CN100342231C - Pendulum type tracking wheel mechanism in floating box - Google Patents
Pendulum type tracking wheel mechanism in floating box Download PDFInfo
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- CN100342231C CN100342231C CNB2003101172581A CN200310117258A CN100342231C CN 100342231 C CN100342231 C CN 100342231C CN B2003101172581 A CNB2003101172581 A CN B2003101172581A CN 200310117258 A CN200310117258 A CN 200310117258A CN 100342231 C CN100342231 C CN 100342231C
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- tracking
- probe
- buoyancy tank
- overflow type
- tracking wheel
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Abstract
The present invention relates to a pendulum type tracking wheel mechanism in a floating box, which comprises a water storage tank, a closed floating box, a hinged pendulum shaft, tracking wheels, support rods, a water overflow type probe, a regulation bearing board for dovetail tanks, a slide board and wheelbase regulation rods, wherein the closed floating box is arranged in the water storage tank; two support seats, in which the hinged pendulum shaft is arranged, are arranged at the top of the closed floating box; the middle of the hinged pendulum shaft is respectively fixedly connected upward inclined bearing boards along both radial sides; the inclined bearing boards at both sides are respectively provided with the regulation bearing board for dovetail tanks and the slide board provided with the water overflow type probe; the tracking wheels are arranged at both sides of the water overflow type probe; the lower parts of the tracking wheels are provided with the support rods; the wheelbase regulation rods are crossly connected to the lower parts of the two tracking wheels at one side of the water overflow type probe. The device has the advantages that the probe has good tracking effect to outer walls of steel tubes at the time of inspection; the present invention has convenient regulation and operation, small mechanical vibration and low noise when the specifications of the steel tubes to be detected are changed.
Description
Technical field
The present invention relates to metal material nondestructive testing technique field, belong to a kind of steel pipe ultrasonic automatic flaw detecting device, be applicable to that the steel pipe spiral advances, the Non-Destructive Testing of the steel pipe of diameter 〉=Φ 76mm.
Background technology
In order to guarantee the product quality of steel pipe, carry out Non-Destructive Testing to steel pipe, with in the method for ultrasonic inspection, the diameter of steel pipe 〉=Φ 100mm generally adopts the steel pipe spiral relatively-stationary form of advancing, pop one's head in.In the process of ultrasonic inspection, need to use couplant between probe and the measured object, in automatic flaw detection of steel pipes generally all water make couplant.According to the ultrasonic inspection principle, the axis of probe is wanted the certain distance of parallel offset diameter of steel tube direction, i.e. eccentric throw; The outside surface of probe and steel pipe will keep the distance of about 20mm simultaneously, and this distance must be stable, and these are called the tracking of probe to outer wall of steel pipe technically.In order to keep the stable of water layer, pop one's head in below steel pipe.Therefore just must have a cover mechanical hook-up to guarantee these requirements, equipment in the past all adopts the form of guide pin bushing or spring device to follow the tracks of, and probe is immersed in the tank in order to guarantee water layer.Because the qualified steel pipe of physical dimension exists straight degree, the roundness deviation of permission, all there are some problems in these devices on following the tracks of and adjusting, warp must be outer through several millimeters greater than steel pipe in the guide pin bushing, otherwise steel pipe just can not penetrate guide pin bushing, tracking effect is undesirable like this, the specification quantity of the quantity of guide pin bushing and quilt spy outer diameter of steel pipes has direct relation simultaneously, is difficult for adjusting operation, and the device fabrication cost is big; Spring device vibration is big, and it is fragile to pop one's head in, and it is big that these mechanisms all deposit mechanical vibration, the problem that noise is high.In order to detect reliably, prevent the mistake spy, must block up the steel pipe two ends with end socket, avoid a large amount of water inlet the in the pipe, so just increased operating personnel.
Summary of the invention
The purpose of this invention is to provide a kind of buoyancy tank pendulum-type tracking wheel mechanism, it can make probe reliably tested outer wall of steel pipe be followed the tracks of, and tracking effect is good, adjustment, easy to operate when replacing is detected the steel pipe specification, do not need guide pin bushing and end socket, mechanical vibration are little, and noise is low.
For achieving the above object, adopted following design proposal;
A kind of buoyancy tank pendulum-type tracking wheel mechanism is characterized in that: it comprises that aqua storage tank, closed buoyancy tank, hinged axis of swing, tracking wheel, pole, overflow type probe, dovetail groove regulate supporting plate, slide plate, wheel distance regulating rod;
Described closed buoyancy tank is arranged in the aqua storage tank, be provided with two bearings at the top of closed buoyancy tank, in these two bearings, be provided with a hinged axis of swing, radially be fixedly connected with acclivitous supporting plate respectively in both sides at this hinged axis of swing middle part, be respectively arranged with dovetail groove and regulate supporting plate and slide plate on the supporting plate of these both sides, slide plate is provided with the overflow type probe;
Described tracking wheel is arranged on the both sides of overflow type probe, is connected with pole in the bottom of tracking wheel, and cross connection has the wheel distance regulating rod under overflow type is popped one's head in two tracking wheels of a side.
Be provided with water leg in the aqua storage tank bottom, the both sides, upper end in aqua storage tank are provided with the buoyancy tank limiting plate.
Described pole lower end is connected with transverse slat, is connected with the spring that joins with the closed buoyancy tank in this transverse slat lower end.
Described overflow type probe comprises hyperchannel probe and opening water jacket, and this probe is arranged in the opening water jacket, is connected with delivery hose at the rear portion of water jacket.
The described distance regulating rod of taking turns is provided with adjustment hole, inserts pin in the adjustment hole of the two wheel distance regulating rods that intersect.
During use, under the aquagenic buoyancy, tracking wheel is close to the tested steel pipe walls that spiral advances to the enclosure-type buoyancy tank in aqua storage tank, makes the probe and the distance of outer wall of steel pipe keep stable, reaches good tracking effect.
Because the water jacket physical dimension in the overflow type probe is much smaller with respect to existing tank, steel pipe is when advancing, steel tube head during near water jacket the distance apart from probe very little, steel tube head can pass through water jacket soon, in the flaw detection process, steel tube head does not need stifled upper cover, has saved manpower and materials.
The advantage of this device is: probe is good to the tracking effect of outer wall of steel pipe during flaw detection, adjustment, easy to operate when replacing is detected the steel pipe specification.Do not need guide pin bushing, end socket.Mechanical vibration are little, and noise is low.
Description of drawings
Fig. 1 is that master of the present invention looks synoptic diagram
Fig. 2 is Fig. 1 schematic top plan view
Fig. 3 is that synoptic diagram is looked on Fig. 1 left side
Fig. 4 is the enlarged diagram of following cross connection wheel distance regulating rod among Fig. 1
Fig. 5 is the enlarged diagram that dovetail groove is regulated supporting plate and slide plate
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5: a kind of buoyancy tank pendulum-type tracking wheel mechanism is characterized in that: it comprises that aqua storage tank 12, closed buoyancy tank 11, hinged axis of swing 10, tracking wheel 2, pole 16, overflow type probe 3, dovetail groove regulate supporting plate 7, slide plate 8, wheel distance regulating rod 4;
Described closed buoyancy tank 11 is arranged in the aqua storage tank 12, be provided with two bearings 22 at the top of closed buoyancy tank 11, in these two bearings, be provided with a hinged axis of swing 10, radially be fixedly connected with acclivitous supporting plate 9 respectively in both sides at this hinged axis of swing middle part, be respectively arranged with dovetail groove and regulate supporting plate 7 and slide plate 8 on the supporting plate 9 of these both sides, slide plate 8 is provided with overflow type probe 3; During use, rotation handwheel 6 makes slide plate 8 regulate on the supporting plate 7 at dovetail groove and moves, thus the eccentric throw of regulating probe 3 and steel pipe.
Described tracking wheel 2 is arranged on the both sides of overflow type probe, is connected with pole 16 in the bottom of tracking wheel 2, and cross connection has wheel distance regulating rod 4 under overflow type is popped one's head in two tracking wheels of a side.
Be provided with water leg 13 in aqua storage tank 12 bottoms, the both sides, upper end in aqua storage tank 12 are provided with buoyancy tank limiting plate 19.Closed buoyancy tank 11 can only be moved up and down with the highest spacing.
Described pole 16 lower ends are connected with transverse slat 15, are connected with the spring 14 that joins with the closed buoyancy tank in these transverse slat 15 lower ends.
Described overflow type probe 3 comprises hyperchannel probe 20 and opening water jacket 21, and this probe 20 is arranged in the opening water jacket 21, is connected with delivery hose 17 at the rear portion of water jacket.
The described distance regulating rod 4 of taking turns is provided with adjustment hole, inserts pin in the adjustment hole of the two wheel distance regulating rods that intersect.For the tested steel pipe of different-diameter, with the position that pin 18 inserts different adjustment holes 5, the distance that is used for regulating steel pipe radial tracking wheel is to adapt to the steel pipe of different-diameter.
During use, detected steel pipe 1 self rotation and rectilinear motion under being driven by running roller on the roller-way are that spiral advances.Under the aquagenic buoyancy, tracking wheel 2 is close to tested steel pipe 1 wall that spiral advances to enclosure-type buoyancy tank 11 in aqua storage tank 12, makes the probe 20 and the distance of steel pipe 1 outer wall keep stable, reaches good tracking effect.
Because the water jacket physical dimension in the overflow type probe is much smaller with respect to existing tank, steel pipe 1 is when advancing, steel tube head during near water jacket the distance apart from probe very little, steel tube head can pass through water jacket soon, in the flaw detection process, steel tube head does not need stifled upper cover, has saved manpower and materials.
In use, supply to have the water of certain pressure earlier to opening water jacket 21, make probe water jacket interruption-forming that tens millimeters spilling water layer be arranged, water flows in the aqua storage tank 12 after discharging water jacket, make buoyancy tank 11 produce enough buoyancy, tracking wheels etc. together float thereupon, and the water that aqua storage tank 12 overflows is collected by water leg 13 and recycled.When steel pipe does not contact tracking wheel, the steel pipe bottom is lower than tracking wheel 3-10mm, in a single day steel pipe touches tracking wheel, automatically the tracking wheel of servo-actuated is depressed, under the acting in conjunction of buoyancy and balance staff servo-actuated, buoyancy tank, balance staff, tracking wheel can move up and down along with the steel pipe that straight degree, roundness deviation are arranged, and tracking wheel is close to the outer wall of steel pipe, make probe to steel pipe good tracking effect be arranged.Under the effect of water, significantly reduced mechanical vibration, so noise is low simultaneously.
National standard requires the blind area of can not visiting of steel tube end part to be≤200mm to the method for automatic flaw detection of steel pipes.The speed of steel tube ultrasonic inspection is generally 6-30m/min, i.e. 100-500mm/s, the about 100mm of length of this device probe water jacket 21, the time of water jacket 21 was passed through less than 1 second in the end, intake seldom in the pipe, coverage therefore need be at the stifled upper cover of steel tube end part in the blind area.
Claims (4)
1, a kind of buoyancy tank pendulum-type tracking wheel mechanism is characterized in that: it comprises that aqua storage tank (12), closed buoyancy tank (11), hinged axis of swing (10), tracking wheel (2), pole (16), overflow type probe (3), dovetail groove regulate supporting plate (7), slide plate (8), wheel distance regulating rod (4);
Described closed buoyancy tank (11) is arranged in the aqua storage tank (12), be provided with two bearings (22) at the top of closed buoyancy tank (11), in these two bearings, be provided with a hinged axis of swing (10), radially be fixedly connected with acclivitous supporting plate (9) respectively in both sides at this hinged axis of swing middle part, be respectively arranged with dovetail groove and regulate supporting plate (7) and slide plate (8) on the supporting plate (9) of these both sides, slide plate (8) is provided with overflow type probe (3);
Described overflow type probe (3) comprises hyperchannel probe (20) and opening water jacket (21), and this hyperchannel probe (20) is arranged in the opening water jacket (21), is connected with delivery hose (17) at the rear portion of water jacket;
Described tracking wheel (2) is arranged on the both sides of overflow type probe, is connected with pole (16) in the bottom of tracking wheel (2), and cross connection has wheel distance regulating rod (4) under overflow type is popped one's head in two tracking wheels of a side.
2, buoyancy tank pendulum-type tracking wheel according to claim 1 mechanism, it is characterized in that: be provided with water leg (13) in aqua storage tank (12) bottom, the both sides, upper end in aqua storage tank (12) are provided with buoyancy tank limiting plate (19).
3, buoyancy tank pendulum-type tracking wheel according to claim 1 mechanism, it is characterized in that: described pole (16) lower end is connected with transverse slat (15), is connected with the spring (14) that joins with the closed buoyancy tank in this transverse slat (15) lower end.
4, buoyancy tank pendulum-type tracking wheel according to claim 1 mechanism, it is characterized in that: the described distance regulating rod (4) of taking turns is provided with adjustment hole, inserts pin (18) in the adjustment hole of the two wheel distance regulating rods that intersect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101172581A CN100342231C (en) | 2003-12-09 | 2003-12-09 | Pendulum type tracking wheel mechanism in floating box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101172581A CN100342231C (en) | 2003-12-09 | 2003-12-09 | Pendulum type tracking wheel mechanism in floating box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1627066A CN1627066A (en) | 2005-06-15 |
| CN100342231C true CN100342231C (en) | 2007-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101172581A Expired - Fee Related CN100342231C (en) | 2003-12-09 | 2003-12-09 | Pendulum type tracking wheel mechanism in floating box |
Country Status (1)
| Country | Link |
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| CN (1) | CN100342231C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124637B (en) * | 2016-08-08 | 2019-06-21 | 华中科技大学无锡研究院 | A kind of three-level tracking device for drilling rod water soaked ultrasonic detection |
| CN106226396A (en) * | 2016-08-29 | 2016-12-14 | 江苏赛福探伤设备制造有限公司 | Gas cylinder ultrasonic thickness measuring defectoscope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4383448A (en) * | 1979-09-07 | 1983-05-17 | Hitachi, Ltd. | Semi-automatic scanner for ultrasonic flaw detection |
| CN2081097U (en) * | 1990-12-22 | 1991-07-17 | 鞍山市蓝鹰技术研究所 | Automatic flaw detector for pipe billet |
| CN2151464Y (en) * | 1993-02-15 | 1993-12-29 | 中国科学院武汉物理研究所 | Probe servo tracker |
| JPH07239225A (en) * | 1994-02-28 | 1995-09-12 | Sumitomo Metal Ind Ltd | Scan follower mechanism for measuring device of electro-resistance welded pipe inner bead ground shape |
| JPH09243613A (en) * | 1996-03-08 | 1997-09-19 | Mitsubishi Electric Corp | Inspection apparatus |
| CN2286313Y (en) * | 1996-02-14 | 1998-07-15 | 张永和 | Ultrasound automatic flaw detector for petroleum boring casing and drilling rod |
| CN2299317Y (en) * | 1997-07-22 | 1998-12-02 | 四川电力试验研究院 | Mechanical scanning device for ultrasonic harmless flaw detector |
| CN2428774Y (en) * | 1999-12-08 | 2001-05-02 | 中国科学院武汉物理与数学研究所 | Supersonic scanning-inspection positioning device for elbow of pipeline |
-
2003
- 2003-12-09 CN CNB2003101172581A patent/CN100342231C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4383448A (en) * | 1979-09-07 | 1983-05-17 | Hitachi, Ltd. | Semi-automatic scanner for ultrasonic flaw detection |
| CN2081097U (en) * | 1990-12-22 | 1991-07-17 | 鞍山市蓝鹰技术研究所 | Automatic flaw detector for pipe billet |
| CN2151464Y (en) * | 1993-02-15 | 1993-12-29 | 中国科学院武汉物理研究所 | Probe servo tracker |
| JPH07239225A (en) * | 1994-02-28 | 1995-09-12 | Sumitomo Metal Ind Ltd | Scan follower mechanism for measuring device of electro-resistance welded pipe inner bead ground shape |
| CN2286313Y (en) * | 1996-02-14 | 1998-07-15 | 张永和 | Ultrasound automatic flaw detector for petroleum boring casing and drilling rod |
| JPH09243613A (en) * | 1996-03-08 | 1997-09-19 | Mitsubishi Electric Corp | Inspection apparatus |
| CN2299317Y (en) * | 1997-07-22 | 1998-12-02 | 四川电力试验研究院 | Mechanical scanning device for ultrasonic harmless flaw detector |
| CN2428774Y (en) * | 1999-12-08 | 2001-05-02 | 中国科学院武汉物理与数学研究所 | Supersonic scanning-inspection positioning device for elbow of pipeline |
Non-Patent Citations (2)
| Title |
|---|
| "PLC控制系统在钢管自动超声探伤系统的应用" 李杰等，机械加工与自动化，第3期 2002 * |
| "超声水浸检测系统扫描装置的研制" 余汪洋，无损探伤，第3期 2002 * |
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| Publication number | Publication date |
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| CN1627066A (en) | 2005-06-15 |
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Effective date of registration: 20160530 Address after: Yang Yanlu 101407 Beijing city Huairou District Yanqi Economic Development Zone No. 88 Patentee after: National standard (Beijing) inspection & Certification Co., Ltd. Address before: 100088 research and development department, Beijing non ferrous Metal Research Institute, 2 Xinjie street, Beijing Patentee before: General Research Institute for Nonferrous Metals |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20161209 |