CN203946160U - A kind of automobile electric booster steering system - Google Patents
A kind of automobile electric booster steering system Download PDFInfo
- Publication number
- CN203946160U CN203946160U CN201420239328.4U CN201420239328U CN203946160U CN 203946160 U CN203946160 U CN 203946160U CN 201420239328 U CN201420239328 U CN 201420239328U CN 203946160 U CN203946160 U CN 203946160U
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- sensor
- steering system
- rotating shaft
- screw rod
- controller
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The utility model discloses a kind of automobile electric booster steering system, the rotating shaft that comprises bearing circle, be connected with bearing circle, is positioned at the turbine screw speed reducer structure, circulating ball type mechanical steering system, controller, direct current assist motor, car speed sensor and the engine speed sensor that turn to torque sensor, be connected with rotating shaft lower end in rotating shaft; On described direct current assist motor, be provided with motor current sensor and electric moter voltage sensor, described turbine screw speed reducer structure comprises screw rod, rack tooth fan, the nut being connected with rotating shaft lower end, the turbine screw rod retarder that is arranged at screw rod lower end, turbine screw rod retarder is fixedly connected with the rotor of direct current assist motor, nut engages and is connected with the tooth bar of rack tooth fan, described circulating ball type manual steering system turnkey is drawn together steering side tube and tierod, and the two ends of tierod are connected with wheel.Can effectively improve driving efficiency, reduce rotator inertia, stable drive is reliable, improves portability and stationarity while turning to.
Description
Technical field
The utility model relates to motor turning field, is specifically related to a kind of automobile electric booster steering system.
Background technology
Steering swivel system is the critical component of vehicle, is directly connected to road-holding property, stability and the safety of car load.For alleviating chaufeur burden, generally adopt electric boosting steering system to carry out assisted diversion device and turn to.Along with the continuous progress of society, more next high to the performance requriements of car, the hand-held design especially turning to, while turning to light automobile to drive, feel is strong, improves user's satisfaction.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is to provide a kind of light automobile electric booster steering system that turns to.
In order to address the above problem, the technical solution of the utility model is:
The utility model provides a kind of automobile electric booster steering system, the rotating shaft that comprises bearing circle, be connected with bearing circle, the car speed sensor and the engine speed sensor that are positioned at the turbine screw speed reducer structure that turns to torque sensor, is connected with rotating shaft lower end in rotating shaft, circulating ball type mechanical steering system, controller, the direct current assist motor being electrically connected with controller output end, are electrically connected with controller input end, on described direct current assist motor, be provided with the motor current sensor and the electric moter voltage sensor that are electrically connected with controller input end, described turbine screw speed reducer structure comprises the screw rod being connected with rotating shaft lower end, rack tooth fan, be arranged at screw rod upper end screw thread position, outside face is provided with the nut of fanning the tooth bar that matches with rack tooth, be arranged at the turbine screw rod retarder of screw rod lower end, turbine screw rod retarder is fixedly connected with the rotor of direct current assist motor, nut engages and is connected with the tooth bar of rack tooth fan, described circulating ball type manual steering system turnkey is drawn together steering side tube and tierod, the top of steering side tube is movably connected on rack tooth fan, bottom is connected with the middle part of tierod, the two ends of tierod are connected with wheel.
Further improvement of the present invention is: also comprise with controller and be electrically connected steering angle sensor, described steering angle sensor is arranged on bearing circle or in rotating shaft, realizes the accurate positive control of returning, and helps the control of bearing circle.
Further improvement of the utility model is: in the middle of described tierod, be provided with fixed link, steering side tube is fixedly connected with the midway location of fixed link, the two ends of fixed link are all connected with one end of long connecting rod, the other end activity chain of long connecting rod is connected to one end of short connecting rod, the other end of short connecting rod is movably connected on second short connecting rod, and the other end of second short connecting rod is fixedly connected on wheel, by two-stage transmission, energy effective guarantee transmitting ratio, improves driving efficiency.
Further improvement of the utility model is: the transmitting ratio of described turbine screw speed reducer structure is 10 ~ 18, and the modulability of assistant's torque of this transmission specific energy effective guarantee motor improves the portability turning to.
Further improvement of the utility model is: on described direct current assist motor, be provided with angular velocity sensor, angular velocity sensor be electrically connected with controller, realize the various compensation controls of controller to system, improve the dynamic property of steering swivel system, ensure the portability turning to and accurately control.
The utility model has the advantage of: by adopting turbine screw speed reduction gearing, simple in structure, transmitting ratio is large and realize bidirectional reversible transmission, can effectively improve driving efficiency, reduce rotator inertia, stable drive is reliable, thereby improves portability and stationarity while turning to by bearing circle control; This knot enough makes turbine screw speed reduction gearing become as a whole with motor designs, and volume is little, is convenient to integrative installation technology on car load, and drive ball-and-worm steering system by rack-and-gear, ball-and-nut steering adopts two-stage transmission, and energy effective guarantee transmitting ratio, improves the efficiency of becoming a full member; And by torque sensor, electric moter voltage sensor, motor current sensor and car speed sensor, engine speed sensor are set, thereby comprehensive each sensing data regulates car power-assisted size, ensure the particularity regulating, improve the control of ease of steering.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the work schematic diagram of the utility model middle controller.
Wherein: 1-bearing circle, 2-rotating shaft, 3-turns to torque sensor, 4-controller, 5-direct current assist motor, 6-car speed sensor, 7-engine speed sensor, 8-motor current sensor, 9-electric moter voltage sensor, 10-screw rod, 11-rack tooth fan, 12-nut, 13-turbine screw rod retarder, 14-steering side tube, 15-tierod, 16-wheel, 17-steering angle sensor, 18-fixed link, 19-long connecting rod, 20-short connecting rod, 21-angular velocity sensor.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of automobile electric booster steering system, the rotating shaft 2 that comprises bearing circle 1, be connected with bearing circle 1, the car speed sensor 6 and the engine speed sensor 7 that are positioned at the turbine screw speed reducer structure that turns to torque sensor 3, is connected with rotating shaft 2 lower ends in rotating shaft 2, circulating ball type mechanical steering system, controller 4, the direct current assist motor 5 being electrically connected with controller 4 mouths, are electrically connected with controller 4 input ends, on described direct current assist motor 5, be provided with the motor current sensor 8 and the electric moter voltage sensor 9 that are electrically connected with controller 4 input ends, described turbine screw speed reducer structure comprises the screw rod 10 being connected with rotating shaft 2 lower ends, rack tooth fan 11, be arranged at screw rod 10 screw thread positions, upper end, outside face is provided with and the match nut 12 of tooth bar of rack tooth fan 11, be arranged at the turbine screw rod retarder 13 of screw rod 10 lower ends, turbine screw rod retarder 13 is fixedly connected with the rotor of direct current assist motor 5, nut 12 engages and is connected with the tooth bar of rack tooth fan 11, described circulating ball type manual steering system turnkey is drawn together steering side tube 14 and tierod 15, the top of steering side tube 14 is movably connected on rack tooth fan 11, bottom is connected with the middle part of tierod 15, the two ends of tierod 15 are connected with wheel 16.Also comprise with controller 4 and be electrically connected steering angle sensor 17, described steering angle sensor 17 is arranged on bearing circle 1 or in rotating shaft 2 all can.In the middle of described tierod 15, be provided with fixed link 18, steering side tube 14 is fixedly connected with the midway location of fixed link 18, the two ends of fixed link 18 are all connected with one end of long connecting rod 19, the other end activity chain of long connecting rod 19 is connected to one end of short connecting rod 20, the other end that the other end of short connecting rod 20 is movably connected on 20, the second short connecting rods 20 of second short connecting rod is fixedly connected on wheel 16.The transmitting ratio of described turbine screw speed reducer structure is 10 ~ 18.On described direct current assist motor 5, be provided with angular velocity sensor 21, angular velocity sensor 21 be electrically connected with controller 4.
When motor turning, as shown in Figure 2, controller carries out Power assisted control according to steering-wheel torque signal to the master mode of controller, and steering-wheel torque is larger, and motor power-assisted square is larger; Steering-wheel torque is less, and motor power-assisted square is less.When steering-wheel torque is less than a certain setpoint torque, motor does not carry out power-assisted.Meanwhile, controller carries out road feel control according to the signal of car speed sensor, when the speed of a motor vehicle raises, suitably reduces motor power-assisted, and road feel strengthens, and energy-conservation time, ensures the hand-held design turning to.
