CN1273321C - Front feedthrough shaft differential transmission - Google Patents
Front feedthrough shaft differential transmission Download PDFInfo
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- CN1273321C CN1273321C CN 03136953 CN03136953A CN1273321C CN 1273321 C CN1273321 C CN 1273321C CN 03136953 CN03136953 CN 03136953 CN 03136953 A CN03136953 A CN 03136953A CN 1273321 C CN1273321 C CN 1273321C
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- gear
- shaft
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- wheel
- bearing
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Abstract
The present invention relates to a front through shaft differential transmission device which comprises a differential mechanism and a power distributor, wherein a power input shaft is fixedly connected with a shaft hole at the front end of a casing of the differential mechanism; both ends of the casing of the differential mechanism are supported on a box body by two bearings; a planet gear shaft is arranged on a small shaft hole of the casing of the differential mechanism; a planet gear is arranged on the planet gear shaft and is engaged with a left axle shaft gear and a right axle shaft gear which are tapered; the back of the planet gear is provided with a minor axis; the external surface of the minor axis is glidingly connected with shaft holes at the front end and the rear end of the casing of the differential mechanism; the inner end of a through transmission shaft is fixedly connected with the inner hole of the left axle shaft gear, and the outer end of the through transmission shaft is supported on the box body by a bearing and is fixedly connected with drive gears of wheels at one side; the right axle shaft gear is fixedly connected with drive gears of wheels at the other side. The present invention adopts one differential mechanism to realize the driving of four wheels of a four, prevent the wheels from skidding and further enhance the carrying capacity of the vehicle.
Description
Technical field
The present invention relates to a kind of vehicle transmission gear, be meant a kind of four wheel drive diff especially.
Background technology
At present, most of 4Wdvehicle is installed two difies and is realized the cruising of vehicle at bend, but when travelling on abominable road surface such as ice and snow, mire, marsh, another wheel of wheel slip just loses propulsive effort, as respectively having one to trackslip, vehicle just can't travel during front and back drove.
Summary of the invention
The object of the present invention is to provide a kind of preposition punching axle differential driver, it adopts a diff to realize the driving of four wheels of vehicle, prevents tyre skidding, further strengthens the carrying capacity of vehicle, it is simple in structure, reliable, can simplify the structure of whole vehicle.
The object of the present invention is achieved like this:
A kind of preposition punching axle differential driver, it comprises diff and power distribution device, described diff comprises: power input shaft, differential casing, the punching transmission shaft, left half axle gear, planetary wheel, the right axle shaft gear, power output gear, compensating-gear shaft, casing, the differential casing middle part is a spherical shell, be provided with front end axis hole and terminal axis hole, be provided with 2 to 4 little axis holes perpendicular to the diaxon axially bored line, power input shaft is captiveed joint with the front end axis hole of differential casing, the differential casing two ends are bearing on the casing by two bearings, compensating-gear shaft is installed on the little axis hole of differential casing, planetary wheel is installed on the compensating-gear shaft, with a left side, the right axle shaft gear mesh, a left side, the right axle shaft gear is taper, the gear back side is provided with minor axis, before minor axis outside face and the differential casing, terminal axis hole sliding block joint, the punching transmission shaft is inner captives joint with the left half axle gear endoporus, pass the right axle shaft gear, its outer end is bearing on the casing by bearing, captive joint with the driven wheel of single wheel, the right axle shaft gear is captiveed joint with the driven wheel of opposite side wheel;
Described power distribution device comprises: first gear, second gear, first gear wheel shaft, second gear wheel shaft, first flange, second flange, form two cover power distribution devices, second gear wheel shaft is captiveed joint with second gear, second gear and power output gear are in the constant-mesh state, second gear wheel shaft is bearing on the casing by two bearings, second flange that front end is captiveed joint with second gear wheel shaft, be connected with a side front vehicle wheel by driving device, the second gear wheel shaft rear end then is connected with the same side rear wheel by driving device more again; First gear wheel shaft is captiveed joint with first gear, first gear and power output gear are in the constant-mesh state, first gear wheel shaft is bearing on the casing by two bearings, first flange that front end is captiveed joint with first gear wheel shaft, be connected with the opposite side front vehicle wheel by driving device, the first gear wheel shaft rear end is connected with the same side rear wheel by driving device; Described left and right half gear minor axis outside face is that bearing fit or bearing are connected with preceding, the terminal axis hole sliding block joint mode of differential casing; Describedly be fixedly connected as key, gear, pin, profile or swelling connects;
Casing comprises that the cross section that connects together is the big casing and the small box of rectangle, be structure as a whole, big in the middle of the casing, public of small box is a dividing plate, promptly reinforce casing and be used for backup bearing again, the power distribution device is installed in the big casing, diff is installed in small box and the big casing, greatly, small box outer wall and dividing plate are provided with three bearing seats respectively along the punching drive shaft axis, the punching transmission shaft is installed, big two outer walls of casing outshot are provided with two groups of bearing seats abreast respectively, radially stagger with respect to the punching drive shaft axis, two gear wheel shafts of power distribution device are installed respectively.
Be provided with plain bearing between described right axle shaft gear outer inner and punching transmission shaft.Described 2 to 4 compensating-gear shafts are formed one, are installed on 2 to 4 little axis holes of differential casing, are provided with circular hole in the middle of it, and the punching transmission shaft therefrom passes.
The present invention has following advantage and good effect:
The power of vehicle homonymy wheel comes from the same axle side gear of diff, and therefore, this structure has realized the homonymy interlock, and differential still can be arranged between the wheel of both sides, can differential again can be anti-skidding, do not influence the turning of vehicle, wheel can not trackslip yet.Satisfied the requirement of travelling of vehicle to greatest extent, this device is a kind of more satisfactory device that is suitable for system of vehicle transmission.
Situation when being furnished with this arrangement vehicle and under abominable road conditions, travelling: during as a tyre skidding according to this structural analysis, therefore the power of other three-wheels do not lost, still can drive to advance: when two tyre skiddings lose adhesive ability, do not influence two other wheel, can drive equally to advance.Another characteristics are: slip wheel can not fly to change, and is exactly because the effect of this diff.
The present invention can improve engine power and degree of utilization greatly, improves vehicle and travels and carrying capacity under abominable road conditions.
Description of drawings
Fig. 1 is the cutaway view of the embodiment of the invention 1;
Fig. 2 is the left view of the embodiment of the invention 1;
Fig. 3 is the cutaway view of the embodiment of the invention 2;
Fig. 4 is the cutaway view of the embodiment of the invention 3.
The specific embodiment
Describe the present invention in detail below in conjunction with drawings and Examples.
As shown in the figure: this device is made up of diff and two cover power distribution devices, and diff comprises, power input shaft 1, planetary wheel 5 and power output gear 7,8, and layout can reduce radial dimension like this.Power input shaft 1 links to each other with differential casing 2 by the spline of its axle head.Differential casing 2 is bearing on two bearings, left half axle gear 4 links to each other with the power output gear 8 of single wheel by the punching transmission shaft 3 of wounded in the battle key, punching transmission shaft 3 is bearing on left half axle gear 6 and the bearing, as shown in Figure 1: punching transmission shaft 3 left ends also can be bearing on the left half axle gear 4 by bearing, as shown in Figure 4: or the cancellation bearing, directly support by spline; Punching transmission shaft 3 left ends also can be bearing on the differential casing 2, as shown in Figure 3 by bearing.First gear wheel shaft 13 links to each other with second gear 12 by spline, second gear 12 is in the constant-mesh state with power output gear 8, first gear wheel shaft 13 is bearing on two bearings, and front end is equipped with second flange 14 that is linked to each other by spline, can be by driving device with power steering one side front-wheel; The rear end then links to each other with the homonymy trailing wheel by driving device.Right axle shaft gear 6 is bearing on the differential casing 2, directly link to each other by spline with the power output gear 7 of opposite side wheel, second gear wheel shaft 10 links to each other with first gear 9 by spline, first gear 9 and power output gear 7 constant-meshes, second gear wheel shaft 10 is bearing on two bearings, front end is equipped with first flange 11 that spline links to each other, and can power be passed to the opposite side front-wheel by driving device equally, and the rear end links to each other with the homonymy trailing wheel by driving device.
By the spline of its axle head power is passed to differential casing 2 by power input shaft 1, drive planetary wheel 5 rotations; Left half axle gear 4 in the diff drives power output gear 8 rotations by punching transmission axle 3, second gear 12 that is engaged with is and then rotation also, first gear wheel shaft 13 rotates thereupon, drive a trailing wheel by driving device backward and rotate, drive a front-wheel rotation of homonymy forward by second flange 14 and related device.Right axle shaft gear 6 in the diff drives power output gear 7 rotations, first gear 9 that is engaged with is and then rotation also, second gear wheel shaft 10 rotates thereupon, driving a trailing wheel by driving device backward rotates, drive a front-wheel rotation of homonymy forward by first flange 11 and related device, realize the purpose of powered vehicle.
Claims (3)
1. preposition punching axle differential driver, it comprises diff and power distribution device, described diff comprises: power input shaft (1), differential casing (2), punching transmission shaft (3), left half axle gear (4), planetary wheel (5), right axle shaft gear (6), power output gear (7,8), compensating-gear shaft (15), casing (16) is characterized in that:
Differential casing (2) middle part is a spherical shell, be provided with front end axis hole and terminal axis hole, be provided with 2 to 4 little axis holes perpendicular to the diaxon axially bored line, power input shaft (1) is captiveed joint with the front end axis hole of differential casing (2), differential casing (2) two ends are bearing on the casing (16) by two bearings, compensating-gear shaft (15) is installed on the little axis hole of differential casing (2), compensating-gear shaft (15) is gone up planetary wheel (5) is installed, with a left side, right axle shaft gear (4), (6) engagement, a left side, right axle shaft gear (4), (6) be taper, the gear back side is provided with minor axis, before minor axis outside face and the differential casing (2), terminal axis hole sliding block joint, punching transmission shaft (3) is inner captives joint with the left half axle gear endoporus, pass right axle shaft gear (6), its outer end is bearing on the casing (16) by bearing, captives joint with the power output gear (8) of single wheel, and right axle shaft gear (6) is captiveed joint with the power output gear (7) of opposite side wheel;
Described power distribution device comprises: first gear (9), second gear (12), first gear wheel shaft (10), second gear wheel shaft (13), first flange (11), second flange (14), form two cover power distribution devices, second gear wheel shaft (13) is captiveed joint with second gear (12), second gear (12) is in the constant-mesh state with power output gear (8), second gear wheel shaft (13) is bearing on the casing (16) by two bearings, second flange (14) that front end is captiveed joint with second gear wheel shaft (13), be connected with a side front vehicle wheel by driving device, second gear wheel shaft (13) rear end then is connected with the same side rear wheel by driving device more again; First gear wheel shaft (10) is captiveed joint with first gear (9), first gear (9) is in the constant-mesh state with power output gear (7), first gear wheel shaft (10) is bearing on the casing (16) by two bearings, first flange (11) that front end is captiveed joint with first gear wheel shaft (10), be connected with the opposite side front vehicle wheel by driving device, first gear wheel shaft (10) rear end is connected with the same side rear wheel by driving device; Described left and right half gear (4), (6) minor axis outside face are that bearing fit or bearing are connected with preceding, the terminal axis hole sliding block joint mode of differential casing (2); Describedly be fixedly connected as key, gear, pin, profile or swelling connects;
Casing (16) comprises that the cross section that connects together is the big casing and the small box of rectangle, be structure as a whole, big in the middle of the casing (16), public of small box is a dividing plate, not only reinforce casing (16) but also be used for backup bearing, the power distribution device is installed in the big casing, diff is installed in small box and the big casing, greatly, small box outer wall and dividing plate are provided with three bearing seats respectively along the punching drive shaft axis, the punching transmission shaft is installed, big two outer walls of casing outshot are provided with two groups of bearing seats abreast respectively, radially stagger with respect to the punching drive shaft axis, two gear wheel shafts of power distribution device are installed respectively.
2. preposition punching axle differential driver according to claim 1 is characterized in that: be provided with plain bearing between described right axle shaft gear (6) outer inner and punching transmission shaft (3).
3. preposition punching axle differential driver according to claim 1, it is characterized in that: described 2 to 4 compensating-gear shafts (15) are formed one, be installed on 2 to 4 little axis holes of differential casing (2), be provided with circular hole in the middle of it, punching transmission shaft (3) therefrom passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03136953 CN1273321C (en) | 2003-05-23 | 2003-05-23 | Front feedthrough shaft differential transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03136953 CN1273321C (en) | 2003-05-23 | 2003-05-23 | Front feedthrough shaft differential transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1490189A CN1490189A (en) | 2004-04-21 |
| CN1273321C true CN1273321C (en) | 2006-09-06 |
Family
ID=34154771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03136953 Expired - Fee Related CN1273321C (en) | 2003-05-23 | 2003-05-23 | Front feedthrough shaft differential transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1273321C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465476C (en) * | 2007-04-23 | 2009-03-04 | 张春 | Main gear down device |
| US8100805B2 (en) * | 2009-05-20 | 2012-01-24 | Eaton Corporation | Electronically controlled locking differential having logic-control wire harness |
-
2003
- 2003-05-23 CN CN 03136953 patent/CN1273321C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1490189A (en) | 2004-04-21 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20100523 |