46 results about "Track gauge" patented technology

This invention discloses a wheel gauge adjustment device and a rail grinding trolley, specifically relating to the technical field of rail grinding equipment. The wheel gauge adjustment mechanism includes two independent pneumatic actuators, two telescopic displacement detection mechanisms, and an air source assembly. The two pneumatic actuators are respectively connected to two wheel assemblies, enabling independent driving of the wheels along the track width direction. The air source assembly provides power to the pneumatic actuators. The telescopic displacement detection mechanisms detect the wheel telescopic displacement in real time. The gauge detection mechanism is equipped with left and right displacement sensors, which respectively detect the distance between the left and right tracks and the corresponding sensors in real time. The controller calculates the real-time track gauge and wheel alignment deviation, controlling the two pneumatic actuators to operate synchronously or differentially, achieving automatic wheel alignment relative to the track centerline. This invention enables flexible gauge adjustment, ensuring stable wheel-axle gauge and precise alignment of the trolley and rail during operation, providing reliable structural support for efficient and high-quality rail grinding operations.

The embodiment of the application provides a subway track gauge vehicle for rapid measurement in a complex environment, which comprises a track trolley, a support, a left first width indicating rod, a right first width indicating rod and a top width indicating rod, the track trolley comprises a trolley body and a trolley wheel, and the track trolley can walk along a track of a to-be-detected section; the support is detachably installed above the trolley body; the left first width indicating rod is detachably fixedly connected with the support, and the left first width indicating rod is arranged on the left side of the advancing direction of the track trolley in the direction of the height of the track trolley; the right first width indicating rod is detachably fixedly connected with the support, and the right first width indicating rod is arranged on the right side of the advancing direction of the track trolley in the direction of the height of the track trolley; and the top width indicating rod is arranged in the width direction of the track trolley, and the top width indicating rod is detachably fixedly connected with the support. The subway track gauge vehicle for rapid measurement in a complex environment provided by the embodiment can quickly and conveniently detect whether there is an intrusion problem of a subway track along-line equipment.

The present application relates to a kind of rail abnormal condition identification system and method based on multi-source information fusion, comprising: the broadband vibration signal generated by the interaction of wheel and rail in train operation as passive excitation source;Through the multimode signal acquisition module installed on train body, acoustic wave or ultrasonic guided wave signal, track gauge data and train movement and braking state are synchronously collected;Signal processing and logic judgment module carries out the feature extraction and certainty threshold logic judgment based on physical mechanism to the multi-source heterogeneous data collected, and parallelly executes the fusion diagnosis of derailment risk, car abnormality and rail crack;When determining abnormal, result output module outputs the alarm information containing abnormal type and centimeter level mileage coordinate.The present application realizes the all-round monitoring of rail internal crack, external deformation and locomotive operating state, does not need external excitation source, response speed is fast, positioning is accurate, effectively improves the safety and operation efficiency of railway operation.

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 application discloses a track gauge adaptive engineering machinery chassis system, engineering machinery and a chassis system control method, and belongs to the technical field of railway engineering machinery. The chassis system comprises a frame, a rail walking module, a distance detection module and a controller. The rail walking module comprises two side guide wheels, and the two side guide wheels realize wheel-to-wheel distance adjustment through a bidirectional synchronous telescopic mechanism. The distance detection module comprises a first laser range finder and a second laser range finder, which respectively collect wheel-to-rail distance and wheel-to-wheel distance. The controller is configured to perform two-stage adjustment, i.e., on-track state confirmation according to the wheel-to-rail distance and off-track state confirmation according to the wheel-to-wheel distance. The two side guide wheels are rigidly and synchronously moved through the bidirectional synchronous telescopic mechanism, and the two laser ranging closed-loop control is matched, so that continuous adaptive adjustment of various track gauges is realized, presetting of a fixed mode or manual input of a target value is not needed, and the working continuity and the intelligent level of a multi-track-gauge railway scene are remarkably improved.

The utility model provides a kind of track inertial navigation measurement system, including track detection car, two wireless digital display displacement meters are symmetrically arranged and are installed in the downside of track detection car horizontal axis by connecting seat, and the mobile measuring end of one wireless digital display displacement meter is slidably connected to the downside of track detection car by sliding piece, the bottom of sliding piece is connected with first rolling piece, and the mobile measuring end of another wireless digital display displacement meter is connected with second rolling piece, and first rolling piece and second rolling piece are respectively rollingly connected to the inside standard track gauge of left and right tracks, and automatic leveling base is connected to the upper side of middle part of track detection car by fixing part and is built-in with multi-axis sensor.The utility model can directly measure track gauge value by two wireless digital display displacement meters, three-dimensional coordinate measurement component can obtain the three-dimensional coordinates of the center of automatic leveling base, then according to the azimuth angle, inclination and track gauge value measured by multi-axis sensor, the three-dimensional coordinate values of left and right tracks are calculated, so that the space attitude of track can be quickly measured for the initial adjustment of track.

The utility model discloses a railway crossing curve track gauge adjusting device relates to railway engineering technical field, it includes the screw rod of transverse between concrete integral ballast bed and steel rail, one end of screw rod is equipped with the pad iron, and the other end inserts and is equipped in the iron block, and the screw rod is equipped with flat washer, spring washer and nut assembly between the iron block and the pad iron. Compared with prior art, the utility model provides a railway crossing curve track gauge adjusting device that can maintain track gauge stability for a long time and reduce maintenance cost.

This invention discloses a calibration device and method for a non-common-line structured light sensor of track gauge inspection equipment based on dual-mirror reflection. The calibration device includes a first camera and a second camera to be calibrated, as well as a first target, a first plane mirror, a second plane mirror, a second target, and a third target. The calibration method includes calibrating the extrinsic parameters between the first and second virtual cameras; calibrating the extrinsic parameters between the first and second virtual cameras, and / or the extrinsic parameters between the second virtual camera and the first camera; establishing a conversion relationship between the extrinsic parameters of the first and second cameras, and converting to obtain the extrinsic parameters between the first and second cameras. This invention addresses the problem that existing technologies cannot meet the requirements of rapid and accurate calibration and long-term stable operation in the engineering application of track gauge inspection equipment, achieving the goal of rapid and accurate calibration of track gauge inspection equipment.

1. The name of the design product: railway track measuring instrument. 2. The use of the design product: for measuring the geometric parameters of the track, including track gauge, superelevation, level, track alignment, high-low, twist (triangular pit), track gauge change rate, etc. track size, shape geometric parameters. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present application relates to the technical field of strength detection equipment, and more particularly to a rail gauge baffle compression strength detection device. The stabilizing assembly includes mounting racks arranged on two racks respectively, and the upper and lower pressing plates are slid between the two mounting racks, and the mounting racks are provided with driving assemblies for driving the upper and lower pressing plates respectively; the limiting assembly includes a contact frame arranged between the two mounting racks, the contact frame has symmetrically arranged protruding ends, and the clamping frame is symmetrically slid on the lower pressing plate. By inclining the lower roller frame and the upper roller frame, continuous testing of multiple rail gauge baffles in one operation is realized, thereby greatly improving the testing efficiency. In addition, through the coordinated operation of the stabilizing assembly and the limiting assembly, the upper and lower pressing plates work together to ensure the stable position of the rail baffle body during the detection process, reduce manual intervention, and improve the stability and accuracy of the testing process, thereby supporting the continuity of multiple workpiece processing and further improving the production efficiency.

The present application relates to the technical field of rail transit engineering, and especially relates to a kind of adjustment and maintenance method of anti-derailment guard rail, guard rail support and sleeve shoe elastic pad block are designed as eccentric structure, the sleeve shoe elastic pad block is sleeved on the guard rail support, the guard rail is arranged above the sleeve shoe elastic pad block, the guard rail support and the sleeve shoe elastic pad block have installation surface with different thicknesses in front and back;By selecting and combining the different installation surfaces of guard rail support and sleeve shoe elastic pad block, the width of flange groove is adjusted according to design requirements when installing guard rail.The present application has the advantages that: it can effectively deal with the problems of wheel rail lateral force of train wheel during operation, rail wear, track gauge expansion, component wear and replacement, corrosion and the like, ensures the reliable anti-derailment function of guard rail, and fills the design blank of such fine adjustment and quick maintenance type anti-derailment guard rail.

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.

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.

This invention relates to an electrically controlled cascading device for rail-mounted instruments, used to connect adjacent onboard components. It includes a control unit, an onboard telescopic unit, a connecting rod, and a cascading component with double-row pins. The onboard telescopic unit is mounted on the onboard component, and the connecting rod is disposed within the onboard telescopic unit and connected to both the onboard telescopic unit and the cascading component. The double-row pins are inserted into the onboard component, and the control unit is communicatively connected to the onboard telescopic unit. The control unit controls the start and stop of the onboard telescopic unit to complete the fixing and disassembly of the cascading component. By driving the onboard telescopic unit in conjunction with the connecting rod, the control unit drives the cascading component with double-row pins to move, achieving the electrical connection and disconnection of adjacent onboard components. This eliminates the need for manual wiring and mechanical locking, enabling electrical connection and mechanical cascading fixation of multiple onboard components. Installation and disassembly are highly efficient and convenient, achieving automated, standardized, and convenient assembly and maintenance of rail-mounted instrument panel cascading.

The utility model discloses an assembly type steel structure column beam node structure, it includes: stand, crossbeam, first support, second support, every section steel structure column is formed by four stands, every section steel structure column is equipped with four crossbeam, the surface fixedly connected with first support of stand, the surface fixedly connected with second support of stand, both ends of crossbeam are equipped with assembly slot mouth, and crossbeam is connected with first support through assembly slot mouth, and both ends of crossbeam are fixedly connected with inclined bracing plate, and the other end of inclined bracing plate is fixedly connected with second support. Through the contact surface of support and main part adopt the occlusion structure of vertical tooth and cooperate the design of long screw hole, make its every crossbeam guarantee its firm when in the process of assembly still possess certain adjustable space, its purpose is better adaptation elevator main vice track's track gauge when guide rail support adjustment angle reaches the limit, this structure can also provide the adjustment of overall distance to make the school guide rail more flexible convenient, improve the convenience of elevator installation.

The utility model discloses a kind of anchoring bolt type fasteners for small radius curve, including gauge baffle, anchoring bolt type spike, elastic strip, insulating gauge block and rail pad;At least two spike holes are equipped on gauge baffle, anchoring bolt type spike is fixed in bearing surface by passing through spike hole and fixing gauge baffle;Anchoring bolt type spike is in turn outer thread section, light axle section, umbrella cap portion and square shaft section from bottom to top;The upside and downside of rail pad are all divided into multiple rectangular areas arranged in array, rectangular area is divided into large rectangular area and small rectangular area, large rectangular area and small rectangular area in same row and / or same column are alternately arranged;Large rectangular area is rectangular groove, and small rectangular area is rectangular projection.The utility model is simple in structure, and it is convenient to install, dismount and replace, guarantee the stability of line track geometry state and prolong the service life of sleeper and fastener, practically reduce small radius curve maintenance and repair workload.

The application relates to a railway track insulation track gauge rod, one end of a first insulation rod and a second insulation rod is provided with a clamping frame, the inside of the clamping frame is provided with a positioning plate, a rotating rod is arranged on one side of the clamping frame, anti-skid stripes are arranged on one side of the positioning plate, an adjusting rod is arranged at the position, close to the second insulation rod, of one end of the first insulation rod, the second insulation rod is arranged outside the adjusting rod, a mounting sleeve is further sleeved outside the adjusting rod, and a stabilizing rod is arranged through the lower surface of the mounting sleeve. One end of the adjusting rod is embedded in the inside of the first insulation rod and locked through a first bolt, meanwhile, the second insulation rod is screwed outside the adjusting rod, thereby the distance between the first insulation rod and the second insulation rod can be adjusted, so that the track with different distances can be used, and the practicability is good.

A data processing system 10 receives an input set of rail vehicle characteristics, e.g. train weight, gauge and wheel profile received from data storage 16 or Driver Machine Input 18. It also receives

This utility model discloses a maintenance device, including a vehicle body. A track gauge measuring sensor and an over-height measuring sensor are fixedly installed on the top of the vehicle body. A shaft cylinder is vertically fixedly installed at the center of the top of the vehicle body. A shaft cavity is opened at the top of the shaft cylinder. Several circular holes are opened through the shaft cavity on both opposite outer walls of the shaft cylinder. The circular holes are of the same size and evenly distributed. A shaft rod is slidably installed in the shaft cavity. Both circular shafts can penetrate and extend out of the outer wall of the shaft cylinder, thereby locking the shaft rod and fixing the relative installation height between the shaft rod and the shaft cylinder. This makes it more comfortable for workers of different heights and arm spans to use this track inspection trolley. Only a small part of the outer spherical wall of the rotating block is exposed and connected to an L-shaped curved rod, which allows the L-shaped curved rod to be adjusted at multiple angles within a certain range. This makes it convenient for the track inspection trolley to move on curved tracks without the need for the worker to tilt their body, thus ensuring that the track inspection trolley can be pushed.

The utility model relates to the field of rail transit engineering technology, concretely relates to a small resistance fastener system for urban rail transit, including iron fender, insulating track gauge block, T type bolt, small resistance elastic strip and composite fender, the insulating track gauge block sets up the both sides at the steel rail, the composite fender sets up below the steel rail, the small resistance elastic strip is fixed on the iron fender through the nut and is compacted the insulating track gauge block by T type bolt, the composite fender includes rubber plate body and high molecular resistance reduction layer, the high molecular resistance reduction layer sets up the upper surface of rubber plate body and both constitute an integrity. The utility model has the advantages of: realizing fender on the basis of guaranteeing structural strength, possessing excellent small resistance performance, effectively buffering train impact, reducing track fastener system stress, prolonging track maintenance cycle.

The application provides a rail rolling contact fatigue crack array detection probe based on alternating electromagnetic field, which comprises a rail, a detection probe, a shock absorber, a probe clamp and a fixing device. The detection probe comprises a special-shaped excitation module, an array sensor group and an amplification circuit. The special-shaped excitation module is adaptively designed according to the geometric shape of the rail to generate an induced current perpendicular to the crack, and the induced current has high strength and high uniformity. The array sensor group is designed in an arc shape according to the shape of the rail to completely cover the gauge angle. The shell of the detection probe is designed in a profiled shape for the rail to completely match the surface profile of the rail. The shock absorber is used to ensure that the distance between the detection probe and the surface of the rail is constant to prevent damage to the detection probe. The rail rolling contact fatigue crack array detection probe provided by the application has simple detection method, can completely cover the gauge angle in single detection, has high detection efficiency and detection precision, and can further realize surface profile imaging of rail defects.

The utility model discloses a double -way spike fixed track gauge baffle for high -speed rail fastener, the bottom of track gauge baffle is plane bottom plate, the downside of plane bottom plate is pasted with the upper surface of the sleeper, and the upside of plane bottom plate is divided into the left part's elastic strip installation area and right part's way spike installation area, two way spike holes are equipped with in the way spike installation area and are arranged front and back, the installation platform that is upwards protruding is equipped with in the elastic strip installation area, the left side middle part of installation platform is equipped with T type bolt mounting hole, and the right side of installation platform is equipped with elastic strip landing recess. The utility model discloses track gauge baffle over optimization structure layout and stress distribution, can effectively improve the resistance to transverse displacement ability, reduce the way spike loosening, prolong the life, have the remarkable advantage in high -speed railway, improve track stability, reduce the risk of track gauge expansion, reduce the maintenance cost, prolong the fastener system life, be applicable to a variety of scenes, especially big transverse force section.

This utility model discloses a railway fastening system, including several equally spaced parallel fastening devices for fixing the rails in the turnout area to the track bed. Each fastening device includes: a sub-plate, a steel plate, and a gauge adjustment device. The sub-plate is rectangular and placed on the track bed, with the bottom surface of the steel plate fitting against the top surface. An elongated hole is formed in the middle of the steel plate, parallel to its long side. The length direction of the sub-plate and the steel plate is perpendicular to the straight rail, and through holes are provided on their two wide sides for fixing to the track bed with track bed bolts. The gauge adjustment device has a limiting part and bolt holes, and the bolt holes and the corresponding positioning bolts screw the gauge adjustment device onto the steel plate. This fastening system is applicable to both turnout sections and curved sections, especially turnout sections, and is not limited by the number or size of the rails to be laid, thus having a wide range of applications.

This utility model relates to a shoulderless rail fastening system for resisting lateral loads, comprising: T-bolts that use elastic clips to fix the rail with pre-tightening force; an insulated gauge block that interlocks with the rail; anchor bolts, in conjunction with heavy-duty spring washers, passing through an iron pad plate and securely connected to a pre-embedded sleeve; and an adjusting block installed at the position of the anchor bolts for lateral adjustment. The adjusting block is pressed onto the iron pad plate through an elongated hole, with the lower structure of the adjusting block fitting into the elongated hole of the iron pad plate. The thickness of the lower structure of the adjusting block is less than the thickness of the iron pad plate, and the bottom surface of the adjusting block does not contact the surface below. The adjusting block only presses against the iron pad plate vertically and only transfers the load to the anchor bolts laterally. The elastic pad plate has alternating grooves on its upper and lower surfaces, and the bottom of the iron pad plate has a groove. This utility model improves the fastener's resistance to lateral loads, increases its torsional stiffness, increases its lateral adjustment capability, increases the natural frequency of the elastic clip, reduces the lateral dimensions of the fastener, and reduces the space occupied by the rail.

This utility model discloses a railway track fastening device, including a sleeper, a rail, a fastening body, a B-type elastic clip, and a spiral spike. The sleeper has an inner groove at its upper end, and the fastening body is fixedly installed in the inner groove. The rail and the fastening body are fixed to the sleeper by a fixing part. The fastening body consists of an iron pad, a lower pad, an iron pad, and a rail pad arranged sequentially from bottom to top. The upper sides of the iron pad have protrusions, and the upper ends of the protrusions have inner grooves. The B-type elastic clip is fixed by the spiral spike, and one end of the B-type elastic clip abuts against the inner groove. The iron pad has a protrusion on one side inside the protrusion, and the rail pad is engaged between the protrusions. This utility model can effectively solve the problem of dimensional instability caused by moisture absorption in the prior art, and improve the gauge accuracy and track safety.