78results about "Draw-gear" patented technology

The subject of the invention is a a vehicle coupling shock absorbing device for coupling vehicles, having a rear element (3) and a U-shaped housing (1) containing a base wall (11), and side walls (12), where the base wall (11) is located at the side of the rear element (3); inside the housing (1) there is a stop plate (2) mounted slidingly, pin (10) mounted between the ends of the side walls (12) opposite the base wall (11), and a rod (4) running from the rear element (3) through an opening in the base wall (11) to the retaining plate (2), on which cushioning pads (5) are attached alternately with spacers 6, characterized in that the rear element (3) is a shock absorber.

The invention relates to the technical field of railway locomotives, and particularly discloses a railway loosening alarm system and a traction device loosening alarm method.The system comprises a redundancy monitoring assembly, a signal collecting assembly and an alarm control element, the redundancy monitoring assembly comprises a displacement monitoring module and a mechanical triggering module, the displacement monitoring module is used for monitoring displacement of a traction base, and the mechanical triggering module is used for triggering the mechanical triggering module; the mechanical triggering module comprises a mechanical triggering piece arranged on the traction seat, the mechanical triggering module is used for generating a second alarming signal when the mechanical triggering piece is broken, and the signal collecting assembly is used for collecting vibration and acoustic emission signals of the traction seat. When the vibration and acoustic emission signal exceeds a threshold value, a third alarm signal is generated, and the alarm control element is used for receiving the first alarm signal, the second alarm signal and the third alarm signal and giving an alarm; the method applies the system. The system can carry out real-time monitoring and timely grading early warning on loosening of the traction device.

The invention relates to a draught / buffing-gear housing (1) for receiving and indirectly supporting at least one energy-absorbing device to be integrated into a predefined installation space (E), in particular the UIC-standard installation space of a rail vehicle, comprising a main housing structure, which surrounds a receiving space (11) for an energy-absorbing device and optionally one or more pressure plates (16, 17) and has an interface for receiving a coupling shaft bolt (8) for connection to a coupling rod, the main housing structure (2) being formed by an upper chord (3) and a lower chord (4), which extend in the longitudinal direction and are spaced apart in the vertical direction and can be interconnected at least indirectly to form a receiving space. The invention is characterised in that at least one spacer and / or guide element (10) is provided on the outer periphery of the main housing structure (2).

The utility model relates to a noise reduction slewing mechanism of a hook buffer device and a vehicle, and belongs to the technical field of rail transit. A first mounting hole is formed in the mounting seat; a second mounting hole is formed in the hook buffer device, and the second mounting hole can be opposite to the first mounting hole; the coupler yoke pin penetrates through the first mounting hole and the second mounting hole so as to connect the mounting seat and the coupler buffer device; the cover plate is positioned at one end of the coupler yoke pin in the axial direction and is fixedly connected with the mounting seat or the coupler yoke pin; wherein an elastic element is mounted between the cover plate and the coupler yoke pin or the mounting seat. In the embodiment of the invention, the novel noise-reducing slewing mechanism structure is designed, and the elastic element is mounted between the cover plate and the coupler yoke pin or the mounting seat, so that the part structure of the slewing mechanism and the connecting and fixing mode between the parts can be changed, the vertical gap between the parts of the slewing mechanism is reduced, and the noise generated by vertical impact vibration is reduced; meanwhile, the coupler can rotate within a certain range of the horizontal plane and the vertical plane, and the requirement that a train normally passes through a curve is met.

The invention relates to a coupling for coupling a rail vehicle to another rail vehicle, comprising a mounting arm for mounting the coupling to a rail vehicle, a coupling arm, a joint, wherein the mounting arm and the coupling arm are connected to each other by the joint, so that the mounting arm and the coupling arm can be moved relative to each other and the coupling arm can be brought into a pivoted position; wherein the coupling further comprises a coupling deflection device which is arranged and designed to deflect the coupling into a pivoted position when the coupling is in contact with another coupling.

The invention relates to a central buffer coupling for a rail vehicle with a coupling shaft comprising a central section extending longitudinally along the central buffer coupling and a housing that receives an axial end of the central section via an interposed elastomeric spring assembly. The central buffer coupling according to the invention is characterized by a measuring device that can be mounted on or is mounted on the coupling shaft. This measuring device includes an actuator with which the central section can be moved relative to the housing against a spring force of the elastomeric spring assembly, and further includes a sensor configured to detect the spring force and / or the spring deflection of the elastomeric spring assembly during this movement.

The utility model discloses a single-pull-rod hinged traction device and a locomotive, and relates to the technical field of vehicle bogies, and the single-pull-rod hinged traction device comprises a first traction seat, a second traction seat and a traction rod. The first traction seat is installed on the first vehicle body, the second traction seat is installed on the second vehicle body, and the first vehicle body and the second vehicle body are supported on the bogie. One end of the traction rod is connected with the framework of the bogie, and the other end is connected with the second traction seat. Wherein the first traction seat and the second traction seat are connected through a hinging piece, so that the first vehicle body and the second vehicle body are hinged. According to the single-pull-rod hinged traction device, a traditional double-traction-rod structure is optimized into a single-traction-rod structure, the number of parts is remarkably reduced, and structure simplification is facilitated; the hinge piece is matched with the first traction base and the second traction base, the traction rod is matched with the second traction base and the framework to achieve connection, installation is convenient and fast, and the assembling complexity is reduced; by simplifying the structure, fault points can be reduced, the service life is prolonged, and the maintenance cost is reduced.

The invention relates to a traction damper for a traction coupling, in particular a middle buffer coupling, having a first joint for a coupling rod and a second joint designed to fasten the traction damper to a vehicle structure; having a spring device which transmits tensile and compressive forces between the first joint and the second joint; wherein the spring device (4) comprises a pressure spring (5) and a hydraulic and / or pneumatic damper (6); and the pressure spring (5) and the damper (6) are arranged in series with respect to one another in the force flow from the first joint (1) to the second joint (2) in order to transmit the compressive force from the pressure spring (5) to the damper (6). The traction damper according to the invention is characterized in that the spring constant of the pressure spring (5) is smaller than the spring constant of the damper (6).

The present invention relates to an energy absorbing and dissipating device for vehicle coupling having a fork (3), wherein the fork (3) has a pin (7) mounted therein for mounting the lug assembly (1) connecting the vehicle coupling head, and on the rear side of the fork (3) a pin is mounted with a set of shock-absorbing inserts (11), the set of inserts (11) on the side of the fork (3) being secured by a stop plate (5), constituting a limiter for movement in the coupling pulling direction, and on the opposite side by a back plate (6) and a locking element (13), and the entire structure is closed by a locking element (10) mounted inside the housing (4), constituting a limiter for movement in the coupling pushing direction, the device additionally having a housing (4) in which the other components can move slidingly. The characteristic feature of the device is that the housing (4) is shaped like a sleeve, there is a mounting ring (4) on the outside of the housing (2); the mounting ring (2) has a flange part (2a) with screw holes (2a) for mounting to the vehicle wall and with cutting knives (14) for cutting the housing surface (4), middle part (2b) for guiding the housing (4), breakaway part (2c); the mounting ring (2) is mounted to the housing (2) using the breakaway part (2c).

The invention relates to the field of transport engineering and concerns traction-buffer devices installed between the cars of a railway train. The objective is to eliminate the misalignment of the support element during its movement along the longitudinal axis and to ensure the smooth operation of the traction-buffer device. This objective is achieved by a traction-buffer device that includes a traction rod aligned along the longitudinal axis, a support element capable of contacting it, as well as traction elements. Eyelets are formed in the front part of the traction elements, and the rear part of the traction elements contains a support-traction element. A spring device is located between the support element and the rear stop. Additionally, the traction elements are made in the form of a tubular body with a neck, where a guide insert is installed. The guide insert is in contact with the traction elements and is designed to enable mutual longitudinal movement with the support element while limiting the angular movement of the support element relative to the longitudinal axis. Other elements of the invention are also described.

The application belongs to the technical field of buffers, and particularly relates to a longitudinal traction buffer device for a road-rail vehicle, which comprises a coupler, a buffer, a from-plate and a coupler tail frame. The buffer comprises a cylinder, a No. 1 piston, a connecting frame, a traction guide rod, a conversion unit. When the traction guide rod of the buffer is impacted and moves left, the No. 1 piston moves left, extrudes hydraulic oil and pushes the No. 2 piston. Since the No. 2 spring is arranged between the baffle and the No. 2 piston, when the No. 2 piston is pushed, the No. 2 piston extrudes the No. 2 spring, and the impact force is shared as the elastic potential energy of the No. 2 spring, so that the purpose of sharing the buffer force is achieved. Similarly, when the traction guide rod moves right, the effect of sharing the buffer force can also be achieved.

The utility model discloses an intelligent traction connecting rod mechanism which comprises a connecting column, a connecting bearing is connected to the top end of the connecting column, a connecting flange is connected to the connecting bearing, a first connecting rod is fixed to the connecting flange, and the other end of the first connecting rod is hinged to a second connecting rod. The two ends of the second connecting rod are connected with the first connecting rod and the third connecting rod through bolt connecting pieces respectively, a bearing seat is arranged at the end of the third connecting rod, a pull rod is connected into the bearing seat, a shaft sleeve is arranged at the bottom of the pull rod, a traction shaft is connected into the shaft sleeve, and the traction shaft is fixed to the shaft sleeve through a positioning bolt. The traction device is scientific and reasonable in structural design, and the traction shaft can be driven to move through the connecting column by arranging a linkage mechanism composed of the first connecting rod, the second connecting rod, the third connecting rod and the like, so that the traction shaft can move stably, the consistency of equipment is improved, and resistance is reduced.

The invention pertains to the field of vehicle engineering and relates to friction shock-absorbers for vehicles, and primarily to shock-absorbing apparatus mountable between railway wagons. The aim of the invention is to improve the structure of a shock-absorbing apparatus such as to allow a more uniform distribution of load on the support surfaces of a pressure wedge device and on the stay surfaces of stay wedges. This aim is achieved in that a pressure wedge device and stay wedges, which together form a friction assembly of the shock-absorbing apparatus, are configured to provide for constant mutual contact under a main and an additional stay angle at any given extent of travel of the friction assembly, wherein the total area of the regions of the support surfaces of the pressure wedge device and of the stay surfaces of the stay wedges which lie inside the zones of mutual contact is not less than the total area of said support surfaces of the pressure wedge device and said stay surfaces of the stay wedges which lie outside the zones of mutual contact. A spring device is configured and mounted in such a way that in its fully compressed state at its maximum extent of travel, it provides a force applied to the friction assembly and the bottom of a housing which is greater than 120 tons. Other elements of the invention are also described.

The invention pertains to the field of transport engineering and relates to traction-buffer devices and absorbing apparatuses installed between railcars in a train set. The objective is to limit the angular movement of the support part of the support element within the guide assembly relative to the longitudinal axis. This objective is achieved by a traction-buffer device comprising a traction-bearing rod positioned along the longitudinal axis of the unit, capable of contacting the support part of the support element. The device also includes a housing with a front part, a rear part, and walls, with traction elements housed inside. The rear part of these traction elements contains a traction-support element. Additionally, a spring device is placed within the housing, situated between a rear stop element and a traction-buffer stop, which restricts movement towards the front part of the housing. Distinctive features include a stop in the rear part of the housing, which maintains movable contact with the housing walls, while the traction-buffer stop restricts movement towards the rear part of the housing. Further details of the invention's components are also described.

The utility model discloses a motor train unit train head hook and middle car coupler fastening tool which comprises a coupler head, a coupler body and a coupler tail, the coupler head is connected with the coupler tail through the coupler body, the coupler body comprises a first damping mechanism and a second damping mechanism, the first damping mechanism is connected with the second damping mechanism, and the first damping mechanism comprises a first damping rod, a first piston and a first damping cylinder. The first damping rod is slidably connected with the first damping cylinder through the first piston. The coupler has the advantages that the coupler body comprises the first damping mechanism and the second damping mechanism, triple damping can be achieved through the first damping mechanism and the second damping mechanism, the damping effect is further improved, and the buffering effect is improved when two motor train unit couplers are in butt joint.

The invention provides an aluminum alloy vehicle body traction, bolster and buffer structure based on a bogie with a built-in axle box, which comprises a sleeper beam assembly, a traction beam assembly, a buffer beam assembly and a coupler mounting seat, and the performances such as static strength test, vehicle body strength, rigidity and modality of the aluminum alloy vehicle body traction, bolster and buffer structure meet the requirements. The traction, bolster and buffer structure can be directly used for an A-type aluminum alloy platform axle box built-in bogie train, and provides unified standards of core structure parameters such as corresponding aluminum material type selection and boundary dimension characteristics for the traction, bolster and buffer of an all-aluminum structure of a new vehicle type, so that the design efficiency is improved, the design risk is reduced, and the design cost is reduced. In addition, compared with an existing A-type aluminum alloy platform vehicle traction, bolster and buffer structure, the traction, bolster and buffer structure has the advantages that the weight of the traction, bolster and buffer structure is reduced by 40%, the material cost and the labor cost are saved, and energy conservation and emission reduction are facilitated.

The invention relates to a railway vehicle structure (1) comprising an installation space (3) that is at least partially open downwards for receiving a draw and buffer device (5) with an interface (6) for connecting the draw and buffer device (5) to a coupling shaft (4.2) of a coupling (4) that can be arranged on the railway vehicle structure (1). The coupling shaft bolt (9) can be brought into operative contact by forming a connection, via a partial area of ​​the installation space (3) that can be inserted vertically through the opening in the installation space (3) and is defined by the arrangement of the interface (6) and designated as the connection area (3.1). The invention is characterized in that the locking device (15) has a locking mechanism that is at least associated with the connection area (3.1) and can be attached to the railway vehicle structure (1). The invention is characterized in that the locking device (15) has a locking mechanism that is positioned between a first and second position by a dimension outside the connection area (3.1).1) The support structure (10) comprises a geometrically arranged pivot axis pivotable and forming a contact surface for the coupling bolt (9), which is designed and arranged in such a way as to be suitable in the first position to release access to the connection area (3.1) into the installation space (3), in the second position to close the connection area (3.1) vertically downwards while supporting the connection when it is in the vertical direction and when pivoting between the first and second positions to support the coupling shaft bolt (9) when it is inserted into the installation space (3).

The utility model discloses a kind of sightseeing train carriage connecting devices, it is related to sightseeing train carriage connecting technical field, the device includes first mounting plate and second mounting plate, the first mounting plate is close to the one end of second mounting plate and is provided with first hydraulic bumper, the buffer end of first hydraulic bumper is installed with first connecting barrel, the one end of second mounting plate is close to first mounting plate and is provided with fourth hydraulic bumper, the buffer end of fourth hydraulic bumper is vertically installed with U-shaped fixing frame, the one end of U-shaped fixing frame away from fourth hydraulic bumper is installed with two second connecting barrels. The utility model is provided with first hydraulic bumper and fourth hydraulic bumper on first connecting barrel and U-shaped fixing frame respectively, and second hydraulic bumper and third hydraulic bumper are obliquely provided on the side wall of first hydraulic bumper and fourth hydraulic bumper, when sightseeing train moves or turns, the collision of connecting device is reduced.

The invention relates to a draw and buffer gear for a railway coupling, in particular a central-buffer coupling, having a first connection for a coupling pin and a second connection designed for securing the draw and buffer gear to a vehicle structure; and having a spring array which transmits tractive and compressive forces between the first connection and the second connection; wherein the spring array (4) comprises a compression spring (5) and a hydraulic and / or pneumatic damper (6); and the compression spring (5) and the damper (6) are arranged in series in the power flow from the first connection (1) to the second connection (2), such that compressive forces are transmitted from the compression spring (5) to the damper (6). The draw and buffer gear according to the invention is characterized in that a spring constant of the compression spring (5) is smaller than a spring constant of the damper (6).

A yoke for a railway car is provided with a coupler support protruding from a top wall of the yoke into an interior space in the yoke to contact the coupler shank when the coupler head is deflected downward to prevent the coupler from drooping after prolonged use.

The invention relates to a coupling rod with an end stop surface for interacting with a pressure plate of a draw and buffing device for a coupling arrangement of a track-bound vehicle, in particular a rail vehicle. The invention is characterized in that a region on the coupling rod, which carries or forms the end stop surface, is detachably connectable to it, in particular, is fixed in place.

The invention discloses a rescue device for a trapped battery car in a shield tunnel. The rescue device comprises a battery car machine head, a rescue car and a posture adjusting and controlling device. The rescue vehicle can move on a track in the shield tunnel, and a supporting seat is arranged on the rescue vehicle; the posture regulation and control device comprises two supporting beams which are arranged in parallel and have adjustable lengths, a sliding table which is arranged on the two supporting beams in a sliding manner, a jacking driving device which is fixed on the sliding table, a translation driving device which is used for driving the sliding table to slide along the length direction of the supporting beams, and a jacking frame; the jacking frame is of a rectangular frame structure, the jacking frame movably penetrates through the sliding table and is arranged between the two supporting beams, the top end of the jacking frame is connected with the jacking end of the jacking driving device, and the bottom of the jacking frame can be movably embedded into the supporting base from one side of the supporting base; landing legs with telescopic lengths are arranged on the two sides of the bottom of the supporting beam, and steel wheels are arranged at the bottom ends of the supporting legs. The rescue device can be used for quickly rescuing the battery car trapped in the shield tunnel.

The present invention relates to a damper arrangement for a railway coupler, comprising - a shell (2) with a mounting bracket - a draw bracket (3), - a damper (4) having a damper body (41) connected to the shell (2) and a piston (42) mounted on a damper head (43), the piston (42) being axially received in the damper body (41) and biased to extend in a forward direction, and - a plurality of elastomeric elements (5) arranged around the 10 damper body (4) between a first disc (53) and a second disc (52), wherein the second disc (52) is slidable to a first axial stop (32) on the draw bracket (3) at a rear part of the damper body (41), and wherein the first disc (53) is slidable to a second axial stop (44) on a forward part of the damper body (41).

In a coupler (1) of a multi-car light rail vehicle, such as a tram, a coupler head and a pivot bearing having a substantially vertical pivot axis are provided on opposite ends thereof. An actuating cylinder (4) is provided to swivel the coupler (1) about the pivot axis (3A) between a neutral position and a first angular position (ϕ1). A tensioning device (5) is functionally arranged between the actuating cylinder (4) and a part of the coupler (1) or between the actuating cylinder (4) and a car of the vehicle. In the first angular position (ϕ1), the coupler head (2) can be pivoted backward about a joint (6) into a parking position. The tensioning device (5) allows the coupler (1) to be swiveled beyond the first angular position (ϕ1) into a second angular position (ϕ2).

A coupler for coupling a railway vehicle to another railway vehicle, comprising a mounting arm for mounting the coupler to a railway vehicle, a coupling arm, and a joint, wherein the mounting arm and the coupling arm are connected to each other via the joint in such a way that the mounting arm and the coupling arm are movable relative to each other and the coupling arm can be brought into a position ready for coupling. The coupling further comprises a protective device to prevent or reduce damage to the mounting arm and / or the coupling arm and / or the joint caused by impact forces.

The utility model relates to a kind of swing block type hanging device and car hook, comprising: swing block subassembly and swing block hang;Wherein, swing block subassembly includes swing block body, swing block backing plate, elastic member and guide piece;Swing block body is provided with a top opening accommodating cavity;Swing block backing plate is set in the accommodating cavity upper, and two ends are slidably connected with swing block body respectively;Guide piece and elastic member are set in the accommodating cavity, and two ends are connected with swing block backing plate and swing block body respectively, provide elastic supporting force for swing block backing plate, swing block hang two ends are connected with the impact seat of car hook and swing block body respectively.The utility model is provided with elastic member by setting at the bottom of swing block backing plate, and elastic stroke is left for swing block backing plate and the car hook supported thereby vertically, both can meet the needs of car hook vertical and horizontal swing, and can provide centering force for car hook, realize the recovery after car hook stress.

The utility model relates to a traction rod node assembly, which belongs to the technical field of railway transportation and comprises an outer sleeve, rubber is fixedly connected to the inner surface of the outer sleeve, an inner sleeve is fixedly connected to the inner surface of the rubber, a threaded groove is arranged at one end of the inner sleeve, and a bolt hole is formed in the rubber in a penetrating manner. A limiting mechanism is installed in the inner sleeve, the inner surface and the outer surface of the rubber are both arranged to be in a convex shape, the inner surface of the outer sleeve is arranged to be in a concave shape, and the outer surface of the inner sleeve is arranged to be in a concave shape. According to the joint assembly, the outer sleeve with the concave inner surface, the inner sleeve with the concave outer surface and the rubber with the convex inner surface and convex outer surface are matched for use, so that when the joint assembly is subjected to a transverse load, the extrusion clamping force in the inclined direction is increased, the rubber is prevented from being separated, and the joint assembly is stable and reliable. Therefore, the node assembly can bear larger load, and the transportation safety of the railway vehicle is guaranteed.

In a coupler (1) of a multi-car light rail vehicle, such as a tram, a coupler head and a pivot bearing having a substantially vertical pivot axis are provided on opposite ends thereof. An actuating cylinder (4) is provided to swivel the coupler (1) about the pivot axis (3A) between a neutral position and a first angular position (φ1). A tensioning device (5) is functionally arranged between the actuating cylinder (4) and a part of the coupler (1) or between the actuating cylinder (4) and a car of the vehicle. In the first angular position (φ1), the coupler head (2) can be pivoted backward about a joint (6) into a parking position. The tensioning device (5) allows the coupler (1) to be swiveled beyond the first angular position (φ1) into a second angular position (φ2).