CN104443011A - Electronic power-assisted steering system - Google Patents
Electronic power-assisted steering system Download PDFInfo
- Publication number
- CN104443011A CN104443011A CN201410710516.5A CN201410710516A CN104443011A CN 104443011 A CN104443011 A CN 104443011A CN 201410710516 A CN201410710516 A CN 201410710516A CN 104443011 A CN104443011 A CN 104443011A
- Authority
- CN
- China
- Prior art keywords
- permanent seat
- fixed
- drive motor
- base plate
- scaffold base
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention discloses an electronic power-assisted steering system. The system comprises a frame, a handle, a handle shaft, a rotating shaft lock plate, an angle sensor, a control module, a shock absorbing support, a travel driving motor, a steering driving motor, a speed reduction box and a driving wheel, wherein the lower end of the handle shaft drives a movable part on the angle sensor to rotate through a gear so that the rotating angle of the handle shaft can be recognized, the control module is connected with the angle sensor, the steering driving motor and the travel driving motor so that signals collected by the sensor can be fed back to the control module, and the control module is used for controlling the steering driving motor to rotate. The shock absorbing support is reasonable and firm in structure, the driving wheel and a driving system are effectively arranged so that the driving wheel, the driving system and the frame can be elastically connected, and an electrical carrying vehicle can bear large impact caused by a hollow ground so that the driving system can work more stably; the vertical alternating-current driving motor is used for driving, the transverse size of the independent driving system is effectively reduced, the structure is simplified, and the layout is more reasonable.
Description
Technical field
The present invention relates to a kind of electronic power assist steering system.
Background technology
In prior art, large ton amount electrocar turns in order to the convenient realization of operating personal, product can install electronic power assist steering system, the principle of work of electronic power assist steering system is turning to of angular transducer identification handle, and by control system by the signal feedback of angular transducer collection to the motor for controlling steered wheel rotation, electronic power assist steering system travels drive configuration in addition due to the integrated steering structure of needs, therefore complicated structure, the problem must considered when how to ensure that the reliable and stable work of system is design.The anti-vibration structure design of existing electronic power assist steering system is unreasonable, and causing electrocar when standing the impact that larger hogwallow causes, easily causing the structural destruction of system, impact normally uses.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, sound construction, stable electronic power assist steering system.
The present invention's adopted technical scheme that solves the problem is:
A kind of electronic power assist steering system, it is characterized in that: comprise vehicle frame, handle, Handle axis, rotating shaft jam plate, angular transducer, control module, shock-absorbing support, travel drive motor, turn to drive motor, deceleration box, drive wheel, wherein, one end of handle is hinged on the upper end of Handle axis, the vertical setting of Handle axis is also rotatably installed on vehicle frame, the lower end of Handle axis is rotated by the movable part on gear driven angular transducer, thus identify the rotational angle of Handle axis, control module connection angle sensor, turn to drive motor, travel drive motor, thus the signal feedback gathered by sensor is to control module, and control to turn to drive motor to rotate by control module, shock-absorbing support comprises fixed mount riser, guide pillar fixation clip, scaffold base plate, guide pillar, guide ring, guide cylinder, pressurized spring, spring perch, caging bolt, upper left permanent seat, upper right permanent seat, bottom left permanent seat and bottom right permanent seat, fixed mount is vertical to be fixed on vehicle frame, fixed mount is arranged two guide pillars of symmetry arrangement, the upper end of two guide pillars is separately fixed at upper left permanent seat, on upper right permanent seat, guide pillar fixation clip is fixed on upper left permanent seat, on upper right permanent seat, the lower end of two guide pillars is separately fixed on bottom left permanent seat and bottom right permanent seat, bottom left permanent seat and bottom right permanent seat are all fixed on fixed mount riser, scaffold base plate is fixed with two guide cylinders of symmetry arrangement, the lower end of guide cylinder is fixed on scaffold base plate, guide ring is provided with in guide cylinder, guide pillar inserts the guide cylinder in guide cylinder, thus the sliding block joint realized between scaffold base plate and fixed mount, two caging bolts are provided with between two guide cylinders, guide pillar fixation clip offers two bolt connecting holes inserted for caging bolt, caging bolt inserting bolt connecting bore, the head of caging bolt is greater than bolt connecting hole because of size, and the top of bolt connecting hole is limited in by bolt connecting hole, scaffold base plate is symmetrically arranged with two spring perches, the lower end of spring perch is fixed on scaffold base plate, spring perch is arranged with pressurized spring, the top and bottom of pressurized spring are against on guide pillar fixation clip and scaffold base plate respectively, spring perch offers the tapped bore be threaded for caging bolt, two caging bolts insert in two pressurized springs respectively and the lower end of two caging bolts connects the tapped bore on two spring perches respectively, turn to drive motor, travelling drive motor is all fixed on the upper surface of scaffold base plate, the lower surface of scaffold base plate is fixed with large rotating bearing, the pivot center of large rotating bearing is vertically arranged, steering gear is fixed with below large rotating bearing, thus make steering gear be rotatably installed on scaffold base plate, steering gear is provided with deceleration box, the rotating shaft of drive wheel is horizontally disposed with and is fixed on the output shaft of deceleration box, turn to drive motor, the output shaft travelling drive motor is all vertically arranged, the output shaft travelling drive motor passes described scaffold base plate and is connected with the input shaft of deceleration box, thus drive the drive wheel on deceleration box to rotate by travelling drive motor, thus realize advancing action, turn to the output shaft of drive motor through described scaffold base plate and be connected by gear transmission with steering gear, thus by turning to drive motor to drive deceleration box to realize handling maneuver.
As preferably, the cross section of fixed mount riser is groove type, and upper left permanent seat, upper right permanent seat, bottom left permanent seat and bottom right permanent seat are fixed on the right angle of fixed mount riser.
As preferably, described traveling drive motor adopts alternating current dynamo.
As preferably, guide cylinder is welded with the brace panel be welded and fixed with scaffold base plate.
As preferably, the axis of Handle axis and the axis collinear of steering gear are arranged.
The present invention compared with prior art, have the following advantages and effect: shock-absorbing support rational in infrastructure, firmly, and layout drive wheel, drive system effectively, make drive wheel, achieve elasticity between drive system with vehicle frame and be connected, electrocar can stand the impact that larger hogwallow causes, thus drive system can be allowed more stably to work; Adopt vertical AC drive motor to drive, efficiently reduce the lateral dimension of independent driving system, simplify the structure, layout is more reasonable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the shock-absorbing supporting structure schematic diagram of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
See Fig. 1-2, the present embodiment electronic power assist steering system, comprise vehicle frame, handle 22, Handle axis 221, rotating shaft jam plate 222, angular transducer 23, control module, shock-absorbing support 25, travel drive motor 26, turn to drive motor 27, deceleration box 281, drive wheel 282, wherein, one end of handle 22 is hinged on the upper end of Handle axis 221, the vertical setting of Handle axis 221 is also rotatably installed on vehicle frame, the lower end of Handle axis 221 is rotated by the movable part on gear driven angular transducer 23, thus identify the rotational angle of Handle axis 221, control module connection angle sensor 23, turn to drive motor 27, travel drive motor 26, thus the signal feedback gathered by sensor is to control module, and control to turn to drive motor to rotate by control module, shock-absorbing support 25 comprises fixed mount riser 251, guide pillar fixation clip 252, scaffold base plate 253, guide pillar 254, guide ring, guide cylinder 255, pressurized spring 256, spring perch 257, caging bolt 258, upper left permanent seat 2591, upper right permanent seat 2592, bottom left permanent seat 2593 and bottom right permanent seat 2594, fixed mount is vertical to be fixed on vehicle frame, fixed mount is arranged two guide pillars 254 of symmetry arrangement, the upper end of two guide pillars 254 is separately fixed at upper left permanent seat 2591, on upper right permanent seat 2592, guide pillar fixation clip 252 is fixed on upper left permanent seat 2591, on upper right permanent seat 2592, the lower end of two guide pillars 254 is separately fixed on bottom left permanent seat 2593 and bottom right permanent seat 2594, bottom left permanent seat 2593 and bottom right permanent seat 2594 are all fixed on fixed mount riser 251, scaffold base plate 253 is fixed with two guide cylinders 255 of symmetry arrangement, the lower end of guide cylinder 255 is fixed on scaffold base plate 253, guide ring is provided with in guide cylinder 255, guide pillar 254 inserts the guide cylinder 255 in guide cylinder 255, thus the sliding block joint realized between scaffold base plate 253 and fixed mount, two caging bolts 258 are provided with between two guide cylinders 255, guide pillar fixation clip 252 offers two bolt connecting holes inserted for caging bolt 258, caging bolt 258 inserting bolt connecting bore, the head of caging bolt 258 is greater than bolt connecting hole because of size, and the top of bolt connecting hole is limited in by bolt connecting hole, scaffold base plate 253 is symmetrically arranged with two spring perches 257, the lower end of spring perch 257 is fixed on scaffold base plate 253, spring perch 257 is arranged with pressurized spring 256, the top and bottom of pressurized spring 256 are against on guide pillar fixation clip 252 and scaffold base plate 253 respectively, spring perch 257 offers the tapped bore be threaded for caging bolt 258, two caging bolts 258 insert in two pressurized springs 256 respectively and the lower end of two caging bolts 258 connects the tapped bore on two spring perches 257 respectively, turn to drive motor 27, travelling drive motor 26 is all fixed on the upper surface of scaffold base plate 253, the lower surface of scaffold base plate 253 is fixed with large rotating bearing 283, the pivot center of large rotating bearing 283 is vertically arranged, steering gear 284 is fixed with below large rotating bearing 283, thus make steering gear 284 be rotatably installed on scaffold base plate 253, steering gear 284 is provided with deceleration box 281, the rotating shaft of drive wheel 282 is horizontally disposed with and is fixed on the output shaft of deceleration box 281, turn to drive motor 27, the output shaft travelling drive motor 26 is all vertically arranged, the output shaft travelling drive motor 26 passes described scaffold base plate 253 and is connected with the input shaft of deceleration box 281, thus drive the drive wheel 282 on deceleration box 281 to rotate by travelling drive motor 26, thus realize advancing action, turn to the output shaft of drive motor 27 through described scaffold base plate 253 and be connected by gear transmission with steering gear 284, thus by turning to drive motor 27 to drive deceleration box 281 to realize handling maneuver.The cross section of fixed mount riser 251 is groove type, and upper left permanent seat 2591, upper right permanent seat 2592, bottom left permanent seat 2593 and bottom right permanent seat 2594 are fixed on the right angle of fixed mount riser 251.Described traveling drive motor 26 adopts alternating current dynamo.Guide cylinder 255 is welded with the brace panel 2551 be welded and fixed with scaffold base plate 253.The axis of Handle axis 221 and the axis collinear of steering gear 284 are arranged.
Above content described in this specification sheets is only casehistory made for the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification sheets of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (5)
1. an electronic power assist steering system, it is characterized in that: comprise vehicle frame, handle, Handle axis, rotating shaft jam plate, angular transducer, control module, shock-absorbing support, travel drive motor, turn to drive motor, deceleration box, drive wheel, wherein, one end of handle is hinged on the upper end of Handle axis, the vertical setting of Handle axis is also rotatably installed on vehicle frame, the lower end of Handle axis is rotated by the movable part on gear driven angular transducer, thus identify the rotational angle of Handle axis, control module connection angle sensor, turn to drive motor, travel drive motor, thus the signal feedback gathered by sensor is to control module, and control to turn to drive motor to rotate by control module, shock-absorbing support comprises fixed mount riser, guide pillar fixation clip, scaffold base plate, guide pillar, guide ring, guide cylinder, pressurized spring, spring perch, caging bolt, upper left permanent seat, upper right permanent seat, bottom left permanent seat and bottom right permanent seat, fixed mount is vertical to be fixed on vehicle frame, fixed mount is arranged two guide pillars of symmetry arrangement, the upper end of two guide pillars is separately fixed at upper left permanent seat, on upper right permanent seat, guide pillar fixation clip is fixed on upper left permanent seat, on upper right permanent seat, the lower end of two guide pillars is separately fixed on bottom left permanent seat and bottom right permanent seat, bottom left permanent seat and bottom right permanent seat are all fixed on fixed mount riser, scaffold base plate is fixed with two guide cylinders of symmetry arrangement, the lower end of guide cylinder is fixed on scaffold base plate, guide ring is provided with in guide cylinder, guide pillar inserts the guide cylinder in guide cylinder, thus the sliding block joint realized between scaffold base plate and fixed mount, two caging bolts are provided with between two guide cylinders, guide pillar fixation clip offers two bolt connecting holes inserted for caging bolt, caging bolt inserting bolt connecting bore, the head of caging bolt is greater than bolt connecting hole because of size, and the top of bolt connecting hole is limited in by bolt connecting hole, scaffold base plate is symmetrically arranged with two spring perches, the lower end of spring perch is fixed on scaffold base plate, spring perch is arranged with pressurized spring, the top and bottom of pressurized spring are against on guide pillar fixation clip and scaffold base plate respectively, spring perch offers the tapped bore be threaded for caging bolt, two caging bolts insert in two pressurized springs respectively and the lower end of two caging bolts connects the tapped bore on two spring perches respectively, turn to drive motor, travelling drive motor is all fixed on the upper surface of scaffold base plate, the lower surface of scaffold base plate is fixed with large rotating bearing, the pivot center of large rotating bearing is vertically arranged, steering gear is fixed with below large rotating bearing, thus make steering gear be rotatably installed on scaffold base plate, steering gear is provided with deceleration box, the rotating shaft of drive wheel is horizontally disposed with and is fixed on the output shaft of deceleration box, turn to drive motor, the output shaft travelling drive motor is all vertically arranged, the output shaft travelling drive motor passes described scaffold base plate and is connected with the input shaft of deceleration box, thus drive the drive wheel on deceleration box to rotate by travelling drive motor, thus realize advancing action, turn to the output shaft of drive motor through described scaffold base plate and be connected by gear transmission with steering gear, thus by turning to drive motor to drive deceleration box to realize handling maneuver.
2. electronic power assist steering system according to claim 1, is characterized in that: the cross section of fixed mount riser is groove type, and upper left permanent seat, upper right permanent seat, bottom left permanent seat and bottom right permanent seat are fixed on the right angle of fixed mount riser.
3. electronic power assist steering system according to claim 1, is characterized in that: described traveling drive motor adopts alternating current dynamo.
4. electronic power assist steering system according to claim 1, is characterized in that: guide cylinder is welded with the brace panel be welded and fixed with scaffold base plate.
5. electronic power assist steering system according to claim 1, is characterized in that: the axis of Handle axis and the axis collinear of steering gear are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710516.5A CN104443011A (en) | 2014-11-28 | 2014-11-28 | Electronic power-assisted steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710516.5A CN104443011A (en) | 2014-11-28 | 2014-11-28 | Electronic power-assisted steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104443011A true CN104443011A (en) | 2015-03-25 |
Family
ID=52889961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410710516.5A Pending CN104443011A (en) | 2014-11-28 | 2014-11-28 | Electronic power-assisted steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104443011A (en) |
-
2014
- 2014-11-28 CN CN201410710516.5A patent/CN104443011A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |