CN109911007A - A kind of electric drive two-stage dual output steering-by-wire device - Google Patents
A kind of electric drive two-stage dual output steering-by-wire device Download PDFInfo
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- CN109911007A CN109911007A CN201910293565.6A CN201910293565A CN109911007A CN 109911007 A CN109911007 A CN 109911007A CN 201910293565 A CN201910293565 A CN 201910293565A CN 109911007 A CN109911007 A CN 109911007A
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- encapsulation
- static housing
- commutation
- electric drive
- worm gear
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- 230000009977 dual effect Effects 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 31
- 238000005538 encapsulation Methods 0.000 claims abstract description 29
- 125000003003 spiro group Chemical group 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
Abstract
The present invention relates to Automotive Steering Technology fields, specifically a kind of electric drive two-stage dual output steering-by-wire device, including encapsulation static housing and driving motor, worm screw is provided on the encapsulation static housing, the driving motor being fixedly installed on the outside of one end of worm screw and encapsulation static housing is connect, the worm gear and nut being arranged on the inside of the other end of worm screw and encapsulation static housing, which is connect, is combined into first order deceleration torque increase kinematic pair, the commutation guide spiro rod being arranged on the inside of worm gear and nut and encapsulation static housing, which is connect, is combined into second level deceleration torque increase kinematic pair, commutation guide spiro rod is also connect with connecting rod.The present invention optimizes structure, as far as possible reduction number of parts, increases integrated level, and lightweight is compact small and exquisite, simplifies manufacturing process, reduces cost, is suitable for miniature robot vehicle.
Description
Technical field
The present invention relates to Automotive Steering Technology field, specifically a kind of electric drive two-stage dual output steering-by-wire device.
Background technique
Pilotless automobile is one kind of intelligent automobile, also referred to as wheeled mobile robot, is relied primarily on interior in terms of
Intelligent driving instrument based on calculation machine system realizes unpiloted purpose.
As unmanned technical application scene is more and more extensive, the unmanned logistic car in place is due to its unique work
Condition, load-carrying is small, travel speed is slow, route is relatively easy and is rapidly spread.However it is directed to this kind of automatic driving vehicle, not
A diverter for its characteristic, still continues to use the diverter of traditional structure, not only weight weight at present, and volume is big, more important
Be at high cost.
Therefore, for the above status, there is an urgent need to develop a kind of electric drive two-stage for miniature robot vehicle is double
Line traffic control diverter is exported, to overcome the shortcomings of in currently practical application.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of electric drive two-stage dual output steering-by-wire device, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of electric drive two-stage dual output steering-by-wire device, including encapsulation static housing and driving motor, the encapsulation fixed case
Be provided with worm screw on body, the driving motor being fixedly installed on the outside of one end of worm screw and encapsulation static housing is connect, worm screw it is another
It holds to connect with the worm gear and nut being arranged on the inside of encapsulation static housing and is combined into first order deceleration torque increase kinematic pair, the worm gear and nut
It is connect with the commutation guide spiro rod being arranged on the inside of encapsulation static housing and is combined into second level deceleration torque increase kinematic pair, commutation guiding spiral shell
Bar is also connect with connecting rod.
As a further solution of the present invention: the worm gear and nut is processed into using highstrenghtpiston.
As a further solution of the present invention: the worm gear and nut includes rotor sensor, worm gear and internal screw thread, outside
The worm gear engages connection with worm screw and is combined into first order kinematic pair, and the internal screw thread of inner hole engages company with commutation guide spiro rod
It connects and is combined into second level kinematic pair.
As a further solution of the present invention: the position coordinates being arranged on the inside of the rotor sensor and encapsulation static housing
The corresponding cooperation of sensor, position coordinates sensor give controller for real-time detection diverter rotational angle Data Concurrent,
Steering is modified or start and stop.
As a further solution of the present invention: the commutation guide spiro rod includes commutation planar band, guiding optical axis and outer spiral shell
Line.
As a further solution of the present invention: the internal screw thread of the worm gear and nut inner hole is outer with commutation guide spiro rod
Screw thread engagement connection is combined into second level kinematic pair.
As a further solution of the present invention: the guiding optical axis is led with the commutation bearing being arranged on the inside of static housing is encapsulated
Set is cooperatively connected and is combined into the guiding movement pair that horizontally slips.
As a further solution of the present invention: the commutation planar band and commutation bearing guide sleeve and encapsulation static housing cooperation
Connection is combined into reversing mechanism.
Compared with prior art, the beneficial effect of the embodiment of the present invention is:
The electric drive two-stage dual output steering-by-wire device optimizes structure under the premise of meeting performance requirement, reduces zero as far as possible
Number of packages amount increases integrated level, and lightweight is compact small and exquisite, simplifies manufacturing process, reduces cost, is suitable for miniature robot vehicle
?.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of worm gear and nut part in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of commutation guide spiro rod part in the embodiment of the present invention；
Fig. 4 is the partial enlargement diagram of Fig. 1.
In figure: 1- connecting rod, 2- encapsulate static housing, and 3- commutation bearing guide sleeve, 4- commutation guide spiro rod, the position 5- is sat
Mark sensor, 6- driving motor, 7- worm screw, 8- worm gear and nut, 41- commutation planar band, 42- guiding optical axis, 43- external screw thread, 81-
Rotor sensor, 82- worm gear, 83- internal screw thread.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Embodiment 1
Please refer to Fig. 1 and 4, in the embodiment of the present invention, a kind of electric drive two-stage dual output steering-by-wire device, including encapsulation fixed case
Body 2 and driving motor 6 are provided with worm screw 7,2 outside of one end and encapsulation static housing of worm screw 7 on the encapsulation static housing 2
The driving motor 6 of fixed setting connects, the 8 connection group of worm gear and nut being arranged on the inside of the other end and encapsulation static housing 2 of worm screw 7
Synthesize first order deceleration torque increase kinematic pair, the commutation guide spiro rod 4 being arranged on the inside of the worm gear and nut 8 and encapsulation static housing 2
Connection is combined into second level deceleration torque increase kinematic pair, and commutation guide spiro rod 4 is also connect with connecting rod 1, by the guide spiro rod 4 that commutates
Threaded portion rotary motion be converted into linear reciprocation sliding, and by the connecting rod 1 be output to the deflecting roller of vehicle body into
Row turns to.
Further, the worm gear and nut 8 is processed into using highstrenghtpiston.
Embodiment 2
Please refer to Fig. 2 and 3, the present embodiment difference from example 1 is that:
Referring to Fig. 2, the worm gear and nut 8 includes rotor sensor 81, worm gear 82 and internal screw thread 83, the worm gear 82 in outside
Connection is engaged with worm screw 7 and is combined into first order kinematic pair, and the internal screw thread 83 of inner hole engages connection group with commutation guide spiro rod 4
Synthesize second level kinematic pair；The position coordinates sensor 5 being arranged on the inside of the rotor sensor 81 and encapsulation static housing 2 is opposite
Cooperating is answered, position coordinates sensor 5 is given controller for real-time detection diverter rotational angle Data Concurrent and (do not shown
Out), steering is modified or start and stop.
Referring to Fig. 3, the commutation guide spiro rod 4 includes commutation planar band 41, guiding optical axis 42 and external screw thread 43, worm gear
The internal screw thread 83 of 8 inner hole of nut engages connection with the external screw thread 43 of commutation guide spiro rod 4 and is combined into second level kinematic pair, institute
It states guiding optical axis 42 and encapsulates the commutation bearing mating connection of guide sleeve 3 being arranged on the inside of static housing 2 and be combined into the guiding that horizontally slips
Kinematic pair, the commutation planar band 41 are combined into reversing mechanism with commutation bearing guide sleeve 3 and the encapsulation mating connection of static housing 2,
The threaded portion rotary motion for the guide spiro rod 4 that commutates is converted into linear reciprocation sliding.
Above each part is mounted in encapsulation static housing 2 and just constitutes a kind of electric drive two-stage lose-lose of the present invention
Line traffic control diverter out, and be mounted on vehicle chassis by encapsulating static housing 2.
When vehicle issues turn signal, controller issues instruction control 6 input torque of driving motor, by double reduction
The amplification commutation of torque increase kinematic pair acts on, and the suitable push-pull effort of output one pushes deflecting roller to turn to, while position coordinates sense
5 real-time monitoring steering angle of device, and timely feedbacking to controller, is modified steering or start and stop.
Application example
The design is applied on the unmanned logistic car in place, is both able to achieve auto-steering, and lighter weight is conducive to again
The battery capacity of vehicle is saved, increases course continuation mileage, cheap manufacturing cost, and the competitive advantage of product can be promoted.
The electric drive two-stage dual output steering-by-wire device optimizes structure, subtracts as far as possible under the premise of meeting performance requirement
Few number of parts, increases integrated level, and using nonmetallic materials or hollow shaft, lightweight is compact small and exquisite, simplifies manufacturing process,
Cost is reduced, miniature robot vehicle is suitable for.Specific outstanding advantages are as follows:
1) brand new created；1. double reduction torque increase kinematic pair, one end are connected with driving motor 6, as input power, separately
One end is connected with connecting rod 1, and as the steering operational forces of output, it is lesser can will to come from driving motor 6 by two-stage torque increase
Power is amplified to sufficiently large, realization " high load with small power "；2. and reversing mechanism can convert the rotary motion mode from input terminal
The reciprocating motion mode that is in line output；3. position coordinates sensor 5 can identify the position of diverter, current position is remembered in real time
Phasor coordinate, and keep in communication state with the controller moment；
2) part is few, and integrated level is high；Total only has following major part to form, and worm screw 7, worm gear and nut 8, commutation are led
To screw rod 4, driving motor 6, position coordinates sensor 5, connecting rod 1 and encapsulation static housing 2 etc.；Wherein, worm screw 7, worm gear
Nut 8 and commutation 4 three parts of guide spiro rod constitute this core institution of double reduction torque increase kinematic pair, and worm gear and nut 8
It is integrated with 81 3 worm gear 82, internal screw thread 83 and rotor sensor structures, commutation guide spiro rod 4 is integrated with external screw thread 43, guiding
Optical axis 42 and commutation 41 3 structures of planar band；
3) lightweight；It is miniature robot vehicle for applicable vehicle, load is smaller, is meeting the premise for turning to power output
Under use nonmetallic materials, such as core part --- worm gear and nut 8, using highstrenghtpiston as far as possible；
4) simplified manufacturing process；In each major part, only 8 structure of worm gear and nut is more complicated but made of plastic due to adopting,
One-time injection molding can be used in manufacturing process, effectively simplifies technique, high-efficient, and other design of part are all fairly simple, and
It is all existing mature technology；
5) inexpensive；Since part is few, manufacturing process is simple, can effectively reduce cost of goods manufactured, for vapour with keen competition
Garage's industry is very big advantage.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention
It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (8)
1. a kind of electric drive two-stage dual output steering-by-wire device, including encapsulation static housing (2) and driving motor (6), feature
It is, is provided with worm screw (7) on the encapsulation static housing (2), it is solid on the outside of one end of worm screw (7) and encapsulation static housing (2)
Surely the worm gear and nut (8) that driving motor (6) connection being arranged, the other end of worm screw (7) and encapsulation static housing (2) inside are arranged
Connection is combined into first order deceleration torque increase kinematic pair, the commutation being arranged on the inside of the worm gear and nut (8) and encapsulation static housing (2)
Guide spiro rod (4) connection is combined into second level deceleration torque increase kinematic pair, and commutation guide spiro rod (4) is also connect with connecting rod (1).
2. electric drive two-stage dual output steering-by-wire device according to claim 1, which is characterized in that the worm gear and nut
(8) it is processed into using highstrenghtpiston.
3. electric drive two-stage dual output steering-by-wire device according to claim 1 or 2, which is characterized in that the worm gear spiral shell
Female (8) include rotor sensor (81), worm gear (82) and internal screw thread (83), and the worm gear (82) in outside is engaged with worm screw (7)
Connection is combined into first order kinematic pair, and the internal screw thread (83) of inner hole, which engages to connect with commutation guide spiro rod (4), is combined into the
Second degree of motion pair.
4. electric drive two-stage dual output steering-by-wire device according to claim 3, which is characterized in that the rotor sensor
(81) cooperation corresponding with position coordinates sensor (5) that are arranged on the inside of encapsulation static housing (2), position coordinates sensor (5)
Controller is given for real-time detection diverter rotational angle Data Concurrent, steering is modified or start and stop.
5. electric drive two-stage dual output steering-by-wire device according to claim 3, which is characterized in that the commutation is oriented to spiral shell
Bar (4) includes commutation planar band (41), guiding optical axis (42) and external screw thread (43).
6. electric drive two-stage dual output steering-by-wire device according to claim 5, which is characterized in that the worm gear and nut
(8) internal screw thread (83) of inner hole engages connection with the external screw thread (43) of commutation guide spiro rod (4) and is combined into second level movement
It is secondary.
7. electric drive two-stage dual output steering-by-wire device according to claim 6, which is characterized in that the guiding optical axis
(42) it is cooperatively connected with commutation bearing guide sleeve (3) being arranged on the inside of encapsulation static housing (2) and is combined into the guiding movement that horizontally slips
It is secondary.
8. electric drive two-stage dual output steering-by-wire device according to claim 7, which is characterized in that the commutation planar band
(41) it is cooperatively connected with commutation bearing guide sleeve (3) and encapsulation static housing (2) and is combined into reversing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293565.6A CN109911007A (en) | 2019-04-12 | 2019-04-12 | A kind of electric drive two-stage dual output steering-by-wire device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293565.6A CN109911007A (en) | 2019-04-12 | 2019-04-12 | A kind of electric drive two-stage dual output steering-by-wire device |
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| Publication Number | Publication Date |
|---|---|
| CN109911007A true CN109911007A (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293565.6A Pending CN109911007A (en) | 2019-04-12 | 2019-04-12 | A kind of electric drive two-stage dual output steering-by-wire device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6523637B1 (en) * | 1997-02-07 | 2003-02-25 | Koyo Seiko Co., Ltd. | Steering apparatus for automobile |
| JP2003137113A (en) * | 2001-11-05 | 2003-05-14 | Koyo Seiko Co Ltd | Vehicular steering gear |
| US6810985B1 (en) * | 1999-12-17 | 2004-11-02 | Zf Lenksysteme Gmbh | Steering device for a vehicle |
| CN103129604A (en) * | 2011-11-24 | 2013-06-05 | 万都株式会社 | Power steering apparatus capable of sensing moisture |
| KR20130112405A (en) * | 2012-04-04 | 2013-10-14 | 현대모비스 주식회사 | Steering gear for vehicles |
| CN107458457A (en) * | 2017-07-06 | 2017-12-12 | 江苏速度智能科技有限公司 | Low damage control system and 360 degree of low damage body chassis and its control method |
| CN209739150U (en) * | 2019-04-12 | 2019-12-06 | 杭州镝创汽车零部件有限责任公司 | Electrically-driven two-stage double-output steer-by-wire |
-
2019
- 2019-04-12 CN CN201910293565.6A patent/CN109911007A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6523637B1 (en) * | 1997-02-07 | 2003-02-25 | Koyo Seiko Co., Ltd. | Steering apparatus for automobile |
| US6810985B1 (en) * | 1999-12-17 | 2004-11-02 | Zf Lenksysteme Gmbh | Steering device for a vehicle |
| JP2003137113A (en) * | 2001-11-05 | 2003-05-14 | Koyo Seiko Co Ltd | Vehicular steering gear |
| CN103129604A (en) * | 2011-11-24 | 2013-06-05 | 万都株式会社 | Power steering apparatus capable of sensing moisture |
| KR20130112405A (en) * | 2012-04-04 | 2013-10-14 | 현대모비스 주식회사 | Steering gear for vehicles |
| CN107458457A (en) * | 2017-07-06 | 2017-12-12 | 江苏速度智能科技有限公司 | Low damage control system and 360 degree of low damage body chassis and its control method |
| CN209739150U (en) * | 2019-04-12 | 2019-12-06 | 杭州镝创汽车零部件有限责任公司 | Electrically-driven two-stage double-output steer-by-wire |
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