CN114417515A - Modeling method and system of mechanical pre-grooving machine - Google Patents
Modeling method and system of mechanical pre-grooving machine Download PDFInfo
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- CN114417515A CN114417515A CN202111470001.9A CN202111470001A CN114417515A CN 114417515 A CN114417515 A CN 114417515A CN 202111470001 A CN202111470001 A CN 202111470001A CN 114417515 A CN114417515 A CN 114417515A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010586 diagram Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims description 22
- 239000011435 rock Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The disclosure provides a modeling method and a system of a mechanical pre-grooving machine, which comprise the following steps: drawing a section diagram of a tunnel to be excavated, and creating a virtual scene; preliminarily drawing a model of the mechanical pre-grooving machine; importing the model into a created virtual scene; and adjusting the structural parameters of the mechanical pre-grooving machine according to the state of the model in the virtual scene. The grooving machine in advance that this disclosed technical scheme confirmed can be suitable for to treating the tunnel of excavation, and accurate customization can improve the efficiency of construction.
Description
Technical Field
The disclosure belongs to the technical field of pre-grooving machine modeling, and particularly relates to a modeling method and system of a mechanical pre-grooving machine.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In recent years, tunnel construction projects are developed more, the grooving technology is that before a working face is excavated, a special chain type mechanical cutter is used for continuously cutting a narrow groove with the thickness of about tens of centimeters and the depth of several meters along the periphery of a tunnel section, and meanwhile, concrete is poured into the narrow groove by using concrete pouring equipment integrated with the cutter, so that a continuous concrete shell with the function of preliminary supporting is formed.
The pre-grooving method is a unique construction technology, is a method between a shallow-buried underground excavation method and a shield method, and can be matched with the shallow-buried underground excavation method to form a novel tunnel construction technology under complex geology and ground environment. The method can greatly improve the mechanization level of construction and can effectively control the surface settlement.
The inventor finds in research that due to different tunnel geological conditions, the grooving machine needs to be customized in advance according to the provided tunnel section diagram, the grooving machine is high in cost, the total number of all parts is thousands, and the ideal requirement cannot be met only according to the accuracy of a simple two-dimensional tunnel section diagram. If the geological characteristics of the tunnel are not judged enough in the early stage, the customized grooving machine cannot adapt to the geological conditions of the tunnel, and finally the customized grooving machine cannot be normally used.
Most of the existing digital twinning schemes are applied to small-sized equipment, the total number of parts is small, and the mass production can be realized. Mechanical pre-grooving machines require different customisations according to different tunnel profiles.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the present disclosure provides a modeling method for a mechanical pre-grooving machine, ensuring that a customized pre-grooving machine can be adapted to the corresponding tunnel geology.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
in a first aspect, a method for modeling a mechanical pre-grooving machine is disclosed, comprising:
drawing a section diagram of a tunnel to be excavated and tunnel surrounding rocks, and creating a virtual scene;
preliminarily drawing a model of the mechanical pre-grooving machine;
importing the model into a created virtual scene;
and adjusting the structural parameters of the mechanical pre-grooving machine according to the state of the model in the virtual scene.
According to the further technical scheme, the section diagram is used for displaying the height and span related dimension information of the tunnel.
According to the further technical scheme, before the virtual scene is created, the method further comprises the step of acquiring information of tunnel surrounding rocks, and the method comprises the following steps: and (4) building a virtual scene based on the information of the surrounding rocks and the section diagram.
According to the further technical scheme, the drawn section view of the tunnel to be excavated and the tunnel surrounding rock are obtained based on a real scene.
According to the further technical scheme, the structural parameters of the mechanical pre-grooving machine are adjusted according to the state of the model in the virtual scene, and the structural parameters comprise the cutting linear speed of the virtual chain cutter, the rated circular cutting speed of the chain cutter, the maximum deflection angle of the chain cutter and the elevation angle range of the chain cutter, and the required chain cutter is obtained by fusing the factors.
The further technical scheme also comprises the following steps: and forming closed-loop feedback by using the cutting linear speed of the virtual chain cutter, the rated circular cutting speed of the chain cutter, the maximum deflection angle of the chain cutter and the elevation angle range of the chain cutter and the actual cutting effect on the surrounding rock.
According to a further technical scheme, after the size and the dimension of the mechanical pre-grooving machine part are adjusted according to a scene, the method further comprises the following steps: setting the matching relation between each part, and finally finishing the assembly body;
during assembly, assembly is completed once, or the assembly is divided into sub-assemblies according to the product structure relationship, the sub-assemblies are assembled firstly, and then the assembly of the three-dimensional model is completed in sequence.
In a second aspect, a digital twinning modeling system for a mechanical pre-slotting machine is disclosed, comprising:
a virtual scene creation module configured to: drawing a section diagram of a tunnel to be excavated, and creating a virtual scene;
a pre-grooving machine parameter determination module configured to: preliminarily drawing a model of the mechanical pre-grooving machine;
importing the model into a created virtual scene;
and adjusting the structural parameters of the mechanical pre-grooving machine according to the state of the model in the virtual scene.
The above one or more technical solutions have the following beneficial effects:
according to the technical scheme, the tunnel section diagram is drawn firstly, the situation of the tunnel surrounding rocks is settled, and the drawn tunnel section diagram and the situation of the tunnel surrounding rocks are obtained based on a real scene, so that a real foundation is established for subsequent modeling.
The grooving machine built by the technical scheme of the disclosure initially builds a model, simulates according to an actual scene, adjusts the equipment parameter number of the mechanical grooving machine, and realizes that an effect diagram of the grooving machine can be simulated before equipment is obtained.
The grooving machine in advance that this disclosed technical scheme confirmed can be suitable for to treating the tunnel of excavation, and accurate customization can improve the efficiency of construction.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a flow chart of an embodiment of the present disclosure;
FIG. 2 is a schematic cross-sectional view of a tunnel according to an embodiment of the disclosure;
fig. 3 is a simulation of a pre-grooving machine according to an embodiment of the disclosure.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Example one
The embodiment discloses a modeling method of a mechanical pre-grooving machine, which is shown in the attached figure 1 and comprises the following steps:
referring to the attached figure 2, S1, drawing a section view of the tunnel according to the geological survey data provided by a designer and arranging the surveyed surrounding rock conditions.
In step S1, the cross-sectional diagram shows the relevant dimension information such as the height and span of the tunnel, and the information according to the surrounding rocks includes the surrounding rock information such as the surrounding rock grade, the structural plane group number, the attitude, and the like.
S2, selecting a reference surface from the front-view, top-view and right-view reference surfaces as a sketch drawing plane by using solidwork software according to the shape of the part, and adding the geometric relationship among pixels and the size information of the pixels to complete the CAD model of the mechanical pre-grooving machine.
The step S2 uses solidwork software to draw a preliminary model of the mechanical pre-groover.
And S3, selecting a certain edge or a certain surface on the CAD model according to the shape of the part, carrying out operation commands such as stretching, rotating and the like on the model, and finally finishing the design of the part model.
In step S3, a virtual usage scenario is created based on the tunnel profile and the survey situation provided by the designer.
And S4, sequentially importing the parts required by assembly into unity to create a virtual scene.
In step S4, the final mechanical pre-grooving apparatus is determined by adjusting the dimensions of the part according to the virtual scene.
And S5, adjusting the size, the dimension and the like of the mechanical pre-grooving machine part according to the scene.
Specifically, the core of the above regulation is: the chain cutter of the mechanical pre-grooving machine needs the cutting linear speed of the virtual chain cutter, the rated circular cutting speed of the chain cutter, the maximum deflection angle of the chain cutter and the elevation range of the chain cutter, and the required chain cutter is obtained by fusing the factors.
And forming closed-loop feedback by using the cutting linear speed of the virtual chain cutter, the rated circular cutting speed of the chain cutter, the maximum deflection angle of the chain cutter and the elevation angle range of the chain cutter and the actual cutting effect on the surrounding rock.
Specifically, the cutting linear speed range of the chain cutter is set to be 0-85 m/min, the rated circular cutting speed of the chain cutter is 0.009km/h, the maximum deflection angle of the chain cutter is +/-25 degrees, and the elevation angle adjustment range of the chain cutter is set to be 0-8 degrees. The chain cutter cutting linear speed is divided into 86 types at 1m/min, and the elevation angle range is divided into 81 types at 0.1 degrees. All possibilities are 6966 cases. In the virtual scenario, these 696 cases are tested to find the best one by the actual cutting effect.
And adjusting the structural parameters with the parameters of the actual design drawing of the grooving machine as the reference in the process of adjusting the structural parameters until the design parameter requirements are met.
The effect of the cutting can be judged according to whether the cutting is over-short-cut or not.
S6, setting the matching relation among all parts, finally completing the design of an assembly body, rapidly completing the assembly in one step for a simple structure, generally dividing the complex structure formed by a plurality of parts into sub-assembly bodies according to the product structure relation, assembling the sub-assembly bodies, and then completing the assembly of the three-dimensional model in sequence.
And S7, determining that the final model starts to be manufactured. Referring to fig. 3, a simulation effect diagram is shown.
The technical scheme disclosed by the invention solves the problems of deviation and construction period delay in the process of prefabricating machinery by a modeling method aiming at the problem that the tunnel excavation by using a mechanical pre-grooving machine needs to be customized in advance.
Example two
It is an object of this embodiment to provide a computing device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the above method when executing the program.
EXAMPLE III
An object of the present embodiment is to provide a computer-readable storage medium.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method.
Example four
The present embodiment aims to provide a digital twin modeling system of a mechanical pre-grooving machine, which includes:
a virtual scene creation module configured to: drawing a section diagram of a tunnel to be excavated, and creating a virtual scene;
a pre-grooving machine parameter determination module configured to: preliminarily drawing a model of the mechanical pre-grooving machine;
importing the model into a created virtual scene;
and adjusting the structural parameters of the mechanical pre-grooving machine according to the state of the model in the virtual scene.
The steps involved in the apparatuses of the above second, third and fourth embodiments correspond to the first embodiment of the method, and the detailed description thereof can be found in the relevant description of the first embodiment. The term "computer-readable storage medium" should be taken to include a single medium or multiple media containing one or more sets of instructions; it should also be understood to include any medium that is capable of storing, encoding or carrying a set of instructions for execution by a processor and that cause the processor to perform any of the methods of the present disclosure.
Those skilled in the art will appreciate that the modules or steps of the present disclosure described above can be implemented using general purpose computer means, or alternatively, they can be implemented using program code executable by computing means, whereby the modules or steps may be stored in memory means for execution by the computing means, or separately fabricated into individual integrated circuit modules, or multiple modules or steps thereof may be fabricated into a single integrated circuit module. The present disclosure is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The modeling method of the mechanical pre-grooving machine is characterized by comprising the following steps of:
drawing a section diagram of a tunnel to be excavated and tunnel surrounding rocks, and creating a virtual scene;
preliminarily drawing a model of the mechanical pre-grooving machine;
importing the model into a created virtual scene;
and adjusting the structural parameters of the mechanical pre-grooving machine according to the state of the model in the virtual scene.
2. The method for modeling a mechanical pre-groover as set forth in claim 1, wherein said profile is used to display height and span related dimensional information of a tunnel.
3. The modeling method of a mechanical pre-groover as set forth in claim 1, further comprising obtaining information of tunnel surrounding rocks before creating the virtual scene, including: and (4) building a virtual scene based on the information of the surrounding rocks and the section diagram.
4. The modeling method of the mechanical pre-groover as claimed in claim 1, wherein the cross-sectional view of the tunnel to be excavated and the tunnel surrounding rock are obtained based on real scenes.
5. The modeling method of the mechanical pre-grooving machine as claimed in claim 1, wherein the structural parameters of the mechanical pre-grooving machine are adjusted according to the state of the model in the virtual scene, including the cutting linear speed of the virtual chain cutter, the rated circular cutting speed of the chain cutter, the maximum deflection angle of the chain cutter and the elevation range of the chain cutter, and the required chain cutter is obtained by fusing the above factors.
6. The method of modeling a mechanical pre-groover as set forth in claim 1, further comprising: and forming closed-loop feedback by using the cutting linear speed of the virtual chain cutter, the rated circular cutting speed of the chain cutter, the maximum deflection angle of the chain cutter and the elevation angle range of the chain cutter and the actual cutting effect on the surrounding rock.
7. The method for modeling a mechanical pre-groover as set forth in claim 1, further comprising, after adjusting the structural parameters of the mechanical pre-groover components based on the scene: setting the matching relation between each part, and finally finishing the assembly body;
during assembly, assembly is completed once, or the assembly is divided into sub-assemblies according to the product structure relationship, the sub-assemblies are assembled firstly, and then the assembly of the three-dimensional model is completed in sequence.
8. Digital twin modeling system of mechanical pre-grooving machine, characterized by comprising:
a virtual scene creation module configured to: drawing a section diagram of a tunnel to be excavated, and creating a virtual scene;
a pre-grooving machine parameter determination module configured to: preliminarily drawing a model of the mechanical pre-grooving machine;
importing the model into a created virtual scene;
and adjusting the structural parameters of the mechanical pre-grooving machine according to the state of the model in the virtual scene.
9. A computing device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program performs the steps of the method of any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, is adapted to carry out the steps of the method according to any one of the preceding claims 1 to 7.
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| CN202111470001.9A CN114417515A (en) | 2021-12-03 | 2021-12-03 | Modeling method and system of mechanical pre-grooving machine |
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2021
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