Nondestructive testing device for oil storage tank

Abstract

The utility model belongs to the technical field of non-destructive testing, and particularly relates to a non-destructive testing device for an oil storage tank, which comprises a base and further comprises a supporting mechanism, the detection source comprises a movable bracket and a detection head; the two clamping mechanisms are symmetrically distributed and used for clamping the oil storage tank and driving the oil storage tank to rotate, each clamping mechanism comprises a movable vertical plate, a clamping plate and a servo motor, and the movable vertical plates are movably connected to the base; the adjusting mechanism is used for adjusting the distance between the two groups of clamping mechanisms; the driving mechanism is connected to the movable support in a drivable mode and used for driving the movable support to move in the length direction of the oil storage tank. According to the utility model, the two groups of clamping mechanisms are used for clamping the oil storage tank and driving the oil storage tank to rotate, the detection head is used for carrying out ultrasonic flaw detection on the surface of the oil storage tank, and the driving mechanism is used for driving the detection head to move, so that different positions of the oil storage tank can be conveniently detected, and the detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of non-destructive testing, and in particular relates to a non-destructive testing device for a petroleum storage tank. Background Art

[0002] Before using oil storage tanks, the surface of the tank will be subjected to non-destructive testing to prevent accidents.

[0003] Nondestructive testing is a method of inspecting the surface and internal quality of the inspected component without damaging the workpiece or the working condition of the raw materials. Among them, ultrasonic testing is a very common nondestructive testing technology. Ultrasonic waves will produce reflection, refraction and waveform conversion at the interface of dissimilar media. By utilizing these characteristics, the reflected wave reflected from the defect interface can be obtained, thereby achieving the purpose of detecting defects.

[0004] Currently, when using ultrasonic detectors for non-destructive testing of oil storage tanks, the inspection is usually done by inspectors holding the inspection head. Handheld inspection can be used for small oil storage tanks, but the efficiency of non-destructive testing of larger oil storage tanks is low.

[0005] In order to solve the above problems, this application proposes a non-destructive testing device for oil storage tanks. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a non-destructive testing device for oil storage tanks, which has the characteristics of easy use and high testing efficiency.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a non-destructive testing device for a petroleum storage tank, comprising a base and further comprising:

[0008] A supporting mechanism, wherein a plurality of groups of the supporting mechanisms are fixed at equal intervals on the top of the base, and are used to support the oil storage tank;

[0009] A detection source, the detection source comprising a movable bracket and a detection head, the movable bracket being movably connected to the base, and the detection head being movably connected to the movable bracket;

[0010] A clamping mechanism, wherein two sets of the clamping mechanisms are symmetrically distributed and are used to clamp the oil storage tank and drive the oil storage tank to rotate. The clamping mechanism includes a movable vertical plate, a clamping plate, and a servo motor. The movable vertical plate is movably connected to the base, the clamping plate is rotatably connected to the movable vertical plate, and the servo motor is fixed to the movable vertical plate to drive the clamping plate to rotate.

[0011] an adjustment mechanism, the adjustment mechanism being used to adjust the distance between the two sets of the clamping mechanisms;

[0012] A driving mechanism is drivably connected to the movable support and is used to drive the movable support to move along the length direction of the oil storage tank.

[0013] As a preferred technical solution of the present invention, the supporting mechanism includes:

[0014] A fixed bottom plate, the fixed bottom plate being fixed to the top of the base;

[0015] A support platform, the support platform is fixed to the top surface of the fixed base plate, and a V-shaped groove is processed on the support platform;

[0016] A supporting roller is rotatably mounted on the inner wall of the V-shaped groove.

[0017] As a preferred technical solution of the present invention, the detection source further includes:

[0018] A fixed plate, the fixed plate and one side of the movable bracket;

[0019] A connecting flange, the connecting flange being fixed to the detection head and fixedly connected to the fixing plate;

[0020] A horizontal cylinder is fixed on the movable bracket, and a piston rod of the horizontal cylinder passes through the movable bracket and is fixedly connected to the fixed plate.

[0021] As a preferred technical solution of the utility model, it also includes:

[0022] A rubber pad is bonded and fixed on the clamping surface of the clamping plate.

[0023] As a preferred technical solution of the present utility model, the adjustment mechanism includes:

[0024] a fixing platform fixed to the bottom surface of the base;

[0025] A fixing plate, the fixing plate being fixed to the bottom end of the base and spaced apart from the fixing platform;

[0026] A number one threaded screw, the number one threaded screw being rotatably connected between the fixed platform and the fixed plate, and the number one threaded screw penetrating the movable vertical plate and being connected to the movable vertical plate by screwing;

[0027] A No. 1 drive motor is fixed on the fixed plate and is used for driving the No. 1 threaded screw to rotate.

[0028] As a preferred technical solution of the utility model, it also includes:

[0029] A No. 1 guide rod, wherein two No. 1 guide rods are symmetrically fixed between the fixed platform and the fixed plate, and the No. 1 guide rods pass through the movable vertical plate.

[0030] As a preferred technical solution of the present invention, the driving mechanism includes:

[0031] a slide seat, the movable bracket being fixed to the top surface of the slide seat;

[0032] Two threaded screws, the two threaded screws are rotatably connected between the two fixed plates, and the two threaded screws pass through the slide and are connected to the slide by screwing;

[0033] A second drive motor is fixed on the fixed plate and is used for driving the second threaded screw to rotate.

[0034] As a preferred technical solution of the utility model, it also includes:

[0035] A No. 2 guide rod, wherein the two No. 2 guide rods are symmetrically fixed between the two fixing plates, and the No. 2 guide rods pass through the slide seat.

[0036] Compared with the prior art, the beneficial effects of the present invention are:

[0037] In the utility model, two sets of clamping mechanisms are used to clamp the oil storage tank and drive the oil storage tank to rotate, the surface of the oil storage tank is ultrasonically inspected by the detection head, and the driving mechanism is used to drive the detection head to move, so that different positions of the oil storage tank can be inspected conveniently and the inspection efficiency is greatly improved.

[0038] Other additional advantages and benefits of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0040] Figure 1 It is a structural diagram of the utility model;

[0041] Figure 2 This is a schematic diagram of the axonometric structure of the support mechanism in the present utility model;

[0042] Figure 3 For this utility model Figure 1 Schematic diagram of the detection source amplification structure in FIG;

[0043] Figure 4This is a schematic diagram of the axonometric structure of the clamping mechanism in the present invention.

[0044] In the figure: 1. Base; 2. Support mechanism; 21. Fixed bottom plate; 22. Support platform; 221. V-shaped groove; 23. Support roller; 3. Detection source; 31. Movable bracket; 32. Fixed plate; 33. Connecting flange; 34. Detection head; 35. Horizontal cylinder; 4. Clamping mechanism; 41. Moving vertical plate; 42. Clamping plate; 421. Rubber pad; 43. Adjustment mechanism; 431. Fixed platform; 432. Fixed plate; 433. No. 1 threaded screw; 434. No. 1 drive motor; 435. No. 1 guide rod; 44. Servo motor; 5. Drive mechanism; 51. Slide; 52. No. 2 threaded screw; 53. No. 2 drive motor; 54. No. 2 guide rod. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0046] See also Figures 1-4 The utility model provides the following technical solutions: a nondestructive testing device for an oil storage tank includes a base 1, a supporting mechanism 2, a detection source 3, a clamping mechanism 4, an adjustment mechanism 43 and a driving mechanism 5.

[0047] Further, by Figure 1 、 Figure 3 and Figure 4As shown, in the embodiment, a plurality of support mechanisms 2 are fixed at the top end of the base 1 at equal intervals for supporting the oil storage tank, the detection source 3 comprises a movable support 31 and a detection head 34, the movable support 31 is movably connected to the base 1, the detection head 34 is movably connected to the movable support 31, two sets of clamping mechanisms 4 are symmetrically distributed for clamping and driving the oil storage tank to rotate, and the clamping mechanism 4 comprises a moving vertical plate 41, a clamping plate 42 and a servo motor 44, the moving vertical plate 41 is movably connected to the base 1, the clamping plate 42 is rotatably connected to the moving vertical plate 41, the servo motor 44 is fixed on the moving vertical plate 41 for driving the clamping plate 42 to rotate, the adjusting mechanism 43 is used for adjusting the distance between the two sets of clamping mechanisms 4, and the driving mechanism 5 is drivingly connected to the movable support 31 for driving the movable support 31 to move along the length direction of the oil storage tank. After the above scheme is used, in use, the oil storage tank to be detected is placed on the support mechanism 2, the oil storage tank is supported by the support mechanism 2, then the distance between the two sets of clamping mechanisms 4 is adjusted by the adjusting mechanism 43, the oil storage tank is clamped by the two sets of clamping mechanisms 4, and the oil storage tank is driven to rotate, ultrasonic waves are generated by the detection head 34, and the surface of the oil storage tank is ultrasonic flaw detected, during which the driving mechanism 5 is started to drive the movable support 31 to move along the length direction of the oil storage tank, so that the detection head 34 moves and different positions of the oil storage tank are detected. The oil storage tank is clamped and driven to rotate by the two sets of clamping mechanisms 4, the surface of the oil storage tank is ultrasonic flaw detected by the detection head 34, and the detection head 34 is driven to move by the driving mechanism 5, so that different positions of the oil storage tank are conveniently detected, and the detection efficiency is greatly improved.

[0048] It should be noted that the ultrasonic non-destructive testing technology is one of the five conventional non-destructive testing methods, and its working principle is a fully disclosed prior art which will not be described in detail herein.

[0049] Preferably, by Figure 1 and Figure 2 As shown, in the embodiment, the support mechanism 2 comprises a fixed bottom plate 21, a support table 22 and a support rotating roller 23, the fixed bottom plate 21 is fixed at the top end of the base 1, the support table 22 is fixed to the top surface of the fixed bottom plate 21, and a V-shaped groove 221 is processed on the support table 22, and the support rotating roller 23 is rotatably installed on the inner wall of the V-shaped groove 221. After the above scheme is used, different diameter oil storage tanks can be supported by the support table 22, and the oil storage tank is supported by the support rotating roller 23, and when the oil storage tank rotates, the support rotating roller 23 will also rotate.

[0050] Optionally, by Figure 1 and Figure 2As shown, in this embodiment, the detection source 3 also includes: a fixed plate 32, a connecting flange 33 and a horizontal cylinder 35. The fixed plate 32 is on one side of the movable bracket 31, and the connecting flange 33 is fixed on the detection head 34 and fixedly connected to the fixed plate 32. The horizontal cylinder 35 is fixed on the movable bracket 31, and the piston rod of the horizontal cylinder 35 passes through the movable bracket 31 and is fixedly connected to the fixed plate 32. After adopting the above scheme, the detection head 34 is installed using the fixed plate 32 and the connecting flange 33. The fixed plate 32 and the connecting flange 33 are locked by bolts to achieve stable installation of the detection head 34. When necessary, the horizontal cylinder 35 can also be started to adjust the distance between the detection head 34 and the oil storage tank through the horizontal cylinder 35 to meet different detection needs.

[0051] Preferably, by Figure 1 and Figure 4 As shown, this embodiment further includes: a rubber pad 421, which is bonded and fixed to the clamping surface of the clamping plate 42. The rubber pad 421 is flexible, and the oil storage tank is clamped by the rubber pad 421, which improves safety and stability.

[0052] Optionally, by Figure 1 and Figure 4 As shown, in this embodiment, the adjustment mechanism 43 includes: a fixed platform 431, a fixed plate 432, a No. 1 threaded screw 433 and a No. 1 drive motor 434. The fixed platform 431 is fixed to the bottom surface of the base 1, the fixed plate 432 is fixed to the bottom end of the base 1 and is spaced apart from the fixed platform 431, the No. 1 threaded screw 433 is rotatably connected between the fixed platform 431 and the fixed plate 432, and the No. 1 threaded screw 433 passes through the movable vertical plate 41 and is connected to the movable vertical plate 41 by threaded engagement. The No. 1 drive motor 434 is fixed on the fixed plate 432 and is used to drive the No. 1 threaded screw 433 to rotate. After adopting the above scheme, when in use, the No. 1 drive motor 434 is started to drive the No. 1 threaded screw 433 to rotate, and under the action of the threaded engagement, the movable vertical plate 41 moves.

[0053] Preferably, by Figure 1 and Figure 4 As shown, this embodiment also includes: a No. 1 guide rod 435, two No. 1 guide rods 435 are symmetrically fixed between the fixed platform 431 and the fixed plate 432, and the No. 1 guide rod 435 passes through the movable vertical plate 41. After adopting the above scheme, the two No. 1 guide rods 435 are used to guide the movable vertical plate 41, thereby improving the stability of the movable vertical plate 41.

[0054] Optionally, by Figure 1 、 Figure 3 and Figure 4As shown, in this embodiment, the driving mechanism 5 includes: a slide 51, a two-threaded screw 52 and a No. 2 driving motor 53. The movable bracket 31 is fixed to the top surface of the slide 51. The two-threaded screw 52 is rotatably connected between the two fixed plates 432, and the two-threaded screw 52 passes through the slide 51 and is connected to the slide 51 by threaded engagement. The No. 2 driving motor 53 is fixed on the fixed plate 432 and is used to drive the two-threaded screw 52 to rotate. After adopting the above scheme, when in use, start the No. 2 driving motor 53 to drive the two-threaded screw 52 to rotate. Under the action of the threaded engagement, the slide 51 drives the movable bracket 31 to move, so that the detection head 34 moves.

[0055] Preferably, by Figure 1 、 Figure 3 and Figure 4 As shown, this embodiment also includes: a No. 2 guide rod 54, two No. 2 guide rods 54 are symmetrically fixed between the two fixed plates 432, and the No. 2 guide rod 54 passes through the slide 51. After adopting the above scheme, the two No. 2 guide rods 54 are set to guide the slide 51, thereby improving the stability of the slide 51.

[0056] It should be noted that the detection head 34, the horizontal cylinder 35, the No. 1 drive motor 434, the servo motor 44 and the No. 2 drive motor 53 are all conventional equipment purchased on the market. Those skilled in the art can make routine selections according to usage needs. Their working principles are common knowledge known to those skilled in the art and have been fully disclosed by the existing technology, so they will not be elaborated in this article.

[0057] The circuit connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0058] Components not described in detail herein are prior art.

[0059] The working principle and use process of the utility model: When using the non-destructive testing device of the utility model, the oil storage tank to be tested is first placed on the supporting mechanism 2, and the oil storage tank is supported by the supporting mechanism 2;

[0060] Then, the first drive motor 434 is started to drive the first threaded screw 433 to rotate. Under the action of the thread rotation, the movable vertical plate 41 moves, and the two clamping plates 42 are used to clamp the oil storage tank. At the same time, the servo motor 44 is started to drive the clamping plates 42 to rotate, thereby driving the oil storage tank to rotate.

[0061] The detection head 34 generates ultrasonic waves to perform ultrasonic flaw detection on the surface of the oil storage tank. During this process, the second drive motor 53 is activated to drive the second screw rod 52 to rotate. Under the action of the screw thread, the slide 51 drives the movable bracket 31 to move, driving the movable bracket 31 to move along the length of the oil storage tank, so that the detection head 34 moves to detect different positions of the oil storage tank.

[0062] The utility model clamps the oil storage tank through two sets of clamping mechanisms 4 and drives the oil storage tank to rotate, performs ultrasonic flaw detection on the surface of the oil storage tank through the detection head 34, and uses the driving mechanism 5 to drive the detection head 34 to move, so as to facilitate the detection of different positions of the oil storage tank and greatly improve the detection efficiency.

[0063] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A nondestructive testing device for a petroleum storage tank, comprising a base (1), characterized in that: Also includes: A supporting mechanism (2), wherein a plurality of groups of the supporting mechanisms (2) are fixed at equal intervals on the top of the base (1) for supporting the oil storage tank; A detection source (3), the detection source (3) comprising a movable bracket (31) and a detection head (34), the movable bracket (31) being movably connected to the base (1), and the detection head (34) being movably connected to the movable bracket (31); A clamping mechanism (4), wherein two groups of the clamping mechanisms (4) are symmetrically distributed and are used to clamp the oil storage tank and drive the oil storage tank to rotate, and the clamping mechanism (4) includes a movable vertical plate (41), a clamping plate (42) and a servo motor (44), wherein the movable vertical plate (41) is movably connected to the base (1), the clamping plate (42) is rotatably connected to the movable vertical plate (41), and the servo motor (44) is fixed on the movable vertical plate (41) and is used to drive the clamping plate (42) to rotate; an adjusting mechanism (43), the adjusting mechanism (43) being used to adjust the distance between the two sets of the clamping mechanisms (4); A driving mechanism (5) is drivably connected to the movable bracket (31) and is used to drive the movable bracket (31) to move along the length direction of the oil storage tank.

2. The nondestructive testing device for oil storage tanks according to claim 1, characterized in that: The supporting mechanism (2) comprises: A fixed bottom plate (21), wherein the fixed bottom plate (21) is fixed to the top end of the base (1); A support platform (22), the support platform (22) is fixed to the top surface of the fixed base plate (21), and a V-shaped groove (221) is processed on the support platform (22); A supporting roller (23) is rotatably mounted on the inner wall of the V-shaped groove (221).

3. The nondestructive testing device for oil storage tanks according to claim 1, characterized in that: The detection source (3) further comprises: A fixed plate (32), the fixed plate (32) and one side of the movable bracket (31); A connecting flange (33), wherein the connecting flange (33) is fixed on the detection head (34) and is fixedly connected to the fixed plate (32); A horizontal cylinder (35) is fixed on the movable bracket (31), and a piston rod of the horizontal cylinder (35) passes through the movable bracket (31) and is fixedly connected to the fixed plate (32).

4. The nondestructive testing device for oil storage tanks according to claim 1, characterized in that: Also includes: A rubber pad (421) is bonded and fixed to the clamping surface of the clamping plate (42).

5. The nondestructive testing device for oil storage tanks according to claim 1, characterized in that: The adjustment mechanism (43) comprises: A fixing platform (431), wherein the fixing platform (431) is fixed to the bottom surface of the base (1); A fixing plate (432), the fixing plate (432) being fixed to the bottom end of the base (1) and spaced apart from the fixing platform (431); A number one threaded screw (433), the number one threaded screw (433) being rotatably connected between the fixed platform (431) and the fixed plate (432), and the number one threaded screw (433) passing through the movable vertical plate (41) and being connected to the movable vertical plate (41) by screwing; A number one driving motor (434), the number one driving motor (434) is fixed on the fixing plate (432), and is used to drive the number one threaded screw (433) to rotate.

6. The nondestructive testing device for oil storage tanks according to claim 5, characterized in that: Also includes: A number one guide rod (435), two number one guide rods (435) are symmetrically fixed between the fixed platform (431) and the fixed plate (432), and the number one guide rod (435) passes through the movable vertical plate (41).

7. The nondestructive testing device for oil storage tanks according to claim 5, characterized in that: The driving mechanism (5) comprises: A slide seat (51), wherein the movable bracket (31) is fixed to the top surface of the slide seat (51); Two threaded screw rods (52), the two threaded screw rods (52) are rotatably connected between the two fixed plates (432), and the two threaded screw rods (52) pass through the slide seat (51) and are connected to the slide seat (51) by screwing; A second drive motor (53), the second drive motor (53) is fixed on the fixed plate (432) and is used to drive the second threaded screw (52) to rotate.

8. The nondestructive testing device for oil storage tanks according to claim 7, characterized in that: Also includes: A second guide rod (54), wherein the two second guide rods (54) are symmetrically fixed between the two fixing plates (432), and the second guide rods (54) pass through the slide seat (51).

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