CN204498764U - A kind of hay mower running gear durable test device - Google Patents
A kind of hay mower running gear durable test device Download PDFInfo
- Publication number
- CN204498764U CN204498764U CN201520094195.0U CN201520094195U CN204498764U CN 204498764 U CN204498764 U CN 204498764U CN 201520094195 U CN201520094195 U CN 201520094195U CN 204498764 U CN204498764 U CN 204498764U
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- Prior art keywords
- mower
- loadwheel
- testboard
- wheel
- running gear
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Abstract
A kind of hay mower running gear durable test device, comprise testboard, be arranged on the fixed mechanism for fixing mower on testboard, be arranged on testboard for providing mechanism loading and the control device of load to driving wheel, described mechanism loading comprises the loadwheel be rotatably arranged on by wheel shaft on testboard, the load motor and the frequency converter being connected load motor that drive loadwheel to rotate is connected by transmission mechanism, described transmission mechanism is provided with the torque rotary speed sensor for testing wheel shaft torque and rotating speed, described control device is connected the torque and rotational speed for controlling wheel shaft respectively with frequency converter and torque rotary speed sensor, during test, described driving wheel is bearing on loadwheel also can overcome the rotation of loadwheel resistance band dynamic load wheel, the utility model can be simulated mower and be worked under circumstances, to meet the test requirements document of various hay mower.
Description
Technical field
The utility model relates to a kind of hay mower running gear durable test device.
Background technology
The running gear of hay mower must do long duration test, because it involves a lot of moving component, such as driving belt, belt pulley, walking device, ratchet, bearing, driving wheel etc., each parts damages, its function just lost efficacy, and product is failure just, client's complaint increases, maintenance cost increases suddenly, even stockpiling of unsold product, and enterprises' loss is heavy.So the endurance of necessary prescribed product, and can checking the durable of product of will doing experiment meet the demands, current hay mower long duration test adopts two kinds of methods: one is mow on the spot, but this method needs a large amount of places and manpower, and be subject to the interference of weather conditions, time is uncontrolled, many deficiencies; Two is turn-take in a fixing place, the frictional force on earth's surface and the driving force of hay mower uncontrolled; And the method for the normalization of both neither one sciences and requirement, driving force and frictional force immeasurability and adjustment, randomness is very large, can not reflect the test level of objective, science.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provide a kind of can the hay mower running gear durable test device of the various working environment of accurate simulation.
The purpose of this utility model realizes by following technical solution:
A kind of hay mower running gear durable test device, for the endurance quality of the driving wheel and drive disk assembly thereof of testing mower, it is characterized in that: comprise testboard, be arranged on the fixed mechanism for fixing mower on testboard, be arranged on testboard for providing mechanism loading and the control device of load to driving wheel, described mechanism loading comprises the loadwheel be rotatably arranged on by wheel shaft on testboard, the load motor and the frequency converter being connected load motor that drive loadwheel to rotate is connected by transmission mechanism, described transmission mechanism is provided with the torque rotary speed sensor for testing wheel shaft torque and rotating speed, described control device is connected the torque and rotational speed for controlling wheel shaft respectively with frequency converter and torque rotary speed sensor, during test, described driving wheel is bearing on loadwheel also can overcome the rotation of loadwheel resistance band dynamic load wheel.
Further, described fixed mechanism comprises the first guide post being arranged on and extending before and after on testboard, be movably arranged on the slide on the first guide post, be arranged on the first screw mandrel extended before and after on testboard, be arranged on the first nut that slide coordinates with the first screw mandrel, be arranged on the second guide post laterally extending on slide, activity is engaged in two front wheel brackets on the second guide post, be arranged on the second screw mandrel laterally extending on slide, be separately positioned on the second nut that two front wheel brackets coordinate with the second screw mandrel, two front wheel bracket relative motions can be made with clamping or two front-wheels discharging mower by operating the second screw mandrel rotation.
Further, the utility model also comprises the executing agency be connected with described control device for operating mower traveling controller, and this executing agency comprises the first cylinder be connected with the clutch operating lever of described traveling controller and the second cylinder be connected with the quenching operations bar that described traveling controller stops working.
Further, described transmission mechanism comprises clutch, torque rotary speed sensor, belt and belt pulley, described load motor is connected the input of clutch with belt pulley by belt, the output of clutch is connected with the input of torque rotary speed sensor, and the output of torque rotary speed sensor is connected with described wheel shaft.
Further, described loadwheel comprises and is arranged on two relative with mower two driving wheel on wheel shaft.
Further, described loadwheel outer peripheral face is formed with anti-slop serrations.
Further, described control device is provided with display screen, for showing the various parameters of test process.
