CN214334529U

CN214334529U - External pressure test device for glass fiber reinforced plastic GRE (glass fiber reinforced plastic) pipe for ship

Info

Publication number: CN214334529U
Application number: CN202023249173.7U
Authority: CN
Inventors: 马太余; 关大亮; 冯文杰; 李浙飞; 卜亚军
Original assignee: Zhejiang Tuna Environmental Science and Technology Co Ltd
Current assignee: Zhejiang Tuna Environmental Science and Technology Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-01
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a marine glass fiber reinforced plastic GRE pipe external pressure test device, which comprises an external pressure tank mechanism and an internal support mechanism, wherein the external pressure tank mechanism comprises a flange sealing component, the two flange sealing components are sleeved on a pipe fitting to be tested and are symmetrically installed, a connecting shell is connected between the two flange sealing components, the internal support mechanism comprises a left support component and a right support component, the left support component and the right support component are respectively installed at the left end and the right end of the pipe fitting to be tested, and the left support component and the right support component are respectively connected with the two flange sealing components, the method is a powerful proof of the detection strength of the GRE pipeline.

Description

External pressure test device for glass fiber reinforced plastic GRE (glass fiber reinforced plastic) pipe for ship

Technical Field

The utility model belongs to the technical field of glass steel GRE pipe quality testing equipment technique and specifically relates to a marine glass steel GRE outside of tubes pressure test device is related to.

Background

Glass fiber reinforced plastic GRE pipeline for ship is made through winding process by epoxy resin base member, high strength glass fiber and other auxiliary material, anticorrosive and protecting against shock pipeline in mainly used boats and ships and the ocean, it is low to have a comprehensive cost, it is convenient to maintain, advantage that economic benefits is good, this pipeline is nonmetal pipeline, this kind of nonmetal pipeline is for testing its bearing performance usually need do inside or outside pressure test to test its compressive strength and yield strength, the experimental requirement reaches tertiary external pressure destruction form respectively, promptly: the pipe is made by a winding process, strength tests need to be integrally measured, the structure reference standard of the conventional external pressure test tank is ASTM D2924-2012, but the test device has more material waste and difficult guarantee of tightness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a marine glass steel GRE outside of tubes pressure test device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a marine glass steel GRE outside of tubes pressure test device, includes outer pressure jar mechanism, interior supporting mechanism, outer pressure jar mechanism includes flange seal assembly, two flange seal assembly suit is on the pipe fitting that awaits measuring, two flange seal assembly symmetry installation, two be connected with the connection casing between the flange seal assembly, interior supporting mechanism includes left supporting component, right supporting component, both ends about the pipe fitting that awaits measuring are installed respectively to left supporting component, right supporting component, left side supporting component, right supporting component link to each other respectively with two flange seal assemblies.

The flange seal subassembly includes sealing flange, blind flange, the last first sealing strip mounting groove of having seted up of sealing flange, be equipped with the layering flange on the blind flange, layering flange size and first sealing strip mounting groove phase-match, install joint strip in the first sealing strip mounting groove, the layering flange inserts in the first sealing strip mounting groove and tightly presses joint strip, connect the casing and connect between two sealing flange, connect casing, two sealing flange and the body outer wall that awaits measuring between form the outer test chamber of pipe, be connected with pressure meter joint, first water supply connector on the connection casing outer wall.

The left support component comprises a fixed compression bar and a sealing disc component, the fixed compression bar is transversely pressed at the end part of the pipe fitting to be measured, the fixed compression bar is made of section steel, long connecting studs are arranged at two ends of the fixed compression bar and connected with the cover plate flange, a sealing disc connecting stud is inserted in the middle of the fixing pressure rod, one end of the sealing disc connecting stud is fixedly connected with the fixing pressure rod by a nut, the other end of the sealing disc connecting stud is connected with a sealing disc component which is arranged in the pipe fitting to be tested, the right supporting component and the left supporting component have the same structure, the right supporting component and the left supporting component are symmetrically arranged, and a second water inlet joint and a liquid level pipe joint are connected to the right supporting component, a liquid level pipe is installed on the liquid level pipe joint, and an in-pipe test cavity is formed between the sealing disc component and the inner wall of the pipe fitting to be tested.

Seal dish component includes first sealed dish, second sealed dish, first sealed dish, second sealed dish external diameter size and the pipe fitting internal diameter size phase-match that awaits measuring, second sealing strip mounting groove has been seted up on the second sealed dish, also install joint strip in the second sealing strip mounting groove, threaded mounting has a plurality of pressure dish bolt sets on first sealed dish, the second sealed dish, through pressure dish bolt set compresses tightly first sealed dish, second sealed dish, pressure dish bolt set adopts welded seal with first sealed dish, second sealed dish contact surface, first sealed dish outside end face links to each other with sealed dish connecting stud.

The second water inlet joint, the liquid level pipe joint run through the first sealing disc and the second sealing disc, and the liquid level pipe extends to the outside of the pipe fitting to be measured.

The utility model has the advantages that: the utility model discloses it is rational in infrastructure, adopt silica gel strip circumference sealed, inside outside dual seal effect can be realized to unique seal structure, the utility model discloses an operation, simple installation, cost low cost, the actual biggest bearing capacity of measuring pipeline that can be accurate, the distortion, the bearing strength of compression and fracture destruction is the powerful proof of GRE pipeline detection intensity.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a view showing an installation structure of the external pressure tank mechanism of the present invention;

fig. 3 is a schematic structural view of the left support assembly of the present invention;

fig. 4 is a schematic structural view of the right support assembly of the present invention.

In the figure: the outer pressure tank mechanism 1, the flange seal assembly 11, the seal flange 111, the first seal strip mounting groove 112, the cover plate flange 113, the bead flange 114, the seal rubber strip 115, the connecting shell 12, the pressure gauge joint 13, the first water inlet joint 14, the outer pipe test chamber 15, the inner support mechanism 2, the left support assembly 21, the fixed pressure bar 211, the long connecting stud 212, the seal disc connecting stud 213, the seal disc member 214, the first seal disc 2141, the second seal disc 2142, the second seal strip mounting groove 2143, the pressure disc bolt group 2144, the right support assembly 22, the second water inlet joint 23, the liquid level pipe joint 24, the liquid level pipe 25 and the pipe inner test chamber 26.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the descriptions of "left", "right", etc. in the present invention all refer to fig. 1 as the reference direction:

as shown in fig. 1-4, a marine glass fiber reinforced plastic GRE pipe external pressure test device, including external pressure jar mechanism 1, interior support mechanism 2, external pressure jar mechanism 1 includes flange seal assembly 11, two flange seal assembly 11 suits are on the pipe fitting that awaits measuring, two flange seal assembly 11 symmetry installations, be connected with connecting shell 12 between two flange seal assembly 11, interior support mechanism 2 includes left supporting component 21, right supporting component 22, left supporting component 21, right supporting component 22 is installed respectively at both ends about the pipe fitting that awaits measuring, left supporting component 21, right supporting component 22 links to each other respectively with two flange seal assembly 11, external pressure jar mechanism 1 is used for outside pressurization test, interior support mechanism 2 is used for supporting the pipe body that awaits measuring and plays the effect of body test result feedback.

The flange sealing assembly 11 comprises a sealing flange 111 and a cover plate flange 113, the sealing flange 111 and the cover plate flange 113 are fixedly connected through bolts, a first sealing strip installation groove 112 is formed in the sealing flange 111, a pressing strip flange 114 is arranged on the cover plate flange 113, the size of the pressing strip flange 114 is matched with that of the first sealing strip installation groove 112, a sealing rubber strip 115 is installed in the first sealing strip installation groove 112, the pressing strip flange 114 is inserted into the first sealing strip installation groove 112 and tightly presses the sealing rubber strip 115, a connecting shell 12 is connected between the two sealing flanges 111, the sealing rubber strip 115 plays a role in sealing the external pressure tank mechanism 1, an external pipe test cavity 15 is formed between the two sealing flanges 111 and the outer wall of a pipe body to be tested, the external pipe body to be tested can be tested by injecting water and pressurizing in the external pipe body test cavity 15, a pressure gauge joint 13 and a first water inlet joint 14 are connected on the outer wall of the connecting shell 12, and the pressure gauge joint 13 is connected with a pressure gauge, the pressure situation can be intuitively understood, and the first water inlet joint 14 is used for filling the outer test cavity 15 with water.

The left support component 21 comprises a fixed compression bar 211 and a sealing disc component 214, the length of the fixed compression bar 211 is larger than the diameter of the pipe fitting to be detected, so that the fixed compression bar 211 can be transversely pressed at the end part of the pipe fitting to be detected, the fixed compression bar 211 is made of profile steel, long connecting studs 212 are arranged at both ends of the fixed compression bar 211, the long connecting studs 212 are connected with the cover plate flange 113, so that the left support component 21 is connected with the external pressure tank mechanism 1 into a whole, the installation position of the left support component 21 is fixed, a sealing disc connecting stud 213 is inserted and installed in the middle of the fixed compression bar 211, one end of the sealing disc connecting stud 213 is fixedly connected with the fixed compression bar 211 by a nut, the other end of the sealing disc connecting stud 213 is connected with the sealing disc component 214, the sealing disc component 214 is installed in the pipe fitting to be detected, the sealing disc component 214 is firstly pushed into the pipe fitting to be detected, when the pushing depth meets the requirement, the sealing disc connecting stud 213 is fixed with the fixed compression bar 211 by the nut, thus, the loading position of the sealing disc member 214 is positioned, the right support assembly 22 and the left support assembly 21 are identical in structure, the right support assembly 22 and the left support assembly 21 are symmetrically installed, the right support assembly 22 is connected with the second water inlet joint 23 and the liquid level pipe joint 24, the liquid level pipe 25 is installed on the liquid level pipe joint 24, an inner test cavity 26 is formed between the two sealing disc members 214 and the inner wall of the pipe to be tested, the sealing disc member 214 plays a role in sealing the inner test cavity 26, the second water inlet joint 23 is used for injecting water into the inner test cavity 26, the liquid level pipe 25 can observe water level data, during a pressurization detection experiment, the outer test cavity 15 and the inner test cavity 26 are filled with water, the outer test cavity 15 is continuously pressurized to cause the deformation of the outer wall of the experimental pipe body, so that the volume change condition in the inner test cavity 26 can be displayed through the liquid level pipe 25, and the distortion and the compression condition of the pipe body under the pressurized condition can be judged, the pressure condition in the seawater environment is simulated in real time, when the inner test cavity 26 is not filled with water, a damage experiment can be carried out, the outer test cavity 15 is independently pressurized, the limit crack bearing capacity and the damage pressure of the pipe body are measured, the length setting of the inner test cavity 26 is preferably kept consistent with the length of the outer test cavity 15, and the experiment data are accurate.

The sealing disk member 214 comprises a first sealing disk 2141 and a second sealing disk 2142, the outer diameter of the first sealing disk 2141 and the outer diameter of the second sealing disk 2142 are matched with the inner diameter of the pipe to be tested, the second sealing disk 2142 is provided with a second sealing strip mounting groove 2143, a sealing rubber strip 115 is also mounted in the second sealing strip mounting groove 2143, the first sealing disk 2141 and the second sealing disk 2142 play a supporting and sealing role, a plurality of pressure plate bolt groups 2144 are threadedly mounted on the first sealing disk 2141 and the second sealing disk 2142, the first sealing disc 2141 and the second sealing disc 2142 are tightly pressed by the pressure disc bolt set 2144, the sealing effect of the sealing rubber strip 115 is guaranteed, the contact surfaces of the pressure disc bolt set 2144, the first sealing disc 2141 and the second sealing disc 2142 adopt welding sealing, the water sealing effect of the sealing disc component 214 is guaranteed, water leakage from the pressure disc bolt set 2144 is prevented, and the outer end face of the first sealing disc 2141 is connected with the sealing disc connecting stud 213.

The second water inlet joint 23 and the liquid level pipe joint 24 penetrate through the first sealing disc 2141 and the second sealing disc 2142, and the liquid level pipe 25 extends to the outer side of the pipe to be tested, so that the water level of the liquid level pipe 25 can be observed conveniently.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a marine glass steel GRE outside of tubes pressure test device, includes outer pressure jar mechanism (1), interior supporting mechanism (2), its characterized in that: external pressure jar mechanism (1) includes flange seal assembly (11), two flange seal assembly (11) suit is on the pipe fitting that awaits measuring, two flange seal assembly (11) symmetry installation, two be connected with between flange seal assembly (11) and connect casing (12), interior supporting mechanism (2) are including left supporting component (21), right supporting component (22), both ends about the pipe fitting that awaits measuring are installed respectively to left supporting component (21), right supporting component (22), left side supporting component (21), right supporting component (22) link to each other respectively with two flange seal assemblies (11).

2. The external pressure test device for the GRE pipe of the ship as claimed in claim 1, wherein: the flange sealing assembly (11) comprises a sealing flange (111) and a cover plate flange (113), a first sealing strip mounting groove (112) is formed in the sealing flange (111), a pressing strip flange (114) is arranged on the cover plate flange (113), the bead flange (114) is sized to mate with the first seal strip mounting groove (112), a sealing rubber strip (115) is arranged in the first sealing strip mounting groove (112), the bead flange (114) is inserted into the first bead mounting groove (112) and presses the bead rubber (115), the connecting shell (12) is connected between the two sealing flanges (111), an outer pipe test cavity (15) is formed between the connecting shell (12), the two sealing flanges (111) and the outer wall of the pipe body to be tested, the outer wall of the connecting shell (12) is connected with a pressure gauge connector (13) and a first water inlet connector (14).

3. The external pressure test device for the GRE pipe of the ship as claimed in claim 2, wherein: left side supporting component (21) is including fixed depression bar (211), sealed dish component (214), fixed depression bar (211) violently presses at the pipe fitting tip that awaits measuring, fixed depression bar (211) are the shaped steel preparation, fixed depression bar (211) both ends are all installed long even double-screw bolt (212), long even double-screw bolt (212) link to each other with apron flange (113), fixed depression bar (211) middle part cartridge has installed sealed dish connecting stud (213), sealed dish connecting stud (213) one end adopts the nut to be connected fixedly with fixed depression bar (211), sealed dish connecting stud (213) other end links to each other with sealed dish component (214), sealed dish component (214) is installed in the pipe fitting that awaits measuring, right side supporting component (22) is unanimous with left supporting component (21) structure, right side supporting component (22) and left supporting component (21) symmetry installation, be connected with second water supply connector (23), liquid level pipe joint (24) on right side supporting component (22), install liquid level pipe (25), two on the liquid level pipe joint (24) seal and form test chamber in the pipe fitting (26) between dish component (214) and the pipe fitting inner wall that awaits measuring.

4. The external pressure test device for the GRE pipe of the ship as claimed in claim 3, wherein: seal dish component (214) includes first seal dish (2141), second seal dish (2142), first seal dish (2141), second seal dish (2142) external diameter size and the pipe fitting internal diameter size phase-match that awaits measuring, second seal dish (2142) are gone up and have been seted up second sealing strip mounting groove (2143), also install joint strip (115) in second sealing strip mounting groove (2143), threaded mounting has a plurality of pressure dish bolt groups (2144) on first seal dish (2141), second seal dish (2142), through pressure dish bolt group (2144) compress tightly first seal dish (2141), second seal dish (2142), pressure dish bolt group (2144) and first seal dish (2141), second seal dish (2142) contact surface adopt welded seal, first seal dish (2141) external end face links to each other with seal dish connecting stud (213).

5. The external pressure test device for the GRE pipe of the ship as claimed in claim 3, wherein: second water supply connector (23), liquid level coupling (24) run through first sealed dish (2141), the installation of second sealed dish (2142), liquid level pipe (25) extend to the pipe fitting outside that awaits measuring.