KR20160062975A - Mounting apparatus for hydrostatic pressure test of specimen and method for pressure test using the same - Google Patents

Mounting apparatus for hydrostatic pressure test of specimen and method for pressure test using the same Download PDF

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Publication number
KR20160062975A
KR20160062975A KR1020140166372A KR20140166372A KR20160062975A KR 20160062975 A KR20160062975 A KR 20160062975A KR 1020140166372 A KR1020140166372 A KR 1020140166372A KR 20140166372 A KR20140166372 A KR 20140166372A KR 20160062975 A KR20160062975 A KR 20160062975A
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South Korea
Prior art keywords
pressure chamber
cable
specimen
tool cage
observation
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Application number
KR1020140166372A
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Korean (ko)
Inventor
최혁진
이승훈
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한국해양과학기술원
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Priority to KR1020140166372A priority Critical patent/KR20160062975A/en
Publication of KR20160062975A publication Critical patent/KR20160062975A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/36—Embedding or analogous mounting of samples
    • 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
    • G01N3/04—Chucks
    • 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
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to an apparatus for mounting a specimen for a pressure resistance test, which is input into or extracted from a high pressure with observation/measurement/power supply equipment in a state of mounting the specimen to perform the pressure resistance test for the specimen under water pressure. The present invention comprises: a tool gauge composed of a plurality of posts providing support force, a plurality of ring shaped ring brackets coupled in a longitudinal direction of the post to be able to adjust height and providing observation/measurement/power supply equipment installation portions and a specimen fixation portion, and a bottom plate which is installed on lower ends of the posts and mounts the specimen to be input into the high pressure chamber as towed by a crane; a cable holder provided at an upper end of the tool gauge and housed in a state that cable of the observation/measurement/power supply equipment installed in the ring brackets is wound; and a base member seated on the bottom of the high pressure chamber in a state of being fixated on the bottom plate of the tool gauge and preventing interference by a cable connector installed on the bottom of the high pressure chamber while providing a separation space between the bottom of the high pressure chamber and the tool gauge, wherein the tool gauge forms a cut part on one portion of an edge of the bottom plate to connect the cable of the observation/measurement/power supply equipment to the cable connector of the high pressure chamber via the cut part.

Description

TECHNICAL FIELD [0001] The present invention relates to a sample holding device for pressure resistance test,

More particularly, the present invention relates to a specimen holding device for pressure resistance testing, and more particularly, to a method of testing a specimen holding device for preventing a specimen for pressure resistance test from being interfered with a structure installed on a bottom surface of a high pressure chamber And a method of testing an internal pressure using the same.

Deep sea equipment such as deep water equipment, underwater pipes, submersibles, and pressure vessels normally used in water are subjected to pressure test such as buckling / fatigue strength test under hydrostatic pressure and pressure resistance test under water pressure for performance test and safety evaluation.

This pressure test is performed through a hyperbaric chamber, which is a deep sea pressure simulating test facility for artificially reproducing the high pressure environment of the deep sea.

Specifically, in the withstand pressure test, the specimen to be tested is placed in a high-pressure chamber in a state where the specimen is placed on a cradle, and observing / measuring / power supply equipments such as a camera and various sensors are installed in a high-pressure chamber, To the high-pressure chamber while observing the state of the specimen according to the water pressure.

Here, since the cable connector for connecting various cables of the observation / measurement / power supply equipment is provided on the bottom surface of the high-pressure chamber, interference with the cradle inserted into the high-pressure chamber occurs, there was.

For example, in Korean Patent Registration No. 10-1148512, "a signal transmission device between a pressure-resistant vessel and a high-pressure chamber using vibration at the time of pressure resistance test" can prevent interference between the pressure-resistant vessel put into the high- There is a disadvantage that it is necessary to avoid interference when the pressure-resistant container is inserted.

Accordingly, there is a need for a technique capable of minimizing the interference caused by the structure of the high-pressure chamber while injecting the specimen into the high-pressure chamber.

Korean Patent Publication No. 10-1148512

SUMMARY OF THE INVENTION The present invention has been made in order to overcome the problems of the prior art as described above, and it is an object of the present invention to provide a tool cage for a high pressure chamber, The present invention has been made in view of the above problems, and it is an object of the present invention to provide a specimen placing apparatus for internal pressure test that can prevent interference with a structure such as a connector provided on the bottom surface of a high-pressure chamber.

In addition, the cable of the observation / measurement / power supply equipment which is put into the high-pressure chamber together with the specimen can be accommodated in an organized state, and the cable can be drawn out to the lower portion of the tool cage and connected smoothly with the connector of the high- And a method for testing an internal pressure using the same.

Another object of the present invention is to provide a sample holding device for pressure resistance test, which can prevent the damage or breakage of the high pressure chamber by the tool cage by buffering the friction between the tool cage and the high pressure chamber, and an internal pressure test method using the same.

In order to accomplish the above object, the present invention provides a specimen holder for pressure resistance testing, comprising a specimen holder for holding a specimen, a pressure chamber for holding the specimen, A plurality of posts for providing a bearing force and a plurality of posts while being adjustable in height along the longitudinal direction of the posts, the apparatus comprising: a mounting portion of the observation / measurement / A ring-shaped ring bracket for providing a fixing part; a tool cage which is installed at a lower end of the post and is formed of a bottom plate on which a specimen is mounted, and is inserted into the high-pressure chamber while being pulled by a crane; A cable holder provided at an upper end of the tool cage and accommodated in a state in which a cable of the observation / measurement / power supply equipment installed in the ring bracket is wound; And a cable connector mounted on a bottom surface of the high-pressure chamber while providing a spacing space between the bottom surface of the high-pressure chamber and the tool cage, Wherein a cutout is formed in a portion of the rim of the bottom plate so that the cable of the observation / measurement / power supply equipment and the cable connector of the high-pressure chamber are connected to each other through the cutout, .

For example, the base member may include: a fixing plate having a cutout portion like the bottom plate and fixed to a lower portion of the bottom plate; A first leg fixed to both sides of the fixing plate and extending downward and seated on a bottom surface of the high-pressure chamber; And a second leg fixed to the center of the fixing plate so as to be spaced apart from the first leg so as to be seated on the floor while being extended downward.

The first leg may be fixed to both sides of the fixing plate while being in the shape of an arc, and the second leg may be fixed to the center of the fixing plate in a cylindrical shape.

At least one communication hole may be formed through the second leg so as to prevent air pockets from being formed in the cylinder.

For example, the cable holder may include: an outer cylinder fixed to the upper end of the tool cage in a cylindrical shape; And an inner cylinder which is spaced apart from the inner circumferential surface of the outer cylinder and fixed in a cylindrical shape inside the outer cylinder to provide a cable receiving space in the form of a ring.

In addition, the cable holder may have at least one cable lead-through hole formed in the outer cylinder or the inner cylinder to draw a cable accommodated in the cable receiving space to the lower portion of the tool cage through the cable lead-out hole.

Further, the present invention further includes a friction buffer member provided on an outer surface of the tool cage to buffer friction between the high-pressure chamber and the tool cage, A buffering bar attached to the outer surface of the buffer chamber to face the inner circumferential surface of the high-pressure chamber; And a fixing bolt passing through the buffer bar and fastened to the post to fix the buffer bar.

The pressure resistance test method according to the present invention includes a plurality of posts for providing a supporting force and a plurality of posts while adjusting the height along the longitudinal direction of the posts, A ring shaped ring bracket for providing a fixing part of the specimen and a bottom plate provided at a lower end of the post to which a specimen is mounted and a cut part is formed at a part of the rim and is inserted into the high pressure chamber while being pulled by a crane; A cable holder provided at an upper end of the tool cage and accommodated in a state in which a cable of the observation / measurement / power supply equipment installed in the ring bracket is wound; And a cable connector mounted on a bottom surface of the high-pressure chamber while providing a spacing space between the bottom surface of the high-pressure chamber and the tool cage, And a base member for preventing interference with the sample holder; Placing a specimen on a bottom plate of the tool cage and fixing the specimen to the ring bracket of the tool cage; Installing equipment for installing an observation / metering / power supply device on the ring bracket of the tool cage and accommodating cables of the observation / measurement / power supply equipment in the cable holder; A towing step of connecting a crane to the tool cage and raising the mounting device to the upper portion of the high-pressure chamber; A cable connection step of connecting the cable of the observation / measurement / power supply equipment housed in the cable holder to a cut-out portion formed on a bottom plate of the tool cage and connecting the cable to a cable connector of the high-pressure chamber; The crane is operated to put the mounting device in the high-pressure chamber and the high-pressure chamber is placed on the bottom surface of the high-pressure chamber through the base member; And a chamber closing step of separating the crane from the tool cage and closing the high-pressure chamber to perform a pressure-proof test.

The mounting preparation step may further include a buffering step of attaching a buffering bar of a buffer material to an outer surface of the post constituting the tool cage.

According to the specimen placing apparatus for internal pressure test according to the present invention and the internal pressure test method using the same, the tool cage, which is fixed in a state in which the specimen is fixed, is spaced apart from the bottom surface of the high pressure chamber by the base member, Interference with the cable connector provided on the bottom surface of the chamber is prevented, so that the test piece can be easily inserted and breakage of the cable connector can be prevented.

Specifically, as the first leg and the second leg constituting the base member are spaced apart and fixed to the lower end of the tool cage, the first leg and the second leg are seated on the bottom surface of the high-pressure chamber, It is not interfered because it is accepted.

Further, since the second leg is formed in a cylindrical shape and the communication hole is formed along the wall surface, the occurrence of the air pocket inside the second leg is prevented, so that a more accurate test environment can be provided.

In addition, since the cable holder is provided on the upper portion of the tool cage, the cable of the observation / measurement / power supply equipment can be received in an organized state, and the cut-out portion is formed on the bottom plate of the tool cage, And can be easily connected to the cable connector of the high-pressure chamber while being pulled out to the lower portion of the cage.

Furthermore, since the buffer bar made of the buffer material adheres to the outer surface of the tool cage to buffer the friction with the high-pressure chamber, damage or breakage of the high-pressure chamber as the expensive equipment can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a whole perspective view showing a specimen placing apparatus for a pressure resistance test according to the present invention; Fig.
2 is an enlarged perspective view showing a cable holder of the present invention;
3 is a bottom perspective view showing the base member of the present invention.
4 is a vertical cross-sectional view showing a specimen placing apparatus for a pressure resistance test according to the present invention.
5 is a block diagram showing an internal pressure test method using a specimen placing apparatus according to the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted.

The specimen placing device 10 for pressure-resistance testing according to the present invention is intended to be used when the specimen to be tested is put into the high-pressure chamber 20 together with the observation / measurement / power supply equipment as shown in FIG. And includes a tool cage 100, a cable holder 200, and a base member 300 as described above.

The tool cage 100 is a component that is fixed in a state where the specimen is mounted and is inserted into the high-pressure chamber 20 while being pulled by a crane.

The tool cage 100 may include a post 110, a ring bracket 120, and a bottom plate 130 as shown in FIG.

The posts 110 are arranged in a plurality of and arranged in a radial state as shown by the members for providing a vertical supporting force.

The ring bracket 120 is a member for providing a mounting portion of an observation / measurement / power supply equipment such as a camera or various sensors and a fixing portion for fixing the specimen. The ring bracket 120 is formed in a ring shape as shown in FIG. 2, And is generally cylindrical in shape with the post 110 while being coupled to the post 110.

The height of the ring bracket 120 can be adjusted while being fastened to a fastener (not shown) formed through the post 110 in the longitudinal direction of the post 110.

Therefore, the height of the ring bracket 120 can be adjusted according to the size and shape of the specimen, and the quantity can be added or omitted.

The bottom plate 130 is fixed to the lower end of the post 110 in a substantially disc shape as shown in Figs. 1 and 3, and the specimen is mounted thereon.

1 and 3, a cutout portion 131 is formed at a portion of the rim to provide a connection path for cables of the observation / measurement / power supply equipment.

That is, the cable of the observation / measurement / power supply equipment is drawn into the lower portion of the tool cage 100 while being accommodated in the cable holder 200 to be described later, (21).

The cable holder 200 is a component that is received in a wrapped state of the cable of the observation / metering / power supply device and may comprise, for example, an outer cylinder 210 and an inner cylinder 220 as shown in FIG. have.

The outer cylinder 210 is fixed to the upper end of the post 110 constituting the tool cage 100 as shown.

The inner cylinder 220 is disposed inside the outer cylinder 210 and spaced apart from the inner circumferential surface of the outer cylinder 210 to form a cable receiving space 200a.

That is, the inner cylinder 220 and the outer cylinder 210 are spaced apart from each other to provide a cable receiving space 200a in the form of a ring, and the cable is accommodated in a winding manner along the cable receiving space 200a.

2, the cable outlet hole 200b is formed in the outer cylinder 210 or the inner cylinder 220 of the cable holder 200 so that the cable is drawn out through the cable outlet hole 200b Measurement / power supply equipment and the cable connector 21 as shown in FIG.

Meanwhile, the cable holder 200 is provided with a fastening ring 250 for fastening a pull string of a crane (not shown).

The base member 300 is a component that prevents interference by the cable connector 21 by providing a spacing space between the bottom surface of the high-pressure chamber 20 and the tool cage 100.

The base member 300 may include a fixing plate 310, a first leg 320 and a second leg 330 as shown in FIG. 3, for example.

The fixing plate 310 is fixed to the bottom plate 130 of the tool cage 100 as shown in the figure and the cutouts 131 are formed in the same manner as the bottom plate 130 to provide a cable connection path.

3, the first legs 320 are fixed to both sides of the fixing plate 310 and are mounted on the bottom surface of the high-pressure chamber 20 to support the tool cage 100 in a spaced apart state from the bottom surface.

The first legs 320 may be formed on both sides of the fixing plate 310 while being formed in an arc shape concentric with the fixing plate 310 as shown in FIG.

3 and 4, the second leg 330 is fixed to the center of the fixing plate 310 and is seated on the bottom surface of the high-pressure chamber 20 while being spaced apart from the first leg 320. [

That is, the second leg 330 can prevent the interference by the cable connector 21 by accommodating the cable connector 21 of the high-pressure chamber 20 in the space separated from the first leg 320 as shown in FIG. do.

As shown in FIG. 3, the second leg 330 may be formed in a cylindrical shape concentric with the fixing plate 310, and may be provided at the center of the fixing plate 310.

Here, when the second leg 330 is formed into a cylindrical shape, the second leg 330 may be inserted into the high-pressure chamber 20 with the air pocket formed therein, which may hinder accurate test environment.

3, at least one communication hole 331 is formed in the second leg 330 along the wall surface so as to communicate the inside air.

In this case, the first leg 320 and the second leg 330 may be coupled to the bottom plate 130 of the tool cage 100, Can be fixed directly.

Further, the bottom plate 130 may be formed with an elongated hole communicating with the second leg 330 so that the long elongated test piece is inserted into the elongated hole.

The present invention may further include a friction buffer member 400 as shown in FIGS.

The friction damping member 400 is a member for buffering the friction between the tool cage 100 and the high-pressure chamber 20.

For example, the friction buffer member 400 may be configured to include a buffer bar 410 and a fixing bolt 420.

2, the buffer bar 410 is attached to the outer circumferential surface of the post 110 constituting the tool cage 100, faces the inner circumferential surface of the high-pressure chamber 20, and is made of a buffer material to buffer the friction .

That is, the buffer bar 410 buffers the friction while facing the high-pressure chamber 20 when the tool cage 100 hits the high-pressure chamber 20 while being pushed into the high-pressure chamber 20 through the pulling of the crane.

The buffer bar 410 may be made of, for example, an engineering plastic material or any other material capable of exhibiting the same effect.

The fixing bolt 420 is fastened to the post 110 through the buffer bar 410 as shown in FIG. 2 to fix the buffer bar 410 to the post 110.

It is preferable that the fixing bolts 420 are fastened in a state that the head is embedded in the buffer bar 410 so as not to be in contact with the high-pressure chamber 20.

A method for carrying out the withstand pressure test using the specimen placing apparatus 10 of the present invention including the above-described components will be described with reference to Fig.

5, the test method according to the present invention includes a mounting preparation step S100, a specimen mounting step S200, an equipment mounting step S300, a towing step S400, a cable connecting step S500, Step S600 and chamber closing step S700.

The mounting preparation step S100 is a step of preparing the specimen mounting apparatus 10 as described above. The quantity and height of the ring bracket 120 are adjusted according to the size and shape of the specimen.

Here, in the mounting preparation step (SlOO), a buffer bar attaching step may be added in which the buffer bar 410 described above is attached to the outer surface of the post 110. [

The specimen mounting step S200 is a step of mounting the test specimen on the tool cage 100, placing the specimen on the bottom plate 130 and fixing the specimen to the ring bracket 120 via the binding member as necessary .

The equipment installation step S300 is a step of installing observation / measurement / power supply equipment such as a camera or various sensors on the tool cage 100. The observation / measurement / power supply equipment is installed on the ring bracket 120, And the cables of the measurement / power supply equipment are accommodated in the cable accommodating space 200a provided in the cable holder 200 in a state in which they are arranged.

At this time, the cable is connected to the observation / measurement / power supply device through the cable outlet hole 200b formed in the inner cylinder 220 of the cable holder 200, and the cable is drawn out from the bottom surface of the cable holder 200 And the other end is drawn to the lower portion of the tool cage 100 through the hole 200b.

The towing step S400 is a step of lifting the specimen-holding device 10 to the upper portion of the high-pressure chamber 20. The towing line of the crane is fastened to the fastening ring 250 provided in the cable holder 200, And the specimen-holding device 10 is moved.

The cable connection step S500 is a step of connecting the cable of the observation / measurement / power supply equipment to the cable connector 21 of the high-pressure tank 20 so that the cable housed in the cable holder 200 is connected to the bottom of the cable holder 200 Through the cutout 131 of the bottom plate 130 and the cable draw-out hole 200b formed on the surface of the high-pressure tank 20, and is connected to the cable connector 21 of the high-

The injecting step S600 is a step of putting the specimen placing apparatus 10 into the high-pressure chamber 20 and placing the specimen placing apparatus 10 in a descending position by operating the crane.

At this time, since the buffer bar 410 is attached to the outer surface of the tool cage 100, even if the tool cage 100 hits the high pressure chamber 20, it does not cause damage or breakage of the high pressure chamber.

The tool gauge 100 is also configured such that the first leg 320 and the second leg 330 constituting the base member are seated on the bottom surface of the high-pressure chamber 20 while accommodating the cable connector 21 in the spacing space It is smoothly seated without interference.

Then, the tester separates the pull string of the crane from the tool cage 100 and closes the high-pressure chamber 20 to perform the pressure test of the specimen (S700).

On the other hand, when the withstand pressure test is completed, the above process is performed in the reverse order.

As described above, according to the specimen placing apparatus 10 for internal pressure test according to the present invention and the internal pressure test method therefor, the tool cage 100, which is fixed in a state where the specimen is held, is held by the base member 300 Pressure chamber 20 is prevented from being interfered with by the cable connector 21 installed on the bottom surface of the high-pressure chamber 20, the insertion of the specimen is facilitated and the cable connector 21 can be prevented from being damaged.

The first leg 320 and the second leg 330 are spaced apart from each other and fixed to the lower end of the tool cage 100 so that the first leg 320 and the second leg 330, (330) is seated on the bottom surface of the high-pressure chamber (20), so that the cable connector (21) is accommodated in the spacing space and is not interfered.

In addition, since the second leg 330 is formed in a cylindrical shape and the communication hole 331 is formed along the wall surface, the occurrence of air pockets inside the second leg 330 is prevented, have.

In addition, since the cable holder 200 is provided on the top of the tool cage 100, the cables of the observation / measurement / power supply equipment can be housed in an organized state, The cable of the cable holder 200 can be easily connected to the cable connector 21 of the high-pressure chamber 20 while the cable of the cable holder 200 is drawn to the lower portion of the tool cage 100 through the cut-

Furthermore, since the buffer bar 410 made of a buffer material adheres to the outer surface of the tool cage 100 to buffer the friction with the high-pressure chamber 20, damage or breakage of the high-pressure chamber 20, which is expensive equipment, can be prevented.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various changes, substitutions, and alterations can be made therein without departing from the spirit of the invention.

10: specimen mounting device 20: high pressure chamber
21: Cable connector
100: Tool cage 110: Post
120: ring bracket 130: bottom plate
131: incision part 200: cable holder
200a: Cable accommodating space 200b: Cable pull-out hole
210: inner cylinder 220: outer cylinder
250: fastening ring 300: base member
310: fixing plate 320: first leg
330: second leg 331: communication hole
400: Friction buffer member 410: Buffer bar
420: Fixing bolt

Claims (9)

A specimen restraint device for internal pressure test which is put into a high-pressure chamber or discharged from a high-pressure chamber together with observation / measurement / power supply equipment in the state where a specimen is mounted for pressure-
A plurality of posts providing a supporting force and a plurality of rings each of which is adjustably adjustable in height along the longitudinal direction of the posts to provide a mounting portion of the observation / measurement / A tool cage which is made up of a bracket and a bottom plate attached to a lower end of the post and to which a specimen is mounted and is inserted into the high pressure chamber while being pulled by a crane;
A cable holder provided at an upper end of the tool cage and accommodated in a state in which a cable of the observation / measurement / power supply equipment installed in the ring bracket is wound; And
Pressure chamber and a space between the bottom surface of the high-pressure chamber and the tool cage while being fixed to a bottom plate of the tool cage, And a base member for preventing interference caused by the base member,
The tool cage,
Wherein a cutout is formed in a part of the rim of the bottom plate to connect the cable of the observation / measurement / power supply equipment and the cable connector of the high-pressure chamber through the cutout.
The method according to claim 1,
Wherein the base member comprises:
A fixing plate fixed to the lower portion of the bottom plate with a cutout like the bottom plate;
A first leg fixed to both sides of the fixing plate and extending downward and seated on a bottom surface of the high-pressure chamber; And
And a second leg fixed to a center of the fixing plate so as to be spaced apart from the first leg so as to be lowered and to be seated on a bottom surface.
The method of claim 2,
Wherein the first leg is fixed to both sides of the fixing plate while being in an arc shape,
Wherein the second leg is fixed to the center of the fixing plate in a cylindrical shape.
The method of claim 3,
Wherein the second leg comprises:
Characterized in that at least one communication hole is formed through the wall surface so as to prevent air pockets from being formed in the inside of the cylinder.
The method according to claim 1,
Wherein the cable holder comprises:
An outer cylinder fixed to the upper end of the tool cage in a cylindrical shape; And
And an inner cylinder which is spaced apart from the inner circumferential surface of the outer cylinder and fixed in a cylindrical shape inside the outer cylinder to provide a cable receiving space in the form of a ring.
The method of claim 5,
Wherein the cable holder comprises:
Wherein at least one cable lead-out hole is formed in the outer cylinder or the inner cylinder to draw a cable accommodated in the cable receiving space to the lower portion of the tool cage through the cable lead-out hole.
The method according to claim 1,
Further comprising a friction buffer member provided on an outer surface of the tool cage to buffer friction between the high-pressure chamber and the tool cage,
The friction damping member
A buffer bar of a cushioning material attached to an outer surface of the post constituting the tool cage and facing the inner circumferential surface of the high-pressure chamber; And
And a fixing bolt penetrating the buffer bar and fastened to the post to fix the buffer bar.
A plurality of posts providing a supporting force and a plurality of rings each of which is adjustably adjustable in height along the longitudinal direction of the posts to provide a mounting portion of the observation / measurement / A bracket and a bottom plate provided at a lower end of the post and formed with a cutout at a part of the rim while the specimen is mounted, the tool cage being inserted into the high-pressure chamber while being pulled by a crane; A cable holder provided at an upper end of the tool cage and accommodated in a state in which a cable of the observation / measurement / power supply equipment installed in the ring bracket is wound; And a cable connector mounted on a bottom surface of the high-pressure chamber while providing a spacing space between the bottom surface of the high-pressure chamber and the tool cage, And a base member for preventing interference with the sample holder;
Placing a specimen on a bottom plate of the tool cage and fixing the specimen to the ring bracket of the tool cage;
Installing equipment for installing an observation / metering / power supply device on the ring bracket of the tool cage and accommodating cables of the observation / measurement / power supply equipment in the cable holder;
A towing step of connecting a crane to the tool cage and raising the mounting device to the upper portion of the high-pressure chamber;
A cable connection step of connecting the cable of the observation / measurement / power supply equipment accommodated in the cable holder to a cut-out portion formed on a bottom plate of the tool cage and connecting the cable to a cable connector of the high-pressure chamber;
The crane is operated to put the mounting device in the high-pressure chamber and the high-pressure chamber is placed on the bottom surface of the high-pressure chamber through the base member; And
And a chamber closing step of separating the crane from the tool cage and closing the high-pressure chamber to perform a pressure-proof test.
The method of claim 7,
In the mounting preparation step,
Further comprising the step of attaching a buffering bar of a buffer material to an outer surface of the post constituting the tool cage.
KR1020140166372A 2014-11-26 2014-11-26 Mounting apparatus for hydrostatic pressure test of specimen and method for pressure test using the same KR20160062975A (en)

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CN110954404A (en) * 2019-12-26 2020-04-03 哈尔滨工业大学 Buckling-restrained device and method suitable for plate-shaped test piece compression test
CN113640133A (en) * 2021-08-11 2021-11-12 中国工程物理研究院激光聚变研究中心 Sealing film mechanical property testing device based on expansion method
CN113916625A (en) * 2021-09-28 2022-01-11 北海惠科半导体科技有限公司 Automatic grinding device and microsection equipment
KR20220033562A (en) * 2020-09-07 2022-03-17 한국생산기술연구원 An external pressure test apparatus and system capable of pressure control
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KR102520823B1 (en) 2022-11-15 2023-04-11 (재)한국건설생활환경시험연구원 Buoyancy test method using test apparatus for sea water pressure

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CN106840896A (en) * 2017-01-17 2017-06-13 江苏科技大学 One kind carries Visualized Flexible Pressure chamber hydrostatic test device
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CN110954404A (en) * 2019-12-26 2020-04-03 哈尔滨工业大学 Buckling-restrained device and method suitable for plate-shaped test piece compression test
CN110954404B (en) * 2019-12-26 2021-06-25 哈尔滨工业大学 Buckling-restrained device and method suitable for plate-shaped test piece compression test
KR20220033562A (en) * 2020-09-07 2022-03-17 한국생산기술연구원 An external pressure test apparatus and system capable of pressure control
CN113640133A (en) * 2021-08-11 2021-11-12 中国工程物理研究院激光聚变研究中心 Sealing film mechanical property testing device based on expansion method
CN113640133B (en) * 2021-08-11 2024-05-07 中国工程物理研究院激光聚变研究中心 Sealing film mechanical property testing device based on expansion method
CN113916625A (en) * 2021-09-28 2022-01-11 北海惠科半导体科技有限公司 Automatic grinding device and microsection equipment
CN113916625B (en) * 2021-09-28 2024-05-03 北海惠科半导体科技有限公司 Automatic grinding device and metallographic slicing equipment
KR102507756B1 (en) 2022-09-22 2023-03-07 (재)한국건설생활환경시험연구원 Test apparatus for sea water pressure
KR102520823B1 (en) 2022-11-15 2023-04-11 (재)한국건설생활환경시험연구원 Buoyancy test method using test apparatus for sea water pressure

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