CN114371014B - Loader hydraulic, walking and power matching performance testing method - Google Patents
Loader hydraulic, walking and power matching performance testing method Download PDFInfo
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- CN114371014B CN114371014B CN202111598862.5A CN202111598862A CN114371014B CN 114371014 B CN114371014 B CN 114371014B CN 202111598862 A CN202111598862 A CN 202111598862A CN 114371014 B CN114371014 B CN 114371014B
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000011056 performance test Methods 0.000 claims description 5
- 238000005457 optimization Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention discloses a method for testing hydraulic, walking and power matching performance of a loader, which comprises the following steps: s1, preparing a field, wherein the field is flat and hard, and a point in the field is used as a starting point. S2, the loader is driven to the test starting point position, and the loader is required to be opposite to a test site. S3, after the loader runs to the starting point position, the bucket is retracted to the extreme limit position, the movable arm falls to the lowest position, the engine is idling, and is hung into a forward gear, and the prototype is ensured to stop at the starting point position through service braking; after receiving the test start command, the driver releases the service brake, quickly steps the engine throttle to the bottom and simultaneously places the boom manipulating handle at the lifting position. Less resources are used to test if the hydraulic, running system of the loader is optimally matched.
Description
Technical Field
The invention relates to a method for testing hydraulic, walking and power matching performance of a loader.
Background
At present, the technical routes of the domestic loaders of different brands are basically consistent, but matching parameters of a transmission system, a hydraulic system and a power system are different, the comparison test of the hydraulic and walking matching advantages and the working efficiency of the loaders of different brands is verified through a large number of comparison tests, the comparison test period is long, the manpower and material resources are occupied, and therefore, a quick and convenient test method is needed, and in the shortest time, whether the hydraulic and walking systems of the loaders reach the optimal matching is tested by using less resources, so that effective data is provided for complete machine optimization.
Disclosure of Invention
The invention aims to provide a method for testing the hydraulic, walking and power matching performance of a loader, which aims at the problems, uses less resources to test whether the hydraulic and walking systems of the loader are optimally matched, and provides effective data for complete machine optimization.
In order to achieve the aim, the invention discloses a method for testing the hydraulic, walking and power matching performance of a loader, which comprises the following steps:
s1, preparing a field, wherein the field is flat and hard, and a point in the field is used as a starting point.
S2, the loader is driven to the test starting point position, and the loader is required to be opposite to a test site.
S3, after the loader runs to the starting point position, the bucket is retracted to the extreme limit position, the movable arm falls to the lowest position, the engine is idling, and is hung into a forward gear, and the prototype is ensured to stop at the starting point position through service braking; after receiving a test starting instruction, a driver releases a service brake, quickly stepping an engine accelerator to the bottom, simultaneously placing a movable arm operating handle at a lifting position, simultaneously operating the movable arm operating handle, simultaneously starting timing by a timing person, stopping timing when the movable arm is lifted to the highest limit position, simultaneously recording the projection position of the center of a front wheel on a road surface, measuring the walking distance from the starting point to the center of the front wheel when the movable arm is lifted to the highest limit, and recording the engine rotating speed change condition during the process of advancing the movable arm by the driver.
Preferably, in step S1, the field has a length of 20m and a width of 10m. The space of the field is enough, so that the test is ensured to be carried out smoothly.
Preferably, in step S1, the site is a sandy road surface. The tire is guaranteed not to skid, the test pavement is smooth, and obvious bulges and depressions are avoided. Ensuring that the test is carried out smoothly.
Preferably, in step S1, the lateral gradient of the field is not greater than 2.5% and the longitudinal gradient is not greater than 1.5%. Ensuring that the test is carried out smoothly.
Preferably, in steps S2 and S3, the loader is rated full, or both loaders are rated for loading an equivalent weight of material. The performance of the loader is fully tested or the two loaders are conveniently compared with each other.
Preferably, in step S3, the loader walking avoids steering adjustments. And the accuracy of the test result is ensured.
Preferably, in step S3, the lowest gear and the common work gear are tested separately. The data of the lowest speed gear and the common operation gear are tested respectively, so that the method is more visual and accurate.
Preferably, in step S3, the driver records the lowest engine speed during the prototype forward motion arm. And the record is convenient.
Preferably, in step S3, the timing means is a stopwatch and the distance measuring means is a 50m tape.
In summary, the beneficial effects of the invention are as follows: the hydraulic and power systems are optimally matched when the hydraulic and power system is in short-time and short-distance walking, the working efficiency is highest, fewer resources are used for testing whether the hydraulic and walking systems of the loader are optimally matched, and effective data are provided for complete machine optimization.
Drawings
FIG. 1 is a schematic view of the structure of a ramp in a method for testing hydraulic, walking and power matching performance of a loader according to the present invention;
FIG. 2 is a test result of a loader hydraulic, walking, power matching performance test method of the present invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 2, a method for testing hydraulic, walking and power matching performance of a loader comprises the following steps:
s1, preparing a field, wherein the field is flat and hard, and a point in the field is used as a starting point. The working condition of the loader is simulated, the test data is more accurate, and effective data is provided for complete machine optimization.
Specifically, in step S1, the field has a length of 20m and a width of 10m. The space of the field is enough, so that the test is ensured to be carried out smoothly.
Specifically, in step S1, the site is a sandy road surface. The tire is guaranteed not to skid, the test pavement is smooth, and obvious bulges and depressions are avoided. Ensuring that the test is carried out smoothly.
Specifically, in step S1, the lateral gradient of the field is not greater than 2.5% and the longitudinal gradient is not greater than 1.5%. Ensuring that the test is carried out smoothly.
S2, the loader is driven to the test starting point position, and the loader is required to be opposite to a test site.
Specifically, the loader is rated for full load. The performance of the loader is fully tested, the test data is more accurate, and effective data is provided for complete machine optimization.
S3, after the loader runs to the starting point position, the bucket is retracted to the extreme limit position, the movable arm falls to the lowest position, the engine is idling, and is hung into a forward gear, and the prototype is ensured to stop at the starting point position through service braking; after receiving a test starting instruction, a driver releases a service brake, quickly stepping an engine accelerator to the bottom, simultaneously placing a movable arm operating handle at a lifting position, simultaneously operating the movable arm operating handle, simultaneously starting timing by a timing person, stopping timing when the movable arm is lifted to the highest limit position, simultaneously recording the projection position of the center of a front wheel on a road surface, measuring the walking distance from the starting point to the center of the front wheel when the movable arm is lifted to the highest limit, and recording the engine rotating speed change condition during the process of advancing the movable arm by the driver.
Specifically, in step S3, the loader walking process avoids steering adjustment. And the accuracy of the test result is ensured.
Specifically, in step S3, the lowest gear and the common work gear are tested, respectively. The data of the lowest speed gear and the common operation gear are tested respectively, so that the method is more visual and accurate.
Specifically, in step S3, the driver records the lowest engine speed during the prototype forward behavior arm. And the record is convenient.
Specifically, in step S3, the timer means is a stopwatch and the distance measuring means is a 50m tape.
The working efficiency is highest, fewer resources are used for testing whether the hydraulic pressure and the traveling system of the loader are optimally matched, and effective data are provided for complete machine optimization. Engineering technicians can adjust the hydraulic pressure and the traveling system of the loader according to the test data to achieve the best matching of the hydraulic pressure and the traveling system.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (9)
1. The hydraulic, walking and power matching performance test method for the loader is characterized by comprising the following steps of:
s1, preparing a field, wherein the field is flat and hard, and a point in the field is used as a starting point;
s2, the loader is driven to a testing starting point position, and the loader is required to be opposite to a testing site;
s3, after the loader runs to the starting point position, the bucket is retracted to the extreme limit position, the movable arm falls to the lowest position, the engine is idling, and is hung into a forward gear, and the prototype is ensured to stop at the starting point position through service braking; after receiving a test starting instruction, a driver releases a service brake, quickly stepping an engine accelerator to the bottom, simultaneously placing a movable arm operating handle at a lifting position, simultaneously operating the movable arm operating handle, simultaneously starting timing by a timing person, stopping timing when the movable arm is lifted to the highest limit position, simultaneously recording the projection position of the center of a front wheel on a road surface, measuring the walking distance from the starting point to the center of the front wheel when the movable arm is lifted to the highest limit, and recording the engine rotating speed change condition during the process of advancing the movable arm by the driver.
2. The method for testing hydraulic, walking and power matching performance of a loader according to claim 1, wherein in step S1, the length of the field is 20m and the width is 10m.
3. The method for testing hydraulic, walking and power matching performance of a loader according to claim 2, wherein in step S1, the site is a sandy road surface.
4. The loader hydraulic, walking, and power matching performance test method of claim 1, wherein in step S1, the lateral gradient of the field is not more than 2.5% and the longitudinal gradient is not more than 1.5%.
5. The hydraulic, walking, and power matching performance testing method of a loader according to any one of claims 1 to 4, wherein in steps S2 and S3, the loader is rated full or two loaders are compared and evaluated for loading an equal weight of material.
6. The hydraulic, walking, power matching performance test method of a loader according to any one of claims 1 to 4, wherein in step S3, the loader walking process avoids steering adjustment.
7. The hydraulic, walking, and power matching performance test method of a loader according to any one of claims 1 to 4, wherein in step S3, a lowest gear and a common work gear are tested, respectively.
8. The method for testing hydraulic, walking, and power matching performance of a loader according to any one of claims 1 to 4, wherein in step S3, the driver records the lowest engine speed during the prototype forward behavior arm.
9. The method for testing hydraulic, walking and power matching performance of a loader according to any one of claims 1 to 4, wherein in step S3, the time counting tool is a stopwatch and the distance measuring tool is a 50m tape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111598862.5A CN114371014B (en) | 2021-12-24 | 2021-12-24 | Loader hydraulic, walking and power matching performance testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111598862.5A CN114371014B (en) | 2021-12-24 | 2021-12-24 | Loader hydraulic, walking and power matching performance testing method |
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| CN114371014A CN114371014A (en) | 2022-04-19 |
| CN114371014B true CN114371014B (en) | 2024-03-22 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220143A1 (en) * | 1981-08-05 | 1983-03-24 | Mannesmann AG, 4000 Düsseldorf | METHOD FOR MEASURING THE LOAD QUANTITY OR LOADING PERFORMANCE OF HYDRAULIC EXCAVATORS OR THE LIKE |
| JP2005016046A (en) * | 2003-06-24 | 2005-01-20 | Hitachi Constr Mach Co Ltd | Illumination control device for construction machine, and construction machine equipped with the same |
| CN101025389A (en) * | 2007-02-12 | 2007-08-29 | 三一重机有限公司 | Hydraulic digger operating device fatigue testing method |
| CN102021925A (en) * | 2009-09-21 | 2011-04-20 | 北汽福田汽车股份有限公司 | Control system and method for matching excavator power |
| CN105571754A (en) * | 2016-01-18 | 2016-05-11 | 厦门理工学院 | Energy saving effect on-line testing and evaluation method and system for excavator hydraulic system |
| WO2018037936A1 (en) * | 2016-08-26 | 2018-03-01 | 株式会社小松製作所 | Wheel loader, and method for controlling wheel loader |
| CN110206090A (en) * | 2019-04-28 | 2019-09-06 | 江苏徐工工程机械研究院有限公司 | A kind of loading mechanical shovel pretends industry shift control method, apparatus and system |
| CN110455540A (en) * | 2019-08-14 | 2019-11-15 | 广西玉柴机器股份有限公司 | Load the test method of mechanomotive force distribution |
| JP2020165230A (en) * | 2019-03-29 | 2020-10-08 | 日立建機株式会社 | Wheel loader |
-
2021
- 2021-12-24 CN CN202111598862.5A patent/CN114371014B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220143A1 (en) * | 1981-08-05 | 1983-03-24 | Mannesmann AG, 4000 Düsseldorf | METHOD FOR MEASURING THE LOAD QUANTITY OR LOADING PERFORMANCE OF HYDRAULIC EXCAVATORS OR THE LIKE |
| JP2005016046A (en) * | 2003-06-24 | 2005-01-20 | Hitachi Constr Mach Co Ltd | Illumination control device for construction machine, and construction machine equipped with the same |
| CN101025389A (en) * | 2007-02-12 | 2007-08-29 | 三一重机有限公司 | Hydraulic digger operating device fatigue testing method |
| CN102021925A (en) * | 2009-09-21 | 2011-04-20 | 北汽福田汽车股份有限公司 | Control system and method for matching excavator power |
| CN105571754A (en) * | 2016-01-18 | 2016-05-11 | 厦门理工学院 | Energy saving effect on-line testing and evaluation method and system for excavator hydraulic system |
| WO2018037936A1 (en) * | 2016-08-26 | 2018-03-01 | 株式会社小松製作所 | Wheel loader, and method for controlling wheel loader |
| JP2020165230A (en) * | 2019-03-29 | 2020-10-08 | 日立建機株式会社 | Wheel loader |
| CN110206090A (en) * | 2019-04-28 | 2019-09-06 | 江苏徐工工程机械研究院有限公司 | A kind of loading mechanical shovel pretends industry shift control method, apparatus and system |
| CN110455540A (en) * | 2019-08-14 | 2019-11-15 | 广西玉柴机器股份有限公司 | Load the test method of mechanomotive force distribution |
Non-Patent Citations (6)
| Title |
|---|
| Li Lun ; et al.Research on Power Characteristics Matching of Electric Drive Crawler Bulldozer.2019 3rd International Conference on Electronic Information Technology and Computer Engineering (EITCE).2020,429-433. * |
| 挖掘机整体性能检测要点探讨;罗伟锋;;工程机械与维修;20180910(05);36-38 * |
| 液压挖掘机功率匹配与动力源优化综合控制策略;王冬云;等;农业机械学报;20090425(04);91-95 * |
| 液压挖掘机功率匹配与效率控制技术研究;陈鹏飞;;现代制造技术与装备;20160715(07);3、7 * |
| 装载机动力传动系统参数匹配与仿真;林振贤;中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑;20150515(第05期);C029-197 * |
| 轮式装载机性能评价指标和建模仿真研究;高燕雯;中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑;20140715(第07期);C029-152 * |
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