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CN-224216644-U - TOFD scanning electric driving device

CN224216644UCN 224216644 UCN224216644 UCN 224216644UCN-224216644-U

Abstract

The present disclosure relates to a TOFD scanning electric drive device, which includes a drive protective housing, a motor, intermeshing drive pinion and drive bull gear, a drive shaft, a drive wheel, a driven wheel, and a connection assembly. The motor is arranged in the driving protection shell. The transmission pinion and the transmission bull gear are arranged in the driving protection shell, and the transmission pinion is fixed with the output end of the motor. The transmission shaft is arranged outside the driving protection shell and is connected with the transmission large gear. The driving wheel and the driven wheel are respectively arranged at two ends of the transmission shaft. The connection assembly is used for fixing the TOFD scanning frame to the drive protection shell. The TOFD scanning electric driving device disclosed by the invention realizes automatic uniform walking, avoids the problems of low efficiency, high labor intensity, uneven scanning speed and the like in the traditional manual operation, ensures the stability and the result reproducibility of the scanning process, and greatly improves the quality of TOFD maps.

Inventors

  • LI DUAN
  • PENG JIE
  • HE WEI
  • ZHAO FANG

Assignees

  • 山西阳煤化工机械（集团）有限公司

Dates

Publication Date
20260508
Application Date
20250414

Claims (7)

  1. 1. A TOFD scanning electric drive device, comprising: a drive protection shell (8); A motor (11), the motor (11) being arranged within the drive protection housing (8); A transmission pinion (12) and a transmission gearwheel (13) which are meshed with each other, wherein the transmission pinion (12) and the transmission gearwheel (13) are arranged in the driving protection shell (8), and the transmission pinion (12) is fixed with the output end of the motor (11); The transmission shaft (3) is arranged outside the driving protection shell (8) and is connected with the transmission large gear (13); a driving wheel (1) and a driven wheel (2), wherein the driving wheel (1) and the driven wheel (2) are respectively arranged at two ends of the transmission shaft (3), and -A connection assembly for securing the TOFD scanning rack to the drive protection housing (8).
  2. 2. The TOFD scanning electric driving device according to claim 1, wherein the connecting assembly comprises two fixing rods (5) respectively located above the driving wheel (1) and the driven wheel (2), the two fixing rods (5) are connected through a connecting rod (4), the fixing rods (5) located above the driving wheel (1) are fixed with the driving protection shell (8), and the ends, close to the transmission shaft (3), of the two fixing rods (5) are respectively provided with a hole for the transmission shaft (3) to pass through, and the ends, far away from the transmission shaft (3), of the two fixing rods (5) are respectively fixed with the TOFD scanning frame.
  3. 3. The TOFD scanning electric drive device according to claim 2, wherein the connecting assembly further comprises two locking buckles (6), ends of the two fixing rods (5) far away from the transmission shaft (3) are respectively connected with the two locking buckles (6), and the locking buckles (6) fix the TOFD scanning frame through wing nuts (7).
  4. 4. A TOFD scanning electric drive according to any of claims 1 to 3, further comprising a battery (9) and a speed governor (10) electrically connected, the battery (9) and the speed governor (10) being disposed within the drive containment vessel (8) and the speed governor (10) being electrically connected to the motor (11).
  5. 5. A TOFD scanning electric drive device according to claim 3, characterized in that the connecting rod (4), the fixing rod (5) and the locking buckle (6) are all made of aluminum alloy.
  6. 6. The TOFD scanning electric drive according to claim 1, wherein the transmission pinion (12) and the transmission gearwheel (13) are machined from 20 CrMnTi.
  7. 7. The TOFD scanning electric drive device according to claim 1, wherein the driving wheel (1) and the driven wheel (2) are magnetic wheels.

Description

TOFD scanning electric driving device Technical Field The present disclosure relates generally to the field of TOFD scanning technology, and more particularly, to a TOFD scanning electric drive device. Background TOFD (time of flight diffraction) is an advanced ultrasonic detection technique that is mainly used to detect defects inside materials. TOFD technology detects defects using diffraction waves generated by ultrasonic waves that encounter defects as they propagate through the material, and when ultrasonic waves encounter defects such as cracks, slag inclusions, etc., diffraction waves are generated at the tips of the defects, which propagate along a specific path to a receiving probe. By analyzing the received diffraction wave signal, information such as the position, size, shape, etc. of the defect can be determined. TOFD technology has the advantages of high detection sensitivity, accurate positioning, capability of detecting thick-wall workpieces, and the like, so that the TOFD technology is widely applied to the fields of petroleum, chemical industry, nuclear power, aerospace, and the like. Meanwhile, the method can be combined with other detection technologies such as a pulse reflection method and an ultrasonic phased array to improve the accuracy and the reliability of detection. TOFD field detection generally uses a manual operation mode and an encoder to record a walking path mode to acquire a map, the manual operation is difficult to achieve uniform speed advance, the image is lost due to too high speed, and the detection efficiency is low due to too low speed. Disclosure of utility model In view of the above, the disclosure provides a TOFD scanning electric driving device, which aims to solve the problems in the prior art that TOFD field detection adopts manual operation and cannot go forward at a constant speed, thereby causing image deletion or low detection efficiency. To achieve the above object, the present disclosure provides a TOFD scanning electric driving device, which includes a driving protection shell, a motor, a transmission pinion and a transmission gear wheel which are meshed with each other, a transmission shaft, a driving wheel, a driven wheel and a connecting assembly. The motor is arranged in the driving protection shell. The transmission pinion and the transmission bull gear are arranged in the driving protection shell, and the transmission pinion is fixed with the output end of the motor. The transmission shaft is arranged outside the driving protection shell and is connected with the transmission large gear. The driving wheel and the driven wheel are respectively arranged at two ends of the transmission shaft. The connection assembly is used for fixing the TOFD scanning frame to the drive protection shell. Optionally, the coupling assembling is including being located the action wheel respectively and follow the two dead levers of driving wheel top, and two dead levers pass through the connecting rod and connect, and the dead lever that is located the action wheel top is fixed with the drive protective housing to the tip that is close to the transmission shaft of two dead levers is equipped with the hole that is used for the transmission shaft to pass through respectively, and the tip that is kept away from the transmission shaft of two dead levers is fixed with TOFD scanning frame respectively. Optionally, the connecting assembly further comprises two locking buckles, the end parts, far away from the transmission shaft, of the two fixing rods are respectively connected with the two locking buckles, and the locking buckles fix the TOFD scanning frame through butterfly nuts. Optionally, the TOFD scanning electric driving device further comprises a battery pack and a speed regulator which are electrically connected, wherein the battery pack and the speed regulator are arranged in the driving protection shell, and the speed regulator is electrically connected with the motor. Optionally, the connecting rod, the fixing rod and the locking buckle are all made of aluminum alloy materials. Alternatively, the drive pinion and drive bull gear are machined from 20 CrMnTi. Optionally, the driving wheel and the driven wheel are magnetic wheels. Compared with the prior art, the TOFD scanning electric driving device provided by the present disclosure has at least the following beneficial effects: When the TOFD scanning electric driving device is used, the TOFD scanning electric driving device is fixed with the TOFD scanning frame through the locking buckle, the motor drives the driving wheel and the driven wheel to walk through the transmission pinion and the large gear, automatic uniform scanning is realized, the problems of low efficiency and image deletion caused by manual operation are avoided, and the TOFD scanning electric driving device has important significance in the aspects of improving the detection efficiency, improving the TOFD map quality and the like. Drawings In orde