CN212270812U - Rolling brush device for removing snow on track - Google Patents
Rolling brush device for removing snow on track Download PDFInfo
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- CN212270812U CN212270812U CN201921542562.3U CN201921542562U CN212270812U CN 212270812 U CN212270812 U CN 212270812U CN 201921542562 U CN201921542562 U CN 201921542562U CN 212270812 U CN212270812 U CN 212270812U
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Abstract
The utility model relates to a rolling brush device for removing snow on a track, which comprises a roller (2), a connecting bracket (7) and a sweeping brush (1) fixed on the excircle of the roller; two ends of the roller are connected with a driving device (3) through bearings, and a lifting oil cylinder assembly (6), a sliding groove assembly (4) and a manual locking device (5) are respectively arranged at two ends of the roller for lifting control, guiding and locking. The rolling brush device of the utility model can be lifted integrally, is very stable and reliable, can be lifted and retracted within the range of the limit of the rolling stock during interval operation, and can be lowered to the surface of the sleeper plate at the lowest during operation; the rolling brush device is arranged on a snow removal working trolley of the track snow remover, can integrally move, can be retracted onto the main trolley, does not influence the interval running performance of the track snow remover, and can be released for snow removal operation; proper brush wires are selected, the rotating speed and the depth are reasonably matched, accumulated snow on a track bed can be swept up during high-speed operation, and meanwhile, track bed line equipment is not damaged.
Description
Technical Field
The utility model relates to a snow sweeping equipment technical field particularly, relates to a round brush device for track snow removing.
Background
In northern and plateau cold areas, snow falls in winter can be accumulated on railway lines, when the snow falls in large quantity, snow covers railway rails even, the railway rails are difficult to maintain and overhaul, the line condition is unclear, potential safety hazards exist, and the train operation safety is seriously affected, so that timely clearing of the snow on the lines is very important in the railway line maintenance process.
The accumulated snow on the track line is cleared by two modes of manual snow shoveling and mechanical cleaning. The manual snow shoveling method needs more personnel, has large labor amount and high labor intensity, takes longer cleaning time and has poor working environment conditions, and in addition, the passing density of a train is higher, and the safety of constructors is difficult to ensure; besides rail sleepers, spikes and steel rails, various line equipment such as a capacitor box and a signal line are arranged on a railway line, the actual situation is very complex, snow removal operation is required on the premise of meeting the running conditions of the railway line, and the line equipment cannot be damaged by the snow removal operation, so that the mechanical snow removal device is complex in requirement, extremely high in difficulty and less in mature mechanical equipment.
At present, foreign railways widely adopt a mode of mounting a propeller snow winching machine or a rotary cutting type snow throwing machine on a railway locomotive, and are only used for cleaning deeper snow on the surface of a steel rail so as to ensure that a train can normally pass through. The method needs to install a propeller snow winching machine or a rotary cutting type snow throwing machine right in front of the train to influence the normal coupling of the train, and in order to ensure the safety under the condition of high driving density, the technical standard of the railway industry in China does not allow, the method cannot be adopted for removing snow, and the railway in China still mainly adopts a mode of manually shoveling snow at present.
In China, some airports and roads adopt rolling brushes to sweep snow, but because the airports and the roads are relatively flat, strict requirements on running tracks of vehicles are not required, and the requirement on snow sweeping speed is not high. Compared with the snow sweeping rolling brush devices used in the industries, the rolling brush devices adopted by the track snow sweeper have obvious differences in connection mode, structure, principle, operation effect and the like.
At present, no rolling brush device for snow sweeping operation of railway lines is available at home and abroad, only partial airports and roads adopt rolling brushes to sweep snow, and the existing rolling brush device mainly has the following characteristics:
1) the snow sweeping device has different application fields and low requirements on use environment, is mainly used for snow sweeping equipment such as airports, highways and the like, and is mainly used for sweeping the snow on a flat road surface, so that the road surface condition is simple, and the operation has no other special requirements;
2) the rolling brush device is usually arranged at the front end of the snow sweeping equipment, the height of the rolling brush is not required to be adjusted or is not frequently adjusted in the snow sweeping process, and the structure of the mounting and fixing device is simple;
3) in order to enhance the cleaning force and the wear resistance, the brush filaments of the rolling brush are usually made of steel brush filaments, or the steel brush filaments are mixed with plastic and nylon;
4) the roller of the rolling brush is usually an isometric round roller, so that the structure is simple and the installation is convenient;
5) the installation is hardly limited by space, and the width of the rolling brush device can be set according to the snow sweeping operation range;
6) only one working direction is available, namely, snow sweeping can be carried out only forwards (the rolling brush device is arranged in front);
7) the snow sweeping operation speed is generally lower, and the installed power is lower.
Railway equipment is limited by line operating conditions, and installation space, use requirements and the like of the railway equipment are greatly different.
For example, the patent of the Chinese utility model with the publication number of CN 203639872U discloses a snow sweeping rolling brush, which comprises a brush holder and a rolling brush, wherein two ends of the rolling brush are in transmission connection with the brush holder through a motor holder; the motor is arranged in the motor frame, the middle position of the brush frame is connected with a rotatable revolving frame, and the brush frame is connected with the revolving frame through a shaft. One side of the revolving frame is hinged with a connecting frame through a first connecting rod and a second connecting rod, an oil cylinder is installed on the brush frame, a piston rod of the oil cylinder is connected with the revolving frame, the brush frame can swing within a certain range under the action of the oil cylinder, the quick connection design is adopted, the installation and the disassembly are quick and convenient, the brush frame can be installed on various automobile chassis and engineering loaders, and the utilization rate, the interchangeability and the operation response speed of equipment are fully improved. The supporting wheel is removed, so that the device is more concise and efficient, the maintenance work of the supporting wheel is removed, and the stability of the product is improved. However, the snow sweeping roller brush can only be applied to the occasions where the road surface is flat, such as highways, airports and the like, can only work towards one direction, and has high installation requirements.
For example, the chinese patent with publication number CN 104111660B discloses a snow sweeper, and a device and a method for controlling the lifting of a rolling brush of the snow sweeper. This round brush lifting control device includes: the controller calculates an actual height value according to data detected by the first sensor and the second sensor, compares the actual height value with a preset height set value, runs a PID control algorithm, and controls the rolling brush to ascend and descend to the set height according to a calculation result. The roller brush lifting control device and method of the snow sweeper can keep the ground clearance of the snow sweeper stable, enables operators not to need to manually operate outside a driving cab in cold weather, and improves the operation comfort of the workers. However, the invention can only be applied to the occasions where the road surface is flat, such as a highway, an airport and the like, can only work towards one direction, and can be installed at the end of a road vehicle, so that the space limitation is small.
Disclosure of Invention
In order to solve the technical defect that the prior art exists, the utility model aims to provide a track is removed snow and is used round brush device and operation method thereof, the mechanical equipment of maintaining a way that is used for the railway line snow removing specially, can not only clear away the more dark snow on the rail surface, in order to guarantee that the train can normally pass through, and simultaneously, the round brush device that it has can also clean the snow between sleeper surface to the rail face, make the rail that is covered by snow originally, the weight such as fastener exposes, eliminate the obscure potential safety hazard of line situation that snow caused, fully guarantee the operation security of train.
The rolling brush device of the track snow sweeper can sweep the accumulated snow on the track bed away from the track bed through the rolling brush rotating at a high speed and enter the snow throwing fan to be thrown out, so that the purpose of clearing the accumulated snow on the surface of the track bed is achieved.
In China, some airports and roads adopt rolling brushes to sweep snow, but because the airports and the roads are relatively flat, strict requirements on running tracks of vehicles are not required, and the requirement on snow sweeping speed is not high. Compared with the snow sweeping rolling brush devices used in the industries, the rolling brush devices adopted by the track snow sweeper have obvious differences in connection mode, structure, principle, operation effect and the like.
In order to realize the above design purpose, the utility model discloses a scheme as follows:
the utility model provides a rolling brush device for removing snow on a track, which comprises a roller, a connecting bracket and a sweeping brush fixed on the excircle of the roller; the two ends of the roller are connected with a driving device through bearings, and the two ends of the roller are respectively provided with a lifting oil cylinder assembly, a sliding groove assembly and a manual locking device for lifting control, guiding and locking. The rolling brush device of the utility model can be lifted integrally, is very stable and reliable, can be lifted and retracted within the range of the limit of the rolling stock during interval operation, and can be lowered to the surface of the sleeper plate at the lowest during operation; the rolling brush device is arranged on a snow removal working trolley of the track snow remover, can integrally move, can be retracted onto the main trolley, does not influence the interval running performance of the track snow remover, and can be released for snow removal operation; proper brush wires are selected, the rotating speed and the depth are reasonably matched, accumulated snow on a track bed can be swept up during high-speed operation, and meanwhile, track bed line equipment is not damaged.
The snow sweeper is matched with a track snow sweeper to carry out mechanical snow removing operation on the surface of a railway track bed, accumulated snow above the sleeper surface of the track bed is swept away from the track bed through the rolling brush rotating at a high speed, and then enters a snow throwing device of the track snow sweeper to be thrown away from the track bed, so that the purposes of clearing accumulated snow on the surface of the track bed and guaranteeing the running safety of a line are achieved.
According to the running conditions of railway lines and the snow sweeping operation requirements, the rolling brush device is combined with the structure of a track snow sweeper, so that a plurality of problems to be solved are solved, and the rolling brush device mainly comprises the following aspects:
1) the snow sweeping operation range is wide, the installation space is limited, and the size of the rolling brush device needs to be strictly controlled. The maximum operation width of the rolling brush device cannot be smaller than 2.6mm, and meanwhile, the maximum width of the structure cannot exceed the limit of a rolling stock;
2) the rolling brush device can be lifted integrally, is required to be very stable and reliable, can be lifted and retracted to the range of the limit of a locomotive vehicle during interval running, and can be lowered to the surface of a sleeper plate during operation;
3) proper brush wires are selected, the rotating speed and the depth are reasonably matched, accumulated snow on a track bed can be swept up during high-speed operation, and meanwhile, track bed line equipment is not damaged;
4) the installation structure of the brush wire is reasonably designed, so that the replacement, the maintenance and the maintenance of the brush wire are convenient;
5) the lifting needs to be controlled stably, and meanwhile, the stroke positioning requirement is accurate;
6) the weight is controlled, and the integral strength and rigidity are required to meet the requirements;
7) a reliable locking structure is required.
Preferably, the sweeper is divided into 5 sections, and the number of the sweeper blocks is 10, wherein each sweeper block consists of brush filaments and a nylon plate.
In any of the above aspects, preferably, the nylon plate has a semicircular structure, and the inner diameter of the nylon plate is equal to the outer diameter of the drum.
In any of the above schemes, preferably, the nylon plate is uniformly distributed with a plurality of holes, each hole is internally fixed with a plurality of brush wires, and the brush wires are made of low-temperature wear-resistant nylon or a mixture of steel wires and nylon wires.
In any of the above aspects, the overall outer contour of the wiper is preferably contoured to the upper surface of the sleeper.
In any of the above aspects, preferably, the sweeper includes a middle sweeper, an at-rail clip sweeper, and an end sweeper.
In any of the above solutions, it is preferable that the lengths of the brush filaments on the nylon plate are different at different positions, and there is a gap at the rail sweeping position.
In any of the above schemes, preferably, the roller is a hollow three-section cylindrical structure, and is divided into a middle roller section, a left roller section and a right roller section.
In any of the above schemes, preferably, the outer circles of the middle roller section, the left roller section and the right roller section are all provided with a reinforcing plate.
In any of the above schemes, preferably, the middle roller section is composed of a middle hollow shaft and first bearing seats at two ends, and roller bearings are installed on the outer circles of the bearing seats at two ends.
In any of the above solutions, preferably, the end of the first bearing seat has a splined hole, and is connected with an output shaft of a hydraulic motor in the driving device.
In any of the above schemes, preferably, the left roller section and the right roller section have the same structure and are symmetrically arranged, and the outer diameters of the left roller section and the right roller section are larger than the outer diameter of the middle roller section.
In any of the above schemes, preferably, one end of the left roller section and one end of the right roller section are connected with the middle roller section, the other end of the left roller section and the right roller section are of an open structure, the inside of the roller is of a hollow structure, an installation space is provided for the driving device, and the driving device is inserted from the open end for installation.
In any of the above schemes, preferably, a plurality of service holes are opened on the circumference of the left roller section and the right roller section.
In any of the above embodiments, the driving device is a rotary driving mechanism of the drum and the sweeper brush, and is also a rotary supporting structure of the drum and the sweeper brush.
In any of the above aspects, preferably, the drive device includes a mount, a hydraulic motor, and a bearing.
In any of the above solutions, it is preferable that the driving devices have 2 groups, are arranged at two ends of the roller, and are respectively inserted into the left roller section and the right roller section.
In any of the above schemes, preferably, the mounting base includes a second bearing block, a cylinder and a guiding mounting plate, a bearing is mounted inside one end of the second bearing block, a hydraulic motor mounting spigot is arranged at the other end, and the hydraulic motor is mounted on the end face.
In any of the above schemes, preferably, one end of the cylinder is connected with the hydraulic motor mounting end of the second bearing seat, the hollow interior of the cylinder provides space for the hydraulic motor, and a plurality of holes are formed on the periphery; the other end of the cylinder is connected with the guide mounting plate.
In any of the above schemes, preferably, the guiding mounting plate is provided with a round hole corresponding to the inner hole of the cylinder, and is provided with a groove for mounting the oil pipe of the hydraulic motor, and meanwhile, the two sides of the guiding mounting plate are processed with guiding plate sections which are clamped in the chute assembly for guiding, and the top of the guiding mounting plate is the mounting position of the lifting cylinder seat and the locking device.
In any of the above schemes, preferably, the sliding chute assembly is a guide component of the whole rolling brush device, and has 4 groups, and the sliding chute assembly is located at 4 corners of the whole rolling brush device, and is used for respectively clamping a guide section of the drive device mounting plate, guiding the lifting of the rolling brush device, and simultaneously limiting the axial direction of the rolling brush device.
In any of the above aspects, preferably, the chute assembly comprises a mounting base plate and a chute.
In any of the above schemes, preferably, the cross section of the sliding groove is rectangular, and the bottom surface and the side surface of the groove are respectively provided with a bottom nylon plate and a side nylon plate, so as to play a role in lubrication during guiding.
In any of the above aspects, preferably, the sliding groove and the mounting base plate are fixed by a bolt.
In any of the above schemes, preferably, the mounting base plate is fixed on the working trolley frame, and a transverse positioning step is processed between the chute and the mounting base plate, so that the chute is accurately positioned, and a stable transverse force is provided.
In any of the above solutions, preferably, the top of the chute has no rib, and the chute is drawn out and taken down along the step on the mounting base plate without moving the driving device.
In any of the above schemes, preferably, the bottom of the sliding groove is provided with a bolt hole, and a limit bolt is installed to limit the lowest height of the rolling brush device.
In any of the above embodiments, preferably, the lifting cylinder assembly is a lifting control member of the entire rolling brush device, and there are 2 sets, which are respectively located at two ends of the rolling brush device.
In any of the above schemes, preferably, the lifting cylinder assembly includes a lifting cylinder, one end of the lifting cylinder is fixed on the mounting base plate of the driving device, the other end of the lifting cylinder is fixed on the working trolley, and the lifting cylinder is provided with a position sensor for displaying the extending position of the cylinder in real time and monitoring the descending height of the rolling brush device.
In any of the above schemes, preferably, the connecting bracket directly connects the driving devices at the two ends, so that the roller, the left driving device, the bracket and the right driving device form a closed box-shaped integral structure.
In any of the above schemes, preferably, the middle of the connecting support is a connecting rod member, and two ends of the connecting support are respectively provided with a support fixing plate which is connected with the driving device mounting plate through a bolt.
In any of the above schemes, preferably, the locking device is located at 4 corners of the rolling brush device, and is composed of a pin shaft, a hole locking plate and a limiting plate, and when the rolling brush device is located at an upper position, reliable locking is performed.
The utility model discloses the second aspect provides a track is removed snow with round brush device's operation process, and it includes following step:
step A: in a non-operation state, the rolling brush device is reliably fixed on a middle working trolley of the track snow remover through the locking device, and the whole rolling brush device is within the limit range of the locomotive, so that the interval running of the whole locomotive on a railway line is not influenced;
and B: when the rolling brush device reaches an operation area for preparation operation, the rolling brush device firstly falls to a position close to a rail surface along with the working trolley, then 4 locking pins of the rolling brush device are pulled out, the locking device is unlocked, and the rolling brush device can vertically lift along the sliding chute assembly;
and C: the operation running direction is selected, the hydraulic motors of the driving device are operated in a cab to run, and the two hydraulic motors are oppositely arranged at the two ends of the middle roller, so that the rotating directions of the two motors are opposite, but the rotating directions of the final driving roller and the sweeper brush are matched with the operation direction, and the brush wires can sweep the accumulated snow on the track bed from the back to the front and the upper part when the sweeper brush rotates;
step D: the lifting oil cylinder assembly is controlled to enable an integral structure formed by the sweeping brush, the roller, the driving device and the connecting support to stably and vertically descend along the sliding chute assembly 4, when the flexible brush wires touch accumulated snow on the surface of the track bed under the action of centrifugal force of high-speed rotation, the flexible brush wires can be swept forwards to enter a snow throwing device of the working trolley, but the flexible brush wires cannot be damaged when touching line equipment such as cables, a capacitance box and the like, and the snow sweeping operation can be continuously carried out forwards by controlling the whole vehicle to move forwards;
step E: during the forward snow sweeping operation, the snow sweeping operation depth can be controlled by adjusting the lifting oil cylinder, and the rotating speed of the hydraulic motor, namely the rotating speed of the sweeping brush, can be adjusted to adapt to different operation speeds and depth requirements;
step F: when a short obstacle which does not exceed the rail surface is arranged on a level crossing port or a ballast bed in the operation process, the rolling brush device can be lifted to the highest position in advance to pass through the rail surface in the operation process without stopping, so that the operation efficiency is effectively improved;
step G: when the roller brush runs towards the other direction to carry out snow sweeping operation, the rotation direction of the hydraulic motor is only required to be changed, so that the roller brush rotates towards the other direction, and the rest steps are the same as the steps;
step H: after the operation is finished, the rolling brush device is lifted to the highest position by controlling the lifting oil cylinder assembly, then the rotation of the hydraulic motor of the driving device is stopped, and then the lock pin of the locking device is inserted into the lock hole plate to be locked, so that the rolling brush device can be retracted onto the main frame along with the working trolley and can be driven away from the operation area.
Track snow removing is with round brush device has following positive effect:
1. the rolling brush device is arranged on a snow removal working trolley of the track snow remover, can integrally move, can be retracted onto the main trolley, does not influence the interval running performance of the track snow remover, and can be put down to perform snow removal operation;
2. the snow removing trolley can effectively remove accumulated snow from the part above the sleeper surface of the iron road bed to the rail surface together with the snow removing working trolley, is convenient for the maintenance and overhaul of a railway line, and ensures the normal driving safety of the line;
3. the brush wires are proper in type and diameter, and are reasonably arranged, so that when the flexible brush wires rotating at a high speed are used for sweeping snow, accumulated snow on the surface of a road can be cleared, line equipment cannot be damaged, and the device is safe and reliable;
4. the sweeper is divided into 5 sections of 10 semicircular sweeper blocks, and the 10 semicircular sweeper blocks are assembled and fixed on the circular roller through bolts, so that the sweeper is simple to assemble and disassemble, and is convenient to maintain on a line;
5. the roller is of a three-section structure and is a hollow cylinder, so that the use strength is ensured, and the lightweight requirement is met;
6. the diameter of the roller is large at two ends and small in the middle, the hydraulic motor can be inserted into the large rollers at two ends for installation, and through reasonable design, the operation range of the rolling brush is ensured to be 2.6m, the overall width of the rolling brush device is shortened as much as possible, and the overall structural width of the rolling brush device is ensured to meet the requirement of the limit of a locomotive vehicle;
7. the double hydraulic motors are adopted for driving, the rotating speed of the rolling brush can be adjusted from zero to the maximum in a stepless mode, the higher the rotating speed of the rolling brush is, the stronger the snow sweeping capacity is, the snow sweeping capacity of the rolling brush can be adjusted in the operation process, and the requirements of different operation speeds and snow sweeping amounts are met;
8. the lifting hydraulic oil cylinder with the position sensor is adopted, so that the descending depth of the rolling brush can be monitored in real time during operation, the rolling brush device can be conveniently controlled to descend to a proper depth, the maximum depth can be descended to 280mm below a rail surface, and the requirements of different line steel rail heights and deep crossing of snow sweeping operation are met;
9. the sweeping brush of the rolling brush device is designed in a shape of profiling with the surface of the sleeper in the width direction, so that the area which can not be swept can be reduced as much as possible, the cleanness of the snow sweeping operation of the sweeping brush is greatly improved, and the operation efficiency is improved;
10. the 4 sliding grooves can effectively guide in the lifting process of the rolling brush device, the stability of lifting control is guaranteed, meanwhile, the pushing force and the transverse force required by the rolling brush can be provided during operation, the structural stability of the rolling brush device is guaranteed, and the limiting bolts on the sliding grooves can limit and adjust the maximum falling depth of the rolling brush;
11. 4 groups of manual locking devices are adopted, so that the locking is firm, the use is still very reliable in extremely cold snow days, and the operation time of vehicle release and vehicle collection is conveniently shortened;
12. the middle connecting support makes the middle roller and the driving devices at two ends form a closed-loop box-shaped structure, and the whole rolling brush device has good structural stability when moving up and down, and the condition of deformation and clamping stagnation can not occur in the lifting process.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a rolling brush device for removing snow from a track according to the present invention.
Fig. 2 is a schematic structural view of a roller in the preferred embodiment shown in fig. 1 of the rolling brush device for removing snow from a track according to the present invention.
Fig. 3 is a schematic structural view of the middle roller section in the preferred embodiment shown in fig. 2 of the rolling brush device for removing snow from a track according to the present invention.
Fig. 4 is a schematic structural view of a sweeper brush in the embodiment shown in fig. 1 of the rolling brush device for removing snow from a track according to the present invention.
Fig. 5 is a schematic structural view of a brush block in the embodiment shown in fig. 4 of the rolling brush device for removing snow from a track according to the present invention.
Fig. 6 is a schematic structural view of a driving device in the embodiment shown in fig. 1 of the rolling brush device for removing snow from a track according to the present invention.
Fig. 7 is a schematic structural view of the chute assembly in the embodiment shown in fig. 1 of the rolling brush device for removing snow from a track according to the present invention.
Fig. 8 is a schematic structural view of a connecting bracket in the embodiment shown in fig. 1 of the rolling brush device for removing snow from a track according to the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, from which other embodiments can be derived by a person skilled in the art without inventive effort.
As shown in fig. 1, a structural schematic view of a preferred embodiment of the rolling brush device for removing snow from a track according to the present invention. The utility model discloses a rolling brush device for removing snow on a track, which comprises a roller 2, a connecting bracket 7 and a sweeping brush 1 fixed on the excircle of the roller; two ends of the roller are connected with the driving device 3 through bearings, and the two ends of the roller are respectively provided with a lifting oil cylinder assembly 6, a sliding chute assembly 4 and a manual locking device 5 for lifting control, guiding and locking. The rolling brush device of the utility model can be lifted integrally, is very stable and reliable, can be lifted and retracted within the range of the limit of the rolling stock during interval operation, and can be lowered to the surface of the sleeper plate at the lowest during operation; the rolling brush device is arranged on a snow removal working trolley of the track snow remover, can integrally move, can be retracted onto the main trolley, does not influence the interval running performance of the track snow remover, and can be released for snow removal operation; proper brush wires are selected, the rotating speed and the depth are reasonably matched, accumulated snow on a track bed can be swept up during high-speed operation, and meanwhile, track bed line equipment is not damaged.
The main connection sequence of the rolling brush device is as follows: the sweeper 1 is fixed on the excircle of the roller 2, the two ends of the roller are connected with the driving device 3 through bearings, the driving device 3 is inserted into the inner parts of the two ends of the roller 2, the output shaft of a hydraulic motor on the driving device is directly connected with the roller 2, the connecting support 7 connects the two groups of driving devices 3, so that the roller brush device forms a closed structure, and the two ends of the roller brush device are respectively provided with 1 group of lifting oil cylinder assemblies 6, 2 groups of sliding groove assemblies 4 and 2 groups of manual locking devices 5 for lifting control, guiding and locking.
As shown in fig. 4 and 5, the roller brush device for removing snow from a track according to the present invention has a structure schematically shown in the embodiment shown in fig. 1.
In this embodiment, the brush 1 is divided into 5 segments, and there are 10 semicircular brush blocks (as shown in fig. 5), each of which is composed of brush filaments 16 and a nylon plate 17.
In this embodiment, the nylon plate 17 has a semicircular structure, and the inner diameter thereof is equal to the outer diameter of the drum 2.
In this embodiment, a plurality of holes are uniformly distributed on the nylon plate 17, a plurality of brush filaments 16 are fixed in each hole, and the material of the brush filaments 16 is low-temperature wear-resistant nylon or a mixture of steel wires and nylon filaments.
In the embodiment, the overall outline shape of the sweeper brush 1 is designed to be in a shape similar to the upper surface of a sleeper.
In this embodiment, the sweeper brush 1 comprises a middle sweeper brush 13, an on-rail clip sweeper brush 14 and an end sweeper brush 15.
In this embodiment, the brush filaments 16 on the nylon plate 17 have different lengths at different positions, and a gap is formed at the position of the rail wiper.
The sweeping brush 1 is a main part for sweeping snow, the whole sweeping brush is divided into 5 sections of 10 semicircular sweeping brush blocks, each sweeping brush block consists of brush filaments 16 and a nylon plate 17, the nylon plate 17 is of a semicircular structure, the inner diameter of the nylon plate is the same as the outer diameter of the roller 2, a certain number of holes are uniformly distributed in the nylon plate, a plurality of brush filaments can be fixed in each hole, and the brush filaments are made of low-temperature wear-resistant nylon. The overall outline shape of the sweeper 1 and the upper surface of the sleeper adopt a profiling design, the lengths of different positions of the brush wires 16 are different, and the steel rail sweeper is provided with a notch, so that the steel rail can be opened, the rolling brush device is ensured to normally descend, and accumulated snow at the sweeping spike and the fastener is not influenced.
Referring next to fig. 2 and 3, a roller brush device for removing snow from a track according to the present invention is schematically shown in the structure of a roller in the preferred embodiment shown in fig. 1.
In this embodiment, the drum 2 is a hollow three-section cylindrical structure, and is divided into a middle drum section 9, a left drum section 8 and a right drum section 10.
In this embodiment, the outer circles of the middle roller section 9, the left roller section 8 and the right roller section 10 are all provided with a reinforcing plate.
In the present embodiment, the middle roller section 9 is composed of a middle hollow shaft 12 and two end first bearing seats 11, and the outer circles of the two end bearing seats are provided with roller bearings.
In this embodiment, the end of the first bearing seat 11 has a splined hole, and is connected with the output shaft of the hydraulic motor in the driving device 3.
In this embodiment, the left roller section 8 and the right roller section 10 have the same structure and are symmetrically arranged, and the outer diameter of the left roller section and the outer diameter of the right roller section are larger than that of the middle roller section 9.
In this embodiment, one end of the left roller section 8 and one end of the right roller section 10 are connected to the middle roller section 9, the other end is an open structure, the inside of the roller is a hollow structure, an installation space is provided for the driving device 3, and the driving device 3 is inserted from the open end for installation.
In this embodiment, a plurality of access holes are opened on the circumference of the left roller section 8 and the right roller section 10.
As shown in fig. 6, the rolling brush device for removing snow from a track according to the present invention has a schematic structural view of the driving device in the embodiment shown in fig. 1.
In the present embodiment, the driving device 3 is a rotation driving mechanism for the drum 2 and the sweeper brush 1, and is also a rotation supporting structure for the drum 2 and the sweeper brush 1.
In the present embodiment, the driving device 3 includes a mount, a hydraulic motor, and a bearing.
In the present embodiment, the driving devices 3 have 2 groups, are arranged at two ends of the roller 2, and are respectively inserted into the left roller section 8 and the right roller section 10.
In this embodiment, the mounting seat includes a second bearing seat 18, a cylinder 19 and a guide mounting plate 20, wherein a bearing is mounted inside one end of the second bearing seat 18, a hydraulic motor mounting spigot is arranged at the other end, and a hydraulic motor is mounted on the end face.
In this embodiment, one end of the cylinder 19 is connected to the hydraulic motor mounting end of the second bearing seat 18, the hollow interior of the cylinder provides space for the hydraulic motor, and a plurality of holes are formed on the periphery; the other end of the cylinder 19 is connected to a guide mounting plate 20.
In this embodiment, the guiding mounting plate 20 is provided with a circular hole corresponding to the inner hole of the cylinder 19, and is provided with a groove for mounting the oil pipe of the hydraulic motor, and meanwhile, two sides of the guiding mounting plate 20 are provided with guiding plate sections which are clamped in the chute assembly 4 for guiding, and the top of the guiding mounting plate is provided with a mounting position for lifting the cylinder seat and the locking device 5.
The driving device 3 is a rotary driving mechanism of the roller 2 and the sweeper 1, is also a rotary supporting structure of the roller 2 and the sweeper 1, consists of a mounting seat, a hydraulic motor and a bearing, and has 2 groups in total, is arranged at two ends of the roller 2 and is respectively inserted into the left roller and the right roller.
The mount pad is drive arrangement 3's basic installed part, also be key structure simultaneously, second bearing frame 18, drum 19 and guide mounting board 20, the one end internally mounted bearing of second bearing frame 18, the other end has hydraulic motor installation tang, end-face installation hydraulic motor, drum 19 links to each other with the hydraulic motor installation end of second bearing frame 18, the hollow inside of drum 19 can provide the space for hydraulic motor, open the hole that has a certain quantity simultaneously in the week, be convenient for hydraulic motor fixing bolt's installation, drum 19's the other end links to each other with the board, it has big round hole to open on the board, it is corresponding with the drum hole, and open the installation of the hydraulic motor oil pipe of having a recess to be convenient for, it has the deflector section to process in both sides simultaneously, can block and lead in spout 22, its top still promotes the mounted position of hydro-cylinder seat and locking device 5. The hydraulic motor is a power element for driving the roller brush to rotate, is inserted into the interior of the cylinder 19 and is mounted on the end face of the second bearing block 18, and the output shaft thereof is directly inserted into a spline hole at the end of the intermediate roller. The excircle of the bearing is fixed in the bearing seat hole of the mounting seat, the inner circle is fixed on the excircle bearing seat at the end part of the middle roller, and the whole roller can rotate around the centers of the bearings at two ends under the driving of the output shaft of the hydraulic motor.
As shown in fig. 7, the rolling brush device for removing snow from a track according to the present invention has a schematic structural view of the chute assembly in the embodiment shown in fig. 1.
In this embodiment, the sliding chute assembly 4 is a guiding component of the whole rolling brush device, and has 4 groups, and is located at 4 corners of the whole rolling brush device, and is used for respectively clamping the guiding sections of the driving device mounting plate 26, guiding the lifting of the rolling brush device, and simultaneously limiting the axial direction of the rolling brush device.
In the present embodiment, the chute assembly 4 includes a mounting base 21 and a chute 22.
In this embodiment, the cross section of the sliding groove 22 is rectangular, and the bottom surface and the side surface of the groove are respectively provided with a bottom nylon plate 23 and a side nylon plate 24, which play a role of lubrication during guiding.
In the present embodiment, the slide groove 22 and the mounting base plate 21 are fixed by a bolt 25.
In this embodiment, the mounting plate 21 is fixed on the working trolley frame, and a transverse positioning step is formed between the chute 22 and the mounting plate 21, so that the chute is accurately positioned, and a stable transverse force is provided.
In this embodiment, the top of the chute 22 is not flanged, and the chute 22 is drawn down along the step on the mounting base 21 without moving the driving device 3.
In this embodiment, the bottom of the sliding groove 22 is provided with a bolt hole, and a limit bolt is installed to limit the lowest height of the rolling brush device.
In this embodiment, the lifting cylinder assembly 6 is a lifting control component of the integral roller brush device, and there are 2 sets, which are respectively located at two ends of the roller brush device.
The lifting oil cylinder assembly 6 is a lifting control component of the rolling brush device, and comprises 2 groups which are respectively positioned at two ends of the rolling brush device, one end of the lifting oil cylinder is fixed on the driving device mounting plate, the other end of the lifting oil cylinder is fixed on the working trolley, and the lifting oil cylinder is provided with a piston position sensor which can display the extending position of the oil cylinder in real time and monitor the descending height of the rolling brush device.
In this embodiment, the lift cylinder assembly 6 includes a lift cylinder, one end of the lift cylinder is fixed on the mounting base plate of the driving device, the other end of the lift cylinder is fixed on the working trolley, and the lift cylinder is provided with a position sensor for displaying the extending position of the cylinder in real time and monitoring the descending height of the rolling brush device.
The sliding chute assembly 4 is a guide component of the rolling brush device, and is provided with 4 groups, is positioned at 4 corners of the rolling brush device, is used for clamping a guide section of a mounting plate of the driving device respectively, guides the lifting of the rolling brush device, ensures the synchronization of two ends of the rolling brush device during the lifting, and can limit the axial direction of the rolling brush device. The section of the sliding groove 22 is rectangular, and nylon plates are arranged on the bottom surface and the side surface of the groove, so that the lubricating effect can be achieved during guiding, and the smooth movement of the guide plate in the sliding groove is guaranteed.
There is not the flange at spout 22 top, guarantees under the motionless condition of drive arrangement, spout 22 can follow the step on the bottom plate and take out downwards to take off, thereby for cylinder and drive arrangement's installation and dismantlement provide the space, there is the bolt hole spout 22 bottom, mountable spacing bolt, the minimum height that the restriction round brush device descends, make the round brush device can satisfy the requirement of the biggest snow removal degree of depth of different circuits, also can play safety protection's effect when the operation, make the round brush device not lead to deviating from completely.
As shown in fig. 8, the structural schematic diagram of the connecting bracket in the embodiment shown in fig. 1 of the rolling brush device for removing snow from a track according to the present invention.
In this embodiment, the connecting bracket 7 directly connects the driving devices 3 at the two ends, so that the drum, the left driving device, the bracket and the right driving device form a closed box-shaped integral structure.
In this embodiment, the connecting bracket 7 has a connecting rod 28 in the middle and two bracket fixing plates 27 at two ends respectively, and is connected to the driving device mounting plate 26 by bolts.
In this embodiment, the locking device 5 is located at 4 corners of the rolling brush device, and is composed of a pin shaft, a hole locking plate, and a limiting plate, and when the rolling brush device is located at an upper position, the rolling brush device is reliably locked.
The connecting bracket 7 directly connects the driving devices at the two ends, so that the roller, the left driving device, the bracket and the right driving device form a closed box-shaped integral structure, and the strength and the rigidity of the rolling brush device in the integral lifting process are effectively ensured. The middle of the connecting bracket is provided with a connecting rod piece, two ends of the connecting bracket are respectively provided with a mounting plate, and the connecting rod piece can be connected with a fixing plate on the driving device through bolts.
The utility model discloses the second aspect provides a track is removed snow with round brush device's operation process, and it includes following step:
step A: in a non-operation state, the rolling brush device is reliably fixed on a middle working trolley of the track snow remover through the locking device, and the whole rolling brush device is within the limit range of the locomotive, so that the interval running of the whole locomotive on a railway line is not influenced;
and B: when the rolling brush device reaches the operation area for preparation operation, the rolling brush device firstly falls to the position close to the rail surface along with the working trolley, then 4 locking pins of the rolling brush device are pulled out, the locking device 5 is unlocked, and the rolling brush device can vertically lift along the sliding chute assembly 4;
and C: selecting a working running direction, operating the hydraulic motor of the driving device 3 in a cab to run, wherein the two hydraulic motors are oppositely arranged at the two ends of the middle roller 9, so that the rotating directions of the two motors are opposite, but the rotating directions of the final driving roller 2 and the sweeper brush 1 are matched with the working direction, and the brush wires 16 can sweep the accumulated snow on the track bed from the rear lower part to the front upper part when the sweeper brush 1 rotates;
step D: the lifting oil cylinder assembly 6 is controlled to enable the integral structure formed by the sweeper brush 1, the roller 2, the driving device 3 and the connecting bracket 7 to stably and vertically descend along the sliding chute assembly 4, when the flexible brush wires 16 touch accumulated snow on the surface of the track bed under the action of high-speed rotating centrifugal force, the flexible brush wires can be swept forwards to enter a snow throwing device of the working trolley, but cannot be damaged when touching line equipment such as cables, a capacitance box and the like, and the snow sweeping operation can be continuously carried out forwards by controlling the whole vehicle to move forwards;
step E: during the forward snow sweeping operation, the snow sweeping operation depth can be controlled by adjusting the lifting oil cylinder, and the rotating speed of the hydraulic motor, namely the rotating speed of the sweeping brush, can be adjusted to adapt to different operation speeds and depth requirements;
step F: when a short obstacle which does not exceed the rail surface is arranged on a level crossing port or a ballast bed in the operation process, the rolling brush device can be lifted to the highest position in advance to pass through the rail surface in the operation process without stopping, so that the operation efficiency is effectively improved;
step G: when the roller brush runs towards the other direction to carry out snow sweeping operation, the rotation direction of the hydraulic motor is only required to be changed, so that the roller brush rotates towards the other direction, and the rest steps are the same as the steps;
step H: after the operation is finished, the rolling brush device is firstly lifted to the highest position by controlling the lifting oil cylinder assembly 6, then the rotation of the hydraulic motor of the driving device 3 is stopped, and then the lock pins of the locking device 5 are respectively inserted into the lock hole plate for locking, so that the rolling brush device can be collected on the main frame along with the working trolley and can be driven away from the operation area.
As an alternative of the present invention:
1. this scheme adopts the nylon brush silk, and the texture is softer, and not fragile line equipment can only clean the loose snow on ballast bed surface, for satisfying different circuit snow removing operation requirements, also can replace the brush silk of other different grade types, when the ballast bed has the condition of freezing, can adopt the form that steel wire and nylon brush silk mix to clean.
2. The segmentation and the fixed mode of the sweeper: according to the scheme, the sweeping brushes are distributed in 5 sections and have 10 semicircular structures, the section condition can be adjusted, and the sweeping brushes can be divided into multiple equal parts in the roundness direction without adopting the semicircles.
To sum up, the utility model discloses a round brush device has following advantage: the snow sweeper can be installed on a rail snow sweeper and can operate in a railway line section; the method comprises the following steps of (1) cleaning accumulated snow from the position above a sleeper surface of a railway track bed to the position of a steel rail surface by using a rolling brush; the sweeping brush adopts a block assembly structure, brush wires are made of low-temperature-resistant and wear-resistant nylon, and are fixed on a semicircular nylon plate in a split manner; the outer contour of the sweeper is profiled with the sleeper surface, and a gap matched with the steel rail is arranged at the steel rail; the roller adopts a hollow structure at three sections and is fixed on the driving devices at two ends through bearing blocks and bearings at two ends; 2 hydraulic motors are adopted for simultaneous driving and are respectively installed at two ends of the roller, and the output shafts of the motors are directly connected with internal splines at two ends of the roller; the rotating speed of the rolling brush can be adjusted in a stepless manner, so that the snow sweeping capacity can be controlled in the operation process; the box-shaped structure formed by the two-end driving device, the central roller and the connecting bracket has good overall strength and rigidity; the driving device is installed in an inserting manner, can realize the fixing and the rotary driving of the roller, and has compact structure and reliable function; the mounting seat of the driving device has complex structure and function, is a mounting seat of a hydraulic motor, is also a bearing seat of a roller, can be used for guiding, is also a mounting base of a lifting oil cylinder, and is also a mounting base of a lock hole plate; a lifting oil cylinder with a position sensor is adopted, and the lifting oil cylinder is arranged at two ends of the rolling brush device and only provides lifting control force; the rolling brush device adopts a vertical lifting mode, has a function of monitoring the snow sweeping operation depth of the rolling brush, and can monitor and adjust the operation depth in real time in the operation process; the detachable guide chute is internally provided with a nylon plate for lubrication, and can guide and provide thrust and transverse force required by operation; the sweeper can rotate in the positive and negative directions, and can realize bidirectional snow sweeping operation; a reliable manual locking device is arranged; all parts adopt low-temperature design, and the use requirement of-400C at the lowest is met.
As can be understood by those skilled in the art, the rolling brush device for removing snow from a track and the operation method thereof of the present invention include any combination of the parts in the present specification. These combinations are not described in detail herein for the sake of brevity and clarity, but the scope of the invention, which is defined by any combination of parts or features disclosed herein, will become apparent after a review of this specification.
Claims (31)
1. A rolling brush device for removing snow on a track comprises a roller (2), a connecting bracket (7) and a sweeping brush (1) fixed on the excircle of the roller (2); the both ends of cylinder (2) are passed through the bearing and are connected its characterized in that with drive arrangement (3): the two ends of the roller (2) are respectively provided with a lifting oil cylinder assembly (6), a sliding chute assembly (4) and a manual locking device (5) for lifting control, guiding and locking.
2. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the sweeper (1) is divided into 5 sections, and is provided with 10 semicircular sweeper blocks, and each sweeper block is composed of brush filaments (16) and a nylon plate (17).
3. The rolling brush device for removing snow from a track as claimed in claim 2, wherein: the nylon plate (17) is in a semicircular structure, and the inner diameter of the nylon plate is equal to the outer diameter of the roller (2).
4. The rolling brush device for track snow removal as recited in claim 2 or 3, wherein: evenly distributed a plurality of holes on nylon board (17), every downthehole many brush silk (16) of fixed, brush silk (16) material is the mixture of low temperature wear-resisting nylon or steel wire and nylon yarn.
5. The rolling brush device for removing snow from a track as claimed in claim 1 or 2, wherein: the shape of the whole outer contour of the sweeper (1) and the upper surface of the sleeper adopt a profiling design; the sweeper (1) comprises a middle sweeper (13), a fastener sweeper (14) at the rail and an end sweeper (15).
6. The rolling brush device for removing snow from a track as claimed in claim 4, wherein: the lengths of the brush filaments (16) on the nylon plate (17) at different positions are different, and gaps are arranged at the positions of the steel rail sweeping brushes.
7. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the roller (2) is a hollow three-section type cylindrical structure and is divided into a middle roller section (9), a left roller section (8) and a right roller section (10).
8. The rolling brush device for removing snow from a track as claimed in claim 7, wherein: the outer circles of the middle roller section (9), the left roller section (8) and the right roller section (10) are all provided with reinforcing plates.
9. The rolling brush device for snow removal of a track as claimed in claim 7 or 8, wherein: the middle roller section (9) is composed of a middle hollow shaft (12) and first bearing seats (11) at two ends, and roller bearings are arranged on the outer circles of the bearing seats at the two ends.
10. The rolling brush device for removing snow from a track as claimed in claim 9, wherein: the end part of the first bearing seat (11) is provided with a spline hole and is connected with an output shaft of a hydraulic motor in the driving device (3).
11. The rolling brush device for snow removal of a track as claimed in claim 7 or 8, wherein: the left roller section (8) and the right roller section (10) have the same structure and are symmetrically arranged, and the outer diameter of the left roller section is larger than that of the middle roller section (9).
12. The rolling brush device for snow removal of a track as claimed in claim 7 or 8, wherein: one end of the left roller section (8) and one end of the right roller section (10) are connected with the middle roller section (9), the other ends of the left roller section and the right roller section are of an open structure, the interior of the roller is of a hollow structure, an installation space is provided for the driving device (3), and the driving device (3) is inserted from the open end for installation.
13. The rolling brush device for snow removal of a track as claimed in claim 7 or 8, wherein: a plurality of access holes are arranged on the circumferences of the left roller section (8) and the right roller section (10).
14. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the driving device (3) is a rotary driving mechanism of the roller (2) and the sweeper (1) and is also a rotary supporting structure of the roller (2) and the sweeper (1).
15. The rolling brush device for removing snow from a track as claimed in claim 1 or 14, wherein: the driving device (3) comprises a mounting seat, a hydraulic motor and a bearing.
16. The rolling brush device for removing snow from a track as claimed in claim 1 or 14, wherein: the driving devices (3) have 2 groups in total, are arranged at two ends of the roller (2) and are respectively inserted into the left roller section (8) and the right roller section (10).
17. The rolling brush device for removing snow from a track as claimed in claim 15, wherein: the mounting seat comprises a second bearing seat (18), a cylinder (19) and a guide mounting plate (20), a bearing is mounted inside one end of the second bearing seat (18), a hydraulic motor mounting spigot is arranged at the other end of the second bearing seat, and a hydraulic motor is mounted on the end face of the second bearing seat.
18. The rolling brush device for removing snow from a track as claimed in claim 17, wherein: one end of the cylinder (19) is connected with the hydraulic motor mounting end of the second bearing seat (18), the hollow interior of the cylinder provides space for the hydraulic motor, and a plurality of holes are formed in the periphery of the cylinder; the other end of the cylinder (19) is connected with a guide mounting plate (20).
19. The rolling brush device for removing snow from a track as claimed in claim 18, wherein: the guide mounting plate (20) is provided with a round hole corresponding to the inner hole of the cylinder (19) and provided with a groove for mounting an oil pipe of the hydraulic motor, meanwhile, guide plate sections are processed on two sides of the guide mounting plate (20) and clamped in the chute assembly (4) for guiding, and the top of the guide mounting plate is the mounting position of the lifting oil cylinder seat and the locking device (5).
20. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the sliding chute assembly (4) is a guide component of the whole rolling brush device, has 4 groups, is positioned at 4 corners of the whole rolling brush device, is used for respectively clamping a guide section of the driving device mounting plate (26), guides the lifting of the rolling brush device, and can limit the axial direction of the rolling brush device.
21. The rolling brush device for removing snow from a track as claimed in claim 1 or 20, wherein: the chute assembly (4) comprises a mounting base plate (21) and a chute (22).
22. The rolling brush device for removing snow from a track as claimed in claim 21, wherein: the section of the sliding groove (22) is rectangular, and the bottom surface and the side surface of the groove are respectively provided with a bottom nylon plate (23) and a side nylon plate (24) which play a role in lubrication during guiding.
23. The rolling brush device for removing snow from a track as claimed in claim 21, wherein: the sliding groove (22) and the mounting bottom plate (21) are fixed through a bolt (25).
24. The rolling brush device for removing snow from a track as claimed in claim 21, wherein: the mounting bottom plate (21) is fixed on the working trolley frame, and a transverse positioning step is processed between the sliding groove (22) and the mounting bottom plate (21), so that the sliding groove is accurately positioned, and stable transverse force is provided.
25. The rolling brush device for removing snow from a track as claimed in claim 21, wherein: the top of the sliding chute (22) is not provided with a flange, and under the condition that the driving device (3) is not moved, the sliding chute (22) is drawn out downwards along the step on the mounting bottom plate (21) to be taken down.
26. The rolling brush device for removing snow from a track as claimed in claim 21, wherein: the bottom of the sliding groove (22) is provided with a bolt hole, and a limiting bolt is arranged to limit the lowest height of the rolling brush device.
27. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the lifting oil cylinder assembly (6) is a lifting control component of the integral rolling brush device, and comprises 2 groups which are respectively positioned at two ends of the rolling brush device.
28. The rolling brush device for removing snow from a track as claimed in claim 1 or 27, wherein: the lifting oil cylinder assembly (6) comprises a lifting oil cylinder, one end of the lifting oil cylinder is fixed on the mounting base plate of the driving device, the other end of the lifting oil cylinder is fixed on the working trolley, and meanwhile, the lifting oil cylinder is provided with a position sensor which displays the extending position of the oil cylinder in real time and monitors the descending height of the rolling brush device.
29. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the connecting bracket (7) directly connects the driving devices (3) at two ends, so that the roller, the left driving device, the bracket and the right driving device form a closed box-shaped integral structure.
30. The rolling brush device for removing snow from a track as claimed in claim 1 or 29, wherein: the middle of the connecting bracket (7) is provided with a connecting rod piece (28), and two ends of the connecting bracket are respectively provided with a bracket fixing plate (27) which is connected with the driving device mounting plate (26) through bolts.
31. The rolling brush device for removing snow from a track as claimed in claim 1, wherein: the locking device (5) is positioned at 4 corners of the rolling brush device and consists of a pin shaft, a hole locking plate and a limiting plate, and when the rolling brush device is positioned at an upper position, the rolling brush device is reliably locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542562.3U CN212270812U (en) | 2019-09-17 | 2019-09-17 | Rolling brush device for removing snow on track |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542562.3U CN212270812U (en) | 2019-09-17 | 2019-09-17 | Rolling brush device for removing snow on track |
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| CN212270812U true CN212270812U (en) | 2021-01-01 |
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| CN201921542562.3U Active CN212270812U (en) | 2019-09-17 | 2019-09-17 | Rolling brush device for removing snow on track |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116356747A (en) * | 2023-03-22 | 2023-06-30 | 盐城工学院 | Efficient water-saving dust suppression type full-suction road sweeper |
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2019
- 2019-09-17 CN CN201921542562.3U patent/CN212270812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116356747A (en) * | 2023-03-22 | 2023-06-30 | 盐城工学院 | Efficient water-saving dust suppression type full-suction road sweeper |
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