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CN-121994174-A - Auxiliary measuring device of ultrasonic thickness gauge under high temperature environment

CN121994174ACN 121994174 ACN121994174 ACN 121994174ACN-121994174-A

Abstract

The invention discloses an auxiliary measuring device of an ultrasonic thickness gauge in a high-temperature environment, which relates to the technical field of ultrasonic thickness measurement and comprises a water tank, an ultrasonic probe and an infrared temperature sensor, wherein a pump body is arranged on the side face of the water tank, a first fastening bracket is fixed on the outer wall of a metal pipe, the end part of an electric telescopic rod is fixed with the ultrasonic probe, a second fastening bracket is sleeved on the outer wall of a pipe sleeve assembly, and the infrared temperature sensor is arranged at the end part of the second fastening bracket in a penetrating mode. This auxiliary measuring device of ultrasonic thickness gauge under high temperature environment initiatively sprays the coolant to waiting to measure high temperature region in order to assist this region rapid cooling through the coolant nozzle to supplementary ultrasonic thickness gauge still can normal use under the whole high temperature condition of structure and measure the thickness of structure, adopts this device can carry out accurate cooling to the local region of steel structure that is surveyed, can make the structure measure steel structure thickness under the state of not shutting down, has shortened the latency of steel structure cooling in the testing process.

Inventors

  • WANG JIAHAO
  • ZHANG YONGZHEN
  • MENG HONGLI
  • REN GUANGYU
  • LENG ZHIYU
  • GUAN JIAN
  • ZHAO CHAO
  • ZHANG JIAZUN
  • ZHANG DONG
  • KONG WEIXIAO
  • Jia Jianbiao

Assignees

  • 中冶检测认证有限公司
  • 国电建投内蒙古能源有限公司
  • 广西北港新材料有限公司

Dates

Publication Date
20260508
Application Date
20260130

Claims (10)

  1. 1. The auxiliary measuring device of the ultrasonic thickness gauge under the high-temperature environment comprises a water tank (1), an ultrasonic probe (9) and an infrared temperature sensor (11) and is characterized in that a pump body (2) is arranged on the side face of the water tank (1), a water delivery hose (3) is fixed at the water outlet end of the pump body (2), a metal pipe (4) is fixed at the end part of the water delivery hose (3), a pipe sleeve component (5) is fixed at the end part of the metal pipe (4), a coolant nozzle (6) is arranged at the end part of the pipe sleeve component (5), a first fastening bracket (7) is fixed on the outer wall of the metal pipe (4), an electric telescopic rod (8) is arranged at the end part of the first fastening bracket (7) in a penetrating mode, an ultrasonic probe (9) is fixed at the end part of the electric telescopic rod (8), a second fastening bracket (10) is sleeved on the outer wall of the pipe sleeve component (5), and the infrared temperature sensor (11) is arranged at the end part of the second fastening bracket (10) in a penetrating mode.
  2. 2. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 1, wherein the pipe sleeve assembly (5) comprises a nozzle pipe sleeve (501), and a corrugated pipe (502) is arranged inside the nozzle pipe sleeve (501).
  3. 3. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 2, wherein one end of the corrugated pipe (502) is communicated with the metal pipe (4), and the other end of the corrugated pipe (502) is connected with a nozzle auxiliary pipe (503).
  4. 4. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 3, wherein the outer wall of the nozzle auxiliary pipe (503) is sleeved with a spring (504), the nozzle auxiliary pipe (503) is penetrated into the nozzle sleeve (501), and the end part of the nozzle auxiliary pipe (503) is connected with the coolant nozzle (6).
  5. 5. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 4, wherein the outer wall of the nozzle sleeve (501) is fixedly provided with an annular base (505), and the outer wall of the annular base (505) is rotatably connected with a conical toothed ring (506) through a bearing.
  6. 6. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 5, wherein the outer wall of the conical toothed ring (506) is fixedly connected with the inner wall of the tail end of the second fastening bracket (10), and the side surface of the conical toothed ring (506) is connected with a miniature bevel gear (507) in a meshed manner.
  7. 7. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 6, wherein the bottom of the miniature bevel gear (507) is connected with a plane transmission gear (508), and a unidirectional ratchet box (509) is arranged at the bottom of the plane transmission gear (508).
  8. 8. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 7, wherein the unidirectional ratchet box (509) is fixed on the outer wall of the nozzle pipe sleeve (501), and one side of the plane transmission gear (508) is connected with a transmission rack (510) in a meshed manner.
  9. 9. The ultrasonic thickness gauge auxiliary measuring device in a high-temperature environment according to claim 8, wherein the transmission rack (510) is fixed on the outer wall of the coolant nozzle (6), and the coolant nozzle (6) is elastically connected with the nozzle sleeve (501) through a spring (504).
  10. 10. The auxiliary measuring device for the ultrasonic thickness gauge under the high-temperature environment according to claim 9, wherein the side surface of the annular base (505) is provided with a through hole, and the through hole and the transmission rack (510) are positioned on the same straight line.

Description

Auxiliary measuring device of ultrasonic thickness gauge under high temperature environment Technical Field The invention relates to the technical field of ultrasonic thickness measurement, in particular to an auxiliary measuring device of an ultrasonic thickness meter in a high-temperature environment. Background In thickness measurement of industrial building steel structures, ultrasonic thickness gauges are widely used because of their portability and high efficiency. The principle of operation of the instrument is based on the principle of reflection of ultrasonic pulses, i.e. by measuring the time (T) of propagation of an acoustic wave in the material and the known speed of sound (V), according to the formula d=v×The thickness is calculated, however, the propagation velocity of the sound wave in the steel is not constant, it decreases significantly with increasing temperature-for example, the sound velocity is about 5920m/s at 20 ℃, it decreases to 5880m/s at 100 ℃, it is about 5800m/s at 200 ℃ and it is only 5720m/s at 300 ℃. At present, in order to solve the problem of high-temperature measurement misalignment, the conventional method needs to wait for equipment to stop production in a maintenance period, and measure after the structure is naturally cooled to room temperature, so that the process is low in efficiency, the detection period is prolonged, the whole operation progress is influenced, or a high-temperature probe is adopted to be matched with a high-temperature couplant for use, but the method is often expensive and can not well correct sound velocity at high temperature, and the uncertain factors are more in a high-temperature environment, so that harmful effects on personnel can be caused. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an auxiliary measuring device of an ultrasonic thickness gauge in a high-temperature environment, which solves the problems in the prior art. The auxiliary measuring device of the ultrasonic thickness gauge in the high-temperature environment comprises a water tank, an ultrasonic probe and an infrared temperature sensor, wherein a pump body is arranged on the side face of the water tank, a water delivery hose is fixed at the water outlet end of the pump body, a metal pipe is fixed at the end of the water delivery hose, a pipe sleeve component is fixed at the end of the metal pipe, a coolant nozzle is arranged at the end of the pipe sleeve component, a first fastening bracket is fixed on the outer wall of the metal pipe, an electric telescopic rod is arranged at the end of the first fastening bracket in a penetrating mode, the ultrasonic probe is fixed at the end of the electric telescopic rod, a second fastening bracket is sleeved on the outer wall of the pipe sleeve component, and the infrared temperature sensor is arranged at the end of the second fastening bracket in a penetrating mode. Further, the pipe sleeve assembly comprises a nozzle pipe sleeve, and a corrugated pipe is arranged inside the nozzle pipe sleeve. Further, one end of the corrugated pipe is communicated with the metal pipe, and the other end of the corrugated pipe is connected with a nozzle auxiliary pipe. Furthermore, the outer wall of the nozzle auxiliary pipe is sleeved with a spring, the nozzle auxiliary pipe penetrates through the inside of the nozzle pipe sleeve, and the end part of the nozzle auxiliary pipe is connected with the coolant nozzle. Further, the outer wall of the nozzle pipe sleeve is fixedly provided with an annular base, and the outer wall of the annular base is rotationally connected with a conical toothed ring through a bearing. Further, the outer wall of the conical toothed ring is fixedly connected with the inner wall of the tail end of the second tightening bracket, and the side surface of the conical toothed ring is connected with a miniature bevel gear in a meshed manner. Further, the bottom of the miniature bevel gear is connected with a plane transmission gear, and a unidirectional ratchet box is arranged at the bottom of the plane transmission gear. Further, the one-way ratchet box is fixed on the outer wall of the nozzle pipe sleeve, and one side of the plane transmission gear is connected with a transmission rack in a meshed mode. Further, the transmission rack is fixed on the outer wall of the coolant nozzle, and the coolant nozzle is elastically connected with the nozzle pipe sleeve through a spring. Further, a through hole is formed in the side face of the annular base, and the through hole and the transmission rack are located on the same straight line. The invention provides an auxiliary measuring device of an ultrasonic thickness gauge in a high-temperature environment, which has the following beneficial effects: 1. This auxiliary measuring device of ultrasonic thickness gauge under high temperature environment initiatively sprays the coolant to waiting to measure high temperature region in order to assist thi