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62results about "Track superstructure" patented technology
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Frame type embedded track structure
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.
Owner:TAINUO LIFTING EQUIP (TIANJIN) CO LTD
A tamping machine that compacts the track ballast bed
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.
Owner:HP3 REAL GMBH
A suspended track laying device and its usage method
ActiveCN116446224BTrack superstructureRailway track constructionAir pumpElectrical and Electronics engineering
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.
Owner:CHINA CONSTR SILK ROAD CONSTR INVESTMENT CO LTD
Rail mounting structure
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.
Owner:GANSU TIMES POWER TECHNOLOGY DEVELOPMENT CO LTD
Tamping equipment for track tamping machinery
ActiveCN116368276Bclosely connected in seriesExtended service lifeBallastwayTrack superstructureClassical mechanicsActuator
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.
Owner:HP3 REAL GMBH
Auxiliary equipment for railway ballast
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.
Owner:FUJIAN POLYTECHNIC OF WATER CONSERVANCY & ELECTRIC POWER
A rail tilting performance detection device applied to a railway site
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.
Owner:BEIJING TIEKE SHOUGANG RAIL TECH CO LTD
Tamping machine for tamping sleepers of a track set in a ballast bed and method for operating said tamping machine
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.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Railway works machine comprising a machine chassis and a works shuttle, and associated railway works convoy
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.
Owner:MATISA MATERIEL INDUSTRIEL SA
Subway track laying machinery auxiliary scattered laying construction method
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.
Owner:中国建设基础设施有限公司
An adjustable gauge tracked railway sleeper changer
This invention discloses an adjustable-gauge tracked railway sleeper changer, belonging to the field of engineering machinery technology. It includes a chassis system comprising a frame, with a railway running system rotatably connected to the end of the frame. The railway running system includes a running support, with a first cylinder and a second cylinder respectively arranged on both sides of the running support. A first connecting pipe and a second connecting pipe are respectively arranged inside the first and second cylinders. A first connecting shaft is slidably arranged inside the first cylinder and the first connecting pipe, and a second connecting shaft is slidably arranged inside the second cylinder and the second connecting pipe. An adjustment mechanism is provided between the first and second connecting pipes to adjust the distance between the first and second connecting shafts. Limiting blocks are respectively provided on the first and second connecting pipes to restrict the movement of the first and second connecting shafts. This invention enables convenient adjustment of the track gauge, improving the adaptability of railway-specific equipment to railways with different track gauges.
Owner:XCMG EXCAVATOR MACHINERY CO LTD
Elevation fine adjustment mechanism adaptable to super-high section, track panel fine adjustment vehicle and fine adjustment method
ActiveCN115595838BImprove efficiencyHigh adjustment accuracyTrack superstructureRailway track constructionClassical mechanicsMechanical engineering
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD +1
Subway track column pouring hopper
ActiveCN116334966BBuilding material handlingTrack superstructureStructural engineeringMechanical engineering
The application relates to a subway track column pouring hopper, and relates to the railway track construction technical field, in order to solve the problem that a vibrating rod is easy to splash concrete on a steel rail in a vibrating process, causing the steel rail to be polluted by the concrete, the vibrating rod comprising a hopper for containing concrete, a guide wheel for moving on the track being arranged at the bottom of the hopper, a pouring assembly for pouring concrete into a column being arranged on the hopper, a vibrating assembly for vibrating the concrete being arranged on the hopper, the vibrating assembly comprising a vibrating rod sliding in a vertical direction on the hopper and a driving source for driving the vibrating rod to work, the vibrating rod being arranged on the outer wall of the hopper, a partition being arranged on the vibrating rod, the partition being movable into the column and isolating the concrete from the track. The application has the effect of reducing the probability of the concrete being splashed on the track due to the vibrating rod in the vibrating work, thereby reducing the pollution of the steel rail by the concrete.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
Waterproof extruded ballast protection
1. A method of providing a ballast protective membrane on a waterproof membrane, the method comprising the steps of: a. providing at least one layer of the waterproof membrane on a surface to form a waterproof seal on the surface; and b. applying a liquid curable composition on the surface of the waterproof membrane to an average uncured thickness of 0.5 mm to 50 mm, the liquid curable composition comprising (i) at least one reactive acrylate-based monomer and (ii) a polymerization initiator added to activate polymerization of the reactive acrylate-based monomer, the liquid curable composition curing when applied to the surface of the waterproof membrane to form a resin film.
Owner:GCP APPLIED TECHNOLOGIES INC
Rail engineering truck turnout area machining device and method
The invention relates to the technical field of turnout area steel rail repair, in particular to a rail engineering truck turnout area machining device and method.The device comprises a milling and grinding operation mechanism, a left milling and grinding unit and a right milling and grinding unit are arranged on a mounting support; each of the left-side milling and grinding unit and the right-side milling and grinding unit comprises a milling cutter disc, a transverse feeding assembly for controlling the transverse feeding of the milling cutter disc, a vertical feeding assembly for controlling the vertical feeding of the milling cutter disc, and a main shaft driving assembly; the control system is preset with different machining programs including forward routing and reverse routing, and is used for controlling and connecting each component of the left side milling and grinding unit and the right side milling and grinding unit; the plurality of sensor tags are arranged at a plurality of preset positions in a turnout area; the transverse positioning mechanism is mounted on the vehicle; the technical problems that in the prior art, a machining vehicle cannot accurately recognize the specific position of a turnout area, and the intelligent degree is low are solved.
Owner:清研锐为(洛阳)轨道交通科技有限公司
Self-adapting structural system for tunnel crossing active fault
ActiveCN117513072BEliminate the effects ofThe impact is eliminated or basically eliminatedMining devicesBallastwayGear wheelTrackway
The application discloses a kind of tunnel crossing active fault adaptive structure system, including tunnel structure, safety space, track system and adaptive support system;When active fault dislocation, the surrounding rock that moves downward is footwall surrounding rock, safety space is provided between track system and the tunnel structure arranged in footwall surrounding rock, adaptive support system is arranged in safety space;Adaptive support system includes gear device arranged in the both sides of track system, gear device is connected with tunnel structure and track system;After active fault dislocation, footwall surrounding rock moves downward, hangingwall surrounding rock supports track system upward, track system moves upward relative to footwall surrounding rock, gear device has brake function, provides vertical support force for track system arranged in footwall surrounding rock tunnel structure, keeps the vertical direction position of track system unchanged.The application can realize adaptive adjustment function according to fault dislocation, maintain the flatness of track system in longitudinal direction, make fault dislocation amount distribute reasonably in tunnel section.
Owner:DALIAN UNIV OF TECH
Tamping assembly for tamping sleepers of a track
The invention relates to a tamping assembly (1) for tamping sleepers (7) of a track, comprising a tamping unit (4) having oppositely located tamping tools (9) which are pivotally mounted on a vertically adjustable tool carrier (5), wherein each tamping tool (9) is coupled to a vibration drive (21) via a transmission element (17). Here, the relevant transmission element (17) is connected via a first joint (16) to the associated tamping tool (9) and via a second joint (18) to a squeeze drive (19) which is supported on the same tamping tool (9). This construction allows for a space-saving arrangement of the squeeze drives (19), which results in a compact design.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Tamping unit and method for tamping sleepers of a track
The invention relates to a tamping unit (1) for tamping sleepers (37, 43, 44) of a track (38), having tamping tools (7) which are situated opposite one another with respect to a vertical central plane (6), which are mounted on a height-adjustable tool carrier (2), and which are each connected to a feed drive (12) for generating a feed movement, wherein a lever arm (10) having a connection part (11) that projects beyond the central plane (6) is arranged on each tamping tool (7), and wherein the connection part (11) of each lever arm (10) is connected to the associated feed drive (12). This arrangement results in an approximately symmetrical construction of all drive elements, with an optimized load situation during operation.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Eccentric shaft drive for tamping units
Eccentric shaft drive (1) with at least one eccentric shaft (2, 2A, 2B) which is intended to set paired pivot levers (3) of a respectively assigned tamping unit (4) into oscillation at a defined fundamental frequency, wherein in each case a speed-controllable first hydraulic-mechanical actuator (6, 6A, 6B, 6C, 6D) arranged in an assigned hydraulic circuit (5, 5A, 5B, 5C, 5D) is mechanically coupled to the assigned eccentric shaft (2, 2A, 2B), wherein the hydraulic circuit (5, 5A, 5B, 5C, 5D) connects the assigned first hydraulic-mechanical actuator (6, 6A, 6B, 6C, 6D) with an assigned second mechanical-hydraulic actuator (7, 7A, 7B, 7C, 7D), which is mechanically coupled to a drive unit (9) via a common axis (8), fluidly connected and in which at least one closed hydraulic circuit (5, 5A, 5B, 5C, 5D) the first and the second actuator (6, 6A, 6B, 6C, 6D, 7, 7A, 7B, 7C,7D) are intended for converting a mechanical movement into a time-varying volume flow of a hydraulic medium and / or for converting a time-varying volume flow of this hydraulic medium into a mechanical movement.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Method for controlling the operating state of a hydraulic actuator of a tamping unit of a track construction machine and track construction machine for implementing the method
Method for controlling the operating state of a hydraulic actuator (7), which as part of a working unit (4) of a construction machine (14) provides movable mechanical unit components, in particular a tool holder or a tool (6), and whose pressure chambers with their working ports (A, B) are connected to the piping system of a hydraulic circuit by means of at least one control valve (1, 12a, 12b, 12c, 12d, 12e), wherein on the one hand the operating state is maintained when the pressure chambers of the actuator (7) are completely separated from the piping system of the hydraulic circuit by means of the at least one control valve (12a, 12b, 12c, 12d, 12e) and on the other hand a change in the operating state is effected by means of a pulsed control of the at least one control valve (12a, 12b, 12c, 12d, 12e).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Spike tray head with replaceable wear plates
Owner:S W N G INC
Methods and machines for compacting the underside of an orbit
A method and machine for compacting the undersides of a plurality of sleepers (4) of a track (3) supported one behind the other in a ballast bed (2) by a tamping assembly (7), the tamping assembly (7) comprising a plurality of tamping units (14) arranged one behind the other in a working direction (25) and independently adjustable in height, the tamping units (14) equipped with tamping ice axes (22) that are accessible to one another, the tamping assembly (7) lowering the tamping ice axes (22) of the front tamping unit (14) and the rear tamping unit (14) into the ballast bed (2) to different immersion depths (T1, T2, T3) during one tamping cycle, and then moving the tamping assembly (7) further in the working direction (25) by a number of sleepers (4) that is less than the number of tamping units (14) arranged one behind the other for the next tamping cycle. In this way, the tamping units (14) arranged in succession tamping the underside of the same sleeper (4) multiple times in different depth zones (Z1, Z2, Z3) of the ballast bed (2).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Methods for checking the condition of guardrails
A method for inspecting the condition of a guardrail (1) on a track (2) of a turnout, wherein the condition is defined by the fastening state of the guardrail and the wear state of the guardrail surface (14,24) of the guardrail (1), and the inspection vehicle (18) is equipped with at least one wheel-mounted sensor unit (21) and a free-space sensor unit (22), wherein the wheel-mounted sensor unit (22) determines at least one geometric load measurement value representing the cross-sectional shape of the load gap, and the free-space sensor unit (22) determines the no-load A method wherein at least one geometric unloaded measurement value representing the gap cross-sectional shape is obtained, and the loaded and unloaded measurement values represent the gap cross-sectional shape of the gap cross-sectional shape extending between the rail (4) of the track (2) and the guardrail (1) in a loaded or unloaded state, by at least one data relating to the inclination of at least one guardrail surface (14,24) with respect to a reference plane, and / or by at least one data relating to the inclination of the tangent to one guardrail surface (14,24) with respect to a reference plane.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Rail laying device for rail traffic engineering construction
The invention relates to the technical field of rail laying equipment, and discloses a rail traffic engineering construction rail laying device which comprises a movable traction layer supporting plate, and four sets of moving wheels are arranged at the bottom of the traction layer supporting plate; a laying layer supporting plate is arranged below the traction layer supporting plate, and a traction base used for pulling a steel rail is arranged on the traction layer supporting plate. Second rolling wheels and laying assemblies for pushing the second rolling wheels to fall at equal intervals are symmetrically arranged on the two sides of the laying layer supporting plate, the laying assemblies are used for laying the second rolling wheels in the moving process of the traction layer supporting plate, and a discharging assembly is arranged below a gasket; and the blanking assembly places gaskets on the sleepers in the moving process of the traction layer supporting plate. By arranging the traction layer supporting plates and the laying layer supporting plates which are arranged in a layered mode, traction of the steel rails and laying of the rolling wheels are completed at the same time, continuous rolling supporting points are formed below the steel rails till the steel rails are laid in place, labor is saved, and the laying intervals are uniform.
Owner:SHENYANG JIANZHU UNIVERSITY
Rammer for ramming sleepers for railway tracks
A tamper (1) for tamping sleepers of a track (2) has a machine frame (4) which extends in the longitudinal direction of the tamper and which can be moved on two rail running mechanisms (9), and a work carriage (3) which is arranged between the rail running mechanisms (9) and which can be moved on the track (2) by means of a running mechanism (10), the work carriage being connected to the machine frame (14) by means of a longitudinal guide (18) of the work carriage, and having a track-lifting and correcting unit (7). In order to advantageously achieve a positioning condition, it is proposed that the work carriage (3) is directly connected to the machine frame (4) by means of a linear drive (4) with a position detector, wherein the linear drive (4) accelerates and decelerates the work carriage (3) between the rail running mechanisms (9) in a predetermined displacement range (A) in order to maintain a predetermined displacement amount, wherein two hydraulic cylinders (4) are provided, one of which pushes the work carriage (3) and the other of which pulls the work carriage when the work carriage is moved between the rail running mechanisms (9).
Owner:HP3 REAL GMBH
A full-face weld grinding machine
The application discloses a kind of full-face weld polishing machine, it is related to railway engineering machinery technical field, it includes pedestal, and still includes guide mechanism, rail top processing unit, rail waist processing unit and rail bottom processing unit;Pedestal includes fixed frame, and the both ends of fixed frame are respectively provided with clamp for clamping steel rail;Guide mechanism includes guide frame seat, oil cylinder and connecting plate;The front surface of guide frame seat is slidably provided with connecting seat along axial direction;The cylinder body of oil cylinder is fixedly arranged at one end of guide frame seat, and the piston rod of oil cylinder is connected with connecting seat;The back surface of connecting plate is fixedly connected with connecting seat, and the front surface of connecting plate can be alternatively connected in rail top processing unit, rail waist processing unit and rail bottom processing unit.The present application can overcome the technical defects that the existing machine rail waist and rail bottom position polishing is difficult, cannot achieve full-face polishing and operation efficiency is low, labor intensity is big, and operation safety risk is higher.
Owner:金鹰重型工程机械股份有限公司
Method and machine for tamping a track
The invention relates to a method for tamping sleepers of a track panel, supported in a ballast bed, by means of a tamping unit, comprising two tamping tools opposite one another which, during tamping of the respective sleeper, are lowered into the ballast bed with vibrations being applied, and are moved towards each other with a squeezing movement while the track panel is held in a raised position. In this, an evaluation device is used to monitor a squeezing speed of at least one tamping tool, with a current value of the squeezing speed being compared with a limit value when a predefined squeezing time or a predefined squeezing distance is reached, and with a notification signal indicating whether the current value is above the limit value. This may indicate that a void located below the sleeper has not yet been sufficiently filled.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Tamping tine for a tamping machine
The invention relates to a tamping tine (1) for a tamping machine for tamping sleepers (3) of a track that are mounted in a track ballast bed (2), comprising a tine shaft (5) which, with respect to an intended, approximately vertical orientation, has a lower end on which there is arranged a tine plate (6) which projects beyond the tine shaft (5) at least on one side and comprises an upper cover surface (11). As a result of an inclination of the upper cover surface (11) between the tine shaft (5) and a plate side surface (9), the tine plate (6) has a plate upper edge (12) for displacing ballast stones (14) during an upward movement (13). The last phase of a tamping cycle, namely pulling the tamping tine (1) out of the track ballast bed (2), can thus be carried out in an optimized manner.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Method for checking the state of a check rail
The invention relates to a method for checking a state of a check rail (1) of a track (2) of a railway switch, which state is defined by a securing state of the check rail and a wear state of the check rail surface (14, 24) of the check rail (1), which measuring vehicle (18) comprises at least one WHEEL CONTACT sensor unit (21) and a FREE SPACE sensor unit (22), wherein at least one geometric LOAD measurement value describing a LOAD gap cross-sectional shape is determined with the WHEEL CONTACT sensor unit (22) and at least one geometric LOAD FREE measurement value describing a LOAD FREE gap cross-sectional shape is determined with the FREE SPACE sensor unit (22), which LOAD measurement value and LOAD-FREE measurement value describe the gap cross-sectional shape of a gap cross-section extending between the rail (4) of the track (2) and the check rail (1) in the loaded state or in the unloaded state with at least one datum via an inclination of at least one check rail surface (14, 24) relative to a reference plane and / or with at least one datum via an inclination of a tangent of a check rail surface (14, 24) relative to the reference plane.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
Tamping unit with combined generation of vibrations
The invention relates to a tamping unit (1) for tamping sleepers (2) of a track (3), comprising tamping tools (4a, 4b) aligned in pairs with tamping picks (5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h) fastened in holders, wherein each tamping tool (4a, 4b) is assigned a hydraulic actuator (6, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h) for generating an adjusting movement of the tamping picks (5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h), and wherein an eccentric drive (7) for generating a first vibration movement of the tamping picks (5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h) is arranged in such a way is that one of the hydraulic actuators (6, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h) is connected on the one hand to the eccentric drive (7) and on the other hand to an upper end of a pivot lever (8a, 8b, 8c, 8d, 8e, 8f, 8g, 8h) of the associated tamping tool (4a, 4b), and wherein a hydraulic switching element (9, 9a, 9b) is connected between pressure chamber connections (11a,11b) of the respective hydraulic actuator (6, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h) and a hydraulic line network (10), wherein the respective hydraulic switching element (9, 9a, 9b) is configured to generate a second vibration movement in the associated hydraulic actuator (6, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h), and wherein the respective pivot lever (8a, 8b, 8c, 8d, 8e, 8f, 8g, 8h) is configured to transmit a superposition of the first and second vibration movements to the respective tamping pick (5a, 5b, 5c, 5d, 5e, 5f, 5g, 5h).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH