CN102777303A - Practical training platform of high-pressure diesel pump - Google Patents
Practical training platform of high-pressure diesel pump Download PDFInfo
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- CN102777303A CN102777303A CN2012102804925A CN201210280492A CN102777303A CN 102777303 A CN102777303 A CN 102777303A CN 2012102804925 A CN2012102804925 A CN 2012102804925A CN 201210280492 A CN201210280492 A CN 201210280492A CN 102777303 A CN102777303 A CN 102777303A
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Abstract
The invention discloses a practical training platform of a high-pressure diesel pump. The practical training platform comprises an operating platform, a frequency control motor arranged on the operating platform, a rotation shaft arranged at the output end of the frequency control motor, the high-pressure diesel pump connected with the rotation shaft, a common rail tube connected with the high-pressure diesel pump, an oil spraying nozzle connected with the common rail tube, an oil mass recovery device for receiving oil sprayed by the oil spraying nozzle, an oil tank and a coarse strainer with a hand oil pump. A flow measurement unit is arranged in the high-pressure diesel pump, a solenoid valve is arranged on the oil spraying nozzle, one end of the coarse strainer is connected with the oil tank, and the other end of the coarse strainer is connected with an oil inlet of the high-pressure diesel pump. The practical training platform further comprises a control unit, a torque sensor arranged on the rotation shaft and a rail pressure sensor arranged on the common rail tube, the control unit is connected with each sensor, the coarse strainer and the solenoid valve, and various theoretical data of performance of the high-pressure diesel pump and the oil spraying nozzle are stored inside the control unit. The practical training platform can measure both the performance of the high-pressure diesel pump and the performance of the oil spraying nozzle.
Description
Technical field
The present invention relates to a kind of diesel pump test stand, particularly relate to a kind of high-pressure diesel pump experimental training platform.
Background technique
General high-pressure diesel pump testing platform is in order to testing high voltage diesel oil pump performance, but the performance that can not test oil nozzle if want the performance of testing high voltage diesel pump and oil nozzle, must design two kinds of test stands, thereby makes testing cost increase.
Summary of the invention
The objective of the invention is to overcome the deficiency of present technology, a kind of high-pressure diesel pump experimental training platform is provided, can testing high voltage diesel oil pump performance, the performance that can also test oil nozzle, thus reduce testing cost.
For realizing above-mentioned purpose, the technological scheme that the present invention adopted is:
A kind of high-pressure diesel pump experimental training platform; The strainer that comprises a worktable, is arranged at the frequency control motor of worktable, the running shaft that is arranged at the frequency control motor output terminal, inertial flywheel, the high-pressure diesel pump that is connected with inertial flywheel, common rail pipe that is fixed in worktable and oil nozzle, the oil mass recovering device that is used to receive the oil nozzle oil spout, fuel tank and is with hand oil pump with the fixed connection of the running shaft the other end; Be provided with the flow measurement unit in the said high-pressure diesel pump; The oil outlet of said high-pressure diesel pump is connected to the common rail pipe filler opening through high-pressure oil pipe; The oil nozzle filler opening also is connected to the oil outlet of common rail pipe through high-pressure oil pipe; And oil nozzle is provided with solenoid valve; Said fuel tank is connected to strainer one end of being with hand oil pump through low pressure fuel pipe, and the strainer the other end of band hand oil pump is connected to the filler opening of high-pressure diesel pump through low pressure fuel pipe; Said high-pressure diesel pump testing platform comprises further that also a control unit, is arranged at the rail pressure sensor that torque sensor, on the running shaft is arranged at common rail pipe; Store the various gross datas of high-pressure diesel pump and oil nozzle performance in the said control unit, and control unit is connected with strainer, torque sensor, rail pressure sensor, the solenoid valve of band hand oil pump.
Said fuel tank also is provided with prefilter, and also is provided with secondary filter between the strainer of said band hand oil pump and the high-pressure diesel pump.
Said frequency control motor is arranged at worktable lower floor; Said running shaft, be arranged on the worktable upper strata with inertial flywheel, high-pressure diesel pump, common rail pipe and oil nozzle; Said high-pressure diesel pump testing platform also comprise one be arranged at said frequency control motor output terminal driving wheel, the follower that is connected through belt pulley with driving wheel; Said follower is arranged at the worktable upper strata, and an end connects said running shaft.
Said common rail pipe also is provided with a pressure-limit valve, and a low pressure fuel pipe one end connects said pressure-limit valve, and the other end connects fuel tank, and said high-pressure diesel pump also is directly connected to fuel tank through a low pressure fuel pipe.
Said oil nozzle also is connected to fuel tank through a low pressure fuel pipe.
Beneficial effect of the present invention is: high-pressure diesel pump experimental training platform of the present invention can testing high voltage diesel oil pump performance, can also test the performance of oil nozzle, thereby reduce testing cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a working principle schematic representation of the present invention.
Embodiment
Below will present invention will be described in detail with reference to the accompanying high-pressure diesel pump experimental training platform.
Like Fig. 1, shown in 2; The inertial flywheel 4 that high-pressure diesel pump experimental training platform of the present invention comprises a worktable 1, be arranged at the frequency control motor 2 of worktable 1, be arranged at the running shaft 3 of frequency control motor 2 output terminals, be fixedly connected with running shaft 3 the other ends, high-pressure diesel pump 5, the common rail pipe 6 that is fixed in worktable 1 and the oil nozzle 7, the oil mass recovering device (scheming not show), the fuel tank 8 that are used to receive oil nozzle 7 oil spouts and the strainer 9 of being with hand oil pump that are connected through coupling 41 with inertial flywheel 4; Be provided with flow measurement unit (figure does not show) in the said high-pressure diesel pump 5; And the oil outlet of high-pressure diesel pump 5 is connected to common rail pipe 6 filler openings through high-pressure oil pipe 51; Oil nozzle 7 filler openings also are connected to the oil outlet of common rail pipe 6 through high-pressure oil pipe 71; And oil nozzle 7 is provided with solenoid valve (figure does not show); Said fuel tank 8 is connected to strainer 9 one ends of being with hand oil pump through low pressure fuel pipe 81, and strainer 9 the other ends of band hand oil pump are connected to the filler opening of high-pressure diesel pump 5 through low pressure fuel pipe 91; High-pressure diesel pump testing platform of the present invention comprises that further a control unit 10, is arranged at the rail pressure sensor 61 that torque sensor 31, on the running shaft 3 is arranged at common rail pipe 6; Store the various gross datas of high-pressure diesel pump 5 and oil nozzle 7 performances in the said control unit 10; And control unit 10 and strainer 9, the torque sensor 31 of being with hand oil pump; Rail pressure sensor 61, solenoid valve all connect; Thereby through control unit 10, not only can control flow and total amount, can also control the frequency and the amount of oil nozzle 7 oil spouts to the oil of high-pressure diesel pump 5 inputs; And each sensor acquisition to real data all can pass back in the control unit 10, thereby can with the gross datas contrast that stores in the control unit 10.
In the present embodiment, preferably, said fuel tank 8 also is provided with prefilter (figure do not show), and also is provided with secondary filter 92 between the strainer 9 of said band hand oil pump and the high-pressure diesel pump 5, thereby can guarantee to get into the quality of the oil of high-pressure diesel pump 5.
In the present embodiment, preferably, said frequency control motor 2 is arranged at worktable 1 lower floor, running shaft 3, is arranged on worktable 1 upper strata with inertial flywheel 4, high-pressure diesel pump 5, common rail pipe 6 and oil nozzle 7.Said high-pressure diesel pump testing platform also comprise one be arranged at said frequency control motor 2 output terminals driving wheel 21, the follower 22 that is connected through belt pulley (figure does not show) with driving wheel 21; Said follower 22 is arranged at worktable 1 upper strata, and an end connects said running shaft 3.
In the present embodiment, said common rail pipe 6 also is provided with a pressure-limit valve (figure does not show), and a low pressure fuel pipe 62 1 ends connect this pressure-limit valve, and the other end connects fuel tank 8, thereby can let common rail pipe 6 interior oil reclaim in the oil-feed tank 8.Said high-pressure diesel pump 5 also is directly connected to fuel tank 8 through a low pressure fuel pipe 52, thereby the oil in the high-pressure diesel pump 5 can reclaim in the oil-feed tank 8.
In the present embodiment, said oil nozzle 7 also is connected to fuel tank 8 through a low pressure fuel pipe 72, thereby can be so that oil is back to fuel tank 8 through oil nozzle 7.
When wanting the performance of testing high voltage diesel pump 5, import toward high-pressure diesel pump 5 under certain oily flow number through the oil of control unit 10 control fuel tanks 8, start frequency control motor 2 simultaneously; It is worked under a certain frequency, make high-pressure diesel pump 5 work through running shaft 3 input power then, the oil in the high-pressure diesel pump 5 enter in the common rail pipe 6 through high-pressure oil pipe 51; At this moment; Can make oil nozzle 7 oil spout under certain frequency under the control of control unit 10, also can also can control and make oil nozzle 7 not work so that oil directly is back to fuel tank 8 from oil nozzle 7 through low pressure fuel pipe 72; Just pressure-limit valve and the low pressure fuel pipe 62 through common rail pipe 6 makes the oil in the common rail pipe 6 flow back to fuel tank 8 automatically; Be arranged at the torque sensor 31 of running shaft 3 this moment and be arranged at the real data that the rail pressure sensor 61 of common rail pipe 6 collects and pass control unit 10 back, if the gross datas contrast in this real data and the control unit 10 is unanimity; Then show the functional of this high-pressure diesel pump 5; Otherwise,, show that then there is defective in the performance of this high-pressure diesel pump 5 if inconsistent.
In the time will testing the performance of oil nozzle 7, import toward high-pressure diesel pump 5 under certain oily flow number through the oil of control unit 10 control fuel tanks 8, start frequency control motor 2 simultaneously; It is worked under a certain frequency, make high-pressure diesel pump 5 work through running shaft 3 input power then, the oil in the high-pressure diesel pump 5 enter in the common rail pipe 6 through high-pressure oil pipe 51; At this moment, through control unit 10, the oil spout under a certain frequency of control oil nozzle 7; And be set in the fuel injection quantity of oil nozzle 7 under this frequency, when oil nozzle 7 oil spouts, reclaim then with the oil mass recovering device; This oil mass recovering device is a known technology, and has measurement function, from the oil mass through measurement oil mass recovering device; If theoretical oil mass numerical value in the contrast control unit 10 consistent, is then explained the functional of this oil nozzle 7 again; Otherwise,, show that then there is defective in the performance of this oil nozzle 7 if inconsistent.When the performance of test oil nozzle 7, the performance that guarantee high-pressure diesel pump 5 is good.
In sum, the performance that high-pressure diesel pump experimental training platform of the present invention can testing high voltage diesel pump 5 can also be tested the performance of oil nozzle 7, thereby reduced testing cost.
Claims (5)
1. high-pressure diesel pump experimental training platform; It is characterized in that: the strainer that comprises a worktable, is arranged at the frequency control motor of worktable, the running shaft that is arranged at the frequency control motor output terminal, inertial flywheel, the high-pressure diesel pump that is connected with inertial flywheel, common rail pipe that is fixed in worktable and oil nozzle, the oil mass recovering device that is used to receive the oil nozzle oil spout, fuel tank and is with hand oil pump with the fixed connection of the running shaft the other end; Be provided with the flow measurement unit in the said high-pressure diesel pump; The oil outlet of said high-pressure diesel pump is connected to the common rail pipe filler opening through high-pressure oil pipe; The oil nozzle filler opening also is connected to the oil outlet of common rail pipe through high-pressure oil pipe; And oil nozzle is provided with solenoid valve; Said fuel tank is connected to strainer one end of being with hand oil pump through low pressure fuel pipe, and the strainer the other end of band hand oil pump is connected to the filler opening of high-pressure diesel pump through low pressure fuel pipe; Said high-pressure diesel pump testing platform comprises further that also a control unit, is arranged at the rail pressure sensor that torque sensor, on the running shaft is arranged at common rail pipe; Store the various gross datas of high-pressure diesel pump and oil nozzle performance in the said control unit, and control unit is connected with strainer, torque sensor, rail pressure sensor, the solenoid valve of band hand oil pump.
2. high-pressure diesel pump experimental training platform according to claim 1, it is characterized in that: said fuel tank also is provided with prefilter, and also is provided with secondary filter between the strainer of said band hand oil pump and the high-pressure diesel pump.
3. high-pressure diesel pump experimental training platform according to claim 1 and 2; It is characterized in that: said frequency control motor is arranged at worktable lower floor; Said running shaft, be arranged on the worktable upper strata with inertial flywheel, high-pressure diesel pump, common rail pipe and oil nozzle; Said high-pressure diesel pump testing platform also comprise one be arranged at said frequency control motor output terminal driving wheel, the follower that is connected through belt pulley with driving wheel; Said follower is arranged at the worktable upper strata, and an end connects said running shaft.
4. high-pressure diesel pump experimental training platform according to claim 3; It is characterized in that: said common rail pipe also is provided with a pressure-limit valve; One low pressure fuel pipe, one end connects said pressure-limit valve, and the other end connects fuel tank, and said high-pressure diesel pump also is directly connected to fuel tank through a low pressure fuel pipe.
5. high-pressure diesel pump experimental training platform according to claim 3, it is characterized in that: said oil nozzle also is connected to fuel tank through a low pressure fuel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102804925A CN102777303A (en) | 2012-08-08 | 2012-08-08 | Practical training platform of high-pressure diesel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102804925A CN102777303A (en) | 2012-08-08 | 2012-08-08 | Practical training platform of high-pressure diesel pump |
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| Publication Number | Publication Date |
|---|---|
| CN102777303A true CN102777303A (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102804925A Pending CN102777303A (en) | 2012-08-08 | 2012-08-08 | Practical training platform of high-pressure diesel pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098898A (en) * | 2018-08-09 | 2018-12-28 | 江西五十铃汽车有限公司 | A kind of compression diesel vehicle filter manual oil pump automatic control system and its control method |
| CN110145422A (en) * | 2019-03-20 | 2019-08-20 | 江苏伟博智能装备科技有限公司 | A kind of high pressure common rail injector performance test stand |
-
2012
- 2012-08-08 CN CN2012102804925A patent/CN102777303A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098898A (en) * | 2018-08-09 | 2018-12-28 | 江西五十铃汽车有限公司 | A kind of compression diesel vehicle filter manual oil pump automatic control system and its control method |
| CN110145422A (en) * | 2019-03-20 | 2019-08-20 | 江苏伟博智能装备科技有限公司 | A kind of high pressure common rail injector performance test stand |
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Application publication date: 20121114 |