CN104260302B - Oil pump test system and method for testing thereof - Google Patents
Oil pump test system and method for testing thereof Download PDFInfo
- Publication number
- CN104260302B CN104260302B CN201410403396.4A CN201410403396A CN104260302B CN 104260302 B CN104260302 B CN 104260302B CN 201410403396 A CN201410403396 A CN 201410403396A CN 104260302 B CN104260302 B CN 104260302B
- Authority
- CN
- China
- Prior art keywords
- oil
- pressure
- valve
- oil pump
- inserted valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76006—Pressure
- B29C2945/7601—Pressure derivative, change thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/7618—Injection unit
- B29C2945/76214—Injection unit drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76224—Closure or clamping unit
- B29C2945/7623—Closure or clamping unit clamping or closing drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/7624—Ejection unit
- B29C2945/76244—Ejection unit ejectors
- B29C2945/76247—Ejection unit ejectors drive means thereof
Abstract
The present invention relates to a kind of oil pump test system and method for testing thereof, this system includes master controller, for driving the servomotor of tested oil pump, for controlling the working connection that the servo control division equipments of servomotor, proportional pressure control valve, the second overflow valve and the delivery outlet with tested oil pump are connected；Also including for simulating the main test oil circuit that oil pump works in injection machine, main test oil route inserted valve A, inserted valve B, inserted valve C, direction valve, inflow pipeline and oil returning tube are constituted.Described proportional pressure control valve is for controlling the pressure of oil return.Inserted valve C and the second overflow valve collectively form the main safe pressure controller of working connection.The oil outlet end of the second overflow valve is connected to fuel tank by oil returning tube.Test oil pump confession oil need to through inserted valve oil sump tank complete test, proportional pressure control valve controls the pressure of oil return, thus realizes the pressure fluctuation test to oil pump, high speed and high pressure performance test, pressure maintaining performance test, noise test, testing fatigue, internal leakage test.
Description
Technical field
The present invention relates to injection machine technical field, particularly a kind of oil pump test system and method for testing thereof.
Background technology
nullThe work process of injection machine is generally divided into locked mode、Injection、Plasticizing、Pressurize、Cooling、Die sinking and the stage such as eject，The different stages needs hydraulic system to provide different pressures flow，Then hydraulic oil typically will experience pressurization，Pressurize and the cyclic process of pressure release，Along with deepening continuously of energy-conserving and environment-protective consciousness，People propose the highest requirement to energy consumption and the control accuracy of conventional injection molding machine，Need control accuracy high，Good stability，Noise is low，This just has at a relatively high requirement to oil pump，But oil pump brand is numerous currently on the market，Quality is very different，Determine a low noise the most at short notice、Low-pressure is pulsed、Wearability is good，Comply fully with the problem using the oil pump required to become numerous oil pump demander to solve，Test operationally it is tracked if be contained in by oil pump above machine，Not only test period is long，And product quality also can not be guaranteed.
Summary of the invention
It is an object of the invention to the deficiency overcoming above-mentioned prior art to exist, and provide a kind of simple and reasonable for structure, easy for installation, during test, test period is short, precision is high, oil pump test system that motility is strong and method of testing thereof, uses when selecting oil pump with oil feed pump demander.
The object of the present invention is achieved like this:
nullA kind of oil pump test system，Including master controller、For driving the servomotor of tested oil pump、For controlling the servo control division equipments of servomotor、Proportional pressure control valve、The working connection that second overflow valve and the delivery outlet with tested oil pump are connected，It is characterized in that，Also include for simulating the main test oil circuit that oil pump works in injection machine，Main test oil route inserted valve A、Inserted valve B、Inserted valve C、Direction valve、Inflow pipeline and oil returning tube are constituted，Inserted valve A and inserted valve B is connected between inflow pipeline and oil returning tube，Inserted valve C is connected between inflow pipeline and oil returning tube，Inflow pipeline connects with working connection，Direction valve is connected between the control oil pocket A of inflow pipeline and inserted valve A，Proportional pressure control valve is connected between the control oil pocket B of oil returning tube and inserted valve B，Second overflow valve is connected between the control oil pocket C of oil returning tube and inserted valve C，Oil returning tube is for being connected with fuel tank.Described proportional pressure control valve is for controlling the pressure of oil return.Inserted valve C and the second overflow valve collectively form the main safe pressure controller of working connection.The oil outlet end of the second overflow valve is connected to fuel tank by oil returning tube.
The purpose of the present invention can also use techniques below measure to solve:
As more specifically a kind of scheme, described servo control division equipments includes servo-driver, braking member, encoder and pressure transducer, servo-driver is electrically connected with master controller, braking member, encoder and pressure transducer respectively, encoder is arranged on servomotor, and pressure transducer is arranged on working connection.
Described inserted valve A is provided with oil-in A, oil-out A and described control oil pocket A, and inserted valve B is provided with oil-in B, oil-out B and described control oil pocket B, and oil-in A is connected with inflow pipeline, and oil-out A is connected with oil-in B, and oil-out B is connected with oil returning tube.Described inserted valve C is provided with oil-in C, oil-out C and described control oil pocket C, and oil-in C is connected with inflow pipeline, and oil-out C is connected with oil returning tube.
It is provided with guide throttle orifice between the control oil pocket A of described direction valve and inserted valve A.
A kind of pressure fluctuation method of testing of oil pump test system, it is characterized in that, system is when doing pressure fluctuation test, the flow set is sent by master controller, pressure instruction is to servo-driver, make servomotor by the rotating speed forward operating set, and export corresponding moment of torsion, set up the pressure set points of the second overflow valve, in system, direction valve electric magnet obtains electric, the hydraulic oil of target flow, the hydraulic oil of specified pressure returns to fuel tank through inserted valve C, by gathering the signal of pressure transducer, corresponding pressure curve can be drawn, the pulsation situation of oil pump is i.e. can get by curve.
A kind of high speed and high pressure aptitude tests method of oil pump test system, it is characterized in that, system is when doing high speed and high pressure aptitude tests, proportional pressure control valve sets specified pressure, the flow set is sent by master controller, pressure instruction is to servo-driver, make servomotor by the rotating speed forward operating set, and export corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder, the rotating speed of closed loop control servomotor, thus reach accuracy-control system flow, the hydraulic oil of specified pressure returns to fuel tank through inserted valve A and inserted valve B, by gathering the signal of pressure transducer, corresponding pressure curve can be drawn.
A kind of Noise Testing of oil pump test system, it is characterized in that, system is when doing noise test, proportional pressure control valve sets specified pressure, the flow set is sent by master controller, pressure instruction is to servo-driver, make each servomotor, by the rotating speed forward operating set, and export corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder, the rotating speed of closed loop control servomotor, thus reach accuracy-control system flow, the hydraulic oil of specified pressure returns to fuel tank through inserted valve A and inserted valve B, different pressure is set by comparative example overflow valve, different flows, noise measuring instrument is used can quickly to test out different pressure, the noise of tested oil pump under flow.
A kind of pressurize aptitude tests method of oil pump test system, it is characterized in that, system is when doing pressurize aptitude tests, the electric magnet of direction valve obtains electric, the pressure instruction set is sent to servo-driver by master controller, making servomotor export the moment of torsion specified, the pressure of setting should be dwell pressure when tested oil pump normally works and is slightly less than the control pressure of master pressure controller, can draw corresponding pressure curve by gathering the signal of pressure transducer.
A kind of internal leakage method of testing of oil pump test system, it is characterized in that, when system does internal leakage test, the electric magnet of direction valve obtains electric, by the pressure instruction of master controller transmission setting to servo-driver, make servomotor export the moment of torsion specified, set different pressure, shown by the motor speed of servo-driver, quick oil outlet pump pump internal leakage at various pressures.
The method for testing fatigue of a kind of oil pump test system, it is characterised in that when system does testing fatigue, the method test alternateed with high speed and high pressure aptitude tests in cycle time and pressurize aptitude tests, at the appointed time, if oil pump is still normal, then explanation oil pump meets the requirements.
