Weathering resistant steel welding head ultrasonic detection device

Abstract

The utility model relates to a weathering resistant steel welding head ultrasonic detection device, which comprises a bottom plate, the top of the bottom plate is provided with a quality detection mechanism, the quality detection mechanism comprises a fixing frame fixedly connected with the top of the bottom plate, the top of the bottom plate is fixedly provided with a bearing platform, the inner top wall of the fixing frame is fixedly provided with an electric push rod, and the inner top wall of the bearing platform is fixedly provided with an electric push rod. A movable plate is fixedly mounted on an output shaft of the electric push rod, a mounting frame is fixedly mounted on the top of the bottom plate, and a motor is fixedly mounted on the top of the mounting frame. According to the ultrasonic detection device for the weathering resistant steel welding head, through the arranged quality detection mechanism, a driving roller is used for transporting the steel welding head, hardness quality detection is conducted on the steel welding head through the action of an electric push rod and a stamping block, and a detector body is driven by a motor and a movable rod to conduct movable ultrasonic detection; and the production quality of the steel welding head is conveniently improved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel welding quality detection, in particular to an ultrasonic detection device for weathering steel welding joints. Background Art

[0002] Weathering steel, that is, atmospheric corrosion resistant steel, is a low-alloy steel series between ordinary steel and stainless steel. Weathering steel is made of ordinary carbon steel with a small amount of corrosion-resistant elements such as copper and nickel added. It has the characteristics of strength, plasticity, forming, welding, abrasion, high temperature and fatigue resistance of high-quality steel; its weather resistance is 2 to 8 times that of ordinary carbon steel, and its paintability is 1.5 to 10 times that of ordinary carbon steel. At the same time, it is rust-resistant, makes components corrosion-resistant and prolongs life, reduces thinning and reduces consumption, saves labor and energy. Weathering steel is mainly used for steel structures that are exposed to the atmosphere for a long time, such as railways, vehicles, bridges, towers, photovoltaics, and high-speed projects.

[0003] Please refer to a weathering steel flip welding device disclosed in announcement number CN214978409U, in which it is proposed that "it includes a bracket and a conveying frame, the bracket is provided with a main roller gear and a slave roller gear that are symmetrical to each other, a rotating gear ring is placed on the main roller gear and the slave roller gear and meshes with each other, an upper lifting cylinder and a lower lifting cylinder are respectively arranged on the rotating gear ring, an upper welding head is arranged on the upper lifting cylinder, and a lower welding head is arranged on the lower lifting cylinder, the conveying frame passes through the rotating gear ring, and the weathering steel is placed on the conveying frame, which can ensure that the weathering steel can be flipped and welded during the transportation of the weathering steel, ensure continuous production, reduce the conversion work time between different welding processes, and greatly improve the production and processing efficiency."

[0004] However, the above solution still has the following problems: the device does not have quality detection structures such as strength detection. The human eye cannot observe the internal welding conditions, which makes the probability of error very high and the efficiency is also very low. Therefore, we proposed another technical solution to solve it. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides an ultrasonic detection device for weathering steel welded joints, which has the advantages of convenient adjustment and detection, and solves the problem that the device has no quality detection structure such as strength detection, and the human eye cannot observe the internal welding conditions, which makes the probability of error in judgment very high and the efficiency very low.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultrasonic detection device for a weathering steel welded joint, comprising a bottom plate, a quality detection mechanism is arranged on the top of the bottom plate;

[0007] The quality inspection mechanism comprises a fixing frame fixedly connected to the top of the bottom plate, a bearing platform is fixedly installed on the top of the bottom plate, an electric push rod is fixedly installed on the inner top wall of the fixing frame, a movable plate is fixedly installed on the output shaft of the electric push rod, a mounting frame is fixedly installed on the top of the bottom plate, a motor is fixedly installed on the top of the mounting frame, a fixing plate is fixedly installed on the top of the mounting frame, a threaded rod is rotatably connected between the output shaft of the motor and the fixing plate, and a movable rod is threadedly connected on the outer side of the threaded rod;

[0008] The quality detection mechanism also includes a detector body fixedly connected to the bottom of the movable rod, and a rotating roller is fixedly installed on the top of the bottom plate.

[0009] Furthermore, the inner walls on both the front and rear sides of the fixing frame are provided with sliding grooves, and the movable plate is slidably connected to the fixing frame through the sliding grooves.

[0010] Furthermore, a stamping block is fixedly installed at the bottom of the movable plate, and the bearing platform corresponds vertically to the stamping block.

[0011] Furthermore, a thread groove is provided inside the movable rod, and the movable rod is threadably connected to the threaded rod via the thread groove.

[0012] Furthermore, a limiting groove is provided on the top of the mounting frame, and the movable rod is slidably connected to the mounting frame through the limiting groove.

[0013] Furthermore, a driving roller is arranged on the top of the bottom plate, and the driving roller corresponds to the position of the supporting platform and the rotating roller.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The weathering steel weld joint ultrasonic detection device, through the set quality detection mechanism, uses the driving roller to transport the steel weld joint, performs hardness quality detection on the steel weld joint through the action of the electric push rod and the punching block, and uses the motor and the movable rod to drive the detector body to perform mobile ultrasonic detection, which is convenient for improving the production quality of the steel weld joint and helps to improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0017] Figure 2 It is the right view of the structure of the utility model.

[0018] In the figure: 1, bottom plate; 2, fixed frame; 3, bearing platform; 5, electric push rod; 6, movable plate; 7, mounting frame; 8, motor; 9, fixed plate; 10, threaded rod; 11, movable rod; 12, detector body; 13, rotating roller; 14, driving roller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 , an ultrasonic detection device for a weathering steel weld joint in this embodiment includes a base plate 1, and a quality detection mechanism is arranged on the top of the base plate 1.

[0021] In this embodiment, the quality inspection mechanism includes a fixed frame 2 fixedly connected to the top of the base plate 1, a bearing platform 3 is fixedly installed on the top of the base plate 1, an electric push rod 5 is fixedly installed on the inner top wall of the fixed frame 2, a movable plate 6 is fixedly installed on the output shaft of the electric push rod 5, and a stamping block is fixedly installed on the bottom of the movable plate 6. The bearing platform 3 is vertically corresponding to the stamping block, which is convenient for impacting the steel welding joint.

[0022] Among them, the inner walls on the front and rear sides of the fixed frame 2 are provided with sliding grooves, and the movable plate 6 is slidably connected to the fixed frame 2 through the sliding grooves, so as to facilitate the limited movement of the movable plate 6. A mounting frame 7 is fixedly installed on the top of the bottom plate 1, and a motor 8 is fixedly installed on the top of the mounting frame 7. A fixed plate 9 is fixedly installed on the top of the mounting frame 7, and a threaded rod 10 is rotatably connected between the output shaft of the motor 8 and the fixed plate 9.

[0023] In this embodiment, the outer side of the threaded rod 10 is threadedly connected to the movable rod 11, and a threaded groove is provided inside the movable rod 11. The movable rod 11 is threadedly connected to the threaded rod 10 through the threaded groove, which facilitates the movement of the movable rod 11. A limiting groove is provided on the top of the mounting frame 7. The movable rod 11 is slidably connected to the mounting frame 7 through the limiting groove, which facilitates the limiting of the movable rod 11.

[0024] Among them, the quality inspection mechanism also includes a detector body 12 fixedly connected to the bottom of the movable rod 11, a rotating roller 13 is fixedly installed on the top of the base plate 1, and a driving roller 14 is arranged on the top of the base plate 1. The driving roller 14 corresponds to the position of the supporting platform 3 and the rotating roller 13, which facilitates assembly line inspection and helps to improve efficiency.

[0025] It should be noted that the ultrasonic detection device for weathering steel welded joints, through the quality detection mechanism set up, uses the driving roller 14 to transport the steel welded joints, and performs hardness quality detection on the steel welded joints through the action of the electric push rod 5 and the punching block. The detector body 12 is driven by the motor 8 and the movable rod 11 to perform mobile ultrasonic detection, which facilitates the improvement of the production quality of the steel welded joints and helps to improve the practicability of the device.

[0026] The working principle of the above embodiment is:

[0027] When using the weathering steel welding head ultrasonic detection device, the steel welding head is first placed inside the driving roller 14 for transportation, and then the electric push rod 5 is started when passing through the fixed frame 2. The electric push rod 5 drives the movable plate 6 and the punching block to move downward, and impacts the steel welding head on the bearing platform 3, so as to detect the welding quality. Then, through the mounting frame 7, the rotating roller 13 is started to drive the steel welding head to rotate, and then the detector body 12 is started. The detector body 12 starts to perform ultrasonic scanning on the steel welding head, and the motor 8 is started. The motor 8 drives the threaded rod 10, and the movable rod 11 outside the threaded rod 10 starts to move, and drives the detector body 12 to move left and right, so as to facilitate all-round scanning of the steel welding head and screen the steel welding heads with poor quality, so as to facilitate improving the production quality of the steel welding heads and help improve the practicality of the device.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic detection device for a weathering steel weld joint, comprising a base plate (1), characterized in that: A quality detection mechanism is provided on the top of the bottom plate (1); The quality inspection mechanism comprises a fixing frame (2) fixedly connected to the top of the base plate (1), a bearing platform (3) fixedly installed on the top of the base plate (1), an electric push rod (5) fixedly installed on the inner top wall of the fixing frame (2), a movable plate (6) fixedly installed on the output shaft of the electric push rod (5), a mounting frame (7) fixedly installed on the top of the base plate (1), a motor (8) fixedly installed on the top of the mounting frame (7), a fixing plate (9) fixedly installed on the top of the mounting frame (7), a threaded rod (10) rotatably connected between the output shaft of the motor (8) and the fixing plate (9), and a movable rod (11) is threadedly connected on the outer side of the threaded rod (10); The quality detection mechanism also includes a detector body (12) fixedly connected to the bottom of the movable rod (11), and a rotating roller (13) is fixedly installed on the top of the bottom plate (1).

2. The ultrasonic detection device for weathering steel welded joints according to claim 1, characterized in that: The inner walls on both the front and rear sides of the fixing frame (2) are provided with sliding grooves, and the movable plate (6) is slidably connected to the fixing frame (2) via the sliding grooves.

3. The ultrasonic detection device for weathering steel welded joints according to claim 1, characterized in that: A punching block is fixedly mounted on the bottom of the movable plate (6), and the bearing platform (3) corresponds vertically to the punching block.

4. The ultrasonic detection device for weathering steel welded joints according to claim 1, characterized in that: A thread groove is provided inside the movable rod (11), and the movable rod (11) is threadably connected to the threaded rod (10) via the thread groove.

5. The ultrasonic detection device for weathering steel welded joints according to claim 1, characterized in that: A limiting groove is provided on the top of the mounting frame (7), and the movable rod (11) is slidably connected to the mounting frame (7) via the limiting groove.

6. The ultrasonic detection device for weathering steel welded joints according to claim 1, characterized in that: A driving roller (14) is arranged on the top of the bottom plate (1), and the driving roller (14) corresponds in position to the supporting platform (3) and the rotating roller (13).

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