CN105667581A - Compact steering column type automobile electric power assisting device - Google Patents
Compact steering column type automobile electric power assisting device Download PDFInfo
- Publication number
- CN105667581A CN105667581A CN201610167606.3A CN201610167606A CN105667581A CN 105667581 A CN105667581 A CN 105667581A CN 201610167606 A CN201610167606 A CN 201610167606A CN 105667581 A CN105667581 A CN 105667581A
- Authority
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- China
- Prior art keywords
- output shaft
- planetary reducer
- quill
- housing
- shaft
- 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.)
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Classifications
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- 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
- B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
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- 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
- B62D5/0409—Electric motor acting on the steering column
- B62D5/0412—Electric motor acting on the steering column the axes of motor and steering column being parallel
- B62D5/0415—Electric motor acting on the steering column the axes of motor and steering column being parallel the axes being coaxial
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- 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
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention discloses a compact steering column type automobile electric power assisting device. The compact steering column type automobile electric power assisting device comprises a shell, wherein a planetary gear reducer is arranged on one end of the shell; the shell is internally provided with a transverse baffle plate; the shell between the transverse baffle plate and the planetary gear reducer is internally provided with a hollow type inner rotor brushless motor; a coil stator of the hollow type inner rotor brushless motor is connected with the inner wall of the shell; a shaft sleeve is arranged in a center inner hole in a magnetic steel rotor of the hollow type inner rotor brushless motor; the shaft sleeve is fixedly arranged on a sleeve shaft; one end of the sleeve shaft is connected with the transverse baffle plate of the shell through a first locating bearing. According to the compact steering column type automobile electric power assisting device disclosed by the invention, by adopting coaxial arrangement between the hollow type inner rotor brushless motor and a steering column as well as the planetary gear reducer and the steering column, the space occupation is small, interference with other surrounding components cannot be caused, and the compact steering column type automobile electric power assisting device is easily arranged on an automobile and is simple and convenient in disassembling and assembling operation.
Description
Technical field
The present invention relates to a kind of auto steerer, specifically a kind of compact steering tube pillar motorcar electric power assisting device.
Background technology
The electric turning booster system used on current various vehicle is mostly installed worm and gear speed-reduction apparatus on steering column and is realized, and this class formation is limit by own dimensions, and gear ratio is relatively low, and transmission efficiency is relatively low, directly affects the size of output moment of torsion. Owing to needs and external motor are installed along with the side of steering column, take up room bigger, owing to being dispersed with multiple assembly, parts under vehicle instrument desk, therefore the steering column of existing vehicle often interferes when assembling, maintenance with circumferential component, and installation and removal operation easier is bigger.
Summary of the invention
It is an object of the invention to provide a kind of Novel compact type steering tube pillar motorcar electric power assisting device, it can solve the problem that prior art Problems existing.
The present invention for achieving the above object, is achieved through the following technical solutions:
A kind of compact steering tube pillar motorcar electric power assisting device, including housing (1), housing (1) and diaphragm plate one, mounting torque angular transducer (12) between upper cover and housing (1) diaphragm plate, middle installation hollow type inner-rotor brushless motor, planetary reducer (8) is installed in housing (1) output shaft side, the coil stator (2) of hollow type inner-rotor brushless motor is fixing with housing (1) inwall to be connected, its magnetic steel rotor (3) is fixed on axle sleeve (4), and axle sleeve (4) is fixedly mounted on quill (5), quill (5) one end positions bearing (22) by second and is located by connecting with diaphragm plate, quill (5) other end is located by connecting with planetary reducer (8) by the 3rd location bearing (23), the other end of quill (5) is namely as the power shaft of planetary reducer (8), the processing of its end has external tooth, and external tooth engages with the planetary gear of planetary reducer (8) input, output shaft (11) is installed in quill (5), being supported by needle bearing (16) and the 4th location, location bearing (24) respectively between output shaft (11) two ends and quill (5), output shaft (11) is connected with the output terminal link of planetary reducer (8), power shaft (7) is supported by the first needle bearing (16) location positioning bearing (21) and power shaft opposite side, the housing (1) of power shaft (7) one end