A kind of hay mower running gear durability test method, comprises the steps:
(1), by mower be fixed on testboard, make the driving wheel of mower be bearing on the loadwheel of mechanism loading, now the clutch of mechanism loading is in released state, and load motor is in holding state;
(2) traveling controller, starting mower makes driving wheel rotate and drives loadwheel to dally, operation 2-5s;
(3), the clutch of control load mechanism closes, to apply the braking moment of light load to the driving wheel of mower, operation 2-5s;
(4), the load motor of starting load mechanism, make the braking moment of applying be promoted to middle load by light load, run 12-18s;
(5), close the load motor of mechanism loading, make the braking moment of applying drop to light load by middle load, run 2-5s;
(6), the load motor of starting load mechanism, make the braking moment of applying be promoted to heavy load by light load, run 2-5s;
(7), close the load motor of mechanism loading, make the braking moment of applying drop to light load by heavy load, run 2-5s;
(8), close the traveling controller of mower, 8-12s Posterior circle repeats above-mentioned steps until test, and the abrasion condition according to testing rear drive sprocket and drive disk assembly thereof judges its endurance quality.
Further, in the braking moment T that described middle load applies at driving wheel=GSinA ° R, the braking moment T weight=GSinB ° R that described heavy load applies at driving wheel; G is the gross weight that grass filled by mower; R is the radius of driving wheel; A ° and B ° is the mower gradient of simulating, and A ° is less than B °.
Further, in described T=GSin10 ° R, T weight=GSin18 ° R.
The utility model has following beneficial effect:
The utility model can regulate test period easily, driving wheel load enables simulation mower and works under circumstances, to meet the test requirements document of various hay mower, the instantaneous display of test parameters is also recorded in instrument, can the real various ruuning situation of simulation reconstruction hay mower, carry out the round-the-clock long duration test of objective science, be not subject to the impact of space enrironment, save manpower and improve test efficiency, test is truer and accurate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is using state figure of the present utility model.
Fig. 2 is component decomposition map of the present utility model.
Embodiment
Shown in seeing figures.1.and.2, a kind of hay mower running gear durable test device, comprises testboard 1, front-wheel fixed mechanism, mechanism loading, executing agency and control device.
Testboard 1 is rectangular housing, the gusset 13 comprising base 11, top cover 12 and be arranged between base 11 and top cover 12.
Front-wheel fixed mechanism comprise be arranged on testboard 1 base 11 on before and after extend the first guide post 47, be movably arranged on the slide 46 on the first guide post 47, the first screw mandrel 45 extended before and after on the base 11 being arranged on testboard 1, be arranged on the first nut (not shown) that slide 46 coordinates with the first screw mandrel 45, be arranged on the second guide post 44 laterally extending on slide 46, activity is engaged in two front wheel brackets on the second guide post 44, be arranged on the second screw mandrel 43 laterally extending on slide 46, be separately positioned on the second nut (not shown) that two front wheel brackets coordinate with the second screw mandrel 43, first, second screw mandrel 45, operation handwheel 451 is respectively arranged with on 43, 431, two front wheel bracket relative motions can be made with clamping or two front-wheels 32 discharging mower by operating the second screw mandrel 43 rotation, front wheel bracket comprises and is movably arranged on slide block on the second guide post 44 41 and is arranged on wheel holder 42 suitable with front-wheel on slide block 41, two front wheel brackets can be made to move forward and backward to adjust the front and back position of mower 3 by operating the first screw mandrel 45 rotation.
Mechanism loading comprises two loadwheels 21 be rotatably arranged on by wheel shaft 25 on testboard 1, the load motor 24 and the frequency converter being connected load motor 24 that drive loadwheel 21 to rotate is connected by transmission mechanism, loadwheel 21 outer peripheral face is formed with anti-slop serrations, transmission mechanism comprises clutch 23, torque rotary speed sensor 24, belt 26 and belt pulley, load motor 24 is connected the input of clutch 23 by belt 26 with belt pulley, the output of clutch 23 is connected with the input of torque rotary speed sensor 24, the output of torque rotary speed sensor 24 is connected with wheel shaft 25, torque rotary speed sensor 24 is for testing wheel shaft 25 torque and rotational speed, control device is connected the torque and rotational speed for controlling wheel shaft 25 respectively with frequency converter and torque rotary speed sensor 24, during test, driving wheel 31 is bearing on loadwheel 21 also can overcome loadwheel 21 resistance band dynamic load wheel 21 rotation, control device is provided with display screen, for showing the various parameters of test process.
Executing agency comprises the first cylinder be connected with the clutch operating lever of traveling controller and the second cylinder be connected with the quenching operations bar of traveling controller.
A kind of hay mower running gear durability test method, comprises the steps:
(1), by front-wheel fixed mechanism be fixed on testboard 1 by mower 3, make the driving wheel 31 of mower 3 be bearing on the loadwheel 21 of mechanism loading, now the clutch 23 of mechanism loading is in released state, and load motor 24 is in holding state;
(2) traveling controller, starting mower 3 makes driving wheel 31 rotate and drives loadwheel 21 to dally, operation 3s;
(3), the clutch of control load mechanism 23 closes, and to apply the braking moment of light load to the driving wheel 31 of mower 3, runs 3s;
(4), the load motor 24 of starting load mechanism, make the braking moment of applying be promoted to middle load by light load, run 15s, the braking moment T that middle load applies at driving wheel 31
in=GSin10 ° of R, G are the gross weight that grass filled by mower, and unit is ox; R is the radius of driving wheel, and unit is rice.
