118results about "Railway roofs" patented technology

The invention discloses a roof sandwich plate and embedded part composite connecting structure for a rail transit vehicle and a process of the roof sandwich plate and embedded part composite connecting structure, and relates to the technical field of mechanical connecting structures. The multi-layer composite board is composed of an upper panel, a lower panel and a light core material, the pre-buried metal section bar is installed on the edge of the board through a glue joint layer, the framework edge beam is arranged on the board in a sleeved mode through a clamping groove and is in glue joint with the upper panel and the lower panel, and the framework edge beam, the upper panel and the lower panel are mechanically connected and fixed through the mechanical locking unit. By means of the composite connection structure of glue joint and mechanical locking, the connection strength of the roof sandwich plate and the embedded part is guaranteed, the reliability and durability of connection are improved, and the comprehensive requirements of rail transit vehicles for high reliability, high durability and light weight of the roof structure are met.

The utility model relates to the technical fields of rail transit especially, a kind of high-speed rail vehicle porous corrugated modeling composite middle roof;Including surface panel, intermediate layer core material, backboard, the surface panel, the intermediate layer core material, the backboard are formed composite middle roof by composite glue composite;The surface panel is porous aluminum plate structure, is provided with corrugated modeling 1-1, the composite filling area is set in the intermediate layer between the parallel surface area of the surface panel and the backboard, and several groups of the intermediate layer core material are set in the composite filling area, and the area outside the composite filling area on the surface panel is provided with decorative hole and can penetrate the structure of the composite middle roof, meet the original decoration and the function premise of convenient inspection door under, further improve sound insulation and thermal insulation performance, while having better stiffness, can reduce the effect of the component vibration when train operation.

The present application relates to a kind of inner roof structures suitable for large area lighting, comprising: fixed to the roof skeleton of vehicle body steel structure, fixed to the central lamp of roof skeleton below and the annular lamp decorative plate being arranged around the central lamp, and the side roof plate being arranged around lamp decorative plate, lamp decorative plate has annular flow cavity, flow cavity has the air inlet gap of interval arrangement at top and the air outlet gap at bottom, air inlet gap is communicated with the air duct of vehicle by roof skeleton, air outlet is arranged in the air outlet gap of lower portion of lamp decorative plate, and air outlet is annular structure.The present application makes the visual effect of small size lighting lamp to large area lighting lamp, and because air outlet is connected with air duct by flow cavity, high-speed fresh air in air duct enters into vehicle after flow cavity, improves ride comfort.

The utility model belongs to the technical field of through channel installation equipment, and particularly relates to a top plate installation mechanism with an adjusting function, the main body structure comprises a bearing pin, a bearing block and a bearing which are connected with the bearing pin, a support plate connected with the bearing block, and an adjusting seat connected with the bearing, and the support plate, the bearing block and the bearing pin are welded together. A hexagon socket cap screw, an elastic washer and a flat washer are fixedly connected with a top plate through two mounting holes in a supporting plate, a bearing is sleeved on a bearing pin and coaxially connected, an adjusting seat is sleeved on the bearing and coaxially connected, and the adjusting seat and the bearing are connected with the bearing pin through a hexagon bolt and a long circular groove of the bearing pin. The adjusting seat is fixed to the vehicle end through the hexagon socket cap screw and the large gasket, installation of the top plate is completed, and the top plate can adapt to curvilinear motion of the vehicle under different working conditions based on the structural form of the bearing and the long circular groove. The structure is simple, the cost is saved, the maintainability is high, and the mounting and dismounting process of the top plate is simplified.

An integrated air supply duct for a high-speed train is characterized in that the integrated air supply duct comprises an air supply duct body, a passenger room top plate and passenger room lighting equipment, the air supply duct body is of a core bearing and airflow conveying structure, and the passenger room top plate serves as an air supply duct body bottom plate and a passenger room decoration top plate; the passenger room lighting equipment is integrated in the passenger room top plate to form an integrated structure integrating air channel, top plate and lighting, the interior of the air supply channel body is divided into a cold air cavity and a warm air cavity which are independent of each other through a partition plate, and independent air supply of cold air and warm air in the cavities is achieved. The structure integration degree is high, and the space utilization rate is remarkably improved; cold air and hot air are independently supplied in different cavities, so that the air distribution is more reasonable; the system weight is greatly reduced, and the vehicle is assisted to be light; the assembly process is simplified, and the production efficiency is remarkably improved; the connection structure is reliable, and the maintenance convenience is improved; the production cost is reduced and the economic advantage is obvious.

The invention relates to a cornerpiece (3) of a convolute (2) of a bellows (1) of a gangway, the cornerpiece (3) extending from a first end (7) intended to be connected to a further part of the convolute (2) to a second end (8) intended to either be connected to a further part of the convolute (2) or to serve as an end of the convolute, wherein the cornerpiece (3) at least for a part of its extend from the first end (7) to the second end (8) has the shape of a trough that is bent into an arc, wherein the trough has a bottom line (9) or a bottom area (18), wherein the cornerpiece (3) has a first piece (10) that is a cut¬ away from sheet material and has a second piece (11) that is a cut¬ away from sheet material, wherein the first piece (10) is joined to the second piece (11) along a line of connection (12), wherein the line of connection crosses the bottom line or the bottom area.

The utility model relates to an intermittent shed car for a railway flatcar, which comprises a shed room and more than two connecting components, the shed room is used for being mounted on the railway flatcar, the length of the shed room along the horizontal direction is smaller than that of the railway flatcar along the horizontal direction, the shed room comprises a shell, two side plates connected between a ceiling and a floor, a front plate and a rear plate, a front plate and a rear plate are connected between the two side plates; each connecting assembly comprises a connecting seat and a connecting fastener, the two side plates are each provided with at least one connecting seat, one end of each connecting fastener is connected with the corresponding connecting seat, and the other end of each connecting fastener is used for being connected with a three-dimensional groove of the railway flatcar. According to the technical scheme, the special connecting assemblies are arranged on the shed resting room to be connected with the railway flatcar, and mounting and dismounting are convenient. And the internal space of the shed resting room can be used for the railway workers to rest. Therefore, a section of short intermittent boxcar can be additionally arranged in the existing unoccupied space, and railway workers can stop and reside on the boxcar for a long time.

The application provides a roof structure and a railway vehicle, which comprises a roof panel assembly and two roof side beams respectively arranged on two sides of the roof panel assembly, and a mounting rib plate is connected to the bottom surface of the roof panel assembly; the two side edges of the mounting rib plate are respectively connected to the bottom surface of the roof panel assembly, and a through mounting cavity is enclosed between the mounting rib plate and the roof panel assembly; and a sound insulation layer is arranged in the mounting cavity. The roof structure provided by the application has the mounting rib plate connected to the bottom surface of the roof panel assembly, and the space between the mounting rib plate and the roof panel assembly forms a through mounting cavity; the sound insulation layer arranged in the mounting cavity can conveniently realize the sound insulation and noise reduction effect, can reduce the transmission of the noise of the air conditioning unit and the electrical equipment above the roof panel assembly to the lower part of the vehicle, can conveniently maintain the quietness of the vehicle environment, can improve the assembly efficiency of the roof structure, can provide more space for the installation of the electrical equipment above the roof panel assembly, can facilitate the layout of the air conditioning unit and the electrical equipment, and can improve the rationality of space utilization.

The invention belongs to the technical field of rail transit, and discloses a large-section high-low underframe drum-shaped vehicle body structure which comprises an underframe, side walls and a ceiling, the underframe comprises a low underframe and a high underframe which are connected, the high underframe is higher than the low underframe, and a first step face is arranged between the high underframe and the low underframe; the side walls are vertically arranged on the two sides of the underframe in the width direction, the bottom contours of the side walls are matched with the contour of the underframe, the side walls gradually incline towards the inner side of the vehicle body from the middle to the two ends in the height direction of the side walls, and vehicle doors are arranged in the areas, corresponding to the lower underframe, of the side walls. The ceiling is connected to the tops of the side walls and comprises a flat-top area and an arch-shaped area which are connected, the top face of the flat-top area is lower than that of the arch-shaped area, and an air conditioner is installed above the flat-top area. The solidified limitation of the size of an existing vehicle body is broken through, accurate adaptation to a low-station line and a wide-station line can be achieved, and the application scene of the rail transit vehicle is expanded; the aerodynamic performance of a vehicle body is improved, and the running resistance of the vehicle is effectively reduced.

The invention relates to a roof box (30) for a public transport vehicle, the box (30) being intended to be fixed on the roof of the vehicle, the box (30) comprising a frame and an envelope fixed to the frame, the frame being configured to support the envelope, the envelope delimiting an internal volume of the box (30), the envelope comprising a set of metal sheets (70A, 70B, 70C) separating the internal volume from the exterior of the box (30), each metal sheet (70A, 70B, 70C) being assembled to the frame and welded to at least one other sheet (70A, 70B, 70C).

The embodiment of the present specification provides a railway freight car, which comprises a bottom plate, two end baffle plates arranged at two ends of the bottom plate along the length direction of the bottom plate, two side baffle plates arranged at two sides of the bottom plate along the width direction of the bottom plate, the two end baffle plates and the two side baffle plates being staggered and connected to form a containing space, and a top baffle plate arranged above the containing space, wherein the top baffle plate comprises a first baffle plate and a second baffle plate, the first baffle plate and the second baffle plate are movably connected with the end baffle plates respectively, the first baffle plate and the second baffle plate move towards each other to make the top baffle plate in a closed state, and the first baffle plate and the second baffle plate move away from each other to make the top baffle plate in an open state.

The utility model provides a railway vehicle roof air duct integrated structure which is arranged below a vehicle body top cover and comprises a U-shaped top plate assembly and two sets of side plate assemblies, and the top plate assembly and the side plate assemblies are arranged in the X direction. The top plate assembly and the vehicle body top cover define a first air duct which is communicated with the air conditioner air outlet in a matched mode. The side plate assemblies are symmetrically arranged on the two sides of the top plate assembly. The side plate assembly, the car roof top cover and the side wall of the top plate assembly define a second air duct. The side wall is provided with a plurality of first air openings communicating with the first air channel and the second air channel. A plurality of second air openings are formed in the top plate assembly and the side plate assemblies. The top plate assembly and the side plate assembly in the railway vehicle roof air duct integrated structure serve as internal decorative plates and are combined with the vehicle body top cover to form the first air duct and the second air duct in a surrounding mode, air sent out by an air conditioner is dispersed in the first air duct and the second air duct and sent to all positions of a compartment, an independent air duct does not need to be additionally arranged, and the cost is reduced. And the space is saved.

The invention discloses a rail transit vehicle roof assembly with highly integrated functions, and relates to the technical field of rail transit vehicle parts, the rail transit vehicle roof assembly comprises a roof main body structure, the structure is composed of an upper panel, a lower panel and a middle core layer; the bearing framework and the roof main body structure are integrally arranged, and the bearing framework is used for bearing and transmitting loads to a vehicle body; the air channel and the cable channel are arranged in the car roof main body structure and achieve ventilation and arrangement of electrical wire harnesses respectively. The mounting framework is arranged at the top of the roof main body structure and is provided with a plurality of mounting interfaces for mounting the air conditioning unit and the power battery module. In addition, a heat dissipation cold plate and other components are arranged to assist in heat dissipation. The effect of highly integrating functions is achieved, through reasonable structural design, integration of multiple functions of the car roof is achieved, meanwhile, good ventilation and heat dissipation performance is guaranteed, and the car roof structure is more stable and reliable.

The invention relates to a rooftop crossmember (31) structurally bridging rooftop side members (32) at an end of a rooftop (11) of a railway passenger car (2, 3) adjacent to a gangway bellow (4) and comprising a plurality of structural elements such as an upper structural element (40a) and a lower structural element (40b). The lower and upper structural elements (40a, 40b) are shaped and attached together for forming a hollow structure integrating means for performing non-mechanical functions such as a water drainage channel (34) for evacuating water accumulating on the rooftop (11) on the top part of said gangway bellow (4), and at least an electric housing (29).

The utility model relates to the technical field of rail transit interiors, in particular to a detachable integrated middle roof structure. The two longitudinal beams are arranged on the two sides of the middle roof module, and the middle roof module is installed on a vehicle body through the longitudinal beams. The middle top module comprises a grating, a middle top plate, a cross beam and an air duct; the grids are detachably arranged between the cross beams and the longitudinal beams; the cross beam is detachably and fixedly connected with the longitudinal beam, and the middle top plate is detachably and fixedly connected with the cross beam; according to the structure that the air channel is detachably connected and fixed with the longitudinal beam and the middle top plate, all assemblies such as the grating, the middle top plate, the cross beam and the air channel can be detached, the air channel in the middle top can be cleaned under the condition that the longitudinal beam is not detached, loss parts such as internal rubber strips are convenient to replace, the convenience of internal maintenance of the rail transit vehicle is further improved, and the service life of the rail transit vehicle is prolonged. The maintenance time and cost are reduced, and the stability and durability of the vehicle interior trim are further enhanced by simplifying the maintenance process and reducing the influence on other parts.

To provide a railway vehicle that has a lightweight, high-strength, and highly manufacturable body structure and yet can suppress vibrations and noise propagating inside the vehicle.SOLUTION: A railway vehicle including a roof structure including an extruded member made up of outer and inner plates facing each other at a distance and a connecting rib connecting the two plates, has a reinforcing section thicker than the extruded member arranged in a portion of the roof structure in the vehicle width direction. This allows for a lightweight, high-strength, and easy-to-manufacture vehicle body structure while suppressing vibrations and noise propagating inside the vehicle.SELECTED DRAWING: Figure 3

The invention relates to the technical field of shunting locomotives, and particularly discloses a shunting locomotive which comprises a locomotive body assembly, a top cover structure and a pantograph. The vehicle body assembly comprises a chassis, a cab and a mechanical room, the cab and the mechanical room are fixed to the chassis, an outdoor corridor is formed on the horizontal side of the cab, the mechanical room and the cab are arranged at intervals in the front-back direction, and the outdoor corridor communicates with the chassis and the mechanical room; the top cover structure comprises a top cover body and protective plates, the top cover body is installed on the top of the cab and the top of the mechanical room, the protective plates are installed on the two opposite sides of the top cover body in the left-right direction and extend in the front-back direction, in the left-right direction, the sides, away from the top cover body, of the protective plates incline upwards, and the protective plates cover an outdoor corridor; the pantograph is installed on the top cover body, the minimum distance between the pantograph and the top cover structure is larger than 500 mm, and the top cover structure forms an insulation interlayer between the vehicle body assembly and the pantograph. In this way, the problems that a shunting locomotive and pantograph equipment are difficult to be matched with each other, and potential safety hazards exist for operation safety of operators are solved.

The embodiment of the invention provides a vehicle body and a rail vehicle. The vehicle body is composed of a first side wall upper edge beam, a first underframe edge beam, a first window stand column and a first window oblique beam, and a large window is defined by the first side wall upper edge beam, the first underframe edge beam, the first window stand column and the first window oblique beam; a small window is defined by a first side wall upper edge beam, a first bottom frame edge beam and an adjacent first window oblique beam, and the whole small window is in a central symmetry and multi-pane facade effect. The first window stand column and the first window oblique beam form a triangular stabilizing unit, so that centrifugal force generated when a vehicle turns, pneumatic lateral pressure generated when the vehicle runs at a high speed and local impact generated when the vehicle is loaded, unloaded or collided are effectively resisted. Buckling deformation or outward bulging which is prone to occurring to a traditional flat plate side wall is avoided; meanwhile, the maximum rigidity of the truss structure is achieved with the minimum material, the thickness of side wall skin or the number of internal reinforcing ribs can be reduced, and the weight of the whole vehicle is reduced; a pane pattern with strong rhythm feeling is formed by symmetrical oblique beam layout, so that the appearance design feeling is improved; and modular manufacturing and assembling are facilitated.

A railroad car including a plurality of penetration resistant and protective structures including a penetration resistant and protective underframe, penetration resistant and protective first end, second end, and center bulkheads, penetration resistant and protective first, second, third, and fourth side walls, and protective first and second roof hatches, all configured to protect internal cylinder assemblies, the pipes that communicate the gas from the cylinders of the cylinder assemblies, and the safety critical valves, regulators, and other equipment connected to such cylinders and pipes of the railroad car in an accident (such as a derailment, crash and / or roll-over).

To provide a railway vehicle structure that can improve the efficiency of wiring work. [Solution] A railway vehicle body 1 is provided with a wiring holding structure 10 for holding wiring, the wiring holding structure 10 comprises a holding member 20 held by a rafter member T extending in the width direction of the railway vehicle body 1, and a suspension groove 30 held by the holding member 20 and positioned below the rafter member T, the holding member 20 having a main body 21 including a first fixing part 22 with the rafter member T and a second fixing part 23 with the suspension groove 30, and protruding parts 25, 26, 27 protruding from the main body 21.

This utility model discloses a battery cover, a roof structure, and a monorail shunting machine. The battery cover includes a frame, a body, a cover, a first waterproof structure, multiple second waterproof structures, and a third waterproof structure. The bottom of the frame is fixedly connected to the top of the carriage. The body includes multiple panels, which are arranged sequentially to enclose a polygonal cavity. Each panel is detachably and fixedly connected to the frame. The cover is placed on top of each panel and is detachably and fixedly connected to the frame. The first waterproof structure is located at the seam between each panel and the carriage. Each of the second waterproof structures is located at the seam between adjacent panels. The third waterproof structure is located at the seam between the cover and each panel. The advantages of this utility model are that the battery cover can simultaneously meet the requirements of a detachable top panel, removable four-sided coverings, and waterproofing.

The invention relates to the technical field of aerodynamic optimization of rail transit vehicles, and particularly discloses a convex hull type roof structure of a high-speed train based on pneumatic resistance reduction. Aiming at the problems that an existing high-speed train is high in aerodynamic resistance proportion and the traditional streamline design is limited in resistance reduction effect, a convex hull type non-smooth structure is arranged in a streamline area of a train roof, and the airflow flowing state is optimized. The parameters of the convex hull structure are as follows: the height is 60 mm to 120 mm, the radius is 450 mm to 600 mm, and the array spacing is 100 mm to 500 mm. The optimal implementation parameters are as follows: the height is 109 mm, the radius is 580 mm, and the array spacing is 347 mm. According to the structure, by postponing boundary layer separation, wake flow vortex strength and turbulent flow kinetic energy are reduced, and aerodynamic resistance is remarkably reduced. Through numerical simulation and experiment verification, the aerodynamic resistance of the whole vehicle is reduced by 13.2%-25.1%, and the resistance is reduced to 25.1% under the optimal working condition. The device is simple in structure, avoids a roof equipment mounting area, has efficient resistance reduction and engineering applicability, and can provide an effective solution for energy conservation and emission reduction of a high-speed train.

The application provides a railcar body structure and a rail vehicle, and belongs to the technical field of rail vehicles.The railcar body structure comprises a car body, the car body comprises two groups of oppositely arranged side walls, a roof connected to the top of the two side walls, a bottom connected to the bottom of the two side walls, and two groups of end walls respectively arranged at the two ends of the side walls; two groups of large window structures are arranged on each side wall in a first direction; the upper end of the large window structure extends upward to the roof, and the lower end extends downward to the bottom; an air outlet window structure is arranged on the roof and penetrates the roof from top to bottom; a generator set is installed on the bottom, and the generator set corresponds to the large window structure in a direction perpendicular to the first direction; the two groups of large window structures are symmetrically distributed on the two sides of the air outlet window structure in the first direction; and the rail vehicle adopts the above railcar body structure.The railcar body structure and the rail vehicle provided by the application are convenient and efficient for installation and maintenance of the generator set, and have good moisture-proof and heat dissipation effects.

This invention relates to the field of rail vehicle technology, providing an interior frame and a rail vehicle. The interior frame includes a frame body detachably connected to the vehicle body underframe. The frame body includes a top beam, two side beams connected to the top beam, and a bottom beam connected to the side beams. The top beam, side beams, and bottom beam enclose a receiving cavity. The frame body has a connecting structure on one side of the receiving cavity, suitable for the detachable installation of interior trim components. Through this method, the top beam, side beams, and bottom beam form a single installation unit and are detachably connected to the vehicle body underframe. The receiving cavity formed inside can be used to install interior trim components via the connecting structure. Thus, when interior upgrades are needed, pre-assembly can be completed under the vehicle, and then the entire unit can be connected to the vehicle body underframe. Upgrading and disassembling interior trim components is very convenient and efficient.

The invention discloses a railway vehicle, a composite vehicle body and a design method thereof, and relates to the technical field of railway vehicles, and the design method of the composite vehicle body comprises the steps that an allowable design space is determined, the allowable design space is a closed three-dimensional space matched with the size of a target vehicle body, and a to-be-optimized model is determined according to the allowable design space; the boundary condition is applied to the model to be optimized, a constraint condition and an optimization target are set, and the optimization target is the minimum mass; performing preliminary topological optimization to determine a material distribution scheme of the to-be-optimized model; determining a vehicle body structure form meeting the material distribution scheme; according to the material distribution scheme and the vehicle body structure form, fine optimization is carried out to determine a vehicle body shaping structure; checking the strength, the rigidity and the quality aiming at the vehicle body shaping structure; if not, the step of preliminary topological optimization is returned until the standard is reached, and the weight of the composite vehicle body formed through the design method is low.