CN105736350B - A kind of gear type variable oil pump test device - Google Patents
A kind of gear type variable oil pump test device Download PDFInfo
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- CN105736350B CN105736350B CN201610297230.8A CN201610297230A CN105736350B CN 105736350 B CN105736350 B CN 105736350B CN 201610297230 A CN201610297230 A CN 201610297230A CN 105736350 B CN105736350 B CN 105736350B
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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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of gear type variable oil pump test device, including main frame plate, annex frame plate and load simulation stand；Lubricating oil pump, the first magnetic valve, second solenoid valve are installed in main frame plate；Condenser, cleaner are installed, the fluid outlet of cleaner is connected with an oil exit pipe on annex frame plate；Oil exit pipe is connected with load simulation stand, and load simulation passage is provided with load simulation stand；First magnetic valve and second solenoid valve can control the constant pressure valve events of lubricating oil pump, make the driven gear of constant pressure valve control lubricating oil pump axially mobile, so as to control lubricating oil pump to switch between high-low pressure, a kind of gear type variable oil pump test device of the present invention can reasonably simulate the working condition of lubricating oil pump, and a kind of simple in construction, lower-cost device is provided for the characteristic test of lubricating 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, for example would generally be used in automobile engine
Lubricating oil pump.Gear type variable rate pump is a kind of lubricating oil pump for automobile engine, gear type variable rate pump include driving gear and from
Moving gear, lubricating oil pump have inlet port and oil discharge outlet, and inlet port sucks machine oil from fuel tank, are set in the cylinder body of automobile engine
There is oil leab, the fluid with elevated pressures discharged from the oil discharge outlet of lubricating oil pump is entered in oil leab to be carried for engine
For lubricating oil；In the presence of driving gear and driven gear, it is the fluid with elevated pressures from row that machine oil, which is pressed into,
Hydraulic fluid port is discharged, and driven gear can move axially under the control of constant pressure valve, so as to change nibbling for driving gear and driven gear
Length is closed, and then changes the every of lubricating oil pump and turns discharge capacity, is finally reached the purpose for changing machine oil pumpage.
In order to test the performance of lubricating oil pump, or load characteristic of the research lubricating oil pump when providing machine oil for engine, I
Need to build experimental rig to test the performance of lubricating oil pump, but there is presently no suitable experimental rig to enter to lubricating oil pump
Capable test, it is impossible to the working condition of lubricating oil pump is reasonably simulated, especially also being capable of not test variable formula gear pump high-low pressure
The experimental rig of load characteristic during switching.
The content 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
It test device, can be used in testing the load characteristic of lubricating oil pump, simulate the working condition of lubricating oil pump.
In order to achieve the above objects and other related objects, the present invention provides a kind of gear type variable oil pump test device,
Including main frame plate, annex frame plate and load simulation stand；Lubricating oil pump, the first magnetic valve, second solenoid valve are installed in main frame plate；
Lubricating oil pump, which has, to be used to control the constant pressure valve that driven gear axially moves, and constant pressure valve has the first control mouth and the second control mouth；
Main frame plate is provided with the first solenoid valve interface, second solenoid valve interface and oil-out；First solenoid valve interface and the first control mouth
Connection, second solenoid valve interface connect with the second control mouth, and oil-out connects with the oil discharge outlet of lubricating oil pump；First magnetic valve connects
Between the first solenoid valve interface and oil-out, second solenoid valve is connected between second solenoid valve interface and oil-out；Annex
Frame plate is provided with a fuel feed hole and an oil outlet, and the fuel feed hole is connected with the oil-out in main frame plate, in fuel feed hole and fuel-displaced
Condenser is connected between hole, the oil outlet connects a cleaner, and the fluid outlet of cleaner is connected with an oil exit pipe；Load
Load simulation passage is provided with simulating bench, one end of load simulation passage is connected with the oil exit pipe, and the other end connects with fuel tank
Connect.
Further, first solenoid valve interface and second solenoid valve interface are located at main frame plate side, in main frame plate
Upper surface be provided with the first connecting hole of the first solenoid valve interface connection, be connected with the second of second solenoid valve orifice
Hole；First control mouth of the constant pressure valve is connected with the first connecting hole, and the second control mouth is connected with the second connecting hole.
Further, connected by a connecting tube between the main frame plate and annex frame plate, set in the side of main frame plate
There is a connector connected with oil-out, one end of connecting tube is connected with the connector, the oil-feed of the other end and annex frame plate
Hole connects..
Further, the annex frame plate includes riser and otic placode, and otic placode is perpendicular to riser；The fuel feed hole and oil outlet
It is arranged on riser, the otic placode is provided with the oil strain oil-feed tank of an annular and an oil strain portals；The fluid import of cleaner with
Oil strain oil-feed tank is connected, and the fluid outlet of cleaner is portalled with oil strain to be connected；The oil strain oil-feed tank and the oil outlet on riser
Connection.
Further, a choke valve is provided between the oil exit pipe and load channel, the choke valve is ball valve.
Preferably, first pressure table is connected with the main frame plate, the detection mouth of first pressure table connects with the first control mouth
It is logical.
Preferably, second pressure gauge is connected with the annex frame plate, the detection mouth of second pressure gauge connects with fuel feed hole.
Preferably, the 3rd pressure gauge, the detection mouth of the 3rd pressure gauge and the fluid of cleaner are connected with the oil exit pipe
Outlet.
Preferably, the oil exit pipe is provided with the first pipe joint and the second pipe joint, the first pipe joint and the first magnetic valve
Fluid import connection；The fluid import connection of second pipe joint and second solenoid valve.
Based on above-mentioned technical proposal, a kind of gear type variable oil pump test device of the invention, have below beneficial to effect
Fruit：In a kind of gear type variable oil pump test device of the present invention, main frame plate and annex frame plate are lubricating oil pump, the first electromagnetism
Valve, second solenoid valve, condenser and cleaner provide installation foundation and by lubricating oil pump, the first magnetic valve, second solenoid valve, cold
Condenser and cleaner are connected, and oil exit pipe, oil exit pipe and load simulation stand are also associated with the fluid exit of cleaner
In load simulation passage connection；First magnetic valve and second solenoid valve can control the constant pressure valve events of lubricating oil pump, make constant pressure
The driven gear of valve control lubricating oil pump is axially mobile, so as to control lubricating oil pump to switch between high-low pressure；So, it is of the invention
A kind of gear type variable oil pump test device can reasonably simulate the working condition of lubricating oil pump, be the characteristic test of lubricating oil pump
Provide a kind of simple in construction, lower-cost device.
Brief description of the drawings
Fig. 1 is shown as a kind of showing for the hydraulic control circuit of gear type variable oil pump test device of the embodiment of the present invention
It is intended to.
Fig. 2 is shown as a kind of schematic perspective view of gear type variable oil pump test device of the embodiment of the present invention.
Fig. 3 is shown as the diagrammatic cross-section of main frame plate.
Fig. 4 is shown as the schematic perspective view of annex frame plate.
Fig. 5 is shown as the schematic perspective view of the annex frame plate of another angle.
Fig. 6 is shown in Fig. 5 along the diagrammatic cross-section of the otic placode part of A-A sections.
