CN204553363U - A kind of hydraulic system of flexible member vibration experiment table - Google Patents
A kind of hydraulic system of flexible member vibration experiment table Download PDFInfo
- Publication number
- CN204553363U CN204553363U CN201520245610.8U CN201520245610U CN204553363U CN 204553363 U CN204553363 U CN 204553363U CN 201520245610 U CN201520245610 U CN 201520245610U CN 204553363 U CN204553363 U CN 204553363U
- Authority
- CN
- China
- Prior art keywords
- hydraulic system
- hydraulic
- valve
- fluid port
- way
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a kind of hydraulic system of flexible member vibration experiment table, this system comprises power source hydraulic system, stretching hydraulic system, two push hydraulic system and reverse hydraulic system, with stretching hydraulic system while of power source hydraulic system, two push hydraulic system and are connected with torsion hydraulic system, stretching hydraulic system is connected with the tension load device 101 of Laboratory Furniture, one of them pushes hydraulic system and is connected with the swing load device 140 of Laboratory Furniture, another pushes hydraulic system and is connected with the load device 180 that swings of Laboratory Furniture, reverse hydraulic system to be connected with the torsional load device 220 of Laboratory Furniture.By power source hydraulic system drive respectively stretching hydraulic system, two push hydraulic system, reverse hydraulic systems and work alone, realize the pushing away of experimental subjects, draw, turn round function, the control combined by electric liquid, reach higher control accuracy.Be easy to prevent overload, safety coefficient is high simultaneously.
Description
Technical field
The utility model relates to a kind of hydraulic system of flexible member vibration experiment table, especially on Laboratory Furniture, can realize the hydraulic system pushing away, draw, turn round function to experimental subjects.
Background technique
There are various project in a lot of colleges and universities, company and factory now, and a lot of project is often based on experiment, if doing in the process of testing the action request that will push away experimental subjects, draw, turn round, just needing corresponding experimental facilities to realize the function of being correlated with.A lot of experimental facilities often only has a kind of function, realize corresponding function must on multiple equipment passes, seem very loaded down with trivial details, but also the same time can not complete multiple action request.The hydraulic system of flexible member vibration experiment table then compensate for above-mentioned defect, not only meets the size requirements of power, and can also carry out several action request simultaneously.By the control that electric liquid combines, the requirement of stroke, speed, time controling can be realized, substantially increase control accuracy.Meanwhile, the interchangeability of hydraulic system itself is also very strong, for different test parameters, only needs the element changing hydraulic system just can realize corresponding function.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of hydraulic system of flexible member vibration experiment table, can realize the function of drawing, pushing away, turning round, and various function does not interfere with each other, and can complete various motion requirement simultaneously.
In order to realize above-mentioned technical characteristics, the technical characteristics that the utility model adopts is: a kind of hydraulic system of flexible member vibration experiment table, this system comprises power source hydraulic system, stretching hydraulic system, two push hydraulic system and reverse hydraulic system, with stretching hydraulic system while of power source hydraulic system, two push hydraulic system and are connected with torsion hydraulic system, stretching hydraulic system is connected with the tension load device of Laboratory Furniture, one of them pushes hydraulic system and is connected with the swing load device of Laboratory Furniture, another pushes hydraulic system and is connected with the load device that swings of Laboratory Furniture, reverse hydraulic system to be connected with the torsional load device of Laboratory Furniture.
Described power source hydraulic system comprises single acting vane pump, filter, electromagnetic relief valve and one-way valve, single acting vane pump is by motoring, its inlet port is connected with the oil outlet of filter, and oil outlet is connected with the filler opening of electromagnetic relief valve with the filler opening of one-way valve simultaneously.
Described stretching hydraulic system comprises bi-bit bi-pass solenoid directional control valve, type pilot ratio electromagnetic type overflow reduction valve, pressure relay, one-way throttle valve, accumulator, three-position four-way electromagnetic directional valve, single-rod cylinder and pressure maintaining valve, the P hydraulic fluid port of bi-bit bi-pass solenoid directional control valve is connected with the oil outlet of one-way valve, A hydraulic fluid port is connected with the filler opening of type pilot ratio electromagnetic type overflow reduction valve, the oil outlet of type pilot ratio electromagnetic type overflow reduction valve simultaneously and pressure relay, the filler opening of one-way throttle valve is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve, the oil outlet of one-way throttle valve is connected with accumulator, the A hydraulic fluid port of three-position four-way electromagnetic directional valve is connected with the rod chamber of single-rod cylinder, rodless cavity is connected with B hydraulic fluid port, T hydraulic fluid port is connected with the filler opening of pressure maintaining valve, the oil outlet of pressure maintaining valve is connected with fuel tank.
Described two propelling movement hydraulic systems comprise solenoid-operated proportional series flow control valve, pressure relay, three-position four-way electromagnetic directional valve, hydraulic lock and dual-rod hydraulic cylinder, the filler opening of solenoid-operated proportional series flow control valve is connected with the oil outlet of one-way valve, oil outlet is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve with pressure relay simultaneously, A hydraulic fluid port is connected with the E hydraulic fluid port of hydraulic lock, the F hydraulic fluid port of hydraulic lock is connected with the rod chamber of dual-rod hydraulic cylinder, the M hydraulic fluid port of hydraulic lock is connected with the another one rod chamber of dual-rod hydraulic cylinder, the N hydraulic fluid port of hydraulic lock is connected with three-position four-way electromagnetic directional valve B hydraulic fluid port, T hydraulic fluid port takes back fuel tank.
Described torsion hydraulic system comprises type pilot ratio electromagnetic type overflow reduction valve, three-position four-way electromagnetic directional valve, one-way speed-regulating valve and oscillating motor, the filler opening of type pilot ratio electromagnetic type overflow reduction valve is connected with the oil outlet of one-way valve, oil outlet is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve, A hydraulic fluid port is connected with the E hydraulic fluid port of one of them one-way speed-regulating valve, the F hydraulic fluid port of one-way speed-regulating valve is connected with the filler opening of oscillating motor, the oil outlet of oscillating motor is connected with the M hydraulic fluid port of another one one-way speed-regulating valve, the N hydraulic fluid port of one-way speed-regulating valve is connected with the B hydraulic fluid port of three-position four-way electromagnetic directional valve, T hydraulic fluid port takes back fuel tank.
Described hydraulic lock is made up of two Pilot operated check valves, and described three-position four-way electromagnetic directional valve 13,17 is H type three-position four-way electromagnetic directional valve.
Described power source hydraulic system, stretching hydraulic system, two push hydraulic system, reverse in hydraulic system between element and be all connected by hydraulic oil pipe between system.
Described three-position four-way electromagnetic directional valve 9 is O type three-position four-way electromagnetic directional valve.
Described three-position four-way electromagnetic directional valve 21 is O type three-position four-way electromagnetic directional valve.
Described power source hydraulic system can provide power for stretching hydraulic system, two propelling movement hydraulic systems and torsion hydraulic system.
Described stretching hydraulic system drives single-rod cylinder to provide power for tension load device, makes flexible member bear tension load.
Described two propelling movement hydraulic systems drive dual-rod hydraulic cylinder respectively, for swing load device and the load device that swings provide power, make flexible member bear swing load and the load that swings.
Described torsion hydraulic system drives oscillating motor to provide torsional load for torsional load device, makes flexible member bear torsional load.
The utility model has following beneficial effect:
Hydraulic system of the present utility model and vibration experiment table are used in combination, can be studied in the performance of bearing under the load working condition conditions such as stretching, swing, torsion and mechanism flexible member by the mode of test, the performance of subjects better can be grasped, for practice provides theoretical foundation by the test data obtained.
