CN201619600U - Mechanical transfer steering system for front and rear axles - Google Patents
Mechanical transfer steering system for front and rear axles Download PDFInfo
- Publication number
- CN201619600U CN201619600U CN2009202976501U CN200920297650U CN201619600U CN 201619600 U CN201619600 U CN 201619600U CN 2009202976501 U CN2009202976501 U CN 2009202976501U CN 200920297650 U CN200920297650 U CN 200920297650U CN 201619600 U CN201619600 U CN 201619600U
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- China
- Prior art keywords
- steering
- axle
- power steer
- swivel system
- mechanical transfer
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a steering system for mechanical transmission of a front axle and a rear axle of a three-axle automobile with a non-steering middle axle, which is characterized in that the steering system adopts a steering and driving transfer case to transmit steering motion input by a steering wheel to a front axle power steering machine and a rear axle power steering machine respectively through a front steering transmission shaft and a rear steering transmission shaft, and the front axle power steering machine and the rear axle power steering machine drive the steering directions of a front wheel and a rear wheel. The steering system transmits the steering motion of the front axle to the rear axle according to the set proportion to make the steering directions of the front wheel and the rear wheel reverse, thereby achieving the minimum turning radius, improving maneuverability, and reducing the abrasion of tyres. The steering system has the advantages of simple structure, easy arrangement, high efficiency, accurate transmission and flexible steering, and is suitable for the three-axle automobile with non-steering middle axle.
Description
Technical field
The utility model relates to automobile steering system, relates in particular to the steering swivel system of a kind of front and back bridge with mechanical transfer, is used for the three bridge automobiles that jackshaft does not turn to.
Background technology
Modern multi-axle automobile reduces turn radius in order to improve manoevreability, reduces wear on tyres simultaneously, often adopts multi-axle steering system.Turning to of the active steering bridge of multi-axle automobile (normally first bridge) usually by the power steer direct drive, receive divertical motion and the divertical motion of driven steeraxle is the pivoted arm that turns to from the active steering bridge at present substantially, finish by the transmission of a series of connecting rods, pivoted arm.This steering swivel system complex structure, it is difficult to arrange, and efficient is low.Special far away from the active steering bridge when driven steeraxle, when the intermediate conveyor space was very little, very tortuous, problem was more outstanding.Also easily because of transmit force is big, Transmission is yielding and cause the driven hysteresis phenomenon that turns to.
The utility model content
The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, propose a kind of simple in structure, arrange easily, the jackshaft that transmission accurately, efficient is high does not turn to the steering swivel system of the front and back bridge of three bridge automobiles with mechanical transfer, make it be transferred to back axle to the a/s ratio of the divertical motion of propons, make the front and back wheel counterturn.
For achieving the above object, the utility model adopts following technical scheme: a kind of jackshaft does not turn to the steering swivel system of the front and back bridge of three bridge automobiles with mechanical transfer, it is characterized in that: this steering swivel system adopts the steerage gear auxiliary gear box that the divertical motion of bearing circle input is transferred to propons power steer and back axle power steer respectively by preceding steering inner articulated shaft, back steering inner articulated shaft respectively, and propons power steer and back axle power steer drive front-and rear-wheel steer respectively.
In such scheme, described steerage gear auxiliary gear box is transferred to propons power steer and back axle power steer with the divertical motion of bearing circle input respectively in 1: 1 ratio.
In such scheme, a pair of intermeshing driving gear and driven gear are housed in the described steerage gear auxiliary gear box, imput shaft one end that links to each other with driving gear is driven by bearing circle, and the imput shaft other end links to each other with propons power steer input end with preceding steering inner articulated shaft by universal coupling; Driven shaft one end that links to each other with driven gear links to each other with back axle power steer input end with the back steering inner articulated shaft by universal coupling.
Above-mentioned driving gear and the preferred number of teeth of the driven gear cylindrical wheel identical with modulus.
In such scheme, the steering column of described bearing circle links to each other with imput shaft in the steerage gear auxiliary gear box by steering shaft and universal coupling.
In such scheme, described back steering inner articulated shaft is composed in series by universal coupling by at least two joint transmission shafts.
In such scheme, described propons power steer and back axle power steer can drive front and rear wheel respectively with forward and backward steering drop arm and forward and backward steering drag link respectively and turn to.
Steering swivel system described in the utility model has changed in traditional multi-axle steering system and turns to pivoted arm to receive divertical motion from the active steering bridge, finishes the type of transmission of driven steeraxle divertical motion by the transmission of a series of connecting rods, pivoted arm.And adopt the steerage gear auxiliary gear box that the divertical motion of bearing circle, steering column input is transferred to propons power steer and back axle power steer by steering inner articulated shaft respectively in proportion, drive front and rear wheel respectively with forward and backward steering drop arm and forward and backward steering drag link and turn to.
The divertical motion corner that forward and backward steering inner articulated shaft described in the utility model transmitted is equal substantially, the radius of turn of drag link ball pin that can be by changing forward and backward power steer steering drop arm is adjusted the ratio at front-and rear-wheel steer angle than (be plumbing arm long than), thereby each wheel centers on same instantaneous center of gyration motion substantially when guaranteeing to turn to, reduce wear on tyres, depowering consumes, and improves the handling stability energy.
Forward and backward power steering propulsion source described in the utility model is provided respectively by two oil pumps that automotive engine drives, and does not disturb mutually.
The utility model can be transferred to back axle to the a/s ratio of the divertical motion of propons, makes the front and rear wheel counterturn, reduces minimum turning radius thereby reach, and improves manoevreability, reduces wear on tyres simultaneously.Particularly the back steering inner articulated shaft adopts by some joint transmission shafts and universal coupling series connection structure, makes the back steering inner articulated shaft to carry out arrangement according to the structure space of each parts of car load, and layout is easier to.Turn round power-assisted and just be used for overcoming the rear-axle steering resistance because the back divertical motion that transmitted of steering inner articulated shaft also will slow down to increase through the back axle power steer, so the back divertical motion moment of torsion that transmitted of steering inner articulated shaft is little, transmission shaft torsional deflection and the driven hysteresis phenomenon that turns to that causes is also little.
The utlity model has simple in structurely, arrange easily, the efficient height, transmission accurately turns to light advantage, is suitable for the three bridge automotive uses that jackshaft does not turn to.
Description of drawings
Fig. 1 is the front and back bridge steering tire motion scheme drawing of an embodiment of the utility model.
Fig. 2 is the front and back bridge steering hardware transmission system scheme drawing of an embodiment of the utility model.
Fig. 3 is a rear-axle steering mechanism schematic top plan view.
Fig. 4 is a steerage gear auxiliary gear box schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and a specific embodiment the utility model is described further.
Present embodiment is to be used for a type three bridge automobiles.In order to improve manoevreability, reduce turn radius, bridge counter steering before and after adopting.
Referring to accompanying drawing 1: propons 3 is active steering bridges, and jackshaft 4 is non-steering axles, and back axle 5 is driven steeraxles.Turning to by power steer of propons 3 turned right by the right steering joint of preceding steering drag link 1 direct drive propons 3, and the left steering that the right steering joint drives propons 3 by preceding tierod 2 saves to turn right to be finished.Received divertical motion is finished 5 divertical motion by the transmission of a series of connecting rods, pivoted arm transmission from 3 the pivoted arm that turns to before this and the divertical motion of back axle 5 is former.
The type of transmission of present embodiment is referring to accompanying drawing 2: steerage gear auxiliary gear box 8 is divided into two-way with the divertical motion of bearing circle 10, steering column 9 inputs by 1: 1 ratio to be transmitted.Steering inner articulated shaft 7 is transferred to propons power steer 6 before leading up to, and drives front-wheel steering with preceding steering drop arm 2 and preceding steering drag link 1; Another road is transferred to back axle power steer 13 by back steering inner articulated shaft 11, universal coupling 12, drives rear-axle steering with back steering drop arm 15 and back steering drag link 14.
Referring to accompanying drawing 2, accompanying drawing 4, a pair of intermeshing driving gear 8-1 and driven gear 8-2 are housed in the described steerage gear auxiliary gear box 8, driving gear 8-1 selects the number of teeth cylindrical wheel identical with modulus for use with driven gear 8-2.Imput shaft 8-3 one end that links to each other with driving gear links to each other with transmission shaft 16 1 ends by universal coupling 12, and transmission shaft 16 other ends link to each other with the steering column 9 of bearing circle 10 by universal coupling 12; The imput shaft 8-3 other end links to each other by an end of universal coupling 12 and preceding steering inner articulated shaft 7, and the other end of preceding steering inner articulated shaft 7 links to each other with propons power steer 6 input ends; Driven shaft 8-4 one end that links to each other with driven gear links to each other with back steering inner articulated shaft 11 1 ends by universal coupling 12, and back steering inner articulated shaft 11 other ends link to each other with back axle power steer 13 input ends.
Described back steering inner articulated shaft 11 is composed in series by universal coupling 12 by at least two joint transmission shafts.
The universal coupling 12 that present embodiment adopts is the cross-axle universal shaft plunging joint.It can change transmission direction more conveniently, and transmit corner more exactly, thereby be easier to seek the crack install and pass through in the parts of complexity, transmits divertical motion more exactly.Simultaneously because the divertical motion that back steering inner articulated shaft 11 is transmitted also will slow down to increase through back axle power steer 13 turns round power-assisted and just can be used for overcoming the rear-axle steering resistance, so the back divertical motion moment of torsion that transmitted of steering inner articulated shaft 11 is little, the torsional deflection of back steering inner articulated shaft 11 and cause drivenly turn to hysteresis phenomenon also just not quite.
Claims (7)
1. a jackshaft does not turn to the steering swivel system of the front and back bridge of three bridge automobiles with mechanical transfer, it is characterized in that: this steering swivel system adopts the steerage gear auxiliary gear box that the divertical motion of bearing circle input is transferred to propons power steer and back axle power steer respectively by preceding steering inner articulated shaft, back steering inner articulated shaft respectively, and propons power steer and back axle power steer drive front-and rear-wheel steer respectively.
2. according to the steering swivel system of the described front and back of claim 1 bridge with mechanical transfer, it is characterized in that: described steerage gear auxiliary gear box is transferred to propons power steer and back axle power steer with the divertical motion of bearing circle input respectively in 1: 1 ratio.
3. use the steering swivel system of mechanical transfer according to claim 1 or 2 described front and back bridges, it is characterized in that: a pair of intermeshing driving gear and driven gear are housed in the described steerage gear auxiliary gear box, imput shaft one end that links to each other with driving gear is driven by bearing circle, and the imput shaft other end links to each other with propons power steer input end with preceding steering inner articulated shaft by universal coupling; Driven shaft one end that links to each other with driven gear links to each other with back axle power steer input end with the back steering inner articulated shaft by universal coupling.
4. according to the steering swivel system of the described front and back of claim 3 bridge with mechanical transfer, it is characterized in that: described driving gear is the number of teeth cylindrical wheel identical with modulus with driven gear.
According to claim 1 or 2 described front and back bridges with the steering swivel system of mechanical transfer, it is characterized in that: the steering column of described bearing circle links to each other with imput shaft in the steerage gear auxiliary gear box by steering shaft and universal coupling.
6. use the steering swivel system of mechanical transfer according to claim 1 or 2 described front and back bridges, it is characterized in that: described back steering inner articulated shaft is composed in series by universal coupling by at least two joint transmission shafts.
7. according to the steering swivel system of the described front and back of claim 1 bridge with mechanical transfer, it is characterized in that: described propons power steer and back axle power steer drive front and rear wheel respectively with forward and backward steering drop arm and forward and backward steering drag link respectively and turn to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202976501U CN201619600U (en) | 2008-12-25 | 2009-12-19 | Mechanical transfer steering system for front and rear axles |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102374047A CN101450676A (en) | 2008-12-25 | 2008-12-25 | Mechanical transfer steering system for front and rear axles |
| CN200810237404.7 | 2008-12-25 | ||
| CN2009202976501U CN201619600U (en) | 2008-12-25 | 2009-12-19 | Mechanical transfer steering system for front and rear axles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619600U true CN201619600U (en) | 2010-11-03 |
Family
ID=40733205
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102374047A Withdrawn CN101450676A (en) | 2008-12-25 | 2008-12-25 | Mechanical transfer steering system for front and rear axles |
| CN2009202976501U Expired - Fee Related CN201619600U (en) | 2008-12-25 | 2009-12-19 | Mechanical transfer steering system for front and rear axles |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102374047A Withdrawn CN101450676A (en) | 2008-12-25 | 2008-12-25 | Mechanical transfer steering system for front and rear axles |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101450676A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152808B (en) * | 2011-03-07 | 2013-07-10 | 武汉欧塔科汽车设计研究院有限公司 | Front and rear axle steering system for numerical control mechanical transmission |
| CN113771944A (en) * | 2021-08-31 | 2021-12-10 | 浙江中车电车有限公司 | Chassis structure of electric motor coach and steering method |
-
2008
- 2008-12-25 CN CNA2008102374047A patent/CN101450676A/en not_active Withdrawn
-
2009
- 2009-12-19 CN CN2009202976501U patent/CN201619600U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101450676A (en) | 2009-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN XIAOLONG AUTO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WUHAN ATTAC VEHICLE DESIGN + RESEARCH INSTITUTE LTD. Effective date: 20110922 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUHAN ATTAC VEHICLE DESIGN + RESEARCH INSTITUTE LT Free format text: FORMER NAME: WUHAN CHUANGXIANG FUTURE AUTOMOBILE DESIGN DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 430120 Hubei Province, Wuhan city Caidian District Wuhan Chang Fu Metro Vehicle Design & Research Institute Co., Ltd. Patentee after: ATTAC VEHICLE DESIGN & RESEARCH INSTITUTE Ltd. Address before: 430120 Chang Fu Xincheng, Caidian District, Hubei, Wuhan Patentee before: WUHAN CHUANGXIANG FUTURE AUTOMOBILE DESIGN DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110922 Address after: 430120 Hubei Province, Wuhan city Caidian District Wuhan town of Chang Fu Xiaolong Automobile Technology Co Ltd Patentee after: Wuhan Xiaolong Automobile Technology Co.,Ltd. Address before: 430120 Hubei Province, Wuhan city Caidian District Wuhan Chang Fu Metro Vehicle Design & Research Institute Co., Ltd. Patentee before: ATTAC Vehicle Design & Research Institute Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20181219 |