CN113486479B - BIM model-based rapid arrangement method for indoor water supply and drainage pipelines - Google Patents
BIM model-based rapid arrangement method for indoor water supply and drainage pipelines Download PDFInfo
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Abstract
The invention relates to a BIM model-based rapid arrangement method of indoor water supply and drainage pipelines, which relates to the technical field of pipeline arrangement and comprises the following steps that a, a water supply and drainage pipeline arrangement route is preset according to a house structure of a house to be arranged; step b, building BIM models of the house and the water supply and drainage pipeline respectively, and performing collision detection; c, adjusting the layout route according to a collision detection result; when the layout route is adjusted, different adjustment modes are adopted according to the types of collision points in the collision detection result, when the collision points have hard collision, the layout route is adjusted according to the number A of hard collision pipelines, when the water supply and drainage pipelines of the collision points are displaced, the corresponding displacement distance B is obtained according to the collision data in the BIM model, and the displacement distance B is adjusted and corrected according to the pipeline outer diameter R of the collision points and the floor thickness D. The method effectively improves the arrangement efficiency of the water supply and drainage pipelines.
Description
Technical Field
The invention relates to the technical field of pipeline layout, in particular to a BIM model-based rapid indoor water supply and drainage pipeline arrangement method.
Background
BIM is a building information model technology, is a data tool applied to engineering design, construction and management, and is used for describing computer aided design mainly based on three-dimensional graphics, object guidance and architecture. The BIM technology can effectively improve the working efficiency, reduce the cost and shorten the engineering period.
Chinese patent publication No.: CN 112182817A. A BIM model-based pipeline arrangement method is disclosed; according to the method, the adjustment of the pipeline is completed only by repeatedly carrying out collision inspection for multiple times, the method completely depends on the collision inspection of the BIM model, and when the collision points are too many, the workload is huge, so that the method is low in pipeline arrangement efficiency and poor in stability.
At present, two-dimensional drawings are mostly adopted when water supply and drainage pipelines are laid, the working efficiency is low, and the problem of low laying efficiency still exists in the prior art by combining a laying method of a BIM model.
Disclosure of Invention
Therefore, the invention provides a BIM model-based rapid arrangement method of indoor water supply and drainage pipelines, which is used for overcoming the problem of low arrangement efficiency of water supply and drainage pipelines caused by the fact that the arrangement pipeline position cannot be accurately adjusted through a BIM in the prior art.
In order to achieve the above object, the present invention provides a method for quickly arranging indoor water supply and drainage pipelines based on a BIM model, comprising:
step a, presetting a layout route of a water supply and drainage pipeline according to a house structure of a house to be laid;
b, building BIM models of the house and the water supply and drainage pipeline respectively, integrating the house model with the water supply and drainage pipeline model, and performing collision detection on the integrated BIM models;
c, adjusting the layout route according to a collision detection result;
in the step c, when the layout route is adjusted, different adjustment modes are adopted according to the types of collision points in the collision detection result, when the collision points have hard collision, the layout route is adjusted according to the quantity A of hard collision pipelines, when the water supply and drainage pipelines of the collision points are displaced, the corresponding displacement distance B is obtained according to collision data in a BIM model, the obtained displacement distance B is adjusted according to the size of the outer diameter R of the pipelines of the collision points, and after the adjustment is finished, the adjusted displacement distance is corrected according to the size of the floor thickness D of the floor where the water supply and drainage pipelines to be displaced are located;
and after the correction is finished, comparing the corrected displacement distance B 'with the maximum displacement distance to determine that the pipeline at the collision point is displaced or the pipeline route is changed, selecting the water supply and drainage pipelines with different inner wall thicknesses according to the corrected displacement distance B' to displace when the water supply and drainage pipeline at the collision point is controlled to displace, and compensating the selected water supply and drainage pipeline inner wall thickness according to the selected inner diameter r of the water supply and drainage pipeline when the selected water supply and drainage pipeline inner wall thickness is compensated.
Further, when the layout route is adjusted, different adjustment modes are adopted according to the types of collision points in the collision detection result, wherein,
when no collision point appears in the collision detection result, the layout route is not adjusted;
when the collision points in the collision detection result are all clearance collisions, displacing the water supply and drainage pipeline with the collision points according to the collision data;
and when the collision points in the collision detection result contain hard collisions, adjusting the layout route according to the number A of the hard collision pipelines.
Further, when the layout route is adjusted according to the number A of the hard collision pipelines, the number A of the hard collision pipelines is compared with the number of the preset hard collision pipelines, the layout route is adjusted according to the comparison result, wherein,
when the quantity A of the hard collision pipelines is less than A1, respectively displacing each hard collision pipeline according to collision data;
when the number A of the hard collision pipelines is larger than or equal to A1, the water supply and drainage pipelines are re-arranged, the positions of the collision points are avoided, and the collision test is carried out on the re-arranged water supply and drainage pipelines again until the number of the hard collision pipelines is smaller than the preset number of the hard collision pipelines;
the number of the A1 is preset as the number of the hard collision pipelines, and the size of the A1 is set according to the area of a house.
Further, when the water supply and drainage pipeline is displaced, the displacement distance B is obtained according to collision data, the outer diameter R of the pipeline is compared with the outer diameter of each preset pipeline, a corresponding displacement distance adjusting coefficient is selected according to the comparison result to adjust the obtained displacement distance, wherein,
when a preset displacement distance adjusting coefficient a is selected to adjust the displacement distance B, the adjusted displacement distance is B ', and B' is set to be B × a.
Further, when adjusting the displacement distance of the pipeline, the larger the outer diameter R of the pipeline to be displaced is, the larger the adjusted displacement distance is, wherein,
when R is less than or equal to R0, the displacement distance B is not adjusted;
when R0 is less than R, selecting a displacement distance adjusting coefficient a to adjust the displacement distance B;
wherein R0 is the preset outer diameter of the pipeline, a is the preset displacement distance adjusting coefficient, and a is more than 1 and less than 2.
Further, when a preset displacement distance adjusting coefficient a is selected for adjustment, the floor thickness D of the floor where the water supply and drainage pipeline to be displaced is located is compared with the thickness of each preset floor, and a corresponding displacement distance correction coefficient is selected according to the comparison result to correct the displacement distance adjusting coefficient a, wherein,
when a preset displacement distance correction coefficient B is selected to correct the displacement distance adjustment coefficient a, the corrected displacement distance adjustment coefficient is a ', a ' is set to be a × B, the corrected displacement distance is B ", and B" is set to be B × a '.
Further, when the displacement distance adjustment coefficient a is corrected, the smaller the floor thickness D, the smaller the corrected displacement distance adjustment coefficient, wherein,
when D is less than D0, selecting a displacement distance correction coefficient b to correct a displacement distance adjustment coefficient a;
when D0 is less than or equal to D, the displacement distance adjusting coefficient a is not corrected;
wherein D0 is the thickness of the preset floor slab, b is the correction coefficient of the preset displacement distance, and b is more than 0.5 and less than 1.
Further, after the correction of the displacement distance is completed, the corrected displacement distance B ″ is compared with a preset maximum displacement distance Bmax, and displacement is performed according to the comparison result, wherein,
when B 'is less than or equal to Bmax, controlling the water supply and drainage pipeline with the collision point to displace by a displacement distance B';
and when B' is greater than Bmax, the layout route of the water supply and drainage pipeline with the collision point is changed, and the collision point position is bypassed.
Further, when the displacement of the water supply and drainage pipeline at the collision point is controlled, the corrected displacement distance B' is compared with each preset displacement distance, and the water supply and drainage pipeline with different inner wall thicknesses is replaced to carry out displacement according to the comparison result, wherein,
when B' < B0, the water supply and drainage pipeline is directly displaced without being replaced;
when B0 is not more than B ', selecting a water supply and drainage pipeline with the inner wall thickness of H1 for displacement, and setting H1 as H0X [1+ (B' -B0)/B0 ];
wherein B0 is a preset standard displacement distance, B0 is more than 0 and Bmax; h0 is the thickness of the inner wall of the water supply and drainage pipeline to be displaced.
Further, when the water supply and drainage pipeline with the inner wall thickness of H1 is displaced, the inner diameter r of the water supply and drainage pipeline is compared with the inner diameter of each preset pipeline, and a corresponding thickness compensation coefficient is selected according to the comparison result to compensate the selected inner wall thickness H1, wherein,
when the j-th preset thickness compensation coefficient mj is selected to compensate the selected inner wall thickness H1, j is set to 1,2,3, the compensated inner wall thickness is H1 ', H1' is set to H1 × mj, wherein,
when r is less than r1, selecting a thickness compensation coefficient m1 to compensate the inner wall thickness H1;
when r is more than or equal to r1 and is less than r2, the inner wall thickness H1 is compensated by selecting a thickness compensation coefficient m 2;
when r is more than or equal to r2 and is less than r3, the inner wall thickness H1 is compensated by selecting a thickness compensation coefficient m 3;
wherein r1 is the inner diameter of the first preset pipeline, r2 is the inner diameter of the second preset pipeline, r3 is the inner diameter of the third preset pipeline, r1 is more than r2 and more than r 3; m1 is a first preset thickness compensation coefficient, m2 is a second preset thickness compensation coefficient, m3 is a third preset thickness compensation coefficient, and m1 is more than 0 and more than m2 and more than m3 and less than 1.
Compared with the prior art, the method has the advantages that the method can effectively avoid the problem of reworking during construction by performing collision detection on the preset layout route with a house in the BIM model, so that the layout efficiency of the water supply and drainage pipelines is effectively improved, meanwhile, the method does not need to repeatedly perform collision detection, displaces the water supply and drainage pipelines at collision points through collision detection results, avoids the problem of collision between the pipeline layout and a building structure, and further improves the layout efficiency of the water supply and drainage pipelines; the safety of the pipeline arrangement after adjustment can be effectively ensured by selecting different pipeline adjustment modes according to the types of collision points, meanwhile, the size of a displacement distance B is determined according to collision data when the pipeline at the collision point is displaced, and the accuracy of the displacement distance can be ensured, so that the arrangement efficiency of the water supply and drainage pipeline is further improved; after the correction is completed, the corrected displacement distance B ' is compared with the maximum displacement distance, so that the pipeline after displacement is prevented from being exposed outside the floor slab, when the pipeline of a control collision point is displaced by the displacement distance B ', the thickness of the inner wall of the pipeline is selected according to the displacement distance B ', the thickness of the position closer to the floor slab is larger, so that the safety and the service life of the pipeline are ensured, meanwhile, the thickness of the inner wall is compensated according to the size of the inner diameter of the pipeline, the thickness is thinner when the inner diameter is smaller, so that water flow normally passes through the pipeline is ensured, and meanwhile, the arrangement efficiency of a water supply and drainage pipeline is further improved.
Particularly, when the layout route is adjusted, different adjusting modes are adopted according to whether the collision point is a hard collision or a gap collision in the collision detection result, so that the adjusting efficiency of the collision point pipeline can be effectively improved, and the layout efficiency of the water supply and drainage pipeline is further improved.
Especially, the number A of the hard collision pipelines is compared with the number of the preset hard collision pipelines, and the arrangement route is adjusted according to the comparison result, so that the adjustment efficiency of the pipelines at the collision points can be further improved, and the arrangement efficiency of the water supply and drainage pipelines is further improved.
Especially, through comparing pipeline external diameter R and each pipeline external diameter of predetermineeing and select corresponding displacement distance accommodate coefficient and adjust the displacement distance who obtains, can effectively guarantee the degree of accuracy of displacement distance, further improved the adjustment efficiency of collision point pipeline to further improve the efficiency of laying of water supply and drainage pipeline.
Particularly, the floor thickness D of the floor where the water supply and drainage pipeline to be displaced is located is compared with the thickness of each preset floor, the corresponding displacement distance correction coefficient is selected, and the displacement distance adjustment coefficient a is corrected, so that the accuracy of the displacement distance is further ensured, the adjustment efficiency of the pipeline at the collision point is further improved, and the arrangement efficiency of the water supply and drainage pipeline is further improved.
Especially, through comparing the displacement distance B' after the correction with the maximum displacement distance, whether the displacement is carried out is judged, the accuracy of pipeline adjustment is further ensured, the adjustment efficiency of the pipelines at the collision points is further improved, and the arrangement efficiency of the water supply and drainage pipelines is further improved.
Especially, the corrected displacement distance B' is compared with each preset displacement distance to replace the water supply and drainage pipelines with different inner wall thicknesses to carry out displacement, so that the accuracy of the inner wall thicknesses of the displacement pipelines is effectively guaranteed, the adjustment efficiency of the pipelines at the collision points is further improved, and the arrangement efficiency of the water supply and drainage pipelines is further improved.
Especially, the inner diameter r of the water supply and drainage pipeline is compared with the inner diameter of each preset pipeline, the corresponding thickness compensation coefficient is selected to compensate the selected inner wall thickness H1, the accuracy of the inner wall thickness of the displacement pipeline is further ensured, the adjusting efficiency of the pipeline at the collision point is further improved, and the laying efficiency of the water supply and drainage pipeline is further improved.
Drawings
Fig. 1 is a schematic flow chart of a rapid arrangement method of indoor water supply and drainage pipelines based on a BIM model in this embodiment.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a method for quickly arranging indoor water supply and drainage pipelines based on a BIM model according to the present embodiment includes:
step a, presetting a layout route of a water supply and drainage pipeline according to a house structure of a house to be laid;
b, building BIM models of the house and the water supply and drainage pipeline respectively, integrating the house model with the water supply and drainage pipeline model, and performing collision detection on the integrated BIM models;
and c, adjusting the layout route according to the collision detection result.
Specifically, when the water supply and drainage pipeline is arranged, the water supply and drainage pipeline mainly comprises a vertical pipe, a main pipe and branch pipes, wherein the main pipe is also called a main pipe and is a pipe section for conveying water from an inlet pipe to each area of a building; when collision detection is carried out in the BIM model, the branch pipes are easy to collide with the main structure of the floor slab, and in order to avoid damaging the main structure of the floor slab, the main structure of the floor slab needs to be avoided when the branch pipes are arranged, and the main structure of the floor slab comprises building structures such as beams and columns which play a supporting role.
Specifically, in the step c, when the layout route is adjusted, different adjustment modes are adopted according to the types of collision points in the collision detection result, wherein,
when no collision point appears in the collision detection result, the layout route is not adjusted;
when the collision points in the collision detection result are all clearance collisions, displacing the water supply and drainage pipeline with the collision points according to the collision data;
adding elbows at two ends of the displaced water supply and drainage pipeline to be connected with other pipelines, wherein the elbows comprise, but are not limited to, right-angle elbows and three-way elbows;
and when the collision points in the collision detection result contain hard collisions, adjusting the layout route according to the number A of the hard collision pipelines.
Specifically, when the layout route is adjusted, different adjustment modes are adopted according to whether the collision point is a hard collision or a gap collision in the collision detection result, so that the adjustment efficiency of the pipelines at the collision point can be effectively improved, and the layout efficiency of the water supply and drainage pipelines is further improved.
Specifically, when the layout route is adjusted according to the number A of the hard collision pipelines, the number A of the hard collision pipelines is compared with the number of the preset hard collision pipelines, the layout route is adjusted according to the comparison result, wherein,
when the quantity A of the hard collision pipelines is less than A1, respectively displacing each hard collision pipeline according to collision data;
when the quantity A of the hard collision pipelines is more than or equal to A1, rearranging the water supply and drainage pipelines, avoiding the positions of all collision points, and performing collision tests on the rearranged water supply and drainage pipelines again until the quantity of the hard collision pipelines is less than the preset quantity of the hard collision pipelines;
the number of the A1 is preset as the number of the hard collision pipelines, and the size of the A1 is set according to the area of a house.
Specifically, when the water supply and drainage pipeline is displaced, the displacement distance B is obtained according to collision data, the pipeline outer diameter R is compared with the outer diameter of each preset pipeline, and the obtained displacement distance is adjusted by selecting a corresponding displacement distance adjusting coefficient according to the comparison result, wherein,
when a preset displacement distance adjusting coefficient a is selected to adjust the displacement distance B, the adjusted displacement distance is B ', and B' is set to be B × a.
Specifically, when adjusting the displacement distance of the pipe, the larger the outer diameter R of the pipe to be displaced, the larger the adjusted displacement distance, wherein,
when R is less than or equal to R0, the displacement distance B is not adjusted;
when R0 is less than R, selecting a displacement distance adjusting coefficient a to adjust the displacement distance B;
wherein R0 is the preset outer diameter of the pipeline, a is the preset displacement distance adjusting coefficient, and a is more than 1 and less than 2.
Particularly, this embodiment is adjusted the displacement distance that obtains through comparing pipeline external diameter R and each preset pipeline external diameter and selecting the displacement distance accommodate coefficient that corresponds, can effectively guarantee the degree of accuracy of displacement distance, has further improved the adjustment efficiency of collision point pipeline to further improve the efficiency of laying of water supply and drainage pipeline.
Specifically, when a preset displacement distance adjustment coefficient a is selected for adjustment, the floor thickness D of the floor where the water supply and drainage pipeline to be displaced is located is compared with the thickness of each preset floor, and the corresponding displacement distance correction coefficient is selected according to the comparison result to correct the displacement distance adjustment coefficient a, wherein,
when a preset displacement distance correction coefficient B is selected to correct the displacement distance adjustment coefficient a, the corrected displacement distance adjustment coefficient is a ', a ' is set to be a × B, the corrected displacement distance is B ", and B" is set to be B × a '.
Specifically, when the displacement distance adjustment coefficient a is corrected, the smaller the floor thickness D, the smaller the corrected displacement distance adjustment coefficient, wherein,
when D is less than D0, selecting a displacement distance correction coefficient b to correct the displacement distance adjustment coefficient a;
when D0 is less than or equal to D, the displacement distance adjusting coefficient a is not corrected;
wherein D0 is the preset floor thickness, b is the preset displacement distance correction coefficient, and b is more than 0.5 and less than 1.
Specifically, the minimum distance between the surface of the pipeline and the surface of the floor slab in the displacement direction is defined as a maximum displacement distance Bmax, after the displacement distance is corrected, the corrected displacement distance B ″ is compared with a preset maximum displacement distance Bmax, and displacement is performed according to the comparison result, wherein,
when B 'is less than or equal to Bmax, controlling the water supply and drainage pipeline with the collision point to displace by a displacement distance B';
and when B' is greater than Bmax, the layout route of the water supply and drainage pipeline with the collision point is changed, and the collision point position is bypassed.
Particularly, this embodiment is through comparing displacement distance B "after will revising with the biggest displacement distance, judges whether to carry out the displacement, has further guaranteed the degree of accuracy of pipeline adjustment, has further improved the adjustment efficiency of collision point pipeline to further improve the efficiency of laying of water supply and drainage pipeline.
Specifically, when the displacement of the water supply and drainage pipeline at the collision point is controlled, the corrected displacement distance B' is compared with each preset displacement distance, and the water supply and drainage pipelines with different inner wall thicknesses are replaced to carry out displacement according to the comparison result, wherein,
when B' < B0, the water supply and drainage pipeline is directly displaced without being replaced;
when B0 is not more than B ', selecting a water supply and drainage pipeline with the inner wall thickness of H1 for displacement, and setting H1 as H0X [1+ (B' -B0)/B0 ];
wherein B0 is a preset standard displacement distance, B0 is more than 0 and more than Bmax; h0 is the thickness of the inner wall of the water supply and drainage pipeline to be displaced.
Specifically, when the water supply and drainage pipeline with the inner wall thickness of H1 is displaced, the inner diameter r of the water supply and drainage pipeline is compared with the inner diameter of each preset pipeline, and the selected inner wall thickness H1 is compensated by selecting a corresponding thickness compensation coefficient according to the comparison result, wherein,
when the j-th preset thickness compensation coefficient mj is selected to compensate the selected inner wall thickness H1, setting j to be 1,2 and 3, setting the compensated inner wall thickness to be H1 ', setting H1' to be H1 x mj, wherein,
when r is less than r1, selecting a thickness compensation coefficient m1 to compensate the inner wall thickness H1;
when r is more than or equal to r1 and is less than r2, the inner wall thickness H1 is compensated by selecting a thickness compensation coefficient m 2;
when r is more than or equal to r2 and is less than r3, the inner wall thickness H1 is compensated by selecting a thickness compensation coefficient m 3;
wherein r1 is the inner diameter of the first preset pipeline, r2 is the inner diameter of the second preset pipeline, r3 is the inner diameter of the third preset pipeline, r1 is more than r2 and more than r 3; m1 is a first preset thickness compensation coefficient, m2 is a second preset thickness compensation coefficient, m3 is a third preset thickness compensation coefficient, and m1 is more than 0 and more than m2 and more than m3 and less than 1.
Particularly, this embodiment is through comparing water supply and drainage pipeline's internal diameter r and each predetermine the pipeline internal diameter and select corresponding thickness compensation coefficient to compensate the inner wall thickness H1 who chooses, has further guaranteed the degree of accuracy of displacement pipeline inner wall thickness, has further improved the adjustment efficiency of collision point pipeline to further improve water supply and drainage pipeline's the efficiency of laying.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (4)
1. A BIM model-based rapid arrangement method for indoor water supply and drainage pipelines is characterized by comprising the following steps:
step a, presetting a layout route of a water supply and drainage pipeline according to a house structure of a house to be laid;
b, building BIM models of the house and the water supply and drainage pipeline respectively, integrating the house model with the water supply and drainage pipeline model, and performing collision detection on the integrated BIM models;
c, adjusting the layout route according to a collision detection result;
in the step c, when the layout route is adjusted, different adjustment modes are adopted according to the types of collision points in a collision detection result, when the collision points have hard collision, the layout route is adjusted according to the quantity A of the hard collision pipelines, when the water supply and drainage pipelines at the collision points are displaced, the corresponding displacement distance B is obtained according to collision data in a BIM (building information modeling) model, the obtained displacement distance B is adjusted according to the size of the outer diameter R of the pipelines at the collision points, and after the adjustment is finished, the adjusted displacement distance is corrected according to the size of the floor thickness D of the floor where the water supply and drainage pipelines to be displaced are located;
after the correction is finished, comparing the corrected displacement distance B 'with the maximum displacement distance to determine to displace the pipeline at the collision point or change the pipeline route, selecting the water supply and drainage pipelines with different inner wall thicknesses to displace according to the corrected displacement distance B' when controlling the displacement of the water supply and drainage pipeline at the collision point, and compensating the selected inner wall thickness of the water supply and drainage pipeline according to the selected inner diameter r of the water supply and drainage pipeline when compensating the selected inner wall thickness of the water supply and drainage pipeline;
when the layout route is adjusted according to the quantity A of the hard collision pipelines, the quantity A of the hard collision pipelines is compared with the quantity of the preset hard collision pipelines, the layout route is adjusted according to the comparison result, wherein,
when the quantity A of the hard collision pipelines is less than A1, respectively displacing each hard collision pipeline according to collision data;
when the number A of the hard collision pipelines is larger than or equal to A1, the water supply and drainage pipelines are re-arranged, the positions of the collision points are avoided, and the collision test is carried out on the re-arranged water supply and drainage pipelines again until the number of the hard collision pipelines is smaller than the preset number of the hard collision pipelines;
the number of the A1 is preset as the number of hard collision pipelines, and the size of the A1 is set according to the area of a house;
when the water supply and drainage pipeline is displaced, the displacement distance B is obtained according to the collision data, the pipeline outer diameter R is compared with the outer diameter of each preset pipeline, and the obtained displacement distance is adjusted by selecting a corresponding displacement distance adjusting coefficient according to the comparison result, wherein,
when a preset displacement distance adjusting coefficient a is selected to adjust the displacement distance B, the adjusted displacement distance is B ', and B' = Bxa is set;
when the displacement distance of the pipeline is adjusted, the larger the outer diameter R of the pipeline to be displaced is, the larger the adjusted displacement distance is, wherein,
when R is less than or equal to R0, the displacement distance B is not adjusted;
when R0 is less than R, selecting a displacement distance adjusting coefficient a to adjust the displacement distance B;
wherein R0 is the preset outer diameter of the pipeline, a is the preset displacement distance adjusting coefficient, and a is more than 1 and less than 2;
when the preset displacement distance adjusting coefficient a is selected for adjustment, the floor thickness D of the floor where the water supply and drainage pipeline to be displaced is located is compared with the thickness of each preset floor, and the corresponding displacement distance correction coefficient is selected according to the comparison result to correct the displacement distance adjusting coefficient a, wherein,
when a preset displacement distance correction coefficient B is selected to correct the displacement distance adjustment coefficient a, setting a ' = a × B for the corrected displacement distance adjustment coefficient a ', setting B ' = B × a ' for the corrected displacement distance B ';
when the displacement distance adjustment coefficient a is corrected, the smaller the floor thickness D, the smaller the corrected displacement distance adjustment coefficient, wherein,
when D is less than D0, selecting a displacement distance correction coefficient b to correct a displacement distance adjustment coefficient a;
when D0 is less than or equal to D, the displacement distance adjusting coefficient a is not corrected;
wherein D0 is the preset floor thickness, b is the preset displacement distance correction coefficient, b is more than 0.5 and less than 1;
when the water supply and drainage pipeline with the inner wall thickness of H1 is displaced, the inner diameter r of the water supply and drainage pipeline is compared with the inner diameter of each preset pipeline, and the selected inner wall thickness H1 is compensated by selecting a corresponding thickness compensation coefficient according to the comparison result, wherein,
when the j-th preset thickness compensation coefficient mj is selected to compensate the selected inner wall thickness H1, j =1,2,3 is set, the compensated inner wall thickness is H1 ', H1' = H1 × mj is set, wherein,
when r is less than r1, selecting a thickness compensation coefficient m1 to compensate the inner wall thickness H1;
when r is more than or equal to r1 and is less than r2, the inner wall thickness H1 is compensated by selecting a thickness compensation coefficient m 2;
when r is more than or equal to r2 and is more than r3, the thickness compensation coefficient m3 is selected to compensate the inner wall thickness H1;
wherein r1 is the inner diameter of the first preset pipeline, r2 is the inner diameter of the second preset pipeline, r3 is the inner diameter of the third preset pipeline, r1 is more than r2 and more than r 3; m1 is a first preset thickness compensation coefficient, m2 is a second preset thickness compensation coefficient, m3 is a third preset thickness compensation coefficient, and m1 is more than 0 and more than m2 and more than m3 and less than 1.
2. The BIM model-based rapid arrangement method of indoor water supply and drainage pipelines according to claim 1, wherein when the layout route is adjusted, different adjustment modes are adopted according to the types of collision points in the collision detection results, wherein,
when no collision point appears in the collision detection result, the layout route is not adjusted;
when the collision points in the collision detection result are all clearance collisions, displacing the water supply and drainage pipeline with the collision points according to the collision data;
and when the collision points in the collision detection result contain hard collisions, adjusting the layout route according to the number A of the hard collision pipelines.
3. The BIM-model-based rapid arrangement method of indoor water supply and drainage pipelines according to claim 1, wherein after the displacement distance is corrected, the corrected displacement distance B' is compared with a preset maximum displacement distance Bmax, and displacement is performed according to the comparison result, wherein,
when B is less than or equal to Bmax, controlling the water supply and drainage pipeline with the collision point to displace by a displacement distance B;
and when B' is greater than Bmax, the layout route of the water supply and drainage pipeline with the collision point is changed, and the collision point position is bypassed.
4. The BIM model-based rapid arrangement method of indoor water supply and drainage pipelines according to claim 3, wherein when the water supply and drainage pipeline at the collision point is controlled to be displaced, the corrected displacement distance B' is compared with each preset displacement distance, and the water supply and drainage pipeline with different inner wall thicknesses is replaced to be displaced according to the comparison result, wherein,
when B' < B0, the water supply and drainage pipeline is directly displaced without being replaced;
when B0 is not more than B ', selecting a water supply and drainage pipeline with the inner wall thickness of H1 for displacement, and setting H1= H0X [1+ (B' -B0)/B0 ];
wherein B0 is a preset standard displacement distance, B0 is more than 0 and Bmax; h0 is the thickness of the inner wall of the water supply and drainage pipeline to be displaced.
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