50results about "Railway fastening" patented technology

The invention discloses a construction method for a ballastless track of a steel base plate bearing rail table type. The construction method comprises the following steps: collecting midline mileage data of a double-block sleeper on site, synchronously widening a transition area track bed, determining the geometric dimension of a steel base plate, carrying out in-plant finish machining, synchronously arranging the steel base plate bearing rail table, calculating coordinates and carrying out on-site lofting. Drilling a track bed in the transition area and arranging a track bearing table; shifting and connecting steel rails in a transition area; track fine adjustment and operation maintenance; the steel rail is shifted back to a main line; dismantling the temporary line; repairing the existing ballast bed and the waterproof layer; the invention relates to the technical field of railways. The method solves the problem that a ballastless track structure is difficult and complex to access a new line.

The invention discloses a shuttle vehicle track structure with a hidden height adjusting mechanism and a construction method of the shuttle vehicle track structure, which can effectively reduce the height of a track and facilitate the installation of a power taking slide wire and a positioning bar code of a stacking machine. A screw head embedding groove (9) is formed in the lower bottom face of the I-shaped rail (8), a screw head of a height adjusting bolt (6) is movably arranged in the screw head embedding groove (9), a through hole (5) with an internal thread is formed in the portion, above a top end opening of the vertical embedded sleeve (2), of the ground supporting steel plate (4), and the portion, below the screw head, of the height adjusting bolt (6) is movably connected with an omega-shaped flange piece (10) in a sleeved mode. The tail end of a screw rod of the height adjusting bolt is screwed in the through hole with the internal thread, and a locking nut (7) is screwed on the height adjusting bolt below the bolt penetrating through the through hole (11) and on the height adjusting bolt between the wrench clamping hexagonal head (12) and the ground supporting steel plate (4); conditions are created for installation of the sliding contact line and the bar code positioning mechanism.

Systems, methods, and machine-readable media to facilitate installation and adjustment of railway components are disclosed. Aligning of a railway anchor manipulator and a railway fastener installer with respect to a railway tie may be caused. The railway anchor manipulator may be slidably coupled with a frame assembly of a railway workhead, and may include anchor tools. The railway fastener installer may be slidably coupled with the main shaft structure, may include a hammer assembly, and may be operable to install railway fasteners through holes of a railway tie plate. The railway fastener installer may be caused to install the railway fasteners. The railway anchor manipulator may be lowered to a deployed position, and railway anchors may be adjusted with the anchor tools.

The invention provides a sleeper type track structure, and belongs to the technical field of railway ballastless track structures, the sleeper type track structure comprises a steel rail, a long sleeper, a base, a bolt assembly and a foundation, the steel rail is installed on the long sleeper, the long sleeper is fixed on the base through the bolt assembly, and the base is fixed on the foundation; platforms are arranged on the two sides of the long sleeper in the longitudinal direction of a line, and fine adjustment thread assemblies are embedded in the two ends of the platforms. A steel rail is installed on a long sleeper, the long sleeper is fixed to a base through a bolt assembly, and the base is fixed to a foundation; the platforms are arranged on the two sides of the long sleeper in the longitudinal direction of the line, the fine adjustment threaded assemblies are embedded in the two ends of the platforms, vertical adjustment can be conveniently conducted in cooperation with the fine adjustment threaded rods in the construction process, and the constructability of the long sleeper is improved.

The present invention relates to a side-mounted insulated rail fastener, belonging to the field of railway construction. It includes a base, with a number of counterbores respectively arranged on both sides of the base. Bow-shaped fasteners are respectively arranged on both sides of the base. The bow-shaped fasteners are in the shape of angle irons, with fastening through-holes arranged on their transverse parts. A fastening nut is coaxially fixed on the fastening through-hole, and a fastening bolt is fitted inside the fastening nut. The fastening bolt passes through the fastening through-hole and is fitted with the counterbore. A pin column is vertically fixed on the inner wall of its longitudinal part, and the pin column is fitted with the pin hole on the side hanging plate of the sleeper beam. The fastening bolt is perpendicular to the steel sleeper surface. When fastening, it is not restricted by the operating space, greatly shortening the fastening time and improving the construction efficiency. The rail is tightly fixed by a buckle plate, and the degree of tightness can be adjusted. It has good rigidity and ensures the insulation effect.

The application discloses an active isolation-passive damping-energy recovery integrated composite isolation wall, belonging to the field of rail transit, comprising a magneto-rheological damping unit, a linear motor displacement control unit, a passive vibration control module, a bottom support element, a top covering module and the like; the magneto-rheological damping unit guarantees controllable damping force of the magneto-rheological damping unit through the magneto-rheological effect of magneto-rheological fluid in a cavity, and actively controls the train track in real time; the linear motor displacement control unit accurately adjusts the system displacement, and realizes active vibration control; the passive vibration control module realizes efficient vibration energy attenuation through cooperation of various elements; the bottom support element provides bearing and stable support, and the top covering module has vibration monitoring and vibration energy conversion and protection functions. The isolation wall combines real-time adjustment of active control and energy dissipation of passive control, constructs a multi-stage vibration control strategy, adapts to different vibration environments, and improves the stability and safety of the rail system.

The invention discloses a steel beam type air transportation rail fastener which comprises a fastener body and a steel rail beam, the fastener body comprises an iron base plate arranged at the bottom, a rail bearing table is arranged on the steel rail beam, and side inserting T-shaped grooves are formed in the two ends of the rail bearing table. A first T-shaped bolt upwards penetrating through the iron base plate is arranged in the side inserting T-shaped groove, the upper end of the first T-shaped bolt is sequentially sleeved with a first flat washer, a spring washer and a first nut, a connector groove is formed in the middle of the rail bearing table, and a connector block capable of being embedded into the connector groove is arranged at the bottom of the iron base plate. According to the steel beam type air transportation rail fastener, the laying characteristic of an air rail fastener is utilized, holes are drilled in the rail bearing table welded to the steel rail beam through the overhead steel rail beam, the iron base plate is directly matched with the steel rail beam, transverse force is transmitted, the rail bearing face does not need to be machined complexly, and the steel beam type air transportation rail fastener is simple in structure and convenient to use. And the possibility of bolt shearing caused by transverse force is reduced.

The present invention relates to the field of rail transit technology, and discloses a removable support structure suitable for assembled tracks of urban rail transit, wherein the support structure is a wedge-shaped support block, and the wedge-shaped support block is arranged between a prefabricated track plate and an arc-shaped shield segment, and the prefabricated track plate is composited with a vibration-damping pad layer, and the vibration-damping pad layer is located under the prefabricated track plate; two prefabricated plate reserved guide grooves that engage with the wedge-shaped support block are arranged on both sides of the prefabricated track plate, and before the filling layer is formed, the wedge-shaped support block is used to support the prefabricated track plate, and after the filling layer is formed, the wedge-shaped support block is unloaded internally, and the support of the wedge-shaped support block to the prefabricated track plate is cancelled, so as to achieve close contact between the vibration-damping pad layer and the filling layer. The present invention can quickly support and cancel the support of the prefabricated track plate by changing the internal structure of the support structure under the prefabricated track plate, and also ensures the vibration reduction effect of the assembled track of rail transit.

A track structure for a magnetic levitation train and a manufacturing method thereof are provided to effectively suppress the exfoliation of an adhesive layer between laminated electrical steel sheets, thereby improving the structural stability and durability of a track. According to an embodiment of the present invention, the track structure for a magnetic levitation train comprises: a track unit formed by stacking, by using an adhesive layer, a plurality of electrical steel plates provided in a shape having a predetermined length and height to be applied to a track of a magnetic levitation train; and a reinforcement unit provided at a position at which structural stability of the track unit along a longitudinal direction of the track unit is reinforced to reinforce the bonding of the adhesive layer of the track unit and suppress the exfoliation of the adhesive layer according to a load and deformation applied to the track unit.

A rail fastening system (10) comprises a base plate (12) configured to sit on a support (14) and having a first recess 16 for receiving a length of a rail (18). The system (10) also includes a plurality of spring clips (20i) and (20t) arranged to clamp the base plate (12) between the rail (18) and the support (14); and in doing so fasten the rail (18) to the support (14). A resilient rail pad (21) may be placed in the recess (16) prior to the recess receiving the rail (18), so that the rail (18) sits on top of the rail pad (21). The plate (12) is not secured to the support before application of the clips. The clips are applied by pushing them over the base plate in direction perpendicular to the extent of the rail.

A guide tube according to an embodiment of the present invention may comprise: a tube main body member; a rib member arranged in the longitudinal direction of the tube main body member and coupled to the inner surface of the tube main body member; and a rail support member connected to the rib member.

The invention discloses an anti-loosening and anti-falling structure for railway turnout bolts, which comprises a pair of steel rail washers, ratchet bolts, ratchet nuts and a U-shaped plate spring component, the steel rail washers are distributed on two sides of a steel rail, and the ratchet bolts penetrate through the steel rail washers and the steel rail and are screwed with the ratchet nuts through threads; the U-shaped plate spring assembly is detachably installed on the steel rail gasket and used for limiting rotation of the ratchet bolt and the ratchet nut, the turnout bolt is simple in structure and convenient to install, the anti-loosening and anti-falling performance of the turnout bolt can be improved, and the use requirement can be better met.

A positioning pipe capable of effectively locking a round pipe comprises a pipe body and a pipe locking member, the pipe body is provided with a pipe locking hole; an annular frame is formed by extending from the pipe locking hole toward the outside; at least one position adjusting groove is formed in the frame and extends from a free end to the inside; the frame is divided into a plurality of frame blocks by the position adjusting groove; the pipe locking member includes a body portion and a locking member arranged on the body portion; the round pipe is inserted into the pipe locking hole and the frame; the body portion of the pipe locking member sleeves the frame; and the body portion is locked on the frame through the locking member.

The invention relates to the technical field of sleepers, and discloses a fastener type track and embedded track system conversion sleeper and a construction method thereof.The fastener type track and embedded track system conversion sleeper comprises a sleeper body, a fastener mounting hole used for mounting a fastener system is formed in the top face of the sleeper body, and the fastener type track and embedded track system conversion sleeper further comprises a plurality of conversion mounting holes formed in the two sides of the top face of the sleeper body correspondingly; and the fixing steel tank is mounted by matching with the fixing bolts. When the vibration reduction grade of the track needs to be improved, the original fastener system can be disassembled, and then the steel tank of the steel tank type embedded track is directly fixed through the conversion mounting holes in the sleepers, so that the transformation efficiency is obviously improved, free conversion between the fastener type track and the embedded track system can be realized, and when a line is newly built, the steel tank can be directly fixed through the conversion mounting holes in the sleepers. A steel rail is connected with a steel groove through a connecting tool, the steel groove is connected with a sleeper through a fixing bolt, a novel track panel of the steel rail, the connecting tool, the steel groove and the sleeper is formed, and line construction is completed according to a traditional track panel method construction mode.

An e-clip installation machine for securing rails to steel ties via automating and reducing the time required for installing e-clips that attach rails to steel ties is provided. The e-clip installation machine automates the process of securing rails to steel ties via inserting e-clips into a respective shoulder clip on either side of the two rails. A pair of hydraulic jaws clamp the steel tie and bring it up against the underside of the rails. Two e-clips for each rail are placed in position at the respective shoulder clips. Two pairs of hydraulic clamp mechanisms, corresponding to each rail, press the respective e-clips through openings within the respective shoulder clips. The e-clip installation assembly includes a jaw assembly and two clamp assemblies. Each clamp assembly includes a pair of clamp mechanisms, positionable on either side of a rail in proximity to a shoulder clip affixed to a steel tie. A clamp mechanism is utilized to compress an e-clip within an opening of the shoulder clip.

The present invention discloses an assembled floating unit plate and an assembly connection construction method, including a plurality of floating plate unit blocks and a connection structure. The plurality of floating plate unit blocks are arranged in sequence along the extension direction of the track line. The connection structure is arranged between adjacent floating plate unit blocks, so as to connect the plurality of floating plate unit blocks to form a linear floating unit plate extending along a straight line, or to connect the plurality of floating plate unit blocks to form a curved floating unit plate with a curved curvature. Compared with the common prefabricated floating plate in the prior art, the floating unit plate of the present invention is not limited by the construction space and transportation and hoisting, and can be transported and hoisted more conveniently and labor-savingly; it can be connected to form a floating unit plate of any length according to the actual length of the track line, and has a very high flexibility in use, a stable and firm floating unit plate structure, no connection gap between adjacent floating plate unit blocks, very high driving safety, and a very good vibration reduction effect.

A rail fastener sealing system includes a pin having a substantially cylindrical elongate body and a pin channel configured to receive a fastener that secures a rail to a sleeper. The sealing system also includes a seal at one end of the pin. The seal includes a flexible body having a central channel extending through the flexible body; and a lip extending circumferentially around the opening of the central passage. The lip of the seal is disposed proximate the end of the pin, and at least a portion of the flexible body of the seal is located within the pin channel.

The present invention discloses a wheel guiding and transition device for a track at a dock expansion joint structure. The first base and the second base are fixed on a concrete foundation by anchor bolts. A expansion joint distance equal to that between the concrete foundations is left between the first base and the second base, which can be adjusted according to the use site. The connecting track is inserted into the first base and the second base by an insertion structure. A semi-circular groove is left at the middle position of the first base for installing the shaft of the conical switch. The switch shaft seal assembled on the conical switch is locked by countersunk screws to achieve shaft connection. The upper plane of the conical switch is designed with a small-angle slope for smoothness. The tail end of the conical switch is designed in a conical shape and placed on the second base to avoid the collision between the wheel flange and the connecting track or the conical switch. The first base and the conical switch remain stationary, and the second base is driven by the concrete foundation where it is located to displace. The present invention eliminates the adverse effects of the outside on the track and ensures transportation safety.

The application provides a sleeper, relates to the technical field of railway tracks, and comprises a sleeper body, a rail lifting assembly and a gasket. The sleeper body comprises a rail bearing groove and a rail lifting through hole, the rail lifting through hole is arranged through the sleeper body in the vertical direction, the rail lifting assembly comprises a rail lifting screw and a rail lifting plate, the rail lifting screw is threadedly connected in the rail lifting through hole, and one end of the rail lifting screw extends out of the rail lifting through hole, the rail lifting plate comprises a plate body and an abutting column, the plate body is arranged in the rail bearing groove, and one end of the abutting column extends into the rail lifting through hole. The gasket is arranged between the rail lifting plate and the rail bearing groove. The sleeper comprises a bearing state and an adjustment state, in the bearing state, the stress of the rail is transmitted to the rail bearing groove through the rail lifting plate and the gasket in sequence, and the abutting column and the rail lifting screw are separated from each other; in the adjustment state, the rail lifting screw is configured to rotate and can push the abutting column to rise. The sleeper can avoid using the hydraulic rail lifter which is easy to cause many problems, and can realize more convenient and rapid gasket replacement operation.

The present invention discloses an anti-climbing device for a railway track system, with the extension direction of the track as the longitudinal direction, and the direction perpendicular to the longitudinal direction in a plane parallel to the track surface as the transverse direction, wherein the anti-climbing device comprises at least one pair of anti-climbing devices arranged in a transverse symmetrical manner, the anti-climbing device comprises an anti-climbing base and a force transmission pad, the anti-climbing base is arranged at the bottom of the rail and between two adjacent sleepers, the longitudinal side end faces of the anti-climbing base are respectively fitted and abutted against the longitudinal end faces of the two adjacent sleepers, the force transmission pad is connected to the upper end of the anti-climbing base, and the force transmission pad is symmetrically fitted on the side faces and bottom of the two sides of the rail. The present invention can solve the problems of poor anti-climbing effect and short service life of the existing railway track anti-climbing device.

The invention discloses a supporting arm for a rail machine, which is mounted on a bracket and comprises a supporting body and a connecting body, the supporting body is provided with at least two vertical mounting holes, two corresponding side walls of the supporting body are recessed inwards to form arc recesses respectively, and the arc recesses are positioned in the middle of the connection of the centers of the two vertical mounting holes; at least one transverse mounting hole is formed in the connecting body, and the transverse mounting hole is matched with the mounting seat. According to the supporting arm for the rail machine, the multiple vertical mounting holes and one or more transverse mounting holes are formed, so that connection between the supporting arm and the support and connection between the supporting arm and the rail are firmer and safer, the overall strength of the supporting arm is further enhanced through the design of the connecting plates and the arc concave parts, and safety is higher.

The invention discloses a ballastless track system and a macromolecule elastic composite material removing and replacing method thereof, and relates to the technical field of urban rail transit construction.The system comprises a rail bearing groove, a steel rail and a macromolecule elastic composite material, and a layer of PTEF teflon glass fiber composite bonding belt is further laid at the bottom of the rail bearing groove; and the bonding surface of the bonding belt is bonded with the groove bottom of the rail bearing groove. The method comprises the following steps: S1, confirming to clear a replacement section; s2, an integral cutting process; s3, cleaning work; s4, carrying out drying treatment; s5, treatment before pouring is conducted, specifically, a layer of PTEF Teflon glass fiber composite bonding belt is laid at the bottom of the rail bearing groove, the bonding belt is made to be completely attached to the interface of the bottom of the rail bearing groove, and the side wall of the rail bearing groove is coated with a layer of macromolecule elastic composite material bonding agent; s6, accurately positioning the steel rail; and S7, overall pouring is conducted. According to the method, the whole structure of the high-molecular elastic composite material coated steel rail can be easily taken out, so that the removal and replacement operations are more convenient, and the requirements of short outage period and rapid construction of urban rail transit can be met.

The invention relates to a rail transit technology, and aims to provide a rail brace slide plate assembly based on a composite locking structure. Comprising a bottom plate fixedly provided with a sliding bed table. The rail brace comprises a wedge-shaped supporting part and a frame-shaped mounting part, and the composite locking structure comprises an elastic strip, a pressing block, an iron seat and a mounting groove, wherein the iron seat and the mounting groove are arranged on the bottom plate; an acute included angle is formed between the mounting groove and the stock rail, the rail brace is arranged on the iron base in a sleeved mode through the frame-shaped opening, and the prismatic protrusion is embedded into the mounting groove. The pressing block is arranged on the iron base in a sleeved mode, the elastic strip is inserted into the iron base, and the pressing block is meshed with the frame-shaped installation part through a tooth-shaped structure. By means of the design, when the track gauge needs to be adjusted, only the elastic strip needs to be taken out, the track brace is moved to a proper position along the installation groove, and then the elastic strip is buckled; the whole process is simple to operate, and the problem of failure of a traditional rail brace is avoided; the rail brace slide plate assembly integrates three anti-loosening mechanisms of wedge-shaped friction, tooth-shaped meshing and slide groove limiting, the stability is good, and the track gauge is convenient to adjust.

A rolling vehicle track including a first wall and a second wall each positioned between and connected to a third wall and a fourth wall. The track further includes a bracket having a first bracket portion, a second bracket portion, a third bracket portion, and a fourth bracket portion, the first bracket portion connected to the third wall, and the fourth bracket portion connected to the first wall. The track further includes the first wall, the second wall, the third wall, and the fourth wall defining a first quadrilateral chamber. The track further includes the first bracket portion, the second bracket portion, the third bracket portion, and the first wall defining a second quadrilateral chamber, the first wall, the second wall, the third wall, the fourth wall, and the bracket are interconnected without welding.

The invention discloses a stepless adjustment floating slab track outer sleeve suitable for an existing vibration isolator, which comprises a sleeve used for being fixed in a floating slab and further comprises a force bearing plate matched in the sleeve through threads, and a channel is arranged on the force bearing plate. The invention provides a stepless adjustment floating slab track outer sleeve suitable for an existing vibration isolator, and aims to solve the problems that whether the vibration isolator with a stepless height adjustment function is suspended again cannot be judged in the prior art; the problems that operation and maintenance personnel easily misjudge the real state of the vibration isolator and the actual service performance of a floating slab track system is difficult to guarantee in the prior art are solved, and the purposes that the empty hanging phenomenon of the vibration isolator can be effectively eliminated and the state judgment of the vibration isolator in the service process is not affected are achieved.

The invention discloses an active isolation-passive attenuation-energy recovery integrated composite isolation wall, which belongs to the field of rail transit and comprises a magneto-rheological damping unit, a linear motor displacement control unit, a passive vibration control module, a bottom supporting element, a top covering module and the like. The magneto-rheological damping unit is guaranteed to generate controllable damping force through the magneto-rheological effect of magneto-rheological fluid in a cavity, and real-time active control is carried out on a train track; the linear motor displacement control unit accurately adjusts the system displacement to realize active vibration control; the passive vibration control module realizes efficient attenuation of vibration energy through cooperation of various elements; the bottom supporting element provides load bearing and stable supporting, and the top covering module has the functions of vibration monitoring and vibration energy conversion and protection. According to the isolation wall, active control real-time adjustment and passive control energy dissipation are combined, a multi-stage vibration control strategy is constructed, the isolation wall adapts to different vibration environments, and the stability and safety of a track system are improved.

The present invention relates to a seamless combined frog, which includes a frog heart, wing rails, and heel rails. There are a front frog spacer and a rear frog spacer at the front section L1 and the rear section L2 of the frog heart respectively. The front frog spacer and the rear frog spacer are engaged with the wing rails and heel rails, and bolts are used for fastening and installation. Advantages: Compared with the prior art 1, firstly, the cooperation length between the wing rail and the frog heart in the present invention is shorter, about 1 / 4 of that in the prior art, without an intermediate spacer and an inner splint. Therefore, the structure of the present invention is simple and suitable for mass production. Secondly, the main structural components in the prior art are the switch rail, wing rails, and welded wing rails, among which the switch rail and the welded wing rails are made of alloy steel. The main components are vulnerable components or components prone to failure. However, the main structural component in the present invention is the frog heart, and the frog heart can be manufactured using a variety of materials or processes, with a wider material adaptability. If the main structure fails during service, it can be assembled online with replacement, resulting in low manufacturing costs and low maintenance costs.

An improved rail anchoring spike that includes a conical swell adapted to engage with a hole in a metal tie plate during fastening of the metal tie plate to a tie. The conical swell has a smaller diameter toward a pointed end of the spike and a larger diameter toward a head of the spike. The smaller diameter is slightly larger than a diameter of a body of the spike. An angle formed by the conical swell relative to a center line passing through a center of the body of the spike matches an angle of the hole in the metal tie plate relative to a center of the hole.

The invention relates to a rail fastening assembly in the technical field of rail traffic, and the rail fastening assembly comprises a pressing plate, the pressing plate comprises a base connecting part and a pressing tongue mounting part, and the pressing tongue mounting part is integrally formed on the side face of the base connecting part; the pressing tongue is an elastic structure body and comprises a sleeving part and a pressing part, the sleeving part comprises a containing cavity, the pressing tongue mounting part is sleeved with the sleeving part through the containing cavity, the sleeving part is in tight pressing contact with the pressing tongue mounting part, and the pressing part is integrally formed on the lower surface of the sleeving part and used for being in pressing connection with a rail; and the base connecting part is located and connected to the base. The pressing tongue and the pressing plate are of a sleeved connection structure, the structure is simple, maintenance is convenient and fast, the problems of tedious technology, local corrosion, complex pressing tongue replacement and the like caused by a glue joint technology are fundamentally solved, overall stress is uniform, and the service life is long. The problems that metal connecting pieces need to be embedded in rubber blocks due to bolt connection, and the rubber blocks are prone to damage due to uneven stress are solved, and the rail fastening effect is effectively improved.