CN108715185A - A kind of commercial car line traffic control electric boosting steering system - Google Patents
A kind of commercial car line traffic control electric boosting steering system Download PDFInfo
- Publication number
- CN108715185A CN108715185A CN201810397310.XA CN201810397310A CN108715185A CN 108715185 A CN108715185 A CN 108715185A CN 201810397310 A CN201810397310 A CN 201810397310A CN 108715185 A CN108715185 A CN 108715185A
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- steering
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- frame
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- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000003921 oil Substances 0.000 description 9
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention discloses a kind of commercial car line traffic control electric boosting steering systems, steering system includes control area network bus, electronic control unit, torque sensor, vehicle speed sensor, motor sensor, size of current sensor and current direction sensor, the signal receiving end of the signal output end control connection electronic control unit of control area network bus, the signal receiving end of torque sensor and the signal output end feedback link electronic control unit of vehicle speed sensor, the signal input part of the signal output end control connection motor sensor of electronic control unit, the signal output end of motor sensor controls the signal receiving end of connection size of current sensor and current direction sensor respectively, the signal receiving end of the signal output end feedback link electronic control unit of size of current sensor and current direction sensor；Three kinds of steering patterns may be implemented：Intelligent driving, electric power steering, driver manually turn to.
Description
Technical field
It is the present invention relates to a kind of commercial car circulating ball type line traffic control electric boosting steering system, more particularly to a kind of to be used for intelligence
The commercial car circulating ball type line traffic control electric boosting steering system that can be driven.
Background technology
Steering is used for changing or keeping running car or a series of devices of reverse direction, and automobile steering system is to vapour
The driving safety of vehicle is most important, therefore the part of automobile steering system referred to as security personnel's part, automobile steering system and braking system
System is all that automotive safety has to the two systems paid attention to, and the function of automobile steering system is exactly to be controlled according to the wish of driver
The travel direction of automobile；
There are many steering currently on the market, but all there is many disadvantages：
Mechanical steering is using the hand of driver as steering power source, and steering wheel diameter is larger, therefore occupied space is larger,
Seem that comparison is clumsy, overburden by driver；
Hydraulic power steering system is to increase power cylinder, control valve, oil pump, oil inlet and oil return pipe on the basis of mechanical steering gear
The hydraulic power units such as road provide power steering, but since design parameter is fixed, assist characteristic be also it is fixed, cannot
According to the situation on road surface power-assisted is adjusted, has between ease of steering and road surface and be difficult to coordinate；The oil pump of steering begins
It is in running order eventually, increase fuel consumption；Hydraulic actuating mechanism will produce letting out for fluid due to aging, damage etc.
Dew, easily pollutes the environment, hydraulic system has operating temperature certain requirement, low-temperature working poor performance；
Electric hydraulic power-assisted steering system, increase electronic device constitutes electricity on the basis of traditional hydraulic power steering system
Hydraulic power-assisted steering system.But power steering is still provided by hydraulic system, therefore hydraulic power steering system can not overcome
Oil liquid leakage problem；Increase electronic system so that electric hydraulic power-assisted steering system cost increases, and structure becomes complicated, work
Make reliability, stability reduces；
Four-wheel steering system refers to that all around four wheels are all deflecting roller, controls that required technical difficulty is big, structure is multiple
It is miscellaneous, of high cost；
Electric boosting steering system（EPS）, electric boosting steering system（EPS）It refer to the hand of automobile driver's input when turning to
Power and the power steering collective effect provided by dc motor, overcome steering drag to carry out the steering system of steering operation
System；But X-by-Wire can not be carried out, intelligent driving is may not apply to；
For this purpose, the present invention proposes a kind of commercial car line traffic control electric boosting steering system.
Invention content
The purpose of the present invention is to provide a kind of commercial car line traffic control electric boosting steering systems, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of commercial car line traffic control electric boosting steering system,
Including steering control mechanism, ball nut's frame, clutch apparatus, deflecting roller and steering, the steering control mechanism is in
The bottom end of circular annular form structure, steering control mechanism is fixedly connected with steering shaft, and the rounded column structure of steering shaft turns to
Torque angular transducer is fixedly connected on the body of rod of axis, and the lower end of steering shaft is fixedly connected with steering screw, the steering
Screw flight is connected to the inside of ball nut's frame, is rolled between steering screw and the inner wall of ball nut's frame and is connected with cycle
The surface of ball, ball nut's frame is provided with bite block, and the bite block is connect with gear segment mates, the sector gear
It is rotatably connected on the end of driving pitman arm, the lower end of the steering screw is fixedly connected with planetary reducer, the planet
The lower end of speed reducer is fixedly connected with clutch apparatus, and the axis body drive connection of the clutch apparatus is defeated in the power of motor
Outlet, and the bottom end of pitman arm is driven to be rotatably connected to lifting shaft, the bottom end of the lifting shaft is fixedly connected with link block, institute
The surface for stating link block is hinged with drag link, and the other end of the drag link is hinged with L-type connecting rod, the L-type connecting rod
The other end is fixedly connected on the surface of deflecting roller；The steering system include control area network bus, electronic control unit,
Torque sensor, vehicle speed sensor, motor sensor, size of current sensor and current direction sensor, the control
The signal receiving end of the signal output end control connection electronic control unit of Area Network bus, torque sensor and vehicle speed sensor
Signal output end feedback link electronic control unit signal receiving end, the electronic control unit signal output end control
The signal input part of motor sensor is connected, the signal output end of motor sensor controls connection size of current sensing respectively
The signal output end of the signal receiving end of device and current direction sensor, size of current sensor and current direction sensor
The signal receiving end of feedback link electronic control unit.
Preferably, the circulating ball is in sphere structure, and circulating ball is provided with multiple, the sizes such as multiple circulating balls are isodistantly spaced
It is arranged between steering screw and the inner wall of ball nut's frame, and two neighboring circulating ball is in contact.
Preferably, ball nut's frame is in the circular cylinder structure of inner hollow, and the surface of ball nut's frame, which is fixed, to be connected
It is connected to circulating ball circulation port, there are two the settings of circulating ball circulation port, center of two circulating ball circulation ports about ball nut's frame
It is symmetrical.
Preferably, the trapezoidal column structure of the bite block, bite block are provided with multiple, and multiple bite blocks are isodistantly spaced
Size is arranged on the outer wall of ball nut's frame.
Preferably, the rounded column structure of the drag link, there are two drag link settings, and two drag links are about link block
It is symmetrical.
Compared with prior art, the beneficial effects of the invention are as follows：Structure of the invention setting is reasonable, functional, have with
Lower advantage：
1. three kinds of steering patterns may be implemented：Intelligent driving, electric power steering, driver manually turn to.
2. energy conservation and environmental protection：When conventional steering system is operated due to engine, hydraulic pump is in running order always, hydraulic rotation
Entire engine fuel consumption quantity is set to increase 3%~5% to system, and EPS is using accumulator as the energy, it is first by power of motor
Part can work independently of engine, the hardly direct consumption of engine fuel oils of EPS.There is no hydraulic power steering systems by EPS
Hydraulic fluid leak problem, EPS, to environment almost without pollution, more reduce oil consumption by electronic control.
3. easy for installation：The critical piece of EPS, which can match, to be integrated, and is easy to arrange, with hydraulic power steering system
Compared to many elements are reduced, without the required oil pump of hydraulic system, oil pipe, pressure flow hybrid control valve, oil storage tank etc., element
Number is few, easy to assembly, saves the time.
4. efficient：Hydraulic power steering system efficiency is generally 60%~70%, and the efficiency of EPS is higher, and up to 90%
More than.
5. road feel is good：System can carry out power steering to adjust and control in real time, three kinds of operating modes be realized, electronic
When power-assisted steering and driver manually turn to, can there are good road feel, operation stabilization, active safety.
6. returnability is good：EPS system is simple in structure, not only easy to operate, can also be by adjusting the soft of EPS controllers
Part obtains best returnability, so as to improve the stability and comfort of automobile operation.
