CN205826412U - A kind of tubing special fixture for hydrostatic tester - Google Patents
A kind of tubing special fixture for hydrostatic tester Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- tubing
- closure
- clamp body
- rear end
- special fixture
- Prior art date
- 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
Links
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000007373 indentation Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005422 blasting Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
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
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.
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
ID=57565925
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)
| Country | Link |
|---|---|
| CN (1) | CN205826412U (en) |
Cited By (2)
| 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 |
-
2016
- 2016-06-28 CN CN201620655976.7U patent/CN205826412U/en not_active Expired - Fee Related
Cited By (3)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |