CN-122016833-A - Steel pipe surface defect detection device

CN122016833ACN 122016833 ACN122016833 ACN 122016833ACN-122016833-A

Abstract

The invention provides a steel tube surface defect detection device which is used for detecting surface defects of steel tubes with different tube diameters and comprises a centering adjusting mechanism, a shell and a detection mechanism, wherein the centering adjusting mechanism comprises a conveying component and a jacking component which are connected, the conveying component can drive the jacking component to move along a first direction, the jacking component is provided with a movable end, the shell is connected with the movable end, the jacking component can drive the shell to move along a second direction, the shell is provided with a first accommodating cavity, the shell is provided with a through hole, a first detection port and a second detection port which are communicated with the first accommodating cavity are formed in the inner wall of the through hole, the detection mechanism is arranged in the first accommodating cavity, a speed measuring piece of the detection mechanism is arranged corresponding to the first detection port and is used for detecting the moving speed of the steel tube, an image shooting piece of the detection mechanism is arranged corresponding to the second detection port and is used for shooting the surface image of the steel tube, and the arrangement is beneficial to adapting the through hole to steel tubes with different tube diameters and improving the efficiency of steel tube surface defect detection.

Inventors

WANG YIFAN
ZHANG XIAOHUI
PANG SHUYANG
ZHANG JIN
YANG YUXIN
DOU GANG
LI QIANG

Assignees

中冶赛迪信息技术(重庆)有限公司

Dates

Publication Date: 20260512
Application Date: 20260313

Claims (10)

1. A steel pipe surface defect detection device for detect the surface defect of steel pipe of different pipe diameters, its characterized in that, steel pipe surface defect detection device includes: the centering adjusting mechanism comprises a conveying assembly and a jacking assembly which are connected, wherein the conveying assembly can drive the jacking assembly to move along a first direction, and the jacking assembly is provided with a movable end; the lifting assembly can drive the shell to move along a second direction, and the second direction is perpendicular to the first direction; the shell is provided with a first accommodating cavity, a through hole for the steel pipe to pass through the shell is formed in the shell, and a first detection port and a second detection port which are communicated with the first accommodating cavity are formed in the inner wall of the through hole; The detection mechanism is arranged in the first accommodating cavity and comprises a speed measuring component and an image acquisition component, the speed measuring component comprises a speed measuring piece, the speed measuring piece is arranged corresponding to the first detection port and used for detecting the moving speed of the steel pipe, and the image acquisition component comprises an image shooting piece, and the image shooting piece is arranged corresponding to the second detection port and used for shooting the surface image of the steel pipe.
2. The steel pipe surface defect detection device according to claim 1, wherein the speed measuring assembly further comprises a first driving part, the driving end of the first driving part is connected with the speed measuring part, the speed measuring part is arranged towards the center line of the through hole and drives the speed measuring part to be close to or far away from the center line of the through hole, the image acquisition assembly further comprises a second driving part, the driving end of the second driving part is connected with the image shooting part, the image shooting part is arranged towards the center line of the through hole, and the second driving part drives the image shooting part to be close to or far away from the center line of the through hole.
3. The steel pipe surface defect detecting device according to claim 2, wherein the image capturing assembly further comprises a light source provided in correspondence with the second detecting port, and each of the image capturing members is provided with one of the light sources.
4. The steel pipe surface defect detection device according to claim 3, wherein the image acquisition assembly further comprises a first box body, the first box body is arranged at the driving end of the second driving piece, the first box body is provided with a second accommodating cavity, a first visual window and a second visual window, the image shooting piece and the light source are arranged in the second accommodating cavity, the image shooting piece is arranged corresponding to the first visual window, and the light source is arranged corresponding to the second visual window.
5. The steel pipe surface defect detecting device according to claim 4, wherein the image acquisition assemblies are provided in plural groups, the plural groups of the image acquisition assemblies are uniformly distributed along the circumferential direction of the via hole, and one group of the image acquisition assemblies is provided with one of the second detecting ports.
6. The steel pipe surface defect detection device of claim 1, further comprising a cooling assembly disposed in the first accommodating cavity for cooling the detection mechanism.
7. The steel pipe surface defect detection device according to claim 6, wherein the cooling assembly comprises a first rack and a water cooling pipe, the first rack is enclosed on the periphery of the detection mechanism, the water cooling pipe is arranged on the first rack, cooling water flows in the water cooling pipe, a gas channel is arranged in the first rack, a first gas outlet communicated with the gas channel is arranged on the first rack, and the first gas outlet is used for outputting cold air.
8. The steel pipe surface defect detection device of claim 7, wherein the cooling assembly further comprises a water cooling block, the water cooling block is provided with a cooling water channel, the cooling water flows in the cooling water channel, the image acquisition assembly comprises a first box body, the speed measurement assembly comprises a second box body, the second box body is provided with a third accommodating cavity, the speed measurement piece is arranged in the third accommodating cavity, and the water cooling block is arranged on the outer walls of the first box body and the second box body.
9. The steel pipe surface defect detecting device according to any one of claims 1 to 8, wherein the housing further comprises a third visual window and a fourth visual window, the first detecting port is provided with the third visual window, and the second detecting port is provided with the fourth visual window.
10. The steel pipe surface defect detection device according to claim 9, further comprising a purging component, wherein each fourth visual window is provided with one purging component, and the purging component is arranged on one side of the fourth visual window, which is close to the through hole.

Description

Steel pipe surface defect detection device Technical Field The invention relates to the technical field of steel pipe production, in particular to a steel pipe surface defect detection device. Background In the steel pipe production line of steel enterprises, the problem that surface defects are easy to occur in the production process of rolling and reducing sizing mills of the steel pipes, and the surface defects of the steel pipes affect the quality of produced products. At present, no effective automatic means is available for detecting defects of steel pipes with different pipe diameters, and inspection and confirmation are mainly carried out manually. The steel pipe is inspected manually, and the following problems exist: 1) The inspection standard is not uniform, and no quantized data is supported; 2) Defect detection is carried out without 24 hours of uninterrupted and full coverage, so that the problem of omission can exist, and the production progress is influenced; 3) The surface quality of the hot steel pipe cannot be detected manually, so that batch defects can not be found as soon as possible, and batch defective products are caused. Therefore, a new solution is needed to solve the above technical problems. Disclosure of Invention The invention provides a steel pipe surface defect detection device, which aims to solve the technical problem of how to detect the surface defects of steel pipes with different pipe diameters in the production process. The invention provides a steel pipe surface defect detection device, which is used for detecting surface defects of steel pipes with different pipe diameters, and comprises: the centering adjusting mechanism comprises a conveying assembly and a jacking assembly which are connected, wherein the conveying assembly can drive the jacking assembly to move along a first direction, and the jacking assembly is provided with a movable end; the lifting assembly can drive the shell to move along a second direction, and the second direction is perpendicular to the first direction; the shell is provided with a first accommodating cavity, a through hole for the steel pipe to pass through the shell is formed in the shell, and a first detection port and a second detection port which are communicated with the first accommodating cavity are formed in the inner wall of the through hole; The detection mechanism is arranged in the first accommodating cavity and comprises a speed measuring component and an image acquisition component, the speed measuring component comprises a speed measuring piece, the speed measuring piece is arranged corresponding to the first detection port and used for detecting the moving speed of the steel pipe, and the image acquisition component comprises an image shooting piece, and the image shooting piece is arranged corresponding to the second detection port and used for shooting the surface image of the steel pipe. In an embodiment of the invention, the speed measuring assembly further comprises a first driving part, the driving end of the first driving part is connected with the speed measuring part, the speed measuring part is arranged towards the center line of the through hole, the first driving part drives the speed measuring part to be close to or far away from the center line of the through hole, the image acquisition assembly further comprises a second driving part, the driving end of the second driving part is connected with the image shooting part, the image shooting part is arranged towards the center line of the through hole, and the second driving part drives the image shooting part to be close to or far away from the center line of the through hole. In an embodiment of the invention, the image capturing assembly further includes a light source, where the light source is disposed corresponding to the second detection port, and each of the image capturing elements is configured with one of the light sources. In an embodiment of the invention, the image acquisition assembly further comprises a first box body, the first box body is arranged at the driving end of the second driving piece, the first box body is provided with a second accommodating cavity, a first visual window and a second visual window, the image shooting piece and the light source are arranged in the second accommodating cavity, the image shooting piece is arranged corresponding to the first visual window, and the light source is arranged corresponding to the second visual window. In an embodiment of the present invention, the image capturing assemblies are provided with a plurality of groups, the plurality of groups of image capturing assemblies are uniformly distributed along the circumferential direction of the via hole, and one group of image capturing assemblies is configured with one second detection port. In an embodiment of the invention, the steel pipe surface defect detection device further includes a cooling component, and the cooling component is disposed