Weld joint flaw detection mechanism based on gearbox gear shaft

Abstract

The utility model discloses a welding seam flaw detection mechanism based on a gearbox gear shaft, and relates to the technical field of welding seam flaw detection mechanisms. The gearbox gear shaft clamping device comprises the fixing frame, the moving mechanism and the fixing mechanism, the fixing mechanism comprises the mounting plate, the gearbox gear shaft is clamped and fixed through the first clamping hoop and the second clamping hoop by arranging the fixing mechanism and the fastening rotary knob, clamping is stable, meanwhile, the device is more convenient to use, and the practicability is high. When the ultrasonic detector performs flaw detection on a welding seam, the rotation of a gear shaft of the gearbox is more stable through the rolling wheels, so that the ultrasonic probe and the welding seam are always located at relatively stable positions, the accuracy of a flaw detection result is improved, meanwhile, the labor intensity of workers is reduced, and the detection efficiency is improved; therefore, the ultrasonic detection equipment is driven to move stably, the transverse distance between the ultrasonic detection equipment and the gear shaft of the gearbox is adjusted, the flaw detection efficiency is improved, and the accuracy of flaw detection results is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding seam flaw detection inspection mechanism technical field, concretely is welding seam flaw detection inspection mechanism based on gearbox gear shaft. BACKGROUND

[0002] Welding seam flaw detection inspection mechanism based on gearbox gear shaft is a kind of nondestructive testing equipment for detecting the internal defects of welding seam, it utilizes the propagation characteristics of ultrasonic wave in welding seam, the reflection signal when ultrasonic wave meets defect is detected, to judge whether there is crack, blowhole, slag inclusion etc. Defect inside welding seam, high-frequency electric signal is generated by ultrasonic generator, excitation ultrasonic transducer works, ultrasonic wave signal is sent out, ultrasonic wave signal is propagated inside welding seam, reflection occurs when meeting defect, the ultrasonic wave signal reflected back is received by probe and converted back electric signal, then after signal processing system is amplified, filtering etc. Processing, extract useful information, finally, the signal after processing is shown by display recording device, for detection personnel analysis and judge the quality of welding seam.

[0003] The welding seam flaw detection inspection mechanism based on gearbox gear shaft provided by the utility model has the advantages of stable fixation, high efficiency and low labor cost. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides welding seam flaw detection inspection mechanism based on gearbox gear shaft to solve the technical problem of unstable probe movement, high work intensity, high labor cost and low inspection efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: welding seam flaw detection inspection mechanism based on gearbox gear shaft, including fixing frame, moving mechanism and fixed mechanism, the fixed mechanism includes mounting plate, the outer surface of mounting plate is provided with two first clamps, the first clamp is connected with second clamp through fastening knob, the first clamp and second clamp are provided with roller in.

[0006] Through the above technical scheme, the first clamp and the second clamp cooperate to form clamping force to clamp the gearbox gear shaft, effectively fixing the gearbox gear shaft on the equipment.

[0007] Further, the roller is provided with several, and the several rollers are evenly arranged in a circumferential array.

[0008] By adopting the technical scheme, the inspection mechanism can be supported at multiple points during movement, thereby improving the overall stability and effectively reducing the working strength of the operator when the gearbox gear shaft rotates.

[0009] Further, the interior of the fixing frame is fixedly connected with the mounting plate through the first mounting frame, and the fixing frame is made of aluminum alloy.

[0010] By adopting the technical scheme, the fixing frame is fixedly connected with the first mounting frame and the mounting plate, and the multi-level and multi-point fixed connection mode ensures the stability of the entire flaw detection inspection mechanism, simplifies the mounting process between the mounting plate and the fixing frame, and the aluminum alloy has the characteristics of small density and light weight, so that the fixing frame can maintain sufficient strength while reducing the weight of the entire flaw detection inspection mechanism, has good corrosion resistance, and enhances the service life of the equipment.

[0011] Further, the moving mechanism comprises a motor, and the output end of the motor is provided with a gear.

[0012] By adopting the technical scheme, the motor is a mature power equipment, has the advantages of high stability, convenient control and simple maintenance, and can continuously and stably provide driving force in the inspection mechanism, so as to ensure that the ultrasonic probe can move according to the predetermined track.

[0013] Further, the gear is engaged with a driving rod through a clamping tooth, the top of the fixing frame is provided with a guide rail for sliding of the driving rod, and the top of the driving rod is fixedly provided with a second mounting frame.

[0014] By adopting the technical scheme, the gear is used as a transmission component, and the rotation of the motor is converted into the linear motion of the driving rod through the engagement of the clamping tooth and the driving rod.

[0015] Further, the bottom of the second mounting frame is fixedly connected with a detector bottom plate, and the outer surface of the detector bottom plate is connected with an ultrasonic probe through an ultrasonic generator.

[0016] By adopting the technical scheme, the detector bottom plate is fixedly connected to the bottom of the second mounting frame, and provides a stable mounting platform for the ultrasonic generator and the ultrasonic probe, thereby ensuring the stability and reliability of the entire detection system.

[0017] In summary, the utility model mainly has the following beneficial effects:

[0018] 1. The utility model discloses a fixing mechanism is set up, and the first clamp and second clamp are clamped to the gear shaft of gearbox and are fixed through fastening knob, and the device is more convenient to use when being stable, and the rotation of the gear shaft of gearbox is more stable when the roller makes ultrasonic detector detects the weld, makes ultrasonic probe and weld always be in the relatively stable position, increases the accuracy of the detection result, reduces the artificial labor intensity simultaneously, improves the inspection efficiency,

[0019] 2. The utility model discloses a moving mechanism is set up, and the drive rod is moved on the guide rail through motor, thereby driving ultrasonic detection equipment to move stably, and the lateral spacing of gear shaft of gearbox is adjusted, and the distance of ultrasonic probe and weld is adjusted accurately by operating personnel, improves the detection efficiency, and further increases the accuracy of the detection result. DRAWINGS

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the utility model,

[0021] Figure 2 It is the structure schematic diagram of the moving mechanism of the utility model,

[0022] Figure 3 It is the overhead structure schematic diagram of the utility model,

[0023] Figure 4 It is the structure schematic diagram of the utility model Figure 1 A place of the utility model is enlarged.

[0024] In the drawing: 1, fixed frame, 2, first mounting bracket, 3, moving mechanism, 301, motor, 302, gear, 303, drive rod, 304, guide rail, 305, second mounting bracket, 4, detector bottom plate, 5, ultrasonic generator, 6, ultrasonic probe, 7, fixing mechanism, 701, mounting plate, 702, first clamp, 703, second clamp, 704, fastening knob, 705, roller. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiment of the utility model will be described clearly and completely in the embodiment of the utility model in combination with the drawings. The embodiment described below is exemplary, and is used for explaining the utility model, and can not be understood as the limitation of the utility model.

[0026] Based on the weld detection inspection mechanism of gear shaft of gearbox, like Figures 1-4As shown, including fixed frame 1, moving mechanism 3 and fixed mechanism 7, fixed mechanism 7 includes mounting plate 701, the outer surface of mounting plate 701 is provided with two first clamps 702 symmetrically, the first clamp 702 is connected with the second clamp 703 through the fastening knob 704, the first clamp 702 and the second clamp 703 are provided with the roller 705, the first clamp 702 and the second clamp 703 cooperate, form the clamping force clamping gearbox shaft, effectively make the gearbox shaft stable fixed on the equipment, the fastening knob 704 is used for adjusting the clamping force between the first clamp 702 and the second clamp 703, ensure that the fixed mechanism 7 can firmly clamp the gearbox shaft.

[0027] Referring to Figure 4 , the roller 705 is provided with a plurality of, a plurality of rollers 705 are arranged in a circumferential array equidistantly and uniformly, by setting a plurality of rollers 705, the inspection mechanism can get multiple point support in the moving process, thereby improving the overall stability, while effectively reducing the gearbox shaft rotation, the working strength of the operator, the roller 705 is arranged in a circumferential array equidistantly and uniformly, so that the inspection mechanism can keep balance when moving, reduce the friction and resistance caused by uneven stress.

[0028] Referring to Figure 1 , the inside of fixed frame 1 is fixedly connected with mounting plate 701 through first mounting frame 2, fixed frame 1 adopts aluminum alloy material, the fixed connection of fixed frame 1 and first mounting frame 2, mounting plate 701, this multilayer, multiple point fixed connection mode ensures the stability of the whole flaw detection mechanism, simplifies the installation process between mounting plate 701 and fixed frame 1.

[0029] Referring to Figure 2 , moving mechanism 3 includes motor 301, the output end of motor 301 is provided with gear 302, motor 301 as mature power equipment, has the advantages of high stability, convenient control, simple maintenance, in the inspection mechanism, motor 301 can continuously, stably provide driving force, ensure that the ultrasonic probe 6 can move according to the predetermined track, through the tooth engagement of gear 302 and driving rod 303, the rotary motion of motor 301 can be efficiently converted into the linear motion of driving rod 303, so as to drive the ultrasonic probe 6 to move, the transmission ratio is accurate, the transmission efficiency is high.

[0030] Referring to Figure 2The gear 302 is engaged with the driving rod 303 through the clamping teeth, the top of the fixing frame 1 is provided with a guide rail 304 for the sliding of the driving rod 303, the top of the driving rod 303 is fixed with a second mounting frame 305, the gear 302 is engaged with the driving rod 303 through the clamping teeth as a transmission component, the rotation of the motor is converted into the linear motion of the driving rod 303, the guide rail 304 provides a stable sliding track for the driving rod 303, effectively prevents the deviation and shaking of the driving rod 303 during the movement, and ensures the stability of the ultrasonic probe 6 during the flaw detection, and the second mounting frame 305 is fixed on the top of the driving rod 303 and moves together with the driving rod 303, and is used for mounting and supporting the detector bottom plate 4, the ultrasonic wave generator 5 and the ultrasonic probe 6 and other components.

[0031] Referring to Figure 1 The bottom of the second mounting frame 305 is fixedly connected with the detector bottom plate 4, the outer surface of the detector bottom plate 4 is connected with the ultrasonic probe 6 through the ultrasonic wave generator 5, the detector bottom plate 4 is fixedly connected at the bottom of the second mounting frame 305, and a stable mounting platform is provided for the ultrasonic wave generator 5 and the ultrasonic probe 6, so that the stability and reliability of the entire detection system are ensured, the ultrasonic wave generator 5 is installed on the outer surface of the detector bottom plate 4 and is a key component for generating ultrasonic signals, and the ultrasonic probe 6 is a component for converting electric signals into ultrasonic waves and emitting the ultrasonic waves into a weld, so that the ultrasonic waves can uniformly irradiate on the weld, and the accuracy and coverage of flaw detection are improved.

[0032] The implementation principle of the utility model is as follows: firstly, the gearbox gear shaft is placed between the first clamp 702 and the second clamp 703 during use, the weld is aligned with the ultrasonic probe 6, then the first clamp 702 and the second clamp 703 are clamped to the gearbox gear shaft by rotating the fastening knob 704, then the motor 301 drives the gear 302 to rotate, the driving rod 303 moves transversely on the guide rail 304, and the second mounting frame 305 is driven to move and adjust the distance between the ultrasonic probe 6 and the gearbox gear shaft to an appropriate distance, then the ultrasonic probe is rotated to the gearbox gear shaft, and the entire weld is detected and checked through ultrasonic waves.

[0033] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and changes without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A weld inspection mechanism based on gearbox gear shaft, characterized by: Including fixed frame (1), moving mechanism (3) and fixed mechanism (7), the fixed mechanism (7) includes mounting plate (701), the outer surface of mounting plate (701) is provided with two first clamps (702) symmetrically, the first clamp (702) is connected with the second clamp (703) through fastening knob (704), the first clamp (702) and second clamp (703) are provided with roller (705) in.

2. The gearbox gear shaft based weld inspection mechanism of claim 1, wherein: The roller (705) is provided with several, several roller (705) is equidistantly and uniformly arranged in a circumferential array.

3. The gearbox gear shaft based weld inspection mechanism of claim 1, wherein: The inside of the fixed frame (1) is fixedly connected with the mounting plate (701) through the first mounting frame (2), and the fixed frame (1) is made of aluminum alloy material.

4. The gearbox gear shaft based weld inspection mechanism of claim 1, wherein: The moving mechanism (3) includes motor (301), and the output end of the motor (301) is provided with gear (302).

5. The gearbox gear shaft based weld inspection mechanism of claim 4, wherein: The gear (302) is engaged with the driving rod (303) through the clamping tooth, the top of the fixed frame (1) is provided with the guide rail (304) for the sliding of the driving rod (303), and the top of the driving rod (303) is fixedly connected with the second mounting frame (305).

6. The gearbox gear shaft based weld inspection mechanism of claim 5, wherein: The bottom of the second mounting frame (305) is fixedly connected with the detector bottom plate (4), and the outer surface of the detector bottom plate (4) is connected with the ultrasonic probe (6) through the ultrasonic generator (5).

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