CN106610332A - Balancing machine for detecting electric vehicle wheels and method for detecting unbalance mass in dynamic and static balance using same - Google Patents
Balancing machine for detecting electric vehicle wheels and method for detecting unbalance mass in dynamic and static balance using same Download PDFInfo
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- CN106610332A CN106610332A CN201710147331.1A CN201710147331A CN106610332A CN 106610332 A CN106610332 A CN 106610332A CN 201710147331 A CN201710147331 A CN 201710147331A CN 106610332 A CN106610332 A CN 106610332A
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- wheel
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- 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
- G01M1/12—Static balancing; Determining position of centre of gravity
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- 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 unbalance
- G01M1/16—Determining unbalance by oscillating or rotating the body to be tested
- G01M1/22—Determining unbalance by oscillating or rotating the body to be tested and converting vibrations due to unbalance into electric variables
- G01M1/225—Determining unbalance by oscillating or rotating the body to be tested and converting vibrations due to unbalance into electric variables for vehicle wheels
Abstract
A balancing machine for detecting electric vehicle wheels and a method for detecting unbalance mass in dynamic and static balance using the same belong to the field of dynamic and static balance detection of electric vehicle wheels. The problem that there is no balancing machine for detecting the dynamic and static balance of a whole electric vehicle wheel is solved. The static balance of an electric vehicle wheel is detected through support mechanisms and a Hall sensor in a to-be-detected wheel. On the basis of static balance detection, a potentiometer stent, a potentiometer and a dot laser are added to detect the dynamic balance of the electric vehicle wheel. The balancing machine for detecting electric vehicle wheels of the invention can be used to detect the dynamic and static balance of electric vehicle wheels, and is simple in structure and easy to operate. The balancing machine and the method are mainly used to detect the dynamic and static balance of electric vehicle wheels.
Description
Technical field
The invention belongs to the dynamic and static balance detection field of Electricmotor car wheel.
Background technology
The dynamic balancing product of automotive wheel is very ripe and also has corresponding national standard, but the wheel of electric motor car is also
Without special balancing machine.The wheel of electric motor car can only do dynamic and static balance before dispatching from the factory to the motor part of Electricmotor car wheel, and
Dynamic and static balance detection is not integrally done to Electricmotor car wheel, if in use amount of unbalance is larger for Electricmotor car wheel
Words, can affect safety and the comfortableness of electric motor car user.
The content of the invention
The present invention is to solve asking for the existing balancing machine that dynamic and static balance detection is not integrally done to Electricmotor car wheel
Topic, the invention provides the balancing machine of a kind of detection Electricmotor car wheel and using uneven in the dynamic and static balance of balance machine testing
The method of quality.
The balancing machine of detection Electricmotor car wheel, it includes base, processor, controller, display and two supporting mechanisms；
Two supporting mechanisms, processor and controllers are each attached on base, and two supporting mechanisms are oppositely arranged, place
Reason device and controller are encapsulated in casing, and display is fixed in casing；
Two supporting mechanisms support respectively the main shaft two ends of wheel to be detected, are additionally operable to detect wheel to be detected left and right two
Individual side is applied to the dynamic pressure on the supporting mechanism that it is connected, and the dynamic pressure for detecting is uploaded to into processor,
Processor, for receiving wheel to be detected in Hall element output phase signal, be additionally operable to by control
Device drives the motor in wheel to be detected to rotate,
Processor is processed the dynamic pressure and phase signal of reception, and result is shown by display
Show.
Each supporting mechanism includes sheath, vibration rocker and piezoelectric transducer, and sheath is enclosed within outside vibration rocker, vibrates rocker
Top be provided with draw-in groove, the draw-in groove is used to lift the main shaft of wheel to be detected, and draw-in groove is exposed outside sheath,
Vibration rocker is that hollow type vibrates rocker,
Piezoelectric transducer is squeezed in the hollow part of vibration rocker, and according to the deformation of vibration rocker, detection vibration rocker institute
The dynamic pressure born.
Each supporting mechanism also includes potentiometer support, potentiometer and point type laser instrument；
Described potentiometer support, potentiometer and point type laser instrument are respectively positioned in sheath, and potentiometer support is fixed on vibration
Rocker front surface, potentiometer is fixed on the lower surface of potentiometer support, and the rotary shaft of potentiometer is fixed with point type laser instrument and connected
Connect；
Open slot is offered on sheath, the laser that point type laser instrument sends is projected from open slot.
Using the method for unbalance mass in the balance machine testing static balance of described detection Electricmotor car wheel, the detection is quiet
The method of unbalance mass comprises the steps in balance：
Step A1：The main shaft two ends of wheel to be detected are separately fixed on two supporting mechanisms, make wheel to be detected with
Two supporting mechanisms are parallel to each other,
Step A2：The motor of wheel to be measured is driven to rotate by controller, after vehicle wheel rotational speed to be detected is stable, two pressures
Electric transducer according to the deformation of its vibration rocker being located, detects that the vibration rocker that each piezoelectric transducer is located is born respectively
Dynamic pressure, the dynamic pressure for detecting is uploaded to into processor, at the same by wheel to be detected Hall element detection phase
Position signal is uploaded to processor, and the phase signal is converted into angular velocity omega by processor,
Step A3：Processor is processed the dynamic pressure for receiving, so as to obtain out-of-balance forceFurther according to out-of-balance forceThe radius r of angular velocity omega and wheel to be detected, obtains unbalance mass, and unbalance mass is shown by display
Show.
In described step A3, processor is processed receiving dynamic dynamic pressure, so as to obtain out-of-balance forceTool
Body process is：
By formulaObtain out-of-balance force
Wherein,For the dynamic pressure that the piezoelectric transducer on the left of wheel is detected,Piezoelectric transducer inspection on the right side of wheel
The dynamic pressure for measuring.
In method using unbalance mass in the balance machine testing static balance of detection Electricmotor car wheel, the uneven matter
The acquisition of amount passes throughRealize, wherein,Represent the unbalance mass in static balance detection.
Using the method for unbalance mass in the balance machine testing dynamic balancing of described detection Electricmotor car wheel, the detection is moved
The method of unbalance mass comprises the steps in balance：
Step B1：The main shaft two ends of wheel to be detected are separately fixed on two supporting mechanisms, make wheel to be detected with
Two supporting mechanisms are parallel to each other, and vertical dimension C between the diameter D of the steel ring of wheel to be detected and two point type laser instrument is deposited
Enter processor, the exit portal for making two point type laser instrument is oppositely arranged；
Step B2：First point type laser emitting laser is made, first point type laser instrument is horizontally rotated, first point is made
The laser of formula laser emitting gets to the outward flange of the steel ring of wheel to be detected, and the rotation of first point type laser instrument drives its institute
First potentiometer rotate so that first potentiometer exports the signal of telecommunication to processor, processor is according to first electricity
The position device output signal of telecommunication, obtains the inswept angle A of laser of first point type laser emitting, processor further according toObtain a,
Wherein, a is the vertical dimension between the side of the adjacent wheel to be detected of main shaft of first point type laser instrument,
L1 is the vertical dimension between the centre bore of wheel to be detected and first point type laser instrument；
Step B3：Second point type laser emitting laser is made, second point type laser instrument is horizontally rotated, second point is made
The laser of formula laser emitting gets to the outward flange of the steel ring of wheel to be detected, and the rotation of second point type laser instrument drives second
Individual potentiometer is rotated, so that second potentiometer exports the signal of telecommunication to processor, processor is exported according to second potentiometer
The signal of telecommunication, obtains the inswept angle B of laser of second point type laser emitting, processor further according toObtain
Obtain b,
Wherein, b is the vertical dimension between the side of the adjacent wheel to be detected of main shaft of second point type laser instrument,
L2 is the vertical dimension between the centre bore of wheel to be detected and second point type laser instrument,
Step B4：Handss drive the motor of wheel to be measured to rotate by controller, when vehicle wheel rotational speed to be detected is stable, will treat
The phase signal of the Hall element detection in detection wheel is uploaded to processor, and the phase signal is converted into angle speed by processor
Degree ω,
Meanwhile, the piezoelectric transducer on the left of wheel to be detected detects its institute according to the deformation of its vibration rocker being located
The vibration dynamic pressure born of rocker
Piezoelectric transducer on the right side of wheel to be detected detects shaking for its place according to the deformation of its vibration rocker being located
The dynamic pressure that movable pendulum frame is born
Processor passes through following formula one：
ObtainWith
Wherein,For on wheel left surface to be detected unbalance mass produce centrifugal force,
For on wheel right flank to be detected unbalance mass produce centrifugal force,
Step B5：According to the centrifugal force that unbalance mass on wheel left surface to be detected is producedIt is angular velocity omega, to be detected
The radius r of wheel, obtains unbalance mass on wheel left surface to be detected；Further according to uneven matter on wheel right flank to be detected
The centrifugal force that amount is producedThe radius r of angular velocity omega, wheel to be detected, obtains unbalance mass on wheel right flank to be detected,
And shown unbalance mass on wheel left and right side to be detected by display, it is right during dynamic balancing is detected so as to complete
The detection of unbalance mass on left and right two sides of wheel to be detected.
In method using unbalance mass in the balance machine testing dynamic balancing of detection Electricmotor car wheel, described is to be detected
Unbalance mass passes through on wheel left surfaceObtain, unbalance mass passes through on wheel right flank to be detectedObtain,
Wherein,The unbalance mass on wheel left surface to be detected in dynamic balancing detection is represented,Represent dynamic balancing inspection
Unbalance mass in survey on the wheel right side to be detected.
The invention has the beneficial effects as follows, invention can integrally do dynamic and static balance detection to Electricmotor car wheel, so as to improve electricity
The safety of motor-car user and comfortableness.The present invention can directly calculate the dynamic and static unbalanced quality and phase place of wheel,
And directly display out by display, in that context it may be convenient to correction, simple to operate, efficiency high are balanced to wheel.
Description of the drawings
Fig. 1 is the structural representation of the balancing machine of detection Electricmotor car wheel of the present invention；
Scheme of installation when Fig. 2 is detected for Electricmotor car wheel；
Fig. 3 is the structural representation of supporting mechanism；
When Fig. 4 is detected for dynamic balancing, the dimensional measurement schematic diagram of the balancing machine of detection Electricmotor car wheel of the present invention；
Fig. 5 is the balancing machine electric connecting relation figure of detection Electricmotor car wheel of the present invention.
Specific embodiment
Specific embodiment one：Present embodiment, the inspection described in present embodiment are illustrated referring to Fig. 1, Fig. 2, Fig. 4 and Fig. 5
The balancing machine of Electricmotor car wheel is surveyed, it includes base 1, processor 2-1, controller 2-2, display 3 and two supporting mechanisms 4；
Two supporting mechanisms 4, processor 2-1 and controller 2-2 are each attached on base 1, and two phases of supporting mechanism 4
To arranging, processor 2-1 and controller 2-2 is encapsulated in casing 2, and display 3 is fixed in casing 2；
Two supporting mechanisms 4 support respectively the main shaft two ends of wheel to be detected 5, are additionally operable to detect that wheel to be detected 5 is left and right
Two sides are applied to the dynamic pressure on the supporting mechanism 4 that it is connected, and the dynamic pressure for detecting is uploaded to into processor 2-
1,
Processor 2-1, for receiving wheel to be detected 5 in Hall element output phase signal, be additionally operable to pass through
Controller 2-2 drives the motor in wheel 5 to be detected to rotate,
Processor 2-1 is processed the dynamic pressure and phase signal of reception, and result is carried out by display 3
Show.
In present embodiment, the inside of Electricmotor car wheel possesses in itself motor and Hall element, according to Hall element
The phase signal of output is so as to obtaining the angular velocity omega of Electricmotor car wheel.
The balancing machine of described detection Electricmotor car wheel can carry out static balance detection, and can directly calculate static balance detection
Middle amount of unbalance, simple to operate, detection efficiency and accuracy of detection are high.
When using, wheel to be detected 5 is arranged on two supporting mechanisms 4, wheel 5 to be measured is driven by controller 2-2
Motor rotate, when the stabilization of speed of wheel to be measured 5, the left and right sides of wheel 5 to be detected is detected by piezoelectric transducer 4-3
The dynamic pressure that vibration rocker 4-2 is bornWithAnd by formulaObtain out-of-balance forceFurther according to
Out-of-balance forceThe radius r of the angular velocity omega of wheel to be detected 5 and wheel to be detected 5, obtains unbalance mass, and by injustice
Weighing apparatus quality is shown by display 3.
Wherein,For the dynamic pressure that the piezoelectric transducer 4-3 on the left of wheel is detected,Piezoelectric sensing on the right side of wheel
The dynamic pressure that device 4-3 is detected.
Specific embodiment two：Present embodiment, present embodiment and specific embodiment one are illustrated referring to Fig. 1 to Fig. 3
The difference of the balancing machine of described detection Electricmotor car wheel is, each supporting mechanism 4 include sheath 4-1, vibration rocker 4-2 and
Piezoelectric transducer 4-3, sheath 4-1 are enclosed within outside vibration rocker 4-2, are provided with draw-in groove 4-2-1 at the top of vibration rocker 4-2, the draw-in groove
4-2-1 is used to lift the main shaft of wheel to be detected 5, and draw-in groove 4-2-1 is exposed outside sheath 4-1,
Vibration rocker 4-2 is that hollow type vibrates rocker,
Piezoelectric transducer 4-3 is squeezed in the hollow part of vibration rocker 4-2, and according to the deformation of vibration rocker 4-2, detection is shaken
The dynamic pressure that movable pendulum frame 4-2 is born.
In present embodiment, vibration rocker 4-2 is set to into hollow type vibration rocker, and piezoelectric transducer 4-3 is extruded
In the hollow part of vibration rocker 4-2, and the dynamic pressure born according to the deformation of vibration rocker 4-2, detection vibration rocker 4-2,
The accuracy of testing result is high.
Specific embodiment three：Present embodiment, present embodiment and specific embodiment two are illustrated referring to Fig. 1 to Fig. 5
The difference of the balancing machine of described detection Electricmotor car wheel is that each supporting mechanism 4 also includes potentiometer support 4-4, current potential
Device 4-5 and point type laser instrument 4-6；
Described potentiometer support 4-4, potentiometer 4-5 and point type laser instrument 4-6 are respectively positioned in sheath 4-1, potentiometer
Frame 4-4 is fixed on vibration rocker 4-2 front surfaces, and potentiometer 4-5 is fixed on the lower surface of potentiometer support 4-4, and potentiometer 4-5
Rotary shaft be fixedly connected with point type laser instrument 4-6；
Open slot 4-1-1 is offered on sheath 4-1, the laser that point type laser instrument 4-6 sends is projected from open slot 4-1-1.
The balancing machine of the detection Electricmotor car wheel described in present embodiment can enter action balance detection, during use：
By make two point type laser instrument 4-6 respectively shoot laser get to wheel to be detected 5 steel ring outward flange, point type swash
The rotational band electrokinetic potential device 4-5 of light device 4-6 is rotated, and is obtained according to the signal of telecommunication of two potentiometer 4-5 outputs, two point type laser
Angle A and B that device 4-6 difference is inswept, according to angle A and B, obtain two point type laser instrument 4-6 respectively apart from adjacent
Vertical dimension a and b between the side of wheel to be detected 5, further according to the dynamic pressure that two piezoelectric transducer 4-3 are measured
A, b etc. try to achieve the centrifugal force on 5 two sides of wheel to be detected, so as to try to achieve unbalance mass on each side, according to trying to achieve
Unbalance mass wheel to be detected 5 is corrected.
Specific embodiment four：Present embodiment, present embodiment and specific embodiment two are illustrated referring to Fig. 1 to Fig. 3
The method of unbalance mass in the described balance machine testing static balance using detection Electricmotor car wheel, in the detection static balance not
The method of balance mass comprises the steps：
Step A1：The main shaft two ends of wheel to be detected 5 are separately fixed on two supporting mechanisms 4, wheel to be detected 5 is made
It is parallel to each other with two supporting mechanisms 4,
Step A2：The motor of wheel 5 to be measured is driven to rotate by controller 2-2, after 5 stabilization of speed of wheel to be detected,
Two piezoelectric transducer 4-3 detect that each piezoelectric transducer 4-3 is located respectively according to the deformation of its vibration rocker 4-2 being located
The dynamic pressure born of vibration rocker 4-2, the dynamic pressure for detecting is uploaded to into processor 2-1, while by wheel to be detected 5
In Hall element detection phase signal be uploaded to processor 2-1, the phase signal is converted into angular velocity by processor 2-1
ω,
Step A3：Processor 2-1 is processed the dynamic pressure for receiving, so as to obtain out-of-balance forceFurther according to injustice
Weighing apparatus powerThe radius r of angular velocity omega and wheel to be detected 5, obtains unbalance mass, and unbalance mass is passed through into display 3
Shown.
Present embodiment, is corrected according to the unbalance mass tried to achieve to wheel to be detected 5.
Specific embodiment five：Present embodiment, present embodiment and specific embodiment four are illustrated referring to Fig. 1 to Fig. 5
The difference of the method for unbalance mass in the described balance machine testing static balance using detection Electricmotor car wheel is, described
In step A3, processor 2-1 is processed receiving dynamic dynamic pressure, so as to obtain out-of-balance forceDetailed process be：
By formulaObtain out-of-balance force
Wherein,For the dynamic pressure that the piezoelectric transducer 4-3 on the left of wheel is detected,Piezoelectric sensing on the right side of wheel
The dynamic pressure that device 4-3 is detected.
Specific embodiment six：Present embodiment, present embodiment and specific embodiment four are illustrated referring to Fig. 1 to Fig. 3
Or the difference of the method for unbalance mass is in the balance machine testing static balance using detection Electricmotor car wheel described in five, institute
The acquisition for stating unbalance mass passes throughRealize, wherein,Represent the unbalance mass in static balance detection.
Specific embodiment seven：Present embodiment is illustrated referring to Fig. 1 to Fig. 5, using the inspection described in specific embodiment three
The method for surveying unbalance mass in the balance machine testing dynamic balancing of Electricmotor car wheel, the side of unbalance mass in the detection dynamic balancing
Method comprises the steps：
Step B1：The main shaft two ends of wheel to be detected 5 are separately fixed on two supporting mechanisms 4, wheel to be detected 5 is made
It is parallel to each other with two supporting mechanisms 4, will be vertical between the diameter D of the steel ring of wheel to be detected 5 and two point type laser instrument 4-6
Processor 2-1 is stored in apart from C, the exit portal for making two point type laser instrument 4-6 is oppositely arranged；
Step B2：First point type laser instrument 4-6 shoot laser is made, first point type laser instrument 4-6 is horizontally rotated, is made
The laser of one point type laser instrument 4-6 outgoing gets to the outward flange of the steel ring of wheel to be detected 5, first point type laser instrument 4-6
Rotation drive its first potentiometer 4-5 being located to rotate so that first potentiometer 4-5 exports the signal of telecommunication to processor
2-1, processor 2-1 obtain the laser of first point type laser instrument 4-6 outgoing according to first potentiometer 4-5 output signal of telecommunication
Inswept angle A, processor 2-1 further according toObtain a,
Wherein, a is vertical between the side of the adjacent wheel to be detected 5 of main shaft of first point type laser instrument 4-6
Distance, L1 is the vertical dimension between the centre bore of wheel to be detected 5 and first point type laser instrument 4-6；
Step B3：Second point type laser instrument 4-6 shoot laser is made, second point type laser instrument 4-6 is horizontally rotated, is made
The laser of two point type laser instrument 4-6 outgoing gets to the outward flange of the steel ring of wheel to be detected 5, second point type laser instrument 4-6
Rotation drive second potentiometer 4-5 to rotate so that second potentiometer 4-5 exports the signal of telecommunication to processor 2-1, process
Device 2-1 obtains the inswept angle of the laser of second point type laser instrument 4-6 outgoing according to second potentiometer 4-5 output signal of telecommunication
Degree B, processor 2-1 further according toObtain b,
Wherein, b is vertical between the side of the adjacent wheel to be detected 5 of main shaft of second point type laser instrument 4-6
Distance, L2 is the vertical dimension between the centre bore of wheel to be detected 5 and second point type laser instrument 4-6,
Step B4：Drive the motor of wheel to be measured 5 to rotate by controller, when 5 stabilization of speed of wheel to be detected, will treat
The phase signal of the Hall element detection in detection wheel 5 is uploaded to processor 2-1, and processor 2-1 turns the phase signal
Turn to angular velocity omega,
Meanwhile, the piezoelectric transducer 4-3 in the left side of wheel to be detected 5 is detected according to the deformation of its vibration rocker 4-2 being located
The dynamic pressure that the vibration rocker 4-2 being located to it is born
The piezoelectric transducer 4-3 on the right side of wheel to be detected 5 detects it according to the deformation of its vibration rocker 4-2 being located
The dynamic pressure that the vibration rocker 4-2 at place is born
Processor 2-1 passes through following formula one：
ObtainWith
Wherein,For on the left surface of wheel to be detected 5 unbalance mass produce centrifugal force,
For on the right flank of wheel to be detected 5 unbalance mass produce centrifugal force,
Step B5：According to the centrifugal force that unbalance mass on the left surface of wheel to be detected 5 is producedIt is angular velocity omega, to be checked
The radius r of measuring car wheel 5, obtains unbalance mass on the left surface of wheel 5 to be detected；Further according on the right flank of wheel to be detected 5 not
The centrifugal force that balance mass is producedThe radius r of angular velocity omega, wheel to be detected 5, obtains on the right flank of wheel 5 to be detected not
Balance mass, and unbalance mass on the left and right side of wheel to be detected 5 is shown by display 3, it is dynamic flat so as to complete
Detection in weighing apparatus detection to unbalance mass on 5 left and right two sides of wheel to be detected.
In present embodiment, according to unbalance mass on 5 left and right two sides of the wheel to be detected tried to achieve so as to to be checked
Measuring car wheel 5 is corrected.
Specific embodiment eight：Present embodiment, present embodiment and specific embodiment seven are illustrated referring to Fig. 1 to Fig. 5
The difference of the method for unbalance mass in the described balance machine testing dynamic balancing using detection Electricmotor car wheel is, described
Unbalance mass passes through on the left surface of wheel to be detected 5Obtain, unbalance mass on the right flank of wheel to be detected 5
Pass throughObtain,
Wherein,The unbalance mass on the left surface of wheel to be detected 5 in dynamic balancing detection is represented,Represent dynamic balancing
Unbalance mass in detection on the right side of wheel to be detected 5.
Claims (8)
1. the balancing machine of Electricmotor car wheel is detected, it is characterised in that it includes base (1), processor (2-1), controller (2-
2), display (3) and two supporting mechanisms (4)；
Two supporting mechanisms (4), processor (2-1) and controllers (2-2) are each attached on base (1), and two support machines
Structure (4) is oppositely arranged, and processor (2-1) and controller (2-2) are encapsulated in casing (2), and display (3) is fixed on casing (2)
On；
Two supporting mechanisms (4) support respectively the main shaft two ends of wheel to be detected (5), be additionally operable to detect wheel to be detected (5) it is left,
Right two sides are applied to the dynamic pressure on the supporting mechanism (4) that it is connected, and the dynamic pressure for detecting is uploaded to into process
Device (2-1),
Processor (2-1), for receiving wheel to be detected (5) in Hall element output phase signal, be additionally operable to pass through
Controller (2-2) drives the motor in wheel to be detected (5) to rotate,
Processor (2-1) is processed the dynamic pressure and phase signal of reception, and result is carried out by display (3)
Show.
2. the balancing machine of detection Electricmotor car wheel according to claim 1, it is characterised in that each supporting mechanism (4) bag
Sheath (4-1), vibration rocker (4-2) and piezoelectric transducer (4-3) are included, sheath (4-1) is enclosed within vibration rocker (4-2) outward, vibration
Draw-in groove (4-2-1) is provided with the top of rocker (4-2), the draw-in groove (4-2-1) is used to lift the main shaft of wheel to be detected (5), and blocks
Groove (4-2-1) it is exposed in sheath (4-1) outward,
Vibration rocker (4-2) is that hollow type vibrates rocker,
Piezoelectric transducer (4-3) is squeezed in the hollow part of vibration rocker (4-2), and according to the deformation of vibration rocker (4-2), detection
The dynamic pressure that vibration rocker (4-2) is born.
3. the balancing machine of detection Electricmotor car wheel according to claim 2, it is characterised in that each supporting mechanism (4) is also
Including potentiometer support (4-4), potentiometer (4-5) and point type laser instrument (4-6)；
Described potentiometer support (4-4), potentiometer (4-5) and point type laser instrument (4-6) are respectively positioned in sheath (4-1), current potential
Device support (4-4) is fixed on vibration rocker (4-2) front surface, and potentiometer (4-5) is fixed on the following table of potentiometer support (4-4)
Face, and the rotary shaft of potentiometer (4-5) is fixedly connected with point type laser instrument (4-6)；
Open slot (4-1-1) is offered on sheath (4-1), the laser that point type laser instrument (4-6) sends is penetrated from open slot (4-1-1)
Go out.
4. using the method for unbalance mass in the balance machine testing static balance of the detection Electricmotor car wheel described in claim 2,
Characterized in that, the method for unbalance mass comprises the steps in the detection static balance：
Step A1：The main shaft two ends of wheel to be detected (5) are separately fixed on two supporting mechanisms (4), wheel to be detected is made
(5) it is parallel to each other with two supporting mechanisms (4),
Step A2：The motor of wheel to be measured (5) is driven to rotate by controller (2-2), when wheel to be detected (5) stabilization of speed
Afterwards, two piezoelectric transducers (4-3) detect each piezoelectric transducer respectively according to the deformation of its vibration rocker (4-2) being located
(4-3) dynamic pressure that the vibration rocker (4-2) being located is born, by the dynamic pressure for detecting processor (2-1) is uploaded to, while
The phase signal of the Hall element detection in wheel to be detected (5) is uploaded to into processor (2-1), processor (2-1) should
Phase signal is converted into angular velocity omega,
Step A3：Processor (2-1) is processed the dynamic pressure for receiving, so as to obtain out-of-balance forceFurther according to imbalance
PowerThe radius r of angular velocity omega and wheel to be detected (5), obtains unbalance mass, and unbalance mass is passed through into display
(3) shown.
5. according to claim 4 using the side for balancing unbalance mass in machine testing static balance for detecting Electricmotor car wheel
Method, it is characterised in that in described step A3, processor (2-1) is processed receiving dynamic dynamic pressure, so as to obtain injustice
Weighing apparatus powerDetailed process be：
By formulaObtain out-of-balance force
Wherein,For the dynamic pressure that the piezoelectric transducer (4-3) on the left of wheel is detected,Piezoelectric transducer on the right side of wheel
(4-3) dynamic pressure for detecting.
6. unbalance mass in the balance machine testing static balance for detecting Electricmotor car wheel is adopted according to claim 4 or 5
Method, it is characterised in that the acquisition of the unbalance mass passes throughRealize, wherein,Represent static balance inspection
Unbalance mass in survey.
7. using the method for unbalance mass in the balance machine testing dynamic balancing of the detection Electricmotor car wheel described in claim 3,
Characterized in that, the method for unbalance mass comprises the steps in the detection dynamic balancing：
Step B1：The main shaft two ends of wheel to be detected (5) are separately fixed on two supporting mechanisms (4), wheel to be detected is made
(5) it is parallel to each other with two supporting mechanisms (4), by the diameter D of the steel ring of wheel to be detected (5) and two point type laser instrument (4-
6) vertical dimension C between is stored in processor (2-1), and the exit portal for making two point type laser instrument (4-6) is oppositely arranged；
Step B2：First point type laser instrument (4-6) shoot laser is made, first point type laser instrument (4-6) is horizontally rotated, is made
The laser of one point type laser instrument (4-6) outgoing gets to the outward flange of the steel ring of wheel to be detected (5), first point type laser instrument
(4-6) rotation drives its first potentiometer (4-5) being located to rotate, so that first potentiometer (4-5) exports telecommunications
Number to processor (2-1), processor (2-1) obtains first point type laser according to first potentiometer (4-5) output signal of telecommunication
The angle A that the laser of device (4-6) outgoing is inswept, processor (2-1) further according toObtain a,
Wherein, a for the adjacent wheel to be detected (5) of main shaft of first point type laser instrument (4-6) side between it is vertical
Distance, L1 is the vertical dimension between the centre bore of wheel to be detected (5) and first point type laser instrument (4-6)；
Step B3：Second point type laser instrument (4-6) shoot laser is made, second point type laser instrument (4-6) is horizontally rotated, is made
The laser of two point type laser instrument (4-6) outgoing gets to the outward flange of the steel ring of wheel to be detected (5), second point type laser instrument
(4-6) rotation drives second potentiometer (4-5) to rotate, so that second potentiometer (4-5) output signal of telecommunication is to process
Device (2-1), processor (2-1) obtains second point type laser instrument (4-6) according to second potentiometer (4-5) output signal of telecommunication
The angle B that the laser of outgoing is inswept, processor (2-1) further according toObtain b,
Wherein, b for the adjacent wheel to be detected (5) of main shaft of second point type laser instrument (4-6) side between it is vertical
Distance, L2 is the vertical dimension between the centre bore of wheel to be detected (5) and second point type laser instrument (4-6),
Step B4：Handss drive the motor of wheel to be measured (5) to rotate by controller, when wheel to be detected (5) stabilization of speed, will
The phase signal of the Hall element detection in wheel (5) to be detected is uploaded to processor (2-1), and processor (2-1) is by the phase
Position signal is converted into angular velocity omega,
Meanwhile, the piezoelectric transducer (4-3) on the left of wheel (5) to be detected is examined according to the deformation of its vibration rocker (4-2) being located
Measure the dynamic pressure that the vibration rocker (4-2) at its place is born
Piezoelectric transducer (4-3) on the right side of wheel (5) to be detected is detected according to the deformation of its vibration rocker (4-2) being located
The dynamic pressure that its vibration rocker (4-2) being located is born
Processor (2-1) passes through following formula one：
ObtainWith
Wherein,For on wheel to be detected (5) left surface unbalance mass produce centrifugal force,
For on wheel to be detected (5) right flank unbalance mass produce centrifugal force,
Step B5：According to the centrifugal force that unbalance mass on wheel to be detected (5) left surface is producedIt is angular velocity omega, to be detected
The radius r of wheel (5), obtains unbalance mass on wheel (5) left surface to be detected；Further according to wheel to be detected (5) right flank
The centrifugal force that upper unbalance mass is producedThe radius r of angular velocity omega, wheel to be detected (5), obtains wheel (5) to be detected right
Unbalance mass on side, and unbalance mass on wheel to be detected (5) left and right side is shown by display (3),
So as to complete the detection of unbalance mass on two sides left and right to wheel to be detected (5) during dynamic balancing is detected.
8. according to claim 7 using the side for balancing unbalance mass in machine testing dynamic balancing for detecting Electricmotor car wheel
Method, it is characterised in that unbalance mass passes through on described wheel to be detected (5) left surfaceObtain, measuring car to be checked
Unbalance mass passes through on wheel (5) right flankObtain,
Wherein,The unbalance mass on wheel (5) left surface to be detected in dynamic balancing detection is represented,Represent dynamic balancing inspection
Unbalance mass in survey on wheel (5) right side to be detected.
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| WO2022123092A1 (en) * | 2020-12-09 | 2022-06-16 | Nazca Ingeniería, S.L. | Device for balancing of a wheel |
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