CN103175705B - Method and system for testing shark jaws - Google Patents

Method and system for testing shark jaws Download PDF

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Publication number
CN103175705B
CN103175705B CN201310065317.9A CN201310065317A CN103175705B CN 103175705 B CN103175705 B CN 103175705B CN 201310065317 A CN201310065317 A CN 201310065317A CN 103175705 B CN103175705 B CN 103175705B
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China
Prior art keywords
shark jaw
panel
plate
charger
testing
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CN201310065317.9A
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Chinese (zh)
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CN103175705A (en
Inventor
艾龙超
张勇勇
徐兵
陈蓓
王祺
曾涛
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武汉船用机械有限责任公司
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Priority to CN201310065317.9A priority Critical patent/CN103175705B/en
Publication of CN103175705A publication Critical patent/CN103175705A/en
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Publication of CN103175705B publication Critical patent/CN103175705B/en

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Abstract

The invention discloses a method and system for testing shark jaws, and belongs to the technical field of ship engineering. The system comprises a shark jaw, a loading device for loading the shark jaw and a test bench, the test bench comprises a flange bottom plate, a face plate and a coaming connected with the flange bottom plate and the face plate, the lower portion of the shark jaw is detachably mounted on the flange bottom plate, and the upper portion of the shark jaw penetrates through the face plate and is detachably mounted on the face plate. The test bench is used for fixing the shark jaw, the lower portion of the shark jaw is detachably mounted on the flange bottom plate, and the upper portion of the shark jaw is detachably mounted on the face plate, so that the upper portion and the lower portion of the shark jaw are fixed doubly to enable the shark jaw to be incapable of moving or toppling during loading, test safety is guaranteed effectively, and test operability and accuracy of test results are improved.

Description

A kind of method and system testing shark jaw

Technical field

The present invention relates to Marine engineering technical field, particularly a kind of method and system testing shark jaw.

Background technology

In Marine engineering and oceanographic engineering, the application of shark jaw is more and more extensive, and shark jaw major function is held tightly hawser or steel cable, prevents hawser, steel cable, anchor chain from sliding.Its operating load is more and more higher, and for ensureing the requirement of strength of shark jaw, the weight and volume of shark jaw increases along with the increase of its intensity, thus test difficulty is increased.

The test method of existing shark jaw is relatively less, is generally to be fixed on the ground by shark jaw, adopts hydraulic jack to load shark jaw.At the trial, the external part of hydraulic jack and the movable end of hawser are linked together, the anchor chain that the other end of hawser and shark jaw vise links together, and loads shark jaw by the operating oil pressure changing hydraulic jack, thus the load of test shark jaw.

Realizing in process of the present invention, inventor finds that prior art at least exists following problem:

When testing the carrying of shark jaw in prior art, because shark jaw fixes on the ground, when adopting hydraulic jack to load shark jaw, shark jaw may be moved or top is toppled over, thus make test dangerous, there is potential safety hazard in process of the test, and the movement of shark jaw can affect the precision of test result.

Summary of the invention

In order to solve the problem of prior art, embodiments provide a kind of method and system of shark jaw.Described technical scheme is as follows:

On the one hand, embodiments provide a kind of system testing shark jaw, described system comprises shark jaw and the charger for loading described shark jaw, described system also comprises testing table, described testing table comprises the coaming plate of the described flange bottom plate of flange bottom plate, panel and connection and described panel, the bottom of described shark jaw is removably mounted in described flange bottom plate, and the top of described shark jaw is passed described panel and is removably mounted on described panel;

The bottom welding of described coaming plate in described flange bottom plate, and arranges that reinforcement is strengthened, and the top of described coaming plate is welded with described panel and stiffened panel is strengthened, and described panel arrangement reinforcement is strengthened.

Particularly, described charger is winch.

Preferably, described panel is welded with the thrust block for preventing described shark jaw movement, described thrust block is between described shark jaw and described winch.