Wherein, power source hydraulic system can provide power for stretching hydraulic system, two propelling movement hydraulic systems and torsion hydraulic system; Stretching hydraulic system is connected with the tension load device of Laboratory Furniture, by driving single-rod cylinder for flexible member provides tension load; One of them pushes hydraulic system and is connected with the swing load device of Laboratory Furniture, by driving dual-rod hydraulic cylinder to drive flexible member to realize its swing, and then loads swing load for it; Another pushes hydraulic system and is connected with the load device that swings of Laboratory Furniture, drives flexible member to realize it and swings, and then load for it load that swings by driving dual-rod hydraulic cylinder; Reverse hydraulic system to be connected with torsional load device, drive flexible member to realize it by driving oscillating motor and reverse, and then load torsional load for it.There is provided the simulation load test of combined type by the comprehensive function of above-mentioned hydraulic system for vibration experiment table, analysis of experiments is carried out to flexible member, gather relevant test data after test for further research and theoretical foundation is provided.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model flexible member vibration experiment table hydraulic system.
Fig. 2 is structural representation and the oil cylinder position layout plan of flexible member vibration experiment table of the present utility model.
In figure: single-acting blade variable displacement pump 1, electromagnetic relief valve 2, one-way valve 3, bi-bit bi-pass solenoid directional control valve 4, type pilot ratio electromagnetic type overflow reduction valve 5, 20, pressure relay 6, 12, 16, one-way throttle valve 7, accumulator 8, three-position four-way electromagnetic directional valve 9, 21, single-rod cylinder 10, pressure maintaining valve 11, solenoid-operated proportional series flow control valve 15, 19, three-position four-way electromagnetic directional valve 13, 17, oscillating motor 22, filter 23, hydraulic lock 24, 25, dual-rod hydraulic cylinder 14, 18, one-way speed-regulating valve 26, 27, fuel tank 28, flexible member 29, tension load device 101, swing load device 140, swing load device 180, torsional load device 220.
Embodiment
Below in conjunction with accompanying drawing, mode of execution of the present utility model is described further.
See Fig. 1-2, a kind of hydraulic system of flexible member vibration experiment table, this system comprises power source hydraulic system, stretching hydraulic system, two push hydraulic system and reverse hydraulic system, with stretching hydraulic system while of power source hydraulic system, two push hydraulic system and are connected with torsion hydraulic system, stretching hydraulic system is connected with the tension load device 101 of Laboratory Furniture, one of them pushes hydraulic system and is connected with the swing load device 140 of Laboratory Furniture, another pushes hydraulic system and is connected with the load device 180 that swings of Laboratory Furniture, reverse hydraulic system to be connected with the torsional load device 220 of Laboratory Furniture.
Further, described power source hydraulic system comprises single acting vane pump 1, filter 23, electromagnetic relief valve 2 and one-way valve 3, single acting vane pump 1 is by motoring, its inlet port is connected with the oil outlet of filter 23, and oil outlet is connected with the filler opening of electromagnetic relief valve 2 with the filler opening of one-way valve 3 simultaneously.
Further, described stretching hydraulic system comprises bi-bit bi-pass solenoid directional control valve 4, type pilot ratio electromagnetic type overflow reduction valve 5, pressure relay 6, one-way throttle valve 7, accumulator 8, three-position four-way electromagnetic directional valve 9, single-rod cylinder 10 and pressure maintaining valve 11, the P hydraulic fluid port of bi-bit bi-pass solenoid directional control valve 4 is connected with the oil outlet of one-way valve 3, A hydraulic fluid port is connected with the filler opening of type pilot ratio electromagnetic type overflow reduction valve 5, the oil outlet of type pilot ratio electromagnetic type overflow reduction valve 5 simultaneously with pressure relay 6, the filler opening of one-way throttle valve 7 is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve 9, the oil outlet of one-way throttle valve 7 is connected with accumulator 8, the A hydraulic fluid port of three-position four-way electromagnetic directional valve 9 is connected with the rod chamber of single-rod cylinder 10, rodless cavity is connected with B hydraulic fluid port, T hydraulic fluid port is connected with the filler opening of pressure maintaining valve 11, the oil outlet of pressure maintaining valve 11 is connected with fuel tank 28.
