CN105890918A - Corn harvester ear plucking header test bench - Google Patents
Corn harvester ear plucking header test bench Download PDFInfo
- Publication number
- CN105890918A CN105890918A CN201610359154.9A CN201610359154A CN105890918A CN 105890918 A CN105890918 A CN 105890918A CN 201610359154 A CN201610359154 A CN 201610359154A CN 105890918 A CN105890918 A CN 105890918A
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- cutting table
- ear picking
- picking cutting
- motor
- test platform
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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
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a corn harvester ear plucking header test bench. With the corn harvester ear plucking header test bench adopted, assembly quality and reliability tests of the ear plucking header of a corn harvester can be completed in a simulated manner indoor. The corn harvester ear plucking header test bench includes an electric control cabinet, a motor, an ear plucking header to be tested, and a test platform; the control component of the motor is arranged in the electric control cabinet; the motor is connected with the control component of the motor through a wire; the output shaft of the motor is connected with one side of a torque sensor; the other side of the torque sensor is connected with the input end of a gearbox; the output end of the gearbox is connected with the input end of an ear plucking header gearbox through a transmission mechanism; the output end of the ear plucking header gearbox is connected with the transmission shaft of the ear plucking header to be tested; the ear plucking header to be tested is arranged on the test platform; the test platform can move up and down and move transversely relative to the ear plucking header to be tested; and the test platform is provided with a distance sensor.
Description
Technical field
The present invention relates to agricultural machinery technological field, specifically a kind of maize harvesting machine ear picking cutting table testing stand.
Background technology
Maize harvesting machine ear picking cutting table is supporting harvest corn machine host, complete the device that corn ear separates with straw and corn ear is sent to transfer unit, be generally made up of nearside divider, snapping bar/stem pulling roller, transmission case, screw feeder, harvesting frame, overload-release clutch, lash adjusting device.Ear picking cutting table is one of core component of corn combine, and its technical performance quality directly affects the operation quality of corn combine.Due to maize harvesting machine operating condition very severe, operation complexity, this just requires that maize harvesting machine ear picking cutting table should have good transaction capabilities and higher reliability.Therefore, maize harvesting machine ear picking cutting table is in research and development early stage, it is necessary to it is carried out a series of relevant performance test, to determine transaction capabilities and the reliability of ear picking cutting table.
Maize harvesting machine ear picking cutting table is mainly arranged on work tool (such as harvest corn machine host) by China by the comprehensive performance test of maize harvesting machine ear picking cutting table at present, needs to be completed by substantial amounts of site test.The shortcoming of this test method is: once can only test for the corn picker ceding of Taiwan of a kind of structural parameters, dismounting difficulty, and test is repeatable poor；Required testing crew is many, and efficiency is low, and labor intensity is big；Serious waste of resources, and the test period is long, environmental pollution is serious.
Summary of the invention
It is an object of the present invention to provide a kind of maize harvesting machine ear picking cutting table testing stand, this testing stand can complete the test of maize harvesting machine ear picking cutting table assembling q&r at lab simulation, detected the performance of maize harvesting machine ear picking cutting table by acquisition performance parameter, simple in construction, data are reliable.
For achieving the above object, the present invention is by the following technical solutions:
A kind of maize harvesting machine ear picking cutting table testing stand, including electrical control cabinet, motor, ear picking cutting table to be detected and test platform, the control parts of motor are arranged in electrical control cabinet, it is connected by wire between motor and the control parts of motor, the output shaft of motor connects torque sensor side and connects, torque sensor opposite side connects transmission input, gear box output end connects ear picking cutting table transmission input through drive mechanism, ear picking cutting table gear box output end connects the power transmission shaft of ear picking cutting table to be detected, ear picking cutting table to be detected is arranged on test platform, test platform ear picking cutting table the most to be detected can move up and down and transverse shifting, range sensor it is provided with on test platform.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, is provided with the first torque sensor for measuring ear picking cutting table change speed gear box input speed, torsion and moment of torsion between drive mechanism and ear picking cutting table change speed gear box.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, is provided with the second torque sensor for measuring ear picking cutting table change speed gear box output speed, torsion and moment of torsion between ear picking cutting table change speed gear box and ear picking cutting table.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, drive mechanism includes drivewheel, driven pulley and driving-chain, and drivewheel is connected with gear box output end, and driven pulley is connected with ear picking cutting table transmission input, driving-chain connects drivewheel and driven pulley, and through spring take-up tensioning.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, test platform upper surface is provided with guide rail, and range sensor is movably arranged on guide rail.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, it also includes multiple hydraulic jack, cylinder body of hydraulic oil cylinder is arranged on support platform, and the piston-rod end of hydraulic jack is fixedly attached on the bottom surface of test platform, and the control parts of hydraulic jack are arranged in electrical control cabinet.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, test platform is provided with temperature sensor.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, electrical control cabinet, motor, ear picking cutting table to be detected and test platform are respectively provided with on platform, platform is arranged and supports the rail plate that platform matches.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, the upper surface of test platform is provided with two and supports base.
Above-mentioned maize harvesting machine ear picking cutting table testing stand, motor is buncher, directly couples between the output shaft of motor and torque sensor.
The invention has the beneficial effects as follows:
1, through numerous studies, the parameter such as the rotating speed of ear picking cutting table, torsion, moment of torsion, it is possible to reflect the job statuses such as the stem pulling of ear picking cutting table, harvesting and transmission efficiency and power attenuation；Temperature variable after ear picking cutting table operating certain time and distance variable, the assembling quality of ear picking cutting table can be reflected, the stability of work and reliability, so above-mentioned parameter integrates, the assembling q&r of this ear picking cutting table can be accurately reflected on the whole, the present invention passes through test platform and torque sensor, temperature sensor, the combination of range sensor etc., it is capable of detecting when the rotating speed of ear picking cutting table, torsion, the parameters such as moment of torsion and ear picking cutting table operating certain time after temperature variable and distance variable, it is thus possible to complete the test of the Performance And Reliability of the ear picking cutting table of Different structural parameters in indoor；
2, utilizing sensor acquisition desired data, testing result is accurate, and structure is the simplest, the repeatability of test is strong, and the test period is short, and required testing crew is few, efficiency is high, and labor intensity is low, it is thus also avoided that the environmental pollution produced during site test and the infringement to the testing crew person.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the working state schematic representation that the embodiment of the present invention is assembled with after maize harvesting machine ear picking cutting table；
Fig. 2 is the structural representation of embodiment of the present invention ear picking cutting table power input portion；
Fig. 3 is the structural representation of embodiment of the present invention power delivery section；
Fig. 4 is the structural representation of embodiment of the present invention test platform part.
In Fig. 1: 1 electrical control cabinet, 2 motors, 3 torque sensors, 4 change speed gear boxes, 5 drivewheels, 6 driving-chains, 7 driven pulleys, 8 ear picking cutting table change speed gear boxes, 9 ear picking cutting tables, 10 support base, 11 range sensors, 12 guide rails, 13 test platforms, 14 hydraulic jacks, 15 support platform, 16 platforms, 17 spring take-ups, 18 power transmission shafts, 19 second torque sensors, 20 first torque sensors, 21 support members, 22 temperature sensors.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, develop simultaneously embodiment referring to the drawings, and the present invention is described in more detail.
For ease of the understanding of the present invention, below in conjunction with a process of the test, the invention will be further described:
nullA kind of maize harvesting machine ear picking cutting table testing stand,Including platform 16、Electrical control cabinet 1、Motor 2、Ear picking cutting table 9 to be detected and test platform 13，Electrical control cabinet 1、Motor 2、Ear picking cutting table 9 to be detected and test platform 13 are respectively provided with on platform 16，The control parts of motor 2 are arranged in electrical control cabinet 1，It is connected by wire between motor 2 and the control parts of motor 2，The output shaft of motor 2 connects torque sensor 3 side and connects，Torque sensor 3 opposite side connects change speed gear box 4 input，Change speed gear box 4 outfan connects ear picking cutting table 9 change speed gear box 8 input through drive mechanism，Ear picking cutting table 9 change speed gear box 8 outfan connects the power transmission shaft 18 of ear picking cutting table 9 to be detected，Ear picking cutting table 9 to be detected is arranged on test platform 13，Test platform 13 ear picking cutting table the most to be detected 9 can move up and down and transverse shifting，Range sensor 11 it is provided with on test platform 13，The range sensor 11 distance amount of change after measuring the snapping bar operating certain time on ear picking cutting table 9，Range sensor 11 preferably employs laser range sensor，Because laser range sensor has certainty of measurement height、Volume is little、The advantages such as installation and debugging are convenient..
In the present embodiment, between drive mechanism and ear picking cutting table change speed gear box 8, it is provided with the first torque sensor 20 for measuring ear picking cutting table change speed gear box 8 input speed, torsion and moment of torsion.The second torque sensor 19 for measuring ear picking cutting table change speed gear box 8 output speed, torsion and moment of torsion it is provided with between ear picking cutting table change speed gear box 8 and ear picking cutting table 9.
In the present embodiment, test platform 13 is provided with temperature sensor 22, temperature variable after the snapping bar operating certain time that temperature sensor 22 can measure ear picking cutting table 9 to be detected.
In the present embodiment, drive mechanism includes drivewheel 5, driven pulley 7 and driving-chain 6, and drivewheel 5 is connected with gear box output end, and driven pulley 7 is connected with ear picking cutting table change speed gear box 8 input, driving-chain 6 connects drivewheel 5 and driven pulley 7, and through spring take-up 17 tensioning.
In the present embodiment, test platform 13 upper surface is provided with guide rail 12, range sensor 11 is movably arranged on guide rail 12, it is thus possible to adjust the position of range sensor 11 easily, range sensor 11 is adjusted to the lower section of ear picking cutting table 9 snapping bar, it is possible to the degree of accuracy for experimental result provides safeguard before on-test.
In the present embodiment, also include multiple hydraulic jack 14, hydraulic jack 14 cylinder body is arranged on support platform 15, this support platform 15 is arranged on platform 16 rail plate being matched therewith, the piston-rod end of hydraulic jack 14 is fixedly attached on the bottom surface of test platform 13, and the control parts of hydraulic jack 14 are arranged in electrical control cabinet 1.Can be with the height of Adjustment Tests platform 13 by hydraulic jack 14 lifting, it is simple to test.Hydraulic jack 14 can be symmetrical the lower section being distributed in test platform 13, but the hydraulic jack 14 of the present invention is not limited solely to above-mentioned distribution form, hydraulic jack 14 can triangular in shape be distributed, also the middle part of test platform 13 can be distributed in, its quantity does not limits, and makes test platform 13 steadily lift as long as can meet.
In the present embodiment, the upper surface of test platform 13 is provided with two and supports base 10, support base 10 for supporting ear picking cutting table 9 to be detected, ear picking cutting table 9 is placed on support base 10, apron space is left for ear picking cutting table 9, also measurement space is reserved for temperature sensor 22 and range sensor 11, it is to avoid produce interference each other.
In the present embodiment, motor 2 is buncher, directly couple between the output shaft of motor 2 and torque sensor, buncher can change the rotating speed of motor 2 according to demand, adapt to the present invention and be required for the versatility requirement that the ear picking cutting table 9 of Different structural parameters carries out testing, be beneficial to being smoothed out of test.
In the present embodiment, electrical control cabinet 1 is internal is additionally provided with timer (not shown).Because ear picking cutting table performance test has time requirement, generally at least operate 30 minutes for ear picking cutting table, timer is set and can set the time more accurately, improve the accuracy of result of the test.
When testing, ear picking cutting table 9 to be detected is arranged on the support base 10 of test platform 13, by supporting the platform 15 movement in rail plate, Adjustment Tests platform 13 is to correct position, control hydraulic jack 14 by electrical control cabinet 1 to work, the height of Adjustment Tests platform 13 is to correct position, when the drivewheel 5 on the change speed gear box with testing stand of the present invention of the driven pulley 7 on ear picking cutting table change speed gear box 8 is coplanar, by driving-chain 6, drivewheel 5 is connected with driven pulley 7, and by spring take-up 17 by driving-chain 6 tensioning, finally range sensor 11 is moved on guide rail the lower section of ear picking cutting table 9 snapping bar to be detected.
Timer sets test period, start electrical control cabinet 1, regulation motor 2 rotating speed reaches ear picking cutting table rated speed, distance is measured by range sensor, temperature is measured by temperature sensor 22, measure corresponding rotating speed, torsion and moment of torsion by torque sensor, torque sensor and torque sensor, tested by the corn picker ceding of Taiwan dry run of certain time, the assembling q&r of the checking corn picker ceding of Taiwan.The above-mentioned single test time is generally at least 30 minutes, by the moment of torsion recorded, distance variable quantity and the value of temperature variation, can reflect the Performance And Reliability of the tested corn picker ceding of Taiwan.
The mounting means that torque sensor is general is horizontally mounted and two kinds of forms of right angle setting, in the present embodiment, torque sensor, the first torque sensor 20 and the second torque sensor 19 are for being horizontally mounted mode, but the present invention is not limited solely to this kind of mounting means, on the premise of meeting test requirements document and avoiding damaging sensor, can be selected for other mounting means, be easy to ear picking cutting table assembling on test platform 13 based on horizontal mode, therefore the mounting means of level is preferred implementation.
Obvious, for the difference in height between the power input shaft of small electromotor 2 output shaft, power transmission shaft and ear picking cutting table change speed gear box 8, the lower section of motor 2 and change speed gear box 4 should be provided for the support member 21 of altimetric compensation；Within electrical control cabinet 1 control parts with corresponding by control should be correct between parts electrical connection；For these technical characteristics, those skilled in the art can complete correct setting and connection according to prior art completely, and in order to highlight the innovative characteristics of the present invention, above-mentioned technical characteristic does not repeats them here.
In the present invention " on ", D score be for conveniently describing the relative terms of employing, it is impossible to be interpreted as that absolute position constitutes limiting of its scope.
The foregoing is only presently preferred embodiments of the present invention; be not whole embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
In addition to technical characteristic described in description, remaining technical characteristic is all known to a person skilled in the art technology.
Claims (10)
1. a maize harvesting machine ear picking cutting table testing stand, it is characterized in that: include electrical control cabinet, motor, ear picking cutting table to be detected and test platform, the control parts of motor are arranged in electrical control cabinet, it is connected by wire between motor and the control parts of motor, the output shaft of motor connects torque sensor side and connects, torque sensor opposite side connects transmission input, gear box output end connects ear picking cutting table transmission input through drive mechanism, ear picking cutting table gear box output end connects the power transmission shaft of ear picking cutting table to be detected, ear picking cutting table to be detected is arranged on test platform, test platform ear picking cutting table the most to be detected can move up and down and transverse shifting, range sensor it is provided with on test platform.
Maize harvesting machine ear picking cutting table testing stand the most according to claim 1, it is characterised in that: it is provided with the first torque sensor for measuring ear picking cutting table change speed gear box input speed, torsion and moment of torsion between drive mechanism and ear picking cutting table change speed gear box.
Maize harvesting machine ear picking cutting table testing stand the most according to claim 1, it is characterised in that: it is provided with the second torque sensor for measuring ear picking cutting table change speed gear box output speed, torsion and moment of torsion between ear picking cutting table change speed gear box and ear picking cutting table.
4. according to maize harvesting machine ear picking cutting table testing stand described in claim 1, it is characterized in that: drive mechanism includes drivewheel, driven pulley and driving-chain, drivewheel is connected with gear box output end, driven pulley is connected with ear picking cutting table transmission input, driving-chain connects drivewheel and driven pulley, and through spring take-up tensioning.
5. according to maize harvesting machine ear picking cutting table testing stand described in claim 1, it is characterised in that: test platform upper surface is provided with guide rail, and range sensor is movably arranged on guide rail.
Maize harvesting machine ear picking cutting table testing stand the most according to claim 1, it is characterized in that: it also includes multiple hydraulic jack, cylinder body of hydraulic oil cylinder is arranged on support platform, the piston-rod end of hydraulic jack is fixedly attached on the bottom surface of test platform, and the control parts of hydraulic jack are arranged in electrical control cabinet.
Maize harvesting machine ear picking cutting table testing stand the most according to claim 1, it is characterised in that: it is provided with temperature sensor on test platform.
8. according to claim
Maize harvesting machine ear picking cutting table testing stand described in 1 to 7 any one, it is characterised in that: electrical control cabinet, motor, ear picking cutting table to be detected and test platform are respectively provided with on platform, platform is arranged and supports the rail plate that platform matches.
9. according to claim
Maize harvesting machine ear picking cutting table testing stand described in 1 to 7 any one, it is characterised in that: the upper surface of test platform is provided with two and supports base.
10. according to corn picker ceding of Taiwan testing stand described in any one of claim 1 to 7, it is characterised in that: motor is buncher, directly couples between the output shaft of motor and torque sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359154.9A CN105890918A (en) | 2016-05-27 | 2016-05-27 | Corn harvester ear plucking header test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359154.9A CN105890918A (en) | 2016-05-27 | 2016-05-27 | Corn harvester ear plucking header test bench |
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| CN105890918A true CN105890918A (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610359154.9A Pending CN105890918A (en) | 2016-05-27 | 2016-05-27 | Corn harvester ear plucking header test bench |
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| CN (1) | CN105890918A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318265A (en) * | 2017-12-25 | 2018-07-24 | 佳木斯市质量技术监督检验检测中心 | Corn harvesting bench fatigue test board |
| CN110865631A (en) * | 2019-11-28 | 2020-03-06 | 中国农业大学 | CAN bus-based intelligent control test platform for multifunctional corn harvester |
| CN111879543A (en) * | 2020-08-04 | 2020-11-03 | 齐鲁工业大学 | Embedded controller test bed of corn harvester returning machine |
| CN112595531A (en) * | 2020-11-12 | 2021-04-02 | 洛阳西苑车辆与动力检验所有限公司 | No-load running-in test device and method for whole crawler-type harvester |
| CN113661827A (en) * | 2021-08-16 | 2021-11-19 | 江苏大学 | Lodging detection header self-adaption device of laser sensor and control method |
| CN113984519A (en) * | 2021-10-21 | 2022-01-28 | 石家庄益康农科技发展有限公司 | Corn mechanics research device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318265A (en) * | 2017-12-25 | 2018-07-24 | 佳木斯市质量技术监督检验检测中心 | Corn harvesting bench fatigue test board |
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| CN111879543A (en) * | 2020-08-04 | 2020-11-03 | 齐鲁工业大学 | Embedded controller test bed of corn harvester returning machine |
| CN112595531A (en) * | 2020-11-12 | 2021-04-02 | 洛阳西苑车辆与动力检验所有限公司 | No-load running-in test device and method for whole crawler-type harvester |
| CN112595531B (en) * | 2020-11-12 | 2022-11-18 | 洛阳西苑车辆与动力检验所有限公司 | No-load running-in test device and method for whole crawler-type harvester |
| CN113661827A (en) * | 2021-08-16 | 2021-11-19 | 江苏大学 | Lodging detection header self-adaption device of laser sensor and control method |
| CN113661827B (en) * | 2021-08-16 | 2022-07-22 | 江苏大学 | Lodging detection header self-adaption device of laser sensor and control method |
| CN113984519A (en) * | 2021-10-21 | 2022-01-28 | 石家庄益康农科技发展有限公司 | Corn mechanics research device |
| CN113984519B (en) * | 2021-10-21 | 2023-07-25 | 石家庄益康农科技发展有限公司 | Corn mechanics research device |
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Application publication date: 20160824 |