812results about "Trolley lines" patented technology

The invention discloses an overhead line system operation digital detection method and an evaluation system, and belongs to the field of rail transit overhead line system intelligent operation and maintenance. The method comprises the steps of collecting multi-source heterogeneous data, identifying data types and performing type-specific intelligent processing and feature extraction; evaluating a future state or risk in combination with the prediction model; applying an adaptive evaluation engine to fuse multi-source information and dynamically adjusting a strategy generation result; and finally feeding back and updating the model and logic. The invention also discloses a system comprising the sensor network, a processing unit, a prediction module, an adaptive evaluation engine and an updating unit. According to the method, through data classification processing, prediction, adaptive evaluation and closed-loop learning, the intelligence, accuracy, foresight and adaptive ability of detection and evaluation are remarkably improved, and an advanced quality control and ability evaluation means is provided for contact network automation / robot operation.

The application discloses a hanging rail type contact wire abrasion detection robot clamping and walking device, which realizes quick, automatic and reliable installation and locking of the detection robot on a narrow tunnel space and a Π-shaped busbar, and discards traditional heavy manual operation. The detection robot can automatically identify and smoothly pass through a pre-tightening bolt on the Π-shaped busbar, realizes uninterrupted continuous detection, overcomes the blockage of fixed obstacles, is not prone to be stuck, and improves the applicability of the overall device.

The invention provides a catenary deicing machine capable of automatically crossing a dropper, which can cross a dropper main body on a catenary main body and comprises a rack, a walking mechanism capable of walking on the catenary main body is arranged on the rack, and a cleaning mechanism and two groups of mounting frames arranged at intervals are further arranged on the rack. A gap for a contact network body to penetrate through is formed between the two sets of installation frames, multiple sets of installation bases are fixedly arranged in the two sets of installation frames and are arranged in a staggered mode, multiple sets of movable bases installed in a sliding mode are arranged in the installation frames, first elastic pieces are arranged between the movable bases and the installation bases, and hanging wheels are arranged on the movable bases. And the change gear shields a gap between the two groups of mounting frames. According to the deicing machine, the droppers can be automatically avoided when the overhead line system main body is deiced, so that continuous deicing operation is realized, the deicing machine does not need to be disassembled and assembled again when the overhead line system main body passes through the droppers, and the practicability and the deicing efficiency of the deicing machine are effectively improved.

The invention provides a railway overhead line system cantilever tool and an installation method, and the railway overhead line system cantilever tool comprises a machine base, a first clamping mechanism, a first moving mechanism, a second clamping mechanism and a second moving mechanism; the first clamping mechanism is used for clamping and supporting the horizontal cantilever; the first moving mechanism is installed on the machine base, connected with the first clamping mechanism and used for driving the first clamping mechanism to move in the length direction of the horizontal cantilever. The second clamping mechanism is used for clamping and supporting the cantilever; the second moving mechanism comprises a rotating piece, a connecting base, a longitudinal moving unit and a transverse moving unit, the rotating piece is connected with the second clamping mechanism and the connecting base, the connecting base is connected with the transverse moving unit, and the longitudinal moving unit is installed on the machine base and connected with the transverse moving unit; the longitudinal moving unit and the transverse moving unit are used for driving the connecting base to move in the longitudinal direction and the transverse direction correspondingly, adjusting the position of the second clamping mechanism and driving the supporting cantilever to rotate around the sleeve after the second clamping mechanism clamps the supporting cantilever. By means of the structure, the postures of all the components are directly adjusted when assembling is conducted on a construction site, the distance between the end, away from the sleeve, of the supporting cantilever and the horizontal cantilever is adjusted to the assembling distance, the assembling speed is high, and efficiency is high.

The invention discloses a mobile contact network direct-current ice melting method, which comprises the following steps that: a monitoring vehicle and an ice melting vehicle are marshaled and run to a designated place, the two vehicles are de-marshaled, the ice melting vehicle is parked to the designated place, and the monitoring vehicle continues to run towards an ice melting section. The ice melting vehicle starts to electrically connect the wire clamp for construction after the contact network is subjected to electricity testing and grounding, and at the moment, the monitoring vehicle collects environment working conditions and icing state information in the ice melting section. And after construction of the electric connecting wire clamp and acquisition of monitoring information are completed, the monitoring vehicle sends an optimal ice melting current value to the ice melting vehicle, and the ice melting vehicle outputs an actual ice melting current after judging that the ice melting vehicle works normally. In the ice melting process, the monitoring vehicle reciprocates in the ice melting section, the icing degree of the contact network is monitored, and when it is monitored that icing disappears, an ice melting stopping instruction is sent to the ice melting vehicle. After ice melting is finished, the contact network is subjected to electricity testing and grounding at the ice melting vehicle, then the electric connecting wire clamp is removed, and the monitoring vehicle runs towards the ice melting vehicle. The technical problems that an existing overhead line system electric heating ice melting device is poor in mobility and low in utilization rate can be solved.

The invention provides a wire clamping type overhead line system elastic sling hydraulic driving device, which belongs to the technical field of overhead line system installation and comprises a supporting beam, a balance weight, a supporting frame and a balance weight adjusting assembly. According to the wire clamping type hydraulic driving device for the elastic sling of the contact network, under the condition of non-extreme strong wind weather, the balance weight can automatically adjust the carrier cable and the contact wire, so that the carrier cable and the contact wire are kept in a straightened state, the use cost input of a hydraulic driving structure is reduced, and the working efficiency is improved. And under the condition of extremely strong wind weather, the carrier cable and the contact line can be adjusted by means of the hydraulic cylinder, so that the carrier cable and the contact line are kept in a straightened state, and the working stability of the carrier cable and the contact line is effectively guaranteed. In addition, the control assembly can timely discover falling of the balance weight and send a warning signal to a worker, the reaction time is shortened, and the operation risk is reduced.

The invention provides a catenary height adjustment method and system, and relates to the technical field of catenary height adjustment, and the method comprises the steps: obtaining the on-site measurement data of the height of a conductor in the span of a catenary; establishing a statics model of the elastic chain type suspension based on a parabola unit hypothesis; calculating the dropper force of each dropper according to the measurement data and the stress balance principle of the parabola unit; the vertical displacement of each node of the carrier cable is solved through a moment balance equation, and then the space coordinates of the carrier cable are obtained; calculating the theoretical length of each dropper according to the coordinates of the carrier cable, the design height of the contact line and the dropper force; and comparing the theoretical length with the dropper length in a standard state to generate a dropper length adjustment strategy. The method provided by the invention not only can realize measurement bottleneck breakthrough, but also can be suitable for complex suspension conditions, and in addition, can also ensure the performability of an adjustment strategy, output a quantified dropper shortening amount and guide accurate construction.

A device for the maintenance of an overhead line system of a track has a handling device and a displacement device. The displacement device serves to displace the handling device between a transport position and a working position. In the working position, the handling device reaches the overhead line system and is able to perform maintenance work by way of a tool. At least one sensor serves for controlling and / or monitoring the handling device. The device thus enables a simple, efficient and safe maintenance of the overhead line system.

A three-rail power supply system includes a power supply having positive, negative, and neutral terminals, a rail system having a power supply end and a termination end, and an asymmetric resistor network. The rail system includes a positive rail, a negative rail, and a ground rail coupled to the positive terminal, the negative terminal, and the neutral terminal, respectively. The negative rail is disposed parallel to the positive rail. The ground rail is disposed in parallel to, and between, the positive rail and the negative rail, and is electrically grounded at a plurality of intervals between the power supply end and termination end. The asymmetric resistor network includes two pairs of resistors asymmetrically coupled to the rail system at the power supply end and termination end, and is configured to limit a fault current through a faulty connection in response the positive, negative, and / or ground rails experiencing the faulty connection.

The invention discloses a sliding contact line power supply mechanism applied to a vertical walking RGV, and relates to the technical field of sliding contact line power supply mechanisms, the sliding contact line power supply mechanism comprises an equipment main body and a sliding contact line, the equipment main body is provided with a guide mechanism, the sliding contact line is slidably provided with a current collector, the current collector is matched with the guide mechanism, the current collector is provided with a plurality of carbon brushes, and the carbon brushes are matched with the guide mechanism. The current collector is provided with a position adjusting assembly and a voltage adjusting assembly which are used for automatically adjusting the contact pressure between the carbon brush and the sliding contact line in a matched mode. The device has the advantages that the contact pressure between the carbon brush and the sliding contact line can be automatically adaptively and accurately adjusted before equipment operation, and the stability of providing electric energy for follow-up equipment main body movement through cooperation of the carbon brush and the sliding contact line can be improved; the contact pressure between the carbon brush and the sliding contact line can be further automatically adjusted in time, and the stability of electric energy provided for the equipment main body through cooperation of the carbon brush and the sliding contact line can be further ensured.

The invention relates to the technical field of overhead line system cantilever installation, in particular to railway overhead line system cantilever installation equipment which comprises a hanging basket fixedly installed with an external climbing crane mechanical arm, an arc-shaped beam is slidably connected to the middle of the hanging basket in a clamped mode, and a first carrying plate and a second carrying plate are fixed to the two sides of the arc-shaped beam respectively. First motors used for driving the arc-shaped beam to rotate are fixed to the two sides of the hanging basket correspondingly, and two second motors are fixed to the top face of the first carrying plate. According to the invention, the motor II drives the poke rod to rotate, so that the inclined cantilever can be automatically inserted into the mounting hole of the lower insulator, and the motor I drives the arc-shaped beam to rotate upwards by taking the hinged position of the lower insulator and the supporting column as the circle center, so that the arc-shaped beam moves the flat cantilever to the position of the mounting hole of the upper insulator; and finally, the whole cantilever is pushed towards the supporting column through the poke rod again, the cantilever is automatically installed between the two insulators, and the cantilever installation efficiency can be improved.

The invention discloses a clamping and walking device of a rail-mounted contact line abrasion detection robot, which realizes rapid, automatic and reliable installation and locking of the detection robot in a narrow tunnel space and on an n-shaped busbar, and abandons traditional heavy manual operation. The detection robot can automatically recognize and stably cross the pre-tightening bolts on the n-shaped busbar, uninterrupted continuous detection is achieved, blocking of fixed obstacles is overcome, clamping stagnation is not prone to occurring, and the applicability of the whole device is improved.

Dynamic energy transfer (DET) systems are costly and time-consuming to install. Accordingly, an installation system is disclosed that comprises stowage for rail segments and poles, two strategically positioned cranes, and / or strategically positioned platforms, to enable less expensive and faster installation of the various components of a DET system. Installation, utilizing the installation system, can significantly decrease the cost of installation, while increasing the rate of installation and maintaining safety.

The embodiment of the invention relates to an overhead line system deicing method and device, equipment and a medium. The method comprises the steps that icing information of a target overhead line system is acquired; wherein the icing information comprises an icing position and an icing thickness; determining ice melting heat corresponding to an ice layer on the target contact net based on the icing thickness, a preset light spot radius and a preset heating temperature, and determining target power based on the ice melting heat; generating a reagent spraying instruction according to the icing position, and sending the reagent spraying instruction to a reagent spraying unit, so that the reagent spraying unit sprays a laser absorption reagent to the icing position; and generating a laser emission instruction according to the target power and the icing position, and sending the laser emission instruction to a laser emission unit, so that the laser emission unit emits deicing laser to the ice layer sprayed with the laser absorption reagent in the icing position at the target power. Therefore, the power of the deicing laser is proper, the laser can be well absorbed by the ice layer, and the deicing efficiency is improved while the damage of the laser to the contact network is reduced.

The utility model relates to a high-speed railway power supply contact line laying device which comprises a movable base, a traction device and an erecting device. The movable base is provided with a supporting seat, walking wheels and a first driving part. The traction device comprises a mounting frame, a cable tray, a rotating shaft, a second driving part and a tension monitoring system; the erecting device is composed of an elevator and an outgoing line guiding device. According to the device, accurate regulation and control of tension in the stringing process are achieved through the control device, the stability and consistency of wire laying are ensured, meanwhile, the device has the multi-stage braking function and the visual monitoring capacity, the construction efficiency and safety are effectively improved, the device adapts to complex working condition requirements, and the quality and reliability of high-speed railway contact wire laying are remarkably optimized.

The electrified rail transit overhead power supply system comprises a stand column, a power supply bow and a power receiving cable, and the stand column is arranged on one side of a rail; the power supply bow is mounted on the upright; the power receiving cable extends in the length direction of the traction locomotive to be arranged on the top of the traction locomotive and makes contact with the power supply bow for electric conduction. The power supply bow transmits power to the traction locomotive through the power receiving cable. The precise butt joint of the power receiving cable and the power supply bow replaces a traditional pantograph and a contact net, and the problems that the traditional contact net is unstable in power supply, prone to being affected by extreme weather, high in construction and maintenance cost and the like are successfully solved. Compared with a traditional contact network, the power supply system is simpler in structure and more convenient to maintain, the maintenance cost and human input are reduced, and a new thought and a new solution are provided for development of the rail transit power supply technology.

The invention relates to the technical field of new energy equipment charging, and particularly discloses an intelligent monitoring system for the charging state of an inland ship, and the system comprises a charging track system which employs a parallel overhead contact network mode; the top of the ship powered device is provided with a liftable pantograph with an intelligent adjusting device; the ship end control system and the central control system are in two-way communication; the ship power supply system comprises a power supply access and power supply conversion system, an intelligent tension adjusting system and a power supply monitoring system and is used for supplementing power to the ship; meanwhile, the intelligent battery management system distributes and dispatches electric energy according to the charging requirement of the ship and the real-time load condition of the overhead contact system; when the high-voltage mains supply is powered off or unstable, the standby power supply system can switch a high-capacity energy storage battery pack mode or a small emergency generator mode; the safety of the ship in the charging process is guaranteed through the safety protection system; the urgent demand that the ship cannot be quickly charged during sailing is solved, and reliable charging service is provided.

A clamping assembly 10 (e.g., jumper clamping assembly for a catenary system) comprises a clamp 100 and a strain relief guide 200 (e.g., sleeve). The clamp comprises first and second clamping members

The invention relates to the technical field of dropper calibration, in particular to an automatic positioning device of high-speed railway catenary dropper calibration equipment, which comprises an unmanned aerial vehicle, an adjusting module and a positioning module, the unmanned aerial vehicle can fly along a catenary, the adjusting module is arranged on the unmanned aerial vehicle, and the adjusting module comprises a connecting mechanism. An adjusting mechanism is arranged at the bottom of the connecting mechanism and comprises a fixing frame. According to the invention, the positioning module is arranged between the two positioning mechanisms at the top, so that the unmanned aerial vehicle can fly along the overhead line system, when the positioning module moves to an approximate calibration position, the positioning module can be clamped on the contact line, the contact line is calibrated through the positioning module, and when a train passes, the unmanned aerial vehicle can fly away from the contact line temporarily, so that the unmanned aerial vehicle can be calibrated. In this way, time does not need to be specially arranged for calibration, only the dropper can be installed in idle time, time does not need to be spent for calibration, and the speed of replacing and installing the dropper can be increased.

The invention relates to the technical field of railway contact networks, in particular to an electrified railway anti-icing contact network and a control system.The device comprises a contact network wire and a brim flow guide structure arranged on the contact network wire in a sleeving mode; the upper part of the catenary wire is an arc-shaped surface, the middle part of the catenary wire is provided with a dovetail groove, and the lower part of the catenary wire is a conductive surface; the shape of the upper portion of the brim diversion structure is consistent with that of the upper portion of the contact network wire, the middle of the brim diversion structure extends towards the two sides to form brim-shaped diversion plates, and the brim-shaped diversion plates are used for guiding airflow to drive freezing rain water drops to slide towards the two sides so as to avoid a conductive surface; the brim-shaped flow guide plate is positioned below the dovetail groove; and after the cap-brim-shaped guide plate is sleeved on the overhead line system wire, the conductive surface can be in contact with the pantograph. Structural innovation and collaborative prevention and control logic are integrated, and the problems that an existing electrified railway anti-icing scheme is single, limited in function and insufficient in adaptability are solved.

The invention relates to a device (1) for mounting and / or dismounting a functional device (10) on / from an overhead electrical line, in particular on / from an overhead line (7) of a railway or trolleybus route, wherein the device (1) comprises the following: - a drone (3) with a flight propulsion system, - a mounting device (13) configured to mount the functional device (10) on the overhead line, and / or a dismantling device configured to dismantle the functional device (10) from the overhead line, - a capture device (15) designed to restrict at least one degree of freedom of movement of the drone (3) during a flight when the overhead line or the functional device (10) mounted on the overhead line is located in a capture area of ​​the capture device (15).

The present invention relates to a method for operating a current collector (10, 33), in which a positioning device (13, 56) moves a contact strip (14, 17, 27) relative to a contact wire and presses the contact strip against the contact wire using a pressing force to reach a sliding contact position, and a drive element (73) and / or a spring element (74) of the positioning device generate the pressing force on the contact strip. The current collector has a power supply unit (50) and a measurement unit (36, 43, 53, 58) having a measuring device (38, 44, 59), and at least two sensors (47, 48) of a sensor element (46) are provided, the power supply unit (50) generates at least the electrical energy required to power the sensor elements, each of the sensors outputs a measurement value, and a processing element (37, 49) processes the measurement value and correlates the measurement value with each other to determine a characteristic value representative of the operating state of the current collector and / or the contact wire. The present invention also relates to a current collector and a monitoring system.

The present application relates to the technical field of railway engineering, and provides a load cable tension compensation control method and system based on multi-sensor fusion, which solves the problems of unstable control effect, insufficient system robustness and adaptability. The method comprises the following steps: obtaining the tension change detected by a strain sensor and the spatial vibration trajectory detected by an acceleration sensor during the dynamic vibration process of the load cable; predicting the target deformation damping range required by the adjustable mechanical buffer device at the anchoring end of the load cable; generating the pulse width and pulse interval corresponding to the deformation damping correction amount according to the tension change, the spatial vibration trajectory and the target deformation damping range; and adjusting the deformation damping parameters of the adjustable mechanical buffer device according to the pulse width and pulse interval, so that the tension fluctuation amplitude converges to the preset fluctuation threshold interval. The present application realizes accurate perception and adaptive compensation of the load cable tension fluctuation, and improves the response speed, stability and environmental adaptability of the control system.

The utility model relates to the technical field of railway catenary erection, and discloses a catenary carrier cable erection auxiliary tool which comprises a hoop used for being connected with a flat cantilever of a catenary in a clamped mode, an inverted L-shaped supporting arm fixedly connected to the top of the hoop and a pulley assembly hung on the supporting arm. The pulley assembly is positioned obliquely above a carrier cable seat on the flat cantilever; the pulley assembly comprises a wheel frame, a hook fixedly connected to the top of the wheel frame and a pulley rotationally connected to the lower portion of the inner side of the wheel frame, a notch is formed in the wheel frame, the pulley is lower than the notch, the carrier cable is erected on the pulley, and the hook is hung on the top of the supporting arm. When being used for mounting the carrier cable, the carrier cable does not need to bypass the end part of the flat cantilever from the lower part of the flat cantilever and then is mounted on the carrier cable seat, so that the moving distance of the carrier cable during mounting can be greatly shortened, and the carrier cable is more convenient and more labor-saving to mount.

The utility model discloses an adjustable AF line suspension anti-swing hanging column structure, which is installed on the top of a tunnel through bolt connection holes and is hinged to a base plate at the upper end and suspended to an AF line through an insulating expansion seat at the lower end. An adjustable length expansion support rod is arranged between the base plate and the hanging column to flexibly adjust the suspension height of the AF line and the distance between the AF line and a PW line to adapt to the error of a preset base. The insulating expansion seat and the expansion support rod cooperate with each other to realize length adjustment and locking, and a knob and a positioning table cooperate to ensure accurate operation.

The invention discloses an arch cantilever type rigid contact network suspension structure, and belongs to the technical field of rigid contact networks. The arch-shaped cantilever type rigid contact network suspension structure comprises a cantilever base, a cantilever insulator, an arch-shaped cantilever, a busbar base and a busbar. The cantilever base is used for being fixed to the tunnel wall, one end of the cantilever insulator is installed on the cantilever base, the arch-shaped cantilever comprises a connecting section and a supporting section which are connected with each other, one end of the connecting section is coaxially connected with the other end of the cantilever insulator, the cantilever insulator and the connecting section are obliquely arranged, the connecting section is parallel to the tunnel middle rail surface, and the supporting section is parallel to the tunnel middle rail surface. The busbar base is fixed at one end of the supporting section back to the connecting section, and the busbar is fixed on the busbar base. According to the arch-shaped cantilever type rigid contact network suspension structure provided by the embodiment of the invention, the rigidity of a suspension point can be relatively small, the non-uniformity of the rigidity between the midspan of a contact network and the suspension point is relatively small, and the height of the whole structure in the vertical direction is relatively small.

Title: System for fixing a tool on equipment located at height The invention relates to a system for fixing a tool on equipment (11) located at height, comprising: - a module (10) to be fixed, the tool being intended to be presented by the module; - a screwdriver (20); - a pole (30) having at one end a frame (302) on which the screwdriver (20) is intended to be mounted; - means for actuating (40) remotely from the screwdriver (20); - a support adapter (50) for the module (10), the support adapter (50) being intended to be mounted on the frame (302); - means for removably coupling the module (10) to the support adapter (50). Figure for the abstract: Fig. 1

The present invention discloses a dual-mode control system for a mobile contact network at a train loading station, comprising a mobile contact network, a transmission shaft, a manual control gear, a driving gear, a driven gear, a sliding frame, a contact suspension, a steel wire rope, a lane-changing dial plate, and a cross-slide coupling; the driven gear is meshed with the driving gear; a cross-slide coupling capable of separating the shaft body is provided on the transmission shaft of the driving gear; the shaft body is an inner and outer sleeve structure, the inner shaft body and the outer sleeve cooperate with each other through a keyway, and a movable gear is fixed on the inner shaft body; the movable gear can move laterally along the direction of the inner and outer sleeve structures following the inner shaft body; a lane-changing dial plate is hinged between the cross-slide coupling and the movable gear that moves laterally following the shaft body; a manual control gear is fixed to the outer shaft sleeve in the rotation direction of the movable gear; by arranging a switching device on the top of the gantry of the mobile contact network, the switching operation can be quickly performed even if the staff is on the ground.

This invention provides a static parameter measurement device for overhead contact lines based on an unmanned aerial vehicle (UAV) platform, belonging to the field of railway overhead contact line inspection technology. It includes a UAV body with a laser measuring device mounted on its top and a telescopic support mounted on its side. The UAV body includes a processor chip, and the laser measuring device is connected to the processor chip. After takeoff, the telescopic support secures the UAV, and the laser measuring device measures the overhead contact line. The measured data is transmitted in real time to the processor chip for processing and analysis, ultimately achieving high-precision measurement of the static parameters of the overhead contact line. By linking the top-mounted laser measuring device with the processor chip, it is possible to conduct inspections and parameter measurements on conventional railway lines outside of designated maintenance windows, achieving high-precision, non-contact distance or terrain measurement, suitable for complex environments, and significantly improving data acquisition efficiency.

The invention provides a rigid contact line reinforcing method, which comprises the following steps of: S101, detecting a contact line on a busbar to be detected, and confirming an abrasion area of the abraded contact line on the busbar; s102, reinforcing modules are installed on the two sides of the busbar; s103, reinforcing contact lines are fixed on the two sides of the busbar in a mirror image mode through a reinforcing module, and then the reinforcing contact lines are adjusted to be parallel to the abrasion contact lines; when the train runs, the top of the carbon sliding plate slides from the unworn position on the wear contact line to the reinforcing contact line and then slides to the unworn position on the wear contact line so as to avoid the wear area of the wear contact line. The problem that manpower and material resources are seriously consumed when an abraded contact line is integrally replaced is solved, and the operation convenience and efficiency of remedying the abraded contact line are improved.