阅读说明：本技术 管道变形位置的确定装置及方法 (Device and method for determining deformation position of pipeline ) 是由 富宽 李睿 赵晓明 贾光明 郑健峰 沙胜义 殴新伟 于智博 刘建平 于 2019-03-09 设计创作，主要内容包括：本申请公开了一种管道变形位置的确定装置及方法,涉及管道检测领域。该装置可以包括：管道内检测器(10)与探测器(20)。该探测器(20)可以包括滚动轮(202)、测量轮(203)以及磁传感器(204),该滚动轮(202)与该测量轮(203)固定连接,该磁传感器(204)可以检测与测量轮(203)之间的磁感应强度。管道内检测器(10)可以根据该磁传感器(204)检测到的磁感应强度的变化次数以及该滚动轮(202)的直径确定管道变形处的位置。采用本申请提供的装置,仅需运行一次该装置即可确定管道变形位置,因此本申请提供的管道变形位置的确定装置在确定管道变形位置时效率较高、成本较低且检测精度较高。(The application discloses a device and a method for determining a deformation position of a pipeline, and relates to the field of pipeline detection. The apparatus may include: an in-pipe detector (10) and a probe (20). The detector (20) may comprise a rolling wheel (202), a measuring wheel (203), and a magnetic sensor (204), the rolling wheel (202) being fixedly connected to the measuring wheel (203), the magnetic sensor (204) being capable of detecting magnetic induction with the measuring wheel (203). The in-pipe detector (10) can determine the position of the pipe deformation according to the change times of the magnetic induction intensity detected by the magnetic sensor (204) and the diameter of the rolling wheel (202). Adopt the device that this application provided, only need to operate the device once and can confirm pipeline deformation position, consequently the pipeline deformation position's that this application provided confirming device efficiency is higher, the cost is lower and detection accuracy is higher when confirming pipeline deformation position.)

1. An apparatus for determining a location of a pipe deformation, the apparatus comprising: an in-pipe detector (10) and a probe (20); the detector (20) comprises: the device comprises a supporting frame (201), a rolling wheel (202), a measuring wheel (203) and a magnetic sensor (204), wherein the outer diameter of the rolling wheel (202) is larger than that of the measuring wheel (203);

the measuring wheel (203) is a gear, each tooth of the measuring wheel (203) is made of a magnetic material, and each tooth groove is filled with a non-magnetic material;

the rolling wheel (202) and the measuring wheel (203) are sleeved on a wheel shaft (205) and are rotatably connected with the wheel shaft (205), and the rolling wheel (202) is fixedly connected with the measuring wheel (203);

the wheel shaft (205) is fixedly connected with one end of the support frame (201), and the other end of the support frame (201) is connected with the in-pipeline detector (10);

the magnetic sensor (204) is arranged on the supporting frame (201), the distance between the end face of one end of the magnetic sensor (204) and the wheel face of the measuring wheel (203) is smaller than a distance threshold value, the orthographic projection of the measuring wheel (203) in the plane of the end face at least partially overlaps with the end face, and the magnetic sensor (204) is used for detecting the magnetic induction intensity between the measuring wheel (203) and the measuring wheel;

the pipeline internal detector is characterized in that a communication connection is established between the magnetic sensor (204) and the pipeline internal detector (10), the magnetic sensor (204) is further used for sending the detected magnetic induction intensity to the pipeline internal detector (10), and the pipeline internal detector (10) is used for determining the position of a pipeline deformation position according to the change times of the magnetic induction intensity.

2. The device according to claim 1, wherein the support frame (201) comprises: two oppositely arranged supporting arms (2011) and a supporting plate (2012), wherein the extending direction of each supporting arm (2011) is vertical to the wheel shaft (205);

one end of one support arm (2011) is fixedly connected with one end of the wheel shaft (205), one end of the other support arm (2011) is fixedly connected with the other end of the wheel shaft (205), and the other end of each support arm (2011) is connected with the in-pipeline detector (10);

one end of the supporting plate (2012) is connected with one of the supporting arms (2011), the other end of the supporting plate is connected with the other supporting arm (2011), and the magnetic sensor (204) is arranged on the supporting plate (2012).

3. The device of claim 2, wherein the support frame (201) further comprises: a support base (2013);

the supporting seat (2013) is fixedly connected with the in-pipeline detector (10), the other end of each supporting arm (2011) is rotatably connected with the supporting seat (2013) through a rotating shaft (207), and the rotating shaft (207) is parallel to the wheel shaft (205).

4. The device according to claim 3, characterized in that said support (2013) is further provided with two fixing holes (20131), said device further comprising: two elastic assemblies (208) in one-to-one correspondence with the two support arms (2011), each elastic assembly (208) comprising: a spring base (2081), a pull rod (2082) and a spring (2083);

one end of the pull rod (2082) passes through one fixing hole (20131) to be connected with the other end of the corresponding supporting arm (2011), and the other end of the pull rod (2082) is fixedly connected with the spring base (2081);

the spring (2083) is sleeved on the pull rod (2082).

5. The device according to claim 4, wherein one end of the spring (2083) is disposed in the fixing hole (20131) through which the pull rod (2082) passes, and the other end of the spring (2083) is fixedly connected with the spring base (2081).

6. The device according to claim 4, characterized in that each support arm (2011) comprises: the supporting arm comprises a supporting arm main body (20111) and a bent part (20112) connected with the supporting arm main body (20111), wherein the bent part (20112) is positioned on one side of the supporting arm main body (20111) close to the elastic component (208);

a first through hole is formed in the support arm main body (20111), and the rotating shaft (207) penetrates through the first through hole to be connected with the support seat (2013);

be provided with the second through-hole on pull rod (2082), the device still includes: the connecting rod (209) penetrates through the second through hole and is connected with the bent part (20112).

7. The device according to any one of claims 4 to 6, characterized in that the end of each fixing hole (20131) close to the spring seat (2081) has a larger inner diameter than the end remote from the spring seat (2081);

one end of the spring (2083) is fixedly arranged at one end of the fixing hole (20131) close to the spring base (2081).

8. The device according to any of claims 2 to 6, characterized in that said support plate (2012) comprises: a plurality of sub-support plates (20121) spaced between the two support arms (2011);

one end of each sub-supporting plate (20121) is connected with one supporting arm (2011), and the other end of each sub-supporting plate is connected with the other supporting arm (2011);

the magnetic sensor (204) is disposed on one of the sub-support plates (20121) that is close to the measuring wheel (203) among the plurality of sub-support plates (20121).

9. The apparatus of any of claims 1 to 6, further comprising: a dust scraper (210);

the dust scraping plate (210) is connected with the supporting frame (201), the distance between the end face of the dust scraping plate (210) and the wheel face of the measuring wheel (203) is smaller than a distance threshold value, and the end face is parallel to the wheel shaft (205).

10. The apparatus of claim 9, further comprising: a dust scraper press plate (211);

the dust scraping plate pressing plate (211) is connected with the supporting frame (201) and used for supporting the dust scraping plate (210);

the plate surface of the dust scraping plate pressing plate (211) is parallel to the plate surface of the dust scraping plate (210), and the orthographic projection of the dust scraping plate pressing plate (211) in the plane where the plate surface of the dust scraping plate (210) is located is at least partially overlapped with the plate surface of the dust scraping plate (210).

11. A method of determining a pipe deformation position, applied to an in-pipe detector in the pipe deformation position determining apparatus according to any one of claims 1 to 10, the pipe deformation position determining apparatus further comprising a rolling wheel, a measuring wheel and a magnetic sensor; the method comprises the following steps:

when the determining device of the pipeline deformation position moves to a pipeline deformation position, determining the number m of changes of the magnetic induction intensity detected by the magnetic sensor after the pipeline starts to move from the starting point of the pipeline;

determining the mileage l between the deformation position and the starting point according to the diameter d of the rolling wheel, the number n of tooth grooves on the measuring wheel and the change times m of the magnetic induction intensity, wherein the mileage l satisfies the following conditions:

12. an in-duct detector, for use in a device for determining the deformed position of a duct according to any one of claims 1 to 10; the in-pipe detector includes: a processor, a memory, and a computer program stored on the memory and executable on the processing component, the processor implementing the method of claim 11 when executing the computer program.