CN106197569A - The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique - Google Patents
The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique Download PDFInfo
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- CN106197569A CN106197569A CN201610802878.6A CN201610802878A CN106197569A CN 106197569 A CN106197569 A CN 106197569A CN 201610802878 A CN201610802878 A CN 201610802878A CN 106197569 A CN106197569 A CN 106197569A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
Abstract
The invention discloses hydraulic system and the experimental technique of a kind of high-pressure gear effusion meter comprehensive characteristic test device；The hydraulic system of the present invention is made up of pumping source assembly, effusion meter Dynamic performance examination system component.By regulating the output frequency of signal generator, complete the performance test of servo valve reversal valve under different incoming frequency；By regulating the unlatching pressure of direct acting overflow valve, complete the servo valve reversal valve performance test under different pressures；By regulation high-pressure plunger variable pump delivery, complete the performance test of the servo valve reversal valve of different flow.By regulating the output frequency of signal generator, complete the dynamic performance experiment of effusion meter under different incoming frequency, and obtain the highest dynamic frequency f of high-pressure gear effusion meter2max；By regulating the unlatching pressure of direct acting overflow valve, do the dynamic performance experiment of high-pressure gear effusion meter under different pressures；By regulated variable pump delivery, do the dynamic performance experiment of high-pressure gear effusion meter under different flow.
Description
Technical field
The present invention relates to hydraulic system and the experimental technique of a kind of high-pressure gear effusion meter comprehensive characteristic test device, especially
Relate to the technical field of high-pressure gear effusion meter comprehensive characteristic test.
Background technology
Gear meter, is the class that precision is the highest, wherein, for the positive displacement of high-pressure hydraulic in flow instrument
Effusion meter typically uses gear meter.It utilizes the gear rotated fluid to be continuously divided into single known volume
Part, is the most repeatedly full of according to measuring chamber and discharges the number of times of this volume fractiion fluid and measure the flow of fluid.Typically
Lowpressure stream gauge be all arranged on the oil return side of hydraulic system, and high-pressure flowmeter is arranged on the high-pressure side of hydraulic system, as
The dynamic flow of what simulated high-pressure hydraulic system and how to measure the dynamic flow of high-pressure hydraulic and always be hydraulic pressure circle
One hot.
For the above situation, the present invention devises the " liquid of a kind of high-pressure gear effusion meter comprehensive characteristic test device
Pressure system and experimental technique ", disadvantages described above can be overcome, it is possible to complete different incoming frequency, different system pressure, different system
Servo valve performance test under flow, different medium viscosity, it is possible to complete different incoming frequency, different system pressure, non-homology
The performance test of the high-pressure gear effusion meter under system flow, different medium viscosity,
Summary of the invention
The present invention devises hydraulic system and the experimental technique of a kind of high-pressure gear effusion meter comprehensive characteristic test device, should
Invention can complete following experiment: (1) can complete under different incoming frequency the performance test of servo valve reversal valve, obtain
The highest commutating frequency f1 of this servo valve under this hydraulic systemmax；The servo valve reversal valve performance under different pressures can be done real
Test；The performance test of the servo valve reversal valve of different flow can be done；(2) effusion meter 1 under different loading frequency f1 can be made
(10) dynamic performance experiment, finally can obtain the highest dynamic frequency f2 of high-pressure gear effusion metermax；Can do under different pressures
The dynamic performance experiment of high-pressure gear effusion meter；The dynamic performance experiment of high-pressure gear effusion meter under different flow can be done；
(3) according to the difference of the working media viscosity of hydraulic system, under conditions of working media is diesel oil, hydraulic oil and water, complete
Above servo valve and the performance test of high-pressure gear effusion meter.
The present invention solves its technical problem and the technical scheme is that
The hydraulic system of this experimental provision is by pumping source assembly (101), effusion meter Dynamic performance examination system component (103) group
Become；Pumping source assembly (101) by three-way cut-off valve 1 (18), plug 1 (64), fuel tank assembly (206), high-pressure plunger variable pump (2),
Filter 1 (24), high pressure tubular filter assemblies 1 (202), relief valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge
(34), digital display pressure transducer 1 (29) composition, wherein high pressure tubular filter assemblies 1 (202) is by check valve 1 (50), filter
1 (51), pressure difference switch 1 (52), power supply 1 (53), display lamp 1 (54) composition, fuel tank assembly (206) is by fuel tank (1), air filtration
Device (28), liquid temperature liquidometer (35), hydraulic power transmission medium (70) form；Effusion meter Dynamic performance examination system component (103) by
Servo valve reversal valve (4), signal generator (36), hand-operated direction valve (5), overflow valve bridge oil piping assembly (204), effusion meter bridge
Formula oil circuit assembly (203), hydraulic cylinder test suite (205), digital display pressure transducer 4 (32), direct acting overflow valve 3 (8), filter
2 (25), fuel tank assembly (206) composition, effusion meter bridge oil piping assembly (203) is by plate-type non-return valve 5 (12A), plate-type non-return valve 6
(13A), plate-type non-return valve 7 (14A), plate-type non-return valve 8 (15A), effusion meter 1 (10), digital display pressure transducer 2 (30), digital display
Pressure transducer 3 (31), speed probe 1 (39), computer 1 (40), data wire 1 (44), data wire 2 (56), high-speed data are adopted
Truck 1 (55) forms；Overflow valve bridge oil piping assembly (204) is by plate-type non-return valve 1 (12), plate-type non-return valve 2 (13), board-like list
To valve 3 (14), plate-type non-return valve 4 (15), direct acting overflow valve 2 (7) composition；Hydraulic cylinder test suite (205) is by displacement transducer
(21), double outlet-rod hydraulic cylinders (20), digital display pressure transducer 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data
Line 3 (57), data wire 4 (58) form.
By regulating the output frequency of signal generator, the performance completing servo valve reversal valve under different incoming frequency is real
Test；By regulating the unlatching pressure of direct acting overflow valve 3 (8), complete the servo valve reversal valve performance test under different pressures；Pass through
The discharge capacity of regulation high-pressure plunger variable pump (2), completes the performance test of the servo valve reversal valve of different flow；By regulation signal
The output frequency of generator, completes the dynamic performance experiment of effusion meter 1 (10) under different incoming frequency, finally can obtain high pressure
The highest dynamic frequency f2 of gear metermax；By regulating the unlatching pressure of direct acting overflow valve 3 (8), do under different pressures
The dynamic performance experiment of high-pressure gear effusion meter；By the discharge capacity of regulation high-pressure plunger variable pump (2), do the height under different flow
The dynamic performance experiment of knob flowmeters；The difference of the working media viscosity according to hydraulic system, working media be diesel oil,
Under conditions of hydraulic oil and water, complete above servo valve and the performance test of high-pressure gear effusion meter.
The present invention, compared with background technology, has the beneficial effect that
The hydraulic system of the present invention and experimental technique can complete: (1) different pressures, different flow, the watching of different viscosities
Taking valve performance experiment, (2) different pressures, different flow, the dynamic performance experiment of high-pressure gear effusion meter of different viscosities, for watching
Take valve performance experiment and the dynamic performance experiment of positive displacement high-pressure flowmeter, it is provided that new solution and design considerations.
Accompanying drawing explanation
The present invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the hydraulic schematic diagram of the pumping source assembly (101) of the present invention.
Fig. 2 is the hydraulic schematic diagram of weight method Flow Meter's Demarcation assembly (102) of the present invention.
