CN201503416U - Non-destructive automatic detection device for seamless hot-expanding steel pipe with ultra-large diameter - Google Patents
Non-destructive automatic detection device for seamless hot-expanding steel pipe with ultra-large diameter Download PDFInfo
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- CN201503416U CN201503416U CN2009202163633U CN200920216363U CN201503416U CN 201503416 U CN201503416 U CN 201503416U CN 2009202163633 U CN2009202163633 U CN 2009202163633U CN 200920216363 U CN200920216363 U CN 200920216363U CN 201503416 U CN201503416 U CN 201503416U
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- steel pipe
- probe
- transmission shaft
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Abstract
The utility model relates to a non-destructive automatic detection device for seamless hot-expanding steel pipe with ultra-large diameter. The non-destructive automatic detection device comprises a pedestal, an inspection unit, a transmission device, a roller unit, ultrasonic probes and an eddy probe, wherein the transmission shaft is connected with the roller unit for driving the entire roller unit to rotate; the rollers on both sides of the inspection unit serves as a loading device and an unloading device; a water tank occupies the main body of the inspection unit and is hung by eight springs; the ultrasonic probes are mounted in a probe groove below the water tank; the eddy probe is fixed on and protrudes out of the inspection unit, and then is located above the loading roller; the rotation speed and the advancing speed of the roller unit can be changed by the transmission device and a transmission shaft; two ultrasonic probes are mounted on the front side and the rear side at the bottom of the water tank and are immersed in the water; and the probes can be adjusted freely to a correct incident angle so as to detect the faults in the longitudinal direction, on the inner surface and the outer surface of the steel pipe. The non-destructive automatic detection device can be used for inspecting hot-expanding steel pipe with ultra-large diameter, and has the advantages of high detection rate, low false alarm rate, and high detection efficiency, thereby obtaining high-quality and qualified hot-expanding steel pipes with ultra-large diameter.
Description
Technical field
The utility model relates to a kind of hot-expanding steel tube Non-Destructive Testing aut.eq., relates in particular to a kind of automatic nondestructive testing device of oversized diameter seamless hot-expanding tube.
Background technology
In modern industry was produced, hot-expanding steel tube was one of large diameter thin wall production technology of steel tube, and its characteristics are that operation is simple, mould manufacturing and with short production cycle, and production cost is low.Thereby at present many middle-size and small-size producers adopt heat to expand technology and produce steel pipe, have shortened the Development and Production cycle of new product greatly, instant effect, the suitable needs that put goods on the market fast.In the hot-expanding steel tube manufacturing process, the Non-Destructive Testing before all hot-expanding steel tubes all need to dispatch from the factory so that find substandard product, is eliminated accident potential among bud.Because the hot-expanding steel tube diameter is generally bigger, often reaches 500～1200mm, existing nondestructive examination checkout equipment is all less, can't satisfy the quality testing of super-large diameter hot-expanding pipe.
The utility model content
The purpose of this utility model provides a kind of super-large diameter hot-expanding steel tube Non-Destructive Testing aut.eq., and has a steel pipe rotation gear train that advances, ultrasound wave, eddy-current crack detector, thus solve the technical deficiency of existing equipment and a kind of novel super-large diameter automatic flaw detection of steel pipes mode is provided.
The purpose of this utility model is achieved through the following technical solutions.
A kind of super-large diameter hot-expanding steel tube Non-Destructive Testing aut.eq., comprise transmission shaft, eddy current probe, flaw detection main frame, roller-way unit, gearing, water tank, ultrasonic probe and main engine bed, the roller-way unit is connected by transmission shaft, and gearing is connected the unit rotation of the whole roller-way of drive with transmission shaft; Flaw detection main frame both sides roller-way is respectively material loading and blanking device, in the middle of main frame is positioned at and on main engine bed; The main body that water tank occupies the flaw detection main frame is lifted by eight springs; Ultrasonic probe is installed in the probe grooves of below of water tank, and eddy current probe is fixed and stretched out main frame directly over charging roller and be provided with screw rod and can adjust its height.
Described roller-way unit makes its rotation by the drive of gearing and transmission shaft, by the certain angle of roller steel pipe is advanced, and steel pipe just can rotate and advance like this, and the angle that can change rotating speed of motor and roller changes rotation and pace; Ultrasonic probe can be avoided hindering main frame with the hard clashing and breaking of steel pipe by spring lifting with water tank, and two groups of ultrasonic probes are installed on before and after the bottom of water tank two side positions and immerse in the water, and the angle of probe can freely be adjusted.
Automatic nondestructive testing device of oversized diameter seamless hot-expanding tube of the present utility model, one group of eddy current probe, earlier steel pipe is carried out eddy current test, two groups of ultrasonic probes are installed on front and back, bottom two side positions of water tank, immerse in the water and again steel pipe is carried out UT (Ultrasonic Testing), thereby the angle of ultrasonic probe can be found out the detection of correct incident angle realization to vertical, the interior and external defects of steel pipe according to the steel pipe adjustment of different size by the method for water logging flaw detection; Therefore the specification limit that detects steel pipe is bigger, detectable external diameter φ 508～φ 1200mm, the steel pipe of wall thickness 8～60mm; Form by 16 channel defects detecting systems, adopt the steel pipe rotation to advance, by the eddy-current crack detector before the main frame outside surface of steel pipe is detected a flaw, the detection mode of the motionless water logging coupling of ultrasonic probe is vertical to weldless steel tube, defect in inner surface detects, and two kinds of flaw detection modes are once finished.
The utility model beneficial effect is:
(1) method of detection of the present utility model adopts the water logging coupling process to survey seamless large-diameter pipes, and probe can be adjusted the comprehensive detection of incident angle realization to steel tube defect; The steel pipe scope of surveying is wide, has an enormous advantage than the moisture film flaw detection, and the necessary effective a kind of probe of a kind of gauge steel of moisture film probe, and the water logging coverage is big, does not need a kind of probe of a kind of specification.
(2) super-large diameter hot-expanding steel tube Non-Destructive Testing automatic flaw detection device of the present utility model is reliable and stable, and repeatability is fine, when moisture film method moisture film forms, have air to enter the influence flaw detection and produce wrong report, and this device probe is all under water, is difficult for producing the wrong report phenomenon.
Description of drawings
According to embodiment and accompanying drawing the utility model is described in further detail below.
Fig. 1 is the structural representation of automatic nondestructive testing device of oversized diameter seamless hot-expanding tube described in the utility model.
Among the figure:
1, transmission shaft; 2, eddy current probe; 3, flaw detection main frame; 4, roller-way unit; 5, gearing; 6, water tank; 7, ultrasonic probe; 8, main engine bed.
Embodiment
As shown in Figure 1, automatic nondestructive testing device of oversized diameter seamless hot-expanding tube described in the utility model, comprise transmission shaft 1, eddy current probe 2, flaw detection main frame 3, roller-way unit 4, gearing 5, water tank 6, ultrasonic probe 7 and main engine bed 8, described flaw detection main frame 3 comprises water tank 6, the ultrasonic probe 7 of both sides, water tank bottom front and back and the eddy-current crack detector in left side, and rotation advancing drive mechanism realizes by gearing 5, transmission shaft 1 and roller-way unit 4; Roller-way unit 4 makes its rotation by the drive of gearing 5 and transmission shaft 1, and steel pipe advances steel pipe by the certain angle of roller after putting into roller-way, and steel pipe is just rotatable like this advances, and the angle that changes rotating speed of motor and roller changes rotation and pace; The main frame of adjusting on the main engine bed 83 highly makes steel pipe enter main frame, the spring lifting water tank 6 can servo-actuated up and down be unlikely to bump firmly with steel pipe is straight; Eddy current probe 2 is depressed simultaneously and is carried out eddy current test; Water overflows between outer wall of steel pipe and guide pin bushing in the water tank 6, and the continuous moisturizing of water inlet makes the tested part of steel pipe under water, adjusts and fixes after ultrasonic probe 7 angles make 16 passages can both find out people's industrial injury of sample pipe; Steel pipe to be checked just can be sent into charging roller and detects by root after the adjustment of sample pipe, and the every flaw detection defect location that surpass equivalent of operating personnel to reporting to the police in the flaw detection that finish made mark, proposes handling suggestion, and every batch of steel tube flaw detection finishes, and can make raw readings and prints; Thereby finish whole flaw detection process.
Claims (2)
1. automatic nondestructive testing device of oversized diameter seamless hot-expanding tube, comprise transmission shaft (1), eddy current probe (2), flaw detection main frame (3), roller-way unit (4), gearing (5), water tank (6), ultrasonic probe (7) and main engine bed (8), it is characterized in that: described roller-way unit (4) is connected by transmission shaft (1), and gearing (5) connects with transmission shaft (1) goes up the rotation that drives whole roller-way unit (4); The roller-way of flaw detection main frame (3) both sides is respectively material loading and blanking device, in the middle of main frame is positioned at and on main engine bed (8); The main body that water tank (6) occupies flaw detection main frame (3) is lifted by eight springs; Ultrasonic probe (7) is installed in the probe grooves of water tank (6) below, and eddy current probe (2) is fixing and stretch out main frame directly over charging roller and be provided with screw rod to adjust its height.
2. automatic nondestructive testing device of oversized diameter seamless hot-expanding tube according to claim 1 is characterized in that: described roller-way unit (4) drives with transmission shaft (1) by gearing (5) and makes its rotation and by the certain angle of roller steel pipe is advanced; By the spring lifting, two groups of ultrasonic probes (7) are installed on bottom front and back two side positions of water tank and immerse in the water ultrasonic probe (7) with water tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202163633U CN201503416U (en) | 2009-09-11 | 2009-09-11 | Non-destructive automatic detection device for seamless hot-expanding steel pipe with ultra-large diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202163633U CN201503416U (en) | 2009-09-11 | 2009-09-11 | Non-destructive automatic detection device for seamless hot-expanding steel pipe with ultra-large diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503416U true CN201503416U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202163633U Expired - Lifetime CN201503416U (en) | 2009-09-11 | 2009-09-11 | Non-destructive automatic detection device for seamless hot-expanding steel pipe with ultra-large diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503416U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854243A (en) * | 2012-03-21 | 2013-01-02 | 江苏三合声源超声波科技有限公司 | Automatic ultrasonic flaw detection device |
| CN102944606A (en) * | 2012-11-23 | 2013-02-27 | 无锡鑫常钢管有限责任公司 | Steel pipe eddy current inspection feed mechanism |
| CN103983696A (en) * | 2014-05-30 | 2014-08-13 | 北京隆盛泰科石油管科技有限公司 | Water column coupling monitoring device for automatic ultrasonic detection for steel tube welding joint and design method of device |
-
2009
- 2009-09-11 CN CN2009202163633U patent/CN201503416U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854243A (en) * | 2012-03-21 | 2013-01-02 | 江苏三合声源超声波科技有限公司 | Automatic ultrasonic flaw detection device |
| CN102944606A (en) * | 2012-11-23 | 2013-02-27 | 无锡鑫常钢管有限责任公司 | Steel pipe eddy current inspection feed mechanism |
| CN103983696A (en) * | 2014-05-30 | 2014-08-13 | 北京隆盛泰科石油管科技有限公司 | Water column coupling monitoring device for automatic ultrasonic detection for steel tube welding joint and design method of device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DEXIN STEEL TUBE (CHINA) CO., LTD. Free format text: FORMER NAME: WUXI SPECIAL STEEL MATERIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214177 Industrial Zone, Huishan Economic Development Zone, Huishan District, Jiangsu, Wuxi Patentee after: Dexin Steel Pipe (China) Co., Ltd. Address before: 214177 Industrial Zone, Huishan Economic Development Zone, Huishan District, Jiangsu, Wuxi Patentee before: Wuxi Special Steel Material Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100609 |
|
| CX01 | Expiry of patent term |