Portable pipeline outer wall defect detection device
By designing a portable pipe external wall defect detection device, a three-dimensional laser scanner is driven to rotate around the pipe using a fixed semi-ring and a drive device, solving the portability and environmental applicability problems in the existing technology, and realizing efficient detection of external wall defects of fixed-installation pipes.
Patent Information
- Application Number
- CN202520058413.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing 3D laser scanners are not portable and have limited operating environments when detecting defects on the outer wall of pipes, making them unsuitable for pipes that are fixedly installed indoors or outdoors.
A portable pipe wall defect detection device was designed, including a fixed semi-ring and mounting components. A drive device is used to drive a 3D laser scanner to rotate around the pipe for scanning. Combined with battery power, it achieves portability and applicability to multiple environments.
It enables portable detection of external wall defects in fixed-installation pipes, is suitable for various operating environments, requires no external power supply, and displays the scan results via laptop software.
Smart Images

Figure CN223784223U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pipeline external wall defect detection devices, and in particular to a portable pipeline external wall defect detection device. Background Technology
[0002] With the development of technology, various detection tools have emerged for detecting defects on the outer wall of pipelines. Among them, 3D laser scanners are used for detecting defects on the outer wall of pipelines due to their advantages of rapid scanning and accurate measurement.
[0003] In existing technologies, 3D laser scanners mainly consist of a 3D laser scanner, a computer, a power supply system, a support frame, and supporting software. When detecting defects on the outer wall of a pipe, the pipe needs to be placed in a specific device and rotated before the 3D laser scanner is used to scan and measure its outer surface. However, this method is inconvenient for detecting pipes that are fixedly installed indoors or outdoors, lacks portability, and is limited by the environment in which it is used. Utility Model Content
[0004] The purpose of this invention is to solve the problems existing in the prior art.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a portable pipe outer wall defect detection device, comprising: a fixed half ring one, a fixed half ring two movably connected to the bottom of the fixed half ring one, an installation component provided on the surface of the fixed half ring one, a driving device provided inside the installation component, arc-shaped installation grooves provided on both sides of the bottom of the installation component, and a scanning component provided on one side of the installation component.
[0006] Furthermore, a limiting groove is fixedly installed on both sides of the surface of the fixed half-ring, a half-tooth ring is installed around the surface of the fixed half-ring, and a T-shaped limiting plate is fixedly installed at both ends of the fixed half-ring.
[0007] Furthermore, two limiting grooves are fixedly installed on both sides of the surface of the fixed semi-ring two, and a semi-toothed ring two is installed around the surface of the fixed semi-ring two. T-shaped limiting grooves are opened at both ends of the fixed semi-ring two, and the two T-shaped limiting grooves are respectively movably fitted on the surface of the two T-shaped limiting plates.
[0008] Furthermore, the mounting assembly includes a movable housing, on the top of which a battery is fixedly mounted. A T-shaped mounting groove is fixedly mounted on one side of the movable housing and the battery. A movable plate is movably embedded inside the T-shaped mounting groove. A threaded hole is formed on the top surface of the movable plate. A concave mounting plate is fixedly mounted on the bottom surface of the movable plate. Mounting holes are formed on both sides of the concave mounting plate. The two sides of the bottom of the movable housing move on the surfaces of two limiting grooves and two half-tooth rings.
[0009] Furthermore, the driving device includes a motor, one side of which is fixedly mounted on one side of the movable housing. The output end of the motor passes through the surface of the movable housing via a bearing and is mounted on a movable shaft. One end of the movable shaft is mounted on one side of the inner cavity of the movable housing via a bearing. A gear is fixedly sleeved on the surface of the movable shaft, and the surface of the gear is meshed with the surface of a semi-tooth ring.
[0010] Furthermore, one side of the arc-shaped mounting groove is fixedly connected to one side of the bottom of the inner cavity of the movable shell, and multiple balls are movably embedded inside the arc-shaped mounting groove. The surface of the arc-shaped mounting groove is alternately movably embedded inside the first limiting groove and the second limiting groove. The two sides of the surfaces of the multiple balls are respectively alternately attached to the two sides inside the first limiting groove and the second limiting groove.
[0011] Furthermore, the scanning component includes a 3D laser scanner body, a mounting plate is fixedly mounted on one side of the 3D laser scanner body, a threaded hole is formed through the surface of one end of the mounting plate, the surface of one end of the mounting plate is movably embedded in the interior of the concave mounting plate, and bolts are embedded in the interior of the mounting hole and the threaded hole.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0013] 1. In this utility model, a fixed half-ring is fitted onto the upper part of one end of the pipe. Then, the arc-shaped mounting groove is inserted into the two limiting grooves to hang the mounting component on the surface of the fixed half-ring. Subsequently, the fixed half-ring is fitted onto the lower part of the pipe and connected and fixed to the fixed half-ring. The height and scanning angle of the 3D laser scanner body are adjusted by tightening and loosening bolts. Finally, the drive device is started to drive the movable shell and the 3D laser scanner body to rotate around the pipe to scan the outer wall of the pipe, which facilitates the detection of defects on the outer wall of the fixedly installed pipe.
[0014] 2. In this utility model, the battery provides power to the motor and the 3D laser scanner body through the circuit, eliminating the need for an external power source. The 3D laser scanner body is connected to an external laptop computer, and the scanning results of the pipeline are displayed through software, making it convenient for mobile use. With the fixed half ring one and fixed half ring two for the fixed installation of each device, the device is portable and suitable for various usage environments. Attached Figure Description
[0015] Figure 1 A schematic diagram of the main body of a portable pipe outer wall defect detection device provided by this utility model;
[0016] Figure 2 A side view of a portable pipe outer wall defect detection device provided by this utility model;
[0017] Figure 3 A schematic diagram of the fixed semi-ring structure of a portable pipe outer wall defect detection device provided by this utility model;
[0018] Figure 4 A cross-sectional structural diagram of the installation components of a portable pipeline external wall defect detection device provided by this utility model;
[0019] Figure 5 A schematic diagram of the installation components of a portable pipeline outer wall defect detection device provided by this utility model.
[0020] Legend:
[0021] 1. Fixed semi-ring one; 101. Limiting groove one; 102. Semi-toothed ring one; 103. T-shaped limiting plate; 2. Fixed semi-ring two; 201. Limiting groove two; 202. Semi-toothed ring two; 203. T-shaped limiting groove; 3. Mounting assembly; 301. Movable shell; 302. Battery; 303. T-shaped mounting groove; 304. Movable plate; 305. Threaded hole one; 306. Concave mounting plate; 307. Mounting hole; 4. Drive device; 401. Motor; 402. Movable shaft; 403. Gear; 5. Arc-shaped mounting groove; 501. Ball bearing; 6. Scanning assembly; 601. 3D laser scanner body; 602. Mounting plate; 603. Threaded hole two. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-5 This utility model provides a technical solution: a portable pipe outer wall defect detection device, comprising: a fixed half ring 1, a fixed half ring 2 movably connected to the bottom of the fixed half ring 1, an installation component 3 provided on the surface of the fixed half ring 1, a driving device 4 provided inside the installation component 3, arc-shaped installation grooves 5 provided on both sides of the bottom of the installation component 3, and a scanning component 6 provided on one side of the installation component 3.
[0024] Specifically: Fixed half-ring 1 and fixed half-ring 2 can be selected in different sizes according to different pipe diameters, so that after fixed half-ring 1 and fixed half-ring 2 are connected, they are clamped and fixed to the outer wall of the pipe. The mounting component 3 is fixed to the surface of fixed half-ring 1 and fixed half-ring 2 through the arc-shaped mounting groove 5 and moved by the driving device 4. The scanning component 6 scans the outer wall of the pipe.
[0025] In one embodiment, limiting grooves 101 are fixedly installed on both sides of the surface of the fixed half-ring 1, a toothed ring 102 is installed around the surface of the fixed half-ring 1, and T-shaped limiting plates 103 are fixedly installed at both ends of the fixed half-ring 1.
[0026] Specifically, such as Figure 1-3 As shown: The T-shaped limiting plate 103 is tightly embedded in the T-shaped limiting groove 203, so that the fixed half ring 1 and the fixed half ring 2 are connected.
[0027] In one embodiment, limiting grooves 201 are fixedly installed on both sides of the surface of the fixed half ring 2, and a half toothed ring 202 is installed around the surface of the fixed half ring 2. T-shaped limiting grooves 203 are opened at both ends of the fixed half ring 2, and the two T-shaped limiting grooves 203 are respectively movably sleeved on the surface of the two T-shaped limiting plates 103.
[0028] Specifically, such as Figure 1-3 As shown: After the fixed half ring 1 and the fixed half ring 2 are connected by the T-shaped limiting plate 103 and the T-shaped limiting groove 203, the two ends of the limiting groove 101 and the limiting groove 201 are tightly fitted, and the half tooth ring 102 and the half tooth ring 202 form a complete tooth ring.
[0029] In one embodiment, the mounting assembly 3 includes a movable housing 301, a battery 302 is fixedly mounted on the top of the movable housing 301, a T-shaped mounting groove 303 is fixedly mounted on one side of the movable housing 301 and the battery 302, a movable plate 304 is movably embedded inside the T-shaped mounting groove 303, a threaded hole 305 is opened on the top of the surface of the movable plate 304, a concave mounting plate 306 is fixedly mounted on the bottom of the surface of the movable plate 304, and mounting holes 307 are opened through the surfaces on both sides of the concave mounting plate 306, and the two sides of the bottom of the movable housing 301 move on the surfaces of two limiting grooves 101 and two half-tooth rings 102.
[0030] Specifically, such as Figure 1 , 4 As shown in Figure 5: The movable shell 301 is movably fitted onto the surfaces of the first limiting groove 101 and the second limiting groove 201 on both sides through the arc-shaped mounting groove 5. The battery 302 provides power to the motor 401 and the 3D laser scanner body 601. The T-shaped mounting groove 303 cooperates with the bolt in the first threaded hole 305 to facilitate the limiting installation and movement adjustment of the movable plate 304. The concave mounting plate 306 passes through the mounting holes 307 on both sides and the second threaded hole 603 and is fixed to the mounting plate 602 with the mounting bolts.
[0031] In one embodiment, the drive device 4 includes a motor 401. One side of the motor 401 is fixedly mounted on one side of the movable housing 301. The output end of the motor 401 passes through the surface of the movable housing 301 through a bearing and is mounted on a movable shaft 402. One end of the movable shaft 402 is mounted on one side of the inner cavity of the movable housing 301 through a bearing. A gear 403 is fixedly sleeved on the surface of the movable shaft 402. The surface of the gear 403 is meshed with the surface of the semi-gear ring 102.
[0032] Specifically, such as Figure 2 and 4 As shown: Gear 403 is matched with half-gear ring 102 and half-gear ring 202 and can be meshed. After the motor 401 is started, it drives the movable shaft 402 and gear 403 to rotate. Gear 403, through meshing with half-gear ring 102 and half-gear ring 202, drives the movable shell 301 to move around the surfaces of fixed half-ring 1 and fixed half-ring 2.
[0033] In one embodiment, one side of the arc-shaped mounting groove 5 is fixedly connected to one side of the bottom of the inner cavity of the movable shell 301. A plurality of balls 501 are movably embedded inside the arc-shaped mounting groove 5. The surface of the arc-shaped mounting groove 5 is alternately movably embedded inside the first limiting groove 101 and the second limiting groove 201. The two sides of the surface of the plurality of balls 501 are respectively alternately attached to the two sides inside the first limiting groove 101 and the second limiting groove 201.
[0034] Specifically, such as Figure 4-5 As shown: The surface of the arc-shaped mounting groove 5 is engaged with the limiting groove 101 and the limiting groove 201, and can move easily through the internal ball bearings 501.
[0035] In one embodiment, the scanning component 6 includes a 3D laser scanner body 601. A mounting plate 602 is fixedly mounted on one side of the 3D laser scanner body 601. A threaded hole 603 is provided through the surface of one end of the mounting plate 602. The surface of one end of the mounting plate 602 is movably embedded in the interior of a concave mounting plate 306. Bolts are installed inside the mounting hole 307 and the threaded hole 603.
[0036] Specifically, such as Figure 1 , 2 As shown in Figure 4: The 3D laser scanner body 601 is a common device in the prior art. The mounting plate 602 adjusts the scanning angle of the 3D laser scanner body 601 by tightening or loosening the bolts in the threaded hole 603.
[0037] Working principle: When using this device for pipeline external wall defect detection, the fixed half-ring 1 is fitted onto the upper part of one end of the pipeline. Then, the arc-shaped mounting grooves 5 on both sides of the bottom of the movable shell 301 are engaged into the two limiting grooves 201, so that the mounting component 3 hangs on the surface of the fixed half-ring 2. Then, the T-shaped limiting grooves 203 at both ends of the fixed half-ring 2 are respectively fitted onto the surfaces of the two T-shaped limiting plates 103 and fixed to the pipeline. The height of the movable plate 304 and the 3D laser scanner body 601 is adjusted by tightening and loosening the bolts in the threaded hole 305. The scanning angle of the 3D laser scanner body 601 is adjusted by adjusting the bolts in the threaded hole 603 and the mounting hole 307. Finally, the motor 401 is started by the external controller to drive the movable shaft 402 and the gear. The rotation of wheel 403 causes gear 403 to mesh with half-tooth ring 102 and half-tooth ring 202, driving the movable shell 301 to rotate on the surfaces of fixed half-ring 1 and fixed half-ring 2. This allows the 3D laser scanner body 601 to scan the outer wall of the pipe, facilitating the detection of defects on the outer wall of fixedly installed pipes. In this device, the battery 302 provides power to the motor 401 and the 3D laser scanner body 601 through a circuit, eliminating the need for an external power source. The 3D laser scanner body 601 is connected to an external laptop computer, and the scanning results of the pipe are displayed through software, making it convenient for mobile use. The fixed half-ring 1 and fixed half-ring 2, along with the fixed installation of each device, make the device portable and suitable for various operating environments.
[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A portable pipe outer wall defect detection device, characterized in that, include: A fixed half-ring one (1) is provided, and a fixed half-ring two (2) is movably connected to the bottom of the fixed half-ring one (1). An installation component (3) is provided on the surface of the fixed half-ring one (1). A driving device (4) is provided inside the installation component (3). Arc-shaped installation grooves (5) are provided on both sides of the bottom of the installation component (3). A scanning component (6) is provided on one side of the installation component (3).
2. The portable pipe outer wall defect detection device according to claim 1, characterized in that: Limiting grooves (101) are fixedly installed on both sides of the surface of the fixed half ring (1), a half toothed ring (102) is installed around the surface of the fixed half ring (1), and T-shaped limiting plates (103) are fixedly installed at both ends of the fixed half ring (1).
3. The portable pipe outer wall defect detection device according to claim 1, characterized in that: Limiting grooves (201) are fixedly installed on both sides of the surface of the fixed semi-ring two (2). A semi-toothed ring two (202) is installed around the surface of the fixed semi-ring two (2). T-shaped limiting grooves (203) are opened at both ends of the fixed semi-ring two (2). The two T-shaped limiting grooves (203) are respectively movably sleeved on the surface of the two T-shaped limiting plates (103).
4. The portable pipe outer wall defect detection device according to claim 1, characterized in that: The mounting assembly (3) includes a movable shell (301), a battery (302) is fixedly mounted on the top of the movable shell (301), a T-shaped mounting groove (303) is fixedly mounted on one side of the movable shell (301) and the battery (302), a movable plate (304) is movably embedded inside the T-shaped mounting groove (303), a threaded hole (305) is opened on the top of the surface of the movable plate (304), a concave mounting plate (306) is fixedly mounted on the bottom of the surface of the movable plate (304), and mounting holes (307) are opened through the surfaces on both sides of the concave mounting plate (306). The two sides of the bottom of the movable shell (301) move on the surfaces of two limiting grooves (101) and two half-tooth rings (102).
5. A portable pipe outer wall defect detection device according to claim 4, characterized in that: The drive device (4) includes a motor (401), one side of which is fixedly installed on one side of the movable housing (301). The output end of the motor (401) passes through the surface of the movable housing (301) through a bearing and is fitted with a movable shaft (402). One end of the movable shaft (402) is mounted on one side of the inner cavity of the movable housing (301) through a bearing. A gear (403) is fixedly sleeved on the surface of the movable shaft (402), and the surface of the gear (403) is meshed with the surface of the semi-tooth ring (102).
6. The portable pipe outer wall defect detection device according to claim 1, characterized in that: One side of the arc-shaped mounting groove (5) is fixedly connected to the bottom side of the inner cavity of the movable shell (301). Multiple balls (501) are movably embedded inside the arc-shaped mounting groove (5). The surface of the arc-shaped mounting groove (5) is alternately movably embedded inside the limiting groove one (101) and the limiting groove two (201). The two sides of the surfaces of the multiple balls (501) are respectively alternately attached to the two sides inside the limiting groove one (101) and the limiting groove two (201).
7. A portable pipe outer wall defect detection device according to claim 4, characterized in that: The scanning component (6) includes a three-dimensional laser scanner body (601). A mounting plate (602) is fixedly installed on one side of the three-dimensional laser scanner body (601). A threaded hole (603) is provided through the surface of one end of the mounting plate (602). The surface of one end of the mounting plate (602) is movably embedded in the interior of a concave mounting plate (306). Bolts are installed inside the mounting hole (307) and the threaded hole (603).