Further, described two propelling movement hydraulic systems comprise solenoid-operated proportional series flow control valve 15, 19, pressure relay 12, 16, three-position four-way electromagnetic directional valve 13, 17, hydraulic lock 24, 25 and dual-rod hydraulic cylinder 14, 18, solenoid-operated proportional series flow control valve 15, the filler opening of 19 is connected with the oil outlet of one-way valve 3, with pressure relay 12 while of oil outlet, 16 and three-position four-way electromagnetic directional valve 13, the P hydraulic fluid port of 17 is connected, A hydraulic fluid port and hydraulic lock 24, the E hydraulic fluid port of 25 is connected, hydraulic lock 24, the F hydraulic fluid port of 25 and dual-rod hydraulic cylinder 14, the rod chamber of 18 is connected, hydraulic lock 24, the M hydraulic fluid port of 25 and dual-rod hydraulic cylinder 14, the another one rod chamber of 18 is connected, hydraulic lock 24, the N hydraulic fluid port of 25 and three-position four-way electromagnetic directional valve 13, 17B hydraulic fluid port is connected, T hydraulic fluid port takes back fuel tank 28.
Further, described torsion hydraulic system comprises type pilot ratio electromagnetic type overflow reduction valve 20, three-position four-way electromagnetic directional valve 21, one-way speed-regulating valve 26, 27 and oscillating motor 22, the filler opening of type pilot ratio electromagnetic type overflow reduction valve 20 is connected with the oil outlet of one-way valve 3, oil outlet is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve 21, A hydraulic fluid port is connected with the E hydraulic fluid port of one of them one-way speed-regulating valve 26, the F hydraulic fluid port of one-way speed-regulating valve 26 is connected with the filler opening of oscillating motor 22, the oil outlet of oscillating motor 22 is connected with the M hydraulic fluid port of another one one-way speed-regulating valve 27, the N hydraulic fluid port of one-way speed-regulating valve 27 is connected with the B hydraulic fluid port of three-position four-way electromagnetic directional valve 21, T hydraulic fluid port takes back fuel tank 28.
Further, described hydraulic lock 24,25 is made up of two Pilot operated check valves, and described three-position four-way electromagnetic directional valve 13,17 is H type three-position four-way electromagnetic directional valve.
Further, described power source hydraulic system, stretching hydraulic system, two push hydraulic system, reverse in hydraulic system between element and be all connected by hydraulic oil pipe between system.
Further, described three-position four-way electromagnetic directional valve 9 is O type three-position four-way electromagnetic directional valve.
Further, described three-position four-way electromagnetic directional valve 21 is O type three-position four-way electromagnetic directional valve.
Further, described power source hydraulic system can provide power for stretching hydraulic system, two propelling movement hydraulic systems and torsion hydraulic system.
See Fig. 2, further, described stretching hydraulic system drives single-rod cylinder 10 to provide power for tension load device 101, makes flexible member 29 bear tension load.
Further, described two propelling movement hydraulic systems drive dual-rod hydraulic cylinder 14,18 respectively, for swing load device 140 and the load device 180 that swings provide power, make flexible member 29 bear swing load and the load that swings.
Further, described torsion hydraulic system drives oscillating motor 22 to provide torsional load for torsional load device 220, makes flexible member 29 bear torsional load.
Be described below in conjunction with the concrete action of accompanying drawing to each system:
Stretching hydraulic system: the pressure oil of single acting vane pump 1 arrives single-rod cylinder 10 by one-way valve 3, bi-bit bi-pass solenoid directional control valve 4, type pilot ratio electromagnetic type overflow reduction valve 5 and three-position four-way electromagnetic directional valve 9, single-rod cylinder 10 works and then stretches flexible member 29, tension load is applied to it, when pressure reaches the setting pressure of pressure relay 6, bi-bit bi-pass solenoid directional control valve 4 obtains electric, pressurize is carried out by accumulator 8, complete pressurize action, provide tension load by stretching hydraulic system.
Fore-aft loads pushes hydraulic system: the pressure oil of single acting vane pump 1 arrives dual-rod hydraulic cylinder 14 by one-way valve 3, solenoid-operated proportional series flow control valve 15, three-position four-way electromagnetic directional valve 13 and hydraulic lock 24, dual-rod hydraulic cylinder 14 works, flexible member 29 is bent, after buting iron encountered by swing load device 140, the pressure of hydraulic oil raises, after pressure reaches the setting pressure of pressure relay 12, three-position four-way electromagnetic directional valve 13 obtains electric, swing load device 140 is moved in the opposite direction, moves and so forth.If need to carry out pressurize, the pressure setting of pressure relay 12 can be adjusted, after buting iron encountered by swing load device 140, the pressure of hydraulic oil raises, reach the pressure requirements of now pressure relay 12, three-position four-way electromagnetic directional valve 13 dead electricity, carries out pressurize by hydraulic lock.
Left and right load pushes hydraulic system: the pressure oil of single acting vane pump 1 arrives dual-rod hydraulic cylinder 18 by one-way valve 3, solenoid-operated proportional series flow control valve 19, three-position four-way electromagnetic directional valve 17 and hydraulic lock 25, dual-rod hydraulic cylinder 18 works, flexible member 29 is bent, after buting iron encountered by the load device 180 that swings, the pressure of hydraulic oil raises, after pressure reaches the setting pressure of pressure relay 16, three-position four-way electromagnetic directional valve 17 obtains electric, the load device 180 that makes to swing moves in the opposite direction, moves and so forth.If need to carry out pressurize, the pressure setting of pressure relay 16 can be adjusted, after buting iron encountered by swing load device 180, the pressure of hydraulic oil raises, reach the pressure requirements of now pressure relay 16, three-position four-way electromagnetic directional valve 17 dead electricity, carries out pressurize by hydraulic lock, push hydraulic system by above-mentioned two and left and right and swing load are provided, make rod member produce bending deflection.
Reverse hydraulic system: the pressure oil of single acting vane pump 1 is by one-way valve 3, type pilot ratio electromagnetic type overflow reduction valve 20, three-position four-way electromagnetic directional valve 21 and one-way speed-regulating valve 26,27 arrive oscillating motor 22, oscillating motor 22 works, torsional flexibility rod member 29, after the angle swung reaches the angle of angle transducer setting, three-position four-way electromagnetic directional valve 21 obtains electric, oscillating motor 22 is rotated in the opposite direction, move and so forth, thus provide torsional load to flexible member 29.
By reference to the accompanying drawings mode of execution of the present utility model is explained in detail, but the utility model is not limited to above-mentioned mode of execution.Technician all without prejudice to innovative point of the present utility model and operating procedure, in claims, can modify to above-described embodiment.Protection domain of the present utility model, should cover as claims of the present utility model.
Device specific works principle of the present utility model is:
Power source hydraulic system is stretching hydraulic system, two push hydraulic systems and reverse hydraulic system power is provided; Stretching hydraulic system is connected with the tension load device 101 of Laboratory Furniture, by driving single-rod cylinder 10 for flexible member 29 provides tension load.
One of them pushes hydraulic system and is connected with the swing load device 140 of Laboratory Furniture, by driving dual-rod hydraulic cylinder 14 to drive flexible member 29 to realize its swing, and then loading swing power for it, making it bear certain flexural load.
Another pushes hydraulic system and is connected with the load device 180 that swings of Laboratory Furniture, drives flexible member 29 to realize it swing by driving dual-rod hydraulic cylinder 18, and then loads for it load that swings, and makes it bear certain flexural load.
Reverse hydraulic system to be connected with torsional load device 220, drive flexible member 29 to realize it by driving oscillating motor 22 and reverse, and then load torsional load for it.
There is provided the simulation load test of combined type by the comprehensive function of above-mentioned hydraulic system for vibration experiment table, analysis of experiments is carried out to flexible member 29, gather relevant test data after test for further research and theoretical foundation is provided.
Above-mentioned load can load separately also can Combined Loading, thus dynamic load twisting test is carried out to flexible member 29, after this testing machine completes test, observe the microstructure of damage field under the damage location of flexible member, degree of injury, ESEM and carry out other Mechanics Performance Testing, evaluation can be made better to the mechanical characteristic of flexible member 29, its mechanical property and life-span are made and better evaluates and prediction, substantially increase the insolation level of flexible member.
Advantage of the present utility model:
1, very large power can be exported, meet the requirement of experiment parameter.
2, be easy to prevent overload, safety coefficient is high.
3, electric liquid combines and controls, and compare simple Mechanical course, control accuracy is high.
4, this hydraulic system can meet the requirement of multi-motion simultaneously, compared to unifunctional mechanical system, has obvious advantage.
5, hydraulic system element replacement, connect all very convenient.
6, the position reasonable placement of this test stand for mechanism and the appropriate design of mechanism arrangement, flexible member can be realized and stretching, reverse and bending the motion under three power synergy, and motion mutual noninterference, can separate to load separately and also can join together to load by many kinds of force, evaluation can be made to the mechanical characteristic of flexible member better, its mechanical property and life-span be made and better evaluates and prediction.
Claims (10)
1. the hydraulic system of a flexible member vibration experiment table, it is characterized in that: this system comprises power source hydraulic system, stretching hydraulic system, two push hydraulic system and reverse hydraulic system, with stretching hydraulic system while of power source hydraulic system, two push hydraulic system and are connected with torsion hydraulic system, stretching hydraulic system is connected with the tension load device (101) of Laboratory Furniture, one of them pushes hydraulic system and is connected with the swing load device (140) of Laboratory Furniture, another pushes hydraulic system and is connected with the load device that swings (180) of Laboratory Furniture, reverse hydraulic system to be connected with the torsional load device (220) of Laboratory Furniture.
2. the hydraulic system of a kind of flexible member vibration experiment table according to claim 1, it is characterized in that: described power source hydraulic system comprises single acting vane pump (1), filter (23), electromagnetic relief valve (2) and one-way valve (3), single acting vane pump (1) is by motoring, its inlet port is connected with the oil outlet of filter (23), and oil outlet is connected with the filler opening of electromagnetic relief valve (2) with the filler opening of one-way valve (3) simultaneously.
3. the hydraulic system of a kind of flexible member vibration experiment table according to claim 1, it is characterized in that: described stretching hydraulic system comprises bi-bit bi-pass solenoid directional control valve (4), type pilot ratio electromagnetic type overflow reduction valve (5), pressure relay (6), one-way throttle valve (7), accumulator (8), three-position four-way electromagnetic directional valve (9), single-rod cylinder (10) and pressure maintaining valve (11), the P hydraulic fluid port of bi-bit bi-pass solenoid directional control valve (4) is connected with the oil outlet of one-way valve (3), A hydraulic fluid port is connected with the filler opening of type pilot ratio electromagnetic type overflow reduction valve (5), the oil outlet of type pilot ratio electromagnetic type overflow reduction valve (5) simultaneously with pressure relay (6), the filler opening of one-way throttle valve (7) is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve (9), the oil outlet of one-way throttle valve (7) is connected with accumulator (8), the A hydraulic fluid port of three-position four-way electromagnetic directional valve (9) is connected with the rod chamber of single-rod cylinder (10), rodless cavity is connected with B hydraulic fluid port, T hydraulic fluid port is connected with the filler opening of pressure maintaining valve (11), the oil outlet of pressure maintaining valve (11) is connected with fuel tank (28).
4. the hydraulic system of a kind of flexible member vibration experiment table according to claim 1, it is characterized in that: described two propelling movement hydraulic systems comprise solenoid-operated proportional series flow control valve (15, 19), pressure relay (12, 16), three-position four-way electromagnetic directional valve (13, 17), hydraulic lock (24, 25) and dual-rod hydraulic cylinder (14, 18), solenoid-operated proportional series flow control valve (15, 19) filler opening is connected with the oil outlet of one-way valve (3), with pressure relay (12 while of oil outlet, 16) and three-position four-way electromagnetic directional valve (13, 17) P hydraulic fluid port is connected, A hydraulic fluid port and hydraulic lock (24, 25) E hydraulic fluid port is connected, hydraulic lock (24, 25) F hydraulic fluid port and dual-rod hydraulic cylinder (14, 18) rod chamber is connected, hydraulic lock (24, 25) M hydraulic fluid port and dual-rod hydraulic cylinder (14, 18) another one rod chamber is connected, hydraulic lock (24, 25) N hydraulic fluid port and three-position four-way electromagnetic directional valve (13, 17) B hydraulic fluid port is connected, T hydraulic fluid port takes back fuel tank (28).
5. the hydraulic system of a kind of flexible member vibration experiment table according to claim 1, it is characterized in that: described torsion hydraulic system comprises type pilot ratio electromagnetic type overflow reduction valve (20), three-position four-way electromagnetic directional valve (21), one-way speed-regulating valve (26, 27) and oscillating motor (22), the filler opening of type pilot ratio electromagnetic type overflow reduction valve (20) is connected with the oil outlet of one-way valve (3), oil outlet is connected with the P hydraulic fluid port of three-position four-way electromagnetic directional valve (21), A hydraulic fluid port is connected with the E hydraulic fluid port of one of them one-way speed-regulating valve (26), the F hydraulic fluid port of one-way speed-regulating valve (26) is connected with the filler opening of oscillating motor (22), the oil outlet of oscillating motor (22) is connected with the M hydraulic fluid port of another one one-way speed-regulating valve (27), the N hydraulic fluid port of one-way speed-regulating valve (27) is connected with the B hydraulic fluid port of three-position four-way electromagnetic directional valve (21), T hydraulic fluid port takes back fuel tank (28).
6. the hydraulic system of a kind of flexible member vibration experiment table according to claim 4, it is characterized in that: described hydraulic lock (24,25) be made up of two Pilot operated check valves, described three-position four-way electromagnetic directional valve (13,17) is H type three-position four-way electromagnetic directional valve.
7. the hydraulic system of a kind of flexible member vibration experiment table according to claim 1, is characterized in that: described power source hydraulic system, stretching hydraulic system, two push hydraulic system, reverse in hydraulic system between element and be all connected by hydraulic oil pipe between system.
8. the hydraulic system of a kind of flexible member vibration experiment table according to claim 3, is characterized in that: described three-position four-way electromagnetic directional valve (9) is O type three-position four-way electromagnetic directional valve.
9. the hydraulic system of a kind of flexible member vibration experiment table according to claim 5, is characterized in that: described three-position four-way electromagnetic directional valve (21) is O type three-position four-way electromagnetic directional valve.
10. the hydraulic system of a kind of flexible member vibration experiment table according to claim 1, is characterized in that: described power source hydraulic system can provide power for stretching hydraulic system, two propelling movement hydraulic systems and torsion hydraulic system;
Described stretching hydraulic system drives single-rod cylinder (10) to provide power for tension load device (101), makes flexible member (29) bear tension load;
Described two propelling movement hydraulic systems drive dual-rod hydraulic cylinder (14,18) respectively, for swing load device (140) and the load device that swings (180) provide power, make flexible member (29) bear swing load and the load that swings;
Described torsion hydraulic system drives oscillating motor (22) to provide torsional load for torsional load device (220), makes flexible member (29) bear torsional load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245610.8U CN204553363U (en) | 2015-04-22 | 2015-04-22 | A kind of hydraulic system of flexible member vibration experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245610.8U CN204553363U (en) | 2015-04-22 | 2015-04-22 | A kind of hydraulic system of flexible member vibration experiment table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553363U true CN204553363U (en) | 2015-08-12 |
Family
ID=53828483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520245610.8U Expired - Fee Related CN204553363U (en) | 2015-04-22 | 2015-04-22 | A kind of hydraulic system of flexible member vibration experiment table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776066A (en) * | 2015-04-22 | 2015-07-15 | 三峡大学 | Hydraulic system of flexible rod vibration test bench |
| CN108194436A (en) * | 2017-12-27 | 2018-06-22 | 沪东重机有限公司 | High-power diesel engine cylinder cap air valve assembling clamps overturning system with hydraulic control |
-
2015
- 2015-04-22 CN CN201520245610.8U patent/CN204553363U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776066A (en) * | 2015-04-22 | 2015-07-15 | 三峡大学 | Hydraulic system of flexible rod vibration test bench |
| CN104776066B (en) * | 2015-04-22 | 2016-09-07 | 三峡大学 | A kind of hydraulic system of flexible member vibration experiment table |
| CN108194436A (en) * | 2017-12-27 | 2018-06-22 | 沪东重机有限公司 | High-power diesel engine cylinder cap air valve assembling clamps overturning system with hydraulic control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104776066B (en) | A kind of hydraulic system of flexible member vibration experiment table | |
| CN101672747B (en) | Hydraulic hose performance test experiment table | |
| CN204716480U (en) | Oblique tray type axial plunger piston variable pump | |
| CN204553363U (en) | A kind of hydraulic system of flexible member vibration experiment table | |
| CN103148032A (en) | Alternating-loading hydraulic system | |
| BUSQUETS et al. | A Multi-Actuator Displacement-Controlled System with Pump Switching–A Study of the Architecture and Actuator-Level Control | |
| CN102619812A (en) | Test stand for self-adaptive power recovering of hydraulic pump | |
| Hagen et al. | Study of a self-contained electro-hydraulic cylinder drive | |
| CN105134573A (en) | Plunger piston combined type digital variable pump | |
| CN202545421U (en) | Self-adaptive power recovery testing table for hydraulic pump | |
| CN203879827U (en) | Servo drive hydraulic system | |
| Busquets et al. | The world's first displacement controlled excavator prototype with pump switching-A study of the architecture and control | |
| CN103867528A (en) | Integral hydraulic test table | |
| CN103148033B (en) | A kind of Study of Cyclic Loading hydraulic system | |
| Roemer et al. | Analysis of valve requirements for high-efficiency digital displacement fluid power motors | |
| CN203083884U (en) | Reliability test device for hydraulic hose assembly | |
| CN204942155U (en) | A kind of mechanical handling formula multiple directional control valve reliability test bench | |
| CN203809417U (en) | Multifunctional hydraulic test device | |
| CN102900730A (en) | Test experiment system for revolving speed and pressure property of hydraulic transformer | |
| CN206666028U (en) | A kind of hydraulic-driven lowering or hoisting gear of full-automatic net puller | |
| Aranovskiy et al. | Position control of an industrial hydraulic system with a pressure compensator | |
| CN108716497A (en) | A kind of tilting oil cylinder of fork duty testing device | |
| CN209228801U (en) | A kind of hydraulic system and farm machinery | |
| CN209012512U (en) | A kind of large size ball valve aperture accuracy-control system | |
| CN204265320U (en) | A kind of hoisting crane fixing stepless luffing control system of auxiliary and hoisting crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |