142 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.

This invention discloses a steel-concrete composite sleeper for ballastless track, belonging to the field of ballastless track technology. The steel-concrete composite sleeper includes multiple adjusting pipes and two spaced-apart sleeper units. Each sleeper unit includes multiple steel pipes and sleeper blocks. For any given sleeper unit, the multiple adjusting pipes and multiple steel pipes correspond one-to-one. One end of each steel pipe is inserted into a sleeper block, and each steel pipe is filled with concrete filler. Each sleeper block and the corresponding concrete filler are integrally cast with concrete. The other ends of two opposing steel pipes are movably and coaxially inserted into the two ends of the corresponding adjusting pipes to adjust the spacing between the two sleeper blocks. This invention provides a steel-concrete composite sleeper for ballastless track, which not only allows for the pre-casting of sleeper units, improving the overall construction efficiency of ballastless track, but also allows for adjustment of the track gauge between the two rails, ensuring the gauge meets on-site installation requirements.

A track gauge recognition method and device based on millimeter wave radar point cloud, the method comprising: acquiring millimeter wave radar point cloud collected by a millimeter wave radar at a front end of a railway vehicle, wherein the millimeter wave radar point cloud comprises a plurality of first point cloud points; extracting a plurality of second point cloud points located in a preset position interval from the plurality of first point cloud points; extracting a plurality of third point cloud points within a preset speed range from the plurality of second point cloud points; clustering the plurality of third point cloud points according to the distribution of the plurality of third point cloud points to obtain a plurality of skeleton points corresponding to a track center position; determining the direction of the skeleton points according to the positions of the third point cloud points within a preset range around the skeleton points; determining track gauge boundary points located on both sides of each skeleton point according to the position and direction of each skeleton point and the track width; and determining the track gauge according to the plurality of track gauge boundary points. The present application can accurately recognize the track gauge based on millimeter wave radar point cloud, and can overcome the influence of complex weather and light interference.

The application discloses a high-speed railway full-process digitalized screen cleaning construction method, and particularly relates to the technical field of high-speed railway digitalized construction, which comprises the following steps: S1, determining line design data and rechecking; S2, measuring the line and placing piles, cooperating with the screen cleaning work to operate according to the quality control standard, measuring the track surface elevation of the line after screen cleaning by means of an auxiliary measurement system combined with a distance measurement module, thereby controlling the elevation of the screen cleaning section in real time; S3, daily construction operation process; S4, performing preliminary tamping operation; S5, performing rough tamping operation; S6, performing fine tamping operation; S7, performing fine tamping operation again, after the completion of the second track gauge fine adjustment, performing tamping operation again by means of the fine tamping scheme prepared by using the inertial navigation operation fine measurement data, and performing stable tamping operation, and whether to perform reinforcing tamping is determined according to the TQI and fine measurement data and the like; S8, performing quality rechecking and analysis, and performing appearance arrangement and acceptance, and then performing project completion.

This invention discloses a four-track, three-line method for muck removal and transportation in variable cross-section tunnel anchors. For tunnel anchors with steep axial inclination angles, four shared tracks are used to form three lines: one is a large-gauge integrated equipment and material transport line, and two are small-gauge circulating muck removal lines. First, the integrated equipment and material transport line, driven by a power mechanism, pulls a transport platform to transport the relevant equipment and materials for excavation at the tunnel face. Near the tunnel face, the excavation equipment is unloaded for excavation. The excavated muck is then circulated and removed using the dual-circulation muck removal lines, driven by a power mechanism and circulated by mine cars. This allows excavation and muck removal to be carried out simultaneously, significantly improving muck removal efficiency. After excavation, the transport platform returns to the outside of the tunnel anchor to load support materials before returning to the tunnel face. The entire transportation process involves fewer transfer steps, improving construction efficiency and reducing environmental pollution. The transport platform and mine cars are driven by power mechanisms and run along the tracks, resulting in a higher safety factor.

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 utility model discloses a track gauge block detacher for a railway track, which relates to the field of track traffic, and comprises a sleeper, a track gauge block, a steel rail and a stress application rod, the lower end of the stress application rod is detachably connected with a buckle iron sheet device, the buckle iron sheet device is rotatably connected with an eagle beak bayonet device through a positioning bolt, and the stress application rod is slidably connected with a sliding sleeve device. According to the gauge block dismounting device, gauge blocks of different specifications can be dismounted on the premise that the eagle beak bayonet device is not replaced, the gauge block dismounting device is very convenient to use, in addition, the sliding sleeve device is matched with the pull rod device, and the dismounting efficiency is improved. Stable buffering force is applied to the eagle beak bayonet device to keep a proper posture, the eagle beak bayonet device is prevented from being stuck, the sliding sleeve device is moved up and down, and the opening and closing degree of the eagle beak bayonet device is adjusted through the pull rod device, so that a worker does not need to bend down to adjust with hands, the labor intensity of the worker is reduced, and the track maintenance efficiency is greatly improved.

1. Name of this design product: Parking anti-rollover device track gauge and height baffle. 2. Purpose of this design: It is used as a track gauge and track height baffle for parking anti-rollover devices to maintain track gauge and enhance stability. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a cold block ladder type contact network detection device, which relates to the technical field of railway tracks and comprises a supporting seat, two groups of sliding rods are connected to the inner wall of the supporting seat in a sliding manner, a fixing plate is fixed at one end of each sliding rod, a supporting plate is fixed at the top of the fixing plate, a detection assembly is arranged at the top of the supporting plate, and the detection assembly is arranged at the bottom of the supporting plate. An adjusting assembly used for adjusting the detection position is arranged in the supporting seat. The beneficial effects of the utility model are that the detection assembly is used for recording detection data, detecting temperature distribution of the overhead line system and measuring geometric parameters of the overhead line system, the detection effect is improved, the adjusting assembly drives the bidirectional screw rod to rotate through the driving motor, so that the sliding rod moves horizontally, the detection position can be flexibly adjusted according to different track gauges, various line detection requirements are met, and the detection efficiency is improved. The transmission part drives the driving gear to be engaged with the tooth column through the second motor, height adjustment of the detection assembly is achieved, and contact networks of different heights can be detected.

The present application belongs to the technical field of traffic track detection, and particularly relates to a locomotive external track geometric position detection device and a detection method. The method comprises the following steps: real-time acquisition of the lateral acceleration and vertical acceleration of the vehicle and comparison with the corresponding preset threshold values, respectively, when any acceleration exceeds the threshold value, determination of excessive vibration interference; when the vibration interference is excessive, acquisition of the geometric appearance of the track, the distance information of the track relative to the vehicle, the position information of the vehicle and the motion state of the vehicle; based on the geometric appearance of the track, the distance information of the track relative to the vehicle, the position information of the vehicle and the motion state of the vehicle, real-time track gauge calculation, track horizontal calculation, track height calculation and triangular pit calculation of the vehicle are carried out to obtain the dynamic geometric position parameters of the track. The method realizes on-demand detection, avoids data redundancy, improves detection pertinence and resource utilization, and is suitable for accurate identification and normal operation and maintenance of track disease sections.

The utility model provides an integrated standard device group for calibrating a wheel tread profile tester, which comprises a cylindrical disc-shaped hub reference piece and a plurality of tread sample pieces, and the circular side surface of the hub reference piece is divided into a plurality of calibration areas corresponding to the tread sample pieces along the circumferential direction; the cylindrical surface of the hub reference part is divided into a plurality of matching curved surfaces corresponding to the calibration area; the inner ring surfaces of the tread sample pieces are detachably connected and attached to the matching curved surfaces, and the end faces of the adjacent tread sample pieces are attached to each other. According to the integrated etalon set for calibrating the wheel tread profile tester, the hub reference part is partitioned and closely matched with the corresponding tread sample part, multi-parameter synchronous calibration is achieved, replacement time is shortened, assembly errors are eliminated, and the integrated etalon set is adaptive to different gauge detection devices; according to the integrated structure, the tread sample piece can be conveniently and rapidly replaced when damaged or other sizes or models are needed.

The utility model discloses a distance-adjustable railway gauge pull rod which comprises a storage shell, the storage shell is connected with a storage piece, the storage piece comprises an adjusting piece installed on the storage shell, the adjusting piece comprises a two-way screw rotationally connected along the X axis, a worm and gear assembly is installed in the middle of the two-way screw, and the worm and gear assembly is connected with the storage shell. The middle end of the top of the storage shell is rotationally connected with a hand wheel used for driving the worm and gear assembly. According to the distance-adjustable railway gauge pull rod, the two-way screw rod, the worm and gear assembly, the hand wheel, the positioning pin, the sliding rod, the two sets of moving blocks, the indicating block and tempered glass are matched with one another, the distance between multiple sets of insulating pull rods can be conveniently adjusted, meanwhile, the adjusting distance can be conveniently read out in time, after adjustment is completed, the adjusting end can be conveniently locked in time, and then the adjusting precision is improved; and the adjusting end is prevented from being loosened to influence the railway gauge adjustment.

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.

The application belongs to the technical field of railway track equipment, and specifically relates to an intelligent track gauge automatic adjusting device, which comprises a track gauge adjusting vehicle, a track gauge measuring device and a track gauge adjuster. The track gauge adjuster comprises two V-shaped clamps and a transverse oil cylinder arranged between the two V-shaped clamps and used for providing power for the transverse movement of the steel rail. Two support devices for supporting the ends of the track sleeper are arranged on the frame of the track gauge adjusting vehicle. The support device comprises two front and rear symmetrical rotary ditching assemblies and an abutting assembly arranged at the middle position of the side of the two ditching assemblies facing the track sleeper. The ditching assembly is arranged on the frame in a lifting manner. The abutting assembly is used for moving from top to bottom to the range of the end surface of the track sleeper, and the two ditching assemblies are distributed in a triangular shape with the tip pointing downward. The application provides support for adjusting the track gauge by abutting against the end surface of the track sleeper, prevents the deformation of the steel rail caused by the counterforce, and solves the technical problem that the existing technology provides support for the steel rail and easily causes the deformation of the steel rail.

The utility model belongs to the technical field of rail transit, and particularly relates to a vibration reduction fastener suitable for an assembly type structure, which comprises an iron base plate, an under-rail elastic cushion, an under-plate elastic cushion, a locking upright post, a nylon bushing, a locking cover plate, a spike and an elastic strip, and the locking upright post is vertically arranged in through holes in the iron base plate and the under-plate elastic cushion; the lower end face of the locking stand column is pressed on the track foundation, and the upper end face is combined with the locking cover plate. The nylon bushing is sleeved on the periphery of the locking upright post; a through hole is formed in the locking cover plate, a long round hole is formed in the locking stand column, the spike vertically penetrates through the through hole in the locking cover plate and the long round hole to fix the damping fastener to a supporting stand column of a ballastless track structure, the locking cover plate can move relative to the locking stand column, and then the relative position of the spike in the long round hole is adjusted. And the gauge adjustment is realized. The vibration reduction fastener has the advantages of being small in number of components, small in total weight, low in manufacturing cost, good in vibration reduction effect and convenient to use.

The present application provides a track detector, which comprises a main beam assembly; the main beam assembly comprises a main beam piece, a first track surface running wheel and a first track gauge measuring wheel arranged on the left end of the main beam piece, and a left and right sliding unit arranged on the right end of the main beam piece and capable of sliding transversely along the main beam piece. When the track is in an arc state, the left and right sliding unit slides left and right relative to the main beam assembly, so that the first track gauge measuring wheel and the second track gauge measuring wheel can respectively contact the inner wall surface of the left and right tracks. Thus, the present application can obtain the real track gauge through one track gauge sensor. In addition, the side beam assembly can vertically float up and down relative to the main beam assembly, so that the first track surface running wheel and the second track surface running wheel can respectively contact the track surface of the left and right tracks. Thus, the present application can obtain the real super-elevation value and the horizontal value through one horizontal sensor, so that the number of sensors used by the track detector is small, and the system is simple and the measurement is accurate.

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 an automatic fine-tuning track inspection trolley for track precision measurement, which comprises a track measurement trolley and automatic fine-tuning mechanisms arranged on two sides of the track measurement trolley, an industrial computer arranged on a computer tray of the track measurement trolley is loaded with upper computer software, and the industrial computer remotely controls an automatic total station in a wireless communication mode. Locking and tracking the precise measurement prism, dynamically and continuously measuring coordinates of the precise measurement prism, reading data of an inclination sensor and a track gauge sensor of the track measurement trolley, and synchronously calculating plane and elevation deviation values of the left track and the right track at the current mileage position; meanwhile, the deviation value and the deviation direction are sent to automatic fine adjustment mechanisms installed on the two sides of the track measuring trolley, the automatic fine adjustment mechanisms control motors to rotate sleeves to screw fine adjustment screws according to the deviation value and the deviation direction, and the plane and the elevation of the track are adjusted to the designed positions; the horizontal and elevation deviations of the left and right tracks are precisely measured, adjustment is synchronously and automatically completed, and the track fine adjustment efficiency is greatly improved.

The present application relates to the technical field of calibrators, in particular to a railway track gauge calibrator; comprising a base system, a guide rail and a track gauge system; the guide rail is arranged on the upper end of the base system; the upper end surface of the guide rail is also provided with two symmetrical V-shaped guide blocks through bolts respectively; the present application converts the traditional "line / point contact" into stable surface contact, on the one hand, greatly increases the contact area of the inclination pad and the supporting block, avoids the small displacement or inclination of the pad when the movable measuring block moves; on the other hand, when the shaft rotates at any angle, the supporting block can also rotate at the same angle, the surface contact state is continuous and effective, which fundamentally eliminates the super-high value fluctuation caused by unstable contact mode, and significantly improves the precision and stability of super-high measurement.

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 invention relates to the technical field of rail traffic, and aims to solve the problems that an existing fully-wrapped steel rail track structure is difficult to adjust geometric shapes and positions such as track gauge and track direction in the operation process, is difficult to maintain, can only be maintained in a track changing mode, spans a skylight in maintenance time, and is low in efficiency and high in cost. The invention provides a groove type track structure with separated functions and a construction method and a maintenance method thereof. According to the groove type track structure, the blocking table is detachable, the position is easy to adjust, therefore, the positions of the steel rail mounting groove and the steel rail can be adjusted, and the track gauge and the track direction can be adjusted; through cooperation of the adjusting block and the blocking table, design of the matching hole in the adjusting block and matching connection of the matching hole and the fixing hole through the fastener, accurate adjustment of the track gauge and the track direction can be achieved, the adjusting block matched with the adjustment amount can be replaced, then the blocking table is moved, the matching hole of the replaced adjusting block is aligned with the unit plate fixing hole, and the fastener is reinstalled. The invention has the advantages of simple maintenance, short maintenance time, high efficiency and low cost.

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.

The invention provides a compound intersection turnout linetype optimization method, and belongs to the technical field of rails, and the method comprises the steps: determining the main size of a turnout; selecting a turnout guide curve radius, and widening a turnout gauge; based on turnout tie spacing arrangement and structural requirements, the theoretical distance between the point of a turnout switch rail and the point of an acute frog is determined; reducing the tip angle of the curved switch rail, and increasing the width of a semi-tangent rail head and the length of a tip linear section; the curve switch rail point railhead width is determined, a plane linetype optimization method without gauge widening is achieved, large-radius and small-radius curves are organically combined, and the wheel rail transverse force can be effectively reduced. The large radius provides a gentle steering path, so that the centrifugal acceleration is obviously reduced, and the transverse acting force between wheel rails is reduced; the small radius meets the terrain or operation requirements, and on the premise of guaranteeing driving safety, turnout wheel track abrasion is reduced, noise vibration is reduced, and the service life of the track is prolonged. It is suggested that a large-radius and small-radius combined mode is adopted to reduce the dynamic response of the compound dividing turnout.

The utility model relates to the technical field of track fasteners, in particular to an anti-loosening adjustable track traffic fastener system which comprises an elastic base plate arranged below a steel rail and elastic strips arranged on the left side and the right side of the steel rail respectively and used for stabilizing the steel rail, one end of each elastic strip is indirectly buckled on the lower plane of the steel rail, and the other end of each elastic strip is buckled on a gauge apron. The hard metal structure respectively penetrates through the elastic strip and the elastic base plate from top to bottom; the sleeve is matched with the hard metal structure; a spiral protruding cylindrical structure is arranged on the surface of the lower part of the hard metal structure; spiral grooves of inverted triangular structures are formed in the inner surface of the sleeve at equal intervals, and the spiral grooves can be tightly attached to the spiral protrusions; the fastener system is remarkably superior to an existing fastener system in the aspects of resonance resistance of the elastic strips, looseness resistance of the screw spikes and steel rail adjusting capacity, and stability, safety and maintenance economy of a rail are effectively improved.

The invention discloses a high-precision gauging rule rod with an automatic positioning pulley, relates to the technical field of track distance measurement, and discloses a gauging rule rod provided with an automatic positioning pulley and suitable for standard gauge, interval checking and back protection distance measurement and an operation method. A pulley is mounted on a measuring head on one side of the gauging rule rod, and a fixed measuring head is arranged on the other side of the gauging rule rod; and the adjusting ranges of the gauge gear adjuster are respectively 1435 gears, 1391 gears and 1348 gears. The pulley is installed at one end of the gauging rule, so that the gauging rule automatically adjusts the position of the distance measuring mechanism in the measuring process to enable the distance measuring mechanism to be tightly attached to a steel rail measuring point, errors caused by manual operation are reduced, and the accuracy of gauge measurement and the convenience of operation are improved. In addition, the gauging rule rod is provided with a built-in sensor, whether the gauge is qualified or not can be judged in real time, measured gauge data are transmitted to display equipment, and the gauge measurement efficiency is further improved.

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.

The application discloses a track train and a track gauge conversion device thereof, and relates to the technical field of track transportation. The track gauge conversion device comprises a track conversion line, a track conversion bogie, a magnetic circuit guide rail, a magnetic circuit coil assembly, a rotary hydraulic cylinder, a distance detection module and an oil supply module. The track conversion bogie can move on the track conversion line. The magnetic circuit coil assembly and the magnetic circuit guide rail repel each other through a magnetic field, so as to unload the load acting on the wheel. The rotary hydraulic cylinder comprises a cylinder body and a piston rod. The distance detection module is used for detecting the distance between the wheel and the center of the axle. The oil supply module is used for supplying oil to the rotary hydraulic cylinder when the distance detected by the corresponding distance detection module is inconsistent with the set track conversion distance, so that the piston rod extends or retracts relative to the cylinder body, and the distance between the wheel and the center of the axle is adjusted. The track gauge conversion device can quickly convert the track without damaging the overall structure of the bogie, greatly reduces the track conversion time, accelerates the operation efficiency of the cross-country train, and reduces the labor and material costs.

The utility model discloses a track gauge detection electronic track ruler for a track, which comprises a ruler body, the left end of the ruler body is fixedly sleeved with a measuring head, a detection device for detecting distance is arranged in the ruler body, the left end of the lower side surface of the ruler body is provided with a horizontal column, and the track gauge detection electronic track ruler further comprises an expansion mechanism; the expansion mechanism comprises an expansion ruler, a self-locking groove, mounting rods, friction blocks and sliding grooves, the expansion ruler is slidably connected into the ruler body, a movable measuring head is arranged at the right end of the expansion ruler, the self-locking groove is formed in the upper side face of the expansion ruler, the mounting rods are symmetrically distributed at the right end of the upper side wall of the ruler body, the sliding grooves are formed in the upper side faces of the friction blocks, and the friction blocks are arranged in the sliding grooves. The sliding grooves are in sliding connection with the lower ends of the adjacent installation rods on the upper side, the friction blocks are installed on the adjacent inner walls of the self-locking grooves in a matched mode, the expansion mechanism further comprises installation columns and extrusion blocks, and the track gauge detection electronic track ruler for the track can flexibly adjust the detection range and accurately measure tracks with different track gauges.

The utility model relates to the technical field of photovoltaic cleaning equipment, in particular to an adjustable two-way track bearing structure for a photovoltaic cleaning robot ferry vehicle, which comprises a long plate, the top of the long plate is provided with a support component for adjustably supporting various tracks, and the top of the long plate is provided with a bearing component. The supporting assembly comprises a first base and a second base which are connected to the top of the long plate in a sliding mode, through the supporting assembly, the first base and the second base which can slide on the long plate left and right, and the double-screw linkage adjusting mechanism with opposite threads is matched, synchronous adjustment of the track in the left-right direction is achieved, and the track can be adjusted in the left-right direction. The rail distance adjusting device can adapt to rail distances with different widths, solves the problems that in an existing structure, the rail distance is fixed, and compatibility is poor, meanwhile, by arranging the lifting cylinder and the lifting rod, flexible adjustment of the rail height is achieved, the mounting requirements of complex terrains such as ground fluctuation and gradient changes are effectively met, and the stability and adaptability of rail arrangement are improved.