CN211940895U

CN211940895U - Segmentation marking device for girth weld ray transillumination

Info

Publication number: CN211940895U
Application number: CN202020029824.2U
Authority: CN
Inventors: 宋志强; 王胜; 李进
Original assignee: Tangshan Yuxiang Testing Technology Co ltd
Current assignee: Tangshan Yuxiang Testing Technology Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-11-17
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a material detects technical field, especially relates to a circumferential weld ray transillumination is with segmentation marking device. Comprises a cylinder body and a crank; a rotatable screw is arranged in the barrel, a rotating head is arranged at one end of the screw, a second thread which is a left-hand thread and a first thread which is a right-hand thread are arranged on the screw, the first thread is in threaded connection with a first nut, and the second thread is in threaded connection with a second nut; a touch display disc is arranged on one side of the cylinder body close to the rotating head and is rotatably connected with the pointer; the middle part of the cylinder body is provided with a first positioning device and a second positioning device, and the first nut and the second nut penetrate through the through groove and are respectively connected with the connecting bodies of the first positioning device and the second positioning device. The utility model discloses an inner wall that two positioner come the stay tube makes the axis coincidence of barrel and pipe, is provided with on the barrel rather than coaxial touch-control display panel and pointer, can carry out the segmentation according to the instruction of pointer and rule the inside welding seam of geminate transistor.

Description

Segmentation marking device for girth weld ray transillumination

Technical Field

The utility model relates to a material detects technical field, especially relates to a circumferential weld ray transillumination is with segmentation marking device.

Background

Ray detection is a widely used non-destructive inspection method. When the annular weld of the pipe is detected by adopting an eccentric inner transmission method, sectional scribing needs to be carried out on the inner weld of the pipe. The current method is that the minimum transillumination times N are determined according to a standard chart, then the circumference of a tube is divided by N to obtain the arc length of each detection, and then the welding seam is segmented and scribed according to the arc length. But due to the influence of the curvature of the concave surface inside the tube, the arc length is difficult to measure, and the dividing precision is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, it is not enough to the technique that exists to the aforesaid, a segmentation marking device is used in girth weld ray transillumination is provided, adopt two positioner to come the inner wall of stay tube, make with the coaxial barrel of positioner and the axis coincidence of pipe, be provided with on the barrel rather than coaxial touch-control display panel, touch-control display panel can demonstrate corresponding scale according to the numerical value of input, touch-control display panel is provided with can the pivoted pointer, can carry out the segmentation according to the inside welding seam of the instruction of pointer and rule.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a sectional marking device for circumferential weld ray transillumination comprises a cylinder and a crank, wherein the cylinder is cylindrical; a screw is arranged in the barrel and is parallel to two ends of the barrel, a rotating head is arranged at one end of the screw, the other end of the screw is rotatably connected with a second support ring, one end of the screw, which is close to the rotating head, is rotatably connected with a first support ring, the second support ring is fixedly connected with the barrel, a second thread and a first thread are sequentially arranged inwards at one end of the screw, which is close to the second support ring, the first thread is a right-handed thread, the second thread is a left-handed thread, the first thread is in threaded connection with a first nut, a first convex block is arranged on the first nut, the second thread is in threaded connection with a second nut, and a second convex block is arranged on the second nut; a touch display disc is arranged on one side, close to the rotating head, of the cylinder body, the touch display disc is coaxial with the cylinder body, and the touch display disc is rotatably connected with the pointer; the middle part of the cylinder body is provided with a first positioning device and a second positioning device, and the first positioning device and the second positioning device have the same structure; the first positioning device comprises a fixing ring fixedly connected with the barrel, three supporting arms are hinged to the fixing ring, the supporting arms are hinged to connecting rods, and the other ends of the connecting rods are hinged to movable rings in sliding connection with the barrel; a connecting body is arranged on one side of the movable ring close to the fixed ring, a through hole is formed in the connecting body, a through groove is formed in the barrel, and the first lug and the second lug penetrate through the through groove and are respectively connected with the connecting body of the first positioning device and the connecting body of the second positioning device; the movable ring on the first positioning device is positioned on one side, close to the touch display disc, of the fixing ring, and the movable ring on the second positioning device is positioned on one side, far away from the touch display disc, of the fixing ring.

Further optimize this technical scheme, the touch-control display panel is the ring form, and its internal diameter equals with the external diameter of barrel.

Further optimize this technical scheme, pointer includes the activity needle rather than sliding connection.

Further optimize this technical scheme, the rotation head is the cuboid form.

Further optimize this technical scheme, be provided with the square hole on the crank.

Compared with the prior art, the utility model has the advantages of it is following: 1. the angle of the supporting arm on the positioning device can be adjusted, and the structure can ensure that the positioning device is suitable for pipes with various inner diameters; 2. the scale to be marked is displayed by the touch display panel, and the pointer can be marked by aligning with the scale, so that the operation is simple.

Drawings

Fig. 1 is a schematic structural view of a sectional scribing device for circumferential weld radiography.

Fig. 2 is a schematic view of the internal structure of a segment scribing device for circumferential weld radiography.

Fig. 3 is a schematic structural view of a crank of the sectional scribing device for circumferential weld radiographic inspection.

In the figure: 1. a barrel; 11. a through groove; 2. a touch display panel; 3. a pointer; 31. a movable needle; 4. a first positioning device; 41. a fixing ring; 42. a support arm; 43. a connecting rod; 44. a movable ring; 441. a linker; 5. a second positioning device; 6. a screw; 61. rotating the head; 62. a first thread; 63. a second thread; 64. a crank; 641. a square hole; 7. a first support ring; 8. a first nut; 81. a first bump; 9. a second nut; 91. a second bump; 10. a second support ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-3, the sectional scribing device for the girth weld ray transillumination comprises a cylinder body 1 and a crank 64, wherein the cylinder body 1 is cylindrical; a screw 6 is arranged in the barrel 1, the screw 6 is flush with two ends of the barrel 1, a rotating head 61 is arranged at one end of the screw 6, the other end of the screw 6 is rotatably connected with a second support ring 10, one end of the screw 6, which is close to the rotating head 61, is rotatably connected with a first support ring 7, the second support ring 10 is fixedly connected with the barrel 1, a second thread 63 and a first thread 62 are inwards arranged at one end of the screw 6, which is close to the second support ring 10, in sequence, the first thread 62 is a right-handed thread, the second thread 63 is a left-handed thread, the first thread 62 is in threaded connection with a first nut 8, a first lug 81 is arranged on the first nut 8, the second thread 63 is in threaded connection with a second nut 9, and a second lug 91 is arranged on the second nut 9; a touch display disc 2 is arranged on one side, close to the rotating head 61, of the cylinder body 1, the touch display disc 2 is coaxial with the cylinder body 1, and the touch display disc 2 is rotatably connected with a pointer 3; a first positioning device 4 and a second positioning device 5 are arranged in the middle of the barrel 1, and the first positioning device 4 and the second positioning device 5 are identical in structure; the first positioning device 4 comprises a fixed ring 41 fixedly connected with the cylinder 1, the fixed ring 41 is hinged with three support arms 42, all the three support arms 42 are hinged with a connecting rod 43, and the other end of the connecting rod 43 is hinged with a movable ring 44 in sliding connection with the cylinder 1; a connecting body 441 is arranged on one side of the movable ring 44 close to the fixed ring 41, a through hole is arranged on the connecting body 441, a through groove 11 is arranged on the cylinder 1, and the first projection 81 and the second projection 91 penetrate through the through groove 11 and are respectively connected with the connecting body 441 of the first positioning device 4 and the second positioning device 5; the movable ring 44 on the first positioning device 4 is located on one side of the fixed ring 41 close to the touch display panel 2, and the movable ring 44 on the second positioning device 5 is located on one side of the fixed ring 41 away from the touch display panel 2. The touch display panel 2 is disc-shaped, and the inner diameter of the touch display panel is equal to the outer diameter of the cylinder 1. Said pointer 3 comprises a movable needle 31 slidingly associated therewith. The rotating head 61 is rectangular. The crank 64 is provided with a square hole 641.

In use, as shown in fig. 1 to 3, in order to prevent the touch display panel 2 from being damaged, the touch display panel 2 can be slid outward along the cylinder 1 to be taken down. The square hole 641 on the crank 64 is sleeved on the rotating head 61, the crank 64 is rotated anticlockwise, the first nut 8 and the second nut 9 move towards the fixed ring 41, so that the belt moving ring 44 moves, the connecting rod 43 pushes the supporting arm 42 to expand outwards to be in contact with the inner wall of the pipe, and at the moment, the barrel 1 is overlapped with the axis of the pipe. The crank 64 is taken down, the touch display panel 2 is installed on the cylinder body 1, then the minimum transillumination times N determined by the chart is input into the touch display panel 2, the touch display panel 2 displays N radial scale marks which equally divide the circumference, the movable needle 31 is pulled outwards to be close to the welding line in the pipe, the pointer 3 is rotated to be flush with each scale mark in sequence, and the corresponding position of the welding line is marked by a pen or other tools. When the segment scribing is completed, the touch display panel 2 is taken down, then the crank 64 is used for clockwise rotating the screw rod 6, the supporting arm 42 is retracted inwards, and the device is taken out of the tube.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

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, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a circumferential weld ray transillumination is with segmentation marking device which characterized in that: the device comprises a cylinder body (1) and a crank (64), wherein the cylinder body (1) is cylindrical; the barrel is characterized in that a screw rod (6) is arranged inside the barrel (1), the screw rod (6) is parallel and level with two ends of the barrel (1), a rotating head (61) is arranged at one end of the screw rod (6), the other end of the screw rod (6) is connected with a second support ring (10) in a rotating mode, one end, close to the rotating head (61), of the screw rod (6) is connected with a first support ring (7) in a rotating mode, the second support ring (10) is fixedly connected with the barrel (1), one end, close to the second support ring (10), of the screw rod (6) is inwards provided with second threads (63) and first threads (62) in sequence, the first threads (62) are right-handed threads, the second threads (63) are left-handed threads, the first threads (62) are in threaded connection with first nuts (8), first convex blocks (81) are arranged on the first nuts (8), and the second threads (63) are in threaded connection with second nuts (9), a second bump (91) is arranged on the second nut (9); a touch display disc (2) is arranged on one side, close to the rotating head (61), of the cylinder body (1), the touch display disc (2) is coaxial with the cylinder body (1), and the touch display disc (2) is rotatably connected with the pointer (3); a first positioning device (4) and a second positioning device (5) are arranged in the middle of the barrel (1), and the first positioning device (4) and the second positioning device (5) are identical in structure; the first positioning device (4) comprises a fixing ring (41) fixedly connected with the barrel body (1), the fixing ring (41) is hinged with three supporting arms (42), the supporting arms (42) are hinged with a connecting rod (43), and the other end of the connecting rod (43) is hinged with a movable ring (44) in sliding connection with the barrel body (1); a connecting body (441) is arranged on one side, close to the fixed ring (41), of the movable ring (44), a through hole is formed in the connecting body (441), a through groove (11) is formed in the cylinder body (1), and the first bump (81) and the second bump (91) penetrate through the through groove (11) and are respectively connected with the connecting body (441) of the first positioning device (4) and the second positioning device (5); the movable ring (44) on the first positioning device (4) is positioned on one side, close to the touch display disc (2), of the fixing ring (41), and the movable ring (44) on the second positioning device (5) is positioned on one side, far away from the touch display disc (2), of the fixing ring (41).

2. The sectional scribing device for the fillet weld ray transillumination according to claim 1, wherein: the touch display disc (2) is annular, and the inner diameter of the touch display disc is equal to the outer diameter of the cylinder body (1).

3. The sectional scribing device for the fillet weld ray transillumination according to claim 1, wherein: the pointer (3) comprises a movable needle (31) connected with the pointer in a sliding mode.

4. The sectional scribing device for the fillet weld ray transillumination according to claim 1, wherein: the rotating head (61) is in a cuboid shape.

5. The sectional scribing device for the fillet weld ray transillumination according to claim 1, wherein: the crank (64) is provided with a square hole (641).