Apparatus for separating coal particles from wastewater from cleaning mining heavy duty dump truck

Abstract

The present invention relates to the field of apparatuses for cleaning mining heavy duty dump trucks, in particular to an apparatus for separating coal particles from wastewater from cleaning a mining heavy duty dump truck, said apparatus comprising a mounting component, which comprises side baffles, an upper baffle arranged at the top of the side baffles, and a channel arranged at the bottom of the side baffles; a control component, which comprises a front sensor arranged on one side of a side baffle and a rear sensor arranged on the other side of the side baffle; and a brushing component, which comprises side surface brushing assemblies arranged on the side baffles, a bottom brushing assembly arranged on the channel, and a spraying apparatus arranged on the upper baffle. The front sensor, the spraying apparatus, and a chain mesh, among others, are provided to wash dust, soil, and coal particles off of a mining heavy duty dump truck, and to filter coal particles from wastewater after the mining heavy duty dump truck has been washed, thus improving the driving safety and the service life of the mining heavy duty dump truck while avoiding environmental pollution, and also avoiding waste of coal particles.

Description

A coal particle separation device for cleaning wastewater from heavy-duty dump trucks used in mines Technical Field

[0001] The invention relates to the field of heavy-duty dump truck cleaning devices for mines, and in particular to a coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mines. Background Art

[0002] During operations in open-pit coal mines, heavy-duty dump trucks need to frequently enter and exit the mine. Due to the high dust and soil in the mine, heavy-duty dump trucks carry a large amount of dust, soil and coal particles when leaving the mine. This not only pollutes the environment, but may also affect the driving safety and service life of heavy-duty dump trucks, and also causes a large amount of coal particles to be wasted. For this reason, we proposed a coal particle separation device for cleaning wastewater of heavy-duty dump trucks. Summary of the Invention

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.

[0004] In view of the problem that the above-mentioned heavy-duty dump trucks for mining carry a large amount of dust, soil and coal particles, causing pollution to the environment and resulting in a large amount of coal waste, the present invention is proposed.

[0005] Therefore, the object of the present invention is to provide a coal particle separation device for cleaning wastewater of heavy-duty dump trucks used in mines.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: a coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining, comprising: an installation component, including a side baffle, an upper baffle arranged on the top of the side baffle, and a channel arranged at the bottom of the side baffle; a control component, including a front sensor arranged on one side of the side baffle, and a rear sensor arranged on the other side of the side baffle; a brushing component, including a side brushing assembly arranged on the side baffle, a bottom brushing assembly arranged on the channel, and a spray device arranged on the upper baffle; and a conveying component, including a water conveying assembly arranged on the channel, a solid-liquid separation assembly arranged below the water conveying assembly, a gravity conveying assembly arranged below the solid-liquid separation assembly, a compression assembly arranged below the gravity conveying assembly, a linkage assembly arranged below the compression assembly, a rotating assembly arranged on the linkage assembly, and a gear assembly arranged on the rotating assembly.

[0007] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the side brushing assembly includes a high-pressure water gun arranged on the side baffle, a telescopic rod arranged on the side baffle, and a roller brush arranged on the telescopic rod.

[0008] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks of the present invention, the bottom brushing assembly includes a water pipe arranged above the channel and a water gun head arranged on the water pipe.

[0009] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the water delivery component includes a side leakage trough opened on the channel, a middle leakage trough opened in the center of the channel, a leakage port arranged below the channel, and an inclined plate arranged below the channel.

[0010] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the solid-liquid separation component includes a motor arranged below the channel, a first rotating shaft arranged on the output shaft of the motor, a chain net arranged on the first rotating shaft, a first baffle arranged on both sides of the first rotating shaft, a second rotating shaft arranged on the first baffle, a conveyor belt arranged on the second rotating shaft, and a rotating brush arranged on the second rotating shaft.

[0011] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the gravity conveying assembly includes a baffle groove opened on the channel, a second baffle arranged in the baffle groove, a third rotating shaft arranged on the second baffle, and a first belt arranged on the third rotating shaft; wherein a rotating groove is opened in the middle of the third rotating shaft.

