CN213065125U - Speed regulating device of internal detector - Google Patents
Speed regulating device of internal detector Download PDFInfo
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- CN213065125U CN213065125U CN202021780351.6U CN202021780351U CN213065125U CN 213065125 U CN213065125 U CN 213065125U CN 202021780351 U CN202021780351 U CN 202021780351U CN 213065125 U CN213065125 U CN 213065125U
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Abstract
The utility model discloses a speed regulating device of an internal detector, which comprises a cylinder body, a fixed plate fixedly arranged in the cylinder body, a rotating plate which is positioned at one side of the fixed plate and is arranged close to the surface of the fixed plate, at least two mileage wheels arranged on the cylinder body, a sensor arranged on the mileage wheels, an analog quantity acquisition plate respectively connected with the sensor, a motor control plate connected with the analog quantity acquisition plate and used for controlling the rotation of a motor, and a power module used for supplying power; the motor control board calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor to rotate in a non-rotation mode, a forward rotation mode or a reverse rotation mode. The utility model discloses install on the interior equipment of examining of pipeline, solved current detector speed adjusting device and needed artifical manual regulation, judge and adjust inaccurate problem easily in advance.
Description
Technical Field
The utility model relates to a speed adjusting device of internal detector belongs to and examines technical field in the pipeline.
Background
The natural gas petroleum pipeline is used as a main carrier for transporting and storing energy, becomes an indispensable part in the transportation process, and in the use process, the pipeline transportation amount is reduced, natural gas petroleum leaks and other conditions are caused by various reasons, so that the natural gas petroleum pipeline needs to be detected and maintained at intervals, and the intelligent internal detector for detecting in the natural gas petroleum pipeline is produced.
The optimal running speed of the intelligent inner detector of the pipeline is 2-3 m/s, so that various defects of the inner wall and the outer wall of the pipeline can be better detected, but the conveying amount of the detector is limited due to too much deposition of wax, coal ash or corrosion fragments in some pipelines; or the elevation is too high, which can cause the running speed of the intelligent internal detector to be too slow; furthermore, the fall is large, which causes the falling speed of the detector to be too fast, and the detector to be damaged, so that it is necessary to control the speed of the intelligent detector.
The speed adjusting device of the existing inner detector is characterized in that a detection engineer judges in advance according to the pressure value of a pipeline, the speed is preset before the detector is sent, if the speed is predicted to be too high, a leather cup is perforated, the leakage amount is increased, the pressure difference is reduced, and the speed reducing effect is achieved. And vice versa. The operation belongs to blind control, the situation is changed in a detection process, and the prejudgment is inaccurate, so that the movement speed of the detector is too high or too low, and the identification and the positioning of defects are influenced; serious problems can result in jamming or damage to the detector.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a speed adjusting device of internal detector, the speed adjusting device of this internal detector is installed on the interior equipment of examining of pipeline, has solved current detector speed adjusting device and needs artifical manual regulation, the inaccurate problem of prejudgement and regulation easily.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a speed regulating device of an internal detector comprises a cylinder, a fixed plate fixedly arranged in the cylinder, a rotating plate positioned on one side of the fixed plate and arranged close to the surface of the fixed plate, and at least two mileage wheels arranged on the cylinder, wherein the circumferential end surface of the fixed plate is in contact connection with the inner wall of the cylinder, a rotating shaft is arranged in the center of the rotating plate, and one end of the rotating shaft, which is back to the rotating plate, penetrates out of the fixed plate and is connected with an output shaft of a motor;
the fixed plate is provided with at least two first through holes at intervals along the circumferential direction, the rotating plate is provided with at least two second through holes corresponding to the first through holes, when the first through holes and the second through holes are completely overlapped, the area of the drainage channel is the largest, and when the first through holes and the second through holes are not completely overlapped, the area of the drainage channel is zero;
the device also comprises a sensor arranged on the mileage wheel, an analog quantity acquisition board respectively connected with the sensor, a motor control board connected with the analog quantity acquisition board and used for controlling the rotation of the motor, and a power supply module used for supplying power;
the sensor is used for acquiring the rotating angle data of the mileage wheel and transmitting the data to the analog quantity acquisition board;
the analog quantity acquisition board calculates and obtains the mileage of the speed regulating device in the pipeline according to the angle data of the mileage wheel from the sensor;
the motor control board calculates and obtains the travelling speed of the speed regulating device in the pipeline according to the travelling mileage of the speed regulating device from the analog quantity acquisition board in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor to rotate in a non-rotating, forward rotating or reverse rotating mode;
the motor is used for driving the rotating plate to rotate according to instructions from the motor control board so as to change the area of the drainage channel.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the number of the first through holes and the number of the second through holes are 6, and the first through holes and the second through holes are respectively arranged along the circumferential direction of the fixed plate and the rotating plate at equal intervals.
2. In the above scheme, the first through hole and the second through hole are in the shape of a sector with a central angle of 30 °.
3. In the above scheme, the power module includes main power supply, stand-by power supply and monitoring unit, the monitoring unit is used for monitoring the power supply condition of main power supply, when monitoring that main power supply voltage is low or cut off the power supply, switches stand-by power supply and supplies power for the system.
4. In the above scheme, the three sensors are all Hall sensors and are respectively installed on the three mileage wheels.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model discloses the speed adjusting device of internal detector, it is installed on the interior equipment of examining of pipeline, it needs artifical manual regulation to have solved current detector speed adjusting device, judge easily and adjust inaccurate problem in advance, carry out intelligent speed governing through real-time adjustment to the fluidic area of earial drainage in the pipeline, make equipment remain moderate invariable functioning speed throughout in the pipeline, thereby guarantee to obtain the most complete defect, pipeline characteristic information such as welding seam, can also protect internal detector effectively, avoid the internal detector to take place the stagnation or collide.
Drawings
FIG. 1 is a schematic block diagram of an electrical structure of a speed adjusting device of an internal detector according to the present invention;
FIG. 2 is a cross-sectional view of the mechanical structure of the speed adjusting device of the internal detector of the present invention;
FIG. 3 is a schematic view of a partial structure of a speed adjusting device of the internal detector of the present invention;
fig. 4 is a partial structural sectional view of the speed adjusting device of the internal detector of the present invention.
In the above drawings: 1. a barrel; 2. a fixing plate; 3. a rotating plate; 4. a rotating shaft; 5. a motor; 6. a first through hole; 7. a second through hole; 8. a coupling; 9. a leather cup; 16. a mileage wheel; 1a, a sensor; 2a, an analog quantity acquisition board; 4a, a motor control board; 5a and a power supply module.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a speed regulating device of an internal detector comprises a cylinder body 1, a fixed plate 2 fixedly arranged in the cylinder body 1, a rotating plate 3 positioned on one side of the fixed plate 2 and arranged close to the surface of the fixed plate 2, and at least two mileage wheels 16 arranged on the cylinder body 1, wherein the circumferential end surface of the fixed plate 2 is in contact connection with the inner wall of the cylinder body 1, a rotating shaft 4 is arranged in the center of the rotating plate 3, and one end, back to the rotating plate 3, of the rotating shaft 4 penetrates out of the fixed plate 2 and is connected with an output shaft of a motor 5;
at least two first through holes 6 are formed in the fixed plate 2 at intervals along the circumferential direction, at least two second through holes 7 corresponding to the first through holes 6 are formed in the rotating plate 3, when the first through holes 6 and the second through holes 7 are completely overlapped, the area of a drainage channel is the largest, and when the first through holes 6 and the second through holes 7 are not completely overlapped, the area of the drainage channel is zero;
the device also comprises a sensor 1a arranged on the mileage wheel 16, an analog quantity acquisition board 2a respectively connected with the sensor 1a, a motor control board 4a connected with the analog quantity acquisition board 2a and used for controlling the rotation of the motor 5, and a power supply module 5a used for supplying power;
the sensor 1a is used for acquiring angle data of the mileage wheel 16 and transmitting the angle data to the analog quantity acquisition board 2 a;
the analog quantity acquisition board 2a calculates and obtains the mileage of the speed regulating device in the pipeline according to the angle data rotated by the mileage wheel 16 from the sensor 1 a;
the motor control board 4a calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board 2a in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor 5 to rotate in a non-rotating, forward rotating or reverse rotating mode;
the motor 5 is used for driving the rotating plate 3 to rotate according to instructions from the motor control plate 4a so as to change the area of the leakage passage.
The three sensors 1a are all Hall sensors and are respectively arranged on three mileage wheels; the number of the first through holes 6 and the second through holes 7 is 6, and the first through holes and the second through holes are respectively arranged along the circumferential direction of the fixed plate 2 and the rotating plate 3 at equal intervals; the first through hole 6 and the second through hole 7 are fan-shaped with a central angle of 30 degrees;
the analog quantity acquisition board 2a compares, screens and calculates the data from the three sensors 1a to obtain the mileage of the speed regulating device in the pipeline; the output shaft of the motor 5 is connected with the rotating shaft 4 through a coupling 8; the outer surface of the cylinder body 1 is sleeved with a leather cup 9 which is in interference connection with the inner wall of the pipeline.
Example 2: a speed regulating device of an internal detector comprises a cylinder body 1, a fixed plate 2 fixedly arranged in the cylinder body 1, a rotating plate 3 positioned on one side of the fixed plate 2 and arranged close to the surface of the fixed plate 2, and at least two mileage wheels 16 arranged on the cylinder body 1, wherein the circumferential end surface of the fixed plate 2 is in contact connection with the inner wall of the cylinder body 1, a rotating shaft 4 is arranged in the center of the rotating plate 3, and one end, back to the rotating plate 3, of the rotating shaft 4 penetrates out of the fixed plate 2 and is connected with an output shaft of a motor 5;
at least two first through holes 6 are formed in the fixed plate 2 at intervals along the circumferential direction, at least two second through holes 7 corresponding to the first through holes 6 are formed in the rotating plate 3, when the first through holes 6 and the second through holes 7 are completely overlapped, the area of a drainage channel is the largest, and when the first through holes 6 and the second through holes 7 are not completely overlapped, the area of the drainage channel is zero;
the device also comprises a sensor 1a arranged on the mileage wheel 16, an analog quantity acquisition board 2a respectively connected with the sensor 1a, a motor control board 4a connected with the analog quantity acquisition board 2a and used for controlling the rotation of the motor 5, and a power supply module 5a used for supplying power;
the sensor 1a is used for acquiring angle data of the mileage wheel 16 and transmitting the angle data to the analog quantity acquisition board 2 a;
the analog quantity acquisition board 2a calculates and obtains the mileage of the speed regulating device in the pipeline according to the angle data rotated by the mileage wheel 16 from the sensor 1 a;
the motor control board 4a calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board 2a in the pipeline, and then compares the obtained speed information with a set threshold value to control the motor 5 to rotate in a non-rotating, forward rotating or reverse rotating mode;
the motor 5 is used for driving the rotating plate 3 to rotate according to instructions from the motor control plate 4a so as to change the area of the leakage passage.
The power module 5a comprises a main power supply, a standby power supply and a monitoring unit, wherein the monitoring unit is used for monitoring the power supply condition of the main power supply, and switching the standby power supply to supply power to the system when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off;
when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off, the standby power supply is switched to supply power to the system, and meanwhile, the output shaft of the motor 5 is rotated to the initial position through the motor control panel 4a to close the drainage channel;
when the speed of the speed regulating device obtained by the motor control board 4a in the pipeline exceeds a set speed range, the motor control board 4a controls the motor 5 to rotate towards one direction, the area of the drainage channel is increased to reduce the front-back pressure difference of the speed regulating device, so that the thrust force borne by the speed regulating device is reduced, and the speed of the speed regulating device is reduced; the motor 5 rotates in a joggling manner, only by a small angle at a time.
Adopt the speed adjusting device of above-mentioned internal detector, it is installed on the internal inspection equipment of pipeline, solved current detector speed adjusting device and need artifical manual regulation, the problem of judging and adjusting inaccuracy easily in advance, carry out intelligent speed governing through real-time adjustment to the interior fluidic area of pipeline for equipment remains moderate invariable functioning speed throughout in the pipeline, thereby guarantee to obtain the most complete defect, pipeline characteristic information such as welding seam, can also protect internal detector effectively, avoid internal detector to take place the stagnation or collide.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A speed regulation device of an internal detector is characterized in that: the device comprises a cylinder body (1), a fixed plate (2) fixedly arranged in the cylinder body (1), a rotating plate (3) which is positioned on one side of the fixed plate (2) and arranged close to the surface of the fixed plate (2), and at least two mileage wheels (16) arranged on the cylinder body (1), wherein the circumferential end surface of the fixed plate (2) is in contact connection with the inner wall of the cylinder body (1), a rotating shaft (4) is arranged in the center of the rotating plate (3), and one end, back to the rotating plate (3), of the rotating shaft (4) penetrates out of the fixed plate (2) and is connected with an output shaft of a motor (5);
at least two first through holes (6) are formed in the fixed plate (2) at intervals along the circumferential direction, at least two second through holes (7) corresponding to the first through holes (6) are formed in the rotating plate (3), when the first through holes (6) and the second through holes (7) are completely overlapped, the area of the drainage channel is the largest, and when the first through holes (6) and the second through holes (7) are not completely overlapped, the area of the drainage channel is zero;
the device also comprises a sensor (1 a) arranged on the mileage wheel (16), an analog quantity acquisition board (2 a) respectively connected with the sensor (1 a), a motor control board (4 a) connected with the analog quantity acquisition board (2 a) and used for controlling the rotation of the motor (5), and a power module (5 a) used for supplying power;
the sensor (1 a) is used for acquiring angle data rotated by the mileage wheel (16) and transmitting the angle data to the analog quantity acquisition board (2 a);
the analog quantity acquisition board (2 a) calculates and obtains the mileage of the speed regulating device in the pipeline according to the angle data rotated by the mileage wheel (16) from the sensor (1 a);
the motor control board (4 a) calculates and obtains the speed of the speed regulating device in the pipeline according to the mileage of the speed regulating device from the analog quantity acquisition board (2 a) in the pipeline, compares the obtained speed information with a set threshold value, and controls the motor (5) to rotate in a non-rotating, forward rotating or reverse rotating mode;
the motor (5) is used for driving the rotating plate (3) to rotate according to instructions from the motor control plate (4 a) so as to change the area of the drainage channel.
2. The speed control device of the internal detector according to claim 1, characterized in that: the number of the first through holes (6) and the number of the second through holes (7) are 6, and the first through holes and the second through holes are respectively arranged at equal intervals along the circumferential direction of the fixed plate (2) and the rotating plate (3).
3. The speed control device of the internal detector according to claim 1, characterized in that: the first through hole (6) and the second through hole (7) are in fan shapes with central angles of 30 degrees.
4. The speed control device of the internal detector according to claim 1, characterized in that: the power supply module (5 a) comprises a main power supply, a standby power supply and a monitoring unit, wherein the monitoring unit is used for monitoring the power supply condition of the main power supply, and when the monitoring unit monitors that the voltage of the main power supply is too low or the power is cut off, the standby power supply is switched to supply power to the system.
5. The speed control device of the internal detector according to any one of claims 1 to 4, characterized in that: the three sensors (1 a) are all Hall sensors and are respectively arranged on the three mileage wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021780351.6U CN213065125U (en) | 2020-08-24 | 2020-08-24 | Speed regulating device of internal detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021780351.6U CN213065125U (en) | 2020-08-24 | 2020-08-24 | Speed regulating device of internal detector |
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| CN213065125U true CN213065125U (en) | 2021-04-27 |
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| CN202021780351.6U Active CN213065125U (en) | 2020-08-24 | 2020-08-24 | Speed regulating device of internal detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095736A (en) * | 2022-06-21 | 2022-09-23 | 安徽省特种设备检测院 | In-pipeline detection method |
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- 2020-08-24 CN CN202021780351.6U patent/CN213065125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095736A (en) * | 2022-06-21 | 2022-09-23 | 安徽省特种设备检测院 | In-pipeline detection method |
| CN115095736B (en) * | 2022-06-21 | 2023-02-07 | 安徽省特种设备检测院 | In-pipeline detection method |
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