Preferably, described panel is also provided with and leads cavil, described in lead cavil between described charger and described shark jaw, and described in lead cavil and described shark jaw place the straight line of straight line and described shark jaw and described charger place have a certain degree.

Particularly, described system also comprises the interconnective hawser in one end and anchor chain, and the other end of described hawser is connected with described charger, and described shark jaw vises the other end of described anchor chain.

Particularly, described hawser is connected with described anchor chain by shackle.

Alternatively, described hawser is wire rope.

Alternatively, described system also comprises the dynamometer of the carrying for testing described shark jaw.

On the other hand, embodiments provide a kind of method testing shark jaw, described method comprises:

Be fixed on by shark jaw on testing table, described testing table comprises the coaming plate of the described flange bottom plate of flange bottom plate, panel and connection and described panel;

Charger is connected with described shark jaw;

Described charger is adopted to carry out multistage loadings to described shark jaw.

Preferably, when adopting described charger to carry out multistage loadings to described shark jaw, described method also comprises:

Dynamometer is adopted to test the carrying of described shark jaw.

The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: fix shark jaw by adopting testing table, shark jaw underground part is removably mounted in flange bottom plate, shark jaw overground part is removably connected on panel, thus the bottom of shark jaw and top are carried out simultaneously dual fixing, make when loading shark jaw, shark jaw can not move or topple over, and the security of effective guarantee test, improves the operability of test and the precision of test findings.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of system architecture schematic diagram testing shark jaw that the embodiment of the present invention one provides;

Fig. 2 is the structural representation of the testing table that the embodiment of the present invention one provides;

Fig. 3 is a kind of method flow diagram testing shark jaw that the embodiment of the present invention two provides.

Embodiment

For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.

Embodiment one

Embodiments provide a kind of pilot system for shark jaw 6, as shown in Figure 1, this system comprises shark jaw 6 and the charger 1 for loading shark jaw 6, this system also comprises testing table 2, testing table 2 comprises the coaming plate 23 of flange bottom plate 21, panel 22 and joint flange base plate 21 and panel 22, the bottom of shark jaw 6 is removably mounted in flange bottom plate 21, and the top of shark jaw 6 is passed panel 22 and is removably mounted on panel 22.

Particularly, coaming plate 23 bottom welding in flange bottom plate 21, and arranges that reinforcement is strengthened, and coaming plate 23 top is welded with panel 22 and stiffened panel is strengthened, and panel 22 arranges that reinforcement is strengthened.More specifically, the top of shark jaw 6 is arranged on panel 22 by bolt.

Particularly, in the present embodiment, this testing table 2 can be installed on the ground, also this testing table 2 can be arranged on subsurface.

Particularly, in the present embodiment, charger 1 can be winch.In other embodiments, this charger 1 also can be oil cylinder.By adopting winch, Long-distance Control winch Slow loading shark jaw can be realized, and continue to keep load.

Preferably, panel 22 is welded with the thrust block (not shown) for preventing shark jaw movement, thrust block is between shark jaw 6 and charger 1.Particularly, after shark jaw 6 and panel 22 are bolted, erecting and welding thrust block on panel 22, the position laminating panel 22 of thrust block welding and the top of shark jaw just to the one side of winch; When shark jaw 6 is loaded, can produce the very large shearing force of prolonging hawser direction between shark jaw 6 and panel 22, thrust block helps to bear part power, prevents coupling bolt from ' being cut off '.

Preferably, panel 22 is also provided with and leads cavil 24, lead cavil 24 between charger 1 and shark jaw 6, and the straight line of the straight line and shark jaw 6 and charger 1 place of leading cavil 24 and shark jaw 6 place has a certain degree, at the trial, by this angle, thus the rope stretching angle in real work can be simulated, improve the precision of test findings.

Particularly, this system also comprises the interconnective hawser 3 in one end and anchor chain 7, and the other end of hawser 3 is connected with charger 1, and shark jaw 6 vises the other end of anchor chain 7.In the present embodiment, hawser 3 and anchor chain 7 are all used to be connected charger 1 and shark jaw 6, in other embodiments, hawser 3 also all can be adopted to connect, or all adopt anchor chain 7 to connect.

Particularly, the anchor chain 7 that hawser 3 is vised by shackle 5 and shark jaw 6 is connected.

Alternatively, in the present embodiment, hawser 3 can be wire rope.

Alternatively, this system also comprises the dynamometer 4 of the carrying for testing shark jaw 6.Particularly, dynamometer 4 can comprise the sensor for test force, the cable for the Displaying Meter and connecting sensor and Displaying Meter that show power reading, and sensor setting is on hawser.By adopting dynamometer 4, can the carrying situation of shark jaw 6 in long-range real-time grasp loading procedure, thus Long-distance Control test.

A kind of system for testing shark jaw that the embodiment of the present invention provides is in concrete use, according to the relative distance of the installation of operating mode determination testing table 2 and charger 1 in actual ship, it is close with the elevation angle of leading operating mode on cavil 24 angulation and ship or identical that hawser 3 is set in use, thus realize pilot system can operating mode on simulate ship.Then by the one ends wound of hawser 1 on winch, the other end of hawser 3 is connected with one end of anchor chain 7 by shackle 5, and the other end of anchor chain 7 is vised by shark jaw 6.Before the test, hawser 3 is relaxed state, is then slowly wound around hawser 3 by charger 1, thus Slow loading shark jaw 6.

The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: fix shark jaw by adopting testing table, shark jaw underground part is removably mounted in flange bottom plate, shark jaw overground part is removably connected on panel, thus the bottom of shark jaw and top are carried out simultaneously dual fixing, make when loading shark jaw, shark jaw can not move or topple over, and the security of effective guarantee test, improves the operability of test and the precision of test findings.

Embodiment two

Embodiments provide a kind of method for testing shark jaw, see Fig. 3, the method comprises:

Step 201: shark jaw is fixed on testing table, testing table comprises the coaming plate of flange bottom plate, panel and flange bottom plate and panel;

Particularly, shark jaw is fixed on testing table, specifically comprises:

The bottom of shark jaw is removably mounted in flange bottom plate;

Panel is passed on the top of shark jaw and is removably mounted on panel.

Particularly, coaming plate bottom welding in flange bottom plate, and arranges that reinforcement is strengthened, and coaming plate top is welded with panel and stiffened panel is strengthened, and panel reinforcement is strengthened.More specifically, the top of shark jaw is arranged on panel by bolt.Fixed the bottom of shark jaw by flange bottom plate, the top of shark jaw fixed by panel, thus carry out dual fixing to the bottom of shark jaw and top simultaneously, and make when loading shark jaw, shark jaw can not move or topple over.

Step 202: charger is connected with shark jaw.

Particularly, charger is connected with shark jaw with anchor chain by hawser.Shark jaw vises one end of anchor chain, and the other end of anchor chain and one end of hawser are connected by buckle, and the other end of hawser is connected with charger.

Step 203: adopt charger to carry out multistage loadings to shark jaw.

Particularly, multistage loadings refers in the process loaded, according to the nominal load of shark jaw, first be loaded into 70% (in the present embodiment, this numerical value is only reference value) of shark jaw nominal load, and keep stress state after 5 minutes, remove stress state, check the situation of each equipment; Then be loaded into 100% of shark jaw nominal load, and keep stress state after 5 minutes, remove stress state, check the situation of each equipment; Finally be loaded into 125% of shark jaw nominal load, and keep stress state after 5 minutes, remove stress state, check the situation of each equipment.Particularly, when each equipment situation of each inspection, need to observe measurement shark jaw and whether be damaged or be out of shape (after having loaded, all needing check measurement) at every turn, and record test figure and result.

Preferably, when adopting charger to carry out multistage loadings to shark jaw, the method also comprises:

Adopt the carrying of dynamometer test shark jaw.Particularly, dynamometer can comprise the sensor for test force, the cable for the Displaying Meter and connecting sensor and Displaying Meter that show power reading, and sensor setting is on hawser.By adopting dynamometer, can the carrying situation of shark jaw in long-range real-time grasp loading procedure, thus Long-distance Control test.

The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by being fixed on testing table by shark jaw, shark jaw moving or toppling in the process loaded can be avoided, the security of effective guarantee test, improves the operability of test and the precision of test findings.

The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. test the system of shark jaw for one kind, described system comprises shark jaw and the charger for loading described shark jaw, it is characterized in that, described system also comprises testing table, described testing table comprises the coaming plate of the described flange bottom plate of flange bottom plate, panel and connection and described panel, the bottom of described shark jaw is removably mounted in described flange bottom plate, and the top of described shark jaw is passed described panel and is removably mounted on described panel;
The bottom welding of described coaming plate in described flange bottom plate, and arranges that reinforcement is strengthened, and the top of described coaming plate is welded with described panel and stiffened panel is strengthened, and described panel arrangement reinforcement is strengthened.
2. system according to claim 1, is characterized in that, described charger is winch.
3. system according to claim 1, is characterized in that, described panel is welded with the thrust block for preventing described shark jaw movement, described thrust block is between described shark jaw and described charger.
4. system according to claim 1, it is characterized in that, described panel is also provided with and leads cavil, described cavil of leading between described charger and described shark jaw, and described in lead cavil and described shark jaw place the straight line of straight line and described shark jaw and described charger place have a certain degree.
5. system according to claim 1, is characterized in that, described system also comprises the interconnective hawser in one end and anchor chain, and the other end of described hawser is connected with described charger, and described shark jaw vises the other end of described anchor chain.
6. system according to claim 5, is characterized in that, described hawser is connected with described anchor chain by shackle.
7. system according to claim 6, is characterized in that, described hawser is wire rope.
8. system according to claim 1, is characterized in that, described system also comprises the dynamometer of the carrying for testing described shark jaw.
9. test a method for shark jaw, it is characterized in that, described method comprises:
Be fixed on by shark jaw on testing table, described testing table comprises the coaming plate of the described flange bottom plate of flange bottom plate, panel and connection and described panel;
Charger is connected with described shark jaw;
Described charger is adopted to carry out multistage loadings to described shark jaw.
10. method according to claim 9, is characterized in that, when adopting described charger to carry out multistage loadings to described shark jaw, described method also comprises:
Dynamometer is adopted to test the carrying of described shark jaw.
CN201310065317.9A 2013-02-28 2013-02-28 Method and system for testing shark jaws CN103175705B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266828B (en) * 2014-08-13 2016-12-07 武汉船用机械有限责任公司 A kind of shark jaw and the pilot system of backing pin and test method
CN104677940B (en) * 2015-01-30 2017-10-17 中国矿业大学 A kind of reinforced concrete shell Fire-resistance test system
CN107607314B (en) * 2017-07-28 2019-08-23 武汉船用机械有限责任公司 A kind of test method of band brake

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US6122847A (en) * 1997-11-17 2000-09-26 Aker Marine Contractors, Inc. Method of and apparatus for installation of plate anchors
CN101506030A (en) * 2006-08-17 2009-08-12 劳斯莱斯船业公司 Device for a shark jaw
CN102438886A (en) * 2009-02-25 2012-05-02 罗尔斯-罗依斯海运有限公司 Method and device for handling of rope

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Publication number Priority date Publication date Assignee Title
US6122847A (en) * 1997-11-17 2000-09-26 Aker Marine Contractors, Inc. Method of and apparatus for installation of plate anchors
CN101506030A (en) * 2006-08-17 2009-08-12 劳斯莱斯船业公司 Device for a shark jaw
CN102438886A (en) * 2009-02-25 2012-05-02 罗尔斯-罗依斯海运有限公司 Method and device for handling of rope

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