CN115758751A - Seamless track design method, device, equipment and readable storage medium - Google Patents
Seamless track design method, device, equipment and readable storage medium Download PDFInfo
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- CN115758751A CN115758751A CN202211468233.5A CN202211468233A CN115758751A CN 115758751 A CN115758751 A CN 115758751A CN 202211468233 A CN202211468233 A CN 202211468233A CN 115758751 A CN115758751 A CN 115758751A
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Abstract
The invention provides a method, a device, equipment and a readable storage medium for designing a seamless track, wherein the method comprises the steps of obtaining first information, second information and third information, wherein the first information comprises the spatial structure of a turnout steel rail piece; performing coordinate processing on the spatial structure of the turnout steel rail piece to obtain the spatial structure of the steel rail piece after coordinate processing; establishing a turnout unit model according to the space structure, the second information and the third information of the steel rail member after the coordinate processing; calculating according to the turnout unit model to obtain the displacement of the turnout beam corresponding to the turnout unit model; calculating displacement of turnout beams corresponding to at least two turnout unit models to obtain fourth information, wherein the fourth information comprises translation amount of seamless connection of turnout beams corresponding to two adjacent turnout unit models; and connecting the turnout unit models according to the fourth information to complete the design of the cross-section seamless route, and realizing the design of the seamless route aiming at the turnout group.
Description
Technical Field
The invention relates to the technical field of high-speed rails, in particular to a method, a device, equipment and a readable storage medium for designing a seamless track.
Background
The inter-zone seamless line is a seamless line which is formed by welding (or gluing) insulating joints of block zones, even whole zones or even a plurality of zones (including turnouts, bridges, tunnels and the like) together and canceling buffer zones after perfecting a plurality of technologies such as a seamless line, a high-strength glued insulating joint, a seamless turnout and the like on a bridge. The railway structure is compatible with newly-built or reconstructed passenger-cargo collineation, high-speed and heavy haul railway, in the prior art, the stress of a single group of turnout is generally analyzed, the design of the seamless turnout is guided, but the situation of the single group of turnout under the actual working condition is rare, most of the turnout group is arranged in a turnout group mode, and therefore a seamless line design method is urgently needed to be used for arranging the turnout group to realize the design of a seamless line.
Disclosure of Invention
It is an object of the present invention to provide a method, apparatus, device and readable storage medium for designing a seamless track to improve the above problems.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
in one aspect, an embodiment of the present application provides a method for designing a seamless track, where the method includes:
acquiring first information, second information and third information, wherein the first information comprises a space structure of a turnout steel rail piece, the second information comprises a connection relation between a turnout fastener and the turnout steel rail piece, and the third information comprises a connection relation between a turnout track bed and a turnout switch sleeper;
performing coordinate processing on the spatial structure of the turnout steel rail member to obtain the spatial structure of the steel rail member after coordinate processing;
establishing a turnout unit model according to the space structure of the steel rail piece after the coordinate processing, the second information and the third information;
calculating according to the turnout unit model to obtain the displacement of the turnout beam corresponding to the turnout unit model;
calculating according to the displacement of the turnout beams corresponding to at least two turnout unit models to obtain fourth information, wherein the fourth information comprises the translation of the seamless connection of the turnout beams corresponding to two adjacent turnout unit models;
and connecting the turnout unit models according to the fourth information to complete the design of the cross-section seamless route.
In a second aspect, an embodiment of the present application provides a seamless line design apparatus, including:
the system comprises an acquisition module, a display module and a control module, wherein the acquisition module is used for acquiring first information, second information and third information, the first information comprises a spatial structure of a turnout steel rail piece, the second information comprises a connection relation between a turnout fastener and the turnout steel rail piece, and the third information comprises a connection relation between a turnout track bed and a turnout switch sleeper;
the first processing module is used for carrying out coordinate processing on the spatial structure of the turnout steel rail piece to obtain the spatial structure of the steel rail piece after coordinate processing;
the establishing module is used for establishing a turnout unit model according to the space structure of the steel rail piece after the coordinate processing, the second information and the third information;
the first calculation module is used for calculating according to the turnout unit model to obtain the displacement of the turnout beam corresponding to the turnout unit model;
the second calculation module is used for calculating displacement of turnout beams corresponding to at least two turnout unit models to obtain fourth information, and the fourth information comprises translation of seamless connection of turnout beams corresponding to two adjacent turnout unit models;
and the second processing module is used for connecting the turnout unit models according to the fourth information to complete the inter-section seamless line design.
In a third aspect, an embodiment of the present application provides a seamless line design apparatus, which includes a memory and a processor. The memory is used for storing a computer program; the processor is adapted to implement the steps of the above-described method of jointless design when executing said computer program.
In a fourth aspect, the present application provides a readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps of the above-mentioned seamless line design method.
The invention has the beneficial effects that:
on the basis of the traditional single-group turnout span interval seamless line, the single-group turnout is compiled into a unitized module, namely a turnout unit model, and the displacement of a turnout beam corresponding to each turnout unit model is calculated to obtain the displacement of a turnout unit connecting point needing seamless connection, so that the seamless connection of a span interval seamless line turnout group is guided in an actual new construction or reconstruction project, and the design of the seamless line aiming at the turnout group is realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a seamless line design method according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a seamless track design apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a seamless track design apparatus according to an embodiment of the present invention.
The diagram is marked as 901, an acquisition module; 902. a first processing module; 903. establishing a module; 904. a first calculation module; 905. a second calculation module; 906. a second processing module; 9031. a first acquisition unit; 9032. a first processing unit; 9033. a second processing unit; 9041. a first calculation unit; 9042. a second calculation unit; 9043. a third calculation unit; 9051. an eighth processing unit; 9052. a ninth processing unit; 9053. a tenth processing unit; 90331. a third processing unit; 90332. a fourth processing unit; 90333. a fifth processing unit; 90411. a second acquisition unit; 90412. a sixth processing unit; 90413. a seventh processing unit; 800. a seamless track design device; 801. a processor; 802. a memory; 803. a multimedia component; 804. an I/O interface; 805. and a communication component.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not construed as indicating or implying relative importance.
Example 1:
the embodiment provides a seamless route design method, and it can be understood that in the embodiment, a scenario may be laid, for example, when a high-speed railway is newly built or rebuilt a seamless route across zones, a scenario that multiple sets of switch units need to be seamlessly connected is needed.
Referring to fig. 1, it is shown that the method comprises step S1, step S2, step S3, step S4, step S5 and step S6.
S1, acquiring first information, second information and third information, wherein the first information comprises a spatial structure of a turnout steel rail piece, the second information comprises a connection relation between a turnout fastener and the turnout steel rail piece, and the third information comprises a connection relation between a turnout track bed and a turnout switch tie;
it can be understood that the turnout may be selected from a standard SC330 fixed 12 # 60kg/m turnout, which may be divided into turnout rail members, turnout switch sleepers and track beds, wherein the turnout rail members include a straight stock rail, a curved switch rail, a straight switch rail and two frog heels.
S2, carrying out coordinate processing on the spatial structure of the turnout steel rail member to obtain the spatial structure of the steel rail member after coordinate processing;
it can be understood that the actual layout of the turnout steel rail pieces and the length of each turnout steel rail piece can be obtained according to the space structure of the turnout steel rail pieces, therefore, each turnout steel rail piece can be subjected to coordinate processing according to the space structure of the turnout steel rail pieces, different turnout steel rail pieces are represented by different lines in a finite element unit coordinate system, each line is obtained according to the actual layout and the actual length of the turnout steel rail pieces, each line corresponds to the corresponding structural characteristic of the line, and therefore, six corresponding line areas are obtained according to the six turnout steel rail pieces.
S3, establishing a turnout unit model according to the space structure of the steel rail piece after the coordinate processing, the second information and the third information;
it can be understood that step S3 further includes step S31, step S32 and step S33, where:
step S31, obtaining a first constraint relation and a second constraint relation, wherein the first constraint relation comprises a constraint relation between a straight stock rail and a curved switch rail, and the second constraint relation comprises a constraint relation between two adjacent frog heel ends;
s32, establishing a turnout steel rail piece model based on the first constraint relation and the second constraint relation;
and S33, establishing the turnout unit model according to the turnout steel rail piece model, the second information and the third information.
In this embodiment, in combination with the interaction between the rail areas corresponding to 6 lines of the SC330 fixed 12 # 60kg/m turnout, the constraints including the stopper, the spacer, the joint clamp plate and the like are set in the turnout unit model through the spring model, in addition, the straight stock rail and the straight switch rail are constrained by ki, the heel ends of the two frog are constrained by kj, and the constraint relationship between the rail areas is established based on the constraint conditions.
It can be understood that step S33 further includes step S331, step S332 and step S333, where:
step S331, establishing a turnout fastener unit spring model according to the second information, wherein the turnout fastener unit spring model comprises the force action relation between a turnout steel rail piece and a turnout fastener;
step S332, establishing a track bed unit spring model according to the third information, wherein the track bed unit spring model comprises an action relation of force between a turnout switch tie and a turnout track bed;
and S333, establishing a turnout unit model according to the turnout steel rail piece model, the turnout fastener unit spring model and the track bed unit spring model.
In this embodiment, establish switch fastener unit spring model through the second information, the modeling of switch fastener has been realized, can simulate the interact between switch fastener and the switch rail spare through switch fastener unit spring model, establish railway roadbed unit spring model through third information, the modeling of railway roadbed has been realized, can simulate the interact between railway roadbed and the switch sleeper through railway roadbed unit spring model, wherein, switch fastener unit spring model is multi-direction model with railway roadbed unit spring model, at least, including perpendicular switch rail spare and two directions of parallel switch rail spare, the model construction of switch basis module has been accomplished from this, switch unit model promptly.
S4, calculating according to the turnout unit model to obtain the displacement of the turnout beam corresponding to the turnout unit model;
it can be understood that step S4 further includes step S41, step S42 and step S43, where:
step S41, calculating according to the turnout unit model to obtain a displacement array, a rigidity matrix and a load array of the turnout switch sleeper on the track bed, wherein the displacement array comprises the relation between displacement and load of preset steel rail nodes, the rigidity matrix of the turnout switch sleeper comprises the rigidity relation of the turnout switch sleeper on the track bed, and the load array comprises the balance relation between the loads of the preset steel rail nodes;
it can be understood that the stiffness matrix of the switch tie on the continuous elastic track bed can be directly derived by a finite element method, and therefore, obtaining the stiffness matrix of the switch tie according to the switch element model is a technique well known to those skilled in the art, and is not described herein in detail, it is to be noted that calculating according to the switch element model to obtain the displacement array specifically includes obtaining a first preset point and a second preset point, where the first preset point is a point corresponding to the rail when the rail is not subjected to telescopic displacement, and the second preset point is a point corresponding to the rail after the rail is subjected to telescopic displacement; obtaining a temperature force corresponding to a first preset point according to the first preset point, and obtaining a temperature force corresponding to a second preset point according to the second preset point; and when the concentration force exists between the first preset point and the second preset point, obtaining the displacement array based on the temperature force corresponding to the first preset point and the temperature force corresponding to the second preset point. The specific calculation formula is as follows:
in the above formula, u ri Is a displacement of point i, u r(i-1) Is a shift of the point i-1, p i Is the temperature force at i, p i-1 The displacement array can be obtained by selecting different points on the steel rail based on the formula to calculate, wherein the temperature force at the position i-1, the concentration force F, the length of the turnout beam unit, the elastic modulus of the steel rail E and the sectional area of the steel rail A are respectively shown as the following formula, and the preset points are not limited to the point i and the point i-1, and also comprise the point i-2 and the point i-3 of 82308230and the like.
It can be understood that step S41 further includes step S411, step S412, and step S413, where specifically:
step S411, acquiring temperature force information and resistance information, wherein the temperature force information comprises temperature forces on two sides of a steel rail node preset on a turnout beam, and the resistance information is resistance of a turnout fastener;
step S412, obtaining constraint force information based on the first constraint relation and the second constraint relation of the turnout unit model, wherein the constraint force information comprises constraint force acting on a steel rail node preset on a turnout beam;
it will be appreciated that the stopper, spacer iron resistance is considered to be the concentrated force F acting intermediate the rail.
And step S413, establishing a load array according to the temperature force information, the resistance information and the constraint force information.
In this embodiment, let the rail joint move leftward relative to the switch tie, and let the temperature force on the left side of the rail joint i be p i The temperature force on the right side of the rail joint i is p i-1 The resistance of the turnout fastener is R ci Therefore, when there is a concentrated force on the right side of the rail joint i, a balance equation of the temperature force at the point i can be obtained, wherein the equation is specifically:
p i ＝p i-1 -R ci +F。
in the above formula, p i Is the temperature force at i, p i-1 Is the temperature force at i-1, R ci The resistance of the turnout fastener is F is the concentrated force, wherein the selection of the points is not limited to i point and i-1 point, but also comprises i-2 point and i-3 point \8230, 8230and the like, and different points on the steel rail are selected based on the formula to be calculated, so that the displacement array can be obtained.
S42, establishing a balance relation among the displacement array, the turnout switch tie rigidity matrix and the load array by using a potential energy stagnation value principle;
it is understood that the equilibrium relationship is specifically:
[K s ]{u s }＝{p s }
in the above formula, K s ，u s ，p s Respectively a rigidity matrix, a displacement array and a load array of the turnout switch sleeper on the track bed.
And S43, calculating according to the balance relational expression to obtain the displacement of the turnout beam corresponding to the turnout unit model.
It can be understood that the displacement corresponding to the steel rail can be calculated according to the load borne by the steel rail according to the balance relation.
S5, calculating according to the displacement of the turnout beams corresponding to at least two turnout unit models to obtain fourth information, wherein the fourth information comprises the translation amount of seamless connection of the turnout beams corresponding to two adjacent turnout unit models;
it can be understood that step S5 further includes step S51, step S52 and step S53, where:
s51, performing mirror image processing on the turnout unit model by using the mirror image relationship of a coordinate system to obtain turnout unit models in four different turnout opening directions;
it can be understood that, the turnout unit model is converted on a coordinate axis by using a mirror image relationship of a coordinate system to obtain four turnout unit models with different turnout opening directions, wherein the turnout unit models are specifically a first turnout unit model, a second turnout unit model, a third turnout unit model and a fourth turnout unit model, and the first turnout unit model is a turnout unit model of a first quadrant; the second turnout unit model is symmetrical about the Y axis and is positioned in a second quadrant; the third turnout unit model is a turnout unit model formed by centering on the origin center, and is positioned in a third quadrant; the fourth turnout unit model is symmetrical about the X axis and is positioned in the fourth quadrant.
S52, obtaining coordinate information corresponding to the connection point of each turnout unit model according to the four turnout unit models with different turnout opening directions;
it will be appreciated that the coordinates of the connection points of the first switch unit model are known from the two-dimensional coordinate system, and therefore, the coordinates of the connection points of each switch unit model can be determined from the mirror image of the coordinate system.
And S53, calculating according to coordinate information corresponding to each turnout unit model connection point and the displacement of a turnout beam corresponding to each turnout unit model to obtain fourth information, wherein the fourth information comprises the translation amount for seamlessly connecting a second turnout unit model with a first turnout unit model, the first turnout unit model is a turnout unit model arranged at a connection section between turnouts, and the second turnout unit model is a turnout unit model matched with the first turnout unit model in turnout opening direction.
It is understood that, for example: according to practical demand in the field, choose for use and open to assorted second switch unit model with first switch unit model and carry out jointless track's connection, the coordinate that the point of connection of known first switch unit model corresponds and the displacement volume of the switch roof beam that first switch unit model corresponds, can obtain the actual tie point coordinate that first switch unit model arranged behind the linkage segment between the switch, can obtain the coordinate that the point of connection of second switch unit model corresponds through the mirror image relation of coordinate axis, again according to the displacement volume of the switch roof beam that second switch unit model corresponds, can obtain the actual tie point coordinate that second switch unit model arranged behind the linkage segment between the switch, according to the actual tie point coordinate of first switch unit model and the actual tie point coordinate of second switch unit model can obtain the translation volume that second switch unit model and first switch unit model carry out seamless connection, can guide jointless track's connection design through this volume.
And S6, connecting the turnout unit models according to the fourth information to complete the design of a cross-section seamless line.
Example 2:
as shown in fig. 2, the present embodiment provides a device for designing a seamless line, where the device includes an obtaining module 901, a first processing module 902, an establishing module 903, a first calculating module 904, a second calculating module 905, and a second processing module 906.
The acquiring module 901 is configured to acquire first information, second information and third information, where the first information includes a spatial structure of a turnout rail member, the second information includes a connection relationship between a turnout fastener and the turnout rail member, and the third information includes a connection relationship between a turnout track bed and a turnout switch tie;
the first processing module 902 is configured to coordinate the spatial structure of the turnout rail member to obtain a spatial structure of the rail member after the coordinate processing;
the establishing module 903 is used for establishing a turnout unit model according to the space structure of the steel rail piece after the coordinate processing, the second information and the third information;
the first calculation module 904 is configured to calculate according to the turnout unit model to obtain a displacement of a turnout beam corresponding to the turnout unit model;
the second calculation module 905 is configured to calculate according to displacement amounts of the turnout beams corresponding to at least two turnout unit models to obtain fourth information, where the fourth information includes a translation amount of a seamless connection between the turnout beams corresponding to two adjacent turnout unit models;
and a second processing module 906, configured to connect the switch unit models according to the fourth information, so as to complete inter-interval jointless track design.
In a specific embodiment of the present disclosure, the establishing module 903 further includes a first obtaining unit 9031, a first processing unit 9032, and a second processing unit 9033, where:
the first obtaining unit 9031 is configured to obtain a first constraint relation and a second constraint relation, where the first constraint relation includes a constraint relation between a straight stock rail and a curved switch rail, and the second constraint relation includes a constraint relation between two frog heel ends that are adjacent to each other;
the first processing unit 9032 is configured to establish a turnout steel rail model based on the first constraint relationship and the second constraint relationship;
and the second processing unit 9033 is configured to establish the turnout unit model according to the turnout steel rail piece model, the second information, and the third information.
In a specific embodiment of the present disclosure, the second processing unit 9033 further includes a third processing unit 90331, a fourth processing unit 90332, and a fifth processing unit 90333, where:
the third processing unit 90331 is configured to establish a turnout fastener unit spring model according to the second information, where the turnout fastener unit spring model includes an action relationship between a turnout steel rail member and a turnout fastener;
a fourth processing unit 90332, configured to establish a track bed unit spring model according to the third information, where the track bed unit spring model includes an action relationship between a turnout switch tie and a turnout track bed;
and the fifth processing unit 90333 is used for establishing a turnout unit model according to the turnout steel rail piece model, the turnout fastener unit spring model and the track bed unit spring model.
In a specific embodiment of the present disclosure, the first calculating module 904 further includes a first calculating unit 9041, a second calculating unit 9042, and a third calculating unit 9043, where:
the first calculation unit 9041 is used for calculating according to the turnout unit model to obtain a displacement array, a turnout switch tie stiffness matrix and a load array, wherein the displacement array comprises the relationship between displacement and load of preset steel rail nodes, the turnout switch tie stiffness matrix comprises the relationship between stiffness of the turnout switch tie on a track bed, and the load array comprises the balance relationship between loads of the preset steel rail nodes;
the second calculation unit 9042 is configured to establish a balance relational expression among the displacement array, the turnout switch tie stiffness matrix and the load array by using a potential energy stagnation value principle;
and the third calculation unit 9043 is configured to perform calculation according to the balance relational expression to obtain a displacement of the turnout beam corresponding to the turnout unit model.
In a specific embodiment of the present disclosure, the first computing unit 9041 further includes a second obtaining unit 90411, a sixth processing unit 90412, and a seventh processing unit 90413, where:
the second acquisition unit 90411 is used for acquiring temperature force information and resistance information, wherein the temperature force information comprises temperature forces on two sides of a preset steel rail node on a turnout beam, and the resistance information is resistance of a turnout fastener;
a sixth processing unit 90412, configured to obtain constraint force information based on the first constraint relationship and the second constraint relationship of the turnout unit model, where the constraint force information includes a constraint force acting on a preset steel rail node on a turnout beam;
and the seventh processing unit 90413 is configured to establish a load array according to the temperature force information, the resistance information, and the constraint force information.
In a specific embodiment of the present disclosure, the second calculating module 905 further includes an eighth processing unit 9051, a ninth processing unit 9052, and a tenth processing unit 9053, where:
the eighth processing unit 9051 is configured to perform mirror image processing on the turnout unit model by using a mirror image relationship of a coordinate system, so as to obtain turnout unit models of four different turnouts in opening directions;
a ninth processing unit 9052, configured to obtain, according to the four switch unit models in different switch directions, coordinate information corresponding to a connection point of each switch unit model;
a tenth processing unit 9053, configured to calculate, according to each coordinate information that switch unit model connection point corresponds and each displacement amount of the switch beam that switch unit model corresponds, to obtain fourth information, the fourth information includes the translation amount that seamlessly connects second switch unit model and first switch unit model, first switch unit model is the switch unit model that has set up the connection section between switches, second switch unit model for with first switch unit model switch is to assorted switch unit model.
It should be noted that, regarding the apparatus in the above embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be described in detail here.
Example 3:
corresponding to the above method embodiments, the present embodiment further provides a jointless track designing device, and a jointless track designing device described below and a jointless track designing method described above may be referred to in correspondence with each other.
Fig. 3 is a block diagram illustrating a seamless wire design apparatus 800 in accordance with an example embodiment. As shown in fig. 3, the seamless design apparatus 800 may include: a processor 801, a memory 802. The seamless wire design apparatus 800 may also include one or more of a multimedia component 803, an i/O interface 804, and a communication component 805.
The processor 801 is configured to control the overall operation of the seamless line design apparatus 800 to perform all or part of the steps of the seamless line design method. The memory 802 is used to store various types of data to support operation of the seamless wire design apparatus 800, such data may include, for example, instructions for any application or method operating on the seamless wire design apparatus 800, as well as application-related data, such as contact data, messaging, pictures, audio, video, and so forth. The Memory 802 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically Erasable Programmable Read-Only Memory (EEPROM), erasable Programmable Read-Only Memory (EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk. The multimedia components 803 may include screen and audio components. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may further be stored in the memory 802 or transmitted through the communication component 805. The audio assembly also includes at least one speaker for outputting audio signals. The I/O interface 804 provides an interface between the processor 801 and other interface modules, such as a keyboard, mouse, buttons, and the like. These buttons may be virtual buttons or physical buttons. The communication component 805 is used for wired or wireless communication between the jointless design apparatus 800 and other devices. Wireless communication, such as Wi-Fi, bluetooth, near field communication (NFC for short), 2G, 3G, or 4G, or a combination of one or more of them, so the corresponding communication component 805 may include: wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the jointless design apparatus 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described jointless design method.
In another exemplary embodiment, a computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the above-described method of seamless run design is also provided. For example, the computer readable storage medium may be the memory 802 described above that includes program instructions that are executable by the processor 801 of the seamless wire design apparatus 800 to perform the seamless wire design method described above.
Example 4:
corresponding to the above method embodiment, a readable storage medium is also provided in this embodiment, and a readable storage medium described below and a seamless track design method described above may be referred to in correspondence.
A readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of seamless run design of the above method embodiments.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and various other readable storage media capable of storing program codes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method of jointless track design, comprising:
acquiring first information, second information and third information, wherein the first information comprises a space structure of a turnout steel rail member, the second information comprises a connection relation between the turnout fastener and the turnout steel rail member, and the third information comprises a connection relation between a turnout track bed and a turnout sleeper;
performing coordinate processing on the spatial structure of the turnout steel rail piece to obtain the spatial structure of the steel rail piece after coordinate processing;
establishing a turnout unit model according to the space structure of the steel rail piece after the coordinate processing, the second information and the third information;
calculating according to the turnout unit model to obtain the displacement of the turnout beam corresponding to the turnout unit model;
calculating displacement of turnout beams corresponding to at least two turnout unit models to obtain fourth information, wherein the fourth information comprises translation of seamless connection of turnout beams corresponding to two adjacent turnout unit models;
and connecting the turnout unit models according to the fourth information to complete the design of the cross-section seamless route.
2. The method of designing a jointless track according to claim 1 wherein calculating based on the switch unit models to obtain the displacement of the switch beams corresponding to the switch unit models comprises:
calculating according to the turnout unit model to obtain a displacement array, a turnout switch tie rigidity matrix and a load array, wherein the displacement array comprises the relationship between displacement and load of preset steel rail nodes, the turnout switch tie rigidity matrix comprises the rigidity relationship of turnout switch ties on a track bed, and the load array comprises the balance relationship between loads of the preset steel rail nodes;
establishing a balance relation among the displacement array, the turnout switch tie rigidity matrix and the load array by utilizing a potential energy stagnation value principle;
and calculating according to the balance relation to obtain the displacement of the turnout beam corresponding to the turnout unit model.
3. The method of claim 2, wherein calculating based on the switch unit models to obtain a displacement array, a switch tie stiffness matrix and a load array comprises:
acquiring temperature force information and resistance information, wherein the temperature force information comprises temperature forces on two sides of a preset steel rail node on a turnout beam, and the resistance information is resistance of a turnout fastener;
obtaining constraint force information based on a first constraint relation and a second constraint relation of the turnout unit model, wherein the constraint force information comprises constraint force acting on a preset steel rail node on a turnout beam;
and establishing a load array according to the temperature force information, the resistance information and the constraint force information.
4. The method of designing a jointless track according to claim 1 wherein the fourth information obtained by calculating the displacement of the switch beam corresponding to at least two switch unit models comprises:
carrying out mirror image processing on the turnout unit model by utilizing the mirror image relationship of a coordinate system to obtain four turnout unit models with different turnout opening directions;
obtaining coordinate information corresponding to the connection point of each turnout unit model according to the four turnout unit models with different turnout opening directions;
and calculating according to the coordinate information corresponding to each turnout unit model connection point and the displacement of the turnout beam corresponding to each turnout unit model to obtain fourth information, wherein the fourth information comprises the translation amount for seamlessly connecting a second turnout unit model with a first turnout unit model, the first turnout unit model is a turnout unit model arranged at the connection section between turnouts, and the second turnout unit model is a turnout unit model matched with the turnout opening direction of the first turnout unit model.
5. A jointless track design apparatus comprising:
the system comprises an acquisition module, a switching module and a switching module, wherein the acquisition module is used for acquiring first information, second information and third information, the first information comprises a spatial structure of a turnout steel rail piece, the second information comprises a connection relation between a turnout fastener and the turnout steel rail piece, and the third information comprises a connection relation between a turnout track bed and a turnout sleeper;
the first processing module is used for carrying out coordinate processing on the spatial structure of the turnout steel rail piece to obtain the spatial structure of the steel rail piece after coordinate processing;
the establishing module is used for establishing a turnout unit model according to the space structure of the steel rail piece after the coordinate processing, the second information and the third information;
the first calculation module is used for calculating according to the turnout unit model to obtain the displacement of a turnout beam corresponding to the turnout unit model;
the second calculation module is used for calculating according to the displacement of the turnout beam corresponding to at least two turnout unit models to obtain fourth information, and the fourth information comprises the translation amount of seamless connection of the turnout beams corresponding to two adjacent turnout unit models;
and the second processing module is used for connecting the turnout unit models according to the fourth information to complete the inter-section seamless line design.
6. The device of claim 5, wherein the first computing module comprises:
the first calculation unit is used for calculating according to the turnout unit model to obtain a displacement array, a turnout switch tie rigidity matrix and a load array, wherein the displacement array comprises the relation between displacement and load of preset steel rail nodes, the turnout switch tie rigidity matrix comprises the rigidity relation of turnout switch ties on a track bed, and the load array comprises the balance relation between loads of the preset steel rail nodes;
the second calculation unit is used for establishing a balance relation among the displacement array, the turnout switch stiffness matrix and the load array by utilizing a potential energy standing value principle;
and the third calculation unit is used for calculating according to the balance relational expression to obtain the displacement of the turnout beam corresponding to the turnout unit model.
7. The device according to claim 6, wherein the first calculation unit includes:
the second acquisition unit is used for acquiring temperature force information and resistance information, wherein the temperature force information comprises temperature forces on two sides of a preset steel rail node on a turnout beam, and the resistance information is resistance of a turnout fastener;
the sixth processing unit is used for obtaining constraint force information based on the first constraint relation and the second constraint relation of the turnout unit model, wherein the constraint force information comprises constraint force acting on a steel rail node preset on a turnout beam;
and the seventh processing unit is used for establishing a load array according to the temperature force information, the resistance force information and the constraint force information.
8. The apparatus of claim 1, wherein the second computing module comprises:
the eighth processing unit is used for carrying out mirror image processing on the turnout unit model by utilizing the mirror image relationship of the coordinate system to obtain four turnout unit models with different turnout opening directions;
the ninth processing unit is used for obtaining coordinate information corresponding to the connecting point of each turnout unit model according to the turnout unit models of the four different turnout opening directions;
and the tenth processing unit is used for calculating the displacement of the turnout beam corresponding to the turnout unit model according to the coordinate information corresponding to the turnout unit model connection point and each turnout unit model to obtain fourth information, wherein the fourth information comprises the translation amount for seamlessly connecting a second turnout unit model with a first turnout unit model, the first turnout unit model is a turnout unit model which is arranged at a connection section between turnouts, and the second turnout unit model is a turnout unit model which is opened to be matched with the first turnout unit model.
9. A jointless track design apparatus comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method of seamless rail design according to any of claims 1 to 4 when executing said computer program.
10. A readable storage medium, characterized by: the readable storage medium has stored thereon a computer program which, when executed by a processor, carries out the steps of the method of seamless run design according to any of claims 1 to 4.
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