CN111780711A - Metal structure welding deformation measuring system - Google Patents
Metal structure welding deformation measuring system Download PDFInfo
- Publication number
- CN111780711A CN111780711A CN202010714193.2A CN202010714193A CN111780711A CN 111780711 A CN111780711 A CN 111780711A CN 202010714193 A CN202010714193 A CN 202010714193A CN 111780711 A CN111780711 A CN 111780711A
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- metal structure
- measuring
- assembly
- welding deformation
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- 239000002184 metal Substances 0.000 title claims abstract description 53
- 238000003466 welding Methods 0.000 title claims abstract description 40
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to a metal structure welding deformation measuring system which comprises a fixing assembly (1), a guide assembly (2), a moving assembly (3), a measuring assembly (4) and a collecting assembly (5), wherein the fixing assembly (1) is fixed on a reference surface of a metal structure to be measured, the guide assembly (2) is installed on the fixing assembly (1), the measuring assembly (4) is movably arranged on the guide assembly (2) through the moving assembly (3), the measuring assembly (4) comprises at least one first distance measuring sensor (41) facing the reference surface of the metal structure and at least one second distance measuring sensor (42) facing the surface of a welding piece (6) in the metal structure, and the measuring assembly (4) is connected with the collecting assembly (5). Compared with the prior art, the system can ensure the measurement quality and improve the measurement efficiency.
Description
Technical Field
The invention relates to the technical field of equipment detection, in particular to a metal structure welding deformation measuring system.
Background
The welding deformation of the small-size metal structure can be efficiently completed by using a three-coordinate measuring instrument in a laboratory, and for the metal structure with larger size and needing field measurement, the welding deformation of the metal structure needs to be measured manually by using a straight steel ruler, a dial indicator and the like by technical personnel, and the measuring mode has the defects of high working strength, low efficiency, human errors, low measured data quality and the like. Therefore, it is necessary to design a welding deformation measuring device to realize high-quality and high-efficiency automatic measurement of the welding deformation of the metal structure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a metal structure welding deformation measuring system which can realize high-quality and high-efficiency measurement.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a metal structure welding deformation measurement system, this system includes fixed subassembly, direction subassembly, motion subassembly, measuring unit and collection subassembly, fixed subassembly fix on the reference surface of the metal structure that awaits measuring, the direction subassembly install on fixed subassembly, measuring unit pass through motion subassembly movable setting on the direction subassembly, measuring unit include at least one just to the first range finding sensor of metal structure reference surface and at least one towards the second range finding sensor on the welding surface in the metal structure, measuring unit connect collection subassembly.
Preferably, the fixing assembly comprises a fixing base and a foot, the foot is installed on the fixing base and fixed on a reference surface of the metal structure to be measured, and the guiding assembly is installed on the fixing base.
Preferably, the footing is a magnetic footing, and the magnetic footing is adsorbed on the reference surface of the metal structure to be measured through magnetic force.
Preferably, the feet are arranged on a plurality of fixed bases and are uniformly distributed on the fixed bases, so that the planes of the fixed bases are parallel to the reference plane of the metal structure.
Preferably, the guide assembly comprises a guide frame and a fixing frame, the guide frame is fixed on the fixing assembly through the fixing frame, the central axis of the guide frame along the length direction is perpendicular to the metal structure datum plane, and the measuring assembly is arranged on the guide frame through the moving assembly and can freely move along the length direction of the guide frame.
Preferably, the movement assembly comprises a lead screw and a servo motor, the lead screw is fixed on the guide frame along the length direction of the guide frame, the servo motor is connected with a lead screw rod of the lead screw, and the measurement assembly is fixed on a lead screw nut of the lead screw.
Preferably, the first distance measuring sensor is a laser distance measuring sensor.
Preferably, the second distance measuring sensor is a laser distance measuring sensor.
Preferably, the acquisition assembly comprises a microprocessor, and the measurement assembly transmits the measurement data to the microprocessor.
Preferably, the collection assembly further comprises a memory, and the memory is connected with the microprocessor.
Compared with the prior art, the invention has the following advantages:
the measuring component can realize automatic measurement of welding deformation of metal structures with different size specifications and precision requirements, and the measurement principle is as follows: the measuring assembly moves along the guide assembly, the first distance measuring sensor is over against the metal structure datum plane, the distance between the measuring assembly and the metal structure datum plane is used as a distance datum, the second distance measuring sensor measures the distance between the measuring assembly and the surface of a welding part of the metal structure in the moving process, whether welding deformation occurs or not is judged through the change of the distance, the measuring quality is guaranteed in the process, and the measuring efficiency is improved.
Drawings
FIG. 1 is a front view of a metal structure weld distortion measurement system of the present invention;
FIG. 2 is a right side view of the metal structure weld distortion measurement system of the present invention;
FIG. 3 is a top view of a metal structure weld distortion measurement system of the present invention;
FIG. 4 is a schematic diagram of a system for measuring welding deformation of a metal structure according to the present invention.
In the figure, 1 is a fixed component, 2 is a guide component, 3 is a moving component, 4 is a measuring component, 5 is a collecting component, 6 is a welding component, 11 is a fixed base, 12 is a footing, 41 is a first distance measuring sensor, 42 is a second distance measuring sensor
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
As shown in fig. 1 to 3, a metal structure welding deformation measuring system comprises a fixed component 1, a guiding component 2, a moving component 3, a measuring component 4 and an acquisition component 5, wherein the fixed component 1 is fixed on a reference surface of a metal structure to be measured, the guiding component 2 is installed on the fixed component 1, the measuring component 4 is movably arranged on the guiding component 2 through the moving component 3, the measuring component 4 comprises at least one first distance measuring sensor 41 facing the reference surface of the metal structure and at least one second distance measuring sensor 42 facing the surface of a welding part 6 in the metal structure, the measuring component 4 is connected with the acquisition component 5, wherein the first and second ranging sensors 41 and 42 are laser ranging sensors, of course, other forms of distance measuring sensors may be used, such as infrared distance measuring sensors, ultrasonic distance measuring sensors, etc.
Specifically, the fixing assembly 1 includes a fixing base 11 and a foot 12, the foot 12 is installed on the fixing base 11 and fixed on a reference surface of the metal structure to be measured, and the guiding assembly 2 is installed on the fixing base 11. Footing 12 is the magnetism footing, and the magnetism footing passes through magnetic force to be adsorbed on the metallic structure's that awaits measuring reference surface, and footing 12 sets up on a plurality of and evenly distributed fixed baseplate 11 for 11 planes of fixed baseplate are parallel with the metallic structure reference surface, and fixed baseplate 11 adopts the triangle form in this embodiment, thereby sets up 3 three angle departments that fixed baseplate 11 was located respectively to footing 12, makes fixed baseplate 11 steadily fix on the metallic structure's that awaits measuring reference surface.
The moving assembly 3 comprises a lead screw and a servo motor, the lead screw is fixed on the guide frame along the length direction of the guide frame, the servo motor is connected with a lead screw rod of the lead screw, and the measuring assembly 4 is fixed on a lead screw nut of the lead screw.
The acquisition assembly 5 comprises a microprocessor, the measurement assembly 4 transmits measurement data to the microprocessor, the acquisition assembly 5 further comprises a memory, the memory is connected with the microprocessor and used for storing historical data, and the microprocessor analyzes and judges whether welding deformation occurs or not according to the distance data measured by the measurement assembly 4.
As shown in fig. 4, a specific manner of measuring welding deformation by using the system for measuring welding deformation of a metal structure of the present invention is shown, in this example, the metal structure to be measured is a T-shaped structure, the plane B in the figure is a reference plane of the metal structure, the welding part 6 in the metal structure is welded perpendicular to the reference plane, the plane a in the figure is a surface of the welding part 6 of the metal structure, when detecting, the T-shaped metal structure is fixed on a horizontal plane, so that the reference plane of the metal structure is parallel to the horizontal plane, the measuring component 4 moves along a vertical direction, i.e., a Z-axis direction in the figure, and during the movement of the measuring component 4, the measurement data Z of the first distance measuring1，z2… … and measurement data x of the second distance measuring sensor 421，x2… …, and is represented by (x)1，z1)，(x2，z2) … …, and is provided with a data interface such as USB and the like,and the transmission of measurement data is convenient. In this process, if the measuring assembly 4 moves at a constant speed, z1，z2… … is uniformly changed, if the welding part 6 is not deformed, x is1，x2… … should remain unchanged, as shown in FIG. 4 where the weld distortion occurs when the weldment 6 moves, in the dashed line position, the measured x is1，x2… …, the change may be based on x1，x2The rate of change of … … yields the rate of deformation of the weldment 6.
The above is only one embodiment of the present invention, and in practical application, the present invention is not limited to the above embodiment, and the main idea is to provide a reference surface and a corresponding first distance measuring sensor 41, the measuring assembly 4 can move along the central axis direction of the reference surface, so that the distance measured by the first distance measuring sensor 41 can provide a reference, and further provide a second distance measuring sensor 42 facing the surface of the welding member 6, and the welding deformation can be judged by the distance change measured by the second distance measuring sensor 42, so that when the welding member 6 has a certain inclination angle, the welding deformation can also be judged by the self-inclination rate and the distance change rate measured by the second distance measuring sensor 42, that is, the system of the present invention is not limited to the T-shaped structure shown in fig. 4 (the welding member 6 is perpendicular to the reference surface), the system of the present invention is equally applicable when the weldment 6 itself has a certain angle of inclination.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The utility model provides a metal structure welding deformation measurement system, characterized in that, this system includes fixed subassembly (1), direction subassembly (2), motion subassembly (3), measuring component (4) and collection subassembly (5), fixed subassembly (1) fix on the metallic structure's that awaits measuring reference surface, direction subassembly (2) install on fixed subassembly (1), measuring component (4) through motion subassembly (3) movable setting on direction subassembly (2), measuring component (4) include at least one just to first range sensor (41) of metallic structure reference surface and at least one towards second range sensor (42) on metallic structure's welding piece (6) surface, measuring component (4) connect collection subassembly (5).
2. A metal structure welding deformation measuring system according to claim 1, characterized in that said fixing assembly (1) comprises a fixing base (11) and a foot (12), said foot (12) is mounted on the fixing base (11) and fixed on the reference surface of the metal structure to be measured, and said guiding assembly (2) is mounted on the fixing base (11).
3. A metal structure welding deformation measuring system according to claim 2, characterized in that said foot (12) is a magnetic foot (12), and said magnetic foot (12) is attached to the reference surface of the metal structure to be measured by magnetic force.
4. A metal structure welding deformation measuring system according to claim 2, characterized in that, the feet (12) are arranged on a plurality of fixed bases (11) and are evenly distributed, so that the planes of the fixed bases (11) are parallel to the reference plane of the metal structure.
5. A metal structure welding deformation measuring system according to claim 1, characterized in that, the guiding component (2) comprises a guiding frame and a fixing frame, the guiding frame is fixed on the fixing component (1) through the fixing frame, the guiding frame is perpendicular to the metal structure datum plane along the central axis of the length direction, and the measuring component (4) is arranged on the guiding frame through the moving component (3) and can move freely along the length direction of the guiding frame.
6. A metal structure welding deformation measuring system according to claim 5, characterized in that the moving assembly (3) comprises a lead screw and a servo motor, the lead screw is fixed on the guide frame along the length direction of the guide frame, the servo motor is connected with a lead screw rod of the lead screw, and the measuring assembly (4) is fixed on a lead screw nut of the lead screw.
7. A system for measuring the welding deformation of a metal structure according to claim 1, characterized in that said first distance measuring sensor (41) is a laser distance measuring sensor.
8. A system as claimed in claim 1, wherein said second distance measuring sensor (42) is a laser distance measuring sensor.
9. A system for measuring the welding deformation of a metal structure according to claim 1, characterized in that said acquisition assembly (5) comprises a microprocessor, said measurement assembly (4) transmitting the measurement data to the microprocessor.
10. A system for measuring the welding deformation of a metal structure according to claim 9, characterized in that said acquisition assembly (5) further comprises a memory, said memory being connected to said microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010714193.2A CN111780711B (en) | 2020-07-23 | 2020-07-23 | Metal structure welding deformation measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010714193.2A CN111780711B (en) | 2020-07-23 | 2020-07-23 | Metal structure welding deformation measurement system |
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| Publication Number | Publication Date |
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| CN111780711A true CN111780711A (en) | 2020-10-16 |
| CN111780711B CN111780711B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010714193.2A Active CN111780711B (en) | 2020-07-23 | 2020-07-23 | Metal structure welding deformation measurement system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002107138A (en) * | 2000-09-29 | 2002-04-10 | Central Japan Railway Co | System for measuring amount of rail movement |
| CN105865400A (en) * | 2016-03-31 | 2016-08-17 | 河海大学 | Smart test system for monitoring micro-deformation of soil body, testing method and evaluating method |
| CN108917696A (en) * | 2018-08-21 | 2018-11-30 | 中国铁路上海局集团有限公司南京桥工段 | A kind of beam rail vertical survey system |
| CN209043295U (en) * | 2018-10-19 | 2019-06-28 | 中国水利水电第四工程局有限公司 | Deformation detecting device is used in a kind of maintenance of rail track |
| CN212512984U (en) * | 2020-07-23 | 2021-02-09 | 上海市特种设备监督检验技术研究院 | Metal structure welding deformation measuring system |
-
2020
- 2020-07-23 CN CN202010714193.2A patent/CN111780711B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002107138A (en) * | 2000-09-29 | 2002-04-10 | Central Japan Railway Co | System for measuring amount of rail movement |
| CN105865400A (en) * | 2016-03-31 | 2016-08-17 | 河海大学 | Smart test system for monitoring micro-deformation of soil body, testing method and evaluating method |
| CN108917696A (en) * | 2018-08-21 | 2018-11-30 | 中国铁路上海局集团有限公司南京桥工段 | A kind of beam rail vertical survey system |
| CN209043295U (en) * | 2018-10-19 | 2019-06-28 | 中国水利水电第四工程局有限公司 | Deformation detecting device is used in a kind of maintenance of rail track |
| CN212512984U (en) * | 2020-07-23 | 2021-02-09 | 上海市特种设备监督检验技术研究院 | Metal structure welding deformation measuring system |
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| Publication number | Publication date |
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| CN111780711B (en) | 2024-07-09 |
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