CN106595968A - Glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method - Google Patents
Glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method Download PDFInfo
- Publication number
- CN106595968A CN106595968A CN201710040845.7A CN201710040845A CN106595968A CN 106595968 A CN106595968 A CN 106595968A CN 201710040845 A CN201710040845 A CN 201710040845A CN 106595968 A CN106595968 A CN 106595968A
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- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 82
- 238000011056 performance test Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000011152 fibreglass Substances 0.000 title abstract 4
- 239000004570 mortar (masonry) Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 25
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 24
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 24
- 238000003556 assay Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 230000002085 persistent effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 210000004907 gland Anatomy 0.000 abstract 3
- 238000003908 quality control method Methods 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method. The device comprises a front fixed disc and a rear gland; one side, positioned close to the rear gland, of the front fixed disc is provided with a pipe outer wall positioning ring and a pipe inner wall positioning ring; one side, positioned close to the front fixed disc, of the rear gland is provided with a pipe inner wall installation ring; a sample pipe ring to be detected is arranged between the pipe outer wall positioning ring and the pipe inner wall installation ring in a sealed manner; the sample pipe ring to be detected, the pipe outer wall positioning ring, the pipe inner wall positioning ring and the front fixed disc form a sealed hydraulic pressure detection cavity, the front fixed disc is provided with a water inlet pipe and a water outlet pipe, and a pressure detection meter is mounted on the water inlet pipe. The device and method disclosed in the invention can be used for detecting water tight performance of a pipe cross section of a glass fiber reinforced plastic mortar pipe; the device and method can be used for evaluating pipe manufacture technologies, detecting products and determining an application pressure grade; convenience of quality control of a manufactured glass fiber reinforced plastic mortar pipe can be realized.
Description
Technical field
The invention belongs to GRP pipe technical field, and in particular to a kind of chamber for fibre-reinforced plastics sand inclusion tube wall cuts
Face water-pressure sealed performance test apparatus and method.
Background technology
During the production and application of chamber for fibre-reinforced plastics sand inclusion pipe, excellent tube wall section water-pressure sealed performance is
The basic demand of rapid pipeline repairing is realized, one of key performance is even more especially for the GRP pipe of laminated plate structure,
But the water-pressure sealed performance in tube wall section how is checked, in prior art, lacks effective method and apparatus so that cannot be timely
The water-pressure sealed performance in detection chamber for fibre-reinforced plastics sand inclusion tube wall section, affects chamber for fibre-reinforced plastics sand inclusion pipe
Quality management and control.
The content of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, there is provided a kind of glass fibre increases
Strong plastics clamp sand pipe tube wall section water-pressure sealed performance test apparatus and method, it is capable of the pipeline of easily test at random pipeline
Section water sealing property, can be not only used for the evaluation of pipeline production technology, also product can be tested and applying pressure grade judges,
It is more convenient the chamber for fibre-reinforced plastics sand inclusion pipe quality management and control of production.
The technical solution adopted in the present invention is：A kind of chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed
Energy assay device, the front fixed disk arranged including in front and back's confronting coaxial and rear pressing cover, lead between the front fixed disk and rear pressing cover
Cross nut bolt structure to be detachably located by connecting, the front fixed disk is provided with co-axial near the side of the rear pressing cover
Pipe outer wall locating ring and inside pipe wall locating ring, are provided with pipe outer wall sealing ring, the rear pressure on the inside of the pipe outer wall locating ring
Lid is provided with co-axial inside pipe wall mounting ring, the inside pipe wall mounting ring and the pipe near the side of the front fixed disk
Inwall locating ring cooperates and inside pipe wall sealing ring is provided between them, and the pipe outer wall locating ring is pacified with the inside pipe wall
Sealing between dress ring and the pipe outer wall locating ring arranges sample pipe ring to be detected, and the sample pipe ring to be detected, pipe outer wall are fixed
Position ring, closed hydraulic pressure detection sealed volume between inside pipe wall locating ring and front fixed disk, is constituted, set on the front fixed disk
The water inlet pipe and outlet pipe communicated with above-mentioned hydraulic pressure detection sealed volume is equipped with, pressure detecting table is installed at the water inlet pipe.
Preferably, the front fixed disk and the rear pressing cover are circulus, and the nut bolt knot between them
Structure be distributed uniformly and circumferentially it is multiple on the outside of the pipe outer wall locating ring.
Preferably, the pipe outer wall locating ring is integrally formed with the front fixed disk, and the pipe outer wall locating ring
Inner side is provided with the pipe outer wall seal groove that matching is embedded in for the pipe outer wall sealing ring.
Preferably, the inside pipe wall locating ring is provided with ring for fixing near one end of the front fixed disk, the ring for fixing
It is fixedly connected with the front fixed disk by multiple nut bolt structures, before being provided between the ring for fixing and the front fixed disk
End-face seal ring, is provided with the front end face seal groove that matching is embedded in for the front end face sealing ring on the ring for fixing.
Preferably, the ring-type planted for the sample pipe ring to be detected is provided with the outside of the inside pipe wall mounting ring determining
Position boss, the inner side of the annular locating lug boss are affixed with the inside pipe wall mounting ring, and anticreep convex edge is provided with the outside of which.
Preferably, the sealing that cooperation is embedded in for the inside pipe wall sealing ring is provided with the outside of the inside pipe wall locating ring
Breach, the upper edge of the seal gap are provided with sealing ring located crush ring, and the upper edge of the inside pipe wall mounting ring is embedded in above-mentioned
In seal gap, and it is provided with the sealing ring installation extrusion ring coordinated with above-mentioned sealing ring located crush ring.
Preferably, the inner side correspondence seal gap position of the inside pipe wall locating ring is provided with support ring.
One kind carries out water-pressure sealed performance to chamber for fibre-reinforced plastics sand inclusion tube wall section using above-mentioned assay device
The method of test, which includes following several steps：
A, sampling, chamber for fibre-reinforced plastics sand inclusion pipe sample of the random selection using ring stiffness test；
B, sample processing, the length of sample is intercepted to 200-400mm, sample pipe ring is formed, while to sample pipe ring two ends end
Face carries out machining so as to which two ends end face is mutually perpendicular to axis, while so that the sample pipe ring inserts above-mentioned assay device
End face have 45 degree of chamferings no less than 5mm；
C, install sample, first by sample pipe ring have chamfering one end insertion assay device in and with annular locating lug boss phase
Support, and front end face sealing ring and pipe outer wall sealing ring are respectively adhered on into front end face seal groove and pipe outer wall seal groove with double faced adhesive tape
It is interior, it is installed on rear pressing cover after pipe outer wall locating ring and front fixed disk are fixed, makes sample pipe ring be located at pipe outer wall locating ring
And inside pipe wall locating ring between, now the outer wall of sample pipe ring is sealed using pipe outer wall sealing ring, and its inwall is close using inside pipe wall
Seal is sealed, and the sealing of inside pipe wall sealing ring is the sealing ring located crush ring on edge on seal gap by inside pipe wall locating ring
Extrusion ring is installed with the sealing ring on edge in inside pipe wall mounting ring carries out extruding realization to its both sides, and inside pipe wall sealing ring both sides are received
Deformation is produced to extruding and the sealing of sample pipe ring inwall is formed, finally using nut bolt structure by front fixed disk and rear pressing cover
It is fixed, and slowly lock, make sample pipe ring reach requirement position；
D, pressurization observation, are connected with the water inlet pipe of above-mentioned assay device with compression system, to the hydraulic pressure detection sealing of assay device
Water filling in cavity volume, and by outlet pipe aerofluxuss, close after drained gas outlet pipe and stably water filling be forced into 1.5 times of pressure etc.
Level, keeps whether pressure 20min, observation coupon central port and outer surface have infiltration phenomenon, record test moulding pressure, pressurization
Time, persistent period, coupon ring surface situation and phenomenon, it was therefore concluded that.
The beneficial effects of the present invention is：As the present invention adopts said structure, which can easily test at random glass fibers
The pipeline section water sealing property of dimension reinforced plastics clamp sand pipe, can be not only used for the evaluation of pipeline production technology, also product can be carried out
Inspection and the judgement of applying pressure grade, are more convenient the chamber for fibre-reinforced plastics sand inclusion pipe quality management and control of production.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 be the present invention Fig. 2 in enlarged diagram at A.
In figure：1st, front fixed disk；2nd, rear pressing cover；3rd, pipe outer wall locating ring；31st, pipe outer wall sealing ring；4th, inside pipe wall positioning
Ring；41st, inside pipe wall sealing ring；42nd, ring for fixing；43rd, front end face sealing ring；44th, seal gap；45th, sealing ring located crush ring；
5th, inside pipe wall mounting ring；51st, sealing ring installs extrusion ring；6th, sample pipe ring to be detected；7th, water inlet pipe；8th, outlet pipe；9th, hydraulic pressure
Detection sealed volume；10th, annular locating lug boss；11st, anticreep convex edge；12nd, support ring.
Specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test dress
Put, including the front fixed disk 1 and rear pressing cover 2 of in front and back's confronting coaxial setting, between the front fixed disk 1 and rear pressing cover 2, pass through spiral shell
Female bolt arrangement is detachably located by connecting, and the front fixed disk 1 and the rear pressing cover 2 are circulus, and between them
Nut bolt structure be distributed uniformly and circumferentially it is multiple on the outside of the pipe outer wall locating ring 3.The front fixed disk 1 is leaned on
The side of the nearly rear pressing cover 2 is provided with co-axial pipe outer wall locating ring 3 and inside pipe wall locating ring 4, and the pipe outer wall is fixed
The inner side of position ring 3 is provided with pipe outer wall sealing ring 31, and the rear pressing cover 2 is provided with therewith near the side of the front fixed disk 1
Coaxial inside pipe wall mounting ring 5, the inside pipe wall mounting ring 5 and the inside pipe wall locating ring 4 cooperate and set between them
Be equipped with inside pipe wall sealing ring 41, the pipe outer wall locating ring 3 and the inside pipe wall mounting ring 5 and the pipe outer wall locating ring 3 it
Between sealing sample pipe ring 6 to be detected is set, the sample pipe ring 6 to be detected, pipe outer wall locating ring 3, inside pipe wall locating ring 4 and
Closed hydraulic pressure detection sealed volume 9 is constituted between front fixed disk 1, is provided with the front fixed disk 1 and is detected with above-mentioned hydraulic pressure
Water inlet pipe 7 and outlet pipe 8 that sealed volume 9 is communicated, are provided with pressure detecting table at the water inlet pipe 7（Not shown in figure）.
Preferably, the pipe outer wall locating ring 3 is integrally formed with the front fixed disk 1, and the pipe outer wall locating ring 3
Inner side be provided with the pipe outer wall seal groove for the embedded matching of the pipe outer wall sealing ring 31.The inside pipe wall locating ring 4 also may be used
To be integrally formed with the front fixed disk 1, or arrange with 1 split of front fixed disk, when inside pipe wall is positioned
When ring 4 is arranged with 1 split of front fixed disk, the external diameter of inside pipe wall locating ring 4 can be better controled over, be easy to meet different model thickness
The pipe detection of degree, before the inside pipe wall locating ring 4 is as described in, one end of fixed disk 1 is provided with ring for fixing 42, and this is fixed
Circle 42 is fixedly connected with the front fixed disk 1 by multiple nut bolt structures, between the ring for fixing 42 and the front fixed disk 1
Front end face sealing ring 43 is provided with, the front end face for the embedded matching of the front end face sealing ring 43 on the ring for fixing 42, is provided with
Seal groove.
As the present invention adopts said structure, its can easily test at random chamber for fibre-reinforced plastics sand inclusion pipe pipeline
Section water sealing property, can be not only used for the evaluation of pipeline production technology, also product can be tested and applying pressure grade judges,
It is more convenient the chamber for fibre-reinforced plastics sand inclusion pipe quality management and control of production.
Preferably, the outside of the inside pipe wall mounting ring 5 is provided with the ring-type planted for the sample pipe ring 6 to be detected
Positioning boss 10, its can be used for carry grafting sample pipe ring 6 to be detected, the inner side of the annular locating lug boss 10 with it is described
Inside pipe wall mounting ring 5 is affixed, and anticreep convex edge 11 is provided with the outside of which, and which can prevent sample pipe ring 6 to be detected from slipping displacement.
As shown in figure 3, the outside of the inside pipe wall locating ring 4 is provided with for the embedded cooperation of the inside pipe wall sealing ring 41
Seal gap 44, the upper edge of the seal gap 44 are provided with sealing ring located crush ring 45, the inside pipe wall mounting ring 5 it is upper
Along embedded above-mentioned seal gap 44, and it is provided with the sealing ring installation extrusion ring coordinated with above-mentioned sealing ring located crush ring 45
51, the inside pipe wall sealing ring 41 is located at sealing ring located crush ring 45 and sealing ring is installed between extrusion ring 51, sealing delineation
Position extrusion ring 45 and sealing ring install 51 extruded tube inner wall sealing circle 41 of extrusion ring so as to produce deformation and formed and test to be checked
The sealing of sample pipe ring 6, sealing property are more preferable.Inner side correspondence 44 position of seal gap of the inside pipe wall locating ring 4 is arranged
There is support ring 12, certain supporting can be carried out to the inside pipe wall locating ring 4 at seal gap 44, prevent excessive compression from causing close
Damage at envelope breach 44.
One kind carries out water-pressure sealed performance to chamber for fibre-reinforced plastics sand inclusion tube wall section using above-mentioned assay device
The method of test, which includes following several steps：
A, sampling, chamber for fibre-reinforced plastics sand inclusion pipe sample of the random selection using ring stiffness test；
B, sample processing, the length of sample is intercepted to 200-400mm, sample pipe ring is formed, while to sample pipe ring two ends end
Face carries out machining so as to which two ends end face is mutually perpendicular to axis, while so that the sample pipe ring inserts above-mentioned assay device
End face have 45 degree of chamferings no less than 5mm；
C, install sample, first by sample pipe ring have chamfering one end insertion assay device in and with 10 phase of annular locating lug boss
Support, and front end face sealing ring 43 and pipe outer wall sealing ring 31 are respectively adhered on into front end face seal groove with double faced adhesive tape and pipe outer wall is close
In sealing groove, it is installed on rear pressing cover 2 after pipe outer wall locating ring 3 and front fixed disk 1 are fixed, makes sample pipe ring be located at pipe outer wall
Between locating ring 3 and inside pipe wall locating ring 4, now the outer wall of sample pipe ring is sealed using pipe outer wall sealing ring 31, and its inwall is adopted
Sealed with inside pipe wall sealing ring 41, the sealing of inside pipe wall sealing ring 41 is edge on seal gap 44 by inside pipe wall locating ring 4
Sealing ring located crush ring 45 and inside pipe wall mounting ring 5 on the sealing ring on edge extrusion ring 51 is installed that its both sides are carried out with extruding is real
Existing, 41 both sides of inside pipe wall sealing ring are squeezed and produce deformation and form the sealing with sample pipe ring inwall, finally using spiral shell
Front fixed disk 1 and rear pressing cover 2 are fixed by female bolt arrangement, and are slowly locked, and make sample pipe ring reach requirement position；
D, pressurization observation, are connected with the water inlet pipe 7 of above-mentioned assay device with compression system, to the hydraulic pressure detection sealing of assay device
Water filling in cavity volume 9, and by 8 aerofluxuss of outlet pipe, close after drained gas outlet pipe 8 and stably water filling be forced into 1.5 times of pressure
Grade, keeps whether pressure 20min, observation coupon central port and outer surface have infiltration phenomenon, and record is tested moulding pressure, added
Pressure time, persistent period, coupon ring surface situation and phenomenon, it was therefore concluded that.
The above, only present pre-ferred embodiments, therefore the scope of present invention enforcement can not be limited with this, i.e., according to
The equivalence changes made by scope of the present invention patent and description and modification, all should still belong to the model that patent of the present invention covers
In enclosing.
Claims (8)
1. a kind of chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test apparatus, it is characterised in that：Including
The front fixed disk that confronting coaxial is arranged in front and back（1）And rear pressing cover（2）, the front fixed disk（1）And rear pressing cover（2）Between pass through spiral shell
Female bolt arrangement is detachably located by connecting, the front fixed disk（1）Near the rear pressing cover（2）Side be provided with it is co-axial
Pipe outer wall locating ring（3）With inside pipe wall locating ring（4）, the pipe outer wall locating ring（3）Inner side be provided with pipe outer wall sealing
Circle（31）, the rear pressing cover（2）Near the front fixed disk（1）Side be provided with co-axial inside pipe wall mounting ring（5）,
The inside pipe wall mounting ring（5）With the inside pipe wall locating ring（4）Cooperate and between them, be provided with inside pipe wall sealing ring
（41）, the pipe outer wall locating ring（3）With the inside pipe wall mounting ring（5）With the pipe outer wall locating ring（3）Between seal and set
Put sample pipe ring to be detected（6）, the sample pipe ring to be detected（6）, pipe outer wall locating ring（3）, inside pipe wall locating ring（4）And
Front fixed disk（1）Between constitute closed hydraulic pressure detection sealed volume（9）, the front fixed disk（1）On be provided with and above-mentioned water
Pressure detection sealed volume（9）The water inlet pipe for communicating（7）And outlet pipe（8）, the water inlet pipe（7）Place is provided with pressure detecting table.
2. chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test apparatus according to claim 1,
It is characterized in that：The front fixed disk（1）With the rear pressing cover（2）It is circulus, and the nut bolt knot between them
Structure is to be distributed uniformly and circumferentially in the pipe outer wall locating ring（3）Outside it is multiple.
3. water-pressure sealed performance test in chamber for fibre-reinforced plastics sand inclusion tube wall section according to claim 1 and 2 is filled
Put, it is characterised in that：The pipe outer wall locating ring（3）With the front fixed disk（1）It is integrally formed, and the pipe outer wall locating ring
（3）Inner side be provided with for the pipe outer wall sealing ring（31）The pipe outer wall seal groove of embedded matching.
4. chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test apparatus according to claim 3,
It is characterized in that：The inside pipe wall locating ring（4）Near the front fixed disk（1）One end be provided with ring for fixing（42）, this is solid
It is fixed to enclose（42）By multiple nut bolt structures and the front fixed disk（1）It is fixedly connected, the ring for fixing（42）It is front solid with described
Price fixing（1）Between be provided with front end face sealing ring（43）, the ring for fixing（42）On be provided with for the front end face sealing ring
（43）The front end face seal groove of embedded matching.
5. chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test apparatus according to claim 4,
It is characterized in that：The inside pipe wall mounting ring（5）Outside be provided with for the sample pipe ring to be detected（6）The ring-type of plant is fixed
Position boss（10）, the annular locating lug boss（10）Inner side and the inside pipe wall mounting ring（5）It is affixed, is provided with the outside of which anti-
De- convex edge（11）.
6. chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test apparatus according to claim 4,
It is characterized in that：The inside pipe wall locating ring（4）Outside be provided with for the inside pipe wall sealing ring（41）It is embedded in the close of cooperation
Envelope breach（44）, the seal gap（44）Upper edge be provided with sealing ring located crush ring（45）, the inside pipe wall mounting ring
（5）Upper edge be embedded in above-mentioned seal gap（44）It is interior, and be provided with and above-mentioned sealing ring located crush ring（45）The sealing of cooperation
Circle installs extrusion ring（51）.
7. chamber for fibre-reinforced plastics sand inclusion tube wall section water-pressure sealed performance test apparatus according to claim 6,
It is characterized in that：The inside pipe wall locating ring（4）The inner side correspondence seal gap（44）Position is provided with support ring（12）.
8. to carry out hydraulic pressure to chamber for fibre-reinforced plastics sand inclusion tube wall section using assay device described in claim 6 close for one kind
The method of sealing property test, which includes following several steps：
A, sampling, chamber for fibre-reinforced plastics sand inclusion pipe sample of the random selection using ring stiffness test；
B, sample processing, the length of sample is intercepted to 200-400mm, sample pipe ring is formed, while to sample pipe ring two ends end
Face carries out machining so as to which two ends end face is mutually perpendicular to axis, while so that the sample pipe ring inserts above-mentioned assay device
End face have 45 degree of chamferings no less than 5mm；
Sample pipe ring is had in one end insertion assay device of chamfering and and annular locating lug boss by C, installation sample first（10）
Offset, and with double faced adhesive tape by front end face sealing ring（43）With pipe outer wall sealing ring（31）It is respectively adhered on front end face seal groove and pipe
In outer wall seal groove, by pipe outer wall locating ring（3）With front fixed disk（1）Rear pressing cover is installed to after fixing（2）On, make coupon
Ring is located at pipe outer wall locating ring（3）With inside pipe wall locating ring（4）Between, now the outer wall of sample pipe ring adopts pipe outer wall sealing ring
（31）Sealing, its inwall adopt inside pipe wall sealing ring（41）Sealing, inside pipe wall sealing ring（41）Sealing be fixed by inside pipe wall
Position ring（4）Seal gap（44）The sealing ring located crush ring on upper edge（45）With inside pipe wall mounting ring（5）The sealing ring on upper edge
Extrusion ring is installed（51）Its both sides is carried out extruding realization, inside pipe wall sealing ring（41）Both sides be squeezed generation deformation and shape
Into the sealing of sample pipe ring inwall, finally using nut bolt structure by front fixed disk（1）And rear pressing cover（2）It is fixed, and slowly
Locking, makes sample pipe ring reach requirement position；
D, pressurization observation, with the water inlet pipe of compression system and above-mentioned assay device（7）It is connected, the hydraulic pressure detection to assay device is close
Envelope cavity volume（9）Interior water filling, and pass through outlet pipe（8）Aerofluxuss, close outlet pipe after drained gas（8）And stable water filling is forced into
1.5 times of pressure ratings, keep whether pressure 20min, observation coupon central port and outer surface have infiltration phenomenon, and record test adds
Pressure pressure, pressing time, persistent period, coupon ring surface situation and phenomenon, it was therefore concluded that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040845.7A CN106595968A (en) | 2017-01-20 | 2017-01-20 | Glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040845.7A CN106595968A (en) | 2017-01-20 | 2017-01-20 | Glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method |
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| Publication Number | Publication Date |
|---|---|
| CN106595968A true CN106595968A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710040845.7A Pending CN106595968A (en) | 2017-01-20 | 2017-01-20 | Glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method |
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| CN (1) | CN106595968A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120572A (en) * | 2018-02-27 | 2018-06-05 | 博众精工科技股份有限公司 | Electronic product single-point waterproof test tool and test system |
| CN108426681A (en) * | 2018-03-29 | 2018-08-21 | 博众精工科技股份有限公司 | Sealing test component and its system |
| CN109374228A (en) * | 2018-11-12 | 2019-02-22 | 安徽辰控智能科技有限公司 | A kind of sealing propertytest testing stand of integral type fire hydrant water pressure monitor |
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