667results 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 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 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 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.

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 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 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.

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.

The application belongs to the technical field of rail transit damping fasteners, and particularly relates to an air spring damping fastener, which comprises an upper iron pad, an air spring isolator, a lower iron pad, an anchoring system and a spring strip pressing system, wherein the air spring isolator is arranged between the upper iron pad and the lower iron pad and forms a sealed air cavity in the air spring isolator, the air spring isolator provides elastic support and damping effect for the steel rail through compression of the air cavity, the air cavity is communicated with the outside through a valve to realize air pressure adjustment, so as to change the elastic properties of the fastener, and the fastener has adaptive supporting and damping capacity under different load conditions. By introducing the air spring isolator as a core elastic element, the fastener can automatically match the reasonable rigidity under different load conditions, and the damping performance and structural safety are considered at the same time, so that the fastener has good damping effect, load adaptive capacity and engineering application value.

The utility model discloses a long sleeper embedded track rubber mat installation positioning frame which comprises a positioning frame body arranged on the upper end face of a sleeper, the lower end of the positioning frame body is detachably connected with a positioning frame, the positioning frame is pressed on the upper end face of a track rubber mat, and buckling locking arms are arranged on the two sides of the positioning frame body respectively. The two buckling locking arms are respectively buckled on two opposite side walls of the sleeper, and a non-return mechanism is arranged between each buckling locking arm and the positioning frame body. According to the rail rubber mat fastener, the rail rubber mat can be positioned to the preset position of the sleeper in the installation process, so that the rail rubber mat cannot be deflected or dislocated in the installation process of the fastener, the locking strength of the fastener to the sleeper is improved, and then the driving safety is improved. The sleeper fixing device is suitable for the technical field of sleeper mounting and fixing.

The utility model relates to the technical field of steel rail fasteners, and particularly discloses a rail steel rail fastener which comprises a rail base plate, a pressing plate and a pressing frame. Two sets of limiting strips are arranged at the top of the track base plate, and mounting bolts connected to the track base plate are arranged on the sides, away from each other, of the two sets of limiting strips. The pressing plate is connected to the limiting strip through a fixing piece, a limiting part making contact with the steel rail is arranged on one side of the pressing plate, and a fixing part making contact with the mounting bolt is arranged on the side, away from the limiting part, of the pressing plate. A rod body on one side of the pressing frame is arranged at the top of the limiting part, and a limiting piece for limiting the pressing frame is connected to the limiting strip; the pressing plate is fixed to the limiting strip through the fixing piece, the steel rail is pressed and fixed through the limiting part, then the pressing frame can be fixed, a rod body on one side of the pressing frame can be arranged at the top of the limiting part to be further pressed and fixed, then the pressing frame can be further fixed, components at the fixing position of the steel rail are not prone to upwarp due to stress, and the fixing stability of the steel rail is improved.

The application discloses a fastener plate lower anti-stray current system, which realizes the increase of the creepage distance of the fastener system, the reduction of the surface contaminant accumulation and the prevention of the internal conductive path from being penetrated by dust, oil and water and other contaminants, thereby making the fastener system have good insulation performance during long-term use. In the application, a plate lower insulation plate with good insulation performance is arranged under the iron pad plate to realize the electrical isolation between the upper iron part of the fastener and the track bed, and the insulation coating with good insulation performance and elasticity is sprayed on the surface of the fastener to realize the filling and sealing of the gaps of the components on the upper part of the fastener, thereby preventing the decrease of the overall insulation performance of the fastener caused by long-term use. The scheme is basically consistent with the installation of the general fastener, does not increase additional processes, and will not be obviously affected by any subsequent rail adjustment, and is suitable for large-scale construction.

The invention relates to the technical field of rail shock absorbers, in particular to a liquid rubber composite rail shock absorber which comprises an upper iron base plate and a lower iron base plate which are located between a steel rail and a sleeper, the upper iron base plate is arranged close to the steel rail, the lower iron base plate is arranged close to the sleeper, and a shock absorption base plate is arranged between the upper iron base plate and the lower iron base plate. A damping unit is arranged between the upper iron base plate and the vibration reduction base plate in a matched mode, or the damping unit is arranged in the vibration reduction base plate and comprises at least two damping liquid cavities which are vertically communicated with each other, damping liquid is arranged in the damping liquid cavities, and the damping liquid can vertically flow through the damping holes. The shock absorber in the scheme can realize full-band self-adaptive variable stiffness and damping characteristics, has excellent dynamic and static stiffness ratio and good bearing performance, and is reliable in sealing and long in fatigue life.

The invention relates to a system for fastening rails (S) on a substrate (2) and to an assembly (1) built on such a system. The system comprises a slab element (3) having through openings (21, 22) leading from its upper face (14) to its bottom face (20) and comprising anchoring elements (4, 5) having anchoring element bodies (27) which, in use, are inserted into the substrate (2) and having an insertion opening defined by an end section (28) of the anchoring element body (27) for introducing a fastening element (11, 12) into the anchoring element body (27). According to the invention, a retaining section (29) laterally protruding from the end section (28) is connected to the end section (28) of the anchoring element body (27) by a connecting section (30-33) provided with a predetermined breaking point. On the bottom face (20) of the slab element (3), a retaining portion (38, 39) is provided into which the through openings (21, 22) of the slab element (3) open and into which the anchoring elements (4, 5) are retained by their retaining sections (29). The retaining portion (38, 39) forms a stop (48) for the retaining sections (29) acting in the longitudinal direction of the anchoring elements (4, 5). The inner contour of the through openings (21, 22) of the slab element (3) here adapts to the outer contour of the anchoring element bodies (27) in such a way that, after breaking of the connecting sections (30-33) of the anchoring elements (4, 5), the anchoring element bodies (27) can be moved through the through openings (21, 22) of the slab element (3).

According to the assemblable embedded track and the construction method thereof, on the basis that it is guaranteed that bolts are connected with pre-embedded sleeves corresponding to sleepers through through holes in a bottom plate, side plates on the two sides of a steel tank move outwards and are longitudinally disconnected at the positions corresponding to the pre-embedded sleeves, so that space is formed, and the inner sides of the disconnected positions of the side plates are connected through insulating plates; the insulating plates are arranged on the inner sides of the side plates on the two sides, the side plates on the two sides of the steel tank move outwards, namely, the insulating plates are additionally arranged between the steel tank and the steel rail, the clearance size in the steel tank is increased, and the steel tank is prevented from being damaged. The distance between the steel tank and the steel rail is increased; even if a large construction error occurs and the steel rail is in contact with the insulating plate, the minimum distance between the steel rail and the steel tank can still be forcibly guaranteed to be the thickness gap of the insulating plate, the insulativity of the steel rail and the steel tank is guaranteed, and the sparking risk is reduced.

The utility model discloses a light reinforced anti-loosening rail pressing device which comprises an installation plate, a pressing block is arranged above the installation plate, the pressing block and the installation plate are connected through a connecting mechanism, and a limiting mechanism is installed on the installation plate. The connecting mechanism comprises a first threaded hole, a rotating cylinder, an internal thread, an external thread, a rotating screw rod and a circular through hole; the limiting mechanism comprises a square groove, a limiting hole and a limiting rod. The device has the beneficial effects that the pressing block can be connected with the mounting plate through bolt connection, the rotating cylinder is connected with the pressing block through threads, the thread direction of the rotating screw rod is opposite to that of the first threaded hole, the rotating screw rod is limited through the limiting rod and cannot rotate, and when the rotating cylinder rotates, the rotating cylinder can rotate through the first threaded hole; and self-locking is carried out through threads on the inner side and the outer side of the rotating cylinder, so that the rotating cylinder cannot rotate, bolt connection loosening can be prevented, and the stability of the rail pressing device is guaranteed.

The invention relates to the technical field of track shock absorbers, in particular to a floating slab vibration isolator for a liquid rubber composite track, which comprises an upper seat plate, a lower seat plate and a middle partition plate, an upper rubber body is arranged between the upper seat plate and the middle partition plate, an upper hydraulic cavity is formed between the upper rubber body and the middle partition plate, and a lower rubber body is arranged between the lower seat plate and the middle partition plate. A lower hydraulic cavity is formed between the lower rubber body and the middle partition plate, damping liquid is arranged in the upper hydraulic cavity and the lower hydraulic cavity, the damping liquid in the upper hydraulic cavity and the damping liquid in the lower hydraulic cavity can flow mutually, a containing cavity used for containing the upper rubber body is formed in the upper base plate, and a ventilation cavity is formed between the top wall of the upper rubber body and the cavity top wall of the containing cavity. A plurality of ventilation holes located above the ventilation cavity are formed in the upper seat plate, and the lower rubber body comprises an upper supporting body, a lower cover body and a middle hydraulic body. According to the vibration isolator in the scheme, metal, rubber and a flow channel structure are optimally designed, so that the ratio of dynamic stiffness to static stiffness is adjustable, and liquid sealing is reliable.

The application discloses an iron base plate insulation fastener for rail insulation laying, which comprises an iron base plate, the two sides of the iron base plate are respectively provided with an integrally formed upward protruding elastic strip insertion hole block, and are also respectively provided with a bolt hole one. The iron base plate is also provided with an iron base plate insulation sleeve, the iron base plate insulation sleeve covers at least the bottom surface and the surrounding side surface of the iron base plate in a manner of being bonded with the iron base plate, and the bottom surface of the iron base plate insulation sleeve is provided with a bolt hole two corresponding to the position of the bolt hole one (103). The iron base plate insulation sleeve covers the bottom surface and the surrounding side surface of the iron base plate, so that the iron base plate and the sleepers on the ground have a certain amount of water (containing conductive iron filings), and the surface of the iron base plate and the sleepers on the ground cannot form a conductive current through the water, thereby realizing the insulation of the iron base plate and the ground.

The utility model relates to the technical field of track fastener accessories, in particular to a buckling-pressing type distance-adjusting cover plate structure and a fastener system adopting the same, the buckling-pressing type distance-adjusting cover plate structure comprises a distance-adjusting cover plate, and a through hole for a spike to penetrate through is formed in the middle of the distance-adjusting cover plate. A buckling boss is designed on the upper portion of the distance-adjusting cover plate and protrudes out of the side wall of the distance-adjusting cover plate, a pressing groove is formed between the buckling boss and the distance-adjusting cover plate, teeth are arranged on the two sides, corresponding to the through hole, of the bottom of the distance-adjusting cover plate, the distance-adjusting cover plate with the buckling boss is used for improving the anti-disengaging performance of the fastener, the upper iron cushion plate and the middle rubber cushion are prevented from jumping out upwards, and the service life of the fastener is prolonged. Meanwhile, the gauge can be adjusted through the teeth at the bottom.

The utility model discloses an elastic anti-corrosion sealing gasket for a high-speed railway track, which relates to the field of sealing gaskets, and adopts the technical scheme that the elastic anti-corrosion sealing gasket comprises a sealing gasket main body made of a high-elasticity and high-strength material, and a hollow cavity filled with gas is arranged in the sealing gasket main body; openings in the two ends of the hollow cavity are perpendicular to each other, the opening portion, located at the bottom of the sealing gasket body, of the hollow cavity is connected with an elastic air cushion in a communicated mode, and the opening portion of the other end of the hollow cavity is connected with an auxiliary telescopic air bag in a communicated mode. When the sealing gasket is inserted, the elastic air cushion is just aligned with the recess in the part, perpendicular to the insertion direction of the sealing gasket, in the long-strip gap, and then the auxiliary telescopic air bag is compressed, so that the accommodating space of air in the hollow cavity is reduced, the air can enter the elastic air cushion through the hollow cavity to support the elastic air cushion, and the recess is sealed.