CN105021400B - The intermediate bearing with hydraulic loading device system test-bed for ship propulsive shafting - Google Patents
The intermediate bearing with hydraulic loading device system test-bed for ship propulsive shafting Download PDFInfo
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Abstract
The present invention relates to a kind of intermediate bearing with hydraulic loading device system test-bed for ship propulsive shafting, the intermediate bearing is mainly made up of hydraulic loading system, pressure sensor detection unit, displacement transducer detection unit, hydraulic loaded control system and hydraulic control panel system, wherein：The frame of hydraulic loading system and intermediate bearing is designed using integration, and with this while the shafting of intermediate bearing is supported, control intermediate bearing is horizontal, the displacement of vertical direction, for simulating the position of bearings skew caused by the deformation of hull.The present invention can be good at reflecting the influence of position of bearings change shaft vibration characteristics, can change that bearing is vertical or lateral attitude by hydraulic loading system, and then the dynamic analog deformation of hull, analyze the influence of its shaft vibration characteristics.
Description
Technical field
The present invention relates to marine propulsion shafting Dynamical Characteristics and large ship performance boost, more particularly to ship to push away
Enter the intermediate bearing with hydraulic means of testing stand.
Background technology
Maximization, specialization, intellectuality, safety, energy-conservation with it is green be World Ship technology trends.China's ship
The development of oceangoing ship design-build technology is swift and violent, large ship ten thousand casees above container ships, ultra large crude carrier, aircraft carriers etc.,
The important equipment of ocean development strategy is transported, safeguards maritime rights and interests and implemented as China's Development of Marine.Marine shafting is power
The important component of device, its reliability and stability are the important leverages of marine operation safety.It is main with larger-sized vessel
Machine single-machine capacity increases, deformation of hull increase, the axle journal of shafting and length therewith overstriking (nearly one meter of diameter), (tens very for lengthening
To over one hundred rice), the uncertain factor of shafting operating increases, higher to propositions such as its reliability, security, environmental suitabilities to want
Ask.To adapt to the demand of larger-sized vessel, urgent need solves the problems, such as marine shafting Optimization Theory and method.
Therefore, it is necessary to study dynamics problem of the large ship propulsion system under marine environment, particularly consider
The problems such as coupling influence of the deformation of hull and Propulsion Systems.
The content of the invention
The technical problems to be solved by the invention are：There is provided and a kind of be used for that ship propulsive shafting to be system test-bed adds with hydraulic pressure
The intermediate bearing put is carried, to simulate effect of the deformation of hull at intermediate bearing to Propulsion Systems in actual environment, is solved existing
There is the deficiency that ship propulsive shafting is system test-bed.
The present invention solves its technical problem and uses following technical scheme：
Provided by the present invention for the system test-bed intermediate bearing with hydraulic loading device of ship propulsive shafting, its is main
By hydraulic loading system, pressure sensor detection unit, displacement transducer detection unit, hydraulic loaded control system and hydraulic pressure control
Platform system composition processed, wherein：The frame of hydraulic loading system and intermediate bearing is designed using integration, with this in support jackshaft
While the shafting held, control intermediate bearing is horizontal, the displacement of vertical direction, for simulating the bearing position caused by the deformation of hull
Put skew.
Described hydraulic loading system, its by structure identical respectively have a hydraulic circuit transverse hydraulic loading device and
Longitudinal hydraulic loading device composition, they are separately mounted in horizontal, longitudinal both direction of the frame of the intermediate bearing, liquid
Pressure loading device is connected with rack-mounted suspended axle bearing sleeve respectively.
Described transverse hydraulic loading device, longitudinal hydraulic loading device, be equipped with servo hydraulic cylinder, electrohydraulic servo valve,
Servo hydraulic cylinder shell, fine filter, check valve, electromagnetic relief valve, hydraulic pump and Electric Machine at Pumping Station, wherein：Servo hydraulic cylinder is watched
Take hydraulic cylinder shell to be wrapped, the servo hydraulic cylinder shell is screwed with frame to be connected.
Described transverse hydraulic loading device, longitudinal hydraulic loading device, their hydraulic circuit act on or together respectively
When adjust.
The pressure sensor detection unit is mainly made up of the industrial computer, four pressure sensors that are connected with data wire,
Wherein：Transverse hydraulic loading device and longitudinal hydraulic loading device are respectively provided with two pressure measuring tie-ins, and the screw thread on pressure measuring tie-in is used
Carry out fixation pressure sensing station；The pressure measuring tie-in is separately mounted in the front oil pocket and back oil pocket of servo hydraulic cylinder, to preceding
The pressure change of oil pocket and back oil pocket is monitored.
Institute's displacement sensors detection unit is mainly made up of the industrial computer, two displacement transducers that are connected with data wire,
Wherein：1 machine for being threadedly secured to intermediate bearing is respectively housed in transverse hydraulic loading device and longitudinal hydraulic loading device
Displacement transducer on frame.
The hydraulic control panel system, mainly by be connected with data wire industrial computer, Electric Machine at Pumping Station power supply and control loop,
Pci signal acquisition system, hydraulic proportion valve control loop, water circulating pump power supply and control loop composition.
Circlip for shaft is installed in straight pin and suspended axle bearing sleeve junction, to ensure watching in hydraulic loading system
Take that the loading direction of hydraulic cylinder is correct, and carry out certain buffering, prevent from loading too quickly, damage shaft componentses.
The present invention has the advantages of following main compared with prior art：
1. existing most shafting test bed structure divisions are completely fixed, bearing can not move, even if small part axle
It is system test-bed by adding pad under bearing block the methods of, realize the vertical deviation of bearing to a certain extent.But these are all
Experimental bench all can not fundamentally realize the displacement of bearing, and the support section that the present invention passes through in intermediate bearing adds hydraulic pressure
Loading system, position of bearings is subjected to displacement, solves the system test-bed deformation of hull that can not simulate of existing ship propulsive shafting to axle
The effect of system.
2. by the control measuring system being connected with hydraulic loading system, the anti-of pressure sensor and displacement transducer is utilized
Data are presented, by controlling the aperture of servo valve in host computer, determine the size and rule of change in displacement, to simulate ship fortune
Position of bearings dynamic displacement during row caused by the deformation of hull.Meanwhile the design of multi-direction hydraulic loading device can be real
The multi-direction simultaneous displacement loading that existing ship propulsive shafting is held, more really simulation real navigation shafting is influenceed by the deformation of hull
Situation, reflect Propulsion Systems running status, improve the system test-bed experimental test ability of ship propulsive shafting.
Tested, applied under certain rotating speed vertical/horizontal by the influence for studying simulation deformation of hull shaft vibration characteristics
To displacement, rolling bearing actual displacement size is obtained according to displacement transducer, change feelings are vibrated by vibrating sensor shaft
Condition measures, and examines this device correctly can be simulated to deformation of hull situation from the angle analysis of vibration characteristics change
Test, its result is referring to Fig. 5-Figure 13.Analyze test result, the front and rear oscilating characteristic of contrast loading, it can be seen that this dress
Put the influence that can be good at reflecting position of bearings change shaft vibration characteristics.It is therefore seen that the present apparatus can pass through liquid
Pressing loading system to change, bearing is vertical and lateral attitude, and then the dynamic analog deformation of hull, analyzes its shaft vibration characteristics
Influence.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention, identical comprising horizontal, longitudinal hydraulic loading device, both structures.
Fig. 2 is hydraulic loading device schematic diagram.
Fig. 3 is hydraulic control panel closed-loop control block figure.
Fig. 4 is hydraulic control panel system diagram.
Fig. 5-Fig. 7 is UX, UY of shafting 3 different measuring points in tri- rotating speeds of 100r/min under no-load condition respectively
Dynamic respond spectrogram, as a comparison curve with loading after curve contrasted.
Fig. 8-Figure 10 is the response spectrum figure of shafting 3 measuring points when being applied with vertical hull dynamic displacement excitation respectively.
Compared with spectrogram when zero load, obtained after displacement dynamic exciting is applied with bearing, at measuring point dynamic respond occur compared with
The vertical dynamic displacement of big amplification, i.e. hull can cause the whirling vibration of marine propulsion shafting.
Figure 11-Figure 13 is the response spectrum figure of shafting 3 measuring points when being applied with horizontal hull dynamic displacement excitation respectively.
Compared with spectrogram when zero load, obtained after displacement dynamic exciting is applied with bearing, at measuring point dynamic respond occur compared with
The vertical dynamic displacement of big amplification, i.e. hull can cause the whirling vibration of marine propulsion shafting, but smaller than the influence of vertical excitation.
In figure：1. transverse hydraulic loading device；2. longitudinal hydraulic loading device；3. displacement transducer；4. pressure sensor；
5. servo hydraulic cylinder；6. electrohydraulic servo valve；7. servo hydraulic cylinder shell；8. pressure measuring tie-in；9. oil cylinder fixes soket head cap screw；
10. straight pin；11. circlip for shaft；12. suspended axle bearing sleeve；13. cylinder roller bearing；14. adjust soket head cap screw；15.
