Tank welding seam detection device

Abstract

The utility model discloses a tank welding seam detection device, which relates to the technical field of welding seam detection and comprises two supports, the two supports are arc-shaped, one ends of the two supports are rotatably connected, so that the two supports can be combined into a round frame, and the round frame is provided with a chute along the circumferential direction; a telescopic rod; the movable plate is slidably connected to the upper end of the telescopic rod, and a detection probe is arranged on the movable plate; and the moving block is in sliding connection with the two supports through the sliding grooves, and the lower end of the telescopic rod is fixedly connected to the moving block. According to the utility model, the two brackets are rotated and folded to form a round frame, and the movable block can move around the tank body through the sliding chute, so that the detection probe moves on the outer wall of the tank body along the position of a welding seam, the welding seam is comprehensively detected, and the detection probe can move up and down through the stretching of the telescopic rod; the detection probe is driven to be attached to the welding seam of the tank body through the transverse movement of the movable plate, so that the tank body welding seam detection device is suitable for detection of welding seams of tank bodies with different diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to a welding seam detection technical field especially relates to a tank body welding seam detection device. BACKGROUND

[0002] In the petroleum, chemical industry, grain and oil, fire control and other industries, the storage tank is the container that is used for storing acid, alkali, alcohol and other liquid or gas substances. Since the tank body diameter is generally larger, a plurality of circular outer walls are welded during processing to form an assembly, in order to ensure the sealing of the tank body, the welding seam of the tank body needs to be detected. Generally, ultrasonic detection or X-ray detection is used for detection, and the detection probe needs to be attached to the welding seam to be detected and moved along the welding seam direction of the tank body to complete the whole welding seam detection.

[0003] At present, when detecting the welding seam of the tank body, the detection probe is generally manually held and attached to the welding seam for detection. The detection probe needs to be attached to the welding seam at all times during detection, and the hand is prone to shaking or not being attached firmly, which affects the detection result. At the same time, the manual long-time holding of the detection probe attached to the welding seam has the problem of heavy workload, which reduces the detection efficiency of the welding seam of the tank body. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art and provides a tank body welding seam detection device which facilitates the attachment of the detection probe to the welding seam and improves the detection effect and detection efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A tank body welding seam detection device comprises:

[0007] Two brackets, both of which are arc-shaped, are rotatably connected at one end to make the two brackets combinable into a circular frame, and the circular frame is provided with a sliding groove along the circumference;

[0008] A telescopic rod;

[0009] A moving plate is slidably connected to the upper end of the telescopic rod, and the moving plate is provided with a detection probe;

[0010] and a moving block is slidably connected to the two brackets through the sliding groove, and the lower end of the telescopic rod is fixedly connected to the moving block, and the moving block is movable along the sliding groove to make the detection probe movable along the circular frame.

[0011] Further, the bottom of the bracket is provided with a universal wheel.

[0012] Further, one end of the two brackets is provided with a rotating shaft, and the two brackets are rotatably connected through the rotating shaft.

[0013] Further, one end of the two supports is provided with recesses which are mutually embedded, and the recesses are provided with corresponding insertion holes, and the insertion holes are provided with pins.

[0014] Further, the telescopic rod comprises a plurality of movable sleeves which are sleeved one by one, and each movable sleeve is slidable relative to each other, so that the telescopic rod is retractable.

[0015] Further, the telescopic rod is fixedly connected with a fixed plate at the upper end, and the movable plate is slidably connected to the fixed plate.

[0016] Further, the movable plate is provided with a threaded hole at the top, and a fixed screw is threadedly connected to the threaded hole, and the bottom end of the fixed screw can abut against the fixed plate.

[0017] Further, one side of the movable block is provided with a sliding block, and the sliding groove is T-shaped, and the sliding block and the sliding groove are matched, so that the sliding block is slidable in the sliding groove.

[0018] Further, the top and the bottom of the sliding block are provided with recesses, and the recesses are provided with rollers, and the two rollers abut against the upper wall and the lower wall of the sliding groove respectively.

[0019] Further, the sliding groove is arranged at the inner side of the two supports, and the two supports are combined into a circular frame, so that the sliding groove is annular.

[0020] The beneficial effects of the present application are as follows:

[0021] In the present application, the tank weld detection device is combined into a circular frame through the rotation of the two supports, at this time, the combined two supports are sleeved outside the tank, and since the sliding groove is annular after the combination of the two supports into a circular frame, the movable block can move around the tank through the sliding groove, so that the detection probe moves along the weld position on the outer wall of the tank, and the weld is comprehensively detected.

[0022] Moreover, the detection probe can move up and down through the telescopic rod, so that the detection probe is adjusted according to the weld height of the tank, and is aligned with the weld, and through the transverse movement of the movable plate, the detection probe is brought into contact with the tank weld, so that the tank weld detection of different diameters is adapted. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 The present application provides a kind of tank weld detection device's three-dimensional structure schematic diagram;

[0024] Fig. 2 The present application provides a kind of tank weld detection device's support open state when three-dimensional structure schematic diagram;

[0025] Fig. 3 The present application provides a kind of tank weld detection device's sliding block sectional structure schematic diagram.

[0026] In the figure: 1 first support, 101 jack, 2 rotating shaft, 3 pin, 4 universal wheel, 5 sliding groove, 6 moving block, 601 sliding block, 602 roller, 7 telescopic rod, 8 detection probe, 9 moving plate, 10 fixed plate, 11 fixed screw. DETAILED DESCRIPTION

[0027] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.

[0028] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.

[0029] In the description of the patent, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.

[0030] In the description of the patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the patent can be understood according to the specific circumstances.

[0031] REFERENCE Figs. 1-3 A tank weld detection device is applied to a tank weld detection process, in order to facilitate the detection probe to fit the weld, and to improve the detection effect and detection efficiency.

[0032] The tank weld detection device comprises two supports 1, a telescopic rod 7, a moving plate 9 and a moving block 6.

[0033] The two supports 1 are arc-shaped, one end of each of the two supports 1 is provided with a rotating shaft 2, and the two supports 1 are rotatably connected through the rotating shaft 2, so that the two supports 1 can be combined into a circular frame, so that the two supports 1 can be sleeved outside the vertically placed tank in the open state, and then the two supports 1 are rotated to be combined into a circular frame, so that the two supports 1 combined into a circular frame are sleeved outside the tank.

[0034] The bottom of the support 1 is provided with a universal wheel 4, which facilitates the movement of the support 1.

[0035] One end of the two supports 1 is provided with recesses that are mutually embedded, when the two supports 1 are turned to combine into a circular frame, the recesses of the two supports 1 at the end can be embedded with each other, so that the contact part of the two supports 1 is connected smoothly, and the recesses are provided with corresponding insertion holes 101, the insertion holes 101 are provided with pins 3, after the two supports 1 are connected, the pins 3 are inserted into the insertion holes 101, so as to fix the connecting part of the two supports 1.

[0036] The telescopic rod 7 comprises a plurality of movable sleeves that are sleeved one by one, each movable sleeve can slide with each other, so that the telescopic rod 7 can be contracted, the upper end of the telescopic rod 7 is fixedly connected with a fixed plate 10, a movable plate 9 is slidingly connected on the fixed plate 10, the movable plate 9 is provided with a detection probe 8, the telescopic rod 7 can make the detection probe 8 move up and down, so as to adjust the detection probe 8 according to the height of the weld of the tank body, so that it is aligned with the weld, through the transverse movement of the movable plate 9, the detection probe 8 can be driven to approach the weld of the tank body and be attached to the weld, so as to adapt to tank bodies of different diameters.

[0037] The detection probe 8 is a detection probe of an ultrasonic flaw detector or a detection probe of an X-ray detector.

[0038] The top of the movable plate 9 is provided with a threaded hole, a fixed screw 11 is threadedly connected in the threaded hole, after the movable plate 9 is adjusted and the detection probe 8 is attached to the weld, the fixed screw 11 is tightened, so that the bottom end of the fixed screw 11 abuts against the fixed plate 10, so as to fix the movable plate 9, so that the detection probe 8 is always attached to the weld.

[0039] The two supports 1 are provided with a sliding groove 5 along the length direction, one side of the moving block 6 is provided with a sliding block 601, and the sliding groove 5 is T-shaped, the sliding block 601 and the sliding groove 5 are matched, recesses are formed in the top and bottom of the sliding block 601, rollers 602 are arranged in the recesses, the two rollers 602 abut against the upper wall and the lower wall of the sliding groove 5 respectively, so that the sliding block 601 can slide in the sliding groove 5, the sliding groove 5 is arranged on the inner side of the two supports 1, the two supports 1 are combined into a circular frame, so that the sliding groove 5 is annular, the lower end of the telescopic rod 7 is fixedly connected with the moving block 6, the moving block 6 can move along the annular sliding groove 5, so that the detection probe 8 moves along the support 1 in the form of a circular frame, so as to move around the tank body and detect the weld on the tank body.

[0040] The working principle of the tank body weld detection device is as follows: when used, the two supports 1 are first opened by rotating the shaft 2, then the supports 1 are moved to the place where the tank body is placed by the universal wheels 4, the two supports 1 are turned to combine into a circular frame, at this time, the combined two supports 1 are sleeved outside the tank body, then the pin 3 is inserted into the insertion hole 101, so that the two supports 1 are connected and fixed, when the ultrasonic flaw detector is used for detection, the coupling agent needs to be applied on the weld of the tank body.

[0041] The detection probe 8 moves up and down by the telescopic movement of the telescopic rod 7, so as to adjust the detection probe 8 according to the height of the weld of the tank body, and align the detection probe 8 with the weld, then the detection probe 8 is brought into close contact with the weld of the tank body by the transverse movement of the moving plate 9, after the detection probe 8 is in close contact with the weld, the fixing screw 11 is tightened, so that the lower end of the fixing screw 11 abuts against the fixing plate, thereby the moving plate 9 is fixed, so that the detection probe 8 is always in close contact with the weld;

[0042] Finally, the moving block 6 is pushed to slide in the slide groove 5 by the sliding block 601, since the slide groove 5 is annular after the two brackets 1 are combined into a circular frame, the moving block 6 moves around the tank body, so that the detection probe 8 moves along the weld position on the outer wall of the tank body, and the weld is comprehensively detected.

[0043] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A can body weld inspection apparatus characterized by, The utility model relates to a kind of movable detection device, including: Two supports (1), two the support (1) are arc-shaped, and one end of two the support (1) is rotatably connected, so that two the support (1) can be combined into circular frame, and the circular frame is provided with sliding slot (5) along circumference direction; Telescopic rod (7); Moving plate (9) is slidably connected to the upper end of the telescopic rod (7), and the moving plate (9) is provided with detection probe (8); And moving block (6) is slidably connected with two the support (1) by the sliding slot (5), and the lower end of the telescopic rod (7) is fixedly connected to the moving block (6), and the moving block (6) can move along the sliding slot (5), so that the detection probe (8) moves along the circular frame.

2. A can body weld inspection apparatus as defined in claim 1, wherein: The bottom of the support (1) is provided with universal wheel (4).

3. A can body weld inspection apparatus as defined in claim 1, wherein: One end of two the support (1) is provided with rotating shaft (2), and two the support (1) is rotatably connected by the rotating shaft (2).

4. A can body weld inspection apparatus as defined in claim 1, wherein: One end of two the support (1) is provided with recess mutually embedded, recess is provided with corresponding insertion hole (101) on it, and the insertion hole (101) is provided with pin (3).

5. A can body weld inspection apparatus as defined in claim 1, wherein: The telescopic rod (7) includes a plurality of nested moving sleeves, and each moving sleeve can slide relative to each other, so that the telescopic rod (7) can be contracted.

6. A can body weld inspection apparatus as defined in claim 1, wherein: The upper end of the telescopic rod (7) is fixedly connected with fixed plate (10), and the moving plate (9) is slidably connected to the fixed plate (10).

7. A can body weld inspection apparatus as defined in claim 6, wherein: The top of the moving plate (9) is provided with threaded hole, and fixed screw (11) is threadedly connected in the threaded hole, and the bottom end of the fixed screw (11) can abut against the fixed plate (10).

8. A can body weld inspection apparatus as defined in claim 1, wherein: One side of the moving block (6) is provided with sliding block (601), and the sliding slot (5) is T-shaped, and the sliding block (601) and the sliding slot (5) are matched, so that the sliding block (601) can slide in the sliding slot (5).

9. A can body weld inspection apparatus as defined in claim 8, wherein: The top and bottom of the sliding block (601) are provided with recess, and the recess is provided with roller (602), and two the roller (602) abut against the upper wall and the lower wall of the sliding slot (5) respectively.

10. The can body weld inspection apparatus of claim 1 wherein: The sliding slot (5) is arranged on the inner side of two the support (1), and two the support (1) is combined into circular frame, so that the sliding slot (5) is annular.

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