CN210687480U

CN210687480U - Pipeline detector with ground marking system

Info

Publication number: CN210687480U
Application number: CN201921618773.0U
Authority: CN
Inventors: 王富; 张勇; 张健
Original assignee: Sichuan Yutong Pipeline Technology Co ltd
Current assignee: Sichuan Yutong Pipeline Technology Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-05
Anticipated expiration: 2029-09-26

Abstract

The utility model provides a pipeline detector with a ground marking system, which comprises a walking mechanism and a detection component arranged on the walking mechanism, wherein the walking mechanism comprises a square barrel body positioned in the middle, an active walking wheel arranged at the bottom of the barrel body and an elastic lower pinch roller component arranged at the top of the barrel body; the detection component comprises a timer, a singlechip, a sensor and a 2.4G wireless communication module, wherein the timer, the sensor, a timer and the G wireless communication module are all connected with the singlechip, and the timer is a real-time clock chip; the elastic pressing wheel assembly comprises two elastic pressing wheel units which are oppositely arranged along the length direction of the cylinder body, the elastic pressing wheel units are obliquely arranged and comprise support arms, rollers and elastic supporting pieces, the bottom ends of the support arms are hinged to the upper surface of the cylinder body, the rollers are arranged on the top ends of the support arms, the elastic supporting pieces are hinged to the middle portions of the support arms, the rollers are arranged on one side of the end portion close to the cylinder body, and the bottoms of the elastic supporting pieces are hinged to the cylinder body.

Description

Pipeline detector with ground marking system

Technical Field

The utility model relates to a pipeline inspection technical field especially relates to a pipeline detector with ground mark system.

Background

Petroleum and natural gas are energy basic industries, and pipeline transportation is the main transportation mode of the petroleum and natural gas. Because the pipeline is buried underground, the pipeline is easy to fail due to factors such as pipes, construction quality and the like in the initial operation stage; after the pipeline is in service for a long time, the pipeline fails due to the defects of corrosion caused by external interference, soil and other surrounding environments, cracks caused by pipe fatigue and the like.

Once a failure accident occurs to a pipeline, huge losses are caused to economy, environment and safety, measures are taken to enable the pipeline to be in a controlled state, the failure accident is prevented, and a nondestructive testing technology is developed. The pipeline detection equipment based on technical principles such as magnetic leakage, ultrasound, eddy current and the like can carry out online detection on the pipeline under the condition of not influencing the daily safety production of the pipeline, accurately detect relevant information of defects such as corrosion, cracks and the like on the pipeline, and an owner can take corresponding measures according to the detection result to maintain dangerous defect points in advance. When the defect point is maintained, the defect point needs to be accurately positioned, a ground marking system is needed to provide a reference point besides the distance measurement by the mileage wheel of the detection equipment, and the positioning precision of the defect point is improved.

The ground mark system (marker) of the pipeline detector is one of the corollary equipment of the pipeline detector, and is also an important auxiliary equipment for improving the positioning accuracy of the detector, and can detect and record the time when the detector passes through a set reference point. Before detection, the reference clock equipment carries out time synchronization on a detector electronic system and a ground marker, when the detector runs in a pipeline, the electronic system records all pipeline characteristic information (valves, tee joints, elbows, defects and the like) and mileage positions of the pipeline, and the relative distance from the defect to the nearest reference point can be obtained according to a detection result by combining time data recorded by the ground marker placed at the reference point, so that the defect is accurately positioned.

The traditional positioning and marking system adopts a GPS module to record effective information such as time, longitude and latitude and the like, and is easily influenced by adverse conditions such as a buried place, weather, environmental shielding and the like, so that data delay, errors or data cannot be provided. The real-time clock can effectively make up for the defects, and the problem of time precision can be effectively solved through the external time service device with precise time adjustment and the clock chip with extremely high precision.

Disclosure of Invention

In view of this, the present invention provides a pipeline detector with a ground marking system to solve the above technical problems.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

a pipeline detector with a ground marking system comprises a travelling mechanism and a detection component arranged on the travelling mechanism, wherein the travelling mechanism comprises a square barrel positioned in the middle, a driving travelling wheel arranged at the bottom of the barrel and an elastic lower pressing wheel component arranged at the top of the barrel; the detection component comprises a timer, a single chip microcomputer, a sensor and a 2.4G wireless communication module, wherein the timer, the sensor, a timer and the G wireless communication module are all connected with the single chip microcomputer, and the timer is a real-time clock chip;

the elastic lower pressing wheel component comprises two elastic lower pressing wheel units which are oppositely arranged along the length direction of the cylinder body, the elastic lower pressing wheel units are obliquely arranged and comprise support arms, idler wheels and elastic supporting pieces, the bottom ends of the support arms are hinged to the upper surface of the cylinder body, the idler wheels are arranged on the top ends of the support arms, the elastic supporting pieces are hinged to the middle portions of the support arms, the idler wheels are arranged on one side of the end portions, close to the cylinder body, of the idler wheels, and the bottoms of the elastic.

Further, the elastic lower pressing wheel assembly further comprises a base plate, the elastic lower pressing wheel units are arranged on the base plate, and the base plate is detachably mounted on the barrel through screws.

Furthermore, the middle part of the base plate is provided with a first U-shaped seat, a second U-shaped seat is arranged at a position close to the end part of the base plate, the bottom of the supporting arm is rotatably installed in the first U-shaped seat through a pin shaft, and the bottom of the elastic supporting piece is rotatably installed in the first U-shaped seat through a pin shaft.

Furthermore, the elastic supporting piece comprises a sleeve, a connecting rod movably inserted in the sleeve and a spring arranged in the sleeve, the top end of the sleeve is hermetically arranged and hinged on the supporting arm, and the bottom end of the connecting rod is hinged in the second U-shaped seat.

Furthermore, one end of the connecting rod, which is positioned in the sleeve, is provided with a first limiting ring, the inner wall of the opening end of the sleeve is provided with a second limiting ring matched with the first limiting ring, and the connecting rod is movably arranged in the second limiting ring in a penetrating way.

Further, a battery is arranged in the barrel, the driving travelling wheel is connected with a stepping motor arranged in the barrel, and the stepping motor is connected with the single chip microcomputer.

Further, still be connected with OLED screen and keyboard on the singlechip, OLED screen and keyboard all fixed mounting are on the barrel.

The utility model has the advantages that:

the utility model discloses a real-time clock is controller through accurate reference time, effectively compensates the defect that data delay, mistake or unable data that present detector appears when overhauing the pipeline, through the time service ware of outside accurate timing and the high clock chip of precision, can effectively solve the problem of time precision.

Simultaneously, the elasticity is pushed down the pinch roller subassembly and is made initiative walking wheel tightly laminate pipeline inner wall, and the frictional force of increase initiative walking wheel and pipeline inner wall avoids initiative walking wheel to skid with the pipeline inner wall after the contact dirt, makes this device walk to remove in the pipeline better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of the elastic supporting member of the present invention;

fig. 4 is a schematic diagram of the system connection of the detecting member according to the present invention.

Reference numerals: the device comprises a barrel 1, a driving travelling wheel 2, a supporting arm 3, a roller 4, an elastic supporting piece 5, a substrate 6, a first U-shaped seat 7, a second U-shaped seat 8, a sleeve 9, a connecting rod 10, a first limiting ring 11, a second limiting ring 12, an OLED screen 13, a keyboard 14 and a spring 15.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention/utility model will be described in detail below with reference to the drawings.

As shown in fig. 1-4, an embodiment of the present invention provides a pipeline detector with a ground marking system, which includes a traveling mechanism and a detecting component disposed on the traveling mechanism, wherein the traveling mechanism includes a square barrel 1 located in the middle, a driving traveling wheel 2 disposed at the bottom of the barrel 1, and an elastic pressing wheel assembly disposed at the top of the barrel 1; the detection component comprises a timer, a singlechip, a sensor and a 2.4G wireless communication module, wherein the timer, the sensor, the timer and the 2.4G wireless communication module are all connected with the singlechip, the timer is a real-time clock chip, and the sensor can be a detection chip such as a Hall sensor; the single chip microcomputer is also connected with an OLED screen 13 and a keyboard 14, and the OLED screen 13 and the keyboard 14 are fixedly arranged on the barrel body 1. The functions of the elements are as follows: a. the keyboard is mainly used for completing the functions of time modification, confirmation, transmission and the like; b.

the real-time clock chip has a core function, and the real-time clock chip records real-time when the single chip microcomputer detects a preset value of the Hall sensor by utilizing the 2.4G wireless communication module to synchronize time with the outside within a period of power-on. The 2.4G wireless communication module is mainly used for synchronizing time with the outside to ensure accurate positioning time; d. the model of the single chip microcomputer is STM32, and the single chip microcomputer is mainly used for receiving keyboard information and reading real-time clock chip time; the oled screen is used to display time information and whether the synchronization time is successful.

The single chip microcomputer module is a core processing unit, can read and modify time information through an IO port state and a chip interface of an external keyboard, and finishes transmitting the time information to an external circuit, and design indexes are as follows:

parameter(s)	Design index
		IIC interface rate	1KHz
Power consumption	30～40mA

The 2.4G wireless communication module is not required to be connected in a wired mode, and only communicates with other wireless devices through the SPI serial port. In the actual use process, an external standard clock source is referred to, the real-time clock is calibrated through hardware SPI wireless transmission, and the 2.4G wireless communication module has the following design indexes:

the real-time clock provides information of second, minute, hour, day, month and year by using a clock source from a TCXO (temperature compensated Crystal Oscillator) in the single chip microcomputer module. The date at the end of the month will automatically adjust to months of less than 31 days, including corrections for leap years. The clock operates in 24-hour or 12-hour format with AM/PM (AM/PM) indicator lights. The system is communicated with an external time source through a 2.4G wireless communication module and is synchronized in the same time coordinate system. When the single chip microcomputer module judges that the inner detection machine passes through the right lower part through the Hall sensor, the single chip microcomputer sends a command to the real-time clock chip, and the current time is recorded through the SPI communication protocol for later data analysis. The design indexes are as follows:

parameter(s)	Design index
		Precision of 0-40 DEG C	±2ppm
Accuracy of-40 to 85 DEG C	±3.5ppm
		Temperature of the environment of use	-40 to 85 ℃ (Industrial)
Accuracy of temperature	±3℃

As shown in fig. 4, the functions of the parts of the detection component are as follows:

a. the keyboard is mainly used for completing the functions of time modification, confirmation, transmission and the like;

b. the real-time clock chip has a core function, and the real-time is recorded when the singlechip module detects a preset value of the Hall sensor by utilizing the 2.4G wireless communication module to synchronize time with the outside within a period of power-on.

The c.2.4G wireless communication module is mainly used for synchronizing the time service function in the early stage and ensuring that each detection component is positioned in the same time coordinate.

d. The singlechip is mainly used for receiving keyboard information and reading the time of the real-time clock chip.

The oled screen is used to display time information and whether the synchronization time is successful.

Further, the elastic lower pinch roller assembly comprises two elastic lower pinch roller units which are oppositely arranged along the length direction of the barrel body 1, the elastic lower pinch roller units are obliquely arranged and comprise support arms 3 with the bottom ends hinged on the upper surface of the barrel body 1, rollers 4 arranged on the tops of the support arms 3 and contacted with the top of the inner wall of the pipeline and elastic support members 5 arranged in the middle of the support arms 3 in a hinged mode, the rollers 4 are arranged on one side of the end portion close to the barrel body 1, and the bottoms of the elastic support members 5 are hinged on the barrel body 1.

Specifically, the elastic lower pressing wheel assembly further comprises a base plate 6, the elastic lower pressing wheel units are arranged on the base plate 6, and the base plate 6 is detachably mounted on the barrel body 1 through screws. The middle of the base plate 6 is provided with a first U-shaped seat 7, a second U-shaped seat 8 is arranged at a position close to the end part of the base plate 6, the bottom of the supporting arm 3 is rotatably arranged in the first U-shaped seat 7 through a pin shaft, and the bottom of the elastic supporting piece 5 is rotatably arranged in the first U-shaped seat 7 through a pin shaft. The base plate 6 and the cylinder body 1 are detachably connected, and the elastic pressing wheel component is convenient to detach and replace.

The elastic supporting piece 5 comprises a sleeve 9, a connecting rod 10 movably inserted in the sleeve 9 and a spring 15 arranged in the sleeve 9, the top end of the sleeve 9 is hermetically arranged and hinged on the supporting arm 3, and the bottom end of the connecting rod 10 is hinged in the second U-shaped seat 8. One end of the connecting rod 10, which is positioned in the sleeve 9, is provided with a first limiting ring 11, the inner wall of the opening end of the sleeve 9 is provided with a second limiting ring 12 matched with the first limiting ring 11, and the connecting rod 10 is movably arranged in the second limiting ring 12 in a penetrating way. Elastic support element 5 provides elasticity through spring 15, makes initiative walking wheel 2 tightly laminate the pipeline inner wall, and the frictional force of increase initiative walking wheel 2 and pipeline inner wall avoids initiative walking wheel to skid with the pipeline inner wall after the contact dirt, makes this device walk and removes in the pipeline better.

A battery is arranged in the barrel 1, the driving travelling wheel 2 is connected with a stepping motor arranged in the barrel 1 through a rotating shaft, the stepping motor is connected with a single chip microcomputer, and the single chip microcomputer controls the working state of the stepping motor, so that the movement of the pipeline detector is controlled.

Claims

1. A pipe probe having a surface marking system, comprising: the device comprises a travelling mechanism and a detection component arranged on the travelling mechanism, wherein the travelling mechanism comprises a square barrel body (1) positioned in the middle, a driving travelling wheel (2) arranged at the bottom of the barrel body (1) and an elastic pressing wheel component arranged at the top of the barrel body (1); the detection component comprises a timer, a single chip microcomputer, a sensor and a 2.4G wireless communication module, wherein the timer, the sensor, a timer and the 2.4G wireless communication module are all connected with the single chip microcomputer, and the timer is a real-time clock chip;

the elasticity is pushed down the pinch roller subassembly and is included two elasticity push down the pinch roller unit that sets up relatively along barrel (1) length direction, elasticity push down the setting of pinch roller unit slope, including support arm (3) that the bottom articulates on the upper surface of barrel (1), set up gyro wheel (4) on support arm (3) top and articulated elastic support spare (5) that set up at support arm (3) middle part, tip one side that gyro wheel (4) are close to barrel (1) sets up, the bottom of elastic support spare (5) articulates on barrel (1).

2. The pipe probe having a surface marking system of claim 1, wherein: the elastic lower pressing wheel assembly further comprises a base plate (6), the elastic lower pressing wheel units are arranged on the base plate (6), and the base plate (6) is detachably mounted on the barrel body (1) through screws.

3. The pipe probe having a surface marking system of claim 2, wherein: the base plate (6) middle part is provided with first U-shaped seat (7), and the position that is close to base plate (6) tip has second U-shaped seat (8), the bottom of support arm (3) is through round pin axle rotation installation in first U-shaped seat (7), the bottom of elastic support piece (5) is through round pin axle rotation installation in first U-shaped seat (7).

4. The pipe probe having a surface marking system of claim 3, wherein: the elastic supporting piece (5) comprises a sleeve (9), a connecting rod (10) movably inserted in the sleeve (9) and a spring (15) arranged in the sleeve (9), the top end of the sleeve (9) is hermetically arranged and hinged on the supporting arm (3), and the bottom end of the connecting rod (10) is hinged in the second U-shaped seat (8).

5. The pipe probe having a surface marking system of claim 4, wherein: one end of the connecting rod (10) located in the sleeve (9) is provided with a first limiting ring (11), the inner wall of the opening end of the sleeve (9) is provided with a second limiting ring (12) matched with the first limiting ring (11), and the connecting rod (10) is movably arranged in the second limiting ring (12) in a penetrating mode.

6. The pipe probe having a surface marking system of claim 5, wherein: the novel multifunctional electric water heater is characterized in that a battery is arranged in the barrel body (1), the driving walking wheel (2) is connected with a stepping motor arranged in the barrel body (1), and the stepping motor is connected with the single chip microcomputer.

7. The pipe probe having a surface marking system of claim 1, wherein: the single chip microcomputer is further connected with an OLED screen (13) and a keyboard (14), and the OLED screen (13) and the keyboard (14) are fixedly mounted on the barrel body (1).