CN106610332B - The method for detecting the balancing machine of Electricmotor car wheel and detecting unbalance mass, - Google Patents
The method for detecting the balancing machine of Electricmotor car wheel and detecting unbalance mass, Download PDFInfo
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims description 17
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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 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
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Abstract
The method for detecting the balancing machine of Electricmotor car wheel and detecting unbalance mass,；Belong to the dynamic and static balance detection field of Electricmotor car wheel.Solves the problems, such as the existing balancing machine for not doing dynamic and static balance detection integrally to Electricmotor car wheel.The present invention carries out the static balance detection of Electricmotor car wheel by the Hall sensor in supporting mechanism and wheel to be detected, and increase potentiometer support, potentiometer and point type laser carry out the dynamic balancing detection of Electricmotor car wheel on the basis of static balance detection.The balancing machine of detection Electricmotor car wheel of the present invention can carry out dynamic and static flat detection to Electricmotor car wheel, and structure is simple, easy to operate.Present invention is mainly used for carry out dynamic and static balance detection to Electricmotor car wheel.
Description
Technical field
The invention belongs to the dynamic and static balance detection fields of Electricmotor car wheel.
Background technique
The dynamic balancing product of automotive wheel is very mature and also has corresponding national standard, but the wheel of electric vehicle is also
There is no dedicated balancing machine.The wheel of electric vehicle can only do dynamic and static balance before factory to the motor part of Electricmotor car wheel, and
Dynamic and static balance detection is not done integrally to Electricmotor car wheel, if amount of unbalance is biggish in use for Electricmotor car wheel
Words, will affect safety and the comfort of electric vehicle user.
Summary of the invention
The present invention is to solve asking for the existing balancing machine for not doing dynamic and static balance detection integrally to Electricmotor car wheel
Topic, the present invention provides a kind of balancing machine for detecting Electricmotor car wheel and the methods for detecting unbalance mass,.
The balancing machine of Electricmotor car wheel is detected, it includes pedestal, processor, controller, display and two supporting mechanisms；
Two supporting mechanisms, processor and controller are each attached on pedestal, and two supporting mechanisms are oppositely arranged, place
Reason device and controller are encapsulated in casing, and display is fixed on casing；
Two supporting mechanisms support the main shaft both ends of wheel to be detected respectively, are also used to detect wheel to be detected left and right two
A side is applied to the dynamic pressure on the supporting mechanism that it is connected, and the dynamic pressure that will test is uploaded to processor,
Processor is also used to pass through control for receiving the phase signal of the output of the Hall sensor in wheel to be detected
Device drives the motor in wheel to be detected to rotate,
Processor handles received dynamic pressure and phase signal, and processing result is shown by display
Show.
Each supporting mechanism includes sheath, vibration rocker and piezoelectric transducer, and sheath covers outside vibration rocker, vibrates rocker
Top be equipped with card slot, which is used to lift the main shaft of wheel to be detected, and card slot is exposed outside sheath,
Vibrating rocker is that hollow type vibrates rocker,
Piezoelectric transducer is extruded in the hollow part of vibration rocker, and according to the deformation of vibration rocker, detection vibration rocker institute
The dynamic pressure of receiving.
Each supporting mechanism further includes potentiometer support, potentiometer and point type laser；
Potentiometer support, potentiometer and the point type laser is respectively positioned in sheath, and potentiometer support is fixed on vibration
Rocker front surface, potentiometer are fixed on the lower surface of potentiometer support, and the rotation axis of potentiometer and the fixed company of point type laser
It connects；
Open slot is offered on sheath, the laser that point type laser issues is projected from open slot.
Using the method for unbalance mass, in the balance machine testing static balance of the detection Electricmotor car wheel, the detection is quiet
The method of unbalance mass, includes the following steps: in balance
Step A1: the main shaft both 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: driving the motor of wheel to be measured to rotate by controller, after vehicle wheel rotational speed to be detected is stablized, two pressures
Respectively according to the deformation of the vibration rocker where it, the vibration rocker where detecting each piezoelectric transducer is born electric transducer
Dynamic pressure, the dynamic pressure that will test is uploaded to processor, while by the phase of the Hall sensor detection in wheel to be detected
Position signal is uploaded to processor, and the phase signal is converted angular velocity omega by processor,
Step A3: processor handles received dynamic pressure, 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 the step A3, processor is handled dynamic dynamic pressure is received, to obtain out-of-balance forceTool
Body process are as follows:
Pass through formulaObtain out-of-balance force
Wherein,For the dynamic pressure that the piezoelectric transducer on the left of wheel detects,Piezoelectric transducer inspection on the right side of wheel
The dynamic pressure measured.
In method using unbalance mass, in the balance machine testing static balance of detection Electricmotor car wheel, the imbalance matter
The acquisition of amount passes throughIt realizes, whereinIndicate the unbalance mass, in static balance detection.
Using the method for unbalance mass, in the balance machine testing dynamic balancing of the detection Electricmotor car wheel, the detection is dynamic
The method of unbalance mass, includes the following steps: in balance
Step B1: the main shaft both 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 the vertical range C between the diameter D of the steel ring of wheel to be detected and two point type lasers is deposited
Enter processor, is oppositely arranged the exit portal of two point type lasers；
Step B2: make first point type laser emitting laser, horizontally rotate first point type laser, make first point
The laser of formula laser emitting gets to the outer edge of the steel ring of wheel to be detected, and the rotation of first point type laser drives its institute
The rotation of first potentiometer, to make first potentiometer output electric signal to processor, processor is according to first electricity
Position device exports electric signal, obtains the inswept angle A of the laser of first point type laser emitting, processor further according toA is obtained,
Wherein, vertical range of a between the side of the adjacent wheel to be detected of the main shaft of first point type laser,
L1 is the vertical range between the centre bore and first point type laser of wheel to be detected；
Step B3: make second point type laser emitting laser, horizontally rotate second point type laser, make second point
The laser of formula laser emitting gets to the outer edge of the steel ring of wheel to be detected, and the rotation of second point type laser drives second
A potentiometer rotation, to make second potentiometer output electric signal to processor, processor is exported according to second potentiometer
Electric signal, obtains the inswept angle B of the laser of second point type laser emitting, processor further according toIt obtains
B is obtained,
Wherein, vertical range of the b between the side of the adjacent wheel to be detected of the main shaft of second point type laser,
L2 is the vertical range between the centre bore and second point type laser of wheel to be detected,
Step B4: hand drives the motor of wheel to be measured to rotate by controller, will be to when vehicle wheel rotational speed to be detected is stablized
The phase signal of Hall sensor detection in detection wheel is uploaded to processor, and the phase signal is converted angle speed by processor
ω is spent,
Meanwhile the piezoelectric transducer on the left of wheel to be detected detects its institute according to the deformation of the vibration rocker where it
The dynamic pressure born of vibration rocker
Piezoelectric transducer on the right side of wheel to be detected detects the vibration where it according to the deformation of the vibration rocker where it
The dynamic pressure that movable pendulum frame is born
Processor passes through following formula one:
It obtainsWith
Wherein,For on wheel left side to be detected unbalance mass, generate centrifugal force,
For on wheel right side to be detected unbalance mass, generate centrifugal force,
Step B5: the centrifugal force generated according to unbalance mass, on wheel left side to be detectedIt is angular velocity omega, to be detected
The radius r of wheel obtains unbalance mass, on wheel left side to be detected；Further according to matter uneven on wheel right side to be detected
Measure the centrifugal force generatedThe radius r of angular velocity omega, wheel to be detected obtains unbalance mass, on wheel right side to be detected,
And unbalance mass, on wheel left and right side to be detected is shown by display, thus complete dynamic balancing detection in it is right
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 sideIt obtains, unbalance mass, passes through on wheel right side to be detectedIt obtains,
Wherein,Indicate the unbalance mass, in dynamic balancing detection on wheel left side to be detected,Indicate dynamic balancing
Unbalance mass, in detection on the wheel right side to be detected.
The invention has the advantages that invention can integrally do dynamic and static balance detection to Electricmotor car wheel, to improve electricity
The safety of motor-car user and comfort.The present invention can directly calculate the dynamic and static unbalanced quality and phase of wheel,
And it directly displays out by display, it may be convenient to correction is balanced to wheel, it is easy to operate, it is high-efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the balancing machine of detection Electricmotor car wheel of the present invention；
Fig. 2 is scheme of installation when Electricmotor car wheel detects；
Fig. 3 is the structural schematic diagram of supporting mechanism；
When Fig. 4 is that dynamic balancing detects, 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 1: illustrating present embodiment, inspection described in present embodiment referring to Fig. 1, Fig. 2, Fig. 4 and Fig. 5
The balancing machine of Electricmotor car wheel is surveyed, it includes pedestal 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 pedestal 1, and two 4 phases of supporting mechanism
To setting, processor 2-1 and controller 2-2 are encapsulated in casing 2, and display 3 is fixed on casing 2；
Two supporting mechanisms 4 support the main shaft both ends of wheel 5 to be detected respectively, and it is left and right to be also used to detect wheel 5 to be detected
Two sides are applied to the dynamic pressure on the supporting mechanism 4 that it is connected, and the dynamic pressure that will test is uploaded to processor 2-
1,
Processor 2-1 is also used to pass through for receiving the phase signal of the output of the Hall sensor in wheel 5 to be detected
Controller 2-2 drives the motor in wheel 5 to be detected to rotate,
Processor 2-1 handles received dynamic pressure and phase signal, and processing result is carried out by display 3
Display.
In present embodiment, inside of Electricmotor car wheel itself has motor and Hall sensor, according to Hall sensor
The phase signal of output is to obtain the angular velocity omega of Electricmotor car wheel.
The balancing machine of the detection Electricmotor car wheel can carry out static balance detection, and can directly calculate static balance detection
Middle amount of unbalance, easy to operate, detection efficiency and detection accuracy are high.
In use, wheel 5 to be detected is mounted on two supporting mechanisms 4, wheel 5 to be measured is driven by controller 2-2
Motor rotation 5 left and right sides of wheel to be detected is detected by piezoelectric transducer 4-3 when the stabilization of speed of wheel 5 to be measured
The dynamic pressure that vibration rocker 4-2 is bornWithAnd pass through formulaObtain out-of-balance forceFurther according to
Out-of-balance forceThe angular velocity omega of wheel 5 to be detected and the radius r of wheel to be detected 5 obtain unbalance mass, and will be uneven
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 2: illustrating present embodiment, present embodiment and specific embodiment one referring to Fig. 1 to Fig. 3
The difference of the balancing machine of the 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 cover outside vibration rocker 4-2, and the top of vibration rocker 4-2 is equipped with card slot 4-2-1, the card slot
4-2-1 is used to lift the main shaft of wheel 5 to be detected, and card slot 4-2-1 is exposed outside sheath 4-1,
Vibrating rocker 4-2 is that hollow type vibrates rocker,
Piezoelectric transducer 4-3 is extruded in the hollow part of vibration rocker 4-2, and according to the deformation of vibration rocker 4-2, detection vibration
The dynamic pressure that movable pendulum frame 4-2 is born.
In present embodiment, hollow type vibration rocker is set by vibration rocker 4-2, and piezoelectric transducer 4-3 is squeezed
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 3: illustrating present embodiment, present embodiment and specific embodiment two referring to Fig. 1 to Fig. 5
The difference of the balancing machine of the detection Electricmotor car wheel is that each supporting mechanism 4 further includes potentiometer support 4-4, current potential
Device 4-5 and point type laser 4-6；
Potentiometer support 4-4, the potentiometer 4-5 and point type laser 4-6 is respectively positioned in sheath 4-1, potentiometer branch
Frame 4-4 is fixed on vibration rocker 4-2 front surface, and potentiometer 4-5 is fixed on the lower surface of potentiometer support 4-4, and potentiometer 4-5
Rotation axis be fixedly connected with point type laser 4-6；
Open slot 4-1-1 is offered on sheath 4-1, the laser that point type laser 4-6 is issued is projected from open slot 4-1-1.
The balancing machine that Electricmotor car wheel is detected described in present embodiment can carry out dynamic balancing detection, in use process:
By make two point type laser 4-6 respectively shoot laser get to wheel 5 to be detected steel ring outer edge, point type swash
The rotation of light device 4-6 drives potentiometer 4-5 rotation, is obtained according to the electric signal of two potentiometer 4-5 outputs, two point type laser
Device 4-6 distinguishes inswept angle A and B, according to angle A and B, obtains two point type laser 4-6 respectively apart from adjacent
Vertical range a and b between the side of wheel 5 to be detected, the dynamic pressure measured further according to two piezoelectric transducer 4-3
A, b etc. acquires the centrifugal force on 5 two sides of wheel to be detected, to acquire unbalance mass, on each side, according to acquiring
Unbalance mass, wheel 5 to be detected is corrected.
Specific embodiment 4: illustrating present embodiment, present embodiment and specific embodiment two 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 quality includes the following steps:
Step A1: the main shaft both ends of wheel 5 to be detected are separately fixed on two supporting mechanisms 4, make wheel 5 to be detected
It is parallel to each other with two supporting mechanisms 4,
Step A2: driving the motor of wheel 5 to be measured to rotate by controller 2-2, after 5 stabilization of speed of wheel to be detected,
Two piezoelectric transducer 4-3 according to the deformation of the vibration rocker 4-2 where it, detect each place piezoelectric transducer 4-3 respectively
The dynamic pressure born of vibration rocker 4-2, the dynamic pressure that will test is uploaded to processor 2-1, while by wheel 5 to be detected
In Hall sensor detection phase signal be uploaded to processor 2-1, the phase signal is converted angular speed by processor 2-1
ω,
Step A3: processor 2-1 handles received dynamic pressure, to obtain out-of-balance forceFurther according to injustice
Weigh powerThe radius r of angular velocity omega and wheel to be detected 5 obtains unbalance mass, and unbalance mass, is passed through display 3
It is shown.
Present embodiment is corrected wheel 5 to be detected according to the unbalance mass, acquired.
Specific embodiment 5: illustrating present embodiment, present embodiment and specific embodiment four referring to Fig. 1 to Fig. 5
The difference of the method for unbalance mass, is in the balance machine testing static balance using detection Electricmotor car wheel, described
In step A3, processor 2-1 is handled dynamic dynamic pressure is received, to obtain out-of-balance forceDetailed process are as follows:
Pass through 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 6: illustrating present embodiment, present embodiment and specific embodiment four referring to Fig. 1 to Fig. 3
Or it is described in five using the difference of the method for unbalance mass, in the balance machine testing static balance of detection Electricmotor car wheel, institute
The acquisition for stating unbalance mass, passes throughIt realizes, whereinIndicate the unbalance mass, in static balance detection.
Specific embodiment 7: illustrating present embodiment referring to Fig. 1 to Fig. 5, using inspection described in specific embodiment three
The method for balancing unbalance mass, in machine testing dynamic balancing of Electricmotor car wheel is surveyed, the side of unbalance mass, in the detection dynamic balancing
Method includes the following steps:
Step B1: the main shaft both ends of wheel 5 to be detected are separately fixed on two supporting mechanisms 4, make wheel 5 to be detected
It is parallel to each other with two supporting mechanisms 4, it will be vertical between the diameter D of the steel ring of wheel 5 to be detected and two point type laser 4-6
Distance C is stored in processor 2-1, is oppositely arranged the exit portal of two point type laser 4-6；
Step B2: making first point type laser 4-6 shoot laser, horizontally rotate first point type laser 4-6, makes
The laser of one point type laser 4-6 outgoing gets to the outer edge of the steel ring of wheel 5 to be detected, first point type laser 4-6
Rotation drive first potentiometer 4-5 rotation where it, so that first potentiometer 4-5 be made to export electric signal to processor
2-1, processor 2-1 export electric signal according to first potentiometer 4-5, obtain the laser of first point type laser 4-6 outgoing
Inswept angle A, processor 2-1 further according toA is obtained,
Wherein, vertical between the side of the adjacent wheel to be detected 5 of the main shaft that a is first point type laser 4-6
Distance, L1 are the vertical range between the centre bore and first point type laser 4-6 of wheel 5 to be detected；
Step B3: making second point type laser 4-6 shoot laser, horizontally rotate second point type laser 4-6, makes
The laser of two point type laser 4-6 outgoing gets to the outer edge of the steel ring of wheel 5 to be detected, second point type laser 4-6
Rotation drive second potentiometer 4-5 rotation, so that second potentiometer 4-5 be made to export electric signal to processor 2-1, processing
Device 2-1 exports electric signal according to second potentiometer 4-5, obtains the inswept angle of the laser of second point type laser 4-6 outgoing
Spend B, processor 2-1 further according toB is obtained,
Wherein, vertical between the side of the adjacent wheel to be detected 5 of the main shaft that b is second point type laser 4-6
Distance, L2 are the vertical range between the centre bore and second point type laser 4-6 of wheel 5 to be detected,
Step B4: driving the motor of wheel 5 to be measured to rotate by controller, will be to when 5 stabilization of speed of wheel to be detected
The phase signal of Hall sensor detection in detection wheel 5 is uploaded to processor 2-1, and processor 2-1 turns the phase signal
Angular velocity omega is turned to,
Meanwhile deformation of the piezoelectric transducer 4-3 in 5 left side of wheel to be detected according to the vibration rocker 4-2 where it, detection
The dynamic pressure that vibration rocker 4-2 where to it is born
The piezoelectric transducer 4-3 on 5 right side of wheel to be detected detects it according to the deformation of the vibration rocker 4-2 where it
The dynamic pressure that the vibration rocker 4-2 at place is born
Processor 2-1 passes through following formula one:
It obtainsWith
Wherein,For on 5 left side of wheel to be detected unbalance mass, generate centrifugal force,
For on 5 right side of wheel to be detected unbalance mass, generate centrifugal force,
Step B5: the centrifugal force generated according to unbalance mass, on 5 left side of wheel to be detectedIt is angular velocity omega, to be checked
The radius r of measuring car wheel 5 obtains unbalance mass, on 5 left side of wheel to be detected；Further according on 5 right side of wheel to be detected not
Balance the centrifugal force that quality generatesThe radius r of angular velocity omega, wheel to be detected 5 is obtained on 5 right side of wheel to be detected not
Quality is balanced, and unbalance mass, on 5 left and right side of wheel to be detected is shown by display 3, to complete dynamic flat
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 acquired to to be checked
Measuring car wheel 5 is corrected.
Specific embodiment 8: illustrating present embodiment, present embodiment and specific embodiment seven referring to Fig. 1 to Fig. 5
The difference of the method for unbalance mass, is in the balance machine testing dynamic balancing using detection Electricmotor car wheel, described
Unbalance mass, passes through on 5 left side of wheel to be detectedIt obtains, unbalance mass, on 5 right side of wheel to be detected
Pass throughIt obtains,
Wherein,Indicate the unbalance mass, in dynamic balancing detection on 5 left side of wheel to be detected,Indicate dynamic balancing
Unbalance mass, in detection on 5 right side of wheel to be detected.
Claims (2)
1. using the method for unbalance mass, in the balance machine testing dynamic balancing of detection Electricmotor car wheel, the detection electric bicycle
The balancing machine of wheel includes pedestal (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 pedestal (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 the main shaft both ends of wheel to be detected (5) respectively, be also used 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 that will test is uploaded to processing
Device (2-1),
Processor (2-1) is also used to pass through for receiving the phase signal of the output of the Hall sensor in wheel to be detected (5)
Controller (2-2) drives the motor rotation in wheel (5) to be detected,
Processor (2-1) handles received dynamic pressure and phase signal, and processing result is carried out by display (3)
Display；
Each supporting mechanism (4) includes that sheath (4-1), vibration rocker (4-2) and piezoelectric transducer (4-3), sheath (4-1) cover
Vibrate rocker (4-2) outside, the top of vibration rocker (4-2) is equipped with card slot (4-2-1), and the card slot (4-2-1) is to be checked for lifting
The main shaft of measuring car wheel (5), and card slot (4-2-1) it is exposed sheath (4-1) outside,
Vibrating rocker (4-2) is that hollow type vibrates rocker,
Piezoelectric transducer (4-3) is extruded 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；
Each supporting mechanism (4) further includes potentiometer support (4-4), potentiometer (4-5) and point type laser (4-6)；
Potentiometer support (4-4), potentiometer (4-5) and the point type laser (4-6) is respectively positioned in sheath (4-1), current potential
Device bracket (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 rotation axis of potentiometer (4-5) is fixedly connected with point type laser (4-6)；
It is offered on sheath (4-1) open slot (4-1-1), the laser that point type laser (4-6) issues is penetrated from open slot (4-1-1)
Out；
It is characterized in that, the method for unbalance mass, includes the following steps: in the detection dynamic balancing
Step B1: the main shaft both 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 (4-
6) the vertical range C between is stored in processor (2-1), is oppositely arranged the exit portal of two point type lasers (4-6)；
Step B2: making first point type laser (4-6) shoot laser, horizontally rotate first point type laser (4-6), makes
The laser of one point type laser (4-6) outgoing gets to the outer edge of the steel ring of wheel to be detected (5), first point type laser
The rotation of (4-6) drives first potentiometer (4-5) rotation where it, to make first potentiometer (4-5) output telecommunications
Number to processor (2-1), processor (2-1) exports electric signal according to first potentiometer (4-5), obtains first point type laser
The inswept angle A of laser of device (4-6) outgoing, processor (2-1) further according toA is obtained,
Wherein, a is vertical between the side of the adjacent wheel to be detected (5) of the main shaft of first point type laser (4-6)
Distance, L1 are the vertical range between the centre bore and first point type laser (4-6) of wheel to be detected (5)；
Step B3: making second point type laser (4-6) shoot laser, horizontally rotate second point type laser (4-6), makes
The laser of two point type lasers (4-6) outgoing gets to the outer edge of the steel ring of wheel to be detected (5), second point type laser
The rotation of (4-6) drives second potentiometer (4-5) rotation, to make second potentiometer (4-5) output electric signal to processing
Device (2-1), processor (2-1) export electric signal according to second potentiometer (4-5), obtain second point type laser (4-6)
The angle B that the laser of outgoing is inswept, processor (2-1) further according toB is obtained,
Wherein, b is vertical between the side of the adjacent wheel to be detected (5) of the main shaft of second point type laser (4-6)
Distance, L2 are the vertical range between the centre bore and second point type laser (4-6) of wheel to be detected (5),
Step B4: hand drives the motor of wheel to be measured (5) to rotate by controller, will when wheel to be detected (5) stabilization of speed
The phase signal of Hall sensor 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 according to the deformation of the vibration rocker (4-2) where it, inspection
The dynamic pressure that vibration rocker (4-2) where measuring it is born
Piezoelectric transducer (4-3) on the right side of wheel (5) to be detected is detected according to the deformation of the vibration rocker (4-2) where it
The dynamic pressure that vibration rocker (4-2) where it is born
Processor (2-1) passes through following formula one:
It obtainsWith
Wherein,For on wheel to be detected (5) left side unbalance mass, generate centrifugal force,
For on wheel to be detected (5) right side unbalance mass, generate centrifugal force,
Step B5: the centrifugal force generated according to unbalance mass, on wheel to be detected (5) left sideIt is angular velocity omega, to be detected
The radius r of wheel (5) obtains unbalance mass, on wheel to be detected (5) left side；Further according to wheel to be detected (5) right side
The centrifugal force that upper unbalance mass, generatesThe radius r of angular velocity omega, wheel to be detected (5) obtains wheel to be detected (5) right side
Unbalance mass, on side, and unbalance mass, on wheel to be detected (5) left and right side is shown by display (3),
To complete the detection of unbalance mass, on two sides left and right to wheel to be detected (5) in dynamic balancing detection.
2. the side of unbalance mass, in the balance machine testing dynamic balancing according to claim 1 using detection Electricmotor car wheel
Method, which is characterized in that unbalance mass, passes through on described wheel to be detected (5) left sideIt obtains, it is to be detected
Unbalance mass, passes through on wheel (5) right sideIt obtains,
Wherein,Indicate the unbalance mass, in dynamic balancing detection on wheel (5) left side to be detected,Indicate dynamic balancing inspection
Unbalance mass, in survey on wheel (5) right side to be detected.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| CN109238564A (en) * | 2018-10-31 | 2019-01-18 | 山东汉正橡胶工业有限公司 | A kind of plain type tire dynamic and balance monitor station |
| CN109668686A (en) * | 2018-12-12 | 2019-04-23 | 上海航天控制技术研究所 | A kind of dynamic balance measuring device and its method |
| CN110281713A (en) * | 2019-07-09 | 2019-09-27 | 上海安谊车轮有限公司 | It is a kind of using before wheel rim and tire dynamic and balance to putting matched wheel fitters skill |
| CN110940459A (en) * | 2019-11-14 | 2020-03-31 | 无为华美机动车安全检测有限公司 | Automobile wheel static balance detection platform |
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| FR2326696A1 (en) * | 1975-10-02 | 1977-04-29 | Facom | MACHINE FOR BALANCING VEHICLE WHEELS |
| CN2478196Y (en) * | 2001-03-30 | 2002-02-20 | 西安交通大学 | Intelligent teaching test dynamic balancing machine |
| DE10257907B4 (en) * | 2002-12-11 | 2011-09-29 | Snap-On Equipment Gmbh | Method and apparatus for checking the uniformity of a pneumatic tire |
| CN201207008Y (en) * | 2008-05-13 | 2009-03-11 | 重庆宗申技术开发研究有限公司 | Crank-shaft dynamic balancing machine |
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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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