CN202175087U - Steering transmission mechanism - Google Patents
Steering transmission mechanism Download PDFInfo
- Publication number
- CN202175087U CN202175087U CN2011202651066U CN201120265106U CN202175087U CN 202175087 U CN202175087 U CN 202175087U CN 2011202651066 U CN2011202651066 U CN 2011202651066U CN 201120265106 U CN201120265106 U CN 201120265106U CN 202175087 U CN202175087 U CN 202175087U
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- gear
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- steering
- chain
- chains
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Abstract
The utility model discloses a steering transmission mechanism which is used for a left wheel and a right wheel of an automobile. The steering transmission mechanism comprises a steering wheel and a direction driving device, wherein the steering wheel is connected with the direction driving device; the steering transmission mechanism further comprises a chain wheel component; the chain wheel component comprises a driving chain wheel, a driven chain wheel and a chain; the chain is arranged between the driving chain wheel and the driven chain wheel; the driving chain wheel and the driven chain wheel are respectively connected with the left wheel and the right wheel; and the direction driving device drives the left wheel and the right wheel to steer by the chain wheel component. The steering transmission mechanism has the advantages that: (1), as the precision of electrically-controlled steering is high, the vertical center lines of four wheels can be guaranteed to intersect at one point, thereby having no the phenomenon that the wheels skid; and (2), the steering angle of the steering transmission mechanism can reach (+/-)90 degrees, thereby decreasing a steering radius, and if steering devices are adopted both at a front part and a back part, the steering transmission mechanism even can transversely translate.
Description
Technical field
The utility model relates to the technical field of steering hardware, specifically, is meant a kind of steering gear.
Background technology
As shown in Figure 1, existing traditional steering hardware, it comprise bearing circle 1 ', direction machine 2 ', connecting rod 3 ', left steering arm 4 ', intermediate rod 5 ', right steering arm 6 ' and stub 7 '; Bearing circle 1 ' drive direction machine 2 '; Direction machine 2 ' through connecting rod 3 ' drive left steering arm 4 ' interlock, left steering arm 4 ' turn to through stub 7 ' drive left tire A, simultaneously; Left steering arm 4 ' advise right steering arm 6 ' motion through intermediate rod 5 ' band follows left tire A to turn to thereby drive right tire B.
With reference to shown in Figure 2, its structural representation when adopting the motor turning of traditional steering hardware, the turn radius of automobile is R; And R is the distance of the automobile longitudinal plane of symmetry to instantaneous center of turn O; L is a wheelbase, and K is the distance of two front-wheel main pin axis, and β is an outside steering wheel angle.Then R is approximately L/sin β.As shown in Figure 1, during turning, rotary middle point is on the extended line of trailing wheel vertical line, and R is bigger for its turn radius, the poor-performing that low speed is turned.
The shortcoming of above-mentioned conventional steering mechanism is, one, owing to reasons such as Ackerman steering mechanism, horizontal tie-bar moment and trailing wheel servo-actuateds, cause steering angle less (definition of steering angle is as above), and turn radius is bigger; Two, owing to the control accuracy problem of mechanical steering, can not guarantee that the vertical center line of four wheels intersects at a point, thereby cause the phenomenon of tyre skidding.
The utility model content
The utility model technical matters to be solved is to provide a kind of steering gear, and its turn radius is little, no tyre skidding phenomenon.
For realizing above-mentioned purpose, the utility model is achieved in that
A kind of steering gear; The left and right wheels that is used for automobile, it includes bearing circle and direction actuating device, and described bearing circle links to each other with described direction actuating device; It also further includes chain wheel assembly; Described chain wheel assembly comprises head sprocket, from sprocket wheel and chain, described chain is located at described head sprocket and between sprocket wheel, described head sprocket with link to each other with described left and right wheels respectively from sprocket wheel; Described direction actuating device drives described left and right wheels and turns to through described chain wheel assembly.
Preferably; Above-mentioned steering gear, it also further includes steerage gear controller, actuating device and adjusting device for chains, and described adjusting device for chains is located on the described chain; Described steerage gear controller receives described bearing circle, GES; It is handled and send control information give described actuating device, drive described adjusting device for chains, be used for the length of the both sides, front and back of described chain is dynamically controlled through described actuating device.
Preferably, above-mentioned head sprocket is provided with rotary angle transmitter, and the signal of described rotary angle transmitter sends described steerage gear controller to.
Preferably, above-mentioned is provided with rotary angle transmitter from sprocket wheel, and the signal of described rotary angle transmitter sends described steerage gear controller to.
Preferably, above-mentioned actuating device is a motor.
Preferably, above-mentioned adjusting device for chains comprises gear assembly, gear wheel shaft and screw mandrel, and an end and the chain of described screw mandrel are rigidly connected, and the other end of described screw mandrel is connected with the threaded one end of described gear wheel shaft; Described gear wheel shaft and described gear assembly are rigidly connected.
Preferably, above-mentioned gear assembly, it includes driving gear and driven gear, and described driving gear is meshed with driven gear, and described driven gear and described gear wheel shaft are rigidly connected.
Preferably, above-mentioned adjusting device for chains also further includes baffle plate, and described baffle plate is two, is located at the both sides of described driven gear respectively.
Preferably; Above-mentioned adjusting device for chains comprises transition wheels, screw mandrel and bracing frame, and described transition wheels comprise first transition wheel and second transition wheel, and described screw mandrel and described first transition wheel set firmly; Described bracing frame and described second transition wheel set firmly; One bogie side frame of chain is located on described first transition wheel, and the opposite side of chain is erected on described second transition wheel, and described screw mandrel links to each other with described bracing frame screw thread.
Preferably, above-mentioned adjusting device for chains also further includes slideway, and described bracing frame is located in the described slideway.
After adopting technique scheme, during use, the chaufeur steering wheel rotation is given the direction machine actuating device with the bearing circle signal conveys of chaufeur, and when turning left, turning to the revolver is benchmark; When turning right; Turning to right side wheel is benchmark; Drive sprocket turns to; Simultaneously another road steerage gear controller can according to the bearing circle signal of chaufeur, GES etc., left front rotary angle transmitter signal and right front rotary angle transmitter signal be sampled, computing and control algorithm draw control signal and give actuating device, thereby the control adjusting device for chains makes the length of chain and the steering position of sprocket wheel carry out dynamic adjustments, accomplishes the control that turns under all operating modes.The advantage of the utility model is: one, because the automatically controlled precision that turns to is high, can guarantees that the vertical center line of four wheels intersects at a point, thereby not have the phenomenon of tyre skidding; Two, the steering angle of this device can reach ± 90 degree, thereby turn radius is diminished, if this steering hardware is all adopted in front and back, even can transverse translation.
Description of drawings
Fig. 1 is the conventional steering structural representation;
Structural representation when Fig. 2 is traditional motor turning;
Fig. 3 is the structural representation of the utility model;
Fig. 4 is embodiment one scheme drawing of the utility model adjusting device for chains;
Fig. 5 is the utility model screw mandrel and the scheme drawing that is connected of gear wheel shaft;
Fig. 6 is the structural representation that the utility model adopts adjusting device for chains shown in Figure 4;
Fig. 7 uses the scheme drawing of the vehicle of the utility model at normal mode;
Fig. 8 uses the scheme drawing of the vehicle of the utility model at transverse mode;
Fig. 9 is at the scheme drawing of rotary mode when using the vehicle of the utility model;
Figure 10 uses the scheme drawing of the vehicle of the utility model at low-speed mode;
Figure 11 uses the scheme drawing of the vehicle of the utility model at fast mode;
Figure 12 is the scheme drawing of the embodiment two of the utility model adjusting device for chains;
Figure 13 is the partial enlarged drawing of Figure 12;
Figure 14 is the structural representation of the utility model embodiment two.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment one:
As shown in Figure 3; The utility model discloses a kind of steering gear; The left and right wheels A, the B that are used for automobile, it includes bearing circle 1, steerage gear controller 2, direction actuating device 3, actuating device 4, chain wheel assembly 5, adjusting device for chains 6 and sensor, wherein:
The GES of steerage gear controller 2 receive direction dishes 1, sensor is handled and is sent control information to it and gives actuating device 4 and direction actuating device 3, and steerage gear controller 2 is electrically connected with direction actuating device 3 and actuating device 4;
Direction actuating device 3, drive sprocket assembly 5 rotates, thereby drives left and right wheels A, B turns to.
Actuating device 4 links to each other with adjusting device for chains 6 through mechanical system, is the power resources of adjusting device for chains 6.In the present embodiment, this actuating device 4 is a motor.
Chain wheel assembly 5 comprises head sprocket 51, from sprocket wheel 52 and chain 53, chain 53 is located at head sprocket 51 and from 52 on sprocket wheel, head sprocket 51 with link to each other with left and right wheels A, B respectively from sprocket wheel 52.
Sensor comprises left front rotary angle transmitter 71 and right front rotary angle transmitter 72, is located at head sprocket 51 respectively, from sprocket wheel 52.The signal of left front rotary angle transmitter 71 and right front rotary angle transmitter 72 sends steerage gear controller 2 to.
With reference to shown in Figure 4, in the present embodiment, adjusting device for chains 6, it comprises gear assembly 61, gear wheel shaft 62, screw mandrel 63 and baffle plate 64, wherein:
Cooperate shown in Figure 5, gear wheel shaft 62, it is provided with two, is respectively gear wheel shaft 621,622, gear wheel shaft 621 is rigidly connected with driven gear 612, in the present embodiment, gear wheel shaft 621 is connected with driven gear 612 employing splines; Gear wheel shaft 622 is rigidly connected with driven gear 613, and in the present embodiment, gear wheel shaft 622 adopts spline to be connected with driven gear 613.
Cooperate shown in Figure 4; Screw mandrel 63; It includes screw mandrel 631,632,633,634, and an end of screw mandrel 631 and a side of chain 53 are rigidly connected, and the other end is connected with the threaded one end of gear wheel shaft 621; One end of screw mandrel 632 and a side of chain 53 are rigidly connected, and the other end is threaded with the other end of gear wheel shaft 621; One end of screw mandrel 633 and the opposite side of chain 53 are rigidly connected, and the other end is connected with the threaded one end of gear wheel shaft 622, and an end of screw mandrel 634 and the opposite side of chain 53 are rigidly connected, and the other end is threaded with the other end of gear wheel shaft 622.
With reference to shown in Figure 6, during use, the rate speed signal of steerage gear controller 2 receive direction dishes 1, sensor is handled and is sent control information to it and gives actuating device 4 and direction actuating device 3; Direction actuating device 3 turns to through chain wheel assembly 5 driving left and right wheels A, B, and simultaneously, driving gear 611 is under the drive of actuating device 4; Drive driven gear 612 and rotate, driven gear 612 is rigidly connected with gear wheel shaft 621, therefore; Gear wheel shaft 621 also and then rotates together, owing to screw mandrel 631,632 is threaded with gear wheel shaft 621, therefore; The rotation of gear wheel shaft 621 drive screw mandrel 631,632 in it or outer mobile, and a side of chain 53 and screw mandrel 631,632 is rigidly connected; Therefore, chain 53 can to the inside of gear wheel shaft 621 or outside move, thereby regulate the length of chain 53 these sides.Simultaneously, driven gear 612 drives driven gear 613 and rotates, and gear wheel shaft 622 also follows driven gear 613 to rotate together; Screw mandrel 633,634 is threaded with gear wheel shaft 622; And the opposite side of screw mandrel 633,634 and chain 53 is rigidly connected, therefore; The opposite side of chain 53 also to the inside of gear wheel shaft 622 or outside move, thereby the length of regulating chain 53 opposite sides.
With reference to shown in Figure 4, baffle plate 64 is two, is located at the both sides of driven gear 612,613 respectively.
The utility model steering gear has following operating mode in use:
With reference to shown in Figure 7; It is for using the scheme drawing of vehicle under normal mode of the utility model; Turn left and when turning right about front-wheel have steering angle poor, the back two-wheeled adopts the trailing wheel that does not turn in the orthodox car, and guarantee rotary middle point with the perpendicular line of trailing wheel on.
With reference to shown in Figure 8; It is for using the scheme drawing of vehicle under transverse mode of the utility model; The front two-wheeled all uses the steering gear of this device respectively with the back two-wheeled, as long as guarantee that adjusting device for chains 6 front and back side length are the same, controls direction machine controlling and driving then and becomes 90 ° corner; Reach the function of side travel
With reference to shown in Figure 9; It is to use the scheme drawing of the vehicle of the utility model at rotary mode; Utilize two these devices of cover to form four-wheel steering mechanism and can realize the geometric center point of centre of gration O for vehicle, promptly its geometric center point with vehicle is rotated mobile situation.
With reference to shown in Figure 10; It is to use the scheme drawing of the vehicle of the utility model at low-speed mode; Front two-wheeled and back two-wheeled all use the steering gear of this device respectively, form four-wheel steering mechanism, can realize the situation that low speed turn radius shown in figure 10 diminishes.
With reference to shown in Figure 11; It is to use the scheme drawing of the vehicle of the utility model at fast mode; Front two-wheeled and back two-wheeled all use the steering gear of this device respectively, only form four-wheel steering mechanism, can realize that tempo turn radius shown in figure 11 becomes big situation.
Except that more than several kinds of operating modes, the steering gear of this device can also be realized that vehicle is oblique and go and around advantages such as any center-point rotations; In addition, compare with the conventional steering device, the steering gear of this device also possesses the control accuracy height, and real-time response is fast to be controlled on the some phenomenon that no wheel slides with assurance four wheels centre of gration.
Embodiment two:
Compare with embodiment one, its difference is, adjusting device for chains 6 differences.In the present embodiment, adjusting device for chains 6 comprise transition wheels 61 ', screw mandrel 62 ', bracing frame 63 ' and slideway 64 ', wherein:
Transition wheels 61 ' comprise first transition wheel 611 ', second transition wheel 612 ' and small offence ferry boat group 613 ', in the present embodiment, small offence ferry boat group 613 ' include small offence ferry boat 6131 ', 6132 ', 6133 ', 6134 '; One bogie side frame of chain 53 be located at first transition wheel 611 ' on, opposite side be erected at second transition wheel 612 ' on, small offence ferry boat 6131 ', 6132 ' be located at first transition wheel 611 ' both sides, and it is pressed on the side of chain 53; Small offence ferry boat 6133 ', 6134 ' be located at second transition wheel 612 ' both sides, and it is pressed on the opposite side of chain 53.
In the present embodiment; Screw mandrel 62 ' an end set firmly mutually with engine installation 4; It can rotate under the drive of engine installation 4, screw mandrel 62 ' with first transition wheel 611 ' set firmly, with reference to shown in Figure 13; Screw mandrel 62 ' the other end be provided with screw thread 621 ', its with bracing frame 63 ' negative thread 631 ' match.
Bracing frame 63 ' an end and second transition wheel 612 ' set firmly, the other end be provided with negative thread 631 '.
Slideway 64 ', be located at bracing frame 63 ' the below, that is, and bracing frame 63 ' be located at slideway 64 ' in.
During use, with reference to shown in Figure 14, engine installation 4 drives screw mandrel 62 ' rotations, thereby makes screw mandrel 62 ' in bracing frame 63 ' interior turnover, shorten or prolong first transition wheel 611 ', second transition wheel 612 ' between distance, that is, play the effect of dynamic adjustments chain.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. steering gear; The left and right wheels that is used for automobile, it includes bearing circle and direction actuating device, and described bearing circle links to each other with described direction actuating device; It is characterized in that: it also further includes chain wheel assembly; Described chain wheel assembly comprises head sprocket, from sprocket wheel and chain, described chain is located at described head sprocket and between sprocket wheel, described head sprocket with link to each other with described left and right wheels respectively from sprocket wheel; Described direction actuating device drives described left and right wheels and turns to through described chain wheel assembly.
2. steering gear as claimed in claim 1; It is characterized in that: it also further includes steerage gear controller, actuating device and adjusting device for chains; Described adjusting device for chains is located on the described chain; Described steerage gear controller receives described bearing circle, GES; It is handled and send control information give described actuating device, drive described adjusting device for chains, be used for the length of the both sides, front and back of described chain is dynamically controlled through described actuating device.
3. steering gear as claimed in claim 2 is characterized in that: described head sprocket is provided with rotary angle transmitter, and the signal of described rotary angle transmitter sends described steerage gear controller to.
4. like claim 2 or 3 described steering gears, it is characterized in that: describedly be provided with rotary angle transmitter from sprocket wheel, the signal of described rotary angle transmitter sends described steerage gear controller to.
5. steering gear as claimed in claim 2 is characterized in that: described actuating device is a motor.
6. like claim 2 or 5 described steering gears; It is characterized in that: described adjusting device for chains comprises gear assembly, gear wheel shaft and screw mandrel; One end and the chain of described screw mandrel are rigidly connected, and the other end of described screw mandrel is connected with the threaded one end of described gear wheel shaft; Described gear wheel shaft and described gear assembly are rigidly connected.
7. steering gear as claimed in claim 6 is characterized in that: described gear assembly, and it includes driving gear and driven gear, and described driving gear is meshed with driven gear, and described driven gear and described gear wheel shaft are rigidly connected.
8. steering gear as claimed in claim 6 is characterized in that: described adjusting device for chains also further includes baffle plate, and described baffle plate is two, is located at the both sides of described driven gear respectively.
9. like claim 2 or 5 described steering gears; It is characterized in that: described adjusting device for chains comprises transition wheels, screw mandrel and bracing frame; Described transition wheels comprise first transition wheel and second transition wheel; Described screw mandrel and described first transition wheel set firmly, and described bracing frame and described second transition wheel set firmly, and a bogie side frame of chain is located on described first transition wheel; The opposite side of chain is erected on described second transition wheel, and described screw mandrel links to each other with described bracing frame screw thread.
10. steering gear as claimed in claim 9 is characterized in that: described adjusting device for chains also further includes slideway, and described bracing frame is located in the described slideway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202651066U CN202175087U (en) | 2011-07-25 | 2011-07-25 | Steering transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202651066U CN202175087U (en) | 2011-07-25 | 2011-07-25 | Steering transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202175087U true CN202175087U (en) | 2012-03-28 |
Family
ID=45864988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202651066U Withdrawn - After Issue CN202175087U (en) | 2011-07-25 | 2011-07-25 | Steering transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202175087U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320328A (en) * | 2011-07-25 | 2012-01-18 | 深圳职业技术学院 | Steering driving mechanism |
| CN106114613A (en) * | 2016-07-26 | 2016-11-16 | 钦州学院 | The transfer flexibly turned to based on electric magnet |
| CN106143605A (en) * | 2015-03-31 | 2016-11-23 | 比亚迪股份有限公司 | Wheel steering mechanism, wheel steering system and vehicle |
| CN107639988A (en) * | 2016-07-20 | 2018-01-30 | 郑庆华 | Front wheels of motor-vehicles can upright bounce independent suspension mechanism and steering mechanism |
| CN108382423A (en) * | 2018-03-27 | 2018-08-10 | 苏州奥兰迪尔自动化设备有限公司 | A kind of workshop low-angle steering transport vehicle |
| CN109733463A (en) * | 2018-12-18 | 2019-05-10 | 盐城汇金科技信息咨询服务有限公司 | A kind of wheel steering mechanism of automatically guiding trolley and implementation method |
-
2011
- 2011-07-25 CN CN2011202651066U patent/CN202175087U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320328A (en) * | 2011-07-25 | 2012-01-18 | 深圳职业技术学院 | Steering driving mechanism |
| CN102320328B (en) * | 2011-07-25 | 2013-10-30 | 深圳职业技术学院 | Steering driving mechanism |
| CN106143605A (en) * | 2015-03-31 | 2016-11-23 | 比亚迪股份有限公司 | Wheel steering mechanism, wheel steering system and vehicle |
| CN107639988A (en) * | 2016-07-20 | 2018-01-30 | 郑庆华 | Front wheels of motor-vehicles can upright bounce independent suspension mechanism and steering mechanism |
| CN106114613A (en) * | 2016-07-26 | 2016-11-16 | 钦州学院 | The transfer flexibly turned to based on electric magnet |
| CN108382423A (en) * | 2018-03-27 | 2018-08-10 | 苏州奥兰迪尔自动化设备有限公司 | A kind of workshop low-angle steering transport vehicle |
| CN109733463A (en) * | 2018-12-18 | 2019-05-10 | 盐城汇金科技信息咨询服务有限公司 | A kind of wheel steering mechanism of automatically guiding trolley and implementation method |
| CN109733463B (en) * | 2018-12-18 | 2020-10-30 | 福州兴创云达新材料科技有限公司 | Wheel steering mechanism for automatically guiding trolley and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120328 Effective date of abandoning: 20131030 |
|
| RGAV | Abandon patent right to avoid regrant |