CN107063633A - Water pool model tests anchoring system pretension high-speed adjustment device - Google Patents
Water pool model tests anchoring system pretension high-speed adjustment device Download PDFInfo
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- CN107063633A CN107063633A CN201710466532.8A CN201710466532A CN107063633A CN 107063633 A CN107063633 A CN 107063633A CN 201710466532 A CN201710466532 A CN 201710466532A CN 107063633 A CN107063633 A CN 107063633A
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- ratchet
- water pool
- anchoring system
- pretension
- adjustment axis
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004873 anchoring Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 title claims description 24
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 17
- 238000002474 experimental method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- 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 water pool model experiment anchoring system pretension high-speed adjustment device, including bottom plate, support, adjustment axis, the support is fixed on bottom plate, the adjustment axis is rack-mount, the different concentric ratchet of two numbers of teeth is at least fixed in adjustment axis, the ratchet being engaged with each ratchet is arranged on support by respective switching shaft；The switching shaft band pawl has with ratchet to be engaged, not to engage two stations；Adjustment axis is provided with latch closure, and handwheel is fixed with the side of adjustment axis, and the handwheel is arranged on the outside of ratchet, and rotation hand wheel drives ratchet synchronous axial system.The present invention realizes conversion of the regulation of pretension from coarse adjustment to fine setting using the combination of multigroup ratchet, simplifies pretension regulation process；There is locking function adjust simultaneously after the completion of, reduce the time needed for pretension regulation, it is ensured that experiment is effective in order to be carried out.
Description
Technical field
The present invention relates to ocean engineering field, and in particular to a kind of water pool model experiment anchoring system pretension is quickly adjusted
Device.
Background technology
When pretension refers to mooring structure hydrostatic balance, the tension force on heaving pile top, when this tension force shows constitutional balance, heaving pile
There is active force to float structure.The difference of pretension size means that heaving pile is different for the restoring force that structure is provided, and this will be direct
Affect the motion frequency and motor imagination of structure.The final stress of hawser and platform motion width can be reduced by applying reasonable pretension
Degree, is more beneficial for anchoring system stability.In actual application, either ship is led in the stop of harbour or ocean engineering
Domain, the pretension of mooring is required for providing a stable scheme.
In existing mooring analysis theories, phase is tested using Computer Simulation, theoretical values model and water pool model
With reference to mode carry out.Wherein in water pool model experiment, during being tested according to actual model, each hawser is pre-
The regulation of tension force be one it is very long, uninteresting, waste a large amount of human and material resources, the thing of financial resources.
The reading of pretension is, by setting pulling force sensor on every hawser, to be incited somebody to action by sensor in water pool model experiment
Pulling force numeric feedback on mooring line carries out reading on pulling force dynamometer.
The adjusting method of existing mooring line pretension has two kinds：One is to adjust mooring by changing the length of mooring line
Pulling force on cable, common mode is that iron leg silk is connected on the one end being connected in mooring line with floating body, is rule of thumb estimated pair
Roll over iron wire length, form that open buckling is hung on test model it is pre- make at cable point, read reading；Show value does not exist
During teachings value, the length of mooring line doubling iron wire again is removed, again reading；So adjust repeatedly until pulling force dynamometer
Needed for upper feedback pretension reaches in the pretension error range of target, iron wire fixation mooring line then is tightened by intersecting, but
It is that in the process for tightening fixed mooring line pretension can be caused to change again to depart from outside error range, result in the need for re-starting tune
It is whole or increase error.Therefore the method defect is clearly, it is necessary to manually operated by empirical value, due to each regulation iron
The uncertainty and unstability of the yardstick of silk doubling, it is impossible to which accurate control adjusts the yardstick of the pretension of heaving pile every time so that
The process of adjustment is repeatedly cumbersome, and regulating time is very long, accounts for 2/3rds times of whole process of the test；
Two be the purpose that adjustment mooring line pretension is reached by changing the position of the water-bed fixing point of mooring, pond mould
Mooring line is often connected on a fixation weight in type experiment, and mooring is simulated with this in the position of water-bed fixing point, common
Mode is that mooring line is fixed on a big iron plate, and the position of the water-bed fixing point of mooring is changed by the position of mobile iron plate
To adjust pretension, the method can not control the yardstick adjusted every time as the above method, cause the repeatability of adjustment process,
And the method adjusts pretension change very greatly every time, can only accomplish adjustment pretension about, it is difficult to accomplish accurate, then have just
It is that the water-bed mooring point position of adjustment is relatively difficult, need to manually wears waterproof garment and be adjusted in pond, especially deep water test, when
When water level in water pool is deeper, increase manually adjusts the operation difficulty of mooring point position, if running into not natatory operating personnel, makes
Progress must be tested difficult.
For catenary anchoring system, the heaving pile pretension change that the position of adjustment mooring point is obtained is little, it is adaptable to
It is adjusted to close to after value range adjust using such a mode again；And for tension type or half tension type anchoring system, adjustment system
The heaving pile pretension that the position of pool point changes is larger, is only suitable for reaching near target tension value, it is also difficult to adjust to target and open in advance
Power, therefore be both the above adjustment mode phase during actual water pool model experiment anchoring system pretension quickly adjustment
Mutually use cooperatively.
But both the above method is all very cumbersome time-consuming, very high especially is required to the skilled operation degree of testing crew, is led to
Normal 6, the pretension adjustment of 7 pieces mooring lines needs 2,3 hours could complete, and actual water pool model is subject to stormy waves stream in testing
The time simulated only needs or so half an hour, and pretension adjusted slow very big, the industry of deadline influence on entirely testing
Expense needed for interior water pool model experiment is that sizable, general stormy waves flowing water pond daily rental fee reaches tens thousand of members, so water
Pond experiment needs are rapidly completed.Therefore, how quickly, accurately, simply adjust heaving pile pretension has important Practical significance.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of quick, accurate, simple regulation heaving pile pretension dress
Put, apply in the simulated test of pond, reduction human and material resources, financial resources.
The technical solution used in the present invention is as follows：
Water pool model experiment anchoring system pretension high-speed adjustment device, including bottom plate, support, adjustment axis, the branch
Frame is fixed on bottom plate, and the adjustment axis is rack-mount, and the different concentric spine of two numbers of teeth is at least fixed in adjustment axis
Wheel, the ratchet being engaged with each ratchet is arranged on support by respective switching shaft；Switching shaft band pawl and the ratchet
With engagement, two stations are not engaged；Adjustment axis is provided with latch closure, handwheel is fixed with the side of adjustment axis, the handwheel is set
Put on the outside of ratchet, rotation hand wheel drives ratchet synchronous axial system.
Further：The ratchet sets two, and respectively the first ratchet, the second ratchet are arranged on the two ends of adjustment axis.
Further：The ratchet sets two, and respectively the first ratchet, the second ratchet are arranged on the homonymy of adjustment axis.
Further：The ratchet is connected with switching shaft using key, and keyway is provided with ratchet, and bullet is provided with keyway
Spring.
Further：The switching shaft is arranged on the switching axis hole of support, and limited block is provided with switching shaft, described to cut
Change axis hole and be circumferentially with two stopper slots, limited block is chimeric with one of stopper slot.
Further：The limited block is that trapezoidal, matched stopper slot is dovetail groove.
Further：The bottom plate is provided with connection through hole.
Further：The material of whole device is composite.
Beneficial effect
The present invention is applied to ocean engineering water pool model and tests field, is a kind of new structure, is used first in the field
Adjustment pretension structure.
The present invention is one-way movement during use, while but also with non-return characteristic, with reference to this based on ratchet
Test model is actually needed multistage regulation, the click component that multigroup number of teeth is different is set in same adjustment axis, in mooring
The process of cable pretension regulation reaches the smooth transition having concurrently from coarse adjustment to fine setting, and after the regulation of each rank, locking,
This grade of special talent is in out of mesh state after the other ratchet of next stage is engaged with ratchet, it is ensured that pretension is kept in process of the test
In the state regulated.
The regulation process of the present invention is to drive adjustment axis rotation, the ratchet synchronous rotary for adjusting participation, behaviour using handwheel
Make easy and effective, rotate convenient, be difficult to skid, enormously simplify pretension regulation process, pretension tune can be effectively reduced
Time needed for section.
The whole device of the present invention uses polymer composite, and intensity is high and lightweight, reduces the device to experiment mould
The influence of the inherent characteristics such as center of gravity, the rotary inertia of type.
Brief description of the drawings
Fig. 1 is dimensional structure diagram one of the present invention；
Fig. 2 is dimensional structure diagram two of the present invention；
Fig. 3 is front view of the present invention；
Fig. 4 is pawl structures schematic diagram of the present invention；
Fig. 5 is A portions enlarged drawing in Fig. 4；
Fig. 6 is present invention switching axis hole schematic diagram；
Fig. 7 is another embodiment schematic diagram of the invention；
In figure：Bottom plate 1, bolt 11, support 2, switching axis hole 21, stopper slot 211, adjustment axis 3, latch closure 31, ratchet 4, the
One ratchet 41, the second ratchet 42, ratchet 5, keyway 51, spring 52, the first ratchet 53, the second ratchet 54, switching shaft 6, limited block
61, handwheel 7.
Embodiment
The present invention is described in further details with reference to specific embodiment and accompanying drawing.
Water pool model experiment anchoring system pretension high-speed adjustment device, including bottom plate, support, adjustment axis, the branch
Frame is fixed on bottom plate, and the adjustment axis is rack-mount, and the different concentric spine of two numbers of teeth is at least fixed in adjustment axis
Wheel, the ratchet being engaged with each ratchet is arranged on support by respective switching shaft；Switching shaft band pawl and the ratchet
With engagement, two stations are not engaged；Adjustment axis is provided with latch closure, handwheel is fixed with the side of adjustment axis, the handwheel is set
Put on the outside of ratchet, rotation hand wheel drives ratchet synchronous axial system.
As shown in figure 1, water pool model experiment anchoring system pretension high-speed adjustment device, including bottom plate, support, regulation
Axle, support is fixed on bottom plate, and adjustment axis is rack-mount, and the different concentric spine of two numbers of teeth is at least fixed in adjustment axis
Wheel, the ratchet being engaged with each ratchet is arranged on support by respective switching shaft；Switching shaft band pawl has with ratchet
Engage, do not engage two stations；Adjustment axis is provided with latch closure, is fixed with handwheel in the side of adjustment axis, handwheel is arranged on ratchet
Outside, rotation hand wheel drives ratchet synchronous axial system.
The concrete structure of adjustment axis is not limited herein, can be multi-diameter shaft, assembling installation process of the multi-diameter shaft in ratchet
The use of spacing positioning accessory is reduced, equally can also be to need to increase spacing Anti-skid sheet as ratchet if optical axis, optical axis
Axial restraint.Can be the lubricity that regulation is improved by bearings when adjustment axis is installed on support, or other branch
Support mode is not limited herein.
The space width of the particular number of ratchet, position and ratchet is not limited herein, as needed regulation pretension
Precision carries out multistage regulation or the space width to ratchet is defined, it is ensured that regulation is reliable.
The number of pawls being equally engaged with ratchet is according to the quantity set of ratchet, and ratchet is using not mutual shadow independent of one another
Loud switching shaft, after the ratchet adjustable of previous stage terminates, directly carries out the other regulation of next stage, is then cut by switching shaft
Change the ratchet for making this rank and ratchet leaves nip station, each other when being used cooperatively with ratchet, do not interfere with each other, held while playing
On open under work, the regulation before not resulting in is chaotic or situation of failure occurs.
The present invention utilizes the principle that ratchet is one-way movement during work is participated in, the spine for setting multiple numbers of teeth different
Wheel, realizes conversion of the pretension from coarse adjustment to fine setting, and simple in construction, classification regulation is rapid reliable.
The regulation process of the present apparatus is that mooring line is fixedly attached on latch closure, rotation hand wheel, and the pulling force on mooring line will
Change, by the way that in sensor feedback to dynamometer, according to the value of the numerical estimation distance objective pretension of feedback, switching is adjusted
Ratchet is saved, classification regulation is carried out, until reaching target zone value, locked.
When doing water pool model experiment before using the present apparatus, the pretension regulation of anchoring system has spent whole experiment hundred
/ eight ten time, but using after the present apparatus, the time of regulation is reduced to 30 percent, while one day before this
An experiment is done, after the present apparatus, test efficiency is improved, greatly reduces the input of research funding so that test fee
It is more reasonable with distributing, it is to avoid to waste.
In the present embodiment, ratchet as shown in Figure 1 sets two, and respectively the first ratchet, the second ratchet are arranged on regulation
The two ends of axle, two ratchets coordinate the regulation process of ratchet accordingly, make one in two ratchets to coordinate spine by switching shaft
Wheel participates in the regulation of pretension, and the two ends for the support that is placed in, and interference is not produced each other, while it also avoid operational error
Situation.
First ratchet, the second ratchet are arranged on to the homonymy of adjustment axis in the present embodiment, as shown in fig. 7, when by two
When the ratchet of the different numbers of teeth is arranged to side, corresponding ratchet is also accordingly placed into the same side, spatially avoids as far as possible
The generation interfered with each other.Each ratchet is both provided with matched ratchet, before next regulation starts at the ratchet of this rank
In locking state, after the other ratchet of next stage is engaged with ratchet, the cooperation of the ratchet and ratchet of format rank is sent, it is ensured that before
The regulation situation that will not fail or reverse.
Similarly, more multigroup regulation ratchet can be set, and the number of teeth of each ratchet is different, separate regulation rank, from coarse adjustment
Save thin tuning, then to more thin tuning, adjustable range extensively, because hierarchical level is more, after overregulation, is readjusted
The time needed is shorter, and regulation is faster, time saving.More stages adjusting means, its specific structure according to actual design it is reasonable with
And need to be set, dependency structure is deleted or increased, is not limited in the present invention.
Ratchet is connected with switching shaft using key, on ratchet be provided with keyway, in keyway be provided with spring, one end of spring with
Ratchet is fixed, and the other end is fixed on switching shaft.
Spring ensure that ratchet resets rapidly after pawl wheel, and ratchet is locked, prevent ratchet from turning round.
The switching shaft is arranged on the switching axis hole of support, and limited block, the switching axis hole week are provided with switching shaft
To provided with two stopper slots, limited block is chimeric with one of stopper slot.The two ends of switching shaft have spacing stop prevention action
Excessive limit shaft occurs with the situation that support departs from.
Switching shaft is moved axially along switching shaft hole when conversion station, until limited block and stopper slot disengaging,
Rotate in a circumferential direction switching shaft, to the position of another stopper slot, and limited block axially pushes back switching shaft into relative stopper slot, completes spine
Pawl is engaged or the conversion of out of mesh station with ratchet.
Operationally, the spigot surface of toroidal can be set in the end of stopper slot, is easy to limited block to enter stopper slot,
Improve conversion governing speed.
Limited block is that trapezoidal, matched stopper slot is dovetail groove.
Using the cooperation of trapezoidal limited block and dovetail groove, kinematic accuracy is high during switching, stable and reliable operation.
For the ease of whole device is installed on simulation ship or other positions：In bottom plate provided with connection through hole, use
Bolt or screw are fixed.With easy positioning, the convenient advantage installed.
In order to reduce influence of the present apparatus to this test model, the material of whole device is composite.Using composite wood
Whole device after material has that intensity is big, lightweight advantage, the influence of center of gravity and rotary inertia to whole test model compared with
It is small.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment and be applied to other fields, but every without departing from technical solution of the present invention content, the technical spirit according to the present invention
Any simple modification, equivalent variations and the remodeling made to above example, still fall within the protection domain of technical solution of the present invention.
Claims (8)
1. water pool model tests anchoring system pretension high-speed adjustment device, it is characterised in that：Including bottom plate, support, adjustment axis,
The support is fixed on bottom plate, and the adjustment axis is rack-mount, two numbers of teeth is at least fixed in adjustment axis different
Concentric ratchet, the ratchet being engaged with each ratchet is arranged on support by respective switching shaft；The switching shaft band pawl
Have with ratchet and engage, do not engage two stations；Adjustment axis is provided with latch closure, and handwheel is fixed with the side of adjustment axis, described
Handwheel is arranged on the outside of ratchet, and rotation hand wheel drives ratchet synchronous axial system.
2. water pool model tests anchoring system pretension high-speed adjustment device according to claim 1, it is characterised in that：It is described
Ratchet sets two, and respectively the first ratchet, the second ratchet are arranged on the two ends of adjustment axis.
3. water pool model tests anchoring system pretension high-speed adjustment device according to claim 1, it is characterised in that：It is described
Ratchet sets two, and respectively the first ratchet, the second ratchet are arranged on the homonymy of adjustment axis.
4. water pool model tests anchoring system pretension high-speed adjustment device according to Claims 2 or 3, it is characterised in that：
The ratchet is connected with switching shaft using key, and keyway is provided with ratchet, and spring is provided with keyway.
5. water pool model tests anchoring system pretension high-speed adjustment device according to claim 4, it is characterised in that：It is described
Switching shaft is arranged on the switching axis hole of support, and limited block is provided with switching shaft, and the switching axis hole is circumferentially with two limits
Position groove, limited block is chimeric with one of stopper slot.
6. water pool model tests anchoring system pretension high-speed adjustment device according to claim 5, it is characterised in that：It is described
Limited block is that trapezoidal, matched stopper slot is dovetail groove.
7. water pool model tests anchoring system pretension high-speed adjustment device according to claim 1, it is characterised in that：It is described
Bottom plate is provided with connection through hole.
8. water pool model tests anchoring system pretension high-speed adjustment device according to claim 1, it is characterised in that：Entirely
The material of device is composite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466532.8A CN107063633A (en) | 2017-06-20 | 2017-06-20 | Water pool model tests anchoring system pretension high-speed adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710466532.8A CN107063633A (en) | 2017-06-20 | 2017-06-20 | Water pool model tests anchoring system pretension high-speed adjustment device |
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| CN107063633A true CN107063633A (en) | 2017-08-18 |
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| CN201710466532.8A Pending CN107063633A (en) | 2017-06-20 | 2017-06-20 | Water pool model tests anchoring system pretension high-speed adjustment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533207A (en) * | 2018-11-19 | 2019-03-29 | 中国海洋大学 | A kind of water pool model test mooring line pretension automatic adjustment system |
| CN114281117A (en) * | 2022-03-04 | 2022-04-05 | 交通运输部天津水运工程科学研究所 | Anchoring device and method capable of finely regulating initial tension of mooring rope for mooring test |
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| CN101839815A (en) * | 2010-05-11 | 2010-09-22 | 浙江大学 | Installation and complex loading model testing platform for novel deep sea mooring foundation |
| US20120060740A1 (en) * | 2009-04-28 | 2012-03-15 | Nichola Eve Stevens | Method and Apparatus for Retracting Mooring Lines |
| CN104002925A (en) * | 2014-05-30 | 2014-08-27 | 江苏中兴水务有限公司 | Mooring apparatus of water intake pump ship |
| CN204924689U (en) * | 2015-08-28 | 2015-12-30 | 河海大学 | Boats and ships heaving pile power analogue means of physical model in experimental that moor |
| CN206862602U (en) * | 2017-06-20 | 2018-01-09 | 中国海洋大学 | Water pool model tests anchoring system pretension high-speed adjustment device |
-
2017
- 2017-06-20 CN CN201710466532.8A patent/CN107063633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394810Y (en) * | 1999-09-20 | 2000-09-06 | 黄汉卿 | Fixing frame for goods |
| US20120060740A1 (en) * | 2009-04-28 | 2012-03-15 | Nichola Eve Stevens | Method and Apparatus for Retracting Mooring Lines |
| CN101839815A (en) * | 2010-05-11 | 2010-09-22 | 浙江大学 | Installation and complex loading model testing platform for novel deep sea mooring foundation |
| CN104002925A (en) * | 2014-05-30 | 2014-08-27 | 江苏中兴水务有限公司 | Mooring apparatus of water intake pump ship |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533207A (en) * | 2018-11-19 | 2019-03-29 | 中国海洋大学 | A kind of water pool model test mooring line pretension automatic adjustment system |
| CN109533207B (en) * | 2018-11-19 | 2021-02-02 | 中国海洋大学 | Automatic adjusting method for pre-tension of mooring cable in pool model test |
| CN114281117A (en) * | 2022-03-04 | 2022-04-05 | 交通运输部天津水运工程科学研究所 | Anchoring device and method capable of finely regulating initial tension of mooring rope for mooring test |
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