阅读说明：本技术 异型节管射线探伤升降结构及异型节管射线探伤机 (Abnormal shape festival pipe radiographic inspection elevation structure and abnormal shape festival pipe radiographic inspection machine ) 是由 吴鹤林 刘佳明 于 2019-11-11 设计创作，主要内容包括：本发明的一种异型节管射线探伤升降结构及异型节管射线探伤机,通过采用底座、回转台、升降架和夹紧装置,可以利用夹紧装置实现对异型节管的快速装夹定位,并利用回转台和底座可以实现对异型节管的位置360°自由调整,同时,利用升降柱和升降座及导轨和导块的结构设计,可以实现对夹紧装置上的异型节管行对探伤高度的快速调整。本发明的一种异型节管射线探伤升降结构,其结构简单,使用方便快捷,可以实现对异型节管的相对位置的快速调整和定位,可以有效提高其整体检测效率。(According to the special-shaped section tube radiographic inspection lifting structure and the special-shaped section tube radiographic inspection machine, the base, the rotary table, the lifting frame and the clamping device are adopted, the clamping device can be used for quickly clamping and positioning a special-shaped section tube, the rotary table and the base can be used for freely adjusting the position of the special-shaped section tube by 360 degrees, and meanwhile, the lifting column, the lifting seat, the guide rail and the guide block are structurally designed, so that the special-shaped section tube on the clamping device can be quickly adjusted in the inspection height. The special-shaped section pipe radiographic inspection lifting structure is simple in structure, convenient and fast to use, and capable of achieving fast adjustment and positioning of the relative position of the special-shaped section pipe and effectively improving the overall detection efficiency.)

1. The utility model provides a heterotypic festival pipe radiographic inspection elevation structure, its characterized in that, includes base, revolving platform, crane and clamping device, the revolving platform rotary type is installed on the base, the crane includes lift seat and lift post, the lift seat is installed on the revolving platform, be equipped with the guide rail on the lift seat, be equipped with on the lift post with guide rail complex guide block, just the lift seat facial make-up is equipped with drive arrangement, drive arrangement's end with the lift post links to each other, the lift capital portion has been installed clamping device.

2. The special-shaped section tube radiographic inspection lifting structure of claim 1, wherein the base is connected with the rotary table through a rotary bearing.

3. The special-shaped section tube radiographic inspection lifting structure of claim 1, wherein the driving device is a driving cylinder, and a telescopic rod of the driving cylinder is fixedly connected with the lifting column.

4. The special-shaped section tube radiographic inspection lifting structure of claim 1, wherein the driving device comprises a motor, a screw rod and a nut, the nut is fixed in the lifting column, the screw rod is connected with the nut, the screw rod is connected with an output shaft of the motor, and the motor is arranged in the lifting seat.

5. The special-shaped section tube radiographic inspection lifting structure as claimed in claim 1, wherein the clamping device comprises a first chuck and a second chuck, a central axis of the first chuck is perpendicular to a central axis of the second chuck, and the second chuck is mounted on the first chuck.

6. The special-shaped section tube radiographic inspection lifting structure of claim 5, wherein the first chuck is an electric chuck.

7. The radiographic inspection lifting structure for the special-shaped section pipes according to claim 1, wherein the rotary table is provided with a mounting slot, the mounting slot extends radially outwards with the lifting seat as a center, and the cross section of the mounting slot is in a T shape.

8. A special-shaped section tube radiographic inspection machine, which is characterized by comprising the special-shaped section tube radiographic inspection lifting structure according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of flaw detection equipment, in particular to a special-shaped section tube radiographic flaw detection lifting structure and a special-shaped section tube radiographic flaw detector.

Background

Tubular materials are widely used in actual industrial production, for example, seamless steel pipes, petroleum transportation pipelines, U-shaped steel pipes for ships and the like, and after running for a certain time, defects such as corrosion, fatigue cracks and the like may occur, which will affect the realization of the predetermined functions. The nondestructive testing technology is to directly test on a structure or drill a core sample in the structure under the condition of not damaging a structural member, detect the internal quality of the structure, estimate the strength and the quality defects of the structure, detect failure parts and reasons in advance or in time by using the nondestructive testing diagnosis technology, and adopt effective measures to avoid accidents.

The special-shaped pipe fitting is also widely applied to modern industrial production, including industrial departments such as energy, chemical industry, aerospace, war industry and the like. In order to ensure the product quality, the quality of the product is required to be ensured by detecting the product before use or in service, the defects of cracks, corrosion and the like on the inner wall surface of tubular materials with various sizes are required to be quantitatively detected, and the measurement precision and the resolution ratio of the product are required to be very high. Such as memory alloy pipe joints and boiler elbows, which are fasteners in aircraft, can cause catastrophic failure in the field if a problem cannot be detected in a timely manner. Moreover, the special-shaped pipe fittings are often welded, and the welding is easy to generate the situations of surface defects, volume defects and the like such as incomplete fusion of welding seams, cracks, incomplete penetration of welding and the like, so that how to detect the quality of the special-shaped connecting pipe becomes the key for ensuring the production quality of the special-shaped pipe fittings.

However, in the existing standard detection equipment, due to the relatively complex structure of the special-shaped pipe fitting, when the detection of the whole quality of the special-shaped pipe fitting needs to be completed, the special-shaped pipe fitting needs to be assembled and disassembled for many times, so that the detection efficiency is reduced, and the accuracy of the special-shaped pipe fitting is directly influenced if the clamping position is accurate.

Therefore, how to realize accurate and quick loading of the special-shaped pipe becomes a key technical problem of the accuracy and the high efficiency of the detection of the special-shaped pipe.

Disclosure of Invention

The invention provides a special-shaped section tube radiographic inspection lifting structure and a special-shaped section tube radiographic inspection machine, which are simple in structure, flexible to use and convenient to operate, control, assemble and disassemble, and aim to solve the technical problem that detection efficiency and precision are affected due to the complicated assembly and disassembly of a section tube during the conventional special-shaped connecting tube radiographic inspection.

According to one aspect of the invention, the special-shaped section tube radiographic inspection lifting structure comprises a base, a rotary table, a lifting frame and a clamping device, wherein the rotary table is rotatably arranged on the base, the lifting frame comprises a lifting seat and a lifting column, the lifting seat is arranged on the rotary table, a guide rail is arranged on the lifting seat, a guide block matched with the guide rail is arranged on the lifting column, a driving device is arranged on the lifting seat, the tail end of the driving device is connected with the lifting column, and the clamping device is arranged at the top of the lifting column.

On the basis of the scheme, the base is preferably connected with the rotary table through a rotary bearing.

On the basis of the scheme, preferably, the driving device is a driving cylinder, and a telescopic rod of the driving cylinder is fixedly connected with the lifting column.

On the basis of the scheme, the driving device comprises a motor, a screw rod and a nut, the nut is fixed in the lifting column, the screw rod is connected with the nut, the screw rod is connected with an output shaft of the motor, and the motor is arranged in the lifting seat.

On the basis of the scheme, the clamping device comprises a first chuck and a second chuck, the central axis of the first chuck is perpendicular to the central axis of the second chuck, and the second chuck is arranged on the first chuck.

Preferably on the basis of the scheme, the first chuck is an electric chuck, the first chuck and the second chuck are both electric, the first chuck is an electric chuck, and the first chuck and the second chuck are both electric chucks.

Preferably, the rotary table is provided with an installation clamping groove, the installation clamping groove takes the lifting seat as a center and extends outwards in a radial shape, and the cross section of the installation clamping groove is T-shaped.

The invention also provides a special-shaped section tube radiographic inspection machine which comprises the special-shaped section tube radiographic inspection lifting structure.

According to the special-shaped section tube radiographic inspection lifting structure, the base, the rotary table, the lifting frame and the clamping device are adopted, the clamping device can be used for quickly clamping and positioning a special-shaped section tube, the rotary table and the base can be used for freely adjusting the position of the special-shaped section tube by 360 degrees, and meanwhile, the lifting column, the lifting seat, the guide rail and the guide block are structurally designed, so that the special-shaped section tube on the clamping device can be quickly adjusted in the inspection height.

The special-shaped section pipe radiographic inspection lifting structure is simple in structure, convenient and fast to use, and capable of achieving fast adjustment and positioning of the relative position of the special-shaped section pipe and effectively improving the overall detection efficiency.

Drawings

FIG. 1 is a structural diagram of a first embodiment of the lifting structure for radiographic inspection of the special-shaped section tube of the invention;

fig. 2 is a structural diagram of a second embodiment of the profiled joint pipe radiographic inspection lifting structure of the invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1, the lifting structure for radiographic inspection of special-shaped section pipes of the present invention includes a base 10, a rotary table 20, a lifting frame 30 and a clamping device 40, wherein the base 10 is an installation support, the whole base provides the installation support, the base 10 is provided with a quick fixing bolt, the rotary table 20 provides the installation support for the lifting frame 30, the lifting frame 30 is used for adjusting the clamping device 40 up and down, and the clamping device 40 is used for positioning and clamping the special-shaped section pipes.

The rotary table 20 of the invention is rotatably arranged on the base 10, the lifting frame 30 comprises a lifting seat 31 and a lifting column 32, the lifting seat 31 is arranged on the rotary table 20, a guide rail 33 is arranged on the lifting seat 31, a guide block 34 matched with the guide rail 33 is arranged on the lifting column 32, a driving device 50 is arranged on the lifting seat 31, the tail end of the driving device 50 is connected with the lifting column 32, and the top of the lifting column 32 is provided with a clamping device 40.

In the use process, the driving device 50 can drive the lifting column 32 to slide relative to the lifting seat 31, and meanwhile, the 360-degree azimuth adjustment of the lifting column 32 and the lifting seat 31 arranged on the rotary table 20 can be realized by utilizing the relative rotation of the rotary table 20 and the base 10, so as to adjust the relative position and height adjustment of the special-shaped joint pipe arranged on the clamping device 40, and meet the requirement of the radiographic inspection.

It is worth mentioning that the base 10 and the turntable 20 of the present invention are connected by a rotary bearing 11. That is, the base 10 is provided with the revolving bearing 11, and the revolving platform 20 is arranged on the upper part of the revolving bearing 11, when in use, the revolving platform 20 rotates relative to the base 10 by applying a force on the revolving platform 20, thereby realizing the position change of the parts arranged on the revolving platform 20.

As shown in fig. 2, as one embodiment of the present invention, the driving device 50 of the present invention is a driving cylinder, and a telescopic rod of the driving cylinder is fixedly connected to the lifting column 32. It should be noted that the lifting column 32 of the present invention can be a rectangular tubular structure, the lifting base 31 is a rectangular tubular body, the guide rail 33 is disposed on the inner side surface of the lifting base 31, the guide block 34 is disposed on the outer side surface of the lifting column 32, the driving cylinder is disposed in the tubular body of the lifting base 31, the telescopic rod of the driving cylinder is contracted to drive the lifting column 32 to move up and down, and the action of the guide rail 33 and the guide block 34 is utilized to make the lifting column more stable and reliable in the up and down lifting process.

As shown in fig. 1, as another embodiment of the present invention, the driving device 50 of the present invention comprises a motor 51, a screw 52 and a nut 53, wherein the nut 53 is fixed in the elevating column 32, the screw 52 is connected with the nut 53 by a screw, the screw 52 is connected with an output shaft of the motor 51, and the motor 51 is installed in the elevating base 31.

When the device is used, the motor 51 works to drive the screw rod 52 to rotate, and the screw rod 52 is in threaded connection with the nut 53, so that the nut 53 moves up and down on the screw rod 52, and the lifting column 32 moves up and down stably relative to the lifting seat 31 under the guiding action of the guide rail 33 and the guide block 34, so that the stability of the special-shaped joint pipe arranged on the clamping device 40 on the lifting column 32 is ensured, and the accuracy of flaw detection of the special-shaped joint pipe is ensured.

In another embodiment of the present invention, the clamping device 40 of the present invention comprises a first chuck 41 and a second chuck 42, wherein the central axis of the first chuck 41 is perpendicular to the central axis of the second chuck 42, and the second chuck 42 is mounted on the first chuck 41.

The central axes of the first chuck 41 and the second chuck 42 are vertically arranged, so that the flaw detection requirements of different special-shaped joints are met.

Preferably, the first chuck 41 of the present invention is a power chuck, and the first chuck 41 and the second chuck 42 are both four-jaw chucks. The clamping diameter of the electric chuck is 0-159mm, the effective stroke of the lifting column 32 is 0.75m, and the lifting speed is 1150 mm/min.

In the invention, the rotary table 20 is also provided with an installation clamping groove, the installation clamping groove extends outwards in a radial shape by taking the lifting seat 31 as a center, and the section of the installation clamping groove is in a T shape, so that various positioning devices and clamping mechanisms can be conveniently installed.

The cross section of the guide rail 33 of the invention is preferably V-shaped, and the guide rail 33 is formed by splicing and welding steel plates. The movement of the turntable 20 of the present invention is forced by a rotary motor 51, and the power of the rotary motor 51 is 0.37 kw.

The invention also provides a special-shaped section tube radiographic inspection machine which comprises the special-shaped section tube radiographic inspection lifting structure.

Furthermore, the special-shaped section tube radiographic inspection machine further comprises a support and an inspection head mounted on the support, wherein the support is mounted on one side of the special-shaped section tube radiographic inspection lifting structure, a workpiece is clamped through the special-shaped section tube radiographic inspection lifting structure, and the relative position of the inspection head and the workpiece is adjusted, so that flaw detection imaging is realized, and the accuracy of flaw detection is ensured.

According to the special-shaped section pipe radiographic inspection lifting structure, the base 10, the rotary table 20, the lifting frame 30 and the clamping device 40 are adopted, the clamping device 40 can be used for quickly clamping and positioning a special-shaped section pipe, the rotary table 20 and the base 10 can be used for freely adjusting the position of the special-shaped section pipe by 360 degrees, and meanwhile, the structural design of the lifting column 32, the lifting seat 31, the guide rail 33 and the guide block 34 can be used for quickly adjusting the inspection height of the special-shaped section pipe on the clamping device 40.

The special-shaped section pipe radiographic inspection lifting structure is simple in structure, convenient and fast to use, and capable of achieving fast adjustment and positioning of the relative position of the special-shaped section pipe and effectively improving the overall detection efficiency.

Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.