CN106996960B - Shaft assembly electron beam welding seam ultrasonic flaw detection device - Google Patents
Shaft assembly electron beam welding seam ultrasonic flaw detection device Download PDFInfo
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- CN106996960B CN106996960B CN201710366538.8A CN201710366538A CN106996960B CN 106996960 B CN106996960 B CN 106996960B CN 201710366538 A CN201710366538 A CN 201710366538A CN 106996960 B CN106996960 B CN 106996960B
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- flaw detection
- input shaft
- ultrasonic
- ultrasonic probe
- positioning seat
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000003466 welding Methods 0.000 title claims abstract description 25
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000002224 dissection Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic flaw detection device for an electron beam welding seam of a shaft assembly, which comprises an input shaft workpiece and a positioning seat for fixing the input shaft workpiece, wherein an inner cylindrical hole with a welding seam is formed in the lower part of the input shaft workpiece, a middle hole is formed in the middle of the positioning seat, an annular clamping ring is arranged at the upper end of the middle hole and is inserted into the inner cylindrical hole to fix the input shaft workpiece, an ultrasonic flaw detection device is arranged at the lower part of the positioning seat, the ultrasonic flaw detection device comprises a T-shaped ultrasonic probe and a flaw detection driving structure for driving the ultrasonic probe to slowly rotate and move up and down, the ultrasonic probe penetrates through the middle hole and is inserted into the inner cylindrical hole to be detected on the input shaft workpiece, and the ultrasonic probe enters at an angle perpendicular to the welding seam through ultrasonic incident sound waves, so that flaw detection on the input shaft workpiece is realized. The invention saves detection time and cost, performs flaw detection on the welding quality of products one by one, has simple tooling structure, convenient clamping and strong universality, and improves the production efficiency while ensuring the quality of the products.
Description
Technical Field
The invention relates to an ultrasonic flaw detector for an electron beam welding seam of a shaft assembly.
Background
With the gradual development of market economy, the demand of automobiles is increasingly popular, the demand of automobile parts in the automobile market is also increasingly increased, and on the premise of ensuring the quality of automobile products, the improvement of the processing efficiency of the automobile parts as high as possible becomes the aim pursued by each automobile part production enterprise. However, in the actual production process, many products, especially the electron beam welding of the shaft, can not detect the weld seam by the traditional method, but only the traditional method of performing wire-cut dissection metallographic analysis welding after welding can be used for detecting the weld seam, but the wire-cut dissection metallographic analysis method is complex in operation and slow in process, not only increases the production cost for automobile part enterprises due to dissection parts, but also reduces the competitiveness of the enterprises.
Disclosure of Invention
The invention provides an ultrasonic flaw detection device for an electron beam welding seam of a shaft assembly in order to solve the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an axle class closes piece electron beam welding seam ultrasonic inspection device, includes input shaft work piece and is used for fixing the positioning seat of input shaft work piece, the lower part of input shaft work piece has the interior cylindrical hole that has the welding seam, the middle part of positioning seat is equipped with the mesopore, the upper end of mesopore is equipped with annular snap ring and inserts to interior cylindrical hole and fix the input shaft work piece, the lower part of positioning seat is equipped with ultrasonic inspection device, ultrasonic inspection device includes the ultrasonic probe that is T type and drives ultrasonic probe and slowly rotates and reciprocate the drive structure that detects, ultrasonic probe passes in the mesopore and inserts to the interior cylindrical hole that wants to detect on the input shaft work piece, and this ultrasonic probe passes through the sound wave of ultrasonic incidence and gets into with the angle of perpendicular to welding seam to realized detecting a flaw to the input shaft work piece.
Preferably, the flaw detection driving structure comprises a flaw detection cylindrical base fixed at the lower part of the positioning seat, an installation cavity is formed in the flaw detection cylindrical base, a cavity cover plate is installed at the lower part of the installation cavity in a sealing mode, a sealed operation piston cavity is formed below the cavity cover plate by crossing and fixing the cavity cover plate on the installation cavity, a piston base plate is installed at the lower side of the inner part of the operation piston cavity, an air nozzle capable of blowing air into and sucking air is arranged at the lower part of the operation piston cavity, a pair of jacking columns penetrating through the cavity cover plate are arranged at the upper part of the piston base plate, a rotary motor installation seat is installed at the upper part of the jacking columns, and a rotary motor is installed in the rotary motor installation seat and an ultrasonic probe is installed on an output shaft of the rotary motor.
Preferably, the output shaft of the rotating motor is connected to the ultrasonic probe through a coupling sleeve.
Preferably, an air pump is arranged in the cylinder wall of the flaw detection cylindrical base, the air pump is connected with the air tap through an air channel built-in flaw detection cylindrical base, and the air tap is fixedly arranged through an air tap mounting plate fixed on the bottom plate of the working piston cavity.
Preferably, the flaw detection cylindrical base is abutted with the positioning seat through countersunk screws.
The working principle of the invention is as follows: in order to carry out weld joint flaw detection on an inner cylindrical hole of an input shaft workpiece, an ultrasonic probe is designed to detect the inner cylindrical hole, a pair of induction heads are arranged at the upper part of the ultrasonic probe, ultrasonic waves can be continuously emitted by the induction heads, the quality of weld joint welding is determined by utilizing the echo positioning effect of the ultrasonic waves, and in order to realize three-dimensional surrounding flaw detection in the inner cylindrical hole, an independent rotating motor is arranged at the lower part of the ultrasonic probe to drive the ultrasonic probe to rotate, and the ultrasonic probe is moved up and down through a piston type air cylinder, namely, the ultrasonic probe adopts the probe to fix the quality of the weld joint welding of the workpiece through rotating full-circle scanning, and the ultrasonic probe comprises porosity and full-circle proportion of crack rate.
The ultrasonic probe is a detection device commonly used in the prior art, can detect defects less than phi 0.5mm in weld joint detection, and can automatically calculate and display the percentage of the total length of a defective area in the total length of the weld joint. Except for loading and unloading materials, all other operation processes are controlled by a microcomputer to carry out automatic flaw detection.
Compared with the prior art, the ultrasonic flaw detection device changes the traditional wire cutting anatomical real object into the ultrasonic flaw detection device for detecting the weld joints, so that the enterprise cost is reduced, the detection time is saved, the flaw detection is carried out on the welding quality of products one by one, the tool structure is simple, the clamping is convenient, the universality is strong, and the production efficiency is improved while the product quality is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention will be described in detail with reference to the drawings and examples.
As shown in fig. 1, the invention provides an ultrasonic flaw detection device for an electron beam weld joint of a shaft assembly, which comprises an input shaft workpiece 1 and a positioning seat 2 for fixing the input shaft workpiece, the lower part of the input shaft workpiece 1 is provided with an inner cylindrical hole 3 with a welding line, the middle part of the positioning seat 2 is provided with a middle hole 4, the upper end of the middle hole 4 is provided with an annular clamping ring 5 which is inserted into the inner cylindrical hole 3 and fixes the input shaft workpiece 1: the lower part of the positioning seat 2 is provided with an ultrasonic flaw detector, the ultrasonic flaw detector comprises a T-shaped ultrasonic probe 15 and a flaw detection driving structure for driving the ultrasonic probe 15 to slowly rotate and move up and down, the ultrasonic probe 15 passes through the middle hole 4 and is inserted into an inner cylindrical hole 3 to be detected on the input shaft workpiece 1, and the ultrasonic probe 15 enters at an angle perpendicular to a welding line through ultrasonic incident sound waves, so that flaw detection on the input shaft workpiece 1 is realized.
The flaw detection driving structure comprises a flaw detection cylindrical base 6 fixed at the lower part of a positioning seat 2, a mounting cavity 7 is formed in the flaw detection cylindrical base 6, a cavity cover plate 8 is mounted at the lower part of the mounting cavity 7 in a sealing manner, a sealed operation piston cavity 9 is formed below the cavity cover plate by the cavity cover plate 8 and is fixedly arranged on the mounting cavity 7 in a crossing manner, a piston base plate 10 is mounted at the lower side of the inner part of the operation piston cavity 9, an air nozzle 11 capable of blowing and sucking air into the cavity is arranged at the lower part of the operation piston cavity 9, a pair of jacking posts 12 penetrating through the cavity cover plate 8 are arranged at the upper part of the piston base plate 10, a rotary motor mounting seat 13 is mounted at the upper part of the jacking posts 12, a rotary motor 14 is mounted in the rotary motor mounting seat 13, and an ultrasonic probe 15 is mounted on an output shaft of the rotary motor 14. The output shaft of the rotary motor 14 is connected to the ultrasonic probe 15 through a coupling sleeve 16. An air pump 17 is arranged in the wall of the flaw detection cylindrical base 6, the air pump 17 is connected with the air tap 11 through an air channel 18 built in the flaw detection cylindrical base 6, and the air tap 11 is fixedly arranged through an air tap mounting plate 20 fixed on the bottom plate of the working piston cavity 9. The flaw detection cylindrical base 6 is abutted to the positioning seat 2 through countersunk head screws 19, and step holes corresponding to the countersunk head screws are formed in the positioning seat 2.
When the air pump is used specifically, the air pump is arranged on the ventilation flow channel 18, the air pipes at the two ends of the air pump are in butt joint with the ventilation flow channel, the air pump can enable the air nozzle to jet or suck air, when the air nozzle jets air, the air pump can jack up the piston base plate 10 to enable the two jacking posts to finish pushing up the rotating motor above, otherwise, when the air pump sucks air, the rotating motor descends, the rotating motor moves up and down to drive the whole ultrasonic probe 15 to move up and down, and the ultrasonic probe is driven by the rotating motor to rotate.
The technical scheme of the invention is that an ultrasonic flaw detection method is adopted to detect the quality of an electron beam welding seam, ultrasonic waves are emitted by a probe to detect the workpiece, the detected depth of the workpiece defect is the same as the depth of an actual comparison flaw detection standard sample, and the method sequentially comprises the following steps: adjusting the precision of a positioning seat, placing a flaw detection standard sample in a positioning disc, and adjusting the height of a probe and the flaw detection gain and delay so that the flaw detection can detect the major injury and the minor injury of the standard sample; the output shaft workpiece is placed on the positioning seat, the ultrasonic probe inside the positioning seat drives the shaft to rotate circumferentially, the probe is directly opposite to the welding line to scan at the moment, and the proportion of the air hole and the crack rate of the welding line to the circumference is displayed on a computer.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the patent and scope of the invention should be pointed out with reference to the appended claims.
Claims (4)
1. The utility model provides an axle class closes piece electron beam welding seam ultrasonic flaw detection device, includes input shaft work piece (1) and is used for fixed input shaft work piece's positioning seat (2), the lower part of input shaft work piece (1) has interior cylinder hole (3) that have the welding seam, the middle part of positioning seat (2) is equipped with mesopore (4), the upper end of mesopore (4) is equipped with annular snap ring (5) and inserts interior cylinder hole (3) and fix input shaft work piece (1), its characterized in that: the ultrasonic flaw detection device is arranged at the lower part of the positioning seat (2), and comprises a T-shaped ultrasonic probe (15) and a flaw detection driving structure for driving the ultrasonic probe (15) to rotate slowly and move up and down, wherein the ultrasonic probe (15) passes through the middle hole (4) and is inserted into an inner cylindrical hole (3) to be detected on the input shaft workpiece (1), and the ultrasonic probe (15) enters at an angle perpendicular to a welding line, so that flaw detection on the input shaft workpiece (1) is realized;
the utility model provides a drive structure detects a flaw including fixing in cylindric base (6) of detecting a flaw of positioning seat (2) lower part, the inside of detecting a flaw cylindric base (6) has a installation cavity (7), a cavity apron (8) are installed in the lower part seal of installation cavity (7), cavity apron (8) span and fix on installation cavity (7) make the below of cavity apron form a inclosed operation piston chamber (9), piston base plate (10) are installed to the inside downside in operation piston chamber (9), and the lower part in this operation piston chamber (9) is equipped with can blow and air intake air cock (11) in the cavity, the upper portion of piston base plate (10) is equipped with a pair of jack-prop (12) that run through in cavity apron (8), rotary motor mount pad (13) are installed on the upper portion of jack-prop (12), install rotary motor (14) in rotary motor mount pad (13), install on the output shaft of rotary motor (14) ultrasonic probe (15).
2. The shaft assembly electron beam weld ultrasonic flaw detection device according to claim 1, wherein: an output shaft of the rotating motor (14) is connected with the ultrasonic probe (15) through a coupling sleeve (16).
3. The shaft assembly electron beam weld ultrasonic flaw detection device according to claim 2, wherein: the air pump (17) is arranged in the cylinder wall of the flaw detection cylindrical base (6), the air pump (17) is connected with the air tap (11) through an air flow passage (18) arranged in the flaw detection cylindrical base (6), and the air tap (11) is fixedly arranged through an air tap mounting plate (20) fixed on the bottom plate of the operation piston cavity (9).
4. An axle type composite electron beam weld ultrasonic flaw detection apparatus according to claim 3, wherein: the flaw detection cylindrical base (6) is abutted to the positioning seat (2) through countersunk screws (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366538.8A CN106996960B (en) | 2017-05-23 | 2017-05-23 | Shaft assembly electron beam welding seam ultrasonic flaw detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366538.8A CN106996960B (en) | 2017-05-23 | 2017-05-23 | Shaft assembly electron beam welding seam ultrasonic flaw detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996960A CN106996960A (en) | 2017-08-01 |
| CN106996960B true CN106996960B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366538.8A Active CN106996960B (en) | 2017-05-23 | 2017-05-23 | Shaft assembly electron beam welding seam ultrasonic flaw detection device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07244033A (en) * | 1994-03-07 | 1995-09-19 | Babcock Hitachi Kk | Ultrasonic flaw detection apparatus and method for stub welded part |
| JPH1183817A (en) * | 1997-09-03 | 1999-03-26 | Toshiba Corp | Pipe welding part inspection apparatus and ultrasonic flaw detection method |
| CN103969330A (en) * | 2014-04-28 | 2014-08-06 | 河海大学常州校区 | Ultrasonic flaw detection device for internal defect of pipeline |
| CN105424815A (en) * | 2015-12-28 | 2016-03-23 | 常州常瑞轨道交通科技有限公司 | Hollow axle ultrasonic flaw detector |
| CN205935025U (en) * | 2016-07-05 | 2017-02-08 | 天津卡斯特机械有限公司 | Excavator is with supplementary detecting device |
| CN106442724A (en) * | 2016-08-31 | 2017-02-22 | 成都铁安科技有限责任公司 | Ultrasonic flaw detection scanner for axle |
| CN206710389U (en) * | 2017-05-23 | 2017-12-05 | 赣州经纬科技股份有限公司 | A kind of axle class component electron beam weld reflectoscope |
-
2017
- 2017-05-23 CN CN201710366538.8A patent/CN106996960B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07244033A (en) * | 1994-03-07 | 1995-09-19 | Babcock Hitachi Kk | Ultrasonic flaw detection apparatus and method for stub welded part |
| JPH1183817A (en) * | 1997-09-03 | 1999-03-26 | Toshiba Corp | Pipe welding part inspection apparatus and ultrasonic flaw detection method |
| CN103969330A (en) * | 2014-04-28 | 2014-08-06 | 河海大学常州校区 | Ultrasonic flaw detection device for internal defect of pipeline |
| CN105424815A (en) * | 2015-12-28 | 2016-03-23 | 常州常瑞轨道交通科技有限公司 | Hollow axle ultrasonic flaw detector |
| CN205935025U (en) * | 2016-07-05 | 2017-02-08 | 天津卡斯特机械有限公司 | Excavator is with supplementary detecting device |
| CN106442724A (en) * | 2016-08-31 | 2017-02-22 | 成都铁安科技有限责任公司 | Ultrasonic flaw detection scanner for axle |
| CN206710389U (en) * | 2017-05-23 | 2017-12-05 | 赣州经纬科技股份有限公司 | A kind of axle class component electron beam weld reflectoscope |
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| CN106996960A (en) | 2017-08-01 |
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Effective date of registration: 20210202 Address after: 341000 No.3 and No.4, no.6, jinpanshan Road, high tech Zone, Zhanggong District, Ganzhou City, Jiangxi Province Applicant after: GANZHOU TAIDA AUTO PARTS Co.,Ltd. Address before: 341000 Zhanggong Economic Development Zone, Ganzhou City, Jiangxi Province Applicant before: GANZHOU JINGWEI SCIENCE & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231101 Address after: Floor 2, Workshop 4, No. 6 Jinpenshan Road, Shahe Town Industrial Park, Zhanggong District, Ganzhou City, Jiangxi Province, 341000 Applicant after: Ganzhou Hesheng Transmission System Co.,Ltd. Address before: 341000 No.3 and No.4, no.6, jinpanshan Road, high tech Zone, Zhanggong District, Ganzhou City, Jiangxi Province Applicant before: GANZHOU TAIDA AUTO PARTS Co.,Ltd. |
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