CN218239238U - Air tightness detection device for stainless steel pipe - Google Patents
Air tightness detection device for stainless steel pipe Download PDFInfo
- Publication number
- CN218239238U CN218239238U CN202222177192.6U CN202222177192U CN218239238U CN 218239238 U CN218239238 U CN 218239238U CN 202222177192 U CN202222177192 U CN 202222177192U CN 218239238 U CN218239238 U CN 218239238U
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- steel pipe
- fixed
- end cap
- detection
- fixed plate
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 27
- 239000010935 stainless steel Substances 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 239000000243 solution Substances 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air tightness detection device of nonrust steel pipe relates to nonrust steel pipe check out test set technical field, including examining test table, fixed plate and fly leaf, fixed plate welded fastening is in examining test table up end left side position, fixed plate lateral wall still welded fastening has fixed end cap, examines test table up end opposite side and still slides and be equipped with the fly leaf, and fly leaf lateral wall welded fastening has movable end cap, examine test table bottom and install actuating mechanism, still be equipped with the determine part between fixed plate and the fly leaf. The utility model discloses in, actuating mechanism and the detection part that use through the fixed plate that sets up, fixed end cap, fly leaf, activity end cap and cooperation can seal the centre gripping through the nonrust steel pipe of end cap to different pipe diameters fixed, pour into certain gas into to the stainless steel intraductal afterwards to survey the demonstration of manometer, need not to go into the aquatic with nonrust steel pipe bubble and can accomplish the gas tightness and detect, it is simple convenient, and be applicable to the nonrust steel pipe of multiple model.
Description
Technical Field
The utility model relates to a nonrust steel pipe check out test set technical field especially relates to an air tightness detection device of nonrust steel pipe.
Background
Stainless steel has the characteristic that does not possess with most metal, be difficult for appearing the corrosion in natural environment promptly, its stainless steel's low cost and easily processing make it all have extensive application in all trades, wherein the stainless steel all has great popularization in the pipeline, wherein the stainless steel pipe uses more in some chemical industry, energy and water conservancy, therefore the gas tightness requirement of stainless steel pipe just is very important, general stainless steel pipe production back, need carry out the detection of spot check to it gas tightness.
Wherein traditional gas tightness detects that to adopt is sealed soaking method, make it observe the bubble can, however this kind of traditional detection mode not only detection efficiency is slower, troublesome poeration, can make the stainless steel pipe surface comparatively moist after detecting equally, still need weather the processing to nonrust steel pipe after having detected, very troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the grinding device for the special-shaped workpiece of the vertical machining center is provided.
In order to realize the purpose, the utility model adopts the following technical scheme:
the air tightness detection device for the stainless steel pipe comprises a detection table, a fixed plate and a movable plate, wherein the fixed plate is fixedly welded at the left side position of the upper end face of the detection table, a fixed plug is fixedly welded on the side wall of the fixed plate, the movable plate is slidably arranged at the other side of the upper end face of the detection table, a movable plug is fixedly welded on the side wall of the movable plate, a driving mechanism for driving the movable plate to move is installed at the bottom of the detection table, and a detection part for performing sealing detection is arranged between the fixed plate and the movable plate;
the driving mechanism comprises a power box arranged at the bottom of the detection platform, a servo motor is fixedly arranged on the side wall of the power box, an output shaft of the servo motor is fixedly connected with a lead screw, the lead screw is rotatably arranged in the power box, a through groove is formed in the position, corresponding to the power box, of the platform surface of the detection platform, a threaded seat is screwed on the surface of the lead screw through threads, and the movable plate is welded and fixed with the threaded seat;
the detection part includes intake pipe, air duct and manometer, the penetrability air guide hole has all been seted up to fixed end cap and activity end cap inside, intake pipe and fixed plate lateral wall sealing connection and with the inside intercommunication of air guide hole, the intake pipe other end is given vent to anger with external air pump and is held and be connected, the lateral wall welding that activity end cap was kept away from to the fly leaf has the connector, air duct one end is passed through the screw thread and is closed in the connector soon, the air duct surface still is equipped with the connector, the manometer closes on the connector through the screw thread soon.
As a further description of the above technical solution:
the detection table is characterized in that an auxiliary supporting part is further mounted at the middle position of the upper end face of the detection table through a bolt, the auxiliary supporting part comprises a spring telescopic rod and a supporting plate, the supporting plate is welded and fixed to the top of the spring telescopic rod, and the cross section of the supporting plate is of an arc-shaped structure.
As a further description of the above technical solution:
the fixed plugs and the movable plugs are of circular truncated cone-shaped structures, the fixed plugs and the movable plugs are made of metal materials, sealing rings are further glued on the outer surfaces of the fixed plugs and the outer surfaces of the movable plugs, and the sealing rings are made of rubber materials.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, actuating mechanism and the detection part that use through the fixed plate that sets up, fixed end cap, fly leaf, activity end cap and cooperation, can seal the centre gripping through the nonrust steel pipe of end cap to different pipe diameters and fix, pour into certain gas into to the stainless steel intraductal afterwards to survey the demonstration of manometer, need not to go into the aquatic with nonrust steel pipe bubble and can accomplish the gas tightness and detect, it is simple convenient, and be applicable to the nonrust steel pipe of multiple model.
Drawings
Fig. 1 shows a schematic view of the overall appearance structure according to the present invention;
fig. 2 shows a schematic view of an overall cross-sectional structure provided according to the present invention;
fig. 3 shows an enlarged schematic structural view of the movable plug of fig. 2 according to the present invention.
Illustration of the drawings: 1. a detection table; 2. a fixing plate; 3. fixing the plug; 4. a power box; 5. a servo motor; 6. a screw rod; 7. a movable plate; 8. a movable plug; 9. a spring telescopic rod; 10. a pallet; 11. an air inlet pipe; 12. an air duct; 13. a pressure gauge; 14. a gas-guide hole; 15. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the air tightness detection device for the stainless steel pipe comprises a detection table 1, a fixed plate 2 and a movable plate 7, wherein the fixed plate 2 is fixedly welded at the left side position of the upper end face of the detection table 1, a fixed plug 3 is further fixedly welded on the side wall of the fixed plate 2, the movable plate 7 is further arranged on the other side of the upper end face of the detection table 1 in a sliding mode, a movable plug 8 is fixedly welded on the side wall of the movable plate 7, a driving mechanism for driving the movable plate 7 to move is installed at the bottom of the detection table 1, and a detection part for performing sealing detection is further arranged between the fixed plate 2 and the movable plate 7;
the driving mechanism comprises a power box 4 arranged at the bottom of the detection platform 1, a servo motor 5 is fixedly arranged on the side wall of the power box 4, an output shaft of the servo motor 5 is fixedly connected with a lead screw 6, the lead screw 6 is rotatably arranged in the power box 4, a through groove is formed in the position, corresponding to the power box 4, of the platform surface of the detection platform 1, a threaded seat is screwed on the surface of the lead screw 6 through threads, and a movable plate 7 is welded and fixed with the threaded seat;
the detection part comprises an air inlet pipe 11, an air guide pipe 12 and a pressure gauge 13, a penetrating air guide hole 14 is formed in each of a fixed plug 3 and a movable plug 8, the air inlet pipe 11 is connected with the side wall of a fixed plate 2 in a sealing mode and is communicated with the inside of the air guide hole 14, the other end of the air inlet pipe 11 is connected with an air outlet end of an external air pump, a connector is welded on the side wall of the movable plate 7, away from the movable plug 8, one end of the air guide pipe 12 is screwed into the connector through threads, a connector is further arranged on the surface of the air guide pipe 12, the pressure gauge 13 is screwed into the connector through the threads, the pressure gauge 13 conducts pressure deformation to a pointer through elastic deformation of a sensitive element (a bourdon tube, a bellows) in the gauge, and then the switching mechanism of a movement in the gauge conducts the pressure deformation to the pointer, and the pointer is caused to rotate to display pressure.
Further, examine test table 1 up end intermediate position and go back the bolt and install auxiliary stay part, auxiliary stay part includes spring telescopic link 9 and layer board 10, layer board 10 welded fastening is at spring telescopic link 9 top, and layer board 10 cross-section is the arc structure, layer board 10 mainly is the effect of pre-supporting before the installation to nonrust steel pipe, and spring telescopic link 9 can be according to the diameter and the quality of nonrust steel pipe, has certain height control, and convenient detection personnel is fixed nonrust steel pipe and end cap butt joint.
Further, fixed end cap 3 and activity end cap 8 all are round platform shape structure, and the end cap of round platform shape structure can the nonrust steel pipe of the different pipe diameters of adaptation, need not to change the end cap repeatedly, and fixed end cap 3 and activity end cap 8 are the metal material and make, and fixed end cap 3 and 8 surfaces of activity end cap have still glued sealing washer 15, and sealing washer 15 can play sealed effect with nonrust steel pipe port butt, and sealing washer 15 is made for the rubber material.
The working principle is as follows: when the stainless steel pipe airtightness detection device is used, firstly, a stainless steel pipe to be detected is placed on the surface of the supporting plate 10, then, one end of the stainless steel pipe is in butt joint with the fixed plug 3, then, the servo motor 5 is started, the servo motor 5 drives the screw rod 6 to rotate, further, the screw rod 6 drives the movable plate 7 to move through the threaded seat, the movable plate 7 drives the movable plug 8 to be close to the stainless steel pipe until the movable plug 8 is in butt joint with the port of the stainless steel pipe, along with continuous pushing of the movable plug 8, the two ends of the stainless steel pipe are sealed by the plugs, further, gas is injected into the stainless steel pipe through the gas inlet pipe 11, the reading of the pressure gauge 13 is observed until the pressure gauge 13 reaches a certain value, gas injection is suspended at the moment, the gas pressure inside the stainless steel pipe is kept for a period of time, then, the reading of the pressure gauge 13 is observed again, if the pressure gauge 13 shows that the numerical value is unchanged, the stainless steel pipe is good in airtightness, otherwise, the stainless steel pipe is poor in airtightness detection can be performed on the stainless steel pipes with different sizes and models through sequential operation.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The airtightness detection device for the stainless steel pipe comprises a detection table (1), a fixed plate (2) and a movable plate (7), wherein the fixed plate (2) is fixedly welded at the left side position of the upper end face of the detection table (1), a fixed plug (3) is further fixedly welded on the side wall of the fixed plate (2), the movable plate (7) is further arranged on the other side of the upper end face of the detection table (1) in a sliding mode, a movable plug (8) is fixedly welded on the side wall of the movable plate (7), and the airtightness detection device is characterized in that a driving mechanism for driving the movable plate (7) to move is installed at the bottom of the detection table (1), and a detection part for carrying out airtightness detection is further arranged between the fixed plate (2) and the movable plate (7);
the driving mechanism comprises a power box (4) arranged at the bottom of the detection platform (1), a servo motor (5) is fixedly arranged on the side wall of the power box (4), an output shaft of the servo motor (5) is fixedly connected with a lead screw (6), the lead screw (6) is rotatably arranged in the power box (4), a through groove is formed in the position, corresponding to the power box (4), of the platform surface of the detection platform (1), a threaded seat is screwed on the surface of the lead screw (6) through threads, and the movable plate (7) is fixedly welded with the threaded seat;
the utility model discloses a detection part, including air inlet pipe (11), air duct (12) and manometer (13), fixed end cap (3) and activity end cap (8) are inside all seted up and have run through nature air guide hole (14), air inlet pipe (11) and fixed plate (2) lateral wall sealing connection and with air guide hole (14) inside intercommunication, air inlet pipe (11) other end and external air pump give vent to anger the end and be connected, the lateral wall welding that activity end cap (8) was kept away from in fly leaf (7) has the connector, air duct (12) one end closes in the connector soon through the screw thread, air duct (12) surface still is equipped with the connector, manometer (13) close on the connector soon through the screw thread.
2. The stainless steel pipe airtightness detection device according to claim 1, wherein an auxiliary support member is further bolted to the middle position of the upper end face of the detection table (1), the auxiliary support member comprises a spring telescopic rod (9) and a support plate (10), the support plate (10) is welded and fixed to the top of the spring telescopic rod (9), and the cross section of the support plate (10) is of an arc-shaped structure.
3. The device for detecting the airtightness of the stainless steel pipe according to claim 1, wherein the fixed plug (3) and the movable plug (8) are both of a truncated cone structure, the fixed plug (3) and the movable plug (8) are both made of a metal material, sealing rings (15) are further glued to the outer surfaces of the fixed plug (3) and the movable plug (8), and the sealing rings (15) are made of a rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177192.6U CN218239238U (en) | 2022-08-18 | 2022-08-18 | Air tightness detection device for stainless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177192.6U CN218239238U (en) | 2022-08-18 | 2022-08-18 | Air tightness detection device for stainless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218239238U true CN218239238U (en) | 2023-01-06 |
Family
ID=84681152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222177192.6U Active CN218239238U (en) | 2022-08-18 | 2022-08-18 | Air tightness detection device for stainless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218239238U (en) |
-
2022
- 2022-08-18 CN CN202222177192.6U patent/CN218239238U/en active Active
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