Pipeline flaw detection positioning device

Abstract

The utility model discloses a pipeline flaw detection positioning device which comprises a movable vehicle body and flaw detection equipment positioned at the front end of the advancing direction of the movable vehicle body, the mobile vehicle body consists of a chassis and mobile wheels positioned at two side ends of the chassis; a supporting plate is arranged on the underframe, and a reversing device for driving the flaw detection equipment to adjust the flaw detection angle is arranged on the supporting plate; the reversing device comprises a mounting frame arranged at the tail end of the supporting plate, a positioning seat is arranged on the mounting frame, a hinged movable seat is arranged at the positioning seat, the movable seat performs pitching motion in the vertical direction relative to the positioning seat, a driving frame is connected to the other side of the movable seat, a rotating turntable is arranged at the bottom of the driving frame, and the flaw detection equipment is connected to one side end of the turntable. And the flaw detection equipment is driven by the turntable to rotate in the horizontal direction. The utility model belongs to the technical field of pipeline detection, and particularly provides a pipeline flaw detection device which is used for solving the problems that in the prior art, the positioning precision is poor, the flaw detection angle is inconvenient to adjust, the operation is complex and potential safety hazards exist.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipeline detection technical field, specifically point to a pipeline flaw detection positioning device. BACKGROUND

[0002] In order to guarantee the engineering progress and welding quality of welded pipeline and the operation safety afterwards, prevent the welding defects such as virtual welding, missed welding, scratch and so on in the welding position of pipeline, the commonly used weld detection method is to adopt nondestructive testing, such as ultrasonic, ray, eddy current etc. For pipeline detection, the pipeline inside crawling flaw detection inspection equipment is mostly adopted to carry out ray detection on the weld.

[0003] In the prior art, the positioning and moving mode of the flaw detection device mostly depends on manual operation or fixed track, and the following problems exist: 1. The angle of the flaw detection head cannot be accurately controlled by manual operation, and since the fixed position and angle cannot meet the demand, the detection equipment cannot reach the best position and angle, thereby affecting the accuracy and effect of detection. 2. The existing device lacks automatic function and relies on manual intervention, which not only is low in efficiency, but also has the problem of safety hazard in manual operation in high temperature, high pressure or corrosive environment. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is the problems of poor positioning accuracy, inconvenient adjustment of flaw detection angle and complex operation and safety hazard in the prior art.

[0005] To solve the above problems, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a pipeline flaw detection positioning device, which comprises a mobile vehicle body and a flaw detection equipment located at the front end of the moving direction of the mobile vehicle body.

[0007] The mobile vehicle body is composed of a chassis and moving wheels located at both sides of the chassis, a driving motor is arranged on the chassis, and the output shaft of the driving motor is connected with the central shaft of the moving wheel.

[0008] A support plate is arranged on the chassis, and a reversing device for adjusting the flaw detection angle of the flaw detection equipment is arranged on the support plate.

[0009] The reversing device comprises a mounting bracket arranged at the tail end of the support plate, a positioning seat is arranged on the mounting bracket, a hinged movable seat is arranged at the positioning seat, the movable seat performs vertical pitching motion about the position, a driving bracket is connected to the other side of the movable seat, a rotating turntable is arranged at the bottom of the driving bracket, the flaw detection equipment is connected to one side end of the turntable, and the flaw detection equipment performs horizontal rotation motion under the driving of the turntable.

[0010] Preferably, a motor is provided on one side of the support plate. The output shaft of the motor is connected to the hinge between the movable seat and the positioning seat, driving the movable seat to perform pitching motion. A motor is installed inside the drive frame. The output shaft of the motor is connected to the center of the turntable, driving the turntable to perform rotational motion.

[0011] Preferably, a camera is also provided above the flaw detection equipment to monitor the condition of the inner wall of the pipeline in real time.

[0012] Preferably, one side of the drive frame is also provided with an angle sensor and a processor connected thereto. The angle sensor is set parallel to the flaw detection equipment. The angle sensor is used to monitor the pitch angle of the flaw detection equipment in real time. The processor adjusts the operating status, on / off status, and forward / reverse status of motor one and motor two.

[0013] Preferably, the base frame is further provided with an auxiliary support assembly. Positioning holes are provided on the front and rear sides of the base frame. The auxiliary support assembly includes a support that passes through the positioning hole. A wheel groove is provided at the bottom of the support. A universal roller is provided in the wheel groove. The universal rollers on the front and rear sides and the movable wheels on the left and right sides are distributed in a cross shape about the center of the base frame. This can better fit the irregular surface of the inner wall of the pipe, such as bumps, welds, etc., and reduce the vibration and jamming of the vehicle body.

[0014] Preferably, the top of the support is provided with an I-shaped limiting member, which is composed of an upper slider and a lower slider that are parallel to each other and are respectively provided on the upper and lower sides of the positioning hole. A rotating rod is provided between the upper slider and the lower slider, and the diameter and height of the rotating rod are smaller than the inner diameter and height of the positioning hole.

[0015] Preferably, the outer side of the moving wheel is provided with anti-slip texture to reduce slippage during vehicle movement and improve the equipment's ability to pass through wet or uneven pipes.

[0016] Preferably, the base frame is provided with a battery assembly, which includes a battery holder fixedly mounted on the base frame and a power supply battery mounted on the battery holder. A communication connector and a charging port are also provided on one side of the base frame for communication and power supply.

[0017] Preferably, the flaw detection equipment uses an ultrasonic small-diameter pipe flaw detection probe, which is suitable for the detection of small-diameter pipes.

[0018] The beneficial effects of this utility model by adopting the above structure are as follows:

[0019] 1. By setting up a reversing device, horizontal rotation and vertical pitch angle adjustment can be achieved, making it easy to freely adjust the flaw detection angle.

[0020] 2. Add an angle sensor and set it to be parallel to the flaw detection equipment. Use the angle sensor to monitor the pitch angle of the flaw detection equipment in real time. Use a camera to help determine the position and angle of the flaw detection. Adjust the operating status of motor one and motor two through the processor to achieve precise positioning.

[0021] 3. Users send commands through an external terminal, and the processor automatically completes the tasks of movement, positioning, and detection, reducing manual intervention, improving detection efficiency, and solving the problems of complex operation and safety hazards.

[0022] 4. By setting up auxiliary support components and using the mobile vehicle, it can better fit the inner wall of the pipe and reduce vibration and jamming. Attached Figure Description

[0023] Figure 1 A schematic diagram of the overall structure of a pipeline flaw detection and positioning device provided in this application;

[0024] Figure 2 A schematic diagram of the internal structure of a pipeline flaw detection and positioning device provided in this application;

[0025] Figure 3 for Figure 1 A bottom view;

[0026] Figure 4 This is a schematic diagram illustrating the principle of this application.

[0027] The meanings of the symbols in the attached icons are as follows:

[0028] 1. Mobile vehicle body; 2. Flaw detection equipment; 3. Support plate; 4. Reversing device; 5. Camera; 6. Auxiliary support components; 7. Angle sensor; 8. Processor; 9. Battery assembly.

[0029] 11. Base frame; 12. Casters; 13. Drive motor;

[0030] 101. Positioning holes; 102. Anti-slip texture;

[0031] 41. Positioning seat; 42. Movable seat; 43. Motor 1; 44. Drive frame; 45. Motor 2; 46. Turntable;

[0032] 61. Support; 62. Wheel groove; 63. Universal caster; 64. Limiting component;

[0033] 641. Upper slider; 642. Lower slider; 643. Rotating rod;

[0034] 91. Battery holder; 92. Power supply battery; 93. Communication connector; 94. Charging port.

[0035] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0037] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0039] Example 1

[0040] like Figures 1-3 As shown, the present invention proposes a pipeline flaw detection and positioning device, comprising a mobile vehicle body 1 and a flaw detection device 2 located at the front end of the mobile vehicle body 1 in the direction of travel. The flaw detection device 2 adopts an ultrasonic small-diameter pipe flaw detection probe, which is suitable for the detection of small-diameter pipes. The mobile vehicle body 1 consists of a base frame 11 and moving wheels 12 located at both ends of the base frame 11. A drive motor 13 is provided on the base frame 11, and the output shaft of the drive motor 13 is connected to the central shaft of the moving wheels 12. A support plate 3 is provided on the base frame 11.

[0041] refer to Figure 1 and Figure 2As shown, the support plate 3 is equipped with a reversing device 4 for adjusting the flaw detection angle of the flaw detection device 2. The reversing device 4 enables horizontal rotation and vertical pitch angle adjustment, facilitating free adjustment of the flaw detection angle. The reversing device 4 includes a mounting frame located at the tail end of the support plate 3. The mounting frame has a positioning seat 41, and a hinged movable seat 42 is located at the positioning seat 41. The movable seat 42 performs vertical pitch movement about this location. A drive frame 44 is connected to the other side of the movable seat 42. A rotating turntable 46 is located at the bottom of the drive frame 44. The flaw detection device 2 is connected to one side of the turntable 46, and rotates horizontally under the drive of the turntable 46.

[0042] The flaw detection device 2 is equipped with a camera 5 above it for real-time monitoring of the condition of the pipe's inner wall. A motor 43 is located on one side of the support plate 3. The output shaft of the motor 43 is connected to the hinge between the movable seat 42 and the positioning seat 41, driving the movable seat 42 to pitch. A second motor 45 is installed inside the drive frame 44. The output shaft of the second motor 45 is connected to the center of the turntable 46, driving the turntable 46 to rotate.

[0043] like Figure 2 As shown, the drive frame 44 is a frame that runs vertically through the body. The center is used to fix the motor 45. Fixing slots are opened on the front and rear sides of the drive frame 44. The fixing slot on the front side is used to fix the camera 5, and the fixing slot on the rear side is used to fix the movable seat 42, so as to achieve the effect of installation and fixation.

[0044] refer to Figure 2 and Figure 4 As shown, an angle sensor 7 and a processor 8 are also connected to one side of the drive frame 44. The angle sensor 7 is set parallel to the flaw detection device 2. The angle sensor 7 is used to monitor the pitch angle of the flaw detection device 2 in real time. The processor 8 adjusts the operating status, on / off status, and forward / reverse status of motor 1 43 and motor 2 45.

[0045] When using this structure, motor 43 drives the pitch angle adjustment of the movable base 42, which in turn drives the adjustment of the angle of the drive frame 44 connected to the movable base 42 and the flaw detection device 2. An angle sensor 7 is added and set to be parallel to the flaw detection device 2. The angle sensor 7 is used to monitor the pitch angle of the flaw detection device 2 in real time. The camera 5 can be used to help determine the position and angle of the flaw detection. Motor 45 drives the rotation of the turntable 46, which in turn drives the horizontal rotation of the flaw detection device 2. At this time, the horizontal position of the camera 5 does not change. The processor 8 adjusts the operating status of motor 43 and motor 45 to achieve the effect of precise positioning.

[0046] Example 2

[0047] To increase the stability of movement, refer to Figure 2 As shown, an auxiliary support assembly 6 is also provided on the base frame 11. Positioning holes 101 are provided on the front and rear sides of the base frame 11. The auxiliary support assembly 6 includes a support 61 that passes through the positioning holes 101. A wheel groove 62 is provided at the bottom of the support 61. A universal roller 63 is provided in the wheel groove 62. The universal rollers 63 on the front and rear sides and the moving wheels 12 on the left and right sides are arranged in a cross shape about the center of the base frame 11, which can better fit the irregular surface of the inner wall of the pipe, such as bumps, welds, etc., and reduce the vibration and jamming of the vehicle body.

[0048] The support 61 has an I-shaped limiting member 64 at its top. The limiting member 64 is composed of an upper slider 641 and a lower slider 642 that are parallel to each other and are respectively located on the upper and lower sides of the positioning hole 101. A rotating rod 643 is provided between the upper slider 641 and the lower slider 642. The diameter and height of the rotating rod 643 are smaller than the inner diameter and height of the positioning hole 101.

[0049] During movement, the auxiliary support component 6, in conjunction with the use of the moving vehicle 1, can better fit the inner wall of the pipe, reducing vibration and jamming.

[0050] In addition, the outer side of the moving wheel 12 is provided with anti-slip texture 102 to reduce slippage during vehicle movement and improve the equipment's ability to pass through wet or uneven pipes.

[0051] As a further example:

[0052] The base frame 11 is provided with a battery assembly 9, which includes a battery holder 91 fixed on the base frame 11 and a power supply battery 92 installed on the battery holder 91. A communication connector 93 and a charging port 94 are also provided on one side of the base frame 11 for communication and power supply.

[0053] In practical use, users send commands through an external terminal, and the processor 8 automatically completes the tasks of movement, positioning, and detection, reducing manual intervention, improving detection efficiency, and solving the problems of complex operation and safety hazards.

[0054] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A pipeline defect detection positioning device, comprising a mobile vehicle body (1) and a defect detection device (2) located at the front end of the mobile vehicle body (1) in the direction of travel, wherein the mobile vehicle body (1) is composed of a chassis (11) and mobile wheels (12) located at both sides of the chassis (11), characterized in that: The bottom frame (11) is provided with a support plate (3), and the support plate (3) is provided with a reversing device (4) for driving the flaw detection equipment (2) to adjust the flaw detection angle. The reversing device (4) comprises a mounting frame arranged at the tail end of the support plate (3), and the mounting frame is provided with a positioning seat (41), and a hinged movable seat (42) is arranged at the positioning seat (41), the movable seat (42) performs vertical pitching motion at the position, and a driving frame (44) is connected to the other side of the movable seat (42), the bottom of the driving frame (44) is provided with a rotating turntable (46), and the flaw detection equipment (2) is connected to one side end of the turntable (46), and the flaw detection equipment (2) performs horizontal rotation motion under the driving of the turntable (46).

2. A pipeline inspection positioning device according to claim 1, wherein: One side of the support plate (3) is provided with a motor one (43), and the output shaft of the motor one (43) is connected to the hinge between the movable seat (42) and the positioning seat (41), so as to drive the movable seat (42) to perform pitching motion; a motor two (45) is arranged in the driving frame (44), and the output shaft of the motor two (45) is connected to the center of the turntable (46), so as to drive the turntable (46) to perform rotation motion.

3. A pipeline inspection positioning device according to claim 2, wherein: One side of the driving frame (44) is also provided with a connected angle sensor (7) and a processor (8), the angle sensor (7) is arranged parallel to the flaw detection equipment (2), and is used for monitoring the pitching angle of the flaw detection equipment (2) in real time, and the running state of the motor one (43) and the motor two (45) is adjusted through the processor (8).

4. The apparatus of claim 1 or 3, wherein: A camera (5) is further arranged above the flaw detection equipment (2).

5. The apparatus of claim 1 wherein: The bottom frame (11) is also provided with an auxiliary support assembly (6), and positioning holes (101) are formed in the front and rear sides of the bottom frame (11), the auxiliary support assembly (6) comprises a support (61) penetrating through the positioning holes (101), a wheel groove (62) is formed in the bottom of the support (61), universal rollers (63) are arranged in the wheel groove (62), and the universal rollers (63) on the front and rear sides and the moving wheels (12) on the left and right sides are distributed in a cross shape about the center of the bottom frame (11).

6. A pipeline inspection positioning device according to claim 5, wherein: A limit piece (64) in the shape of an I-beam is arranged on the top of the support (61), the limit piece (64) is composed of upper and lower parallel upper and lower sliding blocks (641) and (642), and the two are arranged on the upper and lower sides of the positioning hole (101) respectively, a rotating rod (643) is arranged between the upper and lower sliding blocks (641) and (642), and the diameter and height of the rotating rod (643) are smaller than the inner diameter and height of the positioning hole (101).

7. The apparatus of claim 1 wherein: A driving motor (13) is arranged on the bottom frame (11), and the output shaft of the driving motor (13) is connected with the central shaft of the moving wheel (12).

8. The apparatus of claim 1 wherein: A battery assembly (9) is arranged on the bottom frame (11), the battery assembly (9) comprises a battery seat (91) fixedly arranged on the bottom frame (11) and a power supply battery (92) mounted on the battery seat (91), and a communication connector (93) and a charging port (94) are further arranged on one side of the bottom frame (11) for communication and power supply.

9. The apparatus of claim 1 wherein: The outer side of the mobile wheel (12) is provided with anti-skid lines (102); the flaw detection equipment (2) adopts an ultrasonic small-diameter tube flaw detection probe.

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