224results about "Rail switches" patented technology

The present disclosure is applicable to the field of railway signal control, and provides a throat turnout group determination method, comprising: constructing a route direct conflict turnout dictionary and a throat-area turnout group dictionary on the basis of station turnout information and route information; constructing a route throat-area direct conflict turnout group dictionary on the basis of the route direct conflict turnout dictionary and the throat-area turnout group dictionary; constructing a set of occupied throat turnout groups on the basis of the throat-area turnout group dictionary and the route throat-area direct conflict turnout group dictionary and in combination with the direction of a route and a reception / departure type; and determining a turnout group having the longest total occupation time in the set of occupied throat turnout groups as a target throat turnout group. The present disclosure can enhance the computational efficiency of station throat operational capacity and solve the problem of being prone to errors caused by manual analysis.

A bridge piece that can be used as a hose bridge extender or a railroad crossing. An exemplary bridge piece has a body having an undercut proximate one side, which undercut is positioned near a track when used as part of a railroad crossing.

The disclosed solution generally relates to a switch point roller assembly. The switch point roller assembly is configured to be operatively connected to a switch point within a railway switch. The switch point roller assembly comprises a spring, a bolt assembly, a roller assembly, a housing assembly, and a base plate. The base plate may be secured such that the roller assembly is in substantial contact with a railway plate during movement of the switch point—such that the operation of the switch point is improved. As such, the switch point is more resilient to wear thus leading to decreased maintenance costs and increased safety for personnel, passengers, and property.

This invention relates to the field of rail manufacturing technology, specifically disclosing a turnout rail with uniform hardness distribution on both sides of the rail head and its manufacturing method. The manufacturing method includes: online heat treatment of the rolled rail, which includes: an accelerated cooling stage: when the temperature of the rail top surface of the rolled rail is between 720 and 840°C, the rail top surface, the long leg side of the rail head, and the short leg side of the rail head are accelerated to 460 to 520°C, wherein the cooling rate of the rail top surface is 1.5 to 3.0°C / s, the cooling rate of the long leg side of the rail head is 2.0 to 3.0°C / s, the cooling rate of the short leg side of the rail head is 2.5 to 3.5°C / s, and the cooling rate difference between the short leg side and the long leg side of the rail head is 0.3 to 0.7°C / s; and an air cooling stage: the rail cooled in the accelerated cooling stage is air cooled to room temperature. This invention can produce turnout rails with uniform hardness distribution on both sides of the rail head, thereby improving the stability of turnout rails during service.

The invention relates to the technical field of switch rails, in particular to a production method of an elastic bendable switch rail for a compound dividing turnout, which comprises the following steps: determining the steel rail model of the switch rail according to the model of a stock rail; determining the machining range of the switch rail according to the steel rail model; precise cutting is conducted on the determined machining range through slicing machining, the horizontal inertia moment and the flexural rigidity of the switch rail are weakened, and an elastic bendable section is formed; the cut switch rail is subjected to precision verification; forging and pressing the point rail subjected to precision verification, and processing the section of the point rail into a common steel rail section consistent with that of the stock rail; the forged and pressed switch rail is cooled, straightened and detected, the switch rail produced through the method is stable and simple in structure, the problems that bolts are broken off, rail seams are eroded and the like are reduced, the reliability of the switch rail is improved, the service life of the switch rail is prolonged, and maintenance convenience of the switch rail is improved.

The invention discloses a forcible entry device for turnout frog cementing spacer iron, which comprises a jack and further comprises a support frame arranged above steel rails on two sides of the spacer iron; the vertical adjusting assembly is vertically and adjustably connected to the middle of the supporting frame; the fixing ring is hinged to the bottom of the vertical adjusting assembly; the jacking pieces are arranged at the rail waist positions of the steel rail working faces on the two sides correspondingly; wherein the two ends of the jack are connected with the jacking pieces on the corresponding sides respectively. According to the turnout frog cementing spacer iron breaking device, high-strength cement between a steel rail and spacer iron can be broken, the spacer iron and the steel rail are separated, the operation efficiency is improved, the problem that train transportation is affected by skylight delay points and responsibility assessment is caused is solved, the height of the jack can be adjusted, and the service life of the turnout frog is prolonged. The height difference of rail web positions of different types of steel rails is achieved, the applicability is wide, and the safety risk that hands and feet of operators are squeezed by sliding of a crowbar in traditional operation, and personal injury accidents are caused is eliminated.

The invention relates to the technical field of railway turnouts, in particular to a switch rail pull rod structure for a compound cross-section turnout, the pull rod structure comprises a pull rod assembly, the pull rod assembly comprises a first pull rod, a second pull rod and a clamping plate, and the end part of the first pull rod is in contact with the end part of the second pull rod; the clamping plate is arranged at the contact of the first pull rod and the second pull rod; the first end of the clamping plate is fixed to the first pull rod. The second end of the clamping plate is fixed to the second pull rod. Insulating sleeves sleeve the peripheries of the first pull rod and the second pull rod; an insulating pad is clamped between the contact surfaces of the first pull rod and the second pull rod; the connector structure comprises a connecting rod and a fixing piece, a clamping structure is arranged at the first end of the connecting rod, a clamping groove is formed in the clamping structure, and the clamping structure is connected with the tongue rail bottom through the clamping groove; the fixing piece is used for fixing the connecting rod and the switch rail bottom; the second end of the connecting rod is fixedly connected with one end of the first pull rod away from the second pull rod.

The utility model discloses a movable core frog glue joint spacer iron stripping device which comprises a jack and a hand pump and further comprises a supporting top piece, at least one concave groove is formed in the lower portion of the inner side of a vertical rod of the supporting top piece, and the concave groove is used for being matched with a rail bottom in a clamped mode to complete work. The supporting plate is vertically connected to the outer side surface of the vertical rod of the supporting top piece; wherein the jack is installed on the supporting plate, one end of the jack is in abutting connection with the supporting ejecting piece, and the other end of the jack is in abutting connection with the steel rail or the spacer iron to complete stripping work of the non-abutting end of the steel rail or the spacer iron. The steel rail clamping device is ingenious in design, and the reliability and economical efficiency of a rail system can be improved while the requirement for stable clamping of the steel rail can be met; the appearance structure of the supporting jacking piece can be matched with different sizes of a long point rail, a straight strand wing rail, a curved strand wing rail and a fork heel switch rail, a vertical stress face is provided for the jack, and the acting force of the jack is transmitted to a steel rail through the supporting jacking piece.

The utility model belongs to the technical field of railway turnout coupler locks, and particularly relates to a closely-attached coupler lock for turnout operation and maintenance, which comprises a closely-attached hook head and a movable hook head. The movable hook head and the close-fitting hook head are in sliding fit in the transverse direction, and the close-fitting hook head is used for buckling a switch rail; the movable hook head is used for buckling the stock rail, and when the movable hook head slides towards the close-attaching hook head, the switch rail can be tightly attached to the stock rail. The utility model has the advantage of preventing the closely attached hook head and the movable hook head from scratching the switch rail and the stock rail.

The utility model provides a ramp single-open limiting turnout device which comprises a plurality of fixed rails, a plurality of limiting rails, a plurality of limiting rails and a base, one end of the first swing rail is hinged to one fixed rail; one end of the second swing track is hinged to one end, far away from one fixed track, of the first swing track, and the other end of the second swing track corresponds to the other fixed track; and the limiting assembly is used for limiting the end, close to the second swing track, of the first swing track. The device has the advantages that the limiting assembly limits the first swing track, the swing track is prevented from being twisted and deformed due to centrifugal force in the turning process of a locomotive, and the running stability of the device is improved.

The disclosed solution generally relates to a switch point roller assembly. The switch point roller assembly is configured to be operatively connected to a switch point within a railway switch. The switch point roller assembly comprises a spring, a bolt assembly, a roller assembly, a housing assembly, and a base plate. The base plate may be secured such that the roller assembly is in substantial contact with a railway plate during movement of the switch point-such that the operation of the switch point is improved. As such, the switch point is more resilient to wear thus leading to decreased maintenance costs and increased safety for personnel, passengers, and property.

The invention particularly relates to a switch rail lifting type railway turnout. According to the technical scheme, the switch rail lifting type railway turnout is achieved. The turnout is composed of a stock rail, a switch rail A, a switch rail B, a guide rail, an electric lifting supporting column, a lifting groove, a connecting rod, a baffle and a clamping plate. The locomotive is guided by ascending one switch rail and descending the other switch rail; an electric lifting support column is mounted below the switch rail; the tip of the switch rail is provided with an up-down vertical lifting groove in which a connecting rod is arranged; the heel end of the switch rail A and the guide rail are clamped by a clamping plate; the heel end of the switch rail B and the stock rail are clamped through a clamping plate. According to the railway turnout manufactured according to the technical scheme, turnout faults can be completely eradicated. And the structure is simple, the operation is convenient, and frequent oil brushing, cleaning and maintenance are not needed.

Described are a method for retrofitting, controlling and monitoring and for the energy management of existing switch-heating systems for selectively heating switches for a rail-bound transport system, and a retrofit device (1) for an existing switch-heating system for controlling and monitoring and for the energy management of switch-heating means, whereby energy for heating the rails is saved, functional reliability is increased through suitable prioritized heating of exposed parts, and good load management is made possible. This is achieved by virtue of a plurality of switch-heating devices (3, 3') being installed at each switch, wherein each switch-heating device (3, 3') has a heating element (4), a local control unit (5) and a temperature sensor (6, 6') connected to the local control unit (5), wherein each local control unit (5) is connected via a bus line (8) and / or radio connection to a central control device (7) that comprises a microprocessor (9), and wherein the central control device (7) is installed in addition to an existing controller (11).

The utility model discloses a movable point rail frog slide plate base plate device, which belongs to the technical field of railway tracks and comprises a bottom plate, two wing rails arranged on the bottom plate and a point rail positioned between the two wing rails. A platen is arranged between the point rail and the bottom plate, the point rail is fixedly connected with the platen, a rotary connecting structure is arranged between the platen and the bottom plate, and the rotary connecting structure can convert transverse thrust borne by the point rail into transverse component force enabling the point rail to move horizontally and vertical component force enabling the point rail to ascend. The point rail switching device has the advantage that frictional resistance in the point rail switching process is reduced.

The present application belongs to a kind of automatic oil injection lubrication system and method based on controllable electric push rod, it can share line with turnout gap monitoring system equipment, compatible system software, also can work independently into system, system can be intelligent timing or manual remote control for turnout outer locking device to carry out oil injection lubrication, meet the demand of instant oil lubrication, realize intelligent control, keep the good lubrication state of turnout outer locking device hook lock assembly, reduce and avoid the mechanical failure of turnout outer locking caused by poor lubrication, improve the reliability of switch, can control injection frequency, injection volume according to the degree of influence of turnout conversion frequency at different positions in the field, weather conditions such as sand, rain, snow, sunlight, environmental temperature and humidity changes on turnout;Oil injection system can be used without manual monitoring of oil quantity in oil tank within the cycle, and alarm can be given when oil quantity reaches the lower limit value set by the system.

In adhesive crossings used in railway switches, the aim is to obtain a structure that strengthens the joint between the long and short nose rail sections constituting the nose rail, thereby improving durability. [Solution] In an adhesive crossing equipped with a nose rail formed by joining a long nose rail section 11 and a short nose rail section 12, the long nose rail section 11 and the short nose rail section 12 use special rails having a thickness that does not create a recess on the stomach side of the contact surface, the joining surface F of the long nose rail section 11 and the short nose rail section 12 is made into a continuous surface from the bottom to the top, and adhesive is applied to the joining surface F to bond them together. Furthermore, if necessary, bolt holes 70 are drilled between the long nose rail section 11 or the short nose rail section 12 and a splice material 50 placed on the outside, and bolts 81 are inserted through the bolt holes 70 and tightened with nuts 91 to apply pressure to the adhesive-coated joining surface F and firmly bond them together.

This invention provides a structure for improving the vibration reduction performance of fixed frog turnouts, belonging to the field of track technology. It includes a wing rail and a frog vibration-damping metal component. A spacer is provided between the wing rails, and the frog vibration-damping metal component is located between the wing rails. Both sides of the frog vibration-damping metal component have outward protrusions. Multiple sets of limiting blocks are provided on the spacer. The outer side of the outward protrusions is consistent with the arc surface of one side of the wing rail, and one end of each set of limiting blocks is connected to the bottom of the outward protrusion. This invention solves the technical problem of upward force generated at both ends of the vibration-damping device under train load, leading to upward displacement and adversely affecting the wheel flanges. It achieves the technical effect of limiting the upward displacement of the vibration-damping device, improving system stability, and not affecting the compression deformation of the elastic material and the vibration reduction performance.

The utility model provides a rail mounting seat and a railroad switch, and relates to a rail transit technology. The track mounting seat comprises a base plate, a mounting sleeve and a fastener, the base plate is provided with a mounting hole, the mounting sleeve is arranged in the mounting hole in a penetrating mode and provided with a connecting hole, the connecting hole is eccentrically arranged relative to the mounting hole, and the fastener is arranged in the connecting hole in a penetrating mode so as to fix the base plate. The eccentric distance between the connecting hole and the mounting hole can be adjusted by replacing different mounting sleeves or adjusting the mounting directions of the mounting sleeves to change the mounting position of the base plate, so that the purpose of adjusting the base plate and the stock rail is achieved, the mounting difficulty is reduced, and the mounting efficiency is improved. And the gauge can be adjusted after the gauge of the stock rail and the tongue rail is changed due to abrasion in use, so that the gauge is kept.

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

The invention provides a split slide plate, which relates to the technical field of rail transit, is used for bearing a stock rail and a switch rail and allowing the switch rail to slide along a first direction to get close to or get away from the stock rail, and comprises a bottom plate, a bedplate and an iron seat, and a first mounting groove and a second mounting groove are formed in the bottom plate at an interval along the length direction. The bedplate is detachably connected with the bottom plate through the first mounting groove and is suitable for bearing the switch rail. The iron base is detachably connected with the bottom plate through the second mounting groove, the stock rail is located between the platen and the iron base and limited by the platen and the iron base to move in the length direction, and the platen and the iron base are constructed to be inserted into the first mounting groove and the second mounting groove correspondingly to be in interference fit with the bottom plate after responding to the fact that the bottom plate is heated.

This invention discloses a temporary superimposed turnout and its construction method for non-stop tramway retrofitting. When a break exists on one track of a double-track line, the broken section is merged into the other track. Temporary superimposed turnouts are installed in pairs on the existing track before and after the break. Each temporary superimposed turnout includes a main track section and a branch track section. Each main track section overlaps with the other track without a break, corresponding to either the break or the break, and includes a standard guide rail and two overlapping sections of the main track. Each branch track section includes a branch track overlapping section, a transition section, and a standard guide rail. Each branch track overlapping section overlaps with the track with the break. Each transition section connects to the corresponding main track section. The intersection of the standard guide rails of the main track section and the branch track section forms a crossing section. This invention saves on engineering and social organization costs, has minimal social impact, and the temporary turnouts are reusable, easy to install, and low-cost.

The invention discloses a manufacturing method of a pre-hardening-free high manganese steel frog, and relates to the technical field of turnout steel rail pieces. According to the method, the austenite high manganese steel frog is machined, so that the specific areas of a point rail and a corresponding wing rail are 50-80 mm higher than a working face, and the gradient of a transition slope is smaller than 60 degrees; and the heightened area is forged at the temperature of 1180-1200 DEG C through three-stage forging, the first-time forging rolling reduction and the second-time forging rolling reduction are controlled, heat preservation is conducted after forging, the heightened area is flush with the working face through third-time forging, finally, water cooling is conducted, and the pre-hardening-free high manganese steel frog is obtained. Pre-hardening treatment is not needed, the performance of the frog is improved through the structural design and the forging technology, a heterogeneous structure is formed on the surface layer, the initial strength of the frog is remarkably improved on the premise that plasticity and toughness of the frog are kept, the service life is prolonged, and the frog is suitable for severe service environments such as high-speed heavy haul railways and plateau railways.

This utility model relates to a track gauge adjustment device for a turnout switching section. The device includes a left rod, a right rod, a middle sleeve, a pin, a middle nut, a side nut, and a shrinking component. The left and right rods are respectively inserted into the middle sleeve and connected to it via the pin. The right end of the left rod has an external thread section; the external thread section is threaded into the middle nut; the middle nut engages with the middle sleeve. Both the left and right rods have a groove A at their outer ends corresponding to the inner edge of the lower flange of the guide rail. Both the left and right rods have a lead screw extending outwards from their lower sides; the lead screw passes through the shrinking component and engages with the side nut threadedly. The shrinking component has a groove B corresponding to the inner edge of the lower flange of the guide rail. This utility model adjusts the small track gauge at the turnout switching section by tightening the middle nut and adjusts the large track gauge by tightening the side nut. The force applied to the guide rail at the switching section will not exceed the guide rail's bearing capacity, ensuring normal train operation.

The invention relates to the technical field of steel rail production, and particularly discloses a turnout steel rail with uniformly distributed hardness of a rail waist central section and a production method of the turnout steel rail. The production method comprises the steps that on-line heat treatment is conducted on the rolled steel rail, and the on-line heat treatment comprises the accelerated cooling stage, specifically, when the temperature of the rail top face of the rolled steel rail ranges from 700 DEG C to 800 DEG C, the long leg side rail web and the short leg side rail web of the rolled steel rail are accelerated to be cooled to 490 DEG C to 570 DEG C, the accelerated cooling speed of the short leg side rail waist is higher than that of the long leg side rail waist; and an air cooling stage, wherein the steel rail cooled in the accelerated cooling stage is air-cooled to the room temperature. The production method can be used for producing the turnout steel rail with the hardness of the central section of the rail web uniformly distributed, and the stability of the turnout steel rail in the service process is improved.

The invention relates to an unmanned turnout railway traffic system, which is characterized in that a three-dimensional chord hinge hook is hinged and straddled on a center shaft of a rotating center frame on a wheel axle frame, and a differential motion flat tread wheel axle forms good bending adaptability motion through linkage of double pins and double grooved wheels; a locomotive head on a fixed-fork inclined-end caking is positioned through a chord hinge hook self-guided selection line track tail locomotive guard, when a train stops, a rigid hook can be unlocked to detect and maintain individual vehicles, lines can be changed, a window period can be flexibly provided to update railway facilities, particularly, a comprehensive caking dispatching yard is practical and compact, operation management has more options, and the service life of the dispatching yard is prolonged. And strong centrifugal force shaking and vibration noise can be eliminated.

The invention discloses a stripping device and method for glue joint spacer iron of a movable core frog. The stripping device comprises a jack and further comprises a supporting jacking piece; the supporting plate is connected to the outer side of one end of the supporting top piece; the rail head positioning structure is arranged above the other end of the supporting top piece; the rail bottom positioning structure is arranged below the other end of the supporting top piece; wherein the jack is arranged on the supporting plate, one end of the jack is in abutting connection with the supporting ejecting piece, and the other end of the jack is in abutting connection with the steel rail or the spacer iron to complete stripping work of the non-abutting end of the steel rail or the spacer iron. The safety risk that hands and feet of an operator are squeezed by sliding of a crowbar in traditional operation, and personal injury accidents are caused is eliminated, the clamping distance between the positioning part and the steel rail can be transversely and vertically adjusted, the contact distance between the positioning part and the corresponding part of the steel rail can be adjusted more accurately and more conveniently, and the working efficiency is improved. The gap between the steel rail and the positioning structure is ensured, and uneven pressure or damage caused by improper clamping is avoided.

This invention discloses a design method for an elastic guard rail device for turnout switch rails. By determining the lateral bearing capacity of the elastic guard rail device and the distance between the guard rail and the rail, the elastic support frame provides a certain degree of flexibility between the guard rail and the rail. This method prevents train wheels from derailing at the turnout switch rail, reduces wear on the turnout switch rail, extends the service life of the turnout switch rail, enhances the stability of the track structure at the turnout switch rail, improves the smoothness of trains passing through the turnout laterally, and reduces the workload of track maintenance. The method is simple in steps, easy to calculate, and has good results.

The utility model belongs to the technical field of switch sleepers, and discloses a high-durability switch sleeper which comprises a steel switch sleeper body, steel switch rail bodies are symmetrically and fixedly arranged on the upper surface of the steel switch sleeper body, forking pieces are symmetrically arranged in the steel switch rail bodies, grooves are symmetrically formed in the steel switch rail bodies, forking grooves are formed in the forking pieces and a support of the steel switch rail bodies, and the forking pieces and the support of the steel switch rail bodies are connected through the forking grooves. A plurality of connecting blocks are symmetrically and fixedly arranged on the lower surfaces of the linear rail bodies, the lower surfaces of the connecting blocks are movably attached to the corresponding linear rail bodies, bent steel columns are fixedly arranged on the outer sides of the connecting blocks, fixing plates are arranged on the outer surfaces of the bent steel columns in a clamped mode, and clamping grooves are symmetrically formed in the upper surfaces of the linear rail bodies. According to the scheme, the steel switch sleeper body and the steel switch rail body are adopted, the strength is high, the toughness is good, the service life is long, connection is stable, and the rail stability and durability are good; the linear rail body and the like are detachable, installation, adjustment, maintenance and replacement are convenient, flexible combination can be achieved through modular design, and the construction efficiency and adaptability are improved.

The invention belongs to the technical field of railway traffic, and discloses a CN turnout external locking snow removal device based on electromagnetic heating. The CN turnout external locking snow removing device based on electromagnetic heating comprises a base, a heating sleeve and a control module, the heating sleeve is arranged on the base and comprises a sleeve body, a high-frequency coil, a magnetic shielding layer and an insulating protection layer, the section of the sleeve body is oval, and at least part of the CN turnout external locking device can be located in an inner cavity of the sleeve body. The high-frequency coil is arranged on the sleeve body, the magnetic shielding layer and the insulating protection layer are stacked on the outer wall of the sleeve body, and the magnetic shielding layer is located between the insulating protection layer and the outer wall of the sleeve body; the control module is used for controlling opening and closing of the heating sleeve. According to the CN turnout external locking snow removal device based on electromagnetic heating, the convenience of installation at a CN turnout external locking device is improved, the installation difficulty is reduced, heating blind areas are reduced, the heating time is shortened, and the snow melting cost is reduced.

The application relates to the technical field of railway engineering machinery, and provides a turnout replacement device and a turnout replacement method. The turnout replacement device comprises a flat car and a gantry crane, the gantry crane comprises a telescopic arm and a telescopic column fixed at one end in the transverse direction, the telescopic column can be telescopically extended in the vertical direction; a fixed column is fixed at the lower end of the flat car, and the upper end of the fixed column is hinged at the other end of the telescopic arm, so that the telescopic arm and the telescopic column can rotate as a whole around the fixed column; and the fixed column is fixed on the flat car. The application solves the technical problem of complicated use and storage processes of the gantry crane of the traditional turnout replacement device.