CN111457853A - Deformation measuring device and method - Google Patents
Deformation measuring device and method Download PDFInfo
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- CN111457853A CN111457853A CN202010280652.0A CN202010280652A CN111457853A CN 111457853 A CN111457853 A CN 111457853A CN 202010280652 A CN202010280652 A CN 202010280652A CN 111457853 A CN111457853 A CN 111457853A
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- strip
- pipeline
- belt body
- shaped belt
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to the technical field of pipeline measurement, and discloses a deformation measuring device and method, which can be used for rapidly detecting whether a pipeline deforms or not. The invention comprises a strip belt body, a connecting piece and a laser component: the connecting piece is fixedly connected with one end of the strip-shaped belt body, and the connecting piece is detachably connected with the other end of the strip-shaped belt body; the plurality of laser assemblies are respectively detachably connected with the strip-shaped belt body and are uniformly distributed along the extending direction of the strip-shaped belt body. The invention utilizes the strip-shaped belt body and the connecting piece to form annular structures with different sizes to be wound on the outer wall of the pipeline to be detected, then a plurality of laser assemblies are sequentially fixed on the strip-shaped belt body, and the annular surfaces formed by the plurality of laser assemblies and the cross section of the measuring position of the pipeline to be detected can be kept on the same plane by adjusting the strip-shaped belt body, thereby improving the accuracy of the deformation result of the pipeline to be detected.
Description
Technical Field
The invention relates to the technical field of pipeline measurement, in particular to a deformation measuring device and method.
Background
Pipeline deformation is common problem in the large-scale equipment inspection and detection process, especially in coastal areas, the ground sinks often to appear, has very big influence to the safety of pipeline when the pipeline appears warping, can cause stress concentration, causes intensity reduction easily, produces the defect, can cause the weak position of welded joint to leak when serious, causes serious incident. And when the pipeline deforms, stress analysis is required according to the requirements of regulations, the deformation of the pipeline needs to be measured, and at present, a pipeline measuring device which is suitable and convenient to operate does not exist.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a deformation measuring device which can be used for rapidly detecting whether a pipeline deforms or not.
The invention also provides a deformation measuring method.
The deformation measuring device according to the embodiment of the first aspect of the invention comprises a strip-shaped belt body, a connecting piece and a laser assembly: the connecting piece is fixedly connected with one end of the strip-shaped belt body, and the connecting piece is detachably connected with the other end of the strip-shaped belt body; the plurality of laser assemblies are detachably connected with the strip-shaped belt body respectively, and the plurality of laser assemblies are uniformly distributed along the extending direction of the strip-shaped belt body.
The deformation measuring device provided by the embodiment of the invention has at least the following beneficial effects: the strip-shaped belt body and the connecting piece are utilized to enable the strip-shaped belt body to form annular structures with different sizes so as to be wound on the outer wall of the pipeline to be detected, then the plurality of laser assemblies are sequentially fixed on the strip-shaped belt body, and the annular surfaces formed by the plurality of laser assemblies and the cross section of the measuring position of the pipeline to be detected can be kept on the same plane by adjusting the strip-shaped belt body, so that the accuracy of the deformation result of the pipeline can be improved.
According to some embodiments of the invention, the upper end face and/or the lower end face of each of the laser assemblies is provided with a suction portion. By using the adsorption part, the laser component can be stably fixed on the pipeline to be measured, so that the result of measuring the deformation of the pipeline to be measured can be improved.
According to some embodiments of the invention, the suction part is a magnet, a suction cup or a double-sided tape. According to the material type and the using environment of the pipeline to be measured, the adsorption part suitable for the material can be selected, so that the laser assembly can be stably fixed on the pipeline to be measured.
According to some embodiments of the invention, further comprising a measuring ruler, the measuring ruler being a straight ruler or a fan ruler. The cooperation dipperstick, with the dipperstick butt in the position that awaits measuring the pipe deformation, through observing the position of laser irradiation on the dipperstick, then can judge that the deflection of this deformation position is what.
According to some embodiments of the present invention, the connecting member is provided with a through hole through which the other end of the strip-shaped band body can pass, and one side of the through hole is provided with a first clamping groove which is communicated with the through hole and is adapted to the strip-shaped band body. Utilize the through-hole, can be according to the appearance of the strip area body of the appearance pre-adjustment of the pipeline that awaits measuring, and be fixed in the strip area body in proper order at laser subassembly, make the outer wall of the pipeline that awaits measuring fill up laser subassembly along circumference after, then can establish the position card that the other end of the strip area body corresponds with first draw-in groove in, make the strip area body can be around establishing on the outer wall of the pipeline that awaits measuring, cooperation through-hole and first draw-in groove can conveniently be around establishing on the pipeline that awaits measuring to the strip area body, thereby detection efficiency has been improved.
According to some embodiments of the invention, the first slot is opposite to a position where the strip-shaped belt body is fixedly connected with the connecting piece. The annular structure formed by the strip-shaped belt body and the cross section of the position measured by the pipeline to be measured can be kept on the same plane.
According to some embodiments of the present invention, a second slot is disposed at one end of the connecting member away from the fixed connection between the connecting member and the strip-shaped band, and any position of the other end of the strip-shaped band can be clamped in the second slot.
According to some embodiments of the invention, the laser assembly comprises a base, a power module, a control switch, and a laser color generator; one end of the base is detachably connected with the strip-shaped belt body; the power supply module is arranged in the base; the control switch is arranged on one side of the base and is electrically connected with the power supply module; the laser transmitter is fixed with the other end of the base and electrically connected with the control switch.
According to some embodiments of the present invention, one end of the base is provided with a third engaging groove adapted to the strip-shaped band, and the strip-shaped band can be engaged in the third engaging groove. And the third clamping groove is used for facilitating the connection or the disassembly of the laser assembly and the strip-shaped belt body.
According to some embodiments of the invention, the strip-shaped belt body is made of an elastic material. The strip-shaped belt body made of elastic materials is adopted, so that the attaching degree of an annular structure formed by the strip-shaped belt body and the outer wall of the pipeline to be detected is improved when the two ends of the strip-shaped belt body are fixedly connected through the connecting piece.
A deformation measurement method according to an embodiment of the second aspect of the present invention includes: a strip-shaped belt body is annularly arranged on the outer wall of one end of the pipeline to be detected; fixedly connecting a plurality of laser assemblies with the strip-shaped belt body respectively so as to form an annular structure, wherein the irradiation direction of each laser assembly is consistent with the extension direction of the other end of the pipeline to be detected; and detecting along the irradiation direction of the laser assembly to detect whether a light spot exists on the pipeline to be detected, if so, judging that the pipeline to be detected is deformed, and if not, judging that the pipeline to be detected is not deformed.
The deformation measuring method provided by the embodiment of the invention has at least the following beneficial effects: evenly set up a plurality of laser assembly along the periphery in the one end of the pipeline that awaits measuring to make laser assembly's direction of illumination all with the extending direction of the pipeline other end that awaits measuring keeps unanimous, then can directly on the pipeline that awaits measuring whether there is the facula, thereby whether quick judgement pipeline that awaits measuring has bending deformation, has improved deformation measurement's efficiency effectively.
According to some embodiments of the invention, when the pipe to be measured is judged to be deformed, a measuring scale is used for measuring the opposite side of the found light spot of the pipe to be measured, the measuring scale is made to move back and forth along the axial direction or the radial direction of the pipe to be measured, and the reading of the light spot corresponding to each point on the measuring scale is read and compared; and the maximum value of the reading is the maximum deformation, and the position of the pipeline to be detected corresponding to the maximum value of the reading is the maximum deformation position.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a deformation measuring apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a connecting member and a strip-shaped belt body of the deformation measuring device shown in fig. 1;
FIG. 3 is a schematic structural view of a laser assembly and a suction portion of the deformation measuring device shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a sector rule according to an embodiment of the present invention;
fig. 5 is a schematic view of a measurement principle of the deformation measurement apparatus according to the embodiment of the present invention.
Reference numerals: the strip-shaped band body 100, the connecting piece 200, the through hole 210, the first clamping groove 220, the laser component 300, the base 310, the control switch 320, the laser emitter 330, the third clamping groove 340, the absorption part 400, the measuring scale 500 and the pipeline 600 to be measured.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, a deformation measuring device according to an embodiment of the first aspect of the present invention includes a strip 100, a connector 200, and a laser assembly 300: the connecting piece 200 is fixedly connected with one end of the strip-shaped belt body 100, and the connecting piece 200 is detachably connected with the other end of the strip-shaped belt body 100; the plurality of laser assemblies 300 are detachably connected to the strip-shaped belt 100, and the plurality of laser assemblies 300 are uniformly distributed along the extending direction of the strip-shaped belt 100.
Specifically, the connecting member 200 is detachably connected to the other end of the strip-shaped belt 100, wherein the other end of the strip-shaped belt 100 does not necessarily refer to the most end position, and may be any position except the fixed connection position of the strip-shaped belt 100 and the connecting member 200.
Referring to fig. 3, in some embodiments of the present invention, an upper end surface of each laser assembly 300 is provided with a suction part 400. By using the suction part 400, the laser module 300 can be stably fixed to the pipe 600 to be measured, and the result of measuring the deformation of the pipe 600 to be measured can be improved. When the laser assemblies 300 are installed, the upper end surfaces of the laser assemblies 300 face the inner side of the annular structure formed by the strip-shaped belt body 100, so that each laser assembly 300 can be tightly attached and fixed to the pipeline 600 to be tested.
It is conceivable that the suction part 400 may be provided on the lower end surface of the laser module 300, and the lower end surface of the laser module 300 faces the inside of the loop structure formed by the strip-shaped tape body 100 when being mounted.
It is conceivable that the suction portions 400 may be provided on the upper end surface and the lower end surface of the laser module 300, so that it is not necessary to distinguish the mounting direction of the laser module 300 when mounting the laser module 300, and the mounting efficiency before detection can be improved.
In some embodiments of the present invention, the suction part 400 is a magnet. Because the pipeline 600 that awaits measuring in this embodiment most all is the metal material that possesses magnetism, then adopt magnet, magnet and laser component 300 are fixed connection's relation, through the absorption of magnet and pipeline 600 that awaits measuring, then can make laser component 300 be fixed in on the outer wall of pipeline 600 that awaits measuring or with laser component 300 directly follow pipeline 600 that awaits measuring and dismantle.
It is conceivable that the suction portion 400 may be a suction cup, and when the pipe 600 to be measured is a rubber pipe or the outer wall is a smooth surface, the suction cup is used for suction, and the laser assembly 300 and the pipe 600 to be measured may be conveniently fixed or detached.
It is conceivable that the adsorption part 400 may also be a double-sided tape. Each time the laser module 300 is installed, the laser module 300 may be fixed to the outer wall of the pipe 600 to be tested by using the double-sided tape.
Therefore, it is conceivable that the suction part 400 of a suitable material may be selected according to the type of material of the pipe 600 to be tested and the use environment, so that the laser module 300 can be stably fixed to the pipe 600 to be tested.
Referring to fig. 4, in some embodiments of the present invention, a measuring ruler 500 is further included, in this embodiment, the pipe 600 to be measured is a cylinder, and then the measuring ruler 500 is a sector ruler. During measurement, according to the appearance of the pipeline 600 to be measured, the fan-shaped ruler with the matched shape is selected, the fan-shaped ruler can be abutted to the position where the pipeline 600 to be measured deforms, and the deformation amount of the deformation position can be judged by observing the position where the laser irradiates on the fan-shaped ruler. Through multi-point measurement and comparison, the maximum deformation position and the deformation amount of the pipeline 600 to be measured can be judged.
It is conceivable that the measuring scale 500 may directly adopt a straight ruler, and during measurement, one end of the straight ruler may be directly abutted to the outer wall of the pipe 600 to be measured, and by observing the position of the laser irradiated on the fan-shaped ruler, the amount of deformation at the deformed position may be determined. Through multi-point measurement and comparison, the maximum deformation position and the deformation amount of the pipeline 600 to be measured can be judged.
Referring to fig. 2, in some embodiments of the present invention, the connecting member 200 is provided with a through hole 210 through which the other end of the strip-shaped band 100 can pass, and one side of the through hole 210 is provided with a first engaging groove 220 communicating with the through hole 210 and adapted to the strip-shaped band 100. Utilize through-hole 210, can be according to the appearance of the pipeline 600 that awaits measuring the appearance of the strip area body 100 of preadjustment, and on laser subassembly 300 was fixed in proper order with the strip area body 100, make the outer wall of the pipeline 600 that awaits measuring fill up laser subassembly 300 back along circumference, then can establish the position card that the other end of the strip area body corresponds with in first draw-in groove 220, make the strip area body 100 can be around establishing on the outer wall of the pipeline 600 that awaits measuring, cooperation through-hole 210 and first draw-in groove 220, can conveniently wind establishing on the pipeline 600 that awaits measuring to the strip area body 100, thereby detection efficiency has been improved.
In some embodiments of the present invention, the first engaging groove 220 is opposite to the position where the strip-shaped strap 100 is fixedly connected to the connecting member 200, for example, in fig. 2, the fixed connection position of the strip-shaped strap 100 and the connecting member 200 is located on the same horizontal plane as the first engaging groove 220. It is ensured that the loop structure formed by the strip-shaped strip body 100 and the cross section of the position measured by the pipeline 600 to be measured are kept on the same plane.
It is conceivable that a second slot (not shown) may be provided at an end of the connecting member 200 away from the fixed connection between the connecting member 200 and the strip-shaped band 100, and any position of the other end of the strip-shaped band 100 may be engaged in the second slot (not shown). The second locking groove (not shown) can be directly used, and the effect of fixing and connecting the two ends of the strip-shaped belt body 100 can also be achieved.
It is conceivable that the connection member 200 may also directly employ a wire clamp, thereby clamping or releasing the other end of the strip body 100.
Referring to fig. 3, in some embodiments of the present invention, laser assembly 300 includes a base 310, a power module (not shown), a control switch 320, and a laser color generator; one end of the base 310 is detachably connected with the strip-shaped belt body 100; a power supply module (not shown) is provided inside the base 310; the control switch 320 is disposed at one side of the base 310 and electrically connected to a power module (not shown); the laser transmitter 330 is fixed to the other end of the base 310 and electrically connected to the control switch 320. When the laser module 300 is installed, the operating state of the laser transmitter 330 can be controlled by pressing the control switch 320.
It is conceivable that the power module (not shown) may employ a rechargeable battery or a dry battery and corresponding peripheral circuits, so as to supply power to the laser transmitter 330 by the power module (not shown), wherein the structure of the power module (not shown) belongs to the conventional technical means of those skilled in the art, and will not be described in detail herein. In this example, the power module (not shown) adopts a rechargeable battery, so that repeated charging can be achieved, specifically, the base 310 can be provided with a corresponding battery compartment, so as to facilitate installation and detachment of the rechargeable battery or the dry battery, the corresponding peripheral circuit is arranged on the circuit board, and the circuit board is arranged inside the base 310 and electrically connected with the laser emitter 330 through the control switch 320.
Referring to fig. 3, in some embodiments of the present invention, one end of the base 310 is provided with a third slot 340 adapted to the strip-shaped tape 100, and the strip-shaped tape 100 can be clamped in the third slot 340. The third locking groove 340 can facilitate the connection and disconnection of the laser assembly 300 and the strip-shaped belt 100.
In some embodiments of the present invention, the strip-shaped belt 100 is made of an elastic material. The strip-shaped band body 100 made of elastic material can ensure that the annular structure formed by the strip-shaped band body 100 can be matched with the cross section of the pipeline 600 to be measured when the two ends of the strip-shaped band body 100 are fixedly connected through the connecting piece 200. If the cross section of the pipe 600 to be measured is square or circular, the strip-shaped strip 100 made of elastic material is used to facilitate the strip-shaped strip 100 to form a square or circular structure.
A deformation measurement method according to an embodiment of the second aspect of the present invention includes: a strip-shaped belt body 100 is annularly arranged on the outer wall of one end of the pipeline 600 to be tested; fixedly connecting a plurality of laser assemblies 300 with the strip-shaped belt body 100 respectively, thereby forming an annular structure, and keeping the irradiation direction of each laser assembly 300 consistent with the extension direction of the other end of the pipeline 600 to be measured; detecting along the irradiation direction of the laser assembly 300 to detect whether a light spot exists on the pipeline 600 to be detected, if yes, determining that the pipeline 600 to be detected is deformed, and if not, determining that the pipeline 600 to be detected is not deformed.
In some embodiments of the present invention, when it is determined that the pipeline 600 to be measured is deformed, the measuring scale 500 is used to measure the pipe 600 to be measured at the opposite side of the found light spot, and the measuring scale 500 is moved back and forth along the axial direction or the radial direction of the pipe 600 to be measured, and the readings of the light spots corresponding to each point on the measuring scale 500 are read and compared; the maximum value of the reading is the maximum deformation, and the position of the to-be-measured pipe 600 corresponding to the maximum value of the reading is the maximum deformation position.
A deformation measuring device according to an embodiment of the present invention is described in detail below in one specific embodiment with reference to fig. 1 to 5. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.
Referring to fig. 1 and 2, a deformation measuring apparatus includes a strip-shaped band body 100, a connector 200, and a laser assembly 300: the connecting piece 200 is fixedly connected with one end of the strip-shaped belt body 100, and the connecting piece 200 is detachably connected with the other end of the strip-shaped belt body 100; the plurality of laser assemblies 300 are detachably connected to the strip-shaped belt 100, and the plurality of laser assemblies 300 are uniformly distributed along the extending direction of the strip-shaped belt 100.
Specifically, the connecting member 200 is detachably connected to the other end of the strip-shaped belt 100, wherein the other end of the strip-shaped belt 100 does not necessarily refer to the most end position, and may be any position except the fixed connection position of the strip-shaped belt 100 and the connecting member 200.
Referring to fig. 3, in the present embodiment, an upper end surface of each laser module 300 is provided with a suction part 400. By using the suction part 400, the laser module 300 can be stably fixed to the pipe 600 to be measured, and the result of measuring the deformation of the pipe 600 to be measured can be improved. When the laser assemblies 300 are installed, the upper end surfaces of the laser assemblies 300 face the inner side of the annular structure formed by the strip-shaped belt body 100, so that each laser assembly 300 can be tightly attached and fixed to the pipeline 600 to be tested.
In the present embodiment, the attraction portion 400 is a magnet. Because the pipeline 600 that awaits measuring in this embodiment most all is the metal material that possesses magnetism, then adopt magnet, magnet and laser component 300 are fixed connection's relation, through the absorption of magnet and pipeline 600 that awaits measuring, then can make laser component 300 be fixed in on the outer wall of pipeline 600 that awaits measuring or with laser component 300 directly follow pipeline 600 that awaits measuring and dismantle.
Referring to fig. 4, in the present embodiment, a measuring ruler 500 is further included, and the measuring ruler 500 is a sector ruler. During measurement, according to the appearance of the pipeline 600 to be measured, the fan-shaped ruler with the matched shape is selected, the fan-shaped ruler can be abutted to the deformed position of the pipeline 600 to be measured, and the deformation amount of the deformed position can be judged by observing the position of laser irradiation on the fan-shaped ruler.
Referring to fig. 2, in the present embodiment, the connecting member 200 is provided with a through hole 210 through which the other end of the strip-shaped belt body 100 can pass, and one side of the through hole 210 is provided with a first engaging groove 220 communicating with the through hole 210 and adapted to the strip-shaped belt body 100. Utilize through-hole 210, can be according to the appearance of the pipeline 600 that awaits measuring the appearance of the strip area body 100 of preadjustment, and on laser subassembly 300 was fixed in proper order with the strip area body 100, make the outer wall of the pipeline 600 that awaits measuring fill up laser subassembly 300 back along circumference, then can establish the position card that the other end of the strip area body corresponds with in first draw-in groove 220, make the strip area body 100 can be around establishing on the outer wall of the pipeline 600 that awaits measuring, cooperation through-hole 210 and first draw-in groove 220, can conveniently wind establishing on the pipeline 600 that awaits measuring to the strip area body 100, thereby detection efficiency has been improved.
In the embodiment, the first engaging groove 220 faces the position where the strip-shaped band 100 is fixedly connected to the connecting member 200, as shown in fig. 2, the fixed connection position of the strip-shaped band 100 and the connecting member 200 is located on the same horizontal plane as the first engaging groove 220. It is ensured that the loop structure formed by the strip-shaped strip body 100 and the cross section of the position measured by the pipeline 600 to be measured are kept on the same plane.
Referring to fig. 3, in the present embodiment, the laser assembly 300 includes a base 310, a power supply module (not shown), a control switch 320, and a laser color generator; one end of the base 310 is detachably connected with the strip-shaped belt body 100; a power supply module (not shown) is provided inside the base 310; the control switch 320 is disposed at one side of the base 310 and electrically connected to a power module (not shown); the laser transmitter 330 is fixed to the other end of the base 310 and electrically connected to the control switch 320. When the laser module 300 is installed, the operating state of the laser transmitter 330 can be controlled by pressing the control switch 320.
In the present embodiment, one end of the base 310 is provided with a third engaging groove 340 adapted to the strip-shaped belt 100, and the strip-shaped belt 100 can be engaged in the third engaging groove 340. The third locking groove 340 can facilitate the connection and disconnection of the laser assembly 300 and the strip-shaped belt 100.
In the present embodiment, the strip-shaped belt 100 is made of an elastic material. The strip-shaped band body 100 made of elastic material can ensure that the annular structure formed by the strip-shaped band body 100 can be matched with the cross section of the pipeline 600 to be measured when the two ends of the strip-shaped band body 100 are fixedly connected through the connecting piece 200. If the cross section of the pipe 600 to be measured is square or circular, the strip-shaped strip 100 made of elastic material is used to facilitate the strip-shaped strip 100 to form a square or circular structure.
Referring to fig. 5, the specific measurement process is as follows:
firstly, the strip-shaped band body 100 is annularly arranged on the pipeline 600 to be measured, the other end of the strip-shaped band body 100 penetrates through the through hole 210 of the connecting piece 200, the annular structure formed by the strip-shaped band body 100 is matched with the appearance of the pipeline 600 to be measured, after the approximate size is determined, a corresponding number of laser assemblies 300 are arranged according to the size of the pipeline 600 to be measured, a plurality of laser assemblies 300 are sequentially annularly arranged on the outer wall of the pipeline 600 to be measured and are fixedly connected with the strip-shaped band body 100, even if the strip-shaped band body 100 is respectively clamped on the third clamping groove 340 of the base 310, then the other end of the strip-shaped band body 100 is pulled again, the annular structure of the strip-shaped band body 100 is further reduced, so that a plurality of laser assemblies 300 are respectively attached to the pipeline 600 to be measured, during adjustment, the position of the adsorption part 400 of each laser assembly 300 is, and the plane is parallel to the cross section of the pipeline 600 to be measured, and finally, the position corresponding to the other end of the strip-shaped belt body 100 is slid into the first clamping groove 220 after adjustment, so that the strip-shaped belt body 100 is clamped in the first clamping groove 220, thereby forming a fixed annular structure. Finally, the control switch 320 of each laser assembly 300 is turned on, so that the laser emitter 330 emits laser, and the position of the pipe 600 to be tested, which is bent, can be determined by observing whether the pipe 600 to be tested has light spots. When the deformation of the pipeline 600 to be measured is judged, the measuring scale 500 is used for measuring the opposite side of the pipeline 600 to be measured, the measuring scale 500 is made to move back and forth along the axial direction or the radial direction of the pipeline 600 to be measured, and the reading of the light spots corresponding to each point on the measuring scale 500 is read and compared; the maximum value of the reading is the maximum deformation, and the position of the to-be-measured pipe 600 corresponding to the maximum value of the reading is the maximum deformation position.
According to the deformation measuring device of the embodiment of the invention, by such arrangement, at least some effects can be achieved, the strip-shaped strip body 100 and the connecting piece 200 are utilized to enable the strip-shaped strip body 100 to form annular structures with different sizes to be wound on the outer wall of the pipeline 600 to be measured, then the plurality of laser assemblies 300 are sequentially fixed on the strip-shaped strip body 100, the annular surfaces formed by the plurality of laser assemblies 300 and the cross section of the measuring position of the pipeline 600 to be measured can be kept on the same plane by adjusting the strip-shaped strip body 100, the plurality of laser assemblies 300 are utilized to respectively irradiate along the extending direction of the pipeline 600 to be measured at the same position, whether the pipeline 600 to be measured is bent and deformed or not can be judged by observing whether light spots exist on the pipeline 600 to be measured, and the maximum deformation of the pipeline 600 to be measured can be quickly judged by matching with the measuring scale 500, so that the embodiment of the invention is adopted, the invention can not only improve the efficiency of measuring the deformation of the pipeline and the accuracy of measuring the deformation result of the pipeline, but also facilitate the carrying and the assembly of operators and improve the portability.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular 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 this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A deformation measuring device, comprising:
a strip-shaped belt body;
the connecting piece is fixedly connected with one end of the strip-shaped belt body, and the connecting piece is detachably connected with the other end of the strip-shaped belt body;
the laser assemblies are detachably connected with the strip-shaped belt body respectively, and the laser assemblies are uniformly distributed along the extending direction of the strip-shaped belt body.
2. The deformation measuring device according to claim 1, wherein: and the upper end surface and/or the lower end surface of each laser assembly is/are provided with an adsorption part.
3. The deformation measuring device according to claim 2, wherein: the adsorption part is a magnet, a sucker or a double-sided adhesive tape.
4. The deformation measuring device according to claim 1, wherein: the connecting piece is provided with a through hole for the other end of the strip-shaped belt body to pass through, and one side of the through hole is provided with a first clamping groove communicated with the through hole and matched with the strip-shaped belt body.
5. The deformation measuring device according to claim 4, wherein: the first clamping groove is opposite to the position where the strip-shaped belt body is fixedly connected with the connecting piece.
6. The deformation measuring device of claim 1, wherein the laser assembly comprises:
one end of the base is detachably connected with the strip-shaped belt body;
the power supply module is arranged inside the base;
the control switch is arranged on one side of the base and is electrically connected with the power supply module;
and the laser transmitter is fixed with the other end of the base and electrically connected with the control switch.
7. The deformation measuring device of claim 6, wherein: one end of the base is provided with a third clamping groove matched with the strip-shaped belt body, and the strip-shaped belt body can be clamped in the third clamping groove.
8. The deformation measuring device according to claim 1, wherein: the strip-shaped belt body is made of elastic materials.
9. A method of deformation measurement, comprising:
a strip-shaped belt body is annularly arranged on the outer wall of one end of the pipeline to be detected;
fixedly connecting a plurality of laser assemblies with the strip-shaped belt body respectively so as to form an annular structure, wherein the irradiation direction of each laser assembly is consistent with the extension direction of the other end of the pipeline to be detected;
and detecting along the irradiation direction of the laser assembly to detect whether a light spot exists on the pipeline to be detected, if so, judging that the pipeline to be detected is deformed, and if not, judging that the pipeline to be detected is not deformed.
10. The deformation measuring method according to claim 9, characterized in that: when the pipeline to be measured is judged to be deformed, measuring a measuring scale on the opposite side of the found light spot of the pipeline to be measured, enabling the measuring scale to move back and forth along the axial direction or the radial direction of the pipeline to be measured, reading the reading of the light spot corresponding to each point on the measuring scale and comparing the reading;
and the maximum value of the reading is the maximum deformation, and the position of the pipeline to be detected corresponding to the maximum value of the reading is the maximum deformation position.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013780A (en) * | 2020-08-18 | 2020-12-01 | 上海真兰仪表科技股份有限公司 | Portable detection device and detection method for stress deformation of gas pipeline or flowmeter |
| CN113030106A (en) * | 2021-03-05 | 2021-06-25 | 江苏塔帝思智能科技有限公司 | Pipeline detection equipment and detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013780A (en) * | 2020-08-18 | 2020-12-01 | 上海真兰仪表科技股份有限公司 | Portable detection device and detection method for stress deformation of gas pipeline or flowmeter |
| CN113030106A (en) * | 2021-03-05 | 2021-06-25 | 江苏塔帝思智能科技有限公司 | Pipeline detection equipment and detection method |
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