CN112611710A - Method for testing secondary shielding adhesion tension of MARK3 type enclosure system - Google Patents
Method for testing secondary shielding adhesion tension of MARK3 type enclosure system Download PDFInfo
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- CN112611710A CN112611710A CN202011404597.8A CN202011404597A CN112611710A CN 112611710 A CN112611710 A CN 112611710A CN 202011404597 A CN202011404597 A CN 202011404597A CN 112611710 A CN112611710 A CN 112611710A
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- 238000012360 testing method Methods 0.000 title claims abstract description 182
- 238000000034 method Methods 0.000 title claims abstract description 23
- 101001059429 Homo sapiens MAP/microtubule affinity-regulating kinase 3 Proteins 0.000 title claims abstract description 13
- 102100028920 MAP/microtubule affinity-regulating kinase 3 Human genes 0.000 title claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 98
- 239000010935 stainless steel Substances 0.000 claims abstract description 98
- 238000010008 shearing Methods 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 32
- 239000003292 glue Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000002655 kraft paper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 4
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 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
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a method for testing secondary shielding adhesion tension of a MARK3 type enclosure system, which comprises the following steps: step one, manufacturing a stainless steel test block and a shearing test block; step two, manufacturing a clamping tool; step three, coating glue on the installation notch of the first stainless steel test block and placing the installation notch at the first end of the stainless steel test block installation channel; placing the shearing test block on the mounting notch of the first stainless steel test block and in the shearing test block mounting channel; coating glue on the mounting notch of the second stainless steel test block and placing the mounting notch of the second stainless steel test block at the other end of the stainless steel test block mounting channel; sixthly, placing a balancing weight on the surfaces of the installed stainless steel test block and the shearing test block; seventhly, curing the glue; and step eight, placing the adhesion test block in a low-temperature tensile tester, and testing the maximum tensile value and the shear strength of the adhesion test block during fracture. The invention has simple manufacturing process, convenient operation and high safety factor, improves the working efficiency and saves the experiment cost.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a method for testing secondary shielding adhesion tension of a MARK3 type containment system.
Background
The secondary shielding adhesion strength is required to be tested in the building stage of the MARK3 type LNG ship liquid cargo tank containment system, the adhesion strength shearing experiment is carried out at minus 170 ℃, the tensile strength is required to reach 37.5KN, and the shearing force is required to reach more than 15 MPa. If the experimental strength does not reach the standard, the risk of secondary shielding leakage of the liquefied natural gas can occur in the transportation process, so that the liquefied natural gas is leaked, and serious accidents of ship damage and death are caused. Therefore, the requirement on the precision of the secondary shielding adhesion strength test is high, and the requirements on the manufacturing precision and the adhesion straightness of a single shearing test block are high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for testing the secondary shielding adhesion tension of a MARK3 type containment system, which can fix a test block in the testing process, prevent the test sample from deforming in the extrusion process, improve the result accuracy of adhesion testing, reduce the risk of subsequent experiments and save the operation time.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a method for testing secondary shielding adhesion tension of a MARK3 type enclosure system, which comprises the following steps:
the method comprises the following steps of firstly, manufacturing a stainless steel test block and a shearing test block, wherein the stainless steel test block comprises two stainless steel test blocks, mounting notches are formed in the two stainless steel test blocks, one ends, far away from the mounting notches, of the stainless steel test blocks are provided with tension connecting holes, the shearing test block and a secondary shield are made of the same material, the width of the shearing test block is the same as that of the mounting notches, and the length of the shearing test block is smaller than that of the mounting notches;
step two, manufacturing a clamping tool, wherein the clamping tool comprises a bottom plate and a plurality of positioning blocks, the positioning blocks are arranged along the length direction of the bottom plate from two sides of the bottom plate, the positioning blocks adjacent in the width direction are positioned on the same straight line and form a shearing test block mounting channel, and the positioning blocks adjacent in the length direction are parallel and form a stainless steel test block mounting channel;
coating glue on an installation notch of a first stainless steel test block, placing the installation notch at the first end of a stainless steel test block installation channel, and placing a wedge block at the other end of the stainless steel test block installation channel to adjust the height of a second stainless steel test block;
placing the shearing test block on the mounting notch of the first stainless steel test block and in the shearing test block mounting channel;
coating glue on an installation gap of a second stainless steel test block and placing the installation gap on the other end of the stainless steel test block installation channel, wherein the installation gap of the second stainless steel test block is in contact with the upper surface of the shearing test block;
sixthly, placing a balancing weight on the surfaces of the installed stainless steel test block and the shearing test block;
step seven, after the glue is hardened, trimming the adhesion edges of the stainless steel test block and the shearing test block to finish the manufacturing of the adhesion test block;
and step eight, placing the adhesion test block in a low-temperature tensile tester, and testing the maximum tensile value and the shear strength of the adhesion test block during fracture.
As a preferable technical scheme, in the first step, the method further comprises the steps of cleaning the stainless steel test block, putting a cleaning agent and clean water into an ultrasonic cleaning machine according to the proportion of 3:100, putting the stainless steel test block into the ultrasonic cleaning machine, cleaning for 20 minutes, vertically placing the cleaned stainless steel test block on a piece of fiber cloth, completely drying the water on the stainless steel test block by using compressed air, and placing the dried stainless steel test block on kraft paper.
As a preferred technical scheme, in the second step, the positioning block and the bottom plate are made of wood plates, the length of the positioning block is 100mm, the width of the positioning block is 10mm, the height of the positioning block is 30mm, the length of the stainless steel test block installation channel is 600mm, the width of the stainless steel test block installation channel is 52mm, and the width of the cut test block installation channel is 62 mm.
As a preferred technical scheme, the weight of glue coating on each stainless steel test block is 3 g.
As a preferable technical scheme, the lapping distance of the two stainless steel test blocks is 50 mm.
As a preferable technical scheme, in the fifth step, an adjusting gasket is placed between the stainless steel test block and the stainless steel test block mounting channel.
Preferably, in the sixth step, the weight of the configuration block is 5.1kg, and the standing time of the counter weight block is one week.
And as a preferable technical scheme, in the step eight, the temperature in the low-temperature tensile tester is-170 degrees, and the adhesion test block is placed in the low-temperature tensile tester for 30min and then tested.
As the preferred technical scheme, when the stainless steel test block and the shearing test block are disconnected, the maximum force and tension is more than 37.5KN, and the shearing strength is more than 15MPa, so that the stainless steel test block is qualified; when the glue is disconnected with the shearing test block, the maximum tensile force is more than 50KN, and the shearing strength is more than 15MPa, so that the glue is qualified.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a specially-made clamping tool, avoids the position deviation and uneven stress of the stainless steel test block and the shearing test block in the test process, and ensures the test accuracy. The invention has simple manufacturing process, convenient operation and high safety factor, improves the working efficiency and saves the experiment cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the connection of a shear block and a stainless steel block according to the present invention.
Fig. 2 is a top view of the clamping fixture of the present invention.
Fig. 3 is a side view of the clamping fixture of the present invention.
Wherein the reference numerals are specified as follows: the device comprises a bottom plate 1, a positioning block 2, a stainless steel test block mounting channel 3, a shearing test block mounting channel 4, a stainless steel test block 5 and a shearing test block 6.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The embodiment provides a method for testing secondary shielding adhesion tension of a MARK3 type enclosure system, which comprises the following steps of:
step one, manufacturing a stainless steel test block 5 and a shearing test block 6, wherein the stainless steel test block 5 comprises two stainless steel test blocks 5, mounting notches are formed in the two stainless steel test blocks 5, one ends, far away from the mounting notches, of the stainless steel test blocks 5 are provided with tension connecting holes, the shearing test block 6 is made of the same material as a secondary shield, the width of the shearing test block is the same as that of the mounting notches, and the length of the shearing test block is smaller than that of the mounting notches. Cleaning a stainless steel test block 5, putting a cleaning agent and clean water into an ultrasonic cleaning machine according to the proportion of 3:100, putting the stainless steel test block 5 into the ultrasonic cleaning machine, cleaning for 20 minutes, vertically placing the cleaned stainless steel test block 5 on a piece of fiber cloth, completely drying the water on the stainless steel test block 5 by using compressed air, and placing the dried stainless steel test block 5 on kraft paper.
And step two, manufacturing a clamping tool, wherein the clamping tool comprises a bottom plate 1 and a plurality of positioning blocks 2, the positioning blocks 2 are arranged along the length direction of the bottom plate 1 from two sides of the bottom plate 1, the positioning blocks 2 adjacent in the width direction are positioned on the same straight line and form a shearing test block mounting channel 4, and the positioning blocks 2 adjacent in the length direction are parallel and form a stainless steel test block mounting channel 3. The positioning block 2 and the bottom plate 1 are made of wood plates, the length of the positioning block 2 is 100mm, the width of the positioning block is 10mm, the height of the positioning block is 30mm, the length of the stainless steel test block installation channel 3 is 600mm, the width of the stainless steel test block installation channel is 52mm, and the width of the shearing test block installation channel 4 is 62 mm.
And step three, coating glue on the mounting notch of the first stainless steel test block 5, placing the mounting notch at the first end of the stainless steel test block mounting channel 3, and placing a wedge block at the other end of the stainless steel test block mounting channel 3 to adjust the height of the second stainless steel test block 5.
And step four, placing the shearing test block 6 on the installation notch of the first stainless steel test block 5 and in the shearing test block installation channel 4.
And fifthly, coating glue on the mounting notch of the second stainless steel test block 5 and placing the mounting notch at the other end of the stainless steel test block mounting channel 3, wherein the weight of the glue coating on each stainless steel test block 5 is 3 g. The installation breach of second piece stainless steel test block 5 and the upper surface contact who cuts test block 6 place adjusting shim between stainless steel test block 5 and stainless steel test block installation passageway 3, and the skew takes place for the position of placing stainless steel test block 5, and the overlap joint distance of two stainless steel test blocks 5 is 50 mm.
And step six, placing balancing weights on the surfaces of the installed stainless steel test blocks 5 and the shearing test blocks 6, wherein the weight of the configuration blocks is 5.1kg, and the placing time of the balancing weights is one week.
And seventhly, after the glue is hardened, trimming the adhesion edges of the stainless steel test block 5 and the shearing test block 6 to finish the manufacturing of the adhesion test block.
And step eight, placing the adhesion test block in a low-temperature tensile tester, and testing the maximum tensile value and the shear strength of the adhesion test block during fracture. The temperature in the low-temperature tensile instrument is-170 degrees, and the adhesion test block is placed in the low-temperature tensile instrument for 30min and then tested. When the stainless steel test block 5 and the shearing test block 6 are disconnected, the maximum force tension is above 37.5KN, and the shearing strength is above 15MPa, so that the stainless steel test block is qualified; when the glue is disconnected with the shearing test block 6, the maximum tensile force is more than 50KN, and the shearing strength is more than 15MPa, so that the glue is qualified.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (9)
1. A method for testing secondary shielding adhesion tension of a MARK3 type enclosure system is characterized by comprising the following steps:
the method comprises the following steps of firstly, manufacturing a stainless steel test block and a shearing test block, wherein the stainless steel test block comprises two stainless steel test blocks, mounting notches are formed in the two stainless steel test blocks, one ends, far away from the mounting notches, of the stainless steel test blocks are provided with tension connecting holes, the shearing test block and a secondary shield are made of the same material, the width of the shearing test block is the same as that of the mounting notches, and the length of the shearing test block is smaller than that of the mounting notches;
step two, manufacturing a clamping tool, wherein the clamping tool comprises a bottom plate and a plurality of positioning blocks, the positioning blocks are arranged along the length direction of the bottom plate from two sides of the bottom plate, the positioning blocks adjacent in the width direction are positioned on the same straight line and form a shearing test block mounting channel, and the positioning blocks adjacent in the length direction are parallel and form a stainless steel test block mounting channel;
coating glue on an installation notch of a first stainless steel test block, placing the installation notch at the first end of a stainless steel test block installation channel, and placing a wedge block at the other end of the stainless steel test block installation channel to adjust the height of a second stainless steel test block;
placing the shearing test block on the mounting notch of the first stainless steel test block and in the shearing test block mounting channel;
coating glue on an installation gap of a second stainless steel test block and placing the installation gap on the other end of the stainless steel test block installation channel, wherein the installation gap of the second stainless steel test block is in contact with the upper surface of the shearing test block;
sixthly, placing a balancing weight on the surfaces of the installed stainless steel test block and the shearing test block;
step seven, after the glue is hardened, trimming the adhesion edges of the stainless steel test block and the shearing test block to finish the manufacturing of the adhesion test block;
and step eight, placing the adhesion test block in a low-temperature tensile tester, and testing the maximum tensile value and the shear strength of the adhesion test block during fracture.
2. The method for testing the secondary shielding adhesion tension of a MARK3 type containment system of claim 1, wherein the first step further comprises cleaning the stainless steel test block, putting the cleaning agent and clean water into an ultrasonic cleaning machine according to a ratio of 3:100, putting the stainless steel test block into the ultrasonic cleaning machine, cleaning for 20 minutes, vertically placing the cleaned stainless steel test block on a piece of fiber cloth, completely drying the water on the stainless steel test block by using compressed air, and placing the dried stainless steel test block on kraft paper.
3. The method for testing the secondary shielding adhesion tensile force of the MARK3 type containment system of claim 1, wherein in the second step, the positioning block and the bottom plate are made of wood, the positioning block has a length of 100mm, a width of 10mm and a height of 30mm, the stainless steel test block installation channel has a length of 600mm, a width of 52mm, and the shear test block installation channel has a width of 62 mm.
4. The method of claim 1, wherein the glue coating weight of each stainless steel test block is 3 g.
5. The method of claim 1, wherein the overlap distance between two stainless steel test blocks is 50 mm.
6. The method of claim 1, wherein in step five, a spacer is placed between the stainless steel test block and the stainless steel test block installation channel.
7. The method of claim 1, wherein in the sixth step, the weight of the configuration block is 5.1kg, and the placement time of the counterweight block is one week.
8. The method for testing the secondary shielding adhesion tension of the MARK3 type containment system of claim 1, wherein in the eighth step, the temperature in the low temperature tension meter is-170 degrees, and the adhesion test block is tested after being placed in the low temperature tension meter for 30 min.
9. The method for testing the secondary shielding adhesion tension of the MARK3 type containment system of claim 8, wherein when the stainless steel test block and the shearing test block are disconnected, the maximum force tension is above 37.5KN, and the shearing strength is above 15MPa, so that the test is qualified; when the glue is disconnected with the shearing test block, the maximum tensile force is more than 50KN, and the shearing strength is more than 15MPa, so that the glue is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404597.8A CN112611710A (en) | 2020-12-04 | 2020-12-04 | Method for testing secondary shielding adhesion tension of MARK3 type enclosure system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404597.8A CN112611710A (en) | 2020-12-04 | 2020-12-04 | Method for testing secondary shielding adhesion tension of MARK3 type enclosure system |
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| CN112611710A true CN112611710A (en) | 2021-04-06 |
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| CN202011404597.8A Pending CN112611710A (en) | 2020-12-04 | 2020-12-04 | Method for testing secondary shielding adhesion tension of MARK3 type enclosure system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206440514U (en) * | 2016-10-26 | 2017-08-25 | 重庆重通成飞新材料有限公司 | A kind of structure glue that makes draws the device for cutting test block |
| CN207197880U (en) * | 2017-07-14 | 2018-04-06 | 金发科技股份有限公司 | One kind bonding batten sample tool |
| CN108106991A (en) * | 2017-12-15 | 2018-06-01 | 超威电源有限公司 | A kind of fluid sealant bond strength detection device and method |
| CN110132667A (en) * | 2019-04-19 | 2019-08-16 | 东风汽车集团有限公司 | A kind of adhesive tensile shear strength sample batch preparation tooling and method |
| CN210375943U (en) * | 2019-06-04 | 2020-04-21 | 嘉峪关天源新材料有限责任公司 | Clamping device for testing shear strength of vibration reduction composite board |
| CN111879631A (en) * | 2020-07-31 | 2020-11-03 | 上海电气电站设备有限公司 | Testing device, testing method and testing system for shear strength of coating |
-
2020
- 2020-12-04 CN CN202011404597.8A patent/CN112611710A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206440514U (en) * | 2016-10-26 | 2017-08-25 | 重庆重通成飞新材料有限公司 | A kind of structure glue that makes draws the device for cutting test block |
| CN207197880U (en) * | 2017-07-14 | 2018-04-06 | 金发科技股份有限公司 | One kind bonding batten sample tool |
| CN108106991A (en) * | 2017-12-15 | 2018-06-01 | 超威电源有限公司 | A kind of fluid sealant bond strength detection device and method |
| CN110132667A (en) * | 2019-04-19 | 2019-08-16 | 东风汽车集团有限公司 | A kind of adhesive tensile shear strength sample batch preparation tooling and method |
| CN210375943U (en) * | 2019-06-04 | 2020-04-21 | 嘉峪关天源新材料有限责任公司 | Clamping device for testing shear strength of vibration reduction composite board |
| CN111879631A (en) * | 2020-07-31 | 2020-11-03 | 上海电气电站设备有限公司 | Testing device, testing method and testing system for shear strength of coating |
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Application publication date: 20210406 |