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

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 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.

The invention belongs to the technical field of railway freight cars, specifically relates to a novel self-dumping car with an axle load of 27t, and solves the problem that a requirement of running of heavy-duty railway freight cars with an axle load of 27t respectively on the existing universal lines cannot be met in the existing self-dumping cars. The novel self-dumping car with the axle load of 27t comprises an underframe assembly, a compartment assembly, a wind-hand braking device, a dumping device, car coupler buffering devices and bogies, wherein the bogies are arranged at the two ends of the underframe assembly; the compartment assembly is arranged at the upper side of the underframe assembly; two rows of wheels are arranged at the lower side of each of the left end and the right end of the underframe assembly; one car coupler buffering device is arranged between each two rows of wheels; the wind-hand braking device used for braking is further arranged on the underframe assembly; and the dumping device capable of dumping the compartment assembly is arranged between the underframe assembly and the compartment assembly.

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 road and railway transportation wagon group and a marshalling method thereof, and relates to the technical field of railway wagons. The road and railway transportation wagongroup comprises at least two road and railway semitrailers, at least one joint bogie and two end bogies; each joint bogie is located between every two adjacent road and railway semitrailers and is connected with the road and railway semitrailers on the two sides of the joint bogie through wagon group coupling devices; the end bogies are located at two ends of a wagon group; one end of each end bogie is coupled with the corresponding road and railway semitrailer through an end coupling device, and the other end is coupled with a railway locomotive or a railway wagon through a coupler bufferingdevice. Through implementation of the technical scheme, the technical problems that invalid dead weight in existing road and railway transportation wagon groups is relatively heavy, vehicle end clearances are relatively large and train longitudinal force transfer is non-uniform can be solved effectively, quick marshalling coupling of the wagon group can be realized, the invalid dead weight of thewagon group can be reduced, the vehicle end clearance can be reduced, the train longitudinal force transfer can be uniform, and the wagon group performance and the transportation economical efficiencycan be improved effectively.

The invention discloses a timber drying and transporting vessel and relates to timber drying and transporting containers. According to the timber drying and transporting vessel, the mould is based onconventional multipurpose vessel, the length is 170-200 meters, the moulded depth is 8-12 meters, the moulded width is 26-31 meters, and the load is 26000-40000 tons; the portion between a stern and abow includes an engine room, a living building, a cargo hold area and a forepeak, the cargo hold area synchronously includes oil bunkers, ballast tanks and a void compartment, cargo holds at the stern and the bow are in cuboid shapes, the oil bunkers are arranged between every two adjacent cargo holds and at the portions where molded-line spaces are irregular, the ballast tanks and the void compartment are arranged at hold bottoms or the portions where molded-line spaces are irregular, and the front and rear walls of the cargo holds are provided with drying systems. According to the timber drying and transporting vessel, the design of the drying and transporting vessel special for timber is provided, not only can operations of drying the timber at high temperatures, sterilizing the timber, removing insects and the like be completed during transportation, the production efficiency of products is greatly improved, and the cost of drying cargoes on the land is saved at the same time, butalso the timber load of the vessel can be increased and the economic effects of transportation are improved, so that the timber is capable of entering markets more rapidly.

The invention discloses a highway and railway dual-purpose direct-hanging type container semi-trailer, and relates to the technical field of vehicle manufacturing. The container semi-trailer comprisesa frame, a supporting device, a side defending device, an air suspension, an axle, a railway running air braking force and signal transmission device, a rear defending device and a highway running braking system; and the front end of the frame is provided with a semi-trailer traction pin, each of the front end and the rear end of the frame is provided with a guide connector which is in coupling with a railway special bogie, the axle is provided with the passive lifting type air suspension, a positioning bolt device is arranged at the front end of the frame, and a rotary lock device is arranged at the rear end of the frame. By implementing the technical scheme, the technical problem that an existing container semi-trailer is low in transportation economical efficiency on a highway and a railway can be effectively solved, the structure of the semi-trailer can be used as a bearing structure for railway transportation, the requirement of safe running of a vehicle on the highway or the railway is met, the useless dead weight in railway transportation is effectively reduced, the effective cargo capacity is improved, and the transportation economical efficiency is improved.

The invention provides a grinding device for a steel rail high-speed grinding train. The grinding device includes a grinding trolley, a rotary bracket arranged on the grinding trolley and a grinding wheel group. Guiding wheels are arranged on the lower portion of the grinding trolley. Automatic rotary devices are arranged at two ends of the rotary bracket. Automatic rotary devices are connected with a grinding trolley frame through a vertical cylinder. One end of a guiding column which is used for guiding up and down of the rotary bracket is arranged on an upper crossbeam of the grinding trolley frame, and the other end is arranged on a lower crossbeam of the grinding trolley frame. The grinding device for the steel rail high-speed grinding train has the advantages of being high in grinding efficiency and enabling the steel rail high-speed grinding train to be utilized in a railway operation system; opening skylight points which are additionally opened is unnecessary and economic benefits of railway transportation are effectively improved.