7. planetary gear mechanism speed ratio is big, compact-sized, large torque turns to light.
Description of the drawings
Fig. 1 is present system block diagram；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is ball nut's frame of the present invention and sector gear attachment structure schematic diagram.
In figure：Steering control mechanism 1, steering shaft 2, torque angular transducer 3, steering screw 4, ball nut's frame 5, cycle
Ball 6, bite block 7, sector gear 8, driving pitman arm 9, planetary reducer 10, clutch apparatus 11, motor 12, lifting shaft
13, link block 14, drag link 15, deflecting roller 16, L-type connecting rod 17.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of commercial car line traffic control electric boosting steering system, packet
Steering control mechanism 1, ball nut's frame 5, clutch apparatus 11, deflecting roller 16 and steering are included, steering control mechanism 1 is in
The bottom end of circular annular form structure, steering control mechanism 1 is fixedly connected with steering shaft 2, and 2 rounded column structure of steering shaft turns to
It is fixedly connected with torque angular transducer 3 on the body of rod of axis 2, and the lower end of steering shaft 2 is fixedly connected with steering screw 4, turns to
Screw rod 4 is threaded in the inside of ball nut's frame 5, rolls to be connected between steering screw 4 and the inner wall of ball nut's frame 5 and follow
Global 6, the surface of ball nut's frame 5 is provided with bite block 7, and bite block 7 is connected with sector gear 8, and sector gear 8 rotates
It is connected to the end of driving pitman arm 9, the lower end of steering screw 4 is fixedly connected with planetary reducer 10, planetary reducer 10
Lower end be fixedly connected with clutch apparatus 11, the axis body of clutch apparatus 11 is sequentially connected in the power output of motor 12
End, and the bottom end of pitman arm 9 is driven to be rotatably connected to lifting shaft 13, the bottom end of lifting shaft 13 is fixedly connected with link block 14,
The surface of link block 14 is hinged with drag link 15, and the other end of drag link 15 is hinged with L-type connecting rod 17, L-type connecting rod 17
The other end is fixedly connected on the surface of deflecting roller 16；Steering system includes control area network bus, electronic control unit, torsion
Square sensor, vehicle speed sensor, motor sensor, size of current sensor and current direction sensor, control area net
The signal receiving end of the signal output end control connection electronic control unit of bus, the signal of torque sensor and vehicle speed sensor
The signal receiving end of output end feedback link electronic control unit, the signal output end control connection motor of electronic control unit
The signal output end of the signal input part of sensor, motor sensor controls connection size of current sensor and electric current respectively
The signal output end feedback link electricity of the signal receiving end of direction sensor, size of current sensor and current direction sensor
The signal receiving end of sub-control unit.
Circulating ball 6 is in sphere structure, and circulating ball 6 is provided with multiple, and the sizes such as multiple circulating balls 6 are isodistantly spaced, which are arranged in, to be turned
To between screw rod 4 and the inner wall of ball nut's frame 5, and two neighboring circulating ball 6 is in contact.
Ball nut's frame 5 is in the circular cylinder structure of inner hollow, and the surface of ball nut's frame 5 is fixedly connected with circulating ball
Circulation port, there are two the settings of circulating ball circulation port, and two circulating ball circulation ports are distributed about the central symmetry of ball nut's frame 5.
7 trapezoidal column structure of bite block, bite block 7 are provided with multiple, the big minispread such as multiple bite blocks 7 are isodistantly spaced
On the outer wall of ball nut's frame 5.
15 rounded column structure of drag link, there are two the settings of drag link 15, and two drag links 15 are right about link block 14
Claim distribution.
Operation principle：Three kinds of driving modes may be implemented in the present invention：
Intelligent driving
When a vehicle is started, electronic control unit diagnosing motor state is normal, and clutch apparatus 11 engages, and electronic control unit connects
After the steering order for receiving control area network bus bus, torque sensor and vehicle speed sensor work, by the torque detected,
Corner, speed ??signal are transmitted to electronic control unit, and electronic control unit controls the big of 12 electric current of motor according to the signal transmitted
Steering moment is passed to steering shaft by small and direction of rotation, motor 12 by clutch apparatus 11 and planetary reducer 10 again, from
And realize intelligent driving.
