CN109131534A - A kind of recirculating ball-type steering - Google Patents
A kind of recirculating ball-type steering Download PDFInfo
- Publication number
- CN109131534A CN109131534A CN201811184654.9A CN201811184654A CN109131534A CN 109131534 A CN109131534 A CN 109131534A CN 201811184654 A CN201811184654 A CN 201811184654A CN 109131534 A CN109131534 A CN 109131534A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- nut
- ball
- interior
- type steering
- 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.)
- Pending
Links
- 230000003134 recirculating effect Effects 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/04—Steering gears mechanical of worm type
- B62D3/06—Steering gears mechanical of worm type with screw and nut
- B62D3/08—Steering gears mechanical of worm type with screw and nut using intermediate balls or the like
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
This application discloses a kind of recirculating ball-type steerings, including shell, input shaft, interior cycle reverses device and output shaft, input shaft, interior cycle reverses device and output shaft are disposed in the housing, interior cycle reverses device includes screw rod, nut, steel ball, end cap and reversed ball-returning device, screw rod is equipped with input terminal, the input terminal of screw rod passes through end cap and input axis connection, screw rod rotation is driven by the rotation of input shaft, nut is sheathed on outside screw rod, the outer rollaway nest for steel ball rolling is equipped on the outside of screw rod, reversed ball-returning device is set on the inside of nut, reversed ball-returning device is equipped with interior rollaway nest, interior rollaway nest matches the interior cyclic track to be formed for steel ball rolling with outer rollaway nest, screw rod rotate driving steel ball rolling, and then nut is driven to move along the length direction of screw rod, nut and output shaft cooperate, make to drive output shaft rotation when nut is mobile.Recirculating ball-type steering provided by the invention, raceway intensity is high, runs smoothly, can transmit bigger torque, is suitable for wider vehicle and road conditions.
Description
Technical field
The present invention relates to automotive field more particularly to a kind of recirculating ball-type steerings.
Background technique
Recirculating ball-type steering is mainly made of components such as screw rod, nut, steering gear housing and many small balls, so-called
Circulating ball refers to is exactly these small balls, they are placed in the pipeline liquid injecting device between nut and screw rod, play nut
Sliding friction between screw rod is changed into the effect of the lesser rolling friction of resistance, is secured together when with wheel steering tubing string
Screw rod rotate after, screw rod push nut move up and down, nut driven by gear pitman arm back and forth shake from
And it realizes and turns to.In this process, the rolling that those small balls just move in circles in closed pipeline, so this turn
Recirculating ball-type steering is thus referred to as to device.Traditional ball-and-nut steering gear, circulating ball part generally use cannula type design, will
Steel ball reverser is external.Since circulating ball part receiving load is big, cannula type reverser is easily damaged, and is unable to satisfy reality
Working environment need, and the entire diverter that is once damaged needs integral replacing.
Summary of the invention
For the present invention in view of the above-mentioned problems, proposing a kind of recirculating ball-type steering, raceway intensity is higher, and operation is more stable,
Bigger torque can be transmitted, wider vehicle and road conditions are suitable for.
The technical solution adopted by the present invention is as follows: the present invention provides a kind of recirculating ball-type steering, including shell, input
Axis, interior cycle reverses device and output shaft, the input shaft, the interior cycle reverses device and the output shaft are set to the shell
In vivo, one end of the interior cycle reverses device connects the input shaft, and the side of the interior cycle reverses device connects the output
Axis, the interior cycle reverses device include screw rod, nut, steel ball, end cap and reversed ball-returning device, and the screw rod is equipped with input terminal,
The input terminal of the screw rod passes through the end cap and the input axis connection, drives screw rod rotation, institute by the rotation of input shaft
It states nut to be sheathed on outside the screw rod, the outer rollaway nest for the steel ball rolling, the reversed ball-returning device is equipped on the outside of the screw rod
On the inside of the nut, the reversed ball-returning device is equipped with the interior rollaway nest cooperated with the outer rollaway nest, the interior rollaway nest with it is described
Outer rollaway nest matches the interior cyclic track to be formed for steel ball rolling, the screw rod rotate driving steel ball rolling, and then drives nut
It is moved along the length direction of screw rod, the nut and the output shaft cooperate, so that driving output shaft rotation when nut is mobile.
In one embodiment of the invention, the nut outer wall be equipped with rack gear, the output shaft be equipped with gear, the rack gear with
The gear engagement.
It further include torsion bar in one embodiment of the invention, the torsion bar is set in the input shaft, and is connected with the screw rod
It connects, elastic deformation can occur for the torsion bar.
In one embodiment of the invention, the interior cycle reverses device further includes two thrust ball bearings, two thrust ball axis
It holds and is respectively arranged on the shell and the end cap, be used to support the screw rod.
It further include force aid system in one embodiment of the invention, the force aid system includes motor, controller, angle biography
Sensor, worm screw and worm gear, the worm gear are set to the input terminal position of the screw rod, and the angular transducer is set to the input
Between axis and the input terminal of the screw rod, the controller connects the angular transducer and the motor, described for receiving
Angle signal that angular transducer detects simultaneously controls the motor according to the angle signal, the output shaft of the motor with it is described
Worm screw connection, the worm screw engage with the worm gear.
In one embodiment of the invention, the sensor is touch sensor or noncontacting proximity sensor.
In one embodiment of the invention, the controller connects to be equipped in the circuit of the angular transducer and the motor
Relay.
It further include retarder in one embodiment of the invention, the retarder is equipped with input terminal and output end, the deceleration
The input terminal of device is connect with the output end of the motor, and the output end of the retarder is connect with the controller.
In one embodiment of the invention, the shell is equipped with oil diverting port, imports lubricating oil for inside cyclic track.
It further include elastic spacing device in one embodiment of the invention, shown elastic spacing device is set to the shell or described
On end cap, for buffering of the interior cycle reverses device in extreme position.
The beneficial effects of the present invention are: the present invention provides a kind of recirculating ball-type steering, including shell, input shaft, interior follow
Ring reverser and output shaft, interior cycle reverses device include screw rod, nut, steel ball, end cap and reversed ball-returning device, when operation,
The steering force of input is transferred to screw rod by input shaft, and screw motion drives outer rollaway nest and reversed ball-returning device of the steel ball in screw rod
Interior rollaway nest is formed by reciprocating rolling in interior circulation raceway, and then pushes nut movement, nut drive output shaft move back and forth from
And realize and turn to, interior cycle reverses device is compact-sized, and positioning is reliable, and raceway intensity is higher, and operation is more stable, can transmit bigger
Torque is suitable for wider vehicle and road conditions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of recirculating ball-type steering of the invention;
Fig. 2 is the side view of recirculating ball-type steering of the invention;
Fig. 3 is the structural schematic diagram of interior cycle reverses device of the invention;
Fig. 4 is the schematic diagram of the interior rollaway nest of reversed ball-returning device of the invention.
Each appended drawing reference in figure are as follows: 1, shell, 2, input shaft, 3, output shaft, 4, screw rod, 5, nut, 6, steel ball, 7, end
Lid, 8, reversed ball-returning device, 9, torsion bar, 10, thrust ball bearing, 11, motor, 12, controller, 13, angular transducer, 14, worm gear,
31, gear, 41, outer rollaway nest, 51, rack gear, 81, interior rollaway nest.
Specific embodiment
Below with reference to each attached drawing, by specific embodiment, the present invention in detail, completely describe.
It please refers to shown in Fig. 1-3, the present invention provides a kind of recirculating ball-type steering, including shell 1, input shaft 2, interior circulation
Reverser and output shaft 3, input shaft 2, interior cycle reverses device and output shaft 3 are set in shell 1, and the one of interior cycle reverses device
End connection input shaft 2, the side of interior cycle reverses device connect output shaft 3, and interior cycle reverses device includes screw rod 4, nut 5, steel ball
6, end cap 7 and reversed ball-returning device 8, screw rod 4 are equipped with input terminal, and the input terminal of screw rod 4 passes through end cap 7 and connect with input shaft 2, leads to
The rotation for crossing input shaft 2 drives screw rod 4 to rotate, and nut 5 is sheathed on outside screw rod 4, outer equipped with rolling for steel ball 6 on the outside of screw rod 4
Raceway, reversed ball-returning device 8 are set to 5 inside of nut, and reversed ball-returning device 8 is bolted with nut 5, and reversed ball-returning device 8 is equipped with
With the interior rollaway nest of outer rollaway nest cooperation, interior rollaway nest matches the interior cyclic track to be formed and be rolled for steel ball 6 with raceway, and screw rod 4 rotates
It driving steel ball 6 to roll, and then nut 5 is driven to move along the length direction of screw rod 4, the outside of nut 5 and output shaft 3 cooperate,
So that driving output shaft 3 to rotate when nut 5 is mobile.When operation, the steering force of input is transferred to screw rod 4, screw rod 4 by input shaft 2
Movement drives steel ball 6 to be formed by closed raceway and move in circles in the outer rollaway nest of screw rod 4 and the interior rollaway nest of reversed ball-returning device 8
It rolls, and then nut 5 is pushed to move, nut 5 drives output shaft 3 to move back and forth to realize steering, interior cycle reverses device structure
Compact, positioning is reliable, and raceway intensity is higher and not easy to wear, and operation is more stable, can transmit bigger torque, what steel ball 6 returned
For raceway apart from short, friction loss is small, high-efficient, and steel ball 6 is not easy to slip, and is suitable for wider vehicle and road conditions.
5 outer wall of nut is equipped with rack gear 51, and output shaft 3 is equipped with gear 31, and rack gear 51 is engaged with gear 31, and nut 5 will turn to
Power is transferred to output shaft 3 in such a way that rack gear 51 is rotated with moving gear 31, so that output shaft 3, which exports steering force, realizes steering.
The recirculating ball-type steering further includes torsion bar 9, and torsion bar 9 is set in input shaft 2, and is connect with screw rod 4, torsion bar 9
Elastic deformation can occur.Input shaft 2, torsion bar 9 and screw rod 4 are press fit together, and torsion bar 9 is flexible, when rotating input shaft 2,
Flexible deformation occurs for torsion bar 9, can produce relative rotation between input shaft 2 and screw rod 4.
Interior cycle reverses device further includes two thrust ball bearings 10, two thrust ball bearings 10 be respectively arranged in shell 1 with
On end cap 7, it is used to support screw rod 4.Thrust ball bearing 10 can bear thrust load when screw rod 4 runs at high speed, with ensure can be with
Bear the biggish axial force of screw rod 4.
The recirculating ball-type steering further includes force aid system, and force aid system includes motor 11, controller 12, angle sensor
Device 13, worm screw and worm gear 14, worm gear 14 are set to the input terminal of screw rod 4, and angular transducer 13 is set to input shaft 2 and screw rod 4
Between input terminal, controller 12 connects angular transducer 13 and motor 11, the angle detected for receiving angle sensor 13
Signal simultaneously controls motor 11 according to the angle signal, worm screw by the output axis connection of a set of shaft coupling and motor 11, worm screw and
Worm gear 14 engages.Steering system is commonly installed electric booster system, is when turning to reduce weight and save energy loss
Driver provides power-assisted, reduces driving fatigue.When having relative rotation between input shaft 2 and screw rod 4, angular transducer 13 is detected
Angle signal is transferred to controller 12, the size of torque is calculated by controller 12, and will and control according to the angle signal
Motor 11, the output shaft of motor 11 drive worm screw rotation, and worm drive worm gear 14 rotates, and then steering force is transferred to by worm gear 14
Then screw rod 4 drives steel ball 6 to be formed by closed raceway and recycle in the outer rollaway nest of screw rod 4 and the interior rollaway nest of reversed ball-returning device 8
Reciprocating rolling, and then nut 5 is pushed to move, nut 5 drives output shaft 3 to move back and forth, and completes assist function.
Angular transducer 13 is touch sensor or noncontacting proximity sensor.Angular transducer 13 is including inner ring and outside
Circle, inner ring are welded on screw rod 4, and outer ring is welded on input shaft 2, and angular transducer 13 can detecte screw rod 4 and input shaft 2
The signal generated when relative rotation, and it is transferred to controller 12.
Controller 12, which connects, is equipped with relay in the circuit of angular transducer 13 and motor 11, when exception occurs in force aid system
When, rapid cut-out switch, to guarantee force aid system safety.Electronic switch has the defencive functions such as overcurrent, overheat, short circuit, improves
The security reliability of system.
