CN206563646U - A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect - Google Patents
A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect Download PDFInfo
- Publication number
- CN206563646U CN206563646U CN201720099546.6U CN201720099546U CN206563646U CN 206563646 U CN206563646 U CN 206563646U CN 201720099546 U CN201720099546 U CN 201720099546U CN 206563646 U CN206563646 U CN 206563646U
- Authority
- CN
- China
- Prior art keywords
- test
- power transmission
- transmission shaft
- mounting cylinder
- drive device
- 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
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect, test unit, water supply installation, support and the controller of exemplar are tested including drive device, gear unit, replaceable hydrofoil surface, drive device is furnished with torque rating part, the torque rating part output shaft of drive device and the input axle of gear unit connect, and the output end and test unit of gear unit are affixed；Inlet pipeline, the outlet pipeline of water supply installation are connected with the test cavity of test unit；Drive device, gear unit and test unit are arranged on the sliding area of support, and water supply installation is arranged on support non-slip region；The control end of drive device and the control end of controller are electrically connected；The torque rating part signal output end of drive device and the signal input part of controller are electrically connected.The beneficial effects of the utility model are：Measurement result is accurate；Test exemplar and change easy, be not required to extra dynamical system and be provided to experimental rig, closed cycle reduces cost and reduces external interference.
Description
Technical field
The utility model is related to a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect.
Background technology
It can be applied to mainly have water hole device and sink arrangement to the experimental rig of hydrofoil surface drag-reduction effect at present.
As the policy for saving energy energy-conserving and environment-protective is gradually implemented, in field of fluid machinery, because hydrofoil surface is important
Flow passage components, its surface drag reduction is particularly important, and hydrofoil skin friction resistance pair is reduced by using necessary means
In improving hydrofoil overall performance, save the energy, improve life-span etc. and be respectively provided with significance, and how to manufacture and design can be succinctly straight
The experimental rig for seeing ground test hydrofoil surface drag-reduction effect is particularly significant.Present colleges and universities and corporate boss will be with water tunnel experiments and water
The drawbacks of groove is tested as main experimental rig, but its cost is high, space requirement is huge causes this, and means cost is huge, be difficult to
Popularization, the existing pond of China is due to the limitation of length and expense, it is difficult to meet multiple types hydrofoil surface and variable a wide range of speed
The requirement of degree.And small-sized experimental rig, the centrifugal pump closed-type experimental rig as, because its structure uses closed device,
Although reducing influence of the extraneous factor to result of the test, the test model that can be carried out also has been limited to simultaneously, and can not
Carry out the comparison of drag-reduction effect, it is difficult to carry out novel drag reduction method testing.Based on such present situation, hydrofoil surface of today subtracts
A kind of highly desirable economic, the reliable, applicability of resistance research widely to study the experimental rig of drag-reduction effect, meanwhile, if
The experimental rig can change the hydrofoil surface of such as impeller, then can meet and be directed to water to jet and deformation wall etc. at this stage
The need for the research of wing surface drag-reduction effect.
The content of the invention
The purpose of this utility model is to provide a kind of easily operated, loads and unloads easy, test accurate, for Non-smooth surface water
The experimental rig that wing surface drag-reduction effect is tested.
A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect described in the utility model, its feature exists
In：Test unit, water supply installation, support and the control of exemplar are tested including drive device, gear unit, replaceable hydrofoil surface
Device processed, the drive device is furnished with torque rating part, and the torque rating part output shaft of drive device and the transmission
The input axle of unit connects, and the output end of the gear unit and the test unit are affixed；The water inlet pipe of the water supply installation
Road, outlet pipeline are connected with the test cavity of test unit；The drive device, gear unit and test unit are installed in
The sliding area of support, the water supply installation is arranged on the non-slip region of support；The control end of the drive device with it is described
The control end of controller is electrically connected；The torque rating part signal output end of the drive device is inputted with the signal of the controller
End is electrically connected；
The gear unit includes power transmission shaft and the first mounting cylinder for installing power transmission shaft, the first mounting cylinder bottom
Installed in the sliding area of the support, the power transmission shaft is rotated with first mounting cylinder sealing and is connected, the power transmission shaft
The output shaft axle of first end and the drive device connects, and test sheet is stretched into the second end of the power transmission shaft after running through the first mounting cylinder
It is furnished with the axle sleeve for being used to support hydrofoil surface to test exemplar in the test cavity of member, the second end end of power transmission shaft；
The test unit include with test cavity test assembly and device for sealing magnetic fluid, the test assembly with
One end of first mounting cylinder is affixed, and the test assembly is provided with the installation through-hole passed through for the end of power transmission shaft second, the magnetic
Fluid seal apparatus is embedded in the installation through-hole, and the test assembly passes through device for sealing magnetic fluid and the power transmission shaft
The second end sealing rotate connection；
The water supply installation includes storage tank, outlet pipeline and inlet pipeline, and the storage tank passes through outlet pipeline and examination
The delivery port connection of top of chamber is tested, the storage tank is connected by inlet pipeline with the water inlet of test cavity；The outlet pipeline
And corresponding control valve is equipped with the inlet pipeline；
The central axis of the output shaft of the drive device, the central shaft of the gear unit and the test unit
Arrangement.
