CN104197904A - Quick positioning and marking method for steel structure frame of railway passenger car body - Google Patents
Quick positioning and marking method for steel structure frame of railway passenger car body Download PDFInfo
- Publication number
- CN104197904A CN104197904A CN201410502513.2A CN201410502513A CN104197904A CN 104197904 A CN104197904 A CN 104197904A CN 201410502513 A CN201410502513 A CN 201410502513A CN 104197904 A CN104197904 A CN 104197904A
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- car body
- steel structure
- partition plate
- body framework
- marking method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
Abstract
The invention provides a quick positioning and marking method for a steel structure frame of a railway passenger car body. The method comprises the following steps: 1, selecting a vertical surface of a steel structure frame of a car body as a reference plane; 2, selecting at least three positioning points which are not collinear and equal in distances to the horizontal straight line of the reference plane respectively in the internal space of the steel structure frame of the car body; 3, using a ray of a laser demarcation device to surround the inner part of the steel structure frame of the car body, adjusting the laser demarcation device to reach the ray projected by the laser demarcation device and simultaneously pass through at least three positioning points on the positioning auxiliary surface of a partition plate; 4, determining the lineation displayed at the articulated part of the longitudinal transverse section of the car body steel structure frame determined by the ray projected by the laser demarcation device and the top of the car body steel structure frame. According to the quick positioning and marking method, the fixed installation position between the top of the partition plate and the internal space roof of the car body steel structure frame can be quickly and accurately determined, the positioning accuracy and the positioning measurement efficiency of the partition plate are improved, and the improvement cost of the passenger car is reduced.
Description
Technical field
The present invention relates to the localization method of railroad coach steel structure of car body framework, especially relate to a kind of railroad coach steel structure of car body framework quick positioning marking method.
Background technology
Along with the raising of Passenger Train Speed Increase and passenger vehicle class demand, current part railway operation passenger bus is progressively eliminated just stage by stage.Each rolling stock section and local railway companies maximize and reduce equipment purchase funds for realizing passenger vehicle utilization, all scrap the time limit and vehicle condition superseded passenger vehicle enforcement transformation preferably to not reaching, and after transformation, can be used as relief car or outdoor life car.Passenger vehicle transformation is mainly to ensure under the prerequisite of complete vehicle structure balance and security, structure, space to car body inside redesign according to the actual requirements, layout again, therefore, car body inner structure is mainly that the positioning accurate parasexuality of partition plate just seems very important.
When passenger vehicle is implemented to transformation, must carry out location survey accurately to the partition plate being fixedly connected with passenger car body steel structure frame.Existing measuring method is taking tape measure hand dipping as main, and this ratio of ground survey for the relatively low position of passenger car body steel structure frame is easier to.But the location survey for the relatively high position of steel structure of car body framework is very inconvenient, measure inefficiency, positioning precision is also poor.Analyze its reason, mainly contain following two aspects:
The one, because the horizontal span of passenger car body is larger, also may there is immovable irregular slalom thing or other irregular structure in car body inside, while causing utilizing tape measure manual measurement, need at least one support personnel to arrange in pairs or groups and could implement to measure, thereby while having wasted more multiplex (MUX), cause measuring inefficiency.
The 2nd, because the vertical span of passenger car body is also larger, the high about 3100mm in the top of car body inside, in the time of the location dimension of measuring in car body top horizontal direction, vertical direction, manual measurement is very inconvenient, and measuring error also inevitably strengthens thereupon; In addition, the precision of tape measure self is poor, and the positioning precision must also cause tape measure time is poor.
Owing to lacking the method that effectively accurately measures that steel structure of car body framework longitudinal cutting face is positioned, cause the partition plate that install car body inner space easily to occur larger deviations, and then cause car body upholstery and equipment installation to occur mismatch problem, severe patient has not only had a strong impact on the upholstery of car load and the installation of equipment, even cause and greatly do over again or change transformation again after original design, not only reduce the product quality of passenger vehicle car load transformation, and increased transformation production cost.
Summary of the invention
The technical problem to be solved in the present invention is: the problem existing for prior art, a kind of railroad coach steel structure of car body framework quick positioning marking method is provided, in guaranteeing the positioning accurate accuracy of steel structure of car body framework longitudinal cutting face, accurately measure and concrete anchor point that the roof of definite partition plate and steel structure of car body framework inside is located by connecting, improve positioning accurate accuracy and the location survey efficiency of the partition plate of steel structure of car body framework inside, reduce passenger vehicle improvement cost.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of railroad coach steel structure of car body framework quick positioning marking method, comprises the following steps:
The 1st step, chooses the vertical guide of steel structure of car body framework as reference field;
The 2nd step, in steel structure of car body framework inner space, choose at least 3 anchor points of partition plate to be installed, described anchor point is conllinear and all equal to the horizontal linear distance of reference field respectively not, the location auxiliary surface by the determined plane of described anchor point as partition plate to be installed;
The 3rd step, use laser level ray around steel structure of car body framework inside, adjust laser level until its ray projecting passes through at least 3 anchor points on the location auxiliary surface of partition plate simultaneously, after determining the longitudinal cutting face of steel structure of car body framework at place, partition plate boundary line, then laser level is fixed;
The 4th step, the longitudinal cutting face of the determined steel structure of car body framework of ray that laser level projects and the handing-over of steel structure of car body frame roof, the line that described junction shows is final definite installation location place, partition plate to be installed top.
Preferably, repeat the 1st step to the 4 steps of described quick positioning marking method, in steel structure of car body framework inner space, determine described in several that division board to be installed is at the installation location place of roof.
Preferably, in described the 1st step, choose the outside end wall metope of an end of car body or the outside end wall metope of the car body "A" end of car vertical guide as steel structure of car body framework.
Preferably, in described the 2nd step, selected anchor point lays respectively on the ground and both walls of steel structure of car body framework inner space.
Preferably, in described the 3rd step, the distance between the location auxiliary surface of described laser level and described partition plate is no more than 1.5 meters.
Preferably, at described partition plate to be installed top, final definite installation location place is fixedly connected with partition plate holder, and described partition plate top and steel structure of car body frame roof are installed fixing by partition plate holder.
Compared with prior art, the invention has the beneficial effects as follows: be measurement and positioning instrument owing to adopting laser level, utilize 3 definite plane principles, can determine quickly and accurately the fixed installation position between partition plate top and steel structure of car body framework inner space roof by one man operation, reduce the necessary support personnel of traditional measurement mode, be conducive to save human cost; And, determining behind the fixed installation position at first partition plate top, repeat above-mentioned positioning marking method, the rest may be inferred, just can be fast, determine accurately the fixed installation position of the partition plate in other regions of steel structure of car body framework inner space, positioning accurate accuracy and the location survey efficiency of partition plate are greatly improved, avoid passenger vehicle transformation to do over again because the key technological transformation that gross differences causes appears in the regional boundary line setting of steel structure of car body framework inside, be conducive to reduce passenger vehicle improvement cost.
Brief description of the drawings
Fig. 1 is the front view of railroad coach steel structure of car body framework.
Fig. 2 be in Fig. 1 M-M to cut-open view.
Mark in figure: end of 1-car body, 2-car body "A" end of car, 3-partition plate, 4-partition plate holder, 5-steel structure of car body framework.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In the time that railroad coach is implemented to transformation, as shown in Figure 1 and Figure 2, the interior of steel structure of car body framework 5 is conventionally all taking partition plate 3 as regional boundary line, described partition plate 3 is generally made up of square plate and round end plate two parts, the two side ends of the square plate part of partition plate 3 is connected and fixed by partition plate holder 4 with the inner two side of steel structure of car body framework 5 respectively, and the round end plate portion of partition plate 3 is connected and fixed by partition plate holder 4 with the roof of steel structure of car body framework 5 inside.For after making partition plate 3 fixing with the longitudinal cutting face coincidence of steel structure of car body framework 5 or parallel, normally taking the outside end wall metope of one of car body end 1 as reference field, require progressively to measure one by one by spatial framework to car body "A" end of car 2 directions according to the layout dimension of car inner partition plate 3, each spatial framework is all taking the position of partition plate 3 as boundary, and holder 4 welds of per pass partition plate 3 are the boundary line in this general layout region.Because the outside end wall metope of an end 1 of car body is fixed pan, can ensure the unification of measurement standard using it as reference field, to improve precision and the reliability of measurement; In addition, progressively measure also coincidence measurement work habit more to car body "A" end of car 2 directions from end 1 of car body.In order to accurately measure and to determine this partition plate 3 and the concrete anchor point that the roof of steel structure of car body framework 5 inside is located by connecting, the invention provides a kind of railroad coach steel structure of car body framework quick positioning marking method, its concrete operation method is as follows:
First, still taking the outside end wall metope of one of car body end 1 as reference field, first utilize tape measure or other air line distance survey instrument in the ground of steel structure of car body framework 5 inner spaces and both walls, to determine respectively the A on partition plate 3 mounting edge interfaces to be installed, B, C 3 points, the A that this chooses, B, the position that C is 3 must be convenient to measure, its measuring accuracy must easily ensure, normally choose in steel structure of car body framework 5 inner spaces position relatively low, measure equidistant three positions, place of horizontal linear accessible and respectively and between reference field as selected A, B, C 3 points, by described A, B, 3 determined planes of C are as the location auxiliary surface of partition plate to be installed 3.
Then, laser level is placed in before distance A, the determined auxiliary surface of B, C and is no more than the position of 1.5 meters, use laser level ray around inner one week of steel structure of car body framework 5, if the ray that laser level projects passes through A, B, C 3 points simultaneously, this projection plane that comprises 3 of A, B, C is the longitudinal cutting face of the steel structure of car body framework 5 at determined partition plate 3 places, boundary line.If the ray that laser level projects does not pass through A, B, C 3 points simultaneously, should make its ray projecting pass through A, B, C 3 points by adjusting laser level itself simultaneously.This projection plane that comprises 3 of A, B, C is the longitudinal cutting face of the steel structure of car body framework 5 at determined partition plate 3 places, boundary line.
After the longitudinal cutting face of steel structure of car body framework 5 of having determined partition plate 3 places, boundary line, laser level is fixed, the 5 tops handing-over of the longitudinal cutting face of the determined steel structure of car body framework 5 of ray that laser level projects and steel structure of car body framework, in junction, shown line is the installed position for the partition plate holder 4 of the round end plate portion at stationary partition plate 3 tops.Partition plate holder 4 is weldingly fixed on to above-mentioned steel structure of car body framework 5 top line place, after partition plate 3 and 4 installations of partition plate holder are fixing, whole partition plate 3 is parallel with the longitudinal cutting face of steel structure of car body framework 5, thereby has ensured well the spatial vertical degree after partition plate 3 is installed.
Determining behind the fixed installation position at first partition plate 3 top, repeat above-mentioned positioning marking method, the rest may be inferred, by means of the intrinsic measurement and positioning high accurancy and precision of laser level itself, just can determine rapidly the welding position that is positioned at the partition plate holder 4 of roof in other regions of steel structure of car body framework 5 inner spaces, so that second division board 3 in other regions, steel structure of car body framework 5 inner spaces, the 3rd even location of the division board 3 of greater number of division board 3, install, thereby ensured regional in steel structure of car body framework 5 inner spaces partition plate 3 fast, precise positioning, positioning accurate accuracy and the location survey efficiency of partition plate 3 are greatly improved, be conducive to reduce passenger vehicle improvement cost.
It is measurement and positioning instrument that the present invention adopts laser level, utilize 3 definite plane principles, can reach the high accuracy of the longitudinal cutting face of measuring passenger car body steel structure frame 5, the measurement requirement of efficientibility by one man operation, can reduce the necessary support personnel of traditional measurement mode, save human cost; Because measurement efficiency, the measuring accuracy of laser level are all higher, can significantly improve the surveying work efficiency in steel structure of car body framework 5 interior zone boundary lines and measure precision, and can ensure well that passenger vehicle transformation meets designing requirement, effectively control improvement cost, avoid passenger vehicle transformation to do over again because the key technological transformation that gross differences causes appears in the regional boundary line setting of steel structure of car body framework 5 inside, thereby installed and meet designing requirement strong guarantee is provided for the later stage upholstery of passenger car body and equipment.
It is pointed out that choosing of 3 of above-mentioned A, B, C must be controlled, and be easy to measure, controlled, reliable to ensure the degree of accuracy of A, B, 3 determined planes of C; Meanwhile, 3 selected of A, B, C is also not limited on the ground and both walls of steel structure of car body framework 5 inner spaces, as long as not conllinear of 3 of selected A, B, C can be realized quick positioning marking method of the present invention.In addition, in the time that the present invention specifically implements, also be not limited to progressively measure one by one by spatial framework to car body "A" end of car 2 directions taking the outside end wall metope of one of car body end 1 as reference field, also outside end wall metope that can car body "A" end of car 2 is that reference field is progressively measured by spatial framework one by one to end 1 direction of car body, and concrete operations are looked and measured the difference of custom and difference.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments of doing within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a railroad coach steel structure of car body framework quick positioning marking method, is characterized in that: comprise the following steps:
The 1st step, chooses the vertical guide of steel structure of car body framework as reference field;
The 2nd step, in steel structure of car body framework inner space, choose at least 3 anchor points of partition plate to be installed, described anchor point is conllinear and all equal to the horizontal linear distance of reference field respectively not, the location auxiliary surface by the determined plane of described anchor point as partition plate to be installed;
The 3rd step, use laser level ray around steel structure of car body framework inside, adjust laser level until its ray projecting passes through at least 3 anchor points on the location auxiliary surface of partition plate simultaneously, after determining the longitudinal cutting face of steel structure of car body framework at place, partition plate boundary line, then laser level is fixed;
The 4th step, the longitudinal cutting face of the determined steel structure of car body framework of ray that laser level projects and the handing-over of steel structure of car body frame roof, the line that described junction shows is final definite installation location place, partition plate to be installed top.
2. railroad coach steel structure of car body framework quick positioning marking method according to claim 1, it is characterized in that: repeat the 1st step to the 4 steps of described quick positioning marking method, in steel structure of car body framework inner space, determine described in several that division board to be installed is at the installation location place of roof.
3. according to the railroad coach steel structure of car body framework quick positioning marking method described in claim 1 or 2, it is characterized in that: in described the 1st step, choose the outside end wall metope of an end of car body or the outside end wall metope of the car body "A" end of car vertical guide as steel structure of car body framework.
4. according to the railroad coach steel structure of car body framework quick positioning marking method described in claim 1 or 2, it is characterized in that: in described the 2nd step, selected anchor point lays respectively on the ground and both walls of steel structure of car body framework inner space.
5. according to the railroad coach steel structure of car body framework quick positioning marking method described in claim 1 or 2, it is characterized in that: in described the 3rd step, the distance between the location auxiliary surface of described laser level and described partition plate is no more than 1.5 meters.
6. according to the railroad coach steel structure of car body framework quick positioning marking method described in claim 1 or 2, it is characterized in that: at described partition plate to be installed top, final definite installation location place is fixedly connected with partition plate holder, described partition plate top and steel structure of car body frame roof are installed fixing by partition plate holder.
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| CN201410502513.2A CN104197904B (en) | 2014-09-26 | 2014-09-26 | A kind of railroad coach steel structure of car body framework quick positioning marking method |
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| CN201410502513.2A CN104197904B (en) | 2014-09-26 | 2014-09-26 | A kind of railroad coach steel structure of car body framework quick positioning marking method |
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| CN104197904A true CN104197904A (en) | 2014-12-10 |
| CN104197904B CN104197904B (en) | 2016-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108007933A (en) * | 2016-10-31 | 2018-05-08 | 中车大同电力机车有限公司 | A kind of system of electric locomotive paint beautification defect location and feedback |
| CN116518849A (en) * | 2023-06-20 | 2023-08-01 | 常州市新创智能科技有限公司 | Device and method for accurately positioning and detecting depth of aluminum alloy vehicle body interface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108007933A (en) * | 2016-10-31 | 2018-05-08 | 中车大同电力机车有限公司 | A kind of system of electric locomotive paint beautification defect location and feedback |
| CN108007933B (en) * | 2016-10-31 | 2021-04-13 | 中车大同电力机车有限公司 | System for positioning and feeding back beautifying defects of paint of electric locomotive |
| CN116518849A (en) * | 2023-06-20 | 2023-08-01 | 常州市新创智能科技有限公司 | Device and method for accurately positioning and detecting depth of aluminum alloy vehicle body interface |
| CN116518849B (en) * | 2023-06-20 | 2023-09-08 | 常州市新创智能科技有限公司 | Device and method for accurately positioning and detecting depth of aluminum alloy vehicle body interface |
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