In Fig. 1, Fig. 2,1. fuel tank, 2. high-pressure plunger variable pump, 3. gear pump, 9. direct acting overflow valve, 11. effusion meters 1,
16. tubular type check valve 1,17. tubular type check valve 2,18. three-way cut-off valve 1,19. three-way cut-off valve 2,22. weighing oil tanks, 23. electricity
Son title, 24. filters 1,6. relief valve 1,28. air filter, 29. digital display pressure transducer 1,33. digital display pressure transducers
2,34. mechanical pressure gauges, 35. liquid temperature liquidometers, 37. flexible pipe 1,38. flexible pipe 2,43. speed probe 1,45. check valves 2,46.
Filter 2,47. pressure difference switch 2,48. display lamp 2,49. power supply 2,50. check valve 1,51. filter 1,52. pressure difference switch 1,
53. power supply 1,54. display lamp 1,59. data wire 1,60. data collecting card 1,61. data wire 2,62. computer 1,63. plugs 1,
65. hydraulic power transmission media, 101. pumping source assemblies, 102. weight method Flow Meter's Demarcation assemblies, 201. high pressure tubular filters
Assembly 2,202. high pressure tubular filter assemblies 1,206. fuel tank assembly,
Detailed description of the invention
As shown in Figure 1, 2, the hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device, this experimental provision
Hydraulic system is made up of pumping source assembly (101), effusion meter Dynamic performance examination system component (103)；Pumping source assembly (101) is by three
Logical stop valve 1 (18), plug 1 (64), fuel tank assembly (206), high-pressure plunger variable pump (2), filter 1 (24), high pressure tubular
Filter assemblies 1 (202), relief valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge (34), digital display pressure transducer 1
(29) composition, wherein high pressure tubular filter assemblies 1 (202) by check valve 1 (50), filter 1 (51), pressure difference switch 1 (52),
Power supply 1 (53), display lamp 1 (54) form, and fuel tank assembly (206) is by fuel tank (1), air filter (28), liquid temperature liquidometer
(35), hydraulic power transmission medium (70) composition；Effusion meter Dynamic performance examination system component (103) is by servo valve reversal valve (4), letter
Number generator (36), hand-operated direction valve (5), overflow valve bridge oil piping assembly (204), effusion meter bridge oil piping assembly (203), liquid
Cylinder pressure test suite (205), digital display pressure transducer 4 (32), direct acting overflow valve 3 (8), filter 2 (25), fuel tank assembly
(206) composition, effusion meter bridge oil piping assembly (203) is by plate-type non-return valve 5 (12A), plate-type non-return valve 6 (13A), board-like unidirectional
Valve 7 (14A), plate-type non-return valve 8 (15A), effusion meter 1 (10), digital display pressure transducer 2 (30), digital display pressure transducer 3
(31), speed probe 1 (39), computer 1 (40), data wire 1 (44), data wire 2 (56), high-speed data acquisition card 1 (55) group
Become；Overflow valve bridge oil piping assembly (204) by plate-type non-return valve 1 (12), plate-type non-return valve 2 (13), plate-type non-return valve 3 (14),
Plate-type non-return valve 4 (15), direct acting overflow valve 2 (7) form；Hydraulic cylinder test suite (205) is by displacement transducer (21), double rod
Hydraulic cylinder (20), digital display pressure transducer 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data wire 3 (57), data
Line 4 (58) forms；The a mouth of filter 1 (24) is connected with fuel tank assembly (206), the b mouth of filter 1 (24) and high-pressure plunger
The a mouth of variable pump (2) is connected；The b mouth of high-pressure plunger variable pump (2) is connected with a mouth of high pressure tubular filter 1 (202)；
The b mouth of high pressure tubular filter 1 (202) respectively with a mouth of tubular type check valve 1 (16), a mouth of mechanical pressure gauge (34), safety
The P mouth of valve 1 (6) is connected；The T mouth of relief valve 1 (6) is connected with fuel tank assembly (206)；The b mouth of tubular type check valve 1 (16) divides
It is not connected with a mouth, a mouth of three-way cut-off valve 1 (18) of digital display pressure transducer 1 (29)；The c mouth of three-way cut-off valve 1 (18)
It is connected with the P mouth of servo valve reversal valve (4)；The T mouth of servo valve reversal valve (4) is connected with the P mouth of direct acting overflow valve 3 (8)；
The T mouth of direct acting overflow valve 3 (8) is connected with the b mouth of filter 2 (25)；The a mouth of filter 2 (25) and fuel tank assembly (206) phase
Connection；The A mouth of servo valve reversal valve (4) is connected with the T mouth of hand-operated direction valve (5)；The B mouth of servo valve reversal valve (4) is respectively
It is connected with b mouth, a mouth of digital display pressure transducer 4 (32) of double outlet-rod hydraulic cylinders (20)；The Y mouth quilt of servo valve reversal valve (4)
Closure；The P mouth of hand-operated direction valve (5) is blocked；The A mouth of hand-operated direction valve (5) respectively with a mouth, the plate of plate-type non-return valve 1 (12)
The b mouth of formula check valve 4 (15), a mouth of digital display pressure transducer 2 (30) are connected, a mouth of plate-type non-return valve 5 (12A), board-like
The b mouth of check valve 8 (15A) is connected；The b mouth of plate-type non-return valve 1 (12) overflows with the b mouth of plate-type non-return valve 2 (13), direct acting respectively
The P mouth of stream valve 2 (7) is connected；The a mouth of plate-type non-return valve 2 (13) is connected with the b mouth of plate-type non-return valve 3 (14)；Board-like unidirectional
The a mouth of valve 3 (14) T mouth with direct acting overflow valve 2 (7) respectively is connected, a mouth of plate-type non-return valve 4 (15) is connected；Board-like list
It is connected with b mouth, a mouth of effusion meter 1 (10) of plate-type non-return valve 6 (13A) respectively to the b mouth of valve 5 (12A)；Plate-type non-return valve 6
(13A) a mouth is connected with the b mouth of plate-type non-return valve 7 (14A)；The a mouth of plate-type non-return valve 7 (14A) respectively with plate-type non-return valve
The a mouth of 8 (15A), the b mouth of effusion meter 1 (10) are connected；The B mouth of hand-operated direction valve (5) respectively with plate-type non-return valve 7 (14A)
B mouth, a mouth of plate-type non-return valve 6 (13A), a mouth of double outlet-rod hydraulic cylinder (20), a mouth of digital display pressure transducer 3 (31), board-like
The b mouth of check valve 3 (14), a mouth of plate-type non-return valve 2 (13) are connected；Air filter (28) is arranged on fuel tank (1)；Liquid
Temperature liquidometer (35) is arranged on the inwall of fuel tank (1)；The flow signal of hydraulic system is transformed into effusion meter by effusion meter 1 (10)
Interior tach signal, then by the speed probe 1 (39) being arranged on effusion meter 1 (10), will turn by means of data wire 1 (44)
Speed sensor 1 (39) connects with high-speed data acquisition card 1 (55), then by data wire 2 (56) by high-speed data acquisition card 1 (55)
It is connected with computer 1 (40)；Displacement transducer (21) is mounted and fixed on the one end on double rods of double outlet-rod hydraulic cylinder (20), logical
Cross data wire 3 (57) and connect high-speed data acquisition card 2 (41) and displacement transducer (21), connect computer 2 by data wire 4 (58)
And high-speed data acquisition card 2 (41) (42).When three-way cut-off valve 1 (18) hands handle is positioned at position A, a of three-way cut-off valve 1 (18)
Oil circuit is connected with b oil circuit；When three-way cut-off valve 1 (18) hands handle is positioned at position B, a oil circuit of three-way cut-off valve 1 (18) and c
Oil circuit is connected；The b oil circuit of three-way cut-off valve 1 (18) is blocked by plug 1 (64), if opening plug 1 (64), then pumping source assembly
(101) can be as independent pumping source for other hydraulic tests.
When the spool of servo valve reversal valve (4) is in middle position, P, T, A, B mouth of servo valve reversal valve (4) is not connected；
When the spool of servo valve reversal valve (4) is in left position, the P mouth of servo valve reversal valve (4) communicates with B mouth, and T mouth communicates with A mouth；
When the spool of servo valve reversal valve (4) is in right position, the P mouth of servo valve reversal valve (4) communicates with A mouth, and T mouth communicates with B mouth；
The P mouth of hand-operated direction valve (5) is blocked；When hand-operated direction valve (5) is in right position, the T mouth of hand-operated direction valve (5) with manually change
A mouth to valve (5) is connected；When hand-operated direction valve (5) is in left position, the T mouth of hand-operated direction valve (5) and hand-operated direction valve
(5) B mouth is connected.
The function of effusion meter bridge oil piping assembly (203) is to ensure that hydraulic power transmission medium (70) can only be from effusion meter 1 (10)
A mouth flow into, flow out from the b mouth of effusion meter 1 (10)；The function of overflow valve bridge oil piping assembly (204) is to maintain hydraulic power transmission
Medium (70) can only flow into from the P mouth of direct acting overflow valve 2 (7), flows out from the T mouth of direct acting overflow valve 2 (7).
If filter 1 (51) blocks, hydraulic power transmission medium (70) is by the check valve 1 (50) through bypass, and triggers
Pressure difference switch 1 (52) makes display lamp 1 (54) be powered by power supply 2 (49) and send plugged filter alarm signal.
After starting pumping source assembly (101), if system pressure is more than the unlatching pressure of relief valve 1 (6), relief valve 1 (6) will be by
Open, hydraulic power transmission medium (70) then by fuel tank (1) through filter 1 (24), high-pressure plunger variable pump (2), high pressure tubular mistake
Filter module 1 (202), relief valve 1 (6) return to fuel tank (1)；If system pressure is less than the set pressure of relief valve 1 (6), pumping source
Assembly (101) as pumping source, hydraulic power transmission medium (70) by fuel tank (1) through filter 1 (24), high-pressure plunger variable pump (2),
High pressure tubular filter assemblies 1 (202), tubular type check valve 1 (16) lead to a mouth of three-way cut-off valve 1 (18), make as pumping source
With.The unlatching pressure opening pressure of relief valve 1 (6) is 2～31.5MPa.
The hydraulic system of described a kind of high-pressure gear effusion meter comprehensive characteristic test device, it is characterised in that: hydraulic pressure passes
Defeated medium (70) is hydraulic oil, diesel oil, emulsion and the water that viscosity coefficient is different.
A kind of experimental technique of high-pressure gear effusion meter comprehensive characteristic test device, the liquid of the experimental provision of this experimental technique
Pressure system is made up of pumping source assembly (101), effusion meter Dynamic performance examination system component (103)；Pumping source assembly (101) is by threeway
Stop valve 1 (18), plug 1 (64), fuel tank assembly (206), high-pressure plunger variable pump (2), filter 1 (24), high pressure tubular mistake
Filter module 1 (202), relief valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge (34), digital display pressure transducer 1 (29)
Composition, wherein high pressure tubular filter assemblies 1 (202) is by check valve 1 (50), filter 1 (51), pressure difference switch 1 (52), power supply
1 (53), display lamp 1 (54) composition, fuel tank assembly (206) is by fuel tank (1), air filter (28), liquid temperature liquidometer (35), liquid
Pressure transmission medium (70) composition；Effusion meter Dynamic performance examination system component (103) is occurred by servo valve reversal valve (4), signal
Device (36), hand-operated direction valve (5), overflow valve bridge oil piping assembly (204), effusion meter bridge oil piping assembly (203), hydraulic cylinder are surveyed
Examination assembly (205), digital display pressure transducer 4 (32), direct acting overflow valve 3 (8), filter 2 (25), fuel tank assembly (206) composition,
Effusion meter bridge oil piping assembly (203) by plate-type non-return valve 5 (12A), plate-type non-return valve 6 (13A), plate-type non-return valve 7 (14A),
Plate-type non-return valve 8 (15A), effusion meter 1 (10), digital display pressure transducer 2 (30), digital display pressure transducer 3 (31), revolution speed sensing
Device 1 (39), computer 1 (40), data wire 1 (44), data wire 2 (56), high-speed data acquisition card 1 (55) form；Overflow valve bridge-type
Oil circuit assembly (204) is by plate-type non-return valve 1 (12), plate-type non-return valve 2 (13), plate-type non-return valve 3 (14), plate-type non-return valve 4
(15), direct acting overflow valve 2 (7) composition；Hydraulic cylinder test suite (205) by displacement transducer (21), double outlet-rod hydraulic cylinder (20),
Digital display pressure transducer 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data wire 3 (57), data wire 4 (58) group
Become；The a mouth of filter 1 (24) is connected with fuel tank assembly (206), the b mouth of filter 1 (24) and high-pressure plunger variable pump (2)
A mouth be connected；The b mouth of high-pressure plunger variable pump (2) is connected with a mouth of high pressure tubular filter 1 (202)；High pressure tubular
The b mouth of filter 1 (202) respectively with a mouth of tubular type check valve 1 (16), a mouth of mechanical pressure gauge (34), the P of relief valve 1 (6)
Mouth is connected；The T mouth of relief valve 1 (6) is connected with fuel tank assembly (206)；The b mouth of tubular type check valve 1 (16) respectively with digital display
The a mouth of pressure transducer 1 (29), a mouth of three-way cut-off valve 1 (18) are connected；The c mouth of three-way cut-off valve 1 (18) and servo valve
The P mouth of reversal valve (4) is connected；The T mouth of servo valve reversal valve (4) is connected with the P mouth of direct acting overflow valve 3 (8)；Direct acting overflow
The T mouth of valve 3 (8) is connected with the b mouth of filter 2 (25)；The a mouth of filter 2 (25) is connected with fuel tank assembly (206)；Watch
The T mouth of the A mouth and hand-operated direction valve (5) that take valve reversal valve (4) is connected；The B mouth of servo valve reversal valve (4) respectively with double rods
The b mouth of hydraulic cylinder (20), a mouth of digital display pressure transducer 4 (32) are connected；The Y mouth of servo valve reversal valve (4) is blocked；Hands
The P mouth of dynamic reversal valve (5) is blocked；The A mouth of hand-operated direction valve (5) respectively with a mouth of plate-type non-return valve 1 (12), board-like unidirectional
The b mouth of valve 4 (15), a mouth of digital display pressure transducer 2 (30) are connected, a mouth of plate-type non-return valve 5 (12A), plate-type non-return valve 8
(15A) b mouth is connected；The b mouth of plate-type non-return valve 1 (12) respectively with b mouth, the direct acting overflow valve 2 of plate-type non-return valve 2 (13)
(7) P mouth is connected；The a mouth of plate-type non-return valve 2 (13) is connected with the b mouth of plate-type non-return valve 3 (14)；Plate-type non-return valve 3
(14) a mouth T mouth with direct acting overflow valve 2 (7) respectively is connected, a mouth of plate-type non-return valve 4 (15) is connected；Board-like unidirectional
The b mouth of valve 5 (12A) is connected with b mouth, a mouth of effusion meter 1 (10) of plate-type non-return valve 6 (13A) respectively；Plate-type non-return valve 6
(13A) a mouth is connected with the b mouth of plate-type non-return valve 7 (14A)；The a mouth of plate-type non-return valve 7 (14A) respectively with plate-type non-return valve
The a mouth of 8 (15A), the b mouth of effusion meter 1 (10) are connected；The B mouth of hand-operated direction valve (5) respectively with plate-type non-return valve 7 (14A)
B mouth, a mouth of plate-type non-return valve 6 (13A), a mouth of double outlet-rod hydraulic cylinder (20), a mouth of digital display pressure transducer 3 (31), board-like
The b mouth of check valve 3 (14), a mouth of plate-type non-return valve 2 (13) are connected；Air filter (28) is arranged on fuel tank (1)；Liquid
Temperature liquidometer (35) is arranged on the inwall of fuel tank (1)；The flow signal of hydraulic system is transformed into effusion meter by effusion meter 1 (10)
Interior tach signal, then by the speed probe 1 (39) being arranged on effusion meter 1 (10), will turn by means of data wire 1 (44)
Speed sensor 1 (39) connects with high-speed data acquisition card 1 (55), then by data wire 2 (56) by high-speed data acquisition card 1 (55)
It is connected with computer 1 (40)；Displacement transducer (21) is mounted and fixed on the one end on double rods of double outlet-rod hydraulic cylinder (20), logical
Cross data wire 3 (57) and connect high-speed data acquisition card 2 (41) and displacement transducer (21), connect computer 2 by data wire 4 (58)
And high-speed data acquisition card 2 (41) (42).
