CN204587005U - Electric power steering mechanism and tractor truck and automobile - Google Patents
Electric power steering mechanism and tractor truck and automobile Download PDFInfo
- Publication number
- CN204587005U CN204587005U CN201520093159.2U CN201520093159U CN204587005U CN 204587005 U CN204587005 U CN 204587005U CN 201520093159 U CN201520093159 U CN 201520093159U CN 204587005 U CN204587005 U CN 204587005U
- Authority
- CN
- China
- Prior art keywords
- electric power
- steering mechanism
- steering column
- turn
- power 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.)
- Active
Links
Landscapes
- Steering Controls (AREA)
Abstract
The utility model discloses a kind of electric power steering mechanism and tractor truck and automobile, electric power steering mechanism comprises: steering handwheel; Steering column, the upper end of described steering column is connected with described steering handwheel; Electricity power-assisted driven unit, described electric power-assisted driven unit is connected with described steering column to drive described steering column to rotate; Adapter shaft, the first end of described adapter shaft is connected with the lower end of described steering column; Transmission component, described transmission component has power intake and clutch end, and described power intake is connected with the second end of described adapter shaft; Turn to executive item, described clutch end with described turn to executive item be connected to drive described in turn to executive item to rotate.Electric power steering mechanism of the present utility model not only steering feel is good, and turn to conveniently, laborsaving, electric power-assisted still can turn to after losing efficacy.
Description
Technical field
The utility model relates to vehicular field, in particular to a kind of electric power steering mechanism and tractor truck and the automobile with this electric power steering mechanism.
Background technology
In correlation technique, the steering hardware of vehicle adopts pure electrically driven steering mechanism or full hydraulic drive steering hardware usually.Adopt above-mentioned steering hardware, due to steering operation, mechanism is separated with steered wheel, and driver usually can be caused without road feel, and above-mentioned electronic or hydraulic drive mechanism lost efficacy after steering column can be caused in stays, have a strong impact on the normal traveling of vehicle.
Utility model content
The utility model is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, an object of the present utility model is to propose the electric power steering mechanism that still can turn to after good, the electric power-assisted of a kind of steering feel lost efficacy.
The utility model also proposed a kind of tractor truck and automobile.
Electric power steering mechanism according to the utility model embodiment comprises: steering handwheel; Steering column, the upper end of described steering column is connected with described steering handwheel; Electricity power-assisted driven unit, described electric power-assisted driven unit is connected with described steering column to drive described steering column to rotate; Adapter shaft, the first end of described adapter shaft is connected with the lower end of described steering column; Transmission component, described transmission component has power intake and clutch end, and described power intake is connected with the second end of described adapter shaft; Turn to executive item, described clutch end with described turn to executive item be connected to drive described in turn to executive item to rotate.
According to the electric power steering mechanism of the utility model first aspect embodiment, not only steering feel is good, and turn to conveniently, laborsaving, electric power-assisted still can turn to after losing efficacy.
Preferably, described electric power-assisted driven unit comprises: worm gear, and the endoporus of described worm gear is coated on described steering column; Worm screw, described worm gear and described worm mesh; Drive motor, described drive motor has rotating output shaft, and described output shaft is connected with described worm screw.
Preferably, described steering column comprises the first tubing string section disconnected from each other and the second tubing string section, described first tubing string section and described second tubing string section respectively in be enclosed within the two ends of described endoporus.
Preferably, described transmission component comprises: pipe link, and described pipe link is formed as described power intake; Driving link, described driving link is connected with described pipe link; Driven member, is connected by chain between described driven member with described driving link or belt connects, and described driven member is formed as described clutch end.
Preferably, described driving link is sprocket wheel, and described driven member is swing bearing, and the outer ring of described swing bearing is connected with the described executive item that turns to.
Preferably, described pipe link has outside thread, described driving link has tapped bore, and described outside thread coordinates with described tapped bore.
Preferably, described in turn to executive item comprise two wheels and connect the connection bracket of two wheels, described connection bracket is connected with described driven member.
Preferably, be connected by universal-joint between described adapter shaft with described steering column, between described adapter shaft with described transmission component.
Electric power steering mechanism described above is comprised according to the tractor truck of the utility model second aspect embodiment.
Above-mentioned electric power steering mechanism is comprised according to the automobile of the utility model third aspect embodiment.
Accompanying drawing explanation
Fig. 1 looks schematic diagram according to a left side for the electric power steering mechanism of the utility model embodiment.
Fig. 2 is the schematic front view of the electric power steering mechanism according to the utility model embodiment.
Fig. 3 is the schematic perspective view of the electric power steering mechanism according to the utility model embodiment.
