CN114112658A - Ship deck embedded mooring hole strength test device and test method - Google Patents
Ship deck embedded mooring hole strength test device and test method Download PDFInfo
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- CN114112658A CN114112658A CN202111273888.2A CN202111273888A CN114112658A CN 114112658 A CN114112658 A CN 114112658A CN 202111273888 A CN202111273888 A CN 202111273888A CN 114112658 A CN114112658 A CN 114112658A
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000010998 test method Methods 0.000 title claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000004904 shortening Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a strength test device and a test method for an embedded mooring hole of a ship deck, and relates to the field of ship construction. The testing device is arranged above the mooring hole, the rope is gradually tensioned to enable the reading of the dynamometer to achieve the testing strength, and whether cracks and deformation exist between the mooring hole and the welding of the mooring hole and the ship body or not is observed, so that the testing purpose is achieved. The test device has the advantages of small occupied space and convenient operation when in test, and can be simultaneously carried out by means of a plurality of mooring hole test devices, thereby improving the test efficiency.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a ship deck embedded mooring hole strength testing device and a testing method.
Background
A plurality of deck layers are arranged on the ship, large cargo cabins and hatch covers of some ships are all the deck layers, mooring holes are required to be installed on individual decks, and the mooring holes are used for binding and fixing equipment, containers and cargos on the decks. When the offshore ship runs, equipment, containers and cargos on a deck on the ship are subjected to static force generated by inclination of the ship and instantaneous impact force generated when sea waves flap the ship, so that the requirement on binding the mooring holes on the deck is high, and the requirement on installing the embedded mooring holes on the deck of a shipyard is met.
The deck is provided with the embedded mooring holes, the mooring holes are used as finished parts and are ground by grinding personnel after a ship body welding welder finishes welding, and finally, the flaw detection personnel carry out sampling flaw detection or complete flaw detection for detection.
The traditional detection mode is that a crane is used for carrying out tension test on the mooring hole, the crane resources on a ship building site are limited, the operation is inconvenient, more space and manpower are required to be occupied, only single test can be carried out frequently, and the efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides the embedded mooring hole strength testing device and the embedded mooring hole strength testing method for the ship deck. The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an embedded cave intensity test device that moors of boats and ships deck, the device include support frame, crossbeam, rope, dynamometer, for the length adjustment ware of rope length adjustment, the support frame supports in the both ends below of crossbeam, the crossbeam is connected to rope one end, the rope includes a plurality of sections, length adjustment ware and dynamometer are connected to between the rope, the other one end of rope is equipped with the connector that is used for connecting fixed cave of mooring.
Furthermore, universal connectors are connected to the ropes close to the two ends of the ropes, and the length regulator and the dynamometer are arranged on the ropes between the universal connectors at the two ends.
Furthermore, the support frame comprises a longitudinal support, an inclined strut and a bottom plate, the longitudinal support is vertically fixed in the middle of the bottom plate, the inclined strut is supported on two sides of the longitudinal support, and two ends of the inclined strut are respectively connected and fixed with the longitudinal support and the bottom plate.
Further, the longitudinal support is a plug-in type length-adjustable structure.
Further, the connector is a hook.
The invention also provides a strength test method for the embedded mooring hole of the ship deck, which comprises the following steps:
s1, assembling a mooring hole strength testing device before testing;
s2, placing the assembled mooring hole strength testing device on a deck at the position of a mooring hole to be tested, and adjusting the mooring hole strength testing device to enable the mooring hole to be positioned right below the cross beam;
s3, connecting the connector to the mooring hole;
s4, adjusting the length of the rope through the length adjuster, gradually shortening the length of the rope to enable the rope to be gradually tensioned, reading the reading of the dynamometer in the tensioning process until the reading of the dynamometer reaches a test requirement value, stopping adjusting the length adjuster and standing;
and S5, observing and detecting the mooring holes, checking whether the mooring holes and the welding positions of the mooring holes have cracks or deformation, and if the mooring holes have no cracks or deformation, the strength of the mooring holes meets the requirement.
Further, in step S4, the adjustment of the length adjuster is stopped, and the device is left standing for at least 5 minutes before observation and flaw detection are performed.
Further, adjusting the height of the beam is also included in step S2.
Compared with the prior art, the invention has the beneficial effects that:
the embedded anchor hole intensity test device of boats and ships deck replaces traditional crane to tie through the device and caves in intensity test, and occupation space is little, and convenient operation can also go on simultaneously with the help of a plurality of anchor hole test devices simultaneously, promotes efficiency of software testing.
In addition, on the one hand, the method for testing the strength of the embedded mooring hole of the ship deck is also provided, the strength test can be rapidly carried out through the method, and a large amount of time, manpower and material resources are saved.
Drawings
Fig. 1 is a schematic view of an embedded mooring hole structure of a ship deck.
Fig. 2 is a using state diagram of the strength testing device of the embedded mooring hole of the ship deck.
Fig. 3 is a schematic structural diagram of a length adjuster according to an embodiment of the invention.
FIG. 4 is a schematic structural diagram of a universal connector in an embodiment of the invention.
Fig. 5 is a schematic structural diagram of the support frame in the embodiment of the invention.
In the figure, 1, tie-down points; 2. a cross-shaped structure; 3. a cross beam; 4. a rope; 5. a force gauge; 6. a length adjuster; 7. hooking; 8. a universal connector; 9. longitudinal support; 10. bracing; 11. a base plate; 12. transversely reinforcing; 13. the diagonal bracing is strengthened; 14. a connector fitting; 15. an intermediate shaft; 16. a connecting ring; 17. a lead screw; 18. a column.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
the utility model provides an embedded anchor hole intensity test device of boats and ships deck, as shown in figure 2 for whether the intensity that detects anchor hole satisfies the construction requirement, anchor hole is as figure 1, it carries out welded fastening as finished product spare and hull deck, sets up the round hole on the deck, will anchor the hole and install in the round hole position, anchor hole 1 is whole recessed, and anchor hole's middle part is equipped with cruciform structure 2, can fix equipment, container, goods on the deck in cruciform structure department.
The test device structure comprises a support frame, a cross beam 3, a rope 4, a dynamometer 5 and a length adjuster 6 for adjusting the length of the rope 4, wherein the support frame is supported and fixed at two ends below the cross beam 3, one end of the rope 4 is fixed on the cross beam 3, the rope 4 is divided into a plurality of sections, the plurality of sections of ropes are connected into one rope, the rope 4, the length adjuster 6 and the dynamometer 5 are connected together in series, and the other end of the rope is provided with a connector for connecting and fixing a mooring hole; in order to avoid the influence of the twisting of the rope on the test, universal connectors 8 are connected to the positions, close to the two ends, of the rope, and the universal connectors 8 are also connected in series in the rope 4. The embodiment provides a universal connector, as shown in fig. 4, which includes connector joints 14 and an intermediate shaft 15, wherein one connector joint 14 is respectively installed at two ends of the intermediate shaft 15, the connector joints 14 at two ends are respectively installed coaxially with the intermediate shaft 15 through shaft pins, and the connector joints 14 can respectively rotate coaxially relative to the intermediate shaft 15.
The length adjuster is mainly used for adjusting the length of the rope 4, the length adjuster 6 provides tension for the rope, and therefore the requirement of strength testing is met, the length adjuster 6 is used for stretching and contracting through a lead screw to achieve rope length adjustment, specifically, as shown in fig. 3, the length adjuster comprises a first portion and a second portion, the first portion and the second portion are in threaded connection, the first portion comprises a connecting ring 16 and a lead screw 17, the second portion comprises a column 18 with internal threads and a connecting ring 16, the connecting ring 16 of the first portion and the connecting ring 16 of the second portion are respectively connected with two sections of ropes when in use, and rope length adjustment is achieved by rotating the first portion relative to the second portion.
Specifically, as shown in fig. 5, the support frame comprises a longitudinal support 9, an inclined strut 10 and a bottom plate 11, wherein the longitudinal support 9 is vertically fixed in the middle of the bottom plate 11, the inclined strut 10 is installed on two sides of the longitudinal support 9, one end of the inclined strut 10 is connected with the fixed bottom plate 11, and the other end of the inclined strut 10 is connected with the fixed longitudinal support 9. In the embodiment, a bottom plate, a longitudinal support and a cross beam are cut by 16 # channel steel, and then are connected and fixed in a welding mode, and the diagonal support is welded after being cut by 12 # channel steel; in order to increase the strength of the beam 3, a channel 12 is welded and fixed under the beam for further reinforcement, and the reinforcement added under the beam comprises a transverse reinforcement 12 and a diagonal bracing reinforcement 13, as shown in fig. 2.
Longitudinal support can also adopt steel tube structure, and socket joint is connected between the steel pipe, connects the different steel pipes of size and specification through the mode of plug, can adjust the height of crossbeam as required, to the boats and ships deck, can relate to some equipment, article on the deck, consequently need adjust the needs that the height assurance of crossbeam was laid as required, can also adopt to increase the cushion in order to adjust the height of crossbeam in the bottom plate below.
The embodiment also provides a strength test method for the embedded mooring hole of the ship deck, which comprises the following steps:
s1, assembling a mooring hole strength testing device before testing, as shown in figure 1;
s2, placing the assembled mooring hole strength testing device on a deck at the position of a mooring hole to be tested, and adjusting the mooring hole strength testing device to enable the mooring hole to be positioned right below the cross beam; the height of the beam can be adjusted according to the requirement;
s3, connecting the connector to the mooring hole;
s4, adjusting the length of the rope through the length adjuster, gradually shortening the length of the rope to enable the rope to be gradually tensioned, reading the reading of the dynamometer in the tensioning process until the reading of the dynamometer reaches a test requirement value, stopping adjusting the length adjuster, standing for at least 5 minutes, and then carrying out the next step;
and S5, observing and detecting the mooring holes, checking whether the mooring holes and the welding positions of the mooring holes have cracks or deformation, and if the mooring holes have no cracks or deformation, the strength of the mooring holes meets the requirement.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (8)
1. The utility model provides an embedded cave intensity test device that moors of boats and ships deck, its characterized in that, the device include support frame, crossbeam, rope, dynamometer, for the length adjustment ware of rope length adjustment, the support frame supports the both ends below at the crossbeam, the crossbeam is connected to rope one end, the rope includes a plurality of sections, length adjustment ware and dynamometer are connected to between the rope, the other one end of rope is equipped with the connector that is used for connecting fixed cave of mooring.
2. The deck-embedded mooring hole strength testing device according to claim 1, wherein universal connectors are further connected to the ropes near the two ends of the ropes, and the length adjuster and the dynamometer are arranged on the ropes between the universal connectors at the two ends.
3. The embedded mooring hole strength testing device for the ship deck according to claim 1, wherein the supporting frame comprises a longitudinal support, an inclined strut and a bottom plate, the longitudinal support is vertically fixed in the middle of the bottom plate, the inclined strut is supported on two sides of the longitudinal support, and two ends of the inclined strut are respectively connected and fixed with the longitudinal support and the bottom plate.
4. The embedded mooring hole strength testing device for the ship deck as recited in claim 3, wherein the longitudinal support is a plug-in structure with adjustable length.
5. The embedded mooring hole strength testing device for the ship deck as claimed in claim 1, wherein the connector is a hook.
6. A strength test method for embedded mooring holes of a ship deck is characterized by comprising the following steps:
s1, assembling a captive hole strength test device before testing, wherein the captive hole strength test device is as claimed in any one of claims 1 to 5;
s2, placing the assembled mooring hole strength testing device on a deck at the position of a mooring hole to be tested, and adjusting the mooring hole strength testing device to enable the mooring hole to be positioned right below the cross beam;
s3, connecting the connector to the mooring hole;
s4, adjusting the length of the rope through the length adjuster, gradually shortening the length of the rope to enable the rope to be gradually tensioned, reading the reading of the dynamometer in the tensioning process until the reading of the dynamometer reaches a test requirement value, stopping adjusting the length adjuster and standing;
and S5, observing and detecting the mooring holes, checking whether the mooring holes and the welding positions of the mooring holes have cracks or deformation, and if the mooring holes have no cracks or deformation, the strength of the mooring holes meets the requirement.
7. The method for testing the strength of the embedded mooring hole of the deck as claimed in claim 6, wherein in step S4, the length adjuster is stopped and then left for at least 5 minutes before observation and flaw detection.
8. The deck-embedded captive hole strength testing apparatus of claim 6, wherein in step S2, the height of the beam is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273888.2A CN114112658A (en) | 2021-10-29 | 2021-10-29 | Ship deck embedded mooring hole strength test device and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111273888.2A CN114112658A (en) | 2021-10-29 | 2021-10-29 | Ship deck embedded mooring hole strength test device and test method |
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