CN215339451U - Friction coefficient measuring system of automobile transmission belt - Google Patents
Friction coefficient measuring system of automobile transmission belt Download PDFInfo
- Publication number
- CN215339451U CN215339451U CN202121330556.9U CN202121330556U CN215339451U CN 215339451 U CN215339451 U CN 215339451U CN 202121330556 U CN202121330556 U CN 202121330556U CN 215339451 U CN215339451 U CN 215339451U
- Authority
- CN
- China
- Prior art keywords
- personal computer
- industrial personal
- servo motor
- control system
- servo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a friction coefficient measuring system of an automobile transmission belt, which comprises an industrial personal computer control system, a tight side tension measuring system, a loose side tension measuring system, a servo motor power system and an external input/output signal control system. The utility model realizes the combination of software and hardware by operating special industrial personal computer and combining the prior belt wheel rotation method test mode, the user communicates with the system through a human-computer interaction interface and operates, the industrial personal computer is used for calculating the value of the belt transmission friction coefficient, and the curve of the friction force, the friction coefficient and the time is drawn according to the requirement. The utility model can not only improve the detection speed and the precision of the detection result, but also check the measurement data in real time and quickly send the control command, and meanwhile, the system can realize the storage of the measurement data and print the summary result, and has the advantages of large data storage amount and backtracking of the data.
Description
Technical Field
The utility model relates to the technical field of transmission belt quality detection, in particular to a friction coefficient measuring system of an automobile transmission belt.
Background
The belt drive is a mechanical motion, and is divided into a friction type belt drive and a synchronous belt drive according to different drive principles. An important parameter in the production design and application of the transmission belt is the friction coefficient of the transmission belt, and the friction coefficient of the transmission belt not only can help a user select a reasonable model to ensure the effectiveness of use when in use, but also can become an important investigation standard of a production enterprise when in structural design and raw material selection, and has certain value for promoting the diversified development of produced products and improving the product performance.
The friction belt has different material proportion, vulcanization temperature and pressure in the production and processing process, and even the belt specifications of the same model are not completely the same, so that the friction coefficient of the friction belt during transmission is accurately measured, and the friction belt has important help for improving the transmission performance, improving the bearing capacity and reducing the vibration and noise during transmission.
The concept of the coefficient of friction of a belt drive is the ratio of the friction force developed by the contact of the friction belt with the pulley during movement to the normal force acting on its surface. At present, most of devices for measuring the friction coefficient are based on an Euler formula, but the designed system is simpler, and factors influencing the friction coefficient, such as the rotating speed of a belt wheel, cannot be accurately controlled, so that the design of a control system capable of accurately measuring the transmission friction coefficient of the belt has important significance.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a friction coefficient measuring system for an automotive transmission belt, which measures the friction coefficient of the belt by using a pulley rotation method, and has accurate and stable measurement results.
In order to achieve the above object, the present invention employs the following:
a friction coefficient measuring system for an automotive transmission belt, comprising:
the industrial personal computer control system comprises an industrial personal computer and input and output equipment connected to the industrial personal computer, wherein the industrial personal computer is used for realizing human-computer interaction and data acquisition and analysis;
the tension measuring system I is connected with the industrial personal computer through a communication interface circuit I and used for receiving a tension collecting instruction sent by the industrial personal computer so as to control the tension sensor I to collect tension data of the tight side of the tested belt;
the slack side tension measuring system comprises a tension measuring system II and a testing clamp II carrying a tension sensor II, wherein the testing clamp II is connected with the other end of the measured belt, and the tension measuring system II is connected with an industrial personal computer through a communication interface circuit II and used for receiving a slack side tension collecting instruction sent by the industrial personal computer so as to control the tension sensor II to collect slack side tension data of the measured belt;
the servo motor power system comprises a transmission mechanism, a speed reducer, a servo motor, a servo driver and a servo control system which are sequentially connected, wherein the transmission mechanism is used for driving a tested belt to rotate, and the servo control system is connected with the industrial personal computer through a communication interface circuit III and used for receiving a servo motor control instruction sent by the industrial personal computer, so that the servo motor operates according to a set rotating speed and simultaneously measures the stroke of the servo motor;
and the external input/output signal control system comprises a manual control signal input button and an output control circuit which are connected with the industrial personal computer through the I/O control system.
Preferably, the industrial personal computer sends a stroke instruction of the servo motor to be operated to the servo control system through the communication interface circuit III, and when the stroke of the servo motor measured by the servo control system is consistent with the stroke of the servo motor set by the industrial personal computer, the servo control system controls the servo driver to stop the operation of the servo motor and returns a control instruction of stopping data acquisition to the industrial personal computer.
Preferably, the servo control system comprises a microcontroller, an optical isolation circuit I, an optical isolation circuit II, a photoelectric encoder conditioning circuit and a quadruple frequency circuit, the microcontroller is connected with the industrial personal computer through a communication interface circuit III, the optical isolation circuit I, the servo driver, the photoelectric encoder conditioning circuit, the optical isolation circuit II, the quadruple frequency circuit and the microcontroller are sequentially connected, and the optical isolation circuit I receives a driving pulse signal sent by the microcontroller.
Preferably, the input and output equipment comprises a keyboard, a mouse, a liquid crystal display and a printer, the input of the keyboard and the input of the mouse are connected with the industrial personal computer, and the industrial personal computer is connected with the liquid crystal display and the printer.
The utility model realizes the combination of software and hardware by operating special industrial personal computer and combining the prior belt wheel rotation method test mode, the user communicates with the system through a human-computer interaction interface and operates, the industrial personal computer is used for calculating the value of the belt transmission friction coefficient, and the curve of the friction force, the friction coefficient and the time is drawn according to the requirement. The utility model can not only improve the detection speed and the precision of the detection result, but also check the measurement data in real time and quickly send the control command, and meanwhile, the system can realize the storage of the measurement data and print the summary result, and has the advantages of large data storage amount and backtracking of the data.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of a friction coefficient measuring system for an automotive transmission belt according to the present invention;
FIG. 2 is a flow chart of the operation of a friction coefficient measuring system for an automotive transmission belt of the present invention;
fig. 3 is a control flowchart of the servo control system according to the embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the utility model, the utility model is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the utility model.
The prior art (CN 109946225 a) discloses a friction coefficient measuring device for a friction type transmission belt, which can be known from the content recorded in the specification, and measures the friction coefficient of the transmission belt by a belt wheel rotation method, before the measurement, adjusts a wrap angle adjusting frame clamping plate to a corresponding scale on a wrap angle adjusting frame according to the size of a wrap angle, locks a lead screw by a lead screw locking device, clamps two ends of a belt to be measured on a belt to be measured i and a belt to be measured ii respectively, so that the belt to be measured keeps a tensioning state, drives a servo motor during the measurement, drives a belt wheel to be measured on a transmission shaft to rotate by the servo motor, and acquires the tensioning force of a tension sensor i and the tension sensor ii in the measurement process.
On the basis of the structural composition of a transmission shaft system component, a measurement component I, a measurement component II and a tension applying component I and the mutual matching among the components disclosed in the prior art, the embodiment of the utility model provides a friction coefficient measurement system of an automobile transmission belt, which is shown by referring to fig. 1 and fig. 2, wherein fig. 1 is a structural schematic diagram of the friction coefficient measurement system of the automobile transmission belt, fig. 2 is a working flow diagram of the friction coefficient measurement system of the automobile transmission belt, and the system specifically comprises an industrial control machine control system 1, a tight side tension measurement system 2, a loose side tension measurement system 3, a servo motor power system 4 and an external input/output signal control system 5, wherein:
the industrial control machine control system 1 mainly completes the establishment of a human-computer interface, runs industrial control software compiled by VS, and collects tension data. The system has the functions of processing data, displaying measurement results, storing records, reporting forms, setting a system and the like, and comprises an industrial personal computer 11 and input and output equipment connected to the industrial personal computer 11, wherein the industrial personal computer 11 is used for realizing human-computer interaction and data acquisition and analysis.
This tight limit tension measurement system 2, including tension measurement system I21 and the test fixture I23 who carries tension sensor I21, test fixture I23 links to each other with the one end in the area of being surveyed, and tension measurement system I21 establishes with industrial computer 11 through communication interface circuit I24 and is connected for receive the tight limit pulling force acquisition instruction that industrial computer 11 sent, with the tight limit pulling force data of the control tension sensor I22 collection area of being surveyed.
When industrial control software starts friction coefficient measurement, the industrial personal computer sends an instruction for starting to collect the tight side tension data to the tension measuring system I through the communication interface circuit I, the tension measuring system I analyzes the instruction and collects the tight side tension data according to a set sampling rate, and meanwhile, the collected tight side tension data are transmitted to the industrial personal computer according to a set data format.
The slack side tension measuring system 3 comprises a tension measuring system II 31 and a testing clamp II 33 with a tension sensor II 32, wherein the testing clamp II 33 is connected with the other end of a measured side belt, the tension measuring system II 31 is connected with an industrial personal computer 11 through a communication interface circuit II 34 and used for receiving a slack side tension collecting instruction sent by the industrial personal computer 11 and controlling the tension sensor II 32 to collect slack side tension data of the measured side belt.
When the industrial control software starts the friction coefficient measurement, the industrial personal computer sends a start-up acquisition tight-side tension data instruction to the tension measuring system II through the communication interface circuit II, the tension measuring system II analyzes the instruction and acquires the slack-side tension data according to the set utilization rate, and meanwhile, the acquired slack-side tension data are transmitted to the industrial personal computer according to the set data format.
The servo motor power system 4 comprises a transmission mechanism 45, a speed reducer 44, a servo motor 43, a servo driver 42 and a servo control system 41 which are sequentially connected in sequence, wherein the transmission mechanism 45 is used for driving a tested belt to rotate, and the servo control system 41 is connected with the industrial personal computer 11 through a communication interface circuit III 46 and used for receiving a servo motor control instruction sent by the industrial personal computer 11, so that the servo motor operates according to a set rotating speed and simultaneously measures the stroke of the servo motor.
The industrial personal computer sends a stroke and a rotating speed of the servo motor to be operated and a control instruction for starting the servo motor to operate to the servo control system through the communication interface circuit III, and simultaneously starts to acquire an edge tightening/edge loosening tension data instruction; and after receiving a control instruction sent by the industrial personal computer, the servo control system controls the servo motor to operate according to a set rotating speed and simultaneously measures the stroke of the servo motor, and when the stroke of the servo motor measured by the servo control system is consistent with the stroke of the servo motor set by the industrial personal computer, the servo control system controls the servo driver to stop the operation of the servo motor and returns a control instruction for stopping data acquisition to the industrial personal computer.
The external input/output signal control system 5 includes a manual control signal input button 52 and an output control circuit 53 which are connected to the industrial personal computer 11 via the I/O control system 51. The manual control signal input button 52 receives a start measuring signal, a stop measuring signal and an emergency stop signal of the industrial control system 1 through the I/O control system 51, and the output control circuit 53 controls the operation of the tight-side tension measuring system 2 and the loose-side tension measuring system 3 and the reset of the servo motor power system 4 through the I/O control system 51.
With regard to the test fixture i 23, the tension sensor i 22, the test fixture ii 33, the tension sensor ii 32 and the transmission mechanism 45, those skilled in the art can reasonably apply the test fixture i 23, the tension sensor i 22, the test fixture ii 33, the tension sensor ii 32 and the transmission mechanism 45 to the belt to be tested according to the contents described in the prior published technology (CN 109946225 a), thereby realizing the measurement of the friction coefficient of the transmission belt by the pulley rotation method.
Specifically, referring to fig. 3, in this embodiment, the servo control system 41 includes a microcontroller 411, an optical isolation circuit i 412, an optical isolation circuit ii 414, a photoelectric encoder conditioning circuit 413, and a frequency quadrupler circuit 415, the microcontroller 411 is connected to the industrial personal computer 11 through a communication interface circuit iii 46, the optical isolation circuit i 412, the servo driver 42, the photoelectric encoder conditioning circuit 413, the optical isolation circuit ii 414, the frequency quadrupler circuit 415, and the microcontroller 411 are sequentially connected, and the optical isolation circuit i 412 receives a driving pulse signal sent by the microcontroller 411.
Specifically, the input and output device in this embodiment includes a keyboard 12, a mouse 13, a liquid crystal display 14, and a printer 15, the input of the keyboard 12 and the input of the mouse 13 are connected to the industrial personal computer 11, and the industrial personal computer 11 is connected to the liquid crystal display 14 and the printer 15.
The utility model realizes the combination of software and hardware by operating special industrial personal computer and combining the prior belt wheel rotation method test mode, the user communicates with the system through a human-computer interaction interface and operates, the industrial personal computer is used for calculating the value of the belt transmission friction coefficient, and the curve of the friction force, the friction coefficient and the time is drawn according to the requirement. The utility model can not only improve the detection speed and the precision of the detection result, but also check the measurement data in real time and quickly send the control command, and meanwhile, the system can realize the storage of the measurement data and print the summary result, and has the advantages of large data storage amount and backtracking of the data.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (4)
1. A friction coefficient measuring system for an automotive transmission belt, comprising:
the industrial personal computer control system comprises an industrial personal computer and input and output equipment connected to the industrial personal computer, wherein the industrial personal computer is used for realizing human-computer interaction and data acquisition and analysis;
the tension measuring system I is connected with the industrial personal computer through a communication interface circuit I and used for receiving a tension collecting instruction sent by the industrial personal computer so as to control the tension sensor I to collect tension data of the tight side of the tested belt;
the slack side tension measuring system comprises a tension measuring system II and a testing clamp II carrying a tension sensor II, wherein the testing clamp II is connected with the other end of the measured belt, and the tension measuring system II is connected with an industrial personal computer through a communication interface circuit II and used for receiving a slack side tension collecting instruction sent by the industrial personal computer so as to control the tension sensor II to collect slack side tension data of the measured belt;
the servo motor power system comprises a transmission mechanism, a speed reducer, a servo motor, a servo driver and a servo control system which are sequentially connected, wherein the transmission mechanism is used for driving a tested belt to rotate, and the servo control system is connected with the industrial personal computer through a communication interface circuit III and used for receiving a servo motor control instruction sent by the industrial personal computer, so that the servo motor operates according to a set rotating speed and simultaneously measures the stroke of the servo motor;
and the external input/output signal control system comprises a manual control signal input button and an output control circuit which are connected with the industrial personal computer through the I/O control system.
2. The system of claim 1, wherein the industrial personal computer sends a stroke command of the servo motor to be operated to the servo control system through the communication interface circuit iii, and when the servo motor stroke measured by the servo control system is consistent with the servo motor stroke set by the industrial personal computer, the servo control system controls the servo driver to stop the operation of the servo motor and sends back a control command of stopping data acquisition to the industrial personal computer.
3. The friction coefficient measuring system of the automobile driving belt according to claim 2, characterized in that the servo control system comprises a microcontroller, an optical isolation circuit I, an optical isolation circuit II, a photoelectric encoder conditioning circuit and a quadruple frequency circuit, the microcontroller is connected with an industrial personal computer through a communication interface circuit III, the optical isolation circuit I, the servo driver, the photoelectric encoder conditioning circuit, the optical isolation circuit II, the quadruple frequency circuit and the microcontroller are sequentially connected, and the optical isolation circuit I receives a driving pulse signal sent by the microcontroller.
4. The system of claim 1, wherein the input/output device comprises a keyboard, a mouse, a liquid crystal display, and a printer, the input of the keyboard and the input of the mouse are connected to the industrial personal computer, and the industrial personal computer is connected to the liquid crystal display and the printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121330556.9U CN215339451U (en) | 2021-06-16 | 2021-06-16 | Friction coefficient measuring system of automobile transmission belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121330556.9U CN215339451U (en) | 2021-06-16 | 2021-06-16 | Friction coefficient measuring system of automobile transmission belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339451U true CN215339451U (en) | 2021-12-28 |
Family
ID=79558026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121330556.9U Active CN215339451U (en) | 2021-06-16 | 2021-06-16 | Friction coefficient measuring system of automobile transmission belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215339451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384004A (en) * | 2021-12-29 | 2022-04-22 | 上海妙可蓝多生物技术研发有限公司 | Food package easy-to-open performance detection equipment |
-
2021
- 2021-06-16 CN CN202121330556.9U patent/CN215339451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384004A (en) * | 2021-12-29 | 2022-04-22 | 上海妙可蓝多生物技术研发有限公司 | Food package easy-to-open performance detection equipment |
| CN114384004B (en) * | 2021-12-29 | 2024-02-20 | 上海妙可蓝多生物技术研发有限公司 | Food package is easy to open performance check out test set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215339451U (en) | Friction coefficient measuring system of automobile transmission belt | |
| CN101832864B (en) | Test bed for detecting control panel of vehicle air conditioner | |
| JP2012237741A (en) | Door/window test device | |
| CN106772051A (en) | A kind of system and method for obtaining linear motor resonant frequency | |
| CN202485992U (en) | Temperature control type electronic stretcher based on embedded measurement and control system | |
| CN102279099A (en) | Straw compression forming and bundling test device and method | |
| CN201340371Y (en) | Cutting edge sharpness tester of cutter | |
| CN205879523U (en) | Semi -automatic survey hinge life -span device | |
| CN103255515A (en) | Manual-automatic twisting machine | |
| CN203616121U (en) | Apparatus used for collecting representation hybrid epicyclic gearbox dynamic characteristic data | |
| JP2000275124A (en) | Tension gage | |
| CN103935862A (en) | Constant rotation speed generating device for detecting elevator speed limiter tester | |
| CN211504995U (en) | Battery package box panel beating intensity detection device | |
| CN204434163U (en) | A kind of cucurbit load limiter debugging apparatus | |
| CN111122436A (en) | Method and device for testing tangential force of viscous material | |
| CN209542729U (en) | It is a kind of for detecting the test cabinet of actuator | |
| KR100330261B1 (en) | Apparatus for measuring brake noise of automobile | |
| CN210513846U (en) | Research and development of cement stirring technology based on torque testable | |
| CN202083611U (en) | Friction testing instrument for penetration resistance of fabric to feather and down | |
| CN2156194Y (en) | Digital yarn twist meter | |
| CN213068120U (en) | Elasticity testing device | |
| CN221007143U (en) | Elasticity measuring mechanism is used in knitwear production | |
| CN211477868U (en) | Towel softness testing device | |
| CN220421896U (en) | Camera torsion test equipment | |
| CN203411588U (en) | Double-display controller capable of monitoring vibration aging in real time |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |