CN-119985703-B - Pipeline detection conveying system with suspension auxiliary structure

CN119985703BCN 119985703 BCN119985703 BCN 119985703BCN-119985703-B

Abstract

The invention relates to the technical field of suspension conveying and discloses a pipeline detection conveying system with a suspension auxiliary structure, which comprises an ultrasonic detection unit, a pipeline detection unit and a pipeline detection unit, wherein the ultrasonic detection unit is used for detecting defects of a pipeline in the center of the ultrasonic detection unit; the pipeline pushing unit is arranged at the front end of the ultrasonic detection unit and used for clamping one end of the pipeline and pushing the pipeline into the ultrasonic detection unit, and the suspension auxiliary unit is arranged at the rear end of the ultrasonic detection unit and used for suspending and supporting the other end of the pipeline, and the suspension auxiliary unit and the pipeline pushing unit synchronously feed. According to the invention, the two ends of the pipeline are positioned at the same height and pass through the center of the ultrasonic detection unit by adopting a fixing mode with one end clamped and the other end suspended for auxiliary, so that the bending deformation of the two ends of the pipeline is reduced, the pipeline is ensured to be uniformly stressed in the ultrasonic detection process, the condition of secondary damage defect caused by pipeline bending in the detection process or after the detection is prevented, and the accuracy of the detection result is ensured.

Inventors

SHI JUNHONG
ZHOU FENG
WANG RUGANG
CHEN CHAOFENG
YE BAODAN
XU HAOCHEN
YE XUECHENG
Guo Naixuan
ZHANG YONGPING
DONG QIN
XU SEN

Assignees

盐城工学院

Dates

Publication Date: 20260512
Application Date: 20250228

Claims (7)

1. Pipeline detection conveying system with hang auxiliary structure, characterized by, include: an ultrasonic detection unit for detecting a defect of the pipe at the center thereof; The pipeline pushing unit is arranged at the front end of the ultrasonic detection unit and used for clamping one end of the pipeline and pushing the pipeline into the ultrasonic detection unit; the suspension auxiliary unit is arranged at the rear end of the ultrasonic detection unit and used for suspending and supporting the other end of the pipeline, and the suspension auxiliary unit and the pipeline propulsion unit synchronously feed; The suspension assistance unit includes: The electric suspension rail (31) is arranged at the top of the factory building; The telescopic hanging frame (32) is connected below the electric hanging rail (31) and is adjustable in height, a telescopic power end of the telescopic hanging frame (32) is connected with the controller, and the telescopic hanging frame (32) walks along the moving direction of the pipeline; The anchor ear assembly comprises a left anchor ear (33) and a right anchor ear (33), wherein the top end of the anchor ear (33) is hinged with the telescopic hanging frame (32), the inner wall of the anchor ear (33) is provided with a ball (35), and the pipeline is clamped and arranged between the two anchor ears (33); the ultrasonic detection unit includes: The base (1) is provided with two groups, the inner side of the base is provided with a movable ring (2), the outer side of the movable ring (2) is connected with a rack (3), the lower end of the rack (3) is provided with a gear, and the gear is meshed with the rack (3); an ultrasonic detection ring (4) is movably connected to one side of a base (1), a detection probe is arranged on the ultrasonic detection ring (4) and is connected with a controller, a threaded rod (5) is rotatably arranged at one end of the ultrasonic detection ring (4), a motor (6) is connected to the inside of the base (1), a rotating shaft (7) is arranged at the output end of the motor (6), one end, far away from the motor (6), of the rotating shaft (7) is connected with a gear, a belt pulley A (8) is connected to the outer side of the rotating shaft (7), a belt pulley B (10) is arranged at one side of the belt pulley A (8), a reciprocating screw (11) is connected to one end of the belt pulley B (10), a piston (12) is connected to the outer side of the reciprocating screw (11), a ball nut pair of the piston (12) is connected with a ball nut pair of the reciprocating screw, an air inlet pipe (13) is arranged at the outer side of the piston (12), the air inlet pipe (13) is connected to the upper end of the base (1), one end, far away from the belt pulley B (10), of the air inlet pipe (13) is connected with a connecting pipe (14) extends to the outside through the base (1), the air pressure type cleaning device comprises a connecting pipe (14), a fixing frame (16), a guide pipe (17), a movable block (18), a plurality of groups of empty slots, a plurality of groups of supporting rods (22), cleaning blocks (20), cleaning balls (21), a spring B (23) and a pressure sensor, wherein one end, far away from an air inlet pipe (13), of the connecting pipe (14) is connected with an air pressure valve (15), the upper end of the base (1) is connected with the fixing frame (16), the guide pipe (17) is internally connected with the fixing frame (16), the movable block (18) is provided with the movable block, the outer wall of the movable block (18) is provided with the plurality of groups of empty slots, one end, close to the inner side of the guide pipe (17), of the movable block (18) is connected with the spring A (19), the movable ring (2) is internally and movably connected with the plurality of groups of supporting rods (22), one end, at the inner side of the movable ring (2), of the cleaning blocks (20) is connected with the cleaning balls (21), the outer side of the supporting rods (22) is provided with the spring B (23).
2. The pipeline detection and transportation system with the suspension auxiliary structure according to claim 1, wherein the pressure sensor is used for detecting stress values in all directions of the pipeline, and the controller controls the suspension position of the suspension auxiliary unit according to the detection data of the pressure sensor, so that the stress in all directions of the pipeline is uniform.
3. A pipeline inspection and transportation system with a suspension assistance structure according to claim 1, characterized in that the bottom ends of the two hoops (33) are provided with lugs (34), and the lugs (34) are connected by bolts.
4. A pipeline inspection conveyor system provided with a suspension assist structure according to claim 1, wherein the pipeline propulsion unit comprises: The electric sliding rail (41) is arranged on the ground of a factory building and is arranged along the moving direction of the pipeline, and a travelling trolley (42) is arranged on the electric sliding rail (41); The pushing frame (43) is arranged above the travelling trolley (42), the pushing frame (43) is provided with an adaptive clamping assembly and a rotating motor (45), the adaptive clamping assembly is used for clamping a pipeline, and the rotating motor (45) is used for driving the pipeline to rotate.
5. The pipeline detection and transportation system with the suspension auxiliary structure according to claim 4, wherein a fixing plate is connected to the upper end of the base (1), a positioning block is rotatably connected to the inside of the fixing plate and can be locked, a threaded rod (5) is in threaded connection with the positioning block, a guide post is slidably connected to the positioning block, and the end of the guide post is connected with the ultrasonic detection ring (4).
6. The pipeline detection and transportation system with the suspension auxiliary structure according to claim 1, wherein two groups of notches are formed in the belt pulley A (8), belts (9) are sleeved in the two groups of notches, two groups of belt pulleys B (10) are arranged on two sides of the belt pulley A (8), and the belt pulleys B (10) are connected with the belt pulley A (8) through the belts (9).
7. The pipeline detection and transportation system with the suspension auxiliary structure according to claim 1, wherein the support rod (22) is hollow, the cleaning block (20) is connected with the hollow part inside the support rod (22), the outer wall of the cleaning ball (21) is provided with a groove, and the spring B (23) is connected with the outer wall of the movable ring (2).

Description

Pipeline detection conveying system with suspension auxiliary structure Technical Field The invention relates to the technical field of suspension conveying, in particular to a pipeline detection conveying system with a suspension auxiliary structure. Background Among the many modes of transportation for crude oil, natural gas and finished oil, pipeline transportation is of paramount importance. The oil and gas pipelines are key components of a pipeline transportation system, and in the actual pipeline laying and connecting process, the mutual connection between the oil and gas pipelines is mostly realized by adopting a welding mode. Therefore, the welding spots at the joints of the oil and gas pipelines are required to be subjected to fine defect detection by means of the defect detection device, so that the welding quality and the transportation safety between the oil and gas pipelines are ensured. In the prior art, as in the patent of the invention with the application number of CN202410369759.0, a nondestructive inspection device for a pipeline is disclosed, which comprises a bracket mechanism, a plurality of inspection mechanisms and a plurality of driving mechanisms, wherein the bracket mechanism comprises a plurality of supporting pipes which are coaxially arranged at intervals. The plurality of flaw detection mechanisms and the plurality of support pipes are correspondingly arranged, and the flaw detection mechanisms are installed in the corresponding support pipes and are used for elastically clamping the pipeline and detecting the pipeline. The driving mechanisms and the supporting tubes are correspondingly arranged, the driving mechanisms are arranged on the corresponding supporting tubes, and the driving mechanisms have a first state and a second state. In the first state, the drive mechanism is used to drive the pipe to rotate. In the second state, the drive mechanism is used to drive the conduit to move along the length of the support tube. In this fault detection equipment, the actuating mechanism directly acts on the pipeline surface in the transportation process, produces secondary damage to the pipeline easily, and when pipeline length was great, the pipeline both ends were crooked deformation under the action of gravity, and the damage such as weld tearing also can be produced to the excessive bending, influences the detection accuracy. Accordingly, there is a need for a pipeline inspection conveyor system with a suspension assist structure that at least partially addresses the problems of the prior art. Disclosure of Invention In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. To at least partially solve the above problems, the present invention provides a pipeline inspection and transportation system provided with a suspension assistance structure, comprising: the ultrasonic detection unit is used for detecting defects of the pipeline at the center of the ultrasonic detection unit; the pipeline propulsion unit is arranged at the front end of the ultrasonic detection unit and is used for clamping one end of the pipeline and propelling the pipeline into the ultrasonic detection unit; and the suspension auxiliary unit is arranged at the rear end of the ultrasonic detection unit and used for suspending and supporting the other end of the pipeline, and the suspension auxiliary unit and the pipeline propulsion unit synchronously feed. Preferably, a pressure sensor is arranged in the ultrasonic detection unit and used for detecting stress values in all directions of the pipeline, and the controller controls the hanging position of the hanging auxiliary unit according to the detection data of the pressure sensor so that stress in all directions of the pipeline is uniform. Preferably, the suspension assistance unit includes: the electric suspension rail is arranged at the top of the factory building; The telescopic hanging frame is connected below the electric hanging rail, the height of the telescopic hanging frame is adjustable, the telescopic power end of the telescopic hanging frame is connected with the controller, and the telescopic hanging frame walks along the moving direction of the pipeline; the anchor ear assembly comprises a left anchor ear and a right anchor ear which are semicircular, the top ends of the anchor ears are hinged with the telescopic hanging frame, lugs are arranged at the bottom ends of the two anchor ears and are connected through bolts, balls are arranged on the inner walls of the anchor ears, and the pipeline is clamped and arranged between the two anchor ears. Preferably, the pipeline propulsion unit comprises: The electric sliding rail is arranged on th