differential with simple structure, reliable performance and long service life which can automatically transmit the torque of one slipped wheel to the wheel at the other side for eliminating the slipped phenomenon of the wheel, comprising a differential. The left and right half shafts (24) and (4) of the wheels of the main differential (25) drive the left and right half shafts (22) and (6) of the auxiliary differential (21) to rotate respectively through transmission countershafts with the same transmission ratio. A gear (20) fixed on the auxiliary differential (21) drives the plunger (17) of a hydraulic damping device to move through a gear (18), a crank (26) driven by the gear (18), and connecting rods (19) respectively arranged at both ends of the crank (26). The utility model comprises two injection pumps which are connected in parallel and have the same structure and a damping oil cylinder connected with the injection pumps. The torsional moment dynamic balance differential is suitable for matching with various vehicles, in particular to the cross-country vehicle and the agricultural vehicle.
Description
Technical field: the utility model relates to a kind of auto parts and components, relates in particular to a kind of moment of torsion transient equiliblium differential mechanism that has damping device.
Background technique: at present, the kind of differential mechanism has a lot, and relatively more commonly used has: high resistant slide block type, castellated, the common bevel planet gear formula of single face and unsteady friction plate locking etc.; Undesirable this major defect of these differential mechanism ubiquity skidproof effects.Especially be obstructed at single wheel, under the situation of opposite side wheel-slip, vehicle gets into a difficult position and can not advance, thereby has influenced the mobility and the cross-country ability of automobile.Chinese patent authorization number be to disclose a kind of differential mechanism in " October 10 nineteen ninety ", the patent of invention document that is called " automatic antiskid differential of automobile and wheeled tractor " for " CN1009944B ", the day for announcing, because this differential mechanism utilizes friction plate and spring to realize locking, so working life is short, reliability is relatively poor.
Summary of the invention: in order to overcome the deficiencies in the prior art, the utility model aims to provide a kind of simple in structure, reliable performance, long service life, thereby the moment of torsion of slip wheel can be passed to automatically the differential mechanism that the opposite side wheel realizes preventing the wheel-slip purpose.
The technical solution of the utility model comprises differential mechanism; The wheel left and right half of main differential mechanism drives the left and right half rotation of secondary differential mechanism respectively by the identical transmission of velocity ratio; Be fixed on gear by being engaged with of gear on the secondary differential mechanism, drive the plunger motion of hydraulic damping device by the crank of gear driven and the connecting rod that is installed in the crank two ends respectively; Syringe pump that described hydraulic damping device is connected in parallel by two and structure is identical and the damping oil cylinder that is connected with this syringe pump are formed.
Described syringe pump is made of the pump housing and the plunger that are respectively equipped with one-way valve into and out of oil port; Described damping oil cylinder is made up of cylinder body, the piston and the spring that are installed in this cylinder body, and cylinder body is provided with oil duct and pressure relief vent; Described transmission be fixed on the wheel left half axle gear by idle wheel be fixed on the gear pair of the gear engagement on the left half axle and be separately fixed at pitch wheel pair on wheel right axle shaft and the right axle shaft.
Compared with the prior art, the utility model is owing to increased an identical secondary differential mechanism of structure and a cover hydraulic locking apparatus on the basis of traditional bevel planet gear differential mechanism, therefore the knob square of slip wheel can be passed to the opposite side wheel, thereby strengthened the tractive force of vehicle, overcome the wheel-slip phenomenon; Because traditional friction clutch Locking Device is improved to the hydraulic damping device, thereby improved product reliability, prolonged working life.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
Among the figure: transmission shaft 1 driving wheel 2 gears 3,5,18,20,23,27 wheel right axle shafts 4 right axle shafts 6 oil ducts 7,11 cylinder bodies 8 pistons 9 pressure relief vents 10 oil pipes 12 oil inlet pipes 13 one-way valves 14,15 pump housings 16 plungers 17 connecting rods 19 secondary differential mechanism 21 left half axles 22 wheel left half axles 24 main differential mechanism 25 cranks 26
Embodiment: the utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
As shown in the figure, main differential mechanism 25 drives secondary differential mechanism 21 by one group of gear pair being made up of gear 23,27 and idle wheel and by another group gear pair that gear 3,5 is formed; Gear 23,3 is separately fixed on wheel left and right half 24 and 4, and gear 27,5 is separately fixed on left and right half 22 and 6; The velocity ratio of above-mentioned two groups of gear pairs is identical.Described major and minor differential mechanism 25 and 21 is the identical open differential of structure.The connecting rod 19 that be fixed on gear 18 by being engaged with of gear 20 on the secondary differential mechanism 21, be fixed on crank 26 on the gear 18, is installed in these crank two ends drives plunger 17 motions of hydraulic damping devices; This device is made up of two identical syringe pump and damping oil cylinders of structure.The described syringe pump pump housing 16 be respectively equipped with one-way valve 14 and 15 into and out of oil port, the filler opening of above-mentioned two syringe pumps is communicated with the cylinder body 8 of described damping oil cylinder by oil pipe 12 by oil inlet pipe 13 parallel connections, oil outlet, this cylinder body is provided with turnover oilhole, oil duct 7 and 11 and pressure relief vent 10, and piston 9 and spring are housed in the cylinder body 8.
When normal vehicle operation, transmission shaft 1 rotates by the housing that is fixed on the main differential mechanism 25 of driving wheel 2 drives on the main differential mechanism 25; Because the revolution of the planetary pinion of main differential mechanism 25, moment of torsion is passed to the gear 3 that is fixed on the wheel right axle shaft 4 respectively, is fixed on the gear 23 on the wheel left half axle 24; Gear 3 drives these axles and makes backward rotation by being fixed on gear 5 on the right axle shaft 6, gear 23 by idle wheel, be fixed on the left half axle 22 gear 27 drives this rotate in the same way.At this moment, the planetary pinion of secondary differential mechanism 21 only do from then do not make revolution motion, offset the moment of torsion that left and right half 22 and 6 produces because of switched in opposite with this; Therefore, be fixed on that gear 20 on the secondary differential mechanism 21 does not rotate, the hydraulic damping device is not worked.
When wheel right axle shaft 4 transfixions, wheel left half axle 24 rotate, that is be obstructed in the right side of vehicle, when skid in the left side, the planetary pinion of main differential mechanism 25 is not only made spinning motion but also make revolution motion, offset the asynchronous and moment of torsion that produces of rotating speed between the two-semiaxle with this, and drive left half axles 22 by gear 23, idle wheel, gear 27 and rotate; Because wheel right axle shaft 4 is obstructed, gear 3,5 and right axle shaft 6 all do not rotate.Under the effect of torsion, the planetary pinion that left half axle 22 drives secondary differential mechanism 21 is made rotation and revolution motion simultaneously, thereby driven gear 20 rotates.The gear 18 of gear 20 by being engaged with, be fixed on this crank of taking turns 26, the connecting rod 19 that is installed on this handle drives plungers 17 moving linearlies, hydraulic oil sucked the pump housings 16 by one-way valve 14 and in one-way valve 15, oil pipe 12 are pressed into the cylinder body 8 of damping oil cylinder.When oil pressure reaches when being enough to overcome spring force, piston 9 moves upward and closes oil duct 7, and fluid can only be discharged by pressure relief vent 10; Because pressure relief vent 10 is a Small Holes, along with the increase that is pressed into oil mass, oil pressure constantly raises, and pressure reacts on gear 20 by plunger 17, connecting rod 19, crank 26 and gear 18, this load of taking turns is strengthened gradually so that can not be rotated by locking.At this moment, the revolution of the planetary pinion of secondary differential mechanism 21 stops, and can only moment of torsion be passed to right axle shaft 6 by rotation, thereby promote right wheel movement.After wheel-slip was eliminated, because that main differential mechanism 25 does not produce speed is poor, gear 20 did not rotate, and injects air pump inoperative, the interior pressure oil of cylinder body 8 by pressure relief vent 10 discharge gradually, pressure reduces gradually; Simultaneously, piston moves downward under the effect of spring force oil duct 7 is opened, the locking releasing of gear 20, free to rotate again.Otherwise, when the left side of vehicle be obstructed, when skidding appears in the right side, working principle is same as above.
When normal vehicle operation produced normal speed difference, syringe pump pumped into a spot of fluid in the cylinder body 8, because the underpressure of this moment to be to overcome spring pressure, piston 9 is failure to actuate; Fluid is discharged by oil duct 11,7, oil outlet and pressure relief vent 10.
Claims (3)
1. a moment of torsion transient equiliblium differential mechanism comprises differential mechanism; It is characterized in that: rotate by left and right half (22) and (6) that the identical transmission of velocity ratio drives secondary differential mechanism (21) respectively the wheel left and right half (24) of main differential mechanism (25) and (4); Crank (26) that is fixed on gear (18) by being engaged with of gear (20) on the secondary differential mechanism (21), is driven by gear (18) and the connecting rod (19) that is installed in crank (26) two ends respectively drive plunger (17) motion of hydraulic damping device; Syringe pump that described hydraulic damping device is connected in parallel by two and structure is identical and the damping oil cylinder that is connected with this syringe pump are formed.
2. moment of torsion transient equiliblium differential mechanism according to claim 1 is characterized in that: described syringe pump is made of the pump housing (16) that is respectively equipped with one-way valve (14), (15) into and out of oil port and plunger (17); Described damping oil cylinder is made up of cylinder body (8), the piston (9) and the spring that are installed in this cylinder body, and cylinder body (8) is provided with oil duct (7), (11) and pressure relief vent (10).
3. moment of torsion transient equiliblium differential mechanism according to claim 1 and 2 is characterized in that: described transmission be fixed on gear (23) on the wheel left half axle (24) by idle wheel with to be fixed on gear (27) meshed gears on the left half axle (22) secondary and be separately fixed at pitch wheel pair (3), (5) on wheel right axle shaft (4) and the right axle shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200613784U CN2733110Y (en) | 2004-09-18 | 2004-09-18 | Torsional moment dynamic balance differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200613784U CN2733110Y (en) | 2004-09-18 | 2004-09-18 | Torsional moment dynamic balance differential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733110Y true CN2733110Y (en) | 2005-10-12 |
Family
ID=35068951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200613784U Expired - Fee Related CN2733110Y (en) | 2004-09-18 | 2004-09-18 | Torsional moment dynamic balance differential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733110Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042015A (en) * | 2015-05-09 | 2015-11-11 | 陈学福 | Hydraulic drive direct-friction lock differential mechanism |
| CN111043193A (en) * | 2019-11-22 | 2020-04-21 | 陈藕生 | Stepless speed change method for brake control differential mechanism and non-friction brake thereof |
| CN111043273A (en) * | 2019-11-19 | 2020-04-21 | 潍柴动力股份有限公司 | Differential mechanism, control method thereof and vehicle with differential mechanism |
-
2004
- 2004-09-18 CN CNU2004200613784U patent/CN2733110Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042015A (en) * | 2015-05-09 | 2015-11-11 | 陈学福 | Hydraulic drive direct-friction lock differential mechanism |
| CN111043273A (en) * | 2019-11-19 | 2020-04-21 | 潍柴动力股份有限公司 | Differential mechanism, control method thereof and vehicle with differential mechanism |
| CN111043193A (en) * | 2019-11-22 | 2020-04-21 | 陈藕生 | Stepless speed change method for brake control differential mechanism and non-friction brake thereof |
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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 |