CN114580050B - Axle coupling power analysis system based on multiple complex mechanical effects - Google Patents
Axle coupling power analysis system based on multiple complex mechanical effects Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses an axle coupling power analysis system based on multiple complex mechanical effects, relates to the technical field of axle coupling power analysis, and solves the technical problem that a bridge structure cannot be analyzed in real time in the prior art, and a train passing through an operated bridge in real time is analyzed, so that the running state of the train passing through the bridge in real time is judged, the influence of the train passing through the bridge structure in real time is judged, and whether the influence degree of the bridge structure is qualified is judged, so that the operation efficiency of the bridge structure and the safety performance of train passing are improved; real-time analysis is carried out on a bridge structure through which a train passes, and influence generated when an analysis object passes through the bridge is judged, so that the bridge structure is in a real-time state, and the increase of train passing risk caused by abnormal bridge structure is prevented; the combined beam in the bridge structure is analyzed in real time, and the influence of train passing on the combined beam is judged, so that the stability of the combined beam of the bridge structure is detected, and the safety performance of the bridge structure is improved.
Description
Technical Field
The invention relates to the technical field of axle coupling power analysis, in particular to an axle coupling power analysis system based on multiple complex mechanical effects.
Background
The steel-concrete combined box girder has the advantages of light dead weight, strong crossing capacity, high torsional rigidity and the like, and is widely applied to highway bridge and railway bridge construction. The internal force born in the operation process of the bridge structure comprises axial force, shearing force, bending moment, torque and the like, the section of the combined box girder can generate obvious longitudinal buckling and distortion deformation when the combined box girder is twisted, the concrete top plate and the steel girder bottom plate can also display obvious shearing hysteresis behavior when the structure is wider, meanwhile, the interface can also generate special sliding behavior of the combined girder, and the sliding behavior is easy to generate interface transverse sliding besides typical interface longitudinal sliding when the structure is twisted; therefore, the research on the complex spatial stress characteristics of the composite beam is particularly important for popularization and application of the structural form in engineering.
However, in the prior art, the bridge structure cannot be analyzed in real time, so that the state of the bridge structure cannot be accurately acquired, and the traffic risk is increased; meanwhile, the composite beam in the bridge structure cannot be analyzed, so that the safety performance of the bridge structure is reduced.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to solve the problems, and provides an axle coupling power analysis system based on various complex mechanical effects, which is used for analyzing a train passing through a bridge in real time so as to judge the running state of the train passing through in real time, judge the influence of the train passing through in real time on a bridge structure and judge whether the influence degree of the bridge structure is qualified, thereby improving the running efficiency of the bridge structure and the safety performance of train passing; real-time analysis is carried out on a bridge structure through which a train passes, and influence generated when an analysis object passes through the bridge is judged, so that the bridge structure is in a real-time state, and the increase of train passing risk caused by abnormal bridge structure is prevented; the combined beam in the bridge structure is analyzed in real time, and the influence of train passing on the combined beam is judged, so that the stability of the combined beam of the bridge structure is detected, and the safety performance of the bridge structure is improved.
The aim of the invention can be achieved by the following technical scheme:
the axle coupling power analysis system based on the multiple complex mechanical effects comprises an axle coupling power analysis platform, wherein a server is arranged in the axle coupling power analysis platform, and the server is in communication connection with a train operation analysis unit, a train unbalanced load analysis unit and a combined beam analysis unit;
the axle coupling power analysis platform is used for analyzing stress of the bridge structure in the operation process, the server generates train operation analysis signals and sends the train operation analysis signals to the train operation analysis unit, and the train operation analysis unit is used for analyzing trains passing through the bridge put into operation in real time; generating an analysis signal and an analysis object through analysis, transmitting the analysis signal and the analysis object to a server, generating an unbalanced load analysis signal after the server receives the analysis signal and the analysis object, transmitting the unbalanced load analysis signal to a train unbalanced load analysis unit, and performing real-time analysis through a bridge structure of train passing through the train unbalanced load analysis unit; the server generates a composite beam analysis signal and sends the composite beam analysis signal to the composite beam analysis unit, and the composite beam analysis unit is used for analyzing the composite beam in the bridge structure in real time.
As a specific embodiment of the present invention, the train operation analysis process of the train operation analysis unit is as follows:
setting the real-time passing train as a natural number with the number i being more than 1, collecting the sum of the load weight and the train weight of the real-time passing train, marking the sum of the load weight and the train weight of the real-time passing train as ZLI, collecting the passing speed and the passing speed average acceleration of the real-time passing train, and marking the passing speed and the passing speed average acceleration of the real-time passing train as SDi and JSi respectively;
by the formulaAcquiring operation analysis coefficients Xi of the real-time passing train, wherein a1, a2 and a3 are preset proportional coefficients, a1 is more than a2 and more than a3 is more than 0, beta is an error correction factor, and the value is 1.53;
comparing the operation analysis coefficient of the real-time passing train with an operation analysis coefficient threshold value:
if the operation analysis coefficient of the real-time passing train is more than or equal to the operation analysis coefficient threshold value, judging that the operation analysis of the corresponding real-time passing train is abnormal, generating an analysis signal, marking the corresponding real-time passing train as an analysis object, and transmitting the analysis signal and the analysis object to a server together; if the operation analysis coefficient of the real-time passing train is smaller than the operation analysis coefficient threshold value, judging that the operation analysis of the corresponding real-time passing train is normal, generating a non-analysis signal, marking the corresponding real-time passing train as a non-analysis object, and transmitting the non-analysis signal and the non-analysis object to a server.
As a specific implementation mode of the invention, the unbalanced load process of the unbalanced load analysis unit of the train is as follows:
the method comprises the steps that a bridge structure through which a real-time passing train passes is marked as an analysis object, longitudinal pressure generated by wheels in the analysis object and transverse sliding distance generated by the bridge structure are collected when the real-time passing train passes, and the longitudinal pressure generated by the wheels in the analysis object and the transverse sliding distance generated by the bridge structure are compared with a longitudinal pressure threshold and a transverse sliding distance threshold respectively:
if the longitudinal pressure generated by wheels in the analysis object is greater than the longitudinal pressure threshold value and the transverse sliding distance generated by the bridge structure is greater than the transverse sliding distance threshold value, judging that the unbalanced load analysis is not qualified, generating a bridge maintenance signal and sending the bridge maintenance signal to the server; if the longitudinal pressure generated by wheels in the analysis object is not more than the longitudinal pressure threshold value and the transverse sliding distance generated by the bridge structure is not more than the transverse sliding distance threshold value when the real-time passing train passes through, the unbalanced load analysis is judged to be qualified, and a bridge normal signal is generated and sent to the server.
As a specific embodiment of the present invention, the composite beam analysis process of the composite beam analysis unit is as follows:
the method comprises the steps of collecting longitudinal normal stress after constraint torque is generated by a combined beam during real-time train running and average bearing capacity of each fiber beam unit of the combined beam, and analyzing the longitudinal normal stress after the constraint torque is generated by the combined beam during the real-time train running and the average bearing capacity of each fiber beam unit of the combined beam with a longitudinal normal stress threshold and an average bearing capacity threshold respectively:
if the longitudinal normal stress after the combined beam generates the constraint torque exceeds a longitudinal normal stress threshold value and the average bearing capacity of each fiber beam unit of the combined beam exceeds an average bearing capacity threshold value when the real-time train passes, judging that the corresponding combined beam has influence, generating a combined beam influence signal and transmitting the combined beam influence signal to a server; after receiving the combined beam influence signal, the server generates a combined beam maintenance signal and sends the combined beam maintenance signal to a mobile phone terminal of a manager;