Electric power steering
When a vehicle is started, electronic control unit diagnosing motor state is normal, and clutch apparatus 11 engages, and driver turn turns to
When operating mechanism 1, the torque detected, corner, speed ??signal are transmitted to electronics control by torque sensor and vehicle speed sensor work
Unit processed, electronic control unit control size and the direction of rotation of 12 power-assisted electric current of motor, motor according to the signal transmitted
Auxiliary torque is passed to by clutch apparatus 11 and planetary reducer 10 by steering shaft again, mitigates driver's labour burden.
Driver manually turns to
When a vehicle is started, electronic control unit diagnosing motor abnormal state, clutch apparatus 11 detach, and driver turn turns to
When operating mechanism 1, steering force passes to steering executing agency by turning to steering control mechanism 1, to drive steering mechanism to realize
It turns to.
As a result, the steering of commercial car is manually compatible simultaneously with intelligent driving；Transmission efficiency, manipulation is light,
Wear small, long lifespan；The control stability of automobile is high, it is light to turn to；
Reduce fuel consumption, is more in line with vehicle energy saving, environmentally friendly requirement；It is safe, wide adaptation range；It is simple in structure tight
It gathers, assembling is good, and environmental pollution is small, low temperature performance well；Road feel is good, drives more comfortable, experience property height.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of commercial car line traffic control electric boosting steering system, including steering control mechanism（1）, ball nut's frame（5）, clutch
Device（11）, deflecting roller（16）And steering, it is characterised in that：The steering control mechanism（1）Rounded cyclic structure,
Steering control mechanism（1）Bottom end be fixedly connected with steering shaft（2）, the steering shaft（2）Rounded column structure, steering shaft
（2）The body of rod on be fixedly connected with torque angular transducer（3）, and steering shaft（2）Lower end be fixedly connected with steering screw
（4）, the steering screw（4）It is threaded in ball nut's frame（5）Inside, steering screw（4）With ball nut's frame（5）'s
It is rolled between inner wall and is connected with circulating ball（6）, ball nut's frame（5）Surface be provided with bite block（7）, the bite block
（7）With sector gear（8）It is connected, the sector gear（8）It is rotatably connected on driving pitman arm（9）End, it is described
Steering screw（4）Lower end be fixedly connected with planetary reducer（10）, the planetary reducer（10）Lower end be fixedly connected with
Clutch apparatus（11）, the clutch apparatus（11）Axis body be sequentially connected in motor（12）Power output end, and drive
Dynamic pitman arm（9）Bottom end be rotatably connected to lifting shaft（13）, the lifting shaft（13）Bottom end be fixedly connected with link block
（14）, the link block（14）Surface be hinged with drag link（15）, the drag link（15）The other end be hinged with L-type connection
Bar（17）, the L-type connecting rod（17）The other end be fixedly connected with deflecting roller（16）Surface on；The steering system packet
Include control area network bus, electronic control unit, torque sensor, vehicle speed sensor, motor sensor, size of current sensing
Device and current direction sensor, the signal of the signal output end control connection electronic control unit of the control area network bus
The signal receiving end of the signal output end feedback link electronic control unit of receiving terminal, torque sensor and vehicle speed sensor, institute
State the signal input part of the signal output end control connection motor sensor of electronic control unit, the signal of motor sensor
Output end controls the signal receiving end of connection size of current sensor and current direction sensor, size of current sensor respectively
And the signal receiving end of the signal output end feedback link electronic control unit of current direction sensor.
2. a kind of commercial car line traffic control electric boosting steering system according to claim 1, it is characterised in that：The circulating ball
（6）In sphere structure, circulating ball（6）It is provided with multiple, multiple circulating balls（6）It the sizes such as is isodistantly spaced and is arranged in steering screw
（4）With ball nut's frame（5）Inner wall between, and two neighboring circulating ball（6）It is in contact.
3. a kind of commercial car line traffic control electric boosting steering system according to claim 1, it is characterised in that：The spherical spiral shell
Female frame（5）In the circular cylinder structure of inner hollow, ball nut's frame（5）Surface be fixedly connected with circulating ball circulation port, follow
There are two global circulation port settings, and two circulating ball circulation ports are about ball nut's frame（5）Central symmetry distribution.
4. a kind of commercial car line traffic control electric boosting steering system according to claim 1, it is characterised in that：The bite block
（7）Trapezoidal column structure, bite block（7）It is provided with multiple, multiple bite blocks（7）It the sizes such as is isodistantly spaced and is arranged in spherical spiral shell
Female frame（5）Outer wall on.
5. a kind of commercial car line traffic control electric boosting steering system according to claim 1, it is characterised in that：The drag link
（15）Rounded column structure, drag link（15）There are two settings, two drag links（15）About link block（14）It is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397310.XA CN108715185A (en) | 2018-04-28 | 2018-04-28 | A kind of commercial car line traffic control electric boosting steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397310.XA CN108715185A (en) | 2018-04-28 | 2018-04-28 | A kind of commercial car line traffic control electric boosting steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108715185A true CN108715185A (en) | 2018-10-30 |
Family
ID=63899404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810397310.XA Pending CN108715185A (en) | 2018-04-28 | 2018-04-28 | A kind of commercial car line traffic control electric boosting steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108715185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802413A (en) * | 2022-04-17 | 2022-07-29 | 浙江世宝股份有限公司 | Variable pitch gear ratio tooth form structure for steering gear of commercial vehicle |
| US11485407B2 (en) | 2019-05-16 | 2022-11-01 | Lightning Systems, Inc. | Smart electronic power steering system and method for a retrofitted electric vehicle |
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| CN1647984A (en) * | 2005-03-17 | 2005-08-03 | 北京理工大学 | Circular ball type electric booster steering device |
| CN102673637A (en) * | 2012-05-10 | 2012-09-19 | 清华大学 | Electric power-assisted steering system for commercial vehicle |
| CN103303361A (en) * | 2012-03-12 | 2013-09-18 | 万都株式会社 | Electric power steering apparatus for vehicle |
| CN103818445A (en) * | 2012-11-17 | 2014-05-28 | 重庆龙润汽车转向器有限公司 | Circulating ball-type steering gear |
| CN106184350A (en) * | 2016-07-08 | 2016-12-07 | 南京航空航天大学 | A kind of multimodal four-wheel steering system and turn to mode control method |
| CN106428197A (en) * | 2016-11-15 | 2017-02-22 | 南京航空航天大学 | Controller and control method based on multi-mode steering system auxiliary power coupler |
| CN106697038A (en) * | 2015-11-15 | 2017-05-24 | 由国峰 | Electric power steering control system for automobile |
| CN206421648U (en) * | 2017-01-25 | 2017-08-18 | 安徽机电职业技术学院 | Automobile electric booster steering system experimental real-training stand |
-
2018
- 2018-04-28 CN CN201810397310.XA patent/CN108715185A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1647984A (en) * | 2005-03-17 | 2005-08-03 | 北京理工大学 | Circular ball type electric booster steering device |
| CN103303361A (en) * | 2012-03-12 | 2013-09-18 | 万都株式会社 | Electric power steering apparatus for vehicle |
| CN102673637A (en) * | 2012-05-10 | 2012-09-19 | 清华大学 | Electric power-assisted steering system for commercial vehicle |
| CN103818445A (en) * | 2012-11-17 | 2014-05-28 | 重庆龙润汽车转向器有限公司 | Circulating ball-type steering gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11485407B2 (en) | 2019-05-16 | 2022-11-01 | Lightning Systems, Inc. | Smart electronic power steering system and method for a retrofitted electric vehicle |
| CN114802413A (en) * | 2022-04-17 | 2022-07-29 | 浙江世宝股份有限公司 | Variable pitch gear ratio tooth form structure for steering gear of commercial vehicle |
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Application publication date: 20181030 |