CN113415338A - Steering-by-wire road feel feedback device - Google Patents
Steering-by-wire road feel feedback device Download PDFInfo
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- CN113415338A CN113415338A CN202110786115.8A CN202110786115A CN113415338A CN 113415338 A CN113415338 A CN 113415338A CN 202110786115 A CN202110786115 A CN 202110786115A CN 113415338 A CN113415338 A CN 113415338A
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- output shaft
- assembly
- shell
- fixed
- feedback device
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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
- B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
- B62D5/005—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback
- B62D5/006—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback power actuated
Abstract
The invention discloses a line control steering road feel feedback device, which comprises: an output shaft of the motor assembly component enters the shell from the left side wall or the right side wall of the shell, and is connected with an output shaft component in the shell through a belt transmission part, and the output shaft component is used for outputting a road sensing feedback force; the output shaft assembly penetrates through the shell and is fixed in the shell, and the output shaft assembly is connected with the output of the steer-by-wire road feel feedback device and the steering input; the pressure block assembly is positioned in a mounting hole on the circular wall in the shell and can be in contact with the output shaft assembly; the adjusting assembly is fixed in a mounting hole in the circular wall in the shell and adjusts the rotary friction torque of the output shaft assembly by adjusting the position of the pressing block assembly; the sensor assembly is mounted on the output shaft assembly and is located in the housing. The invention can reduce the development difficulty and the manufacturing cost of new products, reduce the transmission friction loss, improve the transmission efficiency, avoid the generation of tooth surface friction and tooth surface adhesion, improve the assembly efficiency of a production line and improve the simulation hand feeling of the line control road feel feedback device.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a line control steering road feel feedback device.
Background
The steering performance of the automobile is one of the main performances of the automobile, the performance of a steering system directly influences the operation stability of the automobile, and the steering system plays an important role in the aspects of safe driving of the automobile, traffic accident reduction, protection of personal safety of a driver, improvement of working conditions of the driver and the like. How to reasonably design a steering system to make an automobile have good handling performance is an important research topic of designers. Nowadays, vehicles are accelerated, drivers are not professional, and traffic flows are dense, so that the design of easy operability of automobiles is particularly important for more driving crowds of different levels. The development of steer-By-wire systems ("SBW" for short) is meeting this objective need. The steering system is a new generation steering system developed after EPS, has the characteristic of better control stability than EPS, does not adopt mechanical connection between a steering wheel and a steering wheel, thoroughly gets rid of the inherent limitation of the traditional steering system, brings convenience to a driver, and simultaneously improves the safety of an automobile
The performance of the steering machine directly influences the steering performance of the whole vehicle during driving and the life safety of drivers and passengers, and the steering road feel feedback device is an important mechanism for ensuring the road feel of drivers so as to ensure that the drivers can keep stable and reliable steering hand feel at any time. At present, steer-by-wire in the market is in a research and development stage, most of road feel feedback device speed reducing mechanisms of various families in the industry adopt worm and gear structures, the structures have the problems of large tooth surface friction loss and low efficiency in power transmission, and tooth surfaces of gear teeth can deform towards the direction of oil film breakage, so that tooth surface adhesion is easily generated, and the product performance is influenced. Meanwhile, because the worm is made of alloy steel materials, a special gear cutting machine tool is generally required to be used, the gear cutting machining efficiency is low, the manual gear surface finishing is labor-consuming, and the manufacturing cost is high.
Disclosure of Invention
In this summary, a series of simplified form concepts are introduced that are simplifications of the prior art in this field, which will be described in further detail in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The technical problem to be solved by the invention is to provide the steer-by-wire road feel feedback device which can reduce the transmission friction loss, improve the transmission efficiency and avoid the tooth surface friction and the tooth surface adhesion compared with the prior art.
In order to solve the above technical problem, the present invention provides a steer-by-wire road feel feedback device, comprising:
the output shaft of the motor assembly component enters the shell from the left side wall or the right side wall of the shell, is connected with the output shaft component in the shell through a belt transmission part and is used for outputting the road sense feedback force;
an output shaft assembly passing through the housing and fixed in the housing, the output shaft assembly connecting the steer-by-wire road feel feedback output and the steering input;
the pressure block assembly is positioned in a mounting hole on the circular wall in the shell and can be in contact with the output shaft assembly;
the adjusting assembly is fixed in a mounting hole in the inner circular wall of the shell and adjusts the position of the pressing block assembly so as to adjust the rotating friction torque of the output shaft assembly;
and the sensor assembly is arranged on the output shaft assembly, is positioned in the shell and is used for acquiring the torque of the steer-by-wire road feel feedback device.
