Detection equipment for pipeline

By designing a testing device with a geared motor and guide seat, the problem of existing equipment being unable to perform circumferential testing inside pipelines has been solved, enabling comprehensive testing of the pipeline interior, especially flaw detection at the connection between the inlet and the pipeline, thus improving the accuracy and flexibility of the testing.

CN223796511UActive Publication Date: 2026-01-13ANHUI ZEAN ZHICHENG TECH CO LTD
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Patent Information

Application Number
CN202520059081.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-13
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing ultrasonic non-destructive testing equipment has difficulty performing circumferential inspection inside pipelines, especially at the radial inlet and pipeline connection points.

Method used

A testing device comprising a support frame, a geared motor, a detection head, and an ultrasonic probe was designed. The geared motor drives the detection head to rotate, and the design of the guide seat and spring allows the ultrasonic probe to slide directionally on the inner wall of the pipe, achieving all-round detection. The reliability of the detection is improved by spraying coupling agent through a peristaltic pump.

Benefits of technology

It enables comprehensive inspection of the inside of the pipeline, especially the detection of flaws at the connection between the water inlet and the pipeline, thus improving the accuracy and flexibility of the inspection.

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Abstract

The utility model discloses detection equipment for a pipeline. The detection equipment comprises a detection assembly, the detection assembly comprises a supporting frame, a gear motor is arranged on one side of the supporting frame, and a motor shaft of the gear motor penetrates through the supporting frame and then is connected with an arranged detection head. And the detection head is driven to circumferentially rotate in the pipeline through the gear motor. The detection head comprises a shell and a guide seat installed in the shell, a support is arranged in the guide seat, and an ultrasonic probe is arranged on the support. In conclusion, when the gear motor drives the detection head to rotate in the pipeline, the ultrasonic probe is further promoted to rotate in the pipeline, then the equipment can conduct circumference detection on the pipeline, and particularly, a spring arranged in the guide seat is used for promoting the support to drive the probe to abut against the inner wall of the pipeline, so that the detection accuracy of the equipment is improved; in addition, when the supporting frame moves along the pipeline, the equipment can conduct all-around inspection on the interior of the pipeline.
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Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, concretely is a kind of detection equipment for pipeline. BACKGROUND

[0002] Ultrasonic detection mode is through the voltage sent by pulse oscillator to be added to probe, and the ultrasonic wave pulse sent by probe enters material through acoustic coupling medium and propagates in it, after meeting defect, part of reflected energy returns probe along original path, and probe converts it into electric pulse, and it is shown on the fluorescent screen of oscilloscope after being amplified by instrument. According to the position and amplitude of defect reflected wave on fluorescent screen, compared with the reflected wave amplitude of artificial defect in reference test block, the position and approximate size of defect can be determined. However, the existing ultrasonic nondestructive testing equipment exists probe inconveniently, it is difficult to detect the circumferential direction of pipeline from the inside of pipeline, for example, the prior art with announcement number CN110907539B can realize the circumferential detection of pipeline, but it has at least the following defects: 1. cannot detect in the inside of pipeline;2. when the pipeline has multiple water inlets in radial direction, it cannot smoothly detect the connection between water inlet and pipeline. SUMMARY

[0003] The utility model discloses a kind of detection equipment for pipeline, to solve the problem raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of detection equipment for pipeline, including detection component;The detection component includes support frame, the side of the support frame is equipped with speed reducer motor, and the motor shaft of the speed reducer motor passes through the support frame and is connected with the detection head equipped;The detection head includes shell, is mounted in the guiding seat of the shell interior, and is equipped with support in the guiding seat, and is equipped with ultrasonic probe on the support;The inside of the guiding seat is also equipped with spring, and the other side of the spring is in abutment with the support.

[0005] As a preferred technical scheme of the utility model: the radial direction of the guiding seat is also equipped with sliding slot, and is connected with the support by the fastener equipped and passes through the sliding slot, to guide the directional sliding of the support in the guiding seat.

[0006] As a preferred technical scheme of the utility model: the side of the shell away from the speed reducer motor is equipped with cavity, the container equipped is installed in the cavity, and the coupling agent is pumped to the inner wall of pipeline by peristaltic pump in the container.

[0007] As a preferred technical scheme of the utility model: the shell is also equipped with spray head, and the spray head is connected with peristaltic pump in the container by hose.

[0008] The reduction motor is connected with the detection head through the shaft coupling.

[0009] The container is movably installed in the cavity.

[0010] The beneficial effects of the utility model are as follows: when the reduction motor drives the detection head to rotate in the pipeline, the ultrasonic probe is driven to rotate in the pipeline, so that the equipment can perform circumferential detection on the pipeline, in particular, the spring provided in the guide seat drives the support to abut against the inner wall of the pipeline, so that the detection accuracy of the equipment is improved; in addition, when the support moves along the pipeline, the equipment can perform omnibearing detection on the inside of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is an exploded schematic view of the main body structure of the utility model;

[0012] Figure 2 It is a sectional structure schematic view of the detection head of the utility model;

[0013] Figure 3 It is an exploded structure schematic view of the detection head of the utility model;

[0014] Figure 4 It is a sectional structure schematic view of the shell of the utility model;

[0015] Figure 5 It is a state schematic view when the utility model is used in the pipeline.

[0016] In the drawing: 1, detection assembly; 2, shaft coupling; 3, detection head; 30, shell; 31, container; 32, ultrasonic probe; 33, spray head; 34, support; 35, hose; 36, guide seat; 37, spring; 38, fastener; 39, cavity; 310, sliding groove; 4, support frame; 5, reduction motor. DETAILED DESCRIPTION

[0017] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "upper surface" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application 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 of the present application.

[0018] Please refer to Figures 1-5 The utility model provides a kind of detection equipment for pipeline: a detection assembly 1;The detection assembly 1 includes support frame 4, the one side of support frame 4 is equipped with speed reducer 5, and the motor shaft of speed reducer 5 is connected with the detection head 3 equipped after passing through support frame 4;The detection head 3 includes shell 30, guiding seat 36 being installed in the inside of shell 30, and bracket 34 is equipped in guiding seat 36, and ultrasonic probe 32 is equipped on bracket 34;The inside of guiding seat 36 is also equipped with spring 37, and the other side of spring 37 is in abutment with bracket 34.

[0019] As described above, when artificial pushes detection assembly 1 to slide inside pipeline, can promote detection assembly 1 to move along the inside of pipeline, while speed reducer 5 promotes detection head 3 to rotate, the ultrasonic probe on detection head can detect the circumferential surface of pipeline, so that the equipment can move inside pipeline, can detect pipeline in all directions, can be telescoped in guiding seat 36 by spring 37, so that detection head 3 can guarantee that ultrasonic probe 32 is in contact with the inner wall surface of pipeline no matter how to rotate, to improve the accuracy of equipment detection, spring 37 can promote bracket 34 to move outward under the action of no external force, so that the equipment can carry out flaw detection to various inner diameter pipelines.

[0020] Further, the guiding seat 36 is also provided with a sliding groove 310 in the radial direction, and the fastener 38 is connected with the bracket 34 by passing through the sliding groove 310, so as to guide the directional sliding of the bracket 34 in the guiding seat 36, so that the bracket 34 does not have the problem of axial rotation when following the rotation of the shell 30. The fastener 38 is preferably a bolt, which is connected with the internal screw hole provided on the bracket 34 by passing through the sliding groove 310.

[0021] On the basis of the above scheme, the shell 30 is provided with a cavity 39 away from one side of the speed reducer motor 5, the container 31 is installed in the cavity 39, and the coupling agent is pumped to the inner wall of the pipeline through the peristaltic pump inside the container 31. In addition, due to the provision of the cavity 39, the main machine of the ultrasonic probe 32 can be installed in the cavity 39 while facilitating the storage of the container 31.

[0022] Specifically, the shell 30 is further provided with a spray head 33, and the spray head 33 is connected with the peristaltic pump inside the container 31 through a hose 35; wherein the peristaltic pump is selected from the market, for example, the model of JRB130B.

[0023] In summary, when the coupling agent is sprayed to the pipe wall through the spray head 33, the reliability of the ultrasonic probe 32 detection is ensured, and the resistance during the rotation of the ultrasonic probe 32 is reduced.

[0024] Further, since the speed reducer motor 5 is connected with the detection head 3 through the provided shaft coupling 2, the detection head 3 can be smoothly rotated, and the detection head 3 can be easily taken down by disassembling the shaft coupling 2, so that the detection head 3 can be easily repaired and maintained.

[0025] In addition, since the container 31 is movably installed in the cavity 39, the container 31 can be easily taken down to supplement the coupling agent into the container 31; specifically, the container 31 is fixed by connecting the end face of the container 31 with the end face of the shell 30 through the fixing lug.

[0026] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A pipeline inspection device, comprising an inspection component (1); characterized in that: The detection component (1) includes a support frame (4), a reduction motor (5) is provided on one side of the support frame (4), and the motor shaft of the reduction motor (5) passes through the support frame (4) and is connected to the detection head (3). The detection head (3) includes a housing (30), a guide seat (36) installed inside the housing (30), and a bracket (34) provided inside the guide seat (36), on which an ultrasonic probe (32) is provided; The guide seat (36) is also provided with a spring (37), and the other side of the spring (37) abuts against the bracket (34).

2. The pipeline testing equipment according to claim 1, characterized in that: The guide seat (36) is also provided with a groove (310) in the radial direction, and is connected to the bracket (34) through the groove (310) by a fastener (38) so as to guide the bracket (34) to slide in the guide seat (36).

3. A pipeline testing device according to claim 1 or 2, characterized in that: The housing (30) has a cavity (39) on the side away from the geared motor (5). The container (31) is installed in the cavity (39), and the coupling agent is pumped to the inner wall of the pipe by the peristaltic pump inside the container (31).

4. The pipeline testing equipment according to claim 3, characterized in that: The housing (30) is also provided with a nozzle (33), and the nozzle (33) is connected to the peristaltic pump in the container (31) via a hose (35).

5. A pipeline testing device according to claim 4, characterized in that: The geared motor (5) is connected to the detection head (3) via a coupling (2).

6. A pipeline testing device according to claim 5, characterized in that: The container (31) is movably installed inside the cavity (39).

Citation Information

Patent Citations

  • Pipeline non-destructive testing equipment

    CN110907539B