Piece mark explanation
The oil outlet of 1 main frame plate 19
The condenser of 2 lubricating oil pump 20
The otic placode of 3 constant pressure valve 21
The oil strain oil-feed tank of 4 first control mouth 22
The oil strain of 5 second control mouth 23 portals
The cleaner of 6 oil discharge outlet 24
The oil exit pipe of 7 first magnetic valve 25
The pipe joint of 8 second solenoid valve 26 first
The pipe joint of 9 first solenoid valve interface 27 second
The choke valve of 10 second solenoid valve interface 28
The load simulation stand of 11 oil-out 29
The first pressure table of 12 connector 30
The second pressure gauge of 13 first connecting hole 31
The pressure gauge of 14 second connecting hole 32 the 3rd
The first pressure table interface of 15 connecting tube 33
The second pressure gauge interface of 16 annex frame plate 34
The fuel sucking pipe of 17 riser 35
18 fuel feed holes
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Fig. 1 is shown as a kind of showing for the hydraulic control circuit of gear type variable oil pump test device of the embodiment of the present invention
It is intended to, Fig. 2 is shown as a kind of schematic perspective view of gear type variable oil pump test device of the embodiment of the present invention；It please join Fig. 2,
The present invention provides a kind of gear type variable oil pump test device, including main frame plate 1, annex frame plate 16 and load simulation stand 29
(see Fig. 1)；Lubricating oil pump 2, the first magnetic valve 7, second solenoid valve 8 are installed in main frame plate 1；As shown in figure 1, lubricating oil pump 2 has
For the constant pressure valve 3 for controlling driven gear axially to move, constant pressure valve 3 has the first control mouth 4 and the second control mouth 5；Such as Fig. 3 institutes
Show, main frame plate 1 is provided with the first solenoid valve interface 9, second solenoid valve interface 10 and oil-out 11；As shown in figure 1, the first electromagnetism
Valve interface 9 connects with the first control mouth 4, and second solenoid valve interface 10 connects with the second control mouth 5, oil-out 11 and lubricating oil pump 2
Oil discharge outlet 6 connect；First magnetic valve 7 is connected between the first solenoid valve interface 9 and oil-out 11, and second solenoid valve 8 connects
Between second solenoid valve interface 10 and oil-out 11；As shown in Figure 4 and Figure 5, annex frame plate 16 is provided with the He of a fuel feed hole 18
One oil outlet 19, the fuel feed hole 18 are connected with the oil-out 11 in main frame plate 1, as depicted in figs. 1 and 2, in the He of fuel feed hole 18
Condenser 20 is connected between oil outlet 19, the oil outlet 19 connects a cleaner 24, the fluid outlet connection of cleaner 24
There is an oil exit pipe 25；Load simulation passage, one end of load simulation passage and the oil exit pipe are provided with load simulation stand 29
25 connections, the other end are connected with fuel tank.In a kind of test device of gear type variable oil pump 2 of the present invention, main frame plate 1 and attached
Part frame plate 16 is that lubricating oil pump 2, the first magnetic valve 7, second solenoid valve 8, condenser 20 and cleaner 24 provide installation foundation simultaneously
Lubricating oil pump 2, the first magnetic valve 7, second solenoid valve 8, condenser 20 and cleaner 24 are connected into composition can test machine oil
The device of pump, is also associated with oil exit pipe 25 in the fluid exit of cleaner 24, oil exit pipe 25 with load simulation stand 29
Load simulation passage connects；First magnetic valve 7 and second solenoid valve 8 can control the constant pressure valve 3 of lubricating oil pump 2 to act, and make constant pressure
Valve 3 controls the driven gear of lubricating oil pump 2 axially mobile, so as to control lubricating oil pump 2 to switch between high-low pressure；So, this hair
A kind of bright test device of gear type variable oil pump 2 can reasonably simulate the working condition of lubricating oil pump 2, be lubricating oil pump 2
Characteristic test provides a kind of simple in construction, lower-cost device.
Preferably, as shown in figure 1, in order to control the oil liquid pressure entered in load simulation passage, so as to
The situation of fictitious load change, can be provided with a choke valve 28, the choke valve 28 can between oil exit pipe 25 and load channel
Think ball valve.The size that can be adjusted lubricating oil pump 2 by adjusting choke valve 28 and load, when the fluid flow passed through in choke valve 28
During reduction, choke valve 28 increases the oil extraction resistance of the oil discharge outlet 6 of lubricating oil pump 2, the oil liquid pressure increase at the oil discharge outlet 6 of lubricating oil pump 2,
Load equivalent to lubricating oil pump 2 increases；When the fluid flow increase passed through in choke valve 28, the oil extraction of the oil discharge outlet 6 of lubricating oil pump 2
Resistance reduces, and the oil liquid pressure at the oil discharge outlet 6 of lubricating oil pump 2 reduces, and the load equivalent to lubricating oil pump 2 reduces.
In order to detect the oil liquid pressure in a kind of test device of gear type variable oil pump 2 of the collection present invention, Ke Yi
Some important test points set pressure gauge.As shown in figure 1, constant pressure valve 3 generally comprises moveable valve rod (not shown),
There is control oil pocket, the first control mouth 4 and the second control mouth 5 to be connected with control oil pocket for one end of valve rod, moveable valve rod
The other end is provided with back-moving spring, and when being passed through pressure oil liquid in the first control mouth 4 and the second control mouth 5, pressure oil liquid enters control
Liquefaction chamber makes valve rod compression reseting spring and moved, and when pressure oil liquid is reduced, in the presence of back-moving spring, valve rod is gradually multiple
Position.Constant pressure valve 3 is three position five-way valve, and respectively there are a fluid cavity volume, two fluid at driven gear both ends in the both ends of driven gear
Cavity volume is connected with constant pressure valve 3.As shown in Fig. 2 first pressure table 30 can be connected in main frame plate 1, it is provided with main frame plate 1
First pressure table interface 33 (see Fig. 3), first pressure table 30 are connected in first pressure table interface 33, first pressure table interface 33
Connected with the first connecting hole 13, and the first connecting hole 13 connects with the first control mouth 4, so, the detection mouth of first pressure table 30
Connected with the first control mouth 4, first pressure table 30 can gather the oil liquid pressure in the control oil pocket of constant pressure valve 3.In order to detect
Pressure at the oil discharge outlet 6 of lubricating oil pump 2, second pressure gauge 31 can be connected on annex frame plate 16, is set on annex frame plate 16
There is second pressure gauge interface 34 (see Fig. 4), second pressure gauge interface 34 connects with the fuel feed hole 18 on annex frame plate 16, and oil-feed
Hole 18 connects with the oil discharge outlet 6 of lubricating oil pump, and so, second pressure gauge 31 can gather the fluid pressure at the oil discharge outlet 6 of lubricating oil pump 2
Power.As shown in Fig. 2 the fluid of cleaner 24, which exports, is connected with an oil exit pipe 25, in oil exit pipe 25 and load simulation stand 29
Load simulation passage connection, can be in oil exit pipe in order to gather the pressure parameter before fluid enters load simulation passage
The 3rd pressure gauge 32, the detection mouth of the 3rd pressure gauge 32 and the fluid outlet of cleaner 24, the 3rd pressure gauge are connected on 25
32 can gather the pressure parameter that fluid is entered before load simulation passage.As shown in figure 1, the first magnetic valve 7 is connected to
Between one solenoid valve interface 9 and the oil-out 11, second solenoid valve 8 is connected to second solenoid valve interface 10 and the oil-out
Between 11；The fluid import of first magnetic valve 7 is connected with the oil-out 11, fluid outlet and the first electricity of the first magnetic valve 7
Magnet valve interface 9 is connected, and the fluid import of second solenoid valve 8 is connected with the oil-out 11, the outlet of the fluid of second solenoid valve 8 with
The interface 10 of second solenoid valve 8 connects；As a kind of preferably mode, as shown in Fig. 2 the first pipe can be set on oil exit pipe 25
The pipe joint 27 of joint 26 and second, the first pipe joint 26 are connected with the fluid import of the first magnetic valve 7；Second pipe joint 27 and
The fluid import connection of two magnetic valves 8, because the first pipe joint 26 and the second pipe joint 27 connect with oil exit pipe 25, and oil exit pipe
Connected between 25 and the oil-out 11 by annex frame plate 16, condenser 20 and cleaner 24, so, the first magnetic valve 7
Fluid import and the fluid import of second solenoid valve 8 connect with the oil-out 11.
Mode is preferably carried out as one kind, as shown in figure 3, first solenoid valve interface 9 and second solenoid valve interface
10 are located at the side of main frame plate 1, the upper surface of main frame plate 1 be provided with connected with the first solenoid valve interface 9 the first connecting hole 13,
The second connecting hole 14 connected with second solenoid valve interface 10；First control mouth 4 of the constant pressure valve 3 connects with the first connecting hole 13
Connect, the second control 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, main frame plate 1
Upper surface it is smooth, the first control mouth 4 and the second control mouth 5 of the constant pressure valve 3 of lubricating oil pump 2 are arranged under the pump housing of lubricating oil pump 2
On surface, the first control mouth 4 and the second control mouth 5 are aligned with the first connecting hole 13 and the second connecting hole 14 respectively, pass through bolt
The pump housing of lubricating oil pump 2 is compressed and is connected in main frame plate 1, so that the pump housing lower surface of lubricating oil pump 2 and the upper surface of main frame plate 1
It is tightly connected.Such connected mode is fairly simple, as shown in figure 3, first solenoid valve interface 9 and second solenoid valve interface
10 is are drilled with the hole of the side of main frame plate 1, and the first connecting hole 13 and the second connecting hole 14 are to be drilled with the upper surface of main frame plate 1
Hole, can be drilled with the side of main frame plate 1 intercommunicating pore the first solenoid valve interface 9 is connected with the first connecting hole 13, the second electromagnetism
Valve interface 10 connects with the second connecting hole 14, and the axis of intercommunicating pore is parallel with the plate face of main frame plate 1.Profit in such a way, body frame
Plate 1 is easily fabricated and processes, and implements Drilling operation only in main frame plate 1, is advantageous to cost-effective.
As a preferred mode, as shown in Fig. 2 passing through a connection between the main frame plate 1 and annex frame plate 16
Pipe 15 is connected, and a connector 12 (see Fig. 3) connected with oil-out 11, one end of connecting tube 15 are provided with the side of main frame plate 1
It is connected with the connector 12, the other end is connected with the fuel feed hole 18 of annex frame plate 16 (see Fig. 4 and Fig. 5).Fig. 4 is shown as annex
The schematic perspective view of frame plate, Fig. 5 are shown as the schematic perspective view of the annex frame plate of another angle；Preferably, such as Fig. 4 and Fig. 5 institutes
Show, the annex frame plate 16 includes riser 17 and otic placode 21, and otic placode 21 is perpendicular to riser 17；The fuel feed hole 18 and oil outlet 19
It is arranged on riser 17, as shown in fig. 6, the oil strain of oil strain oil-feed tank 22 and one that the otic placode 21 is provided with an annular 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 and oil strain, which portal, 23 to be connected；It is described
Oil strain oil-feed tank 22 connects with the oil outlet 19 on riser 17.So, because riser 17 and otic placode 21 are mutually perpendicular to, condenser 20
Installed in the back side of riser 17, cleaner 24 is arranged on the back side of otic placode 21, can so save space, make topology layout more
Rationally.
A kind of working method of test device of gear type variable oil pump 2 of the present invention is briefly described below.
The process that fluid is flowed into load simulation passage from the inlet port of lubricating oil pump 2 is as follows：
1st, the inlet port of lubricating oil pump 2 sucks fluid from fuel tank, and driving gear drives driven gear to rotate, pressure oil liquid from
The oil discharge outlet 6 of lubricating oil pump 2 is discharged；
2nd, pressure oil liquid is entered through the oil-out 11 in main frame plate 1, connecting tube 15 in the fuel feed hole 18 of annex frame plate 16,
Then cleaner 24 is entered from the oil outlet 19 of annex frame plate 16 by condenser 20；
3rd, in the load simulation passage that pressure oil liquid enters load simulation stand 29 from cleaner 24 through oil exit pipe 25；
The mode that first magnetic valve 7, second solenoid valve 8 control lubricating oil pump 2 to switch between high-low pressure is as follows：
A) when the first magnetic valve 7 and second solenoid valve 8 are opened simultaneously, pressure oil is entered in the control oil pocket of constant pressure valve 3
Liquid simultaneously promotes valve rod compression reseting spring, and constant pressure valve 3 controls what driven gear movement made driving gear and driven gear to engage length
Degree reduces, and the discharge capacity of lubricating oil pump 2 reduces, and the pressure of oil discharge outlet 6 of lubricating oil pump 2 reduces；
B) when the first magnetic valve 7 and second solenoid valve 8 one are closed in opening, one, constant pressure valve 3
Oil liquid pressure in control oil pocket reaches balance, and constant pressure valve 3 is in an intermediate position, and driven gear stops axial movement, lubricating oil pump 2
The oil liquid pressure that exports of oil discharge outlet 6 it is stable；
C) when the first magnetic valve 7 and second solenoid valve 8 simultaneously close off, the pressure oil liquid in the control oil pocket of constant pressure valve 3
Fuel tank is flowed back to through the first magnetic valve 7 and second solenoid valve 8, back-moving spring promotes valve rod to reset, and driven gear, which resets, makes driving tooth
The length of action of wheel and driven gear increases, the increase of the discharge capacity of lubricating oil pump 2, the pressure of oil discharge outlet 6 increase of lubricating oil pump 2.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of gear type variable oil pump test device, it is characterized in that：
Including main frame plate, annex frame plate and load simulation stand；
Lubricating oil pump, the first magnetic valve, second solenoid valve are installed in main frame plate；Lubricating oil pump, which has, to be used to control driven gear axial
Mobile constant pressure valve, constant pressure valve have the first control mouth and the second control mouth；Main frame plate is provided with the first solenoid valve interface, second
Solenoid valve interface and oil-out；First solenoid valve interface connects with the first control mouth, second solenoid valve interface and the second control mouth
Connection, oil-out connect with the oil discharge outlet of lubricating oil pump；First magnetic valve is connected between the first solenoid valve interface and oil-out, the
Two magnetic valves are connected between second solenoid valve interface and oil-out；
Annex frame plate is provided with a fuel feed hole and an oil outlet, and the fuel feed hole is connected with the oil-out in main frame plate, in oil-feed
Condenser is connected between hole and oil outlet, the oil outlet connects a cleaner, and the fluid outlet of cleaner is connected with a row
Oil pipe；
Load simulation passage is provided with load simulation stand, one end of load simulation passage is connected with the oil exit pipe, the other end
It is connected with fuel tank.
2. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
First solenoid valve interface and second solenoid valve interface are located at main frame plate side, the upper surface of main frame plate be provided with
The first connecting hole, the second connecting hole with second solenoid valve orifice of first solenoid valve interface connection；The constant pressure valve
First control mouth is connected with the first connecting hole, and the second control mouth is connected with the second connecting hole.
3. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
Connected between the main frame plate and annex frame plate by a connecting tube, one is provided with the side of main frame plate and is connected with oil-out
Logical connector, one end of connecting tube are connected with the connector, and the other end is connected with the fuel feed hole of annex frame plate.
4. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
The annex frame plate includes riser and otic placode, and otic placode is perpendicular to riser；The fuel feed hole and oil outlet are arranged on riser,
The otic placode is provided with the oil strain oil-feed tank of an annular and an oil strain portals；The fluid import of cleaner connects with oil strain oil-feed tank
Connect, the fluid outlet of cleaner is portalled with oil strain to be connected；The 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, it is characterized in that：
A choke valve is provided between the oil exit pipe and load channel, the choke valve is ball valve.
6. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
First pressure table is connected with the main frame plate, the detection mouth of first pressure table connects with the first control mouth.
7. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
Second pressure gauge is connected with the annex frame plate, the detection mouth of second pressure gauge connects with fuel feed hole.
8. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
The 3rd pressure gauge, the detection mouth of the 3rd pressure gauge and the fluid outlet of cleaner are connected with the oil exit pipe.
9. gear type variable oil pump test device as claimed in claim 1, it is characterized in that：
The 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 magnetic valve connects
Connect；The fluid import connection of second pipe joint and second solenoid valve.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 CN105736350A (en) | 2016-07-06 |
| CN105736350B true CN105736350B (en) | 2018-02-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111927754A (en) * | 2020-08-27 | 2020-11-13 | 华域皮尔博格泵技术有限公司 | Test tool for oil pump |
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| 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 |
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2016
- 2016-05-06 CN CN201610297230.8A patent/CN105736350B/en active Active
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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 |
| 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 |
|---|---|
| CN105736350A (en) | 2016-07-06 |
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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. |