604results about "Ballastway" patented technology

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.

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.

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 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.

The invention relates to a road snow melting device as well as a preparation method and application thereof. The road snow melting device comprises a stable base layer and a thermal resistor, the stable base layer comprises an energy storage body, and the energy storage body can play a structure supporting role; the energy storage body is connected with external electric energy and the thermal resistor through wires. The preparation method of the energy storage body comprises the following steps: preparing cement-based printing slurry; filling the cement-based printing slurry into a 3D printing device, and stacking layer by layer to form a printing body; curing, maintaining, trimming and drying the printing body, and immersing the printing body into a soluble alkali / salt solution to obtain a cement-based electrolyte; a soluble alkali / salt solution is dropwise added to the surface of the electrode, then the electrode and the cement-based electrolyte are stacked and assembled, and an assembly is obtained; sealing and packaging the assembly body to obtain an energy storage body; a printing interlayer interface of the cement-based electrolyte has a directionally arranged pore structure, the pore diameter is 0.5-20 microns, and the porosity is 10-50%; and the hole orientation of the hole structure is consistent with the ion migration direction between the electrodes.

The present invention relates to the field of tram track laying construction. Disclosed is a method for laying a jointed ballasted track for trams on small-radius curves. In the method, by adjusting and fixing track alignment before ballast laying and track finishing, the conventional construction sequence of ballast laying and track finishing is changed, track lifting and alignment adjustment for small-radius curves are carried out prior to ballast laying and tamping, and during track laying, sleepers are densely arranged at rail joints, and concrete buttresses are added beside the sleepers to secure the sleepers in place and counteract the bending stress of rails, ensuring precise control of track alignment and elevation on the small-radius curves, and realizing laying of the jointed ballasted track for trams on the small-radius curves. After construction, ballast laying and track finishing on the small-radius curves can meet track operation requirements in a single pass, ensuring smooth and safe tram operation.

The invention belongs to the technical field of construction data processing, and particularly discloses a cast-in-place roadbed slab type ballastless track construction maintenance method and device and a medium. The method comprises the steps that a sensor array is arranged on the interface of a track slab and base soil, interface stress waveform data and track slab deformation time sequence data are collected, and the interface stress waveform data and the track slab deformation time sequence data are obtained; inputting a soil body state reconstruction model to generate a basement soil plastic strain distribution diagram, identifying a stress concentration area according to the basement soil plastic strain distribution diagram, and calculating the area and the average plastic strain value of the stress concentration area; the fluidity and expansion rate parameters of the repairing slurry are output through the self-adaptive burdening decision model, the slurry is prepared according to the parameters, and grouting holes are drilled in the corresponding areas for grouting; after grouting is completed, data are collected again to verify whether the plastic strain is lower than a set threshold value or not, and the process is repeated till all the areas reach the standard. According to the invention, integrated control of accurate sensing and self-adaptive repairing of the stress state of the ballastless track base soil is realized.

The invention discloses railway ballast cleaning equipment, and relates to the technical field of railway ballast maintenance, the railway ballast cleaning equipment comprises a rack, a raking chain, a ballast lifting device and a driving mechanism, the railway ballast cleaning equipment further comprises a cleaning vehicle, the cleaning vehicle is arranged on a track and comprises a chassis and a cleaning frame, and the lower part of the cleaning frame is fixedly connected with an impurity collecting hopper and a backfilling hopper in sequence from a feeding end to a discharging end; a vibrating mechanism and a transmission mechanism are arranged on the screen cleaning frame, a clutch mechanism is arranged between the transmission mechanism and the driving mechanism, and a connecting mechanism is arranged between the support and the rack. The purposes of excavating, conveying, cleaning and backfilling railway ballasts can be achieved, closed-loop operation is formed in the whole cleaning work, the automation degree of the whole cleaning work is improved, additional matched equipment is not needed any more, the cleaning efficiency is effectively improved, the purpose of auxiliary cleaning of the upper surfaces of sleepers can be achieved, and the labor intensity of workers is reduced. Therefore, impurities remaining and attached to the upper surface of the sleeper are removed, and the screen cleaning work is more thorough.

The elastic wide sleeper comprises a sleeper body, the sleeper body comprises a sleeper middle part and sleeper edge parts symmetrically distributed on the two sides of the sleeper middle part, rail bearing tables are arranged on the sleeper edge parts, rail bearing grooves are formed in the rail bearing tables, the top face of the sleeper middle part is a plane, and the plane is as high as the bottom ends of the rail bearing tables on the two sides; the pillow middle part and the pillow edge parts are equal in width, and the width is larger than 500 mm. According to the elastic wide sleeper, the problems that in the prior art, stress of a sleeper and a ballast bed is concentrated, frequent maintenance and repair are needed, and the operation cost is large are solved, and the purposes of reducing the maintenance and repair frequency of a track line and reducing the operation cost are achieved.

The utility model belongs to the field of tracks, and discloses a drainage type ballastless track bed structure which comprises a ballastless track bed main body, drainage mechanisms are arranged on the two sides of the ballastless track bed main body, and each drainage mechanism comprises a drainage channel, a water conveying pipe, a drainage pump and a pressurization drainage pipe, so that an efficient drainage system is formed, and the drainage capacity of a ballastless track bed can be remarkably improved. The drainage grooves formed in the bottoms of the rails are communicated with the drainage channels, and rapid drainage of accumulated water can be promoted; when the hourly rainfall is too large, the drainage pump is started, accumulated water is rapidly drained through the drainage groove, the drainage channel, the water conveying pipe and the pressurization drainage pipe in sequence, the problem that the accumulated water in the ballastless track bed structure cannot be rapidly drained is effectively solved, and therefore safe operation of a train on the ballastless track bed structure is guaranteed. And the occurrence risk of safety accidents such as train derailment is reduced.

The utility model relates to the technical field of railway line measurement, in particular to a double-block type ballastless track detection device which comprises a mounting plate and a prism assembly mounted in the middle of the upper plate surface of the mounting plate, clamping assemblies used for clamping sleeper grooves are arranged at two ends of the mounting plate, and the two clamping assemblies are arranged side by side at intervals and are rotationally and symmetrically arranged; the clamping assembly comprises a door frame plate, the door frame plate comprises a cross arm part fixed to the lower plate face of the corresponding end of the installation plate and two vertical supporting parts arranged at the two ends of the cross arm part respectively, and a sliding rod capable of being telescopically positioned in the direction of the cross arm part is installed at the bottom end of one vertical supporting part. A first supporting piece and a second supporting piece which are used for supporting the two side walls of the sleeper groove in an abutting mode are fixed to the outer end of the sliding rod and the outer side of the bottom end of the other vertical supporting part respectively. The detection device can efficiently detect the sleeper in a prism detection mode.

The utility model discloses a small railway slope shaping ballast collecting machine which mainly comprises a ballast collecting device, a steering device and an on-line walking device, the ballast collecting device is a three-free-plane connecting rod mechanism, and a hydraulic system of a rotating arm hydraulic cylinder, an extending arm hydraulic cylinder and a translation hydraulic cylinder adopts an oil inlet path throttling speed regulation loop. The rotation of the rotating arm and the extending arm and the linear movement of the bale collecting device along the SBR guide rail can be achieved, the bale collecting rake is installed at the tail end of the extending arm, the upper rotating disc is installed at the bottom of the upper bottom frame through screws and connected with the lower rotating disc through the rotating shaft, the bale collecting device rotates by 180 degrees by pushing the upper rotating disc with hands, and the servo motor and the secondary gear reducer are installed on the bracket. The walking wheels are installed on the transmission shaft, the servo motor drives the two-stage gear reducer and the transmission shaft to move, the walking wheels can walk on the steel rail, and the gasoline engine generator provides power for the ballastless track collecting machine. The device is simple in structure, easy to operate, safe, reliable, capable of reducing labor intensity and high in efficiency.

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.

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

A method and system for determining the thickness of a cushion layer of a ballastless track of a cable-stayed bridge, the method comprising: after closure of the bridge, measuring the beam surface elevation of each preset measuring point under the condition that the bridge deck is free of temporary load; formulating the target value of the top surface elevation of the cushion layer of each preset measuring point according to the bridge secondary dead load, the target track alignment and the cable adjustment scheme; applying a uniform load at each preset measuring point, and constructing a top surface elevation calculation matrix of the cushion layer in combination with the uniform load, the design thickness of the cushion layer and the corrected finite element model; calculating the thickness coefficient of the cushion layer of each preset measuring point according to the top surface elevation calculation matrix of the cushion layer, the beam surface elevation of each preset measuring point, the target value of the top surface elevation of the cushion layer of each preset measuring point and the preset allowable error of the top surface elevation of the cushion layer; and multiplying the thickness coefficient of the cushion layer of each preset measuring point by the design thickness of the cushion layer to obtain the pouring thickness of the cushion layer of each preset measuring point. The method can improve the accuracy of the pouring thickness of the cushion layer and the precision and effect of the alignment adjustment of the bridge.

The invention relates to a tamping assembly (7) for tamping sleepers (3) of a track (2), in particular a switch, having a height-adjustable tool carrier (14), on which tamping tools (18) which can be set to vibrate by means of drives (22, 23) and can be brought together and have tamping tines (28, 29) are mounted, wherein at least one tamping tool (18) for laterally pivoting up the tamping tines (28, 29) comprises two tamping tine holders (25, 26) that can be pivoted about a common axis of rotation (27) by means of a rotary joint (24). At least one joint section (32) of the one tamping tine holder (25, 26) is mounted on a rotationally symmetrical joint section (32) of the other tamping tine holder (26, 25). In this way, the joint sections (32) of the two tamping tine holders (25, 26) engage in one another such that a streamlined design is achieved.

A method for the remote control of several simultaneously operating track-mounted maintenance machines is described. A central control station (24) communicates in real time with decentralized control and communication systems (22) of the maintenance machines. The control station (24) includes a display unit (23) on which critical status data of the maintenance machines are displayed in separate windows. Each status change in the separate windows of the maintenance machines is displayed in real time along with information required to process the error message. After a plausibility check of the work data and, if necessary, a correction by the control station, the tamping machine operator at the control station (24) releases the maintenance work.

The present application provides a self-stretching intelligent tamper, belonging to the technical field of railway ballast track tamper vehicle, comprising: a top connecting frame for connecting different direction tamper devices and tamper vehicles; a regulating mechanism is connected to the lower end of the connecting frame, for adjusting the oil pressure provided by the oil pressure mechanism according to the different degrees of dirt and mechanical state of the track bed, so that the self-stretching intelligent tamper head expands to the best working size; an oil pressure mechanism is connected to the lower end of the regulating mechanism, for transmitting oil pressure and providing oil pressure for the self-stretching intelligent tamper head; the lower end of the oil pressure mechanism is connected to a tamper body, and the lower end of the tamper body is connected to a tamper head. The present application effectively avoids the disturbance and damage of the tamper head to the indirect contact force chain between the sleepers and the ballast when the tamper is pulled out; reduces the resistance of the tamper insertion, eliminates the need for manual loosening operation before the tamper operation, and improves the efficiency of the tamper operation; the size of the tamper head can be automatically adjusted according to the different mechanical properties of the track bed, realizing differentiated tampering.

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

According to the assemblable embedded track and the construction method thereof, on the basis that it is guaranteed that bolts are connected with pre-embedded sleeves corresponding to sleepers through through holes in a bottom plate, side plates on the two sides of a steel tank move outwards and are longitudinally disconnected at the positions corresponding to the pre-embedded sleeves, so that space is formed, and the inner sides of the disconnected positions of the side plates are connected through insulating plates; the insulating plates are arranged on the inner sides of the side plates on the two sides, the side plates on the two sides of the steel tank move outwards, namely, the insulating plates are additionally arranged between the steel tank and the steel rail, the clearance size in the steel tank is increased, and the steel tank is prevented from being damaged. The distance between the steel tank and the steel rail is increased; even if a large construction error occurs and the steel rail is in contact with the insulating plate, the minimum distance between the steel rail and the steel tank can still be forcibly guaranteed to be the thickness gap of the insulating plate, the insulativity of the steel rail and the steel tank is guaranteed, and the sparking risk is reduced.

This invention discloses a self-compacting concrete pouring device and method for slab track, belonging to the field of slab track construction technology. It includes a concrete hopper with a cylinder connected to its lower end. The cylinder is equipped with an opening and closing mechanism, which comprises an elastic rubber cylinder and a metal elastic strip sleeved on its outer side. A motor drives the metal elastic strip to move around the cylinder, achieving precise adjustment of the opening degree of the elastic rubber cylinder's inner cavity, thereby controlling the concrete discharge flow rate. A scraping mechanism is also provided inside the concrete hopper. During the reciprocating opening and closing process, the scraping mechanism is driven by a transmission mechanism to rotate stepwise along the inner wall of the hopper, automatically scraping away residual concrete. This invention achieves precise electric control of the concrete flow rate and simultaneously completes automatic cleaning of the inner wall during the discharge process, effectively improving pouring quality and construction efficiency while reducing manual labor intensity.

This invention discloses a method for constructing a linear motor induction plate track bed, comprising the following steps: S1, track bed construction; S2, induction plate transportation and material handling; S3, coarse adjustment of induction plate laying; S4, fine adjustment of induction plate; S5, filling gaps in induction plates; S6, installing induction plate fasteners by screwing anchor bolts into pre-embedded sleeves; S7, re-measuring the elevation of the induction plate; S8, applying force and preventing loosening during induction plate installation. The beneficial effects of this invention are: it solves the problem of lacking professional measuring tools during induction plate installation, improves the construction process of induction plates, and increases operational accuracy, thereby achieving safe, fast, and efficient induction plate construction. It also establishes a standardized induction plate adjustment process, eliminating reliance on experience-based operations.

This invention discloses a longitudinal reinforcement device for railway sleepers, belonging to the technical field of reinforcement for high-speed railway ballast track. The invention includes vertical pile foundations, column base flanges, and transverse baffles. Vertical pile foundations are arranged vertically on both sides of the sleeper end along the train's direction of travel. One end of each vertical pile foundation is embedded in the ground. The other ends of two vertical pile foundations located on the same side of the sleeper end are used to connect to the transverse baffles. The vertical pile foundations of adjacent sleepers are connected in series via column base flanges embedded in the ballast layer. This invention can be used for the reinforcement of sleepers on ballasted track lines.

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 application discloses a tamping lower pick area discrimination method, electronic equipment and a computer readable storage medium. The method comprises the following steps: collecting an image of a lower pick area; dividing the image into subgraphs according to a set resolution; judging whether the current lower pick position is available for picking and whether there is another lower pick position according to the subgraphs; if a lower pick position is recorded, the fine adjustment distance in each fine adjustment direction is calculated according to the mapping relationship between the image and the real three-dimensional space coordinates; if no available lower pick position is recorded, it is determined that the lower pick position in the field of view is unavailable. The application can solve the technical problems that the existing tamping lower pick area discrimination method does not collect the real-time state of the tamping area, and does not consider the existence of obstacles, resulting in errors and omissions in the judgment of the lower pick area.

The utility model relates to a transverse impedance multidirectional damping steel spring device which comprises a spring outer sleeve (1), a steel spring (5) and a spring inner sleeve, the spring inner sleeve comprises a spring inner sleeve cover (2) and a spring inner sleeve base (6), and a transverse impedance elastic body (3) for transverse limiting is arranged between the spring outer sleeve (1) and the spring inner sleeve base (6). Compared with the prior art, three-direction damping amplification is adopted, besides the main vibration isolation direction, the stability and vibration in the direction perpendicular to the main vibration isolation direction of the spring can be controlled, and meanwhile the problem that the spring is subjected to transverse shearing dynamic load to cause fatigue fracture and failure of the spring is solved; therefore, the transverse stability and reliability are improved, and the service life of parts is prolonged.

The application relates to the technical field of railway maintenance, and provides a tamping device and a tamping vehicle. The tamping device comprises a rack, a driving device and a vibration shaft assembly. The vibration shaft assembly comprises at least two eccentric mechanisms, each of which has an eccentricity, and the eccentricity of the vibration shaft assembly is adjustable through different phase angle combinations of the eccentric mechanisms. A locking mechanism is arranged to lock the eccentric mechanisms and fix the combined eccentricity. The application solves the technical problem of fixed eccentricity of the traditional tamping device.

This invention belongs to the field of railway subgrade construction technology, specifically relating to a flood-resistant railway bridge reinforcement structure. It includes a frame bridge body, a raised section, and anchoring components. The frame bridge body is composed of multiple U-shaped frame bridge tubes connected together. The raised section includes reinforcement components and ballast. The reinforcement components include precast components and gabion cages filled with crushed stone, with coal gangue filling the outer side of the precast components. The anchoring components include H-beams and H-beams, both fixed to the left and right sides of the frame bridge body. Wire mesh is fixed to the inner wall of the H-beams. An enlarged head is welded to the bottom of the H-beams and fixed in the underwater soil. The H-beams are formed by welding two H-beams together. This invention can meet the requirements for preventing settlement and deformation of railway bridges in coal mining subsidence areas, as well as ensuring bridge stability and flood control under flood impact and flooding conditions. The structure is reliable, and the construction method is highly operable.