137results about "Rail joints" patented technology

A bonded, electrically insulated rail joint (IRJ) assembly for railways or subways is realized by machining two standard switch rails and subsequently coupling them by use of a lower bolted cover plate.

A fixture for a rail includes a plate and an overhang rigidly extending from the plate, in which the overhang defines a slot beyond the plate. The plate defines a head interfacing edge and a foot interfacing edge, in which each of the head interfacing edge and the foot interfacing edge extending parallel to a longitudinal axis. The overhang extends from the foot interfacing edge and disposes the slot parallel to and spaced apart from the foot interfacing edge. The overhang includes a proximal slot surface and a distal slot surface. The proximal slot surface and the distal slot are spaced apart and defines the slot therebetween. A rail clamp system may include the fixture coupled with an acceleration measurement module which in turn may be configured for operable communication with a wireless data transmission module.

The invention relates to an expansion joint for connecting regions of a rail-based grid storage system, the expansion joint comprising: a first rail element and a second rail element, the rail elements being elongated and configured to slide relative to one another in a longitudinal direction in a junction area where they overlap, the expansion joint having a profiled upper surface that defines one or more tracks for supporting container handling vehicles, the tracks extending from the first rail element through the junction area to the second rail element, wherein in the junction area, each rail element provides a portion of the or each track of the profiled upper surface so that there is a transition extending along the expansion joint from the first rail element to the second rail element for the or each track. The invention further relates to an automated storage and retrieval system comprising said expansion joint and a method of connecting regions of a rail-based grid storage system and / or delivery rail system using one or more of the expansion joints.

The present invention relates to the field of tram track laying construction. Disclosed is a method for laying a jointed ballasted track for trams on small-radius curves. In the method, by adjusting and fixing track alignment before ballast laying and track finishing, the conventional construction sequence of ballast laying and track finishing is changed, track lifting and alignment adjustment for small-radius curves are carried out prior to ballast laying and tamping, and during track laying, sleepers are densely arranged at rail joints, and concrete buttresses are added beside the sleepers to secure the sleepers in place and counteract the bending stress of rails, ensuring precise control of track alignment and elevation on the small-radius curves, and realizing laying of the jointed ballasted track for trams on the small-radius curves. After construction, ballast laying and track finishing on the small-radius curves can meet track operation requirements in a single pass, ensuring smooth and safe tram operation.

The invention belongs to the technical field of insulating materials, and particularly provides an epoxy glass fiber composite insulating material and a preparation method and application thereof. An epoxy glass fiber composite insulating material comprises epoxy resin, modified glass fiber cloth, modified carbon fiber cloth, epoxy POSS (polyhedral oligomeric silsesquioxane), a curing agent and a diluent, and the modified glass fiber cloth is prepared by modifying a composite modification liquid and a silane coupling agent; the modified carbon fiber cloth is prepared by oxidation of mixed acid and modification of composite modification liquid; the composite modified liquid is prepared by compounding a hydrophobic modified lignin solution and modified MOF; the modified lignin solution is prepared from oleic acid and lysine modified lignin; the modified MOF is prepared from MOF modified by polydopamine. The epoxy glass fiber composite insulating material prepared by the invention has good flame retardance, impact resistance, corrosion resistance and self-repairing performance.

The utility model relates to a pull rivet fastener with an anti-drop structure for laying a railway track, which comprises a track skeleton steel rail, a connector, a screw and a circular ring, the track skeleton steel rail and the connector are internally provided with insertion holes, the end part of the screw is provided with a hexagonal end, the outer surface of the screw is coaxially provided with a plurality of arc-shaped latches in an array, and the arc-shaped latches are connected with the connector. The outer surface of the screw is in threaded connection with a nut, a hexagonal limiting sleeve is installed on the outer surface of the track panel steel rail, and the hexagonal limiting sleeve is matched with the nut. Through positioning matching of the self-locking mechanism and the arc-shaped clamping teeth, the screw rod can only rotate in a single direction, the self-locking purpose can be achieved when the screw rod stops rotating, the situation that a rail is loosened in the using process is avoided, and due to the fact that the self-locking mechanism is arranged on the outer side of the connecting joint, an operator can operate the connecting joint conveniently, and the working efficiency is improved. Therefore, the purpose of being convenient to disassemble can be achieved, the rail can be conveniently maintained and replaced in the later period, and use is convenient.

The invention discloses a slope track for a railway vehicle, which comprises a first module and a second module, and the first module and the second module are arranged on a workshop track; the first module is connected with the truck through a first limiting assembly, and the first module is connected with the second module through a second limiting assembly; the limiting mounting seats are arranged on the first module and the second module, and the limiting mounting seats are used for limiting the first module and the second module on a workshop track. The installation stability of the first module and the second module is guaranteed through the limiting installation base, the first module is connected with the second module and the truck through the first limiting assembly and the second limiting assembly, the overall stability of the slope rail in the rail vehicle transportation process is achieved, and the rail vehicle can be conveniently transported to the truck.

The utility model discloses a monolithic track bed which comprises two concrete longitudinal beams arranged in parallel, the concrete longitudinal beams are connected with a ground foundation, transverse connecting rod pieces are evenly arranged on the top between the concrete longitudinal beams, and a horizontal reinforcing rib net is arranged on the lower portion between the concrete longitudinal beams. The top of the concrete longitudinal beam is further provided with a rail welding seam stability maintaining mechanism, and the rail welding seam stability maintaining mechanism is arranged corresponding to a welding seam of a rail arranged on the top of the concrete longitudinal beam. The problem that no corresponding mechanism is arranged on an existing monolithic track bed to deal with the internal cracking condition of the track welding position is solved.

An electrically insulating railway end post (100) adapted for placement between ends (10a, 20a) of a pair of railway rails (10, 20), each of said rails comprising a head section (11, 21), a foot section (13, 23) and a relatively narrow intermediate web section (12, 22) connecting the head section and the foot section, said end post comprising: a first portion (110) and a second portion (120) detachably attached to each other via interlocking elements, wherein the second portion comprises a foot section of the end post; wherein the first portion is provided with a sealant holding section (111a,111b,111c) comprising a plurality of recesses (112a, 112b, 112c) for receiving therein a liquid sealant (160), wherein the recesses are configured to provide a form fit between the sealant and the recesses when the sealant is cured, wherein the first portion (110), including the plurality of recesses, is adapted for insertion between two ends (10a, 20a) of a pair of railway rails. The application further relates to a method of repairing such a railway end post, and to a first portion for such an end post.

A walking track adjusting fastener is used for connecting and fixing a steel rail and comprises a bearing mechanism, a plurality of pressing mechanisms and an adjusting mechanism, the pressing mechanisms and the adjusting mechanism are all arranged on the bearing mechanism, and the adjusting mechanism is located between the bearing mechanism and the pressing mechanisms. The bearing mechanism comprises a reference bottom plate and a plurality of fixing bolts; the pressing mechanism comprises a plurality of pressing buckle plates and a plurality of pressing bolts; the adjusting mechanism comprises an adjusting plate and an adjusting bolt. In addition, the utility model further provides a train track structure. According to the utility model, the running track adjusting fastener with the adjusting mechanism and the train track structure are designed, so that the train track can more easily, simply and conveniently adjust the posture of a steel rail; the connecting mechanism in the fastener can firmly connect the two spliced steel rails, so that the overall stability of the running track is further improved; the utility model has the advantages of strong practicability and strong popularization significance.

The invention discloses a steel rail on-site cementing insulation joint and a cementing method thereof. An insulation end plate is placed between a first steel rail and a second steel rail; the gluing insulation clamping plate is placed in the rail webs of the first steel rail and the second steel rail, the composite material groove-shaped plate of the gluing insulation clamping plate is attached to the rail web walls of the first steel rail and the second steel rail, and a rough first to-be-glued face suitable for bonding is formed on site on the first face, attached to the first steel rail and the second steel rail, of the composite material groove-shaped plate; the first to-be-bonded surface is bonded with the rail waist walls of the first steel rail and the second steel rail through the adhesive, and the composite material groove-shaped plate can cover the part of the first steel rail, the part of the second steel rail and the gap between the first steel rail and the second steel rail, so that the bonding strength and the overall sealing performance of the field bonding insulation joint are improved; the insulating layer is formed by the adhesive, the composite material groove-shaped plate and the groove-shaped rubber plate together, so that the thickness of the insulating layer is increased, and the insulating performance of the field cementing insulating joint is improved.

The utility model belongs to the field of railway steel rail accessories, and particularly relates to an intelligent railway track clamping plate with a stress balancing structure. The utility model provides an intelligent railway track clamping plate with a stress balancing structure. The intelligent railway track clamping plate comprises a core layer, a transition layer and an outer layer, the core layer is strip-shaped and is made of butadiene styrene rubber composite glass fibers; the transition layer is coated on the outer surface of the core layer and is made of stainless steel; and the outer layer is coated on the outer surface of the transition layer and is made of silicon nitride ceramic. According to the intelligent railway track clamping plate with the stress balancing structure, internal stress can be reduced, the service life is prolonged, the intelligent railway track clamping plate is lighter, and intelligent detection can be achieved through the built-in sensor.

To provide a transport facility capable of suppressing vibrations caused in a transport vehicle when the transport vehicle passes through an overlapping region between a door locus which is a moving locus of a door, and a rail travel route.SOLUTION: A movable rail section 6 is capable of changing its posture between a connecting posture in which it is arranged in the overlapping region and connects a first fixed rail section 40 and a second fixed rail section 41, and a retracted posture in which it retracts from the overlapping region and divides the first fixed rail section 40 and the second fixed rail section 41. When the movable rail section 6 is in the connecting posture, it becomes a normal posture that does not overlap with a transport vehicle locus which is a moving locus of the transport vehicle, and a transport facility comprises a regulating device 7 that, in conjunction with the movable rail section 6 changing its posture from the connecting posture to the retracted posture, becomes a protruding posture that protrudes to a position that overlaps with the transport vehicle locus and regulates the travel of the transport vehicle.SELECTED DRAWING: Figure 5

A small-radius curve joint insulation device with guard rails comprises a spacer block lapped between two butt-joint steel rail interfaces, an insulation inner clamping plate is arranged between the spacer block and a steel rail, an insulation outer clamping plate opposite to the insulation inner clamping plate is arranged on the outer side of the steel rail, and a spacer piece is arranged between the butt-joint steel rail interfaces; the I-shaped section insulation is combined with the spacer block and the groove-shaped insulation, so that the problems of pulling deformation and insulation failure caused by uneven stress of double-section insulation are solved; the insulation assembly can be better attached to a track structure, stress is effectively dispersed, the impact resistance is improved, long-term stable operation is ensured, and the requirements of high-load and high-frequency train operation are met. According to the device, the mechanical strength of the insulation assembly is improved, the problems of deformation and aging caused by long-term use are reduced, the service life of equipment is prolonged, the stability and reliability of a track circuit are further improved, and safe and efficient operation of railway transportation is ensured.

This invention relates to the technical field of installation tools used in the production of adhesive-bonded insulating joints for railway turnouts. Specifically, it relates to an alignment and installation device for adhesive-bonded insulating clamps, including an installation platform. The upper surface of the installation platform is provided with a first horizontal groove for installing rails. Alignment mechanisms are provided on both sides of the first horizontal groove, and these mechanisms are used to simultaneously align and install two adhesive-bonded insulating clamps in the fishtail spaces on both sides of the rail. By providing alignment mechanisms on both sides of the rail, the adhesive-bonded insulating clamps on both sides of the rail can be aligned and installed quickly and simultaneously. Furthermore, this device can also install adhesive-bonded insulating clamps corresponding to various rail types, significantly improving installation and production efficiency, thereby reducing the current difficulty in producing adhesive-bonded insulating joints.

A rail system comprising: a first beam and a second beam each comprising a respective upper surface configured to provide a track, a respective pair of sidewalls extending downwards from the respective upper surface and defining a lateral extent of the respective beam, a respective cut-out extending through the respective pair of sidewalls defining a respective cut-out volume extending through the lateral extent of the respective beam and wherein the first beam and the second beam are arranged perpendicular to one another, with the first beam uppermost and the second beam underneath, and the cut-outs of both beams aligned, such that the first beam and the second beam interlock and the first upper surface and second upper surface lie in a single plane, and wherein the rail system comprises a locking arrangement configured to lock the beams together.

The present invention provides a storage system comprising a first region (50) and a second region (50') of a rail system (108), wherein each of the first region and the second region has rails (110,111) with a profiled upper surface that define one or more tracks (27', 27") for supporting container handling vehicles (201, 301, 401), and each rail of at least one pair of parallel rails (110) of the first region (50) is connected to a corresponding rail of a pair of rails (110') of the second region (50') via an expansion joint (10,10'), the expansion joint comprises: - a first rail element (12) and a second rail element (11), the rail elements (12, 11) being elongate and configured at a first end (22, 23) to allow the first ends (22, 23) of the first and second rail elements to move relative to one another in a longitudinal direction in a junction area (14) where they overlap, and - a profiled upper surface that defines one or more tracks (27', 27"), the tracks (27', 27") extending from the first rail element (12) through the junction area (14) to the second rail element (11), and wherein a second end (24) of the first rail element (12) is pivotably connected to the first region (50) of the rail system (108) around a first vertical axis (VI), and a second end (25) of the second rail element (11) is pivotably connected to the second region (50') of the rail system (108) around a second vertical axis (V2).

The utility model discloses a railway rail fastening clamp for preventing rail fracture, which relates to the technical field of railway rail fastening and comprises a first rail, a second rail is movably mounted on one side of the first rail, a connecting mechanism is mounted between the first rail and the second rail, and sleepers are movably mounted at the lower ends of the first rail and the second rail. Under the cooperation of the support plate, the bidirectional screw rod, the threaded seat, the knob, the clamping block, the boss, the guide rod and the guide block, the movable clamping block can be gradually close to each other, so that the two groups of rails and the end parts of the two sides of the positioning plate can be clamped and moved, and a motor car can run more stably when the rails are put into use; and meanwhile, when the long-handle screw rod cannot bear load and is broken due to long-term repair, the clamping block can also help the user to secondarily fix the two groups of rails, and when the joints of the rails are broken, disasters are prevented from being generated from the source, the user is helped to reduce the injury to the minimum, and the running safety of the bullet train is protected.

This utility model proposes a fastening bolt for rail connections, belonging to the field of track technology. It addresses the problem in existing technologies where bolts are directly used to connect rail clamps and tracks, which are prone to loosening under vibration and impact, leading to decreased track smoothness and affecting train or operational safety. The bolt includes a bolt body that mates with a through hole in the rail clamp. One end of the bolt body has a stop block with a diameter larger than the through hole. A nut is screwed onto the bolt body, and an elastic element is also fitted onto the bolt body, located between the stop block and the nut. This utility model effectively solves the problem of traditional rail connection bolts loosening due to vibration by incorporating the elastic element, improving the stability and reliability of the rail connection and reducing safety hazards caused by bolt loosening. Secondly, the elastic element can buffer the alternating stress generated on the bolt by train operation, reducing bolt fatigue damage, extending bolt service life, and lowering maintenance costs.

A track processing machine (1), in particular an impact wrench machine for track processing, comprises at least a handle (14, 15a) for manually guiding the track processing machine (1), a first assembly (2) with a processing head (6) which is rotatable about a rotary axis (7) for track processing, a second assembly (3), and a connecting unit (4) for mechanically connecting the first assembly (2) with the second assembly (3) and for reducing a longitudinal dimension of the track processing machine (1) along the rotary axis (7).

The present invention relates to a transition construction (10B) for bridging a structure joint (14) between two structure parts (12) and (12b) of a structure (12). The transition construction (10B) has at least two crossmembers (16), which are mounted on the structure edges, and at least one lamella (20), which is mounted so as to be displaceable on said crossmembers (16), wherein a main sliding surface (22) is arranged between at least one crossmember (16) and at least one lamella (20). The main sliding surface (22) has at least two component sliding surfaces (22a) and (22b), which are each arranged in sliding planes (34a) and (34b) that are angled with respect to one another, wherein the sliding planes (34a) and (34b) meet at a common line of intersection S that forms a movement axis A, along which the lamella (20) can move relative to the crossmember (16). Here, at least one sliding plane (34a, 34b) is arranged at an inclined angle with respect to movement plane B of the transition construction (10B).

The application discloses a kind of steel rail joint temporary coupling device, including the steel rail clamping plate being arranged in the both sides of the rail waist of two adjacent steel rails, the outer side of the rail joint of two adjacent steel rails is provided with intermediate clamping device, the both sides of intermediate clamping device are respectively provided with side edge clamping device, intermediate clamping device includes two intermediate clamps respectively arranged in the outer side of two steel rail clamping plates, two intermediate clamps are fixedly connected, intermediate clamps are clamped with rail bottom and steel rail clamping plate respectively, the upper portion of intermediate clamps is provided with upper pressing strip, upper pressing strip is provided with inclined plane and inclined plane is inserted into the gap between rail head and steel rail clamping plate, side edge clamping device includes two small clamps arranged in the outer side of two steel rail clamping plates and vice clamping plate arranged in the outer side of small clamp, two small clamps and vice clamping plate are fixedly connected by second long screw, small clamp is clamped with rail bottom and steel rail clamping plate respectively.The application avoids or reduces the increase of rail joint, and avoids the beating of rail joint, to prevent the damage of steel rail joint.

The invention relates to a method for welding travelable components of a rail by means of flash butt welding in a welding device, comprising the steps of plane firing, preheating, fusing and upsetting, in which a welding region is produced by an upsetting process, and then the welding region from the welding heat is subjected to a cooling step (5), in the cooling step, the austenitic structure of the welding region is converted into a pearlitic structure, after which the welding region is subjected to a reheating step (6), in which the welding region is heated above the Ac1 conversion temperature, wherein heating is carried out by resistance heating in a welding device using a power supply for flat firing, preheating and melting, and subsequently the region of the component that is in contact with the wheel, in particular the rail head, is subjected to cooling (7) in the welding region.

The present invention discloses a rail joint gap compensation structure, namely a rail. This rail joint gap compensation structure is installed between the gaps of two rails. The rail has a rail head, and the two rails are connected by rail splints. The rail is used to carry trains. The rail joint gap compensation structure includes a base, a top cover, and a connection part. The two ends of the base are respectively detachably connected to the two rails. The cross-sectional shape of the top cover is the same as the cross-sectional shape of the rail head, and the top cover and the rail head are at the same height. The top cover is slidably connected above the base, and the two ends of the top cover are respectively in contact with the two rail heads. The material of the top cover is a material with the characteristic of thermal shrinkage and cold expansion. The connection part is respectively connected to the rail splint and the top cover, and the material of the connection part is a material with the characteristic of thermal expansion and cold contraction, which is used to make the top cover and the two rail heads flush at the contact surface with the train. The present invention eliminates the gap between the rails, thus solving the problem of discontinuous track structure caused by the existence of gaps in the prior art.

The freezing clamping plate convenient to disassemble comprises a freezing clamping plate body, a plurality of screw holes are formed in the freezing clamping plate body at intervals, jacking bolts are detachably connected in the screw holes, and external threads corresponding to internal threads of the screw holes are arranged outside the jacking bolts. A traditional hammering mode is replaced with thread transmission of the ejection bolt, mechanical damage to the contact face of the clamping plate and the steel rail caused by external force impact is avoided, it is guaranteed that equipment can be repeatedly used, operation is convenient, and work efficiency can be improved.

The utility model discloses a novel steel rail welding seam reinforcing device which is characterized in that a first clamping plate and a second clamping plate are arranged on the two sides of a rail web of a steel rail respectively, the first clamping plate and the second clamping plate are arranged to be of a protruding structure at the position of a steel rail welding seam, and the first clamping plate and the second clamping plate are connected and fixed through a clamp. The clamp is of a groove structure and comprises a first clamp end and a second clamp end which abut against the first clamping plate and the second clamping plate respectively, and a clamp concave part arranged at the bottom of the steel rail. The clamping plate structure is of a protruding structure, welding seams can be effectively avoided, and meanwhile the rigidity of the clamping plate is guaranteed; by arranging the clamps, the connecting stability and the bearing capacity are enhanced, and the reliability of fixing the steel rail by the clamping plates is guaranteed.

To provide a rail gas pressure welding machine with good workability, in which a following movement mechanism does not bulge out in a lateral direction, even in a small-sized pressure welding machine.SOLUTION: A rail gas pressure welding machine is equipped with a fixed frame 11 and a moving frame 12 that are respectively fixed to a pair of rails 10 to be pressure welded, a heating burner 13, and a compression moving amount following mechanism 15 that is provided outside the fixed frame 11 in a longitudinal direction of the rail 10, and moves the heating burner 13 by following the compression moving amount of the rail 10. The compression moving amount following mechanism 15 is equipped with a rotary arm 18 capable of horizontally rotating around a shaft provided at a fixed place, and the rotary arm 18 is coupled to the heating burner 13 at a center position between a coupled position coupled to the moving frame 12 and the shaft position.SELECTED DRAWING: Figure 1

A method for manufacturing a welded rail according to one aspect of the present disclosure includes an installation step of installing electrodes on the head and foot portions of a pair of base rails aligned along the longitudinal direction, a preheating step of passing a preheating current through the pair of base rails via the electrodes while the end faces are in contact with each other to preheat the end faces, a flashing step of passing a flash current through the pair of base rails via the electrodes to generate a flash between the end faces that melts the end faces, and an upsetting step of butting the end faces of the pair of base rails together and applying an upsetting force to upset the pair of base rails so as to join them, and the sum of the contact areas S between the electrodes and the heads of the base rails is H , and the sum of the contact areas between the electrode and the base rail foot S B , 0.20≦S H / S B ≦0.70.