Device for detecting thickness of coating on inner wall of oil pipe

Abstract

The utility model discloses an oil pipe inner wall coating thickness detection device which comprises a base, the base is provided with an upper table top and a lower table top, the upper table top is fixedly connected with a clamping mechanism, the lower table top is connected with a sliding plate in a sliding mode, a bottom connecting part of the sliding plate penetrates through the lower table top and extends into a cavity of the base, and the upper table top and the lower table top are fixedly connected with the clamping mechanism. A driving mechanism used for driving the sliding plate to move left and right is arranged in the cavity. A first driving motor is fixedly connected to one side of the top of the sliding plate, a rotating rod is fixedly connected to the output end of the first driving motor, one end of the rotating rod sequentially penetrates through the sliding plate and the fixed plate and is fixedly connected with a coating thickness detector, and the fixed plate is fixedly connected with the upper table top. The oil pipe inner wall coating thickness detection device can detect the coating thickness of the inner wall of an oil pipe, can prevent missing parts in the oil pipe during detection, and improves the detection accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline detection, in particular to a device for detecting the thickness of an inner wall coating of an oil pipe. Background Art

[0002] Coating thickness measurement is of great significance in modern industrial production. The thickness detection of wear-resistant and anti-corrosion coating on the inner wall of pipeline is an important step in pipeline quality inspection. When existing detection equipment detects the thickness of pipeline inner wall coating, due to the poor control performance of the pipeline inner wall anti-corrosion coating thickness detection device, it is impossible to conduct in-depth and comprehensive inspection of the inner wall of the pipeline, resulting in missed parts in the internal inspection of the pipeline, reducing the detection accuracy of the detection device and failing to guarantee the quality of steel pipelines.

[0003] Based on the above situation, the utility model proposes a device for detecting the thickness of the coating on the inner wall of an oil pipe, which can effectively solve the above problems. Utility Model Content

[0004] The present invention aims to provide a device for measuring the coating thickness of the inner wall of an oil pipe. The device comprises a device for measuring the coating thickness of the inner wall of an oil pipe, wherein the oil pipe to be measured is placed in the V-shaped groove of a lower clamp. The upper clamp is moved downward by a cylinder to clamp the oil pipe to be measured. The sliding plate is then moved leftward by a drive mechanism, allowing a rotating rod and a coating thickness detector to extend into the oil pipe. The rotating rod and the coating thickness detector are then rotated by a first drive motor, thereby facilitating the measurement of the coating thickness of the inner wall of the oil pipe. Furthermore, the device prevents missed areas from being detected within the oil pipe, thereby increasing measurement accuracy.

[0005] The utility model is achieved through the following technical solutions:

[0006] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structure is hinged on the base, is fixed with a backing pin on the interlocking structure, and an end of sliding panel withstands on the backing pin of interlocking structure.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the driving mechanism includes a screw rod, which is threadedly connected to the bottom connecting part of the sliding plate, one end of the screw rod is rotatably connected to the inner wall of the cavity through a rotating seat, and the other end of the screw rod passes through the side wall of the cavity and is fixedly connected to the output end of the second drive motor.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the bottom of the upper clamp and the top of the lower clamp are both provided with V-shaped grooves.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, a detection probe is provided on the side of the coating thickness detector.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, the lower table is provided with a groove for the bottom connecting part to pass through.

[0011] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0012] The utility model provides a device for detecting the coating thickness of the inner wall of an oil pipe. The device places the oil pipe to be tested in the V-shaped groove of the lower clamp, and the upper clamp moves downward under the action of the cylinder to clamp the oil pipe to be tested. Then the sliding plate moves to the left under the action of the driving mechanism, so that the rotating rod and the coating thickness detector can be extended into the oil pipe, and the rotating rod and the coating thickness detector can be rotated under the action of the first driving motor, thereby facilitating the detection of the coating thickness of the inner wall of the oil pipe, preventing the occurrence of missed parts in the detection of the inner wall of the oil pipe, and increasing the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0015] Figure 3 This is a structural diagram of the upper clamp or the lower clamp of the utility model. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific embodiments. However, it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting this patent. To better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the dimensions of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and are not to be construed as limiting this patent.

[0017] A device for detecting the thickness of the coating on the inner wall of an oil pipe comprises a base 1, wherein the base 1 is provided with an upper table 101 and a lower table 102, wherein the upper table 101 is fixedly connected to a clamping mechanism, wherein the clamping mechanism comprises an upper clamp 2 and a lower clamp 3 for clamping an oil pipe 4, wherein the lower clamp 3 is fixedly connected to the upper table 101; the top two sides of the upper clamp 2 are respectively fixedly connected to the telescopic ends of the cylinder 5, wherein the cylinder 5 is fixedly connected to the top of the bracket 6, wherein the bracket 6 is fixedly connected to the upper table 101; the lower table 102 is slidably connected to the upper table 101 There is a sliding plate 7, the bottom connecting part 701 of the sliding plate 7 passes through the lower table 102 and extends into the cavity 8 of the base 1, and a driving mechanism for driving the sliding plate 7 to move left and right is provided in the cavity 8; a first driving motor 9 is fixedly connected to the top side of the sliding plate 7, and the output end of the first driving motor 9 is fixedly connected to a rotating rod 10, one end of the rotating rod 10 passes through the sliding plate 7 and the fixed plate 11 in sequence and is fixedly connected to a coating thickness detector 12, and the fixed plate 11 is fixedly connected to the upper table 101.

[0018] The utility model places the oil pipe 4 to be tested in the V-shaped groove 16 of the lower clamp 3, and the upper clamp 2 moves downward under the action of the cylinder 5 to clamp the oil pipe 4 to be tested, and the sliding plate 7 moves to the left under the action of the driving mechanism, so that the rotating rod 10 and the coating thickness detector 12 can be extended into the oil pipe 4, and the rotating rod 10 and the coating thickness detector 12 can be rotated under the action of the first driving motor 9, so as to facilitate the detection of the coating thickness of the inner wall of the oil pipe 4, and can prevent the oil pipe 4 from being missed during the detection, thereby increasing the detection accuracy.

[0019] Furthermore, in another embodiment, the drive mechanism includes a screw 13, which is threadedly connected to the bottom connection portion 701 of the sliding plate 7. One end of the screw 13 is rotatably connected to the inner wall of the cavity 8 via a rotating seat 14, and the other end of the screw 13 passes through the side wall of the cavity 8 and is fixedly connected to the output end of the second drive motor 15. By providing the drive mechanism, the interaction between the screw 13, the rotating seat 14, and the second drive motor 15 can drive the sliding plate 7 to move left and right, thereby allowing the rotating rod 10 and the coating thickness detector 12 to extend into the oil pipe.

[0020] Furthermore, in another embodiment, the bottom of the upper clamp 2 and the top of the lower clamp 3 are both provided with a V-shaped groove 16. By providing the V-shaped groove 16, the clamping mechanism can clamp the oil pipes 4 of different diameters.

[0021] Furthermore, in another embodiment, a detection probe 121 is provided on the side of the coating thickness detector 12 .

[0022] Furthermore, in another embodiment, the lower table 102 is provided with a groove 17 for the bottom connecting portion 701 to pass through.

[0023] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the oil pipe inner wall coating thickness detection device of the present invention, and can produce the positive effects described in the present invention.

[0024] Unless otherwise specified, in this utility model, if there are terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicating orientation or positional relationships, they are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationships in this utility model are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, they can understand the specific meanings of the above terms in conjunction with the accompanying drawings and according to specific circumstances.

[0025] Unless otherwise specified or limited, the terms "disposed," "connected," and "connected" in this utility model should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A device for detecting the thickness of the coating on the inner wall of an oil pipe, characterized in that: The utility model comprises a base (1), wherein the base (1) is provided with an upper table (101) and a lower table (102), wherein the upper table (101) is fixedly connected with a clamping mechanism, wherein the clamping mechanism comprises an upper clamp (2) and a lower clamp (3) for clamping an oil pipe (4), wherein the lower clamp (3) is fixedly connected with the upper table (101); the top two sides of the upper clamp (2) are respectively fixedly connected with the telescopic ends of a cylinder (5), wherein the cylinder (5) is fixedly connected with the top of a bracket (6), and the bracket (6) is fixedly connected with the upper table (101); and the lower table (102) is slidably connected with a sliding plate (7). The bottom connecting portion (701) of the sliding plate (7) passes through the lower table (102) and extends into the cavity (8) of the base (1); a driving mechanism for driving the sliding plate (7) to move left and right is arranged in the cavity (8); a first driving motor (9) is fixedly connected to one side of the top of the sliding plate (7); an output end of the first driving motor (9) is fixedly connected to a rotating rod (10); one end of the rotating rod (10) passes through the sliding plate (7) and the fixed plate (11) in sequence and is fixedly connected to a coating thickness detector (12); the fixed plate (11) is fixedly connected to the upper table (101).

2. The device for detecting the thickness of the inner wall coating of an oil pipe according to claim 1, characterized in that: The driving mechanism comprises a screw rod (13), the screw rod (13) being threadedly connected to the bottom connecting portion (701) of the sliding plate (7), one end of the screw rod (13) being rotatably connected to the inner wall of the cavity (8) via a rotating seat (14), and the other end of the screw rod (13) passing through the side wall of the cavity (8) and being fixedly connected to the output end of the second driving motor (15).

3. The device for detecting the thickness of the inner wall coating of an oil pipe according to claim 1, characterized in that: The bottom of the upper clamp (2) and the top of the lower clamp (3) are both provided with V-shaped grooves (16).

4. The device for detecting the thickness of the inner wall coating of an oil pipe according to claim 1, characterized in that: A detection probe (121) is arranged on the side of the coating thickness detector (12).

5. The device for detecting the thickness of the inner wall coating of an oil pipe according to claim 1, characterized in that: The lower table surface (102) is provided with a groove (17) for the bottom connecting portion (701) to pass through.

Images