CN208476484U - A kind of stainless steel tube leak detection test device - Google Patents
A kind of stainless steel tube leak detection test device Download PDFInfo
- Publication number
- CN208476484U CN208476484U CN201820960162.3U CN201820960162U CN208476484U CN 208476484 U CN208476484 U CN 208476484U CN 201820960162 U CN201820960162 U CN 201820960162U CN 208476484 U CN208476484 U CN 208476484U
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- mounting plate
- pipe end
- seal nipple
- end seal
- rack
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Abstract
The utility model provides a kind of stainless steel tube leak detection test device, it includes rectangular rack, tester, frame top is movably installed with the first mounting plate, the first support plate is fixed at the top of first mounting plate, the second mounting plate is fixedly installed at the top of the rack other end, fixed pipe end seal nipple is installed in the first support plate of the second mounting plate side, the second support plate is fixed at the top of second mounting plate of fixed pipe end seal nipple side, movable pipe end seal nipple is installed in the second support plate, push cylinder is installed at the top of the second mounting plate, testing tube installing zone is formed between movable pipe end seal nipple and fixed pipe end seal nipple after installation, limit assembly is installed in the rack of testing tube installing zone.Using the structure after this programme, simple, easy to use, at low cost, high production efficiency, leak detection rate are high.
Description
Technical field
The utility model relates to pressure differential method leakage tester technical fields, refer in particular to a kind of stainless steel tube leak detection test
Device.
Background technique
In stainless steel industry Welded Pipe Production Process, for the reliability for ensuring weld seam, need to carry out leak-testing to weld seam
Test.Test mode more commonly used at present is using underwater airtightness testing.The test method needs to carry out airtight examination under water
Test, distinguished by bubble that visual observations are emerged, test result is influenced by human factor, with the increase of caliber estimate it is difficult
Point increases.Using the test method, it is also necessary to be immersed in the water light pipe, consider cost, majority will use tap water, to certain types
Number stainless steel material, be likely to result in local chlorine ion corrosion contamination.In addition it also needs to dry stainless steel tube after testing
It is dry, increase process and manpower.Another relatively common leak test method is eddy current inspection (ET) or ultrasonic examination
It detects (UT), but produces and uses and prove, which is influenced by factors such as calibration, checks with instrument,
Be easy to causeing erroneous judgement, it is insensitive to certain short prominent type defects the problems such as.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of new type stainless steel. corrosion resistance welded tube air-tightness inspection
Leakage device, using pressure differential method test by sample coupon, structure is simple, easy to use, at low cost, high production efficiency, easy to maintain, work
Make high reliablity and sealing effect is good, leak detection rate is high.
To achieve the above object, technical solution provided by the utility model are as follows: a kind of stainless steel tube leak detection test device,
It includes rectangular rack, tester, and the top movable of rack length direction one end is equipped with the first mounting plate, the first peace
It is fixed with the first support plate at the top of loading board, the second mounting plate, the second peace are fixedly installed at the top of the rack length direction other end
The fixation pipe end seal nipple that quantity is greater than 2, fixed pipe end seal nipple side are installed in the first support plate of loading board side
The second mounting plate at the top of be fixed with the second support plate, it is close to be equipped with movable pipe end in the second support plate of the first mounting plate side
The cooperating number of sealing joint, the quantity of movable pipe end seal nipple and fixed pipe end seal nipple closes, the second support plate other side
The second mounting plate at the top of push cylinder is installed, the piston rod of push cylinder passes through the second support plate and movable pipe end seal nipple
It connects, forms testing tube installing zone, steel pipe to be measured between the movable pipe end seal nipple and fixed pipe end seal nipple after installation
It is placed in testing tube installing zone, and passes through movable pipe end seal nipple, fixed pipe end seal nipple locking limit, movable pipe end
Seal nipple side is equipped with inside and outside perforative nipple orifice, and nipple orifice is connect by testing conduit with tester；Testing tube installing zone
Rack on limit assembly is installed, limit assembly limit is two groups or more, is uniformly distributed along the length of the rack.
The limit assembly includes fixed link, gag lever post, telescopic cylinder, wherein and fixed link is fixed on frame top,
Fixed link length direction after installation is consistent with rack width direction, and gag lever post is in " 7 " font, and the transverse arm of gag lever post is located to be measured
Above steel pipe, hinged with fixed link one end end in the middle part of the vertical arm of gag lever post, telescopic cylinder one end is hinged in rack, and stretch gas
The vertical arm bottom of the cylinder other end and gag lever post is hinged.
The first mounting plate bottom is equipped with sliding block, and sliding block is movably embedded into the sliding slot of frame top, the first installation
Both ends are equipped with clamping screw at the top of plate.
Utility model has the advantages that one, using differential pressure of atmospheric pressure method test leak, with traditional underwater airtightness testing, whirlpool
It visits, the detection means such as ultrasonic wave are compared, and the reliability of test, sensitivity significantly improve, and reduce the influence of human factor；Two,
Using the test method, baking process is reduced, production efficiency is improved, has saved cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the limit assembly structural schematic diagram of the utility model.
Specific embodiment
Below with reference to all attached drawings, the utility model is described in further detail, the preferred embodiment of the utility model are as follows: ginseng
See attached drawing 1 and attached drawing 2, a kind of stainless steel tube leak detection test device described in the present embodiment includes rectangular rack 1, test
Device 2, the top movable of 1 length direction one end of rack are equipped with the first mounting plate 3, and 3 bottom of the first mounting plate is equipped with sliding block, sliding block
It is movably embedded into the sliding slot at 1 top of rack, 3 top both ends of the first mounting plate are equipped with clamping screw, consolidate at the top of the first mounting plate 3
Surely there is the first support plate 4, the second mounting plate 6, the second mounting plate 6 one are fixedly installed at the top of the 1 length direction other end of rack
The fixation pipe end seal nipple 5 that quantity is greater than 2 is installed in first support plate 4 of side, the of fixed 5 side of pipe end seal nipple
The second support plate 7 is fixed at the top of two mounting plates 6, it is close to be equipped with movable pipe end in the second support plate 7 of 3 side of the first mounting plate
The cooperating number of sealing joint 9, the quantity of movable pipe end seal nipple 9 and fixed pipe end seal nipple 5 closes, and the second support plate 7 is another
Push cylinder 8 is installed, the piston rod of push cylinder 8 passes through the second support plate 7 and movable pipe end at the top of second mounting plate 6 of side
Seal nipple 9 connects, and forms testing tube installation between the movable pipe end seal nipple 9 and fixed pipe end seal nipple 5 after installation
Area, steel pipe 10 to be measured are placed in testing tube installing zone, and are locked by movable pipe end seal nipple 9, fixed pipe end seal nipple 5
Tight limit, movable 9 side of pipe end seal nipple are equipped with inside and outside perforative nipple orifice, and nipple orifice passes through test conduit and tester 2
Connection；Limit assembly is installed, limit assembly limit is two groups or more, along rack 1 in the rack 1 of testing tube installing zone
Length direction is uniformly distributed.
The limit assembly includes fixed link 11, gag lever post 12, telescopic cylinder 13, wherein fixed link 11 is fixed on
1 top of rack, 11 length direction of fixed link after installation is consistent with 1 width direction of rack, and gag lever post 12 is in " 7 " font, limit
The transverse arm of bar 12 is located at 10 top of steel pipe to be measured, flexible gas hinged with 11 one end end of fixed link in the middle part of the vertical arm of gag lever post 12
13 one end of cylinder is hinged in rack 1, and 13 other end of telescopic cylinder and the vertical arm bottom of gag lever post 12 are hinged.
When it is implemented, needing to carry out laser boring according to 1 standard of table to production sample pipe calibrating tube, then to equipment and instrument
Carry out calibration sampling.The calibrating tube should properly be saved before verification in inert gas shielding.Equipment can be surveyed after being demarcated
Test tube is tested, and can test single or mostly with testing tube, and test equipment passes through real-time pressure sensors and obtains data, root
According to calibrating tube decision rule, determine why not qualified pipe leakage is.It needs to guarantee end sealing and system Pneumatic component in the test process
Leakproofness, which need to be detected and be checked in time.
The calibration of 1 stainless steel tube pneumatic leak of table
| Outer diameter | < 40 | 40~50 | 50~65 | 65~75 | > 5 |
| Hole diameter | 0.07 | 0.02 | 0.12 | 0.15 | Agreement |
Advantage of this embodiment is that: one, it using differential pressure of atmospheric pressure method is tested and is leaked, with traditional underwater airtightness testing, whirlpool is visited,
The detection means such as ultrasonic wave are compared, and the reliability of test, sensitivity significantly improve, and reduce the influence of human factor；Two, it uses
The test method reduces baking process, improves production efficiency, has saved cost.
The embodiment of the above is only the preferred embodiment of the utility model, and the reality of the utility model is not limited with this
It applies range, therefore all shapes according to the utility model, changes made by principle, should all cover in the protection scope of the utility model
It is interior.
Claims (3)
- The test device 1. a kind of stainless steel tube is hunted leak, it includes rectangular rack (1), tester (2), it is characterised in that: The top movable of rack (1) length direction one end is equipped with the first mounting plate (3), is fixed with first at the top of the first mounting plate (3) Support plate (4) is fixedly installed with the second mounting plate (6) at the top of rack (1) length direction other end, the second mounting plate (6) one The fixation pipe end seal nipple (5) that quantity is greater than 2, fixed pipe end seal nipple (5) one are installed in the first support plate (4) of side It is fixed with the second support plate (7) at the top of the second mounting plate (6) of side, pacifies in second support plate (7) of the first mounting plate (3) side Equipped with movable pipe end seal nipple (9), the quantity of the quantity of movable pipe end seal nipple (9) and fixed pipe end seal nipple (5) It matches, push cylinder (8) is installed at the top of second mounting plate (6) of the second support plate (7) other side, the work of push cylinder (8) Stopper rod passes through the second support plate (7) and connect with movable pipe end seal nipple (9), the movable pipe end seal nipple (9) after installation and Testing tube installing zone is formed between fixed pipe end seal nipple (5), steel pipe (10) to be measured is placed in testing tube installing zone, and leads to Movable end sealing connector (9), fixed pipe end seal nipple (5) locking limit are crossed, movable pipe end seal nipple (9) side is equipped with Inside and outside perforative nipple orifice, nipple orifice are connect by testing conduit with tester (2)；Pacify in the rack (1) of testing tube installing zone Equipped with limit assembly, limit assembly limit is two groups or more, and along rack (1), length direction is uniformly distributed.
- The test device 2. a kind of stainless steel tube according to claim 1 is hunted leak, it is characterised in that: the limit assembly packet Fixed link (11), gag lever post (12), telescopic cylinder (13) are included, wherein fixed link (11) is fixed at the top of rack (1), installation Fixed link (11) length direction afterwards is consistent with rack (1) width direction, and gag lever post (12) is in " 7 " font, gag lever post (12) Transverse arm is located above steel pipe to be measured (10), hinged with fixed link (11) one end end in the middle part of the vertical arm of gag lever post (12), and stretch gas Cylinder (13) one end is hinged in rack (1), and telescopic cylinder (13) other end and the vertical arm bottom of gag lever post (12) are hinged.
- The test device 3. a kind of stainless steel tube according to claim 1 is hunted leak, it is characterised in that: the first mounting plate (3) bottom Portion is equipped with sliding block, and sliding block is movably embedded into the sliding slot at the top of rack (1), and both ends are equipped with locking screw at the top of the first mounting plate (3) Bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960162.3U CN208476484U (en) | 2018-06-21 | 2018-06-21 | A kind of stainless steel tube leak detection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960162.3U CN208476484U (en) | 2018-06-21 | 2018-06-21 | A kind of stainless steel tube leak detection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476484U true CN208476484U (en) | 2019-02-05 |
Family
ID=65214315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820960162.3U Active CN208476484U (en) | 2018-06-21 | 2018-06-21 | A kind of stainless steel tube leak detection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476484U (en) |
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2018
- 2018-06-21 CN CN201820960162.3U patent/CN208476484U/en active Active
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