CN201376499Y - Double rear axle commercial vehicle time-sharing driving device - Google Patents
Double rear axle commercial vehicle time-sharing driving device Download PDFInfo
- Publication number
- CN201376499Y CN201376499Y CN200920092938U CN200920092938U CN201376499Y CN 201376499 Y CN201376499 Y CN 201376499Y CN 200920092938 U CN200920092938 U CN 200920092938U CN 200920092938 U CN200920092938 U CN 200920092938U CN 201376499 Y CN201376499 Y CN 201376499Y
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- spline
- jackshaft
- bearing
- cylindrical gear
- shaft
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Abstract
The utility model relates to a double rear axle commercial vehicle time-sharing driving device, belonging to the field of automotive vehicles; the device aims at solving the disadvantages, leads a driver to timely convert driving modes according to traveling specific road conditions, including single axle driving and double-axle driving. The device comprises an intermediate axle output flange, a cylindrical gear shell, a speed reducer shell and a bearing; an intermediate axle input flange is meshed with a spline I of an intermediate axle driving curved tooth spline shaft, a minor-diameter internal spline of a double-diameter spline toothed sleeve is meshed with a spline II of the intermediate axle driving curved tooth spline shaft in a sliding way, a large-diameter internal spline of the double-diameter spline toothed sleeve corresponds to an external spline of an intermediate axle driving cylindrical gear located by a bearing VI and a bearing V; an intermediate axle driven cylindrical gear is meshed with the intermediate axle driving cylindrical gear, a penetrating shaft is located on the cylindrical gear shell by a bearing II. The device can effectively solves the disadvantages of the double rear axle commercial vehicle, and leads a driver to timely convert driving modes according to traveling specific road conditions.
Description
Technical field:
The utility model belongs to automotive field.
Background technology:
The drive system of dual-rear axle commercial automobile all adopts full-time pair of rear-axle drive technical scheme at present, its weak point is: no matter whether road conditions need in running car, two back axles always work under the full-time driving condition of doube bridge, facts have proved that commercial car is when smooth-going road conditions, no matter be fully loaded or zero load, it is to satisfy the car load needs that travel fully that single bridge drives.Although and speed ratio is identical in the full-time driving process of two back axle, the loss of engine power in transmittance process still is on record.
Summary of the invention:
The purpose of this utility model is to solve above-mentioned shortcoming, makes the navigating mate can be according to the concrete road conditions of driving, conversion drive mode in good time, but promptly single bridge drives and doube bridge drives the dual-rear axle commercial automobile timesharing actuating device of changing at any time.
The utility model comprises jackshaft output bead, cylindrical gear shell, reducing gearbox, bearing, jackshaft input bead and jackshaft be the spline I engagement of curved tooth castellated shaft initiatively, jackshaft initiatively curved tooth castellated shaft is located by bearing I, the path female splines of two footpaths spline tooth cover and jackshaft be the spline II sliding engaged of curved tooth castellated shaft initiatively, the big footpath female splines of two footpaths spline tooths cover is connected two directly spline tooths with cylinder I bonded assembly shift fork I and puts with initiatively the male splines of cylindrical wheel is corresponding through the jackshaft of bearing VI and bearing V location; The initiatively cylindrical wheel engagement of jackshaft driven cylindrical gear and jackshaft, the jackshaft driven cylindrical gear is positioned in the jackshaft cylindrical gear shell by bearing I II and bearing I V, and thru shaft is positioned on the cylindrical gear shell by bearing I I.
The utility model interaxle differential passes through bearing I I on cylindrical gear shell, the female splines engagement of the preceding bevel gear in spline IV on the thru shaft and the interaxle differential fore shell, the female splines of the back bevel gear in behind interaxle differential back cover female splines, interaxle differential front end male splines common and the jackshaft driven cylindrical gear meshes, the spline III of thru shaft and pair path female splines sliding engaged of footpath spline tooths cover, cylinder I I shift fork II overlap with two footpaths spline tooth and are connected.
Be installed with back axle hub spindle end cap on the utility model back axle wheel hub, female splines on the back axle hub spindle end cap is corresponding with the male splines of rear axle shaft end, the location bearing shell is installed on the back axle cannula cavity, fork slot is arranged on rear axle shaft, shift fork III one end is connected with cylinder I II, and the other end places in the fork slot.
The utility model actv. has solved the drawback of dual-rear axle commercial automobile, make navigating mate can according to the driving concrete road conditions, in good time conversion drive mode, be that single bridge drives saving oil consumption and parts wear, the doube bridge that has kept car load again drives function and through performance, just promptly can adopt single bridge to drive, can adopt doube bridge to drive again.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation that the utility model has installed interaxle differential additional;
Fig. 3 is the structural representation at sedan-chair wheel hub and rear axle shaft position behind the utility model.
The specific embodiment:
The utility model comprises jackshaft output bead 1, cylindrical gear shell 11, reducing gearbox 7, bearing, and its first kind of scheme is:
Jackshaft input bead 1 and the initiatively spline I8 engagement of curved tooth castellated shaft 2 of jackshaft, jackshaft initiatively curved tooth castellated shaft 2 is located by bearing I 9, the path female splines of two footpaths spline tooth cover 3 and jackshaft be the spline II16 sliding engaged of curved tooth castellated shaft 2 initiatively, the big footpath female splines of two footpaths spline tooths cover 3 is connected two footpaths spline tooths with cylinder I 4 bonded assembly shift fork I5 and overlaps on 3 with initiatively the male splines of cylindrical wheel 6 is corresponding through the jackshaft of bearing VI18 and bearing V17 location; Jackshaft driven cylindrical gear 14 and initiatively cylindrical wheel 6 engagements of jackshaft, jackshaft driven cylindrical gear 14 is positioned in the jackshaft cylindrical gear shell 11 by bearing I II13 and bearing I V15, and thru shaft 12 is positioned on the cylindrical gear shell 11 by bearing I I10.
The second kind scheme of the utility model on the basis of such scheme is:
Be installed with back axle hub spindle end cap 28 on the utility model back axle wheel hub 33, female splines on the back axle hub spindle end cap 28 is corresponding with the male splines of rear axle shaft 29 ends, location bearing shell 30 is installed on the back axle cannula cavity, fork slot 31 is arranged on rear axle shaft 29, shift fork III32 one end is connected with cylinder I II27, and the other end places in the fork slot 31.
Concrete working process of the present utility model is:
First kind of scheme is:
Back moment of torsion from driving engine reaches the jackshaft active curved tooth castellated shaft that is meshed with jackshaft input bead through transmission shaft, and coupled jackshaft active gear with curved teeth for one is meshed with the driven gear with curved teeth of jackshaft, drives the jackshaft semiaxis by the jackshaft inter-wheel differential.Two footpaths spline tooths cover and jackshaft be the spline sliding engaged of curved tooth castellated shaft initiatively, and the dragging of the shift fork that drives at cylinder is engageable separable with the front end spline through the jackshaft active cylindrical wheel of bearing location down.The jackshaft driven cylindrical gear is located through bearing, with initiatively cylindrical wheel engagement of jackshaft.
Second kind of scheme is:
Moment of torsion from driving engine is imported flange connection through change speed gear box, transmission shaft and jackshaft, and with jackshaft active curved tooth castellated shaft and jackshaft input bead spline engagement, the jackshaft initiatively jackshaft active gear with curved teeth and the driven gear with curved teeth of jackshaft of curved tooth castellated shaft one meshes.Moment of torsion passes to the jackshaft semiaxis by the jackshaft inter-wheel differential that connects together with the driven gear with curved teeth of jackshaft and drives jackshaft.The big footpath female splines of two footpaths spline tooths cover with through the jackshaft of the bearing location front end male splines sliding engaged of cylindrical wheel initiatively.Jackshaft is cylindrical wheel and the engagement of jackshaft driven cylindrical gear initiatively.Jackshaft initiatively curved tooth castellated shaft is located through bearing, path female splines and its sliding engaged of two footpaths spline tooth cover.Interaxle differential is located through bearings, the female splines engagement of the preceding bevel gear in the spline of thru shaft and the between centers reducing gearbox, the female splines of the back bevel gear in the female splines of interaxle differential back cover and interaxle differential front end male splines common and the jackshaft driven cylindrical gear meshes.The spline of thru shaft and pair path female splines sliding engaged of footpath spline tooths cover.The rear end male splines that drags two footpaths spline tooths cover and jackshaft driven cylindrical gear at the driving lower shift fork of cylinder can mesh, and also can separate.Output bead female splines engagement behind the spline of thru shaft and the jackshaft.Be connected with back axle input bead through the short pass moving axis.
Back axle is curved tooth castellated shaft and the engagement of back axle input bead female splines initiatively, back axle is gear with curved teeth and the driven gear with curved teeth engagement of back axle initiatively, the back axle inter-wheel differential is connected with the driven gear with curved teeth of back axle, the bevel gear female splines engagement in the inner spline of rear axle shaft and the back axle inter-wheel differential.The rear axle shaft middle part is provided with groove, is dragged by cylinder and can realize with the female splines of back axle hub spindle end cap separable engageable along the location bearing shell sway of rear-axle tube inner chamber with the shift fork driving rear axle semiaxis of fork slot bearing fit.The back axle wheel hub is connected with back axle hub spindle end cap.
Claims (3)
1, but a kind of dual-rear axle commercial automobile timesharing actuating device, comprise jackshaft output bead (1), cylindrical gear shell (11), reducing gearbox (7), bearing, it is characterized in that: jackshaft input bead (1) and initiatively spline I (8) engagement of curved tooth castellated shaft (2) of jackshaft, jackshaft initiatively curved tooth castellated shaft (2) is located by bearing I (9), the path female splines of two footpath spline tooth covers (3) and jackshaft be spline II (16) sliding engaged of curved tooth castellated shaft (2) initiatively, the big footpath female splines of two footpath spline tooth covers (3) is connected on two footpath spline tooth covers (3) with cylinder I (4) bonded assembly shift fork I (5) with initiatively the male splines of cylindrical wheel (6) is corresponding through the jackshaft of bearing VI (18) and bearing V (17) location; Jackshaft driven cylindrical gear (14) and initiatively cylindrical wheel (6) engagement of jackshaft, jackshaft driven cylindrical gear (14) is positioned in the jackshaft cylindrical gear shell (11) by bearing I II (13) and bearing I V (15), and thru shaft (12) is positioned on the cylindrical gear shell (11) by bearing I I (10).
2, but dual-rear axle commercial automobile timesharing actuating device according to claim 1, it is characterized in that: interaxle differential (21) passes through bearing I I (10) on cylindrical gear shell (11), the female splines engagement of the preceding bevel gear (22) in spline IV (20) on the thru shaft (12) and interaxle differential (21) fore shell, interaxle differential (21) back cover female splines, the female splines of the back bevel gear (23) in interaxle differential (21) back front end male splines common and jackshaft driven cylindrical gear (14) meshes, the spline III (19) of thru shaft (12) and two directly path female splines sliding engaged of spline tooth covers (24), cylinder I I (26) shift fork II (25) is connected with two footpath spline tooth covers (24).
But 3, dual-rear axle commercial automobile timesharing actuating device according to claim 1 and 2, it is characterized in that: be installed with back axle hub spindle end cap (28) on the back axle wheel hub (33), female splines on the back axle hub spindle end cap (28) is corresponding with the male splines of rear axle shaft (29) end, location bearing shell (30) is installed on the back axle cannula cavity, fork slot (31) is arranged on rear axle shaft (29), shift fork III (32) one ends are connected with cylinder I II (27), and the other end places in the fork slot (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920092938U CN201376499Y (en) | 2009-01-23 | 2009-01-23 | Double rear axle commercial vehicle time-sharing driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920092938U CN201376499Y (en) | 2009-01-23 | 2009-01-23 | Double rear axle commercial vehicle time-sharing driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201376499Y true CN201376499Y (en) | 2010-01-06 |
Family
ID=41516597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920092938U Expired - Fee Related CN201376499Y (en) | 2009-01-23 | 2009-01-23 | Double rear axle commercial vehicle time-sharing driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201376499Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343812A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343814A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN109017291A (en) * | 2018-07-27 | 2018-12-18 | 汽解放汽车有限公司 | A kind of penetrating bridge main speed reducer assembly |
-
2009
- 2009-01-23 CN CN200920092938U patent/CN201376499Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343812A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343814A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343812B (en) * | 2010-07-26 | 2014-02-12 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343814B (en) * | 2010-07-26 | 2014-06-18 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN109017291A (en) * | 2018-07-27 | 2018-12-18 | 汽解放汽车有限公司 | A kind of penetrating bridge main speed reducer assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100106 Termination date: 20140123 |