Optionally, the steer-by-wire road feel feedback of further improvement, said motor assembly comprising: and the first belt wheel is fixed on the output shaft of the motor.
Optionally, the steer-by-wire road feel feedback of further improvement, said housing comprising:
the first sub-shell is used for accommodating the output shaft of the motor assembly component, the belt transmission part and part of the output shaft component;
the second sub-shell is formed at the lower part of the left side wall of the first sub-shell, is communicated with the first sub-shell and is used for accommodating the pressing block assembly, the adjusting assembly and the output shaft assembly;
and the cover is covered on the right side wall of the first sub-shell.
Optionally, the steer-by-wire road feel feedback device is further improved, and the pressure block assembly comprises:
at least two sealing elements fixed on the side wall of the pressing block;
the top surface of the pressing block is formed into a cambered surface matched with the excircle of the output shaft, and the bottom of the pressing block is connected with the adjusting component.
Optionally, the steer-by-wire road feel feedback of further improvement, said output shaft assembly comprising:
a first bearing fixed in the first inner bore of the second sub-housing;
the second bearing is fixed in a second inner hole on the right side of the first inner hole of the second sub-shell;
the output shaft is arranged in parallel with the output shaft of the motor assembly component and penetrates through the first bearing and the second bearing;
the tolerance ring is positioned on the right side of the second bearing, is adjacent to the second bearing and is fixed in the ring groove of the step of the output shaft;
the second belt wheel is positioned on the output shaft on the right side of the tolerance ring, and an inner hole of the second belt wheel is matched with the tolerance ring;
the left end part of the input shaft is fixedly connected with the right end part of the output shaft through a spline, and the right end of the input shaft is provided with an external spline connected with the upper pipe column;
one end of the torsion bar is fixed in an inner hole at the right end of the output shaft in an interference manner, and the other end of the torsion bar is fixed in an inner hole at the left end of the input shaft through a positioning pin;
the pressing block assembly is located on the second sub-shell between the first bearing and the second bearing, and the first belt wheel and the second belt wheel are connected through a belt transmission piece.
Optionally, the steer-by-wire road feel feedback of further improvement, the adjustment assembly comprising:
the adjusting nut is fixed in the mounting hole of the second sub-shell;
an adjusting nut plug fitted in the adjusting nut bore;
an elastic member installed between the pressing block and the adjusting nut plug;
a buffer member mounted on the circumference of the adjusting nut;
wherein, can adjust the briquetting subassembly through rotatory adjusting nut stopper and press the pressure to the output shaft subassembly.
Optionally, the steer-by-wire road feel feedback device is further improved, and a rotor assembly of the sensor assembly is fixed at the right end of the output shaft; the stator assembly is fixed at the left end of the input shaft.
The assembly process and the beneficial effects of the invention are further explained as follows:
it should be noted that the following installation steps are only an exemplary embodiment and should not be construed as limiting the invention; and, the upper, lower, left, and right in the following description are directions defined only for convenience of distinguishing the convenient description, and do not represent actual installation directions or use directions of the present invention on a vehicle;
through the following steps, finally, the belt is axially positioned through the flanges of the large belt wheel and the small belt wheel, the large belt wheel and the small belt wheel are respectively connected with the motor shaft and the input shaft, and the pressing block assembly is pressed on the input shaft to complete the assembly of the steering road feel feedback device;
the method comprises the following steps: the first belt wheel (small belt wheel) is assembled on the output shaft of the motor through a press to form a motor assembly component.
Step two: respectively assembling two sealing pieces (sealing O-shaped rings) into two U-shaped grooves on the circumference of a pressing block to form a pressing block assembly;
step three: assembling an adjusting nut plug into an inner hole of a pressing block adjusting nut, and then assembling a buffer piece (a buffer O-shaped ring) into a U-shaped groove on the circumference of the pressing block adjusting nut to form a pressing block adjusting nut assembly;
step four:
positioning and assembling the first bearing into an inner hole of a bearing base at the left end of the second sub-shell by using a press machine through the outer circumferential surface of the first bearing, and assembling an elastic retainer ring for a hole into a U-shaped groove in a hole of the base of the shell to form directional positioning on the first bearing;
step five:
assembling the torsion bar into an inner hole at the right end of the output shaft by using a press machine with the circumference at the left end as a reference, then assembling a tolerance ring into a ring groove of a step at the right end of the output shaft, and then assembling a second belt wheel (a large belt wheel) onto the step at the right end of the output shaft in a matching way by using the inner hole as a positioning and tolerance ring, wherein the tolerance ring mainly plays the roles of stably transmitting torque, effectively compensating the manufacturing of a shaft or a hole and reducing noise and vibration; assembling a second bearing on a step at the right end of a second belt wheel of the output shaft by using a press machine by taking the inner hole as a reference to form an output shaft assembly;
step six:
assembling the output shaft assembly into an inner hole at the right end of the second sub-shell in a clearance fit manner by taking the outer circumference of the second bearing as a reference, assembling the left end of the output shaft and the inner hole of the first bearing in a clearance fit manner, and then assembling the output shaft and the first bearing to the bottom of the left end of the output shaft by using a locking nut to axially position the output shaft and the first bearing;
step seven:
assembling a motor assembly component on the shell, assembling a belt on the first belt wheel and the second belt wheel, adjusting the angle of the motor assembly component to meet the tension of the belt, and locking the motor on the shell by using three bolts;
step eight:
assembling the pressing block assembly into a hole on the circumference of the shell, and supporting and sealing the output shaft; then an elastic piece (a pressing block spring) is arranged in a ring groove at the outer side end of a pressing block, and finally a pressing block adjusting nut component is assembled in a hole on the circumference of the shell to fix and buffer the pressing block component;
step nine:
assembling a rotor assembly of the torque angle sensor on the circumference of a step at the right end of an output shaft in an interference manner by taking an inner hole as a reference;
step ten:
assembling a stator of a torque sensor on the circumference of a step at the lower end of an input shaft in an interference manner, assembling the right ends of the input shaft and a torsion bar by taking an inner hole of the input shaft as a reference, assembling an external spline at the left end of the input shaft and an internal spline at the right end of an output shaft at the same time, assembling the external spline and the internal spline into positioning holes of the input shaft and the torsion bar by using positioning pins, and fixing the input shaft and the torsion bar;
step eleven:
assembling the right side cover of the first sub-shell with the outer circumference of the input shaft by taking the inner hole as a reference, and locking the right side cover 4 of the bolt with the first sub-shell;
step twelve:
and matching and assembling the inner hole spline at the left end of the upper pipe column and the outer spline at the right end of the input shaft to the left end of the upper pipe column and the boss end of the right side cover of the first sub-shell, and finally completing the assembly of the steering road feel feedback device.
The drive-by-wire road feel feedback device only simulates hand feel and does not provide assistance, and the torque transmitted to the steering shaft through the speed reducing mechanism is generally 8N m-16N m, so that a low speed reducing mechanism transmission ratio and a low-torque motor are required. The belt speed reducing structure is adopted to replace a worm structure in the prior art, technical support is provided for the design of a line control road feel feedback device, the belt transmission structure is meshed with a worm gear, the torque fluctuation is far less than 1 N.m of the worm gear structure within 0.5 N.m, and the hand feeling is better. In addition, in consideration of the overall manufacturability of the road feel feedback device, the first belt wheel (small belt wheel), the second belt wheel (large belt wheel) and the pressing block assembly can be made into a modularized universal unit, the variation cost is reduced, and the road feel feedback device is suitable for different projects. The invention can reduce the development difficulty and the manufacturing cost of new products, reduce the transmission friction loss, improve the transmission efficiency, avoid the generation of tooth surface friction and tooth surface adhesion, improve the assembly efficiency of a production line and improve the simulation hand feeling of the line control road feel feedback device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification. The drawings are not necessarily to scale, however, and may not be intended to accurately reflect the precise structural or performance characteristics of any given embodiment, and should not be construed as limiting or restricting the scope of values or properties encompassed by exemplary embodiments in accordance with the invention. The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
FIG. 1 is a first schematic structural diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
Fig. 4 is a fourth schematic structural diagram of the present invention.
Fig. 5 is a fifth structural diagram of the present invention.
Description of the reference numerals
First belt wheel 1.1
Belt driving medium 2
First sub-housing 3.1
Second sub-housing 3.2
Cover 3.3
Connecting output shaft assembly 4
First bearing 4.1
Second bearing 4.2
Output shaft 4.3
Tolerance ring 4.4
Second belt wheel 4.5
The input shaft 4.6 is provided with a shaft,
torsion bar 4.7
Seal 5.1
Briquetting 5.2
Adjusting assembly 6
Adjusting nut 6.1
Adjusting nut plug 6.2
Elastic part 6.3
Buffer 6.4
Sensor assembly 7
Rotor assembly 7.1
The stator assembly 7.2.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and technical effects of the present invention will be fully apparent to those skilled in the art from the disclosure in the specification. The invention is capable of other embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the general spirit of the invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. The following exemplary embodiments of the present invention may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the technical solutions of these exemplary embodiments to those skilled in the art.
A first embodiment;
as shown in fig. 1 and fig. 2, the present invention provides a steer-by-wire road feel feedback device, comprising:
the output shaft of the motor assembly component 1 enters the shell from the left side wall of the shell 3, and is connected with an output shaft component 4 in the shell 3 through a belt transmission piece 2, and the output shaft component is used for outputting a path sensing feedback force;
correspondingly, the output shaft can be selected to enter the shell from the right side wall of the shell 3;
an output shaft assembly 4 which penetrates the housing 3 and is fixed in the housing 3, and which connects the steer-by-wire road feel feedback output and the steering input;
a press block assembly 5 which is located in a mounting hole on the inner circumferential wall of the housing 3 and which can come into contact with the output shaft assembly 4;
the adjusting assembly 6 is fixed in a mounting hole in the inner circular wall of the shell 3 and adjusts the rotary friction torque of the output shaft assembly by adjusting the position of the pressing block assembly 5;
and the sensor assembly 7 is arranged on the output shaft assembly 4 and is positioned in the shell and used for collecting the torque of the steer-by-wire road feel feedback device.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements throughout the drawings. Further, it will be understood that, although the terms first, second, etc. may be used herein to describe various elements, parameters, components, regions, layers and/or sections, these elements, parameters, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, parameter, component, region, layer or section from another element, parameter, component, region, layer or section. Thus, a first element, parameter, component, region, layer or section discussed below could be termed a second element, parameter, component, region, layer or section without departing from the teachings of exemplary embodiments according to the present invention.
A second embodiment;
as shown in fig. 2, 3, and 4, the present invention provides a steer-by-wire road feel feedback device, including:
correspondingly, the output shaft can be selected to enter the shell from the right side wall of the shell 3;
the housing 3 includes: a first sub-housing 3.1 for accommodating the motor assembly component output shaft 1, the belt transmission member 2 and part of the output shaft component 4; in this embodiment, the first sub-housing 3.1 is formed as a cylindrical housing with a left side wall;
a second sub-housing 3.2 formed at the lower part of the left side wall of the first sub-housing 3.1 and communicated with the first sub-housing 3.1, for accommodating a pressure block assembly 5, an adjusting assembly 6 and an output shaft assembly 4; the second sub-housing 3.2 is also formed as a cylindrical housing with a diameter smaller than the diameter of the first sub-housing 3.1;
and a cover 3.3 which is covered on the right side wall of the first sub-shell 3.1.
An output shaft assembly 4, which passes through the housing 3 and is fixed in the housing 3, which connects the steer-by-wire road feel feedback output and the steering input, comprising:
a first bearing 4.1 fixed in a first bore of the second sub-housing 3.2;
a second bearing 4.2 fixed in a second inner bore on the right side of the first inner bore of the second sub-housing 3.2;
the output shaft 4.3 is arranged in parallel with the output shaft of the motor assembly component and penetrates through the first bearing 4.1 and the second bearing 4.2;
a tolerance ring 4.4 which is positioned at the right side of the second bearing 4.2, is arranged adjacent to the second bearing 4.2 and is fixed in a ring groove of the output 4.3 shaft step;
a second belt wheel 4.5, which is arranged on the output shaft at the right side of the tolerance ring 4.4, and the inner hole of the second belt wheel is matched with the tolerance ring;
the input shaft 4.6 is positioned on the right side of the output shaft 4.3, the left end part of the input shaft is fixedly connected with the right end part of the output shaft through a spline, and the right end of the input shaft is provided with an external spline connected with the upper pipe column;
one end of the torsion bar 4.7 is fixed in an inner hole at the right end of the output shaft 4.3 in an interference manner, and the other end of the torsion bar is fixed in an inner hole at the left end of the input shaft 4.6 through a positioning pin 4.8;
a pressure block assembly 5, which is located in a mounting hole on the inner circular wall of the second sub-housing 3.2 between the first bearing 4.1 and the second bearing 4.2, and which can be brought into contact with the output shaft assembly 4, includes: at least two sealing elements 5.1 fixed on the side wall of the pressing block 5.2; it should be noted that the invention needs waterproof and dustproof treatment, and the connection of each part is provided with a U-shaped groove and a sealing ring as much as possible according to actual needs, and is not limited to the position of the pressing block assembly 5;
the top surface of the pressing block 5.2 is formed into a cambered surface matched with the excircle of the output shaft, and the bottom of the pressing block is connected with an adjusting component;
an adjusting assembly 6 fixed in a mounting hole in the inner circular wall of the second sub-housing 3.2 between the first bearing 4.1 and the second bearing 4.2, which adjusts the rotational friction torque of the output shaft assembly by adjusting the position of the pressing block assembly 5, comprising:
the adjusting nut 6.1 is fixed in the mounting hole of the second sub-shell 3.2, the top wall of the adjusting nut can selectively form a U-shaped groove, and a sealing ring is arranged in the U-shaped groove;
an adjusting nut plug 6.2 which is fitted in the inner bore of the adjusting nut 6.1;
an elastic piece 6.3 which is arranged between the pressing block 5.2 and the adjusting nut plug 6.2;
a buffer 6.4 mounted on the circumference of the adjusting nut 6.1;
the sensor assembly 7 is arranged on the output shaft assembly 4, is positioned in the shell 3 and is used for collecting the torque of the steer-by-wire road feel feedback device, and a rotor assembly 7.1 of the sensor assembly is fixed at the right end of the output shaft 4.3; the stator assembly 7.2 is fixed at the left end of the input shaft 4.6.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (7)
1. A steer-by-wire road feel feedback device, comprising:
the output shaft of the motor assembly component enters the shell from the left side wall or the right side wall of the shell, is connected with the output shaft component in the shell through a belt transmission part and is used for outputting the road sense feedback force;
an output shaft assembly passing through the housing and fixed in the housing, the output shaft assembly connecting the steer-by-wire road feel feedback output and the steering input;
the pressure block assembly is positioned in a mounting hole on the circular wall in the shell and can be in contact with the output shaft assembly;
the adjusting assembly is fixed in a mounting hole in the inner circular wall of the shell and adjusts the position of the pressing block assembly so as to adjust the rotating friction torque of the output shaft assembly;
and the sensor assembly is arranged on the output shaft assembly, is positioned in the shell and is used for acquiring the torque of the steer-by-wire road feel feedback device.
2. The steer-by-wire road feel feedback device of claim 1, wherein said motor assembly component comprises: and the first belt wheel is fixed on the output shaft of the motor.
3. The steer-by-wire road feel feedback device of claim 2, wherein said housing comprises:
the first sub-shell is used for accommodating the output shaft of the motor assembly component, the belt transmission part and part of the output shaft component;
the second sub-shell is formed at the lower part of the left side wall of the first sub-shell, is communicated with the first sub-shell and is used for accommodating the pressing block assembly, the adjusting assembly and the output shaft assembly;
and the cover is covered on the right side wall of the first sub-shell.
4. The steer-by-wire road feel feedback device of claim 3, wherein said ballast assembly comprises:
at least two sealing elements fixed on the side wall of the pressing block;
the top surface of the pressing block is formed into a cambered surface matched with the excircle of the output shaft, and the bottom of the pressing block is connected with the adjusting component.
5. The steer-by-wire road feel feedback device of claim 4, wherein said output shaft assembly comprises:
a first bearing fixed in the first inner bore of the second sub-housing;
the second bearing is fixed in a second inner hole on the right side of the first inner hole of the second sub-shell;
the output shaft is arranged in parallel with the output shaft of the motor assembly component and penetrates through the first bearing and the second bearing;
the tolerance ring is positioned on the right side of the second bearing, is adjacent to the second bearing and is fixed in the ring groove of the step of the output shaft;
the second belt wheel is positioned on the output shaft on the right side of the tolerance ring, and an inner hole of the second belt wheel is matched with the tolerance ring;
the left end part of the input shaft is fixedly connected with the right end part of the output shaft through a spline, and the right end of the input shaft is provided with an external spline connected with the upper pipe column;
one end of the torsion bar is fixed in an inner hole at the right end of the output shaft in an interference manner, and the other end of the torsion bar is fixed in an inner hole at the left end of the input shaft through a positioning pin;
the pressing block assembly is located on the second sub-shell between the first bearing and the second bearing, and the first belt wheel and the second belt wheel are connected through a belt transmission piece.
6. The steer-by-wire road feel feedback device of claim 5, wherein said adjustment assembly comprises:
the adjusting nut is fixed in the mounting hole of the second sub-shell;
an adjusting nut plug fitted in the adjusting nut bore;
an elastic member installed between the pressing block and the adjusting nut plug;
a buffer member mounted on the circumference of the adjusting nut;
wherein, can adjust the briquetting subassembly through rotatory adjusting nut stopper and press the pressure to the output shaft subassembly.
7. The steer-by-wire road feel feedback device of claim 6, wherein:
the rotor assembly of the sensor assembly is fixed at the right end of the output shaft; the stator assembly is fixed at the left end of the input shaft.
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| CN202110786115.8A CN113415338B (en) | 2021-07-12 | 2021-07-12 | Steering-by-wire road sensing feedback device |
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| CN202110786115.8A CN113415338B (en) | 2021-07-12 | 2021-07-12 | Steering-by-wire road sensing feedback device |
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| US20020189888A1 (en) * | 2001-06-19 | 2002-12-19 | Magnus Brian J. | Steer-by wire handwheel actuator |
| US20030146037A1 (en) * | 2002-02-05 | 2003-08-07 | Ratko Menjak | Hand wheel actuator |
| US20030164060A1 (en) * | 2002-03-04 | 2003-09-04 | Ratko Menjak | Hand wheel actuator having stationary hub |
| US20040011585A1 (en) * | 2002-07-17 | 2004-01-22 | Ratko Menjak | Hand wheel actuator with steering-feel enhancement |
| US20180319422A1 (en) * | 2015-11-25 | 2018-11-08 | Thyssenkrupp Presta Ag | Feedback actuator for a steering mechanism |
| US20170210411A1 (en) * | 2016-01-21 | 2017-07-27 | Showa Corporation | Steering-force adjusting apparatus and steering apparatus |
| CN105882740A (en) * | 2016-05-17 | 2016-08-24 | 山东汇川汽车部件有限公司 | Automotive column type electric power steering system |
| CN107542856A (en) * | 2016-06-29 | 2018-01-05 | 福特全球技术公司 | Geared system for motor vehicles |
| US20200189649A1 (en) * | 2017-08-29 | 2020-06-18 | Thyssenkrupp Presta Ag | Steer-by-wire steering system of a motor vehicle with a feedback actuator having an integrated mrf bearing |
| CN209159795U (en) * | 2018-11-29 | 2019-07-26 | 长城汽车股份有限公司 | Backlash of steering gear adjustment mechanism and vehicle |
| CN210027578U (en) * | 2019-06-11 | 2020-02-07 | 新乡艾迪威汽车科技有限公司 | Fixing structure of worm gear for automobile electric steering system |
| CN111186478A (en) * | 2020-03-31 | 2020-05-22 | 杨亮终 | Planetary gear type pure electric power steering gear |
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