CN104633278B - Pressure tube pressure testing device capable of being disassembled and assembled rapidly - Google Patents
Pressure tube pressure testing device capable of being disassembled and assembled rapidly Download PDFInfo
- Publication number
- CN104633278B CN104633278B CN201410855943.2A CN201410855943A CN104633278B CN 104633278 B CN104633278 B CN 104633278B CN 201410855943 A CN201410855943 A CN 201410855943A CN 104633278 B CN104633278 B CN 104633278B
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- Prior art keywords
- screw rod
- pipe fitting
- sealing ring
- support base
- tested
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a pressure tube pressure testing device capable of being assembled and assembled rapidly. The pressure tube pressure testing device comprises a supporting seat. An inner cavity is formed in the supporting seat, and a clamp is installed on the supporting seat. The two opposite side walls of the supporting seat are in threaded connection with a first screw rod and a second screw rod respectively, the first screw rod is in threaded connection with a third screw rod, and the end, stretching in the inner cavity of the supporting seat, of the first screw rod and the end, stretching in the inner cavity of the supporting seat, of the third screw rod are connected with a shaft sleeve and a sealing disc respectively, wherein the shaft sleeve and the sealing disc stretch in a tested tube. A first sealing ring is arranged between the shaft sleeve and the sealing disc, the end, stretching in the inner cavity of the supporting seat, of the third screw rod is connected with a positioning cylinder which is provided with a liquid injection opening, an exhaust hole and a second sealing ring, and a booster pump and a check valve are installed at the liquid injection opening and the exhaust hole respectively. According to the pressure tube pressure testing device, fast pressure testing experiments of the pressure tube can be achieved, the production efficiency is greatly improved in the aspect of disassembling and assembling, and especially, fixing and disassembling of the tube and installing of the first screw rod, the second screw rod, the third screw rod, the shaft sleeve, the disc and the like are quite convenient.
Description
Technical field
The invention belongs to pressure pipe fitting pressure testing equipment field, more particularly, to a kind of pressure pipe fitting of fast demountable
Pressure testing device.
Background technology
In commercial Application, pressure pipe fitting before dispatching from the factory, in order to check its sealing and resistance to pressure will carry out pressure testing, example to it
As straight tube, bend pipe, tee pipe fitting must pressure testing qualified after just can dispatch from the factory.However, the current equipment ratio dedicated for pipe fitting pressure testing
Less.In addition, the disassembly process of present pipe fitting pressure testing is loaded down with trivial details, high labor intensive, seriously govern the production efficiency of pipe fitting, also not
Safety in production beneficial to pipe fitting.
Content of the invention
Disadvantages described above for prior art or Improvement requirement, the invention provides a kind of can Fast Installation pipe fitting pressure testing
, it is therefore intended that reducing the labor intensity during pipe fitting pressure testing, improve production efficiency is it is ensured that pressure testing reliable results for device.
For achieving the above object, according to one aspect of the present invention, there is provided a kind of pressure pipe fitting examination of fast demountable
Pressure device, including support base, is provided with the inner chamber for accommodating tested pipe fitting in support base, described support base is provided with for
Clamp the fixture of tested pipe fitting outer wall, the relative two side of support base is threaded with the first screw rod and the second spiral shell respectively
Bar, the first screw rod and the second screw rod all stretch into the inner chamber of support base, and the first screw rod is threaded with the 3rd screw rod, the 3rd screw rod
Through the first screw rod, one end that the first screw rod and the 3rd screw rod stretch into support base inner chamber is connected to for stretching into tested pipe fitting
Interior axle sleeve and sealed disc, sealed disc is provided with the first sealing ring for sealing tested pipe fitting, and the second screw rod stretches into
One end of support base inner chamber is connected with the positioning tube with tested pipe fitting inner space, setting liquid injection port, aerofluxuss on described positioning tube
Hole and the second sealing ring for sealing tested pipe fitting, are separately installed with booster pump and stop valve at liquid injection port and steam vent,
3rd screw rod can drive sealed disc to move in the horizontal direction when rotating relative to the first screw rod, sealed disc cooperation axle sleeve extruding
First sealing ring is so that the inwall of tested pipe fitting is pushed down in the first sealing ring expanded radially.
Preferably, described sealed disc includes the connecting seat of hollow and is fixedly connected on disk on connecting seat, connecting seat
Activity is installed on the 3rd screw rod, the first sealing ring that disk can be described with the cooperation extruding of axle sleeve, and described 3rd screw rod stretches into
One end of support base is fixedly connected with the first pushing block, and described first pushing block is located at the inner chamber of connecting seat, and the 3rd screw rod can be
Relative to the first screw rod rotate when by first pushing block drive connecting seat move in the horizontal direction so that disk and axle sleeve cooperation
Extrude the first sealing ring.
Preferably, described support base includes base and is arranged on support, described first screw rod and the second screw rod on base
All it is threaded on support.
Preferably, described support base is provided with the fixture for clamping tested pipe fitting outer wall.
Preferably, described fixture includes the fixed seat being arranged on support base, and described fixed seat is movably installed with movement
Seat, fixed seat and Mobile base are respectively arranged with the first clamping face being easy to clamp tested pipe fitting and the second clamping face, fixed seat
On be threaded with the of the direction movement that can promote the second clamping face on Mobile base towards the first clamping face in fixed seat
Four screw rods.
Preferably, described Mobile base arranges fluted near the side of the 4th screw rod, and the 4th screw rod stretches in groove and it
The one end stretching into groove is fixedly connected with the second pushing block, and described fixed seat is provided with fixed block, and described fixed block is used for will
Second pushing block is enclosed in groove, and described fixed block activity is installed on the 4th screw rod, and the 4th screw rod can be relatively fixed seat
Passing through the second pushing block during rotation promotes Mobile base and fixed block to move.
Preferably, one end that described 4th screw rod exposes to fixed seat is provided with handle.
Preferably, described first screw rod and/or the second screw rod and/or the 3rd screw rod expose to one end of support base and are provided with
Handle.
Preferably, described second sealing ring is arranged on positioning tube one end away from the second screw rod so as to push down tested pipe fitting
End face realize sealing.
Preferably, the quantity of described first sealing ring is two.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect:
1) during pressure testing of the present invention, sealing property projects, in equal conditions and pipe fitting intensity allowed band, Neng Goushi
Pressure testing experiment under the conditions of existing elevated pressures, this is because the present invention does not simply adopt to pipe fitting two ends during pressure testing
With end face seal, but one end makes to coordinate to come with diameter greater than the positioning tube of caliber and the second sealing ring by shaking the second screw rod
End face seal is realized to tested pipe fitting, in addition this end also acts as the positioning action to tested pipe fitting；The other end of tested pipe fitting
Sealing be by rotate the first screw rod make axle sleeve screw in tested inside pipe fitting, then rotate backward second screw rod drive axle sleeve
The sealed disc of front end is displaced outwardly, and sealed disc extrudes the first sealing ring with axle sleeve cooperation, so that the first sealing ring is occurred radially
Expand, realize the sealing to tested inside pipe fitting；Additionally, with the rising of pipe fitting internal pressure tested during pressure testing, liquid
Act on the expanded radially that outside thrust on sealed disc is converted into the first sealing ring, sealing effectiveness can be more preferably；
2) present invention enables the Quick-action pressure-testing experiment of pressure pipe fitting, and dismounts aspect, greatly improves production efficiency, main
The fixation of pipe fitting to be embodied in is quite convenient to the installation of dismounting and the first screw rod～the 3rd screw rod, axle sleeve, disk etc..
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged drawing at a in the present invention；
Fig. 3 is the enlarged drawing at b in the present invention；
Fig. 4 is the sectional view of fixture in the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
As shown in Figure 1 to 4, the pressure pipe pressure test device of a kind of fast demountable, including support base 10, support base 10
Inside it is provided with the inner chamber for accommodating tested pipe fitting 9, described support base 10 is provided with the folder for clamping tested pipe fitting 9 outer wall
Tool 7, the relative two side of support base 10 is threaded with the first screw rod 1 and the second screw rod 2 respectively, in pressure testing process
In coordinate the effect to block pipe fitting or play fixing pipe fitting with other components.Preferably, described support base 10 includes bottom
Seat 101 and be arranged on support 102 on base 101, for ensureing the stability during pressure testing, described base 101 is overall to be in length
Square, its bottom surrounding rounding, the described inner chamber of setting in support 102, so support base 10 separately can be manufactured,
It is readily transported and deposit.Described first screw rod 1 and the second screw rod 2 are all threaded on support 102.First screw rod 1 and second
Screw rod 2 all stretches into the inner chamber of support base 10, and the first screw rod 1 is threaded with the 3rd screw rod 3, and the 3rd screw rod 3 passes through the first spiral shell
One end that bar 1, the first screw rod 1 and the 3rd screw rod 3 stretch into support base 10 inner chamber is connected to for stretching in tested pipe fitting 9
Axle sleeve 11 and sealed disc 21, sealed disc 21 is provided with the first sealing ring 4 for sealing tested pipe fitting 9, preferably,
First sealing ring 4 is socketed on sealed disc 21.3rd screw rod 3 can drive sealed disc 21 relative to the first screw rod 1 when rotating
Move in the horizontal direction, sealed disc 21 cooperation axle sleeve 11 extrudes the first sealing ring 4 so that the first sealing ring 4 expanded radially pressure
Live the inwall of tested pipe fitting 9.Preferably, the quantity of described first sealing ring 4 is two, and two the first sealing rings 4 can be mutual
Extruding expands together, so can have better seal effect.Second screw rod 2 stretch into support base 10 inner chamber one end be connected with
The positioning tube 5 of tested pipe fitting 9 inner space, on described positioning tube 5 setting liquid injection port 51, steam vent 52 and being used for seal tested
Second sealing ring 6 of pipe fitting 9, is separately installed with booster pump 511 and stop valve 521 at liquid injection port 51 and steam vent 52.As excellent
Choosing, the first sealing ring 4 and the second sealing ring 6 are o type sealing ring, the first screw rod 1, the second screw rod 2 and the 3rd screw rod 3, sealing
The component coaxials such as disk 21, axle sleeve 11, positioning tube 5.
Further, described sealed disc 21 includes the connecting seat 211 of hollow and is fixedly connected on the disk on connecting seat 211
212, connecting seat 211 activity is installed on the 3rd screw rod 3, the first sealing that disk 212 can be described with the cooperation extruding of axle sleeve 11
Circle 4, one end that described 3rd screw rod 3 stretches into support base 10 is fixedly connected with the first pushing block 31, described first pushing block 31
In the inner chamber of connecting seat 211, the 3rd screw rod 3 can drive connecting seat when rotating relative to the first screw rod 1 by the first pushing block 31
211 move in the horizontal direction, so that disk 212 and axle sleeve 11 cooperation extruding the first sealing ring 4.The sealed disc 21 of the present invention
Outside contact with the inwall of tested pipe fitting 9, its activity is installed on the 3rd screw rod 3, when the 3rd screw rod 3 rotates,
First pushing block 31 rotates, and sealed disc 21 does not rotate, and to drive sealed disc by the first moving horizontally of pushing block 31
21 horizontal direction moves, and such 3rd screw rod 3 is turned over also than relatively labor-saving.Disk 212 includes disk body 213 and annular brace platform
214, the first sealing ring 4 is socketed in the outside of annular brace platform 214, and annular brace platform 214 can stretch into axle sleeve 11 when mobile
Inner chamber, such disk body 213 just can coordinate axle sleeve 11 to extrude the first sealing ring 4, and the first sealing ring 4 is outer in annular brace platform 214
Simultaneously there is expanded radially in side shifting.
Further, fixture 7 takes two-piece type structure, so as to clamping the tested pipe fitting 9 of different-diameter.Described fixture
7 include the fixed seat 71 being arranged on support base 10, and described fixed seat 71 is movably installed with Mobile base 72, fixed seat 71 and shifting
The first clamping face 711 being easy to clamp tested pipe fitting 9 and the second clamping face 721 are respectively arranged with dynamic seat 72, in fixed seat 71
It is threaded with the direction that can promote the second clamping face 721 on Mobile base 72 towards the first clamping face 711 in fixed seat 71
4th screw rod 73 of movement.4th screw rod 73 can promote Mobile base 72 movement, the first clamping face 711 and the second clamping face 721
Fix tested pipe fitting 9 with the contact outside of tested pipe fitting 9.
Further, described Mobile base 72 arranges fluted 712 near the side of the 4th screw rod 73, and the 4th screw rod 73 stretches into recessed
Groove 712 is interior and it stretches into one end of groove 712 and is fixedly connected with the second pushing block 731, and described fixed seat 71 is provided with fixation
Block 74, the mode that fixed block 74 can be welded or bolted connection is connected in fixed seat 71.Described fixed block 74 is used for the
Two pushing blocks 731 are enclosed in groove 712, and the activity of described fixed block 74 is installed on the 4th screw rod 73, and the 4th screw rod 73 can be
It is relatively fixed and promote Mobile base 72 and fixed block 74 mobile by the second pushing block 731 when seat 71 rotates.The present invention adopts second
The movement of the second pushing block 731 on screw rod 2, to promote Mobile base 72 mobile, is easy to the rotation of the second screw rod 2, it rotates
Also than relatively labor-saving.
Further, described first screw rod 1 and/or the second screw rod 2 and/or the 3rd screw rod 3 expose to one end of support base 10
Handle 8 is installed, one end that described 4th screw rod 73 exposes to fixed seat 71 is also provided with handle 8, in order to realize screw rod
Rotate.
Preferably, to be arranged on positioning tube 5 tested so as to push down away from one end of the second screw rod 2 for described second sealing ring 6
The end face of pipe fitting 9 realizes sealing, seals using to the end face of tested pipe fitting 9, on the one hand can quickly realize to measured tube
The sealing of part 9, on the other hand the end face of tested pipe fitting 9 lean against on the second sealing ring 6, also allow for tested pipe fitting 9 is positioned.
Certainly, alternatively, the second screw rod 2 can also adopt and design with identical on the first screw rod 1, that is, in the second screw rod
Put on a screw rod on 2 again, sealing ring installed on positioning tube 5 to push down the inwall of tested pipe fitting 9.
With reference to Fig. 1, the installation of this pressure testing device and work process are as follows:
1) base 101 is positioned over ground, so that whole system is consolidated；Again support 102 is fixed on base 101,
Guarantee that support 102 consolidates；Then fixture 7 is fixed on support 102 with bolt；
2) it is respectively mounted the first screw rod 1 and the second screw rod 2 in support 102 left side wall and right side wall, in pressure testing process
In block the mouth of pipe of tested pipe fitting 9 with the cooperation of other components；
3) tested pipe fitting 9 is placed on fixture 7, adjust tested pipe fitting 9 position, make tested pipe fitting 9 and the first screw rod 1 and
Second screw rod 2 is coaxial, so that the first screw rod 1 on support 102 and the second screw rod 2 can effectively be blocked with associated components cooperation
Tested pipe fitting 9 port；After the position adjustment of tested pipe fitting 9 is good, the handle 8 of shake fixture 7, tested pipe fitting 9 is pressed from both sides surely；
4) handle 8 of slow shake the second screw rod 2 is so that the second sealing ring 6 on the second screw rod 2 left end positioning tube 5 is pressed
Live the right side of tested pipe fitting 9, tested pipe fitting 9 right side is by the way of end face seal；
5) the slow handle 8 shaking the first screw rod 1, axle sleeve 11 is slowly screwed in the mouth of pipe on tested pipe fitting 9 left side；Slightly
Shake the handle 8 of the 3rd screw rod 3 so that axle sleeve 11 sealed disc 21 foremost is moved to the left, so, the first sealing ring 4 is subject to
To its expanded radially of compression stress tailing edge, reach the preferable sealing effectiveness to tested pipe fitting 9 left side mouth of pipe, so tested pipe fitting 9
The right and left is just sealed by the first sealing ring 4 and the second sealing ring 6 respectively；
6) emulsion is injected in liquid injection port 51 is to tested pipe fitting 9 from booster pump 511, the air in pipe is from steam vent 52 row
Go out, after steam vent 52 has liquid to emerge, close the stop valve 521 at steam vent 52；Booster pump 511 keeps a period of time, enters
Row pressure testing；
7) after completing pressure testing process, pressure release, remove emulsion；With aforementioned contrary direction shake handle 8, screw out axle sleeve 11,
Unclamp sealed disc 21；Unclamp fixture 7, take off tested pipe fitting 9, you can continue the pressure testing of next tested pipe fitting 9.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should comprise
Within protection scope of the present invention.
Claims (9)
1. a kind of fast demountable pressure pipe pressure test device it is characterised in that: include support base (10), in support base (10)
It is provided with the inner chamber for accommodating tested pipe fitting (9), described support base (10) is provided with for clamping tested pipe fitting (9) outer wall
Fixture (7), the relative two side of support base (10) is threaded with the first screw rod (1) and the second screw rod (2) respectively,
One screw rod (1) and the second screw rod (2) all stretch into the inner chamber of support base (10), and the first screw rod is threaded with the 3rd screw rod on (1)
(3), the 3rd screw rod (3) passes through the first screw rod (1), the first screw rod (1) and the 3rd screw rod (3) to stretch into the one of support base (10) inner chamber
End is connected to for stretching into the axle sleeve (11) in tested pipe fitting (9) and sealed disc (21), and sealed disc (21) is upper to be arranged
There is the first sealing ring (4) for sealing tested pipe fitting (9), one end that the second screw rod (2) stretches into support base (10) inner chamber connects
Have the positioning tube (5) with tested pipe fitting (9) inner space, described positioning tube (5) is upper arrange liquid injection port (51), steam vent (52) with
And it is used for sealing second sealing ring (6) of tested pipe fitting (9), liquid injection port (51) and steam vent (52) place are separately installed with booster pump
(511) and stop valve (521), the 3rd screw rod (3) can drive sealed disc (21) relative to the first screw rod (1) in level when rotating
Direction is moved, and sealed disc (21) cooperation axle sleeve (11) extrudes the first sealing ring (4) so that the first sealing ring (4) expanded radially
Push down the inwall of tested pipe fitting (9).
2. a kind of fast demountable according to claim 1 pressure pipe pressure test device it is characterised in that: described sealing
The connecting seat (211) of disk (21) include hollow and be fixedly connected on disk (212) on connecting seat (211), connecting seat (211)
Activity is installed on the 3rd screw rod (3), the first sealing ring (4) that disk (212) can be described with the cooperation extruding of axle sleeve (11), institute
State the 3rd screw rod (3) and stretch into one end of support base (10) and be fixedly connected with the first pushing block (31), described first pushing block (31)
Positioned at the inner chamber of connecting seat (211), the 3rd screw rod (3) can pass through the first pushing block (31) relative to the first screw rod (1) when rotating
Connecting seat (211) is driven to move in the horizontal direction, so that disk (212) and axle sleeve (11) cooperation extruding the first sealing ring (4).
3. a kind of fast demountable according to claim 1 pressure pipe pressure test device it is characterised in that: described support
Seat (10) includes base (101) and is arranged on support (102), described first screw rod (1) and the second screw rod on base (101)
(2) all it is threaded on support (102).
4. a kind of fast demountable according to claim 3 pressure pipe pressure test device it is characterised in that: described fixture
(7) inclusion is arranged on the fixed seat (71) on support base (10), and described fixed seat (71) is movably installed with Mobile base (72), Gu
It is respectively arranged with the first clamping face (711) being easy to clamp tested pipe fitting (9) and the second folder on reservation (71) and Mobile base (72)
Hold face (721), fixed seat (71) is threaded with and can promote upper second clamping face of Mobile base (72) (721) towards near fixed seat
(71) the 4th screw rod (73) of the direction movement of the first clamping face (711) on.
5. a kind of fast demountable according to claim 4 pressure pipe pressure test device it is characterised in that: described movement
Seat (72) arranges fluted (712) near the side of the 4th screw rod (73), and the 4th screw rod (73) stretches in groove (712) and it is stretched
The one end entering groove (712) is fixedly connected with the second pushing block (731), and described fixed seat (71) is provided with fixed block (74),
Described fixed block (74) is used for the second pushing block (731) is enclosed in groove (712), and the activity of described fixed block (74) is installed on
On 4th screw rod (73), the 4th screw rod (73) is promoted by the second pushing block (731) when can rotate being relatively fixed seat (71) and moves
Dynamic seat (72) and fixed block (74) are mobile.
6. a kind of fast demountable according to claim 4 pressure pipe pressure test device it is characterised in that: the described 4th
One end that screw rod (73) exposes to fixed seat (71) is provided with handle (8).
7. a kind of fast demountable according to claim 1 pressure pipe pressure test device it is characterised in that: described first
One end that screw rod (1) and/or the second screw rod (2) and/or the 3rd screw rod (3) expose to support base (10) is provided with handle (8).
8. a kind of fast demountable according to claim 1 pressure pipe pressure test device it is characterised in that: described second
Sealing ring (6) is arranged on positioning tube (5) one end away from the second screw rod (2) so as to push down the end face realization of tested pipe fitting (9)
Sealing.
9. a kind of fast demountable according to claim 1 pressure pipe pressure test device it is characterised in that: described first
The quantity of sealing ring (4) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855943.2A CN104633278B (en) | 2014-12-31 | 2014-12-31 | Pressure tube pressure testing device capable of being disassembled and assembled rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855943.2A CN104633278B (en) | 2014-12-31 | 2014-12-31 | Pressure tube pressure testing device capable of being disassembled and assembled rapidly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104633278A CN104633278A (en) | 2015-05-20 |
| CN104633278B true CN104633278B (en) | 2017-01-18 |
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ID=53212343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410855943.2A Active CN104633278B (en) | 2014-12-31 | 2014-12-31 | Pressure tube pressure testing device capable of being disassembled and assembled rapidly |
Country Status (1)
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| CN (1) | CN104633278B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595968A (en) * | 2017-01-20 | 2017-04-26 | 福建路通复合材料技术研究院有限公司 | Glass fiber reinforced plastic mortar pipe wall cross section hydraulic pressure sealing performance test device and method |
| CN108732027B (en) * | 2018-08-07 | 2024-05-28 | 常州华厦建设工程质量检测有限公司 | Internal pressure load test device for concrete and reinforced concrete drain pipes |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2562667B1 (en) * | 1984-04-10 | 1986-06-13 | Dujardin Montbard Somenor | COMBINED SEALING AND RETENTION DEVICE FOR TESTING OF TUBES BY PRESSURE FLUID |
| JPH0619316B2 (en) * | 1987-04-02 | 1994-03-16 | 日立電線株式会社 | High voltage hose pressure tester |
| CN1016734B (en) * | 1988-03-24 | 1992-05-20 | 中国石油化工总公司长岭炼油厂建筑安装工程公司 | Self-sealing and locking pressure tester for tubes |
| US20040000188A1 (en) * | 2002-07-01 | 2004-01-01 | Mach Thomas J. | Apparatus and method for hydrostatically testing pipe |
| CN202256036U (en) * | 2011-10-21 | 2012-05-30 | 中国十九冶集团有限公司 | Sealing device for pressure test of pipeline |
| CN202420773U (en) * | 2012-02-29 | 2012-09-05 | 哈尔滨锅炉厂有限责任公司 | Novel small-diameter pipe external clamping water-pressure device |
| CN202676556U (en) * | 2012-08-02 | 2013-01-16 | 山东金润德不锈钢管有限公司 | Hydrostatic test sealing device |
| CN103471772A (en) * | 2013-07-04 | 2013-12-25 | 河南联塑实业有限公司 | Sealing device for end parts of pipe |
| CN104215512A (en) * | 2014-08-12 | 2014-12-17 | 天津金工机械设备制造有限公司 | High precision test bench for oil tube pressure test |
-
2014
- 2014-12-31 CN CN201410855943.2A patent/CN104633278B/en active Active
Also Published As
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|---|---|
| CN104633278A (en) | 2015-05-20 |
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Inventor after: Ye Jianjun Inventor after: Duan Peng Inventor after: Wu Caixia Inventor after: Zheng Jinyang Inventor after: Shi Jianfeng Inventor after: Wang Jun Inventor after: Xie Yiding Inventor before: Ye Jianjun Inventor before: Duan Peng Inventor before: Wu Caixia Inventor before: Zheng Jinyang Inventor before: Shi Jianfeng Inventor before: Wang Jun |
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