Reference numeral:
Electric power steering mechanism 100,
Steering handwheel 10,
Steering column 20,
Electricity power-assisted driven unit 30, drive motor 31, controller 32,
Adapter shaft 40, first end 41, the second end 42,
Transmission component 50, pipe link 51, sprocket wheel 52, swing bearing 53, outer ring 531, inner ring 532, chain 54,
Turn to executive item 60, wheel 61, connection bracket 62,
Universal-joint 70.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The electric power steering mechanism 100 of the utility model embodiment is described referring to Fig. 1-3.
As shown in Figure 1, comprise according to the electric power steering mechanism 100 of the utility model embodiment: steering handwheel 10, steering column 20, electric power-assisted driven unit 30, adapter shaft 40, transmission component 50, turn to executive item 60.The upper end of steering column 20 is connected with steering handwheel 10, and electric power-assisted driven unit 30 is connected with steering column 20 to drive steering column 20 to rotate; The first end 41 of adapter shaft 40 is connected with the lower end of steering column 20; Transmission component 50 has power intake and clutch end, and power intake is connected with the second end 42 of adapter shaft 40; Clutch end with turn to executive item 60 to be connected to drive to turn to executive item 60 to rotate.
Drive steering column 20 to rotate according to electric power steering mechanism 100 1 aspect of the utility model first aspect embodiment by hand rotation steering handwheel 10 and then drive adapter shaft 40, transmission component 50 and turn to executive item 60 to rotate to realize the rotation of wheel 61; On the other hand by the rotation of electric power-assisted driven unit 30 electrically driven steering tubing string 20.To sum up, the electric power steering mechanism 100 of the utility model first aspect embodiment combines mechanical type and electrodynamic type two kinds of type of drive, and not only steering feel is good, and turn to conveniently, laborsaving, still can turn to after electric power-assisted loses efficacy, compact conformation, safe and practical simultaneously.
During real work, conter clockwise (left) rotates steering handwheel 10, start electric power-assisted driven unit 30, steering handwheel 10 and electric power-assisted driven unit 30 drive steering column 20 to rotate counterclockwise jointly, and then drive adapter shaft 40 to rotate counterclockwise, and executive item 60 conter clockwise (left) is turned to rotate by final drive of transmission component 50.
In a preferred embodiment, as shown in Figure 2, electric power-assisted driven unit 30 comprises: worm gear (not shown), worm screw (not shown), drive motor 31.The endoporus of worm gear is coated on steering column 20, and worm gear and worm mesh, drive motor 31 has rotating output shaft, and output shaft is connected with worm screw.Particularly, controlled the opening and closing of drive motor 31 by the controller 32 be connected with drive motor 31, controller 32 is electrically connected to receive the signal and then the rotation controlling drive motor 31 and stopping that vehicle sends with the control unit of vehicle.Worm gear and worm screw are all positioned at reducer shell, the two ends of worm screw are connected in reducer shell by bearing, the output shaft of drive motor 31 is connected with the external part of worm screw, the external tooth of worm gear is meshed with worm screw, the centre of turbine has endoporus through vertically, to be enclosed within endoporus and and to be flush fit between endoporus in steering column 20.Wherein, the S. A. of worm gear and the central axis of steering column 20 coincide.
Like this, by drive motor 31 outputting power and through worm type of reduction gearing by power transmission to steering column 20 to realize the motorized motions of steering column 20, utilize the self-locking performance of worm type of reduction gearing to make electric power-assisted driven unit 30 have better reliability simultaneously.It should be noted that, electric power-assisted driven unit 30 refers to that propulsion source is the assembly of power driver, and it can be made up of motor and retarder etc., and wherein retarder can also be gear reducer etc.
Advantageously, steering column 20 comprises the first tubing string section (not shown) disconnected from each other and the second tubing string section (not shown), the first tubing string section and the second tubing string section respectively in be enclosed within the two ends of the endoporus of worm gear.Particularly, first tubing string section and the second tubing string section are coaxially arranged, the upper end of the first tubing string section is connected with steering handwheel 10 and is enclosed within lower end in the endoporus of worm gear, be enclosed within the endoporus of worm gear and lower end in the upper end of the second tubing string section to be connected with adapter shaft 40, be wherein flush fit between the first tubing string section and worm gear, between the second tubing string section and worm gear.Thus, can not only balanced manual drives moment of torsion and motorized motions moment of torsion, avoid steering column 20 unbalance stress and twist off, and being convenient to install.
One of ordinary skill in the art will appreciate that, steering column 20 can also be an axle, and the lower end of the contiguous steering column 20 of electric power-assisted driven unit 30 is arranged.
As shown in Figure 3, transmission component 50 comprises: pipe link 51, driving link, driven member.Pipe link 51 is formed as power intake, and driving link is connected with pipe link 51, and be connected by chain between driven member with driving link or belt connection, driven member is formed as clutch end.Particularly, the upper end of pipe link 51 is connected with the second end 42 (lower end) of adapter shaft 40, the lower end of pipe link 51 is connected to drive driving link to rotate with driving link, be connected by chain 54 or belt between driving link with driven member, driven member is connected to drive with turning to executive item 60 rotation turning to executive item 60.Like this, transmission component 50 furthermore achieved that power by steering column 20 to the long-distance transmission turning to executive item 60, compact conformation, stable drive.But the utility model is not limited to this, can also be gear transmission, link transmission etc. between the driving link of transmission component 50 and driven member.
In the concrete example shown in Fig. 3, driving link is sprocket wheel 52, and driven member is swing bearing 53, and the outer ring 531 of swing bearing 53 is connected with turning to executive item 60, and the inner ring 532 of swing bearing 53 is connected with vehicle frame.Specifically, when being connected by chain 54 between driving link with driven member, driving link is sprocket wheel 52, driven member is swing bearing 53, the side face of the outer ring 531 of swing bearing 53 has the sprocket for being connected with chain 54, and the center axis thereof making to turn to executive item 60 around swing bearing 53 fixed by inner ring 532 and the vehicle frame of swing bearing 53.Like this, utilize sprocket wheel 52 and swing bearing 53 just can directly drive the rotation turning to executive item 60, compact conformation, driving efficiency is high.One of ordinary skill in the art will appreciate that, driving link and driven member can also be belt pulleys, belt pulley to be connected on vehicle frame by bearing and belt pulley with turn to executive item 60 to be connected to drive to turn to executive item 60 to rotate.
Further, pipe link 51 has outside thread, and driving link has tapped bore, and outside thread coordinates with tapped bore.Like this, pipe link 51 and driving link are threaded connection and are fixed, and are convenient to dismounting, maintenance.
Preferably, as shown in Figure 2,3, turn to executive item 60 to comprise two wheels 61 and connect the connection bracket 62 of two wheels 61, connection bracket 62 is connected with driven member.Particularly, when driven member is swing bearing 53, the lower end of swing bearing 53 is fixed in connection bracket 62, and two wheels 61 are connected by supporting rod, and the lower end of connection bracket 62 is connected with the middle part of supporting rod.Like this, steering column 20 can the synchronous axial system of Direct driver two wheels 61, swift to operate.
As shown in Figure 3, in certain embodiments, be connected by universal-joint 70 between adapter shaft 40 with steering column 20, between adapter shaft 40 with transmission component 50.Particularly, universal-joint 70 can be constant-velocity universal joint 70, the two ends of universal-joint 70 are connected to adapter shaft 40 with on steering column 20, between the rotation axis of steering column 20 and the rotation axis of adapter shaft 40, there is angle and angle is obtuse angle, in like manner, also be connected by universal-joint 70 between adapter shaft 40 with pipe link 51, between the rotation axis of adapter shaft 40 and the rotation axis of pipe link 51, there is angle and angle is obtuse angle.One of ordinary skill in the art will appreciate that, adapter shaft 40 can also be universal coupling, and so correspondingly, the coupling end of steering column 20, pipe link 51 can be arranged to universal connecting joint form.
Above-mentioned electric power steering mechanism 100 is comprised according to the tractor truck of the utility model second aspect embodiment.In the concrete example shown in Fig. 2, tractor truck is four-wheel bikini, the close together namely between two front-wheels, distant between two trailing wheels, and two front-wheels are formed and turn to executive item 60.To sum up, not only steering feel is good to adopt the tractor truck of this electric power steering mechanism, and turn to conveniently, laborsaving.
Above-mentioned electric power steering mechanism 100 is comprised according to the automobile of the utility model third aspect embodiment.Particularly, automobile mostly is four-wheel four-point, and the distance namely between two front-wheels equals the distance between two trailing wheels, and two front-wheels or two trailing wheels all can be formed and turn to executive item 60.To sum up, not only steering feel is good to adopt the automobile of this electric power steering mechanism, and turn to conveniently, laborsaving.
Be all known according to other configuration examples of the electric power steering mechanism 100 of the utility model embodiment for those of ordinary skills as the fixed support of steering column etc. and operation, no longer describe in detail here.
In description of the present utility model, it will be appreciated that, term " on ", the orientation of the instruction such as D score, "front", "rear" or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. an electric power steering mechanism, is characterized in that, comprising:
Steering handwheel;
Steering column, the upper end of described steering column is connected with described steering handwheel;
Electricity power-assisted driven unit, described electric power-assisted driven unit is connected with described steering column to drive described steering column to rotate;
Adapter shaft, the first end of described adapter shaft is connected with the lower end of described steering column;
Transmission component, described transmission component has power intake and clutch end, and described power intake is connected with the second end of described adapter shaft;
Turn to executive item, described clutch end with described turn to executive item be connected to drive described in turn to executive item to rotate.
2. electric power steering mechanism according to claim 1, is characterized in that, described electric power-assisted driven unit comprises:
Worm gear, the endoporus of described worm gear is coated on described steering column;
Worm screw, described worm gear and described worm mesh;
Drive motor, described drive motor has rotating output shaft, and described output shaft is connected with described worm screw.
3. electric power steering mechanism according to claim 2, is characterized in that, described steering column comprises the first tubing string section disconnected from each other and the second tubing string section, described first tubing string section and described second tubing string section respectively in be enclosed within the two ends of described endoporus.
4. electric power steering mechanism according to claim 1, is characterized in that, described transmission component comprises:
Pipe link, described pipe link is formed as described power intake;
Driving link, described driving link is connected with described pipe link;
Driven member, is connected by chain between described driven member with described driving link or belt connects, and described driven member is formed as described clutch end.
5. electric power steering mechanism according to claim 4, is characterized in that, described driving link is sprocket wheel, and described driven member is swing bearing, and the outer ring of described swing bearing is connected with the described executive item that turns to.
6. electric power steering mechanism according to claim 4, is characterized in that, described pipe link has outside thread, and described driving link has tapped bore, and described outside thread coordinates with described tapped bore.
7. electric power steering mechanism according to claim 4, is characterized in that, described in turn to executive item comprise two wheels and connect the connection bracket of two wheels, described connection bracket is connected with described driven member.
8. the electric power steering mechanism according to any one of claim 1-7, is characterized in that, is connected between described adapter shaft with described steering column, between described adapter shaft with described transmission component by universal-joint.
9. a tractor truck, is characterized in that, comprises the electric power steering mechanism according to any one of claim 1-8.
10. an automobile, is characterized in that, comprises the electric power steering mechanism according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093159.2U CN204587005U (en) | 2015-02-09 | 2015-02-09 | Electric power steering mechanism and tractor truck and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093159.2U CN204587005U (en) | 2015-02-09 | 2015-02-09 | Electric power steering mechanism and tractor truck and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204587005U true CN204587005U (en) | 2015-08-26 |
Family
ID=53923187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093159.2U Active CN204587005U (en) | 2015-02-09 | 2015-02-09 | Electric power steering mechanism and tractor truck and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204587005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719463A (en) * | 2017-09-11 | 2018-02-23 | 江苏大学 | A kind of wire-controlled steering system abating protection device |
-
2015
- 2015-02-09 CN CN201520093159.2U patent/CN204587005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719463A (en) * | 2017-09-11 | 2018-02-23 | 江苏大学 | A kind of wire-controlled steering system abating protection device |
| CN107719463B (en) * | 2017-09-11 | 2021-01-15 | 江苏大学 | Failure protection device for wire-controlled steering system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201670260U (en) | Independent steering device and independent suspension system | |
| CN204368366U (en) | A kind of children's drift car | |
| CN102529714B (en) | Driver element for all wheel driving apparatus of motor vehicles | |
| CN202098458U (en) | Electrically-controlled electric four-wheel steering system | |
| CN105235738A (en) | Dual-motor synchronous-driving steering actuator of automobile steer-by-wire system | |
| CN103569197B (en) | four-wheel steering system and control method thereof | |
| CN203078587U (en) | Hydraulic power steering device capable of being remotely controlled and steering system | |
| CN201390103Y (en) | Integrated driving and steering axle | |
| CN205131349U (en) | Two synchronous motors drive of car drive -by -wire a steering system turns to actuating mechanism | |
| CN107813867A (en) | Steering and vehicle | |
| CN202175087U (en) | Steering transmission mechanism | |
| CN102152808B (en) | Front and rear axle steering system for numerical control mechanical transmission | |
| CN102632921A (en) | Electric drive pusher type steering system controlled by coupling force and displacement and control method | |
| CN204587005U (en) | Electric power steering mechanism and tractor truck and automobile | |
| CN201800767U (en) | Four-wheel linkage steering device | |
| CN104149598A (en) | Wheel edge driving system with electric disk brake and control method of wheel edge driving system | |
| CN108297934A (en) | A kind of electric car with steering | |
| CN205836921U (en) | A kind of automobile pipe column type electric servo steering system | |
| CN104709342A (en) | Double-motor electric power-assisted steering system and power-assisted steering method thereof | |
| CN112793661B (en) | New energy commercial vehicle steering system | |
| CN203995648U (en) | A kind of wheel limit drive system with disk brake actuator | |
| CN111183724B (en) | Steering transmission device of double-front-axle steering wheel type off-road vehicle | |
| CN107444059A (en) | A kind of automatically controlled QS | |
| CN204236555U (en) | A kind of circular ball type electric servo steering system | |
| CN205652276U (en) | Two formula electric bicycle that drive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |