Intelligent frozen coal and residual coal cleaning device of car dumper

Abstract

The utility model discloses an intelligent frozen coal and residual coal cleaning device of a car dumper, which comprises a mechanical system, a driving system, a sensing system, a control system and a residual coal transfer system, and relates to the technical field of intelligent frozen coal and residual coal cleaning of the car dumper. According to the research on the carriage structure and the frozen coal generation mechanism, the frozen coal is subjected to multi-layer rolling and crushing by referring to the working principle of mining machinery, the impact and damage of freezing-breaking accessories to the bottom of a carriage are avoided, and the frozen residual coal is collected to a negative-pressure suction port under the action of a spiral cleaning brush; the negative-pressure suction conveying design is of a modular structure, and the frozen coal and residual coal collecting and dumping assembly is arranged in the middle of the bottom single-shaft double-helix cleaning assembly and moves synchronously with the frozen coal and residual coal cleaning device. Gas powder filtering dry and wet channels are designed in the negative pressure area according to different working conditions of frozen coal and residual coal, working modes are switched, and dust-free emission is achieved through multi-stage filtering.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent cleaning of frozen coal and residual coal of a car dumper, in particular to an intelligent cleaning device for frozen coal and residual coal of a car dumper. Background Art

[0002] Coal transport by train is the primary mode of transportation for thermal power plants. For most thermal power plants north of the Qinling Mountains and Huaihe River, the railway lines are located in northern China, where winter outdoor temperatures can reach between -10°C and 30°C. Coal inevitably freezes during long-distance transportation, forming clumps of frozen coal that become attached to the railroad cars. Even after unloading, large amounts of frozen coal remain inside the cars, requiring manual removal using simple tools like picks and impact drills. This labor-intensive process can easily lead to personal injury and damage to the railroad cars, posing a safety hazard and severely impacting unloading efficiency.

[0003] Some domestic units have also added simple steam thawing devices or infrared thawing devices in front of the unloading machine to alleviate the frozen coal situation. However, due to the railway department's safety requirements for the facilities at the bottom of the carriage, the heating temperature and location are restricted, resulting in many problems such as long carriage thawing time, poor thawing effect, and high energy consumption.

[0004] During other seasons, due to the 165-degree dumping angle, the presence of a hold-down beam, and the presence of sticking materials on the wagons, residual coal can remain inside the wagons after dumping. Normally, this amount ranges from 50kg to 200kg, but can reach several tons in the case of wet, sticky coal. This not only results in coal loss but also creates a problem of train jamming, as it does not meet the requirements of the railway transportation system. Currently, the removal of residual coal from wagons is done manually. Cleaners open the wagon doors, enter, and use shovels and brooms to sweep the remaining coal from the wagons. The coal is then swept out the side doors, where it is scattered along the tracks or into the coal unloading ditch. After exiting the wagons, the cleaners reseal the side doors and collect and transport the coal that has been swept away. This results in incomplete cleaning, low efficiency, high costs, high labor intensity, a poor working environment, and safety hazards. In light of these issues, in-depth research has led to the present case. Utility Model Content

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a device for intelligently cleaning frozen coal and residual coal of a dumper, including a mechanical system, a drive system, a sensing system, a control system and a residual coal transfer system;

[0006] The mechanical system includes: an intelligent walking mechanism, a lifting mechanism, a cleaning mechanism and a material suction mechanism;

[0007] The surplus coal transfer system includes: transfer and unloading equipment.

[0008] The intelligent walking mechanism includes a track frame, two sides of the track frame are provided with limit structures, and the upper end of the track frame is provided with a walking structure;

[0009] The walking structure includes: a gantry, four track wheels, four drive assemblies and a wheel lifting assembly;

[0010] The gantry is located at the upper end of the track frame, the four track wheels are respectively embedded in the four corners of the lower end of the gantry through shafts, and are respectively located on both sides of the upper end of the track frame, the four drive assemblies are respectively installed at the four corners of the gantry, and are respectively connected to the four track wheel axles, and the wheel jacking assemblies are installed at the lower ends on both sides of the gantry.

[0011] The four driving components all include: a variable frequency motor and a reducer;

[0012] The variable frequency motor is installed on one side of the gantry, one end of the reducer is connected to the drive end of the variable frequency motor, and the other end is connected to the track wheel axle body;

[0013] The wheel lifting assembly includes: four mounting frames and four hydraulic push rods;

[0014] The four mounting frames are respectively installed at the lower ends of both sides of the door frame, and the four hydraulic push rods are respectively installed in the four mounting frames.

[0015] The limit structure includes: two first fixing plates, a plurality of guide rods, two mounting plates, two springs and two limit switches;

[0016] The two first fixed plates are respectively installed at the centers of both sides of the track frame, one ends of several guide rods are movably embedded in the two first fixed plates, two mounting plates are respectively installed on one side of several guide rods, two ends of the two springs are respectively connected to the two first fixed plates and the two mounting plates, and two limit switches are respectively installed on the other side of the two mounting plates; the reducer is a hardened tooth surface reducer.

[0017] Preferably, the lifting mechanism comprises: a walking frame, a lifting frame is provided on the upper end of the walking frame, and a lifting structure is provided on the upper end of the lifting frame;

[0018] The lifting structure includes: two winches, four slides, a lifting frame, an anti-fall component, four tension sensors and a guide component;

[0019] The two hoists are respectively fixedly mounted on both sides of the upper end of the traveling frame, the four slides are respectively mounted on the inner wall surfaces on both sides of the lifting frame, the lifting frame is movably embedded in the four slides, the anti-falling assembly is mounted on both sides of the upper end of the traveling frame and movably embedded in both sides of the lifting frame, the four tension sensors are respectively fixedly mounted on both sides of the lifting frame, and the guide assembly is mounted on the lifting frame and both sides of the lifting frame;

[0020] The anti-fall assembly includes: two second fixing plates and two electric push rods;

[0021] The two second fixing plates are respectively installed on both sides of the upper end of the walking frame, the two electric push rods are respectively installed in the two second fixing plates, and the telescopic ends are respectively movably embedded in both sides of the lifting frame;

[0022] The guide assembly includes: two fixed pulleys and two movable pulleys;

[0023] The two fixed pulleys are respectively installed on both sides of the upper end of the lifting frame, and the two movable pulleys are respectively installed on both sides of the lifting frame;

[0024] Two traction ropes are wound around the upper ends of the winch on both sides. The two traction ropes are wound around two fixed pulleys and two movable pulleys in sequence and are connected to two tension sensors. The chute is a "U"-shaped chute.

[0025] Preferably, the cleaning mechanism comprises: a frame, a pair of suction pipes, a side brush transverse movement suction nozzle swing structure and a cleaning bottom brush structure, the side brush transverse movement suction nozzle swing structure and the cleaning bottom brush structure are installed on the frame, and the pair of suction pipes are connected to the side brush transverse movement suction nozzle swing structure;

[0026] The side brush transverse movement suction nozzle swing structure includes: a pair of side wall brackets, two pairs of relatively telescopic screw modules, two pairs of concave horizontal movement brackets, two pairs of side roller brushes, two pairs of vertical roller brushes, two pairs of disc cleaning brushes, two pairs of side wall drive shafts, two pairs of side wall drive motors and a suction pipe drainage component;

[0027] A pair of side wall brackets are respectively mounted relatively parallel to both sides of the frame, two pairs of relatively telescopic screw modules are respectively mounted relatively parallel to a pair of side wall brackets, two pairs of concave horizontal movable brackets are respectively mounted on the two pairs of relatively telescopic screw modules, two pairs of side wall drive shafts are respectively inserted into the two pairs of concave horizontal movable brackets, two pairs of side roller brushes, two pairs of telescopic vertical roller brushes and two pairs of disc cleaning brushes are sequentially mounted on the two pairs of side wall drive shafts from top to bottom, two pairs of side wall drive machines are respectively mounted on the two pairs of side wall drive shafts, and the suction pipe drainage assembly is mounted on the two pairs of side wall drive shafts;

[0028] The straw drainage assembly comprises: a pair of concave horizontal movable plates, two pairs of fitted rotating shafts and a pair of fitted rings;

[0029] A pair of concave horizontal movable plates are respectively installed on the two pairs of side wall drive shafts, and a horizontal adsorption groove is respectively opened on the pair of concave horizontal movable plates. A pair of sleeve rings are respectively movably inserted into the inner side of the pair of horizontal adsorption grooves through a pair of sleeve rotating shafts, and the pair of sleeve rings are respectively movably sleeved on a pair of suction pipes;

[0030] The cleaning bottom brush structure includes: a pair of crushing bottom roller brushes, a pair of cleaning bottom roller brushes and two pairs of bottom end driving machines;

[0031] A pair of the crushing bottom roller brushes and a pair of the cleaning bottom roller brushes are supported and inserted on the frame, and the driving ends of the two pairs of bottom end driving machines are respectively connected to the pair of the crushing bottom roller brushes and the pair of the cleaning bottom roller brushes; the cleaning bottom roller brush adopts a single-axis double-helix steel wire nylon brush; the crushing bottom roller brush adopts Mn13Cr2; the pair of the crushing bottom roller brushes and the pair of the cleaning bottom roller brushes are "human" shaped brushes.

[0032] Preferably, the material suction mechanism comprises an external conical box, a feed pipe is inserted into the side wall of the external conical box, a screw conveyor is installed at the lower end of the external conical box, and a filtering structure is installed on the external conical box;

[0033] The filtering structure includes a conical secondary filter bucket, the conical secondary filter bucket is mounted on the inner wall of the external conical box and is located above the feed pipe, the lower end of the conical secondary filter bucket is hingedly connected to a filter screen plate, the outer wall of the conical secondary filter bucket is hingedly connected to a first cylinder, the telescopic end of the first cylinder is hingedly connected to the wall surface of the filter screen plate, a three-stage filter screen is mounted on the inner top surface of the external conical box, a separation cover is mounted on the inner top surface of the external conical box, the separation cover is coaxially mounted with the three-stage filter screen, and the three-stage filter screen is located inside the separation cover, an electromagnetic valve is mounted on the lower wall of the separation cover, a dry exhaust pipe is inserted on the upper wall of the external conical box and located at the center of the three-stage filter screen, a wet exhaust pipe is inserted on the upper wall of the external conical box and located outside the separation cover, a negative pressure power assembly is installed at one end of the dry exhaust pipe and the wet exhaust pipe, a material shaking assembly is mounted on the inner wall of the external conical box and located below the feed pipe, and a backflush assembly is mounted on the external conical box;

[0034] The material shaking assembly includes a conical hopper, which is mounted on the inner wall of the external conical box and located below the feed pipe. A second cylinder is mounted on the inner wall of the external conical box, and the telescopic end of the second cylinder is aligned with the outer wall of the conical hopper.

[0035] The negative pressure power assembly includes a connecting airway, the connecting airway is installed at one end of the exhaust pipe and the wet exhaust pipe, a negative pressure air pump is installed at one end of the connecting airway, and an outlet pipe is installed on the negative pressure air pump;

[0036] A muffler is installed at one end of the air outlet pipe; a hammer is installed at the telescopic end of the second cylinder; the inner diameter of the lower end of the conical hopper is smaller than the inner diameter of the lower end of the external conical box;

[0037] The back-blowing assembly includes a back-blowing pipe, which is inserted into the upper wall of the external conical box and is located between the dry exhaust pipe and the three-stage filter. A check valve is installed at one end of the back-blowing pipe, and a back-blowing blower is installed at one end of the check valve.

[0038] Preferably, the transfer and unloading equipment includes: a base frame, a transfer belt conveyor is installed on the top of the base frame, a discharge port is provided on one side of the top of the transfer belt conveyor, a dust removal bin is installed on the lower side of the top of the discharge port, and arc frames are provided on both sides of the bottom of the dust removal bin, and the interior of the arc frame is set to be hollow;

[0039] A connecting plate is installed on the upper side of the arc frame, and the upper side of the connecting plate is connected to one side of the dust removal bin by screws. The top of the arc frame is connected to a conveying pipe, and a filter assembly is installed inside the dust removal bin. The upper side of the conveying pipe passes through the bottom wall of the dust removal bin and the filter assembly. An exhaust port is installed on the upper side of the conveying pipe, and an exhaust fan is connected to the bottom of the dust removal bin;

[0040] A conveying device is provided on one side of the base frame, and a support frame is evenly installed on the top of the base frame. The upper side of the support frame is in close contact with the bottom of the transfer belt conveyor, and the top of the transfer belt conveyor is connected to a transfer bucket;

[0041] The filter assembly includes a fixed block, sealing blocks are provided on both sides of the fixed block, the upper side of the delivery pipe passes through the sealing blocks, a slot is provided in the middle part of the fixed block, and a filter plate is inserted into the slot;

[0042] Air inlets are evenly arranged on the inner side of the arc-shaped frame; an opening is provided on the side of the base frame close to the conveying device, and the longitudinal width of the opening is greater than the width of the transfer bucket; the shape of the support frame matches the shape of the bottom of the transfer bucket; a switch door corresponding to the filter plate is provided at the front end of the dust removal bin.

[0043] Beneficial effects

[0044] The utility model provides an intelligent cleaning device for frozen coal and residual coal of a dumper, which has the following beneficial effects: 1. The design of the frozen coal under the car adopts a single-axis bidirectional spiral blade alloy pick assembly. Based on the research of the car body structure and the frozen coal generation mechanism, and drawing on the working principle of mining machinery, the frozen coal is crushed in multiple layers to avoid the impact and damage of the defrost attachment on the bottom of the car body. The residual coal after defrost is collected at the negative pressure suction port under the action of the spiral cleaning brush;

[0045] 2. The negative pressure suction and delivery design adopts a modular structure. The frozen coal and residual coal collection and dumping assembly is arranged in the middle of the single-axis double-helix cleaning assembly at the bottom, and moves synchronously with the frozen coal and residual coal cleaning device. The gas-powder filtration dry and wet channels are designed in the negative pressure area according to the different working conditions of the frozen coal and residual coal, and the working mode is switched to achieve dust-free emission through multi-stage filtration.

[0046] 3. The suction and delivery pipe is made of flexible rubber wear-resistant pipe made by special process. The cleaning suction pipe and the main unit of the suction system adopt a separate structure and automatic docking mode, which reduces the length of the pipeline, reduces the pressure loss, improves the system efficiency and improves the suction effect.

[0047] 4. The cleaning device and the main gantry frame utilize slide-type supports to ensure that the cleaning device can withstand the resistance of the cleaning and crushing of incoming cars and materials without tipping over. The track has sufficient floating clearance on the Y-axis to accommodate misalignment of the cars. The wire rope is flexibly connected to control the contact pressure between the cleaning brush and the car, ensuring cleaning and crushing force without damaging the car floor. Lateral guide wheels are installed on the sides of the cleaning device, and universal wheels are installed on the bottom of the car to prevent scratches on the car body, enabling flexible control of the frozen coal and residual coal cleaning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 This is a schematic diagram of the overall structure of the intelligent cleaning device for frozen coal and residual coal of a dumper according to the utility model.

[0049] Figure 2 This is a three-dimensional structural schematic diagram of the intelligent walking mechanism of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0050] Figure 3 This is a schematic diagram of the main structure of the intelligent walking mechanism of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0051] Figure 4 This is a three-dimensional structural diagram of the lifting mechanism of the intelligent cleaning device for frozen coal and residual coal of the tipper described in the utility model.

[0052] Figure 5 This is a schematic diagram of the main structure of the lifting mechanism of the intelligent cleaning device for frozen coal and residual coal of the tipper described in the utility model.

[0053] Figure 6 This is a schematic diagram of the main cross-sectional structure of the cleaning mechanism of the intelligent cleaning device for frozen coal and residual coal of a dumper according to the utility model.

[0054] Figure 7 This is a three-dimensional structural schematic diagram of the cleaning mechanism of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0055] Figure 8 This is a schematic diagram of the crushing bottom roller brush structure of the cleaning mechanism of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0056] Figure 9 This is a schematic diagram of the main cross-sectional structure of the suction mechanism of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0057] Figure 10 This is a partial upward sectional structural diagram of the suction mechanism of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0058] Figure 11 This is a partially enlarged structural schematic diagram of the suction mechanism of the intelligent cleaning device for frozen coal and residual coal on a dumper according to the utility model.

[0059] Figure 12 This is a schematic diagram of the main structure of the transfer and unloading equipment of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0060] Figure 13 This is a partial front view sectional structural diagram of the transfer and unloading equipment of the intelligent cleaning device for frozen coal and residual coal of the tipper described in the utility model.

[0061] Figure 14 This is a side structural schematic diagram of the transfer and unloading equipment of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0062] Figure 15 This is a partial upward structural schematic diagram of the transfer and unloading equipment of the intelligent cleaning device for frozen coal and residual coal on a dumper described in the utility model.

[0063] Figure 16 This is a schematic diagram of the overhead structure of the transfer and unloading equipment chassis of the intelligent cleaning device for frozen coal and residual coal on the dumper described in the utility model.

[0064] Figure 17 This is a three-dimensional structural diagram of the fixed block of the transfer and unloading equipment of the intelligent cleaning device for frozen coal and residual coal of the dumper described in the utility model.

[0065] In the figure: a, intelligent walking mechanism, a1, track frame, a2, gantry, a3, track wheel, a4, frequency conversion motor, a5, reducer, a6, mounting frame, a7, hydraulic push rod, a8, first fixed plate, a9, guide rod, a10, mounting plate, a11, spring, a12, limit switch, b, lifting mechanism, b1, walking frame, b2, winch, b3, slide, b4, lifting frame, b5, tension sensor, b6, second fixed plate, b7, electric push rod , b8, fixed pulley, b9, movable pulley, b10, traction rope, b11, lifting frame, c, cleaning mechanism, c1, frame, c2, suction pipe, c3, side wall bracket, c4, relative telescopic screw module, c5, concave horizontal movable bracket, c6, side roller brush, c7, vertical roller brush, c8, disc cleaning brush, c9, side wall drive shaft, c10, side wall drive machine, c11, concave horizontal movable plate, c12, set rotating shaft, c13, set ring, c14, broken Crushing bottom roller brush, c15, a pair of cleaning bottom roller brushes, d, suction mechanism, d1, external conical box, d2, feed pipe, d3, screw conveyor, d4, conical secondary filter hopper, d5, filter screen, d6, first cylinder, d7, third-stage filter, d8, separation cover, d9, solenoid valve, d10, dry exhaust pipe, d11, wet exhaust pipe, d12, conical receiving hopper, d13, second cylinder, d14, connecting air duct, d15, negative pressure air pump, d16, muffler, d17, hammer head, d18, backblowing pipe, d19, check valve, d20, backblowing blower, e, transfer and unloading equipment, e1, base frame, e2, transfer belt conveyor, e3, discharge port, e4, dust removal bin, e5, curved frame, e6, connecting plate, e7, conveying pipe, e8, exhaust fan, e9, grille unloading hopper, e10, support frame, e11, transfer hopper, e12, fixing block, e13, sealing block, e14, filter plate, e15, air inlet, e16, switch door. DETAILED DESCRIPTION

[0066] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0067] Example

[0068] See also Figure 1-3 , the dumper frozen coal and residual coal intelligent cleaning device, including mechanical system, drive system, sensing system, control system and residual coal transfer system;

[0069] The mechanical system includes: intelligent walking mechanism a, lifting mechanism b, cleaning mechanism c and suction mechanism d;

[0070] The surplus coal transfer system includes: transfer and unloading equipment e.

[0071] The intelligent walking mechanism a includes a track frame a1, with limit structures on both sides of the track frame a1 and a walking structure on the upper end of the track frame a1;

[0072] The walking structure includes: a gantry a2, four track wheels a3, four drive assemblies and a wheel lifting assembly;

[0073] The gantry a2 is located at the upper end of the track frame a1, and the four track wheels a3 are respectively embedded in the four corners of the lower end of the gantry a2 through the shaft, and are respectively located on both sides of the upper end of the track frame a1. The four drive components are respectively installed at the four corners of the gantry a2, and are respectively connected to the four track wheel a3 shafts. The wheel jacking components are installed at the lower ends on both sides of the gantry a2.

[0074] The four drive components all include: variable frequency motor a4 and reducer a5;

[0075] Frequency conversion motor a4 is mounted on one side of the gantry a2, one end of the reducer a5 is connected to the drive end of the frequency conversion motor a4, and the other end is connected to the shaft of the track wheel a3;

[0076] The wheel lifting assembly includes: four mounting frames a6 and four hydraulic push rods a7;

[0077] Four mounting brackets a6 are respectively installed at the lower ends of both sides of the door frame a2, and four hydraulic push rods a7 are respectively installed in the four mounting brackets a6.

[0078] The limit structure includes: two first fixing plates a8, several guide rods a9, two mounting plates a10, two springs a11 and two limit switches a12;

[0079] Two first fixing plates a8 are respectively installed at the centers of both sides of the track frame a1. One end of a plurality of guide rods a9 is movably embedded in the two first fixing plates a8. Two mounting plates a10 are respectively installed on one side of the plurality of guide rods a9. The ends of two springs a11 are respectively connected to the two first fixing plates a8 and the two mounting plates a10. Two limit switches a12 are respectively installed on the other side of the two mounting plates a10. The reducer a5 is a hardened tooth surface reducer a5.

[0080] The lifting mechanism b includes: a traveling frame b1, a lifting frame b11 is provided on the upper end of the traveling frame b1, and a lifting structure is provided on the upper end of the lifting frame b11;

[0081] The lifting structure includes: two winches b2, four slides b3, a lifting frame b4, an anti-fall component, four tension sensors b5 and a guide component;

[0082] Two winches b2 are fixedly mounted on both sides of the upper end of the traveling frame b1. Four chute b3 are installed on the inner wall of the lifting frame b11. The lifting frame b4 is movably embedded in the four chute b3. The anti-fall assembly is installed on both sides of the upper end of the traveling frame b1 and is movably embedded in both sides of the lifting frame b4. Four tension sensors b5 are fixedly mounted on both sides of the lifting frame b11. The guide assembly is installed on both sides of the lifting frame b11 and the lifting frame b4.

[0083] The anti-fall assembly includes: two second fixing plates b6 and two electric push rods b7;

[0084] Two second fixing plates b6 are respectively installed on both sides of the upper end of the walking frame b1, and two electric push rods b7 are respectively installed in the two second fixing plates b6, and the telescopic ends are movably embedded in both sides of the lifting frame b4;

[0085] The guide assembly includes: two fixed pulleys b8 and two movable pulleys b9;

[0086] Two fixed pulleys b8 are installed on both sides of the upper end of the lifting frame b11, and two movable pulleys b9 are installed on both sides of the lifting frame b4;

[0087] Two traction ropes b10 are wound around the upper ends of the winch b2. The two traction ropes b10 are wound around two fixed pulleys b8 and two movable pulleys b9 in sequence and are connected to two tension sensors b5. The chute b3 is a "U"-shaped chute b3.

[0088] The cleaning mechanism c includes: a frame c1, a pair of suction pipes c2, a side brush transverse movement suction nozzle swing structure and a cleaning bottom brush structure. The side brush transverse movement suction nozzle swing structure and the cleaning bottom brush structure are installed on the frame c1. The pair of suction pipes are connected to the side brush transverse movement suction nozzle swing structure.

[0089] The side brush transverse movement suction nozzle swing structure includes: a pair of side wall brackets c3, two pairs of relatively telescopic screw modules c4, two pairs of concave horizontal movement brackets c5, two pairs of side roller brushes c6, two pairs of opposite roller brushes c7, two pairs of disc cleaning brushes c8, two pairs of side wall drive shafts c9, two pairs of side wall drive motors c10 and a suction pipe drainage component;

[0090] A pair of side wall brackets c3 are respectively mounted relatively parallel to each other on both sides of the frame c1; two pairs of relatively telescopic screw modules c4 are respectively mounted relatively parallel to each other on the pair of side wall brackets c3; two pairs of concave horizontal movable brackets c5 are respectively mounted on the two pairs of relatively telescopic screw modules c4; two pairs of side wall drive shafts c9 are respectively inserted into the two pairs of concave horizontal movable brackets c5; two pairs of side roller brushes c6, two pairs of telescopic vertical roller brushes c7, and two pairs of disc cleaning brushes c8 are sequentially mounted on the two pairs of side wall drive shafts c9 from top to bottom; two pairs of side wall drive motors c10 are respectively mounted on the two pairs of side wall drive shafts c9; and suction pipe drainage assemblies are mounted on the two pairs of side wall drive shafts c9;

[0091] The straw drainage assembly includes: a pair of concave horizontal movable plates c11, two pairs of set rotating shafts c12 and a pair of set rings c13;

[0092] A pair of concave horizontal movable plates c11 are respectively mounted on the two pairs of side wall drive shafts c9. Horizontal adsorption grooves are respectively formed on the pair of concave horizontal movable plates c11. A pair of sleeve rings c13 are respectively movably inserted into the inner sides of the pair of horizontal adsorption grooves via a pair of sleeve rotating shafts c12. The pair of sleeve rings c13 are respectively movably sleeved on the pair of suction pipes c2.

[0093] The cleaning bottom brush structure includes: a pair of crushing bottom roller brushes c14, a pair of cleaning bottom roller brushes c15 and two pairs of bottom end driving machines;

[0094] A pair of crushing bottom roller brushes C14 and a pair of cleaning bottom roller brushes C15 are mounted on the frame C1 through supports. The driving ends of the two pairs of bottom end drivers are connected to the pair of crushing bottom roller brushes C14 and the pair of cleaning bottom roller brushes C15 respectively. The cleaning bottom roller brushes are made of single-axis double-helix steel wire nylon brushes; the crushing bottom roller brushes C14 are made of Mn13Cr2. The pair of crushing bottom roller brushes C14 and the pair of cleaning bottom roller brushes C15 are in the shape of a "human";

[0095] The material suction mechanism d includes an external conical box d1, a feed pipe d2 is inserted into the side wall of the external conical box d1, a screw conveyor d3 is installed at the lower end of the external conical box d1, and a filtering structure is installed on the external conical box d1;

[0096] The filtering structure includes a conical secondary filter hopper d4, which is installed on the inner wall of the external conical box d1 and is located above the feed pipe d2. The lower end of the conical secondary filter hopper d4 is hinged with a filter screen plate d5, and the outer wall of the conical secondary filter hopper d4 is hinged with a first cylinder d6. The telescopic end of the first cylinder d6 is hinged on the upper wall of the filter screen plate d5. A third-stage filter screen d7 is installed on the inner top surface of the external conical box d1. A separation cover d8 is installed on the inner top surface of the external conical box d1. The separation cover d8 is coaxially arranged with the third-stage filter screen d7. The three-stage filter d7 is installed inside the separation cover d8, and the solenoid valve d9 is installed on the lower wall of the separation cover d8. A dry exhaust pipe d10 is inserted on the upper wall of the external conical box d1 and located in the center of the three-stage filter d7. A wet exhaust pipe d11 is inserted on the upper wall of the external conical box d1 and located outside the separation cover d8. A negative pressure power component is installed at one end of the dry exhaust pipe d10 and the wet exhaust pipe d11. A material shaking component is installed on the inner wall of the external conical box d1 and located below the feed pipe d2. A backflush component is installed on the external conical box d1.

[0097] The material shaking assembly includes a conical receiving hopper d12, which is installed on the inner wall of the external conical box d1 and is located below the feed pipe d2. A second cylinder d13 is installed on the inner wall of the external conical box d1, and the telescopic end of the second cylinder d13 is aligned with the outer wall of the conical receiving hopper d12.

[0098] The negative pressure power assembly includes a connecting airway d14, which is installed at one end of the exhaust pipe and the wet exhaust pipe d11. A negative pressure air pump d15 is installed at one end of the connecting airway d14, and an outlet pipe is installed on the negative pressure air pump d15.

[0099] A muffler d16 is installed at one end of the outlet pipe; a hammer d17 is installed at the telescopic end of the second cylinder d13; the inner diameter of the lower end of the conical hopper d12 is smaller than the inner diameter of the lower end of the external conical box d1;

[0100] The backflush assembly includes a backflush pipe d18, which is inserted into the upper wall of the external conical box d1 and is located between the dry exhaust pipe d10 and the three-stage filter d7. A check valve d19 is installed at one end of the backflush pipe d18, and a backflush blower d20 is installed at one end of the check valve d19.

[0101] The transfer and unloading equipment e includes: a base frame e1, a transfer belt conveyor e2 is installed on the top of the base frame e1, a discharge port e3 is provided on one side of the top of the transfer belt conveyor e2, a dust removal bin e4 is installed on the lower side of the top of the discharge port e3, and curved frames e5 are provided on both sides of the bottom of the dust removal bin e4, and the interior of the curved frame e5 is set to be hollow;

[0102] A connecting plate e6 is installed on the upper side of the curved frame e5. The upper side of the connecting plate e6 is connected to one side of the dust removal bin e4 via screws. A conveying pipe e7 is connected to the top of the curved frame e5. A filter assembly is installed inside the dust removal bin e4. The upper side of the conveying pipe e7 passes through the bottom wall of the dust removal bin e4 and the filter assembly. An exhaust port is installed on the upper side of the conveying pipe e7. An exhaust fan e8 is connected to the bottom of the dust removal bin e4.

[0103] A conveying device is provided on one side of the base frame e1. Support frames e10 are evenly installed on the top of the base frame e1. The upper side of the support frames e10 is in close contact with the bottom of the transfer belt conveyor e2. A transfer bucket e11 is connected to the top of the transfer belt conveyor e2.

[0104] The filter assembly includes a fixed block e12, with sealing blocks e13 on both sides of the fixed block e12. The upper side of the delivery pipe e7 passes through the sealing block e13. The middle part of the fixed block e12 is provided with a slot, and the filter plate e14 is inserted into the slot.

[0105] Air inlets e15 are evenly distributed on the inner side of the curved frame e5. An opening is provided on the side of the base frame e1 close to the conveying device, and the longitudinal width of the opening is greater than the width of the transfer bucket e11. The shape of the support frame e10 matches the bottom shape of the transfer bucket e11. A switch door e16 corresponding to the filter plate e14 is provided at the front end of the dust removal bin e4.

[0106] In the intelligent walking mechanism a, when in use, the device is placed on the upper end of the track frame a1, and the four track wheels a3 at the lower end of the gantry a2 cooperate with the track frame a1 to provide movably supported devices. Subsequently, the device is connected to the drive system, and the track wheels a3 are driven by the drive assembly to work, thereby changing the position of the gantry a2 at the upper end of the track frame a1. The residual coal in the carriage is cleaned by cooperating with the lifting system, the cleaning device, etc. at the upper end of the gantry a2; the driving operation of the track wheels a3 can be realized by cooperating with the set frequency conversion motor a4 and the reducer a5. The frequency conversion motor a4 has the function of holding during the period when the trolley is stopped. The gate locking function can effectively prevent the equipment from moving. When maintaining the track wheel a3, the track wheel a3 can be separated from the track frame a1 through the hydraulic push rod a7 in the mounting frame a6, and the track wheel a3 can be lifted up to facilitate maintenance of the track wheel a3. During the movement of the door frame a2, when one end of the door frame a2 contacts the limit switch a12 on one side of the mounting plate a10, the device is switched on and off to ensure that the entire cleaning process of the cleaning equipment is within a controllable range. The guide rod a9 cooperates with the spring a11 to provide a small buffer to the limit switch a12 to prevent the limit switch a12 from being damaged by excessive force.

[0107] In the lifting mechanism b, the two hoists b2 are set to work, driving the traction rope b10 to move on the upper end of the guide assembly, so that the lifting frame b4 can be adjusted in height within the four slide slots b3. During the traction movement, the four tension sensors b5 are set to ensure that the two hoists b2 are subjected to balanced and synchronous forces. In the non-working state, the force on the wire ropes can be released to reduce wire rope fatigue. In the non-working state, the electric push rod b7 in the second fixed plate b6 is driven, and one end of the electric push rod b7 is embedded in the lifting frame b4. On the inner side, the lifting frame b4 is fixed and limited to relieve the stress on the wire rope and reduce wire rope fatigue. During the operation of the two winches b2, the traction rope b10 moves above the two fixed pulleys b8 and the two movable pulleys b9, allowing the two movable pulleys b9 to adjust their height and change the overall position of the lifting frame b4. Two traction ropes b10 are wrapped around the two fixed pulleys b8 and the two movable pulleys b9 on both sides of the upper end of the winch b2. The two traction ropes b10 are sequentially wrapped around the two fixed pulleys b8 and the two movable pulleys b9 and connected to the two tension sensors b5.

[0108] In the cleaning mechanism C, it should be noted that the lifting device drives the frame C1 thereon to be stably lifted and lowered, and the pair of side wall brackets C3 on the frame C1 respectively drive the two pairs of relatively telescopic screw modules C4 thereon, and the two pairs of relatively telescopic screw modules C4 relative to each other, respectively drive the relative extension and contraction of the two pairs of concave horizontal movable brackets C5 thereon, and the two pairs of concave horizontal movable brackets C5 respectively drive the side wall driving shafts C9 thereon, and the side wall driving machine C10 runs, driving the side wall driving shafts C9 on the driving end of the side wall driving machine C10 to rotate, and the side wall driving shafts C9 drive the two pairs of side wall brushes, two pairs of opposite roller brushes C7 and two pairs of disc cleaning brushes C8 thereon to rotate, so as to crush and clean the frozen coal and residual coal around the inner wall and bottom of the car, and collect them uniformly in the middle part of the frame C1; a suction pipe drainage component is designed in the middle of the frame C1 to move left and right to absorb and collect, and the side roller brushes C6 And the vertical roller brush c7 is divided into two parts, front and rear, and is arranged symmetrically, which can realize two-way cleaning, can ensure the cleaning of both end surfaces of the carriage, and can realize reversing cleaning without rotating action, which has higher cleaning efficiency; it should be noted that, in the above, the two pairs of side wall driving shafts c9 respectively drive the pair of concave horizontal movable plates c11 thereon to move, and the moving concave horizontal movable plates c11 drive the two pairs of set rotating shafts c12 and the set circular rings c13 thereon, and the pair of set circular rings c13 respectively drive the suction pipes c2 thereon to retract and retract relative to each other, thereby driving the change of the position of the suction pipes c2, thereby driving the adsorption of coal; it should be noted that, in the above, the two pairs of bottom end driving motors are operated to respectively drive the pair of crushing bottom roller brushes c14 and the pair of cleaning bottom roller brushes c15 thereon, and the bottom end of the carriage is rotated and drained by the pair of crushing bottom roller brushes c14 and the pair of cleaning bottom roller brushes c15;

[0109] In the suction mechanism d, it should be noted that the feed pipe d2 is aligned with the car wall. After the frozen coal and residual coal intelligent cleaning device of the tipping machine scrapes the residual coal from the car wall, the negative pressure power component works, and under the connection of the dry exhaust pipe d10 and the wet exhaust pipe d11, a negative pressure is formed in the external conical box d1. The air and the residual coal in the car enter the external conical box d1 from the feed pipe d2 to perform the first-level gas-solid separation. The heavier residual coal falls onto the shaking assembly and then enters the screw conveyor d3 from the lower end of the external conical box d1. The lighter residual coal rises with the air and passes through the conical secondary filter hopper d4 and the filter screen d5 to realize the second-level gas-solid separation. If the residual coal is dry coal, the solenoid valve d9 is opened, and the fine residual coal and air enter the interior of the separation cover d8 and are filtered by the third-level filter screen d7 to realize the third-level gas-solid separation. The air is then discharged from the dry exhaust pipe d10. If the residual coal is wet coal, due to the heavy weight of the wet coal, it passes through the first and second gas-solid separation The air can be separated cleanly, so the solenoid valve d9 can be closed, and the air filtered by the conical secondary filter hopper d4 and the filter plate d5 is directly discharged from the wet exhaust pipe d11; it should be noted that the remaining coal falls into the conical receiving hopper d12, and the second cylinder d13 reciprocates and stretches, knocking on the conical receiving hopper d12, causing the conical receiving hopper d12 to vibrate, assisting in unloading and preventing blockage; it should be noted that the negative pressure air pump d15 works, causing the connecting airway d14 to generate Negative pressure is formed in the external conical box d1 due to the connection between the dry exhaust pipe d10 and the wet exhaust pipe d11. It should be noted that when the residual coal is collected, the first cylinder d6 extends, causing the filter plate d5 to flip, and the residual coal in the conical secondary filter hopper d4 falls out. At the same time, the back-blowing air d20 works, and the air passes through the check valve d19 and enters the back-blowing pipe d18, and then blows to the tertiary filter d7, the conical secondary filter hopper d4 and the filter plate d5 to achieve cleaning.

[0110] In the transfer and unloading equipment e, when the residual coal enters the transfer bucket e11 through the discharge port e3, the exhaust fan e8 is running, and the fixed block e12 cooperates with the sealing block e13 to divide the dust removal bin e4 into two parts, the upper and lower parts. When the exhaust fan e8 is running, the internal pressure of the dust removal bin e4 can be negatively pressurized, and then the air containing dust can be extracted through the conveying pipe e7, the arc frame e5 and the plurality of air inlets e15. After the air enters the dust removal bin e4, it can be filtered by the filter plate e14, and the dust is attached to the top of the filter plate e14, thereby achieving the dust removal effect. After running for a period of time, the operator can open the switch door e16 and close the filter plate e1 4 is pulled out from the inside of the card slot to facilitate cleaning of the filter plate e14; after the residual coal falls into the transfer bucket e11 through the discharge port e3, the transfer belt conveyor e2 runs, which can drive the transfer bucket e11 to move, and after the transfer bucket e11 moves to the end of the transfer belt conveyor e2, the transfer bucket e11 will follow the operation of the transfer belt conveyor e2 and dump the residual coal into the grille discharge hopper e9 for subsequent processing. At the same time, an opening is provided on the side of the base frame e1 close to the grille discharge hopper e9 to facilitate the unloading of the residual coal. Support frames e10 are evenly installed on the top of the base frame e1, which can provide vertical support for the transfer bucket e11 when it moves, thereby maintaining the movement stability of the transfer bucket e11;

[0111] In this technical solution, the drive system mainly includes a travel drive module, a lifting system module, a suction system module, and a transfer system module. These drive modules provide the power source for the movement and braking actions of various mechanisms of the cleaning robot system, ensuring the accuracy, smooth operation, safety and reliability of the entire robot operation process. The drive system can adjust the cleaning rate at any time according to the amount of remaining coal to meet the requirements of the change in the remaining coal amount in each carriage; the drive system is electrically driven, and the control power supply is taken from the AC380V and AC220V circuit breakers in the power distribution cabinet in the dumper distribution room. The power supply is led to the power supply required by the local equipment, and a circuit breaker and reliable grounding protection are configured in the local control cabinet;

[0112] The control system of the dumper's frozen coal and residual coal intelligent automatic cleaning system mainly includes intelligent cleaning, environmental identification and safety protection control, and can complete the intelligent control of the entire process of frozen coal and residual coal cleaning, collection, storage, unloading and transportation;

[0113] The perception system mainly includes modules such as environmental recognition, motion perception, and safety perception. It can automatically identify and adapt to changes in the model and specifications of incoming coal carriages, complete intelligent monitoring of the entire process of frozen coal cleaning, and meet the monitoring function requirements of operations such as frozen coal cleaning, collection, suction, and transportation. It provides strong data information support for the control system's accurate judgment and intelligent control, and ultimately meets the information monitoring requirements of functions such as intelligent control and on-site control.

[0114] The above modules are all existing technologies and are not disclosed in detail in the technical solution.

[0115] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The intelligent cleaning device for frozen coal and residual coal of the dumper is characterized by: Including mechanical system, drive system, sensing system, control system and residual coal transfer system; The mechanical system includes: an intelligent walking mechanism, a lifting mechanism, a cleaning mechanism and a material suction mechanism; The surplus coal transfer system includes: transfer and unloading equipment; The intelligent walking mechanism includes a track frame, two sides of the track frame are provided with limit structures, and the upper end of the track frame is provided with a walking structure; The walking structure includes: a gantry, four track wheels, four drive assemblies and a wheel lifting assembly; The gantry is located at the upper end of the track frame, the four track wheels are respectively embedded in the four corners of the lower end of the gantry through shafts, and are respectively located on both sides of the upper end of the track frame, the four drive assemblies are respectively installed at the four corners of the gantry, and are respectively connected to the four track wheel shafts, and the wheel jacking assemblies are installed at the lower ends of both sides of the gantry; The four driving components all include: a variable frequency motor and a reducer; The variable frequency motor is installed on one side of the gantry, one end of the reducer is connected to the drive end of the variable frequency motor, and the other end is connected to the track wheel axle body; The wheel lifting assembly includes: four mounting frames and four hydraulic push rods; The four mounting brackets are respectively installed at the lower ends of both sides of the door frame, and the four hydraulic push rods are respectively installed in the four mounting brackets; The limit structure includes: two first fixing plates, a plurality of guide rods, two mounting plates, two springs and two limit switches; The two first fixed plates are respectively installed at the centers of both sides of the track frame, one ends of several guide rods are movably embedded in the two first fixed plates, two mounting plates are respectively installed on one side of several guide rods, two ends of the two springs are respectively connected to the two first fixed plates and the two mounting plates, and two limit switches are respectively installed on the other side of the two mounting plates; the reducer is a hardened tooth surface reducer.

2. The intelligent cleaning device for frozen coal and residual coal of a car dumper according to claim 1 is characterized in that: The lifting mechanism comprises: a walking frame, a lifting frame is provided on the upper end of the walking frame, and a lifting structure is provided on the upper end of the lifting frame; The lifting structure includes: two winches, four slides, a lifting frame, an anti-fall component, four tension sensors and a guide component; The two hoists are respectively fixedly mounted on both sides of the upper end of the traveling frame, the four slides are respectively mounted on the inner wall surfaces on both sides of the lifting frame, the lifting frame is movably embedded in the four slides, the anti-falling assembly is mounted on both sides of the upper end of the traveling frame and movably embedded in both sides of the lifting frame, the four tension sensors are respectively fixedly mounted on both sides of the lifting frame, and the guide assembly is mounted on the lifting frame and both sides of the lifting frame; The anti-fall assembly includes: two second fixing plates and two electric push rods; The two second fixing plates are respectively installed on both sides of the upper end of the walking frame, the two electric push rods are respectively installed in the two second fixing plates, and the telescopic ends are respectively movably embedded in both sides of the lifting frame; The guide assembly includes: two fixed pulleys and two movable pulleys; The two fixed pulleys are respectively installed on both sides of the upper end of the lifting frame, and the two movable pulleys are respectively installed on both sides of the lifting frame; Two traction ropes are wound around the upper ends of the winch on both sides. The two traction ropes are wound around two fixed pulleys and two movable pulleys in sequence and are connected to two tension sensors. The chute is a "U"-shaped chute.

3. The intelligent cleaning device for frozen coal and residual coal of a car dumper according to claim 2 is characterized in that: The cleaning mechanism includes: a frame, a pair of suction pipes, a side brush transverse movement suction nozzle swing structure and a cleaning bottom brush structure, the side brush transverse movement suction nozzle swing structure and the cleaning bottom brush structure are installed on the frame, and the pair of suction pipes are connected to the side brush transverse movement suction nozzle swing structure; The side brush transverse movement suction nozzle swing structure includes: a pair of side wall brackets, two pairs of relatively telescopic screw modules, two pairs of concave horizontal movement brackets, two pairs of side roller brushes, two pairs of vertical roller brushes, two pairs of disc cleaning brushes, two pairs of side wall drive shafts, two pairs of side wall drive motors and a suction pipe drainage component; A pair of side wall brackets are respectively mounted relatively parallel to both sides of the frame, two pairs of relatively telescopic screw modules are respectively mounted relatively parallel to a pair of side wall brackets, two pairs of concave horizontal movable brackets are respectively mounted on the two pairs of relatively telescopic screw modules, two pairs of side wall drive shafts are respectively inserted into the two pairs of concave horizontal movable brackets, two pairs of side roller brushes, two pairs of telescopic vertical roller brushes and two pairs of disc cleaning brushes are sequentially mounted on the two pairs of side wall drive shafts from top to bottom, two pairs of side wall drive machines are respectively mounted on the two pairs of side wall drive shafts, and the suction pipe drainage assembly is mounted on the two pairs of side wall drive shafts; The straw drainage assembly comprises: a pair of concave horizontal movable plates, two pairs of fitted rotating shafts and a pair of fitted rings; A pair of concave horizontal movable plates are respectively installed on the two pairs of side wall drive shafts, and a horizontal adsorption groove is respectively opened on the pair of concave horizontal movable plates. A pair of sleeve rings are respectively movably inserted into the inner side of the pair of horizontal adsorption grooves through a pair of sleeve rotating shafts, and the pair of sleeve rings are respectively movably sleeved on a pair of suction pipes; The cleaning bottom brush structure includes: a pair of crushing bottom roller brushes, a pair of cleaning bottom roller brushes and two pairs of bottom end driving machines; A pair of the crushing bottom roller brushes and a pair of the cleaning bottom roller brushes are supported and inserted on the frame, and the driving ends of the two pairs of bottom end driving machines are respectively connected to the pair of the crushing bottom roller brushes and the pair of the cleaning bottom roller brushes; the cleaning bottom roller brush adopts a single-axis double-helix steel wire nylon brush; the crushing bottom roller brush adopts Mn13Cr2; the pair of the crushing bottom roller brushes and the pair of the cleaning bottom roller brushes are "human" shaped brushes.

4. The intelligent cleaning device for frozen coal and residual coal of a car dumper according to claim 3 is characterized in that: The material suction mechanism includes an external conical box, a feed pipe is inserted into the side wall of the external conical box, a screw conveyor is installed at the lower end of the external conical box, and a filtering structure is installed on the external conical box; The filtering structure includes a conical secondary filter bucket, the conical secondary filter bucket is mounted on the inner wall of the external conical box and is located above the feed pipe, the lower end of the conical secondary filter bucket is hingedly connected to a filter screen plate, the outer wall of the conical secondary filter bucket is hingedly connected to a first cylinder, the telescopic end of the first cylinder is hingedly connected to the wall surface of the filter screen plate, a three-stage filter screen is mounted on the inner top surface of the external conical box, a separation cover is mounted on the inner top surface of the external conical box, the separation cover is coaxially mounted with the three-stage filter screen, and the three-stage filter screen is located inside the separation cover, an electromagnetic valve is mounted on the lower wall of the separation cover, a dry exhaust pipe is inserted on the upper wall of the external conical box and located at the center of the three-stage filter screen, a wet exhaust pipe is inserted on the upper wall of the external conical box and located outside the separation cover, a negative pressure power assembly is installed at one end of the dry exhaust pipe and the wet exhaust pipe, a material shaking assembly is mounted on the inner wall of the external conical box and located below the feed pipe, and a backflush assembly is mounted on the external conical box; The material shaking assembly includes a conical hopper, which is mounted on the inner wall of the external conical box and located below the feed pipe. A second cylinder is mounted on the inner wall of the external conical box, and the telescopic end of the second cylinder is aligned with the outer wall of the conical hopper. The negative pressure power assembly includes a connecting airway, the connecting airway is installed at one end of the exhaust pipe and the wet exhaust pipe, a negative pressure air pump is installed at one end of the connecting airway, and an outlet pipe is installed on the negative pressure air pump; A muffler is installed at one end of the air outlet pipe; a hammer is installed at the telescopic end of the second cylinder; the inner diameter of the lower end of the conical hopper is smaller than the inner diameter of the lower end of the external conical box; The back-blowing assembly includes a back-blowing pipe, which is inserted into the upper wall of the external conical box and is located between the dry exhaust pipe and the three-stage filter. A check valve is installed at one end of the back-blowing pipe, and a back-blowing blower is installed at one end of the check valve.

5. The intelligent cleaning device for frozen coal and residual coal of a car dumper according to claim 4 is characterized in that: The transfer and unloading equipment includes: a base frame, a transfer belt conveyor is installed on the top of the base frame, a discharge port is provided on one side of the top of the transfer belt conveyor, a dust removal bin is installed on the lower side of the top of the discharge port, and arc frames are provided on both sides of the bottom of the dust removal bin, and the interior of the arc frame is set to be hollow; A connecting plate is installed on the upper side of the arc frame, and the upper side of the connecting plate is connected to one side of the dust removal bin by screws. The top of the arc frame is connected to a conveying pipe, and a filter assembly is installed inside the dust removal bin. The upper side of the conveying pipe passes through the bottom wall of the dust removal bin and the filter assembly. An exhaust port is installed on the upper side of the conveying pipe, and an exhaust fan is connected to the bottom of the dust removal bin; A conveying device is provided on one side of the base frame, and a support frame is evenly installed on the top of the base frame. The upper side of the support frame is in close contact with the bottom of the transfer belt conveyor, and the top of the transfer belt conveyor is connected to a transfer bucket; The filter assembly includes a fixed block, sealing blocks are provided on both sides of the fixed block, the upper side of the delivery pipe passes through the sealing blocks, a slot is provided in the middle part of the fixed block, and a filter plate is inserted into the slot; Air inlets are evenly arranged on the inner side of the arc-shaped frame; an opening is provided on the side of the base frame close to the conveying device, and the longitudinal width of the opening is greater than the width of the transfer bucket; the shape of the support frame matches the shape of the bottom of the transfer bucket; a switch door corresponding to the filter plate is provided at the front end of the dust removal bin.

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