if the longitudinal normal stress of the combined beam after the constraint torque is generated does not exceed the longitudinal normal stress threshold value and the average bearing capacity of each fiber beam unit of the combined beam does not exceed the average bearing capacity threshold value during the real-time train running, judging that the corresponding combined beam has no influence, generating a combined beam influence-free signal and transmitting the combined beam influence-free signal to a server.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the running state of the real-time passing train is judged by analyzing the real-time passing train of the bridge, the influence of the real-time passing train on the bridge structure is judged, and whether the influence degree of the bridge structure is qualified is judged, so that the running efficiency of the bridge structure and the running safety of the train are improved; real-time analysis is carried out on a bridge structure through which a train passes, and influence generated when an analysis object passes through the bridge is judged, so that the bridge structure is in a real-time state, and the increase of train passing risk caused by abnormal bridge structure is prevented; the combined beam in the bridge structure is analyzed in real time, and the influence of train passing on the combined beam is judged, so that the stability of the combined beam of the bridge structure is detected, and the safety performance of the bridge structure is improved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a functional block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an axle coupling power analysis system based on multiple complex mechanical effects includes an axle coupling power analysis platform, in which a server is arranged, and the server is communicatively connected with a train operation analysis unit, a train unbalanced load analysis unit and a combination beam analysis unit;
the axle coupling power analysis platform is used for analyzing stress of the bridge structure operation process, the server generates a train operation analysis signal and sends the train operation analysis signal to the train operation analysis unit, the train operation analysis unit is used for analyzing a train passing through a bridge put into operation in real time, so that the running state of the train passing through the bridge is judged in real time, the influence of the train passing through the bridge structure in real time is judged, whether the influence degree of the bridge structure is qualified is judged, the operation efficiency of the bridge structure and the safety performance of train passing are improved, and the specific train operation analysis process is as follows:
setting the real-time passing train as a natural number with the number i being more than 1, collecting the sum of the load weight and the train weight of the real-time passing train, marking the sum of the load weight and the train weight of the real-time passing train as ZLI, collecting the passing speed and the passing speed average acceleration of the real-time passing train, and marking the passing speed and the passing speed average acceleration of the real-time passing train as SDi and JSi respectively;
by the formulaObtaining operation analysis coefficients Xi of the real-time passing train, wherein a1, a2 and a3 are preset proportion coefficients, a1 is more than a2 and more than a3 is more than 0, beta is an error correction factor, and takingA value of 1.53;
comparing the operation analysis coefficient of the real-time passing train with an operation analysis coefficient threshold value:
if the operation analysis coefficient of the real-time passing train is more than or equal to the operation analysis coefficient threshold value, judging that the operation analysis of the corresponding real-time passing train is abnormal, generating an analysis signal, marking the corresponding real-time passing train as an analysis object, and transmitting the analysis signal and the analysis object to a server together; if the operation analysis coefficient of the real-time passing train is smaller than the operation analysis coefficient threshold value, judging that the operation analysis of the corresponding real-time passing train is normal, generating a non-analysis signal, marking the corresponding real-time passing train as a non-analysis object, and transmitting the non-analysis signal and the non-analysis object to a server together;
after receiving the analysis signal and the analysis object, the server generates an unbalanced load analysis signal and sends the unbalanced load analysis signal to the train unbalanced load analysis unit, and the train unbalanced load analysis unit is used for carrying out real-time analysis on a bridge structure passing through a train and judging the influence generated when the analysis object passes through the bridge, so that the bridge structure is in a real-time state, the increase of the train passing risk caused by abnormal bridge structure is prevented, and the concrete unbalanced load process is as follows:
the method comprises the steps that a bridge structure through which a real-time passing train passes is marked as an analysis object, longitudinal pressure generated by wheels in the analysis object and transverse sliding distance generated by the bridge structure are collected when the real-time passing train passes, and the longitudinal pressure generated by the wheels in the analysis object and the transverse sliding distance generated by the bridge structure are compared with a longitudinal pressure threshold and a transverse sliding distance threshold respectively:
if the longitudinal pressure generated by wheels in the analysis object is greater than the longitudinal pressure threshold value and the transverse sliding distance generated by the bridge structure is greater than the transverse sliding distance threshold value, judging that the unbalanced load analysis is not qualified, generating a bridge maintenance signal and sending the bridge maintenance signal to the server; if the longitudinal pressure generated by wheels in the analysis object is not more than the longitudinal pressure threshold value and the transverse sliding distance generated by the bridge structure is not more than the transverse sliding distance threshold value when the real-time passing train passes through, judging that the unbalanced load analysis is qualified, generating a bridge normal signal and transmitting the bridge normal signal to the server;
the server receives the bridge normal signal, generates a composite beam analysis signal and sends the composite beam analysis signal to the composite beam analysis unit, the composite beam analysis unit is used for analyzing the composite beam in the bridge structure in real time and judging the influence of train passing on the composite beam, so that the stability of the composite beam of the bridge structure is detected, the safety performance of the bridge structure is improved, and the concrete composite beam analysis process is as follows:
the method comprises the steps of collecting longitudinal normal stress after constraint torque is generated by a combined beam during real-time train running and average bearing capacity of each fiber beam unit of the combined beam, and analyzing the longitudinal normal stress after the constraint torque is generated by the combined beam during the real-time train running and the average bearing capacity of each fiber beam unit of the combined beam with a longitudinal normal stress threshold and an average bearing capacity threshold respectively:
if the longitudinal normal stress after the combined beam generates the constraint torque exceeds a longitudinal normal stress threshold value and the average bearing capacity of each fiber beam unit of the combined beam exceeds an average bearing capacity threshold value when the real-time train passes, judging that the corresponding combined beam has influence, generating a combined beam influence signal and transmitting the combined beam influence signal to a server; after receiving the combined beam influence signal, the server generates a combined beam maintenance signal and sends the combined beam maintenance signal to a mobile phone terminal of a manager;
if the longitudinal normal stress of the combined beam after the constraint torque is generated does not exceed the longitudinal normal stress threshold value and the average bearing capacity of each fiber beam unit of the combined beam does not exceed the average bearing capacity threshold value during the real-time train running, judging that the corresponding combined beam has no influence, generating a combined beam influence-free signal and transmitting the combined beam influence-free signal to a server.
The formulas are all formulas obtained by collecting a large amount of data for software simulation and selecting a formula close to a true value, and coefficients in the formulas are set by a person skilled in the art according to actual conditions;
when the system is used, the stress of the bridge structure operation process of the bridge coupling dynamic analysis platform is analyzed, the server generates a train operation analysis signal and sends the train operation analysis signal to the train operation analysis unit, and the train operation analysis unit analyzes the train passing through the bridge put into operation in real time; generating an analysis signal and an analysis object through analysis, transmitting the analysis signal and the analysis object to a server, generating an unbalanced load analysis signal after the server receives the analysis signal and the analysis object, transmitting the unbalanced load analysis signal to a train unbalanced load analysis unit, and performing real-time analysis through a bridge structure of train passing through the train unbalanced load analysis unit; the server generates a composite beam analysis signal and sends the composite beam analysis signal to the composite beam analysis unit, and the composite beam analysis unit is used for analyzing the composite beam in the bridge structure in real time.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (1)
1. The axle coupling power analysis system based on the multiple complex mechanical effects is characterized by comprising an axle coupling power analysis platform, wherein a server is arranged in the axle coupling power analysis platform and is in communication connection with a train operation analysis unit, a train unbalanced load analysis unit and a combined beam analysis unit;
the axle coupling power analysis platform is used for analyzing stress of the bridge structure in the operation process, the server generates train operation analysis signals and sends the train operation analysis signals to the train operation analysis unit, and the train operation analysis unit is used for analyzing trains passing through the bridge put into operation in real time; generating an analysis signal and an analysis object through analysis, transmitting the analysis signal and the analysis object to a server, generating an unbalanced load analysis signal after the server receives the analysis signal and the analysis object, transmitting the unbalanced load analysis signal to a train unbalanced load analysis unit, and performing real-time analysis through a bridge structure of train passing through the train unbalanced load analysis unit; the server generates a composite beam analysis signal and sends the composite beam analysis signal to a composite beam analysis unit, and the composite beam analysis unit analyzes the composite beam in the bridge structure in real time;
the train operation analysis process of the train operation analysis unit is as follows:
setting the real-time passing train as a natural number with the number i being more than 1, collecting the sum of the load weight and the train weight of the real-time passing train, marking the sum of the load weight and the train weight of the real-time passing train as ZLI, collecting the passing speed and the passing speed average acceleration of the real-time passing train, and marking the passing speed and the passing speed average acceleration of the real-time passing train as SDi and JSi respectively;
by the formulaAcquiring operation analysis coefficients Xi of the real-time passing train, wherein a1, a2 and a3 are preset proportional coefficients, a1 is more than a2 and more than a3 is more than 0, beta is an error correction factor, and the value is 1.53;
comparing the operation analysis coefficient of the real-time passing train with an operation analysis coefficient threshold value:
if the operation analysis coefficient of the real-time passing train is more than or equal to the operation analysis coefficient threshold value, judging that the operation analysis of the corresponding real-time passing train is abnormal, generating an analysis signal, marking the corresponding real-time passing train as an analysis object, and transmitting the analysis signal and the analysis object to a server together; if the operation analysis coefficient of the real-time passing train is smaller than the operation analysis coefficient threshold value, judging that the operation analysis of the corresponding real-time passing train is normal, generating a non-analysis signal, marking the corresponding real-time passing train as a non-analysis object, and transmitting the non-analysis signal and the non-analysis object to a server together;
the unbalanced load analysis process of the train unbalanced load analysis unit is as follows:
the method comprises the steps that a bridge structure through which a real-time passing train passes is marked as an analysis object, longitudinal pressure generated by wheels in the analysis object and transverse sliding distance generated by the bridge structure are collected when the real-time passing train passes, and the longitudinal pressure generated by the wheels in the analysis object and the transverse sliding distance generated by the bridge structure are compared with a longitudinal pressure threshold and a transverse sliding distance threshold respectively:
if the longitudinal pressure generated by wheels in the analysis object is greater than the longitudinal pressure threshold value and the transverse sliding distance generated by the bridge structure is greater than the transverse sliding distance threshold value, judging that the unbalanced load analysis is not qualified, generating a bridge maintenance signal and sending the bridge maintenance signal to the server; if the longitudinal pressure generated by wheels in the analysis object is not more than the longitudinal pressure threshold value and the transverse sliding distance generated by the bridge structure is not more than the transverse sliding distance threshold value when the real-time passing train passes through, judging that the unbalanced load analysis is qualified, generating a bridge normal signal and transmitting the bridge normal signal to the server;
the composite beam analysis process of the composite beam analysis unit is as follows:
the method comprises the steps of collecting longitudinal normal stress after constraint torque is generated by a combined beam during real-time train running and average bearing capacity of each fiber beam unit of the combined beam, and analyzing the longitudinal normal stress after the constraint torque is generated by the combined beam during the real-time train running and the average bearing capacity of each fiber beam unit of the combined beam with a longitudinal normal stress threshold and an average bearing capacity threshold respectively:
if the longitudinal normal stress after the combined beam generates the constraint torque exceeds a longitudinal normal stress threshold value and the average bearing capacity of each fiber beam unit of the combined beam exceeds an average bearing capacity threshold value when the real-time train passes, judging that the corresponding combined beam has influence, generating a combined beam influence signal and transmitting the combined beam influence signal to a server; after receiving the combined beam influence signal, the server generates a combined beam maintenance signal and sends the combined beam maintenance signal to a mobile phone terminal of a manager;
if the longitudinal normal stress of the combined beam after the constraint torque is generated does not exceed the longitudinal normal stress threshold value and the average bearing capacity of each fiber beam unit of the combined beam does not exceed the average bearing capacity threshold value during the real-time train running, judging that the corresponding combined beam has no influence, generating a combined beam influence-free signal and transmitting the combined beam influence-free signal to a server.
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