A detection device for stainless steel pipe

Abstract

The present invention relates to the technical field of steel pipe detection, in particular to a detection device for stainless steel pipes, comprising a workbench, a fixed pipe clamping assembly is vertically fixed on the top of one side of the workbench, a movable pipe clamping assembly is vertically slidably connected on the other side of the workbench, the fixed pipe clamping assembly and the movable pipe clamping assembly jointly clamp the steel pipe, two symmetrically arranged limit plates are vertically fixed on the middle of the top of the workbench, and limit wheels are evenly distributed in a circular shape at the symmetrical edges of the two limit plates on one side, a rotating circle is rotatably connected to the inner side of the limit wheel, a pipe release opening is opened on one side of the top of the rotating circle, and a telescopic part is fixed at the end of the rotating circle away from the limiting plate and close to the pipe release opening; the detection wheel is driven to rotate around the steel pipe by the rotating circle, so that the steel pipe can be linearly detected when it is fixed, and arc detection errors will not be caused by the bending of the steel pipe. By using the fixed pipe clamping assembly and the movable pipe clamping assembly, the arc at different positions can be detected.

Description

Technical Field

[0001] The invention relates to the technical field of steel pipe detection, in particular to a detection device for stainless steel pipes. Background Art

[0002] Stainless steel pipe is a hollow long round steel material, which is not easy to rust. It is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments, and mechanical structural parts. In addition, when the bending and torsional strengths are the same, the weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used as furniture and kitchen utensils. Stainless steel pipes are made of acid-resistant and heat-resistant steel billets, which are heated, perforated, sized, hot rolled, and cut.

[0003] The existing authorization publication number is CN205384009 U, which is a detection device for stainless steel pipes. It relates to the technical field of stainless steel equipment; a support foot is installed at the bottom of the frame, a mounting frame is installed at the upper end of the frame, a slide rail is installed at the lower end of the mounting frame, an electric slider is installed on the slide rail, a driver is installed on the electric slider, a protective cover is installed on the driving rod of the driver, a detection wheel is installed on the inner side of the protective cover, a first support roller is installed on the frame, the rotating shaft of the first support roller is connected to the rotating shaft of the first drive motor through a belt, the adjustment frame is installed on the right side of the frame, and a second support roller is installed on the adjustment frame, and a second drive motor is installed on the rotating shaft of the second support roller.

[0004] During use, the following problems still exist:

[0005] During the rotation of the steel pipe, if the steel pipe is bent at the support roller position, the steel pipe at that position will rotate more widely, causing deviations in the arc detection, resulting in errors in the arc detection at that position and giving wrong conclusions. Summary of the invention

[0006] In view of the above problems or the problems mentioned in the background art in the prior art, the present invention is proposed.

[0007] Therefore, an object of the present invention is to provide a detection device for stainless steel pipes.

[0008] To solve the above technical problems, the present invention provides the following technical solutions: a detection device for stainless steel pipes, comprising a workbench, a fixed pipe clamping assembly is vertically fixed on the top of one side of the workbench, and a movable pipe clamping assembly is vertically slidably connected on the other side of the workbench, the fixed pipe clamping assembly and the movable pipe clamping assembly jointly clamp the steel pipe, two symmetrically arranged limit plates are vertically fixed on the middle of the top of the workbench, and the symmetrical edges of the two limit plates on one side are evenly distributed in a circular shape. A rotating circle is rotatably connected to the inner side of the limit wheel, and a pipe release port is opened on one side of the top of the rotating circle. A telescopic member is fixed at a position close to the pipe release port at one end of the rotating circle away from the limit plate, which can be a cylinder or a hydraulic cylinder, and includes an electric push rod, the extension line of the end of the telescopic member passes through the center of the rotating circle, and a detection wheel is fixed at the end of the telescopic member. The detection wheel belongs to the prior art and will not be repeated here. One of the output ends of the limit wheels is connected to a driving member, and the driving member adopts a forward and reverse motor.

[0009] As a preferred solution of the detection device for stainless steel pipes of the present invention, the fixed pipe clamping assembly includes a fixed seat vertically fixed on one side of the top of the workbench, and a discharge port for placing steel pipes is opened through the upper middle side of the fixed seat for placing steel pipes, and an electric chuck I for clamping steel pipes of different diameters is provided on the outer side of the discharge port to facilitate the clamping of the steel pipes.

[0010] As a preferred solution of the detection device for stainless steel pipes of the present invention, the mobile pipe clamping assembly includes a driving assembly arranged on a workbench, a mobile seat is fixed on the driving assembly, the mobile seat and the fixed seat have the same structure and can be interchanged to reduce the cost of use, a feed port for placing the steel pipe is opened through the upper middle side of the mobile seat, an electric chuck II for clamping steel pipes of different diameters is arranged on the outer side of the feed port to facilitate the clamping of the steel pipe, the electric chuck II has the same structure as the electric chuck I, and belongs to the prior art.

[0011] As a preferred solution of the detection device for stainless steel pipes of the present invention, the driving component includes a movable groove opened in the middle of the workbench, the movable groove passes through the other end of the workbench and is rotatably connected to a screw rod, the output end of the screw rod is connected to a shift motor, and the outer side of the screw rod is connected to a slider limited by the inside of the movable groove, the slider and the movable groove have the same cross-section shape, and adopt a polygonal cross-section, and the top of the slider is vertically fixed to the bottom end of the movable seat.

[0012] As a preferred solution of the detection device for stainless steel pipes of the present invention, the driving assembly includes a cylinder fixed on the top of the workbench, and the end of the cylinder is connected to one end of the moving seat.

[0013] As a preferred solution of the detection device for stainless steel pipes of the present invention, a plurality of straightening components for straightening the steel pipes are evenly distributed on the inner wall of the rotating circle, and the extension line of the end of the straightening component passes through the center of the rotating circle.

[0014] As a preferred solution of the detection device for stainless steel pipes of the present invention, the straightening assembly includes a length adjusting member fixed on the inner wall of the rotating circle, and a straightening wheel is connected to the end of the length adjusting member.

[0015] As a preferred solution of the detection device for stainless steel pipes of the present invention, the length adjustment part includes a telescopic sleeve fixed on the inner wall of the rotating circle, an extension rod is slidably connected through the top of the telescopic sleeve, a fastening bolt that limits the position of the extension rod is threadedly connected to the outer side of the telescopic sleeve, and the end of the extension rod is connected to the straightening wheel.

[0016] As a preferred solution of the detection device for stainless steel pipes of the present invention, the length adjusting member is a hydraulic cylinder or an electric push rod, which is simple to use and easy to install and can be selected according to actual use.

[0017] As a preferred solution of the detection device for stainless steel pipes of the present invention, the output end of the driving member is connected to a driving pulley, the input end of the other limiting wheels is fixed with a driven pulley, and a belt is connected between the driving pulley and the driven pulley.

[0018] The beneficial effects of the detection device for stainless steel pipes of the present invention are as follows: the detection wheel is driven to rotate around the steel pipe by the rotating circle, so that the steel pipe can be linearly detected when it is fixed, and arc detection errors will not be caused by the bending of the steel pipe. Moreover, the arcs at different positions can be detected by the coordinated use of the fixed pipe clamping assembly and the movable pipe clamping assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of a detection device for stainless steel pipes.

[0021] Figure 2 It is another three-dimensional structural schematic diagram of a detection device for stainless steel pipes.

[0022] Figure 3 It is a side view of a detection device for stainless steel pipes.

[0023] Figure 4 A detection device for stainless steel pipes Figure 3 Cross-sectional view along AA.

[0024] Figure 5 The present invention is a schematic diagram of the installation structure of a limit plate of a detection device for stainless steel pipes.

[0025] Figure 6 The present invention is a schematic diagram of the installation structure of a limit wheel of a detection device for stainless steel pipes.

[0026] Figure 7 The present invention is a schematic diagram of the installation structure of a length adjustment member of a detection device for stainless steel pipes.

[0027] Figure 8 The present invention is a schematic diagram of the installation structure of a straightening wheel of a detection device for stainless steel pipes.

[0028] Label:

[0029] 100. Workbench;

[0030] 200, fixed clamping tube assembly; 201, fixed seat; 202, discharge port; 203, electric chuck I;

[0031] 300, movable clamping tube assembly; 301, movable slot; 302, screw rod; 303, shifting motor; 304, slider; 305, movable seat; 306, feed port; 307, electric chuck II;

[0032] 400, limit plate;

[0033] 500, limiting wheel;

[0034] 600, rotating circle; 601, pipe opening;

[0035] 700, telescopic parts;

[0036] 800, detection wheel;

[0037] 900, driving member;

[0038] 1010. Straightening assembly; 1011. Length adjustment member; 1012. Straightening wheel. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0040] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0041] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0042] Example, see Figure 1 , Figure 2 and Figure 3 The embodiment provides a detection device for stainless steel pipes, including a workbench 100. The workbench 100 is similar to the workbench on a machine tool, which belongs to the prior art and is not described in detail here. A fixed pipe clamping assembly 200 is vertically fixed to the top of one side of the workbench 100, and a movable pipe clamping assembly 300 is vertically slidably connected to the other side of the workbench 100. The fixed pipe clamping assembly 200 and the movable pipe clamping assembly 300 clamp the steel pipe together. Two symmetrically arranged limit plates 400 are vertically fixed to the middle of the top of the workbench 100. The limit plates 400 are made of metal and can be directly welded to the workbench 100. The limit wheels 500 are evenly distributed in a circular shape at the symmetrical edges of the two limit plates 400 on one side. The number of limit wheels 500 in this application is six, and the outer side of the limit wheel 500 is sleeved with an anti-slip accessory such as an anti-slip sleeve. The inner side of the limit wheel 500 is rotatably connected with a rotating ring 600. The rotating ring 600 is made of metal, and the outer side of the rotating ring 600 is provided with anti-slip grooves to prevent the limit wheel 5 00, relative sliding occurs, a pipe release opening 601 is provided on one side of the top of the rotating circle 600, the opening length of the pipe release opening 601 is less than the distance between the two limiting wheels 500, to prevent the pipe release opening 601 from being stuck on the limiting wheel 500, a telescopic member 700 is fixed at the end of the rotating circle 600 away from the limiting plate 400 near the pipe release opening 601, the telescopic member 700 can be a cylinder or a hydraulic cylinder, the extension line of the end of the telescopic member 700 passes through the center of the rotating circle 600, so that the end of the telescopic member 700 points to the center of the rotating circle 600, to prevent the detection wheel 800 from rotating at a different position from the center of the rotating circle 600, affecting the detection effect, a detection wheel 800 is fixed at the end of the telescopic member 700, which is used to detect the arc on the steel pipe, one of the limiting wheels 500 output end is connected to a driving member 900, the driving member 900 adopts a bidirectional motor, and a reducer should be added to the connection between the driving member 900 and one of the limiting wheels 500 according to actual needs.

[0043] When in use, the steel pipe is placed into the rotating circle 600 through the pipe release port 601, one end of the steel pipe is inserted into the fixed clamping pipe assembly 200, and the other end is inserted into the mobile clamping pipe assembly 300, and then the steel pipe is fixed in the fixed clamping pipe assembly 200 and the mobile clamping pipe assembly 300, and the telescopic member 700 is adjusted to make the detection wheel 800 reach the position of the outer surface of the steel pipe, and the driving member 900 works, and the operation of the driving member 900 drives one of the limiting wheels 500 to rotate, and the rotation of the limiting wheel 500 drives the rotating circle 600 to rotate. 00 rotates in the limiting wheel 500, and the rotation of the rotating circle 600 drives the detection wheel 800 to rotate around the steel pipe, so as to detect the arc of the steel pipe at this position, and no deviation in the arc detection will occur due to the bending at other positions. The fixed clamping pipe assembly 200 loosens the steel pipe, and the mobile clamping pipe assembly 300 moves on the workbench 100, thereby driving the steel pipe at the position in the fixed clamping pipe assembly 200 and the position to be detected, so as to detect the arc at different positions.

[0044] Reference Figure 2 , Figure 3 , Figure 4 and Figure 5 The fixed clamping pipe assembly 200 includes a fixing seat 201 fixed vertically on one side of the top of the workbench 100. The fixing seat 201 is directly welded to a position on one side of the top of the workbench 100. A discharge port 202 for placing a steel pipe is provided on the upper middle side of the fixing seat 201. The discharge port 202 is circular and is used for the steel pipe to pass through. An electric chuck I 203 for clamping steel pipes of different diameters is provided on the outer side of the discharge port 202. The electric chuck I 203 adopts a three-jaw chuck, which is driven by other spindles. After power is turned on, the spindle rotates, and the chuck rotates accordingly, which has both effective and fast rotational force, fast speed, high rotation speed, high precision and long service life. It belongs to the prior art and will not be described here.

[0045] When in use, one end of the steel pipe is inserted into the discharge port 202 on the fixing seat 201, and the steel pipe is clamped by the relative movement of the electric chuck I 203.

[0046] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 The mobile pipe clamping assembly 300 includes a driving assembly arranged on the workbench 100. The use of the driving assembly can drive the mobile seat 305 to move on the workbench 100. The mobile seat 305 is fixed on the driving assembly. A feed port 306 for placing steel pipes is opened through the upper middle side of the mobile seat 305. The feed port 306 is circular, and an electric chuck II 307 for clamping steel pipes of different diameters is arranged on the outer side of the feed port 306. The structure of the electric chuck II 307 is the same as that of the electric chuck I 203, which will not be repeated here.

[0047] When in use, when the electric chuck II 307 clamps the steel pipe and the electric chuck I 203 releases the steel pipe, the driving component drives the movable seat 305 to move on the workbench 100, thereby driving the steel pipe on the electric chuck II 307 to move inside the discharge port 202. When it moves to a suitable position, the electric chuck I 203 clamps the steel pipe and the electric chuck II 307 releases the steel pipe. The driving component drives the movable seat 305 back to its original position, and the electric chuck II 307 clamps the steel pipe again to prepare for the next adjustment.

[0048] Reference Figure 2 , Figure 3 , Figure 4 and Figure 5 The driving component includes a moving groove 301 opened in the middle of the workbench 100. The cross-section of the moving groove 301 is convex. The moving groove 301 passes through the other end of the workbench 100 and is rotatably connected to a screw rod 302. The use of the screw rod 302 facilitates the movement of the slider 304. The output end of the screw rod 302 is connected to a shift motor 303. The shift motor 303 adopts a bidirectional motor and can be reversed. The outer side of the screw rod 302 is connected to a slider 304 that is limited inside the moving groove 301. The cross-section of the slider 304 is convex. The screw thread of the slider 304 cooperates with the screw rod 302 to drive the slider 304 to move in the moving groove 301. The top of the slider 304 is vertically fixed to the bottom of the moving seat 305.

[0049] When in use, the rotation of the shift motor 303 drives the screw rod 302 to rotate in the moving groove 301, and the rotation of the screw rod 302 in the moving groove 301 drives the slider 304 to move in the moving groove 301 through the threaded connection, and the movement of the slider 304 drives the moving seat 305 to move.

[0050] The driving assembly includes a cylinder fixed on the top of the workbench 100 (not shown in the present application, belonging to the prior art, and will not be described again here), and the end of the cylinder is connected to one end of the moving seat 305.

[0051] When in use, the telescopic movement of the cylinder drives the movable seat 305 to move on the workbench 100 . The installation of the cylinder is simple and convenient, but the accuracy is not as high as that driven by the screw rod 302 .

[0052] Reference Figure 1 , Figure 2 , Figure 6 and Figure 8 Several straightening components 1010 for straightening the steel pipe are evenly distributed on the inner wall of the rotating circle 600. The straightening components 1010 are used to straighten the bending parts of the steel pipe to prevent the bending parts of the steel pipe from affecting the detection of the arc. The extension line of the end of the straightening component 1010 passes through the center of the rotating circle 600.

[0053] When in use, the straightening assembly 1010 is adjusted so that the straightening assembly 1010 contacts the surface of the steel pipe, and the mobile clamping assembly 300 drives the steel pipe to move on the fixed clamping assembly 200. When the steel pipe passes through the adjusting straightening assembly 1010, the adjusting straightening assembly 1010 straightens the steel pipe to prevent the bending part from affecting the detection result of the arc degree. When the rotating circle 600 rotates, the adjusting straightening assembly 1010 can be driven to rotate and squeeze the detection position, so that the arc degree at the detection position can be repaired to a certain extent, so as to facilitate use after detection.

[0054] Reference Figure 6 , Figure 7 and Figure 8 The straightening assembly 1010 includes a length adjusting member 1011 fixed on the inner wall of the rotating circle 600. By using the length adjusting member 1011, the position of the straightening wheel 1012 and the outer surface of the steel pipe can be adjusted. The end of the length adjusting member 1011 is connected to the straightening wheel 1012.

[0055] When in use, the length of the length adjusting member 1011 is adjusted so that the straightening wheel 1012 contacts the outer surface of the steel pipe or reaches a suitable position.

[0056] Reference Figure 6 , Figure 7 and Figure 8 The length adjustment member 1011 includes a telescopic sleeve fixed on the inner wall of the rotating circle 600. The telescopic sleeve is made of a square tube. An extension rod is slidably connected to the top of the telescopic sleeve. The extension rod is made of a square column. By using the telescopic sleeve, the extension rod can be prevented from rotating in the telescopic sleeve. A fastening bolt that limits the position of the extension rod is threadedly connected to the outer side of the telescopic sleeve. By using the fastening bolt, the position of the extension rod in the telescopic sleeve can be limited. A rotating disk can be added at the rotation position of the fastening bolt to reduce the force during use. The end of the extension rod is connected to the straightening wheel 1012.

[0057] When in use, loosen the fastening bolts and pull the extension rod to the position in the telescopic sleeve. When the straightening wheel 1012 reaches a suitable position, tighten the fastening bolts to fix the extension rod in the telescopic sleeve.

[0058] The length adjusting member 1011 is a hydraulic cylinder or an electric push rod (this application is a backup solution, not shown in the figure).

[0059] When in use, it is easy to use through the telescopic adjustment of the hydraulic cylinder or electric push rod.

[0060] The output end of the driving member 900 is connected to a driving pulley (not shown in the figure, as well as the driven pulley and belt described below), and the input end of the remaining limiting wheel 500 is fixed with a driven pulley, and a belt is connected between the driving pulley and the driven pulley.

[0061] When in use, the driving member 900 drives the driving pulley to rotate, and the rotation of the driving pulley drives the driven pulley to rotate through the belt, so that the remaining limiting wheels 500 on the driven pulley rotate synchronously to prevent slipping when one limiting wheel 500 drives the rotating circle 600 to rotate.

[0062] Usage process: The fixed clamping tube assembly 200 and the mobile clamping tube assembly 300 fix the steel tube, adjust the length of the telescopic member 700, so that the detection wheel 800 reaches the appropriate position, and the driving member 900 drives one of the limit wheels 500 to rotate, so that the rotating circle 600 rotates, so that the detection wheel 800 rotates around the steel tube, and then detects the arc at this location. The trajectory of the detection wheel 800 rotating on the surface of the steel tube is linear (the mark left by the detection wheel 800 rotating one circle at the steel tube position can be seen as a line). When measuring the arc degree at this location, the arc degree detection will not be affected by the bending of the steel pipe when it rotates, and the detection position of the steel pipe can be changed by cooperating with the fixed clamping pipe assembly 200 and the movable clamping pipe assembly 300. The steel pipe can be straightened by using the straightening assembly 1010 to prevent the bending location from affecting the arc degree detection result. When the rotating circle 600 rotates, the straightening assembly 1010 can be driven to rotate and squeeze the detection position, so that the arc degree at the detection position can be repaired to a certain extent.

[0063] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to a specific embodiment, but extends to several modifications still falling within the scope of the appended claims.

[0064] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0065] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0066] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A detection device for stainless steel pipes, characterized in that The invention comprises a workbench (100), wherein a fixed pipe clamping assembly (200) is vertically fixed to the top of one side of the workbench (100), and a movable pipe clamping assembly (300) is vertically slidably connected to the other side of the workbench (100), wherein the fixed pipe clamping assembly (200) and the movable pipe clamping assembly (300) jointly clamp the steel pipe, and two symmetrically arranged limiting plates (400) are vertically fixed to the middle of the top of the workbench (100), and limiting wheels (500) are evenly distributed in a circular shape at the symmetrical edges of the two limiting plates (400) on one side. The inner side of the limiting wheel (500) is rotatably connected to a rotating circle (600), a tube release opening (601) is provided on one side of the top end of the rotating circle (600), a telescopic member (700) is fixed at a position close to the tube release opening (601) at one end of the rotating circle (600) away from the limiting plate (400), an extension line of the end of the telescopic member (700) passes through the center of the rotating circle (600), a detection wheel (800) is fixed at the end of the telescopic member (700), and one of the output ends of the limiting wheel (500) is connected to a driving member (900); The fixed pipe clamping assembly (200) comprises a fixing seat (201) fixed vertically on one side of the top end of the workbench (100); a discharge port (202) for placing steel pipes is provided through the upper middle side of the fixing seat (201); an electric chuck I (203) for clamping steel pipes of different diameters is provided outside the discharge port (202); The mobile pipe clamping assembly (300) comprises a driving assembly arranged on a workbench (100), a moving seat (305) being fixed on the driving assembly, a feeding port (306) for placing steel pipes being provided through the middle upper side of the moving seat (305), and an electric chuck II (307) for clamping steel pipes of different diameters being provided outside the feeding port (306); The driving assembly comprises a moving groove (301) opened in the middle of the workbench (100); the moving groove (301) passes through the other end of the workbench (100) and is rotatably connected to a screw rod (302); the output end of the screw rod (302) is connected to a shift motor (303); and the outer side of the screw rod (302) is connected to a slider (304) which is limited in position by the moving groove (301); the top end of the slider (304) is vertically fixed to the bottom end of the moving seat (305); the driving assembly comprises a cylinder fixed to the top of the workbench (100); the end of the cylinder is connected to one end of the moving seat (305); A plurality of straightening components (1010) for straightening the steel pipe are evenly distributed on the inner wall of the rotating circle (600), and the extension line of the end of the straightening component (1010) passes through the center of the rotating circle (600); The straightening assembly (1010) comprises a length adjusting member (1011) fixed on the inner wall of the rotating circle (600), and the end of the length adjusting member (1011) is connected to a straightening wheel (1012); The length adjustment member (1011) comprises a telescopic sleeve fixed on the inner wall of the rotating circle (600), an extension rod is slidably connected to the top of the telescopic sleeve, a fastening bolt for limiting the position of the extension rod is threadedly connected to the outer side of the telescopic sleeve, and the end of the extension rod is connected to the straightening wheel (1012).

2. A stainless steel pipe detection device as claimed in claim 1, characterized in that The length adjusting member (1011) is a hydraulic cylinder or an electric push rod.

3. A stainless steel pipe detection device as claimed in claim 1, characterized in that The output end of the driving member (900) is connected to a driving pulley, and the input end of the other limiting wheel (500) is fixed with a driven pulley, and a belt is connected between the driving pulley and the driven pulley.

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