installs upper cover (6), upper cover (6) is connected with housing (1) seam, power shaft (7) can be connected with the steering spindle of vehicle steering column, torsion bar (10) and moment angular transducer (12) are installed between power shaft (7) and output shaft (11), torsion bar (10) one end is fixing with power shaft (7) to be connected, torsion bar (10) other end is fixing with output shaft (11) to be connected, hollow type inner-rotor brushless motor and planetary reducer (8) are all hollow, output shaft (11) can pass from centre, quill (5) outfan is exactly the input of planetary reducer (8), the processing of quill (5) outfan has external tooth directly to drive planetary reducer to work, the outfan planet carrier endoporus of planetary reducer can pass through key and be connected with output shaft (11), to ensure the reliability of high pulling torque that output shaft exports, the housing (1) of output shaft (11) one end installs lower cover (25), lower cover (25) is connected with housing (1) seam, and the overcoat of fixing planetary reducer, power shaft (7) can be connected with the steering spindle of vehicle steering column, torsion bar (10) and moment angular transducer (12) are installed between power shaft (7) and output shaft (11), torsion bar (10) one end is fixing with power shaft (7) to be connected, torsion bar (10) other end is fixing with output shaft (11) to be connected, hollow type inner-rotor brushless motor and planetary reducer (8) are all hollow, output shaft (11) can pass from centre, quill (5) outfan is exactly the input of planetary reducer (8), the processing of quill (5) outfan has external tooth directly to drive planetary reducer to work, the outfan planet carrier endoporus of planetary reducer can pass through key and be connected with output shaft (11), to ensure the reliability of high pulling torque that output shaft exports, housing (1) arranges lower cover (9) away from one end of upper cover (6), lower cover (9) is connected with housing (1) seam, output shaft (11) stretches out in the middle of lower cover (9), steering gear input shaft can be connected to lower drive shaft.
Further, installation site sensor (double, two magnet rings 13 between magnetic steel rotor (3) and the planetary reducer (8) of described hollow type inner-rotor brushless motor, prop up pushing out ring 14, sensor circuit plate 15), described position sensor is incremental encoder formula position sensor, double, two magnet rings (13) of incremental encoder formula position sensor and a pushing out ring (14) are with magnetic steel rotor (3) synchronous axial system of hollow type inner-rotor brushless motor, the sensor circuit plate of incremental encoder formula position sensor is fixing with the end face of planetary reducer (8) to be connected, double, two magnet rings (13) of described incremental encoder formula position sensor are connected with quill (5) by a pushing out ring (14), pushing out ring (14) has a circular fold away from one end of magnetic steel rotor (3), double, two magnet rings (13) of incremental encoder formula position sensor are bonded on circular fold with one heart, this pair of magnet ring together rotates with the magnetic steel rotor (3) of hollow type inner-rotor brushless motor.
Further, described output shaft (11) arranges shrinkage pool near one end of steering spindle (7), this shrinkage pool can be yi word pattern groove, cross recess, six word grooves, corresponding boss is had to be inserted therein in power shaft end, ensure that mutual left and right directions two produces the gap of 4～8 °, needle bearing (17) is installed between cylinder outside output shaft shrinkage pool medial wall and power shaft boss, the coil stator (2) of hollow type inner-rotor brushless motor is fixing with housing (1) inwall to be connected, its magnetic steel rotor (3) is fixed on axle sleeve (4), axle sleeve (4) is fixedly mounted on quill (5), quill (5) one end is connected with diaphragm plate by the second location bearing (22), quill (5) other end is located by connecting with planetary reducer (8) by the 3rd location bearing (23).
Further, the other end of described quill (5) is namely as the power shaft of planetary reducer (8), the processing of this end has external tooth, external tooth engages with the planetary gear of planetary reducer (8) input, output shaft (11) is installed in quill (5), supported by needle bearing (16) and the 4th location, location bearing (24) respectively between output shaft (11) two ends and quill (5), output shaft (11) is connected with the output terminal link of planetary reducer (8), power shaft (7) is by the first location bearing (21) in upper cover and needle bearing (16) the location support being arranged on output shaft endoporus, the housing (1) of power shaft (7) one end installs upper cover (6), upper cover (6) is connected with housing (1) seam.
It is an advantage of the current invention that: adopt the inner-rotor brushless motor of hollow and planetary reducer and steering column coaxially arranged, take up room little, will not interfere with peripheral parts, it is prone on automobile and arranges, and remove and install easy and simple to handle, the action of motor is by planetary reducer torque multiplication and reduces rotating speed, plays power steering effect. Compared with existing electric booster, machinery driving efficiency is increased dramatically, and output moment of torsion increases, it is possible to what make vehicle turns to operation more flexible, light, and stability is higher.
Accompanying drawing explanation
Fig. 1 is handpiece structure schematic diagram of the present invention;
Fig. 2 is the integral electric column assy schematic diagram that the present invention is applied on automobile;
Fig. 3 is the present invention is the relative rotation angle between restriction output shaft and power shaft, adopts the structural representation of flat recess double inclined surface structure;
Fig. 4 is the present invention is the relative rotation angle between restriction output shaft and power shaft, adopts the structural representation of four groove structures;
Fig. 5 is the present invention is the relative rotation angle between restriction output shaft and power shaft, adopts the structural representation of six groove structures.
Detailed description of the invention
A kind of Novel compact type steering tube pillar motorcar electric power assisting device of the present invention includes housing 1, housing 1 and diaphragm plate one, housing 1 diaphragm plate power shaft 7 side mounting torque angular transducer 12, hollow type inner-rotor brushless motor is installed at middle part, and planetary reducer 8 is installed in housing 1 output shaft 11 side. the coil stator 2 of hollow type inner-rotor brushless motor is fixing with housing 1 inwall to be connected, its magnetic steel rotor 3 is fixedly mounted on outside axle sleeve 4, axle sleeve 4 is fixedly mounted on quill 5, quill 5 one end is connected with diaphragm plate by the second location bearing 22, quill 5 other end is located by connecting with planetary reducer 8 by the 3rd location bearing 23 and is connected, the lower end of quill 5 is namely as the power shaft of planetary reducer 8, the processing of quill 5 end has external toothing, external toothing is meshed with the planetary gear of planetary reducer 8 input, output shaft 11 is installed in quill 5, support is positioned by needle bearing 16 and the 4th location bearing 24 respectively between output shaft 11 two ends and quill 5. output shaft 11 is connected with the output terminal link of planetary reducer 8. power shaft 7 is positioned support by the first needle bearing 16 positioning bearing 21 and the power shaft other end, and the housing 1 of power shaft 7 input is provided with upper cover 6, and upper cover 6 is connected with housing 1 seam. power shaft 7 can be connected with the steering spindle of vehicle steering column, installs torsion bar 10 and moment angular transducer 12 between power shaft 7 and output shaft 11, and torsion bar 10 one end is fixing with power shaft 7 to be connected, and torsion bar 10 other end is fixing with output shaft 11 to be connected. hollow type inner-rotor brushless motor and planetary reducer 8 are all hollow, and output shaft 11 can pass from centre. quill 5 outfan is exactly the input of planetary reducer 8. the outfan planet carrier endoporus of planetary reducer can be connected by key is fixing with output shaft 11, to ensure the reliability that output shaft 11 high pulling torque exports. being provided with lower cover 6 on the housing 1 of output shaft 11 outfan, upper cover 6 is connected with housing 1 seam. the hollow type inner-rotor brushless motor that the present invention uses is to have employed inner-rotor-type brushless electric machine structure, and the stator of hollow type inner-rotor brushless motor is coil, and itself and column casing inwall are fixedly linked and are integrated. the rotor of hollow type inner-rotor brushless motor is that a circle tile-shaped magnet steel group, tile-shaped magnet steel group are fixed on a cylindrical shape axle sleeve 4, and axle sleeve 4 is fixed on quill 5. moment angular transducer 12 of the present invention can adopt contactless EPS sensor to may be used without contact EPS sensor, moment angular transducer 12 is mainly used in transmitting the signal of steering wheel rotation torque signal and wheel steering angle to controller (ECU), makes controller (ECU) control motor and realizes electric steering column formula power-assisted steering. torsion bar two ends, torsion bar 10 two ends of the present invention can all adopt straight pin to fix with power shaft 7 and output shaft 11, it is possible in the cup-shaped hole of one end spline press-in output shaft 11, the other end is fixed with power shaft 7 by straight pin. power assisting device of the present invention can be fabricated to independent booster engine head unit, power shaft 7 and output shaft 11 and be connected respectively through the universal joint steering spindle with steering wheel for vehicle and lower drive shaft. also integral electric column assy can be fabricated to, namely traditional steering column and head power assisting device are designed to one, described power shaft 7 upper end is directly connected with steering wheel for vehicle by steering spindle, and described output shaft 11 is directly connected with the machine input that turns to of vehicle by lower drive shaft assembly.During Vehicular turn, driver turn steering wheel band driven input shaft 7 rotates, power shaft 7 drives torsion bar 10 one end to rotate, the torsion bar other end can not rotate, make torsion bar 10 torsional deflection, torsion bar 10 is produced torsional deflection by moment angular transducer 12, sensor is made to generate moment and angular output signal, it is converted into the signal of telecommunication and sends to controller (ECU), controller (ECU) sends instruction according to this signal to hollow type inner-rotor brushless motor, drives hollow type inner-rotor brushless motor to rotate to the direction of rotation power-assisted of steering wheel. Now magnetic steel rotor 3 drives quill 5 to rotate, the moment of torsion that quill 5 is rotated by planetary reducer 8 passes to output shaft 11 after amplifying, planetary reducer 8 can reach increase output torque and drop slow-revving effect by internal two-stage speed change, improves transmission efficiency simultaneously. In the present invention, motor and steering column are coaxially disposed, take up room little, will not interfering with peripheral parts, remove and install easy and simple to handle, planetary reducer 8 torque multiplication is passed through in the action of motor, compared with existing electric booster, machinery driving efficiency is increased dramatically, it is possible to what make vehicle turns to operation more flexible, light, and stability is higher, increase output moment of torsion, it is possible to the active realizing steering mechanism is just returned. The installation site of power assisting device of the present invention is consistent with existing vehicle, do not need to change vehicle steering machine structure, and power assisting device is arranged in driving cabin, have employed brushless electric machine, decrease the impact of electromagnetic compatibility, not affected by environment, failure rate is low, long service life, same size size, output torque is big. The present invention adopts planetary reducer can realize output shaft and is coaxially disposed with tubing string, identical with the installation site of output shaft in traditional steering column, can directly replace existing steering column product, not need other parts of vehicle are transformed. The planetary reducer 8 used in the present invention can adopt multiple existing planetary reducer structure, for instance dual planetary gear decelerator, planet gear speed reducer with small tooth difference etc. Certain present invention may be used without the reducing gear of other form and carrys out the increase moment of torsion of the spinning movement to quill 5, but other reducing gear is difficult to output shaft on the one hand to be co-axially mounted with tubing string, own vol is also all higher than planetary reducer on the other hand, though therefore the planetary reducer in the present invention can use other type of reducing gear to replace, but result of use can be had a greatly reduced quality. First location bearing 22 of the present invention and the second location bearing 23 can pass through back-up ring or other connector and realize axial location with quill 5. This structure supports for quill 5 is formed, and prevents quill 5 from moving axially, it is ensured that the internal each parts of transfer are accurately positioned, and will not the detection data of each sensor be impacted. During vehicle assembling, the controller integration being used for receiving sensor signal and control brushless electric machine action can be arranged on housing 1, it is possible to be independently fixed on by sensor on other parts of vehicle. The present invention is in order to position the magnetic steel rotor 3 of hollow type inner-rotor brushless motor, implement to control thus realizing the operating condition to hollow type inner-rotor brushless motor, installation site sensor between magnetic steel rotor 3 end face and the overcoat end face of planetary reducer 8 of described hollow type inner-rotor brushless motor, including a pushing out ring 14, is pasted onto double; two magnet rings 13 of pushing out ring end face, a sensor circuit plate 15.The turned position of monitoring magnetic steel rotor 3 can be carried out monitor in real time by position sensor, thus realizing the controller (ECU) control to electric machine rotation. position sensor 13 of the present invention can adopt polytype position sensors such as incremental encoder formula position sensor, Rotary transformer type position sensor, photoelectric position sensor, wherein preferred structure is incremental encoder formula position sensor, and this incremental encoder formula position sensor is particularly suitable for centre the structure of axis. this pair of magnet ring is by magnetic steel rotor 3 synchronous axial system with hollow type inner-rotor brushless motor, and the sensor circuit plate of incremental encoder formula position sensor and the overcoat end face of planetary reducer 8 are fixed. the advantage of incremental encoder formula position sensor is self to have hollow type structure, it is simple to directly fixedly mount on quill, and its cost is also minimum relative to the position sensor of other structure. the present invention in order to increase the radius of double, two magnet ring as far as possible when installation site is limited, detection signal more accurately this structure making incremental encoder formula position sensor can also make double, two magnet ring 13 away from the magnetic links of magnetic steel rotor 3, it is to avoid incremental encoder formula position sensor is subject to magnetic interference. the present invention be restriction output shaft 11 and power shaft 7 between relative rotation angle be maintained at designing requirement ± 4 ~ 8 ° between, have employed flat recess double inclined surface structure. except above-mentioned flat recess double inclined surface structure, the present invention also can adopt similar four grooves, six grooves and the various structures such as the spline corner gap to limit between power shaft 11 and power shaft 7 with gap, but these structures may increase the installation difficulty of other parts and procedure of processing relative complex. these structures are all well-known structures. planetary reducer 8 of the present invention can adopt various structures to be connected with housing 1, for instance may be mounted at housing outfan, it is also possible to is arranged in lower cover, wherein preferred structure is: planetary reducer 8 is fixedly mounted in housing outfan, and housing 1 arranges lower cover 9 away from one end of upper cover 6, and lower cover 9 is connected by bolt or other connector with housing 1. this structure does not need the shell mechanism of existing planetary reducer 8 assembly product is transformed, low production cost, and planetary reducer 8 can be played location and protective effect by lower cover 9, planetary reducer 8 and other parts of vehicle are prevented in steering column installation or removal process to collide with and impaired, in figure, 28 is steering column, 26 is lower drive shaft, in figure, 18 is moment angular transducer plug, 19 is brushless electric machine plug, 20 is position sensor plug, during vehicle assembling, square angular transducer plug, brushless electric machine plug and position sensor plug are connected each through the wire controller ECU with vehicle and vehicle power supply.
Claims (4)
1. a compact steering tube pillar motorcar electric power assisting device, it is characterized in that: include housing (1), housing (1) and diaphragm plate one, mounting torque angular transducer (12) between upper cover and housing (1) diaphragm plate, middle installation hollow type inner-rotor brushless motor, planetary reducer (8) is installed in housing (1) output shaft side; The coil stator (2) of hollow type inner-rotor brushless motor is fixing with housing (1) inwall to be connected, its magnetic steel rotor (3) is fixed on axle sleeve (4), and axle sleeve (4) is fixedly mounted on quill (5); Quill (5) one end positions bearing (22) by second and is located by connecting with diaphragm plate, quill (5) other end is located by connecting with planetary reducer (8) by the 3rd location bearing (23), the other end of quill (5) is namely as the power shaft of planetary reducer (8), the processing of its end has external tooth, and external tooth engages with the planetary gear of planetary reducer (8) input;Output shaft (11) is installed in quill (5), being supported by needle bearing (16) and the 4th location, location bearing (24) respectively between output shaft (11) two ends and quill (5), output shaft (11) is connected with the output terminal link of planetary reducer (8), power shaft (7) is supported by the first needle bearing (16) location positioning bearing (21) and power shaft opposite side, the housing (1) of power shaft (7) one end installs upper cover (6), upper cover (6) is connected with housing (1) seam, power shaft (7) can be connected with the steering spindle of vehicle steering column, torsion bar (10) and moment angular transducer (12) are installed between power shaft (7) and output shaft (11), torsion bar (10) one end is fixing with power shaft (7) to be connected, torsion bar (10) other end is fixing with output shaft (11) to be connected, hollow type inner-rotor brushless motor and planetary reducer (8) are all hollow, output shaft (11) can pass from centre, quill (5) outfan is exactly the input of planetary reducer (8), the processing of quill (5) outfan has external tooth directly to drive planetary reducer to work, the outfan planet carrier endoporus of planetary reducer can pass through key and be connected with output shaft (11), to ensure the reliability of high pulling torque that output shaft exports, the housing (1) of output shaft (11) one end installs lower cover (25), lower cover (25) is connected with housing (1) seam, and the overcoat of fixing planetary reducer, power shaft (7) can be connected with the steering spindle of vehicle steering column, torsion bar (10) and moment angular transducer (12) are installed between power shaft (7) and output shaft (11), torsion bar (10) one end is fixing with power shaft (7) to be connected, torsion bar (10) other end is fixing with output shaft (11) to be connected, hollow type inner-rotor brushless motor and planetary reducer (8) are all hollow, output shaft (11) can pass from centre, quill (5) outfan is exactly the input of planetary reducer (8), the processing of quill (5) outfan has external tooth directly to drive planetary reducer to work, the outfan planet carrier endoporus of planetary reducer can pass through key and be connected with output shaft (11), to ensure the reliability of high pulling torque that output shaft exports, housing (1) arranges lower cover (9) away from one end of upper cover (6), lower cover (9) is connected with housing (1) seam, output shaft (11) stretches out in the middle of lower cover (9), steering gear input shaft can be connected to lower drive shaft.
2. a kind of compact steering tube pillar motorcar electric power assisting device according to claim 1, it is characterized in that: installation site sensor between magnetic steel rotor (3) and the planetary reducer (8) of described hollow type inner-rotor brushless motor, described position sensor is incremental encoder formula position sensor, double, two magnet rings (13) of incremental encoder formula position sensor and a pushing out ring (14) are with magnetic steel rotor (3) synchronous axial system of hollow type inner-rotor brushless motor, the sensor circuit plate of incremental encoder formula position sensor is fixing with the end face of planetary reducer (8) to be connected, double, two magnet rings (13) of described incremental encoder formula position sensor are connected with quill (5) by a pushing out ring (14), pushing out ring (14) has a circular fold away from one end of magnetic steel rotor (3), double, two magnet rings (13) of incremental encoder formula position sensor are bonded on circular fold with one heart, this pair of magnet ring together rotates with the magnetic steel rotor (3) of hollow type inner-rotor brushless motor.
3. a kind of compact steering tube pillar motorcar electric power assisting device according to claim 2, it is characterized in that: described output shaft (11) arranges shrinkage pool near one end of steering spindle (7), this shrinkage pool can be yi word pattern groove, cross recess, six word grooves, corresponding boss is had to be inserted therein in power shaft end, ensure that mutual left and right directions two produces the gap of 4～8 °, needle bearing (17) is installed between cylinder outside output shaft shrinkage pool medial wall and power shaft boss, the coil stator (2) of hollow type inner-rotor brushless motor is fixing with housing (1) inwall to be connected, its magnetic steel rotor (3) is fixed on axle sleeve (4), axle sleeve (4) is fixedly mounted on quill (5), quill (5) one end is connected with diaphragm plate by the second location bearing (22), quill (5) other end is located by connecting with planetary reducer (8) by the 3rd location bearing (23).
4. a kind of compact steering tube pillar motorcar electric power assisting device according to claim 3, it is characterized in that: the other end of quill (5) is namely as the power shaft of planetary reducer (8), the processing of this end has external tooth, external tooth engages with the planetary gear of planetary reducer (8) input, output shaft (11) is installed in quill (5), supported by needle bearing (16) and the 4th location, location bearing (24) respectively between output shaft (11) two ends and quill (5), output shaft (11) is connected with the output terminal link of planetary reducer (8), power shaft (7) is by the first location bearing (21) in upper cover and needle bearing (16) the location support being arranged on output shaft endoporus, the housing (1) of power shaft (7) one end installs upper cover (6), upper cover (6) is connected with housing (1) seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167606.3A CN105667581A (en) | 2016-03-22 | 2016-03-22 | Compact steering column type automobile electric power assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167606.3A CN105667581A (en) | 2016-03-22 | 2016-03-22 | Compact steering column type automobile electric power assisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105667581A true CN105667581A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167606.3A Withdrawn CN105667581A (en) | 2016-03-22 | 2016-03-22 | Compact steering column type automobile electric power assisting device |
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| Country | Link |
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| CN (1) | CN105667581A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627742A (en) * | 2016-09-23 | 2017-05-10 | 华南农业大学 | Steering device of automatic driving vehicle |
| CN106864587A (en) * | 2017-04-14 | 2017-06-20 | 无锡市宝通流体设备有限公司 | Pipe column type electric servo steering device |
| CN107914762A (en) * | 2016-10-09 | 2018-04-17 | 中国北方车辆研究所 | A kind of electric direction varying device input shaft and screw rod assembly and its device |
| CN111315634A (en) * | 2017-11-07 | 2020-06-19 | 欧尼贝耐电力股份公司 | Electric power steering apparatus |
-
2016
- 2016-03-22 CN CN201610167606.3A patent/CN105667581A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627742A (en) * | 2016-09-23 | 2017-05-10 | 华南农业大学 | Steering device of automatic driving vehicle |
| CN107914762A (en) * | 2016-10-09 | 2018-04-17 | 中国北方车辆研究所 | A kind of electric direction varying device input shaft and screw rod assembly and its device |
| CN106864587A (en) * | 2017-04-14 | 2017-06-20 | 无锡市宝通流体设备有限公司 | Pipe column type electric servo steering device |
| CN111315634A (en) * | 2017-11-07 | 2020-06-19 | 欧尼贝耐电力股份公司 | Electric power steering apparatus |
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Application publication date: 20160615 |