When three-way cut-off valve 1 (18) hands is when being positioned at position A, and a oil circuit of three-way cut-off valve 1 (18) is connected with b oil circuit；
When three-way cut-off valve 1 (18) hands is when being positioned at position B, and a oil circuit of three-way cut-off valve 1 (18) is connected with c oil circuit；Threeway ends
The b oil circuit of valve 1 (18) is blocked by plug 1 (64), if opening plug 1 (64), then pumping source assembly (101) can supply as independent pumping source
Other hydraulic tests use.
When the spool of servo valve reversal valve (4) is in middle position, P, T, A, B mouth of servo valve reversal valve (4) is not connected；
When the spool of servo valve reversal valve (4) is in left position, the P mouth of servo valve reversal valve (4) communicates with B mouth, and T mouth communicates with A mouth；
When the spool of servo valve reversal valve (4) is in right position, the P mouth of servo valve reversal valve (4) communicates with A mouth, and T mouth communicates with B mouth；
The P mouth of hand-operated direction valve (5) is blocked；When hand-operated direction valve (5) is in right position, the T mouth of hand-operated direction valve (5) with manually change
A mouth to valve (5) is connected；When hand-operated direction valve (5) is in left position, the T mouth of hand-operated direction valve (5) and hand-operated direction valve
(5) B mouth is connected.
The function of effusion meter bridge oil piping assembly (203) is to ensure that hydraulic power transmission medium (70) can only be from effusion meter 1 (10)
A mouth flow into, flow out from the b mouth of effusion meter 1 (10)；The function of overflow valve bridge oil piping assembly (204) is to maintain hydraulic power transmission
Medium (70) can only flow into from the P mouth of direct acting overflow valve 2 (7), flows out from the T mouth of direct acting overflow valve 2 (7)；
If filter 1 (51) blocks, hydraulic power transmission medium (70) is by the check valve 1 (50) through bypass, and triggers
Pressure difference switch 1 (52) makes display lamp 1 (54) be powered by power supply 2 (49) and send plugged filter alarm signal.
After starting pumping source assembly (101), if system pressure is more than the unlatching pressure of relief valve 1 (6), relief valve 1 (6) will be by
Open, hydraulic power transmission medium (70) then by fuel tank (1) through filter 1 (24), high-pressure plunger variable pump (2), high pressure tubular mistake
Filter module 1 (202), relief valve 1 (6) return to fuel tank (1)；If system pressure is less than the set pressure of relief valve 1 (6), pumping source
Assembly (101) as pumping source, hydraulic power transmission medium (70) by fuel tank (1) through filter 1 (24), high-pressure plunger variable pump (2),
High pressure tubular filter assemblies 1 (202), tubular type check valve 1 (16) lead to a mouth of three-way cut-off valve 1 (18), make as pumping source
With.
By three-way cut-off valve 1 (18) hands being transferred to position B, start pumping source assembly (101), do servo valve reversal valve performance real
Test；Servo valve reversal valve (4) is placed in middle position, and hand-operated direction valve (5) is placed in left position, is changed to servo valve by signal generator (36)
Load the square-wave signal of given frequency f to valve (4), frequency f of square-wave signal is taken as 1Hz, and signal then pressed by servo valve reversal valve (4)
Given frequency f of generator (36) commutates, and now, servo valve is changed by the displacement transducer (21) on double outlet-rod hydraulic cylinders (20)
The displacement signal commutated to valve (4), is delivered to computer 2 (42) by high-speed data acquisition card 2 (41), passes through data acquisition software
The commutating frequency f1 of the double outlet-rod hydraulic cylinder (20) of display, observes the waveform of displacement transducer (21) displacement signal, works as commutating frequency
When f1 is consistent with frequency f that servo valve reversal valve (4) loads, improve the change model of the loading frequency f, f of signal generator (36)
Enclosing is 1～100Hz, do under different incoming frequency the performance test of servo valve reversal valve (4), obtain under this hydraulic system
The highest commutating frequency f1 of this servo valvemax；The excursion of the pressure P, P of regulation direct acting overflow valve 3 (8) is 0～31.5MPa,
Do the performance test of servo valve reversal valve (4) under different pressures；Discharge capacity q of regulation high-pressure plunger variable pump (2), the change of q
Scope is 10～63ml/r, does the performance test of the servo valve reversal valve (4) of different flow.
Three-way cut-off valve 1 (18) hands handle is transferred to position B, hand-operated direction valve (5) is in right position, servo valve reversal valve (4)
It is in middle position, starts pumping source assembly (101), do the dynamic performance experiment of effusion meter 1 (10)；Valve when servo valve reversal valve (4)
When core is positioned at right position, hydraulic power transmission medium (70) is commutated through c mouth, the servo valve of three-way cut-off valve 1 (18) by pumping source assembly (101)
The P mouth of valve (4), the A mouth of servo valve reversal valve (4), the T mouth of hand-operated direction valve (5), the A mouth of hand-operated direction valve (5), entered by W mouth
The gauge bridge component that becomes a mandarin (203) and overflow valve bridge component (204)；Hydraulic power transmission medium (70) warp from working connection W mouth
Prop up oil circuit plate-type non-return valve 5 (12A), effusion meter 1 (10), plate-type non-return valve 7 (14A), V mouth and a of double outlet-rod hydraulic cylinders (20)
Mouth is connected, then passes through b mouth and the B mouth of servo valve reversal valve (4), the T of servo valve reversal valve (4) of double outlet-rod hydraulic cylinders (20)
Mouth, direct acting overflow valve 3 (8), filter 2 (25) flow back to fuel tank assembly (206)；By regulating the pressure threshold of direct acting overflow valve 2 (7)
Value regulates the uninterrupted by effusion meter 1 (10).
Hand-operated direction valve (5) is placed in right position, carries out the performance test of servo valve reversal valve (4), now effusion meter bridge-type
The method for bypass flow measurement module that oil circuit assembly (203), hydraulic cylinder test suite (205) form is incorporated with in system；By signal
Frequency f1 that generator (36) sends is adjusted to the square-wave signal of 1Hz and is loaded on servo valve reversal valve (4), and simulation working connection is
The dynamic hydraulic signal of 1Hz, by computer, observes the rotating speed of the speed probe 1 (39) being arranged on sensed flow meter 1 (10)
The following frequency f2 of signal, if f2 with f1 is consistent, continues to improve the frequency of f1, makees the effusion meter 1 (10) of different loading frequency f1
Dynamic performance experiment, finally can obtain the highest dynamic frequency f2 of effusion meter 1 (10)max；The pressure of regulation direct acting overflow valve 3 (8)
Power P, the excursion of P is 0～31.5MPa, and the dynamic property that this experimental technique can make the effusion meter 1 (10) under different pressures is real
Test；Discharge capacity q of regulation high-pressure plunger variable pump (2), the excursion of q is 10～63ml/r, and this experimental technique can do various flows
The dynamic performance experiment of the effusion meter 1 (10) of amount.
The experimental technique of described a kind of high-pressure gear effusion meter comprehensive characteristic test device, it is characterised in that: hydraulic pressure passes
Defeated medium (70) is hydraulic oil, diesel oil, emulsion and the water that viscosity coefficient is different.
The experimental technique of described a kind of high-pressure gear effusion meter comprehensive characteristic test device, it is characterised in that: according to liquid
The difference of the medium of pressure transmission medium (70), effusion meter 1 (10) dynamic property that this experimental technique can do different medium viscosity is real
Test.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.The technical staff of the industry should
Understanding, the present invention is not restricted to the described embodiments, and the simply explanation present invention's described in above-described embodiment and description is former
Reason, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes and improvements
Both fall within scope of the claimed invention.Claimed scope is by appending claims and equivalent circle thereof
Fixed.
Claims (5)
1. a hydraulic system for high-pressure gear effusion meter comprehensive characteristic test device, the hydraulic system of this experimental provision is by pumping source
Assembly (101), effusion meter Dynamic performance examination system component (103) form；Pumping source assembly (101) by three-way cut-off valve 1 (18),
Plug 1 (64), fuel tank assembly (206), high-pressure plunger variable pump (2), filter 1 (24), high pressure tubular filter assemblies 1
(202), relief valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge (34), digital display pressure transducer 1 (29) form, wherein
High pressure tubular filter assemblies 1 (202) by check valve 1 (50), filter 1 (51), pressure difference switch 1 (52), power supply 1 (53), refer to
Showing that lamp 1 (54) forms, fuel tank assembly (206) is situated between by fuel tank (1), air filter (28), liquid temperature liquidometer (35), hydraulic power transmission
Matter (70) forms；Effusion meter Dynamic performance examination system component (103) is by servo valve reversal valve (4), signal generator (36), hands
Dynamic reversal valve (5), overflow valve bridge oil piping assembly (204), effusion meter bridge oil piping assembly (203), hydraulic cylinder test suite
(205), digital display pressure transducer 4 (32), direct acting overflow valve 3 (8), filter 2 (25), fuel tank assembly (206) composition, effusion meter
Bridge oil piping assembly (203) is by plate-type non-return valve 5 (12A), plate-type non-return valve 6 (13A), plate-type non-return valve 7 (14A), board-like list
To valve 8 (15A), effusion meter 1 (10), digital display pressure transducer 2 (30), digital display pressure transducer 3 (31), speed probe 1
(39), computer 1 (40), data wire 1 (44), data wire 2 (56), high-speed data acquisition card 1 (55) composition；Overflow valve bridge oil piping
Assembly (204) is by plate-type non-return valve 1 (12), plate-type non-return valve 2 (13), plate-type non-return valve 3 (14), plate-type non-return valve 4 (15), straight
Dynamic overflow valve 2 (7) composition；Hydraulic cylinder test suite (205) is by displacement transducer (21), double outlet-rod hydraulic cylinder (20), digital display pressure
Force transducer 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data wire 3 (57), data wire 4 (58) form；Filter
The a mouth of device 1 (24) is connected with fuel tank assembly (206), a mouth phase of the b mouth of filter 1 (24) and high-pressure plunger variable pump (2)
Connection；The b mouth of high-pressure plunger variable pump (2) is connected with a mouth of high pressure tubular filter 1 (202)；High pressure tubular filter 1
(202) b mouth is connected with a mouth of tubular type check valve 1 (16), a mouth of mechanical pressure gauge (34), the P mouth of relief valve 1 (6) respectively
Logical；The T mouth of relief valve 1 (6) is connected with fuel tank assembly (206)；The b mouth of tubular type check valve 1 (16) passes with digital display pressure respectively
The a mouth of sensor 1 (29), a mouth of three-way cut-off valve 1 (18) are connected；The c mouth of three-way cut-off valve 1 (18) and servo valve reversal valve
(4) P mouth is connected；The T mouth of servo valve reversal valve (4) is connected with the P mouth of direct acting overflow valve 3 (8)；Direct acting overflow valve 3 (8)
T mouth be connected with the b mouth of filter 2 (25)；The a mouth of filter 2 (25) is connected with fuel tank assembly (206)；Servo valve changes
It is connected with the T mouth of hand-operated direction valve (5) to the A mouth of valve (4)；The B mouth of servo valve reversal valve (4) respectively with double outlet-rod hydraulic cylinders
(20) b mouth, a mouth of digital display pressure transducer 4 (32) are connected；The Y mouth of servo valve reversal valve (4) is blocked；Manual reverse of direction
The P mouth of valve (5) is blocked；The A mouth of hand-operated direction valve (5) respectively with a mouth, the plate-type non-return valve 4 (15) of plate-type non-return valve 1 (12)
B mouth, a mouth of digital display pressure transducer 2 (30) be connected, a mouth of plate-type non-return valve 5 (12A), plate-type non-return valve 8 (15A)
B mouth is connected；The b mouth of plate-type non-return valve 1 (12) respectively with b mouth, the P mouth of direct acting overflow valve 2 (7) of plate-type non-return valve 2 (13)
It is connected；The a mouth of plate-type non-return valve 2 (13) is connected with the b mouth of plate-type non-return valve 3 (14)；The a mouth of plate-type non-return valve 3 (14)
T mouth with direct acting overflow valve 2 (7) is connected respectively, a mouth of plate-type non-return valve 4 (15) is connected；Plate-type non-return valve 5 (12A)
B mouth is connected with b mouth, a mouth of effusion meter 1 (10) of plate-type non-return valve 6 (13A) respectively；The a mouth of plate-type non-return valve 6 (13A) with
The b mouth of plate-type non-return valve 7 (14A) is connected；The a mouth of plate-type non-return valve 7 (14A) respectively with a mouth of plate-type non-return valve 8 (15A),
The b mouth of effusion meter 1 (10) is connected；The B mouth of hand-operated direction valve (5) respectively with the b mouth of plate-type non-return valve 7 (14A), board-like unidirectional
The a mouth of valve 6 (13A), a mouth of double outlet-rod hydraulic cylinder (20), a mouth of digital display pressure transducer 3 (31), plate-type non-return valve 3 (14)
B mouth, a mouth of plate-type non-return valve 2 (13) is connected；Air filter (28) is arranged on fuel tank (1)；Liquid temperature liquidometer (35)
It is arranged on the inwall of fuel tank (1)；The rotating speed letter that the flow signal of hydraulic system is transformed in effusion meter by effusion meter 1 (10)
Number, then by the speed probe 1 (39) being arranged on effusion meter 1 (10), by means of data wire 1 (44) by speed probe 1
(39) connect with high-speed data acquisition card 1 (55), then by data wire 2 (56) by high-speed data acquisition card 1 (55) and computer 1
(40) connect；Displacement transducer (21) is mounted and fixed on the one end on double rods of double outlet-rod hydraulic cylinder (20), passes through data
Line 3 (57) connects high-speed data acquisition card 2 (41) and displacement transducer (21), by data wire 4 (58) connection computer 2 (42) and
High-speed data acquisition card 2 (41)；
When three-way cut-off valve 1 (18) hands is when being positioned at position A, and a oil circuit of three-way cut-off valve 1 (18) is connected with b oil circuit；When three
Logical stop valve 1 (18) hands is when being positioned at position B, and a oil circuit of three-way cut-off valve 1 (18) is connected with c oil circuit；Three-way cut-off valve 1
(18) b oil circuit is blocked by plug 1 (64), if opening plug 1 (64), then pumping source assembly (101) supplies other as independent pumping source
Hydraulic test uses；
When the spool of servo valve reversal valve (4) is in middle position, P, T, A, B mouth of servo valve reversal valve (4) is not connected；When watching
Taking the spool of valve reversal valve (4) when being in left position, the P mouth of servo valve reversal valve (4) communicates with B mouth, and T mouth communicates with A mouth；When watching
Taking the spool of valve reversal valve (4) when being in right position, the P mouth of servo valve reversal valve (4) communicates with A mouth, and T mouth communicates with B mouth；Manually
The P mouth of reversal valve (5) is blocked；When hand-operated direction valve (5) is in right position, the T mouth of hand-operated direction valve (5) and hand-operated direction valve
(5) A mouth is connected；When hand-operated direction valve (5) is in left position, the T mouth of hand-operated direction valve (5) and the B of hand-operated direction valve (5)
Mouth is connected；
The function of effusion meter bridge oil piping assembly (203) is to ensure that hydraulic power transmission medium (70) can only be from a mouth of effusion meter 1 (10)
Flow into, flow out from the b mouth of effusion meter 1 (10)；The function of overflow valve bridge oil piping assembly (204) is to maintain hydraulic power transmission medium
(70) can only flow into from the P mouth of direct acting overflow valve 2 (7), flow out from the T mouth of direct acting overflow valve 2 (7)；
If filter 1 (51) blocks, hydraulic power transmission medium (70) is by the check valve 1 (50) through bypass, and triggers pressure reduction
Switch 1 (52) makes display lamp 1 (54) be powered by power supply 2 (49) and send plugged filter alarm signal；
After starting pumping source assembly (101), if system pressure is more than the unlatching pressure of relief valve 1 (6), relief valve 1 (6) will be beaten
Opening, hydraulic power transmission medium (70) is then filtered through filter 1 (24), high-pressure plunger variable pump (2), high pressure tubular by fuel tank (1)
Device assembly 1 (202), relief valve 1 (6) return to fuel tank (1)；If system pressure is less than the set pressure of relief valve 1 (6), pumping source group
Part (101) as pumping source, hydraulic power transmission medium (70) by fuel tank (1) through filter 1 (24), high-pressure plunger variable pump (2), high
Pressure-pipe type filter assemblies 1 (202), tubular type check valve 1 (16) lead to a mouth of three-way cut-off valve 1 (18), use as pumping source；
The unlatching pressure opening pressure of relief valve 1 (6) is 2～31.5MPa.
The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device the most according to claim 1, its feature
It is: hydraulic power transmission medium (70) is hydraulic oil, diesel oil, emulsion and the water that viscosity coefficient is different.
3. an experimental technique for high-pressure gear effusion meter comprehensive characteristic test device, the hydraulic pressure of the experimental provision of this experimental technique
System is made up of pumping source assembly (101), effusion meter Dynamic performance examination system component (103)；Pumping source assembly (101) is cut by threeway
Only valve 1 (18), plug 1 (64), fuel tank assembly (206), high-pressure plunger variable pump (2), filter 1 (24), high pressure tubular filter
Device assembly 1 (202), relief valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge (34), digital display pressure transducer 1 (29) group
Becoming, wherein high pressure tubular filter assemblies 1 (202) is by check valve 1 (50), filter 1 (51), pressure difference switch 1 (52), power supply 1
(53), display lamp 1 (54) composition, fuel tank assembly (206) is by fuel tank (1), air filter (28), liquid temperature liquidometer (35), liquid
Pressure transmission medium (70) composition；Effusion meter Dynamic performance examination system component (103) is occurred by servo valve reversal valve (4), signal
Device (36), hand-operated direction valve (5), overflow valve bridge oil piping assembly (204), effusion meter bridge oil piping assembly (203), hydraulic cylinder are surveyed
Examination assembly (205), digital display pressure transducer 4 (32), direct acting overflow valve 3 (8), filter 2 (25), fuel tank assembly (206) composition,
Effusion meter bridge oil piping assembly (203) by plate-type non-return valve 5 (12A), plate-type non-return valve 6 (13A), plate-type non-return valve 7 (14A),
Plate-type non-return valve 8 (15A), effusion meter 1 (10), digital display pressure transducer 2 (30), digital display pressure transducer 3 (31), revolution speed sensing
Device 1 (39), computer 1 (40), data wire 1 (44), data wire 2 (56), high-speed data acquisition card 1 (55) form；Overflow valve bridge-type
Oil circuit assembly (204) is by plate-type non-return valve 1 (12), plate-type non-return valve 2 (13), plate-type non-return valve 3 (14), plate-type non-return valve 4
(15), direct acting overflow valve 2 (7) composition；Hydraulic cylinder test suite (205) by displacement transducer (21), double outlet-rod hydraulic cylinder (20),
Digital display pressure transducer 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data wire 3 (57), data wire 4 (58) group
Become；The a mouth of filter 1 (24) is connected with fuel tank assembly (206), the b mouth of filter 1 (24) and high-pressure plunger variable pump (2)
A mouth be connected；The b mouth of high-pressure plunger variable pump (2) is connected with a mouth of high pressure tubular filter 1 (202)；High pressure tubular
The b mouth of filter 1 (202) respectively with a mouth of tubular type check valve 1 (16), a mouth of mechanical pressure gauge (34), the P of relief valve 1 (6)
Mouth is connected；The T mouth of relief valve 1 (6) is connected with fuel tank assembly (206)；The b mouth of tubular type check valve 1 (16) respectively with digital display
The a mouth of pressure transducer 1 (29), a mouth of three-way cut-off valve 1 (18) are connected；The c mouth of three-way cut-off valve 1 (18) and servo valve
The P mouth of reversal valve (4) is connected；The T mouth of servo valve reversal valve (4) is connected with the P mouth of direct acting overflow valve 3 (8)；Direct acting overflow
The T mouth of valve 3 (8) is connected with the b mouth of filter 2 (25)；The a mouth of filter 2 (25) is connected with fuel tank assembly (206)；Watch
The T mouth of the A mouth and hand-operated direction valve (5) that take valve reversal valve (4) is connected；The B mouth of servo valve reversal valve (4) respectively with double rods
The b mouth of hydraulic cylinder (20), a mouth of digital display pressure transducer 4 (32) are connected；The Y mouth of servo valve reversal valve (4) is blocked；Hands
The P mouth of dynamic reversal valve (5) is blocked；The A mouth of hand-operated direction valve (5) respectively with a mouth of plate-type non-return valve 1 (12), board-like unidirectional
The b mouth of valve 4 (15), a mouth of digital display pressure transducer 2 (30) are connected, a mouth of plate-type non-return valve 5 (12A), plate-type non-return valve 8
(15A) b mouth is connected；The b mouth of plate-type non-return valve 1 (12) respectively with b mouth, the direct acting overflow valve 2 of plate-type non-return valve 2 (13)
(7) P mouth is connected；The a mouth of plate-type non-return valve 2 (13) is connected with the b mouth of plate-type non-return valve 3 (14)；Plate-type non-return valve 3
(14) a mouth T mouth with direct acting overflow valve 2 (7) respectively is connected, a mouth of plate-type non-return valve 4 (15) is connected；Board-like unidirectional
The b mouth of valve 5 (12A) is connected with b mouth, a mouth of effusion meter 1 (10) of plate-type non-return valve 6 (13A) respectively；Plate-type non-return valve 6
(13A) a mouth is connected with the b mouth of plate-type non-return valve 7 (14A)；The a mouth of plate-type non-return valve 7 (14A) respectively with plate-type non-return valve
The a mouth of 8 (15A), the b mouth of effusion meter 1 (10) are connected；The B mouth of hand-operated direction valve (5) respectively with plate-type non-return valve 7 (14A)
B mouth, a mouth of plate-type non-return valve 6 (13A), a mouth of double outlet-rod hydraulic cylinder (20), a mouth of digital display pressure transducer 3 (31), board-like
The b mouth of check valve 3 (14), a mouth of plate-type non-return valve 2 (13) are connected；Air filter (28) is arranged on fuel tank (1)；Liquid
Temperature liquidometer (35) is arranged on the inwall of fuel tank (1)；The flow signal of hydraulic system is transformed into effusion meter by effusion meter 1 (10)
Interior tach signal, then by the speed probe 1 (39) being arranged on effusion meter 1 (10), will turn by means of data wire 1 (44)
Speed sensor 1 (39) connects with high-speed data acquisition card 1 (55), then by data wire 2 (56) by high-speed data acquisition card 1 (55)
It is connected with computer 1 (40)；Displacement transducer (21) is mounted and fixed on the one end on double rods of double outlet-rod hydraulic cylinder (20), logical
Cross data wire 3 (57) and connect high-speed data acquisition card 2 (41) and displacement transducer (21), connect computer 2 by data wire 4 (58)
And high-speed data acquisition card 2 (41) (42)；
When three-way cut-off valve 1 (18) hands is when being positioned at position A, and a oil circuit of three-way cut-off valve 1 (18) is connected with b oil circuit；When three
Logical stop valve 1 (18) hands is when being positioned at position B, and a oil circuit of three-way cut-off valve 1 (18) is connected with c oil circuit；Three-way cut-off valve 1
(18) b oil circuit is blocked by plug 1 (64), if opening plug 1 (64), then pumping source assembly (101) supplies other as independent pumping source
Hydraulic test uses；
When the spool of servo valve reversal valve (4) is in middle position, P, T, A, B mouth of servo valve reversal valve (4) is not connected；When watching
Taking the spool of valve reversal valve (4) when being in left position, the P mouth of servo valve reversal valve (4) communicates with B mouth, and T mouth communicates with A mouth；When watching
Taking the spool of valve reversal valve (4) when being in right position, the P mouth of servo valve reversal valve (4) communicates with A mouth, and T mouth communicates with B mouth；Manually
The P mouth of reversal valve (5) is blocked；When hand-operated direction valve (5) is in right position, the T mouth of hand-operated direction valve (5) and hand-operated direction valve
(5) A mouth is connected；When hand-operated direction valve (5) is in left position, the T mouth of hand-operated direction valve (5) and the B of hand-operated direction valve (5)
Mouth is connected；
The function of effusion meter bridge oil piping assembly (203) is to ensure that hydraulic power transmission medium (70) can only be from a mouth of effusion meter 1 (10)
Flow into, flow out from the b mouth of effusion meter 1 (10)；The function of overflow valve bridge oil piping assembly (204) is to maintain hydraulic power transmission medium
(70) can only flow into from the P mouth of direct acting overflow valve 2 (7), flow out from the T mouth of direct acting overflow valve 2 (7)；
If filter 1 (51) blocks, hydraulic power transmission medium (70) is by the check valve 1 (50) through bypass, and triggers pressure reduction
Switch 1 (52) makes display lamp 1 (54) be powered by power supply 2 (49) and send plugged filter alarm signal；
After starting pumping source assembly (101), if system pressure is more than the unlatching pressure of relief valve 1 (6), relief valve 1 (6) will be beaten
Opening, hydraulic power transmission medium (70) is then filtered through filter 1 (24), high-pressure plunger variable pump (2), high pressure tubular by fuel tank (1)
Device assembly 1 (202), relief valve 1 (6) return to fuel tank (1)；If system pressure is less than the set pressure of relief valve 1 (6), pumping source group
Part (101) as pumping source, hydraulic power transmission medium (70) by fuel tank (1) through filter 1 (24), high-pressure plunger variable pump (2), high
Pressure-pipe type filter assemblies 1 (202), tubular type check valve 1 (16) lead to a mouth of three-way cut-off valve 1 (18), use as pumping source；
By three-way cut-off valve 1 (18) hands being transferred to position B, start pumping source assembly (101), do servo valve reversal valve performance test；
Servo valve reversal valve (4) is placed in middle position, and hand-operated direction valve (5) is placed in left position, is commutated to servo valve by signal generator (36)
Valve (4) loads the square-wave signal of given frequency f, and frequency f of square-wave signal is taken as 1Hz, and servo valve reversal valve (4) is then sent out by signal
Given frequency f of raw device (36) commutates, and now, servo valve is commutated by the displacement transducer (21) on double outlet-rod hydraulic cylinders (20)
The displacement signal that valve (4) commutates, is delivered to computer 2 (42) by high-speed data acquisition card 2 (41), is shown by data acquisition software
Show the commutating frequency f1 of double outlet-rod hydraulic cylinder (20), observe the waveform of displacement transducer (21) displacement signal, as commutating frequency f1
Time consistent with frequency f that servo valve reversal valve (4) loads, improve the excursion of the loading frequency f, f of signal generator (36)
Be 1～100Hz, do under different incoming frequency the performance test of servo valve reversal valve (4), obtain under this hydraulic system should
The highest commutating frequency f1 of servo valvemax；The excursion of the pressure P, P of regulation direct acting overflow valve 3 (8) is 0～31.5MPa, does
The performance test of the servo valve reversal valve (4) under different pressures；Discharge capacity q of regulation high-pressure plunger variable pump (2), the change model of q
Enclosing is 10～63ml/r, does the performance test of the servo valve reversal valve (4) of different flow；
Three-way cut-off valve 1 (18) hands handle is transferred to position B, hand-operated direction valve (5) is in right position, servo valve reversal valve (4) is in
Middle position, starts pumping source assembly (101), does the dynamic performance experiment of effusion meter 1 (10)；Spool position when servo valve reversal valve (4)
When right position, hydraulic power transmission medium (70) by pumping source assembly (101) through the c mouth of three-way cut-off valve 1 (18), servo valve reversal valve
(4) P mouth, the A mouth of servo valve reversal valve (4), the T mouth of hand-operated direction valve (5), the A mouth of hand-operated direction valve (5), entered by W mouth
Effusion meter bridge component (203) and overflow valve bridge component (204)；Hydraulic power transmission medium (70) warp from working connection W mouth
Oil circuit plate-type non-return valve 5 (12A), effusion meter 1 (10), plate-type non-return valve 7 (14A), V mouth and a mouth of double outlet-rod hydraulic cylinders (20)
It is connected, then passes through b mouth and the B mouth of servo valve reversal valve (4), the T of servo valve reversal valve (4) of double outlet-rod hydraulic cylinders (20)
Mouth, direct acting overflow valve 3 (8), filter 2 (25) flow back to fuel tank assembly (206)；By regulating the pressure threshold of direct acting overflow valve 2 (7)
Value regulates the uninterrupted by effusion meter 1 (10)；
Hand-operated direction valve (5) is placed in right position, carries out the performance test of servo valve reversal valve (4), now effusion meter bridge oil piping
The method for bypass flow measurement module that assembly (203), hydraulic cylinder test suite (205) form is incorporated with in system；Signal is occurred
Frequency f1 that device (36) sends is adjusted to the square-wave signal of 1Hz and is loaded on servo valve reversal valve (4), and simulation working connection is 1Hz
Dynamic hydraulic signal, by computer, observe the rotating speed letter of the speed probe 1 (39) being arranged on sensed flow meter 1 (10)
Number following frequency f2, if f2 with f1 is consistent, continues to improve the frequency of f1, make the effusion meter 1 (10) of different loading frequency f1
Dynamic performance experiment, finally gives the highest dynamic frequency f2 of effusion meter 1 (10)max；The pressure P of regulation direct acting overflow valve 3 (8),
The excursion of P is 0～31.5MPa, and this experimental technique does the dynamic performance experiment of the effusion meter 1 (10) under different pressures；Adjust
Discharge capacity q of joint high-pressure plunger variable pump (2), the excursion of q is 10～63ml/r, and this experimental technique does the flow of different flow
The dynamic performance experiment of meter 1 (10).
The experimental technique of a kind of high-pressure gear effusion meter comprehensive characteristic test device the most according to claim 3, its feature
It is: hydraulic power transmission medium (70) is hydraulic oil, diesel oil, emulsion and the water that viscosity coefficient is different.
The experimental technique of a kind of high-pressure gear effusion meter comprehensive characteristic test device the most according to claim 3, its feature
Being: according to the difference of the medium of hydraulic power transmission medium (70), this experimental technique makees the effusion meter 1 (10) of different medium viscosity and moves
State performance test.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802878.6A CN106197569A (en) | 2016-09-05 | 2016-09-05 | The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique |
| PCT/CN2017/100312 WO2018041257A1 (en) | 2016-09-05 | 2017-09-04 | Hydraulic system of device for testing comprehensive performance of high-pressure gear flowmeter and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802878.6A CN106197569A (en) | 2016-09-05 | 2016-09-05 | The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique |
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| CN106197569A true CN106197569A (en) | 2016-12-07 |
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| CN201610802878.6A Pending CN106197569A (en) | 2016-09-05 | 2016-09-05 | The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique |
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| WO (1) | WO2018041257A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018041257A1 (en) * | 2016-09-05 | 2018-03-08 | 安徽理工大学 | Hydraulic system of device for testing comprehensive performance of high-pressure gear flowmeter and testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443716A (en) * | 2018-09-30 | 2019-03-08 | 儒拉玛特自动化技术(苏州)有限公司 | Hydraulic pressure testing device |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02154803A (en) * | 1988-10-07 | 1990-06-14 | Westinghouse Electric Corp <We> | Method of testing hydraulic equipment and analyzer for hydraulic equipment |
| JPH04301536A (en) * | 1991-03-29 | 1992-10-26 | Mitsubishi Heavy Ind Ltd | Actuator |
| US5916138A (en) * | 1996-11-06 | 1999-06-29 | Sms Schloemann-Siemag Aktiengesellschaft | Hydrostatic transmission |
| JP2005164449A (en) * | 2003-12-04 | 2005-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | Device for measuring servo-valve characteristics |
| US20070051184A1 (en) * | 2005-09-07 | 2007-03-08 | The Boeing Company | Velocity feedback compensation for force control systems |
| JP2007154983A (en) * | 2005-12-05 | 2007-06-21 | Sumitomo Precision Prod Co Ltd | Hydraulic device, loading device and alighting gear |
| CN101183050A (en) * | 2007-11-30 | 2008-05-21 | 北京理工大学 | Electrohydraulic servo valve dynamic performance testing method for measuring displacement |
| CN101813109A (en) * | 2010-04-02 | 2010-08-25 | 山东电力研究院 | Servo valve test system |
| CN201636132U (en) * | 2010-04-02 | 2010-11-17 | 山东电力研究院 | Hydraulic device for servo valve testing system |
| CN102439412A (en) * | 2009-05-22 | 2012-05-02 | 国际计测器株式会社 | Hydraulic system and general-purpose test device |
| KR101385112B1 (en) * | 2013-03-11 | 2014-04-14 | 주식회사 에네스지 | Test Block for Control Type Hydraulic Actuator |
| CN204716667U (en) * | 2015-06-04 | 2015-10-21 | 宁波恒力液压股份有限公司 | The Development of Hydraulic Synthetic Test-bed of servovalve dynamic and static state performance test |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7054788B2 (en) * | 2000-11-06 | 2006-05-30 | Advantest Corporation | Memory defect remedy analyzing method and memory test instrument |
| CN201569454U (en) * | 2009-12-18 | 2010-09-01 | 辽宁电力控制技术有限公司 | Servo valve flow test system |
| CN102435232A (en) * | 2011-09-05 | 2012-05-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Flow test equipment for inner cavity of engine blade |
| CN206192412U (en) * | 2016-09-05 | 2017-05-24 | 安徽理工大学 | Hydraulic system of high pressure gear meter comprehensive properties experimental apparatus |
| CN106197569A (en) * | 2016-09-05 | 2016-12-07 | 安徽理工大学 | The hydraulic system of a kind of high-pressure gear effusion meter comprehensive characteristic test device and experimental technique |
-
2016
- 2016-09-05 CN CN201610802878.6A patent/CN106197569A/en active Pending
-
2017
- 2017-09-04 WO PCT/CN2017/100312 patent/WO2018041257A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02154803A (en) * | 1988-10-07 | 1990-06-14 | Westinghouse Electric Corp <We> | Method of testing hydraulic equipment and analyzer for hydraulic equipment |
| JPH04301536A (en) * | 1991-03-29 | 1992-10-26 | Mitsubishi Heavy Ind Ltd | Actuator |
| US5916138A (en) * | 1996-11-06 | 1999-06-29 | Sms Schloemann-Siemag Aktiengesellschaft | Hydrostatic transmission |
| JP2005164449A (en) * | 2003-12-04 | 2005-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | Device for measuring servo-valve characteristics |
| US20070051184A1 (en) * | 2005-09-07 | 2007-03-08 | The Boeing Company | Velocity feedback compensation for force control systems |
| JP2007154983A (en) * | 2005-12-05 | 2007-06-21 | Sumitomo Precision Prod Co Ltd | Hydraulic device, loading device and alighting gear |
| CN101183050A (en) * | 2007-11-30 | 2008-05-21 | 北京理工大学 | Electrohydraulic servo valve dynamic performance testing method for measuring displacement |
| CN102439412A (en) * | 2009-05-22 | 2012-05-02 | 国际计测器株式会社 | Hydraulic system and general-purpose test device |
| CN101813109A (en) * | 2010-04-02 | 2010-08-25 | 山东电力研究院 | Servo valve test system |
| CN201636132U (en) * | 2010-04-02 | 2010-11-17 | 山东电力研究院 | Hydraulic device for servo valve testing system |
| KR101385112B1 (en) * | 2013-03-11 | 2014-04-14 | 주식회사 에네스지 | Test Block for Control Type Hydraulic Actuator |
| CN204716667U (en) * | 2015-06-04 | 2015-10-21 | 宁波恒力液压股份有限公司 | The Development of Hydraulic Synthetic Test-bed of servovalve dynamic and static state performance test |
Non-Patent Citations (1)
| Title |
|---|
| 吴勇: "行星齿轮流量计的理论研究", 《中国优秀硕士学位论文全文数据库 工程科技辑II 》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018041257A1 (en) * | 2016-09-05 | 2018-03-08 | 安徽理工大学 | Hydraulic system of device for testing comprehensive performance of high-pressure gear flowmeter and testing method |
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|---|---|
| WO2018041257A1 (en) | 2018-03-08 |
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