CN111076930A - Transmission belt simulation loading test device for combine harvester - Google Patents
Transmission belt simulation loading test device for combine harvester Download PDFInfo
- Publication number
- CN111076930A CN111076930A CN201911326058.4A CN201911326058A CN111076930A CN 111076930 A CN111076930 A CN 111076930A CN 201911326058 A CN201911326058 A CN 201911326058A CN 111076930 A CN111076930 A CN 111076930A
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- China
- Prior art keywords
- belt
- combine harvester
- loading test
- belt wheel
- transmission
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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
- G01M13/023—Power-transmitting endless elements, e.g. belts or chains
-
- 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
Abstract
The invention provides a driving belt simulation loading test device for a combine harvester, which comprises a driving belt wheel, a driving belt, a thermal infrared imaging system, a tensioning device, a laser range finder, a driven belt wheel, a heating device, a refrigerating device, a motor, a power input shaft, a shell and a humidifier. In the working process, a motor receives load change signals of different working conditions of each part of the combine harvester, which are obtained through field tests, the loading working condition of a transmission belt is simulated, the temperature and the humidity in a shell are adjusted according to needs to simulate the actual working condition of the field, a thermal infrared imaging system obtains the temperature change of the surface of the transmission belt in real time and obtains a three-dimensional map, and a laser range finder monitors the jumping in the movement process of the transmission belt and obtains a transmission belt track fluctuation map. The device can improve the transmission efficiency, the tensile strength and the thread rope bonding strength of the transmission adhesive tape for the combine harvester, and lays a solid foundation for measuring the operation performance of the transmission belt.
Description
Technical Field
The invention belongs to the field of design and test of parts of a combine harvester, and particularly relates to a driving belt simulated loading test device for the combine harvester.
Background
The rubber belt transmission system is used as an important mode of power transmission in mechanical transmission, has the characteristics of simple structure, stable transmission, low price, buffering and vibration absorption and the like, is widely applied to various fields of automobiles, machinery, household appliances, agricultural machinery and the like, and plays an increasingly important role in various fields of national economy. The production and manufacturing field of the transmission belt starts earlier abroad, and the produced transmission belt forms a series product with various varieties and complete specification and model. In recent years, in order to meet the harsh performance requirements of high temperature resistance, oil resistance, long service life and the like, foreign advanced adhesive tape manufacturers, such as companies like Japan Bando, American Gates, Germany ContiTech and the like, continuously use various materials with excellent performance, innovate an adhesive tape process, continuously perfect matched production equipment and pay great attention to product quality control, and carry out quality tracking and control from the reinforced detection of raw materials, semi-finished products, finished products and various produced links, so that the product precision can reach an extremely high level. Although the production enterprises for producing the transmission belt for the combine harvester in China reach hundreds of families at present, most of the enterprises are small in scale, and the transmission belt production in China lacks independent intellectual property rights due to late starting and poor foundation, so that products are more in imitation, the stability and the reliability of the product quality are poor, the operation efficiency of the combine harvester is seriously influenced, the quality of the products in China is still quite different from that of the products developed abroad, and relevant test equipment is urgently needed to assist in improving the performance of the transmission belt for the combine harvester.
Disclosure of Invention
The invention provides a transmission belt simulation loading test device for a combine harvester, which is used for testing the transmission performance of a transmission belt for a domestic combine harvester under different working conditions. The invention realizes the technical purpose through the following technical means:
a driving belt simulation loading test device for a combine harvester comprises a driving belt wheel, wherein the driving belt wheel is arranged at one end of a power input shaft, and the other end of the power input shaft is connected with a motor; the driven belt wheel is flush with the transmission surface of the driving belt wheel and is arranged on an output shaft of the magnetic powder brake; the driving belt wheel is in transmission connection with the driven belt wheel, and a thermal infrared imaging system and a laser range finder are arranged right above the transmission belt; and a temperature and humidity simulation device is arranged below the transmission belt.
In the above technical scheme, the temperature and humidity simulation device comprises a heating device, a refrigerating device and a humidifier.
In the technical scheme, a tensioning device is arranged between the driving belt wheel and the driven belt wheel.
In the technical scheme, the driven belt wheel is arranged on the shell, and the position of the driven belt wheel is adjustable, so that the distance between the driving belt wheel and the driven belt wheel is adjusted within the range of 500mm-3000 mm.
In the technical scheme, the shell is of a hollow cuboid structure, and a temperature and humidity simulation device, a thermal infrared imaging system, a tensioning device and a laser range finder are installed in the shell.
In the technical scheme, the heating device enables the temperature in the shell to be adjusted within the range of 25-100 degrees.
In the technical scheme, the refrigerating device enables the temperature in the shell to be adjusted within the range of-20-25 degrees.
In the technical scheme, the humidifier enables the air humidity in the shell to be adjusted within the range of 10% -95%.
The invention has the beneficial effects that: aiming at the problems that the transmission process of the rubber belt is complex, the change rules of the rubber belt in the belt wheel in the micro processes such as stress, deformation and temperature rise under different working conditions (temperature and humidity) are difficult to obtain through a conventional test method, and the structure optimization design of the transmission rubber belt is lack of detailed information support, the transmission belt simulation loading test device for the combine harvester is designed, load change signals under different working conditions of each part of the combine harvester, which are obtained through field tests, are input into the transmission rubber belt simulation loading test device for the combine harvester, the simulation load of the driven belt wheel 6 is increased at the same time, and tests are carried out indoors through the environments such as humidity and temperature simulation, so that the transmission performance of the novel transmission rubber belt is verified.
Drawings
FIG. 1 is a front view of a belt simulated loading test apparatus for a combine harvester according to the present invention;
FIG. 2 is a top view of the belt loading simulation test apparatus for the combine harvester of the present invention.
In the figure, 1-driving belt wheel, 2-driving belt, 3-thermal infrared imaging system, 4-tensioning device, 5-laser distance meter, 6-driven belt wheel, 7-heating device I, 8-refrigerating device I, 9-heating device II, 10-refrigerating device II, 11-output torque variable and rotating speed adjustable motor, 12-coupling, 13-bearing seat, 14-fixed end cover, 15-power input shaft, 16-shell, 17-humidifier, and 18-brake magnetic powder.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
As shown in fig. 1 and 2, a driving belt simulation loading test device for a combine harvester comprises a driving belt pulley 1, a driving belt 2, a thermal infrared imaging system 3, a tensioning device 4, a laser range finder 5, a driven belt pulley 6, a heating device I7, a refrigerating device I8, a heating device II9, a refrigerating device II10, a motor 11 with controllable output torque and adjustable rotating speed, a coupler 12, a bearing seat 13, a fixed end cover 14, a power input shaft 15, a shell 16, a humidifier 17 and a magnetic powder brake 18.
The shell 16 is a hollow cuboid cavity, the driving belt wheel 1 is installed at one end of the power input shaft 15 and is fixedly pressed by the fixed end cover 14, the other end of the power input shaft 15 penetrates through the shell 16 and then is supported by the bearing seat 13, and then is connected with the power output shaft of the motor 11 with controllable output torque and adjustable rotating speed through the coupler 12. The magnetic powder brake 18 is positioned on the platform outside the shell 16, the output shaft of the magnetic powder brake 18 penetrates through the shell 16 and then the driven belt wheel 6 is installed, and the driving surface of the driving belt wheel 1 is ensured to be flush with the driving surface of the driven belt wheel 6; the driving belt 2 is hung in the pulley grooves of the driving pulley 1 and the driven pulley 6, and the tensioning device 4 is installed on the shell 16 and positioned between the driving pulley 1 and the driven pulley 6 for tensioning the driving pulley 1 and the driven pulley 6. Thermal infrared imaging system 3, laser range finder 5 hang in casing 16, and just to drive belt 2, and thermal infrared imaging system 3, laser range finder 5 are separated in overspeed device tensioner 4 both sides. Heating unit I7, refrigerating unit I8, heating unit II9, refrigerating unit II10 and humidifier 17 are mounted on housing 16 below belt 2.
In the working process, the motor 11 with controllable output torque and adjustable rotating speed can receive load change signals of different working conditions of all parts of the combine harvester obtained through field tests, the load change signals are transmitted to the driving belt wheel 1 through the power input shaft 15, and the driving belt wheel 1 drives the driven belt wheel 6 to rotate through the transmission belt 2; the output resistance torque on the output shaft of the magnetic powder brake 18 is controlled, the simulated load of the driven belt wheel 6 is increased, and the loading working condition of the transmission belt is simulated. The heating device I7, the refrigerating device I8, the heating device II9, the refrigerating device II10 and the humidifier 17 can adjust the temperature and the humidity in the shell 16 as required to simulate the actual working conditions in the field, the thermal infrared imaging system 3 can acquire the temperature change of the surface of the conveyor belt 2 in real time, and the temperature information is stored in a computer and a temperature map is drawn. The laser distance measuring instrument 5 is used for monitoring the jumping of the driving belt 2 in the moving process, recording the jumping information of the driving belt 2 in the moving process in real time in a computer and drawing a driving belt track fluctuation graph. The transmission performance of the novel transmission belt is measured by taking temperature rise change and transmission belt track fluctuation as standards, wherein the transmission belt with slower temperature rise change and smaller transmission belt track fluctuation is a high-quality transmission belt.
In this embodiment, the position of the passive pulley 6 on the housing 16 can be adjusted, and it is ensured that the distance between the driving pulley 1 and the passive pulley 6 can be adjusted within the range of 500mm-3000mm, so as to meet the requirement of testing the transmission belt with different lengths. The heating device I7 and the heating device II9 can adjust the temperature in the shell 16 within the range of 25-100 degrees. The refrigeration unit I8 and the refrigeration unit II10 allow the temperature within the enclosure 16 to be adjusted within the range of-20 to 25. The humidifier 17 can adjust the humidity of the air in the shell 16 within the range of 10% -95%.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. The driving belt simulation loading test device for the combine harvester is characterized by comprising a driving belt wheel (1), wherein the driving belt wheel (1) is installed at one end of a power input shaft (15), and the other end of the power input shaft (15) is connected with a motor (11); the belt wheel device also comprises a driven belt wheel (6) which is flush with the transmission surface of the driving belt wheel (1), and the driven belt wheel (6) is arranged on the output shaft of the magnetic powder brake (18); the driving belt wheel (1) is in transmission connection with the driven belt wheel (6), and a thermal infrared imaging system (3) and a laser range finder (5) are arranged over the driving belt (2); a temperature and humidity simulation device is arranged below the transmission belt (2).
2. The belt simulated loading test device for the combine harvester of claim 1, wherein the temperature and humidity simulator comprises a heating device, a refrigerating device and a humidifier (17).
3. The drive belt simulated loading test device for the combine harvester according to claim 1, characterized in that a tension device (4) is installed between the driving pulley (1) and the driven pulley (6).
4. The drive belt simulated loading test device for the combine harvester according to claim 1, wherein the passive pulley (6) is mounted on the housing (16), and the position of the passive pulley (6) is adjustable such that the distance between the driving pulley (1) and the passive pulley (6) is adjusted within the range of 500mm-3000 mm.
5. The transmission belt simulation loading test device for the combine harvester according to claim 4, wherein the shell (16) is of a hollow cuboid structure, and a temperature and humidity simulation device, a thermal infrared imaging system (3), a tensioning device (4) and a laser range finder (5) are installed in the shell.
6. The belt simulated loading test unit for a combine harvester of claim 2, wherein the heating device adjusts the temperature within the housing (16) within a range of 25 ° -100 °.
7. The belt simulated loading test unit for a combine harvester of claim 2, wherein the refrigeration unit regulates the temperature within the housing (16) within a range of-20 ° -25 °.
8. The belt simulated loading test unit for a combine harvester of claim 2, wherein the humidifier (17) regulates the humidity of the air in the housing (16) within a range of 10% -95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326058.4A CN111076930A (en) | 2019-12-20 | 2019-12-20 | Transmission belt simulation loading test device for combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326058.4A CN111076930A (en) | 2019-12-20 | 2019-12-20 | Transmission belt simulation loading test device for combine harvester |
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| Publication Number | Publication Date |
|---|---|
| CN111076930A true CN111076930A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911326058.4A Pending CN111076930A (en) | 2019-12-20 | 2019-12-20 | Transmission belt simulation loading test device for combine harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111652187A (en) * | 2020-06-23 | 2020-09-11 | 海容(无锡)能源科技有限公司 | Photovoltaic power station on-site dynamic capture method and system |
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2019
- 2019-12-20 CN CN201911326058.4A patent/CN111076930A/en active Pending
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| CN202092862U (en) * | 2011-03-11 | 2011-12-28 | 盖茨优霓塔传动系统(苏州)有限公司 | Durable testing machine used for at least one belt wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111652187A (en) * | 2020-06-23 | 2020-09-11 | 海容(无锡)能源科技有限公司 | Photovoltaic power station on-site dynamic capture method and system |
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Application publication date: 20200428 |