WO2008144983A1 - Règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique - Google Patents

Règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique Download PDF

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Publication number
WO2008144983A1
WO2008144983A1 PCT/CN2007/070072 CN2007070072W WO2008144983A1 WO 2008144983 A1 WO2008144983 A1 WO 2008144983A1 CN 2007070072 W CN2007070072 W CN 2007070072W WO 2008144983 A1 WO2008144983 A1 WO 2008144983A1
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WO
WIPO (PCT)
Prior art keywords
fixed
potentiometer
ruler
carbon brush
motor
Prior art date
Application number
PCT/CN2007/070072
Other languages
English (en)
Chinese (zh)
Inventor
Yunkui Zhang
Original Assignee
Yunkui Zhang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yunkui Zhang filed Critical Yunkui Zhang
Priority to PCT/CN2007/070072 priority Critical patent/WO2008144983A1/fr
Publication of WO2008144983A1 publication Critical patent/WO2008144983A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/14—Determining imbalance
    • G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
    • G01M1/22—Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables
    • G01M1/225—Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables for vehicle wheels

Definitions

  • the utility model relates to a tool for detecting wheel parameter measurement and a wheel unbalance point tracking indication tool for detecting wheel dynamic balance.
  • a Chinese utility model patent with the authorization bulletin number CN2888430Y and the authorization announcement date of April 11, 2007 discloses a "wheel dynamic balancing machine electronic ruler", which is a laser tube mounted on the electronic ruler head.
  • the laser tube can only be in the determined position when instructing, and the operator should rotate the wheel according to the prompt of the wheel balancer to make the imbalance point of the wheel coincide with the indicated laser point, and then use the brake.
  • the mechanism locks the wheel and then performs the operation of sticking the lead block. The operation is inconvenient, and the tracking indication function of the wheel unbalance point cannot be realized.
  • the purpose of the utility model is to provide a laser tracking and positioning wheel dynamic balancing machine electronic ruler, which can solve the problem that the existing electronic balancer of the wheel dynamic balancing machine cannot track the unbalanced point of the wheel.
  • the utility model comprises a ruler, an outer rod, an inner rod, a bracket, a linear resistance, a sliding rail, a carbon brush assembly, a rotating shaft, a sleeve and a potentiometer assembly; the sleeve is set on a rotating shaft, and the sleeve is sleeved Fixed on the bracket, the upper end of the rotating shaft is fixed to the lower end of the outer rod, the lower end of the rotating shaft is fixed to the potentiometer assembly, the inner wall of the outer rod is provided with a sliding rail, and the inner wall of the outer rod is fixed a linear resistor is disposed, and the rear end of the inner rod is mounted on the sliding rail and is fixed to the carbon brush assembly mounted in the inner cavity of the outer rod; the utility model further includes a photoelectric sensor; the ruler is fixed by a motor, a motor, a rotating head, a spot laser pointer, and a first top wire; the outer wall of the front end of the inner rod is fixed with a photoelectric sensor,
  • the utility model has the following beneficial effects: the utility model can realize the parameter measurement of the wheel dynamic balance and the tracking indication function of the unbalanced point.
  • Measurement function automatically measures the inside of the wheel rim The diameter of any point of the cone, and the A+ value corresponding to this point (distance of the dynamic balancer piezoelectric sensor to this point), the measured result is automatically input into the MCU for processing.
  • the tracking indication function of the unbalanced point is completed by the spot laser pointer and the break-in motor mounted on the ruler of the electronic ruler, and the position of the unbalanced point indicating the wheel is tracked by the spot projected by the spot laser pointer.
  • the unbalanced point of the wheel is indicated in real time, and the operator can easily find the unbalanced point of the wheel according to the spot without rotating and locking the wheel to find the unbalanced point of the wheel.
  • the utility model has an automatic measuring function, a real-time indicating function for the unbalanced point, and a positioning function for the position of the wheel spokes, and has a simple structure and convenient operation.
  • FIG. 1 is a front view of the overall structure of the present invention
  • FIG. 2 is a plan view of FIG. 1
  • FIG. 3 is a cross-sectional view taken along line AA of FIG. 1
  • FIG. 4 is an enlarged view of a portion B of FIG. 1
  • FIG. Figure 6 is a front view showing the diameter of the wheel rim by the present invention
  • Figure 7 is a plan view of Figure 6
  • Figure 8 is a schematic view of calculating the angle of rotation of the motor when the laser spot is in real time indication.
  • This embodiment is composed of a ruler 1, an outer rod 2, an inner rod 3, a bracket 4, a linear resistor 5, a slide rail 6, a carbon brush assembly 7, and a rotation.
  • the shaft 8 , the sleeve 9 , the potentiometer assembly 10 , and the photoelectric sensor 11 are formed; the sleeve 9 is sleeved on the rotating shaft 8 , and the sleeve 9 is fixed on the bracket 4 , and the upper end and the outer end of the rotating shaft 8
  • the lower end of the rod 2 is fixed, the lower end of the rotating shaft 8 is fixed to the potentiometer assembly 10, the inner wall of the outer rod 2 is provided with a sliding rail 6, and the inner wall of the outer rod 2 is fixed with a linear resistor 5,
  • the rear end of the inner rod 3 is mounted on the slide rail 6 and is fixed to the carbon brush assembly 7 mounted in the inner cavity of the outer rod 2;
  • the scale head 1 is composed of a motor mount 12, a motor 13 and a rotary head 14,
  • the spot laser pointer 15 and the first top wire 16 are formed; the outer wall of the front end of the inner rod 3 is fixed with a photoelectric sensor 11 , and the front end of the
  • the wire 16 is positioned on top of the first recess 17 of the photosensor 11 corresponds to the circumference. So, after the wheel balancer completes the measurement, the system calculates the position of the current wheel imbalance point, that is, the distance between the unbalanced point and the piezoelectric sensor, and the angle between the unbalanced point and the zero degree of the wheel balancer shaft, the system According to the angle of the unbalanced point, the motor signal is input, so that the angle of the rotating head is corresponding to the angle of the unbalanced point of the wheel, so that the laser projection point coincides with the unbalanced point.
  • the system calculates the position of the current wheel imbalance point, that is, the distance between the unbalanced point and the piezoelectric sensor, and the angle between the unbalanced point and the zero degree of the wheel balancer shaft, the system According to the angle of the unbalanced point, the motor signal is input, so that the angle of the rotating head is corresponding to the angle of the unbalanced point of the wheel
  • the wheel can be rotated, and the system will return to the position of the wheel unbalance point in real time, and at the same time give the motor signal so that the laser point can track the unbalanced point of the wheel, and the user finds convenience. Paste the lead block to complete the operation of pasting the lead block.
  • the rotating head is rotated by the twisting motor.
  • the zero angle of the rotating head refers to the angle of the spot laser pointer when the first top wire on the rotating head just passes the photoelectric sensor, and the angle of the system returning to the unbalanced point of the wheel, according to The geometric relationship in Figure 6 and Figure 8 calculates the angle at which the rotating head should rotate.
  • the system sends a corresponding signal to the motor (where: R is the wheel radius obtained when measuring the electronic ruler; u is measured by the electronic ruler The angle of the unbalance point; H is the distance between the center line of the inner rod and the center axis of the wheel), and the rotation angle of the rotary head can be obtained from these known quantities.
  • the spot laser pointer in this embodiment is controlled by Senxun Made by Electronic Technology Co., Ltd., model GLP301; Haojin Motor is manufactured by Beijing Ruiyabao Technology Development Co., Ltd., model number is 20BY20H01; photoelectric sensor is manufactured by Nanping Xuguang Electronic Technology Co., Ltd., model is ST150; linear resistance is from Jihua High-tech Manufactured by Technology Co., Ltd., model number LR300-102.
  • the present embodiment is described with reference to FIG. 1 and FIG. 4 .
  • the carbon brush assembly 7 of the present embodiment is composed of a carbon brush sleeve 18 and a carbon brush 19; the carbon brush sleeve 18 and the rear end surface of the inner rod 3 are fixed. Connected, the carbon brush cover 18 is provided with a carbon brush 19. Its structure is simple and easy to install. Other components and connection relationships are the same as in the first embodiment.
  • Embodiment 3 The present embodiment is described with reference to FIG. 1.
  • the potentiometer assembly 10 of the present embodiment is composed of a potentiometer 20, a potentiometer bushing 21, a potentiometer fixing plate 22, a second top wire 23, and a pin shaft 24;
  • the potentiometer bushing 21 is connected to the potentiometer 20 via a second top wire 23, the potentiometer 20 is fixed on the potentiometer fixing plate 22, and the lower end of the rotating shaft 8 is mounted on the groove of the potentiometer bushing 21.
  • the inside of the 25 is fixed to the potentiometer bushing 21 by the pin 24 .
  • the setting is such that the potentiometer sleeve 21 rotates on its own axis to drive the potentiometer 20 to rotate.
  • the potentiometer in this embodiment is manufactured by Taiwan Donggao Company and is model number RV24YN20S. Other compositions and connection relationships are the same as in the first embodiment.
  • the embodiment further adds a cross-line type laser tube 26; the cross-line type laser tube 26 is fixed on the inner wall of the outer rod 2. With this arrangement, the cross-hair laser tube 26 can emit horizontal and vertical cross laser lines.
  • the lead block is "divided into two" and is attached to the rear of the adjacent two wheel spokes to achieve the purpose of concealing the lead.
  • the laser line from the cross-hair laser tube can help locate the wheel spokes.
  • the lead block is required at the position of 12 o'clock (in the corresponding position of the clock pointer analog wheel), it can also be positioned by means of this laser line.
  • the cross-line type laser tube in the present embodiment is manufactured by Zhongshan Nuweisi Optoelectronic Technology Co., Ltd., and the model number is L005.
  • the electronic ruler of the present invention comprises two movement modes, one is longitudinal stretching; and the other is rotating around the outer shaft.
  • the inner rod can be freely pulled in the outer rod, and the outer rod is equipped with a linear resistance.
  • the linear resistance outputs a corresponding electric signal, and the position of the inner rod can be obtained therefrom.
  • the potentiometer is rotated, and the potentiometer outputs a corresponding electrical signal, and the angle at which the electronic scale rotates can be obtained.
  • the electronic slider can be pulled out and rotated to the measured point. At this time, the measured stretching distance and the angle of rotation and the positional relationship between the electronic ruler and the wheel rim can be calculated. The diameter of the wheel rim at the place.
  • the ruler When measuring the diameter of the wheel rim with an electronic ruler, the ruler is placed at a certain point where the diameter needs to be measured. At this time, the variables L, ⁇ and constant can be obtained according to the electric resistance of the linear resistance and the potentiometer output and the mounting position of the electronic ruler.
  • L is the distance between the axis of the rotating shaft and the tip of the ruler
  • ⁇ is the inner rod swinging from the initial position with the axis of rotation as the axis to the measuring point of the wheel rim Angle
  • ⁇ is the distance between the centerline of the inner rod and the center axis of the wheel.
  • the geometrical relationship can be used to calculate the value of the wheel rim diameter and the corresponding ⁇ + value (the dynamic balance machine piezoelectric sensor to this point) distance).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

L'invention concerne une règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique, comprenant une tête de règle (1), une barre externe (2), une barre interne (3), une ferrure (4), une résistance linéaire (5), un rail de glissement (6), un ensemble balai de carbone (7), un arbre rotatif (8), un manchon (9), un ensemble potentiomètre (10) et un capteur photoélectrique (11). La tête de règle (1) se compose d'une base de fixation de moteur (12), d'un moteur pas-à-pas (13), d'une tête de rotation (14), d'un indicateur laser à point optique (15) et d'une première vis de réglage (16). Le capteur photoélectrique (11) est fixé à la paroi externe de l'extrémité avant de la barre interne (3). L'extrémité avant de la barre interne (3) est fixée et connectée à l'extrémité arrière de la base de fixation de moteur (12). Le moteur pas-à-pas (13) est fixé sur la base de fixation de moteur (12). L'arbre de sortie d'entraînement du moteur pas-à-pas (13) est fixé et connecté à la tête de rotation (14) sur la base de fixation de moteur (12). L'indicateur laser à point optique (15) et la première vis de réglage (16) sont fixés sur la tête de rotation. La première vis de réglage (16) est disposée sur la circonférence correspondant à la rainure (17) du capteur photoélectrique (11).
PCT/CN2007/070072 2007-06-01 2007-06-01 Règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique WO2008144983A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/070072 WO2008144983A1 (fr) 2007-06-01 2007-06-01 Règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/070072 WO2008144983A1 (fr) 2007-06-01 2007-06-01 Règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique

Publications (1)

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WO2008144983A1 true WO2008144983A1 (fr) 2008-12-04

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Application Number Title Priority Date Filing Date
PCT/CN2007/070072 WO2008144983A1 (fr) 2007-06-01 2007-06-01 Règle mobile électronique destinée à des applications de positionnement par laser dans une machine à équilibrer dynamique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109186861A (zh) * 2018-11-13 2019-01-11 哈尔滨朗格科技开发有限公司 用于车轮动平衡机上的车轮动不平衡点相位跟踪装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2156495Y (zh) * 1992-09-29 1994-02-16 黄东烁 车轮平衡测试仪
US5915274A (en) * 1996-06-21 1999-06-22 Hunter Engineering Company Method of correcting imbalance on a motor vehicle wheel
CN1624419A (zh) * 2003-09-04 2005-06-08 施耐宝仪器股份有限公司 用于光学扫描车轮的方法和装置
CN2888430Y (zh) * 2006-05-15 2007-04-11 张云奎 车轮动平衡机电子拉尺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2156495Y (zh) * 1992-09-29 1994-02-16 黄东烁 车轮平衡测试仪
US5915274A (en) * 1996-06-21 1999-06-22 Hunter Engineering Company Method of correcting imbalance on a motor vehicle wheel
CN1624419A (zh) * 2003-09-04 2005-06-08 施耐宝仪器股份有限公司 用于光学扫描车轮的方法和装置
CN2888430Y (zh) * 2006-05-15 2007-04-11 张云奎 车轮动平衡机电子拉尺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109186861A (zh) * 2018-11-13 2019-01-11 哈尔滨朗格科技开发有限公司 用于车轮动平衡机上的车轮动不平衡点相位跟踪装置
CN109186861B (zh) * 2018-11-13 2023-09-12 哈尔滨朗格科技开发有限公司 用于车轮动平衡机上的车轮动不平衡点相位跟踪装置

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