807results about "Rail fasteners" patented technology

A conducting rail retention system includes a plurality of conducting rails and a rail support assembly. The rail support assembly includes a support pole, the support pole including a top end and a bottom end, a support plate, the support plate being attached to the top end of the support pole, the support plate including a rail support portion on a top surface of the support plate, and a pair of rail clamps movable relative to one another from a rail unlock position to a rail interlock position securing the plurality of conducting rails to the support assembly.

Described herein is a lightweight, power-efficient edge computing system, called the Autonomous Power-efficient Track Inspection System (APTIS), designed specifically for railroad track component inspection, and methods for making same, using an edge-computing device equipped with a custom computer vision model for meticulous track inspection that employs advanced deep learning and AI technologies, enabling automated detection and evaluation of the condition of various track components in concert with built-in cameras for surveillance.

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 relates to a railway line rail fixing structure device, and relates to the technical field of railway track fixing, and the railway line rail fixing structure device comprises a fixing seat used for supporting a steel rail; the two embedded iron bases are located on the two sides of the fixing base correspondingly; the limiting device comprises two fixing assemblies, a buffering assembly and an adjusting assembly, and the two fixing assemblies are symmetrically arranged on the two sides of the steel rail and used for fixing the steel rail and the fixing base; the two buffering assemblies are symmetrically arranged on the two sides of the steel rail and used for buffering and damping vibration generated by acting force on the steel rail when a train passes through the steel rail. The adjusting assembly is arranged between the two buffering assemblies and used for adjusting the distance between the two buffering assemblies. The rail fixing structure has the effects that the mounting process of the rail fixing structure is simplified, the deformation resistance of the rail fixing structure is improved, and the risk of deformation or displacement of the steel rail due to external force is reduced.

The invention discloses a trapezoidal sleeper track integrated construction method, and relates to the technical field of track construction, the method comprises the following steps: assembling a steel rail, a fastener and a trapezoidal sleeper into a track panel to be treated according to the length requirement of the track panel, and binding a track bed reinforcing mesh; a to-be-processed rail row is placed above the elastic vibration reduction parts of the trapezoidal sleepers, the prefabricated base sleepers are placed below the trapezoidal sleepers, the trapezoidal sleepers and the prefabricated base sleepers are fixed through angle steel or bolts to form an assembly structure, and the assembly structure and a ballast bed reinforcing mesh are bound and connected to obtain a to-be-processed device; and after the to-be-machined device is conveyed to the laying position of the construction working face, ballast bed pouring treatment and ballast bed formwork removal treatment are conducted, and construction is completed. The prefabricated foundation sleeper structure is introduced between the ballast bed and the trapezoidal sleeper, the prefabricated foundation sleeper and the ballast bed are bound through the reserved steel bars, the trapezoidal sleeper is directly arranged on the prefabricated foundation sleeper and does not need to participate in the ballast bed pouring process, the construction efficiency can be improved, and it is guaranteed that the damping effect of the trapezoidal sleeper is effectively exerted.

The present invention belongs to the technical field of rail transit, and discloses a beam-type ballastless track with steel guard plates, comprising: a track support base, which includes: two truss pedestals and a steel bar truss. The two truss pedestals are connected by the steel bar truss. A limit boss and two steel guard plates are fixed at the top of the truss pedestal, and a lateral limit cushion block is filled between the steel guard plate and the limit boss; a track beam, the two ends of which are respectively abutted against two adjacent limit bosses. Two longitudinally arranged continuous shoulders are provided on the top surface of the track beam, and the length of the continuous shoulder is equal to that of the track beam; a beam-end composite energy-absorbing and adjusting cushion plate, which is installed in the gap between the end of the track beam and the limit boss; a sub-beam support vibration-damping and adjusting cushion plate, which is crimped between the bottom end surface of the end of the track beam and the top surface of the truss pedestal. The present invention can not only meet the strict requirements of high-speed railways for safety, smoothness and stability, but also effectively prevent the train from tipping over and running out of the line under emergency conditions such as derailment, reducing casualties and property losses.

The utility model relates to the field of track fixing parts, and discloses an anti-skid stable track fixing part which comprises a bottom plate, the top of the bottom plate is fixedly connected with two sets of limiting parts, the sides, close to each other, of the two sets of limiting parts are in contact with track parts, and the tops of the limiting parts are provided with mounting mechanisms. And the mounting mechanism comprises a fixing plate, a mounting groove is formed in the top of the limiting piece, the fixing plate is mounted in the mounting groove, the fixing plate is fixedly connected with the limiting piece through a bolt piece, and an elastic piece is arranged in the fixing plate. According to the utility model, the bolt piece is tightened above the fixed plate, the fixed plate displaces to drive the extrusion piece to move downwards and to be in contact with the bump, and the surface of the bump is extruded by the inclined surface at the bottom of the extrusion piece, so that the bump is subjected to transverse pressure, the transverse position of the track piece is adjusted, and the stability and the precision of track installation are improved.

The utility model discloses an embedded casing pipe for a railroad sleeper, which comprises a casing pipe main body and a turnover device arranged at the bottom of the casing pipe main body, and the turnover device comprises a turnover cover and a turnover sheet arranged in the turnover cover. Compared with the prior art, the embedded sleeve for the railroad sleeper has the advantages that the embedded sleeve for the railroad sleeper can prevent mud at the bottom from splashing in the normal service stage; when sundries are accumulated at the bottom of the sleeve, the sundries are cleaned and discharged through the bottom turnover device, normal installation of the screw spikes is guaranteed, and the situation that buckling pressure is reduced due to the fact that the elastic strips are not fastened in place through the screw spikes, and potential safety hazards are caused to the track is avoided.

The utility model discloses a subway track laying damping device and a damping rubber pad thereof, and relates to the field of track damping. The subway track laying damping device and the damping rubber pad thereof comprise a damping rubber assembly, the damping rubber assembly comprises a composite rubber part, the composite rubber part comprises a composite rubber plate, a rubber bottom frame and a conical rubber block, the composite rubber plate is fixedly connected to the top of the conical rubber block, and the rubber bottom frame is fixedly connected to the bottom of the conical rubber block. The composite rubber plate is slidably connected into the rubber bottom frame. According to the subway track laying damping device and the damping rubber pad thereof, the multiple sets of damping rubber pads with different effects are arranged, so that the damping device has good longitudinal damping and transverse damping effects, the damping device is designed to be modularized, the damping device is easy to disassemble and replace, the damping effect is improved, and the damping rubber pad is easy to disassemble.

The invention discloses an induction power generation and frequency modulation vibration reduction integrated ballastless track vibration reduction structure, and belongs to the technical field of track traffic. A track plate and a base plate are longitudinally laid along a track line, and the track plate is located above the base plate; the adjusting layer is arranged between the track plate and the base plate; an elastic vibration reduction layer is arranged between the base plate and the piezoelectric device layer, and the elastic vibration reduction layer is filled in a limiting structure in the base plate; a silicon steel sheet iron core structure of an electromagnetic coil is arranged in the elastic vibration reduction layer in the limiting structure; the piezoelectric device layer is located between the adjusting layer and the base plate and connected with the electromagnetic coil through a wire. The piezoelectric material and the magneto-rheological elastomer material are adopted, integration of induction power generation and frequency modulation vibration reduction is achieved, when the pressure is not enough to enable the piezoelectric device to output current, the magneto-rheological elastomer material still has the mechanical property of a common rubber elastomer, the whole structure still can guarantee the vibration reduction function, and meanwhile power-off protection is achieved.

The present invention relates to a railroad spike stabilizer for railway and construction applications. The stabilizer comprises a hollow, square-based prism body with four outer walls defining an internal cavity conforming to a railroad spike's geometry. The cavity, open at the top, tapers inward with angled inner walls. Segmented, flexible legs extend from the bottom, compressing and expanding to engage the tie plate hole, with clips locking the stabilizer. Flexible ribs adapt to hole variations, and a visual alignment guide ensures orientation. A spike and plug stabilizer embodiment includes a ribbed or finned plug for pre-existing holes, enhancing spike stability and reducing fatigue compared to wood plugs or polyurethane foam. The stabilizer improves alignment, reduces spike fatigue, minimizes worker injuries, and enables single-worker operations.

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 utility model is suitable for the technical field of multi-layer composite product structures, and provides an under-rail reinforced rubber base plate of a multi-layer composite structure and application of the under-rail reinforced rubber base plate. A plurality of grooves which intersect in the inclined direction are formed in the pillow touching layer and the rail touching layer, the multiple upper grooves which intersect in the inclined direction jointly form network grooves, and the network grooves divide the pillow touching layer and the rail touching layer of the base plate into a plurality of shoulder pads. Therefore, the reinforced under-rail base plate can enable stress to be uniformly dispersed, fatigue recovery is more than two times faster than that of an existing base plate, the rhombic groove channels of the base plate are opened, and the ventilation, cooling and drainage speed is high. And meanwhile, the rhombic shoulder pad of the base plate can effectively restrain sliding abrasion and tearing caused by impact stretching of the base plate.

A method for singulating, orientating and distributing tie plates along a section of a track of a railroad is disclosed using a vehicle adapted to travel on rails including a tie plate singulating assembly, a tie plate flipping assembly, a tie plate quarter turn assembly, and a distribution assembly. The tie plate flipping assembly flips shoulder-side down tie plates into a shoulder-side up orientation while maintaining shoulder-side up tie plates in the shoulder-side up orientation. A diverter of the tie plate quarter turn assembly advances tie plates into a rotation inducing abutment resulting in the tie plates turning toward a desired orientation. The distribution assembly distributes tie plates to accumulation slides, controlling distribution with a dealer assembly and orienting discharge assembly to distribute the tie plates in a desired spacing and orientation along the track of a railroad.

The utility model discloses a rail brace type elastic strip which comprises an elastic strip body, a vertical supporting part is arranged at the bottom of the elastic strip body, the vertical supporting part vertically limits the rail bottom of a steel rail, an elastic strip middle limb or an elastic strip side limb is bent upwards in an inclined mode to form a transverse supporting part, and the transverse supporting part transversely supports and limits the rail waist of the steel rail. The utility model further discloses an elastic strip rail brace type fastener system which comprises an insulation coupling base plate, a bottom base plate and an under-rail pad which are arranged from bottom to top, the rail brace type elastic strip is arranged at the position, corresponding to the outer side of the steel rail, of the bottom base plate, an insulation module is arranged at the position, corresponding to the rail brace type elastic strip and the steel rail, of the bottom base plate, and a second elastic strip is arranged at the position, corresponding to the inner side of the steel rail, of the bottom base plate. The transverse limiting function of the rail waist of the steel rail is increased through the structural design of the rail brace elastic strips, and the elastic strip rail brace type fastener system which is high in transverse stability and low in installation and maintenance cost is achieved on the premise that elastic split type fastener parts are not increased.

The invention discloses a self-adaptive metro track anti-falling device and an operation method, the self-adaptive metro track anti-falling device comprises a base used for placing a steel rail and further comprises an anti-falling mechanism, the anti-falling mechanism is composed of anti-falling assemblies arranged on the two sides of the steel rail and used for fixing the steel rail, and each anti-falling assembly comprises a clamping moving frame and an inner anti-falling block; an anti-disengaging hole is formed in the side, close to the steel rail, of each inner anti-disengaging block, an anti-disengaging piece is arranged in each anti-disengaging hole, one end of each anti-disengaging piece is an elastic piece, the other end of each anti-disengaging piece is a contact piece, and the multiple contact pieces located on the two sides of the steel rail make close contact with the steel rail along the outer wall of the steel rail when pressed. The steel rail anti-falling device can be suitable for steel rails of different specifications, meanwhile, the problem that limiting and anti-falling operation of different types of steel rails is inconvenient is solved, the operation process is simplified, the phenomenon that the steel rails turn over and fall off is prevented, and the steel rail anti-falling device can meet the operation requirements of different machining scenes of the steel rails.

