CN114250740A - Track coal suction vehicle, control method thereof and coal suction vehicle group - Google Patents
Track coal suction vehicle, control method thereof and coal suction vehicle group Download PDFInfo
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- CN114250740A CN114250740A CN202111579930.3A CN202111579930A CN114250740A CN 114250740 A CN114250740 A CN 114250740A CN 202111579930 A CN202111579930 A CN 202111579930A CN 114250740 A CN114250740 A CN 114250740A
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- 239000003245 coal Substances 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 55
- 239000000428 dust Substances 0.000 claims abstract description 50
- 239000002817 coal dust Substances 0.000 claims abstract description 45
- 238000010408 sweeping Methods 0.000 claims description 35
- 238000012216 screening Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims 2
- 238000000926 separation method Methods 0.000 abstract description 3
- 210000000056 organ Anatomy 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 238000007789 sealing Methods 0.000 description 11
- 230000005484 gravity Effects 0.000 description 7
- 238000007873 sieving Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000003584 silencer Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 241001417527 Pempheridae Species 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/06—Nets, catchers, or the like for catching obstacles or removing them from the track
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
- E01H8/105—Pneumatically or hydraulically loosening, removing or dislodging undesirable matter, e.g. removing by blowing, flushing, suction; Application of melting liquids; Loosening or removing by means of heat, e.g. cleaning by plasma torches, drying by burners
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Cleaning In General (AREA)
Abstract
The disclosure relates to a track coal suction vehicle, a control method thereof and a coal suction vehicle set. Wherein, the track inhales coal car includes: a frame; the side cleaning device is arranged on the frame and is configured to mechanically clean and recover the pulverized coal outside the track; and the dust suction device is arranged on the frame and is configured to perform negative pressure suction on the coal dust on the inner side of the track. The side cleaning device mechanically cleans and recovers the coal dust outside the track, can realize the separation of the coal dust and railway ballast, and has the advantages of large cleaning thickness and large handling capacity of the coal dust; the dust suction device performs negative pressure suction on coal dust on the inner side of the track, has the advantages of simple structure, small occupied chassis space and the like, the cleaning of the coal dust on the inner side of the track and the coal dust on the outer side of the track are completed on one vehicle simultaneously, the cleaning of the whole section of the tunnel can be completed only by one time of back and forth in the space range of the double-line tunnel, compared with the technical scheme of pure pneumatic cleaning, the cleaning of materials in unit time is more, and the operation efficiency is high.
Description
Technical Field
The disclosure relates to a track coal suction vehicle, a control method thereof and a coal suction vehicle set.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
When a coal car for a special railway coal transportation line enters and exits a railway tunnel entrance, under the action of piston wind, pulverized coal can scatter on a railway track bed under the disturbance of air flow, and the pulverized coal can submerge a sleeper track after being accumulated for a long time, so that the driving safety is influenced. In order to ensure the safe and efficient operation of a railway coal transportation special line, the scattered coal dust of a railway track bed needs to be cleaned regularly. At present, manual cleaning is mainly used, the operation efficiency is low, the coal conveying time of a general vehicle is long, the operation environment is severe, and the body health is seriously influenced.
The related technical scheme is that a full section railway roadbed coal suction car group in railway tunnel comprises 4 sections carriages, is the power car respectively, mainly inhales the car, the car is inhaled to the side, the material car, and main inhaling all adopts the negative pressure suction principle with the side-suction, and the negative pressure suction is influenced by the solid gas ratio of material, and when to a large amount of materials of suction, the pneumatic conveying power that needs is big, dust removal filtration system is bulky, and then causes whole car length long, and weight is big, and the track outside cleans the auxiliary operation personnel many in addition, cleans inefficiency, and the economic nature is not high.
Disclosure of Invention
One technical problem to be solved by the present disclosure is: the rail coal suction vehicle, the control method thereof and the coal suction vehicle set are provided, and the coal dust cleaning effect and efficiency can be improved.
Some embodiments of the present disclosure provide a rail coal suction car, comprising: a frame; the side cleaning device is arranged on the frame and is configured to mechanically clean and recover the pulverized coal outside the track; and the dust suction device is arranged on the frame and is configured to perform negative pressure suction on the coal dust on the inner side of the track.
In some embodiments, the side cleaning device further comprises a screening machine, the side cleaning device comprises a rolling brush and a lifting mechanism, the rolling brush is used for cleaning coal dust and a part of railway ballast of the railway bed to the lifting mechanism, the lifting mechanism is used for lifting the coal dust and the railway ballast to the screening machine, and the screening machine is used for separating the coal dust and the railway ballast.
In some embodiments, hoist mechanism includes from the driving wheel, scrape the board chain, the scraper blade, action wheel, discharge gate and hopper, and the scraper blade setting is scraped the board chain on, scrape the board chain and be connected with action wheel and follow driving wheel transmission, and the scraper blade is used for sweeping the roller brush to buggy and the railway ballast in the hopper promote and carry to the screening machine through the discharge gate.
In some embodiments, the screen includes an organ-sealed enclosure having an upper end connected to the discharge opening of the lifting mechanism and a lower end connected to the screen body.
In some embodiments, the sizer is configured as a kick-off bar sizer.
In some embodiments, the system further comprises a horizontal conveyor, a material guiding pipe and a main conveyor, wherein a pulverized coal discharge port of the screening machine is communicated with the main conveyor through the horizontal conveyor, a ballast discharge port of the screening machine is communicated with the material guiding pipe, and an outlet end of the material guiding pipe is open and arranged downwards.
In some embodiments, the horizontal conveyor is configured as a telescopic conveyor.
In some embodiments, the coal dust cleaning device comprises a plurality of side cleaning devices arranged along the length direction of the vehicle frame, and each side cleaning device is configured to be capable of extending along the width direction of the vehicle frame in a staggered mode so as to cover the coal dust cleaning surface on the outer side of the rail as a whole.
In some embodiments, the direction of extension of any two adjacent side-sweeping devices is opposite.
In some embodiments, the side-sweeping device is disposed in front of the dust extraction device.
Some embodiments of the present disclosure provide a control method, applied to control the track coal suction vehicle, including:
the side cleaning device is used for mechanically cleaning and recovering the coal dust outside the track; and
and performing negative pressure suction on the coal dust on the inner side of the track by using a dust suction device.
Some embodiments of the present disclosure provide a coal suction car group comprising a material car and the aforementioned rail coal suction car.
According to the railway ballast cleaning device, the side cleaning device and the dust suction device are arranged, the side cleaning device mechanically cleans and recovers the coal dust outside the track, the separation of the coal dust and the railway ballast can be realized, and the railway ballast cleaning device has the advantages of large coal dust cleaning thickness, large handling capacity and the like; the dust suction device performs negative pressure suction on coal dust on the inner side of the track, has the advantages of simple structure, small occupied chassis space and the like, the cleaning of the coal dust on the inner side of the track and the coal dust on the outer side of the track are completed on one vehicle simultaneously, the cleaning of the whole section of the tunnel can be completed only by one time of back and forth in the space range of the double-line tunnel, compared with the technical scheme of pure pneumatic cleaning, the cleaning of materials in unit time is more, and the operation efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure 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 present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of some embodiments of a rail-mounted coal tractor consist according to the present disclosure;
FIG. 2 is a schematic structural view of some embodiments of a railroad coal absorption car according to the present disclosure;
FIG. 3 is a schematic illustration of a side sweeping device in an extended state in accordance with some embodiments of the railroad coal absorption car of the present disclosure;
FIG. 4 is a schematic illustration of the internal construction of a side sweeping device in some embodiments of a railroad coal absorption car according to the present disclosure;
FIG. 5 is a schematic illustration of a plurality of side-sweep apparatus in some embodiments of a railroad coal absorption car according to the present disclosure;
FIG. 6 is a schematic illustration of the internal construction of a dust extraction apparatus in accordance with some embodiments of the railroad coal car of the present disclosure.
Description of the reference numerals
1. A material vehicle; 2. a track coal suction vehicle; 21. a cab; 22. an electric control chamber; 23. a side cleaning device; 23-1, a first set of side sweeping devices; 23-2, a second group of side sweeping devices; 23-3, a third group of side cleaning devices; 24. screening machine; 25. a horizontal conveyor; 26. a material guide pipe; 27. a gravity dust removal box body; 28. a filter cartridge dust removal box body; 29. a power system; 30. a dust removal power chamber; 31. a rear track wheel set; 32. a dust collection device; 33. a telescopic deflection device; 34. a front rail wheel set; 35. a frame; 36. a main conveyor; 231. rolling and brushing; 232. a driven wheel; 233. a scraper chain; 234. a squeegee; 235. a driving wheel; 236. a discharge port; 237. a hopper; 241. an organ sealing sleeve; 242. a screening machine body; 251. a conveyor body; 252. a telescopic oil cylinder; 253. a slide rail sleeve; 254. a pulverized coal discharge port; 273. a dust removal box body; 271. throwing the material pipe; 272. a star discharger; 281. a filter cartridge; 282. a back-flushing type pulse valve; 321. cleaning the rolling brush; 322. a support wheel; 323. a delivery pipe; 331. a yaw mechanism; 332. a horizontal telescopic beam; 333. and fixing the box girder.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be intervening devices between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, the particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.
All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
With reference to fig. 1 to 6, some embodiments of the present disclosure provide a track coal suction vehicle 2, which includes a vehicle frame 35, a side cleaning device 23, and a dust suction device 32, wherein the side cleaning device 23 and the dust suction device 32 are both disposed on the vehicle frame 35, and the side cleaning device 23 is configured to mechanically clean and recover coal dust outside a track; the dust suction device 32 is configured to perform negative pressure suction of pulverized coal inside the rail.
In the illustrative embodiment, by arranging the side cleaning device 23 and the dust suction device 32, the side cleaning device 23 mechanically cleans and recovers the pulverized coal outside the track due to more pulverized coal outside the track, so that the pulverized coal can be separated from railway ballast, and the advantages of large cleaning thickness and handling capacity of the pulverized coal and the like can be realized; the dust suction device 32 performs negative pressure suction on coal dust on the inner side of the track, and has the advantages of simple structure, small occupied chassis space and the like, the coal dust cleaning on the inner side of the track and the coal dust cleaning on the outer side of the track are completed on one vehicle at the same time, the tunnel full-section cleaning can be completed only by one time of back and forth in the space range of the double-line tunnel, compared with the pure pneumatic cleaning technical scheme, the number of cleaned materials in unit time is large, and the operation efficiency is high.
As shown in fig. 2, in some embodiments, the track coal-absorbing vehicle 2 further includes a screening machine 24, as shown in fig. 4, the side cleaning device 23 includes a rolling brush 231 and a lifting mechanism, the rolling brush 231 is used for cleaning the coal powder and a part of the ballast of the track bed to the lifting mechanism, the lifting mechanism is used for lifting the coal powder and the ballast to the screening machine 24, the screening machine 24 is used for separating the coal powder and the ballast, the coal powder and the ballast are lifted to the screening machine 24 by the lifting mechanism, the screening machine 24 separates the coal powder and the ballast, the coal powder is recovered, and the ballast returns to the track bed, so that resources are saved.
As shown in fig. 4, in some specific embodiments, the lifting mechanism includes a driven wheel 232, a scraper chain 233, a scraper 234, a driving wheel 235, a discharge port 236 and a hopper 237, the scraper 234 is disposed on the scraper chain 233, the scraper chain 233 is in transmission connection with the driving wheel 235 and the driven wheel 232, and the scraper 234 is used for lifting the pulverized coal and the ballast swept into the hopper 237 by the roller brush 231 and conveying the pulverized coal and the ballast to the sieving machine 24 through the discharge port 236. The scraper chain 233 and the scraper 234 are arranged to realize the lifting of the pulverized coal and the ballast, and the device is convenient and reliable and has high feasibility of implementation.
As shown in fig. 3, in some embodiments, sizer 24 includes an organ gland 241 and sizer body 242, with the upper end of organ gland 241 being connected to discharge port 236 of the lifting mechanism and the lower end being connected to sizer body 242. Through setting up organ seal cover 241 and being a rubber material, have ash blocking, dust sealing and self-adaptation height control function.
In some embodiments, the screening machine 24 is configured as a material-pushing bar screening machine, which can quickly separate the pulverized coal and the ballast mixed material sent by the side cleaning device 23, and has high feasibility of implementation.
In some embodiments, the coal-absorbing rail car 2 further comprises a horizontal conveyor 25, a material guiding pipe 26 and a main conveyor 36, wherein the pulverized coal discharge port of the screening machine 24 is communicated with the main conveyor 36 through the horizontal conveyor 25, the ballast discharge port of the screening machine 24 is communicated with the material guiding pipe 26, and the outlet end of the material guiding pipe 26 is open and is arranged downwards. After the mixed material of the pulverized coal and the railway ballast is filtered by the screen of the screening machine 24, the pulverized coal leaks from the screen surface and enters the horizontal conveyor 25, the railway ballast is on the screen surface and is pushed to the material guide pipe 26 by the material pushing bar to return to the railway, the separation of the pulverized coal and the railway ballast is realized, and meanwhile, the railway ballast returns to the railway track bed, so that the resources are saved.
As shown in fig. 5, in some embodiments, the track coal suction vehicle 2 includes a plurality of side cleaning devices 23 disposed along the length direction of the frame 35, each side cleaning device 23 is configured to be capable of extending along the width direction of the frame 35 in a staggered manner so as to cover the coal dust cleaning surface on the outer side of the track as a whole, which is beneficial to reducing the design width of the track coal suction vehicle 2 and improving the application range thereof, and the extending distances of the side cleaning devices 23 in the track coal suction vehicle 2 are different so as to clean the coal dust and the ballast mixed material in different width areas, thereby completing the comprehensive cleaning of the coal dust on the outer side of the track.
It should be noted that the longitudinal direction of the vehicle frame 35 is defined as a direction parallel to the rail extension, and the width direction of the vehicle frame 35 is defined as a direction parallel to the arrangement of the tie.
As shown in FIG. 5, in some exemplary embodiments, the plurality of side-sweeping devices 23 disposed along the length of the carriage 35 includes a first group of side-sweeping devices 23-1, a second group of side-sweeping devices 23-2, and a third group of side-sweeping devices 23-3, each group including both left and right side-sweeping devices 23.
As shown in fig. 5, in some embodiments, the extending directions of any two adjacent side sweeping devices 23 are opposite, which is beneficial to the arrangement of structural space and reduces the occupied width.
To accommodate the telescoping of the side sweeper 23, in some embodiments, the horizontal conveyor 25 is configured as a telescoping conveyor.
As shown in FIG. 2, in some embodiments, the side-sweeping device 23 is disposed in front of the dust suction device 32, which facilitates the installation of the side-sweeping device 23 and the dust suction device 32, and reduces the occupied width.
Accordingly, some embodiments of the present disclosure provide a control method, which is applied to control the aforementioned track coal suction vehicle 2, and includes: the side cleaning device 23 is used for mechanically cleaning and recovering the coal dust outside the track; and performing negative pressure suction on the pulverized coal inside the track by using a dust suction device 32.
As shown in fig. 1, some embodiments of the present disclosure provide a coal suction car group, which includes a material car 1 and the aforementioned rail coal suction car 2. The coal suction vehicle group has the beneficial technical effects correspondingly.
As shown in figure 1, a material vehicle 1 of the coal suction vehicle group is connected with a track coal suction vehicle 2 through a car coupler to form the coal suction vehicle group, and the coal suction vehicle group has the advantages of length, light weight and the like.
The technical scheme of the present disclosure is specifically described below by using the embodiments shown in fig. 1 to 6 as follows:
as shown in figure 1, the track coal suction car set comprises a material car 1 and a track coal suction car 2, the material car 1 is connected with the track coal suction car 2 through a car coupler to form a coal suction car set, the length of the car set is less than or equal to 50 meters, and the weight of the car set is less than or equal to 180 tons.
As shown in fig. 2, the rail coal suction vehicle 2 includes a cab 21, an electric control chamber 22, a side cleaning device 23, a screening machine 24, a horizontal conveyor 25, a material guiding pipe 26, a gravity dust removing box 27, a filter cartridge dust removing box 28, a power system 29, a dust removing power chamber 30, a rear rail wheel set 31, a dust suction device 32, a telescopic swing device 33, a front rail wheel set 34, a vehicle frame 35 and a main conveyor 36.
As shown in figure 2, a cab 21 and an electric control room 22 are connected and fixed on a frame 35 through bolts, two persons are accommodated in the cab 21 for working, one person is responsible for vehicle operation, the other person is responsible for monitoring various signal parameters of the rail coal suction vehicle group, the signal parameters are communicated with ground personnel in time, and normal operation or alarm information is transmitted. The electric control room provides various power supplies and electric control information for the track coal suction vehicle 2.
As shown in fig. 2 and 3, the telescopic swing device 33 provides a supporting force for the swing lifting and horizontal stretching of the side cleaning device 23, and includes a swing mechanism 331, a horizontal telescopic beam 332 and a fixed box beam 333, the fixed box beam 333 is fastened and connected with the vehicle frame 35 by bolts, the horizontal telescopic beam 332 and the fixed box beam 333 are slidably connected by sliders, the telescopic thrust adopts a telescopic cylinder integrated with a length measuring function, the telescopic cylinder has the same stretching amount as the telescopic cylinder 252, the swing mechanism 331 is a double-side four-bar hinge mechanism, one end of the double-side four-bar hinge mechanism is hinged with a pin shaft of the horizontal telescopic beam 332, the other end of the double-side four-bar hinge mechanism is hinged with a box body of the side cleaning device 23, and the swing motion is driven by the cylinder.
As shown in fig. 2 and 3, the main conveyor 36 is a conveying device for pulverized coal, receives the materials from the pulverized coal discharge port 254 of the horizontal conveyor 25 and the star-shaped discharger 272, conveys the materials to the receiving conveyor belt of the material cart 1, and finally enters the material cart; the dust removal power chamber 30 provides hydraulic driving force for the power system and the dust collection system.
As shown in fig. 2, the rear track wheel set 31 and the front track wheel set 34 are each a biaxial wheel set, and are connected to the frame 35 through elastic damping elements to provide a supporting force for the vehicle to run.
The frame 35 provides connection support for the cab 21, the electronic control room 22, the side cleaning device 23, the horizontal conveyor 25, the gravity dust removal box 27, the filter cartridge dust removal box 28, the power system 29, the dust removal power room 30, the telescopic deflection device 33 and the main conveyor 36.
As shown in fig. 3 and 4, side-sweeping device 23 includes a roller brush 231, a driven pulley 232, a scraper chain 233, a scraper 234, a driving pulley 235, a discharge port 236, and a hopper 237. The driven wheel 232, the driving wheel 235 and the rolling brush 231 are all rotating parts and are all connected with a shell of the side cleaning device through bearing flanges, the scraper chain 233 is in transmission connection with the driven wheel 232 and the driving wheel 235 through chain gears, the scraper 234 is connected with the scraper chain 233 through bolts, and the driving wheel 235 is driven by an oil hydraulic motor; the side sweeping device 23 can sweep and lift the railway ballast bed coal dust, the coal dust is fed to the screening machine 24 from the discharge hole 236, the material sweeping motion process is as shown in fig. 4, the rolling brush 231 sweeps the railway ballast bed coal dust to the hopper 237 below the driven wheel 232, the driving wheel 235 drives the scraper chain 233 to rotate, and the coal dust entering the scraper 234 is lifted to the driving wheel 235 along with the rotation of the scraper chain 233 and then is thrown to the discharge hole 236.
As shown in fig. 3, the sieving machine 24 includes an organ sealing sleeve 241 and a sieving machine body 242, the organ sealing sleeve 241 is made of rubber, the upper end of the organ sealing sleeve 241 is connected with the discharge port 236 through a bolt, the lower end of the organ sealing sleeve is connected with the sieving machine body 242 through a bolt, and the organ sealing sleeve has functions of dust blocking, dust sealing and self-adaptive height adjustment, on one hand, dust generated when coal dust discharged from the discharge port 236 falls into the sieving machine body 242 is sealed, on the other hand, the height of the side cleaning device 23 needs to be adjusted by the telescopic deflecting device 33 in a working state and a driving state, the organ sealing sleeve 241 passively adapts to height change along with the vertical movement of the side cleaning device 23, so that the organ sealing sleeve 241 is compressed and stretched, and the total adjustment height can reach 800 mm.
In some embodiments, the screening machine body 242 is a material-shifting bar screening machine, which can separate the mixed material of the pulverized coal and the railway ballast delivered from the side cleaning device 23, after being filtered by the screen, the pulverized coal leaks from the screen surface and enters the horizontal conveyor 25, the railway ballast is on the screen surface, and is shifted to the material guiding pipe 26 by the material-shifting bar to return to the railway, so as to separate the pulverized coal from the railway ballast, and the railway ballast returns to the railway track bed, thereby saving resources.
As shown in fig. 3, the horizontal conveyor 25 is a telescopic conveyor for sealed conveying, and includes a conveyor body 251, a telescopic cylinder 252, a slide rail sleeve 253 and a pulverized coal discharge port 254, the conveyor body 251 and the slide rail sleeve 253 are telescopically connected by a slide rail, the telescopic length is adjusted by the telescopic cylinder 252, the telescopic cylinder 252 is a novel cylinder integrating a length measurement function, one end of the telescopic cylinder is connected with the conveyor body 251 through a pin, the other end of the telescopic cylinder is connected with the slide rail sleeve 253 through a pin, the telescopic stroke of the cylinder is adjusted according to operation requirements, so as to adjust the telescopic length of the horizontal conveyor, and the maximum adjustment amount can reach 1600 mm.
As shown in fig. 2 and fig. 6, the gravity dust-removing box body 27 can realize the falling of large particle materials by self weight and convey the large particle materials to the main conveyor, and comprises a dust-removing box body 273, a material-throwing pipe 271 and a star-shaped discharger 272, wherein the material-throwing pipe 271 receives the material from the material-conveying pipe 323 and throws the material into the dust-removing box body 273, the large particle materials fall into the star-shaped discharger 272 by self weight and are rotatably discharged onto the main conveyor 36 by the star-shaped discharger 272, and the star-shaped discharger 272 is an air-locking ash-discharging device and has the function of isolating the gas exchange between the main conveyor and the dust-removing box body when the pulverized coal materials are discharged.
As shown in fig. 2 and 6, the filter cartridge dust-removing box 28 can implement a secondary cleaning filtration of small-particle (less than about 150 μm) dust, and receives the dust that is not cleaned by the gravity dust-removing box 27, after the dust is filtered by the filter cartridge 281, the cleaned gas enters the suction opening and is exhausted to the atmosphere along with the fan, the dust is adsorbed on the surface of the filter cartridge when the filter cartridge 281 filters, the filter cartridge is blown by the back-blowing pulse valve 282 in a reverse pulse manner periodically, the dust adsorbed on the surface of the filter cartridge 281 is shaken down to the star discharger below the filter cartridge dust-removing box in time, and the dust is discharged to the main conveyor by the star discharger 272.
The power system 29 provides aerodynamic force for the pneumatic cleaning and conveying of the pulverized coal in the track, and comprises an air inlet chamber, a fan and a silencer, wherein the fan is a centrifugal fan and is driven by a hydraulic motor, the air inlet chamber absorbs clean gas discharged by secondary cleaning and filtering of the filter cartridge dust removal box body 28, and the clean gas enters the silencer to be silenced and denoised after passing through the fan and is discharged into the atmosphere.
As shown in fig. 6, the dust collector 32 mainly cleans the coal dust in the track, and comprises a cleaning roller brush 321, a support wheel 322 and a material conveying pipe 323, wherein the cleaning roller brush 321 cleans the coal dust in the track to provide an initial speed for the coal dust to rapidly enter the material conveying pipe 323, the material conveying pipe 323 is responsible for conveying the coal dust into the gravity dust removing box 27, and 4 support wheels 322 are supported on the track beam and travel along with the track coal suction vehicle.
As shown in FIG. 5, the plurality of side-sweeping devices 23 includes a first group 23-1 of side-sweeping devices, a second group 23-2 of side-sweeping devices, and a third group 23-3 of side-sweeping devices, each group including two left and right side-sweeping devices 23, for a total of 6 side-sweeping devices 23, with a maximum sweeping capacity of up to 23m for a single side-sweeping device3H, the processing capacity of 6 devices is more than or equal to 120m3/h。
As shown in fig. 2, in the vehicle running state, all of the 6 side-sweeping devices 23 are retracted, and the width covered by the side-sweeping devices 23 in the direction perpendicular to the running direction and the width of the body of the coal-sucking rail car are 3200 mm. When the full-section cleaning operation state is carried out, the telescopic deflection devices 33 and the horizontal conveyor 25 on the left side and the right side of the first group of side cleaning devices 23-1 respectively extend out 1600mm, the telescopic deflection devices 33 and the horizontal conveyor 25 on the left side and the right side of the second group of side cleaning devices 23-2 respectively extend out 800mm, the telescopic deflection devices 33 and the horizontal conveyor 25 on the left side and the right side of the third group of side cleaning devices 23-3 respectively extend out 160mm, and therefore the one-time operation cleaning area with 2450mm on the left side and the right side outside the track is achieved.
As shown in fig. 3, when cleaning is needed, the horizontal telescopic beam 332 extends along the fixed box beam 333, the conveyor body 251 extends out along the slide rail sleeve 253 at the same time and has the same length, after the telescopic operation is completed, the deflection mechanism 331 enables the side cleaning device 23 to fall to the coal powder working surface under the driving of the lifting cylinder, when the cleaning operation starts, the side cleaning device 23 lifts the coal powder to the discharge port 236, the coal powder falls onto the sieving machine body 242 through the organ sealing sleeve 241, after sieving, the large-particle ballast is discharged from the material guide pipe 26 and returns to the railway track bed, the small-particle coal powder enters the conveyor body 251, flows into the belt of the main conveyor 36 through the coal powder discharge port 254, and is conveyed away.
As shown in fig. 6, the dust collector 32 can clean the pulverized coal with a standard track width of about 1500mm, when the fan is turned on to a rated rotation speed, negative pressure is formed in the closed filter cartridge dust-removing box 28, the gravity dust-removing box 27 and the material conveying pipe 323, the cleaning roller brush 321 sweeps the pulverized coal on the inner side of the track, the pulverized coal enters the throwing pipe 271 through the material conveying pipe 323 under the negative pressure suction force, the material is thrown out and then collides and dispersed at the top of the dust-removing box 273, and large-particle materials fall into two star-shaped dischargers 272 connected below the dust-removing box 273 due to the self weight of the large-particle materials being greater than the negative pressure suction force, and fall onto the main conveyor 36 along with the rotation of the star-shaped dischargers 272 to be conveyed out. Because of light dead weight, small particle materials enter the filter cartridge dust removal box body 28 along with negative pressure airflow and are secondarily filtered by the filter cartridge 281, small particle coal powder cannot pass through a filter membrane of the filter cartridge 281 and is adsorbed on the surface of the filter cartridge 281, the small particle coal powder falls into two star-shaped unloaders below the filter cartridge dust removal box body after being back blown by the back blowing type pulse valve 282, the small particle coal powder falls into the main conveyor 36 along with the rotation of the star-shaped unloaders and is conveyed out, clean gas passing through the filter membrane of the filter cartridge 281 continues to enter the air inlet chamber along with the negative pressure, and the clean gas is exhausted into the air after being silenced and denoised by the silencer after passing through the fan.
As can be seen from the description, the full-section sweeping of the track coal suction car set can realize that the maximum sweeping width of the whole car is more than or equal to 6200mm in one-time passing.
The full section of track coal-suction vehicle group cleans and only needs four people cooperation operation, two people in the driver's cabin on the car, two people under the car (each one about the automobile body), one person is the driver in the driver's cabin 21, be responsible for track coal-suction vehicle driving, another person is the monitor, be responsible for whole car operation state control, two people are automobile body outside operation device and barrier observation and operating personnel under the car, everyone disposes the remote controller, if have barrier and device adjustment, control the adjustment by the remote controller, the remote controller can with control platform information communication in the driver's cabin.
Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (12)
1. A rail coal suction car (2), characterized by comprising:
a frame (35);
a side cleaning device (23) which is arranged on the vehicle frame (35) and is configured to mechanically clean and recover pulverized coal outside the rail; and
and a dust suction device (32) which is arranged on the vehicle frame (35) and is configured to suck the pulverized coal at the inner side of the rail under negative pressure.
2. The track coal suction vehicle (2) according to claim 1, further comprising a screening machine (24), wherein the side cleaning device (23) comprises a rolling brush (231) and a lifting mechanism, the rolling brush (231) is used for cleaning coal powder and a part of ballast of a track bed to the lifting mechanism, the lifting mechanism is used for lifting the coal powder and the ballast to the screening machine (24), and the screening machine (24) is used for separating the coal powder and the ballast.
3. The rail coal mining vehicle (2) according to claim 2, wherein the lifting mechanism comprises a driven wheel (232), a scraper chain (233), a scraper (234), a driving wheel (235), a discharge port (236) and a hopper (237), the scraper (234) is arranged on the scraper chain (233), the scraper chain (233) is in transmission connection with the driving wheel (235) and the driven wheel (232), and the scraper (234) is used for lifting the coal dust and ballast swept by the rolling brush (231) into the hopper (237) and conveying the coal dust and ballast to the screening machine (24) through the discharge port (236).
4. The rail coal suction vehicle (2) according to claim 2, wherein the screen (24) comprises an organ-sealed cover (241) and a screen body (242), the upper end of the organ-sealed cover (241) is connected with the discharge port (236) of the lifting mechanism, and the lower end is connected with the screen body (242).
5. The orbital coal-suction vehicle (2) according to claim 2, characterized in that the screen (24) is configured as a kick-off bar screen.
6. The track coal suction vehicle (2) according to claim 2, further comprising a horizontal conveyor (25), a material guide pipe (26) and a main conveyor (36), wherein a pulverized coal discharge port of the screening machine (24) is communicated with the main conveyor (36) through the horizontal conveyor (25), a ballast discharge port of the screening machine (24) is communicated with the material guide pipe (26), and an outlet end of the material guide pipe (26) is open and arranged downward.
7. The coal rail car (2) according to claim 6, characterized in that the horizontal conveyor (25) is configured as a telescopic conveyor.
8. The rail coal suction vehicle (2) according to claim 1, characterized by comprising a plurality of side sweeping devices (23) arranged along the length direction of the vehicle frame (35), wherein each side sweeping device (23) is configured to be capable of extending along the width direction of the vehicle frame (35) in a staggered manner so as to cover the coal dust sweeping surface on the outer side of the rail as a whole.
9. The coal rail suction vehicle (2) according to claim 8, wherein the extending directions of any two adjacent side sweeping devices (23) are opposite.
10. The rail coal mining vehicle (2) according to claim 1, characterized in that the side sweeping device (23) is arranged in front of the dust suction device (32).
11. A control method for controlling a railway coal suction vehicle (2) according to any one of claims 1 to 10, comprising:
the side cleaning device (23) is used for mechanically cleaning and recovering the coal dust outside the track; and
and a dust suction device (32) is used for sucking the coal dust at the inner side of the track under negative pressure.
12. A coal suction car group is characterized by comprising a material car (1) and the track coal suction car (2) according to any one of claims 1 to 10.
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| CN202111579930.3A CN114250740B (en) | 2021-12-22 | 2021-12-22 | Rail coal suction vehicle, control method thereof and coal suction vehicle set |
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| CN202111579930.3A CN114250740B (en) | 2021-12-22 | 2021-12-22 | Rail coal suction vehicle, control method thereof and coal suction vehicle set |
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| CN114250740B CN114250740B (en) | 2024-02-02 |
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