1174results about "Ballastway" patented technology

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 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 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 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.

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 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 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.

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 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.

The invention is a system and method for repairing, improving, and stabilizing subgrade and subsoil / natural ground layers of a rail bed generally consisting of softer soils. One embodiment includes a method of installing subsurface inclusions and ballast fills comprising injected slurry mixtures of stabilizing material such as cement grout mixed with in situ soil. Another embodiment includes a system of installed ground inclusions and ballast fills. Another embodiment includes an integrated system of equipment for emplacing the system of inclusions and ballast fills.

The invention discloses a multifunctional multi-anchor plate pile wharf structure suitable for deepwater berth and a construction method thereof, belongs to the technical field of port engineering, and solves the problems that the section of a deepwater berth plate pile wall structure is too large, deformation control is difficult, and the synergism of an anchorage system is poor. The wharf structure comprises a front sheet pile of the front sheet pile wall structure and a front track beam arranged on the front sheet pile. The pull rod system is arranged between a pavement structure and a pool bottom elevation, at least two common layered pull rods and a multifunctional pull rod are sequentially arranged at intervals from bottom to top, one end of each common layered pull rod is connected to a front sheet pile, and one end of each multifunctional pull rod is connected to a front track beam. The anchorage system comprises at least two common layered anchorage bodies and a multifunctional anchorage body, the common layered anchorage bodies are correspondingly connected with the common layered pull rods, the multifunctional anchorage body is composed of a rear track beam and a rear track beam pile, and the rear track beam is connected with the other end of the multifunctional pull rod. The wharf structure is mainly used for deepwater berth wharf construction, multi-anchor support can be provided, and track beam displacement can be coordinated.

A precision measurement and tamping operation method for an operating conventional-speed railway without a control network. The method comprises the following steps: S100, laying a temporary reference station (1) and performing initial precision track measurement; S200, processing office-processed data; and S300, performing tamping operation and precision measurement. The temporary reference station (1) is laid offline along an operation route by means of precise single-point positioning; when precision track measurement is performed by using a track inspector (2), the temporary reference station (1) may serve as a reference station and cooperate with an onboard moving station (3) to perform dynamic post-processing calculation, such that accurate coordinates of the center line of the route are obtained; and when precision tamping is performed by using a tamping vehicle (4) equipped with a tamping vehicle locator (5), the temporary reference station (1) may serve as a main reference station to provide real-time dynamic positioning for the tamping vehicle (4), thereby realizing centimeter-level mileage positioning accuracy, and realizing autonomous synchronization with field mileage.

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 invention relates to the technical field of shield tunnel vibration control, in particular to a shield tunnel under-rail vibration isolation structure and a construction method thereof.The shield tunnel under-rail vibration isolation structure comprises a prefabricated rail foundation arranged in the longitudinal direction of a tunnel and prefabricated buttresses arranged in the longitudinal direction of the tunnel at intervals; the bottom of the prefabricated track foundation is provided with receding spaces for receding the prefabricated buttresses, the prefabricated buttresses are arranged in the receding spaces, the bottoms of the prefabricated buttresses are connected with the tunnel lining, and vertical vibration isolation supports are arranged between the tops of the prefabricated buttresses and the top of the prefabricated track foundation. The side faces of the prefabricated buttresses are connected with the prefabricated track foundation through compression-shear rigidity decoupling limiters. The prefabricated track foundation provides an inertia reference, the compression-shear rigidity decoupling limiter restrains horizontal displacement and allows vertical vibration at the same time, the vertical vibration isolation support regulates and controls the vertical vibration, through the synergistic effect of all the assemblies, a three-dimensional vibration isolation system is formed, efficient attenuation of vibration energy of the high-speed rail at the specific frequency band of 20-80 Hz is achieved, and the high-speed rail vibration energy attenuation effect is improved. The vibration damping performance of 15-20 dB is guaranteed, meanwhile, the dynamic displacement of the track is within the standard limit value range of the high-speed railway track, the balance of vibration control and track smoothness is achieved, and the requirement for running of the high-speed railway at 350 km / h is comprehensively met.

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 discloses sleeper surface roughness treatment equipment and a treatment method thereof, and relates to the technical field of sleeper surface treatment.The sleeper surface roughness treatment equipment is technically characterized by comprising a mounting area, a traction component is mounted on one side of the upper end of the mounting area, and a sleeper conveying component is mounted on the other side of the upper end of the mounting area; a water spraying treatment part is mounted at the upper end of the mounting area and located on the outer side of the sleeper conveying part; the water spraying treatment part comprises two mounting box bodies symmetrically mounted at the top end of the mounting area, a protective cover is mounted between the two mounting box bodies, two hydraulic rotating heads are mounted in the mounting box bodies, a rotating disc is arranged at one end of each hydraulic rotating head, and a plurality of nozzles are mounted at one end of each rotating disc; according to the design, a continuous conveying treatment mode is adopted, the surface roughness of the sleeper body is treated, and the overall production efficiency is improved.

The invention discloses a railway ballastless track steel truss girder end transition structure and a construction method. In order to ensure the safety of train operation, the requirement of railway bridge design on the limited value of the beam end corner is met. The device comprises a steel truss girder, wherein bridge deck overhanging longitudinal beams are rigidly connected to the two longitudinal sides of the steel truss girder respectively; a concrete simply supported beam and a bridge abutment are respectively arranged on two longitudinal sides of the steel truss girder; one side of the concrete simply supported beam is rigidly connected with a concrete simply supported beam longitudinal cantilever; the bridge deck overhanging longitudinal beam on one side is supported on the concrete simply supported beam longitudinal cantilever, and the bridge deck overhanging longitudinal beam on the other side is supported on the bridge abutment. By means of the railway ballastless track steel truss girder end transition structure, the problem that when a railway ballastless track steel truss girder is in transition with a conventional simply supported beam and a bridge abutment, a girder end corner is too large and exceeds a standard limit value can be solved.

The utility model discloses a clutch and a tamping wagon using the clutch, and belongs to the field of railway maintenance equipment. Comprising a clutch box body, an inner and outer combined spline sleeve, an inner spline chain wheel shaft, a clutch push-pull mechanism and a limiting mechanism, the inner spline chain wheel shaft is rotationally connected with the clutch box body, the inner and outer combined spline sleeve is horizontally and slidably installed in the inner spline chain wheel shaft, and the inner and outer combined spline sleeve and the inner spline chain wheel shaft synchronously rotate; the clutch push-pull mechanism is rotationally connected with the inner and outer combined spline housing, the limiting mechanism is connected with the clutch push-pull mechanism, and the limiting mechanism fixes the position of the clutch push-pull mechanism relative to the clutch box body. According to the clutch, the inner and outer combined spline sleeve is arranged in the inner spline chain wheel shaft in a sliding mode, the clutch push-pull mechanism drives the inner and outer combined spline sleeve to slide in the inner spline chain wheel shaft, and combination or separation of the inner spline chain wheel shaft and the inner and outer combined spline sleeve is achieved. In this way, different use requirements of maneuvering walking and manual pushing walking are switched, the structure is simple, and operation is convenient.

The invention relates to a method for detecting the quality, in particular the degree of compaction, of a track bed (2), having the steps of: loading the track bed (2), detecting a measurement signal (h) which correlates to a reaction force (Fz) between the track bed (2) and a track (4) arranged thereon, and determining the quality of the track bed (2) using the measurement signal (h). A device (1) for detecting the quality, in particular the degree of compaction, of the track bed (2) comprises an acting device (15) for loading the track bed (2), a detection device (16) for detecting a measurement signal (h) which correlates to a reaction force (Fz) between the track bed (2) and a track (4) arranged thereon, and an analysis device (17) for determining the quality of the track bed (2) using the measurement signal (h).

The utility model relates to the technical field of sleeper replacement, and particularly discloses rail sleeper replacement equipment which comprises a rack, a ballast raking plate and a sleeper clamping piece. The ballast raking plate is connected to one side of the rack, the sleeper clamping piece is arranged at the bottom of the rack, a rotating mechanism used for adjusting rotation of the sleeper clamping piece is installed on the rack, and auxiliary assembly pieces are arranged on the two sides of the rack. A machine arm is rotationally connected to the protruding position of the side, away from the sleeper clamping piece, of the machine frame. A turnover mechanism used for adjusting the rotating angle of the machine frame is connected to one side of the machine arm. The sleeper clamping piece horizontally rotates, the horizontal position of the sleeper can be adjusted, the sleeper is clamped and then rotated to the position between the rails, the sleeper can be conveniently taken out or placed in the position between the rails, then the sleeper is adjusted to the proper height and rotation angle, the sleeper can be conveniently placed at the bottoms of the rails, and the rail limiting plate can be moved to the tops of the rails through work of the second hydraulic telescopic rod. The rail and the sleeper are stably attached, and accurate assembly is facilitated.

