Angle of rake hydraulic test system
Technical field
The present invention relates to a kind of hydraulic test system, particularly a kind of angle of rake hydraulic test system that is used to test propeller performance.
Background technology
The thruster of boats and ships etc. is one of very important equipment, and the quality of propeller performance directly has influence on its normal operation, and original thruster all needs angle of rake performance is done some tests when dispatching from the factory or overhaul.But existing testing apparatus all can't well be finished thruster angle of rake Performance Characteristics test when the no-load running state and during load condition.Need testing apparatus can simulate angle of rake no-load running situation and load running situation preferably because finish these test events, in time find the problem that thruster may take place in real work.
Summary of the invention
In order to overcome above-mentioned deficiency, the invention provides a kind of angle of rake hydraulic test system that is used to test propeller performance.
The technical solution used in the present invention is: a kind of angle of rake hydraulic test system, comprise the load testing frame, the operation testing jig, the load testing Hydraulic Station, operation testing hydraulic station, loop test Hydraulic Station and data tester, the thruster that moves test is installed on the operation testing jig, installation and operation testing hydraulic motor on angle of rake power intake, has the operation test oil circuit that drives operation testing hydraulic motor operations in the operation testing hydraulic station, have the loop test oil circuit of the lubricating oil of the gear case supply constant temperature cleaning in thruster in the loop test Hydraulic Station, data tester is gathered angle of rake gear case angle of rake input end when dry running, middle-end, the oil-feed of the lubricating oil of the temperature variation of output terminal and lubricating oil oil inlet end and different rotating speeds lower tooth roller box and fuel-displaced pressure reduction change;
The thruster that carries out load testing is installed on the load testing frame, at angle of rake power intake initiatively oil motor is installed, the load oil motor of fictitious load is installed at angle of rake clutch end, have the load testing oil circuit that drives active oil motor and the work of load oil motor in the load testing Hydraulic Station, data tester is captured in rotating speed, the input torque of thruster input end under the different loads situation and initiatively the oil-feed and the fuel-displaced pressure reduction of oil motor change.
Further specifically describe, data tester is gathered the temperature variation at angle of rake gear case these positions when the dry running by the temperature transmitter that is arranged on the angle of rake output terminal, middle-end and the input end that move test and lubricating oil oil inlet end, gather the oil-feed of gear case lubricating oil when the dry running and fuel-displaced pressure reduction changes by the pressure unit that is arranged on angle of rake lubricating oil oil inlet end and oil outlet end, gather the input end rotating speed by the speed probe that is arranged on the thruster power intake; When carrying out load testing, torque sensor and speed pickup rotating speed and the input torque of gathering input end of data tester by being arranged on the angle of rake input end that carries out load testing, the oil inlet end by being arranged on oil motor initiatively and the pressure transmission device collection of oil outlet end be the oil-feed and the fuel-displaced pressure reduction of oil motor initiatively.
Because the time that angle of rake operation test needs is longer, in order reasonably to arrange test event, the operation testing jig is provided with two, load testing sets up and is equipped with one, the operation test oil circuit that is provided with in the operation testing hydraulic station is corresponding two covers, and the loop test oil circuit of setting also should have two covers mutually in the loop test Hydraulic Station.
Further, single loop test oil circuit in the loop test Hydraulic Station comprises the constant temperature fuel tank, ebullator, loop test operation valve group, Pneumatic valve, the test oil feed line, the fuel tank inlet line, on-the-spot inlet line and drain line, the inlet port of ebullator passes through the fuel tank inlet line from the oil suction of constant temperature fuel tank, the oil-out of ebullator is connected with loop test operation valve group, loop test operation valve group respectively with the test oil feed line, the drain line of ebullator connects, drain line is connected with the constant temperature fuel tank, connect by on-the-spot inlet line between the inlet port of test oil feed line and ebullator, Pneumatic valve is arranged in fuel tank inlet line and the on-the-spot inlet line.
In order to guarantee the cleaning of oil product output, in fuel tank inlet line and test oil feed line, lubricating oil filter is set, the lubricating oil filter that is provided with in the test oil feed line is double-cylinder type filtrator and magnetic filter.
Further, single cover operation test oil circuit in the operation testing hydraulic station is a closed circuit, comprise process pump, operation test operation valve group, operation test oil feed line and repairing pipeline and slippage pump, pass through operation test oil feed line between process pump, operation test operation valve group and the operation testing hydraulic motor and connect, slippage pump is tested the oil feed line repairing by the repairing pipeline to operation.
Process pump is a ram pump, because process pump need work long hours, breaks down in order to prevent the overheated process pump that causes of process pump, and slippage pump also provides cold oil to process pump in repairing.
Further, load testing oil circuit in the load testing Hydraulic Station comprises active efflux, load pump, active efflux operation valve group, load pump operation valve group, active oil motor oil feed line and load oil motor oil feed line, connects by active oil motor oil feed line between active efflux, active efflux operation valve group and the active oil motor; Connect by load oil motor oil feed line between load pump, load pump operation valve group and the load oil motor, in active efflux operation valve group, have ratio and regulate the ratio combination valve of charge oil pressure and flow, have the proportional pressure control valve of setting up load pressure in the load pump operation valve group.
The invention has the beneficial effects as follows: this test macro can be simulated angle of rake no-load running situation and load running situation well, and angle of rake power input and suffered loading condition can be regulated easily, make thruster obtain complete work test, the q﹠r of product also can be effectively guaranteed.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a Hydraulic Station distributed architecture synoptic diagram of the present invention.
Fig. 2 is an operation test synoptic diagram of the present invention.
Fig. 3 is a load testing synoptic diagram of the present invention.
Fig. 4 is the hydraulic schematic diagram of loop station of the present invention.
Fig. 5 is the hydraulic schematic diagram at operation of the present invention station.
Fig. 6 is the hydraulic schematic diagram at load of the present invention station.
Fig. 7 is a structured flowchart of the present invention
Among the figure: 1. load testing Hydraulic Station, 2. operation testing hydraulic station, 3. loop test Hydraulic Station, 4. data tester, 5. thruster, 6. operation testing hydraulic motor, 7, refrigeratory, 8. active oil motor, 9. load oil motor, 10. torque sensor, 11. ebullators, 12, loop test operation valve group, 13. Pneumatic valve, 14. lubricating oil filters, 15. process pumps, 16. slippage pump, 17. active effluxs, 18. load pumps, 19. the ratio combination valve, 20. proportional pressure control valves, 21. commutation pioneer pumps, 23. operation test operation valve group, 24. active efflux operation valve groups, 25. load pump operation valve groups, 26, the load testing frame, 27, the operation testing jig, a. goes out oil pressure, b. input end rotating speed, c. input end temperature, d. middle-end temperature, e. output terminal temperature, f. inlet oil temperature, g. input pressure, the h. input pressure, i. goes out oil pressure, j. load testing input end rotating speed, the k. input torque.
Embodiment
As Fig. 1, shown in 2 and 7, a kind of angle of rake hydraulic test system, comprise load testing frame 26, operation testing jig 27, load testing Hydraulic Station 1, operation testing hydraulic station 2, loop test Hydraulic Station 3 and data tester 4, the thruster 5 that moves test is installed on the operation testing jig 27, installation and operation testing hydraulic motor 6 on the power intake of thruster 5, move to have in the testing hydraulic station 2 to drive and move the operation test oil circuit that testing hydraulic motor 6 is worked, have the loop test oil circuit of the lubricating oil of the gear case supply constant temperature cleaning in tested thruster 5 in the loop test Hydraulic Station 3.The temperature transmitter of input end, middle-end, output terminal and the lubricating oil oil inlet end of data tester 4 by being arranged on tested thruster 5 is gathered the temperature variation of gear case when dry running of thruster 5, these temperature are input end temperature c, middle-end temperature d, output terminal temperature e, inlet oil temperature f.Data tester 4 by being arranged on thruster 5 the lubricating oil oil inlet end and the input pressure g of the pressure unit of oil outlet end gear case lubricating oil when dry running of gathering thruster 5 and the pressure reduction that goes out oil pressure a change.Data tester 4 is gathered input end rotating speed b by the speed probe that is arranged on thruster 5 power intakes.Test the no-load characteristic of thruster 5 by these data.
As Fig. 1, shown in 3 and 7, the tested thruster 5 that carries out load testing is installed on the load testing frame 26, at the power intake of tested thruster 5 initiatively oil motor 8 is installed, the load oil motor 9 of fictitious load is installed at the clutch end of thruster 5, has the load testing oil circuit that drives active oil motor 8 and load oil motor 9 in the load testing Hydraulic Station 1, the torque sensor 10 and the speed pickup of the input end of data tester 4 by being arranged on the thruster 5 that carries out load testing are gathered load testing input end rotating speed j and input torque k, the lubricating oil oil inlet end by being arranged on oil motor 8 initiatively and the pressure transmission device collection of oil outlet end initiatively oil motor 8 input pressure h and go out pressure differential between the oil pressure i.Test the load characteristic of thruster 5 by these data.
Because the time that the operation of thruster 5 test needs is longer, in order reasonably to arrange test event, operation testing jig 27 is provided with two, load testing frame 26 is provided with one, two operation testing jigs 27 can move test simultaneously, the operations test oil circuits that are provided with in the operation testing hydraulic station 2 are corresponding two covers, and the loop test oil circuits that are provided with in the loop test Hydraulic Station 3 also should have two covers mutually.
As shown in Figure 4, loop test Hydraulic Station 3 mainly is responsible for two thrusters 5 that move test simultaneously constant temperature is provided, the lubricating oil product of cleaning, single loop test oil circuit in the loop test Hydraulic Station 3 comprises the constant temperature fuel tank, ebullator 11, loop test operation valve group 12, Pneumatic valve 13, the test oil feed line, the fuel tank inlet line, on-the-spot inlet line and drain line, the inlet port of ebullator 11 passes through the fuel tank inlet line from the oil suction of constant temperature fuel tank, the oil-out of ebullator 11 is connected with loop test operation valve group 12, loop test operation valve group 12 respectively with the test oil feed line, the drain line of ebullator 11 connects, drain line is connected with the constant temperature fuel tank, connect by on-the-spot inlet line between test oil feed line and the oil pump inlet port, in fuel tank inlet line and on-the-spot inlet line, be respectively arranged with Pneumatic valve 13.In order to guarantee the cleaning of oil product output, in fuel tank inlet line and test oil feed line, lubricating oil filter 14 is set, the lubricating oil filter 14 that is provided with in the test oil feed line comprises double-cylinder type filtrator and magnetic filter.
After ebullator 11 startings.Can select the two-way inlet port, the one tunnel is from the oil suction of constant temperature fuel tank, and another road is from the oil suction of operation test site, and two inlet ports make inlet port to supply with inlet port by one the road respectively by two gas control ball valve controls.Power source power is 2.2KW, and ebullator 11 is a cycloid gear pump, makes output oil pressure steady, and as top hole pressure being discharged to inlet port under the ebullator 11 top hole pressure overload situations, protection ebullator 11 is normally operation under the situation of overload.The lubricating oil that ebullator 11 is got arrives loop test operation valve group 12 by a refrigeratory 7, loop test operation valve group 12 has electro-hydraulic reversing valve, the oil that loop test operation valve group 12 responsible ebullators 11 are got is to supply with test site or straight gyrus fuel tank, double barrels type filtrator in removing the on-the-spot oil feed line of test site is to guarantee to supply with on-the-spot oil product particulate cleanliness, magnetic filter is to guarantee that the oil product of supplying with test site does not have metal particle, in control, in the whole constant temperature fuel tank heating collar is housed, when the value of being heated to, stop heating, if the oil temperature of the lubricating oil in removing the test oil feed line of test site surpasses setting value, refrigeratory 7 is work water inlet cooling automatically.
As shown in Figure 5, the operation testing hydraulic station 2 main driving operation testing hydraulic motors 6 of being responsible for rotate.Single cover operation test oil circuit in the operation testing hydraulic station 2 is a closed circuit, comprise process pump 15, operation test operation valve group 23, operation test oil feed line and repairing pipeline and slippage pump 16, pass through operation test oil feed line between process pump 15, operation test operation valve group 23 and the operation testing hydraulic motor 6 and connect, slippage pump 16 is tested the oil feed line repairing by the repairing pipeline to operation.Process pump 15 is a ram pump, because process pump 15 need work long hours, breaks down in order to prevent the process pump 15 overheated process pumps 15 that cause, and slippage pump 16 also provides cold oil to process pump 15 in repairing.
As shown in Figure 6, load testing oil circuit in the load testing Hydraulic Station 1 comprises active efflux 17, load pump 18, active efflux operation valve group 24, load pump operation valve group 25, active oil motor oil feed line and load oil motor oil feed line, connects by active oil motor oil feed line between active efflux 17, active efflux operation valve group 24 and the active oil motor 8; Connect by load oil motor oil feed line between load pump 18, load pump operation valve group 25 and the load oil motor 9, in active efflux operation valve group 24, have ratio and regulate the ratio combination valve 19 of charge oil pressure and flow, have the proportional pressure control valve 20 of setting up load pressure in the load pump operation valve group 25.
As Fig. 1 institute formula, in loop test Hydraulic Station 3, also have 21, one big flows of two pioneer pumps, a low discharge is supplied with for whole system provides the guide, is used for the commutation of pump, speed governing etc.