Steel construction welding seam device of detecting a flaw
Technical Field
The utility model relates to the technical field of welding seam detection equipment, in particular to a steel structure welding seam flaw detection device.
Background
The ultrasonic flaw detector is a portable industrial nondestructive flaw detector capable of fast, convenient, damage-free and accurate detection, positioning, evaluation and diagnosis of various defects in a workpiece, such as cracks, inclusions, folding, air holes, sand holes and the like, and the ultrasonic flaw detection utilizes the characteristics that ultrasonic energy penetrates into the deep part of a metal material and is reflected at the boundary edge when one section enters the other section to detect the defects of the part, and when ultrasonic beams are led into the metal from the surface of the part to the inside of the part from a probe, reflected waves respectively occur when the defects and the bottom surface of the part are encountered, a pulse waveform diagram is formed on a fluorescent screen, and a worker can judge the positions and the sizes of the defects according to the pulse waveforms.
Publication number CN217717617U discloses a steel construction welding seam nondestructive test device, including operation panel and steel construction clamping cylinder, the inboard of steel construction clamping cylinder is equipped with and is used for carrying out the fixed positioning mechanism of clamp to tubular steel, the top of operation panel is equipped with the adjustment mechanism who is used for adjusting tubular steel position. According to the utility model, through the arrangement of the positioning mechanism, the upper clamping plate is matched with the lower clamping plate to clamp and fix the tubular steel, the ultrasonic probe is driven to rotate around the welding seam of the tubular steel by rotating the ferrule, so that the welding seam of the tubular steel is detected, the tubular steel is not required to be supported manually to be detected, the defect detection process and accuracy are avoided, through the arrangement of the adjusting mechanism, the screw rod is rotated, the moving block is driven to move on the screw rod, the steel structure clamping cylinder is driven to move, the clamped tubular steel is conveyed into the defect detection cylinder to be detected, and the detection of the welding seam of the tubular steel is facilitated. However, the prior art still has the disadvantages:
According to the nondestructive inspection device for the steel structure weld joint in the prior art, through the arrangement of the adjusting mechanism, the screw rod can be rotated to drive the moving block to move on the screw rod, and then the steel structure clamping cylinder is driven to move, and although the clamped tubular steel can be conveyed into the inside of the inspection cylinder for detection, the steel inside the device can only be detected, and the formed complex steel structure and the weld joint in the forming process thereof cannot be effectively detected. These limitations make it limited in practical use and do not meet the overall detection requirements for the quality of steel structure welds under various conditions.
Disclosure of utility model
The technical problem to be solved by the utility model is to overcome the defects and provide a steel structure weld joint flaw detection device.
In order to solve the technical problems, the technical scheme provided by the utility model is that the steel structure weld joint flaw detection device comprises:
the middle part of the front end of the fixed box is provided with a placing groove;
the fixing ring is inserted into the fixing box;
The adjusting assembly is arranged in the fixed box and comprises a worm wheel ring, a worm and an adjusting disc, the worm wheel ring is fixedly connected to the outer side of the fixed ring, the worm is meshed with the upper end of the worm wheel ring, both ends of the worm extend to the outer side of the fixed box, the joint of the worm and the fixed box is rotationally connected through a bearing, and the two adjusting discs are respectively and fixedly connected to both ends of the worm;
the limiting assembly is arranged at the front side and the rear side of the inside of the fixed box;
The protection frame is fixedly connected to the front side and the rear side of the fixed box and is C-shaped;
the fixing component is arranged inside the protection frame;
The ultrasonic probes are fixedly connected to the lower ends of the two sides inside the fixing ring.
As an improvement, the limit assembly includes:
The limiting grooves are formed in the front side and the rear side of the fixing ring;
The limiting ring is inserted into the limiting groove and fixedly connected to the front side and the rear side of the inside of the fixed box.
As an improvement, the fixing assembly includes:
The electric telescopic rods are fixedly connected to the lower ends of two sides and the upper end of the inside of the protection frame;
and the clamping plate is fixedly connected to one side, close to each other, of the electric telescopic rod.
As an improvement, the two sides of the lower end of the protection frame are fixedly connected with travelling wheels.
As an improvement, the fixed ring, the worm wheel ring and the limiting ring are all semicircular.
Compared with the prior art, the utility model has the advantages that:
1. When the ultrasonic probe fixing device is used, the device is fixed on the outer side of a steel structure through the fixing component, the ultrasonic probe is aligned to a welding line, then the adjusting disk is rotated, the ultrasonic probe is driven to move under the limit of the limiting component through the meshing control fixing ring of the worm and the worm wheel ring, the welding line is detected, the position of the ultrasonic probe can be accurately controlled through the cooperation of the worm wheel ring and the worm, the position of the ultrasonic probe can be stably fixed through the self-locking of the worm wheel ring and the worm, and the detection accuracy is improved.
2. When the device is used, the device is fixed on the outer side of the steel structure through the fixing component, and the formed steel structure and the non-formed steel structure component can be detected by welding seams, so that the applicability of the device is improved, and the comprehensive detection requirement on the quality of the welding seams of the steel structure under various working conditions is met
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a cross-sectional view of the stationary box of the present utility model.
Fig. 4 is a schematic view of the securing assembly of the present utility model.
Fig. 5 is a schematic view of an adjustment assembly of the present utility model.
Fig. 6 is a schematic view of a spacing assembly of the present utility model.
Fig. 7 is a schematic view of the retaining ring of the present utility model.
Fig. 8 is a schematic representation of the utility model in use.
The device is shown as a figure, wherein the device comprises a fixing box 1, a placing groove 11, a fixing ring 2, a fixing ring 3, an adjusting component 31, a worm wheel ring 32, a worm 33, an adjusting disk 4, a limiting component 41, a limiting groove 42, a limiting ring 5, a protection frame 6, a fixing component 61, an electric telescopic rod 62, a clamping plate 7, an ultrasonic probe 8 and a travelling wheel.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
As shown in fig. 1 to 8, this embodiment provides a steel structure weld joint flaw detection device, including fixed box 1, standing groove 11, solid fixed ring 2, adjusting part 3, spacing subassembly 4, protection frame 5, fixed subassembly 6 and ultrasonic probe 7, standing groove 11 for placing the steel structure has been seted up at the front end middle part of fixed box 1, standing groove 11 runs through fixed box 1, has pegged graft solid fixed ring 2 in fixed box 1 inside, has fixedly connected with ultrasonic probe 7 for detecting a flaw to the weld joint at the inside both sides lower extreme of solid fixed ring 2, has installed at fixed box 1 internally and has been used for controlling the adjusting part 3 of the different flaw positions of ultrasonic probe 7, has all installed spacing subassembly 4 that are used for keeping stability when ultrasonic probe 7 remove at fixed box 1 inside front and back side, has all fixedly connected with the protection frame 5 that is used for installing fixed subassembly 6 at fixed box 1 front and back side, and protection frame 5 is the C font, has installed at the inside of protection frame 5 and is used for being fixed in the device outside the steel structure.
The adjusting assembly 3 comprises a worm wheel ring 31, a worm 32 and an adjusting disc 33, wherein the worm wheel ring 31 for controlling different flaw detection positions of the ultrasonic probe 7 is fixedly connected to the outer side of the fixed ring 2, the worm 32 for driving the worm wheel ring 31 to rotate is meshed to the upper end of the worm wheel ring 31, two ends of the worm 32 extend to the outer side of the fixed box 1, the connecting positions of the worm 32 and the fixed box 1 are rotatably connected through bearings, and the adjusting disc 33 which is convenient for rotating the worm 32 is fixedly connected to two ends of the worm 32.
The limiting assembly 4 comprises a limiting groove 41 and a limiting ring 42, the front side and the rear side of the fixed ring 2 are provided with annular limiting grooves 41 used for keeping the ultrasonic probe 7 stable during movement, the limiting rings 42 used for keeping the ultrasonic probe 7 stable during movement are inserted into the limiting grooves 41, and the limiting rings 42 are fixedly connected to the front side and the rear side of the inner part of the fixed box 1.
The fixing assembly 6 comprises an electric telescopic rod 61 and a clamping plate 62, wherein the electric telescopic rod 61 used for fixing the device on the outer side of the steel structure is fixedly connected to the lower end of two sides and the upper end of the inner portion of the protection frame 5, and the clamping plate 62 used for enlarging the contact area of the electric telescopic rod 61 and the steel structure is fixedly connected to one side, close to each other, of the electric telescopic rod 61.
The two sides of the lower end of the protection frame 5 are fixedly connected with walking wheels 8 for supporting the device.
The fixing ring 2, the worm wheel ring 31 and the limiting ring 42 are all semicircular.
The electric telescopic rod 61 and the ultrasonic probe 7 belong to the prior art, and are operated by controlling the computer system, and are not described in detail herein.
When the ultrasonic welding device is used, the device is fixed on the outer side of a steel structure through the fixing assembly 6, the ultrasonic probe 7 is aligned to a welding line, the adjusting disk 33 is rotated, the fixing ring 2 is controlled to rotate under the limit of the limiting assembly 4 through engagement of the worm 32 and the worm wheel ring 31, the ultrasonic probe 7 is driven to move, and the welding line is detected.
The electrical components are all connected with an external main controller and 220V mains supply, the main controller can be conventional known equipment for controlling a computer and the like, detailed description of known functions and known components is omitted in the specific embodiment of the disclosure, and the adopted operation means are consistent with the parameters of the instruments on the market in order to ensure the compatibility of the equipment.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.