The recirculating ball-type steering further includes retarder, and retarder is equipped with input terminal and output end, the input of retarder
End is connect with the output end of motor 11, and the output end of retarder is connect with controller 12, and power-assisted signal is transferred to by motor 11 to be subtracted
It in fast device, can be adjusted to travel speed by retarder, driver comfort can be increased and reduce security risk.
Shell 1 is equipped with oil diverting port, imports lubricating oil, lubricating oil steel ball 6 and interior circulation rail for inside cyclic track
Road prevents steel ball 6 from getting rusty or wearing, while keeping transmission more smooth.
The recirculating ball-type steering further includes elastic spacing device, and elastic spacing device is respectively arranged in shell 1 or end cap 7
On, for buffering of the interior cycle reverses device in extreme position.Preferably, the both ends of interior cycle reverses device are respectively equipped with bullet
Property limiter, two elastic spacing devices are respectively arranged on end cap 7 and shell 1, for interior cycle reverses device in extreme position
Buffering.Diverter easily makes a noise in extreme position, can improve noise problem by elastic spacing device, and to limit position
Setting also has certain protective effect, increases the reliability of diverter.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field similarly includes within the scope of the present invention.
Claims (10)
1. a kind of recirculating ball-type steering, which is characterized in that including shell, input shaft, interior cycle reverses device and output shaft, institute
It states input shaft, the interior cycle reverses device and the output shaft to be disposed in the housing, one end of the interior cycle reverses device
Connect the input shaft, the side of the interior cycle reverses device connects the output shaft, the interior cycle reverses device include screw rod,
Nut, steel ball, end cap and reversed ball-returning device, the screw rod are equipped with input terminal, and the input terminal of the screw rod passes through the end cap
With the input axis connection, screw rod rotation is driven by the rotation of input shaft, the nut is sheathed on outside the screw rod, the spiral shell
The outer rollaway nest for the steel ball rolling is equipped on the outside of bar, the reversed ball-returning device is set on the inside of the nut, the reversed Hui Zhu
Device is equipped with the interior rollaway nest cooperated with the outer rollaway nest, and the interior rollaway nest matches to be formed in steel ball rolling with the outer rollaway nest
Cyclic track, the screw rod rotate driving steel ball rolling, and then nut is driven to move along the length direction of screw rod, the nut
Cooperate with the output shaft, so that driving output shaft rotation when nut is mobile.
2. recirculating ball-type steering as described in claim 1, which is characterized in that the nut outer wall is equipped with rack gear, described defeated
Shaft is equipped with gear, and the rack gear is engaged with the gear.
3. recirculating ball-type steering as described in claim 1, which is characterized in that further include torsion bar, the torsion bar is set to described
It in input shaft, and is connect with the screw rod, elastic deformation can occur for the torsion bar.
4. recirculating ball-type steering as described in claim 1, which is characterized in that the interior cycle reverses device, which further includes two, to be pushed away
Power ball bearing, two thrust ball bearings are respectively arranged on the shell and the end cap, are used to support the screw rod.
5. recirculating ball-type steering as described in claim 1, which is characterized in that it further include force aid system, the force aid system
Including motor, controller, angular transducer, worm screw and worm gear, the worm gear is set to the input terminal of the screw rod, the angle
Sensor is set between the input shaft and the input terminal of the screw rod, and the controller connects the angular transducer and described
Motor, it is described for receiving angle signal that the angular transducer detects and controlling the motor according to the angle signal
The output shaft of motor is connect with the worm screw, and the worm screw engages with the worm gear.
6. recirculating ball-type steering as claimed in claim 5, which is characterized in that the sensor is touch sensor or non-
Touch sensor.
7. recirculating ball-type steering as claimed in claim 5, which is characterized in that the controller connects the angular transducer
With in the circuit of the motor be equipped with relay.
8. recirculating ball-type steering as claimed in claim 5, which is characterized in that further include retarder, the retarder is equipped with
Input terminal and output end, the input terminal of the retarder are connect with the output end of the motor, the output end of the retarder with
The controller connection.
9. recirculating ball-type steering as described in claim 1, which is characterized in that the shell be equipped with oil diverting port, for
Interior cyclic track imports lubricating oil.
10. recirculating ball-type steering as described in claim 1, which is characterized in that it further include elastic spacing device, the elasticity limit
Position device is set on the shell or the end cap, for buffering of the interior cycle reverses device in extreme position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811184654.9A CN109131534A (en) | 2018-10-11 | 2018-10-11 | A kind of recirculating ball-type steering |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811184654.9A CN109131534A (en) | 2018-10-11 | 2018-10-11 | A kind of recirculating ball-type steering |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109131534A true CN109131534A (en) | 2019-01-04 |
Family
ID=64811102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811184654.9A Pending CN109131534A (en) | 2018-10-11 | 2018-10-11 | A kind of recirculating ball-type steering |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109131534A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112026915A (en) * | 2020-09-23 | 2020-12-04 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus and torque transmission mechanism thereof |
CN112026914A (en) * | 2020-09-23 | 2020-12-04 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus |
CN112061230A (en) * | 2020-09-23 | 2020-12-11 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus and torque transmission apparatus thereof |
CN112145647A (en) * | 2020-09-23 | 2020-12-29 | 杭州世宝汽车方向机有限公司 | Housing and apparatus for a torque transmission assembly |
CN112623018A (en) * | 2020-11-16 | 2021-04-09 | 浙江万安科技股份有限公司 | Non-circulation type automobile power steering gear and automobile |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006224816A (en) * | 2005-02-17 | 2006-08-31 | Nsk Ltd | Column assist type electric power steering device |
CN101114781A (en) * | 2006-07-28 | 2008-01-30 | 株式会社美姿把 | Electric motor with reduction gear mechanism |
CN101126437A (en) * | 2007-09-14 | 2008-02-20 | 李敬宇 | Ball guide-screw pair |
CN201494494U (en) * | 2009-08-21 | 2010-06-02 | 沙市久隆汽车动力转向器有限公司 | High-pressure circulating ball power steering gear |
CN201615196U (en) * | 2009-12-04 | 2010-10-27 | 宁波恒力汽配轴承有限公司 | Ball screw nut component |
CN201687911U (en) * | 2009-12-01 | 2010-12-29 | 西安华欧精密机械有限责任公司 | Ball screw pair with double plugboard nuts |
CN202228620U (en) * | 2011-09-30 | 2012-05-23 | 优励聂夫(南京)科技有限公司 | Ball screw pair of internal circulation reverse structure |
CN202228619U (en) * | 2011-09-30 | 2012-05-23 | 优励聂夫(南京)科技有限公司 | Steel ball reversing mechanism for ball screw assembly |
CN102951197A (en) * | 2012-10-30 | 2013-03-06 | 杭州世宝汽车方向机有限公司 | Hydraulic power assisted diverter of circulating ball with floatable piston |
CN206171552U (en) * | 2016-10-08 | 2017-05-17 | 毕大宁 | Integral circulation sphere type electric redirector |
CN206569131U (en) * | 2017-02-28 | 2017-10-20 | 北京汽车研究总院有限公司 | A kind of recirculating ball-type steering assembly and automobile |
CN207292114U (en) * | 2017-08-31 | 2018-05-01 | 上海莱恩精密机床附件有限公司 | A kind of Recirculating Ball Steering Gear for Motor Vehicles |
CN207762212U (en) * | 2017-12-28 | 2018-08-24 | 上海莱恩精密机床附件有限公司 | A kind of end plug type circulator and ball-screw |
CN209037657U (en) * | 2018-10-11 | 2019-06-28 | 杭州世宝汽车方向机有限公司 | A kind of recirculating ball-type steering |
-
2018
- 2018-10-11 CN CN201811184654.9A patent/CN109131534A/en active Pending
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006224816A (en) * | 2005-02-17 | 2006-08-31 | Nsk Ltd | Column assist type electric power steering device |
CN101114781A (en) * | 2006-07-28 | 2008-01-30 | 株式会社美姿把 | Electric motor with reduction gear mechanism |
CN101126437A (en) * | 2007-09-14 | 2008-02-20 | 李敬宇 | Ball guide-screw pair |
CN201494494U (en) * | 2009-08-21 | 2010-06-02 | 沙市久隆汽车动力转向器有限公司 | High-pressure circulating ball power steering gear |
CN201687911U (en) * | 2009-12-01 | 2010-12-29 | 西安华欧精密机械有限责任公司 | Ball screw pair with double plugboard nuts |
CN201615196U (en) * | 2009-12-04 | 2010-10-27 | 宁波恒力汽配轴承有限公司 | Ball screw nut component |
CN202228620U (en) * | 2011-09-30 | 2012-05-23 | 优励聂夫(南京)科技有限公司 | Ball screw pair of internal circulation reverse structure |
CN202228619U (en) * | 2011-09-30 | 2012-05-23 | 优励聂夫(南京)科技有限公司 | Steel ball reversing mechanism for ball screw assembly |
CN102951197A (en) * | 2012-10-30 | 2013-03-06 | 杭州世宝汽车方向机有限公司 | Hydraulic power assisted diverter of circulating ball with floatable piston |
CN206171552U (en) * | 2016-10-08 | 2017-05-17 | 毕大宁 | Integral circulation sphere type electric redirector |
CN206569131U (en) * | 2017-02-28 | 2017-10-20 | 北京汽车研究总院有限公司 | A kind of recirculating ball-type steering assembly and automobile |
CN207292114U (en) * | 2017-08-31 | 2018-05-01 | 上海莱恩精密机床附件有限公司 | A kind of Recirculating Ball Steering Gear for Motor Vehicles |
CN207762212U (en) * | 2017-12-28 | 2018-08-24 | 上海莱恩精密机床附件有限公司 | A kind of end plug type circulator and ball-screw |
CN209037657U (en) * | 2018-10-11 | 2019-06-28 | 杭州世宝汽车方向机有限公司 | A kind of recirculating ball-type steering |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112026915A (en) * | 2020-09-23 | 2020-12-04 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus and torque transmission mechanism thereof |
CN112026914A (en) * | 2020-09-23 | 2020-12-04 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus |
CN112061230A (en) * | 2020-09-23 | 2020-12-11 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus and torque transmission apparatus thereof |
CN112145647A (en) * | 2020-09-23 | 2020-12-29 | 杭州世宝汽车方向机有限公司 | Housing and apparatus for a torque transmission assembly |
CN112026915B (en) * | 2020-09-23 | 2021-10-26 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus and torque transmission mechanism thereof |
CN112026914B (en) * | 2020-09-23 | 2022-04-01 | 杭州世宝汽车方向机有限公司 | Electric power steering apparatus |
CN112623018A (en) * | 2020-11-16 | 2021-04-09 | 浙江万安科技股份有限公司 | Non-circulation type automobile power steering gear and automobile |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109131534A (en) | A kind of recirculating ball-type steering | |
CN107380252B (en) | Steering device | |
US10647346B2 (en) | Electrically-powered recirculating-ball steering gear assembly | |
CN103352960B (en) | The retarder of electrically powered steering apparatus using same | |
KR100651141B1 (en) | Electrically-assisted power steering apparatus | |
US20140311263A1 (en) | Worm and wheel power steering gearbox | |
KR20130048837A (en) | Rack assist type steering apparatus and rack assist type electric power steering apparatus having the same | |
JP5483729B2 (en) | Steer-by-wire steering device and vehicle equipped with the same | |
CN110509980A (en) | Steering actuator for vehicle | |
US9873454B2 (en) | Ball-screw assembly isolator having compressible members | |
CN112660234A (en) | Double-motor steer-by-wire system of commercial vehicle | |
CN209037657U (en) | A kind of recirculating ball-type steering | |
JP2015044479A (en) | Vehicular steering device | |
EP1730013B1 (en) | A linear electromechanical actuator for a steering system of a motor vehicle | |
JP2015166223A (en) | Vehicular steering device | |
CN205706840U (en) | A kind of vehicle steering mechanism | |
CN106364547A (en) | Rack assist type power steering apparatus | |
CN114560008A (en) | Steering system and vehicle | |
CN214985622U (en) | Screw rod slideway type parallel output electric power steering gear | |
CN216185448U (en) | Double-motor power-assisted steering device | |
CN110588764A (en) | Steering apparatus for use with a vehicle | |
US7694601B2 (en) | Gear device and electric power steering apparatus | |
CN202608865U (en) | Electric power-assisting steering column | |
CN115959195A (en) | Steering transmission system with redundant power assistance | |
CN217804895U (en) | Steering system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |