CN1923548A - Sand beach vehicle transcendence rear axle assembly - Google Patents
Sand beach vehicle transcendence rear axle assembly Download PDFInfo
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- CN1923548A CN1923548A CN 200610095174 CN200610095174A CN1923548A CN 1923548 A CN1923548 A CN 1923548A CN 200610095174 CN200610095174 CN 200610095174 CN 200610095174 A CN200610095174 A CN 200610095174A CN 1923548 A CN1923548 A CN 1923548A
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- rear axle
- axle
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- transcendence
- housing body
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Abstract
This invention publicizes a sand beach vehicle's rear axle assembly whose inner end of the left and right half shafts respectively enters into the inside of the rear axle by reversely going though the mounting hole of the side wall of the rear axle, whose shell is located between two half shaft sleeves, and the inner ends of these two half shafts are supported in the mounting hole on the side wall of the rear axle shell through the end cap and the bearing equipped on it; a half shaft bearing sheaths the inner ends of the left and right axles that locates between the half shaft bearing and the end cap and has an inner sheath; said inner cam sheath has outside cam sheath around it and the outside cam sheath equipped with exterior carrier wheel, is supported on the said left and right half shafts through said half shaft bearing; between the said interior and exterior cam sheaths, the cavity ring is located with retainer and shaped roller equipped in it to form a transcendent clutch. This invention is easy to implement, agile to steer, slow to abrade the tire and it can not only avoid slippery driving on the muddy road but also effectively prevent the side reverse of the sand beach vehicle when it changes directions, so as to make it applicable for large scale adoption.
Description
Technical field
The invention belongs to the beach buggy technical field, specifically, relate to a kind of sand beach vehicle transcendence rear axle assembly.
Background technology
At present, traditional beach buggy is divided into straight excellent back axle and differential speed rear axle two big classes with back axle assembly, and both respectively have merits and faults.The structure of straight excellent back axle as shown in Figure 1, form by parts such as wheel hub 1, sprocket wheel 2, brake disc 3, bearing 4, hind axle 19, chain wheel hub 20, trailing wheel axle sleeve 21 and nuts 22, engine power passes to sprocket wheel through chain, sprocket wheel drives hind axle through the chain wheel hub by spline and rotates, thereby trailing wheel rotates, and vehicle moves ahead.As seen from Figure 1, left and right sides wheel hub links to each other with hind axle by spline, so straight excellent back axle left and right wheels can only be rotated with unequal angular velocity, turns to difficulty; When Vehicular turn, tire and ground-surface slide relative make Ackermann steer angle be easy to generate rollover, and wear on tyres is serious.But vehicle can be avoided skidding when muddy road face travels, and vehicle is better at muddy mud ground-surface travelling.
As shown in Figure 2, differential speed rear axle is made up of parts such as wheel hub 1, sprocket wheel 2, brake disc 3, axle bearing 4, left half axle 5, right axle shaft 6, axle tube combination 7, axle side gear 23, planetary wheel 24 and differential casings 25.Engine power passes to sprocket wheel by chain, and sprocket wheel drives differential casing, compensating-gear shaft, planetary wheel rotation, and planetary wheel drives axle side gear, rear-wheel hub rotates, and vehicle moves ahead.No matter whether the left and right driving wheel speed is equal, always the moment of torsion mean allocation, when a wheel trackslips in mire,, promptly skid even another wheel can not move ahead on good road surface.When Vehicular turn, planetary wheel generation rotation, left and right wheel to satisfy the foreign steamer stroke greater than interior wheel stroke, is avoided wheel slip, sliding dragging with different rotating speed rotations, and vehicle is turned on one's side, and turning to of vehicle is more flexible.
Summary of the invention
For solving above technical matters, the object of the present invention is to provide a kind of can either avoiding when muddy road face travels, to skid, the sand beach vehicle transcendence rear axle assembly of rollover takes place in the time of effectively preventing to turn to again.
Technical scheme of the present invention is as follows: a kind of sand beach vehicle transcendence rear axle assembly, comprise wheel hub, sprocket wheel, brake disc, axle bearing, left half axle, right axle shaft and axle tube combination, wherein left, wheel hub is installed in the outer end of right axle shaft, two axle tube combination difference kinks are on a left side, on the axle body of right axle shaft, its key is: be provided with rear axle housing body between two axle tube combinations, a described left side, the inner of right axle shaft is by the reverse mounting hole that passes respectively on the rear axle housing body sidewall, stretch in the rear axle housing body, and be supported in the mounting hole on the rear axle housing body sidewall through the end cap and the bearing of suit on it; Suit axle bearing on the inner termination of described left and right half, suit cam ring cover on the left and right half between this axle bearing and the end cap; Described cam ring cover is covered with the external cam cover, and this external cam cover is supported on the described left and right half by described axle bearing, its outer suit sprocket wheel; In the toroidal cavity between described interior and exterior cam cover retainer and special-shaped roller are installed, form overriding clutch.
When the present invention uses, engine power is delivered to sprocket wheel through chain, the external cam cover that makes sprocket wheel and be attached thereto rotates together, external cam cover by special-shaped roller with power transmission to the cam ring cover, pass to left and right half by the cam ring cover again, thereby drive hub, trailing wheel rotates, and beach buggy moves ahead.
When beach buggy travels on muddy road surface, left and right wheels all is drive wheels on the back axle, when one of them rear wheels slip, owing to be that the overriding clutch mode drives, can keep the minimum rotational speed identical of left and right wheels with sprocket wheel, thus as long as the shortcoming of having avoided differential speed rear axle to have a wheel slip car load just can not travel.
When beach buggy travels on straight road surface, during Vehicular turn, left and right sides trailing wheel turn radius difference, make off-side wheel faster than nearside wheel speed, because the overriding clutch transfer torque that back axle is made up of external cam cover, special-shaped roller, retainer and cam ring cover, interior side drive wheel is with the rotating speed rotation identical with sprocket wheel, and under the effect of external force, the speed of side drive wheel was rotated in outer side drive wheel can be higher than, the realization differential rotates, make turning to flexibly of beach buggy, avoided straight excellent rear-axle steering difficulty, the easy disadvantage that rollover takes place.
For making overriding clutch can continue equably transferring power and keeping good performance, above-mentioned special-shaped roller is installed on the retainer, and is circularly and evenly distributed on retainer.
The outer end of above-mentioned end cap is an annular boss, and this annular boss stretches in the mounting hole on the rear axle housing body sidewall, and is connected with the inwall of mounting hole by bearing.Make compact conformation between end cap and the rear axle housing body like this, easy to assembly.
The cross section of above-mentioned rear axle housing body is " U " shape.Rear axle housing body simple in structure, handling ease, cost is corresponding lower.
Above-mentioned brake disc is sleeved on the wheel hub by the brake disc spline housing, like this brake disc assembling easily, braking is not only flexibly but also reliable.
Beneficial effect: the present invention have be skillfully constructed, implement easily, cost is low, turn to flexibly, wear on tyres waits characteristics more slowly, it can either avoid beach buggy to skid when muddy road face travels, can effectively prevent from again to turn on one's side when beach buggy from turning to, make that the field of application of beach buggy is wider, effect is better, is suitable for large-scale promotion and uses.
Description of drawings
Fig. 1 is the structural representation of straight excellent back axle in the background technology.
Fig. 2 is the structural representation of differential speed rear axle in the background technology.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is the A-A cutaway view of Fig. 3.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 3 and Figure 4, the present invention is by component set-ups such as wheel hub 1, sprocket wheel 2, brake disc 3, axle bearing 4, left half axle 5, right axle shaft 6, axle tube combination 7, rear axle housing body 8, external cam cover 9, special-shaped roller 10, retainer 11, cam ring cover 12 and end caps 13.Wherein the cross section of rear axle housing body 8 is " U " shape, external cam cover 9 is positioned at rear axle housing body 8, the centre hole of this external cam cover 9 is small at both ends and big in the middle, the inner of left and right half 5,6 is oppositely passed the mounting hole on rear axle housing body 8 sidewalls respectively and is stretched in the external cam cover 9, its inner termination is positioned at the reduced diameter section that external cam is overlapped 9 centre holes, inwall by axle bearing 4 and external cam cover 9 is connected, and promptly this external cam is overlapped 9 and is supported on the described left and right half 5,6 by axle bearing 4.Cam ring cover 12 in overlapping the enlarged diameter section at 9 centre hole two ends, external cam is set, this cam ring cover 12 by spline package on cooresponding semiaxis, in the toroidal cavity between interior and exterior cam cover 12,9 retainer 11 and special-shaped roller 10 are installed, are formed overriding clutch.Described sprocket wheel 2 is sleeved on the left end of external cam cover 9, by bolt, overlap in external cam on the semiaxis of 9 both sides and all be set with end cap 13,13 pairs of special-shaped roller 10 axial limitings of end cap, and the outer end of end cap 13 is an annular boss, this annular boss stretches in the mounting hole on rear axle housing body 8 sidewalls, and by the inwall supporting of bearing 14 with mounting hole.Suit axle tube combination 7 on the semiaxis axle body in rear axle housing body 8 outsides, the inner of this axle tube combination 7 has flange, this flange is fixed by the sidewall of bolt and rear axle housing body 8, the outer end of axle tube combination 7 is the brake clamp bearing, this bearing connects with cooresponding semiaxis by bearing 16, and is welded with brake clamp 17 on the bearing.There is spline the outer end of left and right half 5,6, and wheel hub 1 is sleeved on the outer end of corresponding semiaxis, is connected with semiaxis by spline, and the outside is by nut 18 lockings.On left and right wheel hub 1, all hydraulic disk brake disc 3 is installed, glancing impact can be braked left and right sides trailing wheel simultaneously by brake disc spline housing 15.
Can find out further that from Fig. 2 special-shaped roller 10 is stuck in the installation position of retainer 11 with known manner, and is circularly and evenly distributed on retainer 11.
Principle of work of the present invention is: engine power is delivered to sprocket wheel 2 through chain, the external cam cover 9 that makes sprocket wheel 2 and be attached thereto rotates together, external cam cover 9 is given two cam ring covers 12 by special-shaped roller 10 with power transmission, pass to left and right half 5,6 respectively by cam ring cover 12 again, thereby drive cooresponding wheel hub 1, trailing wheel is rotated, and beach buggy moves ahead.Owing to be that the mono-directional overrun clutch mode drives, external cam cover 9 is driving links, overlap 9 when external cam and clockwise rotate, and the rotating speed of external cam cover 9 overlapped 12 o'clock greater than cam ring, abnormity roller 10 will be locked its inside and outside raceway, and external cam cover 9 passes to cam ring cover 12 with moment of torsion and drives its rotation; When the rotating speed of cam ring cover 12 overlapped 9 greater than external cam, special-shaped roller 10 reverse slide worked the effect of surmounting.
When beach buggy travels on muddy road surface, left and right wheels all is drive wheels on the back axle, when one of them rear wheels slip, owing to be that the overriding clutch mode drives, can keep the minimum rotational speed identical of left and right wheels with sprocket wheel 2, thereby as long as the shortcoming of having avoided traditional differential speed rear axle to have a wheel slip car load just can not travel; It does not have complicated parts such as center cross, planetary wheel simultaneously, and its manufacturing cost is lower than differential speed rear axle.When beach buggy travels on straight road surface, during Vehicular turn, left and right sides trailing wheel turn radius difference, make off-side wheel faster than nearside wheel speed, because back axle is by external cam cover 9, abnormity roller 10, the special-shaped roll-type overriding clutch transfer torque that retainer 11 and cam ring cover 12 are formed, interior side drive wheel is with the rotating speed rotation identical with sprocket wheel 2, and under the effect of external force, the speed of side drive wheel was rotated in outer side drive wheel can be higher than, the realization differential rotates, make turning to flexibly of beach buggy, avoided traditional straight excellent rear-axle steering difficulty, the disadvantage of rollover takes place easily.
Claims (5)
1, a kind of sand beach vehicle transcendence rear axle assembly, comprise wheel hub (1), sprocket wheel (2), brake disc (3), axle bearing (4), left half axle (5), right axle shaft (6) and axle tube combination (7), wherein left, right axle shaft (5,6) wheel hub (1) is installed in outer end, two axle tube combinations (7) difference kink is on a left side, right axle shaft (5,6) on the axle body, it is characterized in that: between two axle tube combinations (7), be provided with rear axle housing body (8), a described left side, right axle shaft (5,6) the inner is by the reverse mounting hole that passes respectively on rear axle housing body (8) sidewall, stretch in the rear axle housing body (8), and be supported in the mounting hole on rear axle housing body (8) sidewall through the end cap (13) and the bearing (14) of suit on it; Suit axle bearing (4) on the inner termination of described left and right half (5,6), suit cam ring cover (12) on the left and right half between this axle bearing (4) and the end cap (13); Described cam ring cover (12) is covered with external cam cover (9), and this external cam cover (9) is supported on the described left and right half (5,6) by described axle bearing (4), its outer suit sprocket wheel (2); Retainer (11) and special-shaped roller (10) are installed in the toroidal cavity between described interior and exterior cam cover (12,9), form overriding clutch.
2, a kind of sand beach vehicle transcendence rear axle assembly according to claim 1 is characterized in that: described special-shaped roller (10) is installed on the retainer (11), and is circularly and evenly distributed on retainer (11).
3, a kind of sand beach vehicle transcendence rear axle assembly according to claim 1, it is characterized in that: the outer end of described end cap (13) is an annular boss, this annular boss stretches in the mounting hole on rear axle housing body (8) sidewall, and is connected with the inwall of mounting hole by bearing (14).
4, a kind of sand beach vehicle transcendence rear axle assembly according to claim 1 is characterized in that: the cross section of described rear axle housing body (8) is " U " shape.
5, a kind of sand beach vehicle transcendence rear axle assembly according to claim 1 is characterized in that: described brake disc (3) is sleeved on the wheel hub (1) by brake disc spline housing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610095174 CN1923548A (en) | 2006-09-29 | 2006-09-29 | Sand beach vehicle transcendence rear axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610095174 CN1923548A (en) | 2006-09-29 | 2006-09-29 | Sand beach vehicle transcendence rear axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1923548A true CN1923548A (en) | 2007-03-07 |
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ID=37816434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610095174 Pending CN1923548A (en) | 2006-09-29 | 2006-09-29 | Sand beach vehicle transcendence rear axle assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN1923548A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856968A (en) * | 2016-05-16 | 2016-08-17 | 浙江工业大学 | Driving force differential two-wheeled turning device |
| CN109435579A (en) * | 2018-11-29 | 2019-03-08 | 俞武 | A kind of rear axle assy and the sandy beach motor with the rear axle assy |
-
2006
- 2006-09-29 CN CN 200610095174 patent/CN1923548A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856968A (en) * | 2016-05-16 | 2016-08-17 | 浙江工业大学 | Driving force differential two-wheeled turning device |
| CN109435579A (en) * | 2018-11-29 | 2019-03-08 | 俞武 | A kind of rear axle assy and the sandy beach motor with the rear axle assy |
| CN109435579B (en) * | 2018-11-29 | 2024-03-19 | 俞武 | Rear axle assembly and beach motorcycle with same |
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Open date: 20070307 |