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12results about "Rail anchors" patented technology
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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
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
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
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
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
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