Steel structure welding seam flaw detection device

Abstract

The utility model discloses a steel structure welding seam flaw detection device, which comprises a fixing box, a placing groove, a fixing ring, an adjusting assembly, a limiting assembly, a protection frame, a fixing assembly and an ultrasonic probe, the placing groove for placing a steel structure is arranged in the middle of the front end of the fixing box, the placing groove penetrates through the fixing box, and the fixing ring is inserted in the fixing box. Ultrasonic probes are fixedly connected to the lower ends of the two sides in the fixing ring, an adjusting assembly is installed in the fixing box, limiting assemblies used for keeping the ultrasonic probes stable during moving are installed on the front side and the rear side in the fixing box correspondingly, and C-shaped protection frames used for installing the fixing assemblies are fixedly connected to the front side and the rear side of the fixing box correspondingly; a fixing assembly used for fixing the device to the outside of the steel structure is installed in the protection frame. The device has the advantages that the applicability of the device is improved, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a welding seam detection equipment technical field, specifically point to a kind of steel structure welding seam flaw detection device. BACKGROUND

[0002] Ultrasonic flaw detector is a kind of portable industrial nondestructive testing instrument, it can be fast, convenient, noninjury, accurately to the internal defects of workpiece, such as crack, inclusion, folding, porosity, pinhole etc. are detected, positioning, evaluation and diagnosis;Ultrasonic flaw detection uses the characteristics that ultrasonic energy can penetrate into the deep of metal material, and when it enters another section from a section, reflection occurs at the interface edge, a method for checking part defects, when ultrasonic beam from part surface by probe to metal interior, meet defect and part bottom respectively occur reflection wave, form pulse waveform diagram on fluorescent screen, and staff can judge defect position and size according to these pulse waveforms.

[0003] The utility model discloses a kind of steel structure welding seam nondestructive testing device, including operation table and steel structure clamping cylinder, the inner side of the steel structure clamping cylinder is equipped with the positioning mechanism for clamping and fixing tubular steel, the top of the operation table is equipped with the adjusting mechanism for adjusting the position of tubular steel.The utility model can be clamped and fixed to tubular steel by the cooperation of upper clamping plate and lower clamping plate by the setting of positioning mechanism, rotate ultrasonic probe around the welding seam of tubular steel by rotating sleeve ring, and then detect the welding seam of tubular steel, without manually holding tubular steel for detection, avoid affecting the process and accuracy of flaw detection, by the setting of adjusting mechanism, mobile block can be moved on screw rod by rotating screw rod, and then steel structure clamping cylinder is moved, and then tubular steel clamped is sent into the inside of flaw detection cylinder for detection, convenient for the detection of tubular steel welding seam.But the prior art still has shortcomings:

[0004] The steel structure welding seam nondestructive testing device of prior art can send the clamped tubular steel into the inside of flaw detection cylinder for detection by the setting of adjusting mechanism, the movement of mobile block on screw rod and the movement of steel structure clamping cylinder, but only the steel inside the device can be detected, and the welding seam of complex steel structure and its forming process cannot be effectively detected. These limitations limit its actual use, and cannot meet the comprehensive detection needs of steel structure welding seam quality under various working conditions. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the above defects, and provide a steel structure welding seam flaw detection device.

[0006] To solve the above technical problems, the utility model provides a technical scheme that a steel structure welding seam flaw detection device comprises:

[0007] The fixed box is provided with a placing groove in the middle of the front end;

[0008] The fixed ring is inserted into the inside of the fixed box;

[0009] The adjusting assembly is arranged in the inside of the fixed box, and comprises a worm wheel ring, a worm and two adjusting discs, the worm wheel ring is fixedly connected to the outside of the fixed ring, the worm is engaged with the upper end of the worm wheel ring, the worm extends to the outside of the fixed box at both ends, the worm and the fixed box are rotationally connected through a bearing at the connecting position, and the two adjusting discs are fixedly connected to both ends of the worm respectively;

[0010] The limiting assembly is arranged on the front and back sides of the inside of the fixed box;

[0011] The protection frame is fixedly connected to the front and back sides of the fixed box, and the protection frame is C-shaped;

[0012] The fixing assembly is arranged in the inside of the protection frame;

[0013] The ultrasonic probe is fixedly connected to the lower ends of both sides of the inside of the fixed ring.

[0014] As an improvement, the limiting assembly comprises:

[0015] The limiting groove is arranged on the front and back sides of the fixed ring;

[0016] The limiting ring is inserted into the inside of the limiting groove, and the limiting ring is fixedly connected to the front and back sides of the inside of the fixed box.

[0017] As an improvement, the fixing assembly comprises:

[0018] The electric telescopic rod is fixedly connected to the lower ends and the upper ends of the inside of the protection frame;

[0019] The clamping plate is fixedly connected to the side, which is close to each other, of the electric telescopic rod.

[0020] As an improvement, the lower ends of both sides of the protection frame are fixedly connected with traveling wheels.

[0021] As an improvement, the fixed ring, the worm wheel ring and the limiting ring are all semicircular.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] 1. The utility model discloses a fixing assembly is fixed to the outside of steel structure through fixed assembly and aligns ultrasonic flaw detector to the weld, and then rotates the adjusting disc, controls the rotation of fixed ring under the restriction of limiting assembly through the meshing of worm and worm wheel ring, drives ultrasonic flaw detector to move, detects the weld, can accurate control the position of ultrasonic flaw detector through the cooperation of worm wheel ring and worm, and can stably fix the position of ultrasonic flaw detector through the self -locking of worm wheel ring and worm, improve the accuracy of detection.

[0024] 2. The utility model discloses a fixing assembly is fixed to the outside of steel structure through fixed assembly and can detect the weld of the steel structure component that has formed and has not formed, improves the applicability of device, satisfies the comprehensive detection demand of steel structure weld quality under a variety of working conditions ACCURACY

[0025] Figure 1 It is the perspective drawing of the utility model.

[0026] Figure 2 It is the sectional view of the utility model.

[0027] Figure 3 It is the sectional view of the fixed box of the utility model.

[0028] Figure 4 It is the schematic view of the fixed assembly of the utility model.

[0029] Figure 5 It is the schematic view of the adjusting assembly of the utility model.

[0030] Figure 6 It is the schematic view of the limiting assembly of the utility model.

[0031] Figure 7 It is the schematic view of the fixed ring of the utility model.

[0032] Figure 8 It is the schematic view of the utility model in use.

[0033] As shown in the drawing: 1, fixed box, 11, place groove, 2, fixed ring, 3, adjusting assembly, 31, worm wheel ring, 32, worm, 33, adjusting disc, 4, limiting assembly, 41, limiting groove, 42, limiting ring, 5, protection frame, 6, fixed assembly, 61, electric telescopic rod, 62, clamping plate, 7, ultrasonic flaw detector, 8, walking wheel. DETAILED DESCRIPTION

[0034] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses consistent with some aspects of this disclosure as detailed in the appended claims.

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0036] Example 1:

[0037] like Figures 1 to 8 As shown, this embodiment proposes a steel structure weld flaw detection device, including a fixed box 1, a placement groove 11, a fixing ring 2, an adjustment component 3, a limiting component 4, a protective frame 5, a fixing component 6, and an ultrasonic probe 7. The placement groove 11 for placing the steel structure is opened in the middle of the front end of the fixed box 1. The placement groove 11 penetrates the fixed box 1. The fixing ring 2 is inserted into the fixed box 1. The ultrasonic probe 7 for weld flaw detection is fixedly connected to the lower ends of both sides inside the fixing ring 2. The adjustment component 3 for controlling different flaw detection positions of the ultrasonic probe 7 is installed inside the fixed box 1. The limiting component 4 for keeping the ultrasonic probe 7 stable when moving is installed on both the front and rear sides inside the fixed box 1. The protective frame 5 for installing the fixing component 6 is fixedly connected to both the front and rear sides of the fixed box 1. The protective frame 5 is C-shaped. The fixing component 6 for fixing the device to the outside of the steel structure is installed inside the protective frame 5.

[0038] The adjustment assembly 3 includes a worm gear ring 31, a worm 32, and an adjustment disc 33. The worm gear ring 31, which is used to control different flaw detection positions of the ultrasonic probe 7, is fixedly connected to the outside of the fixed ring 2. The worm 32, which is used to drive the rotation of the worm gear ring 31, is engaged at the upper end of the worm gear ring 31. Both ends of the worm 32 extend to the outside of the fixed box 1. The connection between the worm 32 and the fixed box 1 is rotatably connected by a bearing. An adjustment disc 33 is fixedly connected to both ends of the worm 32 to facilitate the rotation of the worm 32.

[0039] The limiting component 4 includes a limiting groove 41 and a limiting ring 42. The limiting groove 41 is formed on both the front and rear sides of the fixed ring 2 to keep the ultrasonic probe 7 stable when it moves. The limiting ring 42 is inserted into the limiting groove 41 to keep the ultrasonic probe 7 stable when it moves. The limiting ring 42 is fixedly connected to the front and rear sides of the inside of the fixed box 1.

[0040] The fixing assembly 6 comprises electric telescopic rods 61 and clamping plates 62, and the electric telescopic rods 61 are fixedly connected to the lower ends and the upper ends of the two sides inside the protection frame 5 and used for fixing the device to the outer side of the steel structure, and the clamping plates 62 are fixedly connected to the sides of the electric telescopic rods 61 close to each other and used for increasing the contact area of the electric telescopic rods 61 and the steel structure.

[0041] The walking wheels 8 are fixedly connected to the lower ends of the two sides of the protection frame 5 and used for supporting the device.

[0042] The fixing ring 2, the worm ring 31 and the limiting ring 42 are all semicircular.

[0043] The electric telescopic rods 61 and the ultrasonic probe 7 are prior art, and are operated by controlling a computer system, which are all prior art and will not be described here.

[0044] In use, the device is fixed to the outer side of the steel structure by the fixing assembly 6, and the ultrasonic probe 7 is aligned with the weld, then the adjusting disc 33 is rotated, the engagement of the worm 32 and the worm ring 31 controls the rotation of the fixing ring 2 under the limitation of the limiting assembly 4, and the ultrasonic probe 7 is driven to move to detect the weld.

[0045] The electrical elements in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer, and the detailed description of the known functions and known components is omitted in the specific embodiment of the disclosure, and in order to ensure the compatibility of the device, the operation means adopted is consistent with the parameters of the market appliances.

[0046] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel structure weld inspection apparatus, characterized by, Include: Fixed box (1), the fixed box (1) middle part of front end is provided with a placing groove (11); Fixed ring (2), the fixed ring (2) is inserted in the inside of fixed box (1); Adjusting assembly (3), the adjusting assembly (3) is arranged in the inside of fixed box (1), the adjusting assembly (3) includes worm wheel ring (31), worm (32) and adjusting disc (33), the worm wheel ring (31) is fixedly connected to the outside of fixed ring (2), the worm (32) is engaged on the upper end of worm wheel ring (31), the worm (32) both ends are extended to the outside of fixed box (1), the worm (32) and fixed box (1) connection place are rotatably connected through bearing, two adjusting disc (33) are fixedly connected to the both ends of worm (32) respectively; Limiting assembly (4), the limiting assembly (4) is arranged in the inside of fixed box (1) front and back sides; Protective frame (5), the protective frame (5) is fixedly connected to the front and back sides of fixed box (1), the protective frame (5) is C-shaped; Fixed assembly (6), the fixed assembly (6) is arranged in the inside of protective frame (5); Ultrasonic probe (7), the ultrasonic probe (7) is fixedly connected to the inside of fixed ring (2) both sides lower end.

2. A steel structure weld inspection apparatus according to claim 1, wherein The limiting assembly (4) includes: Limiting groove (41), the limiting groove (41) is opened in the front and back sides of fixed ring (2); Limiting ring (42), the limiting ring (42) is inserted in the inside of limiting groove (41), the limiting ring (42) is fixedly connected to the inside of fixed box (1) front and back sides.

3. A device for inspecting a weld of a steel structure according to claim 1, wherein The fixed assembly (6) includes: Electric telescopic rod (61), the electric telescopic rod (61) is fixedly connected to the inside of protective frame (5) both sides lower end and inside upper end; Clamp plate (62), the clamp plate (62) is fixedly connected to the side of electric telescopic rod (61) close to each other.

4. The apparatus for inspecting a weld of a steel structure according to claim 1, wherein The lower end of the protective frame (5) both sides is fixedly connected with walking wheel (8).

5. A device for inspecting a weld of a steel structure according to claim 1 or 2, characterized in that The fixed ring (2), worm wheel ring (31) and limiting ring (42) are all semicircular.

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