CN105736350A - Gear type variable machine oil pump testing device - Google Patents
Gear type variable machine oil pump testing device Download PDFInfo
- Publication number
- CN105736350A CN105736350A CN201610297230.8A CN201610297230A CN105736350A CN 105736350 A CN105736350 A CN 105736350A CN 201610297230 A CN201610297230 A CN 201610297230A CN 105736350 A CN105736350 A CN 105736350A
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- oil
- frame plate
- oil pump
- main frame
- type variable
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention provides a gear type variable machine oil pump testing device which comprises a main frame plate, an accessory frame plate and a load simulating bench. The main frame plate is provided with a machine oil pump, a first electromagnetic valve and a second electromagnetic valve; the accessory frame plate is provided with a condenser and a filter, and an oil outlet of the filter is connected with an oil draining pipe; the oil draining pipe is connected with the load simulating bench, and a load simulating channel is formed in the load simulating bench; the first electromagnetic valve and the second electromagnetic valve can control a constant-pressure valve of a machine oil pump to work, so that the constant-pressure valve can control a driven gear of the machine oil pump to move in the axial direction; the machine oil pump can be controlled to be changed between a high-pressure mode and a low-pressure mode. The gear type variable machine oil pump testing device can reasonably simulate a working condition of the machine oil pump and is simple in structure, lower in cost and suitable for being applied to characteristic test of the machine oil pump.
Description
Technical field
The present invention relates to a kind of gear type variable oil pump test device.
Background technology
Lubricating oil pump is commonly used for providing the machine oil of lubrication to other equipment, such as would generally use lubricating oil pump in automobile engine.Gear type variable rate pump is a kind of lubricating oil pump for automobile engine, gear type variable rate pump includes driving gear and driven gear, lubricating oil pump has inlet port and oil drain out, inlet port sucks machine oil from fuel tank, being provided with oil leab in the cylinder body of automobile engine, the fluid with elevated pressures discharged from the oil drain out of lubricating oil pump enters into oil leab as electromotor offer lubricating oil；Under the effect of driving gear and driven gear, machine oil is pressed into discharges from oil drain out for the fluid with elevated pressures, driven gear can move axially under the control of constant pressure valve, thus changing the length of action of driving gear and driven gear, and then change the every of lubricating oil pump turns discharge capacity, it is finally reached the purpose changing lubricating oil pump discharge capacity.
For test machine oil pump performance, or the load characteristic that research aircraft oil pump is when for electromotor offer machine oil, we need to build assay device and carry out test machine oil pump performance, but there is presently no suitable assay device lubricating oil pump is tested, can not the working condition of reasonably analog machine oil pump, especially but without can the switching of test variable formula gear pump high-low pressure time the assay device of load characteristic.
Summary of the invention
In order to solve problems of the prior art, it is an object of the invention to provide a kind of gear type variable oil pump test device, it is possible to for the load characteristic of test machine oil pump, the working condition of analog machine oil pump.
For achieving the above object and other relevant purposes, the present invention provides a kind of gear type variable oil pump test device, including main frame plate, adnexa frame plate and load simulation stand；Main frame plate is provided with lubricating oil pump, the first electromagnetic valve, the second electromagnetic valve；Lubricating oil pump has for controlling the constant pressure valve that driven gear axially moves, and constant pressure valve has the first control mouth and second and controls mouth；Main frame plate is provided with the first solenoid valve interface, the second solenoid valve interface and oil-out；First solenoid valve interface and first controls mouth connection, and the second solenoid valve interface and second controls mouth connection, and oil-out connects with the oil drain out of lubricating oil pump；First electromagnetic valve is connected between the first solenoid valve interface and oil-out, and the second electromagnetic valve is connected between the second solenoid valve interface and oil-out；Adnexa frame plate is provided with a fuel feed hole and an oil outlet, and described fuel feed hole is connected with the oil-out in main frame plate, is connected to condenser between fuel feed hole and oil outlet, and described oil outlet connects a cleaner, and the fluid outlet of cleaner is connected to an oil exit pipe；Being provided with load simulation passage in load simulation stand, one end of load simulation passage is connected with described oil exit pipe, and the other end is connected with fuel tank.
Further, described first solenoid valve interface and the second solenoid valve interface are all located at main frame plate side, and the upper surface in main frame plate is provided with the first connecting hole connected with the first solenoid valve interface and the second connecting hole of the second solenoid valve interface connection；The first of described constant pressure valve controls mouth and the first connecting hole connects, and second controls mouth and the connection of the second connecting hole.
Further, being connected by a connecting tube between described main frame plate with adnexa frame plate, be provided with a connector connected with oil-out in the side of main frame plate, one end of connecting tube is connected with described connector, and the other end is connected with the fuel feed hole of adnexa frame plate..
Further, described adnexa frame plate includes riser and otic placode, and otic placode is perpendicular to riser；Described fuel feed hole and oil outlet are arranged on riser, and described otic placode is provided with the oil strain oil-feed tank of an annular and an oil strain portals；The fluid import of cleaner is connected with oil strain oil-feed tank, and the fluid outlet of cleaner is portalled with oil strain and is connected；Described oil strain oil-feed tank connects with the oil outlet on riser.
Further, being provided with a choke valve between described oil exit pipe and load channel, described choke valve is ball valve.
Preferably, described main frame plate being connected to the first Pressure gauge, the first manometric detection mouth and first controls mouth connection.
Preferably, described adnexa frame plate being connected to the second Pressure gauge, the second manometric detection mouth connects with fuel feed hole.
Preferably, described oil exit pipe is connected to the 3rd Pressure gauge, the fluid outlet of the 3rd manometric detection mouth and cleaner.
Preferably, described oil exit pipe is provided with the first pipe joint and the second pipe joint, and the fluid import of the first pipe joint and the first electromagnetic valve connects；The fluid import of the second pipe joint and the second electromagnetic valve connects.
Based on technique scheme, a kind of gear type variable oil pump test device of the present invention, have the advantages that in a kind of gear type variable oil pump test device of the present invention, main frame plate and adnexa frame plate are that lubricating oil pump, the first electromagnetic valve, the second electromagnetic valve, condenser and cleaner provide installation foundation and lubricating oil pump, the first electromagnetic valve, the second electromagnetic valve, condenser and cleaner coupled together, be also associated with oil exit pipe in the fluid exit of cleaner, oil exit pipe is connected with the load simulation passage in load simulation stand；First electromagnetic valve and the second electromagnetic valve can control the constant pressure valve action of lubricating oil pump, making the driven gear that constant pressure valve controls lubricating oil pump axially move, switching thus controlling lubricating oil pump between high-low pressure；So, a kind of gear type variable oil pump of present invention test device can the working condition of reasonably analog machine oil pump, the characteristic test for lubricating oil pump provides a kind of simple in construction, lower-cost device.
Accompanying drawing explanation
Fig. 1 is shown as the schematic diagram of the hydraulic control circuit of a kind of gear type variable oil pump test device of the embodiment of the present invention.
Fig. 2 is shown as the schematic perspective view of a kind of gear type variable oil pump test device of the embodiment of the present invention.
Fig. 3 is shown as the generalized section of main frame plate.
Fig. 4 is shown as the schematic perspective view of adnexa frame plate.
Fig. 5 is shown as the schematic perspective view of the adnexa frame plate of another angle.
Fig. 6 shows the generalized section in Fig. 5 along the otic placode part of A-A section.
Piece mark explanation
1 main frame plate 19 oil outlet
2 lubricating oil pump 20 condensers
3 constant pressure valve 21 otic placodes
4 first control mouth 22 oil strain oil-feed tank
5 second control mouth 23 oil strain portals
6 oil drain out 24 cleaners
7 first electromagnetic valve 25 oil exit pipes
8 second electromagnetic valve 26 first pipe joints
9 first solenoid valve interface 27 second pipe joints
10 second solenoid valve interface 28 choke valves
11 oil-out 29 load simulation stands
12 connector 30 first Pressure gauges
13 first connecting hole 31 second Pressure gauges
14 second connecting hole 32 the 3rd Pressure gauges
15 connecting tube 33 first pressure gauge connections
16 adnexa frame plate 34 second pressure gauge connections
17 riser 35 fuel sucking pipes
18 fuel feed holes
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.The present invention can also be carried out by additionally different detailed description of the invention or apply, and the every details in this specification based on different viewpoints and application, can also carry out various modification or change under the spirit without departing from the present invention.
Fig. 1 is shown as the schematic diagram of the hydraulic control circuit of a kind of gear type variable oil pump test device of the embodiment of the present invention, and Fig. 2 is shown as the schematic perspective view of a kind of gear type variable oil pump test device of the embodiment of the present invention；Please joining Fig. 2, the present invention provides a kind of gear type variable oil pump test device, including main frame plate 1, adnexa frame plate 16 and load simulation stand 29 (see Fig. 1)；Main frame plate 1 is provided with lubricating oil pump the 2, first electromagnetic valve the 7, second electromagnetic valve 8；As it is shown in figure 1, lubricating oil pump 2 has for controlling the constant pressure valve 3 that driven gear axially moves, constant pressure valve 3 has the first control mouth 4 and second and controls mouth 5；As it is shown on figure 3, main frame plate 1 is provided with the first solenoid valve interface the 9, second solenoid valve interface 10 and oil-out 11；Connecting as it is shown in figure 1, the first solenoid valve interface 9 controls mouth 4 with first, the second solenoid valve interface 10 controls mouth 5 with second and connects, and oil-out 11 connects with the oil drain out 6 of lubricating oil pump 2；First electromagnetic valve 7 is connected between the first solenoid valve interface 9 and oil-out 11, and the second electromagnetic valve 8 is connected between the second solenoid valve interface 10 and oil-out 11；As shown in Figure 4 and Figure 5, adnexa frame plate 16 is provided with fuel feed hole 18 and an oil outlet 19, described fuel feed hole 18 is connected with the oil-out 11 in main frame plate 1, as depicted in figs. 1 and 2, condenser 20 it is connected between fuel feed hole 18 and oil outlet 19, described oil outlet 19 connects a cleaner 24, and the fluid outlet of cleaner 24 is connected to an oil exit pipe 25；Being provided with load simulation passage in load simulation stand 29, one end of load simulation passage is connected with described oil exit pipe 25, and the other end is connected with fuel tank.A kind of gear type variable oil pump 2 in the present invention is tested in device, main frame plate 1 and adnexa frame plate 16 be lubricating oil pump the 2, first electromagnetic valve the 7, second electromagnetic valve 8, condenser 20 and cleaner 24 provide installation foundation and lubricating oil pump the 2, first electromagnetic valve the 7, second electromagnetic valve 8, condenser 20 and cleaner 24 are coupled together composition can the device of test machine oil pump, be also associated with oil exit pipe 25 in the fluid exit of cleaner 24, oil exit pipe 25 is connected with the load simulation passage in load simulation stand 29；First electromagnetic valve 7 and the second electromagnetic valve 8 can control constant pressure valve 3 action of lubricating oil pump 2, making the driven gear that constant pressure valve 3 controls lubricating oil pump 2 axially move, switching thus controlling lubricating oil pump 2 between high-low pressure；So, a kind of gear type variable oil pump 2 of the present invention test device can the working condition of reasonably analog machine oil pump 2, the characteristic test for lubricating oil pump 2 provides a kind of simple in construction, lower-cost device.
Preferably, as it is shown in figure 1, in order to control to enter into oil liquid pressure in load simulation passage such that it is able to the situation of fictitious load change, it is possible to being provided with a choke valve 28 between oil exit pipe 25 and load channel, described choke valve 28 can be ball valve.The size of lubricating oil pump 2 load can be regulated by regulating choke valve 28, when the fluid flow passed through in choke valve 28 reduces, choke valve 28 increases the oil extraction resistance of lubricating oil pump 2 oil drain out 6, and the oil liquid pressure at oil drain out 6 place of lubricating oil pump 2 increases, and the load being equivalent to lubricating oil pump 2 increases；When the fluid flow passed through in choke valve 28 increases, the oil extraction resistance of lubricating oil pump 2 oil drain out 6 reduces, and the oil liquid pressure at oil drain out 6 place of lubricating oil pump 2 reduces, and the load being equivalent to lubricating oil pump 2 reduces.
