CN210374981U - Angle measuring device, detection probe arm and in-tube detection probe - Google Patents
Angle measuring device, detection probe arm and in-tube detection probe Download PDFInfo
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- CN210374981U CN210374981U CN201921022865.2U CN201921022865U CN210374981U CN 210374981 U CN210374981 U CN 210374981U CN 201921022865 U CN201921022865 U CN 201921022865U CN 210374981 U CN210374981 U CN 210374981U
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Abstract
The utility model discloses an angle measuring device, a detecting probe arm and an in-tube detecting probe, which comprises a shaft body, the body of rod, the perpendicular body of rod of axis sets up, a terminal surface of the body of rod is provided with the recess, the recess makes the body of rod form the first limiting plate that two intervals set up, the bottom of recess is provided with hall sensor, set up the axis body between two first limiting plates, the middle part of connecting two first limiting plates is rotated respectively at the both ends of axis body, the lateral surface cover of axis body has the ring body, the lateral surface of ring body fixed connection axis body, the lateral surface of ring body is provided with first permanent magnet and second permanent magnet, first permanent magnet sets up along the circumference of ring body with the second permanent magnet, form magnetic field between first permanent magnet and the second permanent magnet, hall sensor sets up the top of first permanent magnet and second permanent magnet and. The utility model aims to provide an angle measurement structure that can occupy less space.
Description
Technical Field
The utility model relates to a pipeline inspection field, especially an angle measuring device and pipeline test probe.
Background
Pipeline structures are widely used in various industries. For example, long-distance pipelines are one of the main modes for transporting petroleum, natural gas, finished oil and other media at home and abroad, have large transportation capacity, are not limited by other factors such as climate, ground and the like, and have low cost, safety, high efficiency, energy conservation and environmental protection. But the pipeline is damaged by external force, corroded by medium, washed and the like in the construction period and the operation process after the construction, so that the manufacturing defects, the corrosion defects, the welding seam defects and the like can not be avoided. These defects seriously threaten the safe operation of the pipeline and may even cause the pipeline to fail, thereby causing a safety accident.
At present, in the pipeline warp in the measuring, generally need detect the deformation in the pipeline, the angle deflection that this in-process detected the pipeline is essential process, and when detecting the angle, the probe that adopts generally includes the body of rod of main shaft and hinge connection main shaft side, set up angle sensor between this body of rod and the main shaft, angle sensor installs the tip that the body of rod is close to the main shaft, insert the pipeline through the extending direction to the main shaft toward the pipeline in, then detect the biggest openable angle between the body of rod and the main shaft, thereby the main shaft moves one section distance in the pipeline and obtains the change amount of the biggest openable angle between the body of rod and the main shaft in one section distance. However, when the angle sensor is installed between the rod body and the spindle, the angle sensor has a large volume, and the range of angles that can be detected becomes small.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: to solve at least one of the problems set forth above, an angle measuring structure capable of occupying a small space is provided.
The utility model provides a solution of its technical problem is:
an angle measuring device comprises a shaft body and a rod body, wherein the shaft body is arranged perpendicular to the rod body, one end surface of the rod body is provided with a groove, the groove enables the rod body to form two first limiting plates which are arranged at intervals, the bottom of the groove is provided with a Hall sensor, the shaft body is arranged between the two first limiting plates, two ends of the shaft body are respectively and rotatably connected with the middle parts of the two first limiting plates, a ring body is sleeved on the outer side surface of the shaft body, the ring body is fixedly connected with the outer side surface of the shaft body, the outer side surface of the ring body is provided with a first permanent magnet and a second permanent magnet, the first permanent magnet and the second permanent magnet are arranged along the circumferential direction of the ring body, a magnetic field is formed between the first permanent magnet and the second permanent magnet, the hall sensor is disposed above the first permanent magnet and the second permanent magnet such that the hall sensor is disposed within the magnetic field.
The utility model also provides a detecting probe arm, which comprises the angle measuring device, and also comprises a first fixed support and a second fixed support, wherein the first fixed support is provided with a channel hole along the horizontal direction, the channel hole is connected with a horizontal guide rod in a sliding way, two ends of the horizontal guide rod penetrate out of the channel hole, one end of the horizontal guide rod is provided with a rotating shaft, the outer side surface of the rotating shaft is connected with the horizontal guide rod, the rotating shaft is vertical to the horizontal guide rod, the rotating shaft is arranged between two first limiting plates, the rotating shaft is rotationally connected with the end parts of the two first limiting plates far away from the groove, the second fixed support is provided with two second limiting plates which are parallel to each other at intervals, a containing space is formed between the two second limiting plates, and the two first limiting plates are arranged in the containing space, the first limiting plate is parallel to the second limiting plate, and the shaft body penetrates through the first limiting plate and is rotatably connected with the second limiting plate.
As a further improvement of the technical scheme, one end of the horizontal guide rod, which is far away from the rotating shaft, is sleeved with a limiting sleeve, the outer side surface of the horizontal guide rod is sleeved with a spring, one end of the spring is connected with the limiting sleeve, the other end of the spring is connected with the first fixing seat, and the limiting sleeve is slidably connected with the horizontal guide rod.
As a further improvement of the technical scheme, a thread is arranged on the side face of one end, far away from the rotating shaft, of the horizontal guide rod, a nut is matched with the thread, the nut is arranged on one side, back to the spring, of the limiting sleeve, and the nut abuts against the limiting sleeve.
As a further improvement of the technical scheme, one end of the rod body, which is far away from the shaft body, is hinged with the shell.
As a further improvement of the technical scheme, an ultrasonic probe or a vortex detection component or a magnetic leakage detection component is arranged in the shell.
The utility model also provides an intraductal test probe, including a plurality of a test probe arm, including center pin, ring flange, the ring flange sets up on the center pin, the ring flange is followed the radial extension of center pin, each the second fixing support is fixed to be set up the same terminal surface of ring flange, each first fixing support is fixed to be set up the side of center pin.
As a further improvement of the technical scheme, the two ends of the central shaft are respectively provided with a leather cup, and the outer diameter of each leather cup is larger than that of the central shaft.
As a further improvement of the technical scheme, a recess is formed in the leather cup, and the direction of the recess is arranged along the direction from the rotating shaft to the horizontal guide rod.
As a further improvement of the technical scheme, a plurality of detection probe arms are arranged in a circumferential array by taking the axis of the central shaft as a center.
The utility model has the advantages that: through the arrangement of the groove, the Hall sensor can be installed in the groove, meanwhile, the ring body is arranged on the shaft body, the first permanent magnet and the second permanent magnet are arranged on the ring body to form a magnetic field, so that the space of the groove is effectively utilized, a person can sense the magnetic field between the first permanent magnet and the second permanent magnet by utilizing the Hall sensor, when the Hall sensor is used, when the first limiting plate rotates around the shaft body, the positions of the first permanent magnet and the second permanent magnet relative to the shaft body are not changed, and the relative position of the Hall sensor relative to the shaft body is changed, namely the relative position of the Hall sensor relative to the first permanent magnet and the second permanent magnet is changed, so that the magnetic flux of the Hall sensor is changed on the magnetic field acting on the Hall sensor generated between the first permanent magnet and the second permanent magnet, and then a technician in the field can determine the changed angle by acquiring the voltage value output by the Hall sensor, thereby effectively reducing the space occupation.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a schematic view of a probe arm of the present invention;
FIG. 2 is a first axis view of the probe arm of the present invention;
FIG. 3 is a second axial view of the probe arm of the present invention;
FIG. 4 is a first axial view of the in-tube inspection probe of the present invention;
fig. 5 is a second axial view of the in-tube detection probe of the present invention.
In the drawings: the sensor comprises a shaft body 1, a rod body 2, a Hall sensor 3, a ring body 4, a first permanent magnet 5, a second permanent magnet 6, a first fixed support 7, a second fixed support 8, a horizontal guide rod 9, a rotating shaft 10, a first limiting plate 11, a second limiting plate 12, a limiting sleeve 13, a spring 14, a nut 15, a shell 16, a central shaft 17, a flange plate 18, a leather cup 19 and a recess 20.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1 to 5, an angle measuring device comprises a shaft body 1 and a shaft body 2, wherein the shaft body 1 is perpendicular to the shaft body 2, a groove is formed in one end surface of the shaft body 2, the groove enables the shaft body 2 to form two first limiting plates 11 arranged at intervals, a hall sensor 3 is arranged at the bottom of the groove, the shaft body 1 is arranged between the two first limiting plates 11, two ends of the shaft body 1 are respectively and rotatably connected with the middle parts of the two first limiting plates 11, a ring body 4 is sleeved on the outer side surface of the shaft body 1, the ring body 4 is fixedly connected with the outer side surface of the shaft body 1, a first permanent magnet 5 and a second permanent magnet 6 are arranged on the outer side surface of the ring body 4, the first permanent magnet 5 and the second permanent magnet 6 are arranged along the circumferential direction of the ring body 4, and a magnetic field is formed between the first, the hall sensor 3 is disposed above the first permanent magnet 5 and the second permanent magnet 6 such that the hall sensor 3 is disposed within the magnetic field.
In the embodiment, the hall sensor 3 can be installed in the groove by the arrangement of the groove, meanwhile, the ring body 4 is arranged on the shaft body 1, the first permanent magnet 5 and the second permanent magnet 6 are arranged on the ring body 4 to form a magnetic field, so that the space of the groove is effectively utilized, a person can realize that the hall sensor 3 is used for sensing the magnetic field between the first permanent magnet 5 and the second permanent magnet 6, when the first limit plate 11 rotates around the shaft body 1 during use, the positions of the first permanent magnet 5 and the second permanent magnet 6 relative to the shaft body 1 are not changed, but the relative position of the hall sensor 3 relative to the shaft body 1 is changed, namely the relative positions of the hall sensor 3 relative to the first permanent magnet 5 and the second permanent magnet 6 are changed, so that the magnetic flux acting on the magnetic field of the hall sensor 3 and generated between the first permanent magnet 5 and the second permanent magnet 6 is changed, furthermore, the person skilled in the art can determine the changed angle by obtaining the voltage value output by the hall sensor 3, thereby effectively reducing the occupied space.
When in use, a person skilled in the art can connect the hall sensor 3 to an external circuit, and the hall sensor 3 outputs a voltage signal. As one embodiment, when in use, a person skilled in the art can electrically connect the hall sensor 3, the filter, the signal amplifier, and the analog-to-digital converter in sequence, and the hall sensor 3 is connected in parallel with the voltage stabilizing circuit and the temperature compensating circuit, when in use, the person skilled in the art obtains the voltage output by the hall sensor 3 through the circuit structure, and obtains the change amount of the voltage so as to obtain the angle of the hall sensor 3 relative to the first permanent magnet 5 and the second permanent magnet 6 when the rod body 2 rotates.
Preferably, the effective working surface of the hall sensor 3 is arranged along the radial direction of the shaft body 1.
When the shaft body 1 is used, the included angle between the first permanent magnet 5 and the second permanent magnet 6 is smaller than 180 degrees, and the ends of the magnetic poles of the first permanent magnet 5 and the second permanent magnet 6 are positioned in the same circumferential plane which takes the axis of the shaft body 1 as the center. Preferably, the first permanent magnet 5 and the second permanent magnet 6 have the same magnetic field strength.
The utility model also provides a detecting probe arm, which comprises the angle measuring device, and also comprises a first fixed support 7 and a second fixed support 8, wherein the first fixed support 7 is provided with a passage hole along the horizontal direction, the passage hole is connected with a horizontal guide rod 9 in a sliding way, the two ends of the horizontal guide rod penetrate out of the passage hole, one end of the horizontal guide rod 9 is provided with a rotating shaft 10, the outer side surface of the rotating shaft 10 is connected with the horizontal guide rod 9, the rotating shaft 10 is vertical to the horizontal guide rod 9, the rotating shaft 10 is arranged between the two first limiting plates 11, the rotating shaft 10 rotatably connects the end parts of the two first limiting plates 11 far away from the groove, the second fixed support is provided with two second limiting plates 12 which are parallel to each other at intervals, and a containing space is formed between the two second limiting plates 12, the two first limiting plates 11 are arranged in the accommodating space, the first limiting plates 11 are parallel to the second limiting plate 12, and the shaft body 1 penetrates through the first limiting plates 11 and is rotatably connected with the second limiting plate 12. Through this first fixing support 7, the setting of second fixing support 8, thereby when using, the user can be more convenient to horizontal guide bar 9, the position of pivot 10 is fixed, setting through pivot 10, when using, the body of rod 2 is rotating around the axle body 1 and is driving the direction seesaw of this horizontal guide bar 9 along the passage hole, thereby, the body of rod 2 is when using because there are some unevenness places in the inner wall of treating the pipeline and lead to the body of rod 2 to take place to rotate around the axle body 1, the user can be more convenient exert external force to horizontal guide bar 9 and make the body of rod 2 continue to paste and treat the pipeline inner wall motion of treating. Through the setting of first limiting plate 11, second limiting plate 12, the relative rotation of the realization body of rod 2, horizontal guide bar 9 that can be more convenient, it is convenient to use.
Further as a preferred embodiment, a limiting sleeve 13 is sleeved on one end of the horizontal guide rod 9, which is far away from the rotating shaft 10, a spring 14 is sleeved on the outer side surface of the horizontal guide rod 9, one end of the spring 14 is connected with the limiting sleeve 13, the other end of the spring 14 is connected with the first fixed seat, and the limiting sleeve 13 is connected with the horizontal guide rod 9 in a sliding manner. This simple structure, setting are convenient, through the setting of this structure, when using, the position of regulation stop collar 13 on horizontal guide bar 9 that the user can be more convenient to the realization is to the regulation of the compression degree of spring 14, and then the realization body of rod 2 that can be more convenient is pasting and is waiting to detect the inner wall motion of pipeline.
Further as a preferred embodiment, a thread is arranged on a side surface of one end of the horizontal guide rod 9 away from the rotating shaft 10, the thread is matched with a nut 15, the nut 15 is arranged on a side of the limiting sleeve 13 facing away from the spring 14, and the nut 15 abuts against the limiting sleeve 13. This simple structure, set up conveniently, through the setting of this nut 15, screw thread to when using, the user can be more convenient adjust nut 15, thereby adjust stop collar 13 compression spring 14's degree, and then, on the one hand, the user can be convenient adjust spring 14's telescopic distance according to actual need, on the other hand, the initial produced pretightning force of regulating spring 14 that the user can be convenient.
In a further preferred embodiment, the end of the rod body 2 away from the shaft body 1 is hinged to a housing 16. The structure is simple, the arrangement is convenient, and through the arrangement of the shell 16, when in use, a person skilled in the art can install more kinds of devices for detection in the shell 16, for example, an ultrasonic sensor, a magnetic leakage detector and the like in the shell 16, so as to realize more kinds of detection on the pipeline.
Further in a preferred embodiment, an ultrasonic probe or eddy current probe assembly or leakage magnetic probe assembly is disposed within the housing 16. This simple structure sets up conveniently, through the setting of this structure to carry out more multinomial detection in the geminate transistors that can be more convenient, it is more convenient to use.
The utility model also provides an intraductal test probe, which comprises a plurality of a test probe arm, including center pin 17, ring flange 18 sets up on the center pin 17, ring flange 18 is followed the radial extension of center pin 17, a fixed each that sets up of terminal surface of ring flange 18 the second fixing support 8 is fixed to be set up the same terminal surface of ring flange 18, the fixed each that is provided with in side of center pin 17 first fixing support 7 is fixed to be set up the side of center pin 17. Through the setting of individual center tube, ring flange 18 to can be more convenient fix first fixed support, second fixed support 8 of carrying on admittedly, and then can be convenient set up a plurality of detect probe arm to the center pin 17 on, thereby, can detect the more positions of geminate transistors inner wall when using.
Further as a preferred embodiment, two ends of the central shaft 17 are provided with leather cups 19, and the outer diameter of the leather cups 19 is larger than that of the central shaft 17. This simple structure, setting are convenient, through this leather cup 19's setting, when using, when the center pin 17 penetrates the pipeline that waits to detect for the center pin 17 sets up in the center of pipeline more easily, thereby uses each test probe arm to be more accurate when detecting the inner wall of pipeline.
In a further preferred embodiment, the cup 19 is provided with a recess 20, and the recess 20 is oriented along the rotating shaft 10 toward the horizontal guide rod 9. This simple structure, setting are convenient, through this sunken 20 setting, and when using, the user makes center pin 17 can be more smooth and easy when advancing along the extending direction of the pipeline that waits to detect.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. The utility model provides an angle measuring device, includes axis body (1), the body of rod (2), its characterized in that: the shaft body (1) is perpendicular to the rod body (2), one end face of the rod body (2) is provided with a groove, the groove enables the rod body (2) to form two first limiting plates (11) arranged at intervals, the bottom of the groove is provided with a Hall sensor (3), the shaft body (1) is arranged between the two first limiting plates (11), two ends of the shaft body (1) are respectively rotatably connected with the middle parts of the two first limiting plates (11), the outer side face of the shaft body (1) is sleeved with a ring body (4), the ring body (4) is fixedly connected with the outer side face of the shaft body (1), the outer side face of the ring body (4) is provided with a first permanent magnet (5) and a second permanent magnet (6), the first permanent magnet (5) and the second permanent magnet (6) are arranged along the circumferential direction of the ring body (4), and a magnetic field is formed between the first permanent magnet (5) and the second permanent magnet (6), the hall sensor (3) is disposed above the first permanent magnet (5) and the second permanent magnet (6) such that the hall sensor (3) is disposed within the magnetic field.
2. A test probe arm, characterized in that: the angle measuring device comprises the angle measuring device according to claim 1, and further comprises a first fixing support (7) and a second fixing support (8), wherein a channel hole is formed in the first fixing support (7) in the horizontal direction, a horizontal guide rod (9) is connected to the channel hole in a sliding manner, two ends of the horizontal guide rod penetrate out of the channel hole, a rotating shaft (10) is arranged at one end of the horizontal guide rod (9), the outer side surface of the rotating shaft (10) is connected with the horizontal guide rod (9), the rotating shaft (10) is perpendicular to the horizontal guide rod (9), the rotating shaft (10) is arranged between the two first limiting plates (11), the rotating shaft (10) is rotatably connected with the end portions, far away from the groove, of the two first limiting plates (11), and two second limiting plates (12) which are parallel to each other are arranged on the second fixing support at intervals, an accommodating space is formed between the two second limiting plates (12), the two first limiting plates (11) are arranged in the accommodating space, the first limiting plates (11) are parallel to the second limiting plates (12), and the shaft body (1) penetrates through the first limiting plates (11) and the second limiting plates (12) to be rotatably connected.
3. A probe arm for testing according to claim 2, wherein: keep away from horizontal guide bar (9) the pot head of pivot (10) has stop collar (13), the lateral surface cover of horizontal guide bar (9) has spring (14), the one end of spring (14) is connected stop collar (13), the other end of spring (14) is connected first fixing base, stop collar (13) sliding connection horizontal guide bar (9).
4. A probe arm for testing according to claim 3, wherein: horizontal guide bar (9) are kept away from the one end side of pivot (10) is provided with the screw thread, screw-thread fit has nut (15), nut (15) set up in stop collar (13) dorsad one side of spring (14), nut (15) support stop collar (13).
5. A probe arm for testing according to claim 2, wherein: and one end of the rod body (2) far away from the shaft body (1) is hinged with a shell (16).
6. A probe arm for probing according to claim 5, wherein: an ultrasonic probe or a vortex detection component or a magnetic leakage detection component is arranged in the shell (16).
7. An in-tube inspection probe, comprising: the detecting probe arm comprises a plurality of detecting probe arms as claimed in claim 2, and comprises a central shaft (17) and a flange plate (18), wherein the flange plate (18) is arranged on the central shaft (17), the flange plate (18) extends along the radial direction of the central shaft (17), each second fixed support (8) is fixedly arranged on the same end face of the flange plate (18), and each first fixed support (7) is fixedly arranged on the side face of the central shaft (17).
8. The in-tube inspection probe of claim 7, wherein: the two ends of the central shaft (17) are provided with leather cups (19), and the outer diameter of each leather cup (19) is larger than that of the central shaft (17).
9. The in-tube inspection probe of claim 8, wherein: be provided with on leather cup (19) sunken (20), sunken (20) orientation is followed pivot (10) toward the direction setting of horizontal guide bar (9).
10. The in-tube inspection probe of claim 7, wherein: a plurality of test probe arms as claimed in claim 2 arranged in a circumferential array centred on the axis of said central shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022865.2U CN210374981U (en) | 2019-07-01 | 2019-07-01 | Angle measuring device, detection probe arm and in-tube detection probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022865.2U CN210374981U (en) | 2019-07-01 | 2019-07-01 | Angle measuring device, detection probe arm and in-tube detection probe |
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| Publication Number | Publication Date |
|---|---|
| CN210374981U true CN210374981U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022865.2U Active CN210374981U (en) | 2019-07-01 | 2019-07-01 | Angle measuring device, detection probe arm and in-tube detection probe |
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| Country | Link |
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| CN (1) | CN210374981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640372A (en) * | 2021-06-29 | 2021-11-12 | 四川德源管道科技股份有限公司 | Pipeline nondestructive testing equipment |
| RU2772550C1 (en) * | 2021-07-12 | 2022-05-23 | Дмитрий Юрьевич Глинкин | Multi-channel measuring system for measuring the geometric profile of the pipeline |
-
2019
- 2019-07-01 CN CN201921022865.2U patent/CN210374981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640372A (en) * | 2021-06-29 | 2021-11-12 | 四川德源管道科技股份有限公司 | Pipeline nondestructive testing equipment |
| RU2772550C1 (en) * | 2021-07-12 | 2022-05-23 | Дмитрий Юрьевич Глинкин | Multi-channel measuring system for measuring the geometric profile of the pipeline |
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Effective date of registration: 20220426 Address after: 528000 room 315, building 4, Guangdong Zhujiang switchgear Co., Ltd., No. 11, Nansan Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province (residence declaration) Patentee after: Guangdong paplain Technology Co.,Ltd. Address before: 528000 No. 18, Jiangwan Road, Chancheng District, Guangdong, Foshan Patentee before: FOSHAN University Patentee before: Guangdong hydrogen Standard Technology Co.,Ltd. Patentee before: YUNFU (FOSHAN) HYDROGEN ENERGY STANDARDIZATION INNOVATION R&D CENTER |
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