CN104101296A - Digital positioning detection method and system in large-scale structure precision assembly - Google Patents
Digital positioning detection method and system in large-scale structure precision assembly Download PDFInfo
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- CN104101296A CN104101296A CN201410299863.3A CN201410299863A CN104101296A CN 104101296 A CN104101296 A CN 104101296A CN 201410299863 A CN201410299863 A CN 201410299863A CN 104101296 A CN104101296 A CN 104101296A
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Abstract
The invention discloses a digital positioning detection method and system in large-scale structure precision assembly. The method mainly comprises the steps that a laser is used to track a ball target; the horizontal assembly reference data and the vertical assembly reference data of a large-scale structure to be detected are acquired, and a space three-dimensional coordinate system is established; and based on the established space three-dimensional coordinate system and according to dimensions preset by a drawing and the position accuracy, the coordinate value and the preset allowable error of the installation position of each part in the large-scale structure to be detected are calculated. According to the digital positioning detection method and system in large-scale structure precision assembly, which are provided by the invention, the defects of time consuming, labor consuming, difficult operation, poor detection result accuracy and the like in the prior art are overcome; and the method and the system have the advantages of labor saving, time saving, easy operation and accurate detection result.
Description
Technical field
The present invention relates to field of mechanical technique, particularly, relate to digital position finding and detection method and system in the accurate assembling of a kind of large-sized structural parts.
Background technology
At present, after large-sized structural parts assembling and positioning completes, need in conjunction with special process equipment, detect it by testing staff and whether meet production engineering specifications, if do not meet debugging again again, until meet technical requirement.Like this, take time and effort, and testing result may not be accurate.
In realizing process of the present invention, inventor finds in prior art at least to exist and takes time and effort, operation easier is large and the defect such as testing result poor accuracy.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose the digital position finding and detection method in the accurate assembling of a kind of large-sized structural parts, the advantage time saving and energy saving to realize, operation easier is little and testing result accuracy is good.
The second object of the present invention is, proposes the digital position detecting system in the accurate assembling of a kind of large-sized structural parts.
For achieving the above object, the technical solution used in the present invention is: the digital position finding and detection method in the accurate assembling of a kind of large-sized structural parts, mainly comprises:
A, use laser tracker ball target, gather the horizontal reference for assembling data of large-sized structural parts to be measured and longitudinal reference for assembling data, set up 3 d space coordinate system;
B, the system of the 3 d space coordinate based on setting up, according to the default size of drawing and positional precision, calculate coordinate figure and the default permissible error of each part installation site in large-scale component to be measured.
Further, described step b, specifically comprises:
In assembling process, first the part to be assembled in large-sized structural parts to be measured is placed near default theoretical rigging position, then laser tracker ball target is fixed on part to be assembled; By measurement, calculate, obtain the fixed position of laser tracker ball target and the mutual relationship of assembling theoretical position;
According to the real-time displayed value of the 3 d space coordinate of laser tracker, in the situation that meeting calculating gained permissible error, slowly mobile part to be assembled is to default theoretical position.
Further, this numeral position finding and detection method, optionally also comprises:
C, employing laser tracker, after all Assembly of the parts complete, whether size and the position detected respectively between each part meet default technical requirement:
For the part that does not meet technical requirement, debug, and then detect; So repeated multiple times until satisfied default technical indicator.
Simultaneously, another technical scheme that the present invention adopts is: the digital position detecting system in the accurate assembling of a kind of large-sized structural parts, mainly comprise and coordinate the laser tracker ball target of installing with large-sized structural parts to be measured, and the client being connected with described laser tracker ball target; Wherein:
Described laser tracker ball target, for gathering horizontal reference for assembling data and longitudinal reference for assembling data of large-sized structural parts to be measured, sets up 3 d space coordinate system; And/or,
Described laser tracker ball target, after completing at all Assembly of the parts, whether size and the position detected respectively between each part meet default technical requirement: for the part that does not meet technical requirement, debug, and then detect; So repeated multiple times until satisfied default technical indicator;
And,
Described client, the 3 d space coordinate system for based on setting up, according to the default size of drawing and positional precision, calculates coordinate figure and the default permissible error of each part installation site in large-scale component to be measured.
Further, described laser tracker ball target coordinates with large-sized structural parts to be measured while installing, the z axle of longitudinal reference for assembling in virtual coordinates system, horizontal reference for assembling x axle in virtual coordinates system, the y axle of back rest installed surface in virtual coordinates system; The target ball point being arranged on the left and right Connection Block of large-sized structural parts to be measured is the coordinate measurement point in practical set, detects in real time the coordinate figure of target ball and just can determine that whether the position of assembly parts is qualified.
Digital position finding and detection method and system in the accurate assembling of large-sized structural parts of various embodiments of the present invention, because the method mainly comprises: use laser tracker ball target, gather horizontal reference for assembling data and longitudinal reference for assembling data of large-sized structural parts to be measured, set up 3 d space coordinate system; 3 d space coordinate system based on setting up, according to the default size of drawing and positional precision, calculates coordinate figure and the default permissible error of each part installation site in large-scale component to be measured; Thereby can overcome in prior art take time and effort, operation easier is large and the defect of testing result poor accuracy, the advantage time saving and energy saving to realize, operation easier is little and testing result accuracy is good.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is typical large scale structure assembly parts sketch;
Fig. 2 is digital position finding and detection method and the design of the model simplification in system in the accurate assembling of large-sized structural parts of the present invention and detects schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
In order to solve the location survey problem in the accurate assembling of large-sized structural parts shown in Fig. 1, according to the embodiment of the present invention, as shown in Figure 2, digital position finding and detection method and system in the accurate assembling of a kind of large-sized structural parts are provided.
embodiment of the method
Digital position finding and detection method in the accurate assembling of large-sized structural parts of the present embodiment, mainly comprises:
A, use laser tracker ball target, gather the horizontal reference for assembling data of large-sized structural parts to be measured and longitudinal reference for assembling data, set up 3 d space coordinate system;
B, the system of the 3 d space coordinate based on setting up, according to the default size of drawing and positional precision, calculate coordinate figure and the default permissible error of each part installation site in large-scale component to be measured; Step b, specifically comprises:
In assembling process, first the part to be assembled in large-sized structural parts to be measured is placed near default theoretical rigging position, then laser tracker ball target is fixed on part to be assembled; By measurement, calculate, obtain the fixed position of laser tracker ball target and the mutual relationship of assembling theoretical position;
According to the real-time displayed value of the 3 d space coordinate of laser tracker, in the situation that meeting calculating gained permissible error, slowly mobile part to be assembled is to default theoretical position.
Digital position finding and detection method in the accurate assembling of large-sized structural parts of above-described embodiment, optionally also comprises:
C, employing laser tracker, after all Assembly of the parts complete, whether size and the position detected respectively between each part meet default technical requirement:
For the part that does not meet technical requirement, debug, and then detect; So repeated multiple times until satisfied default technical indicator.
system embodiment
Digital position detecting system in the accurate assembling of large-sized structural parts of the present embodiment, mainly comprises and coordinates the laser tracker ball target of installing with large-sized structural parts to be measured, and the client being connected with laser tracker ball target; Wherein:
Laser tracker ball target, for gathering horizontal reference for assembling data and longitudinal reference for assembling data of large-sized structural parts to be measured, sets up 3 d space coordinate system; And/or,
Laser tracker ball target, after completing at all Assembly of the parts, whether size and the position detected respectively between each part meet default technical requirement: for the part that does not meet technical requirement, debug, and then detect; So repeated multiple times until satisfied default technical indicator;
And,
Client, the 3 d space coordinate system for based on setting up, according to the default size of drawing and positional precision, calculates coordinate figure and the default permissible error of each part installation site in large-scale component to be measured.
In the above-described embodiments, laser tracker ball target coordinates with large-sized structural parts to be measured while installing, the z axle of longitudinal reference for assembling in virtual coordinates system, horizontal reference for assembling x axle in virtual coordinates system, the y axle of back rest installed surface in virtual coordinates system; The target ball point being arranged on the left and right Connection Block of large-sized structural parts to be measured is the coordinate measurement point in practical set, detects in real time the coordinate figure of target ball and just can determine that whether the position of assembly parts is qualified.
Digital position finding and detection method and system in the accurate assembling of large-sized structural parts of above-described embodiment, adopt brand-new digital position finding and detection method.Application laser tracker ball target gathers the horizontal and vertical reference for assembling data of this large-sized structural parts, sets up 3 d space coordinate system, calculates in advance coordinate figure and the permissible error of each part installation site according to the relevant size of drawing, positional precision.In assembling process, first part to be installed is placed near its theoretical rigging position, then laser tracker ball target is fixed on part to be assembled, ball target fixed position can calculate by measurement with the mutual relationship of assembling theoretical position.Now, according to the real-time displayed value of laser tracker 3 d space coordinate, only need slowly mobile part to be assembled to its theoretical position, meet its permissible error.This process whole process realizes digitizing assembling and online direct-detection, has not only greatly improved efficiency of assembling, and has detected data accurately and reliably, has realized the general digital direct detecting method of " institute sees to be gained ", does not need to design extra special process and equips.For multiple batches of, dissimilar large-sized structural parts assembling and positioning, detect and be widely used.
In the example of Fig. 1, can carry out as the modelling of Fig. 2 and simplify the numeral location of realizing in assembling process and detect.ACS1 is the virtual coordinates system in assembling, the z value 12000 of longitudinal reference for assembling in coordinate system, laterally reference for assembling x value in coordinate system is 0, the value y of back rest installed surface in coordinate system is-100,2 target ball points on Fig. 2 middle left and right Connection Block are the coordinate measurement point in practical set, detect in real time the coordinate figure of target ball and just can determine that whether the position of assembly parts is qualified.
Digital position finding and detection method and system in the accurate assembling of large-sized structural parts of above-described embodiment, at least have the following advantages:
(1) realize the online Digital Detecting in Product Assembly process, improved assembling and accuracy of detection;
(2) the development and design that has reduced large-scale special-purpose complicated technology equipment, has reduced production cost;
(3) realized the direct measurement of some geometric sense, it is qualified by indirect measurements and calculations, to determine whether again;
(4) realize fast detecting location, improved labour productivity.
In the prior art, after large piece assembling and positioning completes, by testing staff, in conjunction with special process equipment, detect it and whether meet production engineering specifications, if do not meet debugging again again, until meet technical requirement.And large-scale precision of the present invention assembles digital position finding and detection method, participated in assembling overall process, detected and assembled, assembled and detected data acquisition and complete, therefore there is novelty and uniqueness, have essential distinction with the assembling and positioning detection of traditional sense.
Digital position finding and detection method and system in the accurate assembling of large-sized structural parts of above-described embodiment, can also adopt laser tracker to detect to realize by traditional assembling and positioning, after all Assembly of the parts complete, whether size and the position detected respectively between each part meet technical requirement again, for the part that does not meet technical requirement, debug, and then detect, so repeated multiple times until meet its technical conditions.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the digital position finding and detection method in the accurate assembling of large-sized structural parts, is characterized in that, mainly comprises:
A, use laser tracker ball target, gather the horizontal reference for assembling data of large-sized structural parts to be measured and longitudinal reference for assembling data, set up 3 d space coordinate system;
B, the system of the 3 d space coordinate based on setting up, according to the default size of drawing and positional precision, calculate coordinate figure and the default permissible error of each part installation site in large-scale component to be measured.
2. the digital position finding and detection method in the accurate assembling of large-sized structural parts according to claim 1, is characterized in that, described step b, specifically comprises:
In assembling process, first the part to be assembled in large-sized structural parts to be measured is placed near default theoretical rigging position, then laser tracker ball target is fixed on part to be assembled; By measurement, calculate, obtain the fixed position of laser tracker ball target and the mutual relationship of assembling theoretical position;
According to the real-time displayed value of the 3 d space coordinate of laser tracker, in the situation that meeting calculating gained permissible error, slowly mobile part to be assembled is to default theoretical position.
3. the digital position finding and detection method in the accurate assembling of large-sized structural parts according to claim 1 and 2, is characterized in that, this numeral position finding and detection method, optionally also comprises:
C, employing laser tracker, after all Assembly of the parts complete, whether size and the position detected respectively between each part meet default technical requirement:
For the part that does not meet technical requirement, debug, and then detect; So repeated multiple times until satisfied default technical indicator.
4. the digital position detecting system in the accurate assembling of large-sized structural parts, is characterized in that, mainly comprise and coordinate the laser tracker ball target of installing with large-sized structural parts to be measured, and the client being connected with described laser tracker ball target; Wherein:
Described laser tracker ball target, for gathering horizontal reference for assembling data and longitudinal reference for assembling data of large-sized structural parts to be measured, sets up 3 d space coordinate system; And/or,
Described laser tracker ball target, after completing at all Assembly of the parts, whether size and the position detected respectively between each part meet default technical requirement: for the part that does not meet technical requirement, debug, and then detect; So repeated multiple times until satisfied default technical indicator;
And,
Described client, the 3 d space coordinate system for based on setting up, according to the default size of drawing and positional precision, calculates coordinate figure and the default permissible error of each part installation site in large-scale component to be measured.
5. the digital position detecting system in the accurate assembling of large-sized structural parts according to claim 4, it is characterized in that, described laser tracker ball target coordinates with large-sized structural parts to be measured while installing, the z axle of longitudinal reference for assembling in virtual coordinates system, horizontal reference for assembling x axle in virtual coordinates system, the y axle of back rest installed surface in virtual coordinates system; The target ball point being arranged on the left and right Connection Block of large-sized structural parts to be measured is the coordinate measurement point in practical set, detects in real time the coordinate figure of target ball and just can determine that whether the position of assembly parts is qualified.
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| CN107588725A (en) * | 2017-10-27 | 2018-01-16 | 宝鸡欧亚化工设备制造厂 | The processing of titanium alloy gyroplane frame keel and detection method |
| CN107727485A (en) * | 2016-08-12 | 2018-02-23 | 魁尼斯有限公司 | Method and apparatus for hardness test |
| CN107826267A (en) * | 2017-10-27 | 2018-03-23 | 宝鸡欧亚化工设备制造厂 | The processing of titanium alloy gyroplane driving cabin support frame and detection method |
| CN109374040A (en) * | 2018-11-09 | 2019-02-22 | 苏州穿山甲机器人股份有限公司 | Large-sized structural parts detection device and method |
| CN110253168A (en) * | 2019-07-05 | 2019-09-20 | 哈尔滨电机厂有限责任公司 | A kind of process of steam turbine generator dovetail type positioning bar centering |
| CN110553833A (en) * | 2019-10-22 | 2019-12-10 | 北京无线电测量研究所 | Structural member deformation simulation device and method |
| CN112197696A (en) * | 2020-08-24 | 2021-01-08 | 北京卫星制造厂有限公司 | Load interface hole making template adjusting and testing method based on integral optimization algorithm |
| CN113375551A (en) * | 2021-05-11 | 2021-09-10 | 首钢京唐钢铁联合有限责任公司 | Cold rolling circle shear precision positioning method |
| CN113664523A (en) * | 2021-08-16 | 2021-11-19 | 中国科学院近代物理研究所 | Assembly method of multistage differential vacuum system |
| CN114104147A (en) * | 2021-10-26 | 2022-03-01 | 中车眉山车辆有限公司 | Assembly control method, device, system and storage medium |
| CN114178556A (en) * | 2021-12-15 | 2022-03-15 | 中建钢构工程有限公司 | Synchronous boring method for multi-hole group arm frame structural part |
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Cited By (16)
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| CN107727485A (en) * | 2016-08-12 | 2018-02-23 | 魁尼斯有限公司 | Method and apparatus for hardness test |
| CN107272009B (en) * | 2017-05-09 | 2019-08-02 | 北京新立机械有限责任公司 | A kind of laser location surveying system and method |
| CN107272009A (en) * | 2017-05-09 | 2017-10-20 | 北京新立机械有限责任公司 | A kind of laser location surveying system and method |
| CN107588725A (en) * | 2017-10-27 | 2018-01-16 | 宝鸡欧亚化工设备制造厂 | The processing of titanium alloy gyroplane frame keel and detection method |
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| CN110253168A (en) * | 2019-07-05 | 2019-09-20 | 哈尔滨电机厂有限责任公司 | A kind of process of steam turbine generator dovetail type positioning bar centering |
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| CN110553833B (en) * | 2019-10-22 | 2021-08-03 | 北京无线电测量研究所 | Structural member deformation simulation device and method |
| CN110553833A (en) * | 2019-10-22 | 2019-12-10 | 北京无线电测量研究所 | Structural member deformation simulation device and method |
| CN112197696A (en) * | 2020-08-24 | 2021-01-08 | 北京卫星制造厂有限公司 | Load interface hole making template adjusting and testing method based on integral optimization algorithm |
| CN113375551A (en) * | 2021-05-11 | 2021-09-10 | 首钢京唐钢铁联合有限责任公司 | Cold rolling circle shear precision positioning method |
| CN113664523A (en) * | 2021-08-16 | 2021-11-19 | 中国科学院近代物理研究所 | Assembly method of multistage differential vacuum system |
| CN113664523B (en) * | 2021-08-16 | 2022-05-31 | 中国科学院近代物理研究所 | Assembly method of multistage differential vacuum system |
| CN114104147A (en) * | 2021-10-26 | 2022-03-01 | 中车眉山车辆有限公司 | Assembly control method, device, system and storage medium |
| CN114178556A (en) * | 2021-12-15 | 2022-03-15 | 中建钢构工程有限公司 | Synchronous boring method for multi-hole group arm frame structural part |
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