The invention discloses a helicopter portable externally-hung shelter cargo transportation device and method. Ground personnel can load cargoes into an externally-hung shelter in advance, and when transportation is needed, the externally-hung shelter can be hung on a helicopter within a short time; in a transportation process, if the helicopter cannot continue to be transported and fly, a load canbe thrown to ensure the safety of the helicopter; and after the helicopter is transported to a destination, the externally-hung shelter is directly thrown in a landing or hovering state, and the operation can be completed instantly. In a military field, replenishment efficiency can be improved, helicopter exposure time is greatly shortened, and the helicopter safety is ensured. In a civil field,transportation efficiency can be greatly improved, and transportation economy is improved. The externally-hung shelter is a standardized portable cabin body and can be repeatedly used.

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 hydraulic lifting device, a hydraulic lifting system with the hydraulic lifting device and a lifting cargo carrying platform. The hydraulic lifting device comprises a double-acting hydraulic cylinder, a lower support arranged on the lower portion of the double-acting hydraulic cylinder and used for supporting the double-acting hydraulic cylinder, an upper support separated from the double-acting hydraulic cylinder and a cylinder head support used for fixing the double-acting hydraulic cylinder. The hydraulic lifting system comprises four hydraulic lifting devices and a hydraulic system for providing hydraulic oil for the double-acting hydraulic cylinders of the hydraulic lifting devices; the hydraulic system comprises a vehicle-mounted hydraulic oil way and an external hydraulic station separated from the vehicle-mounted hydraulic oil way; and the vehicle-mounted hydraulic oil way comprises a hydraulic locking element, a hydraulic synchronizing element and a hydraulic reversing element. The lifting cargo carrying platform comprises a fixed platform, a lifting platform, a platform bracket and the hydraulic lifting system. The hydraulic lifting device and the hydraulic system which are split are adopted, so that the size and the dead weight of a vehicle-mounted part are greatly reduced, and the transportation economic benefits are 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 hydraulic self-height regulating bogie of a railway vehicle. The hydraulic self-height regulating bogie of the railway vehicle comprises two wheel sets, axle boxes symmetrically arranged on the two sides of each wheel set, side frames arranged on the upper portions of every two axle boxes on the same sides, a swing bolster arranged between the side frames on the two sides, elastic side bearings symmetrically arranged on the swing bolster and a basic braking device; the two ends of the swing bolster are located on lower chords of the side frames through swing mechanisms, a bottom center disc is arranged in the center of the swing bolster, the basic braking device is hung on a cantilever beam of the swing bolster through a braking boom, a load spring is arranged between the middle of each axle box and a guide frame of the corresponding side frame, and self-height regulating devices are arranged on the two sides of each load spring respectively. According to the hydraulic self-height regulating bogie, the load vehicle height of the vehicle is regulated to be increased by additionally arranging the self-height regulating devices between the axle boxes and the corresponding side frames, therefore, the center disc height of the empty vehicle and the center disc height of the load vehicle basically keep consistent, and not only can the hidden danger that a coupler is fractured due to a height difference between couplers of the empty vehicle and the load vehicle be avoided, but also working deflection of spring hanging can be improved.

The invention provides an outdoor unit packaging bottom support and an air conditioner outdoor unit assembly, and relates to the technical field of packaging of air conditioners. The outdoor unit packaging bottom support comprises an upper laying plate and at least two supporting strip bodies, the length direction of each supporting strip body is in the first horizontal direction, all the supporting strip bodies are distributed at intervals in the second horizontal direction, the first horizontal direction is perpendicular to the second horizontal direction, the upper laying plate is supportedon the supporting strip bodies, the upper laying plate is a wave-type extended whole plate in the first horizontal direction, a plurality of grooves and a plurality of convex ridges formed in the upper laying plate are alternately distributed in the first horizontal direction and extend in the second horizontal direction, at least two machine foot installation grooves are formed in the upper laying plate, and all the machine foot installation grooves are distributed at intervals in the second horizontal direction. The upper laying plate is designed to be of the wave-type extended whole platestructure, so that the bending resistance and the structural strength of the upper laying plate are ensured, the weight of the upper laying plate cannot be obviously increased, the lightweight of theoutdoor unit packaging bottom support is facilitated, the transportation cost can be reduced, and the transportation economical efficiency can be improved.

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 provides a package bottom support assembly and an air conditioner outdoor unit assembly, and relates to the field of air conditioner packaging. The air conditioner outdoor unit assemblycomprises an outdoor unit and the package bottom support assembly, and the outdoor unit is borne on the package bottom support assembly. The package bottom support assembly comprises a bottom supportpiece, first bearing plates and at least two pieces of bearing foam borne above the bottom support piece and distributed in the first horizontal direction at intervals, the first bearing plates are arranged above the interval space of the bearing foam, the first bearing plates are fixedly arranged on the bottom support piece, the interval space is opened in at least one side, in the second horizontal direction, of the package bottom support assembly, and the first horizontal direction is perpendicular to the second horizontal direction. The air conditioner outdoor unit assembly can be carriedthrough a forklift in the factory, the air conditioner outdoor unit assembly is convenient to carry in the factory stage, meanwhile, compared with a base nailed through batten, the mass of the air conditioner outdoor unit assembly is small, and the transportation economical efficiency of the air conditioner outdoor unit assembly can be better improved.

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 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 an upper funnel ridge of a funnel vehicle. The upper funnel ridge is made from an aluminium alloy material and adopts an integral forming structure. The upper funnel ridge comprises an upper horizontal ridge, a supporting part and a strengthening beam, wherein the upper horizontal ridge comprises two lateral plates; the supporting part comprises two supporting plates oppositely arranged; the strengthening beam comprises a first strengthening beam for enabling the two lateral plates to be connected. The upper funnel ridge of the funnel vehicle is made from the aluminium alloy material and adopts the integral forming structure, one ends of the two lateral plates are fixedly connected at an acute angle to form the upper horizontal ridge, the two supporting plates are fixedly connected with the other ends of the two lateral plates respectively, and the first strengthening beam is used for improving the rigidity between the two lateral plates, so that the upper funnel vehicle can greatly reduce the self weight of the upper funnel ridge under the situation that operating requirements are met, the vehicle load is increased, and the technical problems that the self weight of the upper funnel ridge is large and the vehicle load is not facilitated because the upper funnel ridge adopts a rolled steel group welding structure in the prior art are solved.

The invention discloses a carriage chassis, a carriage assembly comprising the carriage chassis and a railway self-dumping wagon, the carriage chassis comprises a bearing frame, the bearing frame is formed by at least two cross beams and at least two side beams in an enclosing mode, and a floor is arranged on the frame formed by the cross beams and the side beams in an enclosing mode; at least two outer rotating shaft mechanisms are arranged at the bottom of the bearing frame, at least two inner rotating shaft mechanisms are arranged between the outer rotating shaft mechanisms, and at least one upper limiting stop assembly used for being matched with the underframe assembly is arranged between the inner rotating shaft mechanisms so as to limit the carriage underframe in the longitudinal direction and the transverse direction. Flying dust, raining, stealing and the like of cargoes carried in the carriage can be prevented, the overall structural strength and rigidity of the carriage can be enhanced, meanwhile, the self weight of a vehicle is reduced, and the load of the vehicle is increased.

The invention discloses a chassis assembly and a vehicle body comprising the chassis assembly, the chassis assembly comprises a middle beam assembly, two end beam assemblies arranged on two sides of the end part of the middle beam assembly and two sleeper beam assemblies arranged on the middle beam assembly, and the two sleeper beam assemblies are located between the two end beam assemblies; each sleeper beam assembly comprises two sleeper beam bodies symmetrically arranged on the two sides of the middle beam assembly, a rotating shaft mounting base is arranged at the top of each sleeper beam body, and the rotating shaft mounting bases are used for being rotationally connected with rotating shafts arranged at the bottoms of the carriage assemblies so as to vertically limit and transversely limit the carriage assemblies; a lower limiting block assembly is further arranged on the middle beam assembly and located between the two sleeper beam bodies in the same set, and the lower limiting block assembly is used for being matched with the bottom of the carriage assembly so as to longitudinally limit the carriage assembly. The self-weight of the chassis can be reduced, the transportation energy consumption can be reduced, the transportation benefit can be improved, the efficiency of tipping unloading operation can be improved, and the safety of tipping operation can be improved.

The invention discloses a hygrophilous flower fresh-cut cold chain transportation protection box, and relates to the technical field of flower cold chains. The hygrophilous flower fresh-cut cold chaintransportation protection box comprises a box body, and a box cover is hinged to the top of the box body. Handles are movably mounted at the tops of the left side and the right side of the box body;containing frames are fixedly connected to the front side and the rear side of the inner wall of the box body correspondingly, humidity control mechanisms distributed in an equidistant array mode arefixedly installed in the box body, breathing suppression mechanisms are arranged on the left side and the right side of the inner wall of the box body correspondingly, and waterproof covers distributed in an equidistant array mode are fixedly connected to the bottom of the box cover. According to the hygrophilous flower fresh-cut cold chain transportation protection box, the humidity control mechanisms and the breathing suppression mechanisms are matched, the effect of protecting flowers is fully achieved, meanwhile, the hidden danger that flowers with low toughness are prone to breakage in alow-temperature state due to the excessively-tight clamping effect can be avoided, and furthermore, jolt generated in the transportation process can be effectively absorbed through the breathing suppression mechanisms.