CN107063630A - A kind of ship model wave load test frock - Google Patents
A kind of ship model wave load test frock Download PDFInfo
- Publication number
- CN107063630A CN107063630A CN201710241948.XA CN201710241948A CN107063630A CN 107063630 A CN107063630 A CN 107063630A CN 201710241948 A CN201710241948 A CN 201710241948A CN 107063630 A CN107063630 A CN 107063630A
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- connecting rod
- ship model
- girder
- load test
- wave load
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention relates to ship model wave load test technical field, refer in particular to a kind of ship model wave load test frock, including girder, and it is connected to the mounting bracket and connecting rod of girder both sides, the end of the girder is equipped with fixed pulley, the first end of the connecting rod is connected on the rope of the fixed pulley, and the second end of the connecting rod is provided with Double-directional rotary bearing assembly.The ship model wave load test frock of the present invention, it is ensured that test model can obtain preferable motor imagination on six-freedom degree in seaway load process of the test.
Description
Technical field
The present invention relates to ship model wave load test technical field, a kind of ship model wave load test frock is referred in particular to.
Background technology
In existing ship and marine structure model test, tried especially for the hydrodynamic force seaway load of model
Test, it is necessary to be controlled by the motor imagination of 6 direction frees degree of ship model, typically using trailer in towing basin
Ship model is pulled, the wave action needed for then being manufactured using wave maker is in ship model, because the structure limitation of trailer, ship
The motor imagination of 6 frees degree can not be controlled well in wave, cause to obtain difficulty data in process of the test, or even nothing
Method obtains reliable data.In order to obtain preferable test data, it is necessary to be improved trailer or made specific frock,
But it is unrealistic that trailer configuration, which is improved, so only making specific frock is only preferable solution.
The content of the invention
The purpose of the present invention is to propose to a kind of ship model wave load test frock, it is ensured that in seaway load process of the test pilot scale
Preferable motor imagination can be obtained on six-freedom degree by testing model.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：A kind of ship model wave load test frock, bag
Girder is included, and is connected to the mounting bracket and connecting rod of girder both sides, the end of the girder is equipped with fixed pulley, described
The first end of connecting rod is connected on the rope of the fixed pulley, and the second end of the connecting rod is provided with Double-directional rotary bearing group
Part.
According to above scheme, two end faces of the girder are designed with fixed pulley, the rope of the fixed pulley respectively
It is connected with connecting rod.
According to above scheme, the end of the girder has slide rail, and the first end of the connecting rod is provided with roller, the rolling
Wheel coordinates with the slide rail, so that the connecting rod can move back and forth along the slide rail.
According to above scheme, the roller is eccentric wheel.
According to above scheme, the end of the girder has offers multiple be arranged side by side on installing plate, the installing plate
Mounting hole, multiple connecting holes being arranged side by side are offered on the slide rail, any one described connecting hole is pacified with any one
Fill hole and installation is coordinated by bolt.
According to above scheme, sleeve pipe is set with the connecting rod, the connecting rod can be relatively moved with described sleeve pipe, and
And the first end of the connecting rod has external diameter more than the pole cap of described sleeve pipe internal diameter, the rope of the pole cap and the fixed pulley
It is fixedly connected.
According to above scheme, the mounting bracket is truss, and a side of the mounting bracket is vertical with the girder
Set.
According to above scheme, the side vertical with the girder is provided with rotating shaft on the mounting bracket, and the mounting bracket passes through
The rotating shaft rotationally coordinates with the girder；Have on the mounting bracket on arc, the arc along the arc
Multiple positioning holes are abreast offered, the girder is provided with spacing hole, and the positioning hole passes through alignment pin with the spacing hole
Coordinate positioning.
According to above scheme, the Double-directional rotary bearing assembly includes the first transverse axis, clutch shaft bearing, the second transverse axis and second
Bearing, first transverse axis is rotationally assemblied in the clutch shaft bearing, and second transverse axis is rotationally assemblied in described
In second bearing, the second bearing is regularly embedded in first transverse axis, and first transverse axis and described second
Transverse axis is vertically arranged, and the clutch shaft bearing is connected to the second end of the connecting rod.
According to above scheme, the clutch shaft bearing is regularly embedded in First body, and the second end of the connecting rod is consolidated
Surely it is connected on first pedestal；The second pedestal is fixedly connected with second transverse axis.
By test tool of the invention specific, ship model can be connected on trailer, make test tool turn into ship model and
In attachment structure between trailer, the traveling process of trailer, ship model is pulled by test tool and moved together in experimental tank
It is dynamic, the scene that simulation ship model is advanced in water.Specifically, ship model is connected on Double-directional rotary bearing assembly, by mounting bracket again
Test tool and ship model are co-mounted on trailer.During traveling, due to passing through pulley between connecting rod and girder
Connected mode, can be moved freely along the axial direction upper connecting rod of connecting rod, and ship model just can be along connecting rod axially self
It is mobile, i.e., it can move freely in vertical direction, while other parts pair that connecting rod can also be eliminated and be connected thereto
The influence that process of the test is caused；Because ship model is arranged on Double-directional rotary bearing assembly, in the horizontal direction two can be realized simultaneously
It is individual it is crisscross on freely wave, i.e., horizontal and vertical freely waves.The present invention is simple in construction, and cost is relatively low, Ke Yibao
Demonstrate,prove ship model and rolling, the motion in three directions of pitching and heaving are produced in seaway load experiment, and on this six direction
Preferable motor imagination can be obtained.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the positive structure schematic of the present invention；
Fig. 3 is the structure top view of the present invention；
Fig. 4 is the Double-directional rotary bearing component construction cut-away view of the present invention.
In figure：10th, girder；20th, mounting bracket；30th, connecting rod；40th, Double-directional rotary bearing assembly；11st, fixed pulley；12nd, it is sliding
Rail；13rd, installing plate；14th, mounting hole；15th, connecting hole；16th, spacing hole；21st, rotating shaft；22nd, arc；23rd, positioning hole；31st, roll
Wheel；32nd, sleeve pipe；33rd, pole cap；41st, the first transverse axis；42nd, clutch shaft bearing；43rd, the first pedestal；44th, the second rotating shaft；45th, the second axle
Hold；46th, the second pedestal.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of ship model wave load test frock of the present invention, including girder 10, Yi Jifen
The mounting bracket 20 and connecting rod 30 of the both sides of girder 10 are not connected to, and the end of the girder 10 is equipped with fixed pulley 11, the company
The first end of extension bar 30 is connected on the rope of the fixed pulley 11, and the second end of the connecting rod 30 is provided with Double-directional rotary axle
Bearing assembly 40.By test tool of the invention specific, ship model can be connected on trailer, make test tool turn into ship model and
In attachment structure between trailer, the traveling process of trailer, ship model is pulled by test tool and moved together in experimental tank
It is dynamic, the scene that simulation ship model is advanced in water.Specifically, ship model is connected on Double-directional rotary bearing assembly 40, passes through mounting bracket
20 are again co-mounted to test tool and ship model on trailer.During traveling, due to leading between connecting rod 30 and girder 10
The connected mode of pulley is crossed, can be moved freely along the axial direction upper connecting rod 30 of connecting rod 30, ship model just can be along even
Extension bar 30 is axially self moved, i.e., can move freely in vertical direction, while can also eliminate connecting rod 30 and be connected to
The influence that other parts thereon are caused to process of the test；Because ship model is arranged on Double-directional rotary bearing assembly 40, Ke Yitong
Shi Shixian in the horizontal direction two it is crisscross on freely wave, i.e., horizontal and vertical freely waves.Structure letter of the present invention
Single, cost is relatively low, it is ensured that ship model produces rolling, the motion in three directions of pitching and heaving in seaway load experiment, and
And preferable motor imagination can be obtained on this six direction.
Two end faces of the girder 10 are designed with the company of being respectively connected with fixed pulley 11, the rope of the fixed pulley 11 respectively
Extension bar 30.The head and the tail two ends of ship model are connected to by two connecting rods 30 of the both ends of the surface of girder 10, allow ship model with connecting
Extension bar 30 is synchronized with the movement, it is ensured that the uniformity of the two motion.
The end of the girder 10 has slide rail 12, and the first end of the connecting rod 30 is provided with roller 31, the roller 31
Coordinate with the slide rail 12, so that the connecting rod 30 can move back and forth along the slide rail 12.When connection-rod is in girder 10
When end face axial is moved, it is engaged by roller 31 with slide rail 12, radial positioning can be carried out to connecting rod 30 and axially directed,
The collision influence occurred between connecting rod 30 and girder 10 can be eliminated, while can also reduce when connecting rod 30 is moved axially
The influence that frictional force is caused.Preferably, the roller 31 is eccentric wheel, by the roller 31 of eccentric setting, connecting rod 30 is existed
When being moved along slide rail 12, the distance between end face of connecting rod 30 and girder can be adjusted within the specific limits, can further be disappeared
The shadow that frictional force when being moved axially except the collision influence and reduction connecting rod 30 that occur between connecting rod 30 and girder 10 is caused
Ring.
The end of the girder 10 has offers multiple mounting holes being arranged side by side on installing plate 13, the installing plate 13
14, multiple connecting holes 15 being arranged side by side are offered on the slide rail 12, any one described connecting hole 15 is pacified with any one
Fill hole 14 and installation is coordinated by bolt.Installation fixation is carried out through connecting hole 15 and mounting hole 14 by bolt, slide rail 12 can be made
Any a pair of holes of choosing coordinates installation as needed with installing plate 13, just can so adjust the phase between slide rail 12 and girder 10
To position, different mounting conditions are adapted to.
Specifically, sleeve pipe 32 is set with the connecting rod 30, the connecting rod 30 can be relatively moved with described sleeve pipe 32,
And the first end of the connecting rod 30 have external diameter be more than the internal diameter of described sleeve pipe 32 pole cap 33, the pole cap 33 with it is described fixed
The rope of pulley 11 is fixedly connected.Connecting rod 30 is connected by pole cap 33 with the rope of fixed pulley 11, sleeve pipe 32 and installing plate
13 are fixedly connected, and connecting rod 30 is slidably received against being connected on installing plate 13 by movable pulley, can eliminate its deadweight to ship
The influence of mould inertia, can further increase counterweight in sleeve pipe 32, and counterweight is connected to the rope other end of fixed pulley 11, with
The effect that complete equipilibrium connecting rod 30 is conducted oneself with dignity is reached, influence of the connecting rod 30 to ship model inertia is completely eliminated.
As depicted in figs. 1 and 2, the mounting bracket 20 is truss, and a side and the master of the mounting bracket 20
Beam 10 is vertically arranged, it is ensured that the overall security and connective stability of test tool.Further, as shown in figure 3, described
On mounting bracket 20 side vertical with the girder 10 be provided with rotating shaft 21, the mounting bracket 20 by the rotating shaft 21 rotationally
Coordinate with the girder 10；Have on the mounting bracket 20 on arc 22, the arc 22 and abreast opened along the arc
Provided with multiple positioning holes 23, the girder 10 is provided with spacing hole 16, and the positioning hole 23 passes through positioning with the spacing hole 16
Pin coordinates positioning, and preferably arc 22 is semicircle, and positioning hole 23 is booked on semicircular circumference, makes mounting bracket 20 and girder
10 can adjust connection angle, and can be after the adjustment any angle on position and be fixed up, facilitate mounting bracket 20
Ground is installed to trailer, while ship model can also be made when carrying out the oblique wave experiment of different angles, ship model can keep advancing with trailer
Direction is angled, meets oblique wave test requirements document.
As shown in figure 4, the Double-directional rotary bearing assembly 40 includes the first transverse axis 41, clutch shaft bearing 42, the second transverse axis 44
With second bearing 45, first transverse axis 41 is rotationally assemblied in the clutch shaft bearing 42, and second transverse axis 44 can turn
It is assemblied in dynamicly in the second bearing 45, the second bearing 45 is regularly embedded in first transverse axis 41, and institute
State the first transverse axis 41 to be vertically arranged with second transverse axis 44, the clutch shaft bearing 42 is connected to the second of the connecting rod 30
End, the second transverse axis 44 be free state, fixed at the trial with ship model, realize ship model level it is two-way on freely swing.It is excellent
Selection of land, the clutch shaft bearing 42 is regularly embedded in the first pedestal 43, and the second end of the connecting rod 30 is fixedly connected on institute
State on the first pedestal 43；The second pedestal 46 is fixedly connected with second transverse axis 44, the second pedestal 46 is fixedly connected with ship model,
The two ends of Double-directional rotary bearing assembly 40 are made easily can be connected with connecting rod 30 and ship model.
Before experiment is carried out, testing crew needs first to carry out some simple installations and connection procedure.First, according to wave
The angle requirement of experiment, the alignment pin between arc 22 and girder 10 is extracted, and rotational installation frame 20 makes mounting bracket 20 and master
Beam 10 turns to suitable angle, then alignment pin is inserted into the spacing hole 16 on the positioning hole 23 and good beam on arc 22
It is interior, mounting bracket 20 is fixed with girder 10；Mounting bracket 20 and trailer are connected by bolt；By bolt by ship model
It is connected with the second pedestal 46；Complete just to complete installation and connection procedure after above-mentioned steps.Trailer control will be passed through
Ship model is put into experimental tank by test tool, and then trailer starts to advance, and ship model just and then advances in pond.Due to ship model
It is connected between test tool by Double-directional rotary bearing assembly 40, ship model can freely be transported in the horizontal and vertical of horizontal plane
It is dynamic, the free degree of the roll and pitch of ship model just can be realized, the motor imagination of this two direction coideals is produced；Meanwhile, by
It is connected between connecting rod 30 and girder 10 by fixed pulley 11, and ship model is connected with connecting rod 30, such connecting rod 30
Just it can be moved freely in vertical direction between girder 10, the motion that ship model just can occur in vertical direction coideal rings
Should.Therefore, by the test tool of the present invention, ship model can be made to produce rolling, the free movement in three directions of pitching and heaving,
Free movement pattern of the simulation ship model in wave, obtains the motor imagination ginseng on preferable three dimension six directions completely
Number, improves the comfort level of experiment and the accuracy of data acquisition, while the ship model wave that may also adapt to different angles is carried
Lotus requires.
Described above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (10)
1. a kind of ship model wave load test frock, it is characterised in that including girder, and it is connected to the peace of girder both sides
Shelve and connecting rod, the end of the girder is equipped with fixed pulley, and the first end of the connecting rod is connected to the fixed pulley
On rope, the second end of the connecting rod is provided with Double-directional rotary bearing assembly.
2. ship model wave load test frock according to claim 1, it is characterised in that two end faces of the girder point
It is not designed with being respectively connected with connecting rod on fixed pulley, the rope of the fixed pulley.
3. ship model wave load test frock according to claim 1 or 2, it is characterised in that the end tool of the girder
There is slide rail, the first end of the connecting rod is provided with roller, and the roller coordinates with the slide rail, so that the connecting rod can edge
The slide rail moves back and forth.
4. ship model wave load test frock according to claim 3, it is characterised in that the roller is eccentric wheel.
5. ship model wave load test frock according to claim 3, it is characterised in that the end of the girder has peace
Fill to offer on plate, the installing plate and multiple companies being arranged side by side are offered on multiple mounting holes being arranged side by side, the slide rail
Hole is connect, any one described connecting hole is coordinated with any one mounting hole by bolt to be installed.
6. ship model wave load test frock according to claim 1 or 2, it is characterised in that be set with the connecting rod
There is sleeve pipe, the connecting rod can be relatively moved with described sleeve pipe, and the first end of the connecting rod has external diameter more than described
The pole cap of casing inner diameter, the pole cap is fixedly connected with the rope of the fixed pulley.
7. ship model wave load test frock according to claim 1 or 2, it is characterised in that the mounting bracket is truss,
And a side and the girder of the mounting bracket are vertically arranged.
8. ship model wave load test frock according to claim 7, it is characterised in that with the master on the mounting bracket
The vertical side of beam is provided with rotating shaft, and the mounting bracket is rotationally coordinated by the rotating shaft with the girder；The mounting bracket
Above with arc, multiple positioning holes are abreast offered along the arc on the arc, the girder is provided with spacing
Hole, the positioning hole is positioned with the spacing hole by detent fit.
9. ship model wave load test frock according to claim 1 or 2, it is characterised in that the Double-directional rotary bearing
Component includes the first transverse axis, clutch shaft bearing, the second transverse axis and second bearing, and first transverse axis is rotationally assemblied in described the
In one bearing, second rotating shaft is rotationally assemblied in the second bearing, and the second bearing is regularly embedded in institute
State in the first transverse axis, and first transverse axis is vertically arranged with second transverse axis, and the clutch shaft bearing is connected to the company
Second end of extension bar.
10. ship model wave load test frock according to claim 9, it is characterised in that the clutch shaft bearing is regularly
It is embedded in First body, the second end of the connecting rod is fixedly connected on first pedestal；It is solid on second transverse axis
Surely it is connected with the second pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241948.XA CN107063630A (en) | 2017-04-12 | 2017-04-12 | A kind of ship model wave load test frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241948.XA CN107063630A (en) | 2017-04-12 | 2017-04-12 | A kind of ship model wave load test frock |
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| Publication Number | Publication Date |
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| CN107063630A true CN107063630A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710241948.XA Pending CN107063630A (en) | 2017-04-12 | 2017-04-12 | A kind of ship model wave load test frock |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186648A (en) * | 2019-06-19 | 2019-08-30 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Seaway load free sailing model ship tests protective device and its application method |
| CN111114713A (en) * | 2019-12-19 | 2020-05-08 | 中国船舶工业集团公司第七0八研究所 | Towing device |
| CN112729767A (en) * | 2020-12-28 | 2021-04-30 | 武汉理工大学 | Multifunctional ship model performance tester |
| CN113029799A (en) * | 2021-03-31 | 2021-06-25 | 武汉理工大学 | Detachable surface load loading device |
| CN114813034A (en) * | 2022-03-30 | 2022-07-29 | 武汉理工大学 | Oblique automatic magnetic control slamming water test device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186648A (en) * | 2019-06-19 | 2019-08-30 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Seaway load free sailing model ship tests protective device and its application method |
| CN110186648B (en) * | 2019-06-19 | 2020-10-30 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Wave load self-propelled ship model test protection device and use method thereof |
| CN111114713A (en) * | 2019-12-19 | 2020-05-08 | 中国船舶工业集团公司第七0八研究所 | Towing device |
| CN112729767A (en) * | 2020-12-28 | 2021-04-30 | 武汉理工大学 | Multifunctional ship model performance tester |
| CN113029799A (en) * | 2021-03-31 | 2021-06-25 | 武汉理工大学 | Detachable surface load loading device |
| CN114813034A (en) * | 2022-03-30 | 2022-07-29 | 武汉理工大学 | Oblique automatic magnetic control slamming water test device |
| CN114813034B (en) * | 2022-03-30 | 2023-06-20 | 武汉理工大学 | Oblique automatic magnetic control slamming water-entering test device |
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Application publication date: 20170818 |