CN205826412U - A kind of tubing special fixture for hydrostatic tester - Google Patents

A kind of tubing special fixture for hydrostatic tester Download PDF

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Publication number
CN205826412U
CN205826412U CN201620655976.7U CN201620655976U CN205826412U CN 205826412 U CN205826412 U CN 205826412U CN 201620655976 U CN201620655976 U CN 201620655976U CN 205826412 U CN205826412 U CN 205826412U
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CN
China
Prior art keywords
tubing
closure
clamp body
rear end
special fixture
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201620655976.7U
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Chinese (zh)
Inventor
陈仕达
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Individual
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Individual
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Priority to CN201620655976.7U priority Critical patent/CN205826412U/en
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Anticipated expiration legal-status Critical

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Abstract

This utility model belongs to tubing test machine field, is specifically related to a kind of tubing special fixture for hydrostatic tester, blocks including front end closure and rear end;Closure top, front end water inlet;Front end closure includes blanking cover, clamp body;Clamp body is the structure that three parts are identical, and the both sides of clamp body are provided with the surface indentation of flange hole, clamp body and tubing joint part;Rear end closure is identical with front end plugging structure.Beneficial effect: 1, front end of the present utility model closure and rear end closure are single piece after connecting, and stability is high, and good sealing effect is hardly damaged, it is ensured that the reliability of its sealing effectiveness;Significantly increase the success rate of test, improve work efficiency, save manpower and time cost;2, this utility model is less demanding to bolt connection tautness, it is easy to fast mount and dismount;Lightweight, it is firm to seal, and can repeatedly use, and can ensure the accuracy of experimental data to greatest extent.

Description

A kind of tubing special fixture for hydrostatic tester
Technical field
This utility model belongs to tubing test machine field, is specifically related to a kind of tubing exclusive clamps for hydrostatic tester Tool.
Background technology
Pipe hydrostatic tester crushes for measuring resistance under long-time constant internal pressure and steady temperature of various tubing Bad time or the maximum pressure value of instant blasting, be tubing production firm and the detection equipment of testing agency's indispensability.
Tubing hydrostatic test is used for measuring the various tubing such as thermoplastic pipe, composite pipe and PAP when long Between pressure time to rupture under constant internal pressure and steady temperature or the maximum pressure value of instant blasting, be to investigate plastic pipe performance Important experiment.The sealing clamp sealed for tubing in the resistance to hydrostatic test of tubing is requisite, existing sealing In device, some clamp assembly is more, the heaviest, and installation and removal are wasted time and energy.Prior art is used for placing O RunddichtringO Groove dependent groove, be to be allowed to deform the effect reaching to seal, suffered by such O by trim ring extruding O RunddichtringO The mechanical pressure arrived is relatively big, repeatedly extrudes fragile, affects sealing effectiveness.
Chinese patent CN103698206A discloses a kind of sealing clamp for the test of plastic pipe internal pressure-resistant.This fixture Including front-end end enclosure, rear end end socket and pull bar, the two ends of pull bar are used after being each passed through the connecting hole of front-end end enclosure and rear end end socket Fastening nut is fixed, and the inner end at front-end end enclosure and rear end end socket respectively connects a pressure ring by bolt, front and back ends end socket with All being clamped with O RunddichtringO between pressure ring, front and back ends end socket inner face is provided with the arc groove coordinated with O RunddichtringO.Described draw The axial compressive force that tubing is subject to by bar is converted to the pulling force that pull bar bears, but described fixture not only structure complexity weight is big, tears open Dress inconvenience, poor stability, and also, sealing gasket high to pipe notch level requirements is squeezed at port and is easy to squeeze rotten damage.
The most existing fixture is to fix by radial compression or embedding tubing mostly, difficult drop-off when making seal head suppress, Disadvantage of this is that be easily caused sample tubing two ends exposed part is affected the accuracy of experimental result by external force crimp.For Make tubing hold its shape as far as possible state, be necessary for changing fixed form, use rod-pulling type to fix.Plant site processing at present one During a little be pilot, frock is the most fairly simple, but complex operation, particularly multiple spot compress, and need manual compression one by one, Being easy to occur that thrust is uneven in the case of contact area is little in compaction process, workpiece is deformed, the when that pressure point being many There is also few pressure, the situation of leakage pressure so that crudy and inefficient.
Utility model content
A kind of sealing clamp for the resistance to hydrostatic test of tubing, blocks including the front end being installed on tubing front end and installs Block in the rear end of tubing rear end;Closure top, front end is additionally provided with the water inlet to tubing internal water flooding;Front end closure includes in U The blanking cover of shape, inlays the clamp body being connected and blanking cover being fixed on tubing front end with blanking cover;Clamp body is the structure that three parts are identical Making, the both sides of clamp body are provided with the surface indentation of flange hole, clamp body and tubing joint part;Rear end closure and front end Plugging structure is identical.
The most specifically optimize as this utility model scheme, front end closure and rear end closure with inside be respectively provided with Having sealing gasket, sealing gasket is O-ring seals and Y shape sealing gasket.
The most specifically optimizing as this utility model scheme, the end of blanking cover is provided with a circle bossing, clamp body Side be provided with female parts;Bossing and female parts cooperate;Y shape sealing gasket is sealed in bossing and inner fovea part In the gap divided.
The most specifically optimizing as this utility model scheme, three parts of clamp body are bolted the most solid Fixed, form a full-circle spray pattern when connecting clamping, and tubing is formed a space closed with blanking cover and sealing ring.
The most specifically optimize as this utility model scheme, the jagged orientation on clamp body surface and tubing Direction be mutually perpendicular to.
The most specifically optimizing as this utility model scheme, the top of front end closure is provided with is easy to hanging of lifting installation Ear;The bottom of rear end closure is additionally provided with passive leg, and the connected mode that leg blocks with rear end is for welding.
The most specifically optimizing as this utility model scheme, the material of blanking cover is 45# steel or 304 rustless steels;Folder Concrete material is 45# steel or 304 rustless steels;The material of water inlet is 45# steel or 304 rustless steels;Water inlet and front end The connected mode of closure is threaded or welding.
Compared with prior art, this utility model has the advantages that
1, front end of the present utility model closure and rear end closure are single piece after connecting, and stability is high, sealing effectiveness Good, the mechanical pressure that in experimentation, sealing ring is subject to is less, is hardly damaged, it is ensured that the reliability of its sealing effectiveness;Notable increasing Add the success rate of test, improve work efficiency, saved manpower and time cost;
2, this utility model simple structure, convenient and swift, bolt is connected tautness less demanding, it is easy to quick install and Dismounting;Lightweight, it is firm to seal, and can repeatedly use, and can ensure the accuracy of experimental data to greatest extent.
Accompanying drawing explanation
Fig. 1 is this utility model integral installation structural representation;
Fig. 2 is this utility model integral installation structural representation;
Fig. 3 is the structural representation of this utility model clamp body;
Fig. 4 is the structural representation of this utility model clamp body;
Fig. 5 is the structural representation of this utility model blanking cover;
In figure, 1, blanking cover, 2, O-ring seals, 3, y-shaped ring, 4, clamp body, 5, bolt, 6, tubing, 7, hanger, 8, Water inlet, 9, nut.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure Complete conveys to those skilled in the art.
In description of the present utility model, it is to be understood that term " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " etc. instruction orientation or position relationship be based on Orientation shown in the drawings or position relationship, be for only for ease of and describe this utility model rather than instruction or the dress of hint indication Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model Restriction.
A kind of sealing clamp for the resistance to hydrostatic test of tubing, as depicted in figs. 1 and 2, including being installed on tubing 6 front end Front end closure and be installed on tubing 6 rear end rear end closure.Rear end closure is identical with front end plugging structure.Closure top, front end It is additionally provided with the water inlet 8 to tubing 6 internal water flooding.The material of water inlet 8 is 45# steel or 304 rustless steels;Water inlet 8 and front The connected mode that end seal is blocked up is threaded or welding.
Front end closure includes the blanking cover 1 taken the shape of the letter U, as it is shown in figure 5, the material of blanking cover 1 is 45# steel or 304 rustless steels.Stifled The end of lid 1 is provided with a circle bossing, and the side of clamp body 4 is provided with female parts, bossing and female parts phase interworking Close.Front end closure and rear end closure and inside be respectively arranged with sealing gasket, sealing gasket is O-ring seals 2 and Y shape sealing gasket, Y Shape sealing gasket is sealed in the gap of bossing and female parts.
As shown in Figure 3 and Figure 4, the clamp body 4 being connected and blanking cover 1 being fixed on tubing 6 front end, fixture are inlayed with blanking cover 1 The material of body 4 is 45# steel or 304 rustless steels.The structure that clamp body 4 is identical in three parts, the both sides of clamp body 4 are provided with method Flange aperture, three parts of clamp body 4 are interfixed by flange hole bolt 5 connection, form a full-circle spray pattern when connecting clamping, and Tubing 6 is formed a space closed with blanking cover 1 and sealing ring.Clamp body 4 is sawtooth with the surface of tubing 6 joint part Shape, the direction of jagged orientation and tubing 6 is mutually perpendicular to, and so can increase clamp body 4 clamping force, sealing effectiveness Good, it is ensured that the reliability of its sealing effectiveness.
The top of front end closure is provided with is easy to the hanger 7 that lifting is installed.The bottom of rear end closure is additionally provided with and plays a supportive role Leg, the connected mode that leg blocks with rear end is for welding.
Tubing hydrostatic blasting experiment fixture, is the instrument for tubing 6 pressure-bearing of blasting experiment indispensability, and this design is On the basis of existing fixture, evade falling that existing fixture exists is unfavorable for installing, poorly sealed feature and the one developed Novel clamp.This clamp structure is applicable to the hydrostatic blasting experiment of tubing, when experiment starts, first tubing 6 is loaded blanking cover 1 In, blanking cover 1 puts into O-ring seals 2 and y-shaped ring 3, then with one group of clamp body 4 and interior hexagonal spiral shell by diagram sign Tubing is formed a space closed with blanking cover and sealing ring by nail 5 and hex nut 14.In like manner, the other end of tubing is also to use Tubing is formed a space closed with blanking cover 1 and sealing ring by same mode.
Clamp body 4 is made up of the clamp block of three pieces of deciles, and three pieces form a circle, profile of tooth block and blanking cover 1 when stepping up Contact surface is conical contact, so when stepping up, Y shape sealing gasket and clamp body 4 and blanking cover 1 can be formed a sky closed Between, can tight seal when tubing is by hydraulic expansion.
Conventional brace body is overall due to clamp block, so installing relatively elaborate.When assembling fixture, because clamp block is Being installed separately, assemble on the ground so tubing can lie low, brief introduction is convenient.
Front end of the present utility model closure and rear end closure are single piece after connecting, and stability is high, good sealing effect, The mechanical pressure that in experimentation, sealing ring is subject to is less, is hardly damaged, it is ensured that the reliability of its sealing effectiveness;Significantly increase The success rate of test, improves work efficiency, has saved manpower and time cost;
This utility model simple structure, easy accessibility, convenient and swift, bolt is connected tautness less demanding, it is easy to fast Prompt installation and removal;Lightweight, it is firm to seal, and can repeatedly use, and can ensure the accuracy of experimental data to greatest extent.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model rather than limit System, although being described in detail this utility model with reference to preferred embodiment, it will be understood by those within the art that, The technical solution of the utility model can be modified or equivalent, without deviating from the essence of technical solutions of the utility model God and scope, it all should be contained in the middle of right of the present utility model.

Claims (6)

1. the tubing special fixture for hydrostatic tester, it is characterised in that before including being installed on tubing (6) front end The rear end closure of tubing (6) rear end is blocked up and be installed on to end seal;Closure top, described front end is additionally provided with to tubing (6) internal water flooding Water inlet (8);
The closure of described front end includes the blanking cover (1) taken the shape of the letter U, and inlays with blanking cover (1) and is connected and blanking cover (1) is fixed on tubing (6) The clamp body (4) of front end;The structure that described clamp body (4) is identical in three parts, the both sides of described clamp body (4) are provided with flange The surface indentation of hole, described clamp body (4) and tubing (6) joint part;
The closure of described rear end is identical with described front end plugging structure.
A kind of tubing special fixture for hydrostatic tester the most according to claim 1, it is characterised in that before described End seal is stifled and the closure of described rear end and inside be respectively arranged with sealing gasket, described sealing gasket be O-ring seals (2) and Y shape close Packing;The end of described blanking cover (1) is provided with a circle bossing, and the side of described clamp body (4) is provided with female parts;Described convex Playing part and described female parts cooperates, described Y shape sealing gasket is sealed in described bossing and described female parts In gap.
A kind of tubing special fixture for hydrostatic tester the most according to claim 1, it is characterised in that described folder Specifically three parts of (4) by bolt (5) connect interfix, connect clamping time formed a full-circle spray pattern, and by tubing (6) with Blanking cover (1) and sealing ring form a space closed.
A kind of tubing special fixture for hydrostatic tester the most according to claim 1, it is characterised in that described folder Specifically the jagged orientation on (4) surface and the direction of tubing (6) are mutually perpendicular to.
A kind of tubing special fixture for hydrostatic tester the most according to claim 1, it is characterised in that before described The top that end seal is blocked up is provided with is easy to the hanger (7) that lifting is installed;The bottom of described rear end closure is additionally provided with passive Foot, the connected mode that described leg blocks with rear end is for welding.
A kind of tubing special fixture for hydrostatic tester the most according to claim 1, it is characterised in that described stifled The material of lid (1) is 45# steel or 304 rustless steels;The material of described clamp body (4) is 45# steel or 304 rustless steels;Described The material of water inlet (8) is 45# steel or 304 rustless steels;The connected mode of described water inlet (8) and the closure of described front end is spiral shell Stricture of vagina connects or welding.
CN201620655976.7U 2016-06-28 2016-06-28 A kind of tubing special fixture for hydrostatic tester Expired - Fee Related CN205826412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620655976.7U CN205826412U (en) 2016-06-28 2016-06-28 A kind of tubing special fixture for hydrostatic tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620655976.7U CN205826412U (en) 2016-06-28 2016-06-28 A kind of tubing special fixture for hydrostatic tester

Publications (1)

Publication Number Publication Date
CN205826412U true CN205826412U (en) 2016-12-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620655976.7U Expired - Fee Related CN205826412U (en) 2016-06-28 2016-06-28 A kind of tubing special fixture for hydrostatic tester

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969983A (en) * 2017-05-09 2017-07-21 绍兴市容纳测控技术有限公司 A kind of Demolition Tester of Tubing Pressure Resistance
CN114235589A (en) * 2021-12-08 2022-03-25 南通市建筑科学研究院有限公司 Clamp of hydrostatic testing machine for pipes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969983A (en) * 2017-05-09 2017-07-21 绍兴市容纳测控技术有限公司 A kind of Demolition Tester of Tubing Pressure Resistance
CN114235589A (en) * 2021-12-08 2022-03-25 南通市建筑科学研究院有限公司 Clamp of hydrostatic testing machine for pipes
CN114235589B (en) * 2021-12-08 2024-04-16 南通市建筑科学研究院有限公司 Clamp of pipe hydrostatic testing machine

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161221

Termination date: 20170628

CF01 Termination of patent right due to non-payment of annual fee