CN209764615U - Dissimilar steel welding bending test device - Google Patents
Dissimilar steel welding bending test device Download PDFInfo
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- CN209764615U CN209764615U CN201920356680.9U CN201920356680U CN209764615U CN 209764615 U CN209764615 U CN 209764615U CN 201920356680 U CN201920356680 U CN 201920356680U CN 209764615 U CN209764615 U CN 209764615U
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- bending test
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- pressure roller
- steel welding
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Abstract
The utility model relates to a metal material bending test device especially discloses a xenogenesis steel welding bending test device, including the frame, be equipped with a radical axis in the frame, the both ends of axle are equipped with a revolving stage respectively, are equipped with a compression roller between two revolving stages, are equipped with a dynamic pressure roller at the lateral part of compression roller surely, and the place ahead and the lateral part of compression roller surely are equipped with a hydraulic tong and No. two hydraulic tong respectively. The utility model discloses arrange the sample in between two running rollers to hug closely the welding seam center on the compression roller, then through the higher one side of earlier fixed sample intensity, the lower one side of crooked sample intensity again, the lower one side of fixed sample intensity afterwards, the higher one side of crooked sample intensity again, thereby guarantee the sample at whole bending test in-process, the welding seam center can be located the biggest tensile face position all the time, and then guarantee the accuracy of bending test result, reach the purpose of effectively detecting xenogenesis steel welded joint welding seam defect and welding seam plastic deformation ability.
Description
Technical Field
The utility model belongs to the technical field of metal material bending test technique and specifically relates to a xenogenesis steel welding bending test device is related to.
Background
The metal material bending test is a technological performance test, and is characterized by that it adopts a bending core with defined size, does not change the bending direction, and bends the sample to a defined angle so as to test the capability of metal bearing plastic deformation and display its metallurgical or welding defect. The dissimilar steel welding bending test is an effective means for detecting the defects of dissimilar steel welding joints and the plastic deformation capacity of welding seams, and is widely applied to chemical containers, nuclear power process evaluation and product detection.
At present, xenogenesis steel welding sample bending test adopts a roller type bending apparatus usually, but because xenogenesis steel welding seam both sides parent metal material is different, intensity mismatch, when using roller type bending apparatus to xenogenesis steel welded joint to carry out bending test, the welding seam center can deviate the biggest tensile face position, the degree of deviation is relevant with welding seam both sides material intensity difference, when intensity is close, the welding seam is deviated less, when intensity is different greatly, the welding seam is deviated great, consequently, adopt current roller type bending apparatus to carry out the sample result that bending test obtained to xenogenesis steel welded joint is inaccurate usually, can not reach the purpose of effectively detecting to the welding seam, therefore, need to seek a safe and reliable now, and when carrying out bending test, can effectively guarantee the welding seam center and be located the bending test device of biggest tensile face position.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a xenogenesis steel welding bending test device that uses safe and reliable and can effectively guarantee that the welding seam center is located the biggest tension face position is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a xenogenesis steel welding bending test device, includes the frame of compriseing base, roof and left and right backup pad a root axis has set firmly in the frame between base and roof, the both ends of axle are equipped with one respectively by power device drive and can be around pivoting's revolving stage through the bearing, epaxial the setting roller that has set firmly between two revolving stages the lateral part of setting roller set firmly between two revolving stages one with setting roller parallel arrangement's dynamic pressure roller, have between setting roller and the dynamic pressure roller and supply to place and the horizontal clearance that the roll extrusion sample was used, be equipped with a sample fixing device who is used for the higher one side of fixed sample intensity and the lower one side of intensity respectively in plane the place ahead and the lateral part that the axis of setting roller and dynamic pressure roller by mutual parallel arrangement constitutes.
Further, the frame is rectangular in shape.
Furthermore, the rotary table is a circular rotary table, and the circle center of the rotary table is positioned on the axis of the shaft and the axis of the fixed pressure roller.
Further, the rotary table is connected with a motor through a bearing fixedly connected with the rotary table so as to drive the rotary table to rotate around the shaft.
Furthermore, the sample fixing devices for fixing the side with higher strength and the side with lower strength are respectively a first hydraulic clamp and a second hydraulic clamp which are fixedly arranged on the base, and the first hydraulic clamp and the second hydraulic clamp are both connected with the hydraulic device.
The utility model has the advantages that:
The utility model discloses arrange the sample in between two running rollers, and hug closely the welding seam center on the compression roller, then through the higher one side of earlier fixed sample intensity, the lower one side of crooked sample intensity again, the lower one side of fixed sample intensity afterwards, the higher one side of crooked sample intensity again, thereby guarantee that the sample is in whole bending test in-process, the welding seam center can be located the biggest tensile face position all the time, and then guarantee the accuracy of bending test result, reach the purpose of effectively detecting xenogenesis steel welded joint welding seam defect and welding seam plastic deformation ability, be worth extensively promoting and using very much.
Drawings
FIG. 1 is a schematic structural view of a dissimilar steel welding bending test device of the present invention;
FIG. 2 is a rear view of the dissimilar steel welding bending test device of the present invention;
FIG. 3 is a plan view of the dissimilar steel welding bending test device of the present invention;
Labeled as: 1. a turntable; 3. a sample; 4. a second hydraulic tong; 5. a first hydraulic tong; 6. a movable pressure roller; 7. a compression roller is fixed; 8. a base; 9. a top plate; 10. a right support plate; 11. and a left support plate.
Detailed Description
the present invention will be further explained with reference to the drawings and examples.
as shown in fig. 1-3, the bending test device for dissimilar steel welding of the present invention comprises a rectangular frame consisting of a base 8, a top plate 9, a left support 11 and a right support 10, a shaft is fixedly arranged between the base 8 and the top plate 9 in the frame, two ends of the shaft are respectively provided with a circular turntable 1 driven by a power device and capable of rotating around the shaft through a bearing, the center of the turntable 1 is located on the axis of the shaft, a fixed pressure roller 7 is fixedly arranged on the shaft between the two turntables 1, a dynamic pressure roller 6 arranged in parallel with the fixed pressure roller 7 is further fixedly arranged on the side portion of the fixed pressure roller 7 between the two turntables 1, a transverse gap for placing and rolling the sample 3 is provided between the fixed pressure roller 7 and the dynamic pressure roller 6, a sample fixing device for fixing the side with higher strength and the side with lower strength of the sample 3 is respectively arranged on the front and side portions of a plane consisting of the axes of the fixed pressure roller 7 and the dynamic pressure roller 6 arranged in parallel with each other, the sample fixing device for fixing the side with higher strength and the side with lower strength is respectively a first hydraulic clamp 5 and a second hydraulic clamp 4 which are fixedly arranged on a base 8, and the first hydraulic clamp 5 and the second hydraulic clamp 4 are both connected with a hydraulic device so as to provide power for the first hydraulic clamp 5 and the second hydraulic clamp 4.
the power device is a motor (not shown in the figure), and the rotary table 1 is connected with the motor through a bearing fixedly connected with the rotary table so as to drive the rotary table 1 to rotate around the shaft.
Adopt the utility model discloses bending apparatus carries out bending test's process to xenogenesis steel welded joint sample as follows:
Before the test, the position of a welding seam of a sample and the strength of parent metal on two sides of the welding seam are determined, then the sample is placed in a transverse gap between a fixed pressure roller and a dynamic pressure roller, the end part of the side with higher strength of the sample is fixed by a first hydraulic clamp positioned in front of a plane formed by the axes of the fixed pressure roller and the dynamic pressure roller, the center of the welding seam is positioned on the central connecting line of the two rollers, and the center of the welding seam is attached to the fixed pressure roller, so that the center of the welding seam can be always positioned at the maximum tension surface position in the subsequent bending process of the sample, the accuracy of the bending test result is ensured, then two rotary tables arranged at two ends of the shaft are driven to rotate by a motor, the fixed pressure roller is kept stationary, the dynamic pressure roller rotates along with the axes of the shaft and the fixed pressure roller, and when the dynamic pressure roller gradually rotates to the second hydraulic clamp positioned at the side part of the plane, the side, when the side with lower strength of the sample is bent to a half of the designed preset angle, the dynamic pressure roller is stopped rotating immediately, then the end part of the side with lower strength of the sample is fixed by a second hydraulic clamp, and the side is released and exits from the first hydraulic clamp, at the moment, the center of the welding line is still positioned at the maximum tension surface position on the central connecting line of the two rollers, then the dynamic pressure roller is driven by a motor to rotate in the opposite direction, the side with higher strength of the sample is also stressed and bent under the rolling action of the dynamic pressure roller until the side with higher strength of the sample is bent to the designed preset angle, the test is completed, and at the moment, the center of the welding line is also positioned at the maximum tension surface position on the central.
The utility model discloses arrange the sample in between two running rollers to hug closely the welding seam center on the compression roller, then through the higher one side of earlier fixed sample intensity, the lower one side of crooked sample intensity again, the lower one side of fixed sample intensity afterwards, the higher one side of crooked sample intensity again, thereby guarantee that the sample is in whole bending test in-process, the welding seam center can be located the biggest tensile face position all the time, and then guarantee the accuracy of bending test result, reach the purpose of effectively detecting xenogenesis steel welded joint welding seam defect and welding seam plastic deformation ability, consequently, the utility model discloses it extensively promotes and uses to be worth very much.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a xenogenesis steel welding bending test device, its characterized in that includes the frame of compriseing base (8), roof (9) and left and right backup pad (11, 10) a root axis has set firmly in the frame between base (8) and roof (9), the both ends of axle are equipped with one respectively by power device drive and pivoting's revolving stage (1) through the bearing, epaxial set firmly one between two revolving stages (1) press roller (7) the lateral part of press roller (7) has set firmly one and press roller (7) parallel arrangement's dynamic pressure roller (6) between two revolving stages (1), have between press roller (7) and dynamic pressure roller (6) and supply to place and the horizontal clearance that roll extrusion sample (3) were used, the plane place ahead and the lateral part that constitute by the axis of press roller (7) and dynamic pressure roller (6) of parallel arrangement each other are equipped with one respectively and are used for the higher one side of fixed sample (3) intensity and the lower one side of intensity test And (4) a sample fixing device.
2. The dissimilar steel welding bending test apparatus according to claim 1, wherein the frame has a rectangular shape.
3. The dissimilar steel welding bending test device according to claim 1, wherein the turntable (1) is a circular turntable, and the center of the turntable (1) is located on the axis of the shaft and the constant pressure roller (7).
4. A dissimilar steel welding bending test device according to claim 3, wherein the rotary table (1) is connected with a motor through a bearing fixedly connected with the rotary table so as to drive the rotary table (1) to rotate around the shaft.
5. The dissimilar steel welding bending test device according to claim 1, wherein the sample fixing devices for fixing the side with higher strength and the side with lower strength of the sample (3) are a first hydraulic clamp (5) and a second hydraulic clamp (4) which are fixedly arranged on a base (8), and the first hydraulic clamp and the second hydraulic clamp (5, 4) are both connected with a hydraulic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356680.9U CN209764615U (en) | 2019-03-20 | 2019-03-20 | Dissimilar steel welding bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356680.9U CN209764615U (en) | 2019-03-20 | 2019-03-20 | Dissimilar steel welding bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209764615U true CN209764615U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920356680.9U Active CN209764615U (en) | 2019-03-20 | 2019-03-20 | Dissimilar steel welding bending test device |
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| Country | Link |
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| CN (1) | CN209764615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218779A (en) * | 2021-04-02 | 2021-08-06 | 张家港市海宇金属材料测试有限公司 | Bending test method for dissimilar steel welding |
-
2019
- 2019-03-20 CN CN201920356680.9U patent/CN209764615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218779A (en) * | 2021-04-02 | 2021-08-06 | 张家港市海宇金属材料测试有限公司 | Bending test method for dissimilar steel welding |
| CN113218779B (en) * | 2021-04-02 | 2023-03-03 | 张家港市海宇金属材料测试有限公司 | Bending test method for dissimilar steel welding |
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