CN203158056U - Vehicular steering-by-wire steering wheel device - Google Patents
Vehicular steering-by-wire steering wheel device Download PDFInfo
- Publication number
- CN203158056U CN203158056U CN201320073102.7U CN201320073102U CN203158056U CN 203158056 U CN203158056 U CN 203158056U CN 201320073102 U CN201320073102 U CN 201320073102U CN 203158056 U CN203158056 U CN 203158056U
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- Prior art keywords
- fixedly connected
- baffle plate
- gear shaft
- driven gear
- driving gear
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- Expired - Fee Related
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- 230000002457 bidirectional effect Effects 0.000 claims description 32
- 239000002828 fuel tank Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 210000000056 organ Anatomy 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 19
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The utility model discloses a vehicular steering-by-wire steering wheel device which aims at accurately detecting rotating angles of a steering wheel, can provide adjustable and suitable road feel for a driver and can change working modes under different working conditions and adjust the steering wheel to complete rotating turns of all-wheel steering. A stroke retaining block is fixedly connected with a rack and a slider which is slidably connected on a linear guide rail, grooves are reserved on upper and lower sides of the stroke retaining block, a retaining plate is fixedly connected with a steering engine motor, a differential pressure sensor is mounted between an oil incoming pipeline and an oil outgoing pipeline which are connected between a two-way hydraulic pump and a proportional throttle valve, a driving gear shaft is fixedly connected with the two-way hydraulic pump, a small gear is mounted with the rack in a meshed fit manner, a rotating rod of the steering wheel is fixedly connected with the driving gear shaft, a driven gear shaft is fixedly connected with a shaft angle coder, and a driven gear is fixedly connected with the driven gear shaft. The vehicular steering-by-wire steering wheel device is suitable for vehicles to serve as a steering-by-wire steering wheel.
Description
Technical field
The utility model relates to a kind of vehicle steering device, specifically a kind of vehicle line traffic control steering direction dish device.
Background technology
The function of steering swivel system is the travel direction of maneuver vehicle, and system should be able to keep vehicle stabilization ground along straight-line travelling as required, and can change travel direction as requested neatly.Basic demand to steering swivel system is that manipulation light and flexible, working stability are reliable, use is economical durable, and turning efficiency is to guarantee vehicle safe driving, alleviates the labour intensity of chaufeur, the key factor of raising work production rate.Steering swivel system is the crucial assembly that determines vehicle safety and operating efficiency.
Along with the raising of application scenario working condition requirement and the development of current technology, the performance need of wheel steering system further improves, solve the sensitivity that exists in original steering swivel system unadjustable, do not have problems such as road feel, complex structure, noise height, for improving turning efficiency, the scientific worker is devoted to study the steering-by-wire technology.It is to connect and each element of control steering swivel system replaces traditional machinery or hydraulic pressure to connect by microelectronic technique.The steering-by-wire technology adopts sensor record driver's the data that turn to, and by data line signal is passed to micro-control unit (MCU) on the car then, after comprehensive these and other signals of MCU are made judgement, controls the steering angle of vehicle again.Owing to cancelled the mechanical connection between bearing circle and the wheel flutter, the various restrictions of conventional steering system have been completely free of, design, the assembling of vehicle are greatly simplified, but also the force transfering characteristic and the angle transmission characteristic that can free design vehicle turn to are the significant innovations of wheel steering system.Particularly on construction machinery and equipment, especially loader requires higher to steering swivel system, existing main technical scheme is in the bearing circle bottom all-hydraulic steering gear to be installed, lead to the flow that turns to oil cylinder by steering wheel rotation control, there are many problems in such steering mode, at first, because the deflector of selecting is fixed, when turning to from an end position to the bearing circle of another end position the required rotation number of turns also just fixing, when carrying out loading operation, turning to just of wide-angle can be finished the work frequently, and at this moment operator's labour intensity is very big.Secondly, chaufeur does not have suitable road feel in driving procedure, operate uncomfortable, again, because all-hydraulic steering gear need be installed in the lower end of bearing circle, therefore, must guide to pipeline near the operator's compartment, this has just increased the complexity of fitting process and the noise in the operator's compartment.
Therefore design a kind of vehicle line traffic control steering direction dish device and become and be necessary very much, be conducive to promote exploitation, the development and application of wire-controlled steering system.
Summary of the invention
The vehicle line traffic control steering direction dish device that the utility model provides, can accurately detect the anglec of rotation of bearing circle, can be for chaufeur provide adjustable, suitable road feel, and can under different operating modes, change mode of operation, adjust bearing circle and finish the rotation number of turns that turns to entirely.
In order to solve above-mentioned technical matters, the utility model adopts following technical proposals: device is mainly by line slideway, stroke dog, driving gear, driving gear shaft, miniature gears, tooth bar, bearing seat, driven gear shaft, driven gear, Left-wing Federation's axial organ, right coupler, angular-motion transducer, the bidirectional hydraulic pump, differential pressure transducer, proportional throttle valve, Fill valve, fuel tank, casing, motor, baffle plate, the baffle plate supporting seat, slide block and bearing circle are formed, described line slideway and casing are fixedly connected, described stroke dog and tooth bar dorsal part are fixedly connected, described stroke dog and slide block are fixedly connected, described slide block is slidingly connected on line slideway, the upside of described stroke dog is provided with one and goes up long recess, downside is provided with the following long recess of and the same length of last long recess, length direction center symmetric position at following long recess arranges a short groove, described motor is installed on the casing, described baffle plate and baffle plate bearing pin are fixedly connected, baffle plate bearing pin running-fit is installed on two baffle plate supporting seats, the output shaft of baffle plate bearing pin and motor is fixedly connected, described baffle plate supporting seat is fixedly mounted on the casing, described proportional throttle valve is fixedly mounted on the casing, described bidirectional hydraulic pump oil inlet and outlet is by the oil inlet and outlet corresponding connection of pipeline with proportional throttle valve, between the turnover oil pipe line that is connected between described bidirectional hydraulic pump and the proportional throttle valve differential pressure transducer is installed, described bidirectional hydraulic pump is installed on the casing, described driving gear shaft is fixedly connected by the input shaft of Left-wing Federation's axial organ and bidirectional hydraulic pump, described driving gear and driving gear shaft are fixedly connected, described miniature gears and driving gear shaft are fixedly connected, described miniature gears cooperates installation with the tooth bar engaged transmission, revolving bar and the driving gear shaft of described bearing circle are fixedly connected, described angular-motion transducer is installed on the casing, described driven gear shaft is fixedly connected by the input shaft of right coupler and angular-motion transducer, described driven gear and driven gear shaft are fixedly connected, described driving gear cooperates installation with the driven gear engaged transmission, described bearing seat and casing are fixedly connected, and described driven gear shaft is installed on the bearing seat by bearing.
Described line slideway is the square line slideway, the axial line of described angular-motion transducer is installed with the axial line of driven gear shaft is concentric, the axial line of described bidirectional hydraulic pump is installed with the axial line of driving gear shaft is concentric, described baffle plate supporting seat is provided with two backplates and the baffle plate both sides move with the touch, only allow baffle plate between two backplates, to rotate around the baffle plate bearing pin, described driving gear and driven gear are installed at grade, on the turnover oil pipe line that is connected between described bidirectional hydraulic pump and the proportional throttle valve Fill valve is set respectively, the oil inlet of Fill valve is connected with fuel tank, the fuel tank of sealing is installed on the casing, and described motor is steering gear electric-machine.
The employing the beneficial effects of the utility model are, can accurately detect the anglec of rotation of bearing circle, can provide adjustable, suitable road feel to chaufeur, and can under different operating modes, change mode of operation, adjust bearing circle and finish the rotation number of turns that turns to entirely, the excellent popularization using value is arranged.
Description of drawings
Fig. 1 is the front view of vehicle line traffic control steering direction dish device described in the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is the left view of vehicle line traffic control steering direction dish device described in the utility model.
Among the figure: line slideway 1 stroke dog 2 driving gears 3 driving gear shafts 4 miniature gearss 5 tooth bars 6 bearing seats 7 driven gear shafts 8 driven gears 9 Left-wing Federation's axial organs 10 right coupler 11 angular-motion transducers 12 bidirectional hydraulic pumps 13 differential pressure transducers 14 proportional throttle valves 15 Fill valves 16 fuel tanks 17 casings 18 motors 19 baffle plates 20 baffle plate supporting seats 21 slide blocks 22 bearing circle 23
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
At Fig. 1, Fig. 2, among Fig. 3 and Fig. 4, this device is mainly by line slideway 1, stroke dog 2, driving gear 3, driving gear shaft 4, miniature gears 5, tooth bar 6, bearing seat 7, driven gear shaft 8, driven gear 9, Left-wing Federation's axial organ 10, right coupler 11, angular-motion transducer 12, bidirectional hydraulic pump 13, differential pressure transducer 14, proportional throttle valve 15, Fill valve 16, fuel tank 17, casing 18, motor 19, baffle plate 20, baffle plate supporting seat 21, slide block 22 and bearing circle 23 are formed, described line slideway 1 is fixedly connected with casing 18, described stroke dog 2 connects by bolt with tooth bar 6 dorsal parts, described stroke dog 2 and slide block 22 connect by bolt, described slide block 22 is slidingly connected on square line slideway 1, the upside Milling Process of described stroke dog 2 goes out one and goes up long recess, the downside Milling Process goes out the following long recess of and the same length of last long recess, length direction center symmetric position Milling Process at following long recess goes out a short groove, described motor 19 is installed on the casing 18 by bolt for steering gear electric-machine, described baffle plate 20 is fixedly connected with the baffle plate bearing pin, baffle plate bearing pin running-fit is installed on two baffle plate supporting seats 21, the output shaft of baffle plate bearing pin and motor 19 is fixedly connected, described baffle plate supporting seat 21 is installed on the casing 18 by bolt, described proportional throttle valve 15 is installed on the casing 18 by bolt, described bidirectional hydraulic pump 13 oil inlet and outlets are by the oil inlet and outlet corresponding connection of pipeline with proportional throttle valve 15, between the turnover oil pipe line that is connected between described bidirectional hydraulic pump 13 and the proportional throttle valve 15 differential pressure transducer 14 is installed, described bidirectional hydraulic pump 13 is installed on the casing 18 by bolt, the lower end of described driving gear shaft 4 is fixedly connected by the input shaft of Left-wing Federation's axial organ 10 with bidirectional hydraulic pump 13, described driving gear 3 is fixedly connected by key and driving gear shaft 4, described miniature gears 5 processes with driving gear shaft 4 integral body, described miniature gears 5 cooperates installation with tooth bar 6 engaged transmission, the upper end of the revolving bar of described bearing circle 23 and driving gear shaft 4 is fixedly connected by coupler, described angular-motion transducer 12 is installed on the casing 18 by bolt, the lower end of described driven gear shaft 8 is fixedly connected by the input shaft of right coupler 11 with angular-motion transducer 12, described driven gear 9 is fixedly connected by key and driven gear shaft 8, described driving gear 3 cooperates installation with driven gear 9 engaged transmission, described bearing seat 7 is fixedly connected with casing 18, and the upper end of described driven gear shaft 8 is installed on the bearing seat 7 by bearing.
Described line slideway 1 is the square line slideway, the axial line of described angular-motion transducer 12 is installed with the axial line of driven gear shaft 8 is concentric, the axial line of described bidirectional hydraulic pump 13 is installed with the axial line of driving gear shaft 4 is concentric, described baffle plate supporting seat 21 is provided with two backplates and baffle plate 20 both sides move with the touch, only allow baffle plate 20 between two backplates, to rotate around the baffle plate bearing pin, described driving gear 3 is installed at grade with driven gear 9, on the turnover oil pipe line that is connected between described bidirectional hydraulic pump 13 and the proportional throttle valve 15 Fill valve 16 is set respectively, the oil inlet of Fill valve 16 is connected with fuel tank 17, and the fuel tank 17 of sealing is installed on the casing 18.
When vehicle is driven on normal road surface, press the walking mode button, steering gear electric-machine 19 rotates and drives baffle plate 20 actions, the overhead gage of baffle plate 20 is just in time moved on the stroke dog 2 in the long recess, vehicle just is in the normal row walking modes like this, and just to turn to the angle of rotation entirely be 900 ° to bearing circle 23.Bearing circle 23 drives bidirectional hydraulic pump 13 and rotates when rotating, the hydraulic oil of bidirectional hydraulic pump 13 outputs enters proportional throttle valve 15, the hydraulic oil that comes out from proportional throttle valve 15 enters the oil inlet of bidirectional hydraulic pump 13 again, proportional throttle valve 15 is opened different orifice sizes according to the information of road surface instruction that the micro-control unit transmission comes, make bidirectional hydraulic pump 13 oil inlet and oil outlet between produce corresponding difference of pressure, the application force of difference of pressure generation will be applied to and produce corresponding dumping force on the bearing circle thus, namely can provide corresponding road feel feedback to chaufeur, differential pressure transducer 14 constantly detects the pressure difference value between bidirectional hydraulic pump 13 oil inlet and outlets and exports electric signal to the orifice size of MCU control resize ratio flow regulating valve 15, and then reach suitable road feel state, driving gear 3 also can rotate with bearing circle 23 identical angles simultaneously, and the corresponding angle of drive driven gear 9 rotations, angular-motion transducer 12 just can detect the anglec of rotation of driven gear 9 and export electric signal, one side of the last long recess of stroke dog 2 can stop motion under the barrier effect of baffle plate 20 and baffle plate supporting seat 21 when bearing circle 23 forwards full steering position to, tooth bar 6 and also stop motion of miniature gears 5, bearing circle 23 is spacing.When vehicle when operation is driven, press the work pattern button, steering gear electric-machine 19 rotates and drives baffle plate 20 actions, the lower baffle plate of baffle plate 20 is moved in the short groove in 2 times long recess of stroke dog, if owing to bearing circle 23 not when meta makes baffle plate 20 not enter in the short groove, along with the turn of returning of bearing circle, baffle plate 20 also can slip into down in the short groove of long recess, vehicle just is in work pattern like this, and just to turn to the angular transformation of rotation entirely be 180 ° to bearing circle 23.Bearing circle 23 drives bidirectional hydraulic pump 13 and rotates when rotating, the hydraulic oil of bidirectional hydraulic pump 13 outputs enters proportional throttle valve 15, the hydraulic oil that comes out from proportional throttle valve 15 enters the oil inlet of bidirectional hydraulic pump 13 again, proportional throttle valve 15 is opened different orifice sizes according to the information of road surface instruction that the micro-control unit transmission comes, make bidirectional hydraulic pump 13 oil inlet and oil outlet between produce corresponding difference of pressure, the application force of difference of pressure generation will be applied to and produce corresponding dumping force on the bearing circle thus, namely can provide corresponding road feel feedback to chaufeur, differential pressure transducer 14 constantly detects the pressure difference value between bidirectional hydraulic pump 13 oil inlet and outlets and exports electric signal to the orifice size of MCU control resize ratio flow regulating valve 15, and then reach suitable road feel state, driving gear 3 also can rotate with bearing circle 23 identical angles simultaneously, and the corresponding angle of drive driven gear 9 rotations, angular-motion transducer 12 just can detect the anglec of rotation of driven gear 9 and export electric signal, one side of the short groove of the following long recess of stroke dog 2 can be in stop motion under the barrier effect of baffle plate 20 and baffle plate supporting seat 21 when bearing circle 23 forwards full steering position to, tooth bar 6 and also stop motion of miniature gears 5, bearing circle 23 is spacing.When the hydraulic oil in the loop reduced, the hydraulic oil that fuel tank is 17 li came to the loop repairing by Fill valve 16.Thereby can detect the anglec of rotation of bearing circle accurately, provide adjustable, suitable road feel to chaufeur, according to different mode of operations, adjust bearing circle and finish the rotation number of turns that turns to entirely.
Claims (8)
1. vehicle line traffic control steering direction dish device, it is characterized in that, mainly by line slideway (1), stroke dog (2), driving gear (3), driving gear shaft (4), miniature gears (5), tooth bar (6), bearing seat (7), driven gear shaft (8), driven gear (9), Left-wing Federation's axial organ (10), right coupler (11), angular-motion transducer (12), bidirectional hydraulic pump (13), differential pressure transducer (14), proportional throttle valve (15), Fill valve (16), fuel tank (17), casing (18), motor (19), baffle plate (20), baffle plate supporting seat (21), slide block (22) and bearing circle (23) are formed; Described line slideway (1) is fixedly connected with casing (18), described stroke dog (2) is fixedly connected with tooth bar (6) dorsal part, described stroke dog (2) is fixedly connected with slide block (22), described slide block (22) is slidingly connected on line slideway (1), the upside of described stroke dog (2) is provided with one and goes up long recess, downside is provided with the following long recess of and the same length of last long recess, length direction center symmetric position at following long recess arranges a short groove, described motor (19) is installed on the casing (18), described baffle plate (20) is fixedly connected with the baffle plate bearing pin, baffle plate bearing pin running-fit is installed on two baffle plate supporting seats (21), the output shaft of baffle plate bearing pin and motor (19) is fixedly connected, described baffle plate supporting seat (21) is fixedly mounted on the casing (18), described proportional throttle valve (15) is fixedly mounted on the casing (18), described bidirectional hydraulic pump (13) oil inlet and outlet is by the oil inlet and outlet corresponding connection of pipeline with proportional throttle valve (15), between the turnover oil pipe line that is connected between described bidirectional hydraulic pump (13) and the proportional throttle valve (15) differential pressure transducer (14) is installed, described bidirectional hydraulic pump (13) is installed on the casing (18), described driving gear shaft (4) is fixedly connected by the input shaft of Left-wing Federation's axial organ (10) with bidirectional hydraulic pump (13), described driving gear (3) is fixedly connected with driving gear shaft (4), described miniature gears (5) is fixedly connected with driving gear shaft (4), described miniature gears (5) cooperates installation with tooth bar (6) engaged transmission, the revolving bar of described bearing circle (23) and driving gear shaft (4) are fixedly connected, described angular-motion transducer (12) is installed on the casing (18), described driven gear shaft (8) is fixedly connected by the input shaft of right coupler (11) with angular-motion transducer (12), described driven gear (9) is fixedly connected with driven gear shaft (8), described driving gear (3) cooperates installation with driven gear (9) engaged transmission, described bearing seat (7) is fixedly connected with casing (18), and described driven gear shaft (8) is installed on the bearing seat (7) by bearing.
2. vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: line slideway (1) is the square line slideway.
3. vehicle line traffic control steering direction dish device according to claim 1 is characterized in that: the concentric installation of axial line of the axial line of described angular-motion transducer (12) and driven gear shaft (8).
4. vehicle line traffic control steering direction dish device according to claim 1 is characterized in that: the concentric installation of axial line of the axial line of described bidirectional hydraulic pump (13) and driving gear shaft (4).
5. vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: described baffle plate supporting seat (21) is provided with two backplates and baffle plate (20) both sides move with the touch, and only allows baffle plate (20) to rotate around the baffle plate bearing pin between two backplates.
6. vehicle line traffic control steering direction dish device according to claim 1 is characterized in that: described driving gear (3) is installed at grade with driven gear (9).
7. vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: on the turnover oil pipe line that is connected between described bidirectional hydraulic pump (13) and the proportional throttle valve (15) Fill valve (16) is set respectively, the oil inlet of Fill valve (16) is connected with fuel tank (17), and the fuel tank of sealing (17) is installed on the casing (18).
8. vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: described motor (19) is steering gear electric-machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320073102.7U CN203158056U (en) | 2013-01-10 | 2013-01-10 | Vehicular steering-by-wire steering wheel device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320073102.7U CN203158056U (en) | 2013-01-10 | 2013-01-10 | Vehicular steering-by-wire steering wheel device |
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CN203158056U true CN203158056U (en) | 2013-08-28 |
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CN201320073102.7U Expired - Fee Related CN203158056U (en) | 2013-01-10 | 2013-01-10 | Vehicular steering-by-wire steering wheel device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103112487A (en) * | 2013-01-10 | 2013-05-22 | 青岛科技大学 | Vehicle steering-by-wire steering wheel device |
CN103359131B (en) * | 2012-03-30 | 2017-07-04 | 勃姆巴迪尔运输有限公司 | Mechanical boolean's steering gear |
CN107813862A (en) * | 2016-09-13 | 2018-03-20 | 操纵技术Ip控股公司 | Steering column piece-rate system |
-
2013
- 2013-01-10 CN CN201320073102.7U patent/CN203158056U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103359131B (en) * | 2012-03-30 | 2017-07-04 | 勃姆巴迪尔运输有限公司 | Mechanical boolean's steering gear |
CN103112487A (en) * | 2013-01-10 | 2013-05-22 | 青岛科技大学 | Vehicle steering-by-wire steering wheel device |
CN107813862A (en) * | 2016-09-13 | 2018-03-20 | 操纵技术Ip控股公司 | Steering column piece-rate system |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140110 |