Pipeline corrosion ultrasonic detection equipment

Abstract

The utility model discloses pipeline corrosion ultrasonic detection equipment which comprises a trolley walking on a pipeline, a swing rod is arranged at the front end of the trolley, the middle position of the swing rod is rotationally connected with the trolley, a rotating disc rotating on the trolley is arranged on the trolley, and a cam-shaped driving groove is formed in the side face of the rotating disc. A driving wheel matched with the driving groove is arranged at the rear end of the swing rod, and a probe is arranged at the front end of the swing rod. When the trolley walks on the pipeline, the rotating disc rotates synchronously, under the action of the driving groove and the driving wheel, the swing rod swings up and down continuously, and the probe at the front end of the swing rod makes contact with the pipeline at intervals, so that automatic detection of the corrosion degree of the pipeline is achieved, the detection efficiency is improved, meanwhile, manual holding of the probe for sequential detection is not needed, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection technical field, concretely is a pipeline corrosion ultrasonic detection equipment. BACKGROUND

[0002] Pipeline corrosion ultrasonic detection is a kind of nondestructive testing method for detecting pipeline wall thickness variation and corrosion defect by ultrasonic technology, is widely used in the corrosion detection of industrial pipeline.Ultrasonic detection utilizes the propagation characteristic of ultrasonic wave in pipeline wall, by emitting and receiving ultrasonic wave signal, the reflection, attenuation etc. of signal are analyzed, so as to judge the thickness variation and corrosion condition of pipeline wall.Ultrasonic thickness gauge is the commonly used tool for detecting pipeline wall thickness variation, and is especially suitable for detecting the corrosion condition of inner and outer wall of pipeline.It can quickly and accurately measure wall thickness by emitting and receiving ultrasonic wave signal by double-crystal probe.

[0003] But in the existing detection process, it is all through artificial hand-held probe, and is detected by sticking to pipeline wall, and detection efficiency is low, and also increase labor intensity. UTILITY MODEL CONTENT

[0004] The utility model aims at solving above-mentioned problem, provides a kind of pipeline corrosion ultrasonic detection equipment, can realize the automatic detection of pipeline, improves detection efficiency.

[0005] The technical scheme that the utility model solves its technical problem is as follows:

[0006] A kind of pipeline corrosion ultrasonic detection equipment, including the trolley that is walked on pipeline, the swing bar of rotationally connected between the middle position and trolley is equipped in trolley front end, trolley is equipped with the turntable that is rotated on trolley, the cam-shaped drive slot of drive groove is equipped in the side of turntable, the drive wheel of drive groove cooperation is equipped in the rear end of swing bar, the probe is equipped in the front end of swing bar.

[0007] Further, the middle position of swing bar is equipped with the fixed shaft of rotationally connected between both ends and trolley.

[0008] Further, the rotating shaft is equipped in trolley, and the turntable is arranged on the rotating shaft.

[0009] Further, the rotating shaft of the running wheel of trolley is connected by synchronous belt with the rotating shaft.

[0010] Further, the mounting plate is equipped in the front end of swing bar, the upper end of probe is equipped with the sliding rod that passes through the mounting plate and is slidably connected between mounting plate, and the compression spring is equipped on the sliding rod.

[0011] Further, the lifting frame is equipped in the lower end of trolley, and the support wheel is equipped in the bottom of lifting frame.

[0012] Furthermore, guide sleeves are provided on both sides of the trolley, and the two ends of the lifting frame pass through the guide sleeves. Locking screws for locking the lifting frame are provided on the guide sleeves.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model includes a trolley that travels on a pipeline. The trolley has a swing arm rotatably connected to its central position at its front end. A turntable rotates on the trolley, and a cam-shaped drive groove is provided on the side of the turntable. A drive wheel that engages with the drive groove is located at the rear end of the swing arm, and a probe is located at the front end of the swing arm. When the trolley travels on the pipeline, the turntable rotates synchronously. Under the action of the drive groove and the drive wheel, the swing arm continuously swings up and down. The probe at the front end of the swing arm contacts the pipeline intermittently, thereby achieving automatic detection of the pipeline's corrosion level, improving detection efficiency, and eliminating the need for manual inspection by holding the probe sequentially, thus reducing labor intensity. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 2 ;

[0018] Figure 3 This is the front view of the present utility model.

[0019] In the diagram: 1. Cart; 2. Swing rod; 3. Turntable; 4. Probe; 5. Fixed shaft; 6. Rotating shaft; 7. Synchronous belt; 8. Mounting plate; 9. Slide rod; 10. Compression spring; 11. Lifting frame; 12. Support wheel; 13. Guide sleeve; 14. Locking screw. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0021] like Figure 1And Figure 2 As shown in the figure, a pipeline corrosion ultrasonic detection device, including a trolley 1 on the pipeline, the trolley 1 front end is provided with a swing rod 2, the trolley 1 is provided with a rotating disc 3, the rotating disc 3 side is provided with a cam-shaped drive slot 3, the swing rod 2 rear end is provided with a drive wheel matched with the drive slot 3, the swing rod 2 front end is provided with a probe 4. When the trolley 1 walks on the pipeline, the rotating disc 3 rotates synchronously, under the action of the drive slot 3 and the drive wheel, the swing rod 2 swings up and down constantly, the probe 4 at the front end of the swing rod 2 contacts the pipeline at intervals, thereby realizing automatic detection of the pipeline corrosion degree, improving the detection efficiency, and reducing the labor intensity without manual holding of the probe.

[0022] As shown in the figure, Figure 1 The swing rod 2 is provided with a fixed shaft 5 rotatably connected between the two ends of the trolley 1 at the middle position.

[0023] As shown in the figure, Figure 1 The trolley 1 is provided with a rotating shaft 6, and the rotating disc 3 is arranged on the rotating shaft 6.

[0024] As shown in the figure, Figure 3 The rotating shaft of the walking wheel of the trolley 1 is connected with the rotating shaft 6 through a synchronous belt 7, and the rotating shaft 6 rotates synchronously under the action of the synchronous belt 7 when the trolley 1 walks.

[0025] As shown in the figure, Figure 2 The swing rod 2 is provided with a mounting plate 8, the probe 4 is provided with a sliding rod 9 penetrating through the mounting plate 8 and being slidably connected with the mounting plate 8, the sliding rod 9 is provided with a compression spring 10, the lower end of the compression spring 10 is in contact with the probe 4, the upper end of the compression spring 10 is in contact with the mounting plate 8, the upper end of the sliding rod 9 is provided with a baffle to prevent the sliding rod 9 from falling. When the probe 4 contacts the pipeline, the compression spring 10 is compressed under force to prevent damage to the probe.

[0026] As shown in the figure, Figure 2 The lower end of the trolley 1 is provided with a lifting frame 11, and the bottom of the lifting frame 11 is provided with a supporting wheel 12. After the trolley 1 is arranged on the pipeline, the lifting frame 11 is lifted, and the supporting wheel 12 is in contact with the bottom of the pipeline, thereby realizing fixation of the trolley and preventing the trolley from falling off the pipeline.

[0027] As shown in the figure, ​ The trolley 1 is provided with a guide sleeve 13 on both sides, the lifting frame 11 passes through the guide sleeve 13, and the guide sleeve 13 is provided with a locking screw 14 for locking the lifting frame. By loosening the locking screw 14, the height of the lifting frame 11 can be adjusted to adapt to pipelines of different diameters.

[0028] In the description of the utility model, it is to be explained that, the orientation or position relation indicated by the terms "left", "right", "up", "down" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0029] In the description of the utility model, it is to be explained that, unless another explicit provision and limitation, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. An ultrasonic testing device for pipeline corrosion, comprising a trolley (1) that travels on the pipeline, characterized in that, The front end of the trolley (1) is provided with a swing arm (2) that is rotatably connected to the trolley (1) at the middle position. The trolley (1) is provided with a turntable (3) that rotates on the trolley (1). The side of the turntable (3) is provided with a cam-shaped drive groove (15). The rear end of the swing arm (2) is provided with a drive wheel that cooperates with the drive groove (15). The front end of the swing arm (2) is provided with a probe (4).

2. The ultrasonic testing equipment for pipeline corrosion as described in claim 1, characterized in that, The swing arm (2) has a fixed shaft (5) at the middle position, which is rotatably connected to the trolley (1) at both ends.

3. The ultrasonic testing equipment for pipeline corrosion as described in claim 1, characterized in that, The trolley (1) is equipped with a rotating shaft (6), and the turntable (3) is mounted on the turntable (3).

4. The ultrasonic testing equipment for pipeline corrosion as described in claim 3, characterized in that, The axle of the traveling wheel of the trolley (1) is connected to the axle (6) via a timing belt (7).

5. The ultrasonic testing equipment for pipeline corrosion as described in claim 1, characterized in that, The swing arm (2) has a mounting plate (8) at its front end, and the probe (4) has a slide rod (9) at its upper end that passes through the mounting plate (8) and is slidably connected to the mounting plate (8). The slide rod (9) has a compression spring (10).

6. The ultrasonic testing equipment for pipeline corrosion as described in claim 1, characterized in that, The trolley (1) is provided with a lifting frame (11) at the lower end, and the lifting frame (11) is provided with a support wheel (12) at the bottom.

7. The ultrasonic testing equipment for pipeline corrosion as described in claim 6, characterized in that, The trolley (1) has guide sleeves (13) on both sides, and the lifting frame (11) passes through the guide sleeves (13) at both ends. The guide sleeves (13) are equipped with locking screws (14) for locking the lifting frame.

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