CN205158698U - Rack and pinion formula automobile driving simulator turns to device - Google Patents
Rack and pinion formula automobile driving simulator turns to device Download PDFInfo
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- CN205158698U CN205158698U CN201520879731.8U CN201520879731U CN205158698U CN 205158698 U CN205158698 U CN 205158698U CN 201520879731 U CN201520879731 U CN 201520879731U CN 205158698 U CN205158698 U CN 205158698U
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Abstract
The utility model discloses a rack and pinion formula automobile driving simulator turns to device belongs to automobile driving simulator technical field, first spring is cup jointed to the one end of rack, cup joint first retaining ring again, first retaining ring is pushed down to nut screw in rack, the other end of rack cup joints the second spring, the second spring is pushed down to fork ear screw in rack, the bracing piece penetrates and welds on the fork ear, the lever ironbar by a fix with rivet on the automobile driving simulator iron stand, the rectangular shape opening part of second rivet card at the lever ironbar is passed through to the one end of actuating lever, the actuating lever embolias the second retaining ring, then it penetrates in the directional sleeve pipe to cup joint the third spring again, the actuating lever other end is stained with the bar magnet, linear hall sensor is in by the bar magnet, and make the bar magnet be in linear hall sensor's side, bar magnet and linear hall sensor contactless, it can realize completely turning to the device spacing, just return with corner measurement function, long service lifetime.
Description
Technical field
The utility model relates to automobile driving simulator technical field, is specifically related to pinion and-rack automobile driving simulator steering gear.
Background technology
Automobile driving simulator generally includes the functional units such as bearing circle, clutch coupling, service brake, throttle, parking brake, steering indicating light, windscreen wiper, gear.The mechanism be connected with bearing circle is steering gear, and it is the most complicated also of paramount importance functional unit in automobile driving simulator all operations parts.As a rule, the steering gear in automobile driving simulator needs following function: spacing, returning just and outer corner measurement.
Spacing: time vehicle steering rotates usually, to have rotational angle to limit, generally include ± 720 degree (namely bearing circle can take two turns left, also can take two turns to the right), ± 540 degree (namely bearing circle can turn around half left, also can turn around half to the right).
Hui Zheng: in the driving process of vehicle, if the certain angle of rotating of steering wheel, then bearing circle can self-aligning to meta.
Outer corner measurement: in order to make drive simulating program and bearing circle link, needing the rotational angle knowing bearing circle at any time, therefore just needing the sensor installing and measuring rotational angle on the steering wheel.
Existing common automobile driving simulator steering gear is below described:
Existing scheme 1(mechanical type): bearing circle is provided with a centre rotational axis, centre rotational axis is provided with gear rack arrangement, thus be rectilinear motion by the convert rotational motion of bearing circle, on the axle both sides of rectilinear motion, spring is installed, for steering wheel return just.In addition, the one end on the axle of rectilinear motion, is provided with rod-pulling type linear displacement transducer.At the two ends of linear axis, two limit screw caps are installed, for the range of movement of straight limit axle, thus limit the rotational angle of bearing circle.The advantage of this scheme is less demanding to installation accuracy, and production cost is comparatively cheap.Shortcoming is that need larger spring could return positive dirction dish, cause steering wheel return positive force excessive, feel is poor because rack-and-pinion resistance is comparatively large.Another shortcoming is that rod-pulling type linear displacement transducer belongs to touch sensor, easy to wear.
Existing scheme 2(mechanical type): a kind of mechanical type returns positive automobile driving simulator steering gear, and it comprises bearing circle, the first turning axle, the first gear, the second turning axle, the second gear, spacing swing handle, limited block, the first bar magnet, the second bar magnet, Hall angular transducer, wiring board, the first spring, the second spring and rotary damper.One end of first turning axle is socketed with bearing circle, the other end of the first turning axle is thin square rectangular, this thin square rectangular on be socketed with rotary damper, the middle part of the first turning axle is socketed with the first gear, the right side of the first gear is engaged with the second gear, second geared sleeve is connected on one end of the second turning axle, the middle part of the second turning axle is socketed with spacing swing handle, the below of spacing swing handle is provided with limited block, the other end of the second turning axle is provided with the first bar magnet and the second bar magnet that are bonded together, the side of the first bar magnet and the second bar magnet is provided with wiring board, the center of wiring board is welded with Hall angular transducer, first spring housing is on the second turning axle, and between the second gear and spacing swing handle, one end of first spring is stuck on spacing swing handle, the first spring other end is fixed, second spring housing is on the second turning axle, and between spacing swing handle and the first bar magnet, one end of second spring is stuck on spacing swing handle, the second spring other end is fixed.This scheme is relative to scheme 1, and advantage is that when eliminating gear rack arrangement rear steering, feel is better, and adopt magnet and Hall angular transducer to carry out outer corner measurement, sensor life-time is longer than the linear displacement transducer of scheme 1.Shortcoming is: higher to the requirement of installation accuracy, and cost is also higher.
Existing scheme 3(electric motor type): steering wheel shaft is provided with pinion wheel, and pinion wheel is connected with gear wheel, mounting limit device on gear wheel.Again by gear set, mounted motor and photoelectric encoder on steering wheel shaft.Wherein motor is used for providing steering wheel return positive force and Vibration Simulation, and photoelectric encoder is used for direction of measurement dish corner.The advantage of this scheme is the steering wheel angle precision that photoelectric encoder can provide very high, and numerical stability.Motor can provide comparatively uniform bearing circle counter-force, and feel is better, in addition, can be simulated the steering wheel vibration on road surface of jolting by control moment motor.Shortcoming requires higher to installation accuracy, and for portable simulator, adopt plastics die sinking accessory, can ensure installation accuracy, but serviceable life is shorter, durability is poor.If employing steel construction, then cost is higher.When another one shortcoming is steering wheel vibration (as direction face left kill or the right side is killed time) be easy to damage photoelectric encoder.
Existing scheme 4(electric motor type): the automobile driving simulator steering gear of a kind of force feedback and vibration, it comprises bearing circle, the first turning axle, the first gear, the second turning axle, the second gear, spacing swing handle, limited block, the first bar magnet, the second bar magnet, Hall angular transducer, wiring board, the 3rd gear, photoelectric encoder, the 3rd turning axle, the 4th gear, belt, the 5th gear, the 4th turning axle and motor.One end of first turning axle is socketed with bearing circle, the other end of the first turning axle is socketed with the 4th gear, the center of the first turning axle is socketed with the first gear, the right side of the first gear is provided with the second gear, first gear and the second gears meshing, second geared sleeve is connected on the second turning axle, the center of the second turning axle is socketed with spacing swing handle, the lower end of spacing swing handle is provided with limited block, the other end of the second turning axle is provided with the first bar magnet and the second bar magnet that are bonded together, the side of the first bar magnet and the second bar magnet is provided with wiring board, the center of wiring board is welded with Hall angular transducer, the left side of the first gear is provided with the 3rd gear, first gear and the 3rd gears meshing, 3rd geared sleeve is connected on one end of the 3rd turning axle, the other end of the 3rd turning axle is connected with photoelectric encoder, being connected with the 5th gear by belt of 4th gear, the center of the 5th gear is connected to the 4th turning axle, one end of 4th turning axle is provided with motor.Compared with scheme 3, adopt photoelectric encoder and Hall angular transducer to carry out measurement of angle, outer corner measurement precision is higher and can revise signal error problem when bearing circle vibrates well simultaneously.But it is comparatively complicated that the shortcoming of the program is structure, and cost is higher.
Relatively such scheme, although rear three scheme feels are better, cost is higher.Scheme 1 cost is lower, but rod-pulling type displacement transducer belongs to touch sensor, and the life-span is shorter.If so the rod-pulling type displacement transducer in scheme 1 is replaced by contactless linear hall sensor, then both reduce cost, extend again the serviceable life of sensor.
Summary of the invention
For the problems referred to above, the technical problems to be solved in the utility model be to provide a kind of reasonable in design, easy to operate, can realize steering gear spacing, return just with the pinion and-rack automobile driving simulator steering gear of outer corner measurement function.
Pinion and-rack automobile driving simulator steering gear of the present utility model, it comprises bearing circle, steering column, universal joint, gear, dust cover, tooth bar, nut, the first back-up ring, the first spring, the second spring, fork ear, support bar, lever iron bar, the first rivet, the second rivet, driving stem, the second back-up ring, the 3rd spring, directed sleeve pipe, bar magnet, linear hall sensor, direction indicators cover is connected on steering column one end, steering column other end universal-joint, universal joint connects gear, wheel and rack engages, gear and tooth bar are arranged in dust cover, tooth bar is longer, one end of tooth bar is socketed the first spring, be socketed the first back-up ring again, nut screws in tooth bar and pushes down the first back-up ring, the other end of tooth bar is socketed the second spring, fork ear screws in tooth bar and pushes down the second spring, support bar penetrates and is welded on fork ear, lever iron bar is fixed on automobile driving simulator brandreth by the first rivet, lever iron bar one end pressing support bar, a strip opening is cut out in the other end center of lever iron bar, one end of driving stem is stuck in the strip opening part of lever iron bar by the second rivet, driving stem is inserted in the second back-up ring, then being socketed the 3rd spring penetrates in directed sleeve pipe again, the driving stem other end is stained with bar magnet, linear hall sensor is in by bar magnet, and make bar magnet be in the side of linear hall sensor, bar magnet does not contact with linear hall sensor.
Principle of the present utility model is:
Because bearing circle is connected to gear by steering column and universal joint, gear engages with tooth bar again, define gear & rack structure, so the rotary motion of bearing circle can be converted into the rectilinear motion of tooth bar, the rectilinear motion of tooth bar also can be converted into the rotary motion of bearing circle.
(1) when in the equilibrium position, effect Xia Cong center of external force, (or counterclockwise) rotates bearing circle clockwise, tooth bar (or left) rectilinear motion also to the right under the driving of gear, because the left end of tooth bar has the first back-up ring and nut to stop the first spring, right-hand member has fork ear to stop the second spring, the first spring (or second spring) be enclosed within tooth bar is compressed, now being produced elastic force by the spring compressed acts on tooth bar, this elastic force acted on tooth bar also acts on gear, gear is made to be subject to counterclockwise the turning moment in (or clockwise) direction, if effect external force is on the steering wheel removed, this moment makes steering wheel return to equilibrium position, center by universal joint and steering column, achieve the return function of steering gear.(2) when bearing circle clockwise in the equilibrium position, effect Xia Cong center of external force (or counterclockwise) rotates, tooth bar (or left) rectilinear motion also to the right under the driving of gear, the first spring (or second spring) be enclosed within tooth bar is compressed, when continuing clockwise (or counterclockwise) steering wheel rotation, tooth bar continues to the right (or left) rectilinear motion, it is larger that the compressed shape variable of spring also becomes, when spring is compressed to the limit, tooth bar cannot (or left) rectilinear motion more to the right, make bearing circle also cannot continue clockwise (or counterclockwise) have rotated, thus achieve the limit function of bearing circle.(3) when bearing circle clockwise in the equilibrium position, effect Xia Cong center of external force (or counterclockwise) rotates, tooth bar (or left) rectilinear motion also to the right under the driving of gear, be screwed in fork ear on tooth bar and be welded on support bar on fork ear also with tooth bar (or left) rectilinear motion to the right, one end that support bar promotes lever iron bar rotates around the first rivet, make also rectilinear motion to occur by the second rivet interlacement at the driving stem of the lever iron bar other end, also there is rectilinear motion (displacement of motion is relevant with the angle of rotating of steering wheel) in the bar magnet be bonded on driving stem, the magnetic field at linear hall sensor place is changed, the change of linear hall sensor induced field, its voltage volt value exported also changes, intensity of variation is relevant with the angle of rotating of steering wheel, by detecting the voltage signal that linear hall sensor exports, rotating of steering wheel angle can be obtained, achieve the function that steering wheel angle is measured.
In physical construction, the effect of directed sleeve pipe is that driving stem can only be moved along a straight line, in physical construction, the 3rd spring is compressed all the time, its elastic force acts on driving stem by the second back-up ring, the elastic force of the 3rd spring acts on lever iron bar by the second rivet by driving stem, because the stiffness factor of the 3rd spring is much smaller than the first spring and the second spring, so its elastic force is not enough to promote tooth bar motion, but lever iron bar and support bar can be ensured all the time together with close contact.
The utility model has following beneficial effect:
1, it can realize completely steering gear spacing, return just with outer corner measurement function.
2, this device is based on gear & rack structure, steering gear spacing, return and just realize all on this structure with outer corner measurement function, make that structure is simple, production cost is comparatively cheap.
3, two symmetrical spring travel direction dishes are used just to return, power sense symmetry bearing circle being turned left and turns right.
4, adopt contactless linear hall sensor to carry out outer corner measurement, therefore sensor cost low, not do not connect between sensor and physical construction, so there is no wearing and tearing, serviceable life is longer.
Accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model;
In figure:
Bearing circle 1, steering column 2, universal joint 3, gear 4, dust cover 5, tooth bar 6, nut 7, first back-up ring 8, first spring 9, second spring 10, fork ear 11, support bar 12, lever iron bar 13, first rivet 14, second rivet 15, driving stem 16, second back-up ring 17, the 3rd spring 18, directed sleeve pipe 19, bar magnet 20, linear hall sensor 21.
Embodiment:
As shown in Figure 1, this embodiment is by the following technical solutions: it comprises bearing circle 1, steering column 2, universal joint 3, gear 4, dust cover 5, tooth bar 6, nut 7, first back-up ring 8, first spring 9, second spring 10, fork ear 11, support bar 12, lever iron bar 13, first rivet 14, second rivet 15, driving stem 16, second back-up ring 17, the 3rd spring 18, directed sleeve pipe 19, bar magnet 20, linear hall sensor 21, and direction indicators cover 1 is connected on steering column 2 one end, steering column 2 other end universal-joint 3, universal joint 3 connects gear 4, gear 4 engages with tooth bar 6, gear 4 and tooth bar 6 are arranged in dust cover 5, tooth bar 6 is longer, one end of tooth bar 6 is socketed the first spring 9, be socketed the first back-up ring 8 again, nut 7 screws in tooth bar 6 and pushes down the first back-up ring 8, the other end of tooth bar 6 is socketed the second spring 10, fork ear 11 screws in tooth bar 6 and pushes down the second spring 10, support bar 12 penetrates and is welded on fork ear 11, lever iron bar 13 is fixed on automobile driving simulator brandreth by the first rivet 14, lever iron bar 13 one end pressing support bar 12, a strip opening is cut out in the other end center of lever iron bar 13, one end of driving stem 16 is stuck in the strip opening part of lever iron bar 13 by the second rivet 15, driving stem 16 is inserted in the second back-up ring 17, then being socketed the 3rd spring 18 penetrates in directed sleeve pipe 19 again, driving stem 16 other end is stained with bar magnet 20, it is other that linear hall sensor 21 is in bar magnet 20, and make bar magnet 20 be in the side of linear hall sensor 21, bar magnet 20 does not contact with linear hall sensor 21.
This embodiment adopts gear & rack structure, be rectilinear motion by the convert rotational motion of bearing circle, tooth bar use two symmetrical spring travel direction dishes just return, bearing circle is turned left and the power sense that turns right symmetrical, feel is better, achieves the return function of steering gear; Utilize the compression limit of spring to limit as the range of movement of tooth bar simultaneously, also just limit the slewing area of bearing circle, achieve the limit function of steering gear; Adopt lever principle to make the linear motion range of tooth bar (8 ~ 10cm) convert about 2.5cm to, re-use bar magnet and linear hall sensor carries out displacement measurement, achieve the outer corner measurement function of steering gear.This device is based on gear & rack structure, make steering gear spacing, return just realize all on this structure with outer corner measurement function, make that structure is simple, comparatively cheap, the contactless linear hall sensor of production cost carries out outer corner measurement, therefore sensor cost low, not do not connect between sensor and physical construction, serviceable life is longer.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. pinion and-rack automobile driving simulator steering gear, is characterized in that it comprises bearing circle, steering column, universal joint, gear, dust cover, tooth bar, nut, the first back-up ring, the first spring, the second spring, fork ear, support bar, lever iron bar, the first rivet, the second rivet, driving stem, the second back-up ring, the 3rd spring, directed sleeve pipe, bar magnet, linear hall sensor, direction indicators cover is connected on steering column one end, steering column other end universal-joint, universal joint connects gear, wheel and rack engages, gear and tooth bar are arranged in dust cover, one end of tooth bar is socketed the first spring, be socketed the first back-up ring again, nut screws in tooth bar and pushes down the first back-up ring, the other end of tooth bar is socketed the second spring, fork ear screws in tooth bar and pushes down the second spring, support bar penetrates and is welded on fork ear, lever iron bar is fixed on automobile driving simulator brandreth by the first rivet, lever iron bar one end pressing support bar, a strip opening is cut out in the other end center of lever iron bar, one end of driving stem is stuck in the strip opening part of lever iron bar by the second rivet, driving stem is inserted in the second back-up ring, then being socketed the 3rd spring penetrates in directed sleeve pipe again, the driving stem other end is stained with bar magnet, linear hall sensor is in by bar magnet, and make bar magnet be in the side of linear hall sensor, bar magnet does not contact with linear hall sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520879731.8U CN205158698U (en) | 2015-11-06 | 2015-11-06 | Rack and pinion formula automobile driving simulator turns to device |
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| CN201520879731.8U CN205158698U (en) | 2015-11-06 | 2015-11-06 | Rack and pinion formula automobile driving simulator turns to device |
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| CN205158698U true CN205158698U (en) | 2016-04-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591053A (en) * | 2017-10-18 | 2018-01-16 | 吉林大学 | A kind of steering feel simulation and climb displacement device applied to driving simulator |
| CN107784891A (en) * | 2017-12-13 | 2018-03-09 | 吉林大学 | A kind of steering feel simulation and corner measuring apparatus for driving simulation system |
| CN110346150A (en) * | 2019-08-05 | 2019-10-18 | 浙江颢屹汽车技术有限公司 | A kind of steering wheel with limiting structure of car model |
| CN110849257A (en) * | 2019-11-27 | 2020-02-28 | Oppo广东移动通信有限公司 | Electronic equipment and folding angle detection method |
-
2015
- 2015-11-06 CN CN201520879731.8U patent/CN205158698U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591053A (en) * | 2017-10-18 | 2018-01-16 | 吉林大学 | A kind of steering feel simulation and climb displacement device applied to driving simulator |
| CN107784891A (en) * | 2017-12-13 | 2018-03-09 | 吉林大学 | A kind of steering feel simulation and corner measuring apparatus for driving simulation system |
| CN110346150A (en) * | 2019-08-05 | 2019-10-18 | 浙江颢屹汽车技术有限公司 | A kind of steering wheel with limiting structure of car model |
| CN110849257A (en) * | 2019-11-27 | 2020-02-28 | Oppo广东移动通信有限公司 | Electronic equipment and folding angle detection method |
| CN110849257B (en) * | 2019-11-27 | 2022-04-01 | Oppo广东移动通信有限公司 | Electronic equipment and folding angle detection method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220208 Address after: 325106 No. 388, Xinjian South Road, qiaoxia Town, Yongjia County, Wenzhou City, Zhejiang Province (in Zhejiang Tianxiong Digital Technology Co., Ltd.) Patentee after: Wenzhou QiaoLi Teaching Instrument Co.,Ltd. Address before: 330046 No. 299 Hongdu North Avenue, Qingshanhu District, Nanchang City, Jiangxi Province Room 1419, building 14, Mingdu, Jinyu (14th floor) Patentee before: NANCHANG MONI SOFTWARE Co.,Ltd. |
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| TR01 | Transfer of patent right |