The oil liquid pressure that a kind of gear type variable oil pump 2 of the present invention is tested in device is gathered, it is possible to the test point important at some arranges Pressure gauge in order to detect.As shown in Figure 1, constant pressure valve 3 generally comprises moveable valve rod (not shown), one end of valve rod has control oil pocket, first controls mouth 4 connects with controlling oil pocket with the second control mouth 5, and the other end of moveable valve rod is provided with back-moving spring, when controlling to pass into pressure oil liquid in mouth 4 and the second control mouth 5 when first, pressure oil liquid enters control oil pocket makes valve rod compression reseting spring move, when pressure oil liquid reduces, under the effect of back-moving spring, valve rod resets gradually.Constant pressure valve 3 is three position five-way valve, and the two ends of driven gear are respectively arranged with a fluid cavity volume, and two fluid cavity volumes at driven gear two ends are connected with constant pressure valve 3.As shown in Figure 2, the first Pressure gauge 30 can be connected in main frame plate 1, main frame plate 1 is provided with the first pressure gauge connection 33 (see Fig. 3), first Pressure gauge 30 is connected in the first pressure gauge connection 33, first pressure gauge connection 33 connects with the first connecting hole 13, and the first connecting hole 13 controls mouth 4 with first and connects, so, the detection mouth of the first Pressure gauge 30 and first controls mouth 4 and connects, and the first Pressure gauge 30 can gather the oil liquid pressure controlled in oil pocket of constant pressure valve 3.Pressure for oil drain out 6 place of testing machine oil pump 2, the second Pressure gauge 31 can be connected on adnexa frame plate 16, adnexa frame plate 16 is provided with the second pressure gauge connection 34 (see Fig. 4), second pressure gauge connection 34 connects with the fuel feed hole 18 on adnexa frame plate 16, and fuel feed hole 18 connects with the oil drain out 6 of lubricating oil pump, so, the second Pressure gauge 31 can the oil liquid pressure at oil drain out 6 place of harvester oil pump 2.As shown in Figure 2, the fluid outlet of cleaner 24 is connected to an oil exit pipe 25, oil exit pipe 25 is connected with the load simulation passage in load simulation stand 29, the pressure parameter before load simulation passage is entered in order to gather fluid, the 3rd Pressure gauge 32 can be connected on oil exit pipe 25, the detection mouth of the 3rd Pressure gauge 32 and the fluid outlet of cleaner 24, the 3rd Pressure gauge 32 can gather fluid and enter into the pressure parameter before load simulation passage.As it is shown in figure 1, the first electromagnetic valve 7 is connected between the first solenoid valve interface 9 and described oil-out 11, the second electromagnetic valve 8 is connected between the second solenoid valve interface 10 and described oil-out 11；The fluid import of the first electromagnetic valve 7 is connected with described oil-out 11, the fluid outlet of the first electromagnetic valve 7 is connected with the first solenoid valve interface 9, the fluid import of the second electromagnetic valve 8 is connected with described oil-out 11, and the fluid outlet of the second electromagnetic valve 8 is connected with the second electromagnetic valve 8 interface 10；As one preferably mode, as shown in Figure 2, it is possible to arranging the first pipe joint 26 and the second pipe joint 27 on oil exit pipe 25, the first pipe joint 26 is connected with the fluid import of the first electromagnetic valve 7；Second pipe joint 27 is connected with the fluid import of the second electromagnetic valve 8, because the first pipe joint 26 connects with oil exit pipe 25 with the second pipe joint 27, and connected by adnexa frame plate 16, condenser 20 and cleaner 24 between oil exit pipe 25 with described oil-out 11, so, the fluid import of the first electromagnetic valve 7 connects with described oil-out 11 with the fluid import of the second electromagnetic valve 8.
It is preferably carried out mode as one, as shown in Figure 3, described first solenoid valve interface 9 and the second solenoid valve interface 10 are all located at main frame plate 1 side, and the upper surface in main frame plate 1 is provided with the second connecting hole 14 that the first connecting hole 13 connected with the first solenoid valve interface 9 connects with the second solenoid valve interface 10；The first of described constant pressure valve 3 controls mouth 4 and is connected with the first connecting hole 13, and second controls mouth 5 is connected with the second connecting hole 14.The pump housing of lubricating oil pump 2 is arranged on the upper surface of main frame plate 1, the upper surface of main frame plate 1 smooths, the first of the constant pressure valve 3 of lubricating oil pump 2 controls mouth 4 and the second control mouth 5 is arranged on the pump housing lower surface of lubricating oil pump 2, first control mouth 4 and the second control mouth 5 are directed at the first connecting hole 13 and the second connecting hole 14 respectively, by bolt, the pump housing compression of lubricating oil pump 2 is connected in main frame plate 1, so that the upper surface of the pump housing lower surface of lubricating oil pump 2 and main frame plate 1 is tightly connected.Such connected mode is fairly simple, as shown in Figure 3, described first solenoid valve interface 9 and the second solenoid valve interface 10 are be drilled with the hole in main frame plate 1 side, first connecting hole 13 and the second connecting hole 14 are be drilled with the hole at main frame plate 1 upper surface, can being drilled with in the side of main frame plate 1 that first solenoid valve interface 9 is connected by intercommunicating pore with the first connecting hole 13, the second solenoid valve interface 10 connects with the second connecting hole 14, the axis of intercommunicating pore is parallel with main frame plate 1 plate face.In such a way, main frame plate 1 is easily fabricated and processes for profit, only implements Drilling operation in main frame plate 1, is conducive to saving cost.
As the preferred mode of one, as shown in Figure 2, it is connected by a connecting tube 15 between described main frame plate 1 and adnexa frame plate 16, a connector 12 (see Fig. 3) connected with oil-out 11 it is provided with in the side of main frame plate 1, one end of connecting tube 15 is connected with described connector 12, and the other end is connected with the fuel feed hole 18 (see Fig. 4 and Fig. 5) of adnexa frame plate 16.Fig. 4 is shown as the schematic perspective view of adnexa frame plate, and Fig. 5 is shown as the schematic perspective view of the adnexa frame plate of another angle；Preferably, as shown in Figure 4 and Figure 5, described adnexa frame plate 16 includes riser 17 and otic placode 21, and otic placode 21 is perpendicular to riser 17；Described fuel feed hole 18 and oil outlet 19 are arranged on riser 17, and as shown in Figure 6, described otic placode 21 is provided with the oil strain oil-feed tank 22 of an annular and an oil strain portals 23；The fluid import of cleaner 24 is connected with oil strain oil-feed tank 22, and the outlet of the fluid of cleaner 24 is portalled with oil strain and 23 is connected；Described oil strain oil-feed tank 22 connects with the oil outlet 19 on riser 17.So, owing to riser 17 and otic placode 21 are mutually perpendicular to, condenser 20 is arranged on the back side of riser 17, and cleaner 24 is arranged on the back side of otic placode 21, so can save space, make topology layout relatively reasonable.
The working method below a kind of gear type variable oil pump 2 of the present invention being tested device is briefly described.
The process that fluid is flowed into load simulation passage from the inlet port of lubricating oil pump 2 is as follows:
1, the inlet port of lubricating oil pump 2 sucks fluid from fuel tank, and driving gear drives driven gear to rotate, and pressure oil liquid is discharged from the oil drain out 6 of lubricating oil pump 2；
2, pressure oil liquid oil-out 11 in main frame plate 1, connecting tube 15 enter in the fuel feed hole 18 of adnexa frame plate 16, are then passed through condenser 20 and enter cleaner 24 from the oil outlet 19 of adnexa frame plate 16；
3, pressure oil liquid enters into the load simulation passage of load simulation stand 29 from cleaner 24 through oil exit pipe 25；
It is as follows that first electromagnetic valve the 7, second electromagnetic valve 8 controls the mode that lubricating oil pump 2 switches between high-low pressure:
A) when the first electromagnetic valve 7 and the second electromagnetic valve 8 are opened simultaneously, the control oil pocket of constant pressure valve 3 enters pressure oil liquid and promotes valve rod compression reseting spring, constant pressure valve 3 controls driven gear and moves and make the length of action of driving gear and driven gear reduce, lubricating oil pump 2 discharge capacity reduces, and oil drain out 6 pressure of lubricating oil pump 2 reduces；
B) open when the first electromagnetic valve 7 and the second electromagnetic valve 8 one are in, one when being closed, the oil liquid pressure controlled in oil pocket of constant pressure valve 3 reaches balance, constant pressure valve 3 mediates, and driven gear stops moving axially, and the oil liquid pressure of oil drain out 6 output of lubricating oil pump 2 is stable；
C) when the first electromagnetic valve 7 and the second electromagnetic valve 8 simultaneously close off, the pressure oil liquid controlled in oil pocket of constant pressure valve 3 flows back to fuel tank through the first electromagnetic valve 7 and the second electromagnetic valve 8, back-moving spring promotes valve rod to reset, driven gear resets and makes the length of action of driving gear and driven gear increase, lubricating oil pump 2 discharge capacity increases, and oil drain out 6 pressure of lubricating oil pump 2 increases.
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention.Above-described embodiment all under the spirit and category of the present invention, can be modified or change by any those skilled in the art.Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention.
Claims (9)
1. a gear type variable oil pump test device, is characterized in that:
Including main frame plate, adnexa frame plate and load simulation stand；
Main frame plate is provided with lubricating oil pump, the first electromagnetic valve, the second electromagnetic valve；Lubricating oil pump has for controlling the constant pressure valve that driven gear axially moves, and constant pressure valve has the first control mouth and second and controls mouth；Main frame plate is provided with the first solenoid valve interface, the second solenoid valve interface and oil-out；First solenoid valve interface and first controls mouth connection, and the second solenoid valve interface and second controls mouth connection, and oil-out connects with the oil drain out of lubricating oil pump；First electromagnetic valve is connected between the first solenoid valve interface and oil-out, and the second electromagnetic valve is connected between the second solenoid valve interface and oil-out；
Adnexa frame plate is provided with a fuel feed hole and an oil outlet, and described fuel feed hole is connected with the oil-out in main frame plate, is connected to condenser between fuel feed hole and oil outlet, and described oil outlet connects a cleaner, and the fluid outlet of cleaner is connected to an oil exit pipe；
Being provided with load simulation passage in load simulation stand, one end of load simulation passage is connected with described oil exit pipe, and the other end is connected with fuel tank.
2. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Described first solenoid valve interface and the second solenoid valve interface are all located at main frame plate side, and the upper surface in main frame plate is provided with the first connecting hole connected with the first solenoid valve interface and the second connecting hole of the second solenoid valve interface connection；The first of described constant pressure valve controls mouth and the first connecting hole connects, and second controls mouth and the connection of the second connecting hole.
3. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Being connected by a connecting tube between described main frame plate with adnexa frame plate, be provided with a connector connected with oil-out in the side of main frame plate, one end of connecting tube is connected with described connector, and the other end is connected with the fuel feed hole of adnexa frame plate.
4. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Described adnexa frame plate includes riser and otic placode, and otic placode is perpendicular to riser；Described fuel feed hole and oil outlet are arranged on riser, and described otic placode is provided with the oil strain oil-feed tank of an annular and an oil strain portals；The fluid import of cleaner is connected with oil strain oil-feed tank, and the fluid outlet of cleaner is portalled with oil strain and is connected；Described oil strain oil-feed tank connects with the oil outlet on riser.
5. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Being provided with a choke valve between described oil exit pipe and load channel, described choke valve is ball valve.
6. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Being connected to the first Pressure gauge in described main frame plate, the first manometric detection mouth and first controls mouth connection.
7. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Being connected to the second Pressure gauge on described adnexa frame plate, the second manometric detection mouth connects with fuel feed hole.
8. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Described oil exit pipe is connected to the 3rd Pressure gauge, the fluid outlet of the 3rd manometric detection mouth and cleaner.
9. gear type variable oil pump test device as claimed in claim 1, is characterized in that:
Described oil exit pipe is provided with the first pipe joint and the second pipe joint, and the fluid import of the first pipe joint and the first electromagnetic valve connects；The fluid import of the second pipe joint and the second electromagnetic valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297230.8A CN105736350B (en) | 2016-05-06 | 2016-05-06 | A kind of gear type variable oil pump test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297230.8A CN105736350B (en) | 2016-05-06 | 2016-05-06 | A kind of gear type variable oil pump test device |
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| CN105736350A true CN105736350A (en) | 2016-07-06 |
| CN105736350B CN105736350B (en) | 2018-02-13 |
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| CN201610297230.8A Active CN105736350B (en) | 2016-05-06 | 2016-05-06 | A kind of gear type variable oil pump test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740142A (en) * | 1985-08-09 | 1988-04-26 | Rohs Hans Gunther | Variable capacity gear pump with pressure balance for transverse forces |
| EP0994257A1 (en) * | 1998-10-13 | 2000-04-19 | Schwäbische Hüttenwerke GmbH | External gear pump with delivery limitation |
| CN201461364U (en) * | 2008-11-26 | 2010-05-12 | 中国船舶重工集团公司第七○七研究所九江分部 | Gear pump intelligent test bed |
| CN103353057A (en) * | 2013-07-15 | 2013-10-16 | 上海幸福摩托车有限公司 | Oil pump with variable discharge capacity |
| US20140056732A1 (en) * | 2012-08-22 | 2014-02-27 | Magna Powertrain | Hybrid variable external gear pump |
| CN104121180A (en) * | 2014-07-22 | 2014-10-29 | 宁波工程学院 | Horizontal type test equipment for oil pump |
| CN205654520U (en) * | 2016-05-06 | 2016-10-19 | 上海幸福摩托车有限公司 | Gear formula variable machine oil pump testing device |
-
2016
- 2016-05-06 CN CN201610297230.8A patent/CN105736350B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740142A (en) * | 1985-08-09 | 1988-04-26 | Rohs Hans Gunther | Variable capacity gear pump with pressure balance for transverse forces |
| EP0994257A1 (en) * | 1998-10-13 | 2000-04-19 | Schwäbische Hüttenwerke GmbH | External gear pump with delivery limitation |
| CN201461364U (en) * | 2008-11-26 | 2010-05-12 | 中国船舶重工集团公司第七○七研究所九江分部 | Gear pump intelligent test bed |
| US20140056732A1 (en) * | 2012-08-22 | 2014-02-27 | Magna Powertrain | Hybrid variable external gear pump |
| CN103353057A (en) * | 2013-07-15 | 2013-10-16 | 上海幸福摩托车有限公司 | Oil pump with variable discharge capacity |
| CN104121180A (en) * | 2014-07-22 | 2014-10-29 | 宁波工程学院 | Horizontal type test equipment for oil pump |
| CN205654520U (en) * | 2016-05-06 | 2016-10-19 | 上海幸福摩托车有限公司 | Gear formula variable machine oil pump testing device |
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| Publication number | Publication date |
|---|---|
| CN105736350B (en) | 2018-02-13 |
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Effective date of registration: 20190329 Address after: Building No. 18, 998 Tongji Road, Baoshan District, Shanghai, 20199 Patentee after: Huayu Pilberg Pump Technology Co., Ltd. Address before: 1999 No. 998 Tongji Road, Baoshan District, Shanghai Patentee before: Shanghai Xingfu Motorcycle Co., Ltd. |