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23results about "Rail anchors" patented technology
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A rail anti-climbing device for preventing loosening
The utility model relates to an anti-loosening rail anti-climbing device, comprising an iron pad, a first connecting hole is provided on the top of the iron pad, an ash discharge hole is provided on the outer side of the iron pad, a reinforcement structure is fixedly connected to the bottom of the iron pad, and the reinforcement structure comprises a connecting plate, a connecting plate is fixedly connected to the bottom of the iron pad, an anti-skid column is fixedly connected to the bottom of the connecting plate, and a pin is fixedly connected to the outer side of the anti-skid column. The anti-loosening rail anti-climbing device prevents track creeping by setting a reinforcement structure, realizes automatic locking, and improves the ability of the device to cope with large longitudinal forces. At the same time, the anti-skid column and the outer pin are designed to be linked to each other, and the anti-skid column is nailed into the ground to cooperate with the pin to increase the friction between the entire reinforcement structure and the ground, thereby increasing the anti-climbing effect of the anti-climbing device, which not only makes the structure strong and stable, but also safe and reliable to use, and effectively controls the two-way creeping of the track.
Owner:昆明铁道职业技术学院(昆明市教育对外合作交流中心)
Combined rail transit vehicle anti-climber
The utility model relates to rail transit technical field, combined rail transit vehicle anti -climber, and disclose including base, the top of base is equipped with respectively dismounting board no.
Owner:CHANGCHUN DIDALON RAIL VEHICLE EQUIP CO LTD
Track support
The utility model discloses a track support, which relates to the technical field of track supports, and comprises a base, a plurality of supporting rods and a plurality of supporting rods, the stand column is fixedly installed on the surface of the base, and a track capable of horizontally moving is installed at the end, away from the base, of the stand column through a second connecting base; the guide assembly is mounted on the surface of the base, and the guide assembly is configured to be capable of moving in the horizontal direction; a transmission assembly is installed between the track and the guide assembly, a locking assembly used for fixing the guide assembly is installed on the surface of the base, and the guide assembly comprises a sliding groove, an elastic piece and a sliding block; according to the track support, the track can obliquely move leftwards or rightwards in the horizontal direction and downwards through the guide assembly and the transmission assembly, then the moved track is fixed under the action of the locking assembly, the track support can be flexibly adjusted and used, frequent disassembly, assembly and adjustment are avoided, and the track support is simple in structure and convenient to use. And the operation is convenient.
Owner:TIANJIN RUNHE INTELLIGENT TECH CO LTD
In-service ballastless seamless turnout longitudinal evolution model construction method considering resistance updating
The invention provides an in-service ballastless seamless turnout longitudinal evolution model construction method considering resistance updating, and belongs to the technical field of rail transit. The method comprises the steps that 1, seamless turnout parametric modeling is carried out; 2, constructing a boundary condition and a balance equation; 3, carrying out resistance curve drift analysis and equivalent processing; 4, dynamically updating resistance parameters; and 5, performing nonlinear solution and model construction. According to the method, the modeling theory of the ballastless seamless turnout can be expanded from the design reference state to the service state, compared with a traditional method, the method also supports dynamic updating of resistance parameters in multi-load step iterative calculation, and the longitudinal crawling behavior of the ballastless seamless turnout can be simulated more accurately. The method can be combined with a digital twinning technology, and theoretical support is provided for service state reconstruction, model correction, safety evaluation and the like of the seamless turnout.
Owner:SOUTHWEST JIAOTONG UNIV
Railway track anti-creeper
Owner:CHANGCHUN DIDALON RAIL VEHICLE EQUIP CO LTD
Railway connecting rail type anti-climbing device
The railway connecting rail type anti-climbing device is composed of a fixing part and an anti-climbing part, and one side of the fixing part is attached to a steel rail; a bolt mounting through hole is coaxially formed in the anti-rotation groove, and the bolt mounting through hole is used for mounting a connecting bolt; assembling through holes corresponding to the bolt mounting through holes are formed in the steel rails; the connecting bolt extends out of the assembling through hole and then is sequentially provided with a gasket, a nut and a nut locking cap; the nut locking cap is provided with a cotter pin; the anti-climbing part is provided with an integrally-formed boss and further comprises a fastener system. The boss is matched with the iron seat and the iron base plate; when a creeping phenomenon occurs, the iron base and the iron base plate can restrain the device; force generated by steel rail crawling is transmitted to the fastener system through the device and then is sequentially transmitted to a sleeper, a ballast bed and a roadbed through the fastener system, steel rail crawling is prevented, and restraining of longitudinal movement of the steel rail is achieved. The problem of steel rail crawling is solved, and diseases of a sensitive area of a railway line are reduced; the structure is stable, installation is convenient, assembly is simple, implementation is easy, adaptability is wide, and safety and reliability are achieved.
Owner:CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD
An anti-creep device for railway turnouts
This utility model provides an anti-creep device for turnouts. The anti-creep device is used on the main rail of a double-cross turnout to prevent longitudinal displacement under long-term vehicle pressure. The anti-creep device for turnouts includes an anti-creep rail brace, an anti-rotation washer, and a second fastening connection assembly. The upper end of the anti-creep rail brace abuts against the upper jaw of the main rail, and the lower end abuts against the lower jaw of the main rail. The anti-creep rail brace is also provided with a groove. At the groove position, the bottom of the main rail is fixed to the turnout sleeper by the first fastening connection assembly. The anti-rotation washer is located on the side of the main rail away from the anti-creep rail brace. The upper end of the anti-rotation washer abuts against the upper jaw of the main rail, the lower end abuts against the lower jaw of the main rail, and the middle part contacts the web of the main rail. The second fastening connection assembly passes through the anti-rotation washer, the web of the main rail, and the anti-creep rail brace in sequence from one side of the anti-rotation washer and connects and fixes them.
Owner:RAILWAY CONSTR RES INST OF CHINA ACAD OF RAILWAY SCI CO LTD +1
Rail fastener sealing system and method for sealing rail fastener assembly
A rail fastener sealing system includes a pin having a substantially cylindrical elongate body and a pin channel configured to receive a fastener that secures a rail to a sleeper. The sealing system also includes a seal at one end of the pin. The seal includes a flexible body having a central channel extending through the flexible body; and a lip extending circumferentially around the opening of the central passage. The lip of the seal is disposed proximate the end of the pin, and at least a portion of the flexible body of the seal is located within the pin channel.
Owner:JAMAK FABRICATION TEX LLC
A new type of rail fastener
The utility model discloses a novel rail fastener, including fastener main part and fastener support, and the fastener main part is positioned with the rail pad between fastener support, the side of rail pad is positioned and installed with insulating track gauge block, is fixed with elastic strip on insulating track gauge block, is positioned with spiral spike and pre -buried sleeve and passes through between insulating track gauge block, elastic strip and fastener support, the fastener main part, rail pad and fastener support between be provided with anti -drifting structure, the anti -drifting structure includes the clamping groove, inner sealing ring, card post, fixed block and outer sealing ring, the clamping groove is set up in the bottom of fastener main part. A novel rail fastener, be equipped with elastic strip positioning mechanism and anti -drifting mechanism, can be convenient and quick to the fastener and fix, and the fixed is more fastening, and it is not easy to appear the situation of falling off, also can be convenient to the fastener and limit, quick clamping, and it is not easy to appear the situation of deviation.
