CN116753847B - Metal belt steel ring measuring device for continuously variable transmission - Google Patents
Metal belt steel ring measuring device for continuously variable transmission Download PDFInfo
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- CN116753847B CN116753847B CN202311047068.0A CN202311047068A CN116753847B CN 116753847 B CN116753847 B CN 116753847B CN 202311047068 A CN202311047068 A CN 202311047068A CN 116753847 B CN116753847 B CN 116753847B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 165
- 239000010959 steel Substances 0.000 title claims abstract description 165
- 239000002184 metal Substances 0.000 title claims abstract description 149
- 230000005540 biological transmission Effects 0.000 title claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 81
- 238000004088 simulation Methods 0.000 claims abstract description 15
- 238000013112 stability test Methods 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims abstract description 3
- 230000002159 abnormal effect Effects 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 29
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 17
- 238000004422 calculation algorithm Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 20
- 238000012360 testing method Methods 0.000 abstract description 11
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 238000004364 calculation method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a metal belt steel ring measuring device for a continuously variable transmission, which relates to the technical field of automobile part measurement and comprises a steel belt wheel simulation device, an isolated power device, a size detection device and a running stability detection device, wherein the steel belt wheel simulation device comprises a power sprocket and a driven sprocket, and a metal belt steel ring to be measured is assembled on the power sprocket and the driven sprocket. The invention adopts the isolation type power device to provide power for the power sprocket, avoids the subsequent stability test result of the sound infection of the power device, adopts the size detection device to realize the detection of the static size of the metal belt steel ring to be tested, solves the technical problem that the prior art can not automatically realize the measurement of the width, the thickness and the perimeter of the metal belt steel ring to be tested, and simultaneously can realize the stability test of the metal belt steel ring to be tested based on the running sound and the running picture of the metal belt steel ring to be tested under the dynamic state of the metal belt steel ring to be tested, so that the factory test of the metal belt steel ring to be tested is more perfect.
Description
Technical Field
The invention relates to the technical field of automobile part measurement, in particular to a metal belt steel ring measuring device for a continuously variable transmission.
Background
The steel belt type continuously variable transmission is a transmission which performs continuously variable transmission by utilizing the diameter change of a steel belt on a steel belt wheel. The steel belt type stepless speed variator is the key to realize CVT technology, i.e. stepless speed variator technology, which adopts the cooperation of a driving belt and a driving wheel and a driven wheel with variable working diameters to transmit power, and can realize continuous change of the transmission ratio, thereby obtaining the optimal matching of the driving system and the working condition of an engine.
The steel belt type continuously variable transmission is widely applied to the fields of vehicles, engineering machinery, agricultural machinery, power generation equipment and other industries, and the most widely applied field of automobiles is a metal belt type continuously variable transmission. The core transmission part is a metal belt steel ring which is a flexible metal closed-loop element and has high tensile strength.
Since the metal belt steel ring is a key component and a wearing part for the continuously variable transmission, the metal belt steel ring is particularly important for factory detection of the metal belt steel ring.
The invention patent with publication number of CN102721385A discloses a precise measuring device for the inner circumference of a metal belt steel ring of a core element for a continuously variable transmission, which comprises at least two mounting plates of a piece to be measured, wherein at least one mounting plate of the piece to be measured is mounted on a base through a linear guide rail or a linear bearing, the basic shape of the mounting plate of the piece to be measured is a semicircular disk shape, and the side surface of the mounting plate of the piece to be measured is provided with at least two flanges distributed along the circumferential direction or two groups of bulges distributed along the circumferential direction respectively, wherein the protruding height of at least one flange or bulge is larger than that of the other flange or bulge. The method solves the problem that the circumference of the metal belt steel ring is difficult to precisely detect, calibrate and group in the prior art, and is mainly applied to the production and test of the metal belt for the continuously variable transmission.
However, the above-mentioned detection device mainly focuses on the problems of perimeter detection and calibration grouping, and cannot solve the problem of detection of running stability of the metal belt steel ring, so that a more comprehensive assessment of the departure performance cannot be made.
Disclosure of Invention
The invention provides a metal belt steel ring measuring device for a continuously variable transmission, which aims to solve the technical problem of delivery comprehensive detection of a metal belt steel ring. The following technical scheme is adopted:
the utility model provides a metal strap steel loop measuring device for continuously variable transmission, includes steel band pulley analogue means, isolated power device, size detection device and operation stationarity detection device, steel band pulley analogue means includes power sprocket and driven sprocket, and the metal strap steel loop that awaits measuring is assembled on power sprocket and driven sprocket, isolated power device's power output is connected with power sprocket transmission for drive power sprocket rotates according to settlement speed and acceleration, size detection device is used for detecting the static size of metal strap steel loop that awaits measuring, operation stationarity detection device gathers operation sound and operation picture under the metal strap steel loop developments that awaits measuring, carries out stationarity analysis based on operation sound and operation picture and awaits measuring metal strap steel loop, and output stationarity test analysis result.
Through adopting above-mentioned technical scheme, steel band wheel analogue means can simulate the installation environment of metal band steel loop that awaits measuring, adopt isolated power device to provide power for power sprocket, avoid power device's sound to infect subsequent stationarity test result, adopt size detection device can realize the static size's of metal band steel loop that awaits measuring detection, including width, thickness and girth, the technical problem of the width of solving the prior art unable automatic realization metal band steel loop that awaits measuring, thickness, girth measurement is solved, operation sound and running picture under the metal band steel loop dynamic that awaits measuring can be realized carrying out the stationarity test for the metal band steel loop that awaits measuring simultaneously, make the test of leaving the factory of metal band steel loop that awaits measuring more perfect, provide better data support for the operation and the life-span of follow-up metal band steel loop that awaits measuring.
Optionally, steel band wheel analogue means is including installation baffle, power sprocket, driven sprocket, main bearing frame, transmission shaft and driven shaft bearing, the installation baffle is the L shaped plate, and one side of installation baffle is installed subaerial, and the another side is equipped with initiative bearing installation position and driven bearing installation position, the main bearing seat assembly is in initiative bearing installation position, driven shaft bearing frame installs in driven bearing installation position, and when the metal band steel loop that awaits measuring was assembled on power sprocket, the driven sprocket, the upper surface is the horizontality, isolated power plant's power take off end passes through the transmission shaft and is connected with power sprocket transmission.
Through adopting above-mentioned technical scheme, the installation baffle provides the installation position for whole device, adopts L shaped plate, and one of them L limit is grounded, provides the basis, and the another side separates metal strap steel loop and isolated power device that awaits measuring, avoids the noise that isolated power device produced to influence subsequent stationarity test result.
Optionally, the steel belt wheel simulation device further comprises a driven wheel tensioning assembly, the driven bearing installation position is a long-position hole, the driven wheel tensioning assembly comprises a rectangular frame and an automatic tensioner, a tensioning track is arranged on an inner frame of the rectangular frame, an outer frame is assembled at the long-position hole, the automatic tensioner is arranged at the inner frame of the rectangular frame and located at the tensioning track to move left and right, and the driven sprocket is assembled in the automatic tensioner and moves left and right under the driving of the automatic tensioner to complete the tensioning action of the steel ring of the metal belt to be tested.
Optionally, the steel belt wheel simulation device further comprises a tensioning controller, wherein the tensioning controller is arranged on the installation partition plate and used for controlling the execution action and tensioning force adjustment of the automatic tensioner, and the tensioning controller is realized based on the singlechip.
Through adopting above-mentioned technical scheme, from driving wheel tensioning assembly is for the assembly that can be applicable to the metal strap steel loop that awaits measuring of different specification sizes, and when the assembly, automatic tensioning ware can be hydraulic pressure tensioning ware or electronic tensioning ware, can loosen through tensioning controller control automatic tensioning ware, after the cover metal strap steel loop that awaits measuring, stretch in through automatic tensioning ware, still can adjust the tensioning force as required to the better operating condition of simulation metal strap steel loop that awaits measuring.
Optionally, the isolated power device comprises a servo motor, a servo controller and a motor controller based on a singlechip, wherein the power output end of the servo motor is in transmission connection with a power sprocket through a transmission shaft, the motor controller controls the execution action of the servo motor through the servo controller, and the motor controller is arranged on the installation partition board.
Through adopting above-mentioned technical scheme, adopt servo motor to realize power take off to provide the motor controller based on singlechip and realize more convenient rotational speed and power's regulation, can also be at servo motor external sound insulation box.
Optionally, the size detection device includes mount pad, first electric telescopic machanism, measurement seat, laser thickness measurement and width measurement module, girth detection module and industry touch-sensitive screen, one side of mount pad is fixed on the installation baffle, first electric telescopic machanism's base mounting is at the opposite side of mount pad, the measurement seat is the C shaped plate, and the telescopic link tip at first electric telescopic machanism is installed to the bottom of measurement seat, when the telescopic link stretches out, the C shape opening of measurement seat inserts the metal strap steel ring upper portion that awaits measuring of assembly on power sprocket, driven sprocket, laser thickness measurement and width measurement module sets up on the measurement seat for measure thickness and width dimension of metal strap steel ring that awaits measuring, girth detection module includes displacement sensor and girth detection chip, displacement sensor sets up in the inside casing department of rectangle frame, be used for measuring automatic tensioner's displacement volume, girth detection chip and displacement volume based on automatic tensioner calculates the girth value that awaits measuring metal strap steel ring under the tensioning state, industry touch-sensitive screen sets up on the installation baffle, respectively with measurement and width measurement module, be used for the communication connection result.
Optionally, laser thickness measurement and width measurement module includes first laser emitter, second electronic telescopic machanism, third laser emitter, fourth laser emitter and size detection chip, first laser emitter, second laser emitter and fourth laser emitter set up respectively on measuring the C shape opening inner wall of seat, and first laser emitter, second laser emitter set up relatively from top to bottom, second electronic telescopic machanism sets up in measuring the opening one side of seat, the third laser emitter sets up the telescopic link tip at second electronic telescopic machanism, and when the telescopic link of second electronic telescopic machanism stretches out, the laser beam that the third laser emitter sent is sheltered from by the side of metal strap steel ring that awaits measuring, size detection chip respectively with first laser emitter, second laser emitter, third laser emitter and fourth laser emitter communication connection for calculate thickness and the width of metal strap steel ring that awaits measuring, and with industry touch-sensitive screen communication connection, transmission thickness and width data.
By adopting the technical scheme, the design thought of the size detection device is realized by adopting a semi-wrapped C-shaped measuring seat, after the assembly of the metal belt steel ring to be detected is completed, the expansion link of the first electric telescopic mechanism can be controlled to extend, the C-shaped opening of the measuring seat is inserted into the metal belt steel ring to be detected and wrapped, the expansion link of the second electric telescopic mechanism is controlled to extend until the laser beam emitted by the third laser emitter is shielded by the side face of the metal belt steel ring to be detected, at the moment, the data of the first laser emitter and the second laser emitter are used for the size detection chip to calculate the thickness of the metal belt steel ring to be detected, the data of the third laser emitter and the fourth laser emitter are used for the size detection chip to calculate the width of the metal belt steel ring to be detected, the calculation principle is similar to that of a laser thickness meter on the market, the calculation result of the size detection chip is transmitted to an industrial touch screen, and the industrial touch screen displays the size detection result, and staff judges whether the size is qualified or not according to the display result and standard data;
the circumference detection module is based on the detection principle that the circumference detection chip is realized based on displacement sensor data in a standard state, in the initial state of the automatic tensioner, the circumference of the metal belt steel ring to be detected at the moment can be calculated by measuring the center distance between the power sprocket and the driven sprocket and matching the diameters of the power sprocket and the driven sprocket, after the metal belt steel ring to be detected is assembled, the position of the automatic tensioner deviates, at the moment, the circumference detection chip can realize the calculation of the inner circumference of the metal belt steel ring to be detected according to the data of the displacement sensor, and then the outer circumference is calculated according to the thickness value.
Optionally, the operation stationarity detection device includes support, vision camera, radio microphone, vision chip and abnormal sound detection module, the one end of support is fixed on the installation baffle, vision camera and radio microphone set up respectively at the other end of support to just to the central part of metal strap steel loop that awaits measuring under the tensioning state, the vision camera shoots the running picture of metal strap steel loop that awaits measuring, and transmits to the vision chip, and the radio microphone adopts the running sound of metal strap steel loop that awaits measuring and transmits to the abnormal sound detection module, vision chip and abnormal sound detection module respectively with industry touch-sensitive screen communication connection.
Optionally, the abnormal sound detection module is an abnormal sound detector.
Through adopting above-mentioned technical scheme, operation stationarity detection device adopts abnormal sound to detect and picture to detect two aspects to realize, and abnormal sound detector can judge whether there is the abnormal sound according to the running sound of metal strap steel loop that awaits measuring, and the standard of abnormal sound can be the decibel value, also can be the abnormal sound of aperiodic frequency, and abnormal sound detector shows abnormal sound testing result through industrial touch screen, and the staff can judge the abnormal sound reason according to the display content, therefore makes the evaluation to the stationarity of treating the metal strap steel loop.
Optionally, the visual chip analyzes the running stability of the metal belt steel ring to be tested based on an image feature difference comparison algorithm, the image feature difference comparison algorithm is to extract the side face of the metal belt steel ring to be tested based on a SURF algorithm as a comparison feature, an image difference threshold y is set, a picture of a region to be compared of the side face of the static metal belt steel ring to be tested in a tensioning state is set to be P1, a picture of the region to be compared of the side face of the metal belt steel ring to be tested in a transmission state is Pn, n represents the rotating speed, the feature difference calculated by the image feature difference comparison algorithm is x, if x is larger than y, the visual chip outputs a result of disqualification of the stability test of the metal belt steel ring to be tested to the industrial touch screen, and outputs P1 and Pn picture data.
By adopting the technical scheme, the image characteristic difference comparison algorithm can firstly extract the picture of the region to be compared of the side surface of the metal belt steel ring to be tested, the picture can be a part of a set size, for example, the picture can be a part of a middle region, shake can occur in the region of the metal belt steel ring to be tested inevitably under different rotating speeds, the characteristic difference is x based on the image difference calculation of the offset under the shake state, if x is larger than y, the shake state is considered to be too large, and therefore, the unqualified result judgment of the stability test of the metal belt steel ring to be tested can be made, and the intelligent running stability test of the metal belt steel ring is realized.
In summary, the present invention includes at least one of the following beneficial technical effects:
the invention can provide a metal belt steel ring measuring device for a continuously variable transmission, adopts an isolated power device to provide power for a power sprocket, avoids the subsequent stability test result of sound infection of the power device, adopts a size detecting device to realize the detection of the static size of the metal belt steel ring to be measured, solves the technical problem that the prior art can not automatically realize the measurement of the width, thickness and circumference of the metal belt steel ring to be measured, and can realize the stability test of the metal belt steel ring to be measured based on the running sound and running picture of the metal belt steel ring to be measured under the dynamic state, so that the factory test of the metal belt steel ring to be measured is more perfect, and provides better data support for the running and service life of the subsequent metal belt steel ring to be measured.
Drawings
FIG. 1 is a schematic view of the structural principle of a metal belt steel ring measuring device for a continuously variable transmission according to the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic view showing a non-detection state structure of the size detection apparatus of the present invention;
FIG. 4 is a schematic view showing a detection state structure of the size detection apparatus of the present invention;
fig. 5 is a schematic diagram of the connection principle of the electric device of the metal belt steel ring measuring device for the continuously variable transmission.
Reference numerals illustrate: 11. a power sprocket; 12. a driven sprocket; 13. installing a partition board; 15. a transmission shaft; 171. a rectangular frame; 172. an automatic tensioner; 173. a tension controller; 21. a servo motor; 22. a servo controller; 23. a motor controller; 31. a mounting base; 32. a first electric telescopic mechanism; 33. a measuring seat; 34. a displacement sensor; 35. a perimeter detection chip; 36. an industrial touch screen; 37. a first laser transmitter; 38. a second laser transmitter; 39. a second electric telescopic mechanism; 40. a third laser transmitter; 41. a fourth laser transmitter; 42. a size detection chip; 51. a bracket; 52. a vision camera; 53. a radio microphone; 54. a vision chip; 55. abnormal sound detection module; 100. and a metal belt steel ring to be measured.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the invention discloses a metal belt steel ring measuring device for a continuously variable transmission.
Referring to fig. 1 to 5, embodiment 1, a metal belt steel ring measuring device for a continuously variable transmission comprises a steel belt wheel simulation device, an isolated power device, a size detection device and an operation stability detection device, wherein the steel belt wheel simulation device comprises a power sprocket 11 and a driven sprocket 12, a metal belt steel ring 100 to be measured is assembled on the power sprocket 11 and the driven sprocket 12, a power output end of the isolated power device is in transmission connection with the power sprocket 11 and is used for driving the power sprocket 11 to rotate according to a set speed and an acceleration, the size detection device is used for detecting the static size of the metal belt steel ring 100 to be measured, the operation stability detection device is used for collecting operation sound and operation pictures under the dynamic state of the metal belt steel ring 100 to be measured, carrying out stability analysis on the metal belt steel ring to be measured based on the operation sound and the operation pictures, and outputting a stability test analysis result.
The steel belt wheel simulation device can simulate the installation environment of the metal belt steel ring 100 to be tested, the power sprocket 11 is provided with power by adopting the isolation type power device, the subsequent stability test result of sound infection of the power device is avoided, the detection of the static size of the metal belt steel ring 100 to be tested can be realized by adopting the size detection device, the detection comprises width, thickness and circumference, the technical problem that the measurement of the width, thickness and circumference of the metal belt steel ring 100 to be tested cannot be automatically realized in the prior art is solved, meanwhile, the stability test for the metal belt steel ring 100 to be tested can be realized based on the running sound and the running picture of the metal belt steel ring 100 to be tested, the factory test of the metal belt steel ring 100 to be tested is more perfect, and better data support is provided for the running and service life of the metal belt steel ring 100 to be tested subsequently.
Embodiment 2, steel band wheel analogue means includes installation baffle 13, power sprocket 11, driven sprocket 12, main bearing frame, transmission shaft 15 and driven bearing frame, installation baffle 13 is the L shaped plate, and one side of installation baffle 13 is installed subaerial, and the another side is equipped with initiative bearing mount pad and driven bearing mount pad, and the main bearing seat is assembled in initiative bearing mount pad, and driven bearing mount pad installs in driven bearing mount pad, and when the metal band steel loop 100 that awaits measuring was assembled on power sprocket 11, driven sprocket 12, the upper surface was the horizontality, and isolated power plant's power take off end passes through transmission shaft 15 and is connected with power sprocket 11 transmission.
The installation baffle 13 provides the installation position for whole device, adopts L shaped plate, and one of them L limit is earthed, provides the basis, and the another side separates metal strap steel loop 100 that awaits measuring and isolated power device, avoids isolated power device to produce the noise to influence subsequent stationarity test result.
Embodiment 3, the steel belt wheel simulation device further comprises a driven wheel tensioning assembly, the driven wheel bearing installation position is a long position hole, the driven wheel tensioning assembly comprises a rectangular frame 171 and an automatic tensioner 172, a tensioning rail is arranged in the inner frame of the rectangular frame 171, the outer frame is assembled at the long position hole, the automatic tensioner 172 is arranged at the inner frame of the rectangular frame 171 and is located at the tensioning rail to move left and right, the driven sprocket 12 is assembled in the automatic tensioner 172 and moves left and right under the driving of the automatic tensioner 172, and the tensioning action of the steel ring 100 of the metal belt to be tested is completed.
In embodiment 4, the steel belt wheel simulation device further comprises a tensioning controller 173, wherein the tensioning controller 173 is arranged on the installation partition 13 and is used for controlling the execution action and tensioning force adjustment of the automatic tensioner 172, and the tensioning controller 173 is realized based on a single chip microcomputer.
The driven wheel tensioning assembly is suitable for assembling metal belt steel rings 100 to be tested with different specifications and sizes, when the driven wheel tensioning assembly is assembled, the automatic tensioner 172 can be a hydraulic tensioner or an electric tensioner, the automatic tensioner 172 can be controlled to be loosened through the tensioning controller 173, after the metal belt steel rings 100 to be tested are sleeved, the tensioning force can be adjusted according to requirements through the automatic tensioner 172, and therefore the working state of the metal belt steel rings 100 to be tested can be better simulated.
In embodiment 5, the isolated power device comprises a servo motor 21, a servo controller 22 and a motor controller 23 based on a single chip microcomputer, wherein the power output end of the servo motor 21 is in transmission connection with the power sprocket 11 through a transmission shaft 15, the motor controller 23 controls the execution action of the servo motor 21 through the servo controller 22, and the motor controller 23 is arranged on the installation partition 13.
The servo motor 21 is adopted to realize power output, a motor controller 23 based on a single chip microcomputer is provided to realize more convenient adjustment of rotating speed and power, and a sound insulation box can be arranged outside the servo motor 21.
In embodiment 6, the size detecting device comprises a mounting seat 31, a first electric telescopic mechanism 32, a measuring seat 33, a laser thickness and width measuring module, a perimeter detecting module and an industrial touch screen 36, wherein one side of the mounting seat 31 is fixed on a mounting partition 13, a base of the first electric telescopic mechanism 32 is mounted on the other side of the mounting seat 31, the measuring seat 33 is a C-shaped plate, the bottom of the measuring seat 33 is mounted on the telescopic rod end of the first electric telescopic mechanism 32, when the telescopic rod stretches out, a C-shaped opening of the measuring seat 33 is inserted into the upper part of a metal belt 100 to be detected assembled on a power sprocket 11 and a driven sprocket 12, the laser thickness and width measuring module is arranged on the measuring seat 33 and used for measuring the thickness and width dimensions of the metal belt 100 to be detected, the perimeter detecting module comprises a displacement sensor 34 and a perimeter detecting chip 35, the displacement sensor 34 is arranged at the inner frame of the rectangular frame 171 and used for measuring the displacement of the automatic tensioner 172, the perimeter detecting chip 35 is in communication connection with the displacement sensor 34, the industrial touch screen 36 is arranged on the mounting partition 13 and used for displaying the result of the measurement of the metal belt 100 in a tensioned state.
In embodiment 7, the laser thickness measuring and width measuring module includes a first laser emitter 37, a second laser emitter 38, a second electric telescopic mechanism 39, a third laser emitter 40, a fourth laser emitter 41 and a size detection chip 42, wherein the first laser emitter 37, the second laser emitter 38 and the fourth laser emitter 41 are respectively arranged on the inner wall of the C-shaped opening of the measuring base 33, the first laser emitter 37 and the second laser emitter 38 are oppositely arranged up and down, the second electric telescopic mechanism 39 is arranged on one side of the opening of the measuring base 33, the third laser emitter 40 is arranged at the end part of the telescopic rod of the second electric telescopic mechanism 39, when the telescopic rod of the second electric telescopic mechanism 39 stretches out, the laser beam emitted by the third laser emitter 40 is blocked by the side face of the metal band steel ring 100 to be measured, and the size detection chip 42 is respectively in communication connection with the first laser emitter 37, the second laser emitter 38, the third laser emitter 40 and the fourth laser emitter 41 for calculating the thickness and the width of the metal band steel ring 100 to be measured and in communication connection with the industrial touch screen 36, and transmitting the thickness and width data.
The design idea of the size detection device is realized by adopting a semi-wrapped C-shaped measuring seat 33, when the assembly of the metal belt steel ring 100 to be detected is completed, the expansion link of the first electric expansion mechanism 32 can be controlled to extend, the C-shaped opening of the measuring seat 33 is inserted into the metal belt steel ring 100 to be detected and wrapped, the expansion link of the second electric expansion mechanism 39 is controlled to extend until the laser beams emitted by the third laser emitter 40 are shielded by the side face of the metal belt steel ring 100 to be detected, at the moment, the data of the first laser emitter 37 and the second laser emitter 38 are used for the size detection chip 42 to calculate the thickness of the metal belt steel ring 100 to be detected, the data of the third laser emitter 40 and the fourth laser emitter 41 are used for the size detection chip 42 to calculate the width of the metal belt steel ring 100 to be detected, the calculation principle is similar to that of a laser thickness meter on the market, the calculation result of the size detection chip 42 is transmitted to the industrial touch screen 36, the industrial touch screen 36 displays the size detection result, and staff judges whether the size is qualified or not according to the display result and standard data.
The circumference detection principle of the circumference detection module is that the circumference detection chip 35 is realized based on the data of the displacement sensor 34 in the standard state, the center distance between the power sprocket 11 and the driven sprocket 12 can be measured in the initial state of the automatic tensioner 172, the diameters of the power sprocket 11 and the driven sprocket 12 are matched, the circumference of the metal belt steel ring 100 to be detected at the moment can be calculated, when the metal belt steel ring 100 to be detected is assembled, the position of the automatic tensioner 172 shifts, at the moment, the circumference detection chip 35 can realize the calculation of the inner circumference of the metal belt steel ring 100 to be detected according to the data of the displacement sensor 34, and then the outer circumference can be calculated according to the thickness value.
In embodiment 8, the running stability detecting device comprises a bracket 51, a visual camera 52, a radio microphone 53, a visual chip 54 and an abnormal sound detecting module 55, wherein one end of the bracket 51 is fixed on the installation partition 13, the visual camera 52 and the radio microphone 53 are respectively arranged at the other end of the bracket 51 and are opposite to the central part of the metal band steel ring 100 to be detected under the tensioning state, the visual camera 52 shoots the running picture of the metal band steel ring 100 to be detected and transmits the running picture to the visual chip 54, the radio microphone 53 collects the running sound of the metal band steel ring 100 to be detected and transmits the running sound to the abnormal sound detecting module 55, and the visual chip 54 and the abnormal sound detecting module 55 are respectively in communication connection with the industrial touch screen 36.
The abnormal sound detection module 55 is an abnormal sound detector.
The operation stability detection device is realized by adopting two aspects of abnormal sound detection and picture detection, the abnormal sound detector can judge whether abnormal sound exists according to the operation sound of the metal belt steel ring 100 to be detected, the abnormal sound can be a decibel value as a standard, abnormal sound with non-periodic frequency can also be generated, the abnormal sound detector displays the abnormal sound detection result through the industrial touch screen 36, and staff can judge the cause of the abnormal sound according to the display content, so that the stability of the metal belt steel ring 100 to be detected is evaluated.
In embodiment 9, the visual chip 54 analyzes the running stability of the metal strip steel ring 100 to be tested based on the image feature difference comparison algorithm, wherein the image feature difference comparison algorithm is to extract the side surface of the metal strip steel ring 100 to be tested based on the SURF algorithm as the comparison feature, set the image difference threshold y, set the picture of the region to be compared of the side surface of the static metal strip steel ring 100 to be tested in the tensioning state as P1, set the picture of the region to be compared of the side surface of the metal strip steel ring 100 to be tested in the transmission state as Pn, and n represents the rotation speed, the feature difference calculated by the image feature difference comparison algorithm is x, if x is greater than y, the visual chip 54 outputs the unqualified result of the stability test of the metal strip steel ring 100 to be tested to the industrial touch screen 36, and outputs the picture data of P1 and Pn.
The image feature difference comparison algorithm can firstly extract the image of the region to be compared of the side surface of the metal belt steel ring 100 to be tested, the image can be a part of a set size, for example, the image can be a middle region, shake can occur in the region of the metal belt steel ring 100 to be tested inevitably under different rotating speeds, the feature difference is x based on the image difference calculation of the offset in the shake state, if x is larger than y, the shake state is considered to be too large, and therefore, the unqualified result judgment of the stability test of the metal belt steel ring 100 to be tested can be made, and the intelligent metal belt steel ring running stability test is realized.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention, so that all equivalent changes in structure, shape and principle of the invention are intended to be covered by the scope of the invention.
Claims (5)
1. A metal belt steel ring measuring device for a continuously variable transmission is characterized in that: the device comprises a steel belt wheel simulation device, an isolated power device, a size detection device and an operation stability detection device, wherein the steel belt wheel simulation device comprises a power sprocket (11) and a driven sprocket (12), a metal belt steel ring to be detected (100) is assembled on the power sprocket (11) and the driven sprocket (12), a power output end of the isolated power device is in transmission connection with the power sprocket (11) and is used for driving the power sprocket (11) to rotate according to a set speed and an acceleration, the size detection device is used for detecting the static size of the metal belt steel ring to be detected (100), and the operation stability detection device is used for collecting operation sound and operation pictures of the metal belt steel ring to be detected (100) under the dynamic state, carrying out stability analysis on the metal belt steel ring to be detected based on the operation sound and the operation pictures and outputting stability test analysis results;
the steel belt wheel simulation device comprises a mounting partition plate (13), a power sprocket (11), a driven sprocket (12), a main bearing seat, a transmission shaft (15) and a driven bearing seat, wherein the mounting partition plate (13) is an L-shaped plate, one side of the mounting partition plate (13) is mounted on the ground, a driving bearing mounting position and a driven bearing mounting position are arranged on the other side of the mounting partition plate, the main bearing seat is assembled at the driving bearing mounting position, the driven bearing seat is mounted at the driven bearing mounting position, when a metal belt steel ring (100) to be tested is assembled on the power sprocket (11) and the driven sprocket (12), the upper surface is in a horizontal state, and the power output end of the isolation type power device is in transmission connection with the power sprocket (11) through the transmission shaft (15);
the steel belt wheel simulation device further comprises a driven wheel tensioning assembly, a driven bearing mounting position is a long-position hole, the driven wheel tensioning assembly comprises a rectangular frame (171) and an automatic tensioner (172), a tensioning track is arranged in an inner frame of the rectangular frame (171), an outer frame is assembled at the long-position hole, the automatic tensioner (172) is arranged at the inner frame of the rectangular frame (171) and is positioned at the tensioning track to move left and right, and a driven sprocket (12) is assembled in the automatic tensioner (172) and moves left and right under the driving of the automatic tensioner (172) to complete the tensioning action of a metal belt steel ring (100) to be tested;
the steel belt wheel simulation device further comprises a tensioning controller (173), wherein the tensioning controller (173) is arranged on the installation partition plate (13) and used for controlling the execution action and tensioning force adjustment of the automatic tensioner (172), and the tensioning controller (173) is realized based on a single chip microcomputer;
the isolated power device comprises a servo motor (21), a servo controller (22) and a motor controller (23) based on a single chip microcomputer, wherein the power output end of the servo motor (21) is in transmission connection with a power sprocket (11) through a transmission shaft (15), the motor controller (23) controls the execution action of the servo motor (21) through the servo controller (22), and the motor controller (23) is arranged on an installation partition plate (13);
the size detection device comprises a mounting seat (31), a first electric telescopic mechanism (32), a measuring seat (33), a laser thickness measuring and width measuring module, a perimeter detection module and an industrial touch screen (36), wherein one side of the mounting seat (31) is fixed on a mounting partition plate (13), a base of the first electric telescopic mechanism (32) is arranged on the other side of the mounting seat (31), the measuring seat (33) is a C-shaped plate, the bottom of the measuring seat (33) is arranged at the end part of a telescopic rod of the first electric telescopic mechanism (32), when the telescopic rod stretches out, a C-shaped opening of the measuring seat (33) is inserted into the upper part of a metal belt steel ring (100) to be detected, which is assembled on a power sprocket (11) and a driven sprocket (12), the laser thickness measuring and width measuring module is arranged on the measuring seat (33) and is used for measuring the thickness and the width of the metal belt steel ring (100) to be measured, the circumference detecting module comprises a displacement sensor (34) and a circumference detecting chip (35), the displacement sensor (34) is arranged at the inner frame of the rectangular frame (171) and is used for measuring the displacement of the automatic tensioner (172), the circumference detecting chip (35) is in communication connection with the displacement sensor (34), the circumference value of the metal belt steel ring (100) to be measured in the tensioned state is calculated based on the displacement of the automatic tensioner (172), the industrial touch screen (36) is arranged on the mounting partition plate (13), and the device is respectively in communication connection with the laser thickness measuring and width measuring module and the perimeter detecting module and is used for displaying the measuring result.
2. The metal belt steel ring measuring device for a continuously variable transmission according to claim 1, wherein: the laser thickness measuring and width measuring module comprises a first laser emitter (37), a second laser emitter (38), a second electric telescopic mechanism (39), a third laser emitter (40), a fourth laser emitter (41) and a size detection chip (42), wherein the first laser emitter (37), the second laser emitter (38) and the fourth laser emitter (41) are respectively arranged on the inner wall of a C-shaped opening of a measuring seat (33), the first laser emitter (37) and the second laser emitter (38) are oppositely arranged up and down, the second electric telescopic mechanism (39) is arranged on one side of the opening of the measuring seat (33), the third laser emitter (40) is arranged at the end part of a telescopic rod of the second electric telescopic mechanism (39), when the telescopic rod of the second electric telescopic mechanism (39) stretches out, a laser beam emitted by the third laser emitter (40) is blocked by the side face of a metal belt steel ring (100) to be measured, and the size detection chip (42) is respectively connected with the first laser emitter (37), the second laser emitter (38), the third laser emitter (40) and the fourth laser emitter (41) in a communication mode, and is used for calculating the thickness of the metal belt (100) and the thickness of the touch screen, and the thickness of the touch screen is connected with the metal belt (36) in a communication mode.
3. The metal belt steel ring measuring device for a continuously variable transmission according to claim 2, wherein: the running stability detection device comprises a support (51), a visual camera (52), a radio microphone (53), a visual chip (54) and an abnormal sound detection module (55), wherein one end of the support (51) is fixed on an installation partition plate (13), the visual camera (52) and the radio microphone (53) are respectively arranged at the other end of the support (51) and are opposite to the central part of a metal belt steel ring (100) to be detected in a tensioning state, the visual camera (52) shoots a running picture of the metal belt steel ring (100) to be detected and transmits the running picture to the visual chip (54), the radio microphone (53) collects running sound of the metal belt steel ring (100) to be detected and transmits the running sound to the abnormal sound detection module (55), and the visual chip (54) and the abnormal sound detection module (55) are respectively in communication connection with an industrial touch screen (36).
4. A metal belt steel ring measuring device for a continuously variable transmission according to claim 3, characterized in that: the abnormal sound detection module (55) is an abnormal sound detector.
5. A metal belt steel ring measuring device for a continuously variable transmission according to claim 3, characterized in that: the visual chip (54) analyzes the running stability of the metal belt steel ring (100) to be tested based on an image feature difference comparison algorithm, the image feature difference comparison algorithm is used for extracting the side face of the metal belt steel ring (100) to be tested based on a SURF algorithm to serve as a comparison feature, an image difference threshold y is set, a picture of a region to be compared of the side face of the static metal belt steel ring (100) to be tested in a tensioning state is set to be P1, a picture of the region to be compared of the side face of the metal belt steel ring (100) to be tested in a transmission state is Pn, n represents the rotating speed, the feature difference calculated by the image feature difference comparison algorithm is x, and if x is larger than y, the visual chip (54) outputs a result of disqualification of the stability test of the metal belt steel ring (100) to be tested to the industrial touch screen (36) and outputs P1 and Pn picture data.
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