CN101214791A - Minicar front drive shaft assembly - Google Patents
Minicar front drive shaft assembly Download PDFInfo
- Publication number
- CN101214791A CN101214791A CNA200710093242XA CN200710093242A CN101214791A CN 101214791 A CN101214791 A CN 101214791A CN A200710093242X A CNA200710093242X A CN A200710093242XA CN 200710093242 A CN200710093242 A CN 200710093242A CN 101214791 A CN101214791 A CN 101214791A
- Authority
- CN
- China
- Prior art keywords
- shaft
- drive shaft
- propeller shaft
- spline housing
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Motor Power Transmission Devices (AREA)
Abstract
The invention relates to a front drive shaft assembly of a minicar. The front end at the front section of a first front drive shaft is connected with the input flange disc of a front speed reducer through a first universal joint. The back end at the back section of the first front drive shaft is connected with a back section second spline sleeve through a second universal joint. The second spline sleeve is sheathed on the front end of a second drive shaft with the splines of the second spline sleeve and the second drive shaft connection. The axial line of the second front drive shaft and the axial line at the front section of the first front drive shaft form an included angle (a) of 11-13 degrees. The front part of the second front drive shaft is supported by a bracket fixed on the left suspension of an engine. The back end of the second front drive shaft is connected with the output shaft spline of a transfer case. The invention can combine the transfer case and the front speed reducer, can transfer the motive power of the engine to a front axle under the precondition that the structures of the engine and a gear box are not changed, making the minicar can select the driving form with the participation of only rear wheels or the driving form with the participation of both front and rear wheels according to the road conditions. As a result, the invention enhances the driving force of the minicar and greatly improves the traffic ability of the minicar.
Description
Technical field
The present invention relates to a kind of mid-get car driving device, relate in particular to minicar front drive shaft assembly.
Background technology
At present, what mid-get car generally adopted is the back-wheel drive mode, and promptly the power of driving engine is delivered to change speed gear box earlier, and the output shaft by change speed gear box passes to back axle by rear propeller shaft again, rotates to drive trailing wheel, and car load travels forward or backward.The mid-get car that has only two back-wheel drives by the lower road surface of adhesive ability coefficient the time, can not provide enough big surface driving power; During particularly by muddy or frost boiling section, drive wheel is absorbed in mire easily or skids and can't drive, thereby has influenced the crossing ability of automobile, brings great inconvenience for people's trip.
For the propulsive effort that strengthens mid-get car and improve its crossing ability, the afterbody that the auto vendor that has is conceiving at engine mission increases auxiliary gear box, by the transfer power of driving engine of auxiliary gear box, pass to propons by front propeller shaft again, make mid-get car select to have only the drive form of trailing wheel participation or the drive form that front and back wheel participates in simultaneously according to road conditions.But,, then can be subjected to the influence of parts such as driving engine, change speed gear box and can't install if front propeller shaft adopts the bearing structure identical with rear propeller shaft; If adapt to the installation of bearing formula front propeller shaft, have again that structural modification is big, a complicated operation, the high deficiency of cost by the structure of improving parts such as motivation, change speed gear box.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of minicar front drive shaft assembly, in order to combine with auxiliary gear box and front reduction gear, under the prerequisite that does not change driving engine, gearbox designs, can give propons with the transmission of power of driving engine.
Technical scheme of the present invention is as follows: comprise front reduction gear, auxiliary gear box, driving engine left side suspension and front propeller shaft, front propeller shaft is between front reduction gear and auxiliary gear box, its key is: described front propeller shaft has two, wherein first front propeller shaft is divided into two sections, the front end of this first front propeller shaft leading portion is connected with the input flange dish of front reduction gear by first universal-joint, the rear end of the first front propeller shaft leading portion is connected with back segment second spline housing by second universal-joint, described second spline housing is sleeved on the front end of second front propeller shaft, both splines connect, and the axis of the axis of second front propeller shaft and the first front propeller shaft leading portion forms 11 °～13 ° angle a; The front portion of described second front propeller shaft is by the stent support that is fixed on the suspension of a driving engine left side, and the rear end of this second front propeller shaft is connected with the output shaft spline of auxiliary gear box.
Adopt above technical scheme, auxiliary gear box is installed in the afterbody of change speed gear box, have input gear, output gear, output shaft and synchro in the auxiliary gear box, the gear mesh on auxiliary gear box input gear and the output shaft of gear-box wherein, auxiliary gear box input gear, output gear can rotate with the gear on the output shaft of gear-box.Synchro has joint and separates two states, when synchro separates, and the idle running of auxiliary gear box output gear; When synchro engages, the auxiliary gear box output gear drives the rotation of auxiliary gear box output shaft by synchro, the auxiliary gear box output shaft is successively by second front propeller shaft, first front propeller shaft and front reduction gear, give propons with the transmission of power of driving engine, make front-wheel that propulsive effort also be arranged under the situation of needs, mid-get car can select to have only the drive form of trailing wheel participation or the drive form that front and back wheel participates in simultaneously according to road conditions like this, thereby strengthened the propulsive effort of mid-get car, improved the crossing ability of mid-get car greatly.
Front propeller shaft adopts two axles butt joints to link to each other and the leading portion of second front propeller shaft and first front propeller shaft structure of angle necessarily each other, can effectively avoid with the chassis on driving engine, change speed gear box interfere, need not change the structure of minicar engine and change speed gear box like this can install, not only simply suitable, and the repacking cost is low.The leading portion of second front propeller shaft and first front propeller shaft forms 11 °～13 ° angle a, can guarantee stability of transmission, and the excessive or too small effect of all can influence power transmitting causes the rotating speed of first, second front propeller shaft irregular.
The leading portion of above-mentioned first front propeller shaft is made of first universal-joint, front connector, first locating bush, first spline housing, first castellated shaft and center tap, wherein first universal-joint is installed in the front portion of front connector, and afterbody is by the front end welding of first locating bush and first spline housing; The preceding splined end of described first castellated shaft stretches into from the rear end of first spline housing, and both connect by spline, and the tail end of first castellated shaft and center tap welding are fixing, and this center tap is connected with second spline housing by second universal-joint.First front propeller shaft adopts above structure, handling ease not only, and also easy to assembly; Can relatively move in the axial direction between first spline housing and first castellated shaft, can conveniently regulate the endplay that mid-get car produces when advancing or retreat.
Outside in above-mentioned first spline housing and the first castellated shaft junction is set with rubber coating, and the forward and backward two ends of this rubber coating embed respectively on first spline housing and the first castellated shaft outer wall in the cooresponding annular groove.Rubber coating plays dustproof effect, prevents that dust, impurity etc. from entering in first spline housing, to guarantee the reliability of transmission between first castellated shaft and first spline housing.
For simplified structure, be convenient to install, above-mentioned second front propeller shaft is made of second castellated shaft, second locating bush, back joint, the 3rd universal-joint and the 3rd spline housing, wherein the preceding splined end of second castellated shaft is passed the internal splined hole of second spline housing, by nut locking, the rear end of second castellated shaft is by the front end welding of second locating bush with the back joint, and the tail end of this back joint is connected with the front end of the 3rd spline housing by the 3rd universal-joint, and described the 3rd spline housing is sleeved on the output shaft of auxiliary gear box.
Above-mentioned support is made of bearing, rubber bodies, locating bush and bearing, its centre bearer is positioned at locating bush, bearing cone cooperates with the forward gap of second front propeller shaft, between the outer ring of bearing and locating bush rubber bodies is set, and the three is by being tightly fixed together; At the bottom of described locating bush fixed bearing, this bearing is by being bolted on the suspension of a driving engine left side.Second front propeller shaft and bearing cone free-running fit, both can rotate with respect to outside race together, guarantee ensuring smooth transmission, again can be for convenience detach; Flush fit between outside race, rubber bodies and the locating bush three is connected firmly and reliable, can effectively prevent to come off.
Above-mentioned rubber bodies is an annular arrangement, has arc notch at the opposite side of rubber bodies outer circumference surface.Arc notch makes rubber bodies have " allowing property ", can play cushioning effect.
The arc section of the middle part of above-mentioned bearing for caving in downwards, the bottom of this arc section and circular locating bush coincide, both are fixing by welding, the two ends of bearing bend continuously, form " U " shape journal stirrup, each journal stirrup is obliquely installed, and the arc section of the opening of journal stirrup in the middle part of bearing, and described journal stirrup is captiveed joint by bolt and driving engine left side suspension.Cooresponding installation site adapts on the suspension of the set-up mode of a journal stirrup and driving engine left side, with easy disassembly and make more compact structure; 2 of support employings and driving engine left side suspension are fixed, and be not only firm, and good stability.
Beneficial effect: the present invention can combine with auxiliary gear box and front reduction gear, under the prerequisite that does not change driving engine, gearbox designs, can give propons with the transmission of power of driving engine, make mid-get car select to have only the drive form of trailing wheel participation or the drive form that front and back wheel participates in simultaneously according to road conditions, thereby strengthened the propulsive effort of mid-get car, improved the crossing ability of mid-get car greatly, have design ingenious, implement easily, characteristics such as good reliability, repacking cost are low, widely applicable.
Description of drawings
Fig. 1 overlooks the structural representation of direction for the present invention.
Fig. 2 analyses and observe the rotation enlarged drawing for the A-A of Fig. 1.
Fig. 3 is the B-B cutaway view Amplified image of Fig. 1.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1, shown in Figure 3, driving engine left side suspension 6 is between front reduction gear 3 and auxiliary gear box 4, above the suspension 6 of a driving engine left side, be provided with first front propeller shaft 1 and second front propeller shaft 2, wherein first front propeller shaft 1 is divided into forward and backward two sections, the back segment of this first front propeller shaft 1 is second spline housing 12, second spline housing, 12 horizontal arrangement, and link to each other with second front propeller shaft 2 butt joint of same horizontal arrangement; The leading portion of first front propeller shaft 1 is obliquely installed with respect to the back segment and second front propeller shaft 2, and the axis of the axis of this first front propeller shaft, 1 leading portion and second front propeller shaft 2 forms 11 °～13 ° angle a.The leading portion of described first front propeller shaft 1 is made of first universal-joint 5, front connector 23, first locating bush 8, first spline housing 9, first castellated shaft 10 and center tap 24, wherein first universal-joint 5 is installed in the front portion of front connector 23, this first universal-joint 5 is connected with the input flange dish of front reduction gear 3, the afterbody of front connector 23 is welded on the front end of first locating bush 8, and the front end welding of the rear end of first locating bush 8 and first spline housing 9 is fixing.The front portion of described first castellated shaft 10 is processed with male splines, the front end welding of afterbody and center tap 24, and the preceding splined end of first castellated shaft 10 stretches into from the rear end of first spline housing 9, and both connect by spline, and can move certain stroke in the axial direction.Outside in first spline housing 9 and first castellated shaft, 10 junctions is set with rubber coating 13, and the front end of this rubber coating 13 embeds on first spline housing, 9 outer walls in the cooresponding annular groove, and the rear end of rubber coating 13 embeds on first castellated shaft, 10 outer walls in the cooresponding annular groove.13 dustproof effect of rubber coating, by self flexible fastening on first spline housing 9 and first castellated shaft 10.Second universal-joint 11 is installed at the rear portion of described center tap 24, and this second universal-joint 11 is connected with the front end of second spline housing 12.
From Fig. 1, Fig. 3 as can be known, second front propeller shaft 2 is made of second castellated shaft 14, second locating bush 15, back joint 25, the 3rd universal-joint 16 and the 3rd spline housing 17, wherein the front portion of second castellated shaft 14 is processed with male splines, the front end welding of the tail end and second locating bush 15.Position after second castellated shaft, 14 middle parts are inclined to one side is supported by the support 7 that is fixed on the suspension 6 of a driving engine left side, and the preceding splined end of second castellated shaft 14 is passed the internal splined hole of second spline housing 12, by nut 18 lockings.The tail end of described second locating bush 15 welds with the front end of back joint 25, and the tail end of this back joint 25 is connected with the front end of the 3rd spline housing 17 by the 3rd universal-joint 16, and described the 3rd spline housing 17 is sleeved on the output shaft of auxiliary gear box 4, and both pass through spline fitted.
From Fig. 1, Fig. 2 and Fig. 3 also as can be known, support 7 is made of bearing 18, rubber bodies 19, locating bush 20 and bearing 21, its centre bearer 18 is positioned at locating bush 20, the inner ring of bearing 18 and second castellated shaft, 14 free-running fits, between the outer ring of bearing 18 and locating bush 20, rubber bodies 19 is set, rubber bodies 19 is an annular arrangement, has arc notch 19a at the opposite side of rubber bodies 19 outer circumference surfaces.The outer ring of described bearing 18, rubber bodies 19 and locating bush 20 threes are in the same place by being tightly fixed.The arc section of the middle part of bearing 21 for caving in downwards, the bottom of this arc section and circular locating bush 20 coincide, both are fixing by welding, the two ends of bearing 21 bend continuously, form " U " shape journal stirrup 21a, each journal stirrup 21a is obliquely installed, and the opening of journal stirrup 21a is towards the arc section at bearing 21 middle parts, and described journal stirrup 21a is captiveed joint by the left suspension 6 of bolt 22 and driving engine.
Among the present invention, auxiliary gear box 4 is installed in the afterbody of change speed gear box, have input gear, output gear, output shaft and synchro in the auxiliary gear box 4, the gear mesh on auxiliary gear box input gear and the output shaft of gear-box wherein, auxiliary gear box input gear, output gear can rotate with the gear on the output shaft of gear-box.Synchro has joint and separates two states, and when synchro separated, the power of driving engine passed to back axle by output shaft of gear-box and rear propeller shaft, auxiliary gear box output gear idle running this moment; When synchro engages, the power of driving engine passes to back axle by output shaft of gear-box and rear propeller shaft, simultaneously, the auxiliary gear box output gear drives the rotation of auxiliary gear box output shaft by synchro, the auxiliary gear box output shaft is successively by second front propeller shaft 2, first front propeller shaft 1 and front reduction gear 3, give propons with the transmission of power of driving engine, make front-wheel that propulsive effort also be arranged under the situation of needs, mid-get car can select to have only the drive form of trailing wheel participation or the drive form that front and back wheel participates in simultaneously according to road conditions like this, thereby strengthened the propulsive effort of mid-get car, improved the crossing ability of mid-get car greatly.The axis of first front propeller shaft, 1 leading portion and the axis of second front propeller shaft 2 form 11 °～13 ° angle a, can guarantee stability of transmission, can effectively avoid again with the chassis on driving engine, change speed gear box interfere, need not change the structure of minicar engine and change speed gear box like this can install, not only simply suitable, and the repacking cost is low.
Claims (7)
1. minicar front drive shaft assembly, comprise front reduction gear (3), auxiliary gear box (4), driving engine left side suspension (6) and front propeller shaft, front propeller shaft is positioned between front reduction gear (3) and the auxiliary gear box (4), it is characterized in that: described front propeller shaft has two, wherein first front propeller shaft (1) is divided into two sections, the front end of this first front propeller shaft (1) leading portion is connected with the input flange dish of front reduction gear (3) by first universal-joint (5), the rear end of first front propeller shaft (1) leading portion is connected with back segment second spline housing (12) by second universal-joint (11), described second spline housing (12) is sleeved on the front end of second front propeller shaft (2), both splines connect, and the axis of the axis of second front propeller shaft (2) and first front propeller shaft (1) leading portion forms 11 °～13 ° angle a; The front portion of described second front propeller shaft (2) is supported by the support (7) that is fixed on the driving engine left side suspension (6), and the rear end of this second front propeller shaft (2) is connected with the output shaft spline of auxiliary gear box (4).
2. a kind of minicar front drive shaft assembly according to claim 1, it is characterized in that: the leading portion of described first front propeller shaft (1) is made of first universal-joint (5), front connector (23), first locating bush (8), first spline housing (9), first castellated shaft (10) and center tap (24), first universal-joint (5) is installed in the front portion of wherein front connector (23), and afterbody is by the front end welding of first locating bush (8) with first spline housing (9); The preceding splined end of described first castellated shaft (10) stretches into from the rear end of first spline housing (9), both connect by spline, the tail end of first castellated shaft (10) and center tap (24) welding are fixing, and this center tap (24) is connected with second spline housing (12) by second universal-joint (11).
3. a kind of minicar front drive shaft assembly according to claim 2, it is characterized in that: the outside in described first spline housing (9) and first castellated shaft (10) junction is set with rubber coating (13), and the forward and backward two ends of this rubber coating (13) embed respectively on first spline housing (9) and first castellated shaft (10) outer wall in the cooresponding annular groove.
4. a kind of minicar front drive shaft assembly according to claim 1 and 2, it is characterized in that: described second front propeller shaft (2) is by second castellated shaft (14), second locating bush (15), back joint (25), the 3rd universal-joint (16) and the 3rd spline housing (17) constitute, wherein the preceding splined end of second castellated shaft (14) is passed the internal splined hole of second spline housing (12), lock by nut (18), the rear end of second castellated shaft (14) is by the front end welding of second locating bush (15) with back joint (25), the tail end of this back joint (25) is connected with the front end of the 3rd spline housing (17) by the 3rd universal-joint (16), and described the 3rd spline housing (17) is sleeved on the output shaft of auxiliary gear box (4).
5. a kind of minicar front drive shaft assembly according to claim 1, it is characterized in that: described support (7) is made of bearing (18), rubber bodies (19), locating bush (20) and bearing (21), its centre bearer (18) is positioned at locating bush (20), the inner ring of bearing (18) cooperates with the forward gap of second front propeller shaft (2), between the outer ring of bearing (18) and locating bush (20) rubber bodies (19) is set, the three is by being tightly fixed together; At the bottom fixed bearing (21) of described locating bush (20), this bearing (21) is fixed on the driving engine left side suspension (6) by bolt (22).
6. a kind of minicar front drive shaft assembly according to claim 5 is characterized in that: described rubber bodies (19) is an annular arrangement, has arc notch (19a) at the opposite side of rubber bodies (19) outer circumference surface.
7. according to claim 5 or 6 described a kind of minicar front drive shaft assemblies, it is characterized in that: the arc section of the middle part of described bearing (21) for caving in downwards, the bottom of this arc section and circular locating bush (20) coincide, both are fixing by welding, the two ends of bearing (21) bend continuously, form " U " shape journal stirrup (21a), each journal stirrup (21a) is obliquely installed, and the opening of journal stirrup (21a) is towards the arc section at bearing (21) middle part, and described journal stirrup (21a) is captiveed joint with driving engine left side suspension (6) by bolt (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710093242XA CN101214791A (en) | 2007-12-28 | 2007-12-28 | Minicar front drive shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710093242XA CN101214791A (en) | 2007-12-28 | 2007-12-28 | Minicar front drive shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101214791A true CN101214791A (en) | 2008-07-09 |
Family
ID=39621326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710093242XA Pending CN101214791A (en) | 2007-12-28 | 2007-12-28 | Minicar front drive shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101214791A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508551A (en) * | 2022-02-14 | 2022-05-17 | 东风柳州汽车有限公司 | Transmission mechanism and gearbox assembly |
-
2007
- 2007-12-28 CN CNA200710093242XA patent/CN101214791A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508551A (en) * | 2022-02-14 | 2022-05-17 | 东风柳州汽车有限公司 | Transmission mechanism and gearbox assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6863634B2 (en) | Tandem axle power divider assembly with inboard slip driveshaft connection | |
| US10208846B2 (en) | Axle assembly having a drive pinion support bearing and a method of assembly | |
| EP2888126B1 (en) | Tandem axle system | |
| EP3453555B1 (en) | Axle assembly having a drive pinion assembly | |
| US20180128361A1 (en) | Axle Assembly with Interaxle Differential Support | |
| WO2006022992A1 (en) | Ribbed cover for drive axle housing | |
| US11220168B2 (en) | Axle assembly for low floor vehicle | |
| EP3885177B1 (en) | Drive axle system | |
| US10591037B2 (en) | Drive axle system having a planetary interaxle differential unit | |
| JP5606538B2 (en) | Uncouple drive mechanism | |
| EP3047998B1 (en) | Drive axle system | |
| GB2308639A (en) | Slip yoke assembly | |
| US7258644B2 (en) | Tandem axle carrier structural rib | |
| CN101214791A (en) | Minicar front drive shaft assembly | |
| CN201136437Y (en) | Front drive axle assembly for minicar | |
| CN201745432U (en) | Automatic clutch drive bridge | |
| CN108891258B (en) | Tractor transmission system and four-wheel drive type tractor | |
| WO2004009392A1 (en) | Inter-axle differential having improved bearing arrangement | |
| CN101214789B (en) | Minicar front drive shaft bracket | |
| CN201151345Y (en) | Front transmission shaft support for minicar | |
| US10941846B2 (en) | Differential assembly having an overhanging ring gear | |
| US11156283B2 (en) | Vehicle drivetrain differential assembly | |
| RU72179U1 (en) | GARDEN TRANSMISSION OF LAND VEHICLES |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080709 |