(5), close the load motor 24 of mechanism loading, make the braking moment of applying drop to light load by middle load, run 3s;
(6), the load motor 24 of starting load mechanism, make the braking moment of applying be promoted to heavy load by light load, run 3s, T
heavy=GSi, 18 ° of R.
(7), close mechanism loading load electricity .24, make the braking moment of applying drop to light load by heavy load, run 3s;
(8), close the traveling controller of mower, 10s Posterior circle repeats above-mentioned steps until test, and the abrasion condition according to testing rear drive sprocket 31 and drive disk assembly thereof judges its endurance quality.
The torque of instrument display, rotating speed are the braking moment T on loadwheel
cylinderwith rotating speed N
cylinder, with the torque T of driving wheel
wheel, rotating speed N
wheelpass is:
T
cylinder=T
wheel* r/R
T
wheel=T
cylinder* R/r
N
wheel=N
cylinder* r/R
R is the radius of loadwheel
R is the radius of driving wheel.
The above, be only preferred embodiment of the present utility model, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (7)
1. a hay mower running gear durable test device, for the endurance quality of the driving wheel and drive disk assembly thereof of testing mower, it is characterized in that: comprise testboard, be arranged on the fixed mechanism for fixing mower on testboard, be arranged on testboard for providing mechanism loading and the control device of load to driving wheel, described mechanism loading comprises the loadwheel be rotatably arranged on by wheel shaft on testboard, the load motor and the frequency converter being connected load motor that drive loadwheel to rotate is connected by transmission mechanism, described transmission mechanism is provided with the torque rotary speed sensor for testing wheel shaft torque and rotating speed, described control device is connected the torque and rotational speed for controlling wheel shaft respectively with frequency converter and torque rotary speed sensor, during test, described driving wheel is bearing on loadwheel also can overcome the rotation of loadwheel resistance band dynamic load wheel.
2. a kind of hay mower running gear durable test device according to claim 1, it is characterized in that: described fixed mechanism comprises the first guide post being arranged on and extending before and after on testboard, be movably arranged on the slide on the first guide post, be arranged on the first screw mandrel extended before and after on testboard, be arranged on the first nut that slide coordinates with the first screw mandrel, be arranged on the second guide post laterally extending on slide, activity is engaged in two front wheel brackets on the second guide post, be arranged on the second screw mandrel laterally extending on slide, be separately positioned on the second nut that two front wheel brackets coordinate with the second screw mandrel, two front wheel bracket relative motions can be made with clamping or two front-wheels discharging mower by operating the second screw mandrel rotation.
3. a kind of hay mower running gear durable test device according to claim 1, it is characterized in that: also comprise the executing agency be connected with described control device for operating mower traveling controller, this executing agency comprises the first cylinder be connected with the clutch operating lever of described traveling controller and the second cylinder be connected with the quenching operations bar that described traveling controller stops working.
4. a kind of hay mower running gear durable test device according to claim 1 or 2 or 3, it is characterized in that: described transmission mechanism comprises clutch, torque rotary speed sensor, belt and belt pulley, described load motor is connected the input of clutch with belt pulley by belt, the output of clutch is connected with the input of torque rotary speed sensor, and the output of torque rotary speed sensor is connected with described wheel shaft.
5. a kind of hay mower running gear durable test device according to claim 1 or 2 or 3, is characterized in that: described loadwheel comprises and is arranged on two relative with mower two driving wheel on wheel shaft.
6. a kind of hay mower running gear durable test device according to claim 1 or 2 or 3, is characterized in that: described loadwheel outer peripheral face is formed with anti-slop serrations.
7. a kind of hay mower running gear durable test device according to claim 1 or 2 or 3, is characterized in that: described control device is provided with display screen, for showing the various parameters of test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094195.0U CN204498764U (en) | 2015-02-10 | 2015-02-10 | A kind of hay mower running gear durable test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094195.0U CN204498764U (en) | 2015-02-10 | 2015-02-10 | A kind of hay mower running gear durable test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498764U true CN204498764U (en) | 2015-07-29 |
Family
ID=53696784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520094195.0U Withdrawn - After Issue CN204498764U (en) | 2015-02-10 | 2015-02-10 | A kind of hay mower running gear durable test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204498764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104620755A (en) * | 2015-02-10 | 2015-05-20 | 福建省晋江市三力机车有限公司 | Durability testing device and method for walking system of lawn mower |
| CN109975037A (en) * | 2019-04-22 | 2019-07-05 | 苏州大学 | A kind of grass trimmer Testing Platform |
-
2015
- 2015-02-10 CN CN201520094195.0U patent/CN204498764U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104620755A (en) * | 2015-02-10 | 2015-05-20 | 福建省晋江市三力机车有限公司 | Durability testing device and method for walking system of lawn mower |
| CN109975037A (en) * | 2019-04-22 | 2019-07-05 | 苏州大学 | A kind of grass trimmer Testing Platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20171121 |
|
| AV01 | Patent right actively abandoned |