Wherein, system is when doing high speed and high pressure aptitude tests, proportional pressure control valve sets specified pressure, by the flow of master controller transmission setting, pressure instruction to servo-driver, make servomotor be operated by the rotating speed forward set and be exported corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder, the rotating speed of closed loop control servomotor, thus reach accuracy-control system flow, it is intended that the hydraulic oil of pressure returns to fuel tank through inserted valve A and inserted valve B.
System is when doing pressurize aptitude tests, the electric magnet of direction valve obtains electric, the pressure instruction set is sent to servo-driver by master controller, making servomotor export the moment of torsion specified, the pressure of setting should be dwell pressure when tested oil pump normally works and is slightly less than the control pressure of master pressure controller.
Beneficial effects of the present invention is as follows:
Test oil pump confession oil need to through inserted valve oil sump tank complete test, proportional pressure control valve controls the pressure of oil return, thus realizes the pressure fluctuation test to oil pump, high speed and high pressure performance test, pressure maintaining performance test, noise test, testing fatigue, internal leakage test.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is that the present invention controls signal curve figure when doing testing fatigue.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
nullShown in Figure 1，A kind of oil pump test system，Including master controller 100、For driving the servomotor 102 of tested oil pump 103、For controlling the servo control division equipments of servomotor 102、Proportional pressure control valve 4、The working connection PO that second overflow valve 3 and the delivery outlet with tested oil pump 103 are connected，It is characterized in that，Also include for simulating the main test oil circuit that oil pump works in injection machine，Main test oil route inserted valve A6、Inserted valve B5、Inserted valve C2、Direction valve 7、Inflow pipeline 9 and oil returning tube 10 are constituted，Inserted valve A6 and inserted valve B5 is connected between inflow pipeline 9 and oil returning tube 10，Inserted valve C2 is connected between inflow pipeline 9 and oil returning tube 10，Inflow pipeline 9 connects with working connection PO，Direction valve 7 is connected between the control oil pocket A61 of inflow pipeline 9 and inserted valve A6，Proportional pressure control valve 4 is connected between the control oil pocket B51 of oil returning tube 10 and inserted valve B5，Second overflow valve 3 is connected between the control oil pocket C21 of oil returning tube 10 and inserted valve C2，Oil returning tube 10 is for being connected with fuel tank 8.
Described servo control division equipments includes servo-driver 104, braking member 105, encoder 101 and pressure transducer 106, servo-driver 104 is electrically connected with master controller 100, braking member 105, encoder 101 and pressure transducer 106 respectively, encoder 101 is arranged on servomotor 102, and pressure transducer 106 is arranged on working connection PO.
Described inserted valve A6 is provided with oil-in A62, oil-out A63 and described control oil pocket A61, inserted valve B5 is provided with oil-in B52, oil-out B53 and described control oil pocket B51, oil-in A62 is connected with inflow pipeline 9, and oil-out A63 is connected with oil-in B52, and oil-out B53 is connected with oil returning tube 10；Described inserted valve C2 is provided with oil-in C22, oil-out C23 and described control oil pocket C21, and oil-in C22 is connected with inflow pipeline 9, and oil-out C23 is connected with oil returning tube 10.
It is provided with guide throttle orifice 71 between A mouth and the control oil pocket A61 of inserted valve A6 of described direction valve 7.
A kind of pressure fluctuation method of testing of oil pump test system, system is when doing pressure fluctuation test, the flow set is sent by master controller 100, pressure instruction is to servo-driver 104, make servomotor 102 by the rotating speed forward operating set, and export corresponding moment of torsion, set up the pressure set points of the second overflow valve 3, in system, direction valve 7 electric magnet YA1 obtains electric, the hydraulic oil of target flow, the hydraulic oil of specified pressure returns to fuel tank 8 through inserted valve C2, by gathering the signal of pressure transducer 106, corresponding pressure curve can be drawn, the pulsation situation of oil pump is i.e. can get by curve.
A kind of high speed and high pressure aptitude tests method of oil pump test system, system is when doing high speed and high pressure aptitude tests, proportional pressure control valve 4 sets specified pressure, the flow set is sent by master controller 100, pressure instruction is to servo-driver 104, make servomotor 102 by the rotating speed forward operating set, and export corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder 101, the rotating speed of closed loop control servomotor 102, thus reach accuracy-control system flow, the hydraulic oil of specified pressure returns to fuel tank 8 through inserted valve A6 and inserted valve B5, by gathering the signal of pressure transducer 106, corresponding pressure curve can be drawn.
A kind of Noise Testing of oil pump test system, system is when doing noise test, proportional pressure control valve 4 sets specified pressure, the flow set is sent by master controller 100, pressure instruction is to servo-driver, make each servomotor 102, by the rotating speed forward operating set, and export corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder 101, the rotating speed of closed loop control servomotor 102, thus reach accuracy-control system flow, the hydraulic oil of specified pressure returns to fuel tank 8 through inserted valve A6 and inserted valve B5, different pressure is set by comparative example overflow valve 4, different flows, noise measuring instrument is used can quickly to test out different pressure, the noise of tested oil pump 103 under flow.
A kind of pressurize aptitude tests method of oil pump test system, system is when doing pressurize aptitude tests, the electric magnet YA1 of direction valve 7 obtains electric, the pressure instruction set is sent to servo-driver 104 by master controller 100, servomotor 102 is made to export the moment of torsion specified, the pressure set should be dwell pressure when tested oil pump 103 normally works and is slightly less than the control pressure of master pressure controller, can draw corresponding pressure curve by gathering the signal of pressure transducer 106.
A kind of internal leakage method of testing of oil pump test system, when system does internal leakage test, the electric magnet YA1 of direction valve 7 obtains electric, the pressure instruction set is sent to servo-driver 104 by master controller 100, servomotor 102 is made to export the moment of torsion specified, set different pressure, shown by the motor speed of servo-driver 104, quick oil outlet pump pump internal leakage at various pressures.
Shown in Fig. 2, a kind of method for testing fatigue of oil pump test system, when system does testing fatigue, method test (its control signal curve is shown in as shown in Figure 2) alternateed with high speed and high pressure aptitude tests in cycle time and pressurize aptitude tests, at the appointed time, if oil pump is still normal, then explanation oil pump meets the requirements.
System is when doing high speed and high pressure aptitude tests, proportional pressure control valve 4 sets specified pressure, the flow of setting, pressure instruction is sent to servo-driver 104 by master controller 100, servomotor 102 is made to be operated by the rotating speed forward set and be exported corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder 101, the rotating speed of closed loop control servomotor 102, thus reaching accuracy-control system flow, it is intended that the hydraulic oil of pressure returns to fuel tank 8 through inserted valve A6 and inserted valve B5.
System is when doing pressurize aptitude tests, the electric magnet YA1 of direction valve 7 obtains electric, the pressure instruction set is sent to servo-driver 104 by master controller 100, making servomotor 102 export the moment of torsion specified, the pressure of setting should be dwell pressure when tested oil pump 103 normally works and is slightly less than the control pressure of master pressure controller.
Claims (10)
- null1. an oil pump test system，Including master controller (100)、For driving the servomotor (102) of tested oil pump (103)、For controlling the servo control division equipments of servomotor (102)、Proportional pressure control valve (4)、The working connection (PO) that second overflow valve (3) and the delivery outlet with tested oil pump (103) are connected，It is characterized in that，Also include for simulating the main test oil circuit that oil pump works in injection machine，Main test oil route inserted valve A(6)、Inserted valve B(5)、Inserted valve C(2)、Direction valve (7)、Inflow pipeline (9) and oil returning tube (10) are constituted，Inserted valve A(6) and inserted valve B(5) be connected between inflow pipeline (9) and oil returning tube (10)，Inserted valve C(2) it is connected between inflow pipeline (9) and oil returning tube (10)，Inflow pipeline (9) connects with working connection (PO)，Direction valve (7) is connected to inflow pipeline (9) and inserted valve A(6) control oil pocket A(61) between，Proportional pressure control valve (4) is connected to oil returning tube (10) and inserted valve B(5) control oil pocket B(51) between, the second overflow valve (3) is connected to oil returning tube (10) and inserted valve C(2) control oil pocket C(21) between,Oil returning tube (10) is for being connected with fuel tank (8).
