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188results about "Track superstructure" patented technology

Tamping unit for tamping sleepers of a track

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.
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH

Full-automatic track bolt operation maintenance device

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.
Owner:HEBEI XINNENG RAIL TRANSIT EQUIP TECH CO LTD

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

Mounting method and mounting equipment for steel coil trolley track

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.
Owner:SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD

Railway line automatic ballast filling device, system and integrated operation vehicle

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.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

A suspended track laying device and its usage method

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

Adjustable measuring frame for subway track construction

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.
Owner:CHINA RAILWAY 19TH BUREAU GROUP SIXTH ENGINEERING CO LTD

Rail collection and replacement operation system and operation method

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.
Owner:CRCC HIGH TECH EQUIP CORP LTD

Method and device for compacting under track sleepers

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).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH

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 unit for tamping a track

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).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH

Extrusion grinding device for steel rail welding seam shaping and control method of extrusion grinding 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.
Owner:CHENGDU IND VOCATIONAL TECHN COLLEGE

Machine comprising a ballast receiving apparatus

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).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH

Rail storage system

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.
Owner:HET ELASTOMERTECHN

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

PCT designated stageWO2026125433A1BallastwayTrack superstructure
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

Rail collecting vehicle working arm and rail collecting vehicle

The present invention provides a working arm of a rail collecting vehicle and a rail collecting vehicle. The working arm of the rail collecting vehicle includes a working arm body and a supporting device. The supporting device has a supporting assembly and a driving assembly. The supporting assembly includes a supporting wheel unit and two retractable supporting arms. The two supporting arms are respectively arranged on opposite sides of the working arm body, and the supporting arms are fixedly connected to the working arm body. The supporting wheel unit includes a connecting frame and a supporting wheel arranged on the connecting frame. The bottom ends of the two supporting arms are connected to the connecting frame. The driving assembly includes a first driving unit and a second driving unit. The first driving unit is connected to the two supporting arms and is used to drive the two supporting arms to synchronously extend or shorten in the vertical direction. The second driving unit is connected to the connecting frame and is used to drive the supporting wheels to move horizontally along the axial direction of the supporting wheels relative to the connecting frame. The present invention can facilitate operation on curved rails.
Owner:CRRC SHENYANG CO LTD

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

The application relates to a height fine adjustment mechanism suitable for super-high sections, which comprises a height fine adjustment arm, a height fine adjustment sleeve suitable for being screwed with a height adjustment screw rod on a rail row, a first height driving unit for driving the height fine adjustment arm to rotate around a vertical rotating shaft, and a second height driving unit for driving the height fine adjustment sleeve to rotate, and the second height driving unit is arranged on the height fine adjustment arm; the vertical position of the height fine adjustment sleeve is adjustable. In addition, the application also relates to a rail row fine adjustment vehicle adopting the height fine adjustment mechanism and a rail row fine adjustment method based on the rail row fine adjustment vehicle. The vertical position of the height fine adjustment sleeve is designed to be adjustable, the height fine adjustment mechanism can adapt to the rail row fine adjustment operation of different height positions and the rail row fine adjustment operation of curved sections by dynamically adapting the vertical position of the height fine adjustment sleeve to the position of the rail row, and the height fine adjustment mechanism can improve the rail row fine adjustment efficiency and adjustment precision.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD +1

Normalizing device for flute welds

This invention relates to the field of rail processing equipment, specifically to a normalizing device for grooved rail frog welds. The device includes a mounting bracket, a crossbeam, an induction electrode, and an induction coil. The crossbeam is rotatably connected to the mounting bracket, and the induction electrode is connected to the crossbeam. The induction coil is connected to the induction electrode and is used to be fitted onto the weld joint between the connecting rail and the frog core, and is used to heat the connecting rail and the frog core. This normalizing device for grooved rail frog welds can reduce the labor intensity of workers, improve the heating quality after welding, and avoid uneven heating. It can thus increase the heating temperature, avoid poor weld grain size and reduced toughness, and also prevent uneven surface hardness near the grooved rail frog weld due to uneven heating.
Owner:CNR BEIJING RAIL EQUIP

Device for positioning track processing tools on a track

The invention relates to a device (3) for positioning track processing tools (2) on a track, the device comprising: at least two support modules (29, 30), each having at least one tool support (31a, 31b) for supporting the at least one track processing tool (2), and a horizontal positioning apparatus (32) to which the at least one tool support (31a, 31b) is attached, for moving the at least one tool support (31a, 31b) in a horizontal direction (33a); a rotating apparatus (24) for rotating the at least two support modules (29, 30), wherein the rotating apparatus (24) has at least two rotating units (25, 26) for rotating the at least two support modules (29, 30) independently of one another; and a first transverse positioning apparatus (16) for linearly moving the at least two support modules (29, 30) in a horizontal direction (33a, 33b, 33c) and at an angle of at least 45° to the longitudinal direction (9) of the track (4).
Owner:PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH

Railway operating device circular circulation system and operating method

The present invention relates to a circular circulation system and operation method for railway operating devices, comprising an engineering operation vehicle frame and a lower support mechanism, wherein the lower middle portion of the engineering operation vehicle frame is supported by the lower support mechanism; the engineering operation vehicle frame operates on rails as the support framework for the entire circulation system; a circular lowering mechanism is fixedly mounted at the front end of the vehicle frame, which, through circular transport, steadily transports the operating device above the front end of the vehicle frame to a lower position; a circular lifting mechanism is mounted at the rear end of the engineering operation vehicle frame, which, through circular transport, steadily lifts the operating device below the rear end of the vehicle frame to an upper position; an upper horizontal conveying mechanism is mounted above the middle portion of the engineering operation vehicle frame, which lifts the operating device from the rear end of the frame by the circular lifting mechanism and horizontally transports it to the front end of the vehicle frame, and then continues the next cycle. The circulation system and operation method of the present invention can significantly reduce the labor demand in line maintenance operations, reducing labor costs while improving operation safety.
Owner:CRCC HIGH TECH EQUIP CORP LTD

Subway track column pouring hopper

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