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CN-224216598-U - Power plant boiler pipeline welding seam ray detection equipment

CN224216598UCN 224216598 UCN224216598 UCN 224216598UCN-224216598-U

Abstract

The utility model discloses power plant boiler pipeline welding seam ray detection equipment, and belongs to the technical field of power plant boiler ray detection. The utility model indirectly acquires the direction and the height of a welding line through a color sensor, acquires distance data between the distance of a pipeline and a base through a distance measuring sensor, realizes the movement function of detection equipment through a traveling mechanism, realizes the movement effect of the detection equipment according to the position of the welding line through a controller, realizes the height adjustment of the detection equipment through a telescopic rod so as to ensure that the detection equipment can adapt to the uneven condition of a traveling road surface and the condition of the uneven condition of the welding line, ensures that the height of a ray detection mechanism can be consistent with the height of the welding line all the time, namely realizes the position adjustment of the ray detection mechanism through the traveling mechanism and the telescopic rod, does not depend on manual movement any more, improves the detection efficiency of the detection equipment, and solves the problems of long time consumption and low working efficiency of the existing welding line ray detection equipment.

Inventors

  • YANG PINGPING
  • WU PING
  • CHAI QINQIN
  • LI PENG
  • ZHANG XIAOYAN
  • MA YUMIN
  • ZHOU KAI

Assignees

  • 西安汉唐分析检测有限公司
  • 西安特种设备检验检测院

Dates

Publication Date
20260508
Application Date
20241129

Claims (8)

  1. 1. The power plant boiler pipeline welding seam ray detection device is characterized by comprising a base (1), a driving mechanism (12), a traveling mechanism (2), a telescopic rod (5), a ray detection mechanism (8) and a controller; The driving mechanism (12) is respectively in driving connection with the travelling mechanism (2) and the telescopic rod (5) and is used for driving the travelling mechanism (2) to move and driving the telescopic rod (5) to stretch up and down; The walking mechanism (2) comprises at least four universal wheels (3) and supporting legs (4), one ends of the supporting legs (4) are connected with the universal wheels (3), and the other ends of the supporting legs are connected with the base (1); A distance measuring sensor (13) is fixed on the side surface of the base (1) close to the pipeline (17), and the sensor is used for measuring the distance between the pipeline (17) and the base (1); One end of the telescopic rod (5) is fixed on the base (1), and the other end of the telescopic rod is fixedly connected with the mounting frame (6), the upper part of the mounting frame (6) is fixedly connected with the ray detection mechanism (8) through the connecting arm (7), a color sensor (11) is fixed below the mounting frame (6), the color sensor (11) is used for acquiring the direction and the height of a color track (19) on a tube row, and the color track (19) is parallel to the welding seam (16); The controller is arranged below the base (1), is electrically connected with the color sensor (11) and the ranging sensor (13) respectively and is used for receiving the direction and height data of the color track (19) and the distance data between the distance of the pipeline (17) and the base (1), is in control connection with the driving mechanism (12) and is used for controlling the telescopic rod (5) to stretch and retract according to the height of the color track (19) and controlling the travelling mechanism (2) to move according to the direction of the color track (19) and the distance between the pipeline (17) and the base (1).
  2. 2. A welding seam radiation detection apparatus for a boiler pipeline of a power plant according to claim 1, wherein the radiation detection mechanism (8) comprises a radiation emitting end (9) and a radiation receiving end (10), the radiation emitting end (9) is used for emitting X rays, and the radiation receiving end (10) is used for receiving the X rays absorbed and scattered by the pipeline (17).
  3. 3. A power plant boiler pipe weld joint radiation detection apparatus according to claim 1, wherein the distance measuring sensor (13) is an infrared distance measuring sensor or an ultrasonic distance measuring sensor.
  4. 4. A power plant boiler pipe weld joint radiation detection apparatus according to claim 1, wherein the telescopic rod (5) is a rectangular telescopic rod.
  5. 5. A power plant boiler pipe weld joint radiation detection apparatus according to claim 1, wherein a guardrail (14) is provided on the base (1), and the height of the guardrail (14) is higher than the lowest height of the telescopic rod (5).
  6. 6. A power plant boiler pipeline welding seam ray detection device according to claim 1, wherein a protective shell (15) is arranged outside the driving mechanism (12) and the controller, and the height of the protective shell (15) is smaller than that of the supporting legs (4).
  7. 7. The welding seam radiation detection apparatus of power plant boiler pipeline according to claim 1, wherein the controller is a PLC controller or a singlechip controller.
  8. 8. A power plant boiler pipe weld joint radiation detection apparatus according to claim 1, wherein the extension of the connecting arm (7) is adjustable.

Description

Power plant boiler pipeline welding seam ray detection equipment Technical Field The utility model belongs to the technical field of power station boiler ray detection, and particularly relates to power station boiler pipeline welding seam ray detection equipment. Background The power plant boiler is large in scale, so that the number of the power plant boiler tube rows is very large, and the tube rows of the power plant are formed by welding a large number of the tube rows. Defects such as bubbles, cracks, holes and the like are easy to occur at the welding position, and the defects can influence the safety and the reliability of the boiler and even cause accidents. These defects are eliminated by radiation detection in the prior art, and the safe operation of the boiler is ensured. When the welding line detection is carried out, the existing welding line detection method requires a worker to hold detection equipment in a hand, detects the welding line of the pipe row point by point or section by section through the scaffold, and needs a lot of manpower because the inspection equipment is required to be manually moved frequently and the number of the pipe rows is more, so that the welding line detection process is longer in time consumption. In conclusion, the existing welding seam ray detection equipment has the problems of long time consumption and low working efficiency. Disclosure of utility model Aiming at the defects in the prior art, the utility model provides the power plant boiler pipeline welding seam ray detection equipment which is novel and reasonable in design, simple in structure, strong in practicability and convenient to popularize and use. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides a power plant boiler pipeline welding seam ray detection equipment, includes base, actuating mechanism, running gear, telescopic link, ray detection mechanism and controller; the driving mechanism is respectively in driving connection with the travelling mechanism and the telescopic rod and is used for driving the travelling mechanism to move and driving the telescopic rod to stretch up and down; The walking mechanism comprises at least four universal wheels and supporting legs, one ends of the supporting legs are connected with the universal wheels, and the other ends of the supporting legs are connected with the base; A distance measuring sensor is fixed on the side surface of the base, which is close to the pipeline, and the sensor is used for measuring the distance between the pipeline and the base; one end of the telescopic rod is fixed on the base, and the other end of the telescopic rod is fixedly connected with the mounting frame; the upper part of the mounting frame is fixedly connected with the ray detection mechanism through a connecting arm, a color sensor is fixed below the mounting frame, the color sensor is used for acquiring the direction and the height of a color track on the tube bank, and the color track is parallel to the welding line; The controller is arranged below the base, is electrically connected with the color sensor and the ranging sensor respectively and is used for receiving the direction and height data of the color track and the distance data between the pipeline distance and the base, and is in control connection with the driving mechanism and is used for controlling the telescopic rod to stretch and retract according to the height of the color track and controlling the travelling mechanism to move according to the direction of the color track and the distance between the pipeline and the base. The ray detection mechanism further comprises a ray emission end and a ray receiving end, wherein the ray emission end is used for emitting X rays, and the ray receiving end is used for receiving the X rays absorbed and scattered by the pipeline. Further, the ranging sensor adopts an infrared ranging sensor or an ultrasonic ranging sensor. Further, the telescopic rod adopts a rectangular telescopic rod. Further, the base is provided with a guardrail, and the height of the guardrail is higher than the lowest height of the telescopic rod. Further, the driving mechanism and the controller are both provided with protective shells, and the heights of the protective shells are smaller than those of the supporting legs. Further, the controller adopts a PLC controller or a singlechip controller. Further, the extension length of the connecting arm is adjustable. Compared with the prior art, the utility model has the following advantages: The power plant boiler pipeline welding seam ray detection device acquires the direction and the height of a color track on a pipe row through a color sensor, the color track is parallel to a welding seam, the direction and the height of the welding seam are acquired through the color sensor, distance data between a pipeline distance and a base are acquired through a distance measu