First mounting cylinder includes the cylinder of open at both ends and is arranged on the tail cover of cylinder one end, the aft end
Lid sealing is fixed in the first end of cylinder, and the second end of cylinder seals affixed with described test assembly one end；The power transmission shaft leads to
The spring bearing mounted in cylinder lumen is crossed be connected with barrel body rotation, the first end of the power transmission shaft after the tail cover and
The output shaft axle of the drive device is connect, and the second end of the power transmission shaft is stretched into the test cavity of the test assembly.
The test assembly includes the second mounting cylinder and train head lid of open at one end, the blind end of the second mounting cylinder and
Second end of one mounting cylinder is affixed, and the opening end of the second mounting cylinder seals affixed with the train head lid；Second mounting cylinder
Blind end be provided with and be used for the through hole through the second end of power transmission shaft, the device for sealing magnetic fluid is arranged on the second mounting cylinder
Between blind end and power transmission shaft；Delivery port is provided with the top of second mounting cylinder；The train head lid is provided with water inlet.
The device for sealing magnetic fluid includes magnetic fluid, O-ring seal, permanent magnet and magnetic pole, and the whole magnetic fluid is close
Seal apparatus is arranged in the installation through-hole of test unit, and the permanent magnet closely surrounds the second end of the power transmission shaft, two magnetic
Pole point is listed in the both sides of permanent magnet, and fills out the ring packing gap of magnetic fluid between the magnetic pole and power transmission shaft in formation；Institute
State O-ring seal to be embedded on the outer wall of the magnetic pole, it is ensured that magnetic pole is sealed with installation through-hole.
The drive device includes motor, first shaft coupling, torque signal coupler and second shaft coupling, the motor
Output shaft be connected by first shaft coupling with the input of the torque signal coupler, the torque signal coupler it is defeated
Go out end to connect by the input of second shaft coupling and gear unit；The motor, the torque signal coupler are arranged on institute
State the sliding area of support；The signal input part of the signal output part and the controller of the torque signal coupler is electrically connected.
The support includes track, slide rail and fixed block, and the slide rail is the sliding area of support, and the track is used as branch
The non-slip region of frame；The track installation on the track, and the track along power transmission direction arrange, the cunning
Rail is slidably connected with the track；It is provided with each two bolts hole of two rows on track, fixed block is consolidated at two at this respectively by bolt
It is fixed in orbit；Slide rail carrying driver element, gear unit and test unit part accessory, slide rail lower end is furnished with to be slided with track
The wheel of dynamic connection, track carrying train head lid is simultaneously bolted on the ground；The outlet pipeline, the inlet pipeline lead to
Support frame is crossed to be erected on the track of support.
The inwall of first mounting cylinder, which is provided with two spring bearings, one of spring bearing, is furnished with bearings,
Transmission shaft through-hole of the power transmission shaft in bearings, and the two keeps sealing to rotate connection.
The power transmission shaft is Step Shaft, and the second end distal end faces of power transmission shaft test exemplar equipped with anti-water-proof wing surface
The spindle nose retainer ring of axial movement, the power transmission shaft is affixed by the sunk screw mounted in its end and the axle sleeve retainer ring；
Second end of the power transmission shaft is connected with being enclosed on the hydrofoil surface experiment exemplar key of its outer wall, wherein hydrofoil surface test sample
One end of part is against on the step surface of power transmission shaft, and the other end is against on the end face of spindle nose retainer ring.
The bottom of the cylinder of first mounting cylinder is provided with the first leakage fluid dram of the bolt of band first；Second mounting cylinder
Bottom is provided with the second leakage fluid dram of the bolt of band second.
The utility model is that can realize to test Non-smooth surface hydrofoil surface drag-reduction effect, additionally it is possible to a part of leaf
Wheel, blade drag-reduction effect are tested.When this experimental rig works, pass through the data analysis being connected on torque signal coupler
The torque signal value that network analysis is collected when Non-smooth surface and smooth hydrofoil surface, carries out data comparison, draws non-
The drag-reduction effect on smooth hydrofoil surface.
The beneficial effects of the utility model are：Due to the frictional resistance very little of magnet fluid sealing, moment of torsion model coupling can be passed through
Clutch easily obtains accurate test result；Experiment exemplar is easily changed, and the Renewal process saving time easy to operate, is reduced into
This is not interfered simultaneously to experimental result, can fast and easily test the moment of torsion on Non-smooth surface and corresponding smooth hydrofoil surface
Value, can quantify accurate drag-reduction effect by contrasting reference；Only it need to manufacture corresponding for the hydrofoil surface of experiment exemplar
Axle sleeve, it is possible in the present apparatus, so versatility is good, can carry out the control examination of multigroup multiple types according to demand
Test, to obtain optimal selection；Water supply system can be not required to extra dynamical system by difference in height and be provided to experimental rig, and
Closed cycle is reached by the running of experimental provision, cost is reduced and reduces external interference.
Brief description of the drawings
Fig. 1：It is experimental rig total figure；
Fig. 2：It is data analysis schematic diagram；
Fig. 3：It is test portion structure chart；
Fig. 4：It is effluent pipe mouth schematic diagram；
Fig. 5：It is magnet fluid sealing schematic diagram；
Fig. 6 a：It is hydrofoil surface experiment exemplar side view schematic diagram；
Fig. 6 b：It is impeller experiment exemplar side view schematic diagram；
Fig. 7：It is constant cross-section schematic diagram on the right side of track.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect described in the utility model of embodiment 1, bag
Include drive device 1, gear unit 2, test unit 3, water supply installation 4, support 5 and the control of replaceable hydrofoil surface experiment exemplar
Device processed, the drive device is furnished with torque rating part, and the torque rating part output shaft of drive device 1 and the transmission
The input axle of unit 2 connects, and the output end of the gear unit 2 and the test unit 3 are affixed；The water supply installation 4 enters
The test cavity of water lines, outlet pipeline with test unit 3 is connected；The drive device 1, gear unit 2 and test unit 3
The sliding area of support 5 is installed in, the water supply installation 4 is arranged on the non-slip region of support；The drive device 1
Control end and the control end of the controller are electrically connected；The torque rating part signal output end of the drive device 1 and the control
The signal input part of device processed is electrically connected；
The gear unit 2 includes power transmission shaft 21 and the first mounting cylinder 22 for installing power transmission shaft, and described first installs
22 bottoms of cylinder are arranged on the sliding area of the support 5, and the power transmission shaft 21 is rotated with first mounting cylinder 22 sealing and is connected,
The output shaft axle of the first end of the power transmission shaft 21 and the drive device 1 connects, and the second end of the power transmission shaft 21 runs through first
The test cavity of test unit 3 is stretched into after mounting cylinder 22, the second end end of power transmission shaft 21, which is furnished with, to be used to support hydrofoil surface to test
The axle sleeve 213 of exemplar 6；
The test unit 3 includes test assembly 31 and device for sealing magnetic fluid 32 with test cavity, the experiment
One end of component 31 and first mounting cylinder 22 is affixed, and the test assembly 31 is provided with the peace passed through for the end of power transmission shaft 21 second
Through hole is filled, the device for sealing magnetic fluid 32 is embedded in the installation through-hole, and the test assembly 31 is close by magnetic fluid
Seal apparatus 32 is rotated with the second end sealing of the power transmission shaft 21 and is connected；
The water supply installation 4 includes storage tank 41, outlet pipeline 42 and inlet pipeline 43, and the storage tank 41 passes through water outlet
Pipeline 42 is connected with the delivery port at the top of test cavity, and the storage tank 41 is connected by the water inlet of inlet pipeline 43 and test cavity
It is logical；Corresponding control valve (44,45) is equipped with the outlet pipeline 42 and the inlet pipeline 43；
The central shaft of the output shaft of the drive device 1, the central shaft of the gear unit 2 and the test unit 3
It is coaxially arranged.
First mounting cylinder 22 includes the cylinder of open at both ends and is arranged on the tail cover 222 of the one end of cylinder 221, institute
State tail cover 222 and seal the first end for being fixed in cylinder 221, the second end of cylinder 221 and described one end of test assembly 31 are close
Sealing connects；The power transmission shaft 21 is rotated with cylinder 221 by the spring bearing 223 mounted in the inner chamber of cylinder 221 and is connected, described to pass
The output shaft axle that the first end of moving axis 221 runs through after the tail cover 222 with the drive device 1 connects, the power transmission shaft 21
The second end stretch into the test cavity of the test assembly 31.
The test assembly 31 includes the second mounting cylinder 311 and train head lid 312 of open at one end, the second mounting cylinder 311
Blind end and the first mounting cylinder 22 the second end it is affixed, the opening end of the second mounting cylinder 311 is sealed with the train head lid 312
It is affixed；The blind end of second mounting cylinder 311, which is provided with, is used for the through hole through the second end of power transmission shaft 21, the magnetic fluid
Sealing device 32 is arranged between the blind end of the second mounting cylinder 311 and power transmission shaft 21；The top of second mounting cylinder 311 is provided with
Delivery port 3112；The train head lid 312 is provided with water inlet 3121.
The device for sealing magnetic fluid 32 includes magnetic fluid 321, O-ring seal 322, permanent magnet 323 and magnetic pole 324, whole
The individual device for sealing magnetic fluid 32 is arranged in the installation through-hole of test unit 3, and the permanent magnet 323 closely surrounds described
Second end of power transmission shaft 21, two 324 points of magnetic poles are listed in the both sides of permanent magnet 323, and the magnetic pole 324 and power transmission shaft 21
Between formed in fill out the ring packing gap of magnetic fluid 321；The O-ring seal 321 is embedded on the outer wall of the magnetic pole 324,
Ensure that magnetic pole 324 is sealed with installation through-hole.
The drive device 1 includes motor 11, first shaft coupling 12, torque signal coupler 13 and second shaft coupling
14, the output shaft of the motor 11 is connected by first shaft coupling 12 with the input of the torque signal coupler 13, described
The output end of torque signal coupler 13 is connected by second shaft coupling 14 with the input of gear unit 2；The motor 11, institute
State the sliding area that torque signal coupler 13 is arranged on the support 5；The signal output part of the torque signal coupler 13
It is electrically connected with the signal input part of the controller.
The support 5 includes track 51, slide rail 52 and fixed block 53, and the slide rail 52 is the sliding area of support, described
Track 51 as support non-slip region；The track 52 is arranged on the track 51, and the track 51 is along power
Transmission direction arranges that the slide rail 53 is slidably connected with the track 52；Each two bolts hole of two rows are provided with track 52, it is fixed
Block 53 is fixed on track 51 at two at this respectively by bolt；The carrying of slide rail 52 driver element, gear unit 2 and test sheet
First 3 part accessories, the lower end of slide rail 52 is furnished with the wheel being slidably connected with track 51, and track 51 carries train head lid 312 and by spiral shell
Bolt is fixed on the ground；The outlet pipeline 42, the inlet pipeline 43 are supported by corresponding water outlet support frame 421, water inlet
Frame 431 is erected on the track 51 of support.
The inwall of first mounting cylinder 22, which is provided with two spring bearings 223, one of spring bearing 223, is furnished with axle
Support 224, transmission shaft through-hole of the power transmission shaft 21 in bearings 224 are held, and the two keeps sealing to rotate company
Connect.
The power transmission shaft 21 be Step Shaft, and power transmission shaft 21 the second end distal end faces equipped with anti-water-proof wing surface experiment
The spindle nose retainer ring 211 that exemplar 6 is moved axially, the power transmission shaft 21 passes through the sunk screw 212 mounted in its end and the axle
Cover retainer ring 211 affixed；Second end of the power transmission shaft 21 is connected with being enclosed on the hydrofoil surface experiment key of exemplar 6 of its outer wall, its
Described in hydrofoil surface experiment exemplar 6 one end be against on the step surface of power transmission shaft 21, the other end is against spindle nose retainer ring 211
On end face.
The bottom of the cylinder 221 of first mounting cylinder 22 is provided with the first leakage fluid dram of the first bolt of band 225；Described second
The bottom of mounting cylinder 311 is provided with the second leakage fluid dram of the second bolt of band 313.
Specifically, with reference to Fig. 1, the storage tank 41 of water supplying unit 4 is arranged on wall, bottom perforate connection inlet pipeline
43, inlet pipeline 43 is fixed and supported by entering support frame 431, be can adjust flow velocity equipped with control valve 45 on inlet pipeline 43, is entered
Water lines 43 pass through bolt and train head lid by the joint test unit 3 of oral siphon end cap 432, wherein oral siphon end cap 432
312 connections, wherein in order to prevent leakage, sealing ring is set in oral siphon end cap 432 and the connecting portion of train head lid 312.Experiment
The fluid of part outflow is flowed out by outlet pipeline 42, and outlet pipeline 42 is connected by bolt with water outlet pipe end-cap 422, by support frame
421 are fixed and support, and outlet pipeline 42 is drawn by water outlet pipe end-cap 422 and equipped with control valve 44, and fluid is led back into storage tank
41。
With reference to Fig. 1 and 3, gear unit 2：First mounting cylinder, 22 main supporting roles in process of the test, first installs
Cylinder 22 fixes spring bearing 223, welds and is bolted on slide rail 52 with support frame, tail cover 222 and bearings
223 are connected in left and right ends by bolt with the first mounting cylinder 22 to fix spring bearing 223 respectively, and are furnished with sealing ring to prevent
The leakage of bearing oil, spring bearing 223 is by shaft shoulder axial restraint axle, it is ensured that axle is axially without displacement during experiment.First peace
The bottom of fitted tube 22 is provided with the first leakage fluid dram of the first bolt of band 225, and the injection of lubricating oil can be realized after screwing off the first bolt 225
With impurity, dirty oily outflow.
With reference to Fig. 1,3,4 and 5, test unit：Second mounting cylinder 311 of test assembly 31 is by bolt and the first mounting cylinder
22 are connected and are fixed on by support frame on slide rail 52, and device for sealing magnetic fluid 32 is entered by the second mounting cylinder 311 and sealing support 321
Row is axially fixed on power transmission shaft 21, device for sealing magnetic fluid 32 due to resistance very little and good sealing effect can test into
The sealing between runner and body is realized on the premise of hardly interference test result during row, the lower end of the second mounting cylinder 311 is set
There is bolt 3111, bolt can be screwed off to release remnants fluid when idle.Train head lid 312 passes through oral siphon end cap 432
It is connected with inlet pipeline 43 and equipped with sealing ring, the mounting cylinder 311 of train head lid 312 and second is bolted and equipped with sealing
Ring, and be connected by bolt with track 51 with fixing, outlet pipeline 42 is connected by water outlet pipe end-cap 422 with delivery port 3112,
Thus the watering cycle of enclosed is constituted.With reference to Fig. 6 a, axle sleeve 213 is from key with realizing circumferentially fixed, hydrofoil table with power transmission shaft 21
Interview tests exemplar 6 and is realized by key and axle sleeve 213 circumferentially fixed, is rotated jointly with power transmission shaft 21 during experiment, hydrofoil surface test sample
Part axle sleeve specially makes for hydrous water wing surface experiment exemplar, can coordinate inside it with the key of spindle nose, outside and water
Wing surface experiment exemplar coordinates, and can so be realized on the premise of axle is changed without and easily change hydrofoil surface experiment exemplar,
Axle sleeve 213 and hydrofoil surface experiment exemplar 6 are axially fixed on power transmission shaft 21 by spindle nose retainer ring 211, and centre is provided with packing ring
214, spindle nose retainer ring 211 is fixed on spindle nose by sunk screw 212.The power transmission shaft that the rotation direction of sunk screw 212 will drive with motor
21 steering is to cooperation, it is therefore an objective to prevent from loosening when rotating at a high speed at the trial, and sunk screw 212 is done to runner
Disturb very little.Need to pull down the bolt for connecting oral siphon end cap 432 and train head lid 312 when changing hydrofoil surface experiment exemplar, tear open
Fixed block 53 on lower railway, promotes slide rail it is moved to after carrying the part such as motor jointly on the right side of track and solid with fixed block 53
It is fixed, sunk screw 212 and spindle nose retainer ring 211 and packing ring 214 are pulled down, supporting axle sleeve and hydrofoil surface experiment exemplar is changed,
It is moved back to slide rail 52 again afterwards and installs above-mentioned part, just can carries out lower whorl experiment.
With reference to Fig. 1, track portion I is mainly made up of slide rail 52, track 51, fixed block 53.The carrying of slide rail 52 motor 11, torsion
Square signal coupler 13, test portion, the lower end of slide rail 52 have wheel that above-mentioned part can be driven to be slided in track 51, track 51
Carrying train head lid 312 is simultaneously bolted on the ground.Each two bolts hole of two rows are provided with track 51, fixed block 53 leads to
Crossing bolt can be fixed on track 51 at two at this respectively, play a part of fixed rack 52, wherein installed in right side bolt
It is, for fixed rack at the trial, to prevent it from sliding axially during hole, is to change hydrofoil during installed in left side bolt hole
Fixed rack 52 when exemplar is tested on surface.
Illustrate assembling process of the present utility model below in conjunction with the accompanying drawings.
With reference to Fig. 1, track 51 is bolted on the ground, slide rail 52 is inserted into track 51, install fixed block 53 in
Right side bolt hole, fixed rack 52.Test portion concrete structure is as shown in Figure 3.During installation, the first mounting cylinder 22 is installed first,
The base of the first mounting cylinder 22 is fixed on slide rail 52 by bolt, tail cover 222 is matched somebody with somebody with sealing ring merged by bolt afterwards
It is fixed on the first mounting cylinder 22, after the proper lubrication of spring bearing 223, by first after axle 16 and spring bearing 223 are coordinated
The openend of mounting cylinder 22 is put into, and coordinates bearings 223 and sealing ring after regulation good position, and is put into the first mounting cylinder 22,
And fixation is connected by bolt, screw on bolt 32.Device for sealing magnetic fluid 32 is inserted into the second mounting cylinder 311 afterwards, adjusted
Sealing support 12 is installed by bolt after good position, after by the second mounting cylinder 311 along the direct-axis of power transmission shaft 21 to inserting the first installation
Cylinder 22, installs the bolt of on the first mounting cylinder 22 and the second mounting cylinder 311, the second mounting cylinder 311 and slide rail 52, successively along key
Groove loads axle sleeve 213 and hydrofoil surface experiment exemplar 6, mounting gasket 214 and spindle nose retainer ring 211, and countersunk head spiral shell is screwed on after cooperation
Nail 212, screws on the second bolt 313.Train head lid 312 is directed at the second mounting cylinder 311 afterwards, sealing ring is coordinated, passes through spiral shell
The support of train head lid 312 is connected by bolt with track 51, train head lid 312 and the second mounting cylinder 311.By storage tank 41
It is fixed on by support on wall, by inlet pipeline 43 with entering support frame 431, inlet pipeline control valve 44, oral siphon end cap 432
Assemble, load storage tank 41 in, now the control valve 45 on inlet pipeline 43 need close, after sealing ring is inserted into oral siphon end
Lid 432, adjustment position makes oral siphon end cap 432 and train head lid coordinate 22, be bolted be fixed into water pipe end cap 432 with
Train head lid 312.Outlet pipeline 42 is assembled with water outlet pipe holder, water outlet pipe end-cap 422, control valve 44, loads storage tank
In 41, adjustment position is used water pipe end cap 422 and coordinated with outlet pipeline 42, is bolted fixation.Support frame will be entered afterwards
431 and water outlet pipe holder be connected by bolt with ground.
Motor 11 is connected with the input of torque signal coupler 13 by first shaft coupling 12, torque signal coupling
The output end of device 13 is connected with the input of power transmission shaft 21 by first shaft coupling 12, using gear unit, test unit as load,
Motor 11 adjusts rotating speed by frequency converter, with suitable different Operation Conditions.Torque signal coupler 13 is adopted by transmitter
The signal collected is transmitted to computer, and signal is carried out into analysis storage by LabVIEW softwares, the result of drag-reduction effect is drawn.
During as hydrofoil surface drag reduction testing experiment, detailed process is：According to assembling process, Non-smooth surface hydrofoil surface is tried
Test exemplar 6 and its supporting axle sleeve 213 is mounted on an axle, open inlet pipeline control valve 45, fill whole body, process of the test
In by regulation motor frequency converter, motor 11 is operated under several groups of operating modes of required test, being believed by moment of torsion under different rotating speeds
The data storage that number coupler 13 is obtained is in a computer.After non-smooth surface hydrofoil surface test terminates, water inlet pipe is closed
Road control valve 45, screws off fluid in the second bolt 313, excavator body, is revolved again if it need to discharge the waste oil in the first mounting cylinder 22
Lower first bolt 225, discharges waste oil, two bolts is screwed on after emptying.Afterwards release fixed block 53, screw off draining pipe end-cap 314 with
The bolt of delivery port 3112, the mounting cylinder 311 of train head lid 312 and second, is moved to the right side of track 51, by fixation by slide rail 52
Block 53 is arranged at the bolt hole of left side, with fixed rack 52, is screwed off sunk screw 212, is removed spindle nose retainer ring 211 and packing ring
214, remove Non-smooth surface hydrofoil surface experiment exemplar 6 and its supporting axle sleeve 213, load onto smooth hydrofoil surface experiment exemplar and its
Supporting axle sleeve, then packing ring 214, spindle nose retainer ring 211, sunk screw 212 are installed successively.Fixed block 53 is released, cunning is moved back to
Rail 52, fixed block 53 is arranged at the bolt hole of right side, with fixed rack 52.Screw on draining pipe end-cap 314 and water outlet successively again
Mouth 3112, the bolt of the mounting cylinder 311 of train head lid 312 and second, open inlet pipeline control valve 45, fill whole body, adjust
The experimental data under motor 11, several groups of operating modes of test light water skiing wing surface experiment exemplar is saved, and is stored in a computer.Work as institute
There is something special be sequentially completed after, to all data carry out check analysis processing draw a conclusion.
During as specific hydrofoil surface drag reduction testing experiment, such as impeller 7, as shown in Figure 6 b, only need to pointedly manufacture with
Supporting axle sleeve just may be implemented in and be changed without axle on the premise of, complete different hydrofoil surface drag reduction testing experiments.
The utility model is that can realize to test Non-smooth surface hydrofoil surface drag-reduction effect, additionally it is possible to a part of leaf
Wheel, blade drag-reduction effect are tested.When this experimental rig works, pass through the data analysis being connected on torque signal coupler
The torque signal value that network analysis is collected when Non-smooth surface and smooth hydrofoil surface, carries out data comparison, draws non-
The drag-reduction effect on smooth hydrofoil surface.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model is also wrapped
Include those skilled in the art according to the utility model conceive it is conceivable that equivalent technologies mean.
Claims (9)
1. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect, it is characterised in that：Including drive device, transmission
Unit, replaceable hydrofoil surface test test unit, water supply installation, support and the controller of exemplar, and the drive device is matched somebody with somebody
There is torque rating part, and the torque rating part output shaft of drive device connects with the input axle of the gear unit, institute
The output end and the test unit for stating gear unit are affixed；The inlet pipeline of the water supply installation, outlet pipeline with experiment
The test cavity connection of unit；The drive device, gear unit and test unit are installed in the sliding area of support, described
Water supply installation is arranged on the non-slip region of support；The control end of the drive device and the control end of the controller are electrically connected；
The torque rating part signal output end and the signal input part of the controller of the drive device are electrically connected；
The gear unit includes power transmission shaft and the first mounting cylinder for installing power transmission shaft, and the first mounting cylinder bottom is installed
In the sliding area of the support, the power transmission shaft is rotated with first mounting cylinder sealing and is connected, and the first of the power transmission shaft
The output shaft axle with the drive device is held to connect, test unit is stretched into the second end of the power transmission shaft after running through the first mounting cylinder
It is furnished with the axle sleeve for being used to support hydrofoil surface to test exemplar in test cavity, the second end end of power transmission shaft；
The test unit include with test cavity test assembly and device for sealing magnetic fluid, the test assembly with it is described
One end of first mounting cylinder is affixed, and the test assembly is provided with the installation through-hole passed through for the end of power transmission shaft second, the magnetic fluid
Sealing device is embedded in the installation through-hole, and the test assembly pass through device for sealing magnetic fluid and the power transmission shaft the
The sealing of two ends rotates connection；
The water supply installation includes storage tank, outlet pipeline and inlet pipeline, and the storage tank passes through outlet pipeline and test cavity
The delivery port connection at top, the storage tank is connected by inlet pipeline with the water inlet of test cavity；The outlet pipeline and
Corresponding control valve is equipped with the inlet pipeline；
The central axis cloth of the output shaft of the drive device, the central shaft of the gear unit and the test unit
Put.
2. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 1, it is characterised in that：
First mounting cylinder includes the cylinder of open at both ends and is arranged on the tail cover of cylinder one end, and the tail cover sealing is solid
The first end of cylinder is connected on, the second end of cylinder seals affixed with described test assembly one end；The power transmission shaft passes through mounted in cylinder
The spring bearing of intracoelomic cavity is connected with barrel body rotation, the first end of the power transmission shaft run through after the tail cover with the driving
The output shaft axle of device is connect, and the second end of the power transmission shaft is stretched into the test cavity of the test assembly.
3. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 1, it is characterised in that：
The test assembly includes the second mounting cylinder and train head lid of open at one end, the blind end of the second mounting cylinder and the first mounting cylinder
The second end it is affixed, the opening end of the second mounting cylinder and the train head lid sealing it is affixed；The blind end of second mounting cylinder
Provided with for the through hole through the second end of power transmission shaft, the device for sealing magnetic fluid be arranged on the blind end of the second mounting cylinder with
Between power transmission shaft；Delivery port is provided with the top of second mounting cylinder；The train head lid is provided with water inlet.
4. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 3, it is characterised in that：
The device for sealing magnetic fluid includes magnetic fluid, O-ring seal, permanent magnet and magnetic pole, and the whole device for sealing magnetic fluid is set
Put in the installation through-hole of test unit, the permanent magnet closely surrounds the second end of the power transmission shaft, two magnetic poles point are listed in
The ring packing gap of magnetic fluid is filled out in being formed between the both sides of permanent magnet, and the magnetic pole and power transmission shaft；The O-shaped sealing
Circle is embedded on the outer wall of the magnetic pole, it is ensured that magnetic pole is sealed with installation through-hole.
5. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 1, it is characterised in that：
The drive device includes motor, first shaft coupling, torque signal coupler and second shaft coupling, the output shaft of the motor
It is connected by first shaft coupling with the input of the torque signal coupler, the output end of the torque signal coupler passes through
The input connection of second shaft coupling and gear unit；The motor, the torque signal coupler are arranged on the support
On sliding area；The signal input part of the signal output part and the controller of the torque signal coupler is electrically connected.
6. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 5, it is characterised in that：
The support include track, slide rail and fixed block, the slide rail be support sliding area, the track as support non-slip
Dynamic region；The track installation on the track, and the track along power transmission direction arrange, the slide rail with it is described
Track is slidably connected；It is provided with each two bolts hole of two rows on track, fixed block is fixed on track at two at this respectively by bolt
On；Slide rail carrying driver element, gear unit and test unit part accessory, slide rail lower end is furnished with what is be slidably connected with track
Wheel, track carrying train head lid is simultaneously bolted on the ground；The outlet pipeline, the inlet pipeline pass through support frame
It is erected on the track of support.
7. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 1, it is characterised in that：
The inwall of first mounting cylinder, which is provided with two spring bearings, one of spring bearing, is furnished with bearings, the transmission
Transmission shaft through-hole of the axle in bearings, and the two keeps sealing to rotate connection.
8. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 7, it is characterised in that：
The power transmission shaft is Step Shaft, and the second end distal end faces of power transmission shaft test exemplar axial movement equipped with anti-water-proof wing surface
Spindle nose retainer ring, the power transmission shaft is affixed by the sunk screw mounted in its end and the axle sleeve retainer ring；The transmission
Second end of axle is connected with being enclosed on the hydrofoil surface experiment exemplar key of its outer wall, wherein one end of exemplar is tested on the hydrofoil surface
It is against on the step surface of power transmission shaft, the other end is against on the end face of spindle nose retainer ring.
9. a kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect as claimed in claim 2, it is characterised in that：
The bottom of the cylinder of first mounting cylinder is provided with the first leakage fluid dram of the bolt of band first；The bottom of second mounting cylinder is provided with the spiral shell of band second
Second leakage fluid dram of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099546.6U CN206563646U (en) | 2017-01-23 | 2017-01-23 | A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099546.6U CN206563646U (en) | 2017-01-23 | 2017-01-23 | A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563646U true CN206563646U (en) | 2017-10-17 |
Family
ID=60029024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720099546.6U Expired - Fee Related CN206563646U (en) | 2017-01-23 | 2017-01-23 | A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596049A (en) * | 2017-01-23 | 2017-04-26 | 浙江工业大学 | Test device for non-smooth hydrofoil surface drag reduction effect test |
| CN109253856A (en) * | 2018-09-29 | 2019-01-22 | 浙江工业大学 | A kind of different structure wall surface drag reduction test device based under varying environment |
-
2017
- 2017-01-23 CN CN201720099546.6U patent/CN206563646U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596049A (en) * | 2017-01-23 | 2017-04-26 | 浙江工业大学 | Test device for non-smooth hydrofoil surface drag reduction effect test |
| CN106596049B (en) * | 2017-01-23 | 2023-03-31 | 浙江工业大学 | Testing device for testing drag reduction effect of non-smooth hydrofoil surface |
| CN109253856A (en) * | 2018-09-29 | 2019-01-22 | 浙江工业大学 | A kind of different structure wall surface drag reduction test device based under varying environment |
| CN109253856B (en) * | 2018-09-29 | 2024-05-24 | 浙江工业大学 | Wall drag reduction testing device with different structures based on different environments |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106596049A (en) | Test device for non-smooth hydrofoil surface drag reduction effect test | |
| CN103063404B (en) | Testing device applied to drag reducing testing of jet flow surface and non-smooth surface | |
| CN104458189B (en) | Process layout method for conventional hypersonic speed wind tunnel | |
| CN102183356B (en) | Device for testing fluid friction resistance | |
| CN103148998B (en) | Automotive rotary sealing ring testing device and testing method thereof | |
| CN105424319B (en) | Based on bionical submerged jet surface drag reduction test device | |
| CN206563646U (en) | A kind of experimental rig tested Non-smooth surface hydrofoil surface drag-reduction effect | |
| CN106678056B (en) | A kind of general-purpose centrifugal pump choma testing stand | |
| CN206957586U (en) | A kind of underground drag reduction speed-raising oscillator | |
| CN102226736A (en) | Testing apparatus for evaluating drag-reduction effects of bionic non-smooth surface and bionic jet surface | |
| CN109869105A (en) | A kind of well system and its boring method | |
| CN103195387A (en) | Downhole radial casing window opener | |
| CN201391312Y (en) | Drill string and drilling fluid coupling dynamical behavior research testing table | |
| CN203035142U (en) | Downhole plug-valve-type impulsator | |
| CN103575501A (en) | Experimental device suitable for testing friction resistance of jet flow surface and non-smooth surface | |
| CN109708823B (en) | Testing device and testing method for testing rotary sealing structure | |
| CN106641575B (en) | A kind of bypass valve type automatic speed regulation wiper | |
| CN108982100A (en) | A kind of power flow mechanical close formula manual automotive gearboxes experimental bench | |
| CN206376971U (en) | A kind of down-hole electric generating apparatus | |
| CN203835259U (en) | Vehicle-mounted inclined well drilling machine | |
| CN105890900B (en) | A kind of well drilling tool bearing tester | |
| CN215678437U (en) | Test bed for rotating speed controller of small and medium-sized motor of locomotive | |
| CN103776761B (en) | A kind of inward turning vertical bionic, drag-reducing test experiments platform | |
| CN106121994B (en) | A kind of lubricant pump test-bed | |
| CN206753930U (en) | A kind of general-purpose centrifugal pump choma testing stand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20200123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |