192 results about "Railroad switch" patented technology

A vital proximity detection mechanism and method for reliably determining and communicating the position of a railroad switch point relative to a normal fixed track and a reverse fixed track, wherein the mechanism includes substantial component redundancy and fault-checking features and otherwise meets promulgated safety standards for vital componentry. The mechanism includes an RF transmitter and remote status indicator unit to allow for remote adjustments of proximity sensors while monitoring the effects of such adjustments.

The invention relates to automatic route selection technology for a railway vehicle. In a method and a system for controlling automatic route selection of the invention, a microelectronic module is adopted to replace the prior relay, the logical relation is completed by an MCU, and the logical design is simpler and more reliable; a wireless remote control mode is introduced to complete the opposing change of a railroad switch, so the work intensity of a driver is reduced; electromagnetic sensing technology is quoted to determine the direction and speed of a train; and a remote integrated monitoring function is increased to master the work states of equipment such as an electric point switch, a railroad switch, a wheel sensor and the like at any time. Therefore, the new functions improve the running safety of the train greatly, ensure the stability of the equipment, and really achieve automatic route selection of the train.

A switching assembly includes a pair of hollow ties, a pair of supports, and a linkage. The linkage extends generally through the hollow ties, whereby the cribs are generally free of linkage components, and the ballast in the cribs can be compacted with known automated machinery. The linkage includes a number of lugs and a number of rods, with the rods each being formed from standard bar stock and threaded, and with the linkage configuration avoiding the need to custom bend any of the rods. The hollow ties are formed from generally available standard box section steel, as are the supports. The spacing between the hollow ties can be varied in accordance with the pitch of the other rail ties of the railroad switch. Each hollow tie can include a heater. The switching assembly is highly adjustable, which makes it suitable for use in numerous different track configurations.

The invention discloses a city train steel spring floating track construction method for resolving the vibration, noise problems of train in railroad switch, which lays city railroad on a steel spring floating plate without slag bed, to reduce the vibration and noise, comprising that filling base, testing and arranging base mark and vibration insulator center point, grinding and repairing the surface of the filled layer of the insulator, laying insulated film, laying railroad switch, positioning and mounting an outer muffle of the insulator, bonding a floating plate steel bar network and anti-drop steel bars, adjusting the railroad switch, mounting a force cutter and a support template, pumping concrete to irrigate the floating plate bed, detaching mould of the concrete and maintaining, lifting up the steel spring floating plate.

A railroad switching indicator apparatus for use with a point detector bar, and a point locking rod which cooperatively locks with a locking bar. First and second point detector bar receptors generate first and second signals indicating the first and second terminal movements of the point detector bar. At the same time, a point lock rod receptor generates another signal indicating the locking of the locking bar with the point locking rod.

An improved railroad switch monitoring unit of the type that determines whether a mobile rail is brought into a closed state or an open state with respect to a stationary rail. The improvement comprises a fiber Bragg grating (FBG) included in the monitoring unit that is used to determine, based on stress able change in the resonant wavelength of the FBG, whether the mobile rail and the stationary rail are closed or open.

The invention discloses a high-strength turnout switch, and belongs to the technical field of railway assembly manufacture. The turnout switch comprises a straight basic rail and a curved point rail. The turnout switch is characterized in that: the surface, attached to the curved point rail, of the straight basic rail is a sunken vertical abutted surface; the surface, attached to the straight basic rail, of the curved point rail is a vertical abutted surface; and the rail head of the curved point rail is a flat rail head capable of being concealed in the sunken abutted surface of the straight basic rail. The turnout switch has the advantages that: the point end of the original curved point rail is widened to improve the strength of the point end of the curved point rail; and correspondingly the abutted surface of the straight basic rail is changed into the vertical abutted surface capable of accommodating the widened point end of the curved point rail, so that the transition distance from the point end of the curved point rail to the width of the complete rail head is shortened at the same time of ensuring abutting, namely the length of the weak section of the curved point rail is reduced, the load bearing capacity and the abrasion resistance of the curved point rail are improved, and the service life of the curved point rail is greatly prolonged. The turnout switch is particularly suitable to be used in heavy-duty line turnouts.

The invention discloses a system for emergency communication in mine production which includes a server, an exchanger, a monitoring terminal, a base station, a repeater and a leakage cable; the base station connects with the server through the exchanger, the monitoring terminal for location video monitoring person and tracking vehicle is connected between the base station and the exchanger; the base station connects with the leakage cable leading to the mine, the base station sends signal to the mine through the leakage cable, a pair of repeaters are set at a certain distance away on the leakage cable with long distance for processing filtering and compensating to signal. The method uses the repeater with 450MHz frequency band which can filter various noise in transmitting process by using the inner duplexer, and process amplifier compensation to the useful sign. The 450M frequency band has wide band that realize data transmition for voice signl under the mine, vehicle tracking, person location and railroad switch control.

The invention relates to operation state online automatic detection control method of hydraulic goat railroad switch, and relative device, which is formed by a pressure sensor, a embedded microprocessor control module, a A / D conversion module, a serial port communication module, a storage module, and the detecting software of PC machine. It is characterized in that: it uses the system of upper and lower machines, while the upper machine and several lower machines can realize the distributed data collection and detection via bus; and via the detecting software and separation protection device can form, it can form a hydraulic goat railroad switch with self-maintenance ability, anti-disturb ability and lower energy consumption. And it can alarm real time and inquire and analyze history data.

A switch machine for a railroad switch provided with two switch points, including two operating rods extending from the housing to the switch points; a shifting body within the housing, capable of sliding relative to the housing to simultaneously displace the operating rods; an engagement device within the housing for selectively engaging the operating rods to the housing at the two end stroke points; and a pivoting connector between each operating rod and its associated switch point.

A railway sand table turnout outtrack simulating machine comprises an indoor control circuit and an outdoor turnout controller. The outdoor turnout controller comprises a polarized relay circuit, a micro turnout outtrack driving circuit, a time relay circuit, an indication circuit and an ampere meter indication circuit. The interior control circuit is connected with the outdoor turnout controller through a line X1, a line X2, a line X3 and a line X4. The line X1 and the line X2 are connected with a turnout starting relay circuit to realize operational inputs of turnout positioning / anti-positioning turnout; the line X3 is connected with a positioning / anti-positioning indication relay switch circuit to realize indication of the turnout positioning / the anti-positioning turnout, and the line X4 is connected with the ampere meter indication circuit to realize visual display of the ampere meter. The railway sand table turnout outtrack simulating machine is combined with the conventional turnout control circuit to switch the sand table turnout, the turnout is tested whether to be in place or not and status of the turnout is indicated, so that actual railway site can be simulated well, and experiments and practical teaching of railway colleges and universities are facilitated.

A railroad switch machine which is normally operated by an electric motor but which may be manually operated without causing rotation of the power shaft of the electric motor to enable the switch machine to move the switch points without having to overcome the brake resistance applied to the power shaft by the brake and gearbox thereof.

The invention relates to a ballast screen scarifier in railroad switch, comprising excavating mechanism, screening plant, conveying mechanism, and feeding device so on. Governing mechanism of excavating mechanism, through which horizontal dilation and vertical fluctuation movements of scoop wheel are realized, is assembled on main carriage and connected with scoop wheel bracket with scoop wheel. Pushing mechanism for ballast under pillow is connected with scoop wheel bracket through governing mechanism so that it can realize fluctuation movement corresponding to scoop wheel bracket. In working, pushing mechanism for ballast under pillow can be extended under road-bed under pillow, on which skimming link rotate to send ballast to scoop wheel. Ballasts skimmed or on the slope are lifted and sent to Belt conveying device by scoop wheel. The merits are that various working circumstance, unmanned aided adjusting and working uncontrolled by rail bed structure so on.

The invention relates to a switching turnout tamping device. An oil motor is connected with an eccentric transmission mechanism by a gear transmission mechanism, wherein the middle part of each tamping arm is installed on and interlocked with the eccentric transmission mechanism, and clamping oil cylinders are respectively installed on the tamping arms. The other end of each clamping oil cylinder is fixed on each oil cylinder permanent seat of a box body, each pick wrist is connected with the lower part of each tamping arm by a pick arm pin roll, the pick wrists are respectively connected with each tamping pick, one end of each turnover oil cylinder is installed at each pick wrist, and the other of the turnover oil cylinder is fixed at each tamping arm. By utilizing the gear transmission, the switching turnout tamping device causes the eccentric transmission mechanism to drive the tamping arms to make the circular movement together; being retrained by the clamping oil cylinders, nodal points on the upper ends of the tamping arms force the lower tamping picks to make relative movement to generate elliptical vibration when the lower tamping picks are contacted with ballast, thereby compacting the ballast; and by the reciprocating movement of pistons, the clamping oil cylinders which are respectively arranged along both longitudinal sides of each sleeper cause the tamping picks on both sides to clamp the ballast. The switching turnout tamping device can cause the tamping picks to be turned over upwards so as to meet the different requirements of operations under double-pick, single-pick and non-pick downward insertion states.

A system is provided for temporary protection operation of at least one controller box for a railroad switch turnout in a powered mode or non-power mode depending on the railroad configuration and independent of the controller box. A normal controller box is coupled to the normal switch point and includes a block slidably received within the housing based on moving the normal switch point to establish at least one pair of electrical contacts within the housing. A controller is coupled to the controller box to verify a pair of compressed contacts to determine that the normal switch point has moved to the normal position to cause the controller box to send an open signal to a pair of switch connections. The controller also verifies a pair of extended contacts to determine that the normal switch point has failed to move to the normal position to omit to cause said controller box to send an open signal to the pair of switch connections and maintain each respective switch connection to shunt the stationary stock rails.

The present invention describes an aqueous, non-electrolytic, non-toxic, biodegradable, continuous single phase liquid anti-icing or deicing composition for use on the surfaces of, for example, aircraft, airport pavements, roadways, walkways, bridges, entrances, structures, canals, locks, components, vessels, nautical components, railroad switches, and motor vehicles. The anti-icing or deicing composition comprises: (a) water; (b) a non-toxic freezing point depressant selected from the group consisting of monohydric alcohols having from 2 to 6 carbon atoms, polyhydric alcohols having from 3 to 12 carbon atoms, monomethyl or ethyl ethers of polyhydric alcohols having from 3 to 12 atoms or mixtures thereof, wherein the freezing point depressant present is between about 14 to 60 percent by weight; (c) a thickener which is present in between about 0.01 and 10 percent by weight; and (d) optionally a corrosion inhibitor which is present in between about 0.01 and 0.1 percent by weight of the total composition. In one embodiment, the deicing composition further includes (e) a monohydric primary aliphatic unbranched alcohol as a means of forming a thin layer on the surface of the composition applied to the structure to be given ice protection, and / or as means of forming a homogenized foam with xanthan thickener; which alcohol is selected from the group consisting of alcohols having between 8 to 24 carbon atoms, preferably, 1-dodecanol. Compositions of water, propylene glycol, and / or propanol and xanthan are preferred. In another embodiments compositions preferably containing a polyol, such as glycerin, are used to produce a coating on an object or surface to protect it from graffiti such as paint, lacquer, ink and the like.

This invention uses a perforated hose or tube, of various shapes, sizes and wall thicknesses, to evenly and accurately dispense fluids such as lubricants, anti-ice, anti-snow or other liquids and / or gases onto railroad tracks including railroad switches, railroad crossings, bridge overheads, tunnel walls and even roof tops. This is accomplished by fastening or affixing, by clamp or other means, the hoses or tubes along the length of the railroad tracks, railroad switches, railroad crossings, bridge overpasses, tunnel walls and even roof tops for the purpose of manually, automatically and / or remotely controlling liquid or gas application of various amounts and at various frequencies of application. The hoses or tubes are connected to an operational box wherein a communication device, a pump / s, a compressor and reservoir / s of liquid / s and / or gases, such as anti-icing agents, lubricants, and / or other liquids can be delivered. The hoses or tubes can be a single set of hoses or tubes or they can be serially connected via easy connector boxes allowing for multiple spray application points.

The invention discloses a three-gauge mixed gage turnout. The three-gauge mixed gage turnout comprises a trip switch, two movable point rail frogs and four fixed frogs, wherein the trip switch, the two movable point rail frogs and the four fixed frogs are sequentially arranged. The trip switch comprises four stock rails and four switch rails. The four stock rails are the two straight line stock rails and the two curved line stock rails. The four switch rails are the two straight line switch rails and the two curved line switch rails. The four switch rails are connected with a switch device through a pull rod to achieve gang control over opening and closing. The movable point rail frogs are arranged at the position, where two narrow gauges intersect inside a lead curve, of a slide plate for passing through a 1067 narrow gauge locomotive and a 1000 narrow gauge locomotive. Each movable point rail frog comprises a curved line movable point rail and a straight line movable point rail. The four movable point rails of the two movable point rail frogs are connected with two linkage switch devices through two pulling rods to achieve gang control over opening and closing. The four fixed frogs comprise one fixed curved line frog and three fixed straight line frogs. The four fixed frogs are connected into a whole.

A switch machine that includes a first relay having first normally open contacts and first normally closed contacts provided in the normal motor connection path and a second relay having second normally open contacts and second normally closed contacts provided in the reverse motor connection path. The normally open and closed contacts of each relay are associated in pairs and the first relays are structured such that each normally closed contact and the corresponding normally open contact cannot be simultaneously closed. Also, a method of protecting a motor of a switch machine that includes integrating a current being drawn by the motor and opening a motor circuit that includes the motor if the integrated current exceeds a threshold.

A railroad switching indicator apparatus for use with a point detector bar, and a point locking rod which cooperatively locks with a locking bar. First and second point detector bar receptors generate first and second signals indicating the first and second terminal movements of the point detector bar. At the same time, a point lock rod receptor generates another signal indicating the locking of the locking bar with the point locking rod.

The invention provides a symmetric turnout for line rails No.4 and No.5 in urban rail traffic engineering. The turnout is arranged on a parking line rail of an underground line in an urban rail engineering, the structure of the symmetric turnout comprises a group of railroad switches, a group of frogs and a connecting steel rail, wherein the railroad switches are connected with the frogs by virtue of the connecting steel rail so as to form a symmetric turnout provided with two side rails. The symmetric turnout provided by the invention has the beneficial effects that the turnout ensures a subway and a light rail vehicle to travel safely between a main line and a parking line, related technical standards and safety requirements of the urban rail engineering are met, and the advantages of safety, reliability and convenience in manufacturing, paving, construction and maintenance are realized. By applying the symmetric turnout provided by the invention, turnout investment can be saved, and length of an auxiliary line can be obviously shortened, thus investment of a building project is greatly saved, construction difficulty is reduced, and project risk is reduced.

The invention provides a segmented railroad switch, comprising an active beam and at least one inactive beam, while each beam is mounted with F track, and each beam is connected with each other via connectors, the nearby beams are arranged with a joint plate as transition and connected with nearby beams via connectors. The invention is characterized in that the joint plate is arc shaped comprising two joint plate F tracks, and the connectors connecting the F tracks, the end of the F track is arc shaped, while the end of the F track of each nearby beam is arc shaped. In straight state, the arc end of the F track of the joint plate and the arc end of the F track of the beam form two concentric arcs. The invention can effectively reduce the impact generated by hydraulic brake and bias moved beam, to stably move wheels.

The invention relates to the field of railroad engineering equipment, and particularly relates to automatic online detecting equipment and method for railroad switch manufacturing process. The equipment comprises a rack, a contour measuring module, a range measuring module, an intelligent blowing sweeping module, a data transmission and saving module and a data processing module; the contour measuring module and the intelligent blowing sweeping module are arranged on the rack. The detecting equipment and the method have the advantages that the equipment and the method can adapt to the numerical control processing of railroad members of different rail types and range base lines, the automatic detecting of the numerical milling processing contour geometry dimensions is achieved to improve the measuring accuracy, reduce the labor intensity of workers and improve the production efficiency, the processing feed of the railroad members can be computed and optimized to guide the optimization and improvement of a cutter, the processing quality of a product is ensured, interaction with an enterprise information system is conveniently formed to achieve real-time transmission and storage of detected data, and product information retracing is convenient.

The invention relates to the technical field of railway traffic equipment, in particular to a buried integrated battery solution railroad switch. The buried integrated battery solution railroad switchcomprises a shell, a turnout assembly, an EHA driving assembly, a transmission locking assembly and an expression junction group; the turnout assembly comprises a monorail turnout, an integrated turnout and a fork-rail turnout, wherein the monorail turnout is fixedly arranged at one side of the top of the shell, the integrated turnout is arranged on the top of the shell, and the fork-tail turnoutis fixedly arranged at the other side of the top of the shell; an output end of the EHA driving assembly is in transmission connection with an input end of the transmission locking assembly; an output end of the transmission locking assembly is in transmission connection with the integrated turnout and the expression junction group respectively; the EHA driving assembly drives the transmission locking assembly to execute the horizontal movement of the integrated turnout and complete the switch movement. The buried integrated battery solution railroad switch has the advantages that the buriedintegrated battery solution railroad switch can be buried underground and can share roads with pedestrians and other vehicles crosswise when being used in an urban railway system, thereby not obstructing the passing of the pedestrians and vehicles; the vehicles are more stable and reliable during turning, and the comfort of taking the vehicles is improved.

A way for replacing the failed bolts and weighing anchors for switch ties of railroad switches for increasing speed of railways is provided. The invention employs the operation principle of melting plastic by thermal energy, and completes the replacing by such procedures as burning red the four spline shafts, fusing and pressing bolt sleeves, rotating out the bolt sleeves, etc. The invention has the advantages of the saved labor source, the easy operation, the short operation time, the compact operation tools, etc., and is applicable for the weighing anchors of other switch ties of the same type.

The invention provides a control method under an automatic drive mode of a tramcar. According to the control method, a GPS / BD (Global Positioning System / Backward Diode) dual-module positioning system and an RFID (Radio Frequency Identification ) tag / responder host machine are adopted for operating cooperatively, when the RFID tag / responder host machine and the GPS / BD dual-module positioning system operate normally or the GPS / BD dual-module positioning system is invalid, data read by the RFID tag / responder host machine is taken as control data; when the RFID tag / responder host machine is invalid, data of the GPS / BD dual-module positioning system is taken as control data; the control data are used for controlling a railroad switch and traffic lights. According to the method, two positioning methods are adopted, so that the safety and reliability of system control under the automatic drive mode are ensured.

The invention discloses a front-end movable type toothed rail turnout switch mechanism. It is ensured that rails are linearly continuous before and after the switch, and a toothed train can pass through a turnout smoothly and quickly. The front-end movable type toothed rail turnout switch mechanism comprises a movable rail which is located among a first front basic rail, a second front basic railand a rear basic rail. The movable rail is provided with a sliding bed, steel ties are arranged on the surface of the sliding bed at intervals in the longitudinal direction, an arc-shaped guiding groove is formed in the front portion of the sliding bed, an arc-shaped sliding plate is arranged in the arc-shaped guiding groove, and a railroad switch which acts on the arc-shaped sliding plate is arranged on one side of the sliding bed. A pair of steel ties for forming the movable rail and toothed rails located between the steel ties is fixedly connected with the arc-shaped sliding plate and the steel ties, the steel ties used for fixing the steel rail and the rear ends of the toothed rails are fixedly connected with the sliding bed.

A point rail is shiftable transversely on an upper face of a rail base plate between an engaged position bearing on a longitudinally extending and fixed stock rail and a disengaged position spaced transversely of the stock rail. A roller assembly has a mounting plate securable to the rail base plate, a roller support pivotal about a support axis on the rail base plate, a roller carried on the roller support, and a spring biasing the roller upward with a predetermined spring force into a lift position with the roller projecting upward past the upper face for supporting the point rail on the roller. Thus this assembly supports the point rail and, in the engaged position, presses it against the support cleats and the stock rail and it is an integral part of one of the rail base plates.