CN218892537U - Coal car belt cleaning device - Google Patents

Abstract

The utility model relates to the technical field of cleaning equipment, in particular to a coal car cleaning device. The coal car cleaning device comprises a first cleaning area, a second cleaning area, a third cleaning area and a circulating water supply mechanism, wherein the first cleaning area, the second cleaning area and the third cleaning area are sequentially connected, and the circulating water supply mechanism is respectively connected with the first cleaning area, the second cleaning area and the third cleaning area. The utility model realizes the multi-time all-round thorough flushing of the carriage top, the carriage bottom and the carriage bodies at two sides of the coal transporting carriage through the first cleaning zone, the second cleaning zone, the third cleaning zone and the circulating water supply mechanism which are sequentially arranged, thereby avoiding the pollution of surrounding environment caused by falling of coal powder in the returning process of the coal transporting carriage, ensuring the whole cleaning process to be continuous and uninterrupted, reducing the working intensity of staff and improving the cleaning efficiency of the coal transporting carriage.

Description

Coal car belt cleaning device

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a coal car cleaning device.

Background

The coal is used as main fuel of coal-fired units of power plants, dozens or more hundred coal-carrying vehicles are continuously transported to a factory coal storage yard for stacking and storing every day, and the coal-carrying vehicles are largely moved to and from the factory coal storage yard and between a coal mining area, a station and a wharf. In order to prevent the pollution of coal dust falling on the coal transporting vehicles to urban roads and surrounding environments, a power plant worker adopts a method of flushing each coal transporting vehicle from a factory by using a manual high-pressure water gun to flush the coal dust, but the method has the advantages of high labor intensity of workers, serious water resource waste, unsatisfactory flushing effect because the carriage of the coal transporting vehicle is higher and is not in place by manual flushing, and meanwhile, the coal dust flushed from the coal transporting vehicle is directly flushed along with water flow and is not recycled, so that a certain amount of coal loss is caused.

Therefore, there is a need in the industry to design a cleaning device for a coal car that can solve the above-mentioned problems.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a coal car cleaning device, which comprises a first cleaning area, a second cleaning area, a third cleaning area and a circulating water supply mechanism respectively connected with the first cleaning area, the second cleaning area and the third cleaning area, wherein the first cleaning area, the second cleaning area and the third cleaning area are sequentially connected with each other, and the circulating water supply mechanism comprises the following components: the first cleaning area comprises a first base layer and a first flushing mechanism arranged above the first base layer, the first flushing mechanism is used for cleaning the top of a carriage of the coal car, a soaking pool is arranged on the first base layer and used for soaking wheels and the bottom of the coal car, and the first flushing mechanism is connected with the circulating water supply mechanism; the second cleaning area comprises a second base layer and a second flushing mechanism arranged above the second base layer, the second flushing mechanism is used for cleaning the top of a carriage of the coal transporting vehicle, a third flushing mechanism is arranged on the upper end face of the second base layer and used for cleaning the bottom of the coal transporting vehicle, flushing mechanisms are symmetrically arranged on two sides of the second base layer along the length direction and used for flushing the vehicle bodies on two sides of the coal transporting vehicle, and the second flushing mechanism, the third flushing mechanism and the flushing mechanism are respectively connected with the circulating water supply mechanism; the third cleaning area comprises a third base layer and a fourth flushing mechanism arranged above the third base layer, the fourth flushing mechanism is used for cleaning the top of a carriage of the coal car, at least two groups of fifth flushing mechanisms are arranged on the third base layer side by side along the length direction, the fifth flushing mechanisms are used for flushing car bodies on two sides of the coal car, and the fourth flushing mechanism and the fifth flushing mechanism are respectively connected with the circulating water supply mechanism.

Further, the second base layer and the third base layer have an ascending slope α in the length direction, the ascending slope α being 3 ° to 5 °.

Further, a first water collecting ditch is formed at the joint of the first base layer and the second base layer, and a second water collecting ditch is formed at the joint of the second base layer and the third base layer.

Further, the circulating water supply mechanism comprises a first sedimentation tank, a second sedimentation tank, a third sedimentation tank and a circulating water tank, wherein water inlets of the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are respectively connected with the water soaking tank, the first water collecting ditch and the second water collecting ditch, and water outlets of the first sedimentation tank, the second sedimentation tank and the third sedimentation tank are respectively connected with the water inlet of the circulating water tank.

Further, the soaking pool comprises a descending section, a leveling section and an ascending section, and the coal transporting vehicle enters the leveling section through the descending section for soaking and then enters the second cleaning area through the ascending section.

Further, the depth h of the soaking pool is 0.6-1.0 meter.

Further, the first flushing mechanism comprises a first water pump, a switch, a first water guide pipe and a plurality of first high-pressure nozzles which are arranged at intervals along the length direction of the first water guide pipe and are sequentially connected with the water outlet of the circulating water tank, and the second flushing mechanism, the third flushing mechanism, the fourth flushing mechanism and the fifth flushing mechanism are identical to the first flushing mechanism.

Further, the coal car cleaning device further comprises a door-type rigid frame fixedly arranged on the first cleaning area, the second cleaning area and the third cleaning area, and the first flushing mechanism, the second flushing mechanism, the fourth flushing mechanism, the fifth flushing mechanism and the flushing mechanism are all arranged on the door-type rigid frame.

Further, the flushing mechanism comprises a cleaning brush frame arranged on the portal rigid frame, a second water guide pipe and a plurality of cleaning brushes are arranged on the cleaning brush frame in the vertical direction, a plurality of second high-pressure nozzles are arranged on the second water guide pipe at intervals along the length direction of the second water guide pipe, and the plurality of cleaning brushes are sequentially arranged along the length direction of the second water guide pipe.

Further, the switch is an infrared inductive switch.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The coal transporting vehicle cleaning device provided by the utility model realizes multiple omnibearing thorough flushing of the top, the bottom and the vehicle bodies at two sides of the coal transporting vehicle through the first cleaning area, the second cleaning area, the third cleaning area and the circulating water supply mechanism which are sequentially arranged, so that the coal transporting vehicle is prevented from dropping coal powder to pollute the surrounding environment in the return process, the whole cleaning process is continuous and uninterrupted, the working intensity of staff is reduced, and the cleaning efficiency of the coal transporting vehicle is improved.

(2) According to the coal transporting vehicle cleaning device, the water immersing tank capable of immersing the height of the tires of the coal transporting vehicle is arranged in the first cleaning area, so that most of coal dust attached to wheels and the vehicle bottom is washed by water flow in the water immersing tank in the process of driving the coal transporting vehicle, and the coal transporting vehicle cleaning device is simple in structural design, convenient and practical.

(3) According to the coal car cleaning device, the first flushing mechanism, the second flushing mechanism and the fourth flushing mechanism are respectively arranged above the first cleaning area, the second cleaning area and the third cleaning area, so that the top of a carriage of the coal car is effectively flushed three times, the flushing efficiency is high, and the flushing effect is good.

(4) The third flushing mechanism is arranged on the upper end face of the second cleaning area, so that the second flushing of the bottom of the immersed coal car is realized, and the thoroughly cleaning of the bottom of the coal car is further ensured.

(5) According to the coal car cleaning device, the scrubbing mechanism and the fifth flushing mechanism are respectively arranged in the second cleaning area and the third cleaning area, so that the two-time cleaning of the car bodies on the two sides of the coal car is realized, and the cleaning effect of the whole coal car is ensured.

(6) According to the coal transporting vehicle cleaning device, the first sedimentation tank, the second sedimentation tank and the third sedimentation tank which are respectively connected with the water soaking tank, the first water collecting channel and the second water collecting channel are arranged, so that the effects that waste water after the coal transporting vehicle is washed is concentrated and flows into the circulating water tank for recycling after sedimentation are achieved, the water resource utilization efficiency is improved, meanwhile, coal dust repeatedly cleaned in the first sedimentation tank, the second sedimentation tank and the third sedimentation tank is recycled to the coal storage area after sedimentation and draining are achieved, coal loss is effectively reduced, and the utilization rate of coal resources is improved.

Drawings

For a clearer description of embodiments of the utility model or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of an overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional front view of an overall structure according to an embodiment of the present utility model;

FIG. 3 is a schematic left view of a second cleaning zone according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of a part of a brushing mechanism according to an embodiment of the present utility model;

wherein: 1-first washing zone, 11-first base layer, 12-first washing mechanism, 120-first water pump, 121-switch, 122-first water guide pipe, 123-first high-pressure nozzle, 13-immersion tank, 130-descending section, 131-leveling section, 132-ascending section, 2-second washing zone, 21-second base layer, 22-second washing mechanism, 23-third washing mechanism, 24-washing mechanism, 240-washing brush holder, 241-second water guide pipe, 242-washing brush, 243-second high-pressure nozzle, 3-third washing zone, 31-third base layer, 32-fourth washing mechanism, 33-fifth washing mechanism, 4-circulation water supply mechanism, 41-first settling tank, 42-second settling tank, 43-third settling tank, 44-circulation tank, 5-first water collecting tank, 6-second water collecting tank, 7-gate type rigid frame, 8-second water pump, 9-water outlet valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, left, right, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

As shown in fig. 1 to 4, the present utility model provides a coal car cleaning device, comprising a first cleaning zone 1, a second cleaning zone 2, a third cleaning zone 3, and a circulating water supply mechanism 4 respectively connected with the first cleaning zone 1, the second cleaning zone 2, and the third cleaning zone 3, wherein: the first cleaning zone 1 comprises a first base layer 11 and a first flushing mechanism 12 arranged above the first base layer 11, wherein the first flushing mechanism 12 is used for cleaning the top of a carriage of the coal car, a water soaking tank 13 is arranged on the first base layer 11, the water soaking tank 13 is used for soaking wheels and bottoms of the coal car, and the first flushing mechanism 12 is connected with the circulating water supply mechanism 4; the second cleaning area 2 comprises a second base layer 21 and a second flushing mechanism 22 arranged above the second base layer 21, the second flushing mechanism 22 is used for cleaning the top of a carriage of the coal car for the second time, a third flushing mechanism 23 is arranged on the upper end surface of the second base layer 21 and used for cleaning the bottom of the coal car for the second time, flushing mechanisms 24 are symmetrically arranged on two sides of the second base layer 21 along the length direction, the flushing mechanisms 24 are used for flushing the car bodies on two sides of the coal car, and the second flushing mechanism 22, the third flushing mechanism 23 and the flushing mechanism 24 are respectively connected with the circulating water supply mechanism 4; the third cleaning area 3 comprises a third base layer 31 and a fourth flushing mechanism 32 arranged above the third base layer 31, the fourth flushing mechanism 32 is used for cleaning the top of a carriage of the coal car for the third time, the third base layer 31 is provided with at least two groups of fifth flushing mechanisms 33 side by side along the length direction, the fifth flushing mechanisms 33 are used for flushing the two side bodies of the coal car for the second time, and the fourth flushing mechanism 32 and the fifth flushing mechanisms 33 are respectively connected with the circulating water supply mechanism 4.

In this embodiment, the cement foundation integrally poured by the first base layer 11, the second base layer 21 and the third base layer 31 is further symmetrically provided with waterproof edges for preventing water from flowing out along two side edges along two sides in the length direction, the first flushing mechanism 12, the second flushing mechanism 22 and the fourth flushing mechanism 32 are respectively arranged at the front end and the rear end of the first base layer 11, the front end and the rear end of the second base layer 21 and the front end and the rear end of the third base layer 31, the third flushing mechanism 23 is respectively arranged at the front end and the rear end of the first base layer 11, the front end and the rear end of the second base layer 21 and the front end and the rear end of the third base layer 31, the fifth flushing mechanism 33 is respectively arranged between the two groups, the coal car after unloading is firstly driven into the first cleaning area 1 of the cleaning device, the water circulation water supply mechanism 4 is started, the first flushing mechanism 12 starts flushing the top of the carriage of the coal car, simultaneously, the water storage tank 13 also starts to store water, as the coal truck enters the water storage tank 13, the water flow in the tank is driven to surge to flush the wheels and the bottom of the truck, then the coal truck enters the second cleaning area 2, the second flushing mechanism 22, the third flushing mechanism 23 and the flushing mechanism 24 are opened, the second flushing mechanism 22 carries out the second flushing on the top of the carriage of the coal truck, the third flushing mechanism 23 carries out the second flushing on the bottom of the coal truck, the flushing mechanism 24 carries out the flushing on the two side bodies of the coal truck, finally the coal truck enters the third cleaning area 3, the fourth flushing mechanism 32 and the fifth flushing mechanism 33 carry out the third flushing on the top of the carriage of the coal truck, the fifth flushing mechanism 33 carries out the second flushing on the two side bodies of the coal truck, so far, the whole flushing process is continuous and uninterrupted, the cleaning time is short, the staff's intensity of labour is low, washs comprehensively and thoroughly simultaneously, and the washing effect is good, has effectively avoided the coal-handling car to drop the buggy in the return journey, has reduced the dust content in the air, has reduced the environmental pollution in the district that the coal-handling car passed through.

Specifically, as shown in fig. 2, the second base layer 21 and the third base layer 31 in the present embodiment have an ascending slope α in the length direction, the ascending slope α being 3 ° to 5 °. When the coal transporting vehicle moves forward, water flow generated by flushing the coal transporting vehicle in each flushing mechanism in the cleaning device flows back from top to bottom through the rising slope alpha of the second base layer 21 and the third base layer 31, so that no water accumulation occurs in the whole flushing process, and meanwhile, operators can judge the cleaning degree of the coal transporting vehicle by observing the turbidity and the color of the water flow flowing back from top to bottom, so that the flushing time is controlled.

Specifically, as shown in fig. 1-2, in this embodiment, the connection between the first base layer 11 and the second base layer 21 is provided with the first water collecting channel 5, the connection between the second base layer 21 and the third base layer 31 is provided with the second water collecting channel 6, and by setting the first water collecting channel 5 and the second water collecting channel 6, the waste water generated by cleaning the coal truck in the second cleaning area 2 and the third cleaning area 3 can be recycled after concentrated backflow, so that the water resource is effectively saved.

Specifically, as shown in fig. 1, in this embodiment, the circulating water supply mechanism 4 includes a first sedimentation tank 41, a second sedimentation tank 42, a third sedimentation tank 43 and a circulating water tank 44, an external water source is externally connected to the circulating water tank 44, water inlets of the first sedimentation tank 41, the second sedimentation tank 42 and the third sedimentation tank 43 are respectively connected with the immersion tank 13, the first water collecting channel 5 and the second water collecting channel 6, water outlets of the first sedimentation tank 41, the second sedimentation tank 42 and the third sedimentation tank 43 are respectively connected with a water inlet of the circulating water tank 44 through three return pipes, the three return pipes are respectively provided with a second water pump 8, the waste water after flushing in the first sedimentation zone 1, the second sedimentation zone 2 and the third sedimentation zone 3 is respectively returned to the first sedimentation tank 41, the second sedimentation tank 42 and the third sedimentation tank 43 through the immersion tank 13, the first water collecting channel 5 and the second water collecting channel 6 under the action of the second water pump 8, the first sedimentation tank 41, the second sedimentation tank 42 and the third sedimentation tank 43 are respectively arranged near the water inlet of the circulating water tank 44 through three return pipes, the water inlet 9 is repeatedly arranged at the water outlet 9 after the water inlet of the third sedimentation tank and the third sedimentation tank is repeatedly opened, and the water outlet 9 is repeatedly connected with the water outlet 9 after the water flows through the water inlet and the water outlet 9 is repeatedly arranged at the water outlet position.

Specifically, as shown in fig. 2, the soaking tank 13 in this embodiment includes a descending section 130, a leveling section 131 and an ascending section 132, and the coal truck enters the leveling section 131 through the descending section 130 for soaking and then enters the second cleaning area 2 through the ascending section 132. By arranging the descending section 130, the leveling section 131 and the ascending section 132, the coal car can stably drive into the bottom of the soaking pool 13, so that the soaking pool 13 can fully soak and wash the wheels and the bottom of the coal car.

Specifically, as shown in fig. 2, the depth h of the immersion tank 22 in this embodiment is 0.6 m to 1.0 m. Preferably, the depth h of the soaking tank 13 is 0.8 m, which can ensure that the water in the soaking tank 13 passes through the tire of the coal truck to a height of about 80%, and most of the coal dust on the tire and the bottom of the truck can be dropped into the water flow through soaking.

Specifically, as shown in fig. 1 and 3, in this embodiment, the first flushing mechanism 12 includes a first water pump 120, a switch 121, a first water conduit 122 and a plurality of first high-pressure nozzles 123 arranged along the length direction of the first water conduit 122, which are sequentially connected to the water outlet of the circulating water tank 44, the second flushing mechanism 22, the third flushing mechanism 23, the fourth flushing mechanism 32 and the fifth flushing mechanism 33 are identical to the first flushing mechanism 12, the first water pump 120 is controlled to work by the switch 121, and water flow in the circulating water tank 44 is pumped to flow into the first water conduit 122 and then is sprayed out through the first high-pressure nozzles 123, so as to achieve the purpose of high-pressure flushing of the coal carrier.

Specifically, as shown in fig. 1 to 3, the present embodiment further includes a door-type rigid frame 7 fixedly disposed on the first cleaning area 1, the second cleaning area 2, and the third cleaning area 3, and the first flushing mechanism 12, the second flushing mechanism 22, the fourth flushing mechanism 32, the fifth flushing mechanism 33, and the flushing mechanism 24 are disposed on the door-type rigid frame 7.

Specifically, as shown in fig. 2-3, in this embodiment, two groups of flushing mechanisms 24 are symmetrically disposed at front and rear ends of the second base layer 21, including a cleaning brush holder 240 disposed on the door-type rigid frame 7, a second water guide tube 241 and a plurality of cleaning brushes 242 are disposed on the cleaning brush holder 240 in a vertical direction, a plurality of second high-pressure nozzles 243 are disposed on the second water guide tube 241 and are arranged at intervals along a length direction of the second water guide tube 241, and a plurality of cleaning brushes 242 are sequentially arranged along the length direction of the second water guide tube 241. In this embodiment, the flushing mechanism 24 may be fixed or slidably disposed on the door-type rigid frame 7, preferably, the cleaning brush frame 240 is provided with a sliding rail (not shown in the figure), the door-type rigid frame 7 is provided with a sliding groove (not shown in the figure) adapted to the sliding rail, the flushing mechanism 24 is externally connected with a driving motor and a screw assembly for driving the door-type rigid frame to slide, the flushing mechanism 24 performs high-pressure flushing on two side vehicle bodies through the second high-pressure nozzle 243, and simultaneously, the cleaning brush 242 is utilized to brush the vehicle bodies, and in this embodiment, the second water guide pipe 241 is communicated with the first water guide pipe 122 in the second flushing mechanism 22, and the switch 121 in the second flushing mechanism 22 may simultaneously control the opening and closing of the flushing mechanism 24.

Specifically, as shown in fig. 1, in this embodiment, the switch 121 is an infrared induction switch, and the infrared induction switch is respectively disposed on the beams above the door-type rigid frame 7 at the front and rear ends of the first base layer 11, the front and rear ends of the second base layer 21, and the front and rear ends of the third base layer 31, when the headstock of the coal truck drives into the first cleaning area 1, the infrared induction switch at the rear end of the first base layer 11 senses the coal truck, controls the first cleaning mechanism 12 to clean the top of the carriage of the coal truck, when the tailstock of the coal truck drives out of the first cleaning area 1, the infrared induction switch at the front end of the first base layer 11 senses the coal truck, controls the first cleaning mechanism 12 to stop working, and the second cleaning mechanism 22, the third cleaning mechanism 23, the third cleaning mechanism 24, the fourth cleaning mechanism 32, and the fifth cleaning mechanism 33 in the second cleaning area are the same as the working principles of the first cleaning mechanism 12, which are not repeated here.

The cleaning step of the coal car cleaning device for the coal car is as follows:

(1) The coal car after unloading is driven into a first cleaning area 1, a first flushing mechanism 12 carries out high-pressure flushing on the top of a carriage of the coal car, and meanwhile, the water flow in a water soaking tank 13 carries out soaking cleaning on wheels and the bottom of the coal car;

(2) The coal transporting vehicle enters the second cleaning area 2, the first flushing mechanism 12 stops working, and the second flushing mechanism 22, the third flushing mechanism 23 and the flushing mechanism 24 respectively and simultaneously flush the top, the bottom and the vehicle bodies at two sides of the carriage of the coal transporting vehicle at high pressure;

(3) The coal truck enters the third cleaning area 3, the second flushing mechanism 22, the third flushing mechanism 23 and the flushing mechanism 24 stop working, and the fourth flushing mechanism 32 and the fifth flushing mechanism 33 respectively and simultaneously perform high-pressure flushing on the top of the carriage of the coal truck and the vehicle bodies on two sides;

(4) When the coal carriage moves away from the third cleaning zone 3, the fourth flushing mechanism 32 and the fifth flushing mechanism 33 stop working, and the whole cleaning process of the coal carriage is finished.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.

Claims (10)

1. The utility model provides a fortune coal car belt cleaning device, its characterized in that, including the first washing district (1), second washing district (2), the third washing district (3) that link to each other in proper order set up, and respectively with first washing district (1) second washing district (2) the circulation water supply mechanism (4) that third washing district (3) link to each other, wherein:

the first cleaning area (1) comprises a first base layer (11) and a first flushing mechanism (12) arranged above the first base layer (11), the first flushing mechanism (12) is used for cleaning the top of a carriage of the coal car, a water soaking tank (13) is arranged on the first base layer (11), the water soaking tank (13) is used for soaking wheels and the bottom of the coal car, and the first flushing mechanism (12) is connected with the circulating water supply mechanism (4);

the second cleaning area (2) comprises a second base layer (21) and a second flushing mechanism (22) arranged above the second base layer (21), the second flushing mechanism (22) is used for cleaning the top of a carriage of the coal transporting vehicle, a third flushing mechanism (23) is arranged on the upper end face of the second base layer (21), the third flushing mechanism (23) is used for cleaning the bottom of the coal transporting vehicle, flushing mechanisms (24) are symmetrically arranged on two sides of the second base layer (21) along the length direction, the flushing mechanisms (24) are used for flushing two side vehicle bodies of the coal transporting vehicle, and the second flushing mechanism (22), the third flushing mechanism (23) and the flushing mechanism (24) are respectively connected with the circulating water supply mechanism (4);

the third cleaning area (3) comprises a third base layer (31) and a fourth flushing mechanism (32) arranged above the third base layer (31), the fourth flushing mechanism (32) is used for cleaning the top of a carriage of the coal transporting vehicle, the third base layer (31) is provided with at least two groups of fifth flushing mechanisms (33) side by side along the length direction, the fifth flushing mechanisms (33) are used for flushing two side vehicle bodies of the coal transporting vehicle, and the fourth flushing mechanism (32) and the fifth flushing mechanisms (33) are respectively connected with the circulating water supply mechanism (4).

2. The coal car cleaning device according to claim 1, characterized in that the second base layer (21) and the third base layer (31) have an ascending slope α in the length direction, the ascending slope α being 3 ° -5 °.

3. The coal car cleaning device according to claim 1, characterized in that a first water collecting ditch (5) is arranged at the joint of the first base layer (11) and the second base layer (21), and a second water collecting ditch (6) is arranged at the joint of the second base layer (21) and the third base layer (31).

4. A coal car cleaning device according to claim 3, characterized in that the circulating water supply mechanism (4) comprises a first sedimentation tank (41), a second sedimentation tank (42), a third sedimentation tank (43) and a circulating water tank (44), wherein water inlets of the first sedimentation tank (41), the second sedimentation tank (42) and the third sedimentation tank (43) are respectively connected with the soaking tank (13), the first water collecting ditch (5) and the second water collecting ditch (6), and water outlets of the first sedimentation tank (41), the second sedimentation tank (42) and the third sedimentation tank (43) are respectively connected with the water inlet of the circulating water tank (44).

5. The coal car cleaning device according to claim 1, characterized in that the soaking tank (13) comprises a descending section (130), a leveling section (131) and an ascending section (132), and the coal car is driven into the leveling section (131) through the descending section (130) and is driven into the second cleaning area (2) through the ascending section (132) after being soaked.

6. The coal car cleaning device according to claim 5, characterized in that the depth h of the soaking tank (13) is 0.6-1.0 meter.

7. The coal car cleaning device according to claim 4, wherein the first flushing mechanism (12) comprises a first water pump (120), a switch (121), a first water guide pipe (122) and a plurality of first high-pressure nozzles (123) which are sequentially connected with the water outlet of the circulating water tank (44) and are arranged at intervals along the length direction of the first water guide pipe (122), and the second flushing mechanism (22), the third flushing mechanism (23), the fourth flushing mechanism (32) and the fifth flushing mechanism (33) are identical to the first flushing mechanism (12).

8. The coal car cleaning device according to claim 1, further comprising a door type rigid frame (7) fixedly arranged on the first cleaning area (1), the second cleaning area (2) and the third cleaning area (3), wherein the first flushing mechanism (12), the second flushing mechanism (22), the fourth flushing mechanism (32), the fifth flushing mechanism (33) and the flushing mechanism (24) are arranged on the door type rigid frame (7).

9. The coal car cleaning device according to claim 8, wherein the flushing mechanism (24) comprises a cleaning brush frame (240) arranged on the portal rigid frame (7), a second water guide pipe (241) and a plurality of cleaning brushes (242) are arranged on the cleaning brush frame (240) in the vertical direction, a plurality of second high-pressure nozzles (243) which are arranged at intervals along the length direction of the second water guide pipe (241) are arranged on the second water guide pipe (241), and a plurality of cleaning brushes (242) are sequentially arranged along the length direction of the second water guide pipe (241).

10. The coal car cleaning device of claim 7, wherein the switch (121) is an infrared sensing switch.

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