CN-121977415-A - Device and method for measuring and correcting axial butt joint shaft deflection angle

CN121977415ACN 121977415 ACN121977415 ACN 121977415ACN-121977415-A

Abstract

The application belongs to the technical field of nondestructive testing, aims to solve the problem of different axes when two sections of pipelines are butted, and discloses an axial butt joint shaft deflection angle measuring and correcting device and method, wherein the device comprises an inspection equipment pipeline, a carrying trolley, a lifting platform, a rotating platform and a butt joint moving platform, the inspection equipment pipeline is arranged below the carrying trolley to realize pose adjustment of the inspection equipment pipeline in the X direction, the lifting platform is arranged on the carrying trolley to realize pose adjustment in the R, Y, Z direction of the inspection equipment pipeline, the rotating platform penetrates through the lifting platform to be arranged on the carrying trolley to realize pose adjustment in the R, X, Z direction of the inspection equipment pipeline, and the docking moving platform is arranged below the carrying trolley to realize docking motion in the Z direction of the inspection equipment pipeline. The application has simple structure and reliable method, and can accurately judge the axis deviation trend according to the indication value.

Inventors

AN CHUANHAI
DING DONGPING
ZHAO WEIDONG
LI RUIXIA
LI QIUDA
ZHANG ZHIHUI
Chang changcheng
Mei lan
CAI JINSONG

Assignees

中核武汉核电运行技术股份有限公司
核动力运行研究所
中核核电运行管理有限公司

Dates

Publication Date: 20260505
Application Date: 20260108

Claims (11)

1. The utility model provides an axial butt joint axle deflection angle measurement and correction device, its characterized in that includes inspection equipment pipeline (2), delivery dolly (3), lift platform (4), rotary platform (5) and butt joint moving platform (6), inspection equipment pipeline (2) are installed the below of delivery dolly (3) is used for realizing the ascending position appearance adjustment of X direction of inspection equipment pipeline (2), lift platform (4) are installed on delivery dolly (3) be used for realizing the ascending position appearance adjustment of R, Y, Z directions of inspection equipment pipeline (2), rotary platform (5) pass lift platform (4) are installed on delivery dolly (3) be used for realizing the position appearance adjustment of R, X, Z directions of inspection equipment pipeline (2), butt joint moving platform (6) are installed the below of delivery dolly (3) is used for realizing the Z direction butt joint motion of inspection equipment pipeline (2).
2. The axial butt-joint shaft deflection angle measuring and correcting device according to claim 1, wherein the lifting platform (4) comprises a Y1 lifting shaft, a Y2 lifting shaft and a Y3 lifting shaft, and the pose adjustment in the R, Y, Z direction of the inspection equipment pipeline (2) is completed by adopting independent movement of each shaft or synchronous movement of two shafts or synchronous movement of three shafts.
3. The axial butt-joint shaft deflection angle measurement and correction device according to claim 2, wherein the Y1 lifting shaft, the Y2 lifting shaft and the Y3 lifting shaft are mounted on a platform frame (41), a Y1 linear displacement sensor (43) is mounted on a side portion of the Y1 lifting shaft for measuring the lifting height of the Y1 shaft, a Y2 linear displacement sensor (45) is mounted on a side portion of the Y2 lifting shaft for measuring the lifting height of the Y2 shaft, and a Y3 linear displacement sensor (47) is mounted on a side portion of the Y3 lifting shaft for measuring the lifting height of the Y3 shaft.
4. The axial butt joint shaft deflection angle measuring and correcting device according to claim 1, characterized in that the inspection equipment pipeline (2) comprises an outer cylinder (21), a butt joint pipeline (22) and an end surface parallelism detecting module (23), the outer cylinder (21) is installed outside the butt joint pipeline (22), and the end surface parallelism detecting module (23) is installed on the outer wall of the outer cylinder (21).
5. The axial butt-joint shaft misalignment measuring and correcting apparatus according to claim 4, wherein the number of the end-face parallelism detecting modules (23) is 4, and 4 of the end-face parallelism detecting modules (23) are uniformly arranged in the circumferential direction.
6. The axial butt-joint shaft deflection angle measuring and correcting device according to claim 4, wherein the end face parallelism detecting module (23) comprises a probe (231), a probe steering shaft (232), a probe fixing seat (233), a spring (234), a linear displacement sensor fixing seat (235) and a linear displacement sensor (236), the probe steering shaft (232) is mounted on the outer portion of the probe (231), the probe steering shaft (232) is movably mounted on the probe fixing seat (233), the tail portion of the probe (231) is connected with one end of the spring (234), the other end of the spring (234) is connected with a core rod of the linear displacement sensor (236), and the linear displacement sensor (236) is mounted on the outer wall of the outer cylinder (21).
7. The axial butt-joint shaft deflection angle measuring and correcting device according to claim 6, characterized in that the heads of the probes (231) are located on the same circumference, the heads of the probes (231) are arranged in parallel with XY planes and located at positions of 0 °, 90 °, 180 °, 270 °, and the heads of each probe (231) are 1 mm-2 mm higher than the butt-joint plane of the butt-joint pipe (22).
8. A method for measuring and correcting an axial butt-joint shaft deflection angle, comprising: firstly, butting a standard tube with an inspection equipment pipeline (2) in a free state, and calibrating four end face parallelism detection modules (23), wherein in a calibration state, Y+ =Y-, X+ =X-; Step two, taking out the standard pipe, and adjusting X, Y, Z, R coordinates of the pipeline 2 of the inspection equipment to enable the standard pipe to be in an approximate coaxial state with the fixed pipeline (1) under the naked eye state; Thirdly, the inspection equipment pipeline (2) is in butt joint with the fixed pipeline (1), the probe (231) is extruded, and the values of Y+, Y-, X+ and X-are recorded; Calculating a value of delta Y synchronous movement 、ΔY1 Exercise machine 、ΔR Exercise machine 、ΔX Exercise machine , and driving the X axis, the Y1, the Y2, the Y3 axis and the R axis to move by a control system according to the value; And fifthly, repeating the step three, recording values of Y+, Y-, X and X-, and if the deviation delta X and delta Y is smaller than 0.1mm, meeting the axis deviation requirement, otherwise, continuing repeating the step four until meeting the requirement.
9. The axial butt-joint shaft misalignment measuring and correcting apparatus according to claim 8, wherein the Y-direction deviation correcting value is calculated as follows: Y1 movement distance is Δy Exercise machine =l1 Δy/L; The three-axis synchronous motion distances of Y1, Y2 and Y3 are delta Y synchronous movement =L2.
10. The axial butt-joint shaft misalignment measuring and correcting apparatus according to claim 8, wherein the X-direction deviation correcting value is calculated as follows: r movement distance is Δr Exercise machine = -arctan (Δx/L); the X movement distance is Δx Exercise machine =l3×Δx/L.
11. And shifting DeltaY synchronous movement 、ΔY1 Exercise machine 、ΔR Exercise machine 、ΔX Exercise machine according to the calculated value.

Description

Device and method for measuring and correcting axial butt joint shaft deflection angle Technical Field The application belongs to the technical field of nondestructive testing, and particularly relates to an axial butt joint shaft deflection angle measuring and correcting device and method. Background In the nondestructive testing field implementation process of the nuclear power station, certain movable inspection equipment pipelines with the same inner diameter and a certain wall thickness are required to be butted with fixed pipelines, and the coaxial deviation of axes of the two pipelines is required to be as small as possible during the butt joint. The special shaft deflection angle measuring module and the correcting method are required to be designed to correct the axis deflection, so that two sections of pipelines with the same inner diameter are coaxial, and the two sections of pipelines can be held tightly by a special mechanism. Meanwhile, the liquid with pressure in the inner part can not leak from the butt joint part, and when the inspection tool passes through the inner part of the two sections of pipelines under the coaxial condition, the inspection tool can not be clamped due to the deviation of the inner diameter, so that nondestructive inspection items can be conveniently implemented in the fixed pipelines. Disclosure of Invention The application aims to provide an axial butt joint shaft deflection angle measuring and correcting device and method, which solve the problem of different axes when two sections of pipelines are in butt joint, so that the coaxial deviation of the axes of the two sections of pipelines is as small as possible, on one hand, a sealing ring between the pipelines is uniformly pressed, the effect of reliable sealing is achieved, and on the other hand, the internal connection of two sections of butt joint pipelines with the same inner diameter is smoothly transited. In order to achieve the above object, the present application provides the following technical solutions: In a first aspect, the application provides an axial butt joint shaft deflection angle measuring and correcting device, which comprises an inspection equipment pipeline, a carrying trolley, a lifting platform, a rotating platform and a butt joint moving platform, wherein the inspection equipment pipeline is arranged below the carrying trolley to realize pose adjustment in the X direction of the inspection equipment pipeline, the lifting platform is arranged on the carrying trolley to realize pose adjustment in the R, Y, Z direction of the inspection equipment pipeline, the rotating platform passes through the lifting platform and is arranged on the carrying trolley to realize pose adjustment in the R, X, Z direction of the inspection equipment pipeline, and the butt joint moving platform is arranged below the carrying trolley to realize Z-direction butt joint movement of the inspection equipment pipeline. In some embodiments, the lifting platform comprises a Y1 lifting shaft, a Y2 lifting shaft and a Y3 lifting shaft, and the pose adjustment of the inspection equipment pipeline in the R, Y, Z direction is completed by adopting independent movement of each shaft or synchronous movement of two shafts or synchronous movement of three shafts. In some embodiments, the Y1 lift shaft, the Y2 lift shaft, and the Y3 lift shaft are mounted on a platform frame, a Y1 linear displacement sensor is mounted to a side of the Y1 lift shaft to measure a lift height of the Y1 shaft, a Y2 linear displacement sensor is mounted to a side of the Y2 lift shaft to measure a lift height of the Y2 shaft, and a Y3 linear displacement sensor is mounted to a side of the Y3 lift shaft to measure a lift height of the Y3 shaft. In some embodiments, the inspection equipment conduit includes an outer barrel mounted outside of the docking conduit, a docking conduit, and an end face parallelism detection module mounted to an outer wall of the outer barrel. In some embodiments, the number of the end face parallelism detecting modules is 4, and 4 of the end face parallelism detecting modules are uniformly arranged in the circumferential direction. In some embodiments, the end surface parallelism detection module comprises a probe, a probe steering shaft, a probe fixing seat, a spring, a linear displacement sensor fixing seat and a linear displacement sensor, wherein the probe steering shaft is installed outside the probe, the probe steering shaft is movably installed on the probe fixing seat, the tail part of the probe is connected with one end of the spring, the other end of the spring is connected with a core rod of the linear displacement sensor, and the linear displacement sensor is installed on the outer wall of the outer cylinder. In some embodiments, the heads of the probes are located on the same circumference, the heads of the probes are arranged in parallel to the XY plane and located at the positions of 0 degrees, 90 degrees, 180 d