WO2019000649A1

WO2019000649A1 - Pipeline bend measurement device

Info

Publication number: WO2019000649A1
Application number: PCT/CN2017/101520
Authority: WO
Inventors: 何家骥; 文华平; 张友智; 王振东; 王可
Original assignee: 广船国际有限公司
Priority date: 2017-06-30
Filing date: 2017-09-13
Publication date: 2019-01-03
Also published as: CN107192354A; CN107192354B

Abstract

A pipeline bend measurement device, comprising: a first housing (100), the exterior thereof being provided with a plurality of rollers (110) and the first housing (100) being connected to a traction component (120) outside of the first housing (100); a second housing (200), arranged in the first housing (100) and rotatably connected to the first housing (100); an inertia assembly (300), arranged in the second housing (200) and used for maintaining the spatial angle of the second housing (200) unchanged, the inertia assembly (300) comprising an inertia wheel (310) and a motor (320) for driving the inertia wheel (310) to rotate; and a photoelectric sensor (400), arranged between the first housing (100) and the second housing (200) and used for measuring the angle of rotation of the first housing (100) relative to the second housing (200). The pipeline bend measurement device may be used to measure the angle and length of a sounding pipe and does not need to enter a cabin along the piping to measure the sounding pipe, thereby reducing workload and risk factors which may possibly appear in the measurement and improving work efficiency and economic benefits. The pipeline bend measuring device has the advantages of simple structure, fewer parts, convenient use and simple maintenance.

Description

Pipe angle measuring device

Technical field

The invention relates to the technical field of pipeline system operation, in particular to a pipeline angle measuring device.

Background technique

The tank and oil tank of the tanker need to make a cabin table to measure the tank value corresponding to the liquid level. The sounding tube has different angles due to the influence of the cabin structure. The length measured by the weight type depth gauge does not reflect the true height of the liquid level. For the actual installation angle of the sounding tube and the length of each corner, it is necessary to go to the ship after the sounding tube is installed. Make manual measurements and make graphics and cabin tables.

The number of ballast tanks and oil tankers of oil tankers is large, and the sounding pipes are curved due to structural influences. The position of each corner turning point may be narrow and the environment is bad, which has a great influence on the accuracy of actual measurement. , thus affecting the calculation of the cabin table, affecting the accuracy. It takes a lot of manpower to manually enter the cabin.

Summary of the invention

It is an object of the present invention to provide a pipe angle measuring device that can measure a pipe bend angle and its length.

To this end, the present invention employs the following technical solutions:

A pipe angle measuring device is provided, comprising:

a first housing having a plurality of rollers disposed outside thereof, and the first housing is coupled to an external traction member thereof;

a second housing disposed inside the first housing, and the second housing and the first housing Rotate the connection;

An inertia assembly disposed in the second housing for maintaining a spatial angle of the second housing, the inertia assembly including an inertia wheel and a motor for driving the inertia wheel to rotate;

A photosensor is disposed between the first housing and the second housing for measuring an angle of rotation of the first housing relative to the second housing.

A preferred embodiment of the pipeline angle measuring device further includes an annular bracket between the first housing and the second housing, the first housing a first ejector pin is disposed on each of the opposite sides, and the outer circumference of the annular bracket is provided with a first limiting slot that cooperates with the first ejector pin, and the annular bracket can be connected around the two first thimbles a second thimble is disposed on an inner circumference of the annular bracket and opposite sides of the annular bracket, and an outer wall of the second housing is provided with a second limiting slot that cooperates with the second ejector pin, The second housing is rotatable about a line connecting the two second thimbles, and a line connecting the two first thimbles is perpendicular to a line connecting the two second thimbles.

A preferred technical solution of the pipeline angle measuring device further includes a conductive component, the conductive component including a first conductive portion and a second conductive portion, wherein the first conductive portion is disposed on the annular bracket The second conductive portion is disposed in the second housing, and the second conductive portion has one end and the second limiting slot. The other end is electrically connected to the motor through a conductive wire.

As a preferred technical solution of the pipeline angle measuring device, the inertia assembly further includes an intermediate connector, the intermediate connector includes a connecting body and a plurality of connecting rods, and the connecting body passes through the plurality of the connecting A rod is fixed in a middle portion of the second casing, an output shaft of the motor is coupled to the inertia wheel, and an end of the motor remote from the inertia wheel is coupled to the connecting body.

As a preferred technical solution of the pipeline angle measuring device, the connecting body is connected At least two of the inertia wheels are disposed at intervals, and the two inertia wheels are respectively fixed to the connecting body by one of the motors.

As a preferred technical solution of the pipeline angle measuring device, the interior of the second casing is further provided with a weight, and the weight is spaced apart from the inertia component.

As a preferred technical solution of the pipeline angle measuring device, the first casing is an ellipsoidal shape, the second casing is spherical, and the first casing has a relatively large radius of curvature. Two wide portions and two narrow portions having a relatively small radius of curvature, the second housing being disposed adjacent to one of the narrow portions, the photosensor being disposed on the inner wall of the first housing and located at another Said on the narrow part.

A preferred technical solution of the pipeline angle measuring device further includes a retracting device located outside the first casing, the retracting device comprising a reel and for mounting the reel a mounting bracket having a groove for winding the traction member at the outer circumference of the reel.

As a preferred technical solution of the pipe angle measuring device, a length measuring sensor is further provided, and the length measuring sensor is disposed on the mounting bracket and adjacent to the reel to release the position of the traction member.

As a preferred technical solution of the pipe angle measuring device, the outer circumference of the reel is provided with a scale value.

The beneficial effects of the present invention: when the pipe angle measuring device of the present invention passes through the elbow, the first casing can be deflected at an angle with respect to the second casing, and the second casing retains its action under the action of the inertia component The angle of the space is constant, so that the angle of rotation of the first housing relative to the second housing can be measured by a photoelectric sensor disposed between the first housing and the second housing; the traction member follows the first housing Moving together in the pipeline, the length of the traction component into the pipeline can be measured, and the angle change measured by the photoelectric sensor in a position in the pipeline, the moving distance of the first shell in the pipeline, and related software can be calculated. The length and angle of each bend are changed to draw a pipe shape drawing, which can be provided The cabin calculation is used. Compared with the prior art, when the pipeline angle measuring device of the invention is used for measuring the angle and length of the sounding tube, it is not necessary to enter the cabin to measure along the pipeline, thereby reducing the workload and the possibility of measurement. The risk factors that have been added have improved work efficiency and economic efficiency. The pipeline angle measuring device of the invention has the advantages of simple structure, few components, convenient use and simple maintenance.

DRAWINGS

1 is a schematic view of a pipe angle measuring device according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view taken along line A-A of Fig. 1;

In the picture:

100, a first housing; 110, a roller; 120, a traction member; 130, a first thimble; 200, a second housing; 210, a second limiting slot; 220, a second conductive portion; 300, an inertial component; , inertia wheel; 320, motor; 330, intermediate connector; 331, connecting body; 332, connecting rod; 340, conductive wire; 400, photoelectric sensor; 500, ring bracket; 510, first limit slot; Two thimbles; 530, first conductive portion; 600, retracting device; 610, reel; 620, mounting bracket; 630, handle; 700, length measuring sensor.

Detailed ways

The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the orientation or positional relationship of the terms "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description. Instead of indicating or implying that the device or component referred to must have a particular orientation, constructed and operated in a particular orientation, it is not to be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying Relative importance or implicit indication of the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly.

In the description of the present invention, the term "fixed" is to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or a mechanical connection, unless otherwise explicitly defined and defined. It is an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two components or the interaction of two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "on" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature "under" the second feature includes the first feature directly below and below the second feature, or merely indicating that the first feature level is less than the second feature.

As shown in FIG. 1 and FIG. 2, the pipe angle measuring device of the present embodiment includes: a first casing 100, a plurality of rollers 110 are disposed outside, and the first casing 100 is connected to the traction member 120 outside thereof; The second housing 200 is disposed inside the first housing 100, and the second housing 200 is rotatably connected to the first housing 100; the inertia assembly 300 is disposed in the second housing 200 for the second housing The space angle of the body 200 remains unchanged. The inertia assembly 300 includes a flywheel 310 and a motor 320 that drives the rotation of the inertia wheel 310. The photoelectric sensor 400 is located between the first housing 100 and the second housing 200 for measuring the first The angle at which the housing 100 is rotated relative to the second housing 200. When the pipe angle measuring device of the embodiment passes through the elbow, the first casing 100 can be deflected at an angle with respect to the second casing 200, and the second casing 200 maintains its role under the action of the inertia assembly 300. The angle of the space is constant, so that the first housing 100 can be measured relative to the second by the photosensor 400 disposed between the first housing 100 and the second housing 200. The angle at which the housing 200 is rotated; the traction member 120 moves within the conduit with the first housing 100, and the length of the traction member 120 into the conduit can be measured, the angle measured by the photosensor 400 in a location within the conduit. The change, the moving distance of the first casing 100 in the pipeline and the related software can calculate the length and angle variation of each pipe section, thereby drawing a pipe shape drawing, which can be provided for the calculation of the tank capacity. Compared with the prior art, when the pipeline angle measuring device of the embodiment is used for measuring the angle and length of the sounding pipe, it is not necessary to go into the cabin to measure along the pipeline, thereby reducing the workload and the possibility of measurement. The risk factors that have been added have improved work efficiency and economic efficiency. The pipeline angle measuring device of the embodiment has a simple structure, few components, convenient use, and simple maintenance.

In this embodiment, the roller 110 is directly in contact with the pipe wall, and the roller 110 is disposed such that the pipe angle measuring device moves along the length of the pipe under its own gravity.

In this embodiment, the pipe angle measuring device further includes an annular bracket 500. The ring bracket 500 is located between the first casing 100 and the second casing 200. a thimble 130, the outer circumference of the annular bracket 500 is provided with a first limiting slot 510 that cooperates with the first ejector pin 130, and the annular bracket 500 is rotatable about the connecting line of the two first thimbles 130; the inner circumference of the annular bracket 500 is opposite A second ejector pin 520 is disposed on each of the two sides, and an outer wall of the second housing 200 is disposed with a second limiting slot 210 that cooperates with the second ejector pin 520. The second housing 200 can be wound around the two second thimbles 520. The wire is rotated, and the line between the two first thimbles 130 is perpendicular to the line between the two second thimbles 520. When the pipeline angle measuring device passes through the pipeline corner, the annular bracket 500 can rotate 360° around the connection of the two first thimbles 130, and the second casing 200 can be wound around the connection of the two second thimbles 520. 360° rotation, and the setting of the inertia assembly 300 can keep the spatial position of the second housing 200 unchanged, and the first housing 100 must be rotated relative to the second housing 200 to accommodate the change of the bending angle of the pipeline, and the photoelectric sensor 400 This angle of rotation can be measured in real time.

In this embodiment, the pipe angle measuring device further includes a conductive component, and the conductive component includes the first conductive The first conductive portion 530 is disposed in the annular bracket 500 for guiding the first limiting slot 510 and the second ejector pin 520, and the first limiting slot 510 is in contact with the first ejector pin 130. The second conductive portion 220 is disposed in the second housing 200. One end of the second conductive portion 220 is electrically connected to the second limiting slot 210, and the other end is electrically connected to the motor 320 through the conductive line 340. The bit groove 210 is in contact with and electrically connected to the second ejector pin 520. An insulating layer may be disposed outside the first housing 100, and the first housing 100 is connected to an external power source, so that the motor 320 can be powered. When the pipe angle measuring device of the present embodiment performs measurement in the pipe, the motor 320 is always in an energized state.

The inertia assembly 300 further includes an intermediate connector 330. The intermediate connector 330 includes a connecting body 331 and a plurality of connecting rods 332. The connecting body 331 is fixed to the middle of the second housing 200 by a plurality of connecting rods 332. The inertia wheel 310 is connected, and one end of the motor 320 away from the inertia wheel 310 is connected to the connecting body 331. The connecting body 331 is a cylindrical structure. Specifically, the connecting body 331 is connected to the second housing 200 via three connecting rods 332. The three connecting rods 332 are disposed outside the connecting body 331 , that is, adjacent to the two connecting rods 332 . The angle between the two is 120°, one end of the connecting rod 332 is connected to the connecting body 331, and the other end is connected to the inner wall of the second housing 200. In other embodiments, the connecting body 331 can also be designed to be spherical. The inertia wheel 310 is fixed on the connecting body 331 by the motor 320. When the pipe angle measuring device passes through the pipe corner, the inertia wheel 310 maintains high speed rotation under the action of the motor 320, and the inertial force thereof can make the second casing 200 The angle of space remains the same. At rest, the inertia wheel 310 is positioned below the connecting body 331 by its own weight.

The connecting body 331 is spaced apart from the at least two inertia wheels 310. The two inertia wheels 310 are respectively fixed on the connecting body 331 by a motor 320 to improve the accuracy of the rotation angle measurement of the first housing 100 relative to the second housing 200. . The number of the inertia wheels 310 is not limited, and may be two or three or even more, and may be designed according to the weight and size of the pipe angle measuring device. Specifically, as shown in FIG. 1 and FIG. 2, two connecting inertia wheels 310 are arranged on the connecting body 331 to ensure measurement. Based on the accuracy, the production cost of the pipe angle measuring device can be reduced.

In order to further provide the accuracy of the measurement result, the inside of the second housing 200 is further provided with a weight, and the weight is spaced apart from the inertia assembly 300 (not shown). The weight is fixedly connected to the connecting body 331 and may also be fixedly connected to the second housing 200.

As a preferred embodiment of the present invention, the first housing 100 is ellipsoidal, and the second housing 200 is spherical. The first housing 100 has two wide portions having a relatively large radius of curvature and a relatively small radius of curvature. Two narrow portions, the second housing 200 is disposed adjacent to one of the narrow portions, and the photosensor 400 is disposed on the inner wall of the first housing 100 and on the other narrow portion. In this embodiment, the first housing 100 is an ellipsoidal shape, and the second housing 200 is spherical, which facilitates the arrangement of the photosensor 400, so that the photosensor 400 has a certain distance from the second housing 200, and the first housing 100 When rotating relative to the second housing 200, the relative displacement of the first housing 100 can be increased, thereby improving the accuracy of the measurement results.

Specifically, the traction member 120 is a wire rope. Preferably, the traction member 120 is a combined wire rope (a combination of a power wire and a common wire rope) capable of conveying a bidirectional current, and a ring is disposed outside the narrow portion of the first casing 100 and adjacent to the photoelectric sensor 400. The traction member 120 is fixedly coupled to the eyebolt.

In addition, the pipe angle measuring device further includes a retracting device 600 located outside the first casing 100. The retracting device 600 includes a reel 610 and a mounting bracket 620 for mounting the reel 610. A groove (not shown) wound around the traction member 120. One side of the reel 610 is provided with a handle 630 that can be conveniently used to push the reel 610 to rotate to effect selective release of the traction member 120 to accommodate movement of the first housing 100 within the conduit.

In the present embodiment, a traveling wheel for assisting the movement of the retracting device 600 and a locking member for locking the traveling wheel may be disposed under the retracting device 600, and when the auxiliary retracting device 600 moves to the sounding depth When the tube is at the mouth of the tube, the locking wheel can be locked by the locking member to avoid the movement of the auxiliary retracting device 600 during the measurement to affect the measurement result.

In order to facilitate the measurement of the moving distance of the pipe angle measuring device in the pipe, in the embodiment, the pipe bending angle measuring device further includes a length measuring sensor 700, and the length measuring sensor 700 is disposed on the mounting bracket 620 and adjacent to the reel 610 releases the position of the traction member 120. The length measuring sensor 700 can measure the length of a section of the traction member 120 released by the pipeline angle measuring device when passing through the corner, and the length of the section of the traction member 120 is the length of the pipeline corner.

In other embodiments, a scale value may also be set on the outer circumference of the reel 610. When the pipeline angle measuring device passes a certain angle, the length of the released portion of the traction member 120 can be calculated by the scale value.

For the ballast tank of the tanker, there are more than 30 sounding pipes installed in it, each of which may be 25 meters long. The sounding pipe has more than a dozen corners due to structural influence, and is manually climbed into the cabin for measurement. It also takes about 3 days of labor; the location of each corner turning point may be relatively narrow, the environment is bad, and the accuracy of the actual measurement has a great influence, which affects the calculation of the cabin table and affects the accuracy; There is also a certain danger to the person. By using the pipeline angle measuring device of the invention, it is possible to prevent personnel from entering the cabin, and it takes only about half a day of measurement time to improve work efficiency and provide measurement accuracy.

The pipeline angle measuring device of the invention can be applied to the pipeline angle measurement of marine engineering and industry in addition to the sounding tube of the ship, and has wide application range; improving measurement precision and working efficiency to provide economic benefits and reduce The environmental impact of personnel entering the cabin.

In the description of the present specification, the description of the term "preferred embodiment" or the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

The above embodiments are only intended to illustrate the detailed method of the present invention, and the present invention is not limited to the above detailed description. The law, that is, does not mean that the invention must rely on the detailed methods described above to be implemented. It should be apparent to those skilled in the art that any modifications of the present invention, equivalent substitution of the various materials of the products of the present invention, addition of auxiliary components, selection of specific means, and the like, are all within the scope of the present invention.

Claims

A pipeline angle measuring device, comprising:

a first housing having a plurality of rollers disposed outside thereof, and the first housing is coupled to an external traction member thereof;

a second housing disposed inside the first housing, and the second housing is rotatably coupled to the first housing;

An inertia assembly disposed in the second housing for maintaining a spatial angle of the second housing, the inertia assembly including an inertia wheel and a motor for driving the inertia wheel to rotate;

A photosensor is disposed between the first housing and the second housing for measuring an angle of rotation of the first housing relative to the second housing.
The pipe angle measuring device according to claim 1, further comprising an annular bracket between the first casing and the second casing, the first casing a first ejector pin is disposed on each of the opposite sides, and the outer circumference of the annular bracket is provided with a first limiting slot that cooperates with the first ejector pin, and the annular bracket can be connected around the two first thimbles a second thimble is disposed on an inner circumference of the annular bracket and opposite sides of the annular bracket, and an outer wall of the second housing is provided with a second limiting slot that cooperates with the second ejector pin, The second housing is rotatable about a line connecting the two second thimbles, and a line connecting the two first thimbles is perpendicular to a line connecting the two second thimbles.
The pipeline angle measuring device according to claim 2, further comprising a conductive component, the conductive component comprising a first conductive portion and a second conductive portion, wherein the first conductive portion is disposed on the annular bracket The second conductive portion is disposed in the second housing, and the second conductive portion has one end and the second limiting slot. The other end is electrically connected to the motor through a conductive wire.
The pipeline angle measuring device according to claim 1, wherein said inertia component Also included is an intermediate connector comprising a connecting body and a plurality of connecting rods, the connecting body being fixed in a middle portion of the second housing by a plurality of the connecting rods, an output shaft of the motor and the inertia The wheel is connected, and one end of the motor away from the inertia wheel is connected to the connecting body.
The pipeline angle measuring device according to claim 4, wherein at least two of the inertia wheels are spaced apart from each other on the connecting body, and the two inertia wheels are respectively fixed by the motor in the Connect to the body.
The pipe angle measuring device according to claim 1, wherein the inside of the second casing is further provided with a weight, and the weight is spaced apart from the inertia component.
The pipeline angle measuring device according to any one of claims 1 to 6, wherein the first casing is an ellipsoidal shape, the second casing is spherical, and the first casing has a curvature Two wide portions having a relatively large radius and two narrow portions having a relatively small radius of curvature, the second housing being disposed adjacent to one of the narrow portions, the photosensor being disposed on an inner wall of the first housing And located on the other narrow part.
A pipe angle measuring device according to claim 7, further comprising a retracting device located outside said first casing, said retracting device comprising a reel and for mounting said reel a mounting bracket having a groove for winding the traction member at the outer circumference of the reel.
The pipe angle measuring apparatus according to claim 8, further comprising a length measuring sensor disposed on said mounting bracket and adjacent to said reel to release said traction member.
The pipe angle measuring device according to claim 8, wherein the outer circumference of the reel is provided with a scale value.