CN202108718U - Oil pump performance testing equipment - Google Patents
Oil pump performance testing equipment Download PDFInfo
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- CN202108718U CN202108718U CN2011201894501U CN201120189450U CN202108718U CN 202108718 U CN202108718 U CN 202108718U CN 2011201894501 U CN2011201894501 U CN 2011201894501U CN 201120189450 U CN201120189450 U CN 201120189450U CN 202108718 U CN202108718 U CN 202108718U
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- positioning seat
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Abstract
Oil pump performance testing equipment belongs to oil pump testing devices and comprises a rack, and an oil pump clamping mechanism, an oil path testing mechanism, an oil pump transmission mechanism, an oil temperature control mechanism, a transducer and a variable frequency motor connected on the rack, as well as a central controller and a variable frequency motor rotation switch and a parameter comparison display mechanism electrically connected with the central controller, wherein the transducer is electrically connected with the variable frequency motor which is connected with the oil pump transmission mechanism that is connected with the oil pump fastening mechanism and is provided with a rotation speed sensor; a pressure sensor and a flow meter are arranged on the oil path testing mechanism; a temperature sensor is arranged on the oil temperature control mechanism; and the oil pump fastening mechanism, the oil path testing mechanism, the oil temperature control mechanism, the transducer, the rotation speed sensor, the pressure sensor, the flow meter and the temperature sensor are all connected with the central controller. The oil pump performance testing equipment has the advantages that the operation is simple and the working efficiency is high.
Description
Technical field:
The utility model relates to a kind of testing apparatus of oil pump, specifically is a kind of oil pump performance test apparatus of motor car engine.
Background technique:
It is the same that the oil pump of motor car engine is equivalent to human heart, have a very important role, so oil pump must can drop into automobilism and use through 100% testing property before dispatching from the factory.At present, existing oil pump testing property mainly is to adopt manual operation mode, and promptly the staff needs manual tune each item test parameter; Like oil pump rotating speed, oil pressure, oil temperature or the like; Therefore be not difficult to learn, obtain detailed oil pump performance data, the staff just need carry out manual tune each item test parameter operation repeatedly in the oil pump test process; Complicated operation not only, and working efficiency is low.
The model utility content:
The technical problem that the utility model will solve is, provides a kind of not only simple to operate, and the oil pump performance test apparatus that can also increase work efficiency greatly.
The technical solution of the utility model is; A kind of oil pump performance test apparatus with following structure is provided: comprise frame and be connected oil pump fastening device on the frame, test oil circuit mechanism, oil pump driving mechanism, oily temperature control mechanism, frequency variator and variable-frequency motor; Frequency variator is electrically connected with variable-frequency motor; Variable-frequency motor is connected with the oil pump driving mechanism; The oil pump driving mechanism is connected with the oil pump fastening device, wherein, and variable-frequency motor rotating switch and parameter comparison indication mechanism that it also comprises central control unit and is electrically connected with central control unit; The oil pump driving mechanism is provided with speed probe; Test oil circuit mechanism is provided with pressure transducer and flowmeter, and oily temperature control mechanism is provided with temperature transducer, and oil pump fastening device, test oil circuit mechanism, oily temperature control mechanism, frequency variator, speed probe, pressure transducer, flowmeter and temperature transducer all are electrically connected with central control unit.
The described oil pump performance test apparatus of the utility model; Wherein, The oil pump driving mechanism comprises transmission shaft and is with synchronously that an end of band is connected with the motor shaft of variable-frequency motor synchronously, and its other end is connected with transmission shaft one end; The transmission shaft the other end is connected with the oil pump fastening device, and speed probe is connected on the transmission shaft.
The described oil pump performance test apparatus of the utility model; Wherein, Test oil circuit mechanism comprises and is located at the oil storage tank on the frame and is used for being connected with oil pump first oil inlet pipe and first oil outlet tube that communicates; The oil outlet end of the oil inlet end of first oil inlet pipe and first oil outlet tube all communicates with oil storage tank; Connect successively between the oil inlet end of first oil inlet pipe and its oil outlet end and be connected with automatic self-cleaning filter and electric control valve mutually, flowmeter connects and communicates between the oil inlet end and filter oil inlet end of first oil inlet pipe, and pressure transducer is connected the oil outlet end place of first oil inlet pipe; Connect between the oil inlet end of flowmeter and the oil outlet end of electric control valve and be connected with the safety return-flow valve mutually, pressure transducer, self-cleaning filter and electric control valve all are electrically connected with central control unit automatically.
The described oil pump performance test apparatus of the utility model; Wherein, Oil temperature control mechanism comprises the heater and heating control switch that all is electrically connected with central control unit, and heater and temperature transducer all are connected with test oil circuit mechanism, and the heating control switch is connected on the frame.
The described oil pump performance test apparatus of the utility model; Wherein, The parameter comparison indication mechanism comprises pressure display table, flow monitor instrument, rotating speed display list and the temperature display watch that is arranged on the frame, and pressure display table, flow monitor instrument, rotating speed display list and temperature display watch all are electrically connected with central control unit.
The described oil pump performance test apparatus of the utility model, wherein, the oil pump fastening device comprise positioning seat, oil hydraulic cylinder, oil well pump, oil pumping motor, clamping switch, several oil cylinders and with corresponding several jaws of oil cylinder; Positioning seat and oil hydraulic cylinder all are connected on the frame; Positioning seat middle part is provided with axis hole, and oil pumping motor is connected on the oil hydraulic cylinder, and oil well pump is connected with oil hydraulic cylinder and communicates; The motor shaft of oil pumping motor is connected with oil well pump; Several oil cylinders are connected on the positioning seat rear wall, and positioning seat and several oil cylinder joints are equipped with through hole, and it is corresponding one by one hinged with several jaws respectively that the piston rod of several oil cylinders passes through hole; Be connected with on the positioning seat antetheca and the corresponding one by one some struts of several jaws; Jaw middle part is hinged through connecting rod and strut, all is connected through second oil inlet pipe between several oil cylinders and the oil well pump to communicate, and all is connected through second oil outlet tube between several oil cylinders and the oil hydraulic cylinder to communicate; Clamping switch is connected on the frame, and is electrically connected with central control unit.
The described oil pump performance test apparatus of the utility model; Wherein, Also be provided with on the positioning seat and be used for being connected with the oil pump oil circuit oil inlet hole and the oil outlet that communicates, the oil outlet of first oil inlet pipe is connected with oil inlet hole one end and communicates, and the filler opening of first oil outlet tube is connected with oil outlet one end and communicates.
After adopting above structure; Compared with prior art; The utility model oil pump performance test apparatus has the following advantages: owing to be used to change frequency variator, test oil circuit mechanism and the oily temperature control mechanism of oil pump test parameter in the utility model oil pump performance test apparatus all is directly actuated by central control unit; Be that automatically control frequency variator, test oil circuit mechanism and oily temperature control mechanism change test parameter to central control unit in the oil pump test process; Therefore the staff need not to carry out the operation of any manual tune test parameter again in whole oil pump performance test process; Thereby not only greatly facilitate the operation of the utility model oil pump performance test apparatus, but also make whole oil pump performance test process become simply smooth and easy, thereby improved its working efficiency greatly.
Oil pump fastening device in the utility model oil pump performance test apparatus has been abandoned and traditional has been passed through to use the spanner screw rod of screwing to drive briquetting and be fixed on the mode on the positioning seat to oil pump; But through the mode that hydraulic pressure compresses oil pump is fixed, promptly after the staff places oil pump on the positioning seat, only need press clamping switch; Central control unit will be controlled oil pumping motor and rotate; Oil pumping motor drives oil well pump and rotates, and makes oil well pump to oil cylinder delivery hydraulic pressure oil, and the piston rod of oil cylinder promotes jaw and rotates around strut under the effect of hydraulic oil; Jaw is pressed on the oil pump; Therefore, the fastening device in the utility model oil pump performance test apparatus can be accomplished oil pump fast and compress work, thereby has not only simplified operation; But also reduce clamping regular time greatly, improved working efficiency.
Being located at the oil inlet hole that is used to supply the oil pump oil circuit and first oil inlet pipe to be connected with first oil outlet tube on the positioning seat and communicates and the effect of oil outlet in the utility model oil pump performance test apparatus is; After oil pump is fixed on the positioning seat, can the oil pump oil circuit is connected with first oil outlet tube with first oil inlet pipe through oil inlet hole and oil outlet communicates; Therefore further save the fixing required time of oil pump clamping, improved working efficiency.
Description of drawings:
Fig. 1 is the perspective view of the utility model oil pump performance test apparatus;
Fig. 2 is the perspective view after the utility model oil pump performance test apparatus removes frame, status indicator lamp and radiation fan;
Fig. 3 is the structure for amplifying schematic representation in I zone among Fig. 2;
Fig. 4 is the structural representation of positioning seat in the utility model oil pump performance test apparatus;
Fig. 5 is the working principle skeleton diagram of the utility model oil pump performance test apparatus.
Embodiment:
Below in conjunction with accompanying drawing and embodiment the utility model oil pump performance test apparatus is described further:
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; In this embodiment, the utility model oil pump performance test apparatus comprises frame 1 and is connected power switch 41 on the frame 1, power supply indicator 42, emergency stop switch 43, status indicator lamp 35, two radiation fans 36, oil pump fastening device, test oil circuit mechanism, oil pump driving mechanism, oily temperature control mechanism, parameter comparison indication mechanism, frequency variator 9, variable-frequency motor 10 and variable-frequency motor rotating switch 16 that frequency variator 9 is electrically connected with variable-frequency motor 10; The parameter comparison indication mechanism comprises pressure display table 37, flow monitor instrument 38, rotating speed display list 39 and the temperature display watch 40 that is arranged on the frame 1; The oil pump fastening device comprise positioning seat 6, oil hydraulic cylinder 18, oil well pump 19, oil pumping motor 20, clamping switch 27, four oil cylinders 21 and with oil cylinder 21 corresponding four jaws 22, positioning seat 6 and oil hydraulic cylinder 18 all are connected on the frame 1, oil pumping motor 20 is connected on the oil hydraulic cylinder 18; Oil well pump 19 is connected with oil hydraulic cylinder 18 and communicates; The motor shaft of oil pumping motor 20 is connected with oil well pump 19, and four oil cylinders 21 are connected on positioning seat 6 rear walls, and positioning seat 6 and four oil cylinder 21 joints are equipped with through hole 23; It is corresponding one by one hinged with four jaws 22 respectively that the piston rod of four oil cylinders 21 passes through hole 23; Be connected with on positioning seat 6 antethecas and four jaws 22, four struts 24 one to one, jaw 22 middle parts are hinged through connecting rod 2 and strut 24, all are connected through second oil inlet pipe 25 between four oil cylinders 21 and the oil well pump 19 to communicate; All be connected between four oil cylinders 21 and the oil hydraulic cylinder 18 and communicate through second oil outlet tube 26; Clamping switch 27 is connected on the frame 1, and positioning seat 6 is provided with axis hole 28 and is used for being connected the oil inlet hole 13 and oil outlet 29 that communicates with the oil pump oil circuit, and the oil pump driving mechanism comprises transmission shaft 11 and is with 14 synchronously; Be connected with the motor shaft of variable-frequency motor 10 with an end of 14 synchronously; Its other end is connected with transmission shaft 11 1 ends, and transmission shaft 11 the other ends pass axis hole 28 and stretch out outside positioning seat 6, are connected with speed probe 15 on the transmission shaft 11; Test oil circuit mechanism comprises the oil storage tank of being located on the frame 13 and is used for being connected with oil pump first oil inlet pipe 7 and first oil outlet tube 8 that communicates; The oil outlet end of the oil inlet end of first oil inlet pipe 7 and first oil outlet tube 8 all communicates with oil storage tank 3, and the oil outlet of first oil inlet pipe 7 is connected with oil inlet hole 13 1 ends and communicates, and the filler opening of first oil outlet tube 8 is connected with oil outlet 29 1 ends and communicates; Connect successively between the oil inlet end of first oil inlet pipe 7 and its oil outlet end and be connected with flowmeter 31, self-cleaning filter 32 and electric control valve 33 automatically mutually; The oil outlet end place of first oil inlet pipe 7 is connected with pressure transducer 30, connects between the oil outlet end of the oil inlet end of flowmeter 31 and electric control valve 33 to be connected with safety return-flow valve 34 mutually, and oily temperature control mechanism comprises heater 4 and heating control switch 17; Heater 4 is connected on oil storage tank 3 sidewalls; Heating control switch 17 is connected on the frame 1, is connected with temperature transducer 5 on oil storage tank 3 sidewalls, and central control unit 12 is respectively with variable-frequency motor rotating switch 16, speed probe 15, pressure transducer 30, flowmeter 31, temperature transducer 5, pressure display table 37, flow monitor instrument 38, rotating speed display list 39, temperature display watch 40, power switch 41, power supply indicator 42, emergency stop switch 43, status indicator lamp 35, two radiation fans 36, clamping switches 27, self-cleaning filter 32, electric control valve 33, heater 4 and heating control switch 17 are electrically connected automatically.
The working principle of the utility model is: press power switch 41; Central control unit 12 energisings start; The oil pump of needs test is placed on the positioning seat 6; And the pump shaft of oil pump is connected with transmission shaft 11, press clamping switch 27, central control unit 12 control oil pumping motors 20 rotate; Oil pumping motor 20 drives oil well pump 19 and rotates; Oil well pump 19 extracts hydraulic oil from oil hydraulic cylinder 18 and flows to oil cylinder 21, and the piston rod of oil cylinder 21 promotes jaw 22 under the effect of hydraulic oil, and jaw 22 stressed rotations around strut 24 are pressed on the oil pump one of which end; Oil pump is fixed on the positioning seat 6; Press rotating switch 16 and temp control switch 17 then, central control unit 12 control variable-frequency motors 10 start with heater 4, and central control unit 12 begins to control respectively oil temperature, oil pressure and the flow that frequency variator 9, heater 4 and electric control valve 33 go to change oil pump rotating speed, test oil then; Pressure transducer 30, flowmeter 31, speed probe 15 and temperature transducer 5 are delivered to real-time detected test data in the central control unit 12; Central control unit 12 is sent to the test reference data respectively in pressure display table 37, flow monitor instrument 38, rotating speed display list 39 and the temperature display watch 40 and shows, the detected test data of each sensor in real time also is sent to respectively in pressure display table 37, flow monitor instrument 38, rotating speed display list 39 and the temperature display watch 40 to show simultaneously, the staff through two groups of data are compared can judge easily after the analysis the oil pump of surveying whether qualified.
Above-described embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that those of ordinary skills make the technological scheme of the utility model all should fall in the protection domain of the utility model.
Claims (7)
1. oil pump performance test apparatus; Comprise frame (1) and be connected oil pump fastening device on the frame (1), test oil circuit mechanism, oil pump driving mechanism, oily temperature control mechanism, frequency variator (9) and variable-frequency motor (10); Said frequency variator (9) is electrically connected with variable-frequency motor (10); Said variable-frequency motor (10) is connected with the oil pump driving mechanism; Said oil pump driving mechanism is connected with the oil pump fastening device; It is characterized in that: it also comprises central control unit (12) and the variable-frequency motor rotating switch (16) and the parameter comparison indication mechanism that are electrically connected with central control unit (12); Said oil pump driving mechanism is provided with speed probe (15); Said test oil circuit mechanism is provided with pressure transducer (30) and flowmeter (31), and said oily temperature control mechanism is provided with temperature transducer (5), and said oil pump fastening device, test oil circuit mechanism, oily temperature control mechanism, frequency variator (9), speed probe (15), pressure transducer (30), flowmeter (31) and temperature transducer (5) all are electrically connected with central control unit (12).
2. oil pump performance test apparatus according to claim 1; It is characterized in that: described oil pump driving mechanism comprises transmission shaft (11) and is with (14) synchronously; One end of said synchronous band (14) is connected with the motor shaft of variable-frequency motor (10); Its other end is connected with transmission shaft (11) one ends, and transmission shaft (11) the other end is connected with the oil pump fastening device, and said speed probe (15) is connected on the transmission shaft (11).
3. oil pump performance test apparatus according to claim 1; It is characterized in that: described test oil circuit mechanism comprises the oil storage tank of being located on the frame (1) (3) and is used for being connected with oil pump first oil inlet pipe (7) and first oil outlet tube (8) that communicates; The oil outlet end of the oil inlet end of said first oil inlet pipe (7) and first oil outlet tube (8) all communicates with oil storage tank (3); Connect successively between the oil inlet end of said first oil inlet pipe (7) and its oil outlet end and be connected with automatic self-cleaning filter (32) and electric control valve (33) mutually; Said flowmeter (31) connection communicates between the oil inlet end and filter (32) oil inlet end of first oil inlet pipe (7); Pressure transducer (30) is connected the oil outlet end place of first oil inlet pipe (7); Connect between the oil inlet end of said flowmeter (31) and the oil outlet end of electric control valve (33) and be connected with safety return-flow valve (34) mutually, said pressure transducer (30), self-cleaning filter (32) and electric control valve (33) all are electrically connected with central control unit (12) automatically.
4. oil pump performance test apparatus according to claim 1; It is characterized in that: described oily temperature control mechanism comprises heater (4) and the heating control switch (17) that all is electrically connected with central control unit (12); Said heater (4) and temperature transducer (5) all are connected with test oil circuit mechanism, and said heating control switch (17) is connected on the frame (1).
5. according to claim 1 or 2 or 3 or 4 described oil pump performance test apparatus; It is characterized in that: described parameter comparison indication mechanism comprises pressure display table (37), flow monitor instrument (38), rotating speed display list (39) and the temperature display watch (40) that is arranged on the frame (1), and said pressure display table (37), flow monitor instrument (38), rotating speed display list (39) and temperature display watch (40) all are electrically connected with central control unit (12).
6. oil pump performance test apparatus according to claim 5; It is characterized in that: said oil pump fastening device comprise positioning seat (6), oil hydraulic cylinder (18), oil well pump (19), oil pumping motor (20), clamping switch (27), several oil cylinders (21) and with corresponding several jaws of oil cylinder (21) (22); Said positioning seat (6) and oil hydraulic cylinder (18) all are connected on the frame (1); Said positioning seat (6) middle part is provided with axis hole (28); Said oil pumping motor (20) is connected on the oil hydraulic cylinder (18); Said oil well pump (19) is connected with oil hydraulic cylinder (18) and communicates, and the motor shaft of said oil pumping motor (20) is connected with oil well pump (19), and said several oil cylinders (21) are connected on positioning seat (6) rear wall; Said positioning seat (6) is equipped with through hole (23) with several oil cylinders (21) joint; It is corresponding one by one hinged with several jaws (22) respectively that the piston rod of said several oil cylinders (21) passes through hole (23), is connected with and the corresponding one by one some struts of several jaws (22) (24) on said positioning seat (6) antetheca, and said jaw (22) middle part is hinged through connecting rod (2) and strut (24); All be connected between said several oil cylinders (21) and the oil well pump (19) and communicate through second oil inlet pipe (25); All be connected through second oil outlet tube (26) between said several oil cylinders (21) and the oil hydraulic cylinder (18) and communicate, said clamping switch (27) is connected on the frame (1), and is electrically connected with central control unit (12).
7. oil pump performance test apparatus according to claim 6; It is characterized in that: also be provided with on the said positioning seat (6) and be used for being connected oil inlet hole (13) and the oil outlet (29) that communicates with the oil pump oil circuit; The oil outlet of said first oil inlet pipe (7) is connected with oil inlet hole (13) one ends and communicates, and the filler opening of said first oil outlet tube (8) is connected with oil outlet (29) one ends and communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201894501U CN202108718U (en) | 2011-06-07 | 2011-06-07 | Oil pump performance testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201894501U CN202108718U (en) | 2011-06-07 | 2011-06-07 | Oil pump performance testing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN202108718U true CN202108718U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201894501U Expired - Fee Related CN202108718U (en) | 2011-06-07 | 2011-06-07 | Oil pump performance testing equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN202108718U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953536A (en) * | 2014-03-19 | 2014-07-30 | 衢州学院 | Testing device for oil pump of automobile |
| CN103953534A (en) * | 2014-03-19 | 2014-07-30 | 衢州学院 | Testing device for oil pump of automobile |
| CN103953535A (en) * | 2014-03-19 | 2014-07-30 | 衢州学院 | Testing device for oil pump of automobile |
| CN104121180A (en) * | 2014-07-22 | 2014-10-29 | 宁波工程学院 | Horizontal type test equipment for oil pump |
| CN104153983A (en) * | 2014-07-22 | 2014-11-19 | 宁波工程学院 | Horizontal testing equipment for oil pump |
| CN104179672A (en) * | 2014-07-22 | 2014-12-03 | 宁波工程学院 | Horizontal test equipment for oil pump |
| CN104179673A (en) * | 2014-07-29 | 2014-12-03 | 南通理工学院 | Oil pump detection system |
| CN104279153A (en) * | 2014-10-23 | 2015-01-14 | 广西北海玉柴马石油高级润滑油有限公司 | Engine oil pump development system |
| CN104500381A (en) * | 2014-12-29 | 2015-04-08 | 宁波圣龙汽车动力系统股份有限公司 | Performance testing device for oil pump |
| CN104179673B (en) * | 2014-07-29 | 2016-11-30 | 南通理工学院 | A kind of oil pump detecting system |
| CN108561302A (en) * | 2018-01-08 | 2018-09-21 | 湖北赛恩斯科技股份有限公司 | Oil pump detection device |
| CN109882399A (en) * | 2019-03-27 | 2019-06-14 | 湖南工业大学 | A kind of lubricating oil pump component detection device |
| CN109882398A (en) * | 2019-03-27 | 2019-06-14 | 湖南工业大学 | A kind of lubricating oil pump detection warning device |
| CN111577619A (en) * | 2020-05-20 | 2020-08-25 | 安徽阿莫斯流体技术有限公司 | Pressure test system for intelligent automatic pump |
| CN113313686A (en) * | 2021-05-28 | 2021-08-27 | 大庆市普庆密封材料配件有限公司 | Binder for repairing oil pumping unit foundation and maintenance process |
| 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 |
-
2011
- 2011-06-07 CN CN2011201894501U patent/CN202108718U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953534B (en) * | 2014-03-19 | 2016-09-07 | 衢州学院 | A kind of test device of lubricating pump of automobile |
| CN103953534A (en) * | 2014-03-19 | 2014-07-30 | 衢州学院 | Testing device for oil pump of automobile |
| CN103953535A (en) * | 2014-03-19 | 2014-07-30 | 衢州学院 | Testing device for oil pump of automobile |
| CN103953536A (en) * | 2014-03-19 | 2014-07-30 | 衢州学院 | Testing device for oil pump of automobile |
| CN104121180A (en) * | 2014-07-22 | 2014-10-29 | 宁波工程学院 | Horizontal type test equipment for oil pump |
| CN104153983A (en) * | 2014-07-22 | 2014-11-19 | 宁波工程学院 | Horizontal testing equipment for oil pump |
| CN104179672A (en) * | 2014-07-22 | 2014-12-03 | 宁波工程学院 | Horizontal test equipment for oil pump |
| CN104179673A (en) * | 2014-07-29 | 2014-12-03 | 南通理工学院 | Oil pump detection system |
| CN104179673B (en) * | 2014-07-29 | 2016-11-30 | 南通理工学院 | A kind of oil pump detecting system |
| CN104279153A (en) * | 2014-10-23 | 2015-01-14 | 广西北海玉柴马石油高级润滑油有限公司 | Engine oil pump development system |
| CN104500381A (en) * | 2014-12-29 | 2015-04-08 | 宁波圣龙汽车动力系统股份有限公司 | Performance testing device for oil pump |
| CN104500381B (en) * | 2014-12-29 | 2016-06-15 | 宁波圣龙汽车动力系统股份有限公司 | Lubricating oil pump performance testing device |
| CN108561302A (en) * | 2018-01-08 | 2018-09-21 | 湖北赛恩斯科技股份有限公司 | Oil pump detection device |
| CN109882399A (en) * | 2019-03-27 | 2019-06-14 | 湖南工业大学 | A kind of lubricating oil pump component detection device |
| CN109882398A (en) * | 2019-03-27 | 2019-06-14 | 湖南工业大学 | A kind of lubricating oil pump detection warning device |
| CN111577619A (en) * | 2020-05-20 | 2020-08-25 | 安徽阿莫斯流体技术有限公司 | Pressure test system for intelligent automatic pump |
| CN111577619B (en) * | 2020-05-20 | 2022-02-18 | 安徽阿莫斯流体技术有限公司 | Pressure test system for intelligent automatic pump |
| CN113313686A (en) * | 2021-05-28 | 2021-08-27 | 大庆市普庆密封材料配件有限公司 | Binder for repairing oil pumping unit foundation and maintenance process |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20140607 |