The invention relates to the technical field of polyurethane materials, in particular to a polyurethane elastic backing plate for a railway and a preparation method of the polyurethane elastic backing plate. The polyurethane elastic base plate provided by the invention is a low-compression permanent-deformation polyurethane elastic base plate for a railway, the raw materials and the preparation process of the polyurethane elastic base plate are specifically shown in the following description, and under the matching of the whole formula, the microphase separation degree of a hard section and a soft section in long-term service is effectively controlled; the polyurethane elastic backing plate not only has low compression set, but also has excellent tensile mechanical properties and static stiffness, lower-35 DEG C low-temperature static stiffness change rate, lower dynamic and static stiffness ratio and lower 30-day high-temperature aging static stiffness change rate.

A bonded, direct fixation fastener as a supportive structure for a rail on a railroad bed comprising a top member or plate having a center portion having an upper face and a lower face; the top plate defining first and second wall sections each defining an outer perimeter having an outer face defining a lower face section and an upper face section; wherein a first angle between the lower face section and a horizontal surface of the railroad bed is lower than a second angle between the upper face section and the horizontal surface of the railroad bed; a bottom plate or member having first and second anchoring sides connected by first and second elements; wherein the bottom plate or member defines an opening;wherein the bottom plate has first and second wall members each having an interior face; and an elastomeric or rubber portion disposed between the top plate and the bottom plate.

The utility model provides an integral type flexible track fixing device, and belongs to the technical field of traveling tracks of hoisting and transporting machinery. The rail fastener solves the problem that an existing rail fastener is small in rail gauge adjusting range. The device comprises a steel base plate, the upper surface of the steel base plate is provided with two connecting areas, the space between the two connecting areas is used for containing a steel rail, each connecting area is provided with an upper pressing plate through a pressing bolt, the upper pressing plates abut against the side portion of the steel rail, and the upper pressing plates are provided with pressing parts pressed on the steel rail. Each connecting area is internally provided with an installation groove extending in the longitudinal direction perpendicular to the steel rail, and rod heads of the compression bolts are installed in the installation grooves. The mounting grooves extend in the longitudinal direction perpendicular to the steel rails, so that the adjustable range of the compression bolts is large, and the adjustment range of the gauge is large.

The invention discloses a large-span highway-railway dual-purpose steel truss girder cable-stayed bridge ballastless track operation and maintenance linear adjustment method and system. The method comprises the steps that (1) the ballastless track operation and maintenance linear adjustment range is determined; (2) establishing a long-span highway-railway dual-purpose steel truss girder cable-stayed bridge linear monitoring system; (3) establishing a fine analysis model of the large-span highway-railway dual-purpose steel truss girder cable-stayed bridge; (4) analyzing the influence of the upper-layer road load on the lower-layer railway line shape adjustment, and determining the track construction line shape in the adjustment range; (5) arranging a CPIII local accurate measurement network within the adjustment range of the ballastless track operation and maintenance line shape, and establishing a CPIII accurate measurement network real-time correction model; (6) the existing CRTSIII type track slab is dismantled; (7) installing a skylight point train to pass through a temporary transition device; (8) constructing a double-isolation-layer double-hole limiting track structure; and (9) adjusting the line shape and remeasuring. According to the method, in the operation stage of the ballastless track on the large-span bridge, the problem that the operation and maintenance line shape of the ballastless track of the large-span highway-railway dual-purpose steel truss girder cable-stayed bridge is difficult to adjust is solved.

The invention provides a high-speed magnetic suspension two-stage fine adjustment track structure which comprises a track plate, a base, a cast-in-place concrete adjusting layer, an adjustable connecting piece and a concrete bearing platform, the lower end of the base is connected to a foundation through the concrete bearing platform, the track plate is arranged above the base, and the base and the track plate are connected through the cast-in-place concrete adjusting layer; the functional area components are installed on the two sides of the track plate through adjustable connecting pieces respectively. According to the high-speed magnetic suspension two-stage fine adjustment track structure, the on-site concrete cast-in-place workload is reduced; meanwhile, in the construction process, two-stage fine adjustment of the track structure can be achieved through the cast-in-place concrete adjusting layer and the two-way adjustable connecting piece; in the operation and maintenance process, fine adjustment is achieved through the two-way adjustable connecting piece, and high smoothness of the track is guaranteed.

The elastic wide sleeper comprises a sleeper body, the sleeper body comprises a sleeper middle part and sleeper edge parts symmetrically distributed on the two sides of the sleeper middle part, rail bearing tables are arranged on the sleeper edge parts, rail bearing grooves are formed in the rail bearing tables, the top face of the sleeper middle part is a plane, and the plane is as high as the bottom ends of the rail bearing tables on the two sides; the pillow middle part and the pillow edge parts are equal in width, and the width is larger than 500 mm. According to the elastic wide sleeper, the problems that in the prior art, stress of a sleeper and a ballast bed is concentrated, frequent maintenance and repair are needed, and the operation cost is large are solved, and the purposes of reducing the maintenance and repair frequency of a track line and reducing the operation cost are achieved.

The utility model provides an anti-seismic rail for a high-speed railway, which comprises a concrete roadbed slab and a steel rail, longitudinal sleepers are arranged on the roadbed slab, wide sleepers are arranged on the longitudinal sleepers at intervals, the steel rail is arranged on the wide sleepers, and transverse and longitudinal adjusting devices are arranged below the steel rail at intervals and used for adjusting transverse and longitudinal deformation of the steel rail and enhancing the anti-seismic property of the steel rail. The transverse and longitudinal adjusting devices are additionally arranged below the steel rails, the transverse and longitudinal adjusting amount is increased, transverse deformation and longitudinal deformation are reduced, settlement of the rails can be effectively reduced, and meanwhile the anti-seismic property is enhanced through matched existing wide sleepers and prefabricated roadbed slab structures; the roadbed slab is formed through one-time pouring, a base construction procedure is omitted, the weep hole serves as a reserved transverse cutting hole, the roadbed slab is directly cut so as to rectify deviation, rapid repair after an earthquake can be achieved, the structure is simple, construction is rapid, the overall rigidity is large, and the system integrity is good; and the stability of the track under vibration and earthquake loads is improved.

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.

The utility model discloses a turnout sliding bed backing plate, which belongs to the technical field of railway tracks, and comprises a bottom plate and an iron seat arranged on the bottom plate, the turnout sliding bed backing plate further comprises a sliding bed platform, the sliding bed platform is arranged on the bottom plate, a rail bearing groove is defined between the sliding bed platform and the iron seat, and the rail bearing groove is used for accommodating a railway turnout stock rail. Tongue pressing parts are arranged on the two sides of the first end, close to the iron base, of the slide plate table, the side edges, close to the bottom plate, of the tongue pressing parts are flush with the side wall of the bottom plate, gaps are formed between the side edges of the slide plate table and the side wall of the bottom plate, and pin holes are formed in the slide plate table in the direction perpendicular to the axis of the slide plate table. The structure of the slide plate table can be improved to reduce the frictional resistance when the tongue rail falls on the slide plate table to do reciprocating motion, and particularly, the structure of the tongue pressing part is optimized to solve the problem that the tongue pressing part is prone to breakage.

Provided are: a sleeper pad with which it is possible to sufficiently and stably obtain adhesive strength between the sleeper pad and a concrete sleeper; and an elastic sleeper comprising the same. This sleeper pad includes: a pad body 5 comprising an elastic body; and an anchor member 4 joined to one surface of the pad body 5. The anchor member 4 is a sheet formed by integrating a mesh outer material and a mesh lining material by joining the two materials with a joining thread for joining same.

The utility model discloses a casting gauge apron which comprises an apron body, a pressing plate is arranged on one side of the apron body, an arc-shaped abutting plate is arranged on the other side of the apron body, a through hole is formed in the upper surface of the apron body in a penetrating mode, and an upper sleeve is arranged on the upper surface of the apron body and located at the position of the through hole. A limiting sleeve is arranged on the lower surface of the baffle and located below the through hole. Through the arrangement of the upper sleeve and the limiting sleeve, during installation operation, the gauge apron is placed between the steel rail and the apron base, the limiting groove in the limiting sleeve is in butt joint with the embedded sleeve, the embedded sleeve and the through hole are made to be located on the same vertical line, and then the screw spike can be placed in the upper sleeve; the upper sleeve is used for supporting the screw spike, so that the screw spike is in a vertical state while being aligned with the embedded sleeve, a worker can conveniently rotate the screw spike through a tool, the screw spike is in threaded connection with the embedded sleeve, and the use convenience of the device is greatly improved.