- Oil pump test system the most according to claim 1, it is characterized in that, described servo control division equipments includes servo-driver (104), braking member (105), encoder (101) and pressure transducer (106), servo-driver (104) is electrically connected with master controller (100), braking member (105), encoder (101) and pressure transducer (106) respectively, encoder (101) is arranged on servomotor (102), and pressure transducer (106) is arranged on working connection (PO).
- Oil pump test system the most according to claim 1, it is characterized in that, described inserted valve A(6) be provided with oil-in A(62), oil-out A(63) and described control oil pocket A(61), inserted valve B(5) be provided with oil-in B(52), oil-out B(53) and described control oil pocket B(51), oil-in A(62) it is connected with inflow pipeline (9), oil-out A(63) with oil-in B(52) be connected, oil-out B(53) be connected with oil returning tube (10)；Described inserted valve C(2) be provided with oil-in C(22), oil-out C(23) and described control oil pocket C(21), oil-in C(22) be connected with inflow pipeline (9), oil-out C(23) be connected with oil returning tube (10).
- The most according to claim 1 oil pump test system, it is characterised in that described direction valve (7) and inserted valve A(6) control oil pocket A(61) between be provided with guide throttle orifice (71).
- 5. one kind according to claim 1 oil pump test system method of testing, including pressure fluctuation method of testing, it is characterized in that, system is when doing pressure fluctuation test, the flow set is sent by master controller (100), pressure instruction is to servo-driver (104), make servomotor (102) by the rotating speed forward operating set, and export corresponding moment of torsion, set up the pressure set points of the second overflow valve (3), in system, direction valve (7) electric magnet (YA1) obtains electric, the hydraulic oil of target flow, the hydraulic oil of specified pressure is through inserted valve C(2) return to fuel tank (8), by gathering the signal of pressure transducer (106), corresponding pressure curve can be drawn, the pulsation situation of oil pump is i.e. can get by curve.
- null6. one kind according to claim 1 oil pump test system method of testing，Including high speed and high pressure aptitude tests method，It is characterized in that，System is when doing high speed and high pressure aptitude tests，Proportional pressure control valve (4) sets specified pressure，The flow set is sent by master controller (100)、Pressure instruction is to servo-driver (104)，Make servomotor (102) by the rotating speed forward operating set、And export corresponding moment of torsion，Thus export the hydraulic oil of target flow，And by the detection feedback signal of encoder (101)，The rotating speed of closed loop control servomotor (102)，Thus reach accuracy-control system flow，The hydraulic oil of specified pressure is through inserted valve A(6) and inserted valve B(5) return to fuel tank (8)，By gathering the signal of pressure transducer (106)，Corresponding pressure curve can be drawn.
- null7. one kind according to claim 1 oil pump test system method of testing，Including Noise Testing，It is characterized in that，System is when doing noise test，Proportional pressure control valve (4) sets specified pressure，The flow set is sent by master controller (100)、Pressure instruction is to servo-driver，Make each servomotor (102)、By the rotating speed forward operating set、And export corresponding moment of torsion，Thus export the hydraulic oil of target flow，And by the detection feedback signal of encoder (101)，The rotating speed of closed loop control servomotor (102)，Thus reach accuracy-control system flow，The hydraulic oil of specified pressure is through inserted valve A(6) and inserted valve B(5) return to fuel tank (8)，Different pressure is set by comparative example overflow valve (4)、Different flows，Noise measuring instrument is used can quickly to test out different pressure、The noise of tested oil pump (103) under flow.
- 8. one kind according to claim 1 oil pump test system method of testing, including pressurize aptitude tests method, it is characterized in that, system is when doing pressurize aptitude tests, the electric magnet (YA1) of direction valve (7) obtains electric, the pressure instruction set is sent to servo-driver (104) by master controller (100), servomotor (102) is made to export the moment of torsion specified, dwell pressure and be slightly less than the control pressure of master pressure controller when the pressure set should be tested oil pump (103) normally work, corresponding pressure curve can be drawn by gathering the signal of pressure transducer (106).
- 9. one kind according to claim 1 oil pump test system method of testing, including internal leakage method of testing, it is characterized in that, when system does internal leakage test, the electric magnet (YA1) of direction valve (7) obtains electric, the pressure instruction set is sent to servo-driver (104) by master controller (100), servomotor (102) is made to export the moment of torsion specified, set different pressure, shown by the motor speed of servo-driver (104), quick oil outlet pump pump internal leakage at various pressures.
- 10. one kind according to claim 1 oil pump test system method of testing, including method for testing fatigue, it is characterized in that, when system does testing fatigue, the method test alternateed with high speed and high pressure aptitude tests in cycle time and pressurize aptitude tests, at the appointed time, if oil pump is still normal, then explanation oil pump meets the requirements；System is when doing high speed and high pressure aptitude tests, proportional pressure control valve (4) sets specified pressure, the flow set is sent by master controller (100), pressure instruction is to servo-driver (104), make servomotor (102) by the rotating speed forward operating set, and export corresponding moment of torsion, thus export the hydraulic oil of target flow, and by the detection feedback signal of encoder (101), the rotating speed of closed loop control servomotor (102), thus reach accuracy-control system flow, the hydraulic oil of specified pressure is through inserted valve A(6) and inserted valve B(5) return to fuel tank (8)；System is when doing pressurize aptitude tests, the electric magnet (YA1) of direction valve (7) obtains electric, the pressure instruction set is sent to servo-driver (104) by master controller (100), servomotor (102) is made to export the moment of torsion specified, dwell pressure and be slightly less than the control pressure of master pressure controller when the pressure of setting should be tested oil pump (103) normally work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403396.4A CN104260302B (en) | 2014-08-16 | 2014-08-16 | Oil pump test system and method for testing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403396.4A CN104260302B (en) | 2014-08-16 | 2014-08-16 | Oil pump test system and method for testing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104260302A CN104260302A (en) | 2015-01-07 |
| CN104260302B true CN104260302B (en) | 2016-11-23 |
Family
ID=52151945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410403396.4A Active CN104260302B (en) | 2014-08-16 | 2014-08-16 | Oil pump test system and method for testing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260302B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820115B (en) * | 2015-05-08 | 2017-11-17 | 上海天行控制科技有限公司 | Ship-used log detects hydraulic pressure difference generating means and control method |
| CN105181243B (en) * | 2015-08-18 | 2018-05-11 | 哈尔滨电机厂有限责任公司 | The method for rejecting pressure fluctuation interference signal |
| CN107654444B (en) * | 2017-11-03 | 2019-07-26 | 北京天地玛珂电液控制系统有限公司 | A kind of the hydraulic pump test macro and method of automatic control |
| CN107676339B (en) * | 2017-11-03 | 2019-07-26 | 北京天地玛珂电液控制系统有限公司 | A kind of high-pressure hydraulic pump test hydraulic system and test method |
| CN108916020B (en) * | 2018-07-05 | 2019-12-13 | 北京联合大学 | Automatic detection equipment for pressure maintaining of hydraulic pump |
| CN110857687B (en) * | 2018-08-24 | 2022-05-13 | 恩格尔机械(上海)有限公司 | Method and device for monitoring the condition of a hydraulic pump |
