CN205157468U - A device that is used for annular work piece girth seam exposure ray detection - Google Patents
A device that is used for annular work piece girth seam exposure ray detection Download PDFInfo
- Publication number
- CN205157468U CN205157468U CN201520838560.4U CN201520838560U CN205157468U CN 205157468 U CN205157468 U CN 205157468U CN 201520838560 U CN201520838560 U CN 201520838560U CN 205157468 U CN205157468 U CN 205157468U
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- China
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- ray
- frame
- girth seam
- annular workpieces
- placement station
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Abstract
The utility model discloses a device that is used for annular work piece girth seam exposure ray detection constitutes including the device frame, installs X ray transmission alignment device and work piece on the device frame and places the platform, and the constitution of device frame is mainly including fixing door type frame on the base frame, the vice lifting rack who installs on door type frame, drive lifting rack reciprocated through the guide rail motor drive mechanism, installing that the crossbeam is hung to holding on lifting rack and the prolonged downward bridge on holding string crossbeam is installed to the upper end, X ray transmission alignment device comprises X -ray tube and the infrared ray aligner that lies in the X -ray tube below, and the design of infrared ray aligner has is no less than 4 infrared emitter, wherein is no less than 3 and lies in the different direction of radius of the same horizontal plane of infrared emitter body, an infrared emitter body axis that lies in the perpendicular to horizontal plane, the platform design is placed to the work piece has the centre mark and is used for installing the work piece mark. The utility model has the advantages of it is high, efficient to detect the precision.
Description
Technical field
The utility model relates to workpiece weld seam detection technical field, is specifically related to adopt circumferential X-ray machine X to detect a kind of device used to annular workpieces girth seam.
Background technology
Substantially all welding technology can be used, the large pressurized vessel such as, used in chemical industry, the casing etc. used in aeromotor field in the production run of many annular workpieces.The security performance of relationship between quality in the serviceable life and use procedure of workpiece of weld seam, therefore, in order to ensure product quality, welding quality inspection to carry out one of strict project detected in annular workpieces quality testing.Weld seam is all generally adopt lossless detection method to detect.
Weld seam lossless detection method the most frequently used is at present gamma ray material testing, application more widely gamma ray material testing makes light reaching the film after the penetrating radiation ray utilizing X ray or gamma ray projector to send penetrates weld seam, makes defect image display in weld seam on radiography film after treatment.The method is mainly used in finding weld seam internal porosity, slag inclusion, crackle and the defect such as lack of penetration.At present, X-ray production apparatus for weld seam detection mainly contains directed X-ray production apparatus and circumferential X-ray production apparatus two kinds, to in annular workpieces weld seam detection process, adopt circumferential X-ray production apparatus once can complete the detection of whole piece circular weld, detection efficiency and Detection results detect higher than the directed X-ray production apparatus of employing all far away, therefore, adopting circumferential X-ray production apparatus to detect annular workpieces weld seam is the method that application is maximum at present.When adopting the method, need X-ray machine X to be positioned on the axis of annular workpieces, X-ray machine X strictly moves the optimum position making X-ray machine X focus be positioned at detection along axis.In this process, be difficult to ensure that X-ray machine X is accurately positioned at optimum position workpiece axis being also finally in and detecting and need by means of naked-eye observation and common measurement.Due to the appearance of above-mentioned situation, cause the distance of each point in X-ray machine X focus to weld seam inconsistent, the photographic density that final inspection obtains is also just inconsistent.Even due to X-ray machine X focus deviation detection optimum position, cause some Dangerous defects to detect, cause security incident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, designs a kind of device detected for annular workpieces girth seam exposed radiation, to improve precision and the reliability of weld seam detection, improves detection efficiency simultaneously and reduces weld seam detection cost.
The device detected for annular workpieces girth seam exposed radiation that the utility model provides, comprise device frame, be arranged on X ray on device frame launch alignment device and and workpiece placement station, the formation of described device frame comprises, be fixed on the door type frame on pony sill, the elevator platform be installed on by guideway on door type frame, the motor transmission mechanism driving elevator platform to move up and down, be arranged on holding on elevator platform and hang crossbeam and upper end and be arranged on the lower boom frame holding and hang on crossbeam, pony sill is designed with and makes device frame can the travel mechanism of movement on the ground, described X ray is launched alignment device and is made up of X-ray tube and the infrared ray aligner be positioned at below X-ray tube, the bottom tube head of X-ray tube extend in infrared ray aligner central bore, the infrared transmitter making to be positioned at X ray launch window on the tube head of bottom and alignment pieces girth seam is fixedly installed togather with being in same position, described infrared ray aligner is designed with the infrared transmitter being no less than 4, wherein be no less than 3 and be positioned at the different radial direction of infrared transmitter body same level, for alignment pieces girth seam, one is positioned on the infrared transmitter body axis perpendicular to surface level, for aiming at the workpiece placement station center being positioned at below, described workpiece placement station is designed with centre mark and the trade union college adjustment for adjusting workpiece centre axis and workpiece placement station center superposition marks.
In technique scheme of the present utility model, described device frame is also designed with the handle mechanism of drive chassis lifting, manually adjust for the position of the infrared transmitter of alignment pieces girth seam in infrared ray aligner, to guarantee the X ray sent from the X ray launch window the tube head of X-ray tube bottom, its focus point is positioned on workpiece girth seam.For the ease of adjusting, preferably on the door type frame of device frame and on elevator platform, be designed with upper and lower displacement mark.
In technique scheme of the present utility model, described lower boom frame will have enough length, makes to be installed on the infrared transmitter being positioned at surface level in the infrared ray aligner of its lower end and arrives position while welding to be detected.Described lower boom frame can be designed to boom frame under " L " type structure, is arranged on to hold to hang on crossbeam, to adapt to the annular workpieces of different-diameter adjustable installing position.
In technique scheme of the present utility model, design 5 infrared transmitter paid the utmost attention to by described infrared ray aligner, wherein 4 are positioned on 4 radial directions of infrared transmitter body same level vertical two diameters mutually, namely be positioned at perpendicular on orthogonal two diameter of infrared transmitter axis same plane 4 radial directions, one is positioned on infrared ray aligner body axis, is namely positioned on the axis perpendicular to the infrared ray aligner of surface level.
In technique scheme of the present utility model, pony sill is also designed with and makes device frame can the mechanism of movement on the ground, to ensure the whole system movement arbitrarily on surface level direction except workpiece placement station, convenient adjustment ray tube position is just on workpiece axis.The mechanism of device frame movement on the ground can be made, specifically can adopt idler wheel mechanism, 4 idler wheel mechanisms are arranged on pony sill.Remain unchanged after adjusting to the right place to make ray tube position, the pony sill of device frame is preferably designed with travel mechanism with the use of the mechanism that is locked.
In technique scheme of the present utility model, in order to make the center of workpiece placement station obviously outstanding, the centre mark of workpiece placement station can be designed to " ten " phenotypic marker.Workpiece placement station structure can be considered to be designed to plum-type structure, pays the utmost attention to and is designed to " ten " type structure, uses material amount, reduce the weight of workpiece placement station with what reduce workpiece placement station; The workpiece placement station of plum-type structure, best each petal is radially provided with scale with a scale, so that adjustment workpiece centre axis and workpiece placement station center superposition.
In technique scheme of the present utility model, described workpiece placement station is preferably also designed with the micro-adjusting mechanism of adjustment mounting table plane levelness, be equipped with the levelness of surveyor's staff adjustment mounting table plane, to ensure that the axes normal of the annular workpieces be arranged in workpiece placement station is in ground.
The device detected for annular workpieces girth seam exposed radiation that the utility model provides, compared with prior art has following very outstanding Advantageous Effects:
1, the device adopting the utility model to provide carries out exposed radiation detection to annular workpieces girth seam, the position of workpiece axis can be found simple and direct, rapidly, the focus of exposed radiation is made to be positioned at the optimum position of weld seam to be detected, substantially increase detection efficiency, it also avoid the detection again caused because detecting failure, reducing the cost of detection.
2, the utility model provide for annular workpieces girth seam exposed radiation detect device, be specially adapted to the detection of aviation casing EBW (electron beam welding) welding seam.Such piece test accuracy requirement is high, before not adopting device described in the utility model, the circumferential X-ray check of such weld seam cannot ensure the reliability of testing result, after adopting device described in the utility model, by multiple comparison test, the accuracy of detection indicating device described in the utility model reaches requirement completely.
Accompanying drawing explanation
Fig. 1 is the perspective view of annular workpieces described in the utility model circumference X-ray machine detection fixture.
Fig. 2 be annular workpieces described in the utility model circumference X-ray machine detection fixture face structural representation.
Fig. 3-1 is the plan structure schematic diagram of workpiece placement station.
Fig. 3-2 is workpiece placement station centre structure for amplifying schematic diagram.
Fig. 4 is X-ray tube and infrared ray aligner assembly structure schematic diagram.
Fig. 5 is the structural representation of infrared ray aligner.
Fig. 6 is X-ray tube structural representation.
In above-mentioned accompanying drawing, the object of each shown by reference numeral mark is respectively: 1-workpiece placement station; 2-infrared ray aligner; 3-lower boom frame; 4-elevator platform; 5-door frame; 6-X-ray tube; 7-infrared transmitter; 8-X ray launch window; 9-motor transmission mechanism; 10-travel mechanism.
Embodiment
By the following examples the structure of device that detects for annular workpieces girth seam exposed radiation described in the utility model and use are further illustrated.
The device detected for annular workpieces girth seam exposed radiation described in the present embodiment, its structure as shown in Figures 1 to 6, form and comprise device frame, be arranged on X ray on device frame launch alignment device and and workpiece placement station 1, the formation of described device frame comprises, be fixed on the door type frame 5 on pony sill, the elevator platform 4 on door type frame is installed on by guideway, drive the motor transmission mechanism 9 that elevator platform moves up and down, elevator platform is driven to move up and down the handle mechanism of fine setting, be arranged on and elevator platform holds extension crossbeam, upper end is arranged on boom frame 3 under " L " type structure of holding and hanging on crossbeam, be arranged on pony sill with 4 of the mechanism that is locked universal wheel travel mechanisms 10, door type frame and elevator platform are designed with upper and lower displacement mark, hold extension crossbeam can install movably on elevator platform by horizontal axis, to adapt to the annular construction member of different-diameter, described X ray is launched alignment device and is made up of X-ray tube 6 and the infrared ray aligner 2 be positioned at below X-ray tube, the bottom tube head of X-ray tube extend in infrared ray aligner central bore, make the X ray launch window 8 be positioned on the tube head of bottom be in same position with the infrared transmitter 7 of alignment pieces girth seam, by screw thread pair, both are fixedly installed togather, described infrared ray aligner is designed with the infrared transmitter 7 of 5, wherein 4 are positioned on 4 radial directions of infrared transmitter body same level vertical two diameters mutually, for alignment pieces girth seam, one is positioned on the infrared transmitter body axis perpendicular to surface level, for aiming at the workpiece placement station center being positioned at below, described workpiece placement station is " ten " plum-type structure, be designed with centre mark and the trade union college adjustment for adjusting workpiece centre axis and workpiece placement station center superposition marks, centre mark is " ten " phenotypic marker, trade union college adjustment for adjusting workpiece centre axis and workpiece placement station center superposition marks, for being positioned at each petal scale radially with a scale, the micro-adjusting mechanism of adjustment mounting table plane levelness is provided with in 4 petal ends of " ten " blossom type workpiece placement station, be equipped with the levelness of surveyor's staff adjustment mounting table plane, to ensure that the axes normal of the annular workpieces be arranged in workpiece placement station is in ground.
The device for the detection of annular workpieces girth seam exposed radiation of the present utility model is adopted to carry out exposed radiation detection to aero-engine casing girth seam, during place work piece, first adjustment is positioned at the micromatic setting of workpiece placement station 4 petal ends, the levelness of hydrous water leveling ruler adjustment mounting table plane, guarantees the complete level of table top.Then adjust the position of workpiece on table top, make workpiece bottom identical with four steel ruler contact point place scale values, at this moment just can ensure that the mounting table center of circle is positioned on workpiece axis.
Infrared ray aligner 2 is fixed on X-ray tube 6 by screw thread pair, switches on power.4 universal wheel travel mechanism adjustment X ray on device frame base are utilized to launch the position of alignment device, the red luminous point that infrared transmitter perpendicular to surface level is launched is known with circle centre position in workpiece placement station " ten " sign and is just overlapped, and at this moment X-ray tube is just just on workpiece axis.
Operate the motor transmission mechanism and handle mechanism that are arranged on device frame, make the X ray being arranged on lower boom frame 3 bottom launch alignment device annularly to move down workpiece axis, the shut-down operation when four red luminous points that the infrared transmitter 7 that on infrared ray aligner 2, four are in same level sends all drop on annular workpieces weld seam.At this moment, the radiation focus point position that X-ray tube 6 sends just coexists with annular workpieces weld seam a surface level and be positioned at the home position of weld seam plane, and record the scale reading on riser guide corresponding to this position, reading is designated as Y (mm).For general weld seam, the focal position of X-ray tube 6 meets testing requirement, need not adjust again and can carry out testing.
For the weld seam of some special angle, also need the focal position adjusting X-ray tube 6 to depart from weld seam plane certain distance in vertical direction, this distance is designated as Z (mm).Now by joystick adjustment X-ray tube rise or decline, rise to scale value be Y+Z (mm) or drop to Y-Z (mm) time, namely reach the side-play amount of regulation, can testing be started.
The device for the detection of annular workpieces girth seam exposed radiation of the present utility model is adopted to carry out exposed radiation detection to aero-engine casing girth seam, verified by many experiments, for the weld defect adopting the pick-up unit of prior art not detect, after employing device described in the utility model, be obtained for and effectively detect.This greatly improves the safety and reliability of aero-engine casing.Also significantly work efficiency is improved while greatly improving detecting reliability.In application process, substantially do not exist and detect unsuccessfully, greatly reduce production cost yet.
Claims (10)
1. the device detected for annular workpieces girth seam exposed radiation, it is characterized in that, comprise device frame, the X ray be arranged on device frame launches alignment device and workpiece placement station (1), the formation of described device frame comprises, be fixed on the door type frame (5) on pony sill, the elevator platform (4) on door type frame is installed on by guideway, drive the motor transmission mechanism (9) that elevator platform moves up and down, be arranged on holding on elevator platform to hang crossbeam and upper end and be arranged on the lower boom frame (3) of holding and hanging on crossbeam, pony sill is designed with and makes device frame can the travel mechanism (10) of movement on the ground, described X ray is launched alignment device and is made up of X-ray tube (6) and the infrared ray aligner (2) be positioned at below X-ray tube, the bottom tube head of X-ray tube extend in infrared ray aligner central bore, make to be positioned at the X ray launch window (8) on the tube head of bottom to be fixedly installed togather with being in same position with the infrared transmitter of alignment pieces girth seam, described infrared ray aligner is designed with the infrared transmitter (7) being no less than 4, wherein be no less than 3 and be positioned at the different radial direction of infrared transmitter body same level, for alignment pieces girth seam, one is positioned on the infrared transmitter body axis perpendicular to surface level, for aiming at the workpiece placement station center being positioned at below, described workpiece placement station is designed with centre mark and the trade union college adjustment for adjusting workpiece centre axis and workpiece placement station center superposition marks.
2. the device detected for annular workpieces girth seam exposed radiation according to claim 1, is characterized in that, described device erection is in respect of the handle mechanism driving elevator platform to move up and down.
3. the device detected for annular workpieces girth seam exposed radiation according to claim 2, is characterized in that, is designed with lifting displacement mark on the door type frame of described device frame and on elevator platform.
4. the device detected for annular workpieces girth seam exposed radiation according to claim 1, is characterized in that, the pony sill of described device frame is designed with travel mechanism with the use of the mechanism that is locked.
5. the device detected for annular workpieces girth seam exposed radiation according to claim 1, it is characterized in that, described travel mechanism is roller travel mechanism.
6. the device detected for annular workpieces girth seam exposed radiation according to claim 1, it is characterized in that, described lower boom frame is boom frame under " L " type structure, is arranged on to hold to hang on crossbeam adjustable installing position.
7. according to the device detected for annular workpieces girth seam exposed radiation one of claim 1 to 6 Suo Shu, it is characterized in that, described infrared ray aligner is designed with 5 infrared transmitter, wherein 4 are positioned on 4 radial directions of infrared transmitter body same level vertical two diameters mutually, and one is positioned on infrared ray aligner body axis.
8. according to the device detected for annular workpieces girth seam exposed radiation one of claim 1 to 6 Suo Shu, it is characterized in that, the described centre mark of workpiece placement station is " ten " mark.
9. the device detected for annular workpieces girth seam exposed radiation according to claim 8, it is characterized in that, described workpiece placement station is " ten " type structure, marks for the trade union college adjustment adjusting workpiece centre axis and workpiece placement station center superposition, is scale with a scale.
10. the device detected for annular workpieces girth seam exposed radiation according to claim 8, is characterized in that, workpiece placement station is designed with the micro-adjusting mechanism of adjustment mounting table plane levelness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838560.4U CN205157468U (en) | 2015-10-26 | 2015-10-26 | A device that is used for annular work piece girth seam exposure ray detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838560.4U CN205157468U (en) | 2015-10-26 | 2015-10-26 | A device that is used for annular work piece girth seam exposure ray detection |
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| Publication Number | Publication Date |
|---|---|
| CN205157468U true CN205157468U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520838560.4U Expired - Fee Related CN205157468U (en) | 2015-10-26 | 2015-10-26 | A device that is used for annular work piece girth seam exposure ray detection |
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| Country | Link |
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| CN (1) | CN205157468U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301019A (en) * | 2015-10-26 | 2016-02-03 | 成都发动机（集团）有限公司 | Device for exposed radiographic testing of circumferential weld joint of annular workpiece |
| CN107309579A (en) * | 2017-07-05 | 2017-11-03 | 肖小英 | A kind of automotive hub positioning grab bucket |
| CN108802068A (en) * | 2017-05-04 | 2018-11-13 | 贵港市瑞成科技有限公司 | X-ray production apparatus auxiliary adjusting device |
-
2015
- 2015-10-26 CN CN201520838560.4U patent/CN205157468U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301019A (en) * | 2015-10-26 | 2016-02-03 | 成都发动机（集团）有限公司 | Device for exposed radiographic testing of circumferential weld joint of annular workpiece |
| CN105301019B (en) * | 2015-10-26 | 2018-08-28 | 成都发动机（集团）有限公司 | A kind of device for the detection of annular workpieces girth seam exposed radiation |
| CN108802068A (en) * | 2017-05-04 | 2018-11-13 | 贵港市瑞成科技有限公司 | X-ray production apparatus auxiliary adjusting device |
| CN107309579A (en) * | 2017-07-05 | 2017-11-03 | 肖小英 | A kind of automotive hub positioning grab bucket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160413 Termination date: 20191026 |