Coupling device for pipeline ultrasonic detection

Abstract

The utility model discloses a coupling device for pipeline ultrasonic detection, which comprises a vehicle body and a frame body structure, and a plurality of permanent magnet wheels with high-precision encoders are arranged at the bottom of the vehicle body; the vehicle body is electrically connected with a permanent magnet wheel driving system; the permanent magnet wheel is connected with the permanent magnet wheel driving system through a transmission device; according to the utility model, the coupling agent does not need to be manually smeared for detection, a person does not need to climb to an overhead pipeline for operation, and the operation is convenient and safe.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure pipeline detection field, in particular to a kind of coupling device for pipeline ultrasonic detection. BACKGROUND

[0002] Due to the weld defects caused by pressure pipeline failure, the safety accidents occur frequently, in order to ensure the safety and reliability of pipeline system, the relevant technical specifications are stipulated to detect periodically, find and eliminate the defects hidden danger existing in pipeline.

[0003] At present, for the ultrasonic detection of in-service pressure pipeline weld and base metal, it is necessary for a person to climb to the overhead pipeline to apply coupling agent and then detect, which is time-consuming and laborious and unsafe.

[0004] Therefore, a coupling device for pipeline ultrasonic detection is needed to solve the above problems. UTILITY MODEL CONTENT

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

[0006] A coupling device for pipeline ultrasonic detection, comprising a vehicle body and a frame structure, the vehicle body bottom is provided with a plurality of permanent magnet wheels with high-precision encoders; the vehicle body is provided with a permanent magnet wheel driving system; the permanent magnet wheel is connected with the permanent magnet wheel driving system through a transmission device;

[0007] The frame structure comprises a sliding frame, a first telescopic rod, a first motor, a water tank, a screw rod and a vertical moving frame;

[0008] The sliding frame is slidably connected with the vehicle body, one end of the first telescopic rod is fixedly connected with the vehicle body, and the other end is fixedly connected with the sliding frame; the water tank is fixedly arranged on the vehicle body, and the first motor is fixedly arranged on the sliding frame; the vertical moving frame is arranged below the sliding frame, the screw rod is threadedly connected with the vertical moving frame, and the output end of the first motor is drivingly connected with the screw rod; the first motor is used for driving the vertical moving frame to vertically move relative to the sliding frame; a spray head, an ultrasonic probe and a spray pump are arranged on the vertical moving frame; the spray pump is in communication with the water tank through a pipeline, the spray pump is in communication with the spray head, and the water tank is used for storing coupling medium.

[0009] Preferably, one side of the vehicle body is provided with a sliding groove, one side of the sliding frame is slidably connected with the sliding groove, and the sliding frame is driven to horizontally move relative to the vehicle body through the extension of the first telescopic rod.

[0010] Preferably, the vertical moving frame comprises two sliding rods and a sliding part; a second sliding groove slidably connected with the sliding rod is arranged on the sliding part; the screw rod is threadedly connected with the sliding part. The screw rod is driven to rotate through the rotation of the first motor, and then the sliding part is driven to move up and down relative to the sliding frame along the sliding rod, and the ultrasonic probe and the spray pump are arranged on the sliding part.

[0011] Preferably, the sliding part is provided with a first sliding block, a second screw rod and a second motor;

[0012] The second screw rod is rotatably arranged on the sliding part, the first sliding block is slidably connected with the sliding part, the second motor is fixedly arranged on the sliding part, an output end of the second motor is in transmission connection with the second screw rod, and the ultrasonic probe and the spray pump are arranged on the first sliding block.

[0013] Preferably, the sliding part is provided with a third sliding groove, and the first sliding block is slidably connected with the third sliding groove.

[0014] The second motor is rotated to drive the second screw rod to further drive the first sliding block to move horizontally along the third sliding groove relative to the sliding part.

[0015] Preferably, the moving direction of the first sliding block is perpendicular to the moving direction of the sliding frame.

[0016] Preferably, the permanent magnet wheel driving system comprises a servo motor and a speed reducer connected electrically, and the speed reducer is connected with the transmission device.

[0017] Preferably, the permanent magnet wheel driving system is arranged at the lower part of the vehicle body.

[0018] Preferably, the number of the permanent magnet wheels is four, and the four permanent magnet wheels are arranged in a rectangular distribution at the lower part of the vehicle body.

[0019] Preferably, the coupling device for pipeline ultrasonic detection further comprises a remote controller, the remote controller is connected with the permanent magnet wheel driving system, the first telescopic rod, the first motor, the second motor, the spray pump and the ultrasonic probe through a wireless network, the remote controller is used for controlling the permanent magnet wheel driving system, the first telescopic rod, the first motor, the second motor, the spray pump and the ultrasonic probe, and then controlling the vehicle body to move on the pipeline. Meanwhile, the spray pump can be controlled to spray the coupling medium stored in the water tank on the pipeline.

[0020] Preferably, the first sliding block is further provided with a camera, and the camera is used for observing whether the coupling agent is sprayed on the measured pipeline.

[0021] Preferably, the permanent magnet wheel is a strong magnet wheel with a large suction force of 8000 Gauss, so that the vehicle body can be easily adsorbed on the corresponding pipeline by the permanent magnet wheel.

[0022] Preferably, the first telescopic rod is an electric telescopic rod.

[0023] Preferably, the ultrasonic probe is further connected with a transmission module, and the data detected by the ultrasonic probe can be transmitted to the mobile phone or computer of the detection personnel through the transmission module.

[0024] Preferably, the sliding frame is provided with a position-providing groove for providing a position for a pipeline connected with the water tank and the spray pump.

[0025] Due to the adoption of the above technical scheme, the utility model discloses relative to the prior art, and the technical progress obtained is that the utility model does not need manual smearing coupling agent and then detecting, and does not need a person to climb to the overhead pipeline and operate, so it is convenient and safe to operate.

[0026] Secondly, using water as the coupling medium does not cause pollution. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.

[0028] Fig. 1 It is a cross-section structure schematic view of the coupling device for pipeline ultrasonic detection of the utility model;

[0029] Fig. 2 It is another structure schematic view of the coupling device for pipeline ultrasonic detection of the utility model;Main element symbol explanation

[0030]

[0031]

[0032] The following specific embodiments will further illustrate the utility model in combination with the above drawings SPECIFIC EMBODIMENTS

[0033] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Unless otherwise defined, all technical and scientific terms used in the present document are the same as the meanings understood by the person skilled in the art belonging to the technical field of the utility model. The terms used in the specification of the utility model in the present document are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model. The terms "first", "second" and the like in the specification and claims of the utility model and the above drawings are used to distinguish different objects, and are not used to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to be inclusive. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or optionally also includes other steps or units inherent to the process, method, product or device.

[0034] Reference to“an embodiment” herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase“in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all referring to a common embodiment, or an embodiment that is independent of other embodiments. One of ordinary skill in the art will readily recognize from the disclosure herein the possibility of combining features of different embodiments.

[0035] Referring to Figs. 1-2 The embodiment of the application provides a coupling device for pipeline ultrasonic detection, which comprises a vehicle body 11 and a frame structure, and a plurality of permanent magnet wheels 111 with high-precision encoders are arranged on the bottom of the vehicle body 11; a permanent magnet wheel driving system 5 is electrically connected to the vehicle body 11; the permanent magnet wheel 111 is connected with the permanent magnet wheel driving system 5 through a transmission device;

[0036] The frame structure comprises a sliding frame 21, a first telescopic rod 22, a first motor 23, a water tank 24, a screw rod 25 and a vertical moving frame 26.

[0037] The sliding frame 21 is slidably connected with the vehicle body 11, one end of the first telescopic rod 22 is fixedly connected with the vehicle body 11, and the other end is fixedly connected with the sliding frame 21; the water tank 24 is fixedly arranged on the vehicle body 11, and the first motor 23 is fixedly arranged on the sliding frame 21; the vertical moving frame 26 is slidably arranged below the sliding frame 21, the screw rod 25 is threadedly connected with the vertical moving frame 26, and the output end of the first motor 23 is in transmission connection with the screw rod 25; the first motor 23 is used for driving the vertical moving frame 26 to vertically move relative to the sliding frame 21; a spray head 27, an ultrasonic probe 28 and a spraying pump 29 are arranged on the vertical moving frame 26; the spraying pump 29 is in communication with the water tank 24 through a pipeline, the spraying pump 29 is in communication with the spray head 27, and the water tank 24 is used for storing a coupling medium.

[0038] In an embodiment of the application, the coupling medium is water.

[0039] In an embodiment of the application, one side of the vehicle body 11 is provided with a sliding groove 110, one side of the sliding frame 21 is slidably connected with the sliding groove 110, and the sliding frame 21 is driven to horizontally move relative to the vehicle body 11 through the telescoping of the first telescopic rod 22.

[0040] In an embodiment of the application, the vertical moving frame 26 comprises two sliding rods 261 and a sliding part 262; a second sliding groove 263 slidably connected with the sliding rod 261 is arranged on the sliding part 262; and the screw rod 25 is threadedly connected with the sliding part 262. The screw rod 25 is driven to rotate through the rotation of the first motor 23, and then the sliding part 262 is driven to move up and down relative to the sliding frame 21 along the sliding rod 261, and the ultrasonic probe 28 and the spraying pump 29 are both arranged on the sliding part 262.

[0041] In an embodiment of the utility model, first sliding block 40, second screw rod 41, second motor 42 are established on the sliding part 262,

[0042] Second screw rod 41 is rotationally arranged on the sliding part 262, first sliding block 40 is slidably connected with the sliding part 262, second motor 42 is fixedly arranged on the sliding part 262, the output end of second motor 42 is drivingly connected with second screw rod 41, and ultrasonic probe 28 and spray pump 29 are all arranged on first sliding block 40.

[0043] In an embodiment of the utility model, third sliding groove 43 is arranged on the sliding part 262, and first sliding block 40 is slidably connected with third sliding groove 43.

[0044] Second motor 42 drives second screw rod 41 to further drive first sliding block 40 to move horizontally along third sliding groove 43 relative to the sliding part 262.

[0045] In an embodiment of the utility model, the moving direction of first sliding block 40 is perpendicular to the moving direction of sliding frame 21.

[0046] In an embodiment of the utility model, permanent magnet wheel driving system 5 includes servo motor and speed reducer electrically connected, the speed reducer is connected with the transmission device.

[0047] In an embodiment of the utility model, permanent magnet wheel driving system 5 is arranged at the lower part of vehicle body 1.

[0048] In an embodiment of the utility model, the number of permanent magnet wheels 111 is four, and the four permanent magnet wheels 111 are arranged in a rectangular distribution at the lower part of vehicle body 1.

[0049] In an embodiment of the utility model, the transmission device adopts prior art, and can also refer to the structure of wheel set transmission device disclosed in CN105711602A.

[0050] In an embodiment of the utility model, the coupling device for pipeline ultrasonic detection further includes a remote controller, the remote controller is connected with permanent magnet wheel driving system, first telescopic rod 22, first motor 23, second motor 42, spray pump 29 and ultrasonic probe 28 through wireless network, and the remote controller is used for controlling permanent magnet wheel driving system, first telescopic rod 22, first motor 23, second motor 42, spray pump 29 and ultrasonic probe 28, and then controlling vehicle body 11 to move on the pipeline. Meanwhile, spray pump 29 can be controlled to spray the coupling medium stored in water tank 24 on the pipeline.

[0051] In an embodiment of the utility model, camera 401 is further arranged on first sliding block 40, and camera 401 is used for observing whether coupling agent is sprayed on the measured pipeline.

[0052] In an embodiment of the utility model, permanent magnet wheel 111 is equipped with 8000 Gauss big suction force strong magnet wheel, permanent magnet wheel 111 is convenient for adsorbing car body on corresponding pipeline 50.

[0053] In an embodiment of the utility model, first telescopic link 22 is electric telescopic link.

[0054] In an embodiment of the utility model, ultrasonic probe 28 is still connected with transmission module, and the data detected by ultrasonic probe 28 can be transmitted to the mobile phone end or computer end of detection personnel through transmission module.

[0055] In an embodiment of the utility model, sliding frame 21 is provided with the accommodation groove 211 that is accommodated to the pipe that water tank 24 and spray pump 29 are communicated.

[0056] In an embodiment of the utility model, the pipe that water tank 24 and spray pump 29 are communicated is flexible pipe.

[0057] The utility model uses, through permanent magnet wheel 111 adsorption on pipeline 50, through permanent magnet wheel drive system 5 drive permanent magnet wheel 111 moves on pipeline 50, through spray pump 29 couples medium from the spray head of water tank 24 to the pipeline, then uses ultrasonic probe 28 and detects pipeline.

[0058] Through first telescopic link 22, ultrasonic probe 28 and spray head 27 can be driven to approach or move away from the pipeline in horizontal direction, and through first motor 23, ultrasonic probe 28 and spray head 27 can be driven to approach or move away from the pipeline in vertical direction.

[0059] The foregoing has made detailed description to the utility model generally, but can make some modification or improvement on the basis of the utility model, and this is obvious to the general technical personnel of technical field.Therefore, the modification or improvement without departing from the utility model's thought spirit, all are within the protection scope of the utility model.

Claims

1. A coupling device for ultrasonic testing of a pipe, characterized by: The application relates to a coupling device for pipeline ultrasonic detection, which comprises a vehicle body and a frame structure, a plurality of permanent magnet wheels with high-precision encoders are arranged at the bottom of the vehicle body, a permanent magnet wheel driving system is arranged on the vehicle body, the permanent magnet wheel is connected with the permanent magnet wheel driving system through a transmission device, the frame structure comprises a sliding frame, a first telescopic rod, a first motor, a water tank, a screw rod and a vertical moving frame, the sliding frame is slidably connected with the vehicle body, one end of the first telescopic rod is fixedly connected with the vehicle body, and the other end is fixedly connected with the sliding frame, the water tank is fixedly arranged on the vehicle body, and the first motor is fixedly arranged on the sliding frame, the vertical moving frame is arranged below the sliding frame, the screw rod is threadedly connected with the vertical moving frame, and the output end of the first motor is in transmission connection with the screw rod, the first motor is used for driving the vertical moving frame to vertically move relative to the sliding frame, a spray head, an ultrasonic probe and a spray pump are arranged on the vertical moving frame, the spray pump is in communication with the water tank through a pipeline, the spray pump is in communication with the spray head, and the water tank is used for storing a coupling medium. One side of the vehicle body is provided with a sliding groove, one side of the sliding frame is slidably connected with the sliding groove, and the sliding frame is driven to horizontally move relative to the vehicle body through the extension of the first telescopic rod. The vertical moving frame comprises two sliding rods and a sliding part, the sliding part is provided with a second sliding groove in slidable connection with the sliding rods, and the screw rod is threadedly connected with the sliding part.

2. A coupling device for ultrasonic testing of a pipe according to claim 1, characterized in that: The sliding part is provided with a first sliding block, a second screw rod and a second motor.

3. A coupling device for ultrasonic testing of a pipe according to claim 2, wherein: The second screw rod is rotatably arranged on the sliding part, the first sliding block is slidably connected with the sliding part, the second motor is fixedly arranged on the sliding part, the output end of the second motor is in transmission connection with the second screw rod, and the ultrasonic probe and the spray pump are arranged on the first sliding block.

4. A coupling device for ultrasonic testing of a pipe according to claim 3, characterized in that: The coupling device for pipeline ultrasonic detection further comprises a remote controller, and the remote controller is in wireless network connection with the permanent magnet wheel driving system, the first telescopic rod, the first motor, the second motor, the spray pump and the ultrasonic probe. A camera is further arranged on the first sliding block, and the camera is used for observing whether a coupling agent is sprayed on the measured pipeline.

5. A coupling device for use in the ultrasonic testing of pipes as defined in claim 4, characterized in that: ​ 6. A coupling device for use in the ultrasonic testing of pipes as defined in claim 5, characterized in that: ​

Images