Owner:TAICANG ZHONGBO RAILWAY FASTENER
Rail fastener convenient to install
The utility model discloses a rail fastener convenient to install, which comprises a fastener main body and a fastener support, the fastener main body is positioned at the upper end of the fastener support, a rail lower cushion plate is positioned between the fastener main body and the fastener support, insulating gauge blocks are arranged on the fastener support and on the two sides of the fastener main body, and the insulating gauge blocks are arranged on the fastener support. An elastic strip main body is positioned on the insulating gauge block, an elastic strip positioning assembly is integrally formed at the end part of the elastic strip main body, the elastic strip positioning assembly is fixed at the upper end of the fastener main body, and screw spikes are positioned among the insulating gauge block, the elastic strip main body and the fastener support. According to the rail fastener convenient to install, the elastic strip positioning assembly and the adjustable rapid positioning mechanism are arranged, the rail fastener can be conveniently and rapidly fixed, the laying construction efficiency of the rail fastener is improved, the fastening effect of the rail fastener can be improved, and the conditions of loosening and deviation are not prone to occurring.
Owner:TAICANG ZHONGBO RAILWAY FASTENER
Rail anchoring spike
An improved rail anchoring spike that includes barbs is used for fastening metal to ties. The spike includes a head having one or more flanges and a stand-off extending axially from the flange(s). The spike includes a shank extending axially from the stand-off to form a tapered tip. The shank is adapted to engage dense material of the tie by a combination of threads and barbs on the shank. The threads are generally parallel and extend over a threaded portion of the shank. The shank includes a plurality of barbs positioned in a lower half of the threaded portion. Each barb is positioned between a pair of threads. Each barb is configured to minimize damage to fibers of the tie during installation of the spike as the fibers relax behind, and engage with, a barbed end. This prevents movement of the spike over time despite deterioration of the tie.
Owner:LEWIS BOLT & NUT CO
One-piece rail boot with integrated flangeway former
Owner:POLYCORP
Steel rail sidesway and rollover prevention device
The utility model relates to a steel rail laying stabilizing device, in particular to a device for preventing a steel rail from laterally moving and turning over. The anti-sidesway and anti-rollover device is provided with a buckling and pressing element buckled and pressed on the steel rail, the buckling and pressing element is provided with a flat plate pressed on the top of the steel rail, the four corners of the flat plate are vertically bent downwards to form vertical plates located on the two sides of the steel rail, and gaps are formed between the vertical plates and a top plate of the steel rail. The lower end of the vertical plate is bent towards one side far away from the steel rail, namely towards the outer side, and extends to the outer side of the steel rail foot to form a protective plate positioned on the outer side of the steel rail; the lower end of the protective plate is horizontally bent towards one side far away from the steel rail foot to form a mounting plate; the flat plate, the vertical plate, the protective plate and the mounting plate jointly form a double-n-shaped buckling and pressing element; balance bolts are mounted on the four mounting plates; a puller bolt is installed on the protective plate, and the end of the puller bolt is in direct contact with the steel rail. According to the utility model, the phenomenon that the steel rail laterally moves or turns over in the using process of the steel rail is avoided, and the safety controllability and the working efficiency of on-site construction are improved.
Owner:CHINA RAILWAY 15TH BUREAU GROUP CORPORATION LIMITED +1
Railway gooseneck boom disease treatment method without interruption of driving
The invention discloses a railway gooseneck boom disease treatment method without interrupting driving, which comprises the following steps of: surveying and measuring a small-radius curve disease section, and determining the arrangement position and the number of ground anchor type constraint structures on the outer side of an upper steel rail of a curve in the extending direction of a matched track; foundation pits are excavated at all the arrangement point positions, prefabricated pile bodies are implanted, anchoring bodies are formed after pouring filling materials are solidified, and the reserved connecting sections are exposed; the curved upper steel rail and the reserved connecting section of the anchoring body at the corresponding position are detachably and rigidly connected through a rigid connecting component by utilizing a driving gap or a maintenance skylight, so that transverse constraint on the track structure is formed; by adjusting the pre-tightening force and the connecting length of the rigid connecting component, the line direction is accurately calibrated, line geometric parameters are detected until the line geometric parameters meet the traffic safety standard, and renovation and acceptance check are completed. The problems that in existing railway gooseneck boom disease treatment, running needs to be interrupted, the treatment efficiency is low, disturbance to a ballast bed structure is large, and diseases are prone to relapse after treatment are solved.
Owner:LIUZHOU IRON & STEEL CO LTD +1
Rapidly-mounted rail fastener
The utility model relates to the technical field of fasteners, in particular to a quick installation type rail fastener. According to the technical scheme, the fastening assembly comprises a screw spike tail end, a notch and an alignment block, the notch is formed in a thread of the screw spike tail end, the alignment block is fixedly installed in the sleeper, the screw spike tail end is inserted into the sleeper along the alignment block through the notch, the notch is parallel to the axis of the screw spike tail end, and the screw spike tail end is connected with the screw spike tail end. After the tail ends of the screw spikes are inserted into the sleeper, the notches and the alignment blocks are staggered. The tail end of the screw spike is quickly inserted into the sleeper from the alignment block through the notch formed in the tail end of the screw spike, the notch and the alignment block are staggered by rotating the tail end of the screw spike, and the friction force is increased by utilizing the thread friction between the friction rubber block and the tail end of the screw spike, so that the tail end of the screw spike is prevented from rotating; therefore, the tail ends of the screw spikes can be left in the sleeper, and the installation efficiency is improved.
Owner:SUZHOU SUDLAND RAILWAY ACCESSORIES CO LTD
Rail fastener sealing systems and methods for sealing a rail fastening assembly
A rail fastener sealing system comprises a dowel having a substantially cylindrical elongated body and a dowel passage configured to receive a fastener that secures a rail to a rail tie. The sealing system further includes a seal positioned on an end of the dowel. The seal includes a flexible body having a central passage extending through the flexible body and a lip extending circumferentially around an opening of the central passage. The lip of the seal is disposed adjacent the end of the dowel and at least a portion of the flexible body of the seal is positioned within the dowel passage.
Owner:JAMAK FABRICATION TEX LLC
Anti-loosening type railway track anti-creeper
Owner:哈尔滨地铁集团有限公司
Anti-climbing device for ballast track
The invention relates to the technical field of ballast tracks of railways, in particular to a ballast track anti-creeping device which comprises a plurality of overhanging beams symmetrically mounted at the two ends of a sleeper; a plurality of first baffles and a plurality of second baffles, wherein the first baffles and the second baffles are mounted at the bottom of the overhanging beam; the first baffle is used for limiting the sleeper to move in the first direction; the second baffle is used for limiting the sleeper to move in a second direction; the first direction is perpendicular to the second direction. According to the ballast track anti-creeping device, the overhanging beams are symmetrically installed at the two ends of the sleeper, the first baffles and the second baffles are arranged at the bottoms of the overhanging beams, the first baffles and the second baffles can be inserted into a foundation, the contact area of the sleeper and a railway ballast is increased, and therefore the sleeper side resistance is improved, and track creeping is effectively restrained.
Owner:CHINA RAILWAY ERYUAN ENGINEERING GROUP CO LTD +1
Multi-dimensional fixed rail fastener
The utility model relates to the technical field of rails, in particular to a multi-dimensional fixed rail fastener. According to the technical scheme, the device comprises a rail and a pre-embedded bottom plate arranged on the bottom face of the rail, two limiting screws are fixedly arranged on the upper surface of the pre-embedded bottom plate, and the limiting screws are each sleeved with a set of limiting nuts in a threaded mode; the limiting screw rod is movably sleeved with the supporting plate, and a fastening assembly used for fixing the track is fixedly arranged on the upper surface of the supporting plate. According to the rail fixing device, the rail can be stably fixed in a multi-dimensional mode, acting force in different directions can be effectively coped with, the stability and reliability of rail fixing are greatly improved, and the multi-dimensional fixing requirement under the complex operation environment is met.
Owner:SUZHOU SUDLAND RAILWAY ACCESSORIES CO LTD
Anti-climbing assembly and steel rail device
The utility model provides an anti-climbing assembly and a steel rail device, the anti-climbing assembly comprises a connecting rod and a climbing nail, the connecting rod comprises a connecting rod main body and a clamping part, the clamping part is detachably connected to the connecting rod main body so that the clamping part can be connected with or separated from the connecting rod main body, and the clamping part is located below a steel rail and located above the connecting rod main body; the climbing nails are arranged on the sides, back on to the steel rails, of the connecting rods and connected to the connecting rods, and the climbing nails are used for being connected with the ballast track bed in an inserted mode so that the climbing nails can be directly inserted into the ballast track bed, the anti-climbing assembly can be installed on the ballast track bed, and the situation that the ballast track bed needs to be dug to hide the connecting rods in the ballast track bed is avoided; and the installation convenience of the anti-climbing assembly is improved.
Owner:CHINA RAILWAY ENG CONSULTING GRP CO LTD
Curve alpha steel rail arc-shaped anti-climbing device
The utility model belongs to the field of dynamic curve rail weighbridge steel rail pad weighing sensors, and particularly relates to a curve alpha steel rail arc-shaped anti-creeping device which is installed at two ends of a curve weighing area steel rail or installed on an outer rail waist outside the curve weighing area. The utility model discloses a curve alpha steel rail arc-shaped anti-creeping device support which comprises a foundation embedded steel plate, a curve alpha steel rail arc-shaped anti-creeping device support male and female, a steel rail anti-creeping rod and a cotter pin, and the curve alpha steel rail arc-shaped anti-creeping device support male and female are two curve alpha steel rail arc-shaped anti-creeping device supports installed on the two sides of a steel rail. The two curve alpha steel rail arc-shaped anti-climbing device supports are connected with the steel rail through steel rail anti-climbing rods, and the two ends of each steel rail anti-climbing rod are locked through cotter pins respectively. According to the utility model, the defects of thermal expansion and cold contraction caused by seasonal variation of steel rails in a curve weighing area or outside the curve weighing area or rail climbing and shifting caused by loosening of outer rail fasteners can be overcome, and the unstable influence on metering caused by sudden change of pulling force or extrusion force generated by the outer rail on the curve weighing rail can be avoided and reduced.
Owner:HANGZHOU ZHENHUA INDAL WEIGHING TECH
Method for constructing longitudinal evolution model of in-service ballastless seamless turnout considering resistance update
The application provides a method for constructing a longitudinal evolution model of an in-service ballastless seamless turnout considering resistance updating, and belongs to the technical field of rail transit. The method comprises the following steps: step 1, parameterized modeling of the seamless turnout; step 2, construction of boundary conditions and equilibrium equations; step 3, resistance curve drift analysis and equivalent processing; step 4, dynamic updating of resistance parameters; and step 5, nonlinear solving and model construction. The application can extend the modeling theory of the ballastless seamless turnout from the design reference state to the service state. Compared with the traditional method, the application also supports dynamic updating of resistance parameters in multi-load step iteration calculation, and can more accurately simulate the longitudinal creeping behavior of the ballastless seamless turnout. The application can be combined with digital twin technology to provide theoretical support for the service state reconstruction, model correction and safety evaluation of the seamless turnout.
Owner:SOUTHWEST JIAOTONG UNIV
An anti-climb device for port rail machinery
This utility model relates to the field of anti-climbing device technology and discloses an anti-climbing device for port rail machinery. It includes two rails, with sleepers installed on the front and rear sides of the bottom of each rail. Both sleepers support the rails. Stabilizing mechanisms are installed on the outer walls of both rails to stabilize the device. Connecting mechanisms are installed on the left and right sides of each rail to connect the device. Driving mechanisms are installed on the opposite sides of the stabilizing mechanisms to drive the device. Guide mechanisms are installed on the left and right sides of each rail. In this utility model, the sleepers provide support for the rails. Anti-loosening screws pass through the rail clamping plates and connect to the rails. A double-locking system using both concave and convex nuts prevents loosening. When a creeping tendency is detected on the rail, a servo motor starts, driving a bidirectional lead screw to rotate. The lead screw is threadedly connected to a slider.
Owner:HUBEI POLYMER SUPPLY CHAIN TECHNOLOGY CO LTD