Claims (5)
1. an automobile electric booster steering system, is characterized in that: the rotating shaft (2) that comprises bearing circle (1), be connected with bearing circle (1), the car speed sensor (6) and the engine speed sensor (7) that are positioned at the turbine screw speed reducer structure that turns to torque sensor (3), is connected with rotating shaft (2) lower end in rotating shaft (2), circulating ball type mechanical steering system, controller (4), the direct current assist motor (5) being electrically connected with controller (4) mouth, are electrically connected with controller (4) input end, on described direct current assist motor (5), be provided with the motor current sensor (8) and the electric moter voltage sensor (9) that are electrically connected with controller (4) input end, described turbine screw speed reducer structure comprises the screw rod (10) being connected with rotating shaft (2) lower end, rack tooth fan (11), be arranged at screw rod (10) upper end screw thread position, outside face is provided with and the match nut (12) of tooth bar of rack tooth fan (11), be arranged at the turbine screw rod retarder (13) of screw rod (10) lower end, turbine screw rod retarder (13) is fixedly connected with the rotor of direct current assist motor (5), nut (12) engages and is connected with the tooth bar of rack tooth fan (11), described circulating ball type manual steering system turnkey is drawn together steering side tube (14) and tierod (15), the top of steering side tube (14) is movably connected on rack tooth fan (11), bottom is connected with the middle part of tierod (15), the two ends of tierod (15) are connected with wheel (16).
2. a kind of automobile electric booster steering system according to claim 1, it is characterized in that: also comprise with controller (4) and be electrically connected steering angle sensor (17), described steering angle sensor (17) is arranged on bearing circle (1) or in rotating shaft (2).
3. a kind of automobile electric booster steering system according to claim 1, it is characterized in that: in the middle of described tierod (15), be provided with fixed link (18), steering side tube (14) is fixedly connected with the midway location of fixed link (18), the two ends of fixed link (18) are all connected with one end of long connecting rod (19), the other end activity chain of long connecting rod (19) is connected to one end of short connecting rod (20), the other end of short connecting rod (20) is movably connected on second short connecting rod (20), the other end of second short connecting rod (20) is fixedly connected on wheel (16).
4. a kind of automobile electric booster steering system according to claim 1, is characterized in that: the transmitting ratio of described turbine screw speed reducer structure is 10 ~ 18.
5. a kind of automobile electric booster steering system according to claim 1, is characterized in that: on described direct current assist motor (5), be provided with angular velocity sensor (21), angular velocity sensor (21) be electrically connected with controller (4).
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239328.4U CN203946160U (en) | 2014-05-09 | 2014-05-09 | A kind of automobile electric booster steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239328.4U CN203946160U (en) | 2014-05-09 | 2014-05-09 | A kind of automobile electric booster steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946160U true CN203946160U (en) | 2014-11-19 |
Family
ID=51888216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239328.4U Expired - Fee Related CN203946160U (en) | 2014-05-09 | 2014-05-09 | A kind of automobile electric booster steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203946160U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137089A (en) * | 2015-10-01 | 2018-06-08 | Ｋｙｂ株式会社 | Electric Power Steering |
| CN110869264A (en) * | 2017-02-24 | 2020-03-06 | 中国汽车系统股份公司 | An electric recirculating ball steering gear assembly |
| US11827290B2 (en) | 2020-11-02 | 2023-11-28 | Ford Global Technologies, Llc | Rotary assist apparatus for recirculating ball steering gears |
| US11873037B2 (en) | 2021-03-04 | 2024-01-16 | Ford Global Technologies, Llc | Belt driven rotary assist apparatus for recirculating ball steering gears |
| US12077219B1 (en) | 2023-06-23 | 2024-09-03 | Ford Global Technologies, Llc | Rotary steering systems |
-
2014
- 2014-05-09 CN CN201420239328.4U patent/CN203946160U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137089A (en) * | 2015-10-01 | 2018-06-08 | Ｋｙｂ株式会社 | Electric Power Steering |
| CN110869264A (en) * | 2017-02-24 | 2020-03-06 | 中国汽车系统股份公司 | An electric recirculating ball steering gear assembly |
| US11827290B2 (en) | 2020-11-02 | 2023-11-28 | Ford Global Technologies, Llc | Rotary assist apparatus for recirculating ball steering gears |
| US11873037B2 (en) | 2021-03-04 | 2024-01-16 | Ford Global Technologies, Llc | Belt driven rotary assist apparatus for recirculating ball steering gears |
| US12077219B1 (en) | 2023-06-23 | 2024-09-03 | Ford Global Technologies, Llc | Rotary steering systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |