阅读说明：本技术 基于bim的建筑施工方法 (building construction method based on BIM ) 是由 程晓波 陈天全 向东阳 朱睿 勾文锦 王永春 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种基于BIM的建筑施工方法,该施工方法基于用于承载建筑模型的模拟装置,用于获得建筑模型的结构信息,所述模拟装置包括底板、旋转台、第二摄像头,还包括滑块、第一转轴及第二转轴,所述滑块内安装有行星轮及与太阳轮,所述第一转轴与第二转轴均通过支座与旋转台相连；所述行星轮固定于第一轮轴上且行星轮与第一轮轴同轴,所述第二摄像头固定于太阳轮上,且第二摄像头位于滑块的外侧；所述第二转轴为螺纹杆,且第二转轴与滑块螺纹连接；通过旋转第二转轴,实现滑块在第二转轴轴线上的位置调节；通过旋转第一转轴,实现太阳轮绕自身轴线转动。本施工方法可以更生动和准确的获得建筑模型内部结构信息。(The invention discloses a building construction method based on BIM, which is based on a simulation device for bearing a building model and is used for obtaining the structural information of the building model, wherein the simulation device comprises a bottom plate, a rotating platform and a second camera, and also comprises a sliding block, a first rotating shaft and a second rotating shaft, a planet wheel and a sun wheel are arranged in the sliding block, and the first rotating shaft and the second rotating shaft are both connected with the rotating platform through a support; the planet wheel is fixed on the first wheel shaft and is coaxial with the first wheel shaft, the second camera is fixed on the sun wheel and is positioned on the outer side of the sliding block; the second rotating shaft is a threaded rod and is in threaded connection with the sliding block; the position of the sliding block on the axis of the second rotating shaft is adjusted by rotating the second rotating shaft; the sun wheel rotates around the axis of the sun wheel by rotating the first rotating shaft. The construction method can more vividly and accurately obtain the internal structure information of the building model.)

1. Building construction method based on BIM, the construction method is based on a simulation device for bearing a building model (3) and is used for obtaining structural information of the building model (3), the simulation device comprises a bottom plate (1), a rotating platform (2) installed on the bottom plate (1), and a second camera (5) installed on the top surface of the rotating platform (2), the second camera (5) is used for obtaining internal structural information of the building model, the building construction method is characterized by further comprising a sliding block (11), a first rotating shaft (8) and a second rotating shaft (13), a planet wheel (9) and a sun wheel (10) meshed with the planet wheel (9) are installed in the sliding block (11), the first rotating shaft (8) and the second rotating shaft (13) are both connected with the rotating platform (2) through a support (6) fixed on the rotating platform (2), and the first rotating shaft (8) and the second rotating shaft (13) can rotate around the axes of the first rotating shaft and the second rotating shaft (13), the first rotating shaft (8) and the second rotating shaft (13) are parallel to each other, and the first rotating shaft (8) and the second rotating shaft (13) are fixed in position relative to the rotating platform (2);

the planet wheel (9) is fixed on the first wheel shaft (8), the planet wheel (9) is coaxial with the first wheel shaft (8), the second camera (5) is fixed on the sun wheel (10), and the second camera (5) is located on the outer side of the sliding block (11);

The second rotating shaft (13) is a threaded rod, and the second rotating shaft (13) is in threaded connection with the sliding block (11);

The position of the sliding block (11) on the axis of the second rotating shaft (13) is adjusted by rotating the second rotating shaft (13);

The sun wheel (10) rotates around the axis of the sun wheel by rotating the first rotating shaft (8).

2. The BIM-based building construction method according to claim 1, wherein the first rotating shaft (8) and the second rotating shaft (13) are respectively fixed with a first driving mechanism (7), and the respective first driving mechanisms (7) are used for driving the first rotating shafts to rotate around own axes.

3. The BIM-based building construction method according to claim 2, wherein the first driving mechanisms (7) are all servo motors.

4. The BIM-based building construction method according to claim 1, further comprising a first camera (4) installed on the base plate (1), wherein the first camera (4) is used for obtaining external structure information of the building model (3), and the height of the first camera (4) is adjustable.

5. the BIM-based building construction method according to claim 4, wherein the height adjustment of the first camera (4) is realized by a rotating screw rod, and the BIM-based building construction method further comprises a second driving mechanism for driving the screw rod to rotate around the axis of the screw rod, the driving force for rotating the rotating platform (2) comes from the second driving mechanism, and the rotation of the rotating platform (2) is realized by intersecting with the rotation of the screw rod: when the second driving mechanism drives the rotating platform (2) to rotate, the screw rod is static; when the second driving mechanism drives the screw rod to rotate, the rotating platform (2) is static.

6. The BIM-based building construction method according to claim 1, wherein illumination lamps (12) are provided on the top surface and the side surface of the slider (11), and the illumination lamps (12) are used for illuminating the inside of the building model (3) in the process of acquiring the internal structure information by the second camera (5).

7. The BIM-based building construction method according to claim 1, wherein both ends of each of the first and second rotation shafts (8, 13) are provided with a support (6) for supporting the respective ends.

8. The BIM-based building construction method according to claim 1, wherein the sliding block (11) is a block structure provided with a cavity therein, the sun gear (10) is installed in the cavity, and the top surface of the sliding block (11) is an arc surface coaxial with the first rotating shaft (8);

The top surface of the sliding block (11) is also provided with an annular hole (14), the extending direction of the annular hole (14) is along the circumferential direction of the first rotating shaft (8), and the annular hole (14) is used as a channel for communicating the cavity with the outside of the sliding block (11);

the second camera (5) is connected with the sun wheel (10) through a connecting structure, and the annular hole (14) is used as a channel of the top surface of the connecting structure.

9. The BIM-based construction method according to claim 8, further comprising a measuring device for measuring the torque on the first rotary shaft (8), wherein the output value of the measuring device is used for reflecting the collision condition of the connecting structure with the end face of the annular hole (14).

10. The BIM-based construction method according to any one of claims 1 to 9, wherein the second rotation shaft (13) is a reciprocating screw.

Technical Field

The invention relates to the technical field of building construction, in particular to a building construction method based on BIM.

Background

The BIM (building information coding) technology is proposed by Autodesk company in 2002, is widely recognized in the world at present, can help to realize the integration of building information, and all kinds of information are always integrated in a three-dimensional model information database from the design, construction and operation of a building to the end of the whole life cycle of the building, and personnel of design teams, construction units, facility operation departments, owners and the like can perform cooperative work based on the BIM, thereby effectively improving the working efficiency, saving resources, reducing the cost and realizing sustainable development.

The core of BIM is to provide a complete building engineering information base consistent with the actual situation for a virtual building engineering three-dimensional model by establishing the model and utilizing the digital technology. The information base not only contains geometrical information, professional attributes and state information describing building components, but also contains state information of non-component objects (such as space and motion behaviors). By means of the three-dimensional model containing the construction engineering information, the information integration degree of the construction engineering is greatly improved, and therefore a platform for engineering information exchange and sharing is provided for related interest parties of the construction engineering project.

BIM has the following characteristics: the method can be applied to design and can also be applied to the whole life cycle of construction engineering projects; the design by BIM belongs to digital design; the BIM database is dynamically changed and is continuously updated, enriched and enriched in the application process; and a collaborative platform is provided for all parties participating in the project. In the research and development of the BIM standard in China, a research group has already obtained staged results.

the BIM model integrates all views, models, dimension parameters, material information and additional information, and is convenient for relevant personnel to compare the design model with the building entity at any time during construction neutralization quality acceptance. In the implementation process of the existing building construction method based on the BIM, a digital three-dimensional model can be obtained by using a building model entity, the building model entity is used for simulating the construction process based on the BIM to a user before construction, the building model entity is used for showing the construction process to the user in the construction process, and the like. In the use process of the building model, the most common application mode is to collect the external structure information and the internal structure information of the building model by using a camera, so that the structural information of the building model is better obtained, and the comparison accuracy or the display effect and the like are greatly influenced.

disclosure of Invention

Aiming at the technical problem that the better acquisition of the structural information of the building model has important influence on the contrast accuracy or the display effect and the like, the invention provides a building construction method based on BIM. The construction method can more vividly and accurately obtain the internal structure information of the building model.

aiming at the problems, the building construction method based on the BIM solves the problems through the following technical key points: the building construction method based on the BIM is based on a simulation device for bearing a building model and is used for obtaining structural information of the building model, the simulation device comprises a bottom plate, a rotating platform installed on the bottom plate, a second camera installed on the top surface of the rotating platform, a sliding block, a first rotating shaft and a second rotating shaft, a planet wheel and a sun wheel meshed with the planet wheel teeth are installed in the sliding block, the first rotating shaft and the second rotating shaft are both connected with the rotating platform through a support fixed on the rotating platform, the first rotating shaft and the second rotating shaft can rotate around the axes of the first rotating shaft and the second rotating shaft respectively, the first rotating shaft and the second rotating shaft are parallel to each other, and the positions of the first rotating shaft and the second rotating shaft relative to the rotating platform are fixed;

The planet wheel is fixed on the first wheel shaft and is coaxial with the first wheel shaft, the second camera is fixed on the sun wheel and is positioned on the outer side of the sliding block;

the second rotating shaft is a threaded rod and is in threaded connection with the sliding block;

The position of the sliding block on the axis of the second rotating shaft is adjusted by rotating the second rotating shaft;

the sun wheel rotates around the axis of the sun wheel by rotating the first rotating shaft.

Drawings

FIG. 1 is a schematic structural diagram of a simulation apparatus in an embodiment of the BIM-based building construction method of the present invention;

FIG. 2 is a schematic structural diagram showing a relationship between a slider on a simulation apparatus and a rotary table and a second camera in an embodiment of the BIM-based construction method of the present invention;

Fig. 3 is a schematic structural diagram showing a fitting relationship between a slider on a simulation apparatus and a sun gear, a planet gear, a first wheel axle and a second wheel axle in a concrete application embodiment of the building construction method based on BIM according to the present invention;

Fig. 4 is a schematic perspective view showing a three-dimensional structure reflecting a matching relationship between an upper slide block of a simulation apparatus and a first wheel axle, a second wheel axle, and a second camera in a concrete application embodiment of the building construction method based on BIM according to the present invention.

the labels in the figure are respectively: 1. the building model comprises a base plate, 2, a rotating platform, 3, a building model, 4, a first camera, 5, a second camera, 6, a support, 7, a first driving mechanism, 8, a first rotating shaft, 9, a planet wheel, 10, a sun wheel, 11, a sliding block, 12, a lighting lamp, 13, a second rotating shaft, 14 and an annular hole.

Detailed Description

The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples: