Nondestructive testing device for welding quality of steel structure

Abstract

The utility model relates to a nondestructive testing device for welding quality of a steel structure, which belongs to the technical field of welding quality detection of the steel structure and comprises a detection box, an ultrasonic flaw detector, a detection fixing device and a moving component, an inlet and an outlet are formed in the side edge of the detection box, the ultrasonic flaw detector is arranged at the top in the detection box, and the moving component is mounted at the bottom in the detection box. A detection fixing device is mounted on the moving assembly, a moving motor is mounted outside the detection box, the moving motor is connected to a screw rod arranged at the bottom in the detection box, a connecting moving seat is connected to the screw rod, the bottom of a base bracket is connected to the connecting moving seat, and the base bracket is fixedly connected with a sealing cover; according to the utility model, automation and precision of detection are realized, manual turn-over is not needed, the detection angle can be rapidly switched, omnibearing detection is realized, the detection efficiency and reliability are effectively improved, accurate transmission ensures that the position of a workpiece is stable after turn-over, and a detection blind area is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure welding quality detection technical field, concretely relates to a steel structure welding quality nondestructive testing device. BACKGROUND

[0002] In the steel structure manufacturing and installation process, welding quality directly influences the safety and reliability of structure, therefore nondestructive testing is the key link, traditional detection mode depends on manual ultrasonic flaw detection equipment point -by -point detection, and there are problems such as low detection efficiency, great labor intensity, single detection angle, cannot satisfy the automatic detection needs of large -scale industrial production. The existing welding detection method is many, and can be divided into: destructive detection, nondestructive testing, nondestructive testing etc., and nondestructive testing includes ray flaw detection, ultrasonic flaw detection, magnetic flaw detection, penetration flaw detection etc. The existing welding nondestructive testing is inconvenient when turning over during detecting track welding plate. In the prior art, part of detection device realizes workpiece fixation and probe movement through mechanical structure, but generally has the following deficiencies: first, the workpiece fixing mechanism has poor adaptability, is difficult to compatible with different specifications of steel structure welding, and the workpiece surface is easy to be damaged due to rigid contact in clamping process, second, the control precision of detection probe's moving track is insufficient, cannot realize omnidirectional, multi -angle scanning detection, and welding defects can be missed, third, the overall automation degree of device is low, and detection position and clamping state need to be frequently adjusted manually, and the detection process has poor coherence. Therefore, the utility model provides a steel structure welding quality nondestructive testing device to solve the deficiencies and shortcomings of prior art. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the deficiencies of prior art, and provides a steel structure welding quality nondestructive testing device.

[0004] The utility model adopts the technical scheme that:

[0005] A steel structure welding quality nondestructive testing device, including detection box, ultrasonic flaw detector, detection fixing device and mobile assembly, the detection box side is equipped with import and export, the detection box top is equipped with ultrasonic flaw detector, the detection box bottom is installed with mobile assembly, and the mobile assembly is installed with detection fixing device, the mobile assembly is composed of base support, sealing cover, mobile motor, lead screw and connecting mobile seat, the mobile motor is installed outside the detection box, the mobile motor is connected with the lead screw arranged in the bottom of the detection box, the lead screw is connected with the connecting mobile seat, the base support bottom is connected on the connecting mobile seat, and the base support is fixedly connected with the sealing cover.

[0006] Preferably, the detection fixing device comprises a fixing frame, a clamp, a moving seat, a sliding block, a rotating shaft seat, a clamping piece, a rotating motor and a hydraulic telescopic rod, the clamp is connected to the fixing frame through a rotating shaft, the moving seat is fixedly provided with the sliding block at the bottom, the sliding block is slidingly connected in a sliding groove of the base seat, the clamping piece is installed on the fixing frame through the rotating shaft seat, the rotating motor connected with the clamping piece is fixed on the fixing frame, and the fixing frame and the sealing cover are connected through the hydraulic telescopic rod.

[0007] Preferably, the clamping piece comprises a clamping seat, a threaded rod, a threaded seat, a clamping rod, a clamping block, a buffer spring and a rotating handle, the clamping seat is fixed on the rotating shaft seat, the threaded rod is fixedly installed on the clamping seat through a bearing, the threaded rod is oppositely threaded at both ends, the threaded seat is threadedly connected at both ends of the threaded rod, the clamping rod is fixedly installed on the threaded seat, the clamping rod and the clamping block are connected through the buffer spring, and the rotating handle is fixed at the top of the threaded rod.

[0008] Preferably, the sealing cover is provided with a bearing pulley at the bottom.

[0009] Preferably, a control panel is installed outside the detection box.

[0010] The detection device has the advantages that: the detection device realizes automation and precision, realizes efficient scanning through the moving assembly and the flaw detector, protects the workpiece through the flexible clamping of the detection fixing device, does not need manual manual turning, can quickly switch the detection angle, realizes omnibearing detection, effectively improves the detection efficiency and reliability, the precise transmission ensures the stability of the workpiece position after turning, avoids the detection blind area, and significantly improves the detection efficiency and operation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model discloses a structure schematic diagram.

[0012] Figure 2 The utility model discloses a use state diagram.

[0013] Figure 3 The utility model discloses a moving assembly structure schematic diagram.

[0014] Figure 4 The utility model discloses a detection fixing device structure schematic diagram.

[0015] Figure 5 The utility model discloses a clamping piece structure schematic diagram. DETAILED DESCRIPTION

[0016] The drawings are only used for illustrative description, and cannot be understood as a limitation to the patent; in order to better illustrate the embodiments, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0017] As shown in Figures 1-5 A steel structure welding quality nondestructive testing device, comprising a detection box 001, an ultrasonic flaw detector 002, a detection fixing device 003 and a moving assembly 004, the side of the detection box 001 is provided with an inlet and outlet 110, the top of the detection box 001 is provided with the ultrasonic flaw detector 002, the bottom of the detection box 001 is provided with the moving assembly 004, the moving assembly 004 is provided with the detection fixing device 003, the moving assembly 004 is composed of a base holder 410, a sealing cover 420, a moving motor 430, a lead screw 440 and a connecting moving seat 450, the moving motor 430 is installed outside the detection box 001, the moving motor 430 is connected with the lead screw 440 arranged at the bottom of the detection box 001, the lead screw 440 is connected with the connecting moving seat 450, the bottom of the base holder 410 is connected with the connecting moving seat 450, and the base holder 410 is fixedly connected with the sealing cover 420.

[0018] The further optimization of the scheme is as follows: Figures 1-5 As shown in The detection fixing device 003 comprises a fixing frame 310, a clamp 320, a moving seat 330, a sliding block 340, a rotating shaft seat 350, a clamping piece 360, a rotating motor 370 and a hydraulic telescopic rod 380, the clamp 320 is connected with the fixing frame 310 through a rotating shaft, the moving seat 330 is fixedly provided with the sliding block 340 at the bottom, the sliding block 340 is slidingly connected in a sliding groove 411 of the base holder 410, the clamping piece 360 is installed on the fixing frame 310 through the rotating shaft seat 350, the rotating motor 370 connected with the clamping piece 360 is fixedly arranged on the fixing frame 310, and the fixing frame 310 and the sealing cover 420 are connected through the hydraulic telescopic rod 380.

[0019] The further optimization of the scheme is as follows: Figures 1-5As shown, the clamping piece 360 is composed of a clamping seat 361, a threaded rod 362, a threaded seat 363, a clamping rod 364, a clamping block 365, a buffer spring 366 and a rotating handle 367, the clamping seat 361 is fixed on the rotating shaft seat 350, the threaded rod 362 is fixedly installed on the clamping seat 361 through a bearing, the threaded rod 362 is oppositely threaded at both ends, the threaded seat 363 is threadedly connected at both ends of the threaded rod 362, the clamping rod 364 is fixedly installed on the threaded seat 363, the clamping rod 364 is connected with the clamping block 365 through the buffer spring 366, the buffer spring 366 provides elastic buffering to avoid damage to the workpiece surface due to excessive clamping force, and is suitable for steel structure welding pieces of different thicknesses; the rotating handle 367 is fixed at the top of the threaded rod 362, the rotating handle 367 drives the threaded rod 362 to rotate, because the threaded rod 362 is oppositely threaded at both ends, the threaded seats 363 on both sides move synchronously towards the center or the outside, driving the clamping rod 364 and the clamping block 365 to clamp or loosen the workpiece.

[0020] Further optimization of the scheme is as follows: Figures 1-5 As shown, the sealing cover 420 is provided with a bearing pulley 421 at the bottom, and the base seat 410 is moved out of the detection box 001, and the bearing pulley 421 is used for movement and support.

[0021] Further optimization of the scheme is as follows: Figures 1-5 As shown, the control panel 005 is installed on the outside of the detection box 001, the control panel 005 can control the rotating motor 370 and the moving motor 430, the control panel 005 can control the hydraulic telescopic rod 380 to adjust the length of the telescopic rod, and the control panel 005 can control the distance between the clamping piece 360 and the clamp 320 to adapt to different lengths of the to-be-detected object.

[0022] In the drawings, the positional relationship is only used for example description and cannot be understood as a limitation of the patent; obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A non-destructive testing device for weld quality of steel structures, characterized in that: Including detection box (001), ultrasonic flaw detector (002), detection fixed device (003) and mobile assembly (004), the detection box (001) side is provided with inlet and outlet (110), the detection box (001) top is provided with the ultrasonic flaw detector (002), the detection box (001) bottom is installed with the mobile assembly (004), the mobile assembly (004) is installed with the detection fixed device (003), the mobile assembly (004) is composed of base holder (410), sealing cover (420), mobile motor (430), screw rod (440) and connecting mobile seat (450), the mobile motor (430) is installed outside the detection box (001), the mobile motor (430) is connected with the screw rod (440) arranged in the bottom of the detection box (001), the screw rod (440) is connected with the connecting mobile seat (450), the base holder (410) bottom is connected with the connecting mobile seat (450), and the base holder (410) is fixedly connected with the sealing cover (420).

2. The apparatus for non-destructive testing of the welding quality of steel structures according to claim 1, characterized in that: The detection fixed device (003) includes fixed frame (310), clamp (320), mobile seat (330), sliding block (340), pivot base (350), clamping piece (360), rotary motor (370) and hydraulic telescopic rod (380), the fixed frame (310) is connected with the clamp (320) through the pivot, the mobile seat (330) bottom is fixedly provided with the sliding block (340), the sliding block (340) is slidably connected in the sliding groove (411) of the base holder (410), the fixed frame (310) is provided with the clamping piece (360) through the pivot base (350), the fixed frame (310) is fixedly provided with the rotary motor (370) connected with the clamping piece (360), and the fixed frame (310) and the sealing cover (420) are connected through the hydraulic telescopic rod (380).

3. The apparatus for non-destructive testing of the welding quality of steel structures according to claim 2, characterized in that: The clamping piece (360) is composed of clamping seat (361), threaded rod (362), threaded seat (363), clamping rod (364), clamping block (365), buffer spring (366) and rotary handle (367), the clamping seat (361) is fixed on the pivot base (350), the clamping seat (361) is provided with the threaded rod (362) fixedly installed through the bearing, the threaded rod (362) is oppositely provided with threads at both ends, the threaded rod (362) is provided with the threaded seat (363) at both ends, the threaded seat (363) is fixedly installed with the clamping rod (364), the clamping rod (364) and the clamping block (365) are connected through the buffer spring (366), and the threaded rod (362) top is fixedly provided with the rotary handle (367).

4. The apparatus for non-destructive testing of the welding quality of steel structures according to claim 1, characterized in that: The sealing cover (420) bottom is installed with a bearing pulley (421).

5. The apparatus for non-destructive testing of the welding quality of steel structures according to claim 1, characterized in that: The detection box (001) outside is installed with a control panel (005).

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