Electric cleaning tricycle

Abstract

The invention discloses an electric three-wheeled cleaning vehicle, which is characterized in that an electric tricycle is used as a carrier and is matched with mechanical parts, and the mechanical parts are operated and controlled by an electric appliance circuit consisting of a left turning handle and a power supply backward switch, so that ground garbage is sucked, stored and transferred; the mechanical part comprises a suction cup rotating arm assembly, a rotating transmission mechanism, a lifting mechanism, a garbage channel pipe assembly, a dust storage box assembly and a negative pressure system assembly. A right turning handle of the vehicle controls running of the vehicle, a left turning handle of the vehicle controls a rotation transmission mechanism and a suction cup rotation arm assembly to rotate in a scanning mode, a centrifugal fan is started to enable a dust storage box assembly, a garbage channel pipe and a suction cup rotation arm to form negative pressure, and a negative pressure suction cup sucks away ground garbage near the ground and stores the garbage into a dust storage box. And dust-containing air is discharged after being filtered by the coarse filter screen, the cylindrical filter element and the fine filter at the air outlet of the centrifugal fan. The storage battery serves as energy, turning is flexible, operation is convenient and fast, functions are complete, and the vehicle is applied to ground cleaning of urban centers, tourist attractions and residential districts.

Description

Technical Field

[0001] The present invention relates to environmental protection equipment, and more particularly to an electric three-wheel cleaning vehicle. Background Art

[0002] At present, the well-known equipment for cleaning road surfaces are large and medium-sized rotary broom type fuel-powered road sweepers. Most of them have four to five rotary brooms at fixed positions for sweeping the floor, and a dustpan type negative pressure suction port for dust collection. Such equipment belongs to special motor vehicles and requires a special motor vehicle driver's license for operation. Moreover, it has a large volume, high noise and high cost. In addition, the well-known small battery-powered road sweepers are driven by four to five motors for the rotary brooms, consume a lot of electricity and have a short battery power supply time, and are only suitable for sweeping and cleaning small areas such as courtyards and the lobbies of public institutions indoors. In view of the various deficiencies of the above-mentioned road sweepers, traditional manual broom sweeping is still continued in busy urban areas, tourist attractions, residential areas and other places, and then the garbage and leaves are transported away by a manual tricycle. This kind of manual sweeping and cleaning has low efficiency, high labor intensity, requires a lot of cleaning labor, low civilization level, and is not conducive to highlighting the taste of modern cities. Summary of the Invention

[0003] The purpose of the present invention is to design an electric three-wheel cleaning vehicle, which uses a storage battery as an energy source, consumes less energy, has a small volume, is flexible in turning, convenient to operate, has a perfect cleaning function, and is applied to the ground cleaning of city centers, tourist attractions and residential areas.

[0004] The technical solution of the present invention is: an electric three-wheel cleaning vehicle, which uses an electric three-wheel vehicle as a carrier, is equipped with mechanical components, and operates and controls the mechanical part through an electrical circuit composed of the left turn handle of the vehicle's steering handlebar and the power reverse switch to suck up ground garbage and store and transport it; its characteristics are: the mechanical components include a suction cup rotary arm assembly, a rotary transmission mechanism, a lifting mechanism, a garbage channel pipe assembly, a dust storage box assembly, and a negative pressure system assembly. A suction cup rotary arm assembly that reciprocally rotates, scans, lifts, and sucks dust near the ground and is suspended and installed with the front bottom higher than the rear under the vehicle chassis behind the front wheels of the vehicle. A rotary transmission mechanism for driving the suction cup rotary arm assembly to perform reciprocating rotary scanning is installed above the longitudinal beam of the vehicle chassis behind the driver's seat of the vehicle. A lifting mechanism is assembled on the upper part of the rotary transmission mechanism. The dust storage box assembly is installed above the rear two wheels of the vehicle. The negative pressure system assembly is installed in the upper part of the dust storage box assembly. The garbage channel pipe assembly is installed behind the driver's seat of the vehicle to form a garbage transition channel between the suction cup rotary arm assembly, the rotary transmission mechanism and the dust storage box assembly.

[0005] Among them, the suction cup rotary arm assembly is composed of a suction cup and a rotary arm. The rotary arm is a welded structure. The suction cup is composed of a ball, a nylon ring, a sleeve, a top rod, a compression spring, a switch seat, a contact switch, a small cover plate, and is connected by screws. The suction cup is installed under the rotary arm. The rotary arm is connected to the rotary transmission mechanism through a flange and bolts.

[0006] Furthermore, a ground-touching buzzer assembly is installed at the corresponding position of the suction cup.

[0007] The rotary transmission mechanism is assembled by a guide sleeve, a machine base, an external spline sleeve, a combined flange assembly, a large internal spline sprocket, a motor, a gearbox, a small sprocket, a nylon guide sleeve, a limit disc touch pin assembly, a nylon stop, a nylon ring, a lower flange of the external spline sleeve, a long nylon ring, a short nylon ring, a roller chain, and a support iron plate. The combined flange assembly consists of a combined flange, a nut, a positioning pin shaft, and a ball. The limit disc touch pin assembly consists of an internal spline limit disc, a touch pin, a reversing travel switch, and a screw, with automatic reverse of the limit travel. The motor, the small sprocket, the large internal spline sprocket, the external spline sleeve, and the internal spline limit disc are all driven by spline fit. The combined flange assembly of the transmission mechanism is a combined structure positioned by a pin shaft, with a ball groove on the upper end face for arranging balls to offset the torque of the mechanism during side lifting and side rotation. The internal spline limit disc of the transmission mechanism rotates synchronously with the spline sleeve by spline, and the reversing travel switch fixed to the machine base by the touch pin forms a limit reversing device.

[0008] The lifting mechanism is composed of a lifting control lever assembly installed on the lower pulley. The lifting control lever assembly is assembled by bolts, shafts, bearings, bearing seats, control levers, pins, small shafts, torsion springs, shaped clips, grips, sector groove wheels, vertical square steel pipes of the column, and sector hole plates. The spring balance mechanism assembled by spring pull rod screws, spring seats, bolts, tension springs, lifting rods, steel wire ropes, hollow bolts, left pulleys, middle pulleys, herringbone brackets, and right pulleys is used to balance the self-weight of the suction cup rotary arm. The pulley shafts of the left pulley, middle pulley, and right pulley of the lifting mechanism rely on the steel pipe behind the left seat of the vehicle. The center lines of the left pulley and middle pulley are higher than the center line of the right pulley. The lifting control lever assembly is fixed to the lower steel pipe column on the right side of the driver's seat through a bearing seat. Operating the control lever to push and pull to rotate the angle of the sector groove wheel and pull the steel wire rope to lift and lower the lifting mechanism, and the pin of the control lever and the pin hole plate fixed to the right side of the driver's seat are used for stepped lifting.

[0009] The garbage chute pipe assembly is assembled by a straight pipe, an upper side flange, bolts, an inclined pipe, a square hole flange, a gasket, and a round hole flange. The lower end of the garbage chute pipe assembly is connected to the guide sleeve of the transmission mechanism by a flange, and the upper side of the garbage chute pipe assembly is tightly connected to the garbage inlet of the dust storage box assembly by a flange, forming a complete channel for garbage to be sucked into the dust storage box by the suction cup.

[0010] The dust storage box assembly is located above the rear two wheels of the vehicle, and is provided with a garbage outlet door, an internal thread turning handle, a slope bottom plate, a partition column, a gasket, a vertical partition, a box body panel, a frame pipe, a top cover, and a top cover gasket.

[0011] Further, above the front end of the dust storage box is the garbage inlet, with a power button and a buzzer set above the front end. The top of the dust storage box is provided with a top cover, and the garbage outlet door is at the lower rear. At the rear of the dust storage box, there is an open bin for storing larger human discarded objects that cannot be sucked by the suction cup.

[0012] Among them, the negative pressure system assembly is built into the dust storage box assembly and assembled on the vertical partition of the dust storage box to create negative pressure for the suction cup and pipeline to suck up ground garbage and filter dust air. It is assembled by a motor, a fine filter screen at the air outlet, a centrifugal fan, a cylindrical filter element, a filter element support, an impeller support, bearings, keys, an impeller shaft, an impeller pressing plate, an inert impeller, a coarse filter screen, bolts, and a cylindrical tube. The inert impeller is coaxially installed on the vertical partition and the frame tube from the rear to the front, facing the garbage inlet of the dust storage box, and the fine filter screen is installed at the outlet of the centrifugal fan.

[0013] Advantages of the present invention compared with the prior art: 1. A negative pressure rotary suction cup that rotates 180 degrees left and right in a reciprocating manner, is manually controlled to lift, and is close to the ground for dust suction, is suspended under the vehicle chassis. During operation, the negative pressure suction cup is electrically controlled to rotate in a semi-circular arc in a scanning mode, and when driving, it sucks up cigarette butts, fallen leaves of trees, and smaller and lighter human discarded objects on the ground close to the ground and incorporates them into the dust storage box.

[0014] 2. Compared with manual sweeping and cleaning with a broom, the working efficiency is significantly improved, and the labor intensity of the cleaning staff is reduced.

[0015] 3. Compared with the general rotary broom type sweeping vehicle, the electric three-wheel cleaning vehicle has less energy consumption, higher efficiency, smaller volume, more flexible turning, larger working range, simple operation, does not require a motor vehicle driver's license, and is inexpensive and easy to popularize, with less investment cost and simple maintenance. Brief Description of the Drawings

[0016] Figure 1 is the schematic diagram of the assembly of the electric three-wheel cleaning vehicle; Figure 2 is Figure 1 the N-direction view of the schematic diagram of the assembly of the electric three-wheel cleaning vehicle; Figure 3 is Figure 1 the schematic diagram of the suction cup swing arm assembly; Figure 4 is Figure 1 the schematic diagram of the swing transmission mechanism; Figure 5 is Figure 4 the enlarged view of part W of the swing transmission mechanism in Figure 6 is Figure 4 the schematic diagram of the combined flange assembly in Figure 7 is Figure 6 the A-direction view of the combined flange assembly in Figure 8 is Figure 4 The B-B sectional view of the internal spline limit disk in Figure 9 is Figure 1 The schematic diagram of the lifting mechanism of Figure 10 is Figure 9 The enlarged view of part C of the lifting control lever assembly in Figure 11 is Figure 10 The view in the direction D of the lifting control lever assembly in Figure 12 is Figure 1 The schematic diagram of the garbage chute pipe assembly of Figure 13 is Figure 12 The view in the direction E of the garbage chute pipe assembly in Figure 14 is Figure 1 The schematic diagram of the dust storage box assembly of Figure 15 is Figure 14 The view in the direction F of the dust storage box assembly in Figure 16 is Figure 1 The schematic diagram of the negative pressure system assembly of Figure 17 is Figure 16 The G-G sectional view of the negative pressure system assembly in Figure 18 is Figure 1 The operation schematic diagram of the electric three-wheel cleaning vehicle of

[0017] In the figure: 1 vehicle body assembly, 2 suction cup slewing arm assembly, 3 slewing drive mechanism, 4 lifting mechanism, 5 garbage chute pipe assembly, 6 dust storage box assembly, 7 negative pressure system assembly, 8 forward and reverse switch, 9 left turn handle, 10 power button, 11 buzzer, 2-01 ball, 2-02 nylon ring, 2-03 sleeve, 2-04 ejector rod, 2-05 compression spring, 2-06 switch base, 2-07 contact switch, 2-08 small cover plate, 2-09 screw, 2-10 suction cup, 2-11 slewing arm, 2-12 connecting flange, 2-13 bolt, 2-14 bolt, 3-01 guide sleeve, 3-02 machine base, 3-03 external spline sleeve, 3-04 combined flange assembly, 3-05 internal spline large sprocket, 3-06 motor, 3-07 gearbox, 3-08 small sprocket, 3-09 nylon guide sleeve (left, right), 3-10 limit disc contact pin assembly, 3-11 nylon stop block (left, right), 3-12 nylon ring, 3-13 lower flange of external spline sleeve, 3-14 long nylon ring, 3-15 short nylon ring, 3-16 roller chain, 3-17 support iron plate, 3-04-3 combined flange, 3-04-2 nut, 3-04-1 positioning pin shaft, 3-04-4 ball, 3-10-1 internal spline limit disc, 3-10-2 contact pin, 3-10-3 reversing travel switch (left), 3-10-4 screw, 3-10-5 reversing travel switch (right), 3-11 nylon stop block (x2), 4-01 lower pulley, 4-02 lifting control lever, 4-03 spring pull rod screw, 4-04 spring seat, 4-05 bolt, 4-06 tension spring, 4-07 lifting rod, 4-08 steel wire rope, 4-09 hollow bolt, 4-10 left 1 pulley, 4-11 left pulley, 4-12 middle pulley, 4-13 chevron bracket, 4-14 right pulley, 4-15 screw, 4-16 screw, 4-02-1 bolt, 4-02-2 shaft, 4-02-3 bearing, 4-02-4 bearing seat, 4-02-5 control lever, 4-02-6 pin, 4-02-7 small shaft, torsion spring, 4-02-8 U-shaped clamp, 4-02-9 grip, 4-02-10 sector groove wheel, 4-02-11 column square steel pipe, 4-02-12 sector hole plate, 5-01 straight pipe, 5-02 upper side flange, 5-03 bolt, 5-04 bolt, 5-05 inclined pipe, 5-06 square hole flange, 5-07 gasket, 5-08 round hole flange, 6-01 garbage outlet door, 6-02 internal thread turning handle, 6-03 ramp bottom plate, 6-04 partition column, 6-05 gasket, 6-06 vertical partition, 6-07 box panel, 6-08 frame pipe, 6-09 top cover, 6-10 top cover gasket, 6-11 hinge, 6-12 battery compartment door, 7-01 motor, 7-02 fine filter screen, 7-03 centrifugal fan, 7-04 cylindrical filter element, 7-05 filter element support, 7-06 impeller support, 7-07 bearing, 7-08 key, 7-19 impeller shaft, 7-10 small pressing plate, 7-11 inert impeller, 7-12 coarse filter screen7-13 bolts, 7-14 U-shaped cylinder., Specific embodiments

[0018] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it should not be construed as a limitation to the technical solution. Improvements based on this are all within the protection scope of the present invention.

[0019] Figure 1 The described electric three-wheeled cleaning vehicle uses the electric tricycle 1 as a carrier and is equipped with six mechanical functional components numbered 2 to 7. The rotary drive mechanism 3 drives the suction cup rotary arm 2 to scan and rotate. The lifting control rod assembly 4-02 of the lifting mechanism 4 adjusts the distance between the suction cup rotary arm 2 and the ground. The negative pressure suction cup 2 under the vehicle chassis sucks up garbage near the ground. The dust suction channel pipe 5 serves as a channel for garbage to enter the dust storage box 6. The negative pressure system 7 installed in the dust storage box 6 operates to create negative pressure in the channel from the suction cup 2 to the dust storage box 6, completing the operation process of sucking up ground garbage.

[0020] Figure 2 is Figure 1 The N-direction view. The right turn handle controls the vehicle's driving. The vehicle body is required to meet the assembly conditions for installing the present invention. The description of other mature technologies of the vehicle body part is omitted. The vehicle body part should meet all requirements of safety conditions and driving traffic regulations. A left turn handle 9 for stepless voltage regulation, a forward-reverse switch 8, a power button 10, and a buzzer 11 are provided on the steering head of the electric tricycle. The functions of the left turn handle 9 and the right turn handle are both to rotate by hand for stepless voltage regulation. The potentiometer-type left turn handle 9 is used in conjunction with the power forward-reverse switch 8 and the commutation travel switches 3-10-3 and 3-10-5 to control the forward and reverse rotation of the rotary drive mechanism 3. The electric three-wheeled cleaning vehicle is provided with two sets of power supply systems, namely battery pack a and battery pack b. The driving of the cleaning vehicle and the rotary drive mechanism are powered by battery pack a, which is installed under the driver's seat. The centrifugal fan 7-03 of the negative pressure system 7 is powered by battery pack b, which is installed at the front lower end of the dust storage box 6.

[0021] Figure 3The described suction cup slewing arm assembly 2 is suspended in front low and behind high behind the front wheels of the vehicle and under the chassis of the vehicle. It is the suction inlet and channel for garbage in the negative pressure state. The front end of the suction cup slewing arm assembly 2 is the suction cup 2-10, and the rear end is the slewing arm 2-11. At the rear end of the slewing arm 2-11, there is a flange 2-12, which is connected to the flange 3-13 at the lower end of the external spline sleeve 3-03 of the slewing drive mechanism 3 by bolts 2-13. The suction cup slewing arm assembly 2 is driven by the slewing drive mechanism 3 and the lifting mechanism 4 to perform synchronous reciprocating slewing and linear lifting, so that the suction cup 2-10 scans and slews to suck dust near the ground. The slewing arm 2-11 is the channel for garbage to enter the storage box 6. To prevent the suction cup 2-10 from touching the ground and damaging the machine parts during the lifting operation close to the ground, a ground-touching buzzer warning power-off device is set up. This device consists of a ball 2-01, a sleeve 2-03, a push rod 2-04, a compression spring 2-05, a switch base 2-06, a contact switch 2-07, a cover plate 2-08, screws 2-09, and a buzzer 11.

[0022] Figure 4 The described slewing drive mechanism 3 is a mechanical drive device for driving the suction cup slewing arm 2. Figure 5 is Figure 4Partial enlarged view of the middle W part, which is vertically arranged behind the driver's seat of the electric three-wheeled cleaning vehicle and on the upper surface of the longitudinal beam of the vehicle body chassis. It consists of a support iron plate 3-17, a machine base 3-02, a guide sleeve 3-01, an external spline sleeve 3-03, nylon tiles 3-14, 3-15, a combined flange assembly 3-04, balls 3-04-4, a lower flange of the external spline sleeve 3-13, an internal spline large sprocket 3-05, a nylon stop 3-11, an internal spline limit disc assembly 3-10, a contact pin 3-10-2, a nylon washer 3-12, a left limit travel switch 3-10-3, a right limit travel switch 3-10-5, a motor 3-06, a gearbox 3-07, a small sprocket 3-08, a nylon sleeve 3-09, and a roller chain 3-16; the machine base 3-02 is fastened to the support iron plate 3-17 on the upper plane of the longitudinal beam of the vehicle body chassis. In the middle of the upper plane of the machine base 3-02 is the installation hole for the guide sleeve 3-01, and on the left and right sides are the holes for installing the nylon sleeve 3-09 for guiding the lifting rod 4-07; the guide sleeve 3-01 is tightly fitted in the middle vertical hole on the upper plane of the machine base 3-02 and fixed with a flange bolt 5-04; the middle hole of the guide sleeve 3-01 is the garbage passage, and the outer cylindrical surface guides the rotation and lifting of the external spline sleeve 3-03; on the upper plane of the guide sleeve 3-01 is an upper flange 5-08 fixed to the lower flange 5-06 of the garbage passage pipe 5 with a bolt 5-03; there are two circumferential grooves on the inner cylindrical surface of the external spline sleeve 3-03, and nylon tiles 3-14, 3-15 are inlaid in the grooves as wear parts for the rotation and axial movement of the outer cylindrical surface of the guide sleeve 3-01; at the lower end of the external spline sleeve 3-03 is a flange 3-13 connected to the flange 2-12 of the suction cup swing arm assembly 2 with a bolt 2-13; the external spline sleeve 03-03, the combined flange assembly 3-04, the internal spline large sprocket 3-5, the limit disc contact pin assembly 3-10, the nylon washer 3-12, and the lower flange of the external spline sleeve 3-13 are assembled in sequence on the outer cylindrical surface of the guide sleeve 3-1; on the upper plane of the internal spline large sprocket 3-5 is a nylon stop 3-11 oppositely fixed to the upper plane of the bottom plate of the machine base 3-2, and the nylon stop 3-11 restricts the upward movement of the internal spline large sprocket 3-5 due to the lifting of the external spline sleeve 3-3.

[0023] Figure 6 , Figure 7 All are combined flange assemblies 3-04. Figure 7 is Figure 6 View A of, which consists of a positioning pin bolt 3-04-1, a nut 3-04-2, a combined flange 3-04-3, and balls 3-04-4. The combined flange 3-04-3 needs to be made into two semi-circles and fastened into a whole circle with the positioning bolt 3-04-1, and is assembled in the relief groove at the upper end of the external spline sleeve 3-03. There is a ball groove on the upper concave surface of the combined flange 3-04-3 for arranging the balls 3-04-4, which acts on the relative sliding of the external spline sleeve 3-03 when it linearly lifts and rotates.

[0024] Figure 8 The inner spline limit disc assembly 3-10 mentioned above is composed of an inner spline limit disc 3-10-1, a touch pin 3-10-2, a left commutation travel switch 3-10-3, a bolt 3-10-4, a right commutation travel switch 3-10-5 and two nylon stoppers 3-11. A protruding touch pin 3-10-2 is installed on the outer circular surface of the limit disc 3-10-1. When the limit disc 3-10-1 rotates 90 degrees to the left or 90 degrees to the right along with the outer spline sleeve 3-03, the touch pin 3-10-2 will touch the left commutation travel switch 3-10-3 and the right commutation travel switch 3-10-5 which are fixed on the machine base 3-02 at an interval of 180 degrees; this causes the current direction to change and the motor 3-06 to reverse, realizing the emergency stop and reverse rotation of the suction cup swing arm assembly 2.

[0025] Figure 9 、 Figure 10 、 Figure 11It is the manual control lever assembly 4-02 of the lifting mechanism 4. The lifting mechanism 4 is arranged on the upper part of the slewing drive mechanism 3 and is composed of a combined flange 3-04-3, balls 3-04-4, left and right lifting rods 4-07, nylon guide sleeves 3-09, chevron brackets 4-13, No. 1 left pulley 4-10, left pulley 4-11, intermediate pulley 4-12, right pulley 4-14, wire ropes 4-08, left and right tension springs 4-06 and spring seats 4-04. On both sides of the upper plane of the combined flange 3-04-3, there are holes for assembling the left and right lifting rods 4-07 at a circumferential interval of 180 degrees. At the lower ends of the left and right lifting rods 4-07, there are steps that fit into the holes of the combined flange 3-4-3 and are fixed tightly with screws 4-16. The upper ends of the left and right lifting rods 4-07 pass through the vertical holes of the nylon guide sleeves 3-09 on both sides of the upper plane of the machine base 3-02, and are then connected and fixed tightly with the U-shaped grooves at both ends of the upper chevron bracket 4-13 with bolts 4-09 to form a frame-shaped lifting combination. Above the chevron bracket 04-13, there are four pulleys fixed at high and low positions on the horizontal square steel pipe above the backrest of the seat, namely No. 1 left pulley 4-10, left pulley 4-11, intermediate pulley 4-12, and right pulley 4-14. Wire ropes are respectively fixed at the bolt holes 4-09 at both ends of the chevron bracket 4-13, then pass upward through the R grooves of the upper left pulley 4-11 and the R groove of the right pulley 4-14 and go downward from the outside, and are then respectively connected to the upper ends of the left and right tension springs 4-06 on both sides. The lower ends of the left and right tension springs 4-06 are fixed tightly to the left and right spring seats 4-04 fixed on both sides of the machine base 3-02 to form a balance combination to overcome the self-weights of the suction cup slewing arm assembly 2 and the external spline sleeve 3-03. Another wire rope 4-08 has one end fixed to the middle hole of the chevron bracket 4-13, and the other end passes upward through the R groove of the upper middle pulley 4-12 to the R groove of the No. 1 left pulley 4-10 and then downward to the R groove of the lower left pulley 4-01 and then to the other end of the R groove of the sector sheave 4-02-10 and is fixed. The lower left pulley 4-01 is vertically aligned with the No. 1 left pulley 4-10 above it, the lower left pulley 4-01 is parallel to the right side of the sector sheave 4-02-10, and the support of the lower left pulley 4-01 is fixed to the upper plane of the vehicle chassis with bolts. Operating the lifting control lever 4-02-5 rotates the sector sheave 4-02-10 to pull the wire rope, and then drives the chevron bracket 4-13, left and right lifting rods 4-07, and combined flange 3-04-3 through the pulleys to realize the lifting of the mechanism. The adjustment distance of the mechanism lifting is the distance H between the lower plane of the combined flange 3-04-3 and the nylon stop 3-11, see Figure 4 , which is equivalent to the lifting distance H from the lower plane of the suction cup 2-10 to the ground, see Figure 1 ; The lifting control lever assembly 4-02 is arranged on the right side of the driver's seat, see Figure 10 、 Figure 11, which is composed of a joystick 04-02-5, a grip 04-02-9, a U-shaped clamp 4-02-8, a pin shaft 4-02-7, a torsion spring, a pin 4-02-6, a bearing block 4-02-4, a shaft 4-02-2, and a gear position orifice plate 4-02-1. The grip 4-02-9, the U-shaped clamp 4-02-8, the pin shaft 4-02-7, the torsion spring, and the pin 4-02-6 form a lever sub-assembly and are arranged under the handle of the joystick 4-02-5. See the position of the double-dot dash block diagram of part C in Figure 10 , Figure 9 . The lower end of the joystick 4-02-5 is assembled on the outer journal of the shaft 4-02-2 in the middle of the bearing block 4-02-4 on the lower right side column of the seat. The sector grooved pulley 4-02-10 is assembled on the inner journal of the shaft 4-02-2 of the bearing block 4-02-4 under the seat, and both are connected to the journal with keys. The gear position orifice plate 4-02-11 is fixed at the corresponding part of the steel pipe on the right side of the seat and the pin 4-02-6. During operation, when the right hand exerts force on the upper end of the grip 4-02-9, the pin 4-02-6 is pulled out due to the lever action. See Figure 10 The schematic diagram of pulling out the right pin. Push or pull the joystick to the appropriate position and release the grip 4-02-9. The torsion spring returns to its original position and makes the pin 4-02-6 insert into the hole of the gear position orifice plate 4-02-11. See Figure 11 , Figure 10 . The D-direction view in

[0026] The dust suction channel pipe assembly 5 is a garbage transition channel between the guide sleeve 3-01 and the dust storage box assembly 6. It is located behind the driver's seat and above the slewing drive mechanism 3. It is composed of a straight pipe 5-01, an upper side flange 5-02, bolts 5-03, bolts 5-04, an inclined pipe 5-05, a square hole flange 5-06, a gasket 5-07, and a round hole flange 5-08. The upper side of the dust suction channel pipe assembly 5 is connected to the garbage inlet flange 6-10 of the storage box 6 with bolts 5-03 through the rectangular flange 5-02, and the lower part is connected to the round hole flange 5-08 on the upper plane of the guide sleeve 3-01 with the square hole flange 5-06.

[0027] The dust storage box assembly is located behind the driver's seat and above the vehicle body chassis of the two rear wheels of the cleaning vehicle. The dust storage box assembly 6 is composed of a garbage outlet door 6-01, an internal thread turning handle 6-02, a slope bottom plate 6-03, a partition column 6-04, a gasket 6-05, a vertical partition 6-06, a box body skin 6-07, a frame steel pipe 6-08, a top cover 6-09, a battery compartment door 6-12, a gasket 6-10, and a hinge 6-11. The dust storage box 6 assembly is fully enclosed, and a negative pressure system assembly 7-00 is installed in the upper part of the box body. Figure 1The inclined guide line 7, the front lower end is the battery compartment B that provides power for the centrifugal fan 7-03. The battery compartment B is an atmospheric pressure compartment separated from the dust storage box body. The lower part inside the dust storage box body is the garbage bin. The garbage passage inlet is on the front end face of the dust storage box body. The garbage outlet door 6-01 is at the lower rear position of the dust storage box body. The top inspection hole cover 6-07 and the garbage outlet door 6-01 are both screwed to the dust storage box body with hinges 6-12 and tightened and sealed with internal thread handles 6-14.

[0028] The described negative pressure system assembly 7 is located in the upper part of the storage box and is assembled along the same axis from the back to the front by a DC motor 7-01, a fine filter 7-02, a centrifugal fan 7-03, a cylindrical filter element 7-04, a filter element support 7-05, an impeller support 7-06, a bearing 7-07, a key 7-08, an impeller shaft 7-09, a pressing plate 7-10, an inert impeller 7-11, a coarse filter screen 7-12, a bolt 7-13, and a U-shaped cylinder 7-14. The centrifugal fan is fixed to the vertical partition 6-06 at the upper rear part inside the dust storage box with bolts. The DC motor 7-01 is assembled at the corresponding position behind the centrifugal fan 7-03. The two upper ends of the U-shaped cylinder 7-14 are fastened to the frame steel pipe 6-08 of the dust storage box with bolts. The rear end of the U-shaped cylinder 7-14 is closely attached to the air inlet of the centrifugal fan 7-03. The front end of the U-shaped cylinder 7-14 faces the garbage inlet of the dust storage box. The function of the U-shaped cylinder 7-14 is to guide the negative pressure air flow for the centrifugal fan 7-03 from the garbage inlet of the dust storage box to the air inlet of the centrifugal fan 7-03 and isolate the garbage. The filter element support 07-05 is fastened to the front end wall of the U-shaped cylinder 07-14 with bolts to support the front end of the cylindrical filter element 7-04. The rear end of the cylindrical filter element 7-04 is sleeved on the stop collar of the air inlet of the centrifugal fan 7-03. The impeller support 7-06 is installed in front of the filter element support 7-0. It is fastened to the front end wall of the U-shaped cylinder 7-10 with bolts. The coarse filter screen 7-12 is between the impeller support 7-06 and the filter element support 7-05. The middle hole of the impeller support 7-06 is installed with a bearing 7-07, an impeller shaft 7-09, and a key 7-08. An inert impeller 7-11 is installed in front of the impeller support 7-06. The end face of the inert impeller 7-11 faces the garbage inlet of the dust storage box and rotates under the action of negative pressure air intake to knock off sundries such as leaf garbage sucked in from the air inlet of the dust storage box. The dust-laden air enters the U-shaped cylinder 7-14 after being coarsely filtered by the coarse filter screen 7-12, is filtered by the cylindrical filter element 7-04, enters the centrifugal fan 7-03, and is finely filtered by the fine filter screen 7-02 and then discharged.

[0029] Figure 1Taking the electric tricycle 1 as the carrier, the sucker slewing arm assembly 2 is suspended under the chassis of the vehicle. The slewing drive mechanism 3 is arranged behind the driver's seat and above the longitudinal beam of the vehicle chassis. The lifting mechanism 4 is assembled on and integrated with the slewing drive mechanism. The operating lifting mechanism is on the right side of the driver's seat, and its function is to drive the rotation and lifting of the sucker slewing arm assembly 2. The dust suction channel pipe assembly 5 serves as the garbage channel connecting the guide sleeve 3-01 of the slewing drive mechanism 3 to the inlet of the dust storage box assembly 6. The dust storage box assembly 6 is arranged above the rear two wheels of the tricycle and is internally provided with a negative pressure system 7. The negative pressure system 7 is arranged in the upper rear part of the dust storage box. The function of the negative pressure system 7 is to filter the garbage air and create a negative pressure from the sucker slewing arm to the dust storage box. The flange 2-12 of the sucker slewing arm assembly 2 is bolted to the lower flange 3-13 of the external spline sleeve 3-03 of the slewing drive mechanism 3. The guide sleeve 3-01 of the slewing drive mechanism 3 is bolted to the flanges 5-08 and 5-06 of the dust suction channel pipe assembly 5 with bolts 5-04. The upper side of the dust suction channel pipe assembly 5 is fastened and connected to the garbage inlet of the dust storage box assembly 6 with bolts 5-03.

[0030] Figure 2 The left turn handle 9 in [description] is connected to the power reverse switch 8 and Figure 8 The left commutation travel switch 3-10-4 and the right commutation travel switch 3-10-5 in [description] form an electrical circuit to control the slewing drive mechanism; Figure 1 The battery compartment a in [description] supplies power to the electric three-wheel cleaning vehicle for driving and the slewing drive mechanism 3, Figure 1 The battery compartment b in [description] supplies power to the centrifugal fan 7-01 of the electric three-wheel cleaning vehicle; Figure 1 The sucker of the sucker slewing arm assembly 2 adjusts the lifting distance from the ground to be H, Figure 1 The slewing angle of the sucker slewing arm assembly 2 in the top view is 180 degrees, and its amplitude arm extension is L; Figure 1 The other parts are the carrier parts of the cleaning vehicle, which belong to conventional and mature technologies and are omitted from the description.

[0031] Figure 3The suction cup slewing arm assembly 2 of the electric three-wheeled cleaning vehicle of the present invention is composed of a suction cup 2-10 and a slewing arm 2-11 welded together through a flange 2-12. On the right side of the slewing arm 2-11, there is a flange 2-12 connected to the lower flange of the external spline sleeve 3-03 by bolts 2-13. The suction cup 2-10 is provided with a ground-touching buzzer power-off protection device, which is composed of a ball 2-01, an outer sleeve 2-03, a push rod 2-04, a compression spring 2-05, a switch base 2-06, a contact switch 2-07, a cover plate 2-08, screws 2-09 and a buzzer 11. The outer sleeve 2-03 is fixed in the hole at the corresponding position of the suction cup 2-10. During operation, when the ball 2-01 touches the ground, it pushes up the push rod 2-04 and the compression spring 2-05 upwards. Then, the push rod 2-04 pushes up the contact switch 2-07, the circuit is conducted, and the buzzer 11 buzzes. Through the action of the relay, the motor 3-06 is powered off, and the slewing transmission mechanism 3 and the suction cup slewing arm assembly 2 stop rotating. When the lifting control lever 4-02-5 is operated to raise the suction cup slewing arm, the ball 2-01 leaves the ground, the compression spring 2-05 rebounds, the push rod 2-04 leaves the contact point of the contact switch 2-07, the buzzer circuit is powered off, and the buzzer stops. Through the action of the relay on the motor of the slewing transmission mechanism 3, the circuit is conducted and returns to normal.

[0032] Figure 4 The assembly drawing of the slewing transmission mechanism 3 of the electric three-wheeled cleaning vehicle of the present invention. The machine base 3-02 is fixed on the upper plane of the supporting iron plate 3-17 on the longitudinal beam of the chassis behind the driver's seat of the cleaning vehicle. The guide sleeve 3-01 is installed in the middle hole on the upper plane of the machine base 3-02 and fastened with bolts 5-04. The holes of the nylon sleeves 3-09 on both sides of the upper plane of the machine base 3-02 are the guide holes for the left and right lifting rods 4-07. The combined flange assembly 3-04 is installed in the relief groove at the upper end of the external spline sleeve 3-03. The external spline sleeve 3-03 is assembled on the outer cylindrical surface of the guide sleeve 3-01. There are two grooves on the inner cylindrical surface of the external spline sleeve 3-03, and nylon tiles 3-15 and 3-14 are inlaid in the grooves as the friction pair with the outer cylindrical surface of the guide sleeve 3-01. The motor 3-06 is installed on the front vertical surface of the machine base 3-02. The motor foot bolts also serve to adjust the distance between the motor 3-06 and the internal spline large sprocket 3-05 to tension the drive chain. The small sprocket 3-08 is installed on the output shaft neck of the gearbox 3-07 and fixed with a key. The small sprocket 3-08 and the internal spline large sprocket 3-05 are in the same horizontal plane and are driven by a roller chain 3-16. The internal spline large sprocket 3-05 and the limit disc contact pin assembly 3-10 are sequentially assembled on the outer cylindrical surface of the external spline sleeve 3-03 with a spline fit from top to bottom. The lower end surface of the limit disc 3-10-1 is a nylon ring 3-12 installed in the concave table on the upper plane of the bottom plate of the machine base 3-02 as a wearing part. On the upper end surface of the internal spline large sprocket 3-05, there are opposed nylon stop blocks 3-11 fastened to the upper plane of the bottom plate of the machine base 3-02 to prevent the internal spline large sprocket 3-05 from moving upwards. During operation, when the power reversing switch 8 is started and the left handle 9 is rotated (see Figure 1In the N-direction view), start the motor 3-06 to rotate. The small sprocket 3-08 on the gearbox shaft 3-07 drives the large internal spline sprocket 3-05 and the external spline sleeve 3-03 to rotate through the chain 3-16, and drives the suction cup swing arm assembly 2 to rotate synchronously through the connecting flanges 3-13 and 2-12.

[0033] Figure 5 is Figure 4 It is a partial enlarged view of W of the assembly drawing of the slewing drive mechanism 3 in the figure, showing the structure that the combined flange 3-04-3, the ball 3-04-4 and the upper side of the relief groove of the external spline sleeve 3-03 form a planar thrust bearing.

[0034] Figure 6 、 Figure 7 The combined flange assembly 3-04 in the slewing drive mechanism 3 of the electric three-wheel cleaning vehicle of the present invention is assembled in the relief groove at the upper end of the external spline sleeve 3-03. The combined flange 3-04-3 is made into two semi-circles for positioning with a positioning pin and fastening with bolts due to the assembly process requirements. There are assembly holes for the lifting rods 4-07 on both sides of the combined flange 3-04-3. The upper concave surface step has a ball groove for arranging balls, which forms a planar rolling friction pair with the upper side plane of the relief groove of the external spline sleeve 3-03 to replace the planar thrust rolling bearing. The function of the combined flange 3-04-3 is that when the external spline sleeve 3-03 rises and falls, the rolling of the balls overcomes the rotational torque during the linear lifting and lowering of the external spline sleeve 3-03.

[0035] Figure 8 It is a view of the internal spline limit disc assembly 3-10 in the slewing drive mechanism 3 of the electric three-wheel cleaning vehicle of the present invention. The internal spline of the limit disc 3-10-1 rotates synchronously with the external spline of the external spline sleeve 3-03; there is a protruding touch pin 3-10-2 on the outer circular surface of the limit disc 3-10-1, and there are two fixed left limit travel switches 3-10-3 and right limit travel switches 3-10-5 that are 180 degrees apart on the upper plane of the bottom plate of the machine base 3-02; when the limit disc 3-10-1 rotates 180 degrees, the outer protruding touch pin 3-10-2 of the limit disc touches the other right limit travel switch 3-10-5, and through the action of the electrical circuit, the current is reversed, and the motor 3-06 rotates in reverse, and the slewing drive mechanism 3 and the suction cup swing arm assembly 2 rotate in reverse synchronously, completing the reciprocating 180-degree slewing function.

[0036] Figure 9 It is an assembly drawing of the lifting mechanism 4 of the electric three-wheel cleaning vehicle of the present invention, including a lifting control rod 4-02. The lifting mechanism 4 is arranged on the upper part of the slewing drive mechanism 3 and is composed of Figure 6As shown, the combined flange 3-04-3 is assembled in the relief groove of the external spline sleeve 3-03. The lower ends of the left and right lifting rods 4-07 are fixed to the holes on both sides of the combined flange 3-04-3 with screws 4-16. The upper ends of the left and right lifting rods 4-07 pass through the guiding holes of the nylon sleeves 3-09 on both sides of the machine base 3-02 and are fixed to the holes of the U-shaped grooves at both ends of the herringbone bracket 4-13 thereon with hollow bolts 4-09, forming a frame-shaped lifting combination guided by the nylon sleeve holes 3-09. Bolts 4-09 holes at both ends of the herringbone bracket 4-13 are each fixed with a steel wire rope that passes upward through the R grooves of the left pulley 04-11 and the right pulley 4-14 respectively and is fixed downward to the upper ends of the left and right tension springs 4-06. The lower ends of the left and right tension springs 4-06 are fixed to the tension spring seats 4-04 fixed to both sides of the machine base 3-02 with bolts. The function of the left and right tension springs 4-06 is to balance the self-weight of the suction cup swing arm and the external spline sleeve 3-03 and reduce the operating force of the operator. For the lifting of the mechanism, a steel wire rope 4-08 is fixed to the hole in the middle of the herringbone bracket 4-13. The other end of the steel wire rope 4-08 passes through the R groove of the middle pulley 4-12, the R groove of the No. 1 left pulley 4-10, down to the R groove of the lower pulley 4-01, and then to the R groove of the sector sheave 4-02-10 and is fixed; see Figure 10 , Figure 11 , Figure 9 The No. 1 left pulley 4-10 and the lower pulley 4-01 are vertically aligned. The lower pulley 4-01 is parallel to the sector sheave 4-02-10. The centers of the No. 1 left pulley 4-10 and the middle pulley 4-12 are higher than the center of the left