CN104908544A - Single-shaft four-wheel damping rear wheel driving bridge - Google Patents
Single-shaft four-wheel damping rear wheel driving bridge Download PDFInfo
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- CN104908544A CN104908544A CN201510392478.8A CN201510392478A CN104908544A CN 104908544 A CN104908544 A CN 104908544A CN 201510392478 A CN201510392478 A CN 201510392478A CN 104908544 A CN104908544 A CN 104908544A
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- wheel
- axle housing
- rotating shaft
- leaf spring
- cone tooth
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Abstract
The invention belongs to the technical field of automotive rear bridges, particularly relates to a single-shaft four-wheel damping rear wheel driving bridge, which comprises wheels, an automotive body frame, a plate spring, a wheel disc, a difference velocity machine, a shaft shell rotating connecting mechanism, a cardan joint, a driving shaft, a bearing rotating structure, a second rotating shaft, a bearing, a first conical tooth matching, a first rotating shaft, a rotation axle, a third rotating shaft, a second conical tooth matching and bearing supports and the like, wherein the automotive body frame is arranged on the bearing rotating structure through the plate spring, the bearing rotating structure can rotate in a certain angle in the bearing supports through rotating pairs, and the two bearing supports are respectively arranged between two wheels arranged on one side. When the wheels meet a certain height of bump on the road, the bearing rotating structure can control support points of an automotive body between the two wheels on one side to go up and down in the half of the height of the bump, if any one of the two wheels on one side is stressed on the bump, the other wheel is also stressed, and momentary force is distributed on the two wheels, thereby enhancing reliability of a mechanism.
Description
Art
The invention belongs to automobile axle technical field, particularly relate to a kind of single shaft four-wheel damping back-wheel drive bridge.
Background technology
What current use duplex drove back axle mainly concentrates on the larger truck of load carrying ability or motor omnibus, every side vehicle body is arranged on two axletrees by leaf spring, when two wheels of side on road surface prominent meet higher protruding time, two wheels pass through projection successively often, when a wheel is in projection, there is the phenomenon tilted in another wheel of possible homonymy, now the impulsive force of moment is absorbed by a wheel completely, and this can affect the service life of back axle; In addition in this process, on hind axle, the fluctuating distance of leaf spring attachment point is greater than 1/2 hill height, and is less than hill height, even if under the buffer action of leaf spring, vehicle body vibrations are still strong.The present invention, when the prominent chance of wheel is protruding, leaf spring attachment point relief height can be kept to be the half of hill height, and two wheels of every side is all stressed, have good reliability and damping property.
Summary of the invention
For solving above-mentioned defect of the prior art, the present invention discloses a kind of single shaft four-wheel damping back-wheel drive bridge, and it realizes by the following technical solutions.
A kind of single shaft four-wheel damping back-wheel drive bridge, is characterized in that: it comprises wheel, vehicle body frame, leaf spring, leaf spring fixed mechanism, first axle housing, first cone tooth spherical shell, second axle housing, wheel dish, diff, 3rd axle housing, axle housing connecting mechanism for rotating, second cone tooth spherical shell, 4th axle housing, universal-joint, axle drive shaft, load-bearing rotation structure, second rotating shaft, 5th axle housing, bearing, first cone tooth coordinates, first rotating shaft, S. A., 3rd rotating shaft, second cone tooth coordinates, bearing support, wherein wheel comprises four wheels, vehicle body two, every side wheel, each wheel has installation driver train, both sides wheel installing mechanism is symmetrical with vehicle body Central Symmetry face, two wheels installation driver trains of every side are symmetrical with these two wheel center planes of symmetry, for one of them wheel installing mechanism, wheel is arranged on wheel dish by wheel hub, wheel dish is fixed on the second shaft end, second rotating shaft is coordinated by the first cone tooth and is connected with the first rotating shaft, first rotating shaft is arranged on diff and exports one end, 3rd rotating shaft is arranged on diff input end, and the 4th rotating shaft is coordinated by the second cone tooth and is connected with the 3rd rotating shaft, and axle drive shaft is connected with the 4th rotating shaft by universal-joint, second axle housing, first cone tooth spherical shell, first axle housing, diff, 3rd axle housing, axle housing connecting mechanism for rotating, 4th axle housing, second cone tooth spherical shell, 5th axle housing etc. is fixedly connected sequentially, and the second axle housing, first cone tooth spherical shell, first axle housing, 3rd axle housing and the 4th axle housing, second cone tooth spherical shell, 5th axle housing etc. is arranged on the second rotating shaft respectively by bearing, first cone tooth coordinates, first rotating shaft, 3rd rotating shaft, second cone tooth coordinates, in 4th rotating shaft, in the present invention, single shaft refers to the axle drive shaft connecting both sides wheel, by drawing axle drive shaft from change speed gear box, being coordinated by cone tooth is input on the wheel differential of both sides, be transmitted on four wheels through diff, respective axle housing is furnished with as seal protection outside each rotating shaft,
Described bearing support is fixedly mounted on diff upper surface, load-bearing rotation structure is arranged in the groove of bearing support upper end by S. A., leaf spring is arranged on load-bearing rotation structure upper surface by leaf spring fixed mechanism, and vehicle body frame is arranged on leaf spring top by bolt.Vehicle body frame is arranged in load-bearing rotation structure by leaf spring, load-bearing rotation structure can be rotated by revolute in bearing support inside in certain angle, two bearing supports are arranged between the wheel of two, every side respectively, and bearing support drives two wheels can rotate around S. A..
As the further improvement of this technology, described leaf spring fixed mechanism comprises leaf spring fixed link, top board fixed by leaf spring fixed base plate, leaf spring, wherein leaf spring fixed base plate is arranged on load-bearing rotation structure upper surface, leaf spring fixed link is arranged on leaf spring by bolt one end and fixes on top board, and the other end is arranged on leaf spring fixed base plate.
As the further improvement of this technology, described axle housing connecting mechanism for rotating comprises attachment flange, spacing ring, spacing end face, spacing flange, wherein spacing ring is arranged on the 3rd axle housing end, attachment flange is arranged on the 4th axle housing end, spacing flange is coordinated with attachment flange by bolt, spacing ring one side and the spacing end face moving contact on spacing flange, another side and the moving contact of attachment flange end face, when wheel prominent chance bump, bearing support drives two wheels can turn an angle around S. A., the 3rd axle housing now rotated and the 4th static axle housing are coordinated by axle housing connecting mechanism for rotating.
As the further improvement of this technology, between described first axle housing, the first cone tooth spherical shell, the second axle housing, reinforced rib is installed.Vehicle body bearing frame is arranged on every side wheel axis and departs from wheel bearing surface place, and such installation creates transverse force to wheel axle housing, increases the intensity that reinforced rib can ensure wheel axle housing
As the further improvement of this technology, in described axle housing connecting mechanism for rotating, be added with lubricating oil.
Above all parts is the illustrated parts embodying design philosophy, in enforcement installation process, needs, according to actual installation step, to cut apart installation to some parts, otherwise cannot implement to install.
Relative to traditional back axle technology, vehicle body frame of the present invention is arranged in load-bearing rotation structure by leaf spring, and load-bearing rotation structure can be rotated by revolute in bearing support inside in certain angle, and two bearing supports are arranged between the wheel of two, every side respectively.When wheel runs into certain altitude protruding on road surface, the strong point of vehicle body between the wheel of two, side can rise and fall the half controlled in hill height by the design of load-bearing rotation structure, in addition every side two wheels any one take turns in projection stressed, another is taken turns can be stressed equally, force of the breath is distributed on two wheels, adds the reliability of mechanism.
Accompanying drawing explanation
Fig. 1 is integral structure figure.
Fig. 2 is driving mechanism structure figure.
Fig. 3 is driver train lateral plan.
Fig. 4 is driver train birds-eye view.
Fig. 5 is that axle housing connects birds-eye view.
Fig. 6 is that rotating shaft coordinates schematic diagram.
Fig. 7 is that rotating shaft coordinates birds-eye view.
Fig. 8 is leaf spring scheme of installation.
Fig. 9 is attachment flange scheme of installation.
Figure 10 is spacing flange scheme of installation.
Figure 11 is spacing ring scheme of installation.
Figure 12 was bump example schematic.
Number in the figure title: 1, wheel, 2, vehicle body frame, 3, leaf spring, 4, leaf spring fixed mechanism, 5, first axle housing, 6, first cone tooth spherical shell, 7, second axle housing, 8, wheel dish, 9, reinforced rib, 10, leaf spring fixed link, 11, bearing support, 12, leaf spring fixed base plate, 13, diff, 14, 3rd axle housing, 15, axle housing connecting mechanism for rotating, 16, second cone tooth spherical shell, 17, 4th axle housing, 18, universal-joint, 19, axle drive shaft, 20, load-bearing rotation structure, 21, top board fixed by leaf spring, 22, second rotating shaft, 23, 5th axle housing, 24, bearing, 25, first cone tooth coordinates, 26, first rotating shaft, 27, S. A., 28, 3rd rotating shaft, 29, second cone tooth coordinates, 30, attachment flange, 31, spacing ring, 32, spacing end face, 33, spacing flange, 34, 4th rotating shaft.
Detailed description of the invention
As Fig. 1, 2, 3, shown in 4, a kind of single shaft four-wheel damping back-wheel drive bridge, is characterized in that: it comprises wheel, vehicle body frame, leaf spring, leaf spring fixed mechanism, first axle housing, first cone tooth spherical shell, second axle housing, wheel dish, diff, 3rd axle housing, axle housing connecting mechanism for rotating, second cone tooth spherical shell, 4th axle housing, universal-joint, axle drive shaft, load-bearing rotation structure, second rotating shaft, 5th axle housing, bearing, first cone tooth coordinates, first rotating shaft, S. A., 3rd rotating shaft, second cone tooth coordinates, bearing support, wherein as shown in Figure 1, wheel comprises four wheels, vehicle body two, every side wheel, each wheel has installation driver train, and both sides wheel installing mechanism is symmetrical with vehicle body Central Symmetry face, two wheels installation driver trains of every side are symmetrical with these two wheel center planes of symmetry, for one of them wheel installing mechanism, wheel is arranged on wheel dish, as Fig. 2 by wheel hub, 3, 4, 6, shown in 7, wheel dish is fixed on the second shaft end, second rotating shaft is coordinated by the first cone tooth and is connected with the first rotating shaft, first rotating shaft is arranged on diff and exports one end, 3rd rotating shaft is arranged on diff input end, 4th rotating shaft is coordinated by the second cone tooth and is connected with the 3rd rotating shaft, and axle drive shaft is connected with the 4th rotating shaft by universal-joint, as shown in Figure 5, second axle housing, first cone tooth spherical shell, first axle housing, diff, 3rd axle housing, axle housing connecting mechanism for rotating, 4th axle housing, second cone tooth spherical shell, 5th axle housing etc. is fixedly connected sequentially, and the second axle housing, first cone tooth spherical shell, first axle housing, 3rd axle housing and the 4th axle housing, second cone tooth spherical shell, 5th axle housing etc. is arranged on the second rotating shaft respectively by bearing, first cone tooth coordinates, first rotating shaft, 3rd rotating shaft, second cone tooth coordinates, in 4th rotating shaft, in the present invention, single shaft refers to the axle drive shaft connecting both sides wheel, by drawing axle drive shaft from change speed gear box, pass through universal-joint, the cooperation of cone tooth is input on the wheel differential of both sides, be transmitted on four wheels through diff, respective axle housing is furnished with as seal protection outside each rotating shaft, S. A. rotates with in axle housing by bearing, when in vehicle traveling process, wheel can under the effect of bump or groove, there is mutual alignment with vehicle body to change, single shaft in the present invention will be connected with the change speed gear box on vehicle body by axle drive shaft, design universal-joint when axletree and vehicle body generation relative position change, can play the booster action of conduction moment of torsion smoothly.Become 90 degree of transmissions place at S. A., use cone tooth to be connected.
As shown in Fig. 6,11, described bearing support is fixedly mounted on diff upper surface, load-bearing rotation structure is arranged in the groove of bearing support upper end by S. A., and leaf spring is arranged on load-bearing rotation structure upper surface by leaf spring fixed mechanism, and vehicle body frame is arranged on leaf spring top by bolt.Vehicle body frame is arranged in load-bearing rotation structure by leaf spring, load-bearing rotation structure can be rotated by revolute in bearing support inside in certain angle, two bearing supports are arranged between the wheel of two, every side respectively, and bearing support drives two wheels can rotate around S. A., as schemed shown in a in Figure 12, for flat road surface crossed by automobile, when wheel runs into certain altitude protruding on road surface, wheel in projection rises and falls and is equivalent to protruding height h1, lifting of single wheel, bearing support will be caused to rotate an angle around S. A., as shown in b in Figure 12, another wheel still on the ground like this, there is no height change, the weight of vehicle body is still distributed on two wheels simultaneously, fluctuating h2 on bearing support centre rotational axis so between two wheels is the half of hill height h1, namely the relief height of supported by plate spring point is protruding half.
As shown in Figure 8, described leaf spring fixed mechanism comprises leaf spring fixed link, top board fixed by leaf spring fixed base plate, leaf spring, wherein leaf spring fixed base plate is arranged on load-bearing rotation structure upper surface, leaf spring fixed link is arranged on leaf spring by bolt one end and fixes on top board, and the other end is arranged on leaf spring fixed base plate.Leaf spring is what synthesize one by one, needs fixed mechanism to fix.
As Fig. 9, 10, shown in 11, described axle housing connecting mechanism for rotating comprises attachment flange, spacing ring, spacing end face, spacing flange, wherein spacing ring is arranged on the 3rd axle housing end, attachment flange is arranged on the 4th axle housing end, spacing flange is coordinated with attachment flange by bolt, spacing ring one side and the spacing end face moving contact on spacing flange, another side and the moving contact of attachment flange end face, when wheel prominent chance bump, bearing support drives two wheels can turn an angle around S. A., the 3rd axle housing now rotated and the 4th static axle housing are coordinated by axle housing connecting mechanism for rotating.
As shown in Figure 2, between described first axle housing, the first cone tooth spherical shell, the second axle housing, reinforced rib is installed.Vehicle body bearing frame is arranged on every side wheel axis and departs from wheel bearing surface place, and such installation creates transverse force to wheel axle housing, increases the intensity that reinforced rib can ensure wheel axle housing
Lubricating oil is added with in described axle housing connecting mechanism for rotating.
As shown in Figure 1, 2, vehicle body frame of the present invention is arranged in load-bearing rotation structure by leaf spring, and load-bearing rotation structure can be rotated by revolute in bearing support inside in certain angle, and two bearing supports are arranged between the wheel of two, every side respectively.When wheel runs into certain altitude protruding on road surface, the strong point of vehicle body between the wheel of two, side can rise and fall the half controlled in hill height by the design of load-bearing rotation structure, in addition every side two wheels any one take turns in projection stressed, another is taken turns can be stressed equally, force of the breath is distributed on two wheels, adds the reliability of mechanism.
Claims (5)
1. a single shaft four-wheel damping back-wheel drive bridge, is characterized in that: it comprises wheel, vehicle body frame, leaf spring, leaf spring fixed mechanism, first axle housing, first cone tooth spherical shell, second axle housing, wheel dish, diff, 3rd axle housing, axle housing connecting mechanism for rotating, second cone tooth spherical shell, 4th axle housing, universal-joint, axle drive shaft, load-bearing rotation structure, second rotating shaft, 5th axle housing, bearing, first cone tooth coordinates, first rotating shaft, S. A., 3rd rotating shaft, second cone tooth coordinates, bearing support, wherein wheel comprises four wheels, vehicle body two, every side wheel, each wheel has driver train, both sides drive mechanism for wheel is symmetrical with vehicle body Central Symmetry face, two drive mechanism for wheels of every side are symmetrical with these two wheel center planes of symmetry, for one of them drive mechanism for wheel, wheel is arranged on wheel dish by wheel hub, wheel dish is fixed on the second shaft end, second rotating shaft is coordinated by the first cone tooth and is connected with the first rotating shaft, first rotating shaft is arranged on diff and exports one end, 3rd rotating shaft is arranged on diff input end, and the 4th rotating shaft is coordinated by the second cone tooth and is connected with the 3rd rotating shaft, and axle drive shaft is connected with the 4th rotating shaft by universal-joint, second axle housing, the first cone tooth spherical shell, the first axle housing, diff, the 3rd axle housing, axle housing connecting mechanism for rotating, the 4th axle housing, second are bored tooth spherical shell, the 5th axle housing etc. and are fixedly connected sequentially, and the second axle housing, the first cone tooth spherical shell, the first axle housing, the 3rd axle housing and the 4th axle housing, the second cone tooth spherical shell, the 5th axle housing etc. are arranged in the second rotating shaft, the first cone tooth cooperation, the first rotating shaft, the 3rd rotating shaft, the second cone tooth cooperation, the 4th rotating shaft respectively by bearing,
Described bearing support is fixedly mounted on diff upper surface, load-bearing rotation structure is arranged in the groove of bearing support upper end by S. A., leaf spring is arranged on load-bearing rotation structure upper surface by leaf spring fixed mechanism, and vehicle body frame is arranged on leaf spring top by bolt.
2. a kind of single shaft four-wheel damping back-wheel drive bridge according to claim 1, it is characterized in that: described leaf spring fixed mechanism comprises leaf spring fixed link, top board fixed by leaf spring fixed base plate, leaf spring, wherein leaf spring fixed base plate is arranged on load-bearing rotation structure upper surface, leaf spring fixed link is arranged on leaf spring by bolt one end and fixes on top board, and the other end is arranged on leaf spring fixed base plate.
3. a kind of single shaft four-wheel damping back-wheel drive bridge according to claim 1, it is characterized in that: described axle housing connecting mechanism for rotating comprises attachment flange, spacing ring, spacing end face, spacing flange, wherein spacing ring is arranged on the 3rd axle housing end, attachment flange is arranged on the 4th axle housing end, spacing flange is coordinated with attachment flange by bolt, spacing ring one side and the spacing end face moving contact on spacing flange, another side and the moving contact of attachment flange end face.
4. a kind of single shaft four-wheel damping back-wheel drive bridge according to claim 1, is characterized in that: be provided with reinforced rib between described first axle housing, the first cone tooth spherical shell, the second axle housing.
5. a kind of single shaft four-wheel damping back-wheel drive bridge according to claim 1,3, is characterized in that: be added with lubricating oil in described axle housing connecting mechanism for rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392478.8A CN104908544A (en) | 2015-07-07 | 2015-07-07 | Single-shaft four-wheel damping rear wheel driving bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392478.8A CN104908544A (en) | 2015-07-07 | 2015-07-07 | Single-shaft four-wheel damping rear wheel driving bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104908544A true CN104908544A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510392478.8A Pending CN104908544A (en) | 2015-07-07 | 2015-07-07 | Single-shaft four-wheel damping rear wheel driving bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564177A (en) * | 2016-01-14 | 2016-05-11 | 浙江大学昆山创新中心 | Suspension device for wheeled mobile robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5290201A (en) * | 1992-06-11 | 1994-03-01 | Tesker Henry L | Combine with mmoveable body and tandem drive wheels |
| JPH08127210A (en) * | 1994-10-28 | 1996-05-21 | Mitsubishi Motors Corp | Rear suspension for rear wheel two-axle vehicle |
| US7296642B1 (en) * | 2004-02-18 | 2007-11-20 | Dana Corporation | Suspended axle modules for skid steer loaders |
| CN201192975Y (en) * | 2008-07-14 | 2009-02-11 | 湖北世纪中远车辆有限公司 | Strong balancing suspension of vehicle |
| CN102267337A (en) * | 2011-06-09 | 2011-12-07 | 管中林 | Driving axle for all-terrain vehicle |
-
2015
- 2015-07-07 CN CN201510392478.8A patent/CN104908544A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5290201A (en) * | 1992-06-11 | 1994-03-01 | Tesker Henry L | Combine with mmoveable body and tandem drive wheels |
| JPH08127210A (en) * | 1994-10-28 | 1996-05-21 | Mitsubishi Motors Corp | Rear suspension for rear wheel two-axle vehicle |
| US7296642B1 (en) * | 2004-02-18 | 2007-11-20 | Dana Corporation | Suspended axle modules for skid steer loaders |
| CN201192975Y (en) * | 2008-07-14 | 2009-02-11 | 湖北世纪中远车辆有限公司 | Strong balancing suspension of vehicle |
| CN102267337A (en) * | 2011-06-09 | 2011-12-07 | 管中林 | Driving axle for all-terrain vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564177A (en) * | 2016-01-14 | 2016-05-11 | 浙江大学昆山创新中心 | Suspension device for wheeled mobile robot |
| CN105564177B (en) * | 2016-01-14 | 2017-09-12 | 浙江大学昆山创新中心 | Wheeled mobile robot suspension arrangement |
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Application publication date: 20150916 |