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23results about "Underframes" patented technology

Lightweight underframe for machine

PendingUS20260159139A1UnderframesLocomotives
An underframe for a machine may have a first beam extending in a longitudinal direction and a second beam disposed generally parallel to and spaced apart from the first beam in a transverse direction. At least one of the first beam and the second beam may have a lower plate, an upper plate, and a web extending between the lower plate and the upper plate. The underframe may have a cross beam attached to the first and second beams. Further, the underframe may have a bracket transversely aligned with the cross beam. The bracket may include a first leg extending from the lower plate to the upper plate and attached to the web. The bracket may also include a second leg extending from the first leg, the second leg attached to the upper plate. The bracket and the cross beam may be disposed on opposite sides of the web.
Owner:PROGRESS RAIL LOCOMOTIVE INC

Modular body-suspended switching locomotive

ActiveCN117565902BUpgraded assembly efficiency improvementElectric motor propulsion transmissionUnderframesBogieTransmission technology
The present application belongs to the field of rail transit, and particularly relates to a modular body suspension shunting locomotive, which comprises the following parts: a power source module, a chassis, a bogie and an undercarriage universal shaft; wherein the bogie is connected with and supports the chassis, the undercarriage universal shaft is connected with the chassis, and meanwhile, the undercarriage universal shaft is connected with the bogie, and the power source module is supported by the chassis; a driving device assembly module is arranged on the chassis, the driving device assembly module penetrates through the chassis and is connected with the undercarriage universal shaft, and meanwhile, the driving device assembly module is connected with the power source module, so that the locomotive moves. The present application uses a body suspension structure, sets a driving device assembly in the middle of the chassis and matches the original hydraulic transmission locomotive bogie interface, realizes the upgrading of the locomotive from hydraulic transmission to electric transmission technology on the basis of retaining the original hydraulic transmission locomotive chassis and bogie structure; and the components such as the converter and the power source are integrated into an independent box type unit, so that the upgrading and assembling efficiency of the locomotive is greatly improved.
Owner:CRRC DALIAN CO LTD

Rail Vehicle and Running Gear for the Rail Vehicle

PendingUS20260145713A1Electric motor propulsion transmissionUnderframesTorque transmissionElectric machinery
Owner:SIEMENS MOBILITY AUSTRIA GMBH

Platform traversal system and method

A system is provided that includes a self-propelled platform that can traverse a first rail of a first vehicle and a first rail of a second vehicle, the first rail of the first vehicle and the first rail of the second vehicle separated in spaced relation. The self-propelled platform has a wheel assembly that can engage the first rail of the first vehicle and the first rail of the second vehicle. The wheel assembly may include at least one guide extending away from the self-propelled platform and having a size and shape to engage a first rail of the first vehicle or the first rail of the second vehicle while a portion of the self-propelled platform remains on the first rail of the first vehicle and the first rail of the second vehicle, to guide the wheel assembly onto the first rail of the first vehicle or the first rail of the second vehicle.
Owner:TRANSPORTATION IP HOLDINGS LLC

Rail vehicle

ActiveUS12643579B2UnderframesRailway transportBogieControl theory
Provided is a rail vehicle that efficiently transmits, to a railway vehicle structure, an oscillating force transmitted from a bogie to an underframe via a yaw damper and a yaw damper support portion, and that has sufficient strength. The underframe includes a floor portion, a side beam, and a bolster beam. A side structure is erected on an end portion in a vehicle width direction of the underframe. The bogie supports the underframe from below the underframe. A yaw damper receiving portion is provided to the end portion in the vehicle width direction of the underframe. The yaw damper support portion is fixed to the yaw damper receiving portion. The yaw damper includes one end portion connected to the bogie and the other end portion connected to the yaw damper support portion. The yaw damper is configured to reduce yawing oscillation of the bogie. The yaw damper receiving portion is provided to extend along the side structure, the side beam, and the bolster beam.
Owner:HITACHI LTD

A floor and a rail vehicle

ActiveCN224361162UUnderframes
The utility model discloses a kind of bottom plate and railway vehicle, it is related to railway vehicle technical field, bottom plate includes support frame and plate body, and the two opposite sides of support frame are respectively equipped with first slide rail and second slide rail;The two ends of plate body are respectively slidably cooperated with first slide rail and second slide rail;Plate body includes a plurality of blocks sequentially head-to-tail spliced and connected splicing plate;Interfacing connection between any two adjacent splicing plates is connected. Change the original monolithic structure into splicing structure for bottom plate, and make plate body slidably arranged between the first slide rail and the second slide rail of support frame. When maintaining, plate body is extracted from support frame as a whole, only need to replace the splicing plate of partial damaged, both need not to replace whole plate, and need not to help hoisting equipment and excessive manpower, maintenance time-saving and labor-saving, and can save material, effectively reduce maintenance cost.
Owner:CRRC QINGDAO SIFANG CO LTD

An air spring suspension independent cab

ActiveCN118082906BUnderframesLocomotivesAir springVibration isolation
The application discloses an air spring suspension independent cab, which comprises an air spring pull rod vibration isolation structure, the air spring pull rod vibration isolation structure comprises a pull rod limiting structure and a plurality of air springs, the air spring comprises a base and a top cover, the base is installed on a locomotive chassis, and the top cover is installed at the bottom of the independent cab; the pull rod limiting structure comprises a limiting rod, one end of the limiting rod is hinged to the top of the independent cab, and the other end of the limiting rod is hinged to a vertical support of the locomotive chassis. The air spring suspension independent cab can better isolate the vibration of the diesel engine set transmitted to the cab through the chassis, and the comfort of the cab is improved.
Owner:CRRC DALIAN CO LTD

Railway flat car body and longitudinal beam of railway flat car

ActiveCN116767297BUnderframesWagons/vansStructural engineeringMechanical engineering
The application discloses a railway flat car body and a longitudinal beam of the railway flat car. The longitudinal beam comprises a first beam body and a second beam body. The second beam body is arranged below the first beam body and at a middle region of the first beam body in the longitudinal direction. The second beam body comprises a bottom base beam, a connecting beam and two side beams. The two side beams are arranged opposite to each other in the transverse direction. The side beam comprises a middle plate and two end plates. The two end plates are arranged at two longitudinal sides of the middle plate. The middle plate and the end plate are arranged in a split mode. The middle plate comprises a plurality of upper connecting plates and lower connecting plates arranged in a split mode. The end plate and each lower connecting plate are connected with the bottom base beam through a connecting piece. The connecting beam is arranged between the two side beams. The connecting beam comprises a plurality of partition plates. The two side beams and the partition plates are connected through the connecting piece. The upper connecting plate and the lower connecting plate of the same side beam are connected through the partition plate. The upper connecting plate and the end plate are connected with the first beam body through the connecting piece.
Owner:CRRC QIQIHAR ROLLING CO LTD

Railway train motor base

ActiveCN224305594UElectric motor propulsion transmissionUnderframesElectric machineryControl theory
The utility model relates to motor seat technical field, concretely is a kind of rail train motor seat, including train crossbeam, beam distance control component being movably installed on train crossbeam, beam side distance adjustment component being installed on beam distance control component and motor being installed in beam side distance adjustment component;The beam distance control component includes the base being movably installed in train crossbeam outside, two protective covers being fixedly installed in the both sides of base, fixed block being movably installed in the inboard of protective cover.By with train crossbeam as the carrier of adjustment, and on train crossbeam install the beam distance control component of free sliding, while on beam distance control component install the beam side distance adjustment component that can be fine-tuned along the lateral direction of train crossbeam, when motor is fixed in beam side distance adjustment component interior, only need to adjust first screw rod and second screw rod, can realize the fine distance control of fixed motor on train crossbeam, also cannot change the precision of motor and crossbeam.
Owner:CHANGZHOU HUADE MACHINERY

Vehicle undercarriage and vehicle

ActiveCN119796260BUnderframes
This application provides a vehicle chassis and a vehicle. The vehicle chassis includes a floor assembly, a crossbeam assembly, longitudinal beams, and a hook assembly. The floor assembly includes corrugated plates and damping plates, which are arranged along the length of the vehicle chassis and cover different areas. The longitudinal beams are supported below the floor assembly along the length of the vehicle chassis. The crossbeam assembly includes multiple crossbeams, which are supported below the floor assembly along the width of the vehicle chassis and are spaced apart along the length of the vehicle chassis. The corrugated plates and damping plates are connected by the crossbeams. At least one crossbeam is connected to a hook assembly. The vehicle chassis provided by this application is lightweight and improves the material utilization rate of various parts of the vehicle body while ensuring the structural strength and shock absorption effect.
Owner:CRRC TANGSHAN CO LTD

Rear cover assembly for an axle box of a railcar bogie, wheelset, bogie, and railway vehicle comprising such rear cover assembly

ActiveEP4549281B1UnderframesBogieControl theory
Rear cover assembly (1) for an axle box (2) of a railcar bogie, the axle box (2) being coupled to an axle (3) on which there is mounted at least one wheel (4) and at least one replaceable component (5, 5B, 6). The rear cover assembly (1) comprises: - a rear cover (10); - at least one fixing flange (11, 12); - first connecting means (13, 14, 15) for removably connecting the at least one fixing flange (11, 12) to the rear cover (10); and - second connecting means (16, 17) for removably connecting the at least one fixing flange (11, 12) to an end surface (2A) of the axle box (2) with the rear cover (10) being positioned around the axle (3) and held in place between said end surface (2A) of the axle box (2) and the at least one fixing flange (11, 12).
Owner:ALSTOM HOLDINGS SA

Wedge bearing

PendingEP4754409A1Springs/dampers design characteristicsElectric motor propulsion transmission
The invention relates to a wedge bearing (1) for the vibration-damping connection of two components, comprising a first bearing part (2) designed for detachable attachment to a first component, which has a mounting surface (9) to a contact surface of a first component and comprises a recess with a substantially trapezoidal cross-section, and a second bearing part (3) arranged in this recess, wherein an elastomer (4) is inserted in an intermediate space between the second bearing part (2) and the recess, and wherein the second bearing part (3) comprises a receptacle (8) for a second component, wherein the first bearing part (2) has a shaping (5) protruding from the mounting surface (9), which penetrates the contact surface of the first component in the mounting position of the wedge bearing (1), wherein the shaping (5) has a bore (10) through which a blocking device can be introduced, which connects the first bearing part (1) to the first component in a form-fitting manner.
Owner:SIEMENS MOBILITY AUSTRIA GMBH

Magnetic traction assist for railcar mover

ActiveEP4041610B1Train hauling devicesRail and road vehicles
A magnetic traction assembly is disclosed for a railcar mover that provides additional downforce to improve traction for a railcar mover when required. The magnetic traction assembly may comprise a frame, an actuator, and a magnetic element positioned underneath a railcar mover. The magnetic element may be lowered to a deployed position, where the magnetic element is positioned near the railroad rails such that the magnetic field from the magnetic element interacts with the railroad rail creating an attraction force that provides additional downforce to the railcar mover.
Owner:TRACKMOBILE LLC

A manned inspection vehicle for the internal facilities of a sky train track beam

ActiveCN224335632URailway inspection trolleysElectric motor propulsion transmissionReduction driveReducer
The utility model belongs to urban air track transportation technical field, especially a kind of manned inspection vehicle for the operation state of air rail beam internal facilities, including car underframe and car upper frame;Car underframe front and rear end is equipped with one seat respectively, and car underframe bottom is equipped with action wheel, and the left and right sides of car underframe are equipped with two underframe guide wheels respectively;Car underframe is also equipped with double-shaft motor, and one end output shaft of double-shaft motor drives a pair of action wheel rotation through speed reducer;The left and right sides of car upper frame are equipped with two upper frame guide wheels respectively;The utility model can satisfy the demand of German technology localization, so that the production of air track parts no longer depends on foreign equipment, and a large amount of funds for purchasing foreign equipment is saved.The problem that track beam internal facilities are difficult to inspect in actual operation and maintenance work is solved.
Owner:YI PENG INTELLIGENT TRANSPORTATION EQUIP (XUANCHENG) CO LTD

Rail vehicle carriage box

PendingEP4752027A1UnderframesRailway couplings
Rail vehicle car body comprising a chassis (1) with a support structure (2) projecting longitudinally from at least one end face and having a device (3) for the detachable attachment of a swivel joint, wherein the projecting support structure (2) is permanently connected to an end crossbeam (4) of the chassis (1), and wherein the end crossbeam (4) has an open cross-section.
Owner:SIEMENS MOBILITY AUSTRIA GMBH

End enclosure for light rail vehicles

ActiveUS12637117B2Buffer carsRailway wheel guards/bumpersStructural engineeringLight rail
An enclosure system attachable to a railway vehicle to protect automobiles in the event of a collision. The enclosure system having an enclosure panel that is actuatable between a deployed configuration and a stowed configuration. A breakaway mechanism configured to allow certain components of enclosure system to release from the railway vehicle in the event of a collision with another railway vehicle to ensure the anticlimbers engage between the railway vehicles to prevent override. The enclosure system having a coupler centering assembly for maintaining a coupler in a forward position when the enclosure is in the deployed configuration.
Owner:APPLIED RESEARCH ASSOCIATES INC

Pillow beam assembly and railway vehicle

PendingCN122211426AUnderframesBogies
The present application relates to the technical field of rail vehicles, and specifically discloses a bolster assembly and a rail vehicle, the bolster assembly comprising an upper cover plate and a lower cover plate, the upper cover plate being welded to the lower cover plate, the upper cover plate being used for connecting with a vehicle body, the lower cover plate being provided with a traction mounting portion and two secondary mounting portions, the traction mounting portion being used for connecting with a traction device, the secondary mounting portions being used for connecting with a secondary suspension, the two secondary mounting portions being respectively located at two ends of the traction mounting portion, the traction mounting portion being spaced apart from the secondary mounting portions and located on a side of the secondary mounting portions away from the upper cover plate, the traction mounting portion and the secondary mounting portions of the lower cover plate being spaced apart, and the traction mounting portion being located on a side of the secondary mounting portions away from the upper cover plate, the height difference between a lower surface of a secondary interface and a lower surface of a traction device interface being compensated, so that a thicker flange plate is not needed to adjust the height difference, thereby reducing the self-weight of the bolster assembly and being conducive to lightening and upgrading.
Owner:CRRC DALIAN CO LTD