CN103063446A - Double front axle vehicle steering axle side-slipping detecting device - Google Patents

Double front axle vehicle steering axle side-slipping detecting device Download PDF

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Publication number
CN103063446A
CN103063446A CN2012105827331A CN201210582733A CN103063446A CN 103063446 A CN103063446 A CN 103063446A CN 2012105827331 A CN2012105827331 A CN 2012105827331A CN 201210582733 A CN201210582733 A CN 201210582733A CN 103063446 A CN103063446 A CN 103063446A
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CN
China
Prior art keywords
coupking shaft
fixed
cover plate
slide
rod
Prior art date
Application number
CN2012105827331A
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Chinese (zh)
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CN103063446B (en
Inventor
敬天龙
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深圳市安车检测股份有限公司
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Priority to CN201210582733.1A priority Critical patent/CN103063446B/en
Publication of CN103063446A publication Critical patent/CN103063446A/en
Application granted granted Critical
Publication of CN103063446B publication Critical patent/CN103063446B/en

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Abstract

The invention relates to a double front axle vehicle steering axle side-slipping detecting device. The device comprises a rack and slipping tables. The rack is a framework-shaped structure. Two ends of the rack are respectively provided with an optoelectronic switch. The slipping table is divided into a front one and a back one. The two slipping tables are respectively arranged in the rack. A plurality of slipping mechanisms are arranged below each slipping table. A middle cover plate is arranged on the middle of the front slipping table and the back slipping table. A lever mechanism is arranged on the lower portion of the middle cover plate. A displacement sensor is arranged below the middle cover plate. A signal transmission device can be used for transmitting signals of the displacement sensor to a control circuit and a circumscribed appliance. An oscillating bar is arranged below the middle cover plate. The oscillating bar is connected with a spring. The spring is also fixed on a tension spring fixing seat. The tension spring fixing seat is fixed on a support plate. The above structure is used by the double front axle vehicle steering axle side-slipping detecting device. The slipping mechanism is matched with the displacement sensor to detect the sideslip of the wheels so that the vehicle steering axle side-slip can be detected effectively and accurately. The traffic accidents that are because the wheel location is not very good can be reduced. The traffic safety can be guaranteed.

Description

Two propons vehicle steer axle sideslip pick-up units
Technical field
The present invention relates to vehicle equipment, say exactly the measuring equipment for the body of a motor car inclination angle.
Background technology
Fast development along with the Modern Traffic forwarding business, increasing of construction project, long recoverable amount apart from the large-tonnage car also significantly increases, for the superduty automobile, when designing, gas must consider its axle load restriction, make it structurally can meet the requirement of Modern road traffic method, the most easy method changes front axle into twin shaft by single shaft exactly, therefore, output and the sales volume of two front axle automobiles increase considerably, because the increase of the steering axle of this automobile, give the installation of steering mechanism, adjust and keep in repair and brought huge difficulty with work, the problem that in use occurs has simultaneously also increased thereupon, automobile is after long-time the use, because the wearing and tearing in the steering between each accessory, flexural deformation and loosened screw, so that front, the direction that rear steering axle steer motor turns to is inconsistent, will be subject to when wheel rolls on the ground a ground to the horizontal force perpendicular to vehicle traveling direction, skid force namely, make vehicle produce lateral sliding, the inordinate wear aggravation of tire also may cause because of Rig up error the problems referred to above when new car appears on the scene.
The lateral sliding of vehicle is one of the most basic security performance of vehicle, vehicle in the process of moving, its technology status and usability will degenerate gradually along with the increase of mileage number, dynamic property occurring descends, the economy variation, safety and reliability reduces, badly influence the performance of economic benefit and the conevying efficiency of automobile, even can threaten life security, this just requires in advance fault to be found out and eliminated, in the automobile use procedure, its running status is judged, and take the measure that responds, and reliability and the security that just can greatly improve automobile, what finally want is that safety to human pilot provides reliable guarantee.Yet, up to the present, in the corresponding detection of vehicle, only have wheel alignment and location detecting apparatus, can not detect accordingly wheel installs, adjust and maintenance job correct equipment whether, the shortage means that slippage detects to side direction have had a strong impact on the normal maintenance work of automobile.
Summary of the invention
Therefore, for addressing the above problem, the purpose of this invention is to provide a kind of pair of propons vehicle steer axle sideslip pick-up unit, this device can be realized being fit to various and detect, and can detect accurately the handicapped equipment of automobile fast, guarantee that vehicle has best control stability, reduce because traffic safety is guaranteed in the not good traffic hazard that causes of wheel alignment.
Another object of the present invention is to provide a kind of pair of propons vehicle steer axle sideslip pick-up unit, this device can be judged wheel lateral sliding situation timely and accurately, reduces the abnormal tyre wearing and tearing, guarantees the normal use of tire, improve the serviceable life of tire, reduce user's economic loss.
For achieving the above object, the scheme that the present invention takes is as follows.
A kind of pair of propons vehicle steer axle sideslip pick-up unit is characterized in that this device includes frame, slide unit, frame and is frame-shaped structure, and the two ends of frame are respectively arranged with optoelectronic switch, and optoelectronic switch is connected in the control circuit, with the motion of control slide unit; Slide unit is divided into former and later two, be arranged at respectively in the frame, the below of slide unit is provided with a plurality of slide mechanisms, the centre of former and later two slide units is provided with cover plate, the bottom of cover plate is provided with leverage, the below of cover plate also is provided with displacement transducer, displacement transducer is fixed in the below of cover plate by back up pad, back up pad crosses out from the end below of cover plate, be provided with the sensor holder on it, on the sensor holder displacement transducer is set, described displacement transducer also is connected with apparatus for transmitting signal, and apparatus for transmitting signal is transferred to control circuit or external equipment with the signal of displacement transducer; Described cover plate below also is provided with a fork, described fork is connected on the fork coupking shaft, the fork coupking shaft then is fixed on the swing rod, swing rod is fixed on again on the back up pad, be fixed with a return block on the fork, an end of return block is held by displacement transducer, and fork connects an extension spring, extension spring is fixed in again on the extension spring holder, and the extension spring holder then is fixed on the back up pad; The present invention adopts said structure, cooperates displacement transducer to carry out the detection of wheel lateral sliding by slide mechanism, can detect efficiently and accurately vehicle steer axle and break away, and reduces because traffic safety is guaranteed in the not good traffic hazard that causes of wheel alignment.
Described slide mechanism mainly includes upper slide, lower skateboard, ball and small rack, upper slide is fixed on the slide unit below, lower skateboard is then by the small rack fixed support, the centre of upper slide, lower skateboard arranges ball, so that slide unit is moved, by ball can make slide unit carry out before and after and about motion, to detect the laterally offset of wheel.
Be provided with ball retainer between the described slide mechanism, ball retainer connects ball, with the position between the maintenance ball, and with the ball constraint within the specific limits.
The bottom of described upper slide is provided with upper padding plate, to keep distance and the intensity of upper slide, lower skateboard, reduces ball to the wearing and tearing of upper slide, lower skateboard; Lower skateboard top is provided with guide holder, is equiped with rolling bearing in the guide holder, and the top of rolling bearing is provided with the axis of guide, cooperates the motion of ball by rolling bearing and the axis of guide, and guide effect is played in the motion of ball.
Described leverage, have front leverage and rear leverage, front leverage includes front rod, front rod coupking shaft and short web joint, and front rod is arranged on the front rod coupking shaft, the front rod coupking shaft then is fixed on the short web joint, and short web joint is fixed on the below of cover plate; Rear leverage includes back link, back link coupking shaft and long web joint, and back link is arranged on the back link coupking shaft, and the back link coupking shaft then is fixed on the long web joint, and long web joint is fixed on the below of cover plate; The centre of described front rod coupking shaft and back link coupling shaft is provided with the coupking shaft group, and front rod and back link are connected to the two ends of coupking shaft group; And the direct of travel of front rod and back link and vehicle is the angle less than 30 °.
Further, described coupking shaft group includes the upper coupking shaft at two ends, lower coupking shaft, crank, crank axle, and crank is fixed on the back up pad by crank axle, the two ends of crank arrange respectively coupking shaft, lower coupking shaft, and upper coupking shaft, lower coupking shaft are connected with back link with front rod respectively.
One end of described crank further stretches out, and forms handle, and the bottom of handle is provided with the stop bolt, and the stop bolt is fixed on the stop-motion seat, and the outer setting limited location cover of stop-motion seat by the displacement of stop collar restriction stop bolt, reaches the purpose of control action.
Described front rod coupking shaft and back link coupking shaft, its below is provided with adjusting pad, to adjust the upper-lower position of front rod coupking shaft and back link coupking shaft.
One end outside surface of described cover plate is fixed with screw, and screw protrudes from cover plate, to carry out spacing to wheel.
The present invention adopts the slide unit bottom that tourelle and displacement transducer are housed, be provided with guide piece on the tourelle when being subject to side force, two sideskids, two side shiftings to the left and right under the effect of guide piece, fore-and-aft direction can not move, the displacement of each slide unit lateral slip passes to displacement transducer by leverage, sensor passes to optoelectronic switch and control circuit to signal by apparatus for transmitting signal.
What the present invention adopted is that the meta-between centers of wheel detects simultaneously, can carry out the single-wheel independent detection, slide unit is divided into the front and rear part, make checkout equipment be divided into front measurement mechanism and rear measurement mechanism, can make so rear measurement mechanism be responsible for detection and localization, front measurement mechanism is responsible for adapting to different automobile types, and it is various to detect vehicle, stability is high, good reproducibility.
Description of drawings
Fig. 1 is side view of the invention process.
Fig. 2 is upward view of the invention process.
Fig. 3 is the cut-open view of A-A part shown in Figure 1.
Fig. 4 is the cut-open view of B-B part shown in Figure 1.
Among the figure, 1 is frame, and 2 is the limit cover plate, and 3 is optoelectronic switch, 4 is front slide unit, and 5 is upper slide, and 6 is upper padding plate, and 7 is ball retainer, 8 is lower skateboard, and 9 is guide holder, and 10 is back up pad, and 11 is foot bolt, 12 are short web joint, and 13 is rear slide unit, and 14 for adjusting plate, and 15 is swing rod, 16 is screw, and 17 is the return block, and 18 is the fork coupking shaft, 19 is the front rod coupking shaft, and 20 are long web joint, and 21 is back link, 22 is the back link coupking shaft, and 23 is front rod, and 24 is cover plate, 25 is displacement transducer, and 26 is the sensor holder, and 27 is the coupking shaft group, 28 is upper coupking shaft, and 29 is lower coupking shaft, and 30 are the extension spring holder, 31 are extension spring, and 32 is fork, and 33 is fixed head, 34 is ball, and 35 is pitman shaft, and 36 is crank, 37 is crank axle, and 38 is rolling bearing, and 39 is handle, 40 are the stop bolt, and 41 is stop-motion seat, and 42 is stop collar, 43 is rolling bearing, and 44 is the axis of guide, and 45 is apparatus for transmitting signal.
Embodiment
Shown in accompanying drawing, implementation of the present invention is elaborated.
As shown in Figure 1 and Figure 2, what the present invention realized is a kind of pair of propons vehicle steer axle sideslip pick-up unit, and this device mainly includes frame 1, slide unit (4,13), leverage, tourelle, guide piece, locking system, displacement transducer and apparatus for transmitting signal.
Wherein, frame 1 is frame-shaped structure, and the bottom of frame 1 has the fixed head 33 of horizontally set, to strengthen the structure of frame 1.The two ends of frame 1 are respectively arranged with optoelectronic switch 3, and optoelectronic switch 3 is connected in the control circuit, and with the motion of control slide unit, optoelectronic switch 3 is covered by limit cover plate 2, so that optoelectronic switch 3 is protected.
The bottom of frame 1 is provided with foot bolt 11, by foot bolt 11 frame 1 is fixed.
Slide unit is divided into former and later two, is respectively front slide unit 4 and rear slide unit 13, and front slide unit 4 and rear slide unit 13 all are arranged in the frame, are provided with a plurality of slide mechanisms below slide unit.Specifically, slide mechanism mainly includes upper slide 5, lower skateboard 8, ball 34 and small rack 10, upper slide 5 is fixed on slide unit 4 belows, 8 of lower skateboards are by small rack 10 fixed supports, the centre of upper slide 5, lower skateboard 8 arranges ball 34, so that slide unit moved, by ball 34 can make slide unit carry out before and after and about motion, to detect the laterally offset of wheel.
Further, in conjunction with shown in Figure 4, upper slide 5 belows are provided with upper padding plate 6, to keep distance and the intensity of upper slide, lower skateboard, reduce ball to the wearing and tearing of upper slide 5, lower skateboard 8; Lower skateboard 8 tops are provided with guide holder 9, be equiped with rolling bearing 43 in the guide holder 9, the top of rolling bearing 43 is provided with the axis of guide 44, rolling bearing 43 and the axis of guide 44 consist of guide piece, cooperate the motion of balls 34 by rolling bearing 43 and the axis of guide 44, and guide effect is played in the motion of ball 34.
Be provided with ball retainer 7 between a plurality of balls 34, ball retainer 7 connects ball 34, with the position between the maintenance ball 34, and with ball 34 constraints within the specific limits.
The centre of front slide unit 4 and 13 two slide units of rear slide unit is provided with cover plate 24, the bottom of cover plate 24 is provided with leverage, described leverage, have front leverage and rear leverage, front leverage includes front rod 23, front rod coupking shaft 19 and short web joint 12, front rod 23 is arranged on the front rod coupking shaft 19, and 19 of front rod coupking shafts are fixed on the short web joint 12, and short web joint 12 is fixed on the below of cover plate 24; Rear leverage includes back link 21, back link coupking shaft 22 and long web joint 20, and back link 21 is arranged on the back link coupking shaft 22, and 22 of back link coupking shafts are fixed on the long web joint 20, and long web joint 20 is fixed on the below of cover plate 24.
In conjunction with shown in Figure 3, the centre of front rod coupking shaft 19 and back link coupling shaft 22 is provided with coupking shaft group 27, and front rod 23 and back link 21 are connected to the two ends of coupking shaft group 27; And the direct of travel of front rod 23 and back link 21 and vehicle is the angle less than 30 °, so that carry out the detection of vehicle lateral sliding.
Further, coupking shaft group 27 includes upper coupking shaft 28, the lower coupking shaft 29 at two ends, crank 36, crank axle 37, crank 36 is fixed on the back up pad 10 by crank axle 37, the two ends of crank 36 arrange respectively coupking shaft 28, lower coupking shaft 29, and upper coupking shaft 28, lower coupking shaft 29 are connected with back link by pitman shaft 35 and front rod 23 respectively and are connected.
And, have rolling bearing 38 in the crank axle 37, by rolling bearing 38 connecting cranks 36; One end of crank 36 further stretches out, and forms handle 39, and the bottom of handle 39 is provided with stop bolt 40, stop bolt 40 is fixed on the stop-motion seat 41, and the outer setting limited location of stop-motion seat 41 cover 42 by the displacement of stop collar 42 restriction stop bolts 41, reaches the purpose of control action.
Below front rod coupking shaft 19 and back link coupking shaft 22, be provided with adjusting pad 14, to adjust the upper-lower position of front rod coupking shaft 19 and back link coupking shaft 22.
The below of cover plate 24 also is provided with displacement transducer 25, displacement transducer 25 is fixed in the below of cover plate 24 by back up pad 10, back up pad 10 crosses out from the end below of cover plate 24, be provided with sensor holder 26 on it, displacement transducer 25 is set on the sensor holder 26, described displacement transducer 25 also is connected with apparatus for transmitting signal 45, and apparatus for transmitting signal 45 is transferred to control circuit or external equipment with the signal of displacement transducer 25.
Cover plate 24 belows also are provided with a fork 32, described fork 32 is connected on the fork coupking shaft 18, fork coupking shaft 18 then is fixed on the swing rod 15, swing rod 15 is fixed on again on the back up pad 10, fork 32 tops are fixed with a return block 17, and an end of return block 17 is held by displacement transducer 25; Fork 32 connects an extension spring 31, and extension spring 31 is fixed in again on the extension spring holder 30, and extension spring holder 30 then is fixed on the back up pad 10.
End outside surface in cover plate 24 is fixed with screw 16, and screw 16 protrudes from cover plate 24, to carry out spacing to wheel.
In a word, what the present invention adopted is that the meta-between centers of wheel detects simultaneously, can carry out the single-wheel independent detection, slide unit is divided into the front and rear part, makes checkout equipment be divided into front measurement mechanism and rear measurement mechanism, can make so rear measurement mechanism be responsible for detection and localization, front measurement mechanism is responsible for adapting to different automobile types, the detection vehicle is various, and stability is high, good reproducibility.
In a word, the above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. two propons vehicle steer axle sideslip pick-up unit is characterized in that this device includes frame, slide unit, frame and is frame-shaped structure, and the two ends of frame are respectively arranged with optoelectronic switch, and optoelectronic switch is connected in the control circuit, with the motion of control slide unit; Slide unit is divided into former and later two, be arranged at respectively in the frame, the below of slide unit is provided with a plurality of slide mechanisms, the centre of former and later two slide units is provided with cover plate, the bottom of cover plate is provided with leverage, the below of cover plate also is provided with displacement transducer, displacement transducer is fixed in the below of cover plate by back up pad, back up pad crosses out from the end below of cover plate, be provided with the sensor holder on it, on the sensor holder displacement transducer is set, described displacement transducer also is connected with apparatus for transmitting signal, and apparatus for transmitting signal is transferred to control circuit or external equipment with the signal of displacement transducer; Described cover plate below also is provided with a fork, described fork is connected on the fork coupking shaft, the fork coupking shaft then is fixed on the swing rod, swing rod is fixed on again on the back up pad, be fixed with a return block on the fork, an end of return block is held by displacement transducer, and fork connects an extension spring, extension spring is fixed in again on the extension spring holder, and the extension spring holder then is fixed on the back up pad.
2. as claimed in claim 1 pair of propons vehicle steer axle sideslip pick-up unit, it is characterized in that described slide mechanism mainly includes upper slide, lower skateboard, ball and small rack, upper slide is fixed on the slide unit below, lower skateboard is then by the small rack fixed support, and the centre of upper slide, lower skateboard arranges ball.
3. as claimed in claim 2 pair of propons vehicle steer axle sideslip pick-up unit is characterized in that being provided with ball retainer between the described slide mechanism, and ball retainer connects ball, with the position between the maintenance ball, and with the ball constraint within the specific limits.
4. as claimed in claim 2 pair of propons vehicle steer axle sideslip pick-up unit is characterized in that the bottom of described upper slide is provided with upper padding plate; Lower skateboard top is provided with guide holder, is equiped with rolling bearing in the guide holder, and the top of rolling bearing is provided with the axis of guide.
5. as claimed in claim 1 pair of propons vehicle steer axle sideslip pick-up unit, it is characterized in that described leverage, have front leverage and rear leverage, front leverage includes front rod, front rod coupking shaft and short web joint, front rod is arranged on the front rod coupking shaft, the front rod coupking shaft then is fixed on the short web joint, and short web joint is fixed on the below of cover plate; Rear leverage includes back link, back link coupking shaft and long web joint, and back link is arranged on the back link coupking shaft, and the back link coupking shaft then is fixed on the long web joint, and long web joint is fixed on the below of cover plate; The centre of described front rod coupking shaft and back link coupling shaft is provided with the coupking shaft group, and front rod and back link are connected to the two ends of coupking shaft group; And the direct of travel of front rod and back link and vehicle is the angle less than 30 °.
6. as claimed in claim 5 pair of propons vehicle steer axle sideslip pick-up unit, it is characterized in that further, described coupking shaft group includes the upper coupking shaft at two ends, lower coupking shaft, crank, crank axle, crank is fixed on the back up pad by crank axle, the two ends of crank arrange respectively coupking shaft, lower coupking shaft, and upper coupking shaft, lower coupking shaft are connected with back link with front rod respectively.
7. as claimed in claim 6 pair of propons vehicle steer axle sideslip pick-up unit, an end that it is characterized in that described crank further stretches out, and forms handle, and the bottom of handle is provided with the stop bolt, the stop bolt is fixed on the stop-motion seat, and the outer setting limited location cover of stop-motion seat.
8. as claimed in claim 5 pair of propons vehicle steer axle sideslip pick-up unit is characterized in that described front rod coupking shaft and back link coupking shaft, and its below is provided with adjusting pad.
9. as claimed in claim 1 pair of propons vehicle steer axle sideslip pick-up unit is characterized in that an end outside surface of described cover plate is fixed with screw, and screw protrudes from cover plate, to carry out spacing to wheel.
CN201210582733.1A 2012-12-28 2012-12-28 Double front axle vehicle steering axle side-slipping detecting device CN103063446B (en)

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CN201210582733.1A CN103063446B (en) 2012-12-28 2012-12-28 Double front axle vehicle steering axle side-slipping detecting device

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Application Number Priority Date Filing Date Title
CN201210582733.1A CN103063446B (en) 2012-12-28 2012-12-28 Double front axle vehicle steering axle side-slipping detecting device

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CN103063446B CN103063446B (en) 2015-05-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931018A (en) * 2015-06-26 2015-09-23 上海砺晟光电技术有限公司 One-dimensional inclination noncontact measurement method and one-dimensional inclination noncontact measurement system based on absolute distance measurement
CN105021409A (en) * 2015-08-03 2015-11-04 山东科大微机应用研究所有限公司 Double-slide-plate double-steering-axle automobile sideslip test table and automobile sideslip test method
CN105091858A (en) * 2015-08-02 2015-11-25 上海砺晟光电技术有限公司 Two-dimension inclination angle non-contact measurement method and system based on absolute distance measurement
CN109520742A (en) * 2018-09-03 2019-03-26 中国汽车工程研究院股份有限公司 A kind of operating circuit for heavy-duty car tandem axle testing stand

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931018A (en) * 2015-06-26 2015-09-23 上海砺晟光电技术有限公司 One-dimensional inclination noncontact measurement method and one-dimensional inclination noncontact measurement system based on absolute distance measurement
CN105091858A (en) * 2015-08-02 2015-11-25 上海砺晟光电技术有限公司 Two-dimension inclination angle non-contact measurement method and system based on absolute distance measurement
CN105021409A (en) * 2015-08-03 2015-11-04 山东科大微机应用研究所有限公司 Double-slide-plate double-steering-axle automobile sideslip test table and automobile sideslip test method
CN105021409B (en) * 2015-08-03 2017-09-19 山东科大微机应用研究所有限公司 A kind of pair of slide plate Double steering bridge skid method of inspection
CN109520742A (en) * 2018-09-03 2019-03-26 中国汽车工程研究院股份有限公司 A kind of operating circuit for heavy-duty car tandem axle testing stand

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