31results about How to "Improve transportation economics" patented technology

The invention provides a dedicated flatcar body for a railway container and a container conveying system. The dedicated flatcar body comprises two end beams, two side beams, two towing beams and a plurality of cross beams; the two end beams are arranged at an interval and in parallel; the two side beams are arranged at an interval and in parallel; the end parts of the side beams and the end partsof the end beams are connected; the two end beams and the two side beams form a rectangular frame structure; the side beams are of a variable cross-section fish belly structure; the heights of the middles of the side beams are larger than the heights of the ends; each towing beam comprises a middle beam and two connecting beams; the heads of the middle beams are connected with the middles of the end beams; the tail parts of the middle beams are connected with first ends of the two connecting beams; the middle beams and the two connecting beams form a herringbone structure; second ends of the two connecting beams are separately connected onto the two side beams; and the two ends of the cross beams are separately connected onto the two side beams. The dedicated flatcar body for the railway container and the container conveying system can convey two 40-foot containers synchronously, the transmission efficiency is improved, and meanwhile, a side beam bearing structure is adopted, so that the vehicle dynamics property is improved.

The invention discloses a railway side dump car, which is characterized in that the upper cross section of each side door of the side dump car is small, the lower cross section of each side door of the side dump car is large, and the upper cross section is determined by calculation according to the minimum impact load of goods on the side doors. The camber angle of each side door is increased by 8-10 degrees. The height of each side door is increased, and the maximum relative distance between the tops of the two side doors is within the outer width of the lower part of a carriage. According to the railway side dump car disclosed by the invention, through the improvement on the structure of the carriage, the limit is fully utilized, and the lateral dimension of the carriage is increased; and on the premise of meeting the antidumping safety requirement of dumping operation, the internal height of the carriage is increased. The capacity of the carriage is increased through the combination of the modes, the full load need in transporting main trend granular goods is met, and the economic benefit of transportation is improved.

The invention discloses a magnetic brake and friction brake combined mixed brake and an operating mode switching method thereof. A brake caliper body side is provided with a magnetic brake fixing frame which is fixedly connected with a steering knuckle; the magnetic brake fixing frame is axially fixedly connected with the outer ends of each permanent magnet and each magnetic conducting block; an inner end side of each permanent magnet is provided with an iron core; an inner end of the iron core is fixedly connected with a magnetic conducting plate, and a side face of the iron core is connected with an upper end of a push rod; a lower end of the push rod extends into an oil cylinder; a coil winding is wound outside the iron core; a pair of permanent magnets, iron cores, magnetic conductingplates, coil windings, push rods and oil cylinders are arranged and symmetrically distributed on two sides of a brake disc; and both ends of each oil cylinder are provided with an oil way interface. Retarding brake can be switched back and forth among electromagnetic brake, permanent magnet brake and electromagnetic and permanent magnet brake, the brake requirement of an automobile under different working conditions is met, braking force of electromagnetic and permanent magnet superposed brake is higher than that of only permanent magnet brake, and more needed brake torque in the process of braking the automobile can be borne; and heat-resistant recession of the brake and riding comfort are improved.

The invention discloses a gondola car, a movable top cover and a driving device of the movable top cover. The driving device of the movable top cover comprises a transmission mechanism for being arranged on a car body, the transmission mechanism comprises a transfer part for installing the top cover and capable of moving in the length direction of the car body, a touching part fixed to the transfer part, and a contact device capable of being connected with the touching part in an abutting mode, wherein when the car body travels in the length direction of the car body, the contact device movesrelative to the traffic car body in the length direction of the car body, and the contact device can drive the transfer part to move in the length direction of the car body to open and close the top cover through the touching part. According to the driving device of the movable top cover, the contact device moves relative to the traffic car body, and thus the transmission mechanism is driven to operate to open and close the top cover. The contact device is not arranged on the car body, compared with the prior art, a power device is not required to be installed on the car body, the weight of the whole car is decreased, and the transport economical efficiency is improved; and the cost is also lowered.

The invention discloses a rail wagon top cover open-close system and a ground head meeting device thereof. The ground head meeting device comprises a bracket assembly, a first driving part and a headmeeting assembly. The first driving part is mounted on the bracket assembly and is provided with a telescopic end, and the telescopic direction of the telescopic end is perpendicular to the vertical direction and is capable of expanding and contracting in the lateral direction of a vehicle. The head meeting assembly is mounted at the telescopic end of the first driving part. According to the ground head meeting device, installation of complicated drive mechanisms on each compartment of a rail wagon can be avoided, the weight of a vehicle body and cost can be greatly reduced, and the transportation economy is improved; and meanwhile, only the relevant dimensions of the installation of the ground head meeting device need to be adjusted for different vehicle types, the application range is wide, and the adaptability is strong.

The invention provides a locomotive driver controller operation simulation device comprising a simulation device connected between a driver controller and a locomotive control unit, wherein the insideof the simulation device is provided with a plurality of switching devices. Each switching device is connected to a switch quantity output end and an analog value output end of the driver controller;each switching device includes a switch quantity switching circuit and an analog quantity switching circuit; the switch quantity switching circuit includes a first manual driving transfer switch thatconnects the driver controller and the locomotive control unit and a first automatic driving transfer switch that connects the locomotive intelligent driving system and the locomotive control unit; and the analog quantity switching circuit includes a second manual driving transfer switch that connects the driver controller and the locomotive control unit, and a second automatic driving switch that connects the locomotive intelligent driving system and the locomotive control unit. According to the invention, the driver operating state is transmitted to an external host computer device througha processor, so that the external device can view the locomotive operating state in real time, and has the supervision function for the safe operation of the locomotive.

The invention discloses an opening device for a side door of a rail wagon. The opening device comprises a side door plate which is matched with a door hole of a side wall plate of a carriage, a fold strip is fixedly arranged on the side door plate, the upper end of the fold strip is hinged with a fold seat by a rotating pin, the fold seat is fixedly arranged at the upper part of the door hole of the side wall plate of the carriage, the lower end of the fold strip is hinged with a side door handle by a rotating pin, the upper arm of the side door handle is nested and matched with a handle locking seat under the closed state of the side door plate, the lower arm of the side door handle is inserted into a handle hole for matching under the closed state of the side door plate, the handle locking seat is hinged in the middle of the side door plate by a rotating pin, and a handle hole seat is fixedly arranged at the lower part of the door hole of the side wall plate of the carriage. According to the opening device, a door opening and closing handle is arranged without additional door opening and closing tools, thereby being convenient to operate; and the opening device has a two-stage locking function according to different door gaps needed in transportation, can meet the usage demand of different working conditions, the usage reliability of the opening device for the side door can be improved, and the transportation economic benefits can be increased.

The invention discloses a hydraulic automatic height adjustment, comprising a tubular base and a hollow top cover arranged at the top of the base and capable of sliding up and down along an inner wall of the base, wherein the inner wall of the base and an outer wall of the top cover are attached to form a sealed receiving cavity, a rod-structure integral piston perpendicular to the bottom end surface of the base is arranged in the receiving cavity, the outer periphery of the integral piston is provided with a plunger body in sliding fit with the piston, the top and bottom of the plunger body are provided respectively with an upper seal cover and a lower seal cover mating with the integral piston, and the top of the plunger body is also extended up to form a circular boss. The volume of each hydraulic oil cavity in a vehicle is changed by vertical reciprocation, hydraulic oil is thereby driven to directionally flow in five hydraulic oil cavities by using pressure differences, vertical height is automatically adjusted, and the potential hazard where hook breakage is caused due to a hook height difference between an empty vehicle and a heavily-loaded vehicle.

The invention discloses a lower hopper ridge of a hopper car. The lower hopper ridge of the hopper car is made of aluminum alloy materials, and adopts an integrally molded structure. The lower hopper ridge comprises a lower transverse ridge, a connecting part, a supporting part and stiffening beams, wherein the lower transverse ridge comprises two side plates, and one ends of the side plates are fixedly connected in an acute angle; the connecting part comprises two connecting plates, and one ends of the connecting plates are respectively and fixedly connected with the other ends of the two side plates; an included angle between the two connecting plates is larger than that between the two side plates; the supporting part comprises two supporting plates arranged oppositely, and the two supporting plates are respectively and fixedly connected with the other ends of the two connecting plates. Through the adoption of the lower hopper ridge of the hopper car, the dead weight of the lower hopper ridge can be greatly lowered under the situation that the operating requirements of the lower hopper car are met, the improvement of the loading of the car is facilitated, and the lower hopper ridge solves the technical problem that because a lower hopper ridge in the prior art adopts a steel welded structure, the dead weight of the lower hopper ridge is large, and the lower hopper ridge is adverse to the improvement of the loading of the car.

The invention discloses a high-speed grinding train for rails. The high-speed grinding train comprises a grinding operating train and grinding devices with grinding assemblies. Each grinding device further comprises a grinding frame, the grinding frame is a square frame, two U-shaped beams are opposite to each other and are integrally connected with each other by short crossbeams to form the square frame, two ends of each short crossbeam are connected with the U-shaped beams by hinge pins, the short crossbeams can slide up and down along the hinge pins, the two grinding assemblies of the grinding device are parallelly mounted in the grinding frame, two ends of each rotary frame are rotatably connected with the grinding frame, at least one end of each rotary frame is provided with a rotation driving device, the upper portion of the grinding frame is hinged with the bottom of a carriage of the grinding operating train by a lift cylinder, and support wheels are mounted on the lower portion of the grinding frame. The high-speed grinding train is high in stability, and can meet grinding requirements of various roads, skylight operation is omitted, a grinding procedure is controllable and adjustable, full surfaces of the rails can be ground, and the high-speed grinding train is safe and environment-friendly.