CN101219677B - Steering wheel driving system of diamond-type vehicle - Google Patents
Steering wheel driving system of diamond-type vehicle Download PDFInfo
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- CN101219677B CN101219677B CN2008100305644A CN200810030564A CN101219677B CN 101219677 B CN101219677 B CN 101219677B CN 2008100305644 A CN2008100305644 A CN 2008100305644A CN 200810030564 A CN200810030564 A CN 200810030564A CN 101219677 B CN101219677 B CN 101219677B
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- wheel hub
- steering
- wheel
- end piece
- universal joint
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Abstract
The invention relates to a diamond vehicle steering wheel driving system, comprising that two ends of a steering master pin arranged at the middle part of a lateral axis are connected with a steering knuckle which can rotate around an axis thereof; a wheel hub is arranged on the steering knuckle through a pair of supporting bearings; a spoke on one side of a wheel rim is fixed on one side of the wheel hub; a shell of a decelerator inside a cavity of the wheel rim consists of a left shell and a right shell; the left shell is fixedly connected with the steering knuckle, and the right shell is equipped on an external ring of the wheel hub through a bearing; one end of an inner half shaft inside the shell of the decelerator is linked with the wheel hub through a gear deceleration transmission pair, and the other end of the inner half shaft is connected with an end of a first constant speed universal joint of a ball cage; the other end of the first constant speed universal joint of a ball cage is connected with one end of a retractile outer half shaft; the other end of the retractile outer half shaft is connected with one end of a second constant speed universal joint of a ball cage. The invention can realize constant speed transmission of movement without interference of a transmission structure; the invention has large angle steering capability, beneficial for improving the road clearance of the vehicle.
Description
Technical field
The present invention relates to the wheel limit drive system of a kind of motor vehicle wheel limit drive system, particularly rhombus car list wheel flutter.
Background technology
Existing Vehicular turn drive axle is made of main reduction gear, diff, semiaxis, universal-joint, steering swivel, stub etc., power is delivered to left and right wheels by transmission shaft, diff, semiaxis, universal-joint etc. successively, is suitable for the front-wheel of two wheels of left-right symmetric installation on the wheel shaft.For the application of having only one to turn to drive wheel on the wheel shaft, respectively has only a rhombus chassis vehicle that turns to drive wheel as the front and back wheel shaft, there are the following problems for existing steering drive axle: singly turn to the suspension of drive wheel and steering hardware from wheel fight, suspension is stressed, steering hardware is handled two fork suspensions that many-sided consideration should be adopted symmetrical pair of pitch structure (seeing patent of invention CN101037116A) or be similar to motorcycle front-wheel, main pin axis is in the vertical symmetrical plane of wheel, one is supported transverse axis and runs through wheel center and stub, occupied conventional steering drive axle universal-joint, the position of inside and outside semiaxis, existing steering drive axle is inapplicable fully.
Summary of the invention
The technical problem to be solved in the present invention is, deficiency at the prior art existence, a kind of steering wheel driving system of diamond-type vehicle is proposed, it is suitable for the drive system that singly turns to drive wheel of rhombus car, make power import wheel hub, and the employing wheel reduction gear reach the traditional main reduction gear of replacement and improve the purpose of ground Clearance by transmission shaft.
The technical solution used in the present invention is, consisting of of described steering wheel driving system of diamond-type vehicle, the two ends that are contained in the steering yoke bolt in the kingpin bore of transverse axis middle part can be rotated around described kingpin axis with steering swivel connection and this steering swivel, wheel hub is installed on the described steering swivel through a pair of backup bearing, and the spoke bolt up of wheel rim one side is in described wheel hub one side; The reducer shell that is arranged in described wheel rim inner chamber connects into integral body by left side housing and right side housing, and described left side housing with bolt with the respective side captive joint of described steering swivel described right side housing through bearing installation on described wheel hub outer ring, its constructional feature is, the end that inner shaft is arranged in described reducer shell connects with described wheel hub through the gear reduction transmission, and the other end of this inner shaft connects with an end of first ball-cage constant velocity universal joint; The other end of this first ball-cage constant velocity universal joint connects with an end of scalable outer semiaxis, and the other end of this scalable outer semiaxis connects with an end of second ball-cage constant velocity universal joint.
Below the present invention made further specify.
Referring to Fig. 1, consisting of of steering wheel driving system of diamond-type vehicle of the present invention, the two ends that are contained in the steering yoke bolt 16 in the transverse axis 18 middle part kingpin bores can be around described steering yoke bolt 16 rotational with steering swivel 15 connections and this steering swivel 15, wheel hub 12 is installed on the described steering swivel 15 through a pair of backup bearing 14, and spoke 13 bolt ups of wheel rim 21 1 sides are in described wheel hub 12 1 sides; The reducer shell that is arranged in described wheel rim 21 inner chambers connects into integral body by left side housing 8 and right side housing 9, and described right side housing 9 is installed on described wheel hub 12 outer rings through bearing 10 described left side housing 8 usefulness bolts with the respective side captive joint of described steering swivel 15, its constructional feature is, the end that inner shaft 7 is arranged in described reducer shell connects with described wheel hub 12 through the gear reduction transmission, and the other end of this inner shaft 7 connects with an end of first ball-cage constant velocity universal joint 6; The other end of this first ball-cage constant velocity universal joint 6 connects with an end of scalable outer semiaxis 20, and the other end of this scalable outer semiaxis 20 connects with an end of second ball-cage constant velocity universal joint.
Described gear reduction transmission is arranged in forming with meshing than big gear wheel of described wheel hub 12 peripheries than miniature gears on described reducer shell one end by inner shaft 7.
In order to improve the ground Clearance of vehicle, preferably make to be positioned at the top than big gear wheel of described wheel hub 12 peripheries than miniature gears on described inner shaft 7 one ends, make described outer semiaxis also be positioned at the higher position thus.
A kind of structure of described scalable outer semiaxis 20 is, it is made up of inner end piece 4 and outer end piece 3, and an end of inner end piece 4 is plugged in the end of outer end piece 3 and connect and can make this inner end piece 4 rotate and can move axially by described relatively outer end piece 3 with described outer end piece 3 with spline.
In the said structure of the present invention, by described second ball-cage constant velocity universal joint 2, scalable outer semiaxis 20, inner shaft 7, the described composition taking turns the limit drive system than miniature gears and the hub reduction mechanism (gear reduction transmission) that forms than big gear wheel, wheel hub 12, steering yoke bolt 16, steering swivel 15, transverse axis 18 etc.; Power is delivered to inner shaft 7 by described outer semiaxis through universal-joint, the engagement of big gear wheel on miniature gears on the inner shaft 7 and the wheel hub 12, with transmission of power to wheel hub 12; Wheel hub 12 is installed on the steering swivel 15 by a pair of tapered roller bearing (being backup bearing 14); Spoke 13 and brake disc 11 by bolted on wheel hub 12.Reducer shell is divided into left side housing 8 and right side housing 9 two parts, and left side housing 8 is by being bolted on the steering swivel 15, and right side housing 9 is installed in the wheel hub outer ring via bearing 10, and left side housing 8 and right side housing 9 constitute integral body by bolted.
Described scalable outer semiaxis is for axially scalable, should form by outer end piece 3 and inner end piece 4 grafting by outer semiaxis, outer end piece 3 connects transmission shaft 1 by second ball-cage constant velocity universal joint 2, and inner end piece 4 connects with outer end piece 3 by spline, also can be stretched vertically by the spline transferring power.The inner end piece 4 of outer semiaxis connects inner shaft 7 by first ball-cage constant velocity universal joint 6; When Vehicular turn, first ball-cage constant velocity universal joint, 6 and second ball-cage constant velocity universal joint 2 rotates to stub 16 rotations, make described outer semiaxis relative transmission shaft 1, two angles of inner shaft 7 corresponding formation respectively, utilize this two universal-joints, make rotating speed 7 obtain constant-speed transmission from transmission shaft 1 to inner shaft.Because of described first ball-cage constant velocity universal saves 6 centers not on the axis of steering yoke bolt 16, the width between centers of two universal-joints changes described in the steering procedure, the length automatic compensation of outer semiaxis makes these the outer semiaxis two ends and first ball-cage constant velocity universal joint 6 and second ball-cage constant velocity universal joint 2 keep normal engaged.
Described inner shaft 7 and constitute wheel reduction gear than miniature gears, wheel hub 12 and than big gear wheel, reducer shell, bearing 10, backup bearing 14 etc.; Wherein, left side housing 8 directly is fastened on the steering swivel 15 by bolt, and its unique motion is to rotate with steering swivel 15 to rotate to stub 16, and right side housing 9 is installed on the wheel hub 12 by housings support bearing 10.Inner shaft 7 is installed on the reducer shell by pair of bearings 17, with big gear wheel engagement on the wheel hub 12, with transmission of power to wheel hub 12.The type of gear can be a straight-tooth, also can adopt helical teeth for improving intensity.Wheel hub 12 is installed on the steering swivel 15 by a pair of backup bearing 14, rotates with steering swivel 15 and rotates to stub 16, can rotate around steering swivel 15 axis (being wheel axis) simultaneously, produces the rolling of wheel.
The described pair that turns to can be the prior art structure, and it is made of transverse axis 18, steering yoke bolt 16, steering swivel 15.Transverse axis 18 two ends and irs control arm are hinged, and there is a taper kingpin bore that cooperates with steering yoke bolt 16 at transverse axis 18 centers.Transverse axis 18 keeps the center of oscillation rotation of level around irs control arm only, can be similar to regard as to swing up and down.Transverse axis 18 connects with steering swivel 15 by steering yoke bolt 16, and steering swivel 15 is diverted the rod member pulling around stub 16 rotations, produces the wheel steering motion.
Wheel hub 12 is fastening by bolt and spoke 13, and wheel rim 19 constitutes wheel rim 21 with spoke 13 for one, and transmission of power is to wheel rim 19 and tire.For realizing braking, brake disc 11 and this brake disc 11 bolt ups can be installed on wheel hub 12 between wheel hub 12 and spoke 13.Brake cylinder is installed can be on reducer shell, and the brake-force transmission route is reducer shell, steering swivel 15, steering yoke bolt 16, transverse axis 18, irs control arm, vehicle frame.
As known from the above, the present invention is a kind of steering wheel driving system of diamond-type vehicle, and it compared with prior art has following advantage:
A. adopt two ball-cage constant velocity universal joints and telescopic outer semiaxis, can realize the constant-speed transmission of motion when making the universal-joint center not on kingpin axis, drive mechanism does not have interference, and has the wide-angle steering capability.
B. adopt wheel side speed reducer, cancel traditional main reduction gear, make outer semiaxis center above wheel center, help improving the ground Clearance of vehicle.
Description of drawings
Fig. 1 is the sectional structure chart of an embodiment of the present invention, in the drawings:
The 1-transmission shaft, 2-second ball-cage constant velocity universal joint, the 3-outer end piece,
The 4-inner end piece, the 5-corrugated cover, 6-first ball-cage constant velocity universal joint,
The 7-inner shaft, 8-left side housing, 9-right side housing,
The 10-bearing, the 11-brake disc, the 12-wheel hub,
The 13-spoke, the 14-backup bearing, the 15-steering swivel,
The 16-steering yoke bolt, the 17-bearing, the 18-transverse axis,
The 19-wheel rim, 20-is collapsible outer semiaxis, 21-wheel rim.
The specific embodiment
As shown in Figure 1, consisting of of steering wheel driving system of diamond-type vehicle of the present invention: the two ends that are contained in the steering yoke bolt 16 in the transverse axis 18 middle part kingpin bores can be around described steering yoke bolt 16 rotational with steering swivel 15 connections and this steering swivel 15, wheel hub 12 is installed on the described steering swivel 15 through a pair of backup bearing 14, and spoke 13 bolt ups of wheel rim 21 1 sides are in described wheel hub 12 1 sides; The reducer shell that is arranged in described wheel rim 21 inner chambers connects into integral body by left side housing 8 and right side housing 9, and described right side housing 9 is installed on described wheel hub 12 outer rings through bearing 10 described left side housing 8 usefulness bolts with the respective side captive joint of described steering swivel 15, inner shaft 7 is arranged in described reducer shell one end and connects with described wheel hub 12 through the gear reduction transmission, and the other end of this inner shaft 7 connects with an end of first ball-cage constant velocity universal joint 6; The other end of this first ball-cage constant velocity universal joint 6 connects with an end of scalable outer semiaxis 20, and the other end of this scalable outer semiaxis 20 connects with an end of second ball-cage constant velocity universal joint.
Described gear reduction transmission is arranged in forming with meshing than big gear wheel of described wheel hub 12 peripheries than miniature gears on described reducer shell one end by inner shaft 7.In order to improve the ground Clearance of vehicle, make to be positioned at the top than big gear wheel of described wheel hub 12 peripheries than miniature gears on described inner shaft 7 one ends, described outer semiaxis also is correspondingly positioned at the higher position.
Described scalable outer semiaxis 20 is made up of inner end piece 4 and outer end piece 3, and an end of inner end piece 4 is plugged in the end of outer end piece 3 and connect and form and can make this inner end piece 4 rotate and can move axially by described relatively outer end piece 3 with described outer end piece 3 with spline.
For realizing braking, brake disc 11 and this brake disc 11 bolt ups can be installed on wheel hub 12 between wheel hub 12 and spoke 13.
Claims (3)
1. steering wheel driving system of diamond-type vehicle, consisting of of it, the same steering swivels in two ends (15) connection and this steering swivel (15) of being contained in the steering yoke bolt (16) in the kingpin bore of transverse axis (18) middle part can be around described steering yoke bolt (16) rotational, wheel hub (12) is installed on the described steering swivel (15) through a pair of backup bearing (14), and spoke (13) bolt up of wheel rim (21) one sides is in described wheel hub (12) one sides; The reducer shell that is arranged in described wheel rim (21) inner chamber connects into integral body by left side housing (8) and right side housing (9), and described right side housing (9) is installed on described wheel hub (12) outer ring through bearing (10) described left side housing (8) with the respective side captive joint of described steering swivel (15) with bolt, it is characterized in that, the end that inner shaft (7) is arranged in described reducer shell connects with described wheel hub (12) through the gear reduction transmission, and the other end of this inner shaft (7) connects with an end of first ball-cage constant velocity universal joint (6); The other end of this first ball-cage constant velocity universal joint (6) connects with an end of scalable outer semiaxis (20), and the other end of this scalable outer semiaxis (20) connects with an end of second ball-cage constant velocity universal joint; Described gear reduction transmission being made up of with meshing than big gear wheel B of described wheel hub (12) periphery the less gear A that inner shaft (7) is arranged on described reducer shell one end; Described inner shaft (7) is arranged in the top than big gear wheel B that less gear A on described reducer shell one end is positioned at described wheel hub (12) periphery.
2. according to the described steering wheel driving system of diamond-type vehicle of claim 1, it is characterized in that, described scalable outer semiaxis (20) is made up of inner end piece (4) and outer end piece (3), and an end of inner end piece (4) is plugged in the end of outer end piece (3) and should be connected with spline with outer end piece the inner, and described inner end piece (4) is rotated and can be moved axially by described relatively outer end piece (3) with described outer end piece (3).
3. according to the described steering wheel driving system of diamond-type vehicle of claim 1, it is characterized in that, brake disc (11) and this brake disc (11) bolt up are installed on wheel hub (12) between described wheel hub (12) and spoke (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100305644A CN101219677B (en) | 2008-01-30 | 2008-01-30 | Steering wheel driving system of diamond-type vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100305644A CN101219677B (en) | 2008-01-30 | 2008-01-30 | Steering wheel driving system of diamond-type vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219677A CN101219677A (en) | 2008-07-16 |
| CN101219677B true CN101219677B (en) | 2010-06-09 |
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ID=39629828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100305644A Expired - Fee Related CN101219677B (en) | 2008-01-30 | 2008-01-30 | Steering wheel driving system of diamond-type vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101219677B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343932B (en) * | 2010-08-06 | 2013-04-03 | 江苏雅迪科技发展有限公司 | Steering mechanism of power car |
| CN103448816A (en) * | 2013-08-06 | 2013-12-18 | 西北农林科技大学 | Micro proper-time four-wheel-driven agricultural transport vehicle for use in hilly and mountain areas |
| CN112324866A (en) * | 2020-12-11 | 2021-02-05 | 福州大学 | Wheel hub driving single-stage nutation speed reducer for electric car and transmission method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597415A (en) * | 2004-07-30 | 2005-03-23 | 湖南大学 | Rhombic carriage supporting steering mechanism |
| CN2712764Y (en) * | 2004-07-30 | 2005-07-27 | 湖南大学 | Rhombus analogous vehicle chassis |
| CN101037116A (en) * | 2007-04-30 | 2007-09-19 | 湖南大学 | Rhombus suspended frame for changing direction of vehicle |
-
2008
- 2008-01-30 CN CN2008100305644A patent/CN101219677B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597415A (en) * | 2004-07-30 | 2005-03-23 | 湖南大学 | Rhombic carriage supporting steering mechanism |
| CN2712764Y (en) * | 2004-07-30 | 2005-07-27 | 湖南大学 | Rhombus analogous vehicle chassis |
| CN101037116A (en) * | 2007-04-30 | 2007-09-19 | 湖南大学 | Rhombus suspended frame for changing direction of vehicle |
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| Publication number | Publication date |
|---|---|
| CN101219677A (en) | 2008-07-16 |
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Granted publication date: 20100609 Termination date: 20140130 |