CN218331360U - Intersection line welding seam flaw detection scanning device for inserting of reducing pipes - Google Patents
Intersection line welding seam flaw detection scanning device for inserting of reducing pipes Download PDFInfo
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- CN218331360U CN218331360U CN202222072510.2U CN202222072510U CN218331360U CN 218331360 U CN218331360 U CN 218331360U CN 202222072510 U CN202222072510 U CN 202222072510U CN 218331360 U CN218331360 U CN 218331360U
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Abstract
A fault detection scanning device for intersecting line welding seams of different-diameter pipes in plug-in connection belongs to the field of ultrasonic nondestructive testing and solves the problem of fault detection scanning of three-dimensional irregular welding seams. Comprises a walking trolley provided with magnetic wheels and a scanning adjusting mechanism. One end of each horizontal circular sliding rail in the two horizontal linear bearings on the linear bearing block of the scanning adjusting mechanism is arranged on the walking trolley, and the other end of each horizontal circular sliding rail is connected with the horizontal circular sliding rail fixing beam. And a screw rod and nut adjusting device is arranged between the linear bearing seat and the horizontal smooth rail fixing beam. The upper ends of the vertical round slide rails in the two vertical linear bearings on the linear bearing seats are connected with the upper cross beam of the vertical round slide rail, and the lower ends of the vertical round slide rails are connected with the lower cross beam of the vertical round slide rail; and a tension spring is arranged between the upper cross beam of the vertical smooth rail and the linear bearing seat. The swinging probe wedge block loading arm with the ultrasonic probe is arranged on the lower cross beam of the vertical circular slide rail. The method has the characteristics of flexible operation, convenient and accurate adjustment and wide adaptability, and is applied to nondestructive inspection scanning of the intersecting line welding seam of the inserted reducing pipe.
Description
Technical Field
The utility model belongs to the technical field of the supersound nondestructive test, mainly be the intersection line welding seam that relates to the reducing pipe grafting is detected a flaw and is swept and look into device.
Background
The splicing of the reducing pipes is a common connection mode in the field of conveying pipelines, the pipes with different pipe diameters are welded together, and welding seams are distributed along intersecting lines between the connecting circular pipes to form a three-dimensional irregular three-dimensional welding seam. The flaw detection scanning of the welding seam brings certain difficulty to the detection operation due to the irregular characteristic. The existing flaw detection scanning is generally manual operation, and a probe is held by hand to scan along the direction of a welding seam. The problem with this type of operation is that it requires a scan around the circumference of the weld of the tube, which is labor intensive. The speed of displacement is uneven in manual handheld operation, the precision of the displacement is not accurate enough, and the phenomena of large error of scanning results and missing detection are easily caused. In addition, the efficiency of manual handheld work cannot be improved.
Disclosure of Invention
The utility model aims at providing a device is examined to intersection line welding seam flaw detection of reducing pipe grafting, should scan the device and can at the uniform velocity, accurate carry out flaw detection along the intersection line welding seam and scan the inspection, the operating efficiency is high.
The utility model discloses a realize through following technical scheme, including walking dolly and scanning guiding mechanism, characterized by: the walking trolley is a walking trolley provided with magnetic wheels;
the scanning adjusting mechanism is arranged on the traveling trolley and is provided with a linear bearing seat, and two linear bearings are respectively arranged in the horizontal direction and the vertical direction of the linear bearing seat; one end of each horizontal round sliding rail in the two linear bearings in the horizontal direction is arranged on the walking trolley, and the other end of each horizontal round sliding rail is connected with the horizontal round rail fixing beam; a nut is arranged on the linear bearing seat and matched with an adjusting screw rod arranged on the horizontal smooth rail fixing beam, and an adjusting hand wheel is arranged at the end part of the adjusting screw rod;
the upper ends of the vertical round slide rails in the two linear bearings in the vertical direction of the linear bearing seats are connected with the upper cross beam of the vertical round slide rail, and the lower ends of the vertical round slide rails are connected with the lower cross beam of the vertical round slide rail; a loading tension spring is arranged between the upper beam of the vertical smooth rail and the linear bearing seat;
the swingable probe wedge block loading arm is mounted on the lower cross beam of the vertical circular slide rail, and the probe wedge block provided with the ultrasonic probe is mounted on the swingable probe wedge block loading arm.
The swingable probe wedge block loading arm is positioned in two loading arm clamping plates on the lower beam of the vertical smooth rail and is positioned by three limiting bearings arranged on the loading arm clamping plates; two limit bearings are positioned at the outer edge of the swingable probe wedge block loading arm, and one limit bearing is positioned at the inner edge of the swingable probe wedge block loading arm and arranged in an isosceles triangle.
And a loading tension spring is arranged between the upper cross beam of the vertical smooth rail and the linear bearing seat, and the upper end of the loading tension spring is connected with the upper cross beam of the vertical smooth rail through a tension spring adjusting bolt.
Seat ears for mounting the annular linking devices are arranged at the two ends of the walking trolley; the scanning encoder of the scanning probe is arranged in the walking trolley.
When the flaw detection scanning device works, the traveling trolley of the flaw detection scanning device is adsorbed at a proper height of the small-diameter pipe through the magnetic wheels. The adjustment hand wheel on the adjustment screw rod is rotated to enable the linear bearing seat to move back and forth, so that the swing type probe wedge block below the linear bearing in the vertical direction is driven to move back and forth, and radial displacement adjustment is carried out relative to the intersecting line welding seam. And adjusting the tension spring adjusting bolt to change the pressure of the probe wedge block on the workpiece. And adjusting the angle of the swinging type probe wedge block loading arm to enable the ultrasonic probe to be placed at the optimal scanning position. And the travelling trolley is moved along the circumference of the small-diameter pipe, and the scanning probe can perform flaw detection scanning along the intersecting line welding seam. In the scanning process, the scanning wedge always keeps the working pressure of the probe wedge on the workpiece under the action of the loading tension spring, and the scanning wedge is lifted along with the cambered surface of the large-diameter pipe.
The beneficial effects of the utility model are that, because the intersecting line welding seam is three-dimensional anomalous three-dimensional welding seam, scan to look into and bring certain difficulty for detecting a flaw. The flaw detection scanning device has the functions of adjusting distance, height, pressure, angle and the like, and can be completely suitable for flaw detection scanning operation of intersecting line welding seams. When the detected workpiece is not a magnetic body, the travelling trolley can be positioned on the small-diameter pipe by installing the annular linking device, and flaw detection scanning operation is carried out. The method has the characteristics of flexible operation, convenient and accurate adjustment and wide adaptability, and is applied to nondestructive inspection scanning of the intersecting line welding seam of the inserted reducing pipe.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a swingable probe wedge loading arm;
in the figure, 1 is a small-diameter pipe, 2 is a walking trolley, 3 is a magnetic wheel, 4 is a tension spring adjusting bolt, 5 is a vertical smooth rail upper beam, 6 is a vertical circular slide rail, 7 is a loading tension spring, 8 is a linear bearing seat, 9 is a linear bearing, 10 is a horizontal circular slide rail fixing beam, 11 is an adjusting hand wheel, 12 is a horizontal circular slide rail, 13 is a vertical smooth rail lower beam, 14 is a swingable probe wedge block loading arm, 15 is a probe wedge block, 16 is a large-diameter pipe, 17 is a seat lug for mounting an annular linking device, 18 is a screw nut, 19 is an adjusting screw rod, 1.1 is a intersecting line welding seam, 13.1 is a loading arm clamping plate, and 13.2 is a limiting bearing.
Detailed Description
The following description of the embodiment of the present invention with reference to the drawings includes a walking trolley 2 and a scanning adjusting mechanism, wherein the walking trolley 2 is a walking trolley equipped with magnetic wheels 3.
The scanning adjusting mechanism is arranged on the walking trolley 2 and is provided with a linear bearing seat 8, and two linear bearings are respectively arranged in the horizontal direction and the vertical direction of the linear bearing seat 8. One end of a horizontal round slide rail 12 in the two linear bearings in the horizontal direction is arranged on the walking trolley 2, and the other end is connected with the horizontal round slide rail fixing beam 10. A screw 18 is arranged on the linear bearing seat 8, the screw 18 is matched with an adjusting screw rod 19 arranged on the horizontal smooth rail fixing beam 10, and an adjusting hand wheel 11 is arranged at the end part of the adjusting screw rod 19.
The upper ends of the vertical round slide rails 6 in the two linear bearings in the vertical direction of the linear bearing seats 8 are connected with the vertical round slide rail upper cross beam 5, and the lower ends of the vertical round slide rails are connected with the vertical round slide rail lower cross beam 13; and a loading tension spring 7 is arranged between the vertical smooth rail upper crossbeam 5 and the linear bearing seat 8.
A swinging type probe wedge block loading arm 14 is installed on the vertical circular slide rail lower beam 13, and a probe wedge block 15 provided with an ultrasonic probe is installed on the swinging type probe wedge block loading arm 14.
The swingable probe wedge block loading arm 14 is positioned in two loading arm clamping plates 13.1 on the vertical smooth rail lower beam 13 and is positioned by three limiting bearings 13.2 arranged on the loading arm clamping plates 13.1; two limit bearings 13.2 are positioned at the outer edge of the swingable probe wedge block loading arm 14, and one limit bearing 13.2 is positioned at the inner edge of the swingable probe wedge block loading arm 14 and arranged in an isosceles triangle.
And a loading tension spring 7 is arranged between the vertical smooth rail upper crossbeam 5 and the linear bearing seat 8, and the upper end of the loading tension spring 7 is connected with the vertical smooth rail upper crossbeam 5 through a tension spring adjusting bolt 4.
Two ends of the walking trolley 2 are provided with seat lugs 17 for mounting the annular linking device; the scanning encoder of the scanning probe is arranged in the walking trolley 2.
Claims (4)
1. The utility model provides a device is examined in scanning of intersecting line welding seam flaw detection of reducing pipe grafting, includes walking dolly (2) and scanning guiding mechanism, characterized by: the walking trolley (2) is a walking trolley provided with magnetic wheels (3);
the scanning adjusting mechanism is arranged on the traveling trolley (2), and is provided with a linear bearing seat (8), and two linear bearings are respectively arranged in the horizontal direction and the vertical direction of the linear bearing seat (8); one end of a horizontal round slide rail (12) in the two linear bearings in the horizontal direction is arranged on the walking trolley (2), and the other end of the horizontal round slide rail is connected with a horizontal round slide rail fixing beam (10); a screw nut (18) is arranged on the linear bearing seat (8), the screw nut (18) is matched with an adjusting screw rod (19) arranged on the horizontal smooth rail fixing beam (10), and an adjusting hand wheel (11) is arranged at the end part of the adjusting screw rod (19);
the upper ends of the vertical round slide rails (6) in the two linear bearings in the vertical direction of the linear bearing seats (8) are connected with an upper crossbeam (5) of the vertical round slide rail, and the lower ends of the vertical round slide rails are connected with a lower crossbeam (13) of the vertical round slide rail; a loading tension spring (7) is arranged between the vertical smooth rail upper beam (5) and the linear bearing seat (8);
a swingable probe wedge block loading arm (14) is mounted on a vertical smooth rail lower beam (13), and a probe wedge block (15) provided with an ultrasonic probe is mounted on the swingable probe wedge block loading arm (14).
2. The apparatus of claim 1, wherein the apparatus comprises: the swingable probe wedge block loading arm (14) is positioned in two loading arm clamping plates (13.1) on the lower beam (13) of the vertical smooth rail and is positioned by three limiting bearings (13.2) arranged on the loading arm clamping plates (13.1); two limit bearings (13.2) are positioned at the outer edge of the swingable probe wedge block loading arm (14), and one limit bearing (13.2) is positioned at the inner edge of the swingable probe wedge block loading arm (14) and arranged in an isosceles triangle.
3. The apparatus of claim 1, wherein the apparatus comprises: and a loading tension spring (7) is arranged between the vertical smooth rail upper crossbeam (5) and the linear bearing seat (8), and the upper end of the loading tension spring (7) is connected with the vertical smooth rail upper crossbeam (5) through a tension spring adjusting bolt (4).
4. The apparatus of claim 1, wherein the apparatus comprises: seat ears (17) for mounting the annular linking devices are arranged at the two ends of the walking trolley (2); the scanning encoder of the scanning probe is arranged in the walking trolley (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222072510.2U CN218331360U (en) | 2022-08-08 | 2022-08-08 | Intersection line welding seam flaw detection scanning device for inserting of reducing pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222072510.2U CN218331360U (en) | 2022-08-08 | 2022-08-08 | Intersection line welding seam flaw detection scanning device for inserting of reducing pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218331360U true CN218331360U (en) | 2023-01-17 |
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ID=84873954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222072510.2U Active CN218331360U (en) | 2022-08-08 | 2022-08-08 | Intersection line welding seam flaw detection scanning device for inserting of reducing pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218331360U (en) |
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2022
- 2022-08-08 CN CN202222072510.2U patent/CN218331360U/en active Active
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