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154results about "Track maintainence" patented technology

Vehicle-mounted rail bolt oiling operation device and rail engineering vehicle

The invention discloses a vehicle-mounted rail bolt oiling operation device and a rail engineering vehicle, the oiling operation device runs on a rail along with the rail engineering vehicle, the device comprises a detection execution mechanism, a grease tank, a pressurizing device and a control system, and the detection execution mechanism comprises a sleeper bolt detection sensor and a spray gun. When the oiling operation is carried out, the pressurizing device sucks grease from the grease box and pressurizes the grease to the required pressure. When the sleeper bolt detection sensor detects the sleeper bolt, a signal is sent to the control system, the control system determines the delay duration according to the collected vehicle speed, after the output signal is delayed, the solenoid valve controls the gas circuit to be opened, and the high-pressure grease is sprayed to the sleeper bolt through the spray gun. The rail bolt oiling device can solve the technical problems that an existing oiling operation device cannot conduct all-dimensional effective spraying on rail bolts, and the oiling operation quality is not high.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

Construction quality control method and equipment for high-speed hydraulic rammer compactor and medium

The embodiment of the invention discloses a construction quality control method and device for a high-speed hydraulic rammer compactor and a medium, and relates to the technical field of high-speed hydraulic rammer compactors. The method comprises the steps that through a plurality of sensors arranged on the high-speed hydraulic rammer compactor, a plurality of ramming acceleration signals corresponding to each ramming point in the point ramming process are collected, on the basis of the multiple tamping acceleration signals, the point tamping compaction state corresponding to each tamping point is determined; determining supplementary ramming areas, performing reinforcement in each supplementary ramming area according to a preset ramming strategy, and determining a real-time compaction index corresponding to the first ramming point; and when the real-time compaction index does not meet the preset index threshold value, the tamping strategy is adjusted according to the preset adjustment step length, the adjusted tamping strategy is determined, the supplementary tamping area is reinforced according to the adjusted tamping strategy, and the dynamic matching between the reinforcing parameters and the specific soil state is ensured, so that the tamping effect is improved. And the uniformity and reliability of the reinforcing quality are fundamentally guaranteed, and the problem that under-compaction and over-compaction coexist is effectively avoided.
Owner:SHANDONG JIANZHU UNIV

Thermal-insulation waterproof frost heaving-prevention structure for existing railway roadbed in deep seasonal frozen soil region and construction method of thermal-insulation waterproof frost heaving-prevention structure

The invention relates to the technical field of railroad bed structures, and discloses a deep season frozen soil area existing railroad bed heat preservation, water insulation and frost heaving prevention structure and a construction method of the deep season frozen soil area existing railroad bed heat preservation, water insulation and frost heaving prevention structure. The invention relates to a heat-insulating waterproof frost heaving-preventing structure for an existing railroad bed in a deep seasonal frozen soil region. The overall cross section of the existing railroad bed is of an axial symmetry structure along the center line of the railroad bed; the existing railway subgrade foundation bed is sequentially provided with a first gravel cushion layer, a waterproof geotechnical cloth layer, a second gravel cushion layer, a geogrid layer and a closed railway ballast layer from bottom to top. Polyurethane heat preservation layers are arranged on side slopes on the two sides of the existing railroad bed. A polyurethane heat preservation layer and a waterproof geotechnical cloth layer are sequentially arranged on the road shoulders on the two sides of the existing railroad bed from bottom to top. A drainage channel is arranged at the slope toe of the existing railroad bed; a polyurethane heat preservation layer is arranged on the connecting section of the slope toe of the existing railroad bed and the drainage channel. The thermal-insulation waterproof frost heaving prevention structure for the existing railroad bed in the deep seasonal frozen soil region can be suitable for treatment and maintenance of frost heaving disasters of the existing railroad bed in the deep seasonal frozen soil region, and has a good engineering application prospect.
Owner:LANZHOU JIAOTONG UNIV +1

System and method for subgrade stabilization of railroad bed

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.
Owner:SOIL NAIL HOLDINGS LLC

Automatic spraying manipulator for railway

The invention discloses an automatic spraying manipulator for a railway, and relates to the field of spraying manipulators, the automatic spraying manipulator comprises a movable base plate, a supporting platform is mounted at the top end of the movable base plate, an angle and position adjusting mechanism is arranged at the top end of the supporting platform, and the angle and position adjusting mechanism comprises a translation sliding rail; a translation sliding rail is installed at the top end of the supporting platform, a positioning lead screw is clamped in the translation sliding rail, the outer side of the positioning lead screw is sleeved with an inner threaded cylinder, an angle and position adjusting mechanism is arranged, and a transmission assembly is formed through cooperation of an inner cross cylinder, a cross rotating rod, a transmission adjusting rod, a transmission ring, a transmission gasket and a face gear. Power is transmitted, a driving motor conveniently drives a worm to rotate, then a worm gear, a rotating tray and an intelligent sensing mechanical arm are pushed to rotate, the spraying angle is adjusted according to needs, adaptability is improved, paint is conveniently sprayed from different angles, and missing of dead corners is prevented.
Owner:BEIJING XINGYI TIANCHENG TECH CO LTD

Railway line detection intelligent robot

The invention relates to the technical field of robots, in particular to a railway line detection intelligent robot which comprises a main body, and the main body is provided with a walking mechanism used for driving the robot to walk; the image acquisition module is used for acquiring railroad sleepers, railroad sleeper spike bolt images, oil coating processes, steel rail surface profiles and the like; the intelligent sensing system is used for acquiring railway detection information; the detection information comprises identification and accurate positioning of railroad sleeper spikes and bolts, detection of positions and states of the railroad sleeper spikes and bolts, measurement of rail gauges and surface profiles and the like; the intelligent control technology management platform is used for receiving the detection information of the intelligent sensing system and the image data transmitted by the image acquisition module and carrying out statistical analysis; and the oil coating mechanism is used for synchronously carrying out oil coating operation on the railway sleeper spike bolt. According to the railway sleeper spike bolt oiling device, the railway sleeper spike bolt oiling efficiency and quality are improved, multi-directional detection and image acquisition of a steel rail are achieved, and the automation degree is high.
Owner:JINAN HUASHENG INFORMATION TECHNOLOGY CO LTD

PC sleeper soundness evaluation device and PC sleeper soundness evaluation method

ActiveJP2025037118ABallastwayTrack maintainence
To provide a PC sleeper soundness evaluation device capable of clearly showing a determination criterion regarding necessity or priority of the replacement of the PC sleeper with cracks.SOLUTION: A PC sleeper soundness evaluation device comprises a first creation unit 11 that creates a second image showing extracted cracks, a second creation unit 12 that creates a third image with the second image binarized, a third creation unit 13 that creates a fourth image with noise removed for the third image, a fourth creation unit 14 that creates a fifth image with a fourth region thinned into a fifth region for the fourth image, a first calculation unit 15 that calculates the crack length on the basis of the number of pixels of multiple second pixels included in the fifth region in the fifth image, a first recording unit 16 that records first data indicating the relation between the crack length and loading capacity of the PC sleeper, and an evaluation unit 17 that evaluates soundness of the PC sleeper on the basis of the first calculation value of the crack length and the first data.SELECTED DRAWING: Figure 3
Owner:RAILWAY TECHNICAL RESEARCH INSTITUTE

Enhanced sleeve positioning device for ballastless track bridge of high-speed railway

The utility model discloses an enhanced sleeve positioning device for a ballastless track bridge of a high-speed railway, which relates to the technical field of railway bridge construction and comprises a bearing frame main beam and a transverse straining beam used for forming the bearing frame main beam into an integral frame, and positioning steel plates are arranged at the bottom of the bearing frame main beam and the bottom of the transverse straining beam. The positioning steel plate is vertically provided with a positioning screw rod used for installing the reinforced sleeve, and the position of the positioning screw rod on the positioning steel plate is adjustable; according to the actually-measured construction elevation of a construction site, the plane position and the vertical elevation of the reinforced sleeve are guaranteed by adjusting the horizontal position and the height position of the positioning screw rod on the positioning steel plate, the positioning screw rod can be fixed after the plane position and the vertical elevation of the reinforced sleeve are adjusted, and after beam body concrete pouring is completed, the reinforced sleeve can be fixed. The reinforced sleeve is separated from the device, so that the device can be recycled.
Owner:THE 4TH ENG CO LTD OF CHINA RAILWAY 17TH BUREAU GRP

Railway engineering roadbed protection fence installation machinery and installation method

The present invention relates to the field of railway roadbed protection fences, and specifically discloses a railway engineering roadbed protection fence installation machine and an installation method, including an installation unit arranged on a crawler machine, the installation unit including a three-degree-of-freedom drive mechanism, the three-degree-of-freedom drive mechanism is provided with a clamping claw, and the clamping claw can grab a fence. The purpose of the present invention is to solve the technical problem of how to automatically install a fence.
Owner:SICHUAN RAILWAY CONSTR CO LTD

Waterproof engineering construction equipment and construction method for high-speed railway track

The present invention discloses a waterproofing construction equipment and method for high-speed railway tracks, including a coating and rolling machine, a spraying composite paving vehicle, and a spraying edge banding vehicle. The coating and rolling machine is used to perform waterproofing construction on the base plate in the middle part of the high-speed railway track, and includes a four-wheel drive system, an electric control system, a frame, a feeding device, and a compacting device. The compacting device can automatically adjust its height in the vertical direction according to the undulations of the base plate pavement. The spraying composite paving vehicle is used to perform waterproofing construction on the base plate on the side of the high-speed railway track, and includes a frame, a spraying device, and a pressure roller. The length of the pressure roller can be adjusted according to the width of the side base plate. The spraying edge banding vehicle is used to perform waterproofing construction on the inner corner of the high-speed railway track, and includes a frame, a spraying pipe, and a spraying window. The discharge direction of the spraying pipe is toward the spraying window. By using different vehicle bodies to perform construction on different positions of the high-speed railway ballastless track, the coating is sprayed evenly and stably, and the coil is laid firmly, which greatly improves the construction quality.
Owner:北京虹通工程勘测有限公司

A ballastless track steel formwork rapid positioning device and method

The present invention discloses a device and method for quickly positioning a ballastless track steel formwork, comprising a moving frame, a first positioning member and a second positioning member, wherein the first positioning member and the second positioning member are both movably mounted at the lower part of the moving frame, and the first positioning member is located at one side of the second positioning member; the first positioning member and the second positioning member both comprise a moving slider and a lifting base plate for mounting a side formwork, the lifting base plate is movably mounted at the lower end of the moving slider, and the lifting base plate and the moving slider are movably connected via a lifting rod, the lower end of the lifting base plate is provided with two groups of positioning guide columns and two groups of moving buckles, and the two groups of positioning guide columns are located between the two groups of moving buckles; the lower end of the moving frame is provided with two groups of movers for docking with the bottom formwork, so that the installation operation of two groups of side forms of the steel formwork structure can be completed simultaneously, and no position calibration is required during repeated installation operations, so that the positioning operation of the steel formwork structure can be completed quickly, thereby improving the installation efficiency of the steel formwork structure.
Owner:YANCHENG JUNENG POWER MASCH CO LTD

Lithium battery track dotting machine

The utility model belongs to the technical field of track dotting machines, and particularly relates to a lithium battery track dotting machine. Comprising a rack which comprises a fixed frame and a folding frame; two walking wheels are distributed at the bottom of each folding frame; the pressure barrel and the air compressor are both installed on the fixing frame, paint is contained in the pressure barrel, the output end of the air compressor is communicated with an air inlet of the pressure barrel, and the paint spraying end of the pressure barrel is communicated with a nozzle; the nozzles are arranged on the left side and the right side and spray paint towards the inner side face of the track. And the step counting wheel is installed on the folding frame on any side through a support so that the step counting wheel can walk along the track, and an encoder is installed at the shaft end of the step counting wheel. The device has the advantages of being small in error, full-automatic, capable of improving operators and the surrounding working environment, capable of rapidly going up and down, free of a large amount of manpower and capable of achieving accurate and rapid operation.
Owner:NORTHERN LIGHTS (TIANJIN) RAIL TRANSIT EQUIPMENT CO LTD

Railway track operation safety warning device

The utility model discloses a safety warning device for railway track operation. The safety warning device comprises a supporting frame, a wire coil and a light-emitting warning line. The supporting frame comprises a fixed base and a supporting rod, and the fixed base is used for being fixed to a sleeper. The supporting rod comprises a first rod body and a second rod body, the first rod body is fixed to the fixed base, the second rod body is rotationally connected with the first rod body, and a hook is arranged at the top end of the second rod body. The wire coil is installed on the second rod body, and the light-emitting warning line is wound on the wire coil and pulled out through a hook at the top end of the second rod body. The railway track operation safety warning device is supported through the supporting frame, and the serious consequence of line invasion caused by the fact that the luminous warning line is affected by strong wind and blown into an adjacent line can be avoided. Meanwhile, the light-emitting warning line can emit light and can achieve a clear visible effect at night or in an environment with low visibility, so that the safety consciousness of field operators is improved, the operators are prevented from entering adjacent lines by mistake, and labor safety accidents of the operators are prevented.
Owner:CHINA RAILWAY TRADE UNION CHINA RAILWAY CHENGDU BUREAU GRP CO LTD FULING WORKS SECTION COMMITTEE

Cleaning and finishing method for red-layer mudstone roadbed bridge abutment transition section base

The invention relates to the technical field of roadbed construction, in particular to a cleaning and finishing method for a red-layer mudstone roadbed bridge abutment transition section base, which comprises the following steps: S1, cleaning the surface of a foundation bed; s2, surveying and setting out; s3, layered excavation is conducted on the transition section, excavation is conducted to the unweathered rock layer face base, and a plurality of steps from the bridge abutment to the foundation bed are formed; s4, step finishing is conducted, specifically, concrete materials are adopted for finishing each step; and S5, performing layered backfilling. The steps are formed through excavation after the surface layer of the foundation bed in the transition section is cleaned, concrete material finishing is conducted on each step, it can be ensured that the structure of the area where each step is located is stable, the bearing capacity meets the design requirement, overall improvement of the stability of a base in the transition section is achieved, meanwhile, the lower steps play a role in stabilizing the upper steps along the slope face of the transition section, and the stability of the base is improved. A stable slope surface is formed in the transition section, landslide settlement is not prone to occurring in the operation period, an abutment is not prone to being affected, the overall stability of a roadbed is ensured, and the settlement occurrence probability is reduced.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +1

Roadbed deviation rectifying device

This utility model belongs to the field of roadbed maintenance technology and discloses a roadbed correction device, comprising N grouting bladders connected in sequence and N grouting pipes corresponding one-to-one with each grouting bladder, where N≥2. Each grouting bladder includes a bladder body and a supporting pipe. The bladder body is a through structure with openings at both ends, sleeved outside the supporting pipe, and both ends of the bladder body along the axial direction of the supporting pipe are sealed to the pipe wall. The N supporting pipes are connected in sequence. Among the multiple grouting pipes, the first grouting pipe communicates with the grouting port of the first bladder, the second grouting pipe passes through the first supporting pipe and communicates with the grouting port of the second bladder, and the Nth grouting pipe simultaneously passes through the first, second, ..., and (N-1)th supporting pipes and communicates with the grouting port of the Nth bladder. This utility model achieves precise correction of the roadbed, avoids damage to the roadbed structure, generates no pollutants, and is highly adaptable.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

Rail protection component

The invention relates to the technical field of railway bolt protection, in particular to a rail protection component which is used for protecting railway bolts in railway fasteners and comprises a component box, a first rotating seat is rotatably connected to the upper side in the component box, a sliding groove is formed in the first rotating seat, and two sliding blocks are slidably connected into the sliding groove. First clamping shafts located in the component box are fixed to the lower ends of the two sliding blocks, and a filling base is fixed to the front end of the component box. According to the invention, quantitative grease is preloaded by adopting the flexible and breakable casing bag, so that the filling amount each time is ensured to be accurate and consistent, automatic release can be realized when the bolt is screwed in, the assembly process is simplified by matching with the design of the modular component box, the openable side cover and the bottom cover are convenient to maintain, the whole structure has convenience of automatic operation and reliability of mechanical transmission, and the production efficiency is improved. And the adaptive design of the filling seat and the clamping seat ensures that the grease bag is undamaged to discharge, so that the material waste is reduced, the large-scale construction efficiency is remarkably improved, and stable and long-acting anti-corrosion protection is provided for railway bolts.
Owner:ZHENGZHOU FULAITE TECH CO LTD

Construction method of waterproof structure

PendingJP2026036595ABallastwayTrack maintainence
To provide a construction method of a waterproof structure capable of securing waterproof performance, shortening construction time at a construction site, and reducing material loss.SOLUTION: A construction method of a waterproof structure includes a primer coating step of coating a primer 2 on a surface of a concrete structure 9, an adhesive material installation step of coating an adhesive material 3 on the primer 2, and a top coating material coating step of coating the top coating material 4 on the adhesive material 3. The crack follow-up property is ≥ 0.8 mm measured by a crack follow-up property test method (proposal) of JSCE-K352 surface coating material. The crack followability of the top coating material is equal to or more than the crack followability of the adhesive material. In the adhesive material installation step, the adhesive material obtained by mixing a main agent and a curing agent is applied and cured.SELECTED DRAWING: Figure 1
Owner:SHO BOND CONSTRUCTION CO LTD +2

Railway roadbed sampling device

The utility model discloses a railroad bed sampling device which comprises a grip, an inserting rod is fixedly mounted at one end of the grip, a rotating rod is rotatably mounted at the other end of the grip, a first sampling piece is fixedly mounted at the lower end of the inserting rod, and a second sampling piece is slidably mounted on the inner side of the first sampling piece. A second sampling piece is installed on the lower end of the rotating rod, a third sampling piece is installed on the inner side of the second sampling piece in a sliding mode, a fourth sampling piece is installed on the inner side of the third sampling piece in a sliding mode, a connecting rod is fixedly installed on the side, close to the fourth sampling piece, of the lower end of the rotating rod, and the connecting rod is fixedly connected with the upper end of the fourth sampling piece. The utility model aims to solve the problem that in the prior art, soil is squeezed during sampling, so that water in the sampled soil seeps out. The soil sampler has the technical effects that the lamellar structure can be inserted into soil more easily, so that the effects of reducing extrusion on the soil in the sampling process and preventing water in the sampled soil from seeping to the periphery are achieved.
Owner:GUANGXI NINGTIE ENG CO LTD

Hydraulic digital display diversion device for track

The utility model provides a hydraulic digital display diversion device for a track, which comprises a steel rail and a T-shaped bolt arranged on one side of the steel rail, a diversion structure corresponding to the steel rail is arranged on one side of the steel rail, the diversion structure comprises a gasket attached to a rail web of the steel rail, and a fixing piece arranged above a fixing bolt is arranged on one side of the gasket far away from the steel rail. The other end of the fixing piece is connected with a hydraulic telescopic device, the side, close to the steel rail, of the hydraulic telescopic device is sleeved with a digital display sensor, the side face of the steel rail is supported by means of a gasket through the diversion structure arranged on one side of the steel rail, and meanwhile the fixing piece is installed above the fixing bolt in a sleeving mode. The hydraulic telescopic device is driven by taking the fixing bolt as a fixing fulcrum, the gasket is further driven to abut against the steel rail to move, diversion is achieved, meanwhile, the advancing distance of the telescopic rod in the hydraulic telescopic device is sensed by the digital display sensor and displayed on a screen, and the display result is more visual.
Owner:姚丽文 +3

Lightweight straddle-type monorail cast steel tension support anchor rod replacement device and method

The application discloses a light-type straddle-type monorail cast-steel tension support anchor rod replacement device, which comprises a track beam and a cast-steel tension support arranged at the end of the track beam. The light-type straddle-type monorail cast-steel tension support anchor rod replacement device comprises the following steps: S1, preliminary preparation and equipment inspection; S2, removing attachments and installing tooling; S3, synchronously jacking up the track beam and arranging temporary supports; S4, replacing the anchor rod; S5, falling back the track beam and three-dimensional fine adjustment; and S6, resuming the site and leaving the site. The application sets an anti-overturning baffle in the existing bolt hole, realizes the combination of temporary reinforcement and permanent structure, and can effectively resist the overturning risk; the modular small equipment is adopted, the operation can be conducted in a limited space, and large hoisting machinery is not needed; and the millimeter-level accurate jacking and locking are realized through the electric control synchronous hydraulic jack, and the three-dimensional fine adjustment device can realize rapid resetting.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +2

Reciprocating cableway traction cable replacing and braiding platform

The utility model discloses a reciprocating type cableway pulling cable changing and braiding platform which comprises a plurality of frame assemblies, a plurality of connecting assemblies and a plurality of grid plates, each frame assembly comprises a top rod, two side rods and a bottom rod, connecting mechanisms are arranged between the top rods and the side rods, and right-angle blocks are arranged between the side rods and the bottom rod. The side rods are perpendicular to the bottom rods and fixedly connected with the right-angle blocks through bolts, hooks are arranged at the four corners of the grid plate, and the hooks are clamped on the adjacent bottom rods respectively. The connecting assembly comprises two U-shaped buckles and a mounting plate, the lower surface of the mounting plate is provided with clips which are fixedly connected through bolts up and down, and the four corners of the mounting plate are in threaded connection with the U-shaped buckles and are fastened through nuts. The connecting assembly has the advantages that the structure is simple, the high-altitude mounting operation is easy, the number of mounting assemblies is small, the mounting assembly is light, and the mounting and transportation difficulty is reduced.
Owner:TAIAN SHANHE CABLEWAY ENGINEERING CO LTD

Systems and methods for scheduling track maintenance

To provide a system and a method allowing more accurate reporting of the number of cancelled maintenance time slots, the amount of time maintenance operators spend waiting for maintenance to begin, and hourly cost incurred by a company for those hours.SOLUTION: In one embodiment, a method includes the steps of: generating a first visual representation for a location of a railroad station associated with a railroad track; receiving a request for a first maintenance time slot; and determining that the first maintenance time slot is associated with the railroad station. The method further includes the steps of: determining a first time period; and generating a second visual representation of information associated with the railroad station during the first time period. The information includes an indication of a time that a train is scheduled to cross the railroad station during the time period. The information also includes an indication of a time duration of the second maintenance time slot requested during the time period.SELECTED DRAWING: Figure 2
Owner:BNSF RAILWAY COMPANY

Automatic painting robot for railway

The application discloses an automatic spraying manipulator for a railway and relates to the field of spraying manipulators.The automatic spraying manipulator comprises a moving base plate, the top end of the moving base plate is provided with a supporting platform, the top end of the supporting platform is provided with an angle and position adjusting mechanism, the angle and position adjusting mechanism comprises a translation sliding rail, the top end of the supporting platform is provided with the translation sliding rail, the inside of the translation sliding rail is clamped with a positioning screw rod, the outside of the positioning screw rod is sleeved with an internal thread cylinder, the angle and position adjusting mechanism is arranged, the internal cross cylinder, the cross rotating rod, the transmission adjusting rod, the transmission ring, the transmission gasket and the plane gear are matched to form a transmission assembly, power is transmitted, the driving motor is convenient to drive the worm to rotate, the worm wheel, the rotating tray and the intelligent sensing manipulator are further pushed to rotate, the angle of spraying is adjusted according to needs, the adaptability is improved, paint is convenient to spray from different angles, and dead angles are prevented from being missed.
Owner:BEIJING XINGYI TIANCHENG TECH CO LTD

Secondary jacking device for mechanical equipment and mechanical equipment

The utility model provides a secondary jacking device for mechanical equipment and the mechanical equipment, the secondary jacking device comprises a lifting assembly and a shielding frame, the lifting assembly is used for being arranged on a ceiling of the mechanical equipment, the shielding frame comprises a first frame and a shutter assembly, the first frame and the ceiling of the mechanical equipment are arranged in a spaced mode, and the first frame is connected to the lifting assembly; the first frame is provided with a first frame exhaust port, the first frame exhaust port is communicated with a ceiling exhaust port in the ceiling, the shutter assembly is arranged on the first frame and used for closing or conducting the first frame exhaust port, and the lifting assembly can drive the shielding frame to do lifting motion so as to adjust the distance between the shielding frame and the ceiling exhaust port. The secondary jacking device for the mechanical equipment can adapt to different mechanical equipment and is provided with the lifting assembly, the height can be adjusted according to the requirements of different vehicle types and different working conditions, the first frame exhaust port is formed in the shielding frame of the secondary jacking device, the exhaust efficiency can be improved, and the secondary jacking device can be closed in rainy days to avoid rainwater invasion.
Owner:CRCC HIGH TECH EQUIP CORP LTD

Methods for the rehabilitation and stabilization of a track bed

The present invention relates to a method for the rehabilitation and / or stabilization of a track bed (1), wherein railway rails (3a, 3b) are attached to sleepers (2) and the sleepers (2) are arranged in or on the track bed (1) and stones, ballast (8) or the like are located in the track bed (1), wherein the rehabilitation and / or repair is carried out in the track bed (1) itself without detaching the sleepers (2), the rails (3a, 3b), and / or without removing the sleepers (2) from the track bed (1), wherein the sleepers (2) have a central section and two end sections, and the central section is located between the two end sections, wherein a continuous opening (4) is produced through the sleeper (2) in the region of the first end section and / or the second end section and / or the central section, preferably the opening (4) is produced by a bore, wherein a material, preferably an injection resin, is injected into the opening (4) or openings.which solidifies or hardens after application, wherein the injection resin, when injected through the opening (4) in the sleeper (2), enters the area below the sleeper (2) in the track bed (1) and there wets the track bed material, namely stones, ballast (8) or the like, and fills gaps and / or cavities in the track bed (1), and after the injection resin has solidified, the area of ​​the track bed (1) that is wetted by the injection material, or whose gaps and / or cavities are filled, forms a compact body (15) on which the sleeper (2) rests.
Owner:GETEK GESELLSCHAFT FÜR INNOVATIVE TECHNIK GMBH

A method for monitoring the subsidence of a high-speed magnetic levitation track

The present invention discloses a method for monitoring the settlement of a high-speed magnetic levitation track. First, during the travel of a magnetic levitation train, the communication signal power value of an existing high-speed magnetic levitation millimeter wave communication system is extracted, and a received power curve of the line is drawn. Then, by analyzing the changes in the received power curve, the settlement of the track is detected, and the settlement value is extracted using the offset of the peaks and troughs to achieve track monitoring. The method of the present invention is based on a dual-path propagation model in wireless communication and relies on an existing high-speed magnetic levitation millimeter wave communication system. It overcomes the problems of complex operation and poor real-time performance of existing track monitoring methods, and also solves the difficult problems of high cost and multiple environmental restrictions of modern track monitoring technology. It can serve as a powerful supplement to existing monitoring systems and is applicable to high-speed magnetic levitation tracks, as well as high-speed railways, ordinary railways, and even low-speed railways, where track settlement monitoring is required. It has the advantages of good real-time performance, a wide measurement range, and low cost.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Left / right switching rail transport vehicle

It also facilitates the movement of heavy objects such as rails and sleepers. [Solution] The left and right pair of foldable tower sections 12L and 12R are provided on the rail transport vehicle body 11 via a horizontal rotation axis so as to be able to stand up and fold down in the longitudinal direction of the track rail, and the upper foldable tower sections 12L2 and 12R2 are provided on the upper part of the lower foldable tower sections 12L1 and 12R1 via horizontal rotation mechanisms 12L3 and 12R3 so as to be able to rotate with the longitudinal direction of the lower foldable tower sections 12L1 and 12R1 as the axis of rotation. By rotating the upper foldable tower sections 12L2 and 12R2 relative to the lower foldable tower sections 12L1 and 12R1 via the horizontal rotation mechanisms 12L3 and 12R3 of the lower foldable tower sections 12L1 and 12R1, not only rails but also heavy objects such as sleepers can be moved.
Owner:ユニオン建設 +1