241results about "Hopper cars" patented technology

Systems and methods for using a liquid hot metal processing unit to produce granulated metallic units (GMUs) are disclosed herein. In some embodiments of the present technology, a liquid hot metal processing system for producing GMUs comprises a liquid hot metal processing unit including a granulator unit. The granulator unit can include a tilter positioned to receive and tilt a ladle, a controller operably coupled to the tilter to control tilting of the ladle, a tundish positioned to receive the molten metallics from the ladle, and a reactor positioned to receive the molten metallics from the tundish. The reactor can be configured to cool the molten metallics to form granulated metallic units (GMUs).

A low-sulfur granulated metallic unit having a mass fraction of sulfur between 0.0001 wt. % and 0.08 wt. % is disclosed herein. Additionally or alternatively, the granulated metallic unit can comprise a mass fraction of phosphorous of at least 0.025 wt. %, a mass fraction of silicon between 0.25 wt. % and 1.5 wt. %, a mass fraction of manganese of at least 0.2 wt. %, a mass fraction of carbon of at least 0.8 wt. %, and / or a mass fraction of iron of at least 94.0 wt. %.

Treating cooling water in industrial production facilities and associated systems, devices, and methods are disclosed herein. The system can comprise a cooling tower with a first and second cell, each having a housing to receive return water and a sump below to maintain supply water configured to directly contact molten metal. The system includes an inlet and an inlet line to provide return water to the cooling tower and an outlet and an outlet line to direct supply water back to the industrial production facility. The inlet, outlet, and cooling tower form a closed-loop network. Additionally, a blowdown line is fluidically coupled to the outlet to divert a portion of the supply water away from the closed-loop network.

Processing granulated metallic units within electric arc furnaces (EAFs) and associated systems, devices, and methods are disclosed herein. A representative method can include receiving granulated metallic units in an EAF, wherein the granulated metallic units comprise no more than 0.05 wt. % of sulfur and at least 50% of particles in the granulated iron material have a particle size of at least 6 millimeters. The method can include applying electrical energy to the granulated iron via electrodes and melting the granulated iron material to form a molten steel product. The method can also include tapping the EAF to remove the molten steel product from the EAF.

Torpedo cars for use with granulated iron production, and associated systems, devices, and methods are disclosed herein. In some embodiments of the present technology, a torpedo car includes a tilting mechanism, a body rotatably coupled to the tilting mechanism, and a controller operably coupled to the tilting mechanism to control tilting of the body. The body can include (i) an inner surface defining a cavity and a channel, and (ii) an outer surface defining an opening to the cavity and a channel outlet of the channel spaced apart from the opening. The channel can extend between the channel outlet and a channel inlet interfacing the cavity. The inner surface can include a slag dam configured to prevent slag from exiting the opening while the torpedo car tilts. The controller can control the tilting mechanism to control molten metal flow out of the cavity through the channel.

A covered hopper railcar includes a pair of spaced trucks; a three bay covered hopper railcar body on the pair of trucks; and a partition structure separating each bay from an adjacent bay, wherein each partition structure is extending vertically from sloped floor sheets to a roof structure and extending horizontally between side walls of the railcar body, wherein each partition includes a pair of horizontal ribs.

Railcars for transporting granulated metallic units, and associated systems, devices, and methods are disclosed herein. For example, a reinforced railcar apparatus includes a container envelope and a reinforcement liner. The container envelope includes side walls and end walls extending from a floor of the railcar. The side walls are a first length and the end walls are a second length less than the first length. Top portions of the rigid side walls and end walls define an opening of the container envelope through which granulated metallic units are discharged into the railcar assembly. The railcar assembly includes angled interior walls coupled to the bottom surface and extending from a top portion of the end walls to the bottom surface. The reinforcement liner is disposed over a portion of the bottom surface and the angled interior walls. In some embodiments, the railcar assembly includes an open-topped box layered with impact-absorbing material.

A low-carbon granulated metallic unit having a mass fraction of carbon between 0.1 wt. % and 4.0 wt. % is disclosed herein. Additionally or alternatively, the granulated metallic unit can comprise a mass fraction of phosphorous of at least 0.025 wt. %, a mass fraction of silicon between 0.25 wt. % and 1.5 wt. %, a mass fraction of manganese of at least 0.2 wt. %, a mass fraction of sulfur of at least 0.0001 wt. %, and / or a mass fraction of iron of at least 94.0 wt. %.

The invention discloses a railway grain hopper car top cover and a railway grain hopper car, and relates to the technical field of railway transportation equipment. The top cover of the railway grain hopper car comprises a top cover body, the top cover body comprises a first top cover body and a second top cover body which are arranged side by side in the width direction of the top cover body, and the first top cover body and the second top cover body are each of a hollow thin-wall box type structure extending in the length direction of the top cover body and are connected in a welded mode. The two ends of the first top cover and the second top cover are connected through end plates, and the bottoms of the first top cover and the second top cover are connected with top cover supports. According to the top cover of the railway grain hopper car, the first top cover and the second top cover are arranged to be of the hollow thin-wall box type structure, the dead weight of the top cover can be obviously reduced, meanwhile, the length of a welding seam of the top cover and the welding amount in the manufacturing process are reduced, welding deformation is reduced, and the planeness and the sealing effect of the top cover are improved.

A railcar modification comprises a pair of spaced trucks; a multiple bay hopper railcar body on the pair of trucks; a hopper floor in the railcar body, wherein each bay of the hopper railcar body has hoppers formed of sloped floor sheets having a hopper floor slope; a plurality of gate adaptors, each gate adapter coupled to the floor sheets of a hopper, wherein the gate adapter includes a plurality of floor sheet panels, a plurality of transition panels and a plurality of gate panels, and wherein a difference in slope angles between the floor sheet panels, transition panels and gate panels combine to form a vertical offset; and a plurality of gates, each gate coupled to one gate adapter.

The invention provides an automatic bottom door opening and closing system and a railway hopper car, and belongs to the technical field of railway hopper cars. The automatic bottom door opening and closing system comprises a ground door opening power transmission touch assembly, a ground door closing power transmission touch assembly, a vehicle-mounted control part, a vehicle-mounted door opening power taking touch part and a vehicle-mounted door closing power taking touch part; the vehicle-mounted control part is connected with the bottom door two-way air cylinder and an air source, the vehicle-mounted door opening electricity taking touch part is electrically connected with the vehicle-mounted control part, and the vehicle-mounted door opening electricity taking touch part is used for making contact with a ground door opening electricity transmission touch assembly so that the vehicle-mounted control part can control a door opening cylinder of the bottom door two-way air cylinder to communicate with the air source; the vehicle-mounted door-closing electricity-taking touch component is electrically connected with the vehicle-mounted control component, and the vehicle-mounted door-closing electricity-taking touch component is used for making contact with a ground door-closing electricity-transmitting touch component so that the vehicle-mounted control component can control a door-closing cylinder of the bottom door two-way air cylinder to communicate with an air source. According to the automatic bottom door opening and closing system, the bottom door can be automatically opened and closed in the running process of the vehicle, and misoperation can be avoided.

Cover assemblies for railroad cars are disclosed. In some embodiments, the cover assemblies include a cover pivotably movable between closed and open positions. The cover assemblies additionally include a lid stop assembly including a release handle positioned adjacent to a cover handle and a first locking element operatively connected to the release handle. The lid stop assembly additionally includes a second locking element attached to, or formed with, the housing. The first locking element moves between a locking position in which the first locking element engages the second locking element to secure the cover in the open position, and a releasing position in which the first locking element is spaced from the second locking element allowing the cover to be moved from the open position toward the closed position. The release handle allowing the user to move the first locking element between the locking and releasing positions.

The invention discloses a railway hopper car for transporting powdery goods, which relates to the technical field of railway hopper cars, and comprises a car body, a pneumatic control system, a car coupler buffer device, an air brake device, a manual brake device and a bogie, the vehicle body comprises a bottom frame, two funnels with double-sealing structures are arranged at the bottom of the bottom frame and distributed on the two sides of a middle beam of the bottom frame, two side walls are arranged on the two sides of the bottom frame, end walls are arranged at the two ends of the two side walls respectively, a vehicle roof is arranged on the upper portions of the side walls and the end walls, and unloading openings are formed in the bottoms of the funnels. A turnover type bottom door with a secondary locking device is arranged at the unloading opening, and the car roof comprises a fixed top cover assembly and a movable top cover assembly arranged over the fixed top cover assembly. The hopper car side wall is reasonable in design, and the problems that the hopper car side wall cannot give consideration to strength and space, a top cover is clamped, a bottom door is prone to being accidentally opened and sealing performance is poor are solved.

The invention discloses a rotary bottom door of a railway hopper car, which relates to the technical field of bottom doors of railway hopper cars and comprises two bottom door components, a bearing mounting seat component, a transmission shaft component, a hydraulic cylinder and a hydraulic cylinder mounting seat. The two bottom door assemblies are symmetrically arranged on the two sides of the transmission shaft assembly and movably connected with the transmission shaft assembly. The bearing installation seat assemblies are arranged at the two ends of the transmission shaft assembly and connected with the transmission shaft assembly through fasteners. The hydraulic cylinder mounting base is fixed to the middle beam assembly, one end of the hydraulic cylinder is connected with the hydraulic cylinder mounting base in a hinged mode, and the other end of the hydraulic cylinder is connected with the transmission shaft assembly in a hinged mode; the transmission shaft assembly is provided with a locking device which is matched with the secondary locking mechanism to prevent the bottom door from being opened accidentally. By adopting the transmission mechanism passing through the dead point, the bottom door has a self-locking function, and the bottom door is prevented from being accidentally opened. The hydraulic control system is adopted to drive the bottom door to be opened and closed, and special ground facilities are not needed.

The utility model provides an ore hopper car, which relates to the technical field of vehicles and is characterized in that a chassis part in a traditional hopper car structure is omitted, loading is directly performed through a containing cavity between a left half bin and a right half bin, the structure is simplified, and the dead weight of a car body is reduced. The connecting rod mechanism is driven by the driving mechanism to drive the left half bin and the right half bin to relatively rotate around the joints of the left half bin and the right half bin and the vehicle body, and bin opening and bin closing are achieved. And in the bin closing process, the limiting mechanism can make the bin closing speed of the right half bin lower than that of the left half bin, and then lap joint is formed between the left half bin and the right half bin after bin closing, so that the possibility that when the right end face of the left half bin and the left end face of the right half bin deform, the sealing performance is affected after bin closing is reduced.

Systems for continuous granulated metallic unit (GMU) production, and associated devices and methods are disclosed herein. In some embodiments, a continuous GMU production system includes a furnace unit, a desulfurization unit, a plurality of granulator units, and a cooling system. The furnace unit can receive input materials such as iron ore and output molten metal. The desulfurization unit can reduce a sulfur content of the molten metallics received from the furnace unit. Each of the plurality of granulator units can include a tundish that can control the flow of molten metallics and a reactor that can granulate the molten metallics to form GMUs. The cooling system can provide cooled water to the reactor. Continuous GMU production systems configured in accordance with embodiments of the present technology can produce GMUs under continuous operations cycles for, e.g., at least 6 hours.

The invention provides a reinforcing structure of a hopper car and the hopper car, and relates to the technical field of hopper car accessories, the reinforcing structure is used for being connected to the interior of a hopper car box of the hopper car, and the reinforcing structure comprises two first support assemblies which are connected to the two sides of the interior of the hopper car box respectively; the second support assembly is connected to the bottom side of the interior of the hopper wagon box; one ends of the two connecting body assemblies are hinged to the two first support assemblies respectively, and the other ends of the two connecting body assemblies are hinged to the second support assemblies; due to the fact that the welding connection mode is omitted, the stress performance is improved, the connecting position is not prone to breakage any more, the reliability of the reinforcing structure is improved, the overall bearing capacity of the hopper car is further improved, and the side wall of the hopper car box is effectively prevented from expanding outwards.

The invention discloses a roof structure of a railway hopper car with a cover, which relates to the technical field of transportation equipment and comprises a fixed top cover component and a movable top cover component arranged on the fixed top cover component. The fixed top cover assembly comprises an arc-shaped framework, a top plate arranged on the arc-shaped framework and a longitudinal loading opening frame longitudinally arranged in the middle of the top plate. The movable top cover assembly comprises a square loading opening cover assembly, a circular top cover plate assembly, a top cover support, a top cover cross beam assembly, a top cover longitudinal beam assembly and a circular loading opening locking device. The square loading opening cover assemblies are arranged at the longitudinal loading opening frames in a sealed mode, translation of the square loading opening cover assemblies is achieved through pneumatic control, a plurality of round loading openings are formed in the square loading opening cover assemblies, the round top cover plate assemblies are arranged at the round loading openings in a sealed mode, and round loading opening locking devices are arranged at the round top cover plate assemblies. By means of the arrangement of the double-layer top cover and the multiple feeding ports, the technical problem that when a sliding rail deforms or a roller bearing is rusted, movement of the top cover is blocked is solved.

A hopper bottom door unit mounted to a hopper body (200) of a hopper (1000), the hopper body (200) of the hopper (1000) being provided with a discharge opening. The hopper bottom door unit (100) comprises: a bottom door mechanism (110), which is mounted to the hopper body (200) and has a shielding position in which the discharge opening is shielded and an open position in which the discharge opening is exposed; a door closing drive assembly (120), which is mounted to the hopper body (200) and connected to the bottom door mechanism (110), and is configured to drive the bottom door mechanism (110) to move to enable the bottom door mechanism (110) to be located at the shielding position; and a door opening drive assembly (130), which is mounted to the hopper body (200) and connected to the bottom door mechanism (110), and is configured to drive the bottom door mechanism (110) to move to enable the bottom door mechanism (110) to be located at the open position.

The utility model discloses a hopper car bottom door unit type opening and closing mechanism, and belongs to the field of railway hopper cars. The opening and closing mechanism comprises an air cylinder, a connecting rod, two fixed supports, two driving crutches, two driving rods, two flexible connecting bases and a pin shaft. One end of the connecting rod is connected with the air cylinder, the lower portions of the left end and the right end of the connecting rod are connected with the driving crutches respectively, the two driving crutches are connected to a middle beam of the hopper car through fixing supports respectively, and the other ends of the driving crutches are connected with the driving rod through flexible connecting bases. Structures at the lower parts of the left and right ends of the connecting rod are symmetrically arranged; the bottom ends of the two driving rods are located at the two ends of the bottom door respectively and connected with the bottom door through bottom door supports. The opening and closing mechanism provided by the utility model can realize the function of independently controlling the opening and closing of the bottom door; the structure is simple, manufacturing cost is low and maintenance is convenient.

A system, method and assembly for detecting the operational status of one or more discharge gates on one or more railcars. The system and method monitor parameters that include whether the discharge gate is open or closed, whether the railcar is in motion or not, and whether the railcar is in a location where it is acceptable for the discharge gate to be open. Sensors carry out the monitoring, and the information obtained by monitoring the parameters are used to determine if a notification event has taken place and if so, a notification of such event can be transmitted to a remote receiver. A change in the status of any one of the monitored parameters can trigger the determination of whether a notification event has occurred.

The invention discloses a secondary locking mechanism for a bottom door of a railway hopper car, which relates to the technical field of railway hopper cars and comprises a handle component, a first pull rod component, a lever fulcrum component, a second pull rod component, a rotating shaft component, a tension spring seat, a tension spring, a third pull rod component and a locking lever component. The handle assemblies are fixed to the two sides of a bottom frame, the lever fulcrum assembly is fixed to the lower portion of a vehicle, the two ends of the first pull rod assembly are movably connected with the handle assemblies and the lever fulcrum assembly through pin shafts respectively, and the second pull rod assembly is movably connected with the rotating shaft assembly through a pin shaft. The tension spring seat is fixed in the middle of the bottom frame, one end of the tension spring is sleeved with the tension spring seat, the other end of the tension spring is connected with the rotating shaft assembly, and the third pull rod assembly is movably connected with the rotating shaft assembly and the locking lever assembly through pin shafts. The two-stage locking mechanism is manually opened and closed, ground facilities do not need to be independently arranged, and the manufacturing cost is reduced.

According to the coal hopper car connecting rod protection device and the lower connecting rod, a pipe body is connected to a threaded section of the lower connecting rod in a threaded mode, the two ends of the pipe body are provided with an outer end face and an outer clamping ring respectively, a limiting sleeve comprises two half sleeve bodies, and one end of the limiting sleeve is provided with an inner ring groove matched with the outer clamping ring; the locking mechanism is used for limiting separation of the two half sleeve bodies, the pipe body of the connecting rod protection device of the coal hopper car is in threaded connection with the threaded section of the lower connecting rod, one end of the limiting sleeve is connected with the tank body, and the other end of the limiting sleeve is connected with the lower connecting rod through the limiting groove. And the root of the threaded section is wrapped in the limiting sleeve, so that the axial limiting effect of the limiting sleeve on the lower connecting rod transmission pipe body is achieved, after the root of the threaded section is broken, the threaded section can still be prevented from being separated from the lower connecting rod through the limiting sleeve, the lower connecting rod continues to play a role, and a layer of insurance is provided for the lower connecting rod.

The utility model discloses an air track pneumatic tire coal transport vehicle and an air track transport system. The transport vehicle comprises a bogie and a vehicle body. The bogie is connected with the vehicle body through a central suspension device; the vehicle body runs on the aerial track through the bogie; the bogie comprises a framework, a plurality of wheel assemblies, a motor driving device, a foundation braking device and a gear box, each wheel assembly comprises two tires, and the two tires are inflatable tires and are rotatably installed on the two sides of the framework in the width direction respectively; the motor driving devices are arranged at the two ends of the framework, the gear boxes are connected with the framework, the gear boxes are arranged between the corresponding motor driving devices and the corresponding wheel assemblies, and the motor driving devices transmit torque to the gear boxes through couplings so as to drive the wheel assemblies to walk. According to the aerial track pneumatic tire coal transport vehicle, the vibration of the vehicle and the aerial track beam is relatively small, the gradeability of the vehicle is strong, and the maintenance is more convenient.

The invention discloses a reinforcing ring assembling process, a hopper car end wall supporting piece and an assembling device and method. The technical problem that in the prior art, the assembling precision of a reinforcing ring is low is solved. According to the reinforcing ring assembling technology, firstly, the base material is bent and formed, a reinforcing ring blank is obtained, the two butt-joint ends of the reinforcing ring blank are arranged in an overlapped mode but not connected, and welding deformation can be conveniently released in the subsequent welding step. And then the reinforcing ring blank is placed in the inner hole of the supporting plate, and one arc section of the reinforcing ring blank abuts against the hole wall of the inner hole and is fixed through spot welding. The welding position of the reinforcing ring blank and the supporting plate is arranged on the arc section, the reinforcing ring blank can abut against the hole wall of the inner hole through the elastic restoring force of the arc section of the reinforcing ring blank, and pseudo soldering is avoided. And the operation is repeated, and other arc segments are fixed in sequence. And finally, the process allowance of the butt joint end of the reinforcing ring blank is cut off, connector butt joint and spot welding are conducted, and assembling of the reinforcing ring is completed.

The application discloses a two-stage locking mechanism of a railway hopper car bottom door and relates to the technical field of railway hopper cars.The two-stage locking mechanism comprises a handle assembly, a first pull rod assembly, a lever fulcrum assembly, a second pull rod assembly, a rotating shaft assembly, a pull spring seat, a pull spring, a third pull rod assembly and a locking lever assembly; the handle assembly is fixed on both sides of a chassis; the lever fulcrum assembly is fixed below a vehicle; the two ends of the first pull rod assembly are movably connected with the handle assembly and the lever fulcrum assembly through pin shafts; the second pull rod assembly is movably connected with the rotating shaft assembly through a pin shaft; the pull spring seat is fixed in the middle of the chassis; one end of the pull spring is sleeved in the pull spring seat, and the other end of the pull spring is connected with the rotating shaft assembly; and the third pull rod assembly is movably connected with the rotating shaft assembly and the locking lever assembly through pin shafts. The two-stage locking mechanism is manually opened and closed, ground facilities need not be separately arranged, and manufacturing cost is reduced.