242results about "Track superstructure" patented technology

A tamping assembly for tamping sleepers of a track has a tamping unit with tamping tools. The tamping tools are located opposite one another, are mounted on a height-adjustable tool support, and, by way of drives, can be caused to vibrate and can be fed relative to each other. Each tamping tool includes a pivot lever, which can be rotated about a feed axis, and an inner and an outer tamping pick retainer. Each tamping pick retainer can be laterally pivoted relative to the pivot lever. The outer tamping pick retainer can be pivoted about a first pivot axis and the inner tamping pick retainer can be pivoted about a second pivot axis. The second pivot axis is arranged at an offset to the first pivot axis. Thus, it is no longer necessary to adjacently arrange elements for pivoting the tamping pick retainers.

The stored ballast backfilling device is installed on a frame of the screen cleaning vehicle and comprises a stored ballast backfilling mechanism and a vibrating screen. The stored ballast backfilling mechanism comprises a lower ballast hopper and an upper ballast hopper; a new ballast conveying belt is arranged at the feeding end of the ballast feeding hopper and used for conveying new ballast transferred by the material transport vehicle to the ballast storage backfilling mechanism. A backfilling conveying belt is arranged at the discharging end of the ballast discharging hopper and used for throwing the clean railway ballast to a line for backfilling. The vibrating screen is used for separating the mixed ballasts into dirty soil and clean railway ballasts, a mixed ballast conveying belt is arranged at the feeding end of the vibrating screen, and the mixed ballast conveying belt is used for conveying the mixed ballasts excavated by the screen cleaning vehicle from a ballast bed to the vibrating screen; one discharging end of the vibrating screen is connected with the feeding end of the ballast discharging hopper, and the vibrating screen is used for conveying the separated clean railway ballast to the ballast storage backfilling mechanism; and a dirty soil conveying belt is arranged at the other discharging end of the vibrating screen and used for finally throwing the separated dirty soil to the two sides of the line or transferring the separated dirty soil to a material transport vehicle.

The invention relates to the technical field of track operation, and discloses a full-automatic track bolt operation maintenance device which comprises a track body, a bottom framework is arranged at the top of the track body, a control box is arranged at the top of the bottom framework, batteries are arranged at the positions, located on the two sides of the control box, of the top of the bottom framework, and a positioning sensor is further arranged on the bottom framework. Two first L-shaped plates are symmetrically distributed on one side of the bottom of the bottom framework, and a positioning wheel is arranged between the two first L-shaped plates. According to the full-automatic track bolt operation maintenance device, through the collaborative design of the positioning unit and the execution assembly, the operation safety problem under the ice surface low-friction environment is fundamentally solved. After the sucker of the positioning assembly is adsorbed on the track, the sucker and the positioning wheel can fix the bottom framework together, so that the device is prevented from slipping or displacing when bolt torque is applied, the phenomenon of false tightening is completely eradicated, namely the situation that the recorded torque of the device reaches the standard but effective torque is not actually applied to the bolt is prevented, and the potential safety hazard of line operation is eliminated.

The invention relates to a method for automatic autonomous control of a tamping machine (C) for compacting the ballast bed of a track in points (A, B), comprising a device for determining the position of the track laying machine on the track, and comprising position detection of the actuators of the working units (La, Li, Ra, Ri, 16, 18, 19, 20, 22, 23) of the tamping machine (C). In order to automate the method: - point data (ai,j, β, WP, t, L, n) of the point to be machined is first read into a control computer (27) of the tamping machine (C); - the control computer (27) subsequently generates exact positioning instruction data (Pi) for the working units (La, Li, Ra, Ri, 16, 18, 19, 20, 22, 23) at each railway sleeper (ai,j) to be tamped in the point region (1-51); and - the tamping machine (C), depending on its position in the point (A, B) and on the generated positioning instruction data (Pi), actuates these positions with the working units (La, Li, Ra, Ri, 16, 18, 19, 20, 22, 23) associated with each position and carries out the tamping process at the place of the actuated position fully automatically and autonomously.

The utility model relates to the technical field of construction machinery application, in particular to a steel rail vertical hoisting anti-drop fixture structure, which comprises a first fixture body, a second fixture body, a third fixture body and a fourth fixture body, the first fixture body comprises a vertically arranged first main body part, the upper part of the first main body part is provided with a transversely extending first connecting part, and the middle part of the first connecting part is provided with a groove; the second fixture body comprises a second main body part which is vertically arranged, the upper part of the second main body part is provided with a second connecting part which extends transversely, and the position of the second connecting part is matched with the groove of the first connecting part of the first fixture body; the wedge is arranged below the first connecting part and the second connecting part; the bolt penetrates through the second connecting part from the top of the first connecting part of the first fixture body and then abuts against the wedge. The anti-falling device has the advantages that the bolt abuts against the wedge, so that the clamp body and the wedge are tightly attached to the contact face of the steel rail, friction is increased, and the anti-falling effect is achieved; and the fixture body and the wedge adopt split structure design, so that the mounting and the dismounting are convenient, and the on-site rapid construction operation is facilitated.

The utility model relates to the technical field of track structures, in particular to a frame type embedded track structure which comprises a base body, a transverse groove is formed in the base body, a noise reduction mechanism is arranged in the base body, the noise reduction mechanism comprises a vibration isolation supporting plate, the vibration isolation supporting plate is fixedly connected to the top of the inner side of the transverse groove, and the vibration isolation supporting plate is fixedly connected to the top of the inner side of the transverse groove. The top of the vibration isolation supporting plate is fixedly connected with a damping rod, the outer wall of the damping rod is sleeved with a spring, the top of the damping rod is fixedly connected with an elastic plate, the top of the elastic plate is fixedly connected with a rubber pad, the top of the rubber pad is fixedly connected with a boss, and the back of the boss is fixedly connected with a cross beam. The vibration isolation supporting plate is used for isolating vibration, the rubber pads are used for buffering and supporting, the two transverse grooves are formed in the left side and the right side of the interior of the base body, and the train noise can be reduced when a train passes through the train noise reduction device, so that the situation that the life of residents is affected due to the fact that the train noise is too large is avoided.

The compactor (1) compacts the ballast bed of a track, and includes a compaction unit (4) for compacting under the track (9), a leveling device (2) arranged between the running gear (8) for leveling and leveling the track and the switch (9), at least one leveling roller (6) whose height position is adjustable, and at least one leveling hook (7) whose height position is adjustable independently of the leveling roller (6). The leveling roller (6) and the leveling hook (7) are arranged on a common console (31), and the console (31) is guided by an actuator (17) so as to be slidable laterally with respect to the longitudinal axis (L) of the compactor. In order to provide advantageous working conditions, the console (31) is arranged on a guide carriage (10) by which the console (31) can slide along the lateral guide (16) transversely to the compactor longitudinal axis (L), and the console (31) is supported on the guide carriage (10) by a swivel drive device (12) so that the console (31) can be swivelled around a swivel axis (30) parallel to the compactor longitudinal axis.

The invention discloses an installation method and installation equipment for a steel coil trolley track. The installation method comprises the steps that measurement data of a rolling line datum point are obtained through a laser tracker arranged at a target position, and measurement data of a plurality of peripheral position points in the middle of a mandrel are obtained through the laser tracker arranged at the target position; establishing a three-dimensional coordinate system according to the measurement data of the rolling line datum point; performing circle fitting according to the measurement data of the plurality of peripheral position points, and determining the center point coordinate of the central part of the mandrel in the three-dimensional coordinate system according to the fitting result; and target position coordinates used for installing the steel coil trolley track are determined in the three-dimensional coordinate system according to the center point coordinates, and the steel coil trolley track is installed according to the target position coordinates. The technical problems that an existing method for installing the steel coil trolley track is large in error, tedious in operation and long in installation time consumption are solved.

The present invention discloses an automatic ballast-replenishing device, system, and integrated work vehicle for railway lines. The automatic ballast-replenishing device comprises: a ballast bucket mounted on a vehicle frame for accommodating ballast; a spiral conveying mechanism disposed below the ballast bucket, which quantitatively removes the ballast from the bucket by controlling the number of revolutions of the spiral conveying mechanism; and a ballast-dropping bucket disposed below the spiral conveying mechanism, which controls the ballast drop and backfills it into a pick pocket, thereby achieving single-time quantitative ballast backfilling. The present invention addresses the technical problems of existing ballast-replenishing devices, such as their susceptibility to malfunction, poor reliability, limited operability, and inability to achieve quantitative ballast distribution control.

This invention relates to the field of subway tunnel rail panel construction technology, and particularly to a suspended rail laying equipment and its usage method. The equipment includes a slide rail, hoisting equipment, a reversing clamp, lifting equipment, and an electromagnetic air pump. The hoisting equipment includes a fixing component and multiple sets of fixing devices spaced apart. Each set of fixing devices includes a gantry and two retraction devices. The fixing component is mounted on the slide rail, and the two retraction devices are symmetrically arranged on both sides of the gantry. The retraction axis of the retraction devices is perpendicular to the tunnel excavation axis. One end of the retraction device is fixedly connected to the fixing component, and the other end is connected to the bottom of the gantry. The reversing clamp is installed below the gantry, and the lifting equipment is located below the reversing clamp. This invention allows the rail laying equipment to be moved to the next cycle position via the slide rail for rail panel hoisting, resulting in a more advanced technology. The hoisting equipment enables rapid installation, utilizes more space inside the tunnel, avoids secondary damage to the main tunnel structure, and is beneficial for finished product protection.

The present application relates to a kind of adjustable measuring frame for subway track construction, it is characterized by including height balance measuring plate, track parallelism measuring plate, telescopic support and push-pull rod, the left and right ends of the telescopic support are connected with one track parallelism measuring plate, height balance measuring plate is arranged between two track parallelism measuring plates, first levelness measuring instrument is installed at the top of the height balance measuring plate, second levelness measuring instrument is installed at the top of two track parallelism measuring plates, track running wheel is installed at the bottom of the track parallelism measuring plate, mounting seat is fixed to the bottom of the telescopic support by connecting rod, spacing measuring mechanism is installed at the left and right ends of the mounting seat, running wheel is installed at the front end surface of the mounting seat, and the push-pull rod is movably connected at the rear end surface of the telescopic support.The design has the advantages of simple structure, easy to manufacture and practical and efficient.

An embodiment of the present application provides a track collection and replacement operation system, including a front trolley and a rear trolley; the front trolley is used to carry the new track and guide the new track into the target installation position, and to carry the old track and transport the old track to external equipment; the rear trolley is used to carry the old track and guide the old track out to the track center or ballast shoulder, and to transport the old track to the front trolley; it can flexibly perform track replacement and recycling operations according to actual conditions, make full use of the skylight time, realize the mechanization of track replacement, reduce the work pressure of construction personnel, and improve construction efficiency. The front trolley directly guides the new track into the target installation position, and the old track can be guided to the track center or the ballast shoulder to prevent interference and collision between the new and old tracks.

A method for compacting under sleepers (11) of a track (8) by means of a tamping device (2), the method comprising: a tamping device (2) having at least two tamping units (6) each with an opposing tamping tool (9) supported on a descendable tool support (10); and a tamping tool (9) being lowered into a ballast bed (22) under vibration during the tamping process and being squeezed closer to each other via a squeeze drive (13). In order to compact the underside of the obliquely positioned sleeper (11), the tamping tool (9) or the pair of tamping tools is moved in the squeeze direction (26) by the squeeze drive device (13) via the control device (16) in a raised position by various adjustment distances (s1, s'1, s2, s'2, s3, s'3, s4, s'4) so ​​as to rotate the free end of the tamping tool (9) or the pair of tamping tools about a substantially common vertical rotation axis (20) to adapt to the inclined position of the sleeper (11).

