1040results about "Trolley lines" patented technology

The invention discloses a BIM-based high-speed rail overhead line system elastic sling and electric connection prefabrication processing method, and relates to the field of elastic sling processing, and the method comprises the steps: building a knowledge base, and building an initial elastic sling BIM model of a target project through parametric modeling; establishing an initial finite element analysis model of the target project through grid division and material attribute mapping; calculating the internal force and deformation of the elastic sling under the action of the static load by adopting an incremental iteration method; carrying out dynamic time-history analysis by adopting a direct integration method to obtain time-history curves of the elastic sling under different seismic waves; according to static and dynamic analysis results, stress-strain response of the elastic sling is extracted, and the initial elastic sling BIM model is optimized by adopting a topological optimization method with the minimum strain of the elastic sling as the target and the stress constraint of the elastic sling as the condition; and updating the finite element analysis model by using the optimized elastic sling BIM model. According to the method, the parameterized design degree of the elastic sling is improved.

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 utility model relates to the field of railway traffic engineering, and discloses a contact net pillar convenient to overhaul based on a high platform, which comprises a stand column, a stand column base is arranged at the lower end of the stand column, and a cross beam is fixedly connected to the upper end of the side face of the stand column and used for installing a high-voltage wire. A protective wall is arranged on the side face of the stand column base, a handrail is fixedly connected to the upper side face of the protective wall, a riffled plate is arranged at the upper end of the inner wall of the protective wall, and the stand column protective device is arranged between the protective wall and the stand column base. The supporting column can be effectively protected from being affected by the external environment, durability is enhanced, and investment waste is reduced.

This disclosure describes, in part, systems and methods for charging and delivering power to work machines such as machines traveling along a trolley system. The systems and methods provide for a continuous throughput of material and / or machines along the trolley system. The trolley system and controller of the system may be used to cause the work machines to travel at a speed to maximize a throughput rate of the trolley system by causing multiple work machines to share distribution of power to drive propulsion devices and to charge batteries of the work machines selectively to maintain the throughput rate of the trolley system.

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.

An overhead line clamp (100) securable to an overhead line (2), the overhead line clamp (100) comprising: pincer members (102); a hinge (104) to enable the pincer members (102) to actuate between an open position and a closed position, wherein at the closed position the pincer members (102) are configured to secure the overhead line (2); and a hand-operable latch (108) configured to actuate the pincer members (102) between the open position and the closed position.

The simple tool comprises a first lower sleeve and a first telescopic rod inserted in the first lower sleeve, a long-strip-shaped opening is formed in the side wall of the first lower sleeve in the axis direction of the first lower sleeve, a chain block is hung on the portion, above the opening, of the side wall of the first lower sleeve, and the first telescopic rod is inserted in the first lower sleeve. A lifting hook of the chain block is matched with the lower end of the first telescopic rod through the opening, and a supporting base used for supporting the cantilever is arranged at the top of the first telescopic rod. The simple tool convenient for replacing the cantilever insulator of the contact network is simple in structure, comprises a first lower sleeve and a first telescopic rod which are sleeved together, and has scalability, the first telescopic rod can ascend relative to the first lower sleeve through a chain block, the outer end of a flat cantilever is jacked up, the cantilever does not deviate, and the cantilever insulator is convenient to replace. Therefore, the insulator can be replaced safely and quickly, and the guide height change is not caused after the replacement is finished, and the guide height does not need to be adjusted.

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 relates to an ice melting method, device and equipment based on an icing thickness, a medium and a program product. The method comprises the following steps: monitoring the icing thickness of a contact network wire; and in response to the situation that the icing thickness reaches a pre-obtained ice melting interval, direct-current ice melting operation is executed based on preset ice melting parameters, and the ice melting interval is an icing thickness interval in which the ice melting efficiency is higher than a preset threshold value when the direct-current ice melting operation is executed by adopting the preset ice melting parameters. According to the method and the device, the icing thickness on the overhead line system wire is monitored in real time, and the direct-current ice melting operation is executed when the icing thickness is monitored to reach the pre-obtained ice melting interval with relatively high ice melting efficiency, so that the ice melting efficiency of the overhead line system is 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 utility model discloses a foldable high-precision contact network measurement carrier vehicle device, which includes a carrier module, a mobile module and a measurement module. The mobile modules are installed on both sides of the carrier module, and the measurement module is installed on the carrier module; the carrier module includes a carrier vehicle crossbeam, and the carrier vehicle crossbeam includes a first crossbeam and a second crossbeam. The first crossbeam and the second crossbeam are hingedly connected, and the length of the first crossbeam is greater than the length of the second crossbeam. An equipment compartment is arranged in the first crossbeam, and an electronic measurement module is installed in the equipment compartment; the mobile module includes a first side wheel module and a second side wheel module, and the first side wheel module is installed on the outside of the first crossbeam, and the second side wheel module is installed on the outside of the second crossbeam. The device of the utility model provides real-time monitoring of the position and attitude parameters of the carrier vehicle relative to the rail surface coordinate system by adopting a combined measurement of an electronic positioning block and an inclinometer, thereby improving the precision measurement during the pushing process of the carrier vehicle.

The present invention discloses a method and device for correcting catenary detection mileage, the method comprising: obtaining comprehensive detection mileage data collected by comprehensive equipment of a comprehensive detection train; obtaining corrected track detection mileage data according to the comprehensive detection mileage data; obtaining corrected catenary detection mileage data according to a first distance between a track geometry detection device and a comprehensive system in the comprehensive detection train, a second distance between a catenary detection device and the comprehensive system, and corrected track detection mileage data. The present invention can realize correction of catenary detection mileage with high accuracy.

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 provides a tunnel overhead line system davit mounting method, device and equipment, and relates to the technical field of tunnel overhead line system construction equipment.The tunnel overhead line system davit mounting method comprises the steps that S101, a gripper of a second mechanical arm is controlled to grab an overhead line system davit on the ground, and the second mechanical arm is controlled to move the grabbed overhead line system davit to a mounting position of the top of a tunnel; and S102, the first mechanical arm is controlled to act, the manned platform is moved to be close to the installation position, and therefore an operator can conduct installation operation on the overhead line system davit grabbed by the second mechanical arm with the help of the manned platform. Through cooperation of the two mechanical arms, the first mechanical arm and the second mechanical arm can cooperatively install the overhead line system davit, convenience and high efficiency are achieved, and less manual operation is needed.

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.

The invention relates to a general type crimping terminal and an integral dropper of a contact network, which are applied to the integral dropper of the high-speed rail contact network, the crimping terminal is internally provided with a wire through hole through which a dropper wire used by the contact network can penetrate, one crimping terminal is connected with a first dropper wire clamp for clamping a carrier cable, and the other crimping terminal is connected with a second dropper wire clamp for clamping a carrier cable. The other crimping terminal is connected with a second dropper wire clamp for clamping the contact wire; and after the dropper wire passes through the wire through hole, the periphery of the crimping terminal is pressed to limit the displacement of the dropper wire. The crimping terminal of an integrally formed structure is adopted, the two ends of the dropper line are connected with the first current-carrying hole and the second current-carrying hole respectively after passing through the line passing holes, and compared with a connection mode that a current-carrying ring and the dropper line are separated in the prior art, the use reliability is improved; and a process of crimping the current-carrying ring is reduced, so that the integrity of the whole dropper can be ensured even if the crimping part is loosened.

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 utility model relates to an insulating jumper device for a contact network. The device comprises two crimping type cantilever insulator hoops, two jumpers and two pre-twisted T-shaped connection wire clamps, a crimping type cantilever insulator hoop is arranged on the cantilever insulator of the flat cantilever and is connected with a jumper wire; the other crimping type cantilever insulator hoop is arranged on the inclined cantilever insulator and is connected with the other jumper wire; and the two jumpers are combined through one pre-twisted T-shaped connecting wire clamp and are connected with the return cable through the other pre-twisted T-shaped connecting wire clamp. Effective connection between the jumper wires and the cantilever insulator is realized through the crimping type cantilever insulator clamp, vertical connection between the two jumper wires or between the jumper wire and the return cable is realized through the pre-twisted T-shaped connection wire clamp, fixation with the pin insulator is realized through the pre-twisted binding wire, the pre-twisted wire clamp has good anti-fatigue and anti-vibration characteristics, and the pre-twisted binding wire has good anti-fatigue and anti-vibration characteristics. And a bolt fastening structure is not arranged, so that the overall wind resistance and fatigue resistance of the jumper loop are improved.

The invention relates to the technical field of subway rigid catenary installation, in particular to a rigid catenary busbar joint auxiliary adjusting device which comprises a joint adjusting mechanism which comprises two wire clamps, and the outer wall of one wire clamp is fixedly connected with a first L-shaped frame; the shell is fixed at one end of the L-shaped frame I; the gap adjusting mechanism is fixed in the shell and is used for adjusting the size of a joint gap between the two busbars; and the limiting mechanism is fixed on the shell and is used for limiting the gap adjusting mechanism and preventing the gap adjusting mechanism from being influenced by vibration to cause deviation of the adjusted position. According to the invention, the busbar can be horizontally and vertically adjusted to the optimal position quickly by operating the gap adjusting mechanism by personnel, and the busbar with the adjusted position can be limited, so that the mounting quality of the busbar is further ensured, the adjusting precision of a joint can be well controlled, the adjustment is convenient and quick, and the working efficiency is effectively improved.