439results about "Railway cleaning" patented technology

The invention relates to the technical field of road traffic management and maintenance, in particular to a method for configuring ice and snow removing and traffic keeping mechanical equipment in a regional road network, which comprises the following steps of: formulating a standard road section length standard for configuring ice and snow removing mechanical equipment; dividing the roads into different grades based on the requirements of unobstructed and unobstructed road maintenance of different road sections in the regional road network; corresponding ice and snow removing operation time limit requirements are provided according to different grades of roads and different snow conditions; according to the regional characteristics, selecting proper conventional ice and snow removing mechanical equipment types; determining the configuration number of ice and snow removing equipment based on the equipment operation parameters and the actual condition of the road; and in combination with different snow conditions and different grades of roads, an applicable ice and snow removal operation combination mode is calculated, and the number of operation combination tables is determined. According to the method, the configuration number of the equipment is determined by combining the operation parameters of the equipment with the actual condition of the road, so that the allocation of the equipment is more scientific and reasonable, the problem of resource waste is reduced, and the unobstructed and smooth capability of the road in winter is improved.

The invention relates to the technical field of train track obstacle clearance devices, in particular to an obstacle clearance device for a train track, which comprises two mounting parts and an oil storage mechanism mounted at the bottoms of the two mounting parts, and two groups of driving mechanisms are mounted at the bottom of the oil storage mechanism; wherein a grinding mechanism abutting against a pair of rails is installed in one driving mechanism, two sets of walking wheels roll on the two rails, a motor vehicle drives the walking wheels to roll on the rails, and at the moment, due to the fact that a connecting base is slidably connected to a sliding rod, and a rotating connecting rod between the connecting base and the walking wheels is eccentrically arranged, the motor vehicle drives the walking wheels to roll on the rails; and when the two walking wheels on the left side roll on the rail, eccentric rotation of the connecting rods is achieved, the connecting bases further move left and right on the sliding rods, finally, grinding assemblies at the bottoms of the two connecting shells on the left side grind the surface of the rail, stable running of train wheels is facilitated, friction force and shaking are reduced, and the service life of the rail is prolonged.

The utility model discloses a track snow removing device which is characterized in that a track trolley frame is used as a bearing platform, four traveling wheels are mounted at the bottom of the track trolley frame, and the track trolley frame is connected with a motor vehicle through a car coupler; a snow removing shovel is connected to the forefront portion of the rail trolley frame and is in a V shape. A snow throwing fan is arranged behind the snow removing shovel and integrated with a snow collecting auger, and the top of the snow throwing fan is connected with a snow throwing barrel. A snow sweeping rolling brush is installed behind the snow collecting auger, and two rail surface deicing devices are installed between the snow sweeping rolling brush and the rear shaft walking wheels. An electric control system is arranged on the rail trolley frame and is connected with the motor vehicle through a quick-connection plug to take electricity; the hydraulic pump station is connected with the snow throwing fan, the snow collecting auger and a hydraulic motor installed on the snow sweeping rolling brush through a hydraulic pipeline. According to the multifunctional snow remover, the snow removing mode design integrating pushing, shoveling, sweeping and throwing is adopted, multiple functions are integrated, and the small and comprehensive function design is achieved; and the capital cost is reduced, and the operation efficiency is improved.

The utility model relates to the technical field of rail rust removal, and particularly discloses a rust removal device for railway rails, which comprises a frame and a driving device mounted on the frame, and the power output end of the driving device is connected with an output shaft; two groups of track rollers are mounted on the rack; a transmission box and a positioning box are installed on one side of the rack, a rotating rod is installed on one side of the transmission box, a polishing roller is installed at the end, away from the rack, of the rotating rod, the rotating rod extends into the transmission box to be connected with a driven gear, and an output shaft extends into the transmission box to be connected with a driving gear meshed with the driven gear. The shaft end, away from the output shaft, of the driving gear is connected with a first belt wheel through a connecting shaft. The grinding rollers are used for grinding and derusting the surface of the rail, derusting is carried out during rotation of the grinding rollers, the grinding rollers directly act on the surface of the rail in a mechanical friction mode, rust and dirt can be rapidly and effectively removed, rotating derusting does not depend on chemical reagents, harmful waste liquid or waste gas cannot be generated, and the device can conveniently move along the rail for cleaning.

The invention relates to the technical field of docking blocks, and discloses a movable docking block which is mounted in a dock and comprises a track and a docking block body, the track is arranged on the bottom surface in the dock, mounting grooves are formed in the two sides of the lower end of the docking block body, the docking block body is clamped on the track through the mounting grooves, and driving walking mechanisms are arranged in the two mounting grooves. The driving walking mechanism is located at the upper end of the track, a T-shaped groove is formed in the upper end of the docking block body, and the docking block body is provided with a height adjusting assembly through the T-shaped groove. According to the movable docking block, by arranging the driving walking mechanism, when the docking block body needs to be moved, the docking block body can be effectively jacked up to be separated from the ground through working of a hydraulic jacking rod, then motor core walking wheels are started, the docking block body moves to a marking position along a track, positioning is completed, and time and labor are saved; the inclined rods and the limiting guide wheels are arranged, so that the docking block can be effectively matched with walking wheels of a motor core, and inclination of the docking block body is avoided.

The invention discloses a railway turnout snow removal device and a control system, and relates to the technical field of railway turnout snow removal. High-pressure air flow is output through a high-pressure air supply unit, and the air flow is fed into a turnout purging device through connection and cooperation of a main pipeline steel pipe, a shunting head and a rubber hose; the inter-turnout purging device is arranged between a railway turnout switch rail and a stock rail, a rubber hose is fixed to the bottom of a steel rail of a railway turnout through a mounting clamp, the rubber hose is connected with a nozzle through a right-angle adapter, and air flow is output between the railway turnout switch rail and the stock rail through the nozzle to form a wind barrier. A high-pressure blowing snow removal mode is adopted, and compared with an electric heating snow melting mode, the energy consumption is lower, the snow removal effect is better, and the snow removal efficiency is higher; the whole snow removing device is easy to automatically control, the labor cost can be greatly reduced under the extremely cold weather condition, and meanwhile the snow removing safety is improved.

The utility model discloses auxiliary equipment for track defect maintenance, relates to the technical field of track maintenance, and aims to solve the problem that the maintenance efficiency is low due to the fact that most of track maintenance is carried out through manual hand holding in the prior art. The auxiliary equipment comprises a rack, and two ends of the rack are respectively provided with two moving wheels for driving the rack to move; an adjusting shaft is rotationally arranged in the rack, the surface of the adjusting shaft is sleeved with a triangular support, six-degree-of-freedom mechanical arms are fixed to the three ends of the triangular support respectively, a grinding machine, a welding machine and a fastener mounting machine which are used for maintaining a rail are arranged at the output ends of the three six-degree-of-freedom mechanical arms respectively, and an adjusting assembly is arranged between the rack and the adjusting shaft. The adjusting assembly is used for adjusting the required six-degree-of-freedom mechanical arm downwards; through precise control of the six-degree-of-freedom mechanical arm and in combination with detection equipment such as a laser radar, a high-definition camera and an ultrasonic sound detector, track defects can be accurately recognized and positioned.

The invention relates to railway mechanical damage detection and repair equipment, and relates to the technical field of railway flaw detection. Comprising two sets of supporting rods, a telescopic rod is arranged between the two supporting rods, the two ends of the telescopic rod are connected with n-shaped plates in a clamped mode, and the two ends of each n-shaped plate are rotationally provided with walking wheels in the height direction of the n-shaped plate; the railway flaw detection device can solve the following problems in the railway flaw detection process in the prior art: firstly, by arranging the cleaning mechanism, sundries on the sleepers and the steel rails are cleaned, the sundries on the sleepers and the steel rails are effectively cleaned, guarantee is provided for subsequent detection and maintenance work, and safe and efficient operation of the railway is ensured. Secondly, the supporting rods and the [-shaped plates are ingeniously arranged, and the detectors and the recorders are installed on the supporting rods and the [-shaped plates, so that comprehensive monitoring of the two sides of the steel rail and the sleepers is achieved, the monitoring range is wider, data are more accurate, and powerful scientific data support is provided for railway management departments.

The utility model belongs to the technical field of rail traffic, and particularly discloses a dust collection type rail self-cleaning device which comprises a movable trolley, and a dust collection device used for sucking and collecting dust is arranged at the rear end of the top of the movable trolley. A sweeping assembly used for sweeping dust in the I-shaped steel rail and a symmetrical dust collecting assembly used for guiding and collecting swept dust and sundries are arranged below the movable trolley, the sweeping assembly comprises brush rollers symmetrically arranged on the two sides of the I-shaped steel rail, and the tops of the brush rollers are connected with a servo motor through a shaft rod. The servo motor is mounted at the bottom of the movable trolley; the dust collection assembly comprises a dust collection frame and a dust collection head which are symmetrically arranged on the two sides of the I-shaped steel rail, one end of the dust collection head is fixedly connected with the dust collection frame, and the other end of the dust collection head is fixedly connected with a dust collection device through a connecting pipe.

To provide an information processing system that can improve snow removal efficiency.SOLUTION: An information processing system 10 includes a snow removal target data creation part 232, a snow accumulation estimation part 233, a priority setting part 234, and a route setting part 235. The snow removal target data creation part 232 creates information on multiple roadways from which snow should be removed. The snow accumulation estimation part 233 estimates the amount of snow on each of the multiple roadways. The priority setting part 234 sets a priority of snow removal for each of the multiple roadways based on the amount of snow on each of the multiple roadways. The route setting part 235 sets a recommended snow removal route capable of removing snow from the multiple roadways based on the priority of each of the multiple roadways.SELECTED DRAWING: Figure 3

The present invention relates to the field of railway maintenance equipment and discloses a mobile maintenance device for urban railway tracks, comprising a track trolley, wherein two guide rods are fixedly installed on one side of the track trolley, a fixed frame is fixedly installed in the middle of the guide rods, a first movable frame is movably installed on the outer diameter of the guide rod away from the track trolley, grinding blocks are fixedly installed on both sides of the bottom end of the first movable frame via two spring rods, both ends of the transmission shaft extend to the outside of the fixed frame and are fixedly installed with a flywheel, a connecting rod is movably installed on one side of the outer end of the flywheel, and the ends of the connecting rods are movably installed in the middle of the front and rear sides of the first movable frame, and a second movable frame is movably installed on the outer diameter of the guide rod close to the track trolley. The present invention integrates grinding, cleaning, and painting, can efficiently remove dirt and rust, clean dirt, and evenly spray paint, realizing an integrated maintenance process, greatly improving maintenance efficiency and quality, and extending the life of the track.

The utility model belongs to the technical field of track polishing, and particularly relates to a track connector polishing device which comprises a track, a supporting frame and a first linear motor, a clamping groove is formed in the bottom of the supporting frame, the supporting frame is arranged on the track through the clamping groove, first electric push rods are symmetrically arranged on the two sides of the supporting frame, and the first electric push rods are arranged on the first linear motor. A clamping plate is arranged in the clamping groove, one end of the first electric push rod is connected with the clamping plate, and the first linear motor is arranged at the top of the supporting frame. The horizontal plane and the vertical plane of the track connector are polished, the optimal profile of a steel rail can be recovered, adjustment can be conducted more rapidly and accurately, the intelligent degree is high, and the polishing efficiency and quality are improved.

The utility model discloses an efficient and safe heating device for a railway turnout snow melting locking frame. The efficient and safe heating device comprises a vehicle body and a heating mechanism. Heating mechanisms are mounted on the two sides of the vehicle body, an efficient mechanism is mounted at one end of the vehicle body, and a protection mechanism is mounted on the outer side of the vehicle body; the protection mechanism comprises a protection frame, a heating assembly and an arc plate, the protection frame is movably mounted on the outer side of the vehicle body, the heating assembly is mounted at the inner top of the protection frame, and the arc plate is mounted at the top of the protection frame; the protection frame, the heating assembly and the arc plate are used in cooperation, the efficient mechanism and the heating mechanism can be subjected to heating protection through the protection frame, heat dissipation heat energy of the heating assembly can achieve the heating protection effect on assemblies in the protection frame, and it is avoided that liquid in the efficient mechanism is condensed to affect later use; snow can be prevented from being accumulated on the surface of the protection frame through the arc plate, and therefore the melting effect of the device on the snow on the railway turnout can be improved.

The embodiment of the invention relates to the field of removing ice and snow on railway turnouts, in particular to turbojet ice and snow removing equipment which comprises a body, a turbojet engine and an air compressor. A fuel inlet, an air inlet and a high-temperature and high-pressure gas outlet are formed in the body, the turbojet engine and the air compressor are arranged in the body, fuel enters the body from the fuel inlet so as to enter the turbojet engine, and external air enters the body from the air inlet so as to enter the air compressor; the turbojet engine generates high-temperature and high-pressure gas through fuel and external air, the high-temperature and high-pressure gas is output from the turbojet engine and exhausted from the high-temperature and high-pressure gas exhaust port, and the exhausted high-temperature and high-pressure gas purges the position to be purged. The body is configured to reduce vibration of the turbojet engine. According to the turbojet ice and snow removing equipment provided by the embodiment of the invention, accumulated snow, frozen snow and frozen ice on a railway are melted and blow-dried through high-temperature and high-pressure gas, ice and snow on the railway can be efficiently and comprehensively removed, and normal work of the railway is guaranteed.

The present application relates to railway line detection and flaw detection technical field, especially to a kind of railway line automation comprehensive detection and flaw detection equipment, including two rails and flaw detection car, still including C-shaped mounting plate, buffer assembly, waist detection mechanism and bottom detection mechanism, the inside of the C-shaped mounting plate is provided with head detection assembly, first fixed rod is transversely provided in the C-shaped mounting plate, the both ends of the first fixed rod are slidably connected with fixed sleeve, and the end of the two fixed sleeves away from each other is respectively provided with balance assembly.The advantages are that different detection components are set for different detection areas, so that the rail detection of different parts is more efficient and accurate, and different types of defects can be detected, the detection cycle is shortened, the head detection assembly maintains dynamic balance state by the cooperation of balance assembly and buffer assembly, effectively protects the probe from vibration damage, and improves the adaptability of probe to rail change and the stability of probe detection.

The invention relates to the technical field of rail transit, in particular to a high-speed large-air-volume turnout snow and sand removing device and method.The high-speed large-air-volume turnout snow and sand removing device comprises an air compression mechanism used for generating high-speed large-air-volume air, the air conveying end of the air compression mechanism is communicated with at least one air conveying pipe, and a nozzle is installed at the free end pipe opening of each air conveying pipe; the free ends of the multiple air conveying pipes are installed at the turnout position of a track, high-speed and high-pressure air flow is sprayed to a gap space formed between a turnout switch rail and a stock rail through the arrangement of the first air conveying pipe, the second air conveying pipe, the first flow dividing nozzle and the second flow dividing nozzle, an air curtain is formed, and falling snow and sand dust in the gap space are prevented and removed. Through the arrangement of a third air conveying pipe, a fourth air conveying pipe, a third nozzle and a fourth nozzle, high-speed and high-pressure air flow is sprayed to the areas of the action rod and the indication rod of the switch machine, a vortex area is formed, and falling snow and sand dust in the areas of the action rod and the indication rod of the switch machine are prevented and removed.

Presented is a rail track cleaner vehicle configured for cleaning rail area. The rail track cleaner vehicle includes a wheel assembly, a main frame, a liquid sprayer assembly, an air blower assembly, a vacuum assembly and an electric motor assembly. The rail track cleaner vehicle comprises a plurality of optical camera to capture real time image of the rail area. The rail track cleaner vehicle efficiently and effectively clean the rail area and enables a remote personnel to inspect the cleaning process. The rail track cleaner vehicle substantially reduces manual labor and effort to clean the rail area.

The utility model discloses a road-rail dual-purpose vehicle for disaster prevention and control. The road-rail dual-purpose vehicle comprises a road vehicle body, a rail traveling mechanism and a snow removing mechanism, the rail traveling mechanism comprises a lifting guide frame and guide wheels, the guide wheels are all arranged on the lifting guide frame, and the lifting guide frame is used for lifting and lowering the guide wheels; the snow removing mechanism comprises a snow shoveling assembly, a snow melting assembly and a snow sweeping assembly, and the snow shoveling assembly, the snow melting assembly and the snow sweeping assembly are sequentially arranged on a vehicle head of the road vehicle body from left to right and used on a road or a railway. The road vehicle body is matched with the rail traveling mechanism, the traveling mode of the road and the traveling mode of the rail can be switched, the vehicle can travel on the road and can also travel on the rail, snow shoveling, snow melting and snow sweeping are matched in the traveling direction through the snow removing mechanism, efficient snow removing is achieved, and the snow removing efficiency is improved. The snow removing requirements of roads and railways can be met simultaneously.

The invention discloses a rail oil film removing system and method. The rail oil film removing system comprises a rail vehicle and enhanced treatment equipment loaded on the rail vehicle. The vehicle is connected with a rail oil removing device through a flexible connecting mechanism; a first connecting plate of the flexible connecting mechanism is connected with the vehicle, and a second connecting plate of the flexible connecting mechanism is connected with the rail oil removing device; the first connecting plate is rotationally connected with the first end of the connecting rod, and the second connecting plate is rotationally connected with the second end of the connecting rod; the rail oil removal device comprises a frame capable of moving along a rail, and a first oil removal mechanism, a second oil removal mechanism and a cleaning mechanism are arranged on the frame. The first oil removing mechanism is used for removing an oil film of a track fillet; the second oil removal mechanism is used for removing an oil film on the inclined surface of the rail; the cleaning mechanism is located on the rear sides of the first oil removing mechanism and the second oil removing mechanism, and the purpose of efficiently and thoroughly removing the oil film on the surface of the rail is achieved through cooperation of a staged and multi-stage oil removing technology and the technical means of the flexible connecting mechanism.

The utility model relates to the technical field of explosion-proof ground rails, in particular to an explosion-proof ground rail convenient for dust cleaning, which comprises a ground rail main body, a movable bottom plate is arranged on the ground rail main body, a straight-tooth right-handed gear and a right-handed helical rack which are in meshing transmission are arranged at the bottom of the movable bottom plate, and a vertical plate is arranged at the bottom of the movable bottom plate. A rotating arm and a mounting plate are arranged on the front side plate face of the vertical plate, a connecting arm is rotatably mounted at the end of the rotating arm, a swing arm is rotatably connected to the mounting plate, the movable end of the connecting arm is rotatably connected to the middle of the swing arm, and a mounting support is fixedly connected to the tail end, away from the mounting plate, of the swing arm. According to the explosion-proof type ground rail structure, the cleaning brush which is originally fixedly installed is designed to swing back and forth, in the advancing process of the movable bottom plate, the cleaning brush can synchronously and comprehensively clean dust on the surface of the rack, and the dust cleaning efficiency can be improved.

The utility model relates to a detection vehicle, belongs to the technical field of railway detection, and particularly relates to a portable and foldable nondestructive detection vehicle for ballast bed internal diseases, which comprises two shells, and the inner walls of the tops of the two shells are respectively and fixedly connected with a telescopic column I; the rail distance between the two shells is adjusted through the telescopic assembly, and then a push handle is pressed to drive a mounting plate on a first telescopic column to move upwards, drive a rack to rotate a gear, drive a threaded rod on a rotating shaft to rotate and drive a second telescopic column on a threaded block to move relatively. According to the rail cleaning device, the first scraper is driven to drive the second scraper to clean the two sides of the rail, moving cleaning of three faces of the rail is achieved, the rail cleaning effect is improved conveniently, and the problems that when an existing device cleans the rail, only the top of the rail can be cleaned, the other two sides of the rail cannot be cleaned at the same time, and certain limitation exists in the using process are solved. And the cleaning efficiency of the rail is further reduced.

The present invention relates to the technical field of rails, and proposes a conversion device in a rail switch, including a movable frame, which is movably arranged relative to the second straight rail, and has connecting parts at both ends, the two connecting parts are connected to the first point rail and the second point rail, and the movable frame is used to drive the first point rail and the second point rail to move synchronously; the bracket is fixed relative to the second straight rail; there are a number of swinging members, which are rotatably arranged on the bracket, and a number of swinging members are arranged at intervals, and one end of a swinging member is hinged to the movable frame; there are a number of sliding rods, which are slidably arranged on the bracket, and a number of sliding rods are arranged in parallel, and each sliding rod is hinged to each swinging member; there are a number of connecting members, which are respectively arranged on the third point rail and the fourth point rail, and the third point rail and the fourth point rail are respectively hinged to a swinging member through the connecting member. Through the above technical scheme, the problem that deformation may occur in the prior art when performing multi-station switching, resulting in the point rail not being switched into place, increasing the risk of derailment, is solved.

The utility model relates to the technical field of trolleys, and provides a rail transit tunnel operation trolley which comprises a portal frame, a bearing beam and an arc-shaped formwork, the bearing beam is fixed to the top of the portal frame, and the formwork is located on the outer side of the portal frame and the outer side of the bearing beam and fixedly connected with the portal frame and the bearing beam. Pressure sensors are installed at the multiple joints of the portal, the bearing beam and the formwork, the multiple pressure sensors are symmetrically distributed, and a PLC electrically connected with the pressure sensors is installed on the portal. The beneficial effects of the utility model are that a worker can observe the stress of the pressure sensor through a mobile phone, so as to know the pouring process and whether the two sides of the trolley are symmetrically stressed or not in the pouring process, so that construction errors can be corrected in time, and the loss is reduced; in addition, obstacles in front of the pulleys can be swept in an air injection mode, so that the stable advancing of the trolley can be ensured, and the safety and the stability during construction are enhanced.

The utility model discloses a railway engineering maintenance turnout snow and sand removal purging device which comprises a supporting frame and further comprises pressure purging mechanisms connected to the two sides of the supporting frame, the pressure purging mechanisms are symmetrically distributed, and pressure gas is sprayed out in the length direction of parallel rails through the pressure purging mechanisms. The pressure purging mechanisms are attached to the guide rail and form a purging angle with the ground, a guide blowing mechanism is connected between the symmetrical pressure purging mechanisms, and gas is transversely pushed along the two sides of the guide rail direction and used for pushing sundries out of the ballast bed. The utility model belongs to the technical field of railway engineering maintenance devices, and particularly relates to a railway engineering maintenance turnout snow and sand removing purging device which improves the purging area of a track and track beds on the two sides, guides purging sandy soil and snow to flow, and improves the purging cleaning efficiency.

This application provides a method for track grinding and sludge removal, comprising: a grinding vehicle and a sludge suction vehicle moving to the work area; the grinding vehicle lowering its grinding device and reciprocating between the start and end points of the work area to perform grinding operations; when the grinding vehicle reaches the end where the sludge suction vehicle is located, the sludge suction vehicle lowers its waste collection device; when the grinding vehicle turns back from the end where the sludge suction vehicle is located, the sludge suction vehicle follows the grinding vehicle to perform sludge suction operations. Using the above-mentioned track grinding and sludge removal method can effectively reduce maintenance time during track closures, improve grinding efficiency, achieve fully automated grinding and cleaning, reduce cleaning personnel and labor intensity, and efficiently absorb grinding iron powder, dust, and other contaminants, protecting the natural environment and human health.

The present application belongs to the field of railway technology, and relates to a turnout area snow melting and deicing device, which comprises a shell, a pressure increasing device, and a driving device connected with the pressure increasing device. The shell comprises a first cavity which is arranged as a sealed cavity. The driving device and the pressure increasing device are arranged in the first cavity. The driving device is provided with at least one gas passage. The gas passage is in communication with the outside of the first cavity at the gas inlet end, and in communication with the inside of the first cavity at the gas outlet end. The air outlet of the pressure increasing device is in communication with the outside of the shell. The driving device drives the pressure increasing device to act. Negative pressure is generated at the air inlet of the pressure increasing device. Under the action of the pressure difference between the inside and outside of the first cavity, the gas outside the first cavity enters the first cavity through the gas passage, is sucked into the pressure increasing device, is compressed in the pressure increasing device, and is sprayed out of the air outlet of the pressure increasing device. The driving device and the pressure increasing device rotate synchronously. The compressed high-pressure air is sprayed out of the air outlet of the pressure increasing device at high speed. The device is convenient to install and use.

The embodiment of the present application provides a cleaning system and operation method of a track cleaning vehicle. The cleaning system includes: a cleaning component for cleaning the track; a mounting component, wherein the upper end of the mounting component is used to be fixed to the track cleaning vehicle, and the lower end is fixed to the cleaning component, and the mounting component is used to extend and retract in the lateral direction to drive the cleaning component to extend and retract in the lateral direction; wherein, when the mounting component is extended in the lateral direction to a preset extended position, the cleaning component at least partially exceeds the limit of the track cleaning vehicle to clean the track, and when the mounting component is retracted in the lateral direction to a preset retracted position, the cleaning system meets the limit requirements of the track cleaning vehicle. The embodiment of the present application solves the technical problem that the traditional railway roadbed suction vehicle can only clean within the range of the sleepers of the track.

The utility model relates to the technical field of rail cleaning, and discloses a fixed rail snow removing device which comprises a plurality of gas cylinders, a plurality of air cylinders, a plurality of snow removing devices and a plurality of snow removing devices, and an air outlet piece is arranged at one end of an outlet of each gas cylinder and faces a rail; the fan is arranged on one side of the gas cylinder, and an air outlet of the fan is communicated with the gas cylinder through a pipeline structure so as to supply gas to the gas cylinder; the movement mechanism is arranged on one side of the gas cylinder and is used for intermittently discharging gas from the gas cylinder; wherein the movement mechanism comprises a plug body, the plug body is movably arranged at one end of an outlet of the gas cylinder, and the plug body is driven to intermittently plug / release the outlet of the gas cylinder. Pulse impact is carried out on the rail through compressed air so that automatic high-frequency snow removal can be achieved, accumulated snow layers can be compacted in a penetrating mode, residual accumulated snow in complex structures such as sleepers and railway ballasts can be effectively removed, potential safety hazards such as wheel slipping and brake distance prolonging caused by accumulated snow freezing are avoided, and driving safety is guaranteed; and compared with electric heating snow removal, the electric heating snow removal device is low in energy consumption and low in maintenance cost, and the operation and maintenance economical efficiency of the railway in winter is remarkably improved.

The embodiment of the utility model provides a tunnel ballast bed pulverized coal cleaning vehicle. The tunnel ballast bed pulverized coal cleaning vehicle comprises a power vehicle, a middle suction vehicle and a side suction vehicle which are sequentially connected through bearing connecting pieces. Wherein the power vehicle comprises a first engine, a second engine, a hydraulic system and an air compressor system and provides power for running and operation of the whole machine; the middle suction vehicle and the side suction vehicle are each provided with an operation device and have the functions of providing negative pressure and removing dust, in the operation process, parts in all the vehicles are matched with one another to achieve pulverized coal cleaning, pulverized coal in a tunnel ballast bed can be effectively removed and collected, and the railway maintenance machine is suitable for the technical field of railway maintenance machines.

The invention discloses a track grinding wagon for track maintenance, and relates to the technical field of track maintenance, the track grinding wagon comprises a plurality of linearly distributed sleepers, the tops of the plurality of sleepers are jointly and fixedly provided with two rails, the tops of the two rails are jointly and movably connected with a vehicle body, the rear part of the vehicle body is fixedly provided with a lifting assembly, and the lifting assembly is fixedly connected with the rail. Dust collection assemblies are fixedly mounted on the left and right positions of the front side of the lifting assembly correspondingly, grinding mechanisms are fixedly mounted on the left and right positions of the rear side of the lifting assembly correspondingly, and the grinding mechanisms and the dust collection assemblies are located over the rails correspondingly. According to the track grinding wagon for track maintenance, a six-edge rod and a six-edge hole are matched, so that a second connecting plate has a certain moving distance, and a second triangular belt can be driven to conduct transmission; and the design of the steel brushes is adopted, so that the two sides of the rail can be brushed conveniently, and rusty spots on the two sides of the rail can be cleaned.