CN104251780A - Four-wheel dynamic positioning axle distance measuring device - Google Patents
Four-wheel dynamic positioning axle distance measuring device Download PDFInfo
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- CN104251780A CN104251780A CN201410385480.8A CN201410385480A CN104251780A CN 104251780 A CN104251780 A CN 104251780A CN 201410385480 A CN201410385480 A CN 201410385480A CN 104251780 A CN104251780 A CN 104251780A
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- wheel
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- actuated
- positioning table
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Abstract
The invention relates to the field of an automobile detection device, and aims at providing a four-wheel dynamic positioning axle distance measuring device. The four-wheel dynamic positioning axle distance measuring device comprises two wheel passages provided with support frames, wherein one wheel passage is provided with a fixed wheel positioning table and a following wheel positioning table, and the other wheel passage is provided with two following wheel positioning tables, three measuring assemblies and four wheel driving assemblies; each of the three measuring assemblies is respectively opposite to one corresponding following wheel positioning table and is connected with the corresponding support frame, one wheel driving assembly is fixedly connected with the fixed wheel positioning table, and each of other three wheel driving assemblies is respectively connected with one following wheel positioning table. The four-wheel dynamic positioning axle distance measuring device has the advantages that the dynamic positions of four wheel axles can be positioned, in addition, the four-wheel axle distance can be measured, and the measuring precision is higher.
Description
Technical field
The present invention relates to automobile detection apparatus field, especially a kind of four-wheel Kinematic Positioning wheelbase measuring device.
Background technology
For ensureing that automobile does not occur sideslip and turns to good in straight-line travelling process, there is not the bad phenomenon such as sideslip, improve control stability and the directional stability of automobile, reduce tire wear amount, need to position the dynamic position of four-wheel wheel shaft and measure wheelbase, for adjustment provides authentic data; Chinese Patent Application No.: the utility model of 00221216.1 discloses a kind of Wheel centre distance measuring device, this device is made up of two measuring units, and each unit is connected with four force snesor by four steel balls by pedal.It is lower to there is measuring accuracy in this Wheel centre distance measuring device, can not position the dynamic position of four-wheel wheel shaft and measure four wheel bases
Deficiency, therefore, design and a kind ofly can position the dynamic position of four-wheel wheel shaft and four wheel bases be measured, and the four-wheel Kinematic Positioning wheelbase measuring device that measuring accuracy is higher, become problem demanding prompt solution.
Summary of the invention
The object of the invention is to overcome current Wheel centre distance measuring device that to there is measuring accuracy lower, can not position the dynamic position of four-wheel wheel shaft and the deficiency that four wheel bases are measured, there is provided a kind of can position the dynamic position of four-wheel wheel shaft and measure four wheel bases, and the four-wheel Kinematic Positioning wheelbase measuring device that measuring accuracy is higher.
Concrete technical scheme of the present invention is:
A kind of four-wheel Kinematic Positioning wheelbase measuring device, comprise two and establish standoff wheel, the fixing vehicle wheel positioning table that one Ge Lun road is provided with and a servo-actuated wheel positioning table, another takes turns two the servo-actuated wheel positioning tables be provided with, three respectively relative with servo-actuated wheel positioning table and measurement components that are that be connected with support, four wheel driving assemblies; A wheel driving assembly is connected with fixing vehicle wheel positioning table; Another three wheel driving assemblies are respectively connected with a servo-actuated wheel positioning table.When this four-wheel Kinematic Positioning wheelbase measuring device uses, the wheel of the automobile both sides detected is needed to open Shang Lianggelun road respectively, a wheel is positioned on the wheel driving assembly on fixing vehicle wheel positioning table, and another three wheels are each positioned on the wheel driving assembly on a servo-actuated wheel positioning table; Start wheel driving assembly and respectively drive a vehicle wheel rotation, position and the wheel of three wheel driving assemblies be respectively connected with a servo-actuated wheel positioning table adapt and respectively drive a servo-actuated location of servo-actuated seat, measure the displacement of each servo-actuated seat and record wheelbase by calculating by measurement components.This four-wheel Kinematic Positioning wheelbase measuring device can position the dynamic position of four-wheel wheel shaft and measure four wheel bases, and measuring accuracy is higher.
As preferably, described servo-actuated wheel positioning table comprises the servo-actuated seat that lower end is provided with two jointed shafts, upper end is provided with the base that several support the ball of servo-actuated seat, two one end are respectively provided with a kayser axle and each pivoted arm hinged with a jointed shaft, two engage each other and the sector gear be respectively connected with the other end of a pivoted arm, the actuating arm that one end is connected with one end of a pivoted arm, the first unlock cylinder that and the other end of cylinder bar and actuating arm hinged with base is hinged, upper surface is provided with taper type locking hole and the installing plate be connected with chassis outer side, the second unlock cylinder be connected with servo-actuated seat, lower end is provided with the taper type locking head that mates with taper type locking hole and the check lock lever that is connected with the cylinder bar of the second unlock cylinder of upper end, two limiting cylinders be connected with installing plate respectively, two limit shafts be respectively connected with the cylinder bar of a limiting cylinder, two Limit screws and two nuts, servo-actuated seat is provided with two diameters and is greater than the through hole of Limit screw diameter and the spacing hole relative with two limit shafts, the width of spacing hole is greater than the diameter of limit shaft, the length of spacing hole be greater than two limit shafts mutually laterally between distance, one end of the screw rod of two Limit screws is respectively connected with a nut thread with installing plate through a through hole, base is provided with horizontal location-plate, one side of horizontal location-plate is provided with the isosceles trapezoid projection that small end is positioned at outside, horizontal location-plate is provided with two and lays respectively at isosceles trapezoid projection both sides and the latch groove that mates with kayser axle of width.Servo-actuated wheel positioning table locking and convenient for unlocking; Two limit shafts coordinate with spacing hole and define the servo-actuated scope of servo-actuated seat level; Two Limit screws had both ensured that servo-actuated seat level was flexibly servo-actuated, limited again moving upward of servo-actuated seat.
As preferably, the underframe that described fixing vehicle wheel positioning table comprises stationary platen and is connected with stationary platen.Fixing vehicle wheel positioning table is simple and practical.
As preferably, described wheel driving assembly comprises the supporting base being provided with two side plates, be provided with motor and each motorized pulleys with a side plate pivot joint in two ends and be arrangeding in parallel with motorized pulleys and each follower rollers with a side plate pivot joint in two ends, be positioned at the brake cylinder that motorized pulleys are connected with below follower rollers and with servo-actuated seat or stationary platen, the brake shoes be connected between motorized pulleys and follower rollers and with the cylinder bar of brake cylinder.Wheel driving assembly structure is simple, and it is convenient to drive, and brake shoes is checked when motorized pulleys and follower rollers make automotive wheel open or open lower whorl road non-slip.
As preferably, described measurement components comprises the sounding rod displacement transducer relative with servo-actuated seat, pushes down displacement transducer and the clips be connected with support for two.Displacement sensor accurately and be convenient to the calculating wheelbase easy to connect with controller.
As preferably, described taper type locking hole comprises the upper taper type hole that the lower taper type hole of mating with check lock lever and small end are connected with the large end in lower taper type hole; The cone angle in upper taper type hole is greater than the cone angle in lower taper type hole.Upper taper type hole is beneficial to check lock lever and inserts the locking of lower taper type hole.
As preferably, described servo-actuated wheel positioning table also comprises the link be connected with the first unlock cylinder, two photoelectric sensors be connected with link, the detection block be connected with one end of a pivoted arm.The first unlock cylinder can be detected by photoelectric sensor and detection block to unlock and locking situation.
Compared with prior art, the invention has the beneficial effects as follows: this four-wheel Kinematic Positioning wheelbase measuring device can position the dynamic position of four-wheel wheel shaft and measure four wheel bases, and measuring accuracy is higher.Servo-actuated wheel positioning table locking and convenient for unlocking; Two limit shafts coordinate with spacing hole and define the servo-actuated scope of servo-actuated seat level; Two Limit screws had both ensured that servo-actuated seat level was flexibly servo-actuated, limited again moving upward of servo-actuated seat.Fixing vehicle wheel positioning table is simple and practical.Wheel driving assembly structure is simple, and it is convenient to drive, and brake shoes is checked when motorized pulleys and follower rollers make automotive wheel open or open lower whorl road non-slip.Displacement sensor accurately and be convenient to the calculating wheelbase easy to connect with controller.Upper taper type hole is beneficial to check lock lever and inserts the locking of lower taper type hole.The first unlock cylinder can be detected by photoelectric sensor and detection block to unlock and locking situation.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of servo-actuated wheel positioning table, wheel driving assembly;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 is the B-B cut-open view of Fig. 2.
In figure: displacement transducer-1, clips-2, wheel road-3, support-31, fixing vehicle wheel positioning table-4, stationary platen-41, underframe-42, servo-actuated wheel positioning table-5, jointed shaft-51, servo-actuated seat-52, ball-53, base-54, kayser axle-55, pivoted arm-56, sector gear-57, actuating arm-58, first unlock cylinder-59, installing plate-510, second unlock cylinder-511, taper type locking head-512, check lock lever-513, limiting cylinder-514, limit shaft-515, Limit screw-516, nut-517, link-518, photoelectric sensor-519, detect block-520, through hole-521, spacing hole-522, horizontal location-plate-523, isosceles trapezoid projection-524, latch groove-525, lower taper type hole-526, upper taper type hole-527, wheel driving assembly-6, side plate-61, supporting base-62, motorized pulleys-63, follower rollers-64, brake cylinder-65, brake shoes-66.
Embodiment
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4: a kind of four-wheel Kinematic Positioning wheelbase measuring device, comprise the wheel road 3 that two are provided with support 31, the fixing vehicle wheel positioning table 4 that one Ge Lun road 3 is provided with and a servo-actuated wheel positioning table 5, another takes turns the servo-actuated wheel positioning table 5 of 3 two of being provided with, three respectively relative with servo-actuated wheel positioning table 5 and measurement components that are that be connected with support 31, four wheel driving assemblies 6; A wheel driving assembly 6 is connected with fixing vehicle wheel positioning table 4; Another three wheel driving assemblies 6 are respectively connected with a servo-actuated wheel positioning table 5.
Described servo-actuated wheel positioning table 5 comprises the servo-actuated seat 52 that lower end is provided with two jointed shafts 51, upper end is provided with the base 54 that four support the ball 53 of servo-actuated seat 52, two one end are respectively provided with a kayser axle 55 and each with the pivoted arm 56 of a jointed shaft 51 by bearing hinge connection, two engage each other and the sector gear 57 be respectively connected with the other end screw of a pivoted arm 56, one end forms with one end one of a pivoted arm 56 actuating arm 58 be connected, and first unlock cylinder 59 that the other end of cylinder bar and actuating arm 58 hinged hinged with base 54, upper surface is provided with taper type locking hole and the installing plate 510 be connected with screw outside base 54, the second unlock cylinder 511 be connected with servo-actuated seat 52 screw, lower end is provided with the taper type locking head 512 that mates with taper type locking hole and the check lock lever 513 that is threaded with the cylinder bar of the second unlock cylinder 511 of upper end, two limiting cylinders 514 be connected with installing plate 510 screw respectively, two limit shafts 515 be respectively threaded with the cylinder bar of a limiting cylinder 514, two Limit screws 516, two nuts 517, the link 518 be connected with the first unlock cylinder 59, two photoelectric sensors 519 be connected with link 518, the detection block 520 be connected with one end of a pivoted arm 56, servo-actuated seat 52 is provided with two diameters and is greater than the through hole 521 of Limit screw 516 diameter and the spacing hole 522 relative with two limit shafts 515, the width of spacing hole 522 is greater than the diameter of limit shaft 515, the length of spacing hole 522 be greater than two limit shaft 515 phases laterally between distance, one end of the screw rod of two Limit screws 516 is respectively threaded with a nut 517 through a through hole 521 and installing plate 510, base 54 is provided with horizontal location-plate 523, one side of horizontal location-plate 523 is provided with the isosceles trapezoid projection 524 that small end is positioned at outside, horizontal location-plate 523 is provided with two and lays respectively at isosceles trapezoid projection 524 both sides and the latch groove 525 of width and kayser axle 55 clearance fit.Described taper type locking hole comprises the upper taper type hole 527 that the lower taper type hole 526 of mating with check lock lever 513 and small end are connected with the large end in lower taper type hole 526; The cone angle in upper taper type hole 527 is greater than the cone angle in lower taper type hole 526.
The underframe 42 that described fixing vehicle wheel positioning table 4 comprises stationary platen 41 and is connected with stationary platen 41 screw.
In the present embodiment, described wheel driving assembly 6 comprises the supporting base 62 being provided with two side plates 61, be provided with motor and two ends each with a side plate 61 by the motorized pulleys 63 of bearing hinge joint with to be arranged in parallel with motorized pulleys 63 and two ends are each with the follower rollers 64 of a side plate 61 by bearing hinge joint, be positioned at the brake cylinder 65 that motorized pulleys 63 are connected with below follower rollers 64 and with servo-actuated seat 52 or stationary platen 41 screw, the brake shoes 66 be threaded between motorized pulleys 63 and follower rollers 64 and with the cylinder bar of brake cylinder 65; The material of brake shoes 66 is rubber.
Described measurement components comprises the sounding rod displacement transducer relative with servo-actuated seat 52 1, two and pushes down displacement transducer 1 and the clips 2 be connected with support 31 screw.
When this four-wheel Kinematic Positioning wheelbase measuring device uses, the wheel of the automobile both sides detected is needed to open Shang Lianggelun road 3 respectively, wheel is positioned on motorized pulleys 63 on fixing vehicle wheel positioning table 4 and follower rollers 64, on the motorized pulleys 63 on everybody servo-actuated wheel positioning table 5 of another three wheels and follower rollers 64; The cylinder bar of two limiting cylinders 514 promotes two limit shafts 515 and stretches in spacing hole 522, first unlock cylinder 59 pulls actuating arm 58 to drive a pivoted arm 56 to rotate, a kayser axle 55 is made to depart from latch groove 525, drive another pivoted arm 56 to rotate by two sector gears 57 simultaneously, make another kayser axle 55 depart from latch groove 525; Second unlock cylinder 511 pulls check lock lever 513 to depart from taper type locking hole; Starting four motorized pulleys 63 respectively drives a wheel and a follower rollers 64 to rotate, the position of motorized pulleys 63 and follower rollers 64 and wheel adapt and drive the servo-actuated servo-actuated location of seat 52, measure the displacement of each servo-actuated seat 52 and record wheelbase by calculating by displacement transducer 1; Measure and terminate, the cylinder bar of two limiting cylinders 514 pulls two limit shafts 515 to reset, first unlock cylinder 59 promotes actuating arm 58 and drives a pivoted arm 56 to rotate, make a kayser axle 55 snap in latch groove 525 to lock, drive another pivoted arm 56 to rotate by two sector gears 57 simultaneously, make another kayser axle 55 snap in latch groove 525 and lock; Second unlock cylinder 511 promotes check lock lever 513 and inserts the locking of taper type locking hole.
The invention has the beneficial effects as follows: this four-wheel Kinematic Positioning wheelbase measuring device can position the dynamic position of four-wheel wheel shaft and measure four wheel bases, and measuring accuracy is higher.Servo-actuated wheel positioning table locking and convenient for unlocking; Two limit shafts coordinate with spacing hole and define the servo-actuated scope of servo-actuated seat level; Two Limit screws had both ensured that servo-actuated seat level was flexibly servo-actuated, limited again moving upward of servo-actuated seat.Fixing vehicle wheel positioning table is simple and practical.Wheel driving assembly structure is simple, and it is convenient to drive, and brake shoes is checked when motorized pulleys and follower rollers make automotive wheel open or open lower whorl road non-slip.Displacement sensor accurately and be convenient to the calculating wheelbase easy to connect with controller.Upper taper type hole is beneficial to check lock lever and inserts the locking of lower taper type hole.The first unlock cylinder can be detected by photoelectric sensor and detection block to unlock and locking situation.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.All like this to the apparent amendment of the technician in described field, by be included in this claim scope within.
Claims (7)
1. a four-wheel Kinematic Positioning wheelbase measuring device, it is characterized in that: comprise two and establish standoff wheel, the fixing vehicle wheel positioning table that one Ge Lun road is provided with and a servo-actuated wheel positioning table, another takes turns two the servo-actuated wheel positioning tables be provided with, three respectively relative with servo-actuated wheel positioning table and measurement components that are that be connected with support, four wheel driving assemblies; A wheel driving assembly is connected with fixing vehicle wheel positioning table; Another three wheel driving assemblies are respectively connected with a servo-actuated wheel positioning table.
2. four-wheel Kinematic Positioning wheelbase measuring device according to claim 1, it is characterized in that: described servo-actuated wheel positioning table comprises the servo-actuated seat that lower end is provided with two jointed shafts, upper end is provided with the base that several support the ball of servo-actuated seat, two one end are respectively provided with a kayser axle and each pivoted arm hinged with a jointed shaft, two engage each other and the sector gear be respectively connected with the other end of a pivoted arm, the actuating arm that one end is connected with one end of a pivoted arm, the first unlock cylinder that and the other end of cylinder bar and actuating arm hinged with base is hinged, upper surface is provided with taper type locking hole and the installing plate be connected with chassis outer side, the second unlock cylinder be connected with servo-actuated seat, lower end is provided with the taper type locking head that mates with taper type locking hole and the check lock lever that is connected with the cylinder bar of the second unlock cylinder of upper end, two limiting cylinders be connected with installing plate respectively, two limit shafts be respectively connected with the cylinder bar of a limiting cylinder, two Limit screws and two nuts, servo-actuated seat is provided with two diameters and is greater than the through hole of Limit screw diameter and the spacing hole relative with two limit shafts, the width of spacing hole is greater than the diameter of limit shaft, the length of spacing hole be greater than two limit shafts mutually laterally between distance, one end of the screw rod of two Limit screws is respectively connected with a nut thread with installing plate through a through hole, base is provided with horizontal location-plate, one side of horizontal location-plate is provided with the isosceles trapezoid projection that small end is positioned at outside, horizontal location-plate is provided with two and lays respectively at isosceles trapezoid projection both sides and the latch groove that mates with kayser axle of width.
3. four-wheel Kinematic Positioning wheelbase measuring device according to claim 2, is characterized in that: the underframe that described fixing vehicle wheel positioning table comprises stationary platen and is connected with stationary platen.
4. four-wheel Kinematic Positioning wheelbase measuring device according to claim 3, it is characterized in that: described wheel driving assembly comprises the supporting base being provided with two side plates, be provided with motor and each motorized pulleys with a side plate pivot joint in two ends and be arrangeding in parallel with motorized pulleys and each follower rollers with a side plate pivot joint in two ends, be positioned at the brake cylinder that motorized pulleys are connected with below follower rollers and with servo-actuated seat or stationary platen, the brake shoes be connected between motorized pulleys and follower rollers and with the cylinder bar of brake cylinder.
5. the four-wheel Kinematic Positioning wheelbase measuring device according to Claims 2 or 3 or 4, is characterized in that: described measurement components comprises the sounding rod displacement transducer relative with servo-actuated seat, pushes down displacement transducer and the clips be connected with support for two.
6. the four-wheel Kinematic Positioning wheelbase measuring device according to Claims 2 or 3 or 4, is characterized in that: described taper type locking hole comprises the upper taper type hole that the lower taper type hole of mating with check lock lever and small end are connected with the large end in lower taper type hole; The cone angle in upper taper type hole is greater than the cone angle in lower taper type hole.
7. the four-wheel Kinematic Positioning wheelbase measuring device according to Claims 2 or 3 or 4, it is characterized in that: described servo-actuated wheel positioning table also comprises the link be connected with the first unlock cylinder, two photoelectric sensors be connected with link, the detection block be connected with one end of a pivoted arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385480.8A CN104251780B (en) | 2014-08-07 | 2014-08-07 | Four-wheel dynamically positions wheelbase measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385480.8A CN104251780B (en) | 2014-08-07 | 2014-08-07 | Four-wheel dynamically positions wheelbase measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104251780A true CN104251780A (en) | 2014-12-31 |
| CN104251780B CN104251780B (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385480.8A Expired - Fee Related CN104251780B (en) | 2014-08-07 | 2014-08-07 | Four-wheel dynamically positions wheelbase measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611574A (en) * | 2020-11-30 | 2021-04-06 | 重庆长安汽车股份有限公司 | Vehicle wheel base measuring method |
| CN113188502A (en) * | 2021-03-25 | 2021-07-30 | 南京路港汽车检测有限公司 | Automobile chassis clearance detection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689178Y (en) * | 2003-01-15 | 2005-03-30 | 四川工业学院 | Testing experimental table for vehicle braking performance |
| CN201063003Y (en) * | 2007-07-12 | 2008-05-21 | 长春市吉尔科技有限公司 | Calibrating apparatus of integral type vehicle mounted digital display type vehicle fourth wheel orientator |
| CN201281594Y (en) * | 2008-11-07 | 2009-07-29 | 张颖 | Wheelbase measuring device for rail vehicle bogie |
| CN101832865B (en) * | 2010-04-28 | 2011-12-14 | 吉林大学 | Association model testing device capable of adjusting wheel orientation angle and side slip distance |
| CN102279112A (en) * | 2011-06-27 | 2011-12-14 | 中国北车集团大连机车研究所有限公司 | Wheelbase adjusting device for entire locomotive test-bed of railway locomotive |
-
2014
- 2014-08-07 CN CN201410385480.8A patent/CN104251780B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611574A (en) * | 2020-11-30 | 2021-04-06 | 重庆长安汽车股份有限公司 | Vehicle wheel base measuring method |
| CN112611574B (en) * | 2020-11-30 | 2022-08-09 | 重庆长安汽车股份有限公司 | Vehicle wheel base measuring method |
| CN113188502A (en) * | 2021-03-25 | 2021-07-30 | 南京路港汽车检测有限公司 | Automobile chassis clearance detection system |
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| Publication number | Publication date |
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| CN104251780B (en) | 2016-10-05 |
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Granted publication date: 20161005 Termination date: 20170807 |