CN102879245A - Device for defect processing of ultrasonic flaw detection sample tube inner walls - Google Patents
Device for defect processing of ultrasonic flaw detection sample tube inner walls Download PDFInfo
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- CN102879245A CN102879245A CN2012103520583A CN201210352058A CN102879245A CN 102879245 A CN102879245 A CN 102879245A CN 2012103520583 A CN2012103520583 A CN 2012103520583A CN 201210352058 A CN201210352058 A CN 201210352058A CN 102879245 A CN102879245 A CN 102879245A
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Abstract
The invention relates to a device for the defect processing of ultrasonic flaw detection sample tube inner walls. The device comprises a bench drill, wherein a main shaft (1a) is arranged under the headstock (1) of the bench drill; the headstock is fixedly connected with one end of a transverse rod (3); a first belt transmission wheel (7) is arranged on the main shaft; the other end of the transverse rod is provided with a bearing seat (10'); a bearing (10) is arranged inside the bearing seat; the inner ring of the bearing is fixedly connected with a rotating shaft (9); a drill chuck (5) and a second belt transmission wheel (4) which are arranged on the rotating shaft are arranged under the bearing; a drill (50) is arranged on the drill chuck (5); and a belt (6) is arranged between the second belt transmission wheel and the first belt transmission wheel. When the device performs processing, only the drill chuck arranged at one end of the transverse rod and the drill are extended into sample tube; because the distance between the top end of the rotating shaft to the bottom end of the drill is only 80 mm, thus the phenomenon that the sample tube with the outer diameter of being less than 270 mm cannot be directly processed by existing technology is radically changed.
Description
Technical field
The present invention relates to the processing of UT (Ultrasonic Testing) sample pipe, especially, relate to the device for the processing of UT (Ultrasonic Testing) sample inside pipe wall defective.
Background technology
Ultrasonic inspection is to utilize ultrasound wave non-destructive ground to check a kind of technological means of material or mechanical part inherent vice or scar, being widely used at present manufacturing industry, iron and steel manufacturing industry, Ferrous Metallurgy industry, metal-processing industry, chemical industry etc. needs the field of defects detection and quality control, and what also be widely used in the fields such as Aero-Space, railway traffic, boilers and pressure vessel is using as a servant safety inspection and life appraisal.In order to guarantee that detection faces can better acoustic coupling, requirement according to defects detecting technology, before carrying out Ultrasonic Detection, answer the surfaces externally and internally of visual examination sample pipe, remove loosening oxide skin, burr, greasy dirt etc., to reduce as far as possible the signal errors of sample pipe in debug process.
At present in the manufacturing process of carrying out UT (Ultrasonic Testing) sample pipe, the project that a sample inside pipe wall defective processing is arranged, mainly be to be the flat-bottom hole of wall thickness 12.5% at the sample inside pipe wall apart from pipe end 150mm place working depth, for this technological requirement, because the bench drill top to the height between the drill bit bottom much larger than sample pipe diameter, therefore can't be stretched into sample pipe inside and process; In addition, owing to be subjected to the restriction of distance between drill bit point and the column, apart from the flat-bottom hole of pipe end greater than 150mm, present bench drill also can't reach for processing.
Existing technology manufacturing process comprises three kinds: the first manufacturing process is to visit the processing that realizes flat-bottom hole in the sample feeding pipe by EDM sampling machine, because after electric spark is carved and is hindered, the flat-bottom hole surface is crude, its smooth finish can not reach the requirement of defects detecting technology, need after the processing again to polish, have a strong impact on working (machining) efficiency, and produced metamorphic layer on the tube wall after the processing, affected the supersonic sounding result; The second manufacturing process is to finish by the mode that power drill installs down fixing rack additional, because the volume of power drill is larger, same processing object is restricted, can only process the above sample pipe of external diameter 270mm, for the sample pipe of external diameter below 270mm, because power drill can't probe in the pipe, therefore can't process; The third processing mode is, first the sample pipe cut into the part of several tiles, then carries out flat-bottom hole boring at bench drill and makes, and the sample section of jurisdiction of these tiles welded after boring is finished again.Although this mode has been avoided the crude situation in electrosparking rear surface, but because many cuttings and welding two procedures, therefore working (machining) efficiency is low, and the smoothness of cutting part is had a strong impact on after the cutting of sample pipe, the flatness of welding position does not meet technological requirement yet after welding, will certainly increase like this signal errors of sample pipe in debug process.
Summary of the invention
Technical matters to be solved by this invention is to be provided for the device of UT (Ultrasonic Testing) sample inside pipe wall defective processing, can overcome the defective that prior art exists, and can finish quickly and efficiently the processing of sample inside pipe wall defective item.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
Be used for the device of UT (Ultrasonic Testing) sample inside pipe wall defective processing, comprise bench drill, the headstock below of described bench drill is main shaft, it is characterized in that:
The described headstock is fixedly connected with an end of cross bar, the first belt pulley is installed on the described main shaft, the other end of described cross bar is equipped with bearing seat, in the described bearing seat bearing is installed, the inner ring of described bearing is connected with rotating shaft, the below of described bearing is the second belt pulley and the drill chuck that is installed in the rotating shaft, and drill bit is installed on the drill chuck, between described the second belt pulley and the first belt pulley belt is installed.
As optimal way, described cross bar is fixed on the headstock by clamping plate.
The rotating shaft top is 50mm～60mm to the height of drill bit bottom.
As preferred version, the rotating shaft top is 60mm to the height of drill chuck bottom.
The rotating shaft top is 80mm to the height of drill bit bottom.
Distance between described the first belt pulley and the second belt pulley is 100mm～300mm.
As preferably, the distance between described the first belt pulley and the second belt pulley is 200mm.
As preferably, described bearing is deep groove ball bearing.
Principle of the present invention: the headstock at existing bench drill sets firmly cross bar, and below the cross bar two ends, be provided with two belt pulleys, be wound with belt between two belt pulleys, wherein the first belt pulley is installed on the main shaft, the second belt pulley is installed in the below of the other end on the cross bar (bearing) by rotating shaft, and drill jig is coaxial the connection with the second belt pulley.
In this invention, cross bar is equivalent to a horizontal extension arm, by cross bar and bel-drivenn ingehious design, the work space of original drill bit processing is extended to the space that the certain level distance is arranged with main shaft from bench drill base, be not subjected to the impact of distance between drill bit and the column during operation, prolonged the processing distance, made the processing operation more flexible and convenient.More of paramount importancely among the present invention be, when the flaw detection sample inside pipe wall is processed operation, no longer need the parts such as bench drill head and the headstock are stretched in the sample pipe, the drill jig, the drill bit that only need to be arranged on cross bar one end stretch into wherein and get final product, because all parts overall height of the cross bar other end (being that the rotating shaft top is to the distance of drill bit bottom) only have 80mm, have so fundamentally changed the present situation that three kinds of technological means of prior art can't directly be processed the sample pipe of external diameter below 270mm.
The course of work of the present invention is:
During the rotation of motor-driven the first belt pulley, belt drives the second belt pulley rotates simultaneously, because drill jig is coaxial the connection with the second belt pulley, so drill bit rotates synchronously.Operation adds man-hour, and cross bar is stretched in the sample feeding pipe, just can realize that drill bit is to the processing of sample inside pipe wall flat-bottom hole.
In sum, compared with prior art, the invention has the advantages that:
1, by devices such as cross bar, belt gear, greatly reduce the height of the processing component that enters the sample inside pipe wall, this invention has solved prior art can't directly process external diameter at the sample pipe of the following specification of 270mm,
2, utilize apparatus of the present invention to process operation, avoided the crude situation in present spark processing rear surface, also solved the out-of-flatness after the rough and welding of cut place after the cutting of sample pipe.In process, also guaranteed the accuracy of the defective making data of processing sample pipe simultaneously,
3, can easily to enter minimum diameter of bore be that the sample pipe of 80mm carries out the operation of inner wall defect project in the present invention, greatly expanded the scope of processing object.
4, the present invention has overcome existing three kinds of processing mode deficiencies, is guaranteeing processing technology, guaranteeing debug signal accurately on the basis that the every workday can be processed 30 sample pipes, has greatly improved work efficiency.Statistical study is as follows:
A, utilize prior art the first processing mode, owing to will carry out processing and the polishing of surface smoothness, only can process 10 sample pipes a working day, and the sample technique of processing is undesirable, affects result of detection;
B, utilize the second processing mode, can only process the sample pipe of external diameter more than 270mm, can't process the sample pipe of external diameter below 270mm at all;
C, many cuttings and welding two procedures only can be processed 5 sample pipes a working day.
5, the present invention utilizes the cross bar design to prolong the work space of processing operation, and bench drill adds the distance affects that no longer is subjected to man-hour between drill bit and the column.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the synoptic diagram (not representing belt) that cross bar reaches the parts that are connected with cross bar among the present invention.
Fig. 3 is the position view of cross bar and belt among the present invention.
Fig. 4 utilizes the present invention to process the synoptic diagram of sample pipe.
Fig. 5 is for utilizing the present invention that the sample pipe is added the side schematic view in man-hour.
Among the figure: 1, the headstock; 1a, main shaft; 2, lifting handle; 3, cross bar; 4, the second belt pulley; 5, drill jig; 50, drill bit; 6, belt; 7, the first belt pulley; 8, column; 9, rotating shaft; 10, bearing; 10 ', bearing seat; 11, sample pipe; 12, V shape iron piece; 13, clamping plate; 14, motor; 15, base.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing:
To shown in Figure 3, be used for the device of UT (Ultrasonic Testing) sample inside pipe wall defective processing in conjunction with Fig. 1, comprise bench drill, the headstock 1 below of described bench drill is main shaft 1a, and the described headstock is fixedly connected with an end of cross bar 3.According to Fig. 3, as a kind of preferred fixed form, described cross bar 3 can be fixed on the headstock 1 by clamping plate 13.The first belt pulley 7 is installed on the described main shaft 1a, and this first belt pulley is positioned at the below of cross bar, and the first belt pulley rotated thereupon synchronously when main shaft rotated.The other end of described cross bar is equipped with bearing seat 10 ', bearing 10 is installed in the bearing seat, the inner ring of described bearing is connected with rotating shaft 9, the below of described bearing 10 is the second belt pulley 4 and the drill chuck 5 that is installed in the rotating shaft, drill jig is positioned at the below of the second belt pulley, the two rotates synchronously by rotating shaft 9, and drill bit 50 is installed on the drill chuck.As can be seen from Figure 3,6, two belt pulleys of belt are installed between the second belt pulley and the first belt pulley and realize interlock by belt.
The rotating shaft top is 50mm～60mm to the height of drill bit bottom.
The rotating shaft top is 60mm to the height of drill chuck bottom.
The rotating shaft top is 80mm to the height of drill bit bottom, that is to say, during the processing operation, all the parts overall height of the cross bar other end that stretch in the sample pipe only have 80mm.
Distance between described the first belt pulley and the second belt pulley is 100mm～300mm.
As preferred length, the distance between described the first belt pulley and the second belt pulley is 200mm.As preferably, described bearing 10 is deep groove ball bearing.
Can find out in conjunction with Fig. 4 and Fig. 5, when the flaw detection sample inside pipe wall is processed operation, no longer need the parts such as bench drill head and the headstock are stretched in the sample pipe, add man-hour, the sample pipe can be placed on the V shape iron piece 12, the drill jig, the drill bit that only need to be arranged on cross bar one end stretch into wherein and get final product, because all parts overall height of the cross bar other end are that the rotating shaft top only has 80mm to the distance of drill bit bottom, have so fundamentally changed the present situation that three kinds of technological means of prior art can't directly be processed the sample pipe of external diameter below 270mm.
The course of work of the present invention is, when motor 14 drove 7 rotation of the first belt pulley, belt drives the second belt pulley 4 rotate simultaneously, and owing to drill jig is coaxial the connection with the second belt pulley, so drill bit rotates synchronously.Operation adds man-hour, and cross bar is stretched in the sample feeding pipe, just can realize that drill bit is to the processing of sample inside pipe wall flat-bottom hole.
Design proposal of the present invention is not only applicable to the inner wall defect processing to UT (Ultrasonic Testing) sample pipe, can also be used for the processing to other workpiece, because the present invention utilizes the cross bar design to prolong the work space of processing operation, so bench drill adds the distance affects that no longer is subjected to man-hour between drill bit and the column.The present invention has overcome existing three kinds of processing mode deficiencies, is guaranteeing processing technology, guaranteeing debug signal accurately on the basis that the every workday can be processed 30 sample pipes, has greatly improved work efficiency.
Claims (8)
1. be used for the device of UT (Ultrasonic Testing) sample inside pipe wall defective processing, comprise bench drill, the headstock of described bench drill (1) below is main shaft (1a), it is characterized in that:
The described headstock is fixedly connected with an end of cross bar (3), the first belt pulley (7) is installed on the described main shaft (1a), the other end of described cross bar is equipped with bearing seat (10 '), bearing (10) is installed in the described bearing seat, the inner ring of described bearing is connected with rotating shaft (9), the below of described bearing (10) is the second belt pulley (4) and the drill chuck (5) that is installed in the rotating shaft, drill bit (50) is installed on the drill chuck, belt (6) is installed between described the second belt pulley and the first belt pulley.
2. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 1 is characterized in that:
Described cross bar (3) is fixed on the headstock by clamping plate (13).
3. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 1 is characterized in that:
The rotating shaft top is 50mm～60mm to the height of drill bit bottom.
4. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 3 is characterized in that:
The rotating shaft top is 60mm to the height of drill chuck bottom.
5. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 1 is characterized in that:
The rotating shaft top is 80mm to the height of drill bit bottom.
6. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 1 is characterized in that:
Distance between described the first belt pulley and the second belt pulley is 100mm～300mm.
7. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 6 is characterized in that:
Distance between described the first belt pulley and the second belt pulley is 200mm.
8. the device for UT (Ultrasonic Testing) sample inside pipe wall defective processing as claimed in claim 1 is characterized in that:
Described bearing (10) is deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103520583A CN102879245A (en) | 2012-09-19 | 2012-09-19 | Device for defect processing of ultrasonic flaw detection sample tube inner walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103520583A CN102879245A (en) | 2012-09-19 | 2012-09-19 | Device for defect processing of ultrasonic flaw detection sample tube inner walls |
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| Publication Number | Publication Date |
|---|---|
| CN102879245A true CN102879245A (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103520583A Pending CN102879245A (en) | 2012-09-19 | 2012-09-19 | Device for defect processing of ultrasonic flaw detection sample tube inner walls |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203636A (en) * | 2015-11-06 | 2015-12-30 | 无锡市三立轴承有限公司 | Detecting device for inner wall of bearing inner race |
| CN112113848A (en) * | 2020-09-08 | 2020-12-22 | 天津大学 | Device is applyed to submarine pipeline initial defect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200998784Y (en) * | 2007-02-06 | 2008-01-02 | 蔡敏 | Desk type deep hole drilling machine |
| CN200998782Y (en) * | 2007-02-07 | 2008-01-02 | 泉州市元信电子设备机械制造有限公司 | Cavity type work-piece inner wall drilling equipment |
| CN102632267A (en) * | 2012-04-09 | 2012-08-15 | 杭州双龙机械有限公司 | Numerical control drilling machine |
-
2012
- 2012-09-19 CN CN2012103520583A patent/CN102879245A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200998784Y (en) * | 2007-02-06 | 2008-01-02 | 蔡敏 | Desk type deep hole drilling machine |
| CN200998782Y (en) * | 2007-02-07 | 2008-01-02 | 泉州市元信电子设备机械制造有限公司 | Cavity type work-piece inner wall drilling equipment |
| CN102632267A (en) * | 2012-04-09 | 2012-08-15 | 杭州双龙机械有限公司 | Numerical control drilling machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203636A (en) * | 2015-11-06 | 2015-12-30 | 无锡市三立轴承有限公司 | Detecting device for inner wall of bearing inner race |
| CN112113848A (en) * | 2020-09-08 | 2020-12-22 | 天津大学 | Device is applyed to submarine pipeline initial defect |
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Application publication date: 20130116 |