1403results about "Locomotives" patented technology

A system and method generate a trip plan for a trip of a vehicle system along a route. The usage of an engine during the trip is determined based on engine operational parameters, energy storage device operational parameters, and one or more objectives of the trip desired to be achieved. The usage of the energy storage device during the trip is also determined based on the engine operational parameters, the energy storage device operational parameters, and the one or more objective, including when to charge or discharge the energy storage device during the trip.

The invention provides a metro driver abnormal behavior recognition method based on multi-modal data fusion. The method comprises the steps that metro driver abnormal behaviors are recognized based on multi-modal data fusion, track positioning and platform screen door sensor data are fused to detect the position of a train, and a station entering confirmation instruction is generated; according to the data of the seat pressure distribution sensor, driver off-seat inspection is judged; generating an outbound completion event in combination with a track circuit signal, an ATO instruction and the like; analyzing console touch pressure, voice instructions, hand actions and the like to verify operation compliance, and triggering an alarm when the operation is abnormal; aggregating results at edge computing nodes, encrypting and transmitting the aggregated results to a central scheduling system, dynamically mapping driver behaviors in a digital twin cockpit, and automatically triggering hierarchical alarms and associating data snapshots when the driver behaviors are abnormal; according to the invention, accurate recognition and real-time early warning of subway driver behaviors can be realized by means of multi-modal data fusion and intelligent analysis, and the subway operation safety and the emergency response efficiency are greatly improved.

The invention relates to a rack rail trapped rail vehicle, a driving unit and a swing frame assembly, and belongs to the technical field of rack rail trapped rail vehicles. The swing frame assembly runs on the rack rail and comprises a fixed seat and a swing frame pivoted with the fixed seat through a hinge shaft; two rollers in rolling contact with the top surface of the special-shaped rail on the corresponding side are arranged on one side of the swing frame at intervals, and two brake assemblies are arranged on the other side of the swing frame at intervals; each brake assembly comprises a first brake block, a second brake block and a double-acting oil cylinder, the double-acting oil cylinders drive the two brake blocks to be far away from or close to each other to achieve separation or abutting connection with the peripheral faces of the corresponding idler wheels and the lower surface of the special-shaped rail top plate, and braking and braking releasing are completed. The driving unit comprises a mounting frame and the swing frame assemblies arranged on the two sides of the bottom of the mounting frame. The rack rail clamping vehicle comprises a driving assembly, and the driving unit is installed on a driving frame of the driving assembly. According to the scheme, the swing frame swings in a self-adaptive mode to adapt to track fluctuation, a double-brake structure of the double brake blocks is combined, and the running stability and safety of the rack rail trapped rail vehicle are effectively improved.

The invention provides a backup degradation train control system based on rail transit intelligent perception, the system comprises existing vehicle-mounted signal subsystems loaded at two ends of a train, a vehicle interface, a bridge and an intelligent perception subsystem, the intelligent perception subsystem comprises an ATO, an ATP, an ITE, a perception device and a speed measurement device; the sensing equipment is connected with the existing vehicle-mounted signal subsystem; the switching equipment is used for switching to the intelligent sensing subsystem to run in an autonomous sensing mode when the train with the CBTC is degraded due to a fault, and the existing vehicle-mounted signal subsystem is still maintained in an RM mode; when the train which autonomously perceives running runs to the area with the upgraded CBTC, the vehicle-mounted equipment is switched back to recover running of the train CBTC; the wireless communication device is used for being in wireless connection with the vehicle-mounted signal subsystem and the trackside device. The intelligent sensing subsystem operates when the CBTC breaks down and degrades, toughness is improved, and it is achieved that the train does not get off line in the peak period.

The invention discloses a transverse intelligent deviation rectifying method and system in the mounting and advancing process of a large converter, and belongs to the technical field of deviation rectifying mechanisms. The transverse intelligent deviation rectifying system for the installation and advancing process of the large converter comprises a transverse intelligent deviation rectifying device, a speed detection module, a distance detection module and a control unit which are installed on a rail vehicle, the speed detection module and the distance detection module are respectively used for detecting the running speed of the rail vehicle and the transverse installation deviation distance of the converter on the rail vehicle and feeding back to the control unit, and the control unit is used for controlling the starting and stopping of the transverse intelligent deviation correction device, so that the transverse installation deviation correction of the converter is carried out. By the adoption of the technical scheme, the transverse deviation rectifying efficiency in the converter mounting and positioning advancing process can be effectively improved, the converter mounting and positioning precision can be guaranteed, and the safety in the deviation rectifying process is improved.

The invention relates to a train dormancy awakening method and system based on TACS fusion control, and the method comprises the following steps: before a train is dormant, an AOM stores the position information of the train; in the train dormancy process, the speed measurement positioning board card keeps power supply, the speed measurement positioning module continuously collects speed pulse signals, train position information is calculated, and the train position information obtained through calculation is sent to the AOM; before the train is awakened, the AOM compares the position information obtained from the speed measurement positioning module in real time with the position information stored before dormancy, and whether the train is allowed to be awakened or not is judged based on the comparison result. According to the method, power supply is kept for the speed measurement positioning module during the train sleep period, real-time monitoring of the train position during the sleep period is achieved, meanwhile, through position comparison before wakeup, the wakeup efficiency of the train is improved, and wrong wakeup operation caused by abnormal movement of the train is prevented.

A train coupling method for a virtual coupling control system. The train coupling method comprises: sending a coupling plan to a front train and a rear train which are to be coupled (S10); sending vehicle information of the front train to the rear train, such that the rear train establishes vehicle-to-vehicle communication on the basis of the received vehicle information (S20); exchanging information by means of the vehicle-to-vehicle communication, and controlling the front train and the rear train to approach each other (S30); the front train and the rear train each checking whether a coupling condition is met (S40); the front train and the rear train each sending coupling state information to a radio block center (S50); when it is confirmed that the coupling state information of the front train and the coupling state information of the rear train have been received and are consistent, sending coupling confirmation information to each of the front train and the rear train (S60); and when receiving the coupling confirmation information, the front train and the rear train entering a virtual coupling mode (S70). In the train coupling method for a virtual coupling control system, by means of communication among a front train, a rear train and a radio block center, an operation state is confirmed, and the front train and the rear train enter a virtual coupling state when conditions are suitable, thereby improving line operation efficiency while ensuring coupling flexibility.

The invention discloses a signal control system for a mining locomotive, and aims to solve the problems of weak interference resistance and low safety of a traditional system. The system comprises a signal acquisition module, a dynamic frequency coding processing module, an intelligent decision-making module, an execution module, a communication module and a power supply module. The signal acquisition module acquires the position, speed and environmental parameters of the locomotive through an infrared position, speed and temperature and humidity sensor; the dynamic frequency coding module monitors the signal-to-noise ratio of a sub-band every 10 ms, when the signal-to-noise ratio of the sub-band is lower than 15 dB, the sub-band is automatically switched to a high-signal-to-noise-ratio sub-band larger than or equal to 20 dB, an encryption mapping table is generated for synchronous updating, and the equipment deals with sudden interference through an emergency band. The intelligent decision-making module generates a control instruction, and speed adjustment and parking are achieved through the execution module. An explosion-proof cable and a low-frequency through-the-earth technology are combined for communication, and a power supply is of an explosion-proof type and has multiple protections. The system improves the anti-interference performance and safety of signal transmission, adapts to the mine environment, and supports the intelligent operation of mine transportation.

System, method, and computer program product for determining a route for a container handling vehicle operating on a rail system of an automatic grid-based storage and retrieval system. The method comprising creating a model of the rail system representing the rail system as a finite set of non-overlapping rectangular first zones in a first direction, and a finite set of non-overlapping rectangular second zones in a second direction, wherein the zones are positioned around grid positions that are not accessible by the container handling vehicle, determining overlap information indicative of one or more regions of the rail system in which there is an overlap between a zone of the finite set of first zones and a zone of the finite set of second zones, determining grid position zone information by, for each grid position determining in which of the finite set of first zones and / or the finite set of second zones the grid position is located, receiving a request for a route for at least one container handling vehicle from a first grid position to a second grid position; and determining the route using the model of the rail system.

The invention relates to the field of rail traffic intelligent driving, and discloses a rail car safety state real-time monitoring and early warning system based on deep learning, which comprises a multi-modal data acquisition module for deploying sensors on key components of a rail car and acquiring time sequence data including vibration, temperature, pressure and operation parameters; the cross-modal feature conversion module encodes the collected time sequence data into a three-channel color image; the safety state evaluation module is used for performing deep modeling and feature learning on the three-channel color image, predicting a current state classification result of the rail car in real time, and obtaining a safety state evaluation result of the rail car; and the early warning and intelligent decision-making module is used for carrying out anomaly detection and alarm prompt when potential risks exist in the rail car according to the safety state evaluation result. According to the invention, high-precision early fault identification and automatic early warning are realized.

The invention relates to a caisson transferring system and method, and belongs to the technical field of caisson transportation. According to the caisson transferring method, a capsule trolley, a pushing oil cylinder, a rail, a rail clamping device, an electric water pump, a hydraulic pump station, an electric oil pump and a controller are included; the capsule trolley is used for bearing the caisson; the pushing oil cylinder is connected to the capsule trolley and used for driving the capsule trolley to move. The track is laid in a groove in the ground; the rail clamping device is used for clamping a rail; the electric water pump is used for injecting water into capsules of the capsule trolley; the hydraulic pump station is used for supplying oil to the pushing oil cylinder and a clamping oil cylinder of the rail clamping device; the electric oil pump is used for driving a sliding block on the capsule trolley to move so as to lift the height of the sliding block; the controller is used for controlling the electric water pump and the electric oil pump to work. According to the caisson moving and transporting system and method, the controller is used for controlling the working process of the rail clamping device, the capsule trolley and the pushing oil cylinder, so that automatic moving and transporting of the caisson are achieved.

It is described a container transport vehicle (501′; 501″; 501′″; 501″″,501′″) for operation on a rail system (108) of an automated storage and retrieval system (1), the container transport Y vehicle (501′,501″,501′″; 501″″; 501′″) comprising:—a vehicle body (501a′; 501a″; 501a′″; 501a″″; 501a′″″) defining a vehicle base (501d), four sides (501e), and an upper face (501f′; 501f″) opposite the vehicle base (501d);—a first drive means (501b) for movement of the container transport vehicle (501′,501″; 501′″,501″″; 501′″″) in a first direction (X);—a second drive means (501c) for movement of the container transport vehicle (501′; 501″,501′″; 501″″;501′″″) in a second direction (Y), wherein the second direction (Y) is perpendicular to the first direction (X);—an internal receiving space (20) within the vehicle body (501a′; 501a″;501a′″;501a″″; 501a′″″);—an elevator assembly (10) comprising a first support surface (11) being vertically movable and configured to support a storage container (106);—wherein the vehicle base (501d ) comprises a base opening (502), and at least one of the sides 501b (501e) comprises a side opening (503), the side opening (503) allowing passage of a storage container (106) into the internal receiving space (20) and the base opening (502) allowing the elevator assembly (10) to lower a storage container (106) at least partly therethrough. It is further described an associated system comprising the container transport vehicle and methods of using the container transport vehicle to transfer storage containers between different locations on a rail system.

The invention provides an active train sensing system and method based on thunder and vision fusion. Comprising an acquisition module used for acquiring multi-path image data containing different focal length images and three-dimensional point cloud data corresponding to the front of a train; the time synchronization module is used for generating synchronous image data and synchronous three-dimensional point cloud data; the coordinate transformation module is used for establishing a spatial transformation relation between the three-dimensional point cloud coordinate system and the image coordinate system; the image sensing module is used for inputting the synchronous image data and the three-dimensional point cloud data into the target segmentation network to obtain track coordinates; the point cloud sensing module is used for obtaining three-dimensional point cloud data in front of the train; and the thunder-vision fusion module is used for distributing an accurate center representative coordinate for each obstacle, generating structured obstacle information and outputting the structured obstacle information to a vehicle-mounted train control system. The multi-source sensing information utilization rate can be improved, the track obstacle recognition and three-dimensional positioning precision is improved, and the system sensing stability in a complex scene is enhanced.

The invention belongs to the technical field of automation control, provides a heavy-load locomotive ATO unified type system and method, and solves the problem that customized development needs to be carried out for different vehicle types in the prior art. The method comprises a vehicle-mounted ATO, a locomotive interface unit and a vehicle system. The vehicle-mounted ATO is used for receiving the locomotive state data and sending a control command; the locomotive interface unit is used for acquiring locomotive state data and sending the locomotive state data to the ATO; receiving a control command sent by the ATO; the control command is converted based on the vehicle type of the locomotive, and the converted control command is sent to the vehicle system; and the vehicle system is used for responding to the converted control command sent by the locomotive interface unit. According to the heavy-load locomotive ATO unified type system, the universality of the ATO adaptive to different vehicle types is improved.

The application discloses a traction transformer control cabinet and a rail train, and relates to the technical field of rail transit vehicles.The traction transformer control cabinet comprises a detachable shell and a control module arranged in the detachable shell; wherein the control module is used for determining the fan frequency of the fan in the cooling system of the traction transformer according to the first collection data sent by the whole vehicle controller of the rail train and the second collection data sent by the traction transformer, so as to utilize the fan frequency to perform frequency conversion control on the fan; the first collection signal comprises vehicle speed data, and the second collection signal comprises oil temperature data; through the arrangement of the traction transformer control cabinet, the control module in the traction transformer control cabinet performs frequency conversion control on the cooling fan according to the data such as the vehicle speed of the train and the oil temperature of the traction transformer, the low noise and the intelligentization of the traction transformer are realized, the noise of the rail train can be effectively reduced, and the passenger comfort is improved.

The present application belongs to the field of rail vehicle technology; provide a kind of rail vehicle emergency evacuation device's working circuit and control method, power supply unit in working circuit provides direct current voltage to vehicle zero speed response unit;Vehicle zero speed response unit responds to vehicle zero speed signal, and outputs direct current voltage to skirt interaction unit and folding ladder extension interaction unit;Skirt interaction unit and folding ladder extension interaction unit output voltage to door enable response unit, door enable response unit combines door enable signal input switch gating one side or two sides, and output voltage signal is given to drive response unit, drive the cylinder solenoid valve work.The control method of emergency evacuation device of the present application is suitable for the working circuit of emergency evacuation device of the present application.The present application provides vehicle zero speed response unit and door enable response unit, and control signal is provided to the driver side, can realize man-machine interaction, ensure that equipment is opened in correct side, guarantee the safety of vehicle, track and driver.

To streamline the management of combinations of equipment installed in railway vehicles. [Solution] An equipment system comprising a first device and a second device that are pre-associated and attached to the same railway vehicle, wherein the first device has a first fitting portion that fits into a first mounting base of the railway vehicle, and the second device has a second fitting portion that fits into a second mounting base of the railway vehicle, and also has a combination confirmation base that fits into the first fitting portion.

The invention discloses a hierarchical energy management method for a multi-stack fuel cell hybrid power system. The method comprises the following steps: acquiring the recession state and real-time maximum efficiency of each fuel cell, each lithium battery and each super capacitor of the system; dividing a fuel cell, a lithium battery and a super capacitor with similar decline degrees and maximum efficiency into a region by using a decoupling feature clustering neural network, so as to divide the whole system into a plurality of regions; a nested deep reinforcement learning controller is constructed according to the instantaneous efficiency of the fuel cell, the equivalent hydrogen consumption of the system, the instantaneous decline rate of each power unit, the SOC of the lithium battery and the super capacitor and the operating temperature of the fuel cell, and optimal energy management of each region is realized; and performing system-level coordination scheduling on energy management results of all regions, and realizing cross-region power balance and boundary condition constraint through a central power coordination module. According to the invention, efficient operation and service life protection of a multi-pile hybrid power system in high-power and high-reliability application scenes such as rail transit vehicles are realized.

A ground effect machine GEM) system emphasizes a vehicle capable of ground effect flight with a means to control flight above the ground. Induced drag is reduced by "Lift Span Tech" which comprises an upper-surface trailing propulsor that pushes air above a trailing high-pitch surface to overcome boundary layer separation and promote air flow generating a trailing edge stagnation point due to air's interaction with the ground. Lift Span Tech in combination with a lower cavity both reduces drag and provide aerodynamic lift. Efficiency of the GEM may be increased both due to reduced drag and reduced mechanical resistance, depending on application. Applications include but are not limited to railcars, box trucks, buses, aircraft, automobiles, and boats.

According to the intelligent locomotive and non-locomotive mode train vehicle electronic and electrical architecture method and system, a domain centralized control electronic and electrical architecture is formed through modularization and fusion distributed functions; or the functional controller in the region is integrated into the region controller and is further fused in a cross-domain manner to form an electronic and electrical architecture consisting of the central processing unit and the region controller; cab position domain controllers at the two ends can be arranged according to the characteristics of a locomotive, walking part position domain controllers are arranged at the positions of all walking parts, one or two or more vehicle body position domain controllers and the like are arranged in a mechanical room, and the walking part position domain controllers, the vehicle body position domain controllers and the like can be arranged according to the characteristics of a railway vehicle. A more complex cross-domain fusion algorithm is supported, expansion of intelligent driving, multi-energy collaboration and reconnection control is convenient to access, vehicle data sharing and inter-function collaboration control are achieved, evolution to electrification, electronization and intellectualization is easy, and a cloud and fog management and control-oriented platform can be further achieved.

The invention discloses a rail wagon control information wireless transmission device which comprises a control mainboard, an antenna assembly and a configuration interface, the antenna assembly and the configuration interface are connected with the control mainboard, and the control mainboard is arranged in a train tail control device vehicle-mounted case of a rail freight locomotive and can directly obtain train brake release control information through the configuration interface. And the antenna assembly wirelessly sends the information to the vehicle-mounted monitor, and the vehicle-mounted monitor forms a control instruction and issues the control instruction to each vehicle for execution. A locomotive brake control handle position signal and a balanced air cylinder pressure value are quickly obtained through an acquisition processing unit additionally arranged in a train tail control device vehicle-mounted case and are sent to a railway wagon control information wireless transmission device in real time; after being superposed with a clock signal, the device immediately sends the clock signal to a vehicle-mounted monitor mounted on a vehicle through the wireless communication module, so that the timeliness and reliability of train control information are ensured.

The invention discloses an anti-skid control method for a high-speed train at a higher speed, which comprises the following steps of: firstly, acquiring basic information such as the speed and the axle load of the high-speed train in real time through a sensor, establishing a real-time analysis model by virtue of data, then calculating a real-time adhesion coefficient, and further judging the rail surface state of wheel-rail contact of the high-speed train; the optimal creep rate under the current rail surface condition is calculated based on the information, the traction or braking torque is adjusted through a control strategy by comparing the optimal creep rate with the actual creep rate in real time, anti-skid control adjustment is conducted, and the adhesion utilization rate and operation safety are improved. According to the method, for a high-speed train at a higher speed, the torque is changed through adhesion control, so that anti-skid control is carried out, the adhesion utilization rate and the operation safety are improved, and wheel skid and abnormal abrasion can be effectively restrained.

A system for controlling a hybrid propulsion system includes a computer programmed to obtain altitude and terrain information associated with a predetermined route for the hybrid propulsion system comprising a first energy source and a second energy source. The computer is also programmed to obtain current and forecast ambient weather information associated with the predetermined route of the hybrid propulsion system, determine a power requirement and a torque requirement of the hybrid propulsion system associated with the altitude and the terrain along the predetermined route of the hybrid propulsion system, generate a trip plan to optimize at least one of a plurality of performance parameters of the hybrid propulsion system as the hybrid propulsion system travels along the predetermined route, and preferentially select the first energy source and / or the second energy source based on the trip plan.

The embodiment of the invention relates to the technical field of rail transit, in particular to a train output force adjusting method and device, equipment, a medium and a product program. The invention provides a train output force adjusting method. The train output force adjusting method comprises the steps that current moment information and geographical position information and operation planning information of a target heavy-load combined train are obtained; determining the current train working condition of the target heavy load combined train according to the current moment information and the operation planning information; determining a current line working condition according to the geographical location information and the operation planning information; and according to the current line working condition and the current train working condition, the output power of a main locomotive and the output power of a slave locomotive of the target heavy-load combined train are dynamically adjusted. The traction / electric braking force difference of the master and slave control locomotives is realized to relieve or counteract the inconsistent stress of the front and back of the train caused by the line difference and the train working condition difference, so that the longitudinal impulse of the train is reduced.

The invention relates to a rail transit technology, in particular to a train adhesion sensing method and system. When the train system works in a traction, coasting or electric braking working condition, starting an adhesion sensing mode, configuring an adhesion sensing shaft, and detecting the speed of the train; when the train speed is larger than a first train speed threshold value, the current of the adhesion sensing shaft is controlled, so that the traction force or the electric braking force of the adhesion sensing shaft is balanced with the adhesion force of the adhesion sensing shaft; the traction force or the electric braking force of the adhesion sensing shaft is calculated, and the adhesion coefficient of the adhesion sensing shaft is calculated according to the traction force or the electric braking force; the adhesion coefficient of the adhesion sensing bogie is calculated according to the adhesion coefficient of the adhesion sensing shaft, and the adhesion coefficient of the whole train is calculated according to the adhesion coefficient of the adhesion sensing bogie. According to the method, the adhesion condition of the wheel track in the train operation process is sensed in real time, compared with an existing operation design according to a fixed adhesion coefficient, accurate line state information is provided for train operation, and the safety and efficiency of train operation control are improved.

The present application discloses a rescue system and method for multiple unit trains, which are applied to the technical field of rail transit. The system includes: a rescue trailing car and a leading car to be rescued that is coupled to the rescue trailing car; the emergency traction control line of the rescue trailing car is connected to the emergency traction control line of the leading car to be rescued, and the driver's control cabin at the non-coupling end of the leading car to be rescued is configured to: perform the traction control of the rescue trailing car in the emergency traction mode; the service brake control line of the rescue trailing car is connected to the service brake control line of the leading car to be rescued, and the driver's control cabin at the non-coupling end of the leading car to be rescued is further configured to: when receiving a service brake application command, control the rescue trailing car and the leading car to be rescued to apply the service brake synchronously; when receiving a service brake release command, control the rescue trailing car and the leading car to be rescued to release the service brake synchronously. By applying the solution of the present application, while realizing the push rescue, the rescue in the form of the leading car's lookout is achieved.

The invention relates to the technical field of technological equipment, and discloses an online butt-joint weighing track trolley and a using method.The online butt-joint weighing track trolley comprises a ground track and two movable trolley bodies, the two movable trolley bodies are arranged on the ground track, each movable trolley body comprises a trolley body, a posture adjusting mechanism and a mass center measuring mechanism, the posture adjusting mechanisms are arranged on the trolley bodies, and the mass center measuring mechanisms are arranged on the trolley bodies; the center-of-mass measuring mechanism is arranged on the posture adjusting mechanism and comprises two supporting brackets, four weighing sensors, four lifting assemblies and two rolling rings, the weighing sensors are installed at the four vertexes of the posture adjusting mechanism, one lifting assembly is installed on the outer side of each weighing sensor, and the two rolling rings are installed on the supporting brackets. The supporting bracket can make contact with the weighing sensor through the lifting assembly, the rolling ring is arranged on the supporting bracket, and a weighing barrel section needing to be in butt joint is placed on the inner ring face of the rolling ring. The weight and the mass center of the butt-joint weighing cylinder section are accurately measured through the mass center measuring mechanism and the multi-point mass center measuring method, and the using method shortens the operation process, reduces the workload and saves the production cost.

The application provides a full-automatic driving A-type vehicle pneumatic emergency safety device and belongs to the technical field of rail transit. The control cabinet comprises two groups of vertical skeletons, the vertical skeletons have stands arranged in two sections and sliding on guide sliding blocks, the two sections of the stand are hingedly connected, the bottom end of the stand is connected with a traction steel wire and is wound on a retractable steel wire roller, when evacuating, the lower section of the stand of the control cabinet moves downward along the guide sliding block and is separated from the guide sliding block, the retractable steel wire roller and the traction steel wire pull the lower end of the stand to deflect, then the upper section of the stand moves downward along the guide sliding block so that the top surface of the control cabinet is flush with the vehicle floor, the hiding of the control cabinet is realized under the condition that the space at the bottom of the vehicle is limited, an auxiliary folding ramp is arranged on the vehicle floor and at the side of the control cabinet close to the vehicle head, so that the driver and the passenger in the vehicle head can cross the control cabinet and evacuate through the auxiliary folding ramp, the evacuation congestion problem is avoided, and the safety of the vehicle is higher.

An adjustable roller assembly for a linear rail system carriage has an indexing collar, an eccentric bushing, an adjustable roller, a suspension element, and an adjustment collar. The indexing collar has a first indexing structure. The adjustable roller is rollably mounted to a roller side end of the eccentric bushing. A rolling axis of the adjustable roller is offset from the axis of the adjustable roller assembly. The suspension element is mounted in axial alignment with an adjustment side end of the eccentric bushing. The adjustment collar has a circumferential flange having a second indexing structure. The first indexing structure and the second indexing structure are coupled to rotationally couple the adjustment collar with the suspension element.

The embodiment of the invention provides a train management method, system, device and equipment, a medium and a program product, and the method comprises the steps that in response to an entering request for a rain and snow mode, a rain and snow area and an authorized rain and snow level corresponding to the rain and snow area are determined; determining each train in the rain and snow area, and determining rain and snow reference information corresponding to each train according to the authorized rain and snow level; and the rain and snow reference information is sent to a vehicle-mounted protection system of each train, so that the vehicle-mounted protection system controls a corresponding vehicle-mounted driving system to carry out a train braking test based on the rain and snow reference information, and the train braking test is used for determining the emergency braking rate of the train in the rain and snow mode. By determining the rain and snow area and the authorized rain and snow level, real-time calculation of the rain and snow area and the rain and snow reference information can be realized, and the accuracy of the rain and snow area and the rain and snow reference information is improved; rain and snow reference information is tested through the vehicle-mounted driving system, the accuracy and reliability of the emergency braking rate can be improved, and train operation safety is guaranteed.