[0012] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the compression assembly includes a guide groove opened on the second baffle, a return spring arranged in the guide groove, a guide block arranged on the return spring, and a support plate arranged on the guide block.

[0013] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the linkage assembly includes a connecting member arranged below the support plate, a first connecting rod arranged on the connecting member, a second connecting rod arranged on the first connecting rod, and a third connecting rod arranged on the second connecting rod; wherein, a rotating shaft is provided on the second connecting rod, a first fixed block is connected to the rotating shaft, and a fixed plate is connected below the first fixed block.

[0014] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks for mining described in the present invention, the rotating assembly includes a connecting shaft arranged on a third connecting rod, a turntable arranged on the connecting shaft, a connecting rod arranged on the turntable, and a second fixed block arranged on the connecting rod.

[0015] As a preferred solution of the coal particle separation device for cleaning wastewater of heavy-duty dump trucks described in the present invention, the gear assembly includes a first gear arranged on a connecting rod, a second belt arranged on the first gear, and a second gear arranged on the second belt.

[0016] The beneficial effects of the present invention are as follows: the present invention washes away dust, dirt and coal particles on heavy-duty dump trucks used in mining by setting a front sensor, a spray device and a chain net, and filters out coal particles in the sewage after washing the heavy-duty dump trucks used in mining, thereby avoiding environmental pollution, increasing the driving safety and service life of heavy-duty dump trucks used in mining, and avoiding the waste of coal particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] FIG1 is a schematic diagram of the overall structure of a coal particle separation device for washing wastewater of a heavy-duty dump truck used in mining.

[0019] FIG2 is a schematic cross-sectional view of a brushing component of a coal particle separation device for cleaning wastewater of a heavy-duty dump truck used in mining.

[0020] FIG3 is a schematic cross-sectional view of a solid-liquid separation component of a coal particle separation device for cleaning wastewater from a heavy-duty dump truck used in mining.

[0021] FIG4 is a schematic cross-sectional view of a compression assembly of a coal particle separation device for cleaning wastewater from a heavy-duty dump truck used in mining.

[0022] FIG5 is a schematic cross-sectional view of a rotating assembly of a coal particle separation device for cleaning wastewater of a heavy-duty dump truck used in mining. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0026] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included.

[0027] Example 1

[0028] 1 to 5, which are the first embodiment of the present invention, a coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining is provided, comprising: a mounting component 100, comprising a side baffle 101, an upper baffle 102 arranged on the top of the side baffle 101, and a channel 103 arranged at the bottom of the side baffle 101; a control component 200, comprising a front sensor 201 arranged on one side of the side baffle 101, and a rear sensor 202 arranged on the other side of the side baffle 101; a brushing component 300, comprising a side brushing assembly 301 arranged on the side baffle 101, an upper baffle 102 arranged on the top of the side baffle 101, and a channel 103 arranged at the bottom of the side baffle 101; A bottom brushing assembly 302 on the upper baffle 102, and a spray device 303 arranged on the upper baffle 102; and a conveying component 400, including a water conveying assembly 401 arranged on the channel 103, a solid-liquid separation assembly 402 arranged below the water conveying assembly 401, a gravity conveying assembly 403 arranged below the solid-liquid separation assembly 402, a compression assembly 404 arranged below the gravity conveying assembly 403, a linkage assembly 405 arranged below the compression assembly 404, a rotating assembly 406 arranged on the linkage assembly 405, and a gear assembly 407 arranged on the rotating assembly 406.

[0029] Specifically, there are two side baffles 101, the top of which is fixedly connected to an upper baffle 102, and the side baffles 101 are symmetrically installed on both sides of the upper baffle 102. A channel 103 is fixedly installed at the bottom of the side baffle 101. A front sensor 201 is installed on the side of one side baffle 101 close to the vehicle entrance, and a rear sensor 202 is installed on the side of the side baffle 101 close to the vehicle exit, which is used to detect the entry and exit of heavy-duty dump trucks used in mining, thereby automatically starting and stopping the car washing device to improve work efficiency. Side brush components 301 are fixedly installed on the inner walls of the two side baffles 101. A bottom brushing assembly 302 is fixedly installed on the top of the channel 103, and a spray device 303 is fixedly installed on the bottom of the upper baffle 102. The brushing component 300 is used to flush the heavy-duty dump trucks used in mining. A water delivery assembly 401 is provided below the channel 103, and a solid-liquid separation assembly 402 is installed below the water delivery assembly 401, which is used to filter the coal particles in the sewage after flushing the heavy-duty dump trucks used in mining. A compression assembly 404, a linkage assembly 405, a rotation assembly 406 and a gear assembly 407 are provided below the solid-liquid separation assembly 402, which can cooperate to transport the coal particles to the recovery device.

[0030] Operation process: When in use, when the front sensor 201 detects that the heavy-duty dump truck for mining enters the channel 103 from the vehicle entrance, the side brushing assembly 301, the bottom brushing assembly 302 and the spray device 303 flush the heavy-duty dump truck for mining, and the sewage after flushing reaches the solid-liquid separation assembly 402 through the water conveying assembly 401, and filters out the coal particles. When the coal particles enter the gravity conveying assembly 403, when the gravity of the coal particles on the gravity conveying assembly 403 reaches the critical value, the linkage assembly 405, the rotating assembly 406 and the gear assembly 407 drive the gravity conveying assembly 403 to rotate and transport the coal particles to the recovery device. When the rear sensor 202 detects that the heavy-duty dump truck for mining leaves the vehicle exit, the side brushing assembly 301, the bottom brushing assembly 302 and the spray device stop.

[0031] Example 2

[0032] 1 to 5 , a second embodiment of the present invention is shown. This embodiment differs from the first embodiment in that the side brushing assembly 301 includes a high-pressure water gun 301 a disposed on the side baffle 101 , a telescopic rod 301 b disposed on the side baffle 101 , and a roller brush 301 c disposed on the telescopic rod 301 b.

[0033] Specifically, high-pressure water guns 301a are fixedly installed on the inner walls of the two side baffles 101, and there are several of them. A telescopic rod 301b is fixedly installed in the middle of the two high-pressure water guns 301a, and a roller brush 301c is fixedly installed on the end of the telescopic rod 301b away from the side baffle 101. The telescopic rod 301b can be controlled by a control system and the distance between the roller brush 301c and the heavy-duty mining dump truck can be adjusted according to the width of the heavy-duty mining dump truck, so that the roller brush 301c can more easily clean the dust, dirt and coal particles on the surface of the heavy-duty mining dump truck.

[0034] Furthermore, the bottom scrubbing assembly 302 includes a water pipe 302 a disposed above the channel 103 , and a water gun head 302 b disposed on the water pipe 302 a .

[0035] Specifically, water pipes 302a are symmetrically fixedly installed on both sides of the top of the channel 103, and a plurality of water gun heads 302b are fixedly installed on the water pipes 302a for washing away dust, dirt and coal particles on the bottom of the mining heavy dump truck.

[0036] Furthermore, the water delivery component 401 includes a side leakage groove 401a opened on the channel 103, a middle leakage groove 401b opened in the center of the channel 103, a leakage port 401c arranged below the channel 103, and an inclined plate 401d arranged below the channel 103.

[0037] Specifically, side leakage grooves 401a are respectively provided on both sides of the channel 103, and the side leakage grooves 401a are located on the side of the water pipe 302a close to the side baffle 101. A middle leakage groove 401b is provided at the top of the channel 103 between the two water pipes 302a, and a leakage port 401c is provided below the channel 103. Inclined plates 401d are provided around the leakage port 401c. The inclined plates 401d are fixedly installed below the channel 103, and the inclined surface of the inclined plates 401d faces upward to facilitate the flow of sewage downward.

[0038] Furthermore, the solid-liquid separation component 402 includes a motor 402a arranged below the channel 103, a first rotating shaft 402b arranged on the output shaft of the motor 402a, a chain net 402c arranged on the first rotating shaft 402b, a first baffle 402d arranged on both sides of the first rotating shaft 402b, a second rotating shaft 402e arranged on the first baffle 402d, a conveyor belt 402f arranged on the second rotating shaft 402e, and a rotating brush 402g arranged on the second rotating shaft 402e.

[0039] Specifically, the motor 402a is arranged below the channel 103, and the output shaft of the motor 402a is fixedly installed with the first rotating shaft 402b. There are two first rotating shafts 402b, and they are arranged below the inclined plate 401d. The outer wall of the first rotating shaft 402b is rotatably connected to the chain net 402c for filtering coal particles in the sewage. The first baffle 402d is fixedly installed on both sides of the first rotating shaft 402b, and the second rotating shaft 402e is fixedly installed on the first baffle 402d. The second rotating shaft 402e is installed between the two first rotating shafts 402b, and a transmission belt is rotatably connected between the outer wall of the second rotating shaft 402e and the outer wall of the first rotating shaft 402b, wherein the middle outer wall of the second rotating shaft 402e is fixedly connected to a rotating brush 402g, which is used to clean the residual coal particles on the chain net 402c to prevent the coal particles from getting stuck on the chain net 402c, thereby affecting the use of the device.

[0040] The rest of the structure is the same as that of Example 1.

[0041] Operation process: During use, when the current sensor 201 detects that the heavy-duty mining dump truck enters the channel 103 from the vehicle entrance, the high-pressure water gun 301a and the roller brush 301c flush the two sides of the heavy-duty mining dump truck, and the water gun head 302b flushes the bottom of the heavy-duty mining dump truck. The sewage after flushing flows into the chain net 402c, and the liquid in the sewage directly flows into the sewage recovery device. The coal particles in the sewage fall onto the chain net 402c and move with the movement of the chain net 402c. A rotating brush 402g is provided in the middle of the chain net 402c. The rotating brush 402g can remove the coal particles stuck on the chain net 402c to avoid affecting the effect of filtering the coal particles.

[0042] Example 3

[0043] 1 to 5 , a third embodiment of the present invention is shown. This embodiment differs from the above embodiments in that a gravity conveying assembly 403 includes a baffle groove 403a provided on the channel 103, a second baffle 403b disposed in the baffle groove 403a, a third rotating shaft 403c disposed on the second baffle 403b, and a first belt 403d disposed on the third rotating shaft 403c; wherein a rotating groove 403e is provided in the middle of the third rotating shaft 403c.

[0044] Specifically, a baffle groove 403a is provided below the channel 103 near the vehicle exit, and one of the second baffles 403b is fixedly installed in the baffle groove 403a. Both ends of the second baffle 403b are fixedly connected to the third rotating shaft 403c, and both ends of the third rotating shaft 403c are fixedly connected to the second baffle 403b. The outer wall of the third rotating shaft 403c is rotatably connected to the first belt 403d, which is used to transport coal particles to the recovery device, wherein a rotating groove 403e is provided in the middle of each third rotating shaft 403c.

[0045] Furthermore, the compression assembly 404 includes a guide groove 404a provided on the second baffle 403b, a return spring 404b disposed in the guide groove 404a, a guide block 404c disposed on the return spring 404b, and a support plate 404d disposed on the guide block 404c.

[0046] Specifically, a guide groove 404a is provided on the second baffle 403b, and there are several guide grooves 404a. A return spring 404b is fixedly installed in the guide groove 404a, and a guide block 404c is fixedly installed on the other end of the return spring 404b. A support plate 404d is fixedly installed on the guide block 404c. A limiting groove is provided in the middle of the guide groove 404a, and a limiting block is fixedly connected to the middle of the guide block 404c to prevent the guide block 404c from detaching when moving in the guide groove 404a.

[0047] Furthermore, the linkage assembly 405 includes a connecting member 405a arranged below the support plate 404d, a first connecting rod 405b arranged on the connecting member 405a, a second connecting rod 405c arranged on the first connecting rod 405b, and a third connecting rod 405d arranged on the second connecting rod 405c; wherein, a rotating shaft 405e is provided on the second connecting rod 405c, a first fixed block 405f is connected to the rotating shaft 405e, and a fixed plate 405g is connected below the first fixed block 405f.

[0048] Specifically, the connecting member 405a includes two vertical plates, and a connecting rod is fixedly connected between the vertical plates. The connecting rod on the connecting member 405a is rotatably connected to one end of the first connecting rod 405b, the other end of the first connecting rod 405b is rotatably connected to one end of the second connecting rod 405c, and the other end of the second connecting rod 405c is rotatably connected to one end of the third connecting rod 405d, wherein the middle part of the second connecting rod 405c is rotatably connected to a rotating shaft 405e, the rotating shaft 405e is fixedly connected to the first fixed block 405f, the bottom of the first fixed block 405f is fixedly connected to a fixed plate 405g, and the fixed plate 405g is fixedly connected between the two second baffles 403b.

[0049] Furthermore, the rotating assembly 406 includes a connecting shaft 406a provided on the third connecting rod 405d, a rotating disk 406b provided on the connecting shaft 406a, a connecting rod 406c provided on the rotating disk 406b, and a second fixing block 406d provided on the connecting rod 406c.

[0050] Specifically, the other end of the third connecting rod 405d is rotatably connected to the connecting shaft 406a, the connecting shaft 406a is fixedly connected to the turntable 406b, the center of the turntable 406b is fixedly connected to the connecting rod 406c, the outer wall of the connecting rod 406c is fixedly connected to the second fixed block 406d, the bottom of the second fixed block 406d is fixedly connected to the top of the fixed plate 405g, and the other end of the connecting rod 406c is still fixedly connected to the rotating assembly 406.

[0051] Furthermore, the gear assembly 407 includes a first gear 407a disposed on the connecting rod 406c, a second belt 407b disposed on the first gear 407a, and a second gear 407c disposed on the second belt 407b.

[0052] Specifically, the middle of the connecting rod 406c is rotatably connected to the first gear 407a, the outer wall of the first gear 407a is rotatably connected to the second belt 407b, the other end of the second belt 407b is rotatably connected to the second gear 407c, and the second gear 407c is rotatably connected in the guide groove 404a.

[0053] The rest of the structure is the same as that of Example 2.

[0054] Operation process: When in use, coal particles fall from the chain net 402c onto the first belt 403d. When the weight of the coal particles on the first belt 403d gradually increases, the support plate 404d below the first belt 403d moves downward, and the return spring 404b is compressed. The support plate 404d drives the first connecting rod 405b to rotate, the first connecting rod 405b drives the second connecting rod 405c to rotate, the second connecting rod 405c drives the third connecting rod 405d to rotate, and the third connecting rod 405d drives the turntable 406b to rotate. When the support plate 404d is compressed to the lowest point, the turntable 406b rotates, and the turntable 406b It drives the connecting rod 406c to rotate, and the first gear 407a on the connecting rod 406c rotates, and causes the second belt 407b to rotate. The second belt 407b drives the second gear 407c to rotate, and the second gear 407c drives the third rotating shaft 403c to rotate, and causes the first belt 403d to move. When the weight of the coal particles on the first belt 403d is reduced, the return spring 404b returns to its initial state and drives the support plate 404d to rise. At this time, the third connecting rod 405d pulls the turntable 406b to rotate one circle. At this time, the first belt 403d transports the coal particles to the recovery device for easy recycling.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A coal particle separation device for cleaning wastewater from heavy-duty dump trucks used in mines, characterized by: include, The mounting component (100) includes a side baffle (101), an upper baffle (102) disposed on the top of the side baffle (101), and a channel (103) disposed on the bottom of the side baffle (101); A control component (200) includes a front sensor (201) provided on one side of the side baffle (101), and a rear sensor (202) provided on the other side of the side baffle (101); The scrubbing component (300) comprises a side scrubbing assembly (301) provided on the side baffle (101), a bottom scrubbing assembly (302) provided on the channel (103), and a spray device (303) provided on the upper baffle (102); and The conveying component (400) includes a water conveying component (401) arranged on the channel (103), a solid-liquid separation component (402) arranged below the water conveying component (401), a gravity conveying component (403) arranged below the solid-liquid separation component (402), a compression component (404) arranged below the gravity conveying component (403), a linkage component (405) arranged below the compression component (404), a rotation component (406) arranged on the linkage component (405), and a gear component (407) arranged on the rotation component (406).

2. The coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining as claimed in claim 1, characterized in that: The side scrubbing assembly (301) comprises a high-pressure water gun (301a) arranged on the side baffle (101), a telescopic rod (301b) arranged on the side baffle (101), and a roller brush (301c) arranged on the telescopic rod (301b).

3. The coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining as claimed in claim 2, characterized in that: The bottom scrubbing assembly (302) comprises a water pipe (302a) arranged above the channel (103), and a water gun head (302b) arranged on the water pipe (302a).

4. The coal particle separation device for cleaning wastewater from heavy-duty dump trucks for mining as claimed in claim 3, characterized in that: The water delivery assembly (401) comprises a side leakage trough (401a) provided on the channel (103), a middle leakage trough (401b) provided in the center of the channel (103), a leakage port (401c) provided below the channel (103), and a sloping plate (401d) provided below the channel (103).

5. The coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining as claimed in claim 4, characterized in that: The solid-liquid separation component (402) includes a motor (402a) arranged below the channel (103), a first rotating shaft (402b) arranged on the output shaft of the motor (402a), a chain net (402c) arranged on the first rotating shaft (402b), a first baffle (402d) arranged on both sides of the first rotating shaft (402b), a second rotating shaft (402e) arranged on the first baffle (402d), a conveyor belt (402f) arranged on the second rotating shaft (402e), and a rotating brush (402g) arranged on the second rotating shaft (402e).

6. The coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining as claimed in claim 5, characterized in that: The gravity conveying assembly (403) includes a baffle groove (403a) opened on the channel (103), a second baffle (403b) arranged in the baffle groove (403a), a third rotating shaft (403c) arranged on the second baffle (403b), and a first belt (403d) arranged on the third rotating shaft (403c); Wherein, a rotation groove (403e) is provided in the middle of the third rotation shaft (403c).

7. The coal particle separation device for cleaning wastewater from heavy-duty dump trucks for mining as claimed in claim 1 or 6, characterized in that: The compression assembly (404) includes a guide groove (404a) provided on the second baffle (403b), a return spring (404b) arranged in the guide groove (404a), a guide block (404c) arranged on the return spring (404b), and a support plate (404d) arranged on the guide block (404c).

8. The coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining as claimed in claim 7, characterized in that: The linkage assembly (405) comprises a connecting member (405a) disposed below the support plate (404d), a first connecting rod (405b) disposed on the connecting member (405a), a second connecting rod (405c) disposed on the first connecting rod (405b), and a third connecting rod (405d) disposed on the second connecting rod (405c); The second connecting rod (405c) is provided with a rotating shaft (405e), the rotating shaft (405e) is connected to a first fixed block (405f), and a fixed plate (405g) is connected below the first fixed block (405f).

9. The coal particle separation device for cleaning wastewater from heavy-duty dump trucks for mining as claimed in claim 8, characterized in that: The rotating assembly (406) includes a connecting shaft (406a) arranged on a third connecting rod (405d), a rotating disk (406b) arranged on the connecting shaft (406a), a connecting rod (406c) arranged on the rotating disk (406b), and a second fixed block (406d) arranged on the connecting rod (406c).

10. The coal particle separation device for cleaning wastewater of a heavy-duty dump truck for mining as claimed in claim 9, characterized in that: The gear assembly (407) includes a first gear (407a) disposed on a connecting rod (406c), a second belt (407b) disposed on the first gear (407a), and a second gear (407c) disposed on the second belt (407b).

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