| CN114962247A (en) * | 2022-07-19 | 2022-08-30 | 宝克(中国)测试设备有限公司 | Passenger vehicle oil pump testing system and testing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058278A (en) * | 1991-06-28 | 1993-01-19 | Ube Ind Ltd | Method for controlling temperature of operating oil of hydraulic device for injection molding machine |
| JP2000205141A (en) * | 1998-12-17 | 2000-07-25 | Caterpillar Inc | Method and device for diagnosing failure of pump |
| CN2668906Y (en) * | 2003-12-19 | 2005-01-05 | 中国铝业股份有限公司 | Hydraulic equipment detecting-experiment bench |
| KR101273217B1 (en) * | 2011-10-31 | 2013-06-12 | 주식회사 현대케피코 | Vibration test equipment for High pressure pump in Gasoline Direct Injection system |
| CN203335372U (en) * | 2013-07-08 | 2013-12-11 | 株洲市荣达铁路机电有限公司 | Transformer oil pump testing device |
| CN204054561U (en) * | 2014-08-16 | 2014-12-31 | 佛山市顺德区震德塑料机械有限公司 | Oil pump test macro |
-
2014
- 2014-08-16 CN CN201410403396.4A patent/CN104260302B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058278A (en) * | 1991-06-28 | 1993-01-19 | Ube Ind Ltd | Method for controlling temperature of operating oil of hydraulic device for injection molding machine |
| JP2000205141A (en) * | 1998-12-17 | 2000-07-25 | Caterpillar Inc | Method and device for diagnosing failure of pump |
| CN2668906Y (en) * | 2003-12-19 | 2005-01-05 | 中国铝业股份有限公司 | Hydraulic equipment detecting-experiment bench |
| KR101273217B1 (en) * | 2011-10-31 | 2013-06-12 | 주식회사 현대케피코 | Vibration test equipment for High pressure pump in Gasoline Direct Injection system |
| CN203335372U (en) * | 2013-07-08 | 2013-12-11 | 株洲市荣达铁路机电有限公司 | Transformer oil pump testing device |
| CN204054561U (en) * | 2014-08-16 | 2014-12-31 | 佛山市顺德区震德塑料机械有限公司 | Oil pump test macro |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104260302A (en) | 2015-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104260302B (en) | Oil pump test system and method for testing thereof | |
| CN103644170B (en) | A kind of test method of airplane hydraulic pressure action of low-voltage pulse | |
| CN111079308B (en) | Two-stage plunger booster type common rail fuel oil system simulation method for marine low-speed machine | |
| CN205900684U (en) | Accurate liquid system of annotating of numerical control | |
| CN209276141U (en) | A kind of oil filling machine | |
| CN204054561U (en) | Oil pump test macro | |
| CN103939421A (en) | Fatigue test method and device used for hydraulic cylinder | |
| CN103821783A (en) | Constant-pressure and constant-flow device of hydraulic oil supply system | |
| CN104090495A (en) | High-power electric control diesel engine pump nozzle fuel supply system modeling method | |
| DE102010027999A1 (en) | Method for cavitation detection at pumps, involves deriving control variable from switching signal for guiding conveyor device from region of cavitation according to detectable conveyor height reduction | |
| CN104502117A (en) | ABS performance test apparatus and method | |
| CN203822722U (en) | Leader control oilway pressure stabilizing system for servo-driven injection moulding machine | |
| CN203670322U (en) | Loading machine hydraulic cylinder movement velocity electro-hydraulic proportional control system | |
| CN102943714A (en) | Automobile fuel pump control method | |
| CN106958549B (en) | Flush pneumatic integrated system and its gas dynamic mode group | |
| US10668526B2 (en) | Die-casting machine with a valve diagnosis system | |
| CN201380582Y (en) | Oil-outlet servo control device of injection molding machine | |
| CN103292156B (en) | The duration control method of feed tank liquid level feedback is comprised in reversible fluid pump fluid delivery system | |
| CN204386859U (en) | Oil pump performance testing device | |
| CN112082794A (en) | Double-power-source gas cylinder fatigue experiment device | |
| CN205352860U (en) | Volume expansion system for rubber hose detection | |
| CN105938071A (en) | Volume expansion system for rubber hose detection | |
| CN207728648U (en) | A kind of integrated hydraulic power unit of high pressure high cleanliness two | |
| CN201961304U (en) | Electrically-controlled hydraulic brake assist system | |
| CN203817321U (en) | Casting speed control device for ingot casting of casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |