1647results about "Ballastway" patented technology

The invention provides an integrally-formed synthetic sleeper, a preparation process and a preparation device.The integrally-formed synthetic sleeper comprises a polyurethane resin matrix, continuous glass fibers are longitudinally arranged in the polyurethane resin matrix and used for longitudinal reinforcement of the synthetic sleeper, and a reinforcement layer composed of glass fiber fabric and polyurethane resin is arranged on the surface of the polyurethane resin matrix. The thickness of the reinforcing layer is 1 to 10 mm; the overall density of the synthetic sleeper is 0.64-1.4 g / cm < 3 >, and the polyurethane resin accounts for 35-50% of the total weight of the synthetic sleeper; the continuous glass fiber accounts for 35-60% of the total weight of the synthetic sleeper, and the glass fiber fabric accounts for 3-10% of the total weight of the synthetic sleeper; the overall strength of the composite sleeper can be remarkably improved, and transverse cracking is avoided; vOC generated in the production process of the synthetic sleeper and solid waste pollution caused by polishing are reduced.

The invention discloses a construction method for a ballastless track of a steel base plate bearing rail table type. The construction method comprises the following steps: collecting midline mileage data of a double-block sleeper on site, synchronously widening a transition area track bed, determining the geometric dimension of a steel base plate, carrying out in-plant finish machining, synchronously arranging the steel base plate bearing rail table, calculating coordinates and carrying out on-site lofting. Drilling a track bed in the transition area and arranging a track bearing table; shifting and connecting steel rails in a transition area; track fine adjustment and operation maintenance; the steel rail is shifted back to a main line; dismantling the temporary line; repairing the existing ballast bed and the waterproof layer; the invention relates to the technical field of railways. The method solves the problem that a ballastless track structure is difficult and complex to access a new line.

The utility model relates to turnout tamping equipment suitable for local operation, which comprises an upper track frame and a walking frame, the upper track frame is detachably connected with the walking frame, and the walking frame can translate on a railway track; the walking frame and the upper track frame respectively comprise tracks capable of being in butt joint so that a tamping machine body can be transferred to the walking frame from the upper track frame to conduct tamping operation. By arranging the upper track frame detachably connected with the walking frame and combining the tracks which are arranged on the walking frame and the upper track frame and can be in butt joint, the tamping machine body can be transferred to the walking frame from the upper track frame to conduct tamping operation. By means of the arrangement of the upper track frame, on one hand, the whole machine can be assembled more conveniently, on the other hand, the operation intensity of manually carrying the tamping machine body can be reduced, after the upper track frame and the walking frame are assembled, the upper track operation of the tamping machine body can be completed only in a manual inclined pushing mode, and the operation efficiency is greatly improved.

The utility model discloses an electrically-driven double-sleeper tamping device and a tamping operation control method, relates to the field of railway line maintenance and aims to solve the problem that a double-sleeper tamping device cannot quickly change the rotating speed of an eccentric shaft to adjust the vibration frequency, a lifting driving device is arranged at the top of a box body, and a guide column penetrates through the box body in the height direction of the box body. The vibration driving mechanism comprises a first motor and a second motor which are symmetrically arranged on the two sides of the box body, the output end of the first motor is connected with a first eccentric shaft, the output end of the second motor is connected with a second eccentric shaft, and the first eccentric shaft and the second eccentric shaft are both installed on a bearing seat of the box body through bearings. One end of the opening-closing driving device is connected with the first eccentric shaft and the second eccentric shaft through bearings, the other end of the opening-closing driving device is connected with the pickaxe arm through a pin shaft, the pickaxe arm is hinged to the box, a tamping pickaxe is arranged at the bottom of the pickaxe arm, and the lifting driving device, the vibration driving mechanism and the opening-closing driving device are all connected with the control device.

The invention discloses a three-dimensional protective bamboo composite sleeper and a manufacturing method thereof. The manufacturing method comprises the steps that S1, raw bamboos are processed into radial bamboo skin units; s2, the radial bamboo skin units which are not subjected to rolling or rolling treatment are subjected to glue applying treatment, and after glue draining, the radial bamboo skin units are dried to obtain glue; s3, the glued and dried radial bamboo skin units are assembled and pressed, and a pressed blank is obtained; s4, the pressed blank is cured, and a bamboo sleeper blank is obtained; s5, the bamboo sleeper blank is machined into the target size and shape, and a bamboo sleeper base body is obtained; and S6, the bamboo sleeper base body is directly subjected to protection treatment without nicking treatment, and the three-dimensional protection bamboo composite sleeper is obtained. The radial bamboo skin units which are not subjected to rolling or rolling treatment are used as raw materials, gaps are formed between the radial bamboo skin units during assembly and pressing, protective paint can permeate conveniently, the protection durability is improved, the cost is reduced, protection treatment is not needed after special nicking treatment, and the manufacturing process is simpler.

The utility model relates to the technical field of construction engineering construction, in particular to a novel plate type ballast bed structure in mortise and tenon connection, which comprises a modularized left side plate, a middle plate and a right side plate, and the middle plate is connected with the left side plate and the right side plate in a mortise and tenon mode. The number of the shear hinges is matched with that of the mortise and tenon joints, and the two ends of the shear hinges are connected with the outer sides of the mortise and tenon joints respectively. The assembly type plate-type ballastless track structure has the advantages that the assembly type plate-type ballastless track structure is easy to disassemble and assemble, easy to maintain and repair and convenient to maintain and replace, and the service life of the assembly type plate-type ballastless track structure is prolonged; during replacement and maintenance, the operation process is rapid and simple, skylight time is effectively utilized for construction, and driving in the next day is not affected; stable connection is formed by adopting a tenon-mortise structure, so that the prefabricated track plate structure is firmer and more reliable, and the stability of the track structure is ensured; the original structure is not affected after maintenance and replacement, and safety and reliability are achieved.

The invention discloses a trapezoidal sleeper system with a preassembled limiting frame and a construction method thereof.The system comprises a novel trapezoidal sleeper and the preassembled limiting frame, the preassembled limiting frame is formed by prefabricating reinforced concrete, and the novel trapezoidal sleeper cancels a traditional limiting boss and a buffer pad pasted to the outer side of an original limiting boss and the outer side of a longitudinal beam; left and right outer side blocking shoulders of the ballast bed are correspondingly canceled; the connecting steel pipes are wrapped with concrete blocks, and buffering pads are pasted on the concrete blocks and the inner sides of the adjacent longitudinal beams. The prefabricated limiting frames are located at the ends of the trapezoidal sleepers, specifically located on the inner sides of the two longitudinal beams and also located between the outer wrapped concrete cross beams of the two trapezoidal sleepers, and therefore the novel trapezoidal sleepers are limited through the prefabricated limiting frames. In the construction process, the limiting frames and the trapezoidal sleepers are pre-assembled into a whole, the limiting frames have the mold effect during cast-in-place, concrete is cast in the limiting frames at the ends of the trapezoidal sleepers, the limiting frames and the ballast bed are cast into a whole, and the limiting piers are formed.

The invention provides an automatic ballast raking device for a railway ballast track. The device comprises an automatic walking module, a line state sensing module, a railway ballast cleaning module, a ballast raking module and an operation control system, wherein the railway ballast cleaning module is used for cleaning railway ballast covering the end part of a sleeper, the middle part of the sleeper and the surface of a fastener through a sweeper; sleeper end images are shot in real time through a visual sensor, a line state sensing module collects three-dimensional point cloud data of a ballast bed and the surrounding environment through a laser radar, and an operation control system recognizes the positions of sleepers according to the received sleeper end images and extracts the distance between the sleepers and the position of a sleeper box area. And according to the received ballast bed point cloud data, identifying and modeling a ballast bed profile before operation, calculating ballast raking amounts and ballast raking directions at different positions, and generating an operation mode and operation parameters. According to the device, automatic obstacle avoidance in the walking process is achieved, and self-adaptive adjustment and accurate control of operation parameters are achieved according to the track bed profile. Manual intervention is not needed in the whole operation process.

The present invention belongs to the field of railway technology, and discloses a slab ballastless track and adjustment method that adapts to foundation deformation, comprising: a base, on which a limiting boss is cast; a prefabricated track plate, a long rectangular hole opened in the middle, and two limiting bosses embedded on both sides of the corresponding long rectangular hole; a cover plate, which covers the long rectangular hole; a stacked height adjustment layer, which is pressed between the base and the prefabricated track plate; a filling adjustment layer, which is pressed between the base and the height adjustment layer; a horizontal adjustment layer, which is pressed between the limiting boss and the long rectangular hole; and a plurality of anti-movement limiting plates, which are installed on two opposite side walls of the prefabricated track plate to prevent the height adjustment layer from moving out laterally. The present invention solves the problem of insufficient deformation adjustment capacity of existing ballastless tracks when the offline foundation undergoes large deformation, and can be applied to the construction of ballastless tracks in complex geological sections and the treatment of defects caused by foundation deformation of operating lines.

The invention discloses a trapezoidal sleeper track integrated construction method, and relates to the technical field of track construction, the method comprises the following steps: assembling a steel rail, a fastener and a trapezoidal sleeper into a track panel to be treated according to the length requirement of the track panel, and binding a track bed reinforcing mesh; a to-be-processed rail row is placed above the elastic vibration reduction parts of the trapezoidal sleepers, the prefabricated base sleepers are placed below the trapezoidal sleepers, the trapezoidal sleepers and the prefabricated base sleepers are fixed through angle steel or bolts to form an assembly structure, and the assembly structure and a ballast bed reinforcing mesh are bound and connected to obtain a to-be-processed device; and after the to-be-machined device is conveyed to the laying position of the construction working face, ballast bed pouring treatment and ballast bed formwork removal treatment are conducted, and construction is completed. The prefabricated foundation sleeper structure is introduced between the ballast bed and the trapezoidal sleeper, the prefabricated foundation sleeper and the ballast bed are bound through the reserved steel bars, the trapezoidal sleeper is directly arranged on the prefabricated foundation sleeper and does not need to participate in the ballast bed pouring process, the construction efficiency can be improved, and it is guaranteed that the damping effect of the trapezoidal sleeper is effectively exerted.

The utility model provides a railway non-buried subgrade pile-slab structure of underpass highway bridge, including: two rows of pile foundations, set up in the top of two rows of pile foundations, lay on the support beam on the bearing plate and set up in the ballastless track structure on the bearing plate, the two rows of pile foundations are correspondingly set up along railway subgrade and pass through highway bridge down, the ballastless track structure is set up in the ballastless track structure, the ballastless track structure is set up on the ballastless track structure, the ballastless track structure is set up on the ballastless track structure, the ballastless track structure is set up on the ballastless track structure. Wherein the pile foundations located below the highway bridge are arranged between the existing bridge piers; the two ends of each joist are arranged on the opposite pile foundations of the two rows of pile foundations; the bearing plate is used as the railroad bed and is arranged corresponding to the two rows of pile foundations; and each bearing plate is arranged corresponding to the ballastless track structure. By means of the roadbed structure, the problems that effective clearance of an existing roadbed structure is prone to being limited, the construction period is long, and additional settlement deformation is generated due to the fact that a fill roadbed generates additional loads on existing highway bridge piers can be solved.

An integrally formed tool arm for a power cutter, the tool arm comprising a first aperture (310) for receiving a motor axle, a second aperture (320) for receiving a tool axle of a rotatable work tool, wherein the first aperture (310) and the second aperture (320) are intersected by and orthogonal to a longitudinal extension axis of the tool arm, the tool arm further comprising first rail cutting accessory attachment means (330) arranged to receive a rail cutting accessory, wherein the first rail cutting accessory attachment means (330) is arranged offset from the longitudinal extension axis of the power cutter arm.

The present invention belongs to the technical field of rail transit, and discloses a beam-type ballastless track with steel guard plates, comprising: a track support base, which includes: two truss pedestals and a steel bar truss. The two truss pedestals are connected by the steel bar truss. A limit boss and two steel guard plates are fixed at the top of the truss pedestal, and a lateral limit cushion block is filled between the steel guard plate and the limit boss; a track beam, the two ends of which are respectively abutted against two adjacent limit bosses. Two longitudinally arranged continuous shoulders are provided on the top surface of the track beam, and the length of the continuous shoulder is equal to that of the track beam; a beam-end composite energy-absorbing and adjusting cushion plate, which is installed in the gap between the end of the track beam and the limit boss; a sub-beam support vibration-damping and adjusting cushion plate, which is crimped between the bottom end surface of the end of the track beam and the top surface of the truss pedestal. The present invention can not only meet the strict requirements of high-speed railways for safety, smoothness and stability, but also effectively prevent the train from tipping over and running out of the line under emergency conditions such as derailment, reducing casualties and property losses.

The concrete sleeper maintenance equipment comprises a vehicle body and an oil containing barrel installed on the vehicle body, an oil coating barrel is arranged on the vehicle body and communicates with the oil containing barrel through an oil conveying pipe, an oil coating opening matched with a bolt is formed in the bottom of the oil coating barrel, and a blocking plate is arranged on the side, close to the oil coating opening, in the oil coating barrel; a plurality of annular oil outlets are formed in the blocking plate, a piston plate located on the side, close to the oil coating opening, of the blocking plate is arranged in the oil coating barrel, a first oil outlet channel is formed in the middle of the piston plate, a second oil outlet channel is reserved between the outer wall of the piston plate and the inner wall of the oil coating barrel, and piston rods penetrating through the oil outlets are arranged on the piston plate. A blocking plate capable of blocking the oil outlet is arranged at the end, away from the piston plate, of the piston rod. Anti-rust oil can better enter hidden gaps in the bolt and the elastic strip, and the bolt on the sleeper can be conveniently maintained.

The invention relates to an intelligent detection method and system for the compactness of a railroad bed, and belongs to the technical field of railroad bed construction.The intelligent detection method for the compactness of the railroad bed comprises the steps that meshing processing is conducted on a target compaction area; when the road roller carries out compaction, the compaction performance index of the current compaction grid is obtained; judging whether the compaction performance index is smaller than a target compaction performance index or not; if yes, triggering back pressure processing; if not, obtaining a uniformity index of the current compaction grid; judging whether the uniformity index is smaller than a target uniformity index or not; if yes, triggering an abnormal mark; in the compaction process, whether the abnormal mark continuously appears L times or not is judged; and if yes, triggering local replacement filling early warning. The method has the beneficial effects that the compaction detection efficiency is improved, and the safety of railway operation is improved.

The invention discloses a linear control method and system for ballastless track laying of a large-span highway-railway dual-purpose steel truss girder cable-stayed bridge. The linear control method comprises the steps that (1) a large-span highway-railway dual-purpose steel truss girder cable-stayed bridge monitoring system is constructed; (2) establishing a fine analysis model of the large-span highway-railway dual-purpose steel truss girder cable-stayed bridge; (3) analyzing the influence of the upper-layer road load on the line shape of the lower-layer railway track; (4) arranging a CPIII accurate measurement network, and establishing a CPIII accurate measurement network real-time correction and prediction model; (5) adjusting the cable, and preliminarily correcting the line shape of the beam surface; (6) constructing other ancillary facilities on the bridge except the track step by step, and establishing a mapping relation between a second-stage dead load and a bridge floor line shape; (7) ballastless track construction on the bridge; and (8) carrying out track laying linear acceptance. In the construction process, various factors influencing the line shape of the large-span bridge track are fully considered, a monitoring system and theoretical analysis are integrated, various construction measures are taken simultaneously, and the line shape precision of laying of the ballastless track of the large-span highway-railway dual-purpose steel truss girder cable-stayed bridge is guaranteed.

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 invention relates to a ballastless track bridge line shape adjusting method which comprises the steps that in the ballastless track bridge construction process, the bridge line shape before track plate base construction is accurately measured, and the actual bridge line shape is obtained; if the actual line shape of the bridge does not meet the design line shape requirement, the design width needed by a leveling layer is determined according to the width of a track plate base in the transverse bridge direction, and the design elevation needed by the top face of the leveling layer is determined according to the bridge span, the type of a main beam and the design elevation of the top face of the main beam; and on the basis of the design width required by the leveling layer and the design elevation required by the top surface of the leveling layer, concrete is poured on the top surface of the main beam to form the leveling layer. Through the method, the deviation between the actual line shape and the designed line shape of the bridge can be effectively compensated, it is ensured that the actual line shape of the bridge meets the line shape design requirement, and the flatness of a bridge floor is remarkably improved.

The invention discloses a track plate adjusting device which comprises a base template, a plurality of embedded pipes are symmetrically arranged on the two sides of the base template, a track top template is positioned and placed on the base template, and a plurality of sprue gates are formed in the middle of the track top template. The self-compacting side formworks are located at the abutted seam positions between the track top formwork and the base formwork, the track top formwork, the base formwork and the self-compacting side formworks are fixed through the anti-floating adjusting mechanism, and the control system is electrically connected with the anti-floating adjusting mechanism. In the using process of the adjusting device, through the design of the anti-floating adjusting mechanism, the mold closing precision among the track top mold plate, the base mold plate and the self-compacting side mold plate is kept, the mold closing integrity and stability are enhanced, the track top mold plate can be prevented from floating and shifting in the pouring process, and therefore the ballastless track pouring quality is ensured, and the production efficiency is improved. And the ballastless track construction efficiency is greatly improved.

The invention relates to high-speed rail track design and matching thereof, in particular to a controllable ballastless track module and a track assembly. The ballastless track module comprises a transverse sleeve rod, two symmetrical notches are formed in the transverse sleeve rod, and the transverse sleeve rod is divided into two side sections and a center section through the notches; the inner rod comprises a movable rod body and two mounting grooves which are formed in the movable rod body and open upwards, the mounting grooves are formed in the positions corresponding to the notches so that the movable rod body can be partially exposed out of the notches, and the rails can be clamped in the mounting grooves; the fine adjustment devices are connected to the ends, away from each other, of the two side sections respectively, each fine adjustment device comprises a fixing mechanism, a vertical positioning mechanism and a transverse adjustment mechanism which can be independently disassembled and assembled, and the transverse adjustment mechanisms are arranged in the side sections and connected with the movable rod body; the movable rod body can be driven by the transverse adjusting mechanism to adjust the transverse position of the rail, and the vertical adjusting mechanism is connected with the fixing mechanism and the edge section so that the height of the edge section can be adjusted.

The utility model provides an automatic installation device for an embedded sleeve. The automatic mounting device for the embedded sleeve comprises a bottom plate, a supporting frame is fixedly connected to the top of the bottom plate, and a supporting table is fixedly connected to the top of the bottom plate. According to the automatic installation device for the embedded sleeve, the PLC is arranged, when track plates are produced and machined, the plates and the sleeve are put to the top of the first conveying belt and the top of the second conveying belt respectively, at the moment, the infrared sensor and the PLC are started, the infrared sensor can monitor the positions of the plates, and therefore the positions of the plates can be monitored. At the moment, the PLC can drive the clamping cylinder to be connected to the outer portion of the sleeve in a sleeving mode through the robot arm for clamping, then the robot arm drives the sleeve to be connected to the top of the plate in a sleeving mode, at the moment, the PLC can control the first motor to start to tighten the sleeve, and therefore the automatic installing and fixing effect of the sleeve is achieved; therefore, the installation convenience of the sleeve is improved.

The invention relates to the technical field of rail laying, in particular to a sleeper laying device for rail transit, which comprises a rail and a sleeper body, and further comprises a plurality of ballast poking plates, and the plurality of ballast poking plates are arranged below the sleeper body. A plurality of ballast poking plates are automatically driven to move through the ballast poking assembly, railway ballast below a sleeper body can be rapidly and efficiently poked aside and poked out, an old sleeper is made to be suspended, the speed is much higher than that of pure manual ballast poking through tools such as shovels, the replacement time of a single sleeper is remarkably shortened, the shorter skylight period is provided for line maintenance, and the production efficiency is improved. The whole process is mainly completed by a mechanical device, operators only need to control equipment, physical output of workers is greatly reduced, the workers are prevented from carrying out high-strength repeated excavation and prying operation between the position below heavy sleepers and rails, safety risks such as muscle strain and collision injury are reduced, and operation safety is improved.

The invention discloses railway construction gravel laying and leveling equipment which comprises a loading box, a plurality of first discharging pipes, two second discharging pipes, two leveling mechanisms, two transmission assemblies, two driving mechanisms and two cleaning assemblies. The two second discharging pipes are arranged below the loading box in the length direction of the loading box, and the two leveling mechanisms are arranged on the corresponding sliding plates correspondingly. The two transmission assemblies are connected with the corresponding leveling mechanisms correspondingly. The driving mechanisms are arranged at the bottom of the loading box, and the two driving mechanisms are connected with the corresponding transmission assemblies correspondingly. The cleaning assembly is arranged at the tail of the loading box. Therefore, in the gravel laying process, gravel leveling operation is conducted synchronously, operation is easy and convenient, follow-up working steps are effectively reduced, and the overall gravel laying efficiency is remarkably improved. And meanwhile, broken stones on the two sides of the rail can be cleaned in time, and the safety and reliability of rail operation are further ensured.

This invention discloses a railway sleeper surface roughness treatment device and method, relating to the field of railway sleeper surface treatment technology. Key technical features include an installation area, with a traction component installed on one side of the upper end of the installation area, and a railway sleeper conveying component installed on the other side of the upper end of the installation area. A water spraying component is installed at the upper end of the installation area, outside the railway sleeper conveying component. The water spraying component includes two symmetrically installed installation boxes at the top of the installation area, with a protective cover between the two installation boxes. Two hydraulic rotating heads are installed inside the installation boxes, with a rotating disk at one end of each hydraulic rotating head and multiple nozzles installed at the other end of the rotating disk. The technical advantage of this design is that it uses a continuous conveying and processing method to treat the surface roughness of the railway sleeper body, improving overall production efficiency.

A processing device (22) for performing track work comprises a support frame (26) with a first support frame end (34) and a second support frame end (35), as well as at least one multi-axis robot (27, 28) arranged on the support frame (26) for performing the track work. The processing device (22) further comprises a positioning device (24) for positioning the second support frame end (35), which is arranged on a first rail chassis (9), and a pivoting device (25) for pivoting the first support frame end (34), which is arranged on the first rail chassis (9). This allows the support frame (26) to be aligned relative to a second rail chassis (16) in a simple, flexible, and reliable manner when moving from a transport position to a working position.

The invention discloses an assembly type tunnel structure suitable for existing operation line reconstruction and a construction method, and relates to the technical field of rail transit, the assembly type tunnel structure comprises a plurality of symmetrical prefabricated pile foundations, the tops of the prefabricated pile foundations are connected with prefabricated bearing platform beams, and the tops of the prefabricated bearing platform beams are connected with a plurality of prefabricated reinforced concrete secondary lining straight walls; prefabricated drainage side ditches are arranged on the inner sides of the prefabricated bearing platform beams, an existing line rail assembly is arranged between the two sets of prefabricated drainage side ditches, and the top of the prefabricated reinforced concrete secondary lining straight wall is connected with an arc-shaped prefabricated cavity thin-wall arch crown component. Under the condition of not interrupting the operation of the existing line, on the basis that the line operation function can be continuously played, the transformation construction can be rapidly completed, and the influence period of the transformation construction is shortened.

A high-speed railway roadbed bridge transition section smoothness control and repair method is characterized in that a supporting body is arranged on the back of a bridge bearing platform to provide a supporting foundation for a smoothness adjusting plate, the arrangement of the smoothness adjusting plate solves the problem that the most unfavorable slab staggering deformation is formed between a bridge and a roadbed, and the smoothness adjusting plate is arranged about 1 m below the surface of the roadbed. The unfavorable deformation is obviously weakened or is not influenced when being reflected to the subgrade surface, the flexible filling body is arranged to prevent the subgrade structure at the upper part of the smooth adjusting plate from being cracked, damaged and arched upwards when the smooth adjusting plate is warped and deformed, and the soil pressure box and the grouting pipe are fixedly connected to the bottom of the smooth adjusting plate; the supporting range of the smooth adjusting plate can be judged, grouting filling reinforcement conditions are provided for multiple times of supporting, and the supporting beams provide lifting conditions for settlement deformation of a roadbed surface; the roadbed bridge transition section smoothness control and repair method has the advantages of being simple in construction, free of bridge and road deformation and slab staggering, easy in deformation overrun repair, economical, environmentally friendly, good in railway smoothness maintaining effect, beneficial to application and popularization and the like.

The application discloses a track with adjustable vertical linear rail beam and a construction method thereof. The track comprises two parallel steel beams, and the top of the steel beam is provided with an adjustable low beam. The adjustable low beam is a vertically adjustable beam. The opposite side walls of the adjustable low beam are guide walls, and the guide walls are in contact with guide wheels of a cloud bus rubber-tyred tramcar. The construction method comprises the following steps: processing the steel beam; marking the threaded steel bolt; welding the threaded sleeve; welding the top steel plate and the threaded steel bolt; adjusting the position of the steel beam; welding the steel beam and the threaded steel bolt; hoisting; linear adjustment of the two-way steel mesh construction; installation and reinforcement of the outer side formwork; installation and reinforcement of the inner side formwork; and installation and reinforcement of the inner side formwork. The application can adjust the vertical linear rail beam body, reduces the difficulty of linear rail beam body adjustment before operation, is convenient to construct, has low cost, increases the overall rigidity of the rail beam, and improves the train driving comfort.

A track maintenance machine for stabilizing a ballast bed of a track after a tamping operation, includes a machine frame mobile on on-track undercarriages and a stabilizing unit which has rollers for gripping a track grid and a vibration generator for actuating the track grid with a vibration. A clearing device is disposed at both longitudinal sides of the track maintenance machine in front of the stabilizing unit with regard to a working direction. Each respective clearing device includes a clearing tool which can be lowered into the ballast bed to remove ballast from a respective sleeper-end region. Thus, preconditions are created by using the stabilizing unit to achieve an increased lowering of the track grid as compared to a normal stabilizing procedure. A method for operating a track maintenance machine is also provided.