CN104913987B - For testing ship anchor, optical cable is clashed into pilot system and the method for infringement - Google Patents
For testing ship anchor, optical cable is clashed into pilot system and the method for infringement Download PDFInfo
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- CN104913987B CN104913987B CN201510358254.5A CN201510358254A CN104913987B CN 104913987 B CN104913987 B CN 104913987B CN 201510358254 A CN201510358254 A CN 201510358254A CN 104913987 B CN104913987 B CN 104913987B
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Abstract
The present invention relates to a kind of pilot system and method that for testing ship anchor, optical cable is clashed into infringement, including hanging device, electronic dropout, ship anchor, chopping block, optical cable wire-unfolding rack, drum and test system；Hanging device is fixing connects electronic dropout, and electronic dropout is locked ship anchor；Chopping block is arranged on the underface of hanging device and fixing with the mattess of test site is connected；Place optical cable wire-unfolding rack near the position of chopping block, optical cable wire-unfolding rack is installed drum, drum is wound around and is provided with optical cable to be tested；Optical time domain reflectometer, for detecting the functional completeness of light unit in optical cable after completing bump test, detects break-make and the decay of signal in light unit, to judge the damaged condition of light unit；The most pressure resonator system, for electrically detecting optical cable after completing bump test, i.e. detects the trickle degree of impairment of insulating barrier and the compressive resistance of optical cable in high-tension laboratory；Electric wire digital measurement projector is for measuring electric unit insulating barrier deformation in the optical cable at rum point.
Description
Technical field
The present invention relates to a kind of pilot system for testing photoelectronic cable and method, be used for testing ship especially with regard to one
Optical cable is clashed into pilot system and the method for infringement by anchor.
Background technology
Sea floor optoelectronic composite cable (abbreviation optical cable) includes electric unit and light unit, passes with optical signal for electric power transmission
Defeated.Optical cable is laid under water, for the connection between land and island, island, between drilling platforms.
In the ascendant along with ocean development activity, the laying of Submarine Optical cable increases day by day, and the boats and ships anchor that falls (is called for short ship
Anchor) to the Injury accident of submarine cable in continual generation.Optical cable is the most damaged, causes power outage, will
Cause significant impact and loss to production and life.At present both at home and abroad in the test specification of submarine cable, all less than about
Optical cable resists to fall the verification experimental verification requirement of anchor collision performance, in prior art, has no that optical cable is clashed into infringement by anchor
Experimental study.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of test that for testing ship anchor, optical cable is clashed into infringement
System and method, can not only obtain the ship anchor of the different impact energy impact damage situation to optical cable, and can
Qualitative assessment falls the impact energy of anchor and optical cable damages the relation between deformation.
For achieving the above object, the present invention takes techniques below scheme: one is used for testing ship anchor and optical cable is clashed into damage
The test method of evil, it is characterised in that this test method comprises the following steps: 1) optical cable is carrying out ship anchor shock
Before test, optical cable to be tested is wound around and is arranged on drum, and drum is arranged on optical cable wire-unfolding rack；2)
Chopping block is arranged on the underface of hanging device, and the mattess of chopping block with the test place of production is fixed, and by photoelectricity
Cable pulls out appropriate length from drum, and the optical cable of pull-out is fixedly installed on chopping block top；3) electronic dropout is fixed
It is arranged on the suspension hook of hanging device, and ship anchor is locked in electronic dropout, surveying vessel anchor height of drop；4) start
Ship anchor is promoted to predetermined altitude by hanging device, adjusts the air position of ship anchor so that just to optical cable bottom ship anchor
Central axis；Testing crew is by remotely operating electronic dropout so that ship anchor freely falls shock optical cable；5) clash into
After off-test, use break-make and the signal attenuation of light unit in optical time domain reflectometer detection optical cable, it is determined that light unit
Damaged condition；6) optical cable completing the test of light Elementary Function is wrapped on drum, and pressure resonance is put in employing office
System detects the trickle degree of impairment of insulating barrier and the compressive resistance of optical cable in high-tension laboratory；7) optical cable electricity is completed
After gas detection, the optical cable section including rum point is peelled off armouring wire and leaches blue or green polypropylene rope and observe this optical cable
Electric unit and the deformation of light unit in Duan；And the insulating barrier of the electric unit at rum point is cut into slices, it is positioned over electric wire
On cable numeral measuring projector, measure and record the deformation of insulation section；8) can be obtained by above test procedure
To the ship anchor of the different impact energys impact damage situation to optical cable, the impact energy of qualitative assessment ship anchor and optical cable
Damage the relation between deformation.
Further, described electronic dropout include a Linear motor-driven push rod and the two-direction switch being used in combination, one connect ring,
One U-shaped clip and a rope made of hemp, the top of described Linear motor-driven push rod is fixedly installed described connection ring, and described connection ring leads to
Cross suspension ring to be connected with the suspension hook of described hanging device, the opening both sides of described U-shaped clip be fixedly installed on described directly
The motor both sides of line electric pushrod, the described rope made of hemp is solid for being connected with the push rod of described Linear motor-driven push rod by described ship anchor
Fixed；During use, first the described rope made of hemp is fastened through the snap close of described ship anchor and be located on described push rod, suitable described in operation
Switch makes described push rod stretch out certain length so that described U-shaped clip is fastened on described push rod and fastens the position setting the described rope made of hemp
Put, and make described U-shaped clip will not landing from described push rod, described ship anchor is sling one by described hanging device
After determining height, making described pusher retracted certain length by described two-direction switch, described U-shaped clip is from described push rod
While landing, the described rope made of hemp also comes off from described push rod, i.e. the free-falling of ship anchor.
Further, described ship anchor is the anchor of ship's fix, process of the test can use different height of drop,
Different Weight, different types of anchor, for studying the optical cable impact resistant capability to various anchors.
A kind of pilot system that for testing ship anchor, optical cable is clashed into infringement, it is characterised in that it includes that a lifting sets
Standby, an electronic dropout, a ship anchor, a chopping block, an optical cable wire-unfolding rack, a drum and a test system；Described
Test system includes an optical time domain reflectometer, the pressure resonator system in local and an electric wire digital measurement projector；
Described hanging device is fixing connects described electronic dropout, and described electronic dropout is locked described ship anchor；Described chopping block sets
Put in the underface of described hanging device and fixing with the mattess of test site be connected；Position near described chopping block
Optical cable wire-unfolding rack described in placement location, described optical cable wire-unfolding rack is installed described drum, and described drum is wound around
It is provided with optical cable to be tested；Described optical time domain reflectometer is for detecting light unit in optical cable after completing bump test
Functional completeness, the break-make of signal and decay in detection light unit, to judge the damaged condition of light unit；Described office
Resonator system that portion is pressure, for electrically detecting optical cable after completing bump test, is i.e. examined in high-tension laboratory
The trickle degree of impairment of insulating barrier of light-metering cable and compressive resistance；Described electric wire digital measurement projector is used for measuring
Electric unit insulating barrier deformation in optical cable at rum point.
Further, described electronic dropout include a Linear motor-driven push rod and the two-direction switch being used in combination, one connect ring,
One U-shaped clip and a rope made of hemp, the top of described Linear motor-driven push rod is fixedly installed described connection ring, and described connection ring leads to
Cross suspension ring to be connected with the suspension hook of described hanging device, the opening both sides of described U-shaped clip be fixedly installed on described directly
The motor both sides of line electric pushrod, the described rope made of hemp is connected with the push rod of described Linear motor-driven push rod for connecting described ship anchor
Fixing.
Further, described hanging device uses straddle truck or electric bicycle.
Further, described chopping block uses the steel plate of more than thickness 1cm.
Further, described pilot system also includes some aids, specifically include a slide gauge, a nylon rope,
One tape measure, a cutter and a handheld cable cast-cutting saw, wherein, described slide gauge be used for measuring shock after described light
The steel wire armoured cup depth of cable；Described nylon rope is for positioning the height of drop of described ship anchor；Described tape measure is used
In the length measuring described nylon rope；Described cutter is for cutting open the insulating sheath of electric unit in described optical cable, lead set
And waterstop, to observe the breakage and deformation measuring insulating barrier；Described handheld cable cast-cutting saw is for by described
Optical cable segmentation is cut, and is cut out by the partial cables at rum point place, peels off armouring wire, separates electric unit
With light unit, observe and record the appearance deformation of described electric unit and described smooth unit.
Due to the fact that and take above technical scheme, it has the advantage that 1, first the present invention starts lifting when testing
Ship anchor is promoted to predetermined altitude by equipment so that just central axis to optical cable bottom ship anchor, testing crew is by falling
Clockwise switch operates electronic dropout so that ship anchor can freely fall shock optical cable, and first adopts after bump test terminates
With the functional completeness of light unit in optical time domain reflectometer detection optical cable, detect break-make and the decay of signal in light unit,
To judge the damaged condition of light unit；Secondly use the pressure resonator system in local that optical cable is electrically detected, i.e. exist
High-tension laboratory detects the trickle degree of impairment of insulating barrier and the compressive resistance of optical cable；Finally use electric wire numeral
Electric unit insulating barrier deformation in the optical cable at rum point measured by measuring projector, and therefore, the present invention can obtain
The ship anchor of the different impact energys impact damage situation to optical cable, the impact energy of qualitative assessment ship anchor is damaged with optical cable
Relation between bad deformation, and test philosophy of the present invention is simple, can directly utilize the existing field of Hai Lan manufacturing enterprise
Space, ground and laboratory, make full use of existing place and appointed condition, and cost-effective, execute-in-place is time saving and energy saving, right
Engineering practice has stronger practicality with properties of product checking.2, the electronic dropout of the present invention is for releasing ship anchor from the air
Putting and make its free-falling, during use, first fastened through the snap close of ship anchor by the rope made of hemp and be located on push rod, testing crew operates
Two-direction switch makes push rod stretch out suitable length so that U-shaped clip is fastened on push rod and fastens and set rope made of hemp position, and ensures
U-shaped clip will not landing from push rod, ship anchor sling after certain altitude by hanging device, and testing crew is by suitable
Switch remote control electric line handspike make pusher retracted certain length, U-shaped clip from push rod while landing the rope made of hemp also from
Come off on push rod, i.e. the free-falling of ship anchor, therefore can change the wire length of motor, during test, pass through two-direction switch
Whole test is carried out remote control, the personal safety of testing crew is effectively ensured, and makes simple, load and unload and tie up
Repair very convenient.The present invention can be widely applied to simulation and analyzes the ship anchor impact damage to sea cable, or judges sea
The resistivity that ship anchor is clashed into by cable self.
Accompanying drawing explanation
Fig. 1 is the structural representation of pilot system of the present invention；
Fig. 2 is the structural representation of the electronic dropout of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is carried out detailed description.It should be appreciated, however, that being provided only more of accompanying drawing
Understanding the present invention well, they should not be interpreted as limitation of the present invention.
As it is shown in figure 1, the pilot system that for testing ship anchor, optical cable is clashed into infringement of the present invention, including a lifting
Electronic dropout 2, ship anchor 3, chopping block 4, optical cable wire-unfolding rack 5, drum 6 of equipment 1, one and test
System (not shown)；Test system includes an optical time domain reflectometer (OTDR), a local pressure resonator system and
Electric wire digital measurement projector.
The suspension hook 11 of hanging device 1 connects electronic dropout 2 surely, and electronic dropout 2 is locked ship anchor 3；Chopping block 4
It is arranged on the underface of hanging device 1 and fixing with the mattess of test site is connected；Position near chopping block 4
Placement location optical cable wire-unfolding rack 5, optical cable unwrapping wire 5 support is provided with drum 6, drum 6 is wound around setting and needs
Test optical cable 7.Optical time domain reflectometer is for detecting the fully functional of light unit in optical cable after completing bump test
Property, detect break-make and the decay of signal in light unit, to judge the damaged condition of light unit；The most pressure resonator system
For optical cable electrically being detected after completing bump test, in high-tension laboratory, i.e. detect the insulation of optical cable
The trickle degree of impairment of layer and compressive resistance；Electric wire digital measurement projector is for measuring in the optical cable at rum point
Electric unit insulating barrier deformation.
In a preferred embodiment, in order to ensure convenience and the stability that rum point positions, hanging device 1 can
To use straddle truck or electric bicycle.
In a preferred embodiment, in order to ensure that the impact energy of ship anchor 3 is applied to the optical cable clashed into substantially
On, and the mattess in protection test place, chopping block 4 can use the steel plate of more than thickness 1cm.
In a preferred embodiment, as in figure 2 it is shown, electronic dropout 2 is for making it by ship anchor 3 from aerial release
Free-falling, it include an existing Linear motor-driven push rod 21 and the two-direction switch being used in combination, one connect ring 22,
One suspension ring 23, U-shaped clip 24 and a rope made of hemp 25, the top of Linear motor-driven push rod 21 is fixedly installed connection ring 22,
Connecting ring 22 to be connect by the suspension hook 11 of suspension ring 23 with hanging device 1, the opening both sides of U-shaped clip 24 are fixing to be set
Putting motor 211 both sides at Linear motor-driven push rod 21, the rope made of hemp 25 is for pushing away ship anchor 3 and Linear motor-driven push rod 21
Bar 212 connects fixing；During use, first the snap close that the rope made of hemp 25 passes ship anchor 3 is fastened and be located on push rod 212, operation
Two-direction switch makes push rod 212 stretch out suitable length so that U-shaped clip 24 is fastened on push rod 212 and fastens and set the rope made of hemp 25 institute
In position, and ensure U-shaped clip 24 will not landing from push rod 212, ship anchor 3 is sling one by hanging device 1
After determining height, testing crew makes push rod 212 retract certain length by two-direction switch remote control electric line handspike 21, U
On type clip 24 push rod 212, while landing, the rope made of hemp 25 also comes off from push rod 212, i.e. ship anchor 3 free-falling.
In a preferred embodiment, ship anchor 3 is the anchor of ship's fix, can use difference in process of the test
Height of drop, Different Weight, different types of anchor, such as admiral anchor or Hall'sanchor, be used for studying optical cable to respectively
Plant the impact resistant capability of anchor.
In a preferred embodiment, above-mentioned pilot system can also include some aids, specifically includes a trip
Mark slide calliper rule, a nylon rope, a tape measure, a cutter and a handheld cable cast-cutting saw, wherein, slide gauge is used for surveying
The steel wire armoured cup depth of optical cable after amount shock；Nylon rope is for the height of drop of station keeping ship anchor；Tape measure is used for
Measure the length of nylon rope；Cutter is for cutting open the insulating sheath of electric unit in optical cable, lead set and waterstop, to see
Examine breakage and the deformation measuring insulating barrier；Handheld cable cast-cutting saw, for optical cable segmentation being cut, will clash into
The partial cables at some place cuts out, and peels off armouring wire, separates electric unit and light unit, observes and record electricity
Unit and the appearance deformation of light unit.
Describe in detail below in conjunction with specific embodiment and use the pilot system test ship anchor of the present invention that optical cable is clashed into infringement
Test method, comprise the following steps:
1, before optical cable is carried out ship anchor bump test, optical cable 7 to be tested is wound around and is arranged on drum 6,
And drum 6 is arranged on optical cable wire-unfolding rack 5, it is simple to the releasing of optical cable 7 and tightening up；
2, steel chopping block 4 is arranged on the underface of straddle truck 1, and by the concrete of steel chopping block 4 with the test place of production
Ground is fixed, and from drum 6, optical cable 7 is pulled out appropriate length, and the optical cable 7 of pull-out is fixedly installed on steel
Chopping block 4 top processed；
3, electronic dropout 2 is fixedly installed on the suspension hook of straddle truck 1, and ship anchor 3 is locked at electronic dropout 2
On, surveying vessel anchor 2 height of drop, the bottom marker ship anchor that one section of nylon rope system specifically can be used to tie up to ship anchor falls
Highly, then use tape measure nylon rope length, i.e. can get ship anchor height of drop；
4, start straddle truck 1 and ship anchor 3 is promoted to predetermined altitude, adjust the air position of ship anchor 3 so that ship anchor 3
Bottom just central axis to optical cable；Testing crew operates electronic dropout 2 by two-direction switch so that ship anchor can be certainly
By falling shock optical cable 7；
5, after bump test terminates, optical time domain reflectometer is used to survey break-make and the signal attenuation of light unit in detection optical cable,
Judge the damaged condition of light unit；
6, the optical cable 7 completing the test of light Elementary Function is twined and is located on drum, and employing office puts pressure resonator system and exists
High-tension laboratory detects the trickle degree of impairment of insulating barrier and the compressive resistance of optical cable；
7, complete after optical cable electrically detects, the optical cable section including rum point is peelled off armouring wire and leaches blue or green poly-
Propylene rope observes electric unit and the deformation of light unit in this optical cable section；And the insulating barrier of the electric unit at rum point is entered
Row section, is positioned on electric wire digital measurement projector, measures and record the deformation of insulation section, as absolutely
The average thickness of edge, insulation thinnest point thickness, insulation maximum point thickness and insulation eccentricity rate；
8, the ship anchor of the different impact energy impact damage situation to optical cable can be obtained by above test procedure, fixed
Impact energy and the optical cable of amount assessment ship anchor damage the relation between deformation.
The various embodiments described above are merely to illustrate the present invention, and the structure of the most each parts, connected mode and processing technology etc. are all
Can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, the most should not
Get rid of outside protection scope of the present invention.
Claims (9)
1. the test method that for testing ship anchor, optical cable is clashed into infringement, it is characterised in that this test method bag
Include following steps:
1) before optical cable is carried out ship anchor bump test, optical cable to be tested is wound around and is arranged on drum, and will
Drum is arranged on optical cable wire-unfolding rack；
2) chopping block is arranged on the underface of hanging device, and the mattess of chopping block with the test place of production is fixed, and
Optical cable is pulled out appropriate length from drum, and the optical cable of pull-out is fixedly installed on chopping block top；
3) electronic dropout is fixedly installed on the suspension hook of hanging device, and ship anchor is locked in electronic dropout, measure
Ship anchor height of drop；
4) start hanging device and ship anchor is promoted to predetermined altitude, adjust the air position of ship anchor so that bottom ship anchor just
Central axis to optical cable；Testing crew is by remotely operating electronic dropout so that ship anchor freely falls shock photoelectricity
Cable；
5), after bump test terminates, break-make and the signal attenuation of light unit in optical time domain reflectometer detection optical cable is used,
Judge the damaged condition of light unit；
6) optical cable completing the test of light Elementary Function is wrapped on drum, and pressure resonator system is put at height in employing office
Pressure test chamber detects the trickle degree of impairment of insulating barrier and the compressive resistance of optical cable；
7) complete after optical cable electrically detects, the optical cable section including rum point is peelled off armouring wire and leaches blue or green poly-
Propylene rope observes electric unit and the deformation of light unit in this optical cable section；And the insulating barrier of the electric unit at rum point is entered
Row section, is positioned on electric wire digital measurement projector, measures and record the deformation of insulation section；
8) can get the ship anchor of the different impact energys impact damage situation to optical cable by above test procedure, quantitatively
Impact energy and the optical cable of assessment ship anchor damage the relation between deformation.
A kind of test method that for testing ship anchor, optical cable is clashed into infringement, its feature
Being, described electronic dropout includes a Linear motor-driven push rod and the two-direction switch being used in combination, connection ring, a U
Type clip and a rope made of hemp, the top of described Linear motor-driven push rod is fixedly installed described connection ring, and described connection ring passes through one
Suspension ring are connected with the suspension hook of described hanging device, and the opening both sides of described U-shaped clip are fixedly installed on described straight-line electric
The motor both sides of dynamic push rod, the described rope made of hemp is fixing for being connected with the push rod of described Linear motor-driven push rod by described ship anchor；
During use, first the described rope made of hemp is fastened through the snap close of described ship anchor and be located on described push rod, operate described two-direction switch
Described push rod is made to stretch out certain length so that described U-shaped clip is fastened on described push rod and fastens the position setting the described rope made of hemp,
And make described U-shaped clip will not landing from described push rod, described ship anchor is sling certain high by described hanging device
After degree, make described pusher retracted certain length, described U-shaped clip landing from described push rod by described two-direction switch
While the described rope made of hemp also come off from described push rod, i.e. ship anchor free-falling.
A kind of test method that for testing ship anchor, optical cable is clashed into infringement, its
Being characterised by, described ship anchor is the anchor of ship's fix, can use different height of drop, no in process of the test
Same weight, different types of anchor, for studying the optical cable impact resistant capability to various anchors.
4. one kind realizes the pilot system of test method as described in any one of claims 1 to 3, it is characterised in that it
Including a hanging device, an electronic dropout, a ship anchor, a chopping block, an optical cable wire-unfolding rack, a drum and a survey
Test system；Described test system includes an optical time domain reflectometer, puts pressure resonator system and electric wire numeral for one innings
Measuring projector；Described hanging device is fixing connects described electronic dropout, and described electronic dropout is locked described ship anchor；
Described chopping block is arranged on the underface of described hanging device and fixing with the mattess of test site is connected；Near institute
Described optical cable wire-unfolding rack is placed in the position stating chopping block, and described optical cable wire-unfolding rack is installed described drum, described
It is wound around on drum and is provided with optical cable to be tested；Described optical time domain reflectometer is for detecting photoelectricity after completing bump test
The functional completeness of light unit in cable, detects break-make and the decay of signal in light unit, to judge the damage journey of light unit
Degree；Pressure resonator system is put for electrically detecting optical cable after completing bump test in described office, i.e. at high pressure
Test chamber detects the trickle degree of impairment of insulating barrier and the compressive resistance of optical cable；Described electric wire digital measurement projects
Instrument is for measuring electric unit insulating barrier deformation in the optical cable at rum point.
5. pilot system as claimed in claim 4, it is characterised in that described electronic dropout includes that a straight line electric pushes away
Bar and the two-direction switch being used in combination, a connection ring, a U-shaped clip and a rope made of hemp, described Linear motor-driven push rod
Top is fixedly installed described connection ring, and described connection ring is connected with the suspension hook of described hanging device by suspension ring, described
The opening both sides of U-shaped clip are fixedly installed on the motor both sides of described Linear motor-driven push rod, and the described rope made of hemp is used for connecting
Described ship anchor is connected fixing with the push rod of described Linear motor-driven push rod.
6. pilot system as claimed in claim 4, it is characterised in that described hanging device uses straddle truck or electricity
Dynamic driving.
7. pilot system as claimed in claim 5, it is characterised in that described hanging device uses straddle truck or electricity
Dynamic driving.
8. the pilot system as described in claim 4 or 5 or 6 or 7, it is characterised in that described chopping block uses thickness
The steel plate of more than 1cm.
9. the pilot system as described in claim 4 or 5 or 6 or 7, it is characterised in that described pilot system is also wrapped
Include some aids, specifically include a slide gauge, a nylon rope, a tape measure, a cutter and a handheld cable
Cast-cutting saw, wherein, described slide gauge is the steel wire armoured cup depth of described optical cable after measuring shock；Institute
State nylon rope for positioning the height of drop of described ship anchor；Described tape measure is for measuring the length of described nylon rope；Described
Cutter, for cutting open the insulating sheath of electric unit in described optical cable, lead set and waterstop, measures insulating barrier to observe
Breakage and deformation；Described handheld cable cast-cutting saw is for cutting described optical cable segmentation, by rum point place
Partial cables cut out, peel off armouring wire, separate electric unit and light unit, observe and record described electricity single
First appearance deformation with described smooth unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358254.5A CN104913987B (en) | 2015-06-25 | 2015-06-25 | For testing ship anchor, optical cable is clashed into pilot system and the method for infringement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358254.5A CN104913987B (en) | 2015-06-25 | 2015-06-25 | For testing ship anchor, optical cable is clashed into pilot system and the method for infringement |
Publications (2)
| Publication Number | Publication Date |
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| CN104913987A CN104913987A (en) | 2015-09-16 |
| CN104913987B true CN104913987B (en) | 2016-08-17 |
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| CN201510358254.5A Active CN104913987B (en) | 2015-06-25 | 2015-06-25 | For testing ship anchor, optical cable is clashed into pilot system and the method for infringement |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442176B (en) * | 2016-10-25 | 2024-02-20 | 国网浙江省电力公司舟山供电公司 | Submarine cable anchor smashing test system |
| CN110333042B (en) * | 2019-08-05 | 2024-02-20 | 交通运输部天津水运工程科学研究所 | Centrifugal model test device for simulating falling of ship anchor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007035348B4 (en) * | 2007-07-27 | 2010-12-02 | Bernd Zorn | Fall weight tester for determining the deformation characteristics under defined impact loads of soils |
| BRPI1004544A2 (en) * | 2010-05-04 | 2012-04-17 | Ribeiro Armando Sa Jr | fall or pendulum impact tester |
| CN202255812U (en) * | 2011-08-31 | 2012-05-30 | 苏州宇诺仪器有限公司 | Cable high-low temperature impact test device |
| CN103557883B (en) * | 2013-09-09 | 2015-11-18 | 华北电力大学（保定） | A kind of comprehensive monitoring of sea floor optoelectronic composite cable and trouble spot Exact Location Method |
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