CN114386207B - Suspension point-based contact network three-dimensional model construction method - Google Patents
Suspension point-based contact network three-dimensional model construction method Download PDFInfo
- Publication number
- CN114386207B CN114386207B CN202210298636.3A CN202210298636A CN114386207B CN 114386207 B CN114386207 B CN 114386207B CN 202210298636 A CN202210298636 A CN 202210298636A CN 114386207 B CN114386207 B CN 114386207B
- Authority
- CN
- China
- Prior art keywords
- suspension point
- suspension
- point
- model
- points
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides a suspension point-based contact net three-dimensional model construction method, which comprises the following steps of: s1: according to a design drawing, determining the position of a suspension point in the contact net three-dimensional model, and S2: compiling the ID number of the suspension point, S3: building part models above and below the suspension point respectively, S4: and establishing the association relation between the suspension point and the component model by compiling the ID numbers of the component models above the suspension point and below the suspension point. The invention adopts the X-shaped model structure based on the suspension points, realizes the fusion of different data streams above the suspension points and below the suspension points, and provides a new construction idea for data concentration, information sharing and three-dimensional model centralized management.
Description
Technical Field
The invention belongs to the field of contact network model construction, and particularly relates to a suspension point-based contact network three-dimensional model construction method.
Background
The requirements of rapid development and operation quality of national railways and rail transit provide higher requirements for fine display and analysis of national railway and rail transit contact network equipment. The contact network equipment comprises a support column, a contact suspension anchor section, a central anchor knot, a support column, a geomagnetic induction device, an electric connection, a line switch, a contact suspension, a positioning device, a supporting device, an isolating switch, a lightning arrester, a contact suspension, a compensating device, an anchor dropping device, a segmented/split-phase insulator, a soft crossing, a hard crossing, an insulator and a grounding device. The connection relationship between the equipments is complicated and has no unified rule, each hundred meters contains about 80 parts, such as the Jinghushi high-speed rail, and the whole line is about 2800 kilometers, i.e. 2.8 ten thousand kilometers. The existing domestic contact net three-dimensional construction method is to construct models in the order from bottom to top, the number of bottom models is extremely large, the bottom models and the upper models are in single-line connection, and errors in the bottom models are directly related to whether the existing system can normally operate.
With the intensive research and popularization of a three-dimensional model system of a contact network, a bottom model with huge volume and an inverted V-shaped construction mode with gradually accumulated errors need to be optimized, and the optimal solution of the number of management models and the management precision is realized. Further achieving the industry development concept of contact network system parameterization and systematization. Based on the problems, a method for quickly constructing a three-dimensional model of a contact network based on suspension points is needed, and the problems that the quantity of a middle-bottom layer model constructed by the existing three-dimensional model of the contact network is huge and the fault tolerance rate is extremely low are solved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a suspension point-based catenary three-dimensional model construction method, which changes the construction sequence of a three-dimensional model, utilizes the suspension point as a middle element to carry out up-and-down compatible management, realizes the association of suspension points and component models above and below the suspension points through ID numbers, reduces the model size and improves the fault tolerance rate.
The technical scheme adopted by the invention is as follows: a contact net three-dimensional model building method based on suspension points comprises the following steps:
s1: determining the position of a suspension point in the three-dimensional model of the overhead line system according to a design drawing;
s2: compiling the ID number of the suspension point, wherein the ID number of the suspension point sequentially comprises a line number, a station area, a row number, a kilometer sign, a pillar/davit number and a suspension point number; the suspension point numbers are sequentially specified according to a traditional design method;
s3: respectively constructing component models above a suspension point and below the suspension point;
s4: establishing an incidence relation between the suspension point and the component model by compiling the ID numbers of the component models above the suspension point and below the suspension point;
the ID number of the part model above the suspension point sequentially comprises a line type, a station area, a part type number and a suspension point number of the suspension point;
the ID numbers of the part models below the suspension point include line identification, station area, row identification, kilometer post, post/davit number, and part type number in that order.
Further, the component model above the suspension point comprises a contact suspension anchor section, a central anchor knot, a support column, a suspension column, a geomagnetic induction device, an electric connection, a line fork, a contact suspension, a segmentation/split phase insulator, a soft cross, a hard cross and an insulator, and the component model below the suspension point comprises a positioning device, a supporting device, an isolating switch, a lightning arrester, a compensating device, a lower anchor device and a grounding device.
Further, establishing an n-1 incidence relation between the suspension point and a component model above the suspension point, wherein n is more than or equal to 1; and establishing an association relation of 1-1 between the suspension point and the component model below the suspension point.
The working principle is as follows: the suspension point is a mark symbol for bearing the design information of the overhead line system and has a unique identifier under a three-dimensional coordinate system. Based on the X-shaped model structure of the middle layer element (suspension point), suspension point identification information (ID number of suspension point) provides pointer functionality for data transfer above and below the suspension point.
And establishing a mapping relation between the parts above the suspension points and the suspension points in a 1-n mode. The parts above the suspension point obtain unique three-dimensional coordinates through the incidence relation and the design principle. The mapping relationship is embodied in that the ID numbers of the parts above the suspension points contain the suspension point numbers of all the related suspension points.
The parts below the suspension point establish a mapping relation with the suspension point in a 1-1 mode. The parts below the suspension point obtain unique three-dimensional coordinates through the association relation and the design principle. The mapping relationship is embodied in that the ID numbers of the parts below the suspension points contain identification information of the related unique suspension points, namely, the ID numbers of the related suspension points contain line type, station area, row type, kilometer post and pillar/davit number.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the X-shaped model structure based on the suspension points, realizes the fusion of different data streams above the suspension points and below the suspension points, and provides a new construction idea for data concentration, information sharing and three-dimensional model centralized management.
2. According to the method, the suspension points are used as identification marks, the part models above the suspension points and below the suspension points are respectively constructed, the model quantity is determined by the number of the suspension points, the model quantity is greatly reduced, the number of hectometer-containing parts is about 2, which is about 1/40 of the existing construction method, the number of the part models required for constructing the three-dimensional model of the contact network is greatly reduced, the application range of the three-dimensional model is expanded, and the hardware requirement on equipment is reduced.
3. The invention adopts an X-shaped unidirectional construction method based on suspension points, unidirectional data transmission is carried out between the suspension points and above and below the suspension points, and the direction of the unidirectional data transmission is that the suspension points are transmitted to the positions above and below the suspension points. Error information below the suspension point cannot be transmitted to the suspension point and above the suspension point, and the error tolerance of the three-dimensional model and the basic data of the contact network is greatly improved and the complexity of the equipment management of the contact network is reduced.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a model diagram of a build according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a suspension point-based catenary three-dimensional model building method, which comprises the following steps of:
s1: and determining the position of the suspension point in the three-dimensional model of the overhead line system according to a design drawing.
S2: and compiling the ID number of the suspension point, wherein the ID number of the suspension point sequentially comprises a line number, a station area, a row number, a kilometer post number, a support post/hanging post number and a suspension point number. The suspension point numbers are sequentially assigned according to a design drawing and a traditional design method.
S3: the method comprises the steps of respectively constructing component models above a suspension point and below the suspension point, wherein the component models above the suspension point comprise a contact suspension anchor section, a central anchor knot, a support column, a suspension column, a geomagnetic induction device, an electric connection, a line fork, a contact suspension, a segmentation/split-phase insulator, a soft cross, a hard cross and an insulator, and the component models below the suspension point comprise a positioning device, a supporting device, an isolating switch, a lightning arrester, a compensating device, a lower anchor device and a grounding device.
S4: and establishing an incidence relation between the suspension point and the component model by compiling the ID numbers of the component models above the suspension point and below the suspension point, and completing the construction of the contact network three-dimensional model.
Establishing n-1 incidence relation between the suspension point and the part model above the suspension point, wherein n is more than or equal to 1; and establishing an association relation of 1-1 between the suspension point and the component model below the suspension point. The ID numbers of the component models above the suspension point include, in order, the line type, the station area, the component type number, and the suspension point number of the suspension point, and the ID numbers of the component models below the suspension point include, in order, the line type, the station area, the line type, the kilometer post, the post/davit post number, and the component type number.
The model constructed by the method is shown in fig. 2, and the association relationship between the suspension point and the component model will be described with reference to fig. 2. In fig. 2, suspension point a is located on suspension post 001#, and suspension point B and suspension point C are located on suspension post 002 #. Suspension points D and E are located on strut 003 #. The electrical connection 1 is suspended between suspension point a and suspension point B. The electrical connection 2 is suspended between suspension point B and suspension point C. The electrical connection 3 is suspended between the suspension point D and the suspension point E. And an isolating switch is arranged at the suspension point A.
The ID number of the suspension point A is HKX-HYZ-01-254.042-001-00018, wherein HKX is a line-Hu Kun line, HYZ is a station area-lake edge station, 01 is a line-up line, 254.042 is a kilometer scale, 001 is a hanging column number, and 00018 is a suspension point number.
The ID number of the davit 001# consists of: HKX-HYZ-006- [00018], wherein HKX is line Hu Kun line, HYZ is station-lake edge station, 006 is part number of hanging column, 00018 is associated hanging point number. The 1-1 mapping incidence relation of the suspension column 001# is realized through common fields of the line, the station area and the suspension point number and the suspension point A.
The ID number of the suspension point B is HKX-HYZ-02-254.042-002-.
The ID number of electrical connection 1 consists of: HKX-HYZ-008- [00018,00020], wherein HKX is a line Hu Kun line, HYZ is a station-lake edge station, 008 is a part type number of an electric connection, and 00018,00020 is an associated suspension point number. The electric connection 1 realizes the incidence relation of 1-2 mapping with the suspension point A and the suspension point B through the common fields of the line number, the station area and the suspension point number.
The ID number of the isolating switch comprises: HKX-HYZ-01-254.042-001-00018-2011GK, wherein HKX is a line-Hu Kun line, HYZ is a station area-lake edge station, 01 is a line-up line, 254.042 is a kilometer post, 001 is a hanging post number, 00018 is a hanging point number, and 2011GK is the part type number of the isolating switch. The isolation switch realizes the incidence relation of 1-1 mapping through the common fields of the line identification, the station area, the row identification, the kilometer post and the suspension post number and the suspension point A.
The ID number of the suspension point D is HKX-HYZ-04-254.884-003-00021, wherein HKX is line-Hukun line, HYZ is station area-lake edge station, 04 is line-other, 254.884 is kilometer scale, 003 is column number, 00021 is suspension point number.
The ID number of the suspension point E is HKX-HYZ-02-254.928-003-00022, wherein HKX is a line-Hu Kun line, HYZ is a station area-lake edge station, 02 is a line-descending line, 254.928 is a kilometer scale, 003 is a column number, and 00022 is a suspension point number.
The ID number of strut 003# consists of: HKX-HYZ-007- [00021, 00022], wherein HKX is a line Hu Kun line, HYZ is a station-lake edge station, 007 is a part type number of a strut, and 00021, 00022 are associated suspension point numbers. The pillar 003# realizes the association relationship of 1-2 mapping with the suspension point D and the suspension point E through the common fields of the line number, the station area and the suspension point number.
The present invention has been described in detail with reference to the embodiments, but the description is only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The scope of the invention is defined by the claims. The technical solutions of the present invention or those skilled in the art, based on the teaching of the technical solutions of the present invention, should be considered to be within the scope of the present invention, and all equivalent changes and modifications made within the scope of the present invention or equivalent technical solutions designed to achieve the above technical effects are also within the scope of the present invention.
Claims (2)
1. A contact network three-dimensional model construction method based on suspension points is characterized by comprising the following steps: the method comprises the following steps:
s1: determining the position of a suspension point in the three-dimensional model of the overhead line system according to a design drawing;
s2: compiling the ID number of the suspension point, wherein the ID number of the suspension point sequentially comprises a line number, a station area, a row number, a kilometer sign, a pillar/davit number and a suspension point number;
s3: respectively constructing component models above a suspension point and below the suspension point;
s4: establishing an incidence relation between the suspension point and the component model by compiling the ID numbers of the component models above the suspension point and below the suspension point; establishing n-1 incidence relation between the suspension point and the part model above the suspension point, wherein n is more than or equal to 1; establishing an incidence relation of 1-1 between the suspension point and a component model below the suspension point;
the ID number of the part model above the suspension point sequentially comprises a line type, a station area, a part type number and a suspension point number of the suspension point;
the ID number of the part model below the suspension point sequentially comprises a line number, a station area, a row number, a kilometer post, a support column/hanging post number and a part type number;
an X-shaped model structure based on suspension points; the suspension points are used as identification marks, component models above the suspension points and below the suspension points are respectively constructed, and the model quantity is determined by the number of the suspension points; the suspension point and the part above and below the suspension point are in one-way data transmission, the direction of the one-way data transmission is that the suspension point transmits to the part above and below the suspension point, error information below the suspension point cannot transmit to the part above the suspension point and the part above the suspension point, and the like.
2. The suspension point-based catenary three-dimensional model building method according to claim 1, characterized in that: the component model above the suspension point comprises a contact suspension anchor section, a central anchor knot, a support column, a suspension post, a geomagnetic induction device, an electric connection, a line fork, a contact suspension, a segmented/split-phase insulator, a soft cross, a hard cross and an insulator,
the part model below the suspension point comprises a positioning device, a supporting device, an isolating switch, a lightning arrester, a compensating device, an anchoring device and a grounding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210298636.3A CN114386207B (en) | 2022-03-25 | 2022-03-25 | Suspension point-based contact network three-dimensional model construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210298636.3A CN114386207B (en) | 2022-03-25 | 2022-03-25 | Suspension point-based contact network three-dimensional model construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114386207A CN114386207A (en) | 2022-04-22 |
| CN114386207B true CN114386207B (en) | 2022-06-24 |
Family
ID=81204781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210298636.3A Active CN114386207B (en) | 2022-03-25 | 2022-03-25 | Suspension point-based contact network three-dimensional model construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114386207B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327749A (en) * | 2008-06-18 | 2008-12-24 | 中铁十一局集团电务工程有限公司 | High-speed rail contact system complete compensating door type elastic chain type hanging construction method |
| CN101337515A (en) * | 2008-01-29 | 2009-01-07 | 中铁四局集团有限公司 | Execution method of integral hanging simple chain type suspension contact screen on electrified railroad |
| CN103268364A (en) * | 2013-01-05 | 2013-08-28 | 中铁四局集团电气化工程有限公司 | Railway contact net support structure customization method |
| CN110641319A (en) * | 2019-10-23 | 2020-01-03 | 中铁九局集团电务工程有限公司 | Construction method for erecting overhead line system of ascending and descending crossover line of electrified railway |
| WO2021022768A1 (en) * | 2019-08-07 | 2021-02-11 | 宁波圣瑞思工业自动化有限公司 | Control method, control system, and departure actuating mechanism control method for hanging assembly line |
| CN112948954A (en) * | 2021-04-16 | 2021-06-11 | 中铁第四勘察设计院集团有限公司 | Three-dimensional modeling method and system for overhead line system cantilever positioning device with driving constraint |
| CN114030394A (en) * | 2021-11-29 | 2022-02-11 | 中铁十一局集团电务工程有限公司 | Subway contact net full-parameter trackless measurement construction method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009311B (en) * | 2020-09-17 | 2021-09-28 | 西南交通大学 | Full-parameter customized catenary dropper pre-allocation method and system |
| CN113177284A (en) * | 2021-04-30 | 2021-07-27 | 中铁第四勘察设计院集团有限公司 | Parameterized contact network three-dimensional BIM design method and device, electronic equipment and storage medium |
-
2022
- 2022-03-25 CN CN202210298636.3A patent/CN114386207B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337515A (en) * | 2008-01-29 | 2009-01-07 | 中铁四局集团有限公司 | Execution method of integral hanging simple chain type suspension contact screen on electrified railroad |
| CN101327749A (en) * | 2008-06-18 | 2008-12-24 | 中铁十一局集团电务工程有限公司 | High-speed rail contact system complete compensating door type elastic chain type hanging construction method |
| CN103268364A (en) * | 2013-01-05 | 2013-08-28 | 中铁四局集团电气化工程有限公司 | Railway contact net support structure customization method |
| WO2021022768A1 (en) * | 2019-08-07 | 2021-02-11 | 宁波圣瑞思工业自动化有限公司 | Control method, control system, and departure actuating mechanism control method for hanging assembly line |
| CN110641319A (en) * | 2019-10-23 | 2020-01-03 | 中铁九局集团电务工程有限公司 | Construction method for erecting overhead line system of ascending and descending crossover line of electrified railway |
| CN112948954A (en) * | 2021-04-16 | 2021-06-11 | 中铁第四勘察设计院集团有限公司 | Three-dimensional modeling method and system for overhead line system cantilever positioning device with driving constraint |
| CN114030394A (en) * | 2021-11-29 | 2022-02-11 | 中铁十一局集团电务工程有限公司 | Subway contact net full-parameter trackless measurement construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114386207A (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106878951B (en) | User trajectory analysis method and system | |
| EP2740115B1 (en) | Generating an od matrix | |
| CN110365111A (en) | A kind of power distribution network topology automatic identification method, apparatus and system based on power line communication | |
| Feitelson et al. | The implications of differential network flexibility for spatial structures | |
| CN102915636A (en) | Traffic signal instrument control strategy comprehensive performance validity test system and method | |
| CN110418285A (en) | A kind of method for building up and device of radio map | |
| CN113884077B (en) | Operation period common speed railway control network and test method thereof | |
| CN108108389A (en) | Urban traffic control system based on BIM technology | |
| CN109283564A (en) | A kind of localization method and system of mobile terminal | |
| CN109032816A (en) | A kind of Power quality management system shared drive multi-computer communication synchronous method | |
| CN107102833A (en) | Line information interactive approach and electronic equipment | |
| CN102469112B (en) | Position tracking implementation method, Apparatus and system | |
| CN107832386A (en) | A kind of error correction method and apparatus of electronic map | |
| CN114386207B (en) | Suspension point-based contact network three-dimensional model construction method | |
| CN110326323A (en) | A kind of method and apparatus obtaining emission probability, transition probability and sequence positioning | |
| CN102883272A (en) | RFID technology-based displacement sensing positioning system and positioning method thereof | |
| CN108469600A (en) | A kind of dynamic network relative positioning method | |
| CN201867868U (en) | Tourism information interaction system based on internet and mobile phone | |
| CN109520499A (en) | Region isochronal method in real time is realized based on vehicle GPS track data | |
| CN108021638A (en) | A kind of unstructured address resolution system of offline geocoding | |
| CN114363824B (en) | Commute track depiction method and system based on MR (magnetic resonance) position and road GIS (geographic information System) information | |
| CN106875321A (en) | A kind of real-time automatic generation method of train line spatial data | |
| CN108805336A (en) | It is a kind of to choose the method and device for sharing shaft tower based on power grid GIS | |
| CN111711959B (en) | Method for arranging large-core-number OPGW (optical fiber composite overhead ground wire) connection points based on 5G communication multi-service fusion | |
| CN109041153A (en) | A kind of intelligentized wireless network access method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |