CN206192412U - Hydraulic system of high pressure gear meter comprehensive properties experimental apparatus - Google Patents
Hydraulic system of high pressure gear meter comprehensive properties experimental apparatus Download PDFInfo
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- CN206192412U CN206192412U CN201621038188.XU CN201621038188U CN206192412U CN 206192412 U CN206192412 U CN 206192412U CN 201621038188 U CN201621038188 U CN 201621038188U CN 206192412 U CN206192412 U CN 206192412U
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Abstract
The utility model discloses a hydraulic system of high pressure gear meter comprehensive properties experimental apparatus, the utility model discloses a hydraulic system comprises pumping source subassembly, flowmeter dynamic behavior testing system subassembly. Through the output frequence of conditioning signal generator, accomplish the performance experiment of the servovalve switching -over valve under the different input frequency, through adjusting the cracking pressure who directly moves the overflow valve, accomplish the servovalve switching -over valve performance experiment under the different pressure, through adjusting high -pressure plunger variable pump delivery, accomplish the performance experiment of the servovalve switching -over valve of different flows. Through the output frequence of conditioning signal generator, accomplish the dynamic behavior experiment of the flowmeter under the different input frequency, through adjusting the cracking pressure who directly moves the overflow valve, do the dynamic behavior experiment of the high -pressure gear meter under the different pressure, through the regulating variable pump delivery, do the dynamic behavior experiment of the high -pressure gear meter under the different flows.
Description
Technical field
The utility model is related to a kind of hydraulic system of high-pressure gear flowmeter comprehensive characteristic test device, more particularly to high
The technical field of knob flowmeters comprehensive characteristic test.
Background technology
Gear meter, is the class of precision highest one in flow instrument, wherein, for the positive displacement of high-pressure hydraulic
Flowmeter typically uses gear meter.It is continuously divided into fluid single known volume using the gear of rotation
Part, is gradually repeatedly full of and discharges the number of times of the volume fractiion fluid to measure the flow of fluid according to measuring chamber.Typically
Lowpressure stream gauge all installed in hydraulic system oil return side, and high-pressure flowmeter be arranged on hydraulic system high-pressure side, such 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 utility model devises a kind of " high-pressure gear flowmeter comprehensive characteristic test device
Hydraulic system ", disadvantages described above can be overcome, can complete different incoming frequencies, different system pressure, different system flow,
Servo valve performance test under different medium viscosity, can complete different incoming frequencies, different system pressure, different system stream
The performance test of the high-pressure gear flowmeter under amount, different medium viscosity,
The content of the invention
The utility model devises a kind of hydraulic system of high-pressure gear flowmeter comprehensive characteristic test device, and the practicality is new
Type can complete following experiment：(1) performance test of the servo valve reversal valve under different incoming frequencies can be completed, is somebody's turn to do
The highest commutating frequency f1 of the servo valve under hydraulic systemmax；The servo valve commutation valve performance reality under different pressures can be done
Test；The performance test of the servo valve reversal valve of different flow can be done；(2) flowmeter 1 under different loading frequency f1 can be made
(10) dynamic performance experiment, can finally obtain the highest dynamic frequency f2 of high-pressure gear flowmetermax；Can do under different pressures
High-pressure gear flowmeter dynamic performance experiment；The dynamic performance experiment of the high-pressure gear flowmeter under different flow can be done；
(3) difference of the working media viscosity according to hydraulic system, under conditions of working media is diesel oil, hydraulic oil and water, completes
The performance test of above servo valve and high-pressure gear flowmeter.
The present invention solve its technical problem use technical scheme be：
The hydraulic system of the experimental provision is by pumping source component (101), flowmeter Dynamic performance examination system component (103) group
Into；Pumping source component (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), safety valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge
(34), digital display pressure sensor 1 (29) is constituted, and wherein high pressure tubular filter assemblies 1 (202) are by check valve 1 (50), filter
1 (51), pressure difference switch 1 (52), power supply 1 (53), indicator lamp 1 (54) are constituted, and fuel tank assembly (206) is by fuel tank (1), air filtration
Device (28), liquid temperature liquid level gauge (35), hydraulic power transmission medium (70) composition；Flowmeter 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 component (204), flowmeter bridge
Formula oil circuit component (203), hydraulic cylinder test suite (205), digital display pressure sensor 4 (32), direct acting overflow valve 3 (8), filter
2 (25), fuel tank assembly (206) composition, flowmeter bridge oil piping component (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), flowmeter 1 (10), digital display pressure sensor 2 (30), digital display
Pressure sensor 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) is constituted；Overflow valve bridge oil piping component (204) is by plate-type non-return valve 1 (12), plate-type non-return valve 2 (13), board-like list
Constituted to valve 3 (14), plate-type non-return valve 4 (15), direct acting overflow valve 2 (7)；Hydraulic cylinder test suite (205) is by displacement transducer
(21), double outlet-rod hydraulic cylinders (20), digital display pressure sensor 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data
Line 3 (57), data wire 4 (58) are constituted.
By the output frequency of Regulate signal generator, the performance reality of the servo valve reversal valve under different incoming frequencies is completed
Test；By adjusting the Opening pressure of direct acting overflow valve 3 (8), the servo valve reversal valve performance test under different pressures is completed；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 Regulate signal
The output frequency of generator, completes the dynamic performance experiment of the flowmeter 1 (10) under different incoming frequencies, can finally obtain high pressure
The highest dynamic frequency f2 of gear metermax；By adjusting the Opening pressure of direct acting overflow valve 3 (8), do under different pressures
The dynamic performance experiment of high-pressure gear flowmeter；By adjusting the discharge capacity of high-pressure plunger variable pump (2), the height under different flow is done
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, the performance test of above servo valve and high-pressure gear flowmeter is completed.
The present invention has an advantageous effect in that compared with background technology：
Hydraulic system of the present utility model and experimental technique can be completed：(1) different pressures, different flow, different viscosities
Servo valve performance test, (2) different pressures, different flow, the dynamic performance experiment of the high-pressure gear flowmeter of different viscosities,
Be servo valve performance test and the dynamic performance experiment of positive displacement high-pressure flowmeter, there is provided new solution and design according to
According to.
Brief description of the drawings
The utility model is described further with example below in conjunction with the accompanying drawings.
Fig. 1 is the hydraulic schematic diagram of pumping source component (101) of the present utility model.
Fig. 2 is the hydraulic schematic diagram of weight method Flow Meter's Demarcation component (102) of the present utility model.
In Fig. 1, Fig. 2,1. fuel tank, 2. high-pressure plunger variable pump, 3. gear pump, 9. direct acting overflow valve, 11. flowmeters 1,
16. tubular type check valves 1,17. tubular type check valves 2,18. three-way cut-off valves 1,19. three-way cut-off valves 2,22. weighing oil tanks, 23. electricity
Sub- title, 6. 24. filters 1, safety valve 1,28. air cleaners, 29. digital display pressure sensors 1,33. digital display pressure sensors
2nd, 34. mechanical pressure gauges, 35. liquid temperature liquid level gauges, 37. flexible pipes 1,38. flexible pipes 2,43. speed probes 1,45. check valves 2,46.
Filter 2,47. pressure difference switches 2,48. indicator lamps 2,49. power supplys 2,50. check valves 1,51. filters 1,52. pressure difference switches 1,
53. power supplys 1,54. indicator lamps 1,59. data wires 1,60. data collecting cards 1,61. data wires 2,62. computers 1,63. plugs 1,
65. hydraulic power transmission media, 101. pumping source components, 102. weight method Flow Meter's Demarcation components, 201. high pressure tubular filters
Component 2,202. high pressure tubular filter assemblies 1,206. fuel tank assemblies,
Specific embodiment
As shown in Figure 1, 2, a kind of hydraulic system of high-pressure gear flowmeter comprehensive characteristic test device, the experimental provision
Hydraulic system is made up of pumping source component (101), flowmeter Dynamic performance examination system component (103)；Pumping source component (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), safety valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge (34), digital display pressure sensor 1
(29) constitute, 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), indicator lamp 1 (54) are constituted, and fuel tank assembly (206) is by fuel tank (1), air cleaner (28), liquid temperature liquid level gauge
(35), hydraulic power transmission medium (70) composition；Flowmeter 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 component (204), flowmeter bridge oil piping component (203), liquid
Cylinder pressure test suite (205), digital display pressure sensor 4 (32), direct acting overflow valve 3 (8), filter 2 (25), fuel tank assembly
(206) constitute, flowmeter bridge oil piping component (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), flowmeter 1 (10), digital display pressure sensor 2 (30), digital display pressure sensor 3
(31), speed probe 1 (39), computer 1 (40), data wire 1 (44), data wire 2 (56), the group of high-speed data acquisition card 1 (55)
Into；Overflow valve bridge oil piping component (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) are constituted；Hydraulic cylinder test suite (205) is by displacement transducer (21), double rods
Hydraulic cylinder (20), digital display pressure sensor 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data wire 3 (57), data
Line 4 (58) is constituted；A mouthfuls of filter 1 (24) is connected with fuel tank assembly (206), b mouthfuls and high-pressure plunger of filter 1 (24)
A mouthfuls of variable pump (2) is connected；B mouthfuls of high-pressure plunger variable pump (2) is connected with a mouthfuls of high pressure tubular filter 1 (202)；
A mouthfuls, a mouthfuls of mechanical pressure gauge (34), the safety respectively with tubular type check valve 1 (16) of b mouthfuls of high pressure tubular filter 1 (202)
P mouthfuls of valve 1 (6) is connected；T mouthfuls of safety valve 1 (6) is connected with fuel tank assembly (206)；B mouthfuls of tubular type check valve 1 (16) point
A mouthfuls, a mouthfuls of three-way cut-off valve 1 (18) not with digital display pressure sensor 1 (29) is connected；C mouthfuls of three-way cut-off valve 1 (18)
P mouthfuls with servo valve reversal valve (4) is connected；T mouthfuls of servo valve reversal valve (4) is connected with P mouthfuls of direct acting overflow valve 3 (8)；
T mouthfuls of direct acting overflow valve 3 (8) is connected with b mouthfuls of filter 2 (25)；A mouthfuls of filter 2 (25) and fuel tank assembly (206) phase
Connection；A mouthfuls of servo valve reversal valve (4) is connected with T mouthfuls of hand-operated direction valve (5)；B mouthfuls of servo valve reversal valve (4) is respectively
B mouthfuls, a mouthfuls of digital display pressure sensor 4 (32) with double outlet-rod hydraulic cylinders (20) is connected；Y mouthfuls of quilt of servo valve reversal valve (4)
Closure；P mouthfuls of hand-operated direction valve (5) is blocked；A mouthfuls, the plate respectively with plate-type non-return valve 1 (12) of A mouthfuls of hand-operated direction valve (5)
B mouthfuls, a mouthfuls of digital display pressure sensor 2 (30) of formula check valve 4 (15) is connected, a mouthfuls of plate-type non-return valve 5 (12A), it is board-like
B mouthfuls of check valve 8 (15A) is connected；B mouthfuls of plate-type non-return valve 1 (12) respectively with plate-type non-return valve 2 (13) b mouthfuls, direct acting are overflow
P mouthfuls of stream valve 2 (7) is connected；A mouthfuls of plate-type non-return valve 2 (13) is connected with b mouthfuls of plate-type non-return valve 3 (14)；It is board-like unidirectional
A mouthfuls of valve 3 (14) is connected with T mouthfuls of direct acting overflow valve 2 (7) respectively, a mouthfuls of plate-type non-return valve 4 (15) be connected；Board-like list
It is connected to b mouthfuls of valve 5 (12A) respectively with plate-type non-return valve 6 (13A) b mouthfuls, a mouthfuls of flowmeter 1 (10)；Plate-type non-return valve 6
A mouthfuls of (13A) is connected with b mouthfuls of plate-type non-return valve 7 (14A)；A mouthfuls of plate-type non-return valve 7 (14A) respectively with plate-type non-return valve
A mouthfuls, b mouthfuls of flowmeter 1 (10) of 8 (15A) is connected；B mouthfuls of hand-operated direction valve (5) respectively with plate-type non-return valve 7 (14A)
B mouthfuls, a mouthfuls of plate-type non-return valve 6 (13A), a mouthfuls of double outlet-rod hydraulic cylinders (20), a mouthfuls of digital display pressure sensor 3 (31), it is board-like
B mouthfuls, a mouthfuls of plate-type non-return valve 2 (13) of check valve 3 (14) is connected；Air cleaner (28) is on fuel tank (1)；Liquid
Warm liquid level gauge (35) is on the inwall of fuel tank (1)；The flow signal of hydraulic system is transformed into flowmeter by flowmeter 1 (10)
Interior tach signal, then by the speed probe 1 (39) on flowmeter 1 (10), will be turned by means of data wire 1 (44)
Fast sensor 1 (39) is connected 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 cylinders (20), leads to
Data wire 3 (57) connection high-speed data acquisition card 2 (41) and displacement transducer (21) are crossed, computer 2 is connected by data wire 4 (58)
And high-speed data acquisition card 2 (41) (42)；
When the hand of three-way cut-off valve 1 (18) is position A is located at, a oil circuits of three-way cut-off valve 1 (18) are connected with b oil circuits；
When the hand of three-way cut-off valve 1 (18) is position B is located at, a oil circuits of three-way cut-off valve 1 (18) are connected with c oil circuits；Threeway ends
The b oil circuits of valve 1 (18) are blocked by plug 1 (64), if opening plug 1 (64), pumping source component (101) can be supplied as independent pumping source
Other hydraulic tests are used；
When the valve element of servo valve reversal valve (4) is in middle position, P, T, A, B mouthful of servo valve reversal valve (4) is not connected；
When the valve element of servo valve reversal valve (4) is in left position, P mouthfuls of servo valve reversal valve (4) is communicated with B mouthfuls, and T mouthfuls communicates with A mouthfuls；
When the valve element of servo valve reversal valve (4) is in right position, P mouthfuls of servo valve reversal valve (4) is communicated with A mouthfuls, and T mouthfuls communicates with B mouthfuls；
P mouthfuls of hand-operated direction valve (5) is blocked；When hand-operated direction valve (5) is in right position, T mouthfuls of hand-operated direction valve (5) with change manually
It is connected to A mouthfuls of valve (5)；When hand-operated direction valve (5) is in left position, T mouthfuls and hand-operated direction valve of hand-operated direction valve (5)
(5) B mouthfuls is connected；
The function of flowmeter bridge oil piping component (203) is to ensure that hydraulic power transmission medium (70) can only be from flowmeter 1 (10)
A mouthfuls of inflow, flowed out from b mouthful of flowmeter 1 (10)；The function of overflow valve bridge oil piping component (204) is to maintain hydraulic power transmission
Medium (70) can only be from P mouthfuls of direct acting overflow valve 2 (7) inflow, from T mouthfuls of outflow of direct acting overflow valve 2 (7)；
If filter 1 (51) is blocked, hydraulic power transmission medium (70) triggers the check valve 1 (50) by bypassing
Pressure difference switch 1 (52) is such that indicator lamp 1 (54) is powered by power supply 2 (49) and sends plugged filter alarm signal；
After starting pumping source component (101), if system pressure is more than the Opening pressure of safety valve 1 (6), safety valve 1 (6) will be by
Open, hydraulic power transmission medium (70) is then by fuel tank (1) by filter 1 (24), high-pressure plunger variable pump (2), high pressure tubular mistake
Filter module 1 (202), safety valve 1 (6) return to fuel tank (1)；If system pressure is less than the set pressure of safety valve 1 (6), pumping source
Component (101) as pumping source, hydraulic power transmission medium (70) by fuel tank (1) by filter 1 (24), high-pressure plunger variable pump (2),
High pressure tubular filter assemblies 1 (202), tubular type check valve 1 (16) make towards a mouthfuls of three-way cut-off valve 1 (18) as pumping source
With.The Opening pressure of safety valve 1 (6) is 2~31.5MPa.
A kind of hydraulic system of described high-pressure gear flowmeter comprehensive characteristic test device, it is characterised in that：Hydraulic pressure is passed
Defeated medium (70) is the different hydraulic oil of viscosity coefficient, diesel oil, emulsion and water.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.The utility model claims scope
By appending claims and its equivalent thereof.
Claims (2)
1. a kind of hydraulic system of high-pressure gear flowmeter comprehensive characteristic test device, it is characterized in that：The hydraulic pressure of the experimental provision
System is made up of pumping source component (101), flowmeter Dynamic performance examination system component (103)；Pumping source component (101) is cut by threeway
Only valve 1 (18), plug 1 (64), fuel tank assembly (206), high-pressure plunger variable pump (2), the filtering of filter 1 (24), high pressure tubular
Device assembly 1 (202), safety valve 1 (6), tubular type check valve 1 (16), mechanical pressure gauge (34), the group of digital display pressure sensor 1 (29)
Into wherein high pressure tubular filter assemblies 1 (202) are by check valve 1 (50), filter 1 (51), pressure difference switch 1 (52), power supply 1
(53), indicator lamp 1 (54) is constituted, and fuel tank assembly (206) is by fuel tank (1), air cleaner (28), liquid temperature liquid level gauge (35), liquid
Pressure transmission medium (70) composition；Flowmeter 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 component (204), flowmeter bridge oil piping component (203), hydraulic cylinder are surveyed
Examination component (205), digital display pressure sensor 4 (32), direct acting overflow valve 3 (8), filter 2 (25), fuel tank assembly (206) composition,
Flowmeter bridge oil piping component (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), flowmeter 1 (10), digital display pressure sensor 2 (30), digital display pressure sensor 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) are constituted；Overflow valve bridge-type
Oil circuit component (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) is constituted；Hydraulic cylinder test suite (205) by displacement transducer (21), double outlet-rod hydraulic cylinders (20),
Digital display pressure sensor 4 (32), high-speed data acquisition card 2 (41), computer 2 (42), data wire 3 (57), the group of data wire 4 (58)
Into；A mouthfuls of filter 1 (24) is connected with fuel tank assembly (206), b mouthfuls and high-pressure plunger variable pump (2) of filter 1 (24)
A mouthfuls be connected；B mouthfuls of high-pressure plunger variable pump (2) is connected with a mouthfuls of high pressure tubular filter assemblies 1 (202)；High pressure
A mouthfuls, a mouthfuls of mechanical pressure gauge (34), the safety respectively with tubular type check valve 1 (16) of b mouthfuls of tubular filter device assembly 1 (202)
P mouthfuls of valve 1 (6) is connected；T mouthfuls of safety valve 1 (6) is connected with fuel tank assembly (206)；B mouthfuls of tubular type check valve 1 (16) point
A mouthfuls, a mouthfuls of three-way cut-off valve 1 (18) not with digital display pressure sensor 1 (29) is connected；C mouthfuls of three-way cut-off valve 1 (18)
P mouthfuls with servo valve reversal valve (4) is connected；T mouthfuls of servo valve reversal valve (4) is connected with P mouthfuls of direct acting overflow valve 3 (8)；
T mouthfuls of direct acting overflow valve 3 (8) is connected with b mouthfuls of filter 2 (25)；A mouthfuls of filter 2 (25) and fuel tank assembly (206) phase
Connection；A mouthfuls of servo valve reversal valve (4) is connected with T mouthfuls of hand-operated direction valve (5)；B mouthfuls of servo valve reversal valve (4) is respectively
B mouthfuls, a mouthfuls of digital display pressure sensor 4 (32) with double outlet-rod hydraulic cylinders (20) is connected；Y mouthfuls of quilt of servo valve reversal valve (4)
Closure；P mouthfuls of hand-operated direction valve (5) is blocked；A mouthfuls, the plate respectively with plate-type non-return valve 1 (12) of A mouthfuls of hand-operated direction valve (5)
B mouthfuls, a mouthfuls of digital display pressure sensor 2 (30) of formula check valve 4 (15) is connected, a mouthfuls of plate-type non-return valve 5 (12A), it is board-like
B mouthfuls of check valve 8 (15A) is connected；B mouthfuls of plate-type non-return valve 1 (12) respectively with plate-type non-return valve 2 (13) b mouthfuls, direct acting are overflow
P mouthfuls of stream valve 2 (7) is connected；A mouthfuls of plate-type non-return valve 2 (13) is connected with b mouthfuls of plate-type non-return valve 3 (14)；Board-like list
Be connected with T mouthfuls of direct acting overflow valve 2 (7) respectively to a mouthfuls of valve 3 (14), a mouthfuls of plate-type non-return valve 4 (15) be connected；It is board-like
Respectively with plate-type non-return valve 6 (13A) b mouthfuls, a mouthfuls of flowmeter 1 (10) of b mouthfuls of check valve 5 (12A) is connected；It is board-like unidirectional
A mouthfuls of valve 6 (13A) is connected with b mouthfuls of plate-type non-return valve 7 (14A)；A mouthfuls of plate-type non-return valve 7 (14A) respectively with board-like list
It is connected to a mouthfuls of valve 8 (15A), b mouthfuls of flowmeter 1 (10)；B mouthfuls of hand-operated direction valve (5) respectively with plate-type non-return valve 7
B mouthfuls, a mouthfuls of plate-type non-return valve 6 (13A), a mouthfuls of double outlet-rod hydraulic cylinders (20), a of digital display pressure sensor 3 (31) of (14A)
Mouthful, b mouthfuls of plate-type non-return valve 3 (14), a mouthfuls of plate-type non-return valve 2 (13) be connected；Air cleaner (28) is installed in fuel tank
(1) on；Liquid temperature liquid level gauge (35) is on the inwall of fuel tank (1)；Flowmeter 1 (10) changes the flow signal of hydraulic system
Into the tach signal in flowmeter, then by the speed probe 1 (39) on flowmeter 1 (10), by means of data wire 1
(44) speed probe 1 (39) is connected with high-speed data acquisition card 1 (55), then is adopted high-speed data by data wire 2 (56)
Truck 1 (55) is connected with computer 1 (40)；Displacement transducer (21) is mounted and fixed on double rods of double outlet-rod hydraulic cylinders (20)
One end, by data wire 3 (57) connect 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 the hand of three-way cut-off valve 1 (18) is position A is located at, a oil circuits of three-way cut-off valve 1 (18) are connected with b oil circuits；When three
When the logical hand of stop valve 1 (18) is position B is located at, a oil circuits of three-way cut-off valve 1 (18) are connected with c oil circuits；Three-way cut-off valve 1
(18) b oil circuits are blocked by plug 1 (64), if opening plug 1 (64), pumping source component (101) supplies other as independent pumping source
Hydraulic test is used；
When the valve element of servo valve reversal valve (4) is in middle position, P, T, A, B mouthful of servo valve reversal valve (4) is not connected；When watching
When the valve element for taking valve reversal valve (4) is in left position, P mouthfuls of servo valve reversal valve (4) is communicated with B mouthfuls, and T mouthfuls communicates with A mouthfuls；When watching
When the valve element for taking valve reversal valve (4) is in right position, P mouthfuls of servo valve reversal valve (4) is communicated with A mouthfuls, and T mouthfuls communicates with B mouthfuls；Manually
P mouthfuls of reversal valve (5) is blocked；When hand-operated direction valve (5) is in right position, T mouthfuls and hand-operated direction valve of hand-operated direction valve (5)
(5) A mouthfuls is connected；When hand-operated direction valve (5) is in left position, T mouthfuls of hand-operated direction valve (5) with the B of hand-operated direction valve (5)
Mouth is connected；
The function of flowmeter bridge oil piping component (203) is to ensure that hydraulic power transmission medium (70) can only be from a mouthfuls of flowmeter 1 (10)
Flow into, from b mouthfuls of outflow of flowmeter 1 (10)；The function of overflow valve bridge oil piping component (204) is to maintain hydraulic power transmission medium
(70) can only be from P mouthfuls of direct acting overflow valve 2 (7) inflow, from T mouthfuls of outflow of direct acting overflow valve 2 (7)；The unlatching of safety valve 1 (6)
The Opening pressure of pressure is 2~16MPa.
2. a kind of hydraulic system of high-pressure gear flowmeter comprehensive characteristic test device according to claim 1, its feature
It is：Hydraulic power transmission medium (70) is the different hydraulic oil of viscosity coefficient, diesel oil.
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Cited By (2)
| 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 |
| CN110439800A (en) * | 2019-07-26 | 2019-11-12 | 北京精密机电控制设备研究所 | A kind of variable pump swash plate control moment measuring device |
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2016
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Cited By (2)
| 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 |
| CN110439800A (en) * | 2019-07-26 | 2019-11-12 | 北京精密机电控制设备研究所 | A kind of variable pump swash plate control moment measuring device |
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