Pipeline inner wall ovality detection device

Abstract

The utility model discloses a pipeline inner wall ovality detection device, which relates to the technical field of pipeline detection, and comprises a plurality of uniformly arranged supports, the bottom ends of the supports are provided with a feeding mechanism, and one side of the feeding mechanism is provided with a plurality of uniformly arranged conveying mechanisms; a detection table is arranged on one side of one conveying mechanism, an ovality detection mechanism is arranged in the detection table, and a display is arranged at the top end of the detection table; a plurality of first pipeline containing grooves are formed in the top end of the support. The pipeline ovality detection device is scientific and novel in structure, realizes continuous and automatic ovality detection of the pipeline through the cooperation of a plurality of mechanisms, not only improves the detection precision and efficiency, but also increases the operation flexibility and adaptability, and greatly improves the overall quality and safety of pipeline production and maintenance work.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline detection, in particular to a pipeline inner wall ovality detection device. Background Art

[0002] Gas pipelines are pipe systems used to transport natural gas or other fuel gases. They play a very important role in modern life and are used for a variety of purposes such as domestic, commercial and industrial heating, cooking and power generation. Ovality testing of gas pipelines is a very important process that ensures the integrity and safety of the pipeline. Ovality, in simple terms, is a measure of the degree to which the cross-section of the pipeline deviates from a circular shape.

[0003] For example, Chinese patent CN216593316U discloses a cylindrical barrel ovality detection device for construction, including a base, a fixed seat, a reducer, a bearing seat and a detection mechanism, a platform and a gradient slope are arranged on the base, a fixed seat is fixedly installed on the platform by bolts, a bearing seat is fixedly arranged on the fixed seat, and a detection mechanism is fixedly installed on the detection bracket, which has a high detection effect and improves the safety quality of the project. The above-mentioned ovality detection device is also suitable for pipeline detection, but when the above-mentioned ovality detection device is applied to pipeline detection, it cannot realize continuous automatic detection, which will increase the workload and detection time, and further affect the detection efficiency of the pipeline. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a pipeline inner wall ovality detection device to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A device for detecting the ovality of the inner wall of a pipeline comprises a plurality of evenly arranged brackets, a feeding mechanism is arranged at the bottom end of the brackets, and a plurality of evenly arranged conveying mechanisms are arranged on one side of the feeding mechanism; a detection platform is arranged on one side of one of the conveying mechanisms, an ovality detection mechanism is arranged inside the detection platform, and a display is arranged on the top of the detection platform.

[0007] Furthermore, in order to achieve the placement of the pipeline, a plurality of pipeline placement grooves are provided on the top of the bracket.

[0008] Furthermore, in order to accurately and correctly send the pipelines to be inspected for inspection one by one, not only the continuity of pipeline inspection is improved, but also an efficient inspection process is guaranteed. The feeding mechanism includes a box body arranged at the bottom end of the bracket, and vertical plates are symmetrically arranged inside the box body. A feeding motor is arranged in the middle of one side of the vertical plate, and the output shaft of the feeding motor passes through the side wall of the vertical plate and is sleeved with a driving gear, and driven gears are meshed on both sides of the driving gear; an installation shaft connected to the vertical plate is inserted in the middle of the driven gear, and a convex rod is eccentrically arranged on one side of the driven gear, and a vertical rod is sleeved on the outer side of the convex rod, and a cross bar is arranged on the top of the vertical rod; the top of the box body is symmetrically provided with limit holes matching the vertical rod.

[0009] Furthermore, in order to place the pipeline and prevent it from falling during transportation, a plurality of evenly arranged pipeline placement grooves 2 are provided at the top of the cross bar, and the cross section of the pipeline placement grooves 2 is an arc-shaped structure.

[0010] Furthermore, in order to realize the transportation of the pipeline, after the pipeline inspection is completed, the conveying roller is driven to move by the conveying motor and sent out of the inspection area to prepare for the inspection of the next pipeline, which greatly shortens the inspection cycle of a single pipeline and improves the efficiency of the overall inspection process. The conveying mechanism includes a mounting frame arranged on one side of the feeding mechanism, and bearing seats are symmetrically arranged on the top of the mounting frame. Conveying rollers are arranged between the bearing seats, and a conveying motor is arranged on one side of one of the bearing seats, and the output shaft of the conveying motor passes through the side wall of the bearing seat and is connected to the conveying roller.

[0011] Furthermore, in order to adapt to the detection of pipes with different diameters and improve the adaptability of the ovality detection device, the diameter of the conveying roller gradually decreases from the two ends to the middle.

[0012] Furthermore, in order to realize the detection of the pipeline, the ovality of the inner wall of the pipeline can be accurately measured by the detection probe driven by the electric telescopic rod and the stepper motor, and the ovality detection is realized by rotating the detection probe, which can be applied to the detection of pipelines with different diameters, thereby improving the flexibility of the ovality detection device. The ovality detection mechanism includes a guide rail symmetrically arranged inside the detection table, a movable plate is arranged at the top of the guide rail, an electric telescopic rod is arranged on one side of the movable plate and between the guide rails, a stepper motor is arranged at the top of the movable plate, and a detection probe is arranged at one end of the output shaft of the stepper motor.

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

[0014] 1. The utility model has a scientific and novel structure. Through the cooperation of multiple mechanisms, it realizes continuous and automatic ovality detection of pipelines, which not only improves the accuracy and efficiency of detection, but also increases the flexibility and adaptability of operation, greatly improving the overall quality and safety of pipeline production and maintenance work.

[0015] 2. By setting up a feeding mechanism, the pipelines to be inspected can be sent in for inspection accurately and one by one, which not only improves the continuity of pipeline inspection, but also ensures an efficient inspection process.

[0016] 3. By setting up a conveying mechanism, the pipeline can be transported. After the pipeline inspection is completed, the conveying motor drives the conveying roller to move and send it out of the inspection area to prepare for the inspection of the next pipeline, which greatly shortens the inspection cycle of a single pipeline and improves the efficiency of the overall inspection process.

[0017] 4. By setting up an ovality detection mechanism, the detection of the pipeline is realized. The ovality of the inner wall of the pipeline can be accurately measured through the detection probe driven by the electric telescopic rod and the stepper motor. The ovality detection is realized by rotating the detection probe. It can be applied to the detection of pipelines with different diameters, thereby improving the flexibility of the ovality detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a pipeline inner wall ovality detection device according to an embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of another angle of a pipeline inner wall ovality detection device according to an embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a feeding mechanism in a pipeline inner wall ovality detection device according to an embodiment of the utility model;

[0022] Figure 4 It is a structural schematic diagram of a conveying mechanism in a pipeline inner wall ovality detection device according to an embodiment of the utility model;

[0023] Figure 5 The utility model is an assembly diagram of a detection platform and a detection mechanism in a pipeline inner wall ovality detection device according to an embodiment of the utility model.

[0024] In the figure:

[0025] 1. Bracket; 101. Pipe placement slot one; 2. Feeding mechanism; 201. Box; 2011. Limiting hole; 202. Vertical plate; 203. Feeding motor; 204. Driving gear; 205. Driven gear; 206. Mounting shaft; 207. Protruding rod; 208. Vertical rod; 209. Cross bar; 2091. Pipe placement slot two; 3. Conveying mechanism; 301. Mounting frame; 302. Bearing seat; 303. Conveying roller; 304. Conveying motor; 4. Testing table; 5. Ovality detection mechanism; 501. Guide rail; 502. Moving plate; 503. Electric telescopic rod; 504. Stepping motor; 505. Detection probe; 6. Display. DETAILED DESCRIPTION

[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0027] According to an embodiment of the utility model, a device for detecting the ovality of an inner wall of a pipeline is provided.

[0028] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-Figure 5 As shown, the pipeline inner wall ovality detection device according to the embodiment of the utility model comprises a plurality of evenly arranged brackets 1, a feeding mechanism 2 is arranged at the bottom end of the bracket 1, and a plurality of evenly arranged conveying mechanisms 3 are arranged on one side of the feeding mechanism 2; a detection platform 4 is arranged on one side of one of the conveying mechanisms 3, an ovality detection mechanism 5 is arranged inside the detection platform 4, and a display 6 is arranged on the top of the detection platform 4; a plurality of pipeline placement slots 101 are arranged on the top of the bracket 1.

[0029] With the aid of the above-mentioned technical scheme of the utility model, the utility model has a scientific and novel structure, and realizes continuous and automatic ovality detection of the pipeline through the cooperation of multiple mechanisms, which not only improves the accuracy and efficiency of the detection, but also increases the flexibility and adaptability of the operation, greatly improving the overall quality and safety of pipeline production and maintenance work.

[0030] In one embodiment, for the above-mentioned feeding mechanism 2, the feeding mechanism 2 includes a box body 201 arranged at the bottom end of the bracket 1, and a vertical plate 202 is symmetrically arranged inside the box body 201. A feeding motor 203 is arranged in the middle of one side of the vertical plate 202, and the output shaft of the feeding motor 203 passes through the side wall of the vertical plate 202 and is sleeved with a driving gear 204, and both sides of the driving gear 204 are meshed with driven gears 205; a mounting shaft 206 connected to the vertical plate 202 is inserted in the middle of the driven gear 205, and a protruding rod 207 is eccentrically arranged on one side of the driven gear 205, and the protruding rod A vertical rod 208 is sleeved on the outer side of 207. In addition, in specific applications, the convex rod 207 is movably connected to the vertical rod 208, and a cross bar 209 is arranged on the top of the vertical rod 208; the top of the box body 201 is symmetrically provided with limiting holes 2011 that match the vertical rod 208; the top of the cross bar 209 is provided with a plurality of evenly arranged pipe placement grooves 2091, and the cross section of the pipe placement grooves 2091 is an arc structure, so that the pipes to be inspected can be accurately and one by one sent for inspection, which not only improves the continuity of pipeline inspection, but also ensures an efficient inspection process.

[0031] The working principle of the feeding mechanism 2 is as follows: the output shaft of the feeding motor 203 drives the driving gear 204 to rotate, and then drives the driven gear 205 to rotate, and under the action of the convex rod 207, drives the vertical rod 208 to perform circular motion, so that the pipelines to be inspected can be driven to move one by one under the action of the cross bar 209 and fall onto the conveying mechanism 3.

[0032] In one embodiment, for the above-mentioned conveying mechanism 3, the conveying mechanism 3 includes a mounting frame 301 arranged on one side of the feeding mechanism 2, and bearing seats 302 are symmetrically arranged on the top of the mounting frame 301, and conveying rollers 303 are arranged between the bearing seats 302. In addition, in specific applications, the above-mentioned conveying rollers 303 are connected to the bearing seats 302 through bearings, and a conveying motor 304 is arranged on one side of one bearing seat 302, and the output shaft of the conveying motor 304 passes through the side wall of the bearing seat 302 and is connected to the conveying roller 303; the diameter of the conveying roller 303 gradually decreases from both ends to the middle, thereby realizing the conveying of the pipeline. After the pipeline inspection is completed, the conveying roller 303 is driven to move by the conveying motor 304 and sent out of the inspection area to prepare for the inspection of the next pipeline, which greatly shortens the inspection cycle of a single pipeline and improves the efficiency of the overall inspection process.

[0033] The working principle of the conveying mechanism 3 is as follows: after the pipeline inspection is completed, the conveying roller 303 is driven to rotate by the output shaft of the conveying motor 304, and then the inspected pipeline is conveyed to the next process for processing.

[0034] In one embodiment, for the above-mentioned ovality detection mechanism 5, the ovality detection mechanism 5 includes a guide rail 501 symmetrically arranged inside the detection platform 4, a movable plate 502 is arranged at the top of the guide rail 501, an electric telescopic rod 503 is arranged on one side of the movable plate 502 and between the guide rails 501, a stepper motor 504 is arranged at the top of the movable plate 502, and a detection probe 505 is arranged at one end of the output shaft of the stepper motor 504, thereby realizing the detection of the pipeline. The detection probe driven by the electric telescopic rod 503 and the stepper motor 504 can accurately measure the ovality of the inner wall of the pipeline, and the ovality detection is realized by rotating the detection probe 505, which can be applied to the detection of pipelines with different diameters, thereby improving the flexibility of the ovality detection device.

[0035] The working principle of the ovality detection mechanism 5 is as follows: when the pipeline to be detected falls onto the conveying roller 303 on the conveying mechanism 3, the piston rod of the electric telescopic rod 503 pushes the moving plate 502 to move, and then drives the stepper motor 504 and the detection probe 505 to move to the inside of the pipeline to be detected, and then the output shaft of the stepper motor 504 drives the detection probe 505 to rotate, and then the detection probe 505 performs ovality detection on the inner wall of the pipeline.

[0036] In addition, it should be noted that the detection probe 505 is a laser displacement sensor, which measures the position of an object by emitting a laser beam to the target surface and receiving the reflected laser. The photodetector inside the sensor analyzes the characteristics of the reflected laser, such as phase, intensity or time delay, to determine the distance of the target object. The laser beam will scan in circles along the inner wall of the pipe, while the sensor moves along the axis of the pipe to cover the entire inner wall of the pipe. Data is then collected and signal processing is performed to calculate the maximum and minimum diameters of the pipe cross section. Based on the difference between the maximum and minimum diameters, as well as the average diameter, the ellipticity can be calculated. The principle of ellipticity detection by the above-mentioned detection probe 505 is a prior art and will not be elaborated on here.

[0037] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0038] In actual application, first, the pipe to be inspected is transported to the bracket 1, and then the pipe to be inspected is continuously and one by one moved to the conveying mechanism 3 (the working principle of the conveying mechanism 3 is as described above) through the feeding mechanism 2 (the working principle of the feeding mechanism 2 is as described above), and then the ovality detection mechanism 5 (the working principle of the ovality detection mechanism 5 is as described above) is used to perform ovality detection on the inner wall of the pipe. After the detection is completed, the detection result can be displayed on the display 6, and the inspected pipe is transported to the next process for processing through the conveying mechanism 3, thereby realizing automatic and continuous detection of the pipe and improving the detection efficiency of the pipe.

[0039] In summary, with the help of the above-mentioned technical scheme of the utility model, the structure of the utility model is scientific and novel. Through the cooperation of multiple mechanisms, continuous and automatic ovality detection of the pipeline is realized, which not only improves the accuracy and efficiency of the detection, but also increases the flexibility and adaptability of the operation, and greatly improves the overall quality and safety of pipeline production and maintenance work; by setting the feeding mechanism 2, the pipelines to be detected can be accurately and one by one sent to the detection, which not only improves the continuity of pipeline detection, but also ensures an efficient detection process; by setting the conveying mechanism 3, the transportation of the pipeline is realized. After the pipeline detection is completed, the conveying roller 303 is driven to move by the conveying motor 304 and sent out of the detection area to prepare for the detection of the next pipeline, which greatly shortens the detection cycle of a single pipeline and improves the efficiency of the overall detection process; by setting the ovality detection mechanism 5, the detection of the pipeline is realized. The detection probe driven by the electric telescopic rod 503 and the stepping motor 504 can accurately measure the ovality of the inner wall of the pipeline, and the ovality detection is realized by rotating the detection probe 505, which can be applied to the detection of pipelines of different diameters, thereby improving the flexibility of the ovality detection device.

[0040] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for detecting the ovality of the inner wall of a pipeline, characterized in that: It comprises a plurality of evenly arranged brackets (1), a feeding mechanism (2) being arranged at the bottom end of the bracket (1), and a plurality of evenly arranged conveying mechanisms (3) being arranged on one side of the feeding mechanism (2); A detection platform (4) is provided on one side of one of the conveying mechanisms (3), an ovality detection mechanism (5) is provided inside the detection platform (4), and a display (6) is provided on the top of the detection platform (4).

2. A pipeline inner wall ovality detection device according to claim 1, characterized in that: A plurality of pipe placement slots (101) are provided at the top end of the support (1).

3. A pipeline inner wall ovality detection device according to claim 1, characterized in that: The feeding mechanism (2) comprises a box body (201) arranged at the bottom end of the bracket (1), a vertical plate (202) is symmetrically arranged inside the box body (201), a feeding motor (203) is arranged in the middle of one side of the vertical plate (202), an output shaft of the feeding motor (203) passes through the side wall of the vertical plate (202) and is sleeved with a driving gear (204), and driven gears (205) are meshedly arranged on both sides of the driving gear (204); A mounting shaft (206) connected to the vertical plate (202) is inserted in the middle of the driven gear (205), a protruding rod (207) is eccentrically arranged on one side of the driven gear (205), a vertical rod (208) is sleeved on the outer side of the protruding rod (207), and a horizontal rod (209) is arranged at the top end of the vertical rod (208).

4. A pipeline inner wall ovality detection device according to claim 3, characterized in that: The top of the box body (201) is symmetrically provided with limiting holes (2011) that match the vertical rod (208).

5. A pipeline inner wall ovality detection device according to claim 3 or 4, characterized in that: A plurality of evenly arranged second pipe placement grooves (2091) are provided at the top end of the cross bar (209), and the cross section of the second pipe placement grooves (2091) is an arc-shaped structure.

6. A pipeline inner wall ovality detection device according to claim 1, characterized in that: The conveying mechanism (3) comprises a mounting frame (301) arranged on one side of the feeding mechanism (2); bearing seats (302) are symmetrically arranged at the top of the mounting frame (301); conveying rollers (303) are arranged between the bearing seats (302); a conveying motor (304) is arranged on one side of one of the bearing seats (302); and an output shaft of the conveying motor (304) passes through a side wall of the bearing seat (302) and is connected to the conveying roller (303).

7. A pipeline inner wall ovality detection device according to claim 6, characterized in that: The diameter of the conveying roller (303) gradually decreases from both ends to the middle.

8. The device for detecting the ovality of the inner wall of a pipeline according to claim 6, characterized in that: The ovality detection mechanism (5) comprises a guide rail (501) symmetrically arranged inside the detection platform (4); a movable plate (502) is arranged at the top end of the guide rail (501); an electric telescopic rod (503) is arranged on one side of the movable plate (502) and between the guide rails (501); a stepping motor (504) is arranged at the top end of the movable plate (502); and a detection probe (505) is arranged at one end of the output shaft of the stepping motor (504).

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