Horizontal adjustment soket head cap screw；16. outer-hexagonal bolts；17. frame pressing plate；18. frame；19. fine filter；20. check valve；21. electricity
Magnetic overflow valve；22. hydraulic pump；23. Electric Machine at Pumping Station.
Embodiment
A kind of intermediate bearing with hydraulic loading device system test-bed for ship propulsive shafting provided by the invention.Should
The loading device that intermediate bearing carries mainly loads hydraulic means, force snesor detection unit, displacement transducer by power and detects list
The composition such as member and hydraulic loading system controller.Power loading hydraulic means shares two hydraulic circuits, is separately mounted to ship and pushes away
Enter in shafting at intermediate bearing laterally, in longitudinal both direction, loaded using oil cylinder, two hydraulic circuits can both be made respectively
With can also adjust simultaneously.The size of pressure, displacement transducer detection axle displacement, so as to realize are detected by pressure sensor
Closed-loop control, conventional periodic function displacement is carried out to bearing and loaded, to simulate in actual environment the deformation of hull in intermediate bearing
Effect of the place to Propulsion Systems, solve the coupling influence between the deformation of hull and Propulsion Systems, effectively study Propulsion Systems power
Learn characteristic.
With reference to embodiment and accompanying drawing, the invention will be further described, but does not limit the present invention.
A kind of intermediate bearing with hydraulic loading device system test-bed for ship propulsive shafting provided by the invention, its
Using cylinder roller bearing and the structure of hydraulic loading device suspension connection, by the unbalanced oil pressure of inside and outside hydraulic jack, change
Become cylinder piston position, and then change the position for the cylinder roller bearing for hanging connection therewith.The structure of the intermediate bearing such as Fig. 1
Shown in Fig. 4, mainly by hydraulic loading system, pressure sensor detection unit, displacement transducer detection unit, hydraulic loaded control
System processed and hydraulic control panel system composition；Wherein, hydraulic loading device is designed with intermediate bearing using integration, is changed with this
The irremovable characteristic of traditional bearing, while the shafting of intermediate bearing is supported, bearing can be controlled horizontal, vertical direction
Displacement, for simulating the position of bearings skew caused by the deformation of hull.
The hydraulic loading system has two hydraulic circuits, is separately mounted at marine propulsion shafting experimental bench intermediate bearing
Laterally, in longitudinal both direction, therefore transverse hydraulic the loading device 1, (figure of longitudinal hydraulic loading device 2 can be called respectively
1), their structure is identical, including servo hydraulic cylinder 5, electrohydraulic servo valve 6, servo hydraulic cylinder shell 7, fine filter 19, check valve
20th, electromagnetic relief valve 21, hydraulic pump 22, Electric Machine at Pumping Station 23, wherein：Servo hydraulic cylinder 5 is wrapped up solid by servo hydraulic cylinder shell 7
It is fixed, and fix soket head cap screw 9 using oil cylinder and servo hydraulic cylinder shell 7 is connected with frame 18, servo hydraulic cylinder 5 is fixed whereby
Position.Its hydraulic loaded mode is：Hydraulic pump 22 is driven to provide original oil pressure, and profit for main oil pipe road by Electric Machine at Pumping Station 23
Accordingly controlled with check valve 20 and electromagnetic relief valve 21, it is ensured that oil pressure is stable；Gone using fine filter 19 miscellaneous in degreasing fluid
Matter.During loading, pass through cavity pressure, control cylinder piston-advance or retrogressing before and after the change servo hydraulic cylinder 5 of electrohydraulic servo valve 6, band
The dynamic suspended axle bearing sleeve 12 being connected with straight pin 10 and the displacement of cylinder roller bearing 13, simulate position of bearings caused by the deformation of hull
Change；Cylinder roller bearing 13 is wrapped by the suspended axle bearing sleeve 12 in frame, and suspended axle bearing sleeve 12 passes through straight pin
10 (pin connections) are connected with hydraulic loading system, hang in servo hydraulic cylinder 5 at piston pin connection, it is ensured that work as servo-fluid
During the change that cylinder pressure 5 loads, cylinder roller bearing 13 can be driven by suspended axle bearing sleeve 12, its position is changed, its
Row buffering is entered by circlip for shaft 11 at middle pin connection, such a attachment structure is while bearings effect is played, side
Just when shafting is run, dynamic changes position of bearings, simulates the influence of deformation of hull shaft.In addition, in straight pin 10 and suspension
Circlip for shaft 11 is installed in the junction of bearing holder (housing, cover) 12, to ensure the loading side of the servo hydraulic cylinder 5 in hydraulic loading system
To buffering that is correct, and carrying out certain, prevent from loading too quickly, damage shaft componentses.
Described two hydraulic circuits, one of hydraulic circuit are：The pressure oil that hydraulic pump 22 exports is through the mistake of fine filter 19
After filter, then by check valve 20 to electromagnetic relief valve 21 and off-load, the start button of Electric Machine at Pumping Station 23 on console is pressed, this switch
Signal output is to PLC, after 3s, the electromagnet DT on PLC control electromagnetic relief valves 21 obtain it is electric, so as to realize the sky of Electric Machine at Pumping Station 23
Carry and start, the output pressure of hydraulic pump 22 rises to industrial computer setting pressure after Electric Machine at Pumping Station 23 starts；The pressure that hydraulic pump 22 exports
Power oil is to the integrated package of electrohydraulic servo valve 6.Another hydraulic circuit is：When inputting forward current to electrohydraulic servo valve 6, pressure oil
By the rodless cavity of the entrance servo hydraulic cylinder 5 of electrohydraulic servo valve 6, the piston rod in servo hydraulic cylinder 5 is protruding, passes through shafting
On mechanical driving device promote shafting, shafting offset displacement is adapted with input signal, realize the mesh of shaft loading force
's.When inputting reverse current to electrohydraulic servo valve 6, opposite direction power can be loaded with shaft, its control mode is same as described above.
Two hydraulic circuits are withdrawn by the stretching of the piston rod of servo hydraulic cylinder 5, load a pair thrusts or pulling force in opposite direction, simulation
The deformation displacement of horizontal, longitudinal both direction of the deformation of hull at intermediate bearing.
The transverse hydraulic loading device 1, longitudinal hydraulic loading device 2, it is using oil cylinder to longitudinally, laterally adding
Carry, two hydraulic circuits both can respectively be acted on and can also adjusted simultaneously.The size of pressure is detected by pressure sensor 4, displacement passes
Sensor 3 detects axle displacement, so as to realize closed-loop control, carries out conventional periodic function displacement to bearing and loads, with simulation
Effect of the deformation of hull at intermediate bearing to Propulsion Systems in actual environment, solves the coupling between the deformation of hull and Propulsion Systems
Group photo rings, and effectively studies Propulsion Systems dynamics.
Fixed structure part includes in this system：Oil cylinder fixes soket head cap screw 9, adjusts soket head cap screw 14, horizontal adjustment
Soket head cap screw 15, outer-hexagonal bolts 16, frame pressing plate 17, frame 18.Wherein, it is standard component that oil cylinder, which fixes soket head cap screw 9,
M16*25, for servo hydraulic cylinder shell 7 to be connected with frame 18, the position of fixed servo hydraulic cylinder 5；Adjust soket head cap screw
14 and it is horizontal adjustment soket head cap screw 15 be standard component M16*35, for frame pressing plate 17 to be fixed with floor base；Outer-hexagonal spiral shell
Nail 16 is standard component M20*85, for fixed frame pressing plate 17 and the position of frame 18.Frame pressing plate 17 is mainly used in connection ground
Face base and bearing spider 18.
The pressure sensor detection unit is by industrial computer, 4 pressure sensors, 4,4 pressure measuring tie-ins 8 and its supporting
Signal transmission and acquisition module composition, wherein：Respectively equipped with 2 pressures in transverse hydraulic loading device 1 and longitudinal hydraulic loading device 2
Force snesor 4, it is threadedly coupled by pressure measuring tie-in 8, is separately mounted to the front oil pocket of servo hydraulic cylinder 5 and rear oil
Chamber, to measure the pressure change of front and rear oil pocket, then pressure differential and lifting surface area by front and rear oil pocket, pass through Survey Software meter
Calculate pressure size and the direction of loading.
Institute's displacement sensors detection unit is by industrial computer, 2 displacement transducers 1 and its supporting signal transmission and collection
Module forms, wherein：Respectively machine is threadedly secured in transverse hydraulic loading device 1 and longitudinal hydraulic loading device 2 equipped with 1
Displacement transducer 3 on frame, this displacement transducer Main Basiss magnetic coil principle measures, in sensor internal structure master
To include coil, push rod and measurement apparatus.Push rod is longer, directly withstands on the piston of servo hydraulic cylinder 5, but piston is due to preceding
When pressure is uneven afterwards causes position generation change, push rod relative coil movement is driven to produce magnetic induction change, magnetic induction changes
Caused curent change transmits to data acquisition card as corresponding signal output and then is transferred to industrial computer.
Institute's displacement sensors 3 and pressure sensor 4 are arranged on hydraulic loading device, pass through field terminal box and hydraulic pressure
Signal processing unit in the controller of loading device connects, and the control output unit in the controller of hydraulic loading device passes through
Electro-hydraulic conversion and control mode is connected with power loading pumping plant unit.The size of the pressure of pressure sensor detection hydraulic pump 22, displacement
Sensor detects axle displacement, and displacement and pressure signal are fed back to the controller of hydraulic loading device, controls hydraulic loaded
Device changes the pressure applied, realizes the displacement signal of the conventional periodic function displacement loading time-varying of shaft input, such as sinusoidal,
Cosine, square wave etc..Hydraulic control panel closed-loop control block figure is as shown in Figure 3.
The hydraulic control panel system, mainly returned by host computer (industrial computer), Electric Machine at Pumping Station power supply and control loop, power supply
Road, pci signal acquisition system, hydraulic proportion valve control loop, water circulating pump power supply and control loop are formed, as shown in figure 4, its
In：PCI acquisition systems and host computer are the cores of hydraulic control panel, and numeral and analog signal are collected by PCI capture cards,
And signal is handled in industrial computer.Motor input voltage AC380V, when oil tank liquid level is low or oil circuit blocks, motor stops
Only, console sends sound and light alarm signal, reminds testing crew to stop loading.The power supply such as PLC system, magnetic valve electricity in console
Press as DC24V, there should be a Switching Power Supply that AC220V is converted to DC24V.AC220V sockets should be installed on console, it is convenient
Debugging is used.PLC system is made up of power module, digital quantity input/output module, analog input/output module, storage card.
The signal of digital quantity input module input is opened/stopped including Electric Machine at Pumping Station, Electric Machine at Pumping Station operation feedback, oil circuit block, oil tank liquid level
Just；The signal of digital output module output includes pumping station system sound and light alarm, motor is opened/stopped, overflow valve control；Analog quantity
The signal of input module input includes No. 4 pressure sensors, 2 road displacement transducer signals.The letter of analog output module output
Number include the control of 2 road hydraulic proportion valves.Pumping station system radiating uses water-cooling pattern, and water circulating pump opens/stopped control signal not
Enter PLC.Host computer mainly carries out the loading of power, the display of power.On console in addition to industrial computer, should also there is pumping plant power supply to refer to
Show, Electric Machine at Pumping Station operation indicates, pumping station system failure sound and light alarm indicates, Electric Machine at Pumping Station opens/stopped control button, water circulating pump
Open/stop control button, AC220V debugging sockets；There are PLC system, Switching Power Supply, relay, breaker, insurance etc. in console
Equipment.
Above-mentioned intermediate bearing (the letter with hydraulic loading device system test-bed for ship propulsive shafting provided by the invention
Claim bearing), its course of work is as follows：
Check whether lubricating grease (butter) is smeared in place at bearing loading in cylinder roller bearing, be to use if not smearing
Grease gun is filled；Check and lubricate whether in-oil cylinder lubricating oil fills in place at each sliding bearing；Check power supply electric brake
Whether open errorless；Check pumping plant original pressure level, generally 3MPa-5MPa；
The measuring system in console industrial computer is opened, after operation program, each pressure sensor, displacement transducer start
Work, and show corresponding readings；
The manual unlocking motor before frequency conversion tank, by frequency conversion tank control panel adjust shafting rotating speed (5Hz is corresponding 73 turns/
Min), to ensure experimental bench stable operation, its rotary speed is no more than 300-400 and turns/min as far as possible；
Start pumping plant on console, make the No Load Start of Electric Machine at Pumping Station, start hydraulic buttery valve in process of measurement；
After all systems all start, in the premise for ensuring that each sensor initial setting up is errorless, main pipeline pressure is appropriate
Under, the loading that all directions are carried out in the software in console industrial computer is set, and selects waveform (sine, square wave, three of loading
Corner lamp), and required loading frequency and offset are set, (frequency is usually no more than 5Hz), after being provided with, carry out corresponding
Loading, when industrial computer controls electro-hydraulic servo amplifier to servo valve input forward direction/negative current, servo valve control pressure oil enters
Rodless cavity (preceding oil cylinder)/rod chamber (rear oil cylinder) of servoBcylinder, causes front and rear oil cylinder working-pressure so that the piston in rear oil cylinder
Bar is protruding, and is applied pressure at by corresponding mechanical driving device in shafting, make shafting this side up occur before
After offset, and displacement is exported to electro-hydraulic servo amplifier in the form of voltage signal by displacement transducer, and electro-hydraulic
Servo amplifier is contrasted by the PID control circuit of inside to setting displacement and the actual displacement that obtains of displacement transducer,
And output current signal is modified whereby, the purpose of control shafting load deflection is realized, the simulation deformation of hull is in jackshaft
Hold the deformation displacement of horizontal, longitudinal both direction at place.
Claims (6)
1. a kind of intermediate bearing with hydraulic loading device system test-bed for ship propulsive shafting, it is characterised in that among this
Bearing is mainly by hydraulic loading system, pressure sensor detection unit, displacement transducer detection unit, hydraulic loaded control system
Formed with hydraulic control panel system, wherein：The frame of hydraulic loading system and intermediate bearing（18）Designed using integration, with this
While the shafting of intermediate bearing is supported, control intermediate bearing is horizontal, the displacement of vertical direction, for simulating deformation of hull institute
Caused position of bearings skew；The transverse hydraulic that the hydraulic loading system respectively has a hydraulic circuit by structure identical loads
Device（1）With longitudinal hydraulic loading device（2）Composition, they are separately mounted to the frame of the intermediate bearing（18）Transverse direction,
In longitudinal both direction, hydraulic loading device respectively with installed in frame（18）On suspended axle bearing sleeve（12）It is connected, suspended axle
Bearing sleeve（12）Pass through straight pin（10）It is connected with hydraulic loading system, in suspended axle bearing sleeve（12）With straight pin（10）Pacify junction
Fill circlip for shaft（11）, to ensure the servo hydraulic cylinder in hydraulic loading system（5）Loading direction it is correct, and carry out
Certain buffering, prevent from loading too quickly, damage shaft componentses.
2. intermediate bearing according to claim 1, it is characterised in that described transverse hydraulic loading device（1）, longitudinal liquid
Press loading device（2）, it is equipped with servo hydraulic cylinder（5）, electrohydraulic servo valve（6）, servo hydraulic cylinder shell（7）, fine filter（19）、
Check valve（20）, electromagnetic relief valve（21）, hydraulic pump（22）And Electric Machine at Pumping Station（23）, wherein：Servo hydraulic cylinder（5）By servo-fluid
Cylinder pressure shell（7）Wrapped, the servo hydraulic cylinder shell（7）With frame（18）It is screwed connected.
3. intermediate bearing according to claim 1, it is characterised in that described transverse hydraulic loading device（1）, longitudinal liquid
Press loading device（2）, their hydraulic circuit acts on or adjusts simultaneously respectively.
4. intermediate bearing according to claim 1, it is characterised in that the pressure sensor detection unit is mainly by with number
Industrial computer, four pressure sensors being connected according to line（4）Composition, wherein：Transverse hydraulic loading device（1）With longitudinal hydraulic loaded
Device（2）It is respectively provided with two pressure measuring tie-ins（8）, pressure measuring tie-in（8）On screw thread be used for fixation pressure sensor（4）Position；Institute
State pressure measuring tie-in（8）It is separately mounted to servo hydraulic cylinder（5）Front oil pocket and back oil pocket in, to front and rear oil pocket pressure change carry out
Monitoring.
5. intermediate bearing according to claim 1, it is characterised in that institute's displacement sensors detection unit is mainly by with number
Industrial computer, two displacement transducers being connected according to line（3）Composition, wherein：Transverse hydraulic loading device（1）With longitudinal hydraulic loaded
Device（2）In 1 frame for being threadedly secured to intermediate bearing is respectively housed（18）On displacement transducer（3）.
6. intermediate bearing according to claim 1, it is characterized in that the hydraulic control panel system, mainly by with data wire phase
Industrial computer, Electric Machine at Pumping Station power supply and control loop even, pci signal acquisition system, hydraulic proportion valve control loop, water circulating pump
Power supply and control loop composition.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU206097U1 (en) * | 2021-05-11 | 2021-08-23 | Акционерное Общество "Машиностроительная Компания "Витязь" | Bench for simulation tests and running-in bevel gearbox |
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