CN105136033A - Device for detecting wheel hopping amount - Google Patents
Device for detecting wheel hopping amount Download PDFInfo
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- CN105136033A CN105136033A CN201510577262.9A CN201510577262A CN105136033A CN 105136033 A CN105136033 A CN 105136033A CN 201510577262 A CN201510577262 A CN 201510577262A CN 105136033 A CN105136033 A CN 105136033A
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Abstract
The invention belongs to the field of wheel hopping detection and specifically discloses a device for detecting a wheel hopping amount. The device comprises a base and a motor. An output end of the motor is coaxially connected with the base. A wheel is rotationally arranged on the base. The device is characterized in that the device further comprises a controller, an alarm, a support and a first detection unit. The detection unit comprises a first infrared emitter and a first infrared receiver. The first infrared emitter and the first infrared receiver are respectively fixed on the support and are electrically connected with the controller. Compared with a conventional wheel hopping amount detection device, whether the hopping amount of the wheel accords with requirements is not determined by reading a dial gauge after each time of test, and whether the hopping amount of the wheel accords with the requirements can be determined by whether the alarm gives an alarm, so that the operation is simple.
Description
Technical field
The invention belongs to wheel hop detection field, particularly relate to a kind of pick-up unit for wheel hop amount.
Background technology
In automobile making, control wheel hop amount mainly in order to from geometrically controlling tire workmanship, jerk value is divided into diameter run-out and axial runout two kinds of situations.Wherein, diameter run-out has the greatest impact, and is directly involved in driving comfort.Diameter run-out exceedes certain numerical value, and during running car, vibration is just large, and comfortableness is just poor.So wheel after finalization of the manufacture, all needs to carry out wheel hop detection.Specify in QC717-2004, the radial beat eccentricity of passenger car wheel must be less than 0.8mm, and axial runout amount must be less than 1.0mm, and the radial beat eccentricity of commercial vehicle wheel must be less than 1.5mm, and axial runout amount must be less than 1.7mm.Jerk value exceedes this standard and is unacceptable product.
The existing pick-up unit for wheel hop amount mainly comprises motor, base, clock gauge and dial holder, being arranged on base of vehicle wheel rotation, and is rotated by power wheel.Clock gauge is then fixed on dial holder, and is used as the jerk value measuring wheel.But the accuracy of measurement of clock gauge is not high, easily causes maloperation.Meanwhile, all need to read to the reading of clock gauge and then determine whether the jerk value of wheel meets the requirements, troublesome poeration after each measurement.
So, be badly in need of a kind of pick-up unit for wheel hop amount simple to operate.
Summary of the invention
Object of the present invention is providing a kind of pick-up unit for wheel hop amount simple to operate.
In order to achieve the above object, base case of the present invention is: for the pick-up unit of wheel hop amount, comprise base, motor, the output terminal of described motor is coaxially connected with base, wherein, also comprise controller, alarm, support and the first detecting unit, described first detecting unit comprises the first infrared transmitter and the first infrared receiver, described first infrared transmitter, first infrared receiver to be all fixed on support and to be electrically connected with controller, the infrared ray that described first infrared transmitter is launched to be positioned at directly over wheel or immediately below, radial parallel with wheel, and be 0.8mm or 1.5mm with the minimum distance of wheel, described alarm and controller are electrically connected.
The minimum distance of the infrared ray that the first infrared transmitter as herein described is launched and wheel refers to the distance between infrared ray and upper and lower two end faces of wheel.The minimum distance of the infrared ray that the second infrared transmitter as herein described is launched and wheel refers to the distance between infrared ray and left and right two faces of wheel.
The principle of this base case is: first, is coaxially arranged on base by wheel.Then, infrared transmitter is opened and starter motor, driven by motor vehicle wheel rotation.Rotate five minutes, if the first infrared receiver can receive the signal of the first infrared transmitter, then illustrate that radial beat eccentricity meets national standard, namely the jerk value of wheel is qualified.When the first infrared receiver cannot receive the signal of the first infrared transmitter, then illustrate that radial beat eccentricity does not meet national standard, namely the jerk value of wheel is defective, and now infrared receiver then sends signal to controller, and controller then controls alarm equipment alarm.
The beneficial effect of this base case is: when the minimum distance of the infrared ray that the first infrared transmitter is launched and wheel is 0.8mm, be applicable to passenger car wheel, when the minimum distance of the infrared ray that the first infrared transmitter is launched and wheel is 1.5mm, be applicable to commercial vehicle wheel.Compared with traditional wheel hop amount detecting device, this programme carries out reading to determine whether the jerk value of wheel meets the requirements to clock gauge at every turn after testing again, only need see whether the alarm jerk value can determining wheel of whether reporting to the police meets the requirements, simple to operate.
Scheme two: based on this, scheme is preferred, also comprise the second detecting unit, described second detecting unit comprises the second infrared ray and the second infrared receiver, the infrared ray that described second infrared transmitter is launched is positioned at left side or the right side of wheel, radial parallel with wheel, and the minimum distance of distance wheel is 1.0mm or 1.7mm, described second infrared transmitter, the second infrared receiver and controller are electrically connected.Second detecting unit is mainly used in the axial runout amount of testing wheel, easy to operate.
Scheme three: based on this, scheme is preferred, the quantity of described first detecting unit is two, is separately positioned on the upper and lower both sides of wheel.The measurement of two the first detecting units is more accurate, avoids the jerk value in wheel radial direction direction excessive, and the too small and problem that do not detect of another direction jerk value.
Scheme four: this is the preferred of scheme two, the quantity of described second detecting unit is two, is separately positioned on the arranged on left and right sides of wheel.The measurement of two the second detecting units is more accurate, avoid axletree to the jerk value in a direction excessive, and the too small and problem that do not detect of another direction jerk value.
Scheme five: either a program preferred in scheme to scheme four based on this, described controller is PLC.PLC is simple to operate, and editability is strong.
Scheme six: this is the preferred of scheme five, described alarm is audible-visual annunciator.Audible-visual annunciator can remind operating personnel, the better effects if of prompting from vision and the sense of hearing two aspect.
Scheme seven: this is the preferred of scheme five, described motor is servomotor, and motor and PLC are electrically connected.Relative to common electric machine, servomotor can accept pulse model, and controllability is strong.When the jerk value recording wheel does not meet national requirements, controller can stop servomotor immediately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the pick-up unit embodiment 1 of wheel hop amount;
Fig. 2 is the structural representation of Fig. 1 medium-height trestle.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: support 10, first infrared transmitter 20, first infrared receiver 21, second infrared transmitter 30, second infrared transmitter 31, base 40, servomotor 50, baffle ring 51, wheel 60.
Embodiment 1
As shown in Figure 1 and Figure 2, for the pick-up unit of wheel 60 jerk value, comprise base 40, servomotor 50, support 10, PLC, the first detecting unit and the second detecting unit.Base 40 is provided with rolling bearing, and the output terminal of servomotor 50, through wheel 60, is arranged on rolling bearing, and is fixed by baffle ring 51.
First detecting unit comprises the first infrared transmitter 20 and the first infrared receiver 21, the model of the first infrared transmitter 20, first infrared receiver 21 is L3IR4-45, and the installation of both equal levels over the mount 10 and be electrically connected with PLC, the described infrared ray of the first infrared transmitter 20 transmitting and the radial parallel of wheel 60, and be 0.8mm with the minimum distance of wheel 60, the model of alarm is the audible-visual annunciator of lte-1101, it is arranged on position obvious in factory, and is electrically connected with PLC.The quantity of the first detecting unit is two, is arranged on the upper and lower both sides of wheel 60 respectively.
Second detecting unit comprises the second infrared ray and the second infrared receiver, and the model of the second infrared transmitter 3130, second infrared receiver is L3IR4-45, and is installed on support 10, and is electrically connected with PLC.The infrared ray of the second infrared transmitter 3130 transmitting and the radial parallel of wheel 60, and the minimum distance of distance wheel 60 is 1.0mm.The quantity of the second detecting unit is two, is arranged on the arranged on left and right sides of measurement respectively.
During specific works, first, the wheel of passenger car is coaxially arranged on base.Then, infrared transmitter is opened and starter motor, driven by motor vehicle wheel rotation.Rotate five minutes, if the first infrared receiver can receive the signal of the first infrared transmitter, then illustrate that radial beat eccentricity meets national standard, namely the jerk value of wheel is qualified.When the first infrared receiver cannot receive the signal of the first infrared transmitter, then illustrate that radial beat eccentricity does not meet national standard, namely the jerk value of wheel is defective, and now infrared receiver then sends signal to controller, and controller then controls alarm equipment alarm.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: the distance adjusting the first infrared transmitter 20, first infrared receiver 21, and the infrared ray that the first infrared transmitter 20 is launched and the minimum distance of wheel 60 are 1.0mm; The distance of adjustment adjustment second infrared transmitter 30, second infrared receiver 31, the infrared ray that the second infrared transmitter 30 is launched and the minimum distance of wheel 60 are 1.7mm.After adjustment, namely this equipment can be used for the jerk value detecting commercial vehicle wheel.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that, for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made, such as, the distance of adjustable first infrared transmitter, the first infrared receiver, the second infrared transmitter, the second infrared receiver, the result making it record is higher than the requirement of country.These also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in instructions etc. record the content that may be used for explaining claim.
Claims (7)
1. for the pick-up unit of wheel hop amount, comprise base, motor, the output terminal of described motor is coaxially connected with base, it is characterized in that, also comprise controller, alarm, support and the first detecting unit, described first detecting unit comprises the first infrared transmitter and the first infrared receiver, described first infrared transmitter, first infrared receiver to be all fixed on support and to be electrically connected with controller, the infrared ray that described first infrared transmitter is launched to be positioned at directly over wheel or immediately below, radial parallel with wheel, and be 0.8mm or 1.5mm with the minimum distance of wheel, described alarm and controller are electrically connected.
2. as claimed in claim 1 for the pick-up unit of wheel hop amount, it is characterized in that, also comprise the second detecting unit, described second detecting unit comprises the second infrared ray and the second infrared receiver, the infrared ray that described second infrared transmitter is launched is positioned at left side or the right side of wheel, radial parallel with wheel, and the minimum distance of distance wheel is 1.0mm or 1.7mm, described second infrared transmitter, the second infrared receiver and controller are electrically connected.
3., as claimed in claim 1 for the pick-up unit of wheel hop amount, it is characterized in that, the quantity of described first detecting unit is two, is separately positioned on the upper and lower both sides of wheel.
4., as claimed in claim 2 for the pick-up unit of wheel hop amount, it is characterized in that, the quantity of described second detecting unit is two, is separately positioned on the arranged on left and right sides of wheel.
5. the pick-up unit for wheel hop amount as described in any one of claim 1-4, is characterized in that, described controller is PLC.
6., as claimed in claim 5 for the pick-up unit of wheel hop amount, it is characterized in that, described alarm is audible-visual annunciator.
7., as claimed in claim 5 for the pick-up unit of wheel hop amount, it is characterized in that, described motor is servomotor, and motor and PLC are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577262.9A CN105136033A (en) | 2015-09-11 | 2015-09-11 | Device for detecting wheel hopping amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577262.9A CN105136033A (en) | 2015-09-11 | 2015-09-11 | Device for detecting wheel hopping amount |
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| Publication Number | Publication Date |
|---|---|
| CN105136033A true CN105136033A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510577262.9A Pending CN105136033A (en) | 2015-09-11 | 2015-09-11 | Device for detecting wheel hopping amount |
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| CN (1) | CN105136033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764840A (en) * | 2019-02-27 | 2019-05-17 | 中信戴卡股份有限公司 | A kind of Vehicular hub bounce testing machine verifying simulation wheel hub and verification method |
-
2015
- 2015-09-11 CN CN201510577262.9A patent/CN105136033A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764840A (en) * | 2019-02-27 | 2019-05-17 | 中信戴卡股份有限公司 | A kind of Vehicular hub bounce testing machine verifying simulation wheel hub and verification method |
| CN109764840B (en) * | 2019-02-27 | 2024-01-30 | 中信戴卡股份有限公司 | Simulation hub for verifying motor vehicle hub runout testing machine and verification method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |