Search

CN-122017044-A - Nickel alloy stick ultrasonic automatic flaw detection device

CN122017044ACN 122017044 ACN122017044 ACN 122017044ACN-122017044-A

Abstract

The invention belongs to the technical field of flaw detection equipment, and particularly relates to an automatic ultrasonic flaw detection device for a nickel alloy rod, which comprises a machine case, an ultrasonic transceiver unit, a rod feeding mechanism, a rod discharging mechanism and a control cabinet, wherein the ultrasonic transceiver unit is fixed in the machine case, the rod feeding mechanism and the rod discharging mechanism are respectively positioned at two sides of the machine case, the control cabinet is fixed at one side of the machine case, the ultrasonic flaw detection device also comprises two symmetrical probe assemblies, the probe assemblies are arranged in the machine case, and the rod feeding mechanism feeds a rod between the two probe assemblies and discharges the rod through the rod discharging mechanism. The invention can realize stable and efficient online automatic flaw detection of the nickel alloy rod, reduce friction between the probe and the rod, buffer vibration interference, improve flaw detection precision and equipment service life, keep the couplant at low temperature and constant temperature, inhibit bubbles and noise, and improve detection signal-to-noise ratio and defect recognition capability.

Inventors

  • QU MINGSHENG
  • MA JIAOJIAO
  • WANG HUI

Assignees

  • 陕西省特种设备检验检测研究院

Dates

Publication Date
20260512
Application Date
20260414

Claims (9)

  1. 1. The utility model provides a nickel alloy stick ultrasonic wave automatic flaw detection device, includes quick-witted case (1), ultrasonic wave receiving and dispatching unit (2), rod send into mechanism (3), rod discharge mechanism (4) and switch board (5), ultrasonic wave receiving and dispatching unit (2) are fixed in the inside of machine case (1), rod send into mechanism (3) and rod discharge mechanism (4) and are located the both sides of machine case (1) respectively, one side at machine case (1) is fixed to switch board (5), its characterized in that still includes: The two symmetrical probe assemblies (6) are arranged in the chassis (1), and the bar feeding mechanism (3) feeds bars between the two probe assemblies (6) and discharges the bars through the bar discharging mechanism (4); The four semicircular plates (7) are fixedly connected with the corresponding side walls of the probe assembly (6), the two semicircular plates (7) on the same horizontal plane are respectively arranged on two sides of the probe assembly (6), an arc-shaped sealing gasket (8) is fixed on the inner wall of each semicircular plate (7), and the two semicircular plates (7) on the same vertical plane are jointly provided with a clamping closing assembly (9); The liquid supply unit (10) is arranged below the probe assembly (6), and the liquid supply unit (10) is communicated with the inner side of the probe assembly (6); the return driving unit (11) is fixed in the chassis (1), and the return driving unit (11) drives the probe assembly (6) to move through the semicircular plate (7).
  2. 2. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 1, wherein the probe assembly (6) comprises two symmetrical arc phased array ultrasonic probes (61), the arc phased array ultrasonic probes (61) are electrically connected with the ultrasonic transceiver unit (2), an arc-shaped sound-transmitting protection pad (62) is fixed on the arc surface of the arc phased array ultrasonic probes (61), and the inner diameter of the arc-shaped sound-transmitting protection pad (62) is larger than that of the arc-shaped sealing pad (8).
  3. 3. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 1, wherein the clamping closing assembly (9) comprises connecting blocks (91) fixed on two side walls of the semicircular plate (7), a clamping electric push rod (92) is fixed between the two connecting blocks (91) on the same vertical surface, and the clamping electric push rod (92) is electrically connected with the control cabinet (5).
  4. 4. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 1, wherein the liquid supply unit (10) comprises a heat preservation lower cylinder (101) arranged below a probe assembly (6), the top of the heat preservation lower cylinder (101) is detachably connected with a heat preservation upper cylinder (102), the bottom of the heat preservation lower cylinder (101) is fixedly inserted with a pressurizing electric push rod (103), the movable end of the pressurizing electric push rod (103) is fixedly provided with a piston (104), the piston (104) is slidably arranged in the heat preservation lower cylinder (101), a space above the piston (104) is filled with a coupling agent in the heat preservation lower cylinder (101) and the heat preservation upper cylinder (102), two liquid supply pipes (105) are fixedly inserted at the top of the heat preservation upper cylinder (102), one side, close to the probe assembly (6), of the surface of the arc-shaped sealing gasket (8) is provided with a liquid through groove (106), the two liquid supply pipes (105) are communicated with the inner side of the arc-shaped sound transmission protection pad (62) through the corresponding liquid through grooves (106), one of the electric semicircular plates (7) is fixedly connected with the pressurizing electric push rod (103), and the electric control cabinet (12) is fixedly connected with the semicircular plate (106).
  5. 5. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 4, wherein the exhaust sealing assembly (12) comprises a vertical pipe (121) fixed at the top of one semicircular plate (7), the vertical pipe (121) is communicated with the inside of the same-side liquid passing groove (106), a normally open electromagnetic valve (122) is fixed at the lower side of the inside of the vertical pipe (121), a detachable liquid level probe (123) is mounted at the top of the vertical pipe (121), a plurality of exhaust holes (124) are formed in the upper side of the pipe wall of the vertical pipe (121), and the control cabinet (5) controls the normally open electromagnetic valve (122), the pressurizing electric push rod (103) and the ultrasonic transceiving unit (2) to work according to an electric signal fed back by the liquid level probe (123).
  6. 6. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 4, wherein an annular semiconductor refrigerator (13) is fixedly inserted into the inner side wall of the heat-preserving upper cylinder (102), the refrigerating end of the annular semiconductor refrigerator (13) is arranged on the inner side of the heat-preserving upper cylinder (102), and the annular semiconductor refrigerator (13) is electrically connected with the control cabinet (5).
  7. 7. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 6, wherein a sealing partition plate (14) is fixed at a position below the annular semiconductor refrigerator (13) in the heat-insulating upper cylinder (102), a cylinder (15) is fixedly inserted in the center of the sealing partition plate (14), a liquid inlet hole is formed in the top of the cylinder (15), a liquid inlet one-way valve (16) is fixed in the liquid inlet hole, a liquid return hole is formed in the surface of the sealing partition plate (14), and a liquid return one-way valve (17) is fixed in the liquid return hole.
  8. 8. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 3, wherein the rebound driving unit (11) comprises a movable frame (111), the movable frame (111) is sleeved outside the probe assembly (6), a pushing block (112) is fixed on the side wall of the movable frame (111), a mounting block (113) is fixed on the side wall of the case (1), a pushing electromagnetic push rod (114) is fixedly inserted into the side wall of the mounting block (113), the movable end of the pushing electromagnetic push rod (114) is fixedly connected with the side wall of the pushing block (112), an elastic telescopic assembly (18) is mounted on the movable frame (111), and the movable frame (111) is connected with the semicircular plate (7) through the elastic telescopic assembly (18).
  9. 9. The ultrasonic automatic flaw detection device for the nickel alloy rod according to claim 8, wherein the elastic telescopic assembly (18) comprises a sliding rod (181) fixed on the surface of the connecting block (91), the sliding rod (181) penetrates through the end face of the moving frame (111) in a sliding mode, and a supporting spring (182) is fixed between the inner side wall of the moving frame (111) and the connecting block (91).

Description

Nickel alloy stick ultrasonic automatic flaw detection device Technical Field The invention belongs to the technical field of flaw detection equipment, and particularly relates to an ultrasonic automatic flaw detection device for a nickel alloy rod. Background The nickel alloy bar used by the mechanical and electrical special equipment of the hoisting machinery is a key stress component, and is subjected to heavy load, impact and alternating load for a long time, and internal minor defects are easy to cause safety accidents such as breakage, so that nondestructive inspection and detection are required to be carried out on the bar to ensure the operation reliability and the use safety of the equipment, hidden dangers such as internal cracks, looseness and inclusion are timely detected, and the quality of the material is ensured to meet the safety requirements of the special equipment. The traditional ultrasonic flaw detection equipment usually adopts a water tank water immersion method or a local water jacket coupling mode to detect the bar, namely immersing the bar in water, or forming water film coupling between the probe and the bar through a local water cavity, and realizing full-length and circumferential coverage by means of bar rotation movement or probe rotation scanning; however, the continuous relative movement of the probe and the bar always causes that a water film is easily disturbed, scoured and broken, the coupling state is difficult to stabilize, and meanwhile, the dynamic sealing element is easy to abrade, generate heat and leak water due to long-term sliding friction, so that the detection precision and repeatability are reduced, and the equipment is high in overhaul and maintenance frequency. Disclosure of Invention The invention aims to solve the problems and provide an ultrasonic automatic flaw detection device for a nickel alloy rod. In order to achieve the purpose, the invention adopts the following technical scheme that the ultrasonic automatic flaw detection device for the nickel alloy rod comprises a machine case, an ultrasonic transceiver unit, a rod feeding mechanism, a rod discharging mechanism and a control cabinet, wherein the ultrasonic transceiver unit is fixed in the machine case, the rod feeding mechanism and the rod discharging mechanism are respectively positioned at two sides of the machine case, and the control cabinet is fixed at one side of the machine case and further comprises: The two symmetrical probe assemblies are arranged in the chassis, and the bar feeding mechanism feeds bars between the two probe assemblies and discharges the bars through the bar discharging mechanism; the four semicircular plates are fixedly connected with the corresponding side walls of the probe assembly, the two semicircular plates on the same horizontal plane are respectively arranged on two sides of the probe assembly, an arc-shaped sealing gasket is fixed on the inner wall of each semicircular plate, and the clamping closing assembly is jointly installed on the two semicircular plates on the same vertical plane; the liquid supply unit is arranged below the probe assembly and is communicated with the inner side of the probe assembly; And the return driving unit is fixed in the chassis and drives the probe assembly to move through the semicircular plate. Preferably, the probe assembly comprises two symmetrical arc phased array ultrasonic probes, the arc phased array ultrasonic probes are electrically connected with the ultrasonic transceiver unit, the arc surface of the arc phased array ultrasonic probes is fixed with an arc sound-transmitting protection pad, and the inner diameter of the arc sound-transmitting protection pad is larger than that of the arc sealing pad. Preferably, the clamping closing assembly comprises connecting blocks fixed on two side walls of the semicircular plate, a clamping electric push rod is fixed between the two connecting blocks on the same vertical surface, and the clamping electric push rod is electrically connected with the control cabinet. Preferably, the liquid supply unit is including setting up the heat preservation down a section of thick bamboo below the probe subassembly, and the top of a section of thick bamboo is dismantled and is connected with a section of thick bamboo under the heat preservation, the fixed grafting in bottom of a section of thick bamboo under the heat preservation has the pressurization electric putter, the expansion end of pressurization electric putter is fixed with the piston, and the piston slides and set up the inside of a section of thick bamboo under the heat preservation, the inside space intussuseption that is located the piston top of a section of thick bamboo under the heat preservation and heat preservation is gone up the section of thick bamboo has the couplant, the fixed grafting in top of a section of thick bamboo on the heat preservation has two liquid supply pipes, the liquid groove that leads to has all been