The utility model discloses a kind of installation structures of track, is related to the installation structure field of track.A kind of installation structure of track, including mounting seat, the two sides of the inner chamber of mounting seat are provided with Z-shaped cushion block, the two sides of Z-shaped cushion block top are provided with positioning slot, the top of Z-shaped cushion block is provided with track main body, the periphery of the bottom of track main body is equipped with locating block, the bottom of locating block is in contact with the bottom of positioning slot inner chamber, the periphery of the bottom of track main body is provided with mounting pin, the bottom of mounting pin is penetrated through the bottom of Z-shaped cushion block and is fixed with the inner chamber of mounting seat by screw thread.The utility model provides a kind of installation structure of track, by Z-shaped cushion block is put into the inner chamber of mounting seat, by locating block and positioning slot, track main body has played the role of being easily assembled, track main body can be quickly positioned when being installed, and then by bolt pin, mounting seat and Z-shaped cushion block and track main body are quickly assembled and fixed.

A method for compacting ballast (8) in a track bed using a tamping unit (1) comprising several tamping tools (6), wherein, in the area of ​​a rail (3), four vibrating tamping tool ends (16) are immersed in the ballast (8) on both sides of the rail (3) and on both sides of a sleeper (9), and wherein the four tamping tool ends (16) are moved towards each other approximately in the direction of a rail / sleeper intersection point (25) by means of drive mechanisms (14, 18, 22, 29). During this process, pick plates (23) arranged on the tamping tool ends (16) are moved at least partially into an area (27) below the rail (3).

The present invention discloses an intelligent tractor roller linkage device and an operation method thereof, comprising a code-taking roller manipulator, a roller storage device, a transfer platform, a roller placement manipulator and a roller drop device, wherein the action execution component of the code-taking roller manipulator moves in the XYZ direction and grabs the roller in the roller storage device to the transfer platform, and the action execution component of the roller placement manipulator moves in the XYZ direction and grabs the roller on the transfer platform to the roller drop device, and the roller drop device transfers the roller from the inner side of the track bed to the outer side of the track and then drops the roller. The intelligent tractor roller linkage device and the operation method thereof have strong stability, reduce vibration, can avoid mechanical noise, are easy to produce, have strong practicality, meet various needs in mechanical processing, and are suitable for wide promotion and use.

A tamping device for track tamping machinery includes multiple pairs of tamping tools mounted on a support, the support being height-adjustably guided within a frame of the tamping device. The pickaxe ends of the tamping tool pairs are driven in opposite directions by linear oscillating actuators and are hydraulically fed relative to each other. At least two tamping devices are arranged along a longitudinal axis of the tamping device parallel to the longitudinal direction of the track tamping machinery. At least two tamping devices are arranged side-by-side transversely to the longitudinal axis of the tamping device. Two spaced-apart planes perpendicular to the longitudinal axis of the tamping device on either side of the support form a working space. A rocker arm and the tamping tool pairs trace a motion trajectory within the working space via the pickaxe ends during feeding motion. The envelope of this motion trajectory lies only within the working space. The linear oscillating actuators of the tamping device are arranged overlapping each other in an oscillation plane extending transversely to the plane and are at least nearly parallel to each other and inclined relative to the longitudinal axis of the tamping device.

The embodiment of the invention provides an extruding and grinding device for steel rail welding seam shaping and a control method thereof, and belongs to the technical field of railway track maintenance. The extruding and polishing device for shaping the steel rail welding seam comprises a follow-up frame, an extruding and polishing device and a polishing device, the extrusion forming unit is arranged on the follow-up frame and used for performing continuous extrusion on the weld reinforcement; the grinding unit comprises a grinding head and a driving part and is used for grinding the surface of the welding seam after extrusion forming; the detection unit is mounted on the follow-up frame and is used for acquiring contour information of the surface of the welding seam and outputting a flatness index; the control unit is in signal connection with the extrusion forming unit, the grinding unit and the detection unit and used for receiving the contour information output by the detection unit and issuing execution instructions to the extrusion forming unit and the grinding unit. According to the scheme, through linkage control of extrusion and grinding, efficient removal of steel rail weld reinforcement and stable improvement of rail surface flatness are achieved.

A backup power supply system for a rail milling and grinding vehicle comprises a connected power vehicle II, a power vehicle I and a working vehicle, a main internal combustion generator set P1 is provided on the power vehicle I, an auxiliary internal combustion generator set P2 is provided on the power vehicle II, the power output end of the main internal combustion generator set P1 is connected to the main input power supply interface of the power conversion switch, the power output end of the auxiliary internal combustion generator set P2 is connected to the main power input interface of the power conversion switch, the power conversion switch is connected to all the power loads of the vehicle, and the main and auxiliary internal combustion generator sets are switched and selected through the power conversion switch; the backup power supply system is connected to the basic power loads of the vehicle to ensure uninterrupted power supply to the basic power loads of the vehicle during the switching of the main and auxiliary internal combustion generator sets. The backup power supply system of the present invention serves as an emergency energy source during the switching of the power source, ensures the normal and uninterrupted operation of the basic equipment, effectively avoids the loss of processing data, insufficient light in the emergency processing environment and other factors, and improves the operation safety of the rail milling and grinding vehicle.

The invention relates to a machine (1) comprising a ballast receiving apparatus (4) for receiving ballast (3) located below a track (2) by means of a continuous excavating chain (6) extending in a chain channel (5), wherein the chain channel (5) is composed of a transverse channel (13) that is positionable below the track (2), an empty channel (11), and a transport channel (16) provided for transporting ballast. A conveying device (26) for transporting ballast (3) towards the transport channel (16) is situated along an upper edge (25) of the transverse channel (13). By means of this additional device (26), the movement of the ballast (3) is increased such that the entirety of the ballast reaches the transport channel (16).

Rail bearing system for the elastic mounting of a rail (10) on a track bed and for the electrical insulation of the rail (10), wherein the rail (10) has a rail foot (12), a rail head (16) and a rail web (14) connecting the rail head (16) and the rail foot (12), wherein a rail chamber (22a, 22b) is formed between the rail head (16) and the rail foot (12) on both sides of the rail web (14), and wherein the rail bearing system has at least the following: an elastic intermediate layer (42) which determines the dynamic depression and the dynamic vibration and damping behavior of the rail (10) when a rail vehicle passes over it, arranged between the rail foot (12) and the track bed and an electrically insulating sealing film (30) with which at least a part of the rail foot (12) is covered in order to electrically insulate it.

The invention discloses auxiliary equipment for railway ballasts, and relates to the technical field of railway ballast maintenance, the auxiliary equipment comprises a driving device, a material box, two clearing devices, two laying devices and two compacting devices; the running device comprises a vehicle body, a plurality of wheels and a first driving part; the material box is arranged at the top of the vehicle body, and a recycling space and a storage space are formed in the material box; the two clearing devices are arranged on the two sides of the material box correspondingly and each comprise a feeding hopper and a feeding assembly. The two laying devices are arranged on the two sides of the material box respectively, and each laying device comprises a discharging hopper and a first gate; the two compaction devices are arranged behind the vehicle body, and each compaction device comprises a compaction part and a second driving part; the compacting part is used for compacting and shaping the railway ballast, and the second driving part is used for driving the compacting part to move in the vertical direction. The efficiency and effect of reshaping and maintaining railway ballasts on the two sides of the track can be effectively improved, and meanwhile the cost can be effectively reduced.

The utility model discloses a shallow slot type assembled tramcar turnout which comprises a stock rail, a guard rail and a switch rail, the stock rail and the guard rail are both fixedly connected to a stock rail base bottom plate, a rail base sliding plate is arranged between the stock rail and the guard rail, and the rail base sliding plate is fixedly connected to the stock rail base bottom plate. The stock rail base sliding plate is fixedly connected with the corresponding stock rail and the guard rail to form an assembly structure with the upper portion open and the lower portion closed to form a cavity, and the switch rail is arranged on the stock rail base sliding plate. According to the technical scheme, the stock rail and the guard rail are welded on the base plate of the stock rail base, during machining, parts, needing to be machined, of the stock rail and the guard rail are fewer than machining parts of an integral type tramcar turnout, machining is simple, and machining cost is reduced.

The application discloses a rail tilting performance detection device applied to a railway site, which comprises a vertical loading mechanism arranged across rails and capable of providing vertical load to the rails and a horizontal loading mechanism arranged between two parallel rails and capable of providing horizontal load to the rails. The rail tilting performance detection device can reflect the installation state of the rails when fasteners are buckled in a continuous line.

The invention relates to a tamping machine (1) for tamping sleepers (6) of a track (5) set in a ballast bed (8), comprising a machine frame (13) supported on rail bogies (4), comprising a lifting and aligning unit (14), comprising a reference system (24) for track position correction, and comprising two tamping assemblies (17, 18) arranged directly one behind the other on the machine frame (13), each having tamping tools (30) which are mounted on height-adjustable tool carriers (34), can be squeezed towards one another by squeezing drives (44) and have tamping tines (43) for penetrating the ballast bed (8), wherein one of the tamping assemblies is designed as a switch tamping assembly (17) with laterally upwardly pivotable tamping tines (43). The switch tamping assembly (17) is arranged such that it can rotate relative to the machine frame (13) about a vertical axis (20) by means of a rotary device (19), wherein the further tamping assembly (18) is arranged such that it can be moved relative to the switch tamping unit (17) in the machine longitudinal direction (22) by a shifting device (21). In this way, multiple operating modes can be implemented for efficient use of the tamping machine (1) in a track region and in a switch region.

A railway works machine comprises a machine chassis and a works shuttle, the machine chassis having two opposite longitudinal end portions and a middle portion connecting the opposite longitudinal end portions, a volume being created underneath the middle portion of the machine chassis to house at least part of the works shuttle. The shuttle chassis is able to move with respect to the machine chassis back and forth between two end-of-travel positions. A longitudinal locking system allows the machine chassis to be secured to the shuttle chassis in a position for travel. The longitudinal locking system comprises a first locking device locking together a first of the two longitudinal end portions and the shuttle chassis and a second locking device locking together the shuttle chassis and a second of the two longitudinal end portions.

The utility model discloses a vibration and noise reduction structure type based on an inner side guiding type rubber wheel system, which comprises a U-shaped floating plate, the U-shaped floating plate is provided with a walking surface and a guiding surface, the walking surface and the guiding surface are provided with walking wheels and guiding wheels, the bottom of the U-shaped floating plate is provided with a U-shaped base, and the bottom of the U-shaped floating plate is provided with a rubber wheel. The U-shaped floating slab is connected with a vibration reduction assembly and a circulation assembly. The U-shaped floating slab track is simple in structure and reasonable in design, a train directly runs on the U-shaped floating slab track, the vibration and noise reduction effect is achieved, meanwhile, the trapezoid baffles are additionally arranged on the metal sleeves to reinforce the oval stress baffles and support the sealing dustproof cover plate, the bolts are additionally arranged in the steel spring vibration isolators to conduct limiting and height adjustment, and the sealing dustproof cover plate is not prone to falling off. And the drainage channel is used as a jacking channel.

The invention relates to the technical field of subway construction, in particular to an auxiliary scattered laying construction method for a subway track laying machine. The construction method comprises the following specific steps: S1, construction preparation; s2, a walking rail and a rail laying crane are installed; s3, hoisting the materials; s4, track panel assembling and hoisting are carried out; s5, mounting a ballast bed reinforcing mesh; s6, adjusting the track state; s7, a formwork is installed; s8, ballast bed concrete is poured; and S9, maintenance and follow-up operation are conducted. By building a matched operation platform and integrating various track laying machines, full-process mechanical auxiliary operation from construction preparation, material hoisting and transportation, track panel assembly to track bed pouring and maintenance is achieved, and the problems that a mechanical laying method is high in site requirement and cannot be applied to complex areas are solved. And meanwhile, the defects that a manual scattered laying method is large in human input, low in work efficiency, unstable in quality, high in cost and has potential safety hazards are overcome, the rail laying construction requirements under the condition that the construction period is short are met, convenience and standardization of construction are considered, and efficient rail laying operation can be achieved without depending on a fixed rail laying base.