CN103573605A - Bench test control system for engine double-acting hydraulic pump - Google Patents
Bench test control system for engine double-acting hydraulic pump Download PDFInfo
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- CN103573605A CN103573605A CN201310545400.6A CN201310545400A CN103573605A CN 103573605 A CN103573605 A CN 103573605A CN 201310545400 A CN201310545400 A CN 201310545400A CN 103573605 A CN103573605 A CN 103573605A
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Abstract
The invention relates to a bench test control system for an engine double-acting hydraulic pump. The bench test control system for the engine double-acting hydraulic pump comprises an oil tank and a heat exchanger, wherein the heat exchanger is connected with the oil tank through a pipeline, the oil tank is connected with a first filer, a first flowmeter, a first hydraulic pump and a first by-pass solenoid valve in sequence through pipelines, the first by-pass solenoid valve is respectively connected with a first pressure-adjusting overflow valve and the heat exchanger through pipelines, the oil tank is connected with a second filter, a second flowmeter, a second hydraulic pump and a second by-pass solenoid valve in sequence through pipelines, and the second by-pass solenoid valve is respectively connected with a second pressure-adjusting overflow valve and the heat exchanger through pipelines. The bench test control system for the engine double-acting hydraulic pump can effectively utilize the power of an engine, and simulates the work state mode of the double-acting hydraulic pump on a whole car on a test bench by adjusting the work pressure of the hydraulic pumps, thereby improving the work reliability of the hydraulic pump, and meanwhile examining the bearing capacity of the engine.
Description
Technical field
The present invention relates to a kind of control system, especially a kind of motor double-action hydraulic pump stand test control system, can solve the reliability of engine whole vehicle hydraulic pump works, takes into account the bearing capacity of examination motor simultaneously.Belong to hydraulic control system technical field.
Background technique
Farm Machinery Market is sold fiery at present, especially Combined harvester market share raises especially successively, original mechanical transmission mechanism adopting has progressively adopted the hydraulic transmission mode of reliable transmission, thereby the hydraulic pump works performance of the auxiliary output of motor is had higher requirement.
According to the variation of oil hydraulic pump working pressure and flow under different rotating speeds operating mode, by artificially to the outer additional load of experimental liquid press pump, meet oil hydraulic pump reliably working under different rotating speeds and power range, effectively improve one of effective technology measure of hydraulic pump works reliability.
For above-mentioned situation, the working procedure of simulated solution press pump stand test control system on car load, mainly solve the reliability of engine whole vehicle hydraulic pump works, while avoiding producing the output of oil hydraulic pump power in motor and car load matching process, produce action not in place, hydraulic system vibration, noise is large, the work problem such as occur creeping.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of motor double-action hydraulic pump stand test control system is provided, this control system can effectively be utilized motor self power, make former engine whole vehicle external structure without any changes, by adjusting hydraulic pump works pressure, according to actual maneuvering load percentage, thereby on test-bed, simulate the working state pattern of double-action hydraulic pump on car load, with this, reach the reliability that improves hydraulic pump works, take into account the bearing capacity of examination motor simultaneously.
According to technological scheme provided by the invention, a kind of motor double-action hydraulic pump stand test control system comprises fuel tank, the first filter, first flow meter, the first oil hydraulic pump, the first bypass solenoid valve, the first pressure adjustment relief valve, the second filter, the second flowmeter, the second oil hydraulic pump, the second bypass solenoid valve, the second pressure adjustment relief valve, heat exchanger and pipeline etc.; On fuel tank, be respectively arranged with the first valve member, second valve door assembly and the 3rd valve member.
Described heat exchanger is connected with the first valve member on fuel tank by pipeline, on described fuel tank, second valve door assembly is connected with the first filter, first flow meter, the first oil hydraulic pump, the first bypass solenoid valve successively by pipeline, and described the first bypass solenoid valve is connected with the first pressure adjustment relief valve and heat exchanger respectively by pipeline; On described fuel tank, the 3rd valve member is connected with the second filter, the second flowmeter, the second oil hydraulic pump, the second bypass solenoid valve successively by pipeline; Described the second bypass solenoid valve is connected with the second pressure adjustment relief valve and described heat exchanger respectively by pipeline.
As improvement of the present invention, described the first pressure adjustment relief valve connects the first pressure gauge by pipeline.
As improvement of the present invention, described the second pressure adjustment relief valve connects the second pressure gauge by pipeline.
Compared with the prior art the present invention has the following advantages:
1, need on car load, not test;
2, do not need engine structure to carry out any change;
3, all pipelines are all used fast and connect;
4, easy to operate, cost performance is high, with least cost, realizes;
5, level of integration of the present invention is higher, and characteristics of compact layout is easy for installation, realizes removableization.
Accompanying drawing explanation
Fig. 1 is structure frame principle figure of the present invention.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in Figure 1, comprise fuel tank 1, the first filter 2, first flow meter 3, the first oil hydraulic pump 4, the first pressure gauge 5, the first bypass solenoid valve 6, the first pressure adjustment relief valve 7, the second filter 8, the second flowmeter 9, the second oil hydraulic pump 10, the second pressure gauge 11, the second bypass solenoid valve 12, the second pressure adjustment relief valve 13, heat exchanger 14 and pipeline etc.On fuel tank 1, be respectively arranged with the first valve member 1-1, second valve door assembly 1-2 and the 3rd valve member 1-3.
Described heat exchanger 14 is connected with the first valve member 1-1 on fuel tank 1 by pipeline, on described fuel tank 1, second valve door assembly 1-2 is connected with the first filter 2, first flow meter 3, the first oil hydraulic pump 4, the first bypass solenoid valve 6 successively by pipeline, and described the first bypass solenoid valve 6 is connected with the first pressure adjustment relief valve 7 and heat exchanger 14 respectively by pipeline; On described fuel tank 1, the 3rd valve member 1-3 is connected with the second filter 8, the second flowmeter 9, the second oil hydraulic pump 10, the second bypass solenoid valve 12 successively by pipeline; Described the second bypass solenoid valve 12 is connected with the second pressure adjustment relief valve 13 and described heat exchanger 14 respectively by pipeline.Described the first pressure adjustment relief valve 7 connects the first pressure gauge 5 by pipeline.Described the second pressure adjustment relief valve 13 connects the second pressure gauge 11 by pipeline.
The present invention comprises the connecting pipelines such as a fuel tank, hydraulic oil cooler, two fluid flowmeters, two cover pressure controlled valves, two cover system pressure gauges, valve and forms, by motor under different rotating speeds operating mode, according to pressure in hydraulic pump works process, the rule that flow intersection changes, regulating system pressure carrys out simulated solution press pump working state, with this, reaches the object that meets hydraulic pump works reliability.
The present invention is by adjust system pressure, artificially to the outer additional load of experimental liquid press pump, simulated solution press pump is working state under different rotating speeds, pressure, flow, according to the variation of oil hydraulic pump working pressure and flow under different rotating speeds operating mode, meeting oil hydraulic pump functional reliability under different rotating speeds and power range, is one of effective technology measure improving hydraulic pump works reliability.
Specific practice of the present invention is: first by vehicle test or analog computation, various rotating speed in engine working process, determines pressure and the flow of oil hydraulic pump under fully loaded and unloaded state.On threst stand, simulate the practical work process of oil hydraulic pump on car load, with this, reach the object that promotes hydraulic pump works reliability.
The present invention can effectively utilize motor self power, make former engine whole vehicle external structure without any changes, by adjusting hydraulic pump works pressure, according to actual maneuvering load percentage, thereby on test-bed, simulate the working state pattern of double-action hydraulic pump on car load, with this, reach the reliability that improves hydraulic pump works, take into account the bearing capacity of examination motor simultaneously; Avoiding producing oil hydraulic pump power when output in motor and car load matching process, to produce action not in place, hydraulic system vibration, and noise is large, the work problem such as occur creeping.
Claims (3)
1. a motor double-action hydraulic pump stand test control system, is characterized in that: comprise fuel tank (1), the first filter (2), first flow meter (3), the first oil hydraulic pump (4), the first bypass solenoid valve (6), the first pressure adjustment relief valve (7), the second filter (8), the second flowmeter (9), the second oil hydraulic pump (10), the second bypass solenoid valve (12), the second pressure adjustment relief valve (13) and heat exchanger (14); On fuel tank (1), be respectively arranged with the first valve member (1-1), second valve door assembly (1-2) and the 3rd valve member (1-3);
Described heat exchanger (14) is connected with upper the first valve member of fuel tank (1) (1-1) by pipeline, the upper second valve door assembly (1-2) of described fuel tank (1) is connected with the first filter (2), first flow meter (3), the first oil hydraulic pump (4), the first bypass solenoid valve (6) successively by pipeline, and described the first bypass solenoid valve (6) is connected with the first pressure adjustment relief valve (7) and heat exchanger (14) respectively by pipeline; Upper the 3rd valve member (1-3) of described fuel tank (1) is connected with the second filter (8), the second flowmeter (9), the second oil hydraulic pump (10), the second bypass solenoid valve (12) successively by pipeline; Described the second bypass solenoid valve (12) is connected with the second pressure adjustment relief valve (13) and described heat exchanger (14) respectively by pipeline.
2. a kind of motor double-action hydraulic pump stand test control system as claimed in claim 1, is characterized in that: described the first pressure adjustment relief valve (7) connects the first pressure gauge (5) by pipeline.
3. a kind of motor double-action hydraulic pump stand test control system as claimed in claim 1, is characterized in that: described the second pressure adjustment relief valve (13) connects the second pressure gauge (11) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545400.6A CN103573605B (en) | 2013-11-06 | 2013-11-06 | A kind of motor double-action hydraulic pump bench test control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545400.6A CN103573605B (en) | 2013-11-06 | 2013-11-06 | A kind of motor double-action hydraulic pump bench test control system |
Publications (2)
| Publication Number | Publication Date |
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| CN103573605A true CN103573605A (en) | 2014-02-12 |
| CN103573605B CN103573605B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310545400.6A Active CN103573605B (en) | 2013-11-06 | 2013-11-06 | A kind of motor double-action hydraulic pump bench test control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015176A (en) * | 2016-08-04 | 2016-10-12 | 广西玉柴机器股份有限公司 | Verification device for hydraulic transmission system of engine |
| CN106640617A (en) * | 2016-11-16 | 2017-05-10 | 中国北方发动机研究所(天津) | Steering pump test device for engine test bed |
Citations (6)
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|---|---|---|---|---|
| US4368638A (en) * | 1980-10-20 | 1983-01-18 | Deere & Company | Test stand for testing hydraulic devices |
| US5953977A (en) * | 1997-12-19 | 1999-09-21 | Carnegie Mellon University | Simulation modeling of non-linear hydraulic actuator response |
| CN101440799A (en) * | 2008-12-05 | 2009-05-27 | 奇瑞汽车股份有限公司 | Steering oil pump durability test apparatus |
| CN101487465A (en) * | 2009-02-20 | 2009-07-22 | 朱留存 | Oil pump performance detection tester for continuously variable transmission |
| CN102297123A (en) * | 2011-08-31 | 2011-12-28 | 盐城市真鹿高科技发展有限公司 | Internal combustion engine oil pump test bed |
| CN103133326A (en) * | 2011-11-28 | 2013-06-05 | 欧阳才伟 | Oil well pump gap leakage test method |
-
2013
- 2013-11-06 CN CN201310545400.6A patent/CN103573605B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368638A (en) * | 1980-10-20 | 1983-01-18 | Deere & Company | Test stand for testing hydraulic devices |
| US5953977A (en) * | 1997-12-19 | 1999-09-21 | Carnegie Mellon University | Simulation modeling of non-linear hydraulic actuator response |
| CN101440799A (en) * | 2008-12-05 | 2009-05-27 | 奇瑞汽车股份有限公司 | Steering oil pump durability test apparatus |
| CN101487465A (en) * | 2009-02-20 | 2009-07-22 | 朱留存 | Oil pump performance detection tester for continuously variable transmission |
| CN102297123A (en) * | 2011-08-31 | 2011-12-28 | 盐城市真鹿高科技发展有限公司 | Internal combustion engine oil pump test bed |
| CN103133326A (en) * | 2011-11-28 | 2013-06-05 | 欧阳才伟 | Oil well pump gap leakage test method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015176A (en) * | 2016-08-04 | 2016-10-12 | 广西玉柴机器股份有限公司 | Verification device for hydraulic transmission system of engine |
| CN106640617A (en) * | 2016-11-16 | 2017-05-10 | 中国北方发动机研究所(天津) | Steering pump test device for engine test bed |
| CN106640617B (en) * | 2016-11-16 | 2018-07-31 | 中国北方发动机研究所(天津) | A kind of threst stand steering pump test device |
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| Publication number | Publication date |
|---|---|
| CN103573605B (en) | 2016-03-16 |
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