The invention relates to the technical field of preparation of modified low-carbon concrete, in particular to a geopolymer-carbonized steel slag composite gelling low-carbon prefabricated sleeper and a preparation method thereof. The invention aims to solve the technical problem that the strength of the sleeper is influenced by microcracks and volume change caused by large self-constriction and delayed expansion of steel slag of the existing geopolymer system. The steel slag is pretreated through physical and chemical combined activation and gradient carbonization processes, and the content of free calcium oxide and magnesium oxide in the steel slag is reduced; a small amount of steel fibers and high-molecular polymer fibers are simultaneously added into the system to enhance the toughness and improve the low-temperature brittleness; furthermore, a microcapsule material with a self-repairing function is introduced into the system, the capsule wall is broken due to stress to release a repairing agent when a microcrack is generated, and the crack is automatically filled and healed. The sleeper is excellent in strength, crack resistance, volume stability and durability, and has remarkable low-carbon environment-friendly benefits and engineering application value.

The invention discloses a composite temperature-control drainage geotextile, and relates to the technical field of geosynthetic materials. The geotextile comprises a drainage layer which is of a three-dimensional water guide structure formed by biaxial warp knitting of special-shaped section wicking fiber bundles and polypropylene reinforced fiber bundles and used for efficient drainage; the reinforcing layer is of a grid structure which is formed by hot melting and bonding ultra-high molecular weight polyethylene fibers and has high tensile strength, and provides mechanical support; the heating layer is composed of carbon fiber heating wires which are arranged in parallel in a snakelike mode and electrically connected in series, and the heating layer is embedded in a quilting seam channel between the drainage layer and the reinforcing layer and can achieve active heating of soil; the temperature control module comprises a temperature sensor in the enhancement layer and a temperature control device connected with the heating layer in series, and the heating power can be dynamically adjusted according to a preset temperature threshold value. By means of the multi-layer composite structure and the intelligent temperature control system, effective integration of drainage, enhancement and active anti-freezing functions is achieved, and the engineering application performance of the geotechnical cloth in the cold environment is remarkably improved.

The invention discloses an automatic running control method for a tamping wagon, which comprises the following steps of: S10) controlling a cart to establish a low-constant-speed running state under a continuous tamping running working condition; s11) controlling the trolley to accelerate from the rear position to establish a low constant speed operation state; s12) calculating the braking conversion point distance of the trolley; s13) after the trolley moves to a braking conversion point, applying a braking hydraulic force for braking until the low constant speed of the trolley and the trolley is established; s14) double-closed-loop PI control based on the position and the speed is carried out on the trolley; and in each tamping period, the trolley periodically pursues the cart from the rear position and advances to a brake switching point, then decelerates to keep uniform motion with the cart, and ensures that the whole walking duration is within the set time. The technical problem that an existing tamping wagon walking control mode is low in automation degree and operation efficiency can be solved.

The utility model belongs to the technical field of rail bearing table detection, discloses a measuring device for a ballastless track rail bearing table, and mainly aims to solve the problems of low measuring efficiency and poor measuring precision of the conventional measuring device. According to the utility model, the walking module is adopted to carry out station change of the whole device, compared with a traditional mode of moving a measuring instrument by manpower, the mode is faster, the workload of measuring personnel can be reduced, and the measuring efficiency is improved; according to the utility model, the specific position of the current measuring device is positioned through the positioning module, so that the measuring module on the measuring device can accurately correspond to the ballastless track bearing table to be measured, and the measuring accuracy is ensured; according to the utility model, the same pair of ballastless track bearing platforms can be respectively measured through different measuring instruments on the plurality of groups of measuring modules by controlling the gradual movement of the measuring device, and final measuring data can be obtained by integrating and contrasting multiple measuring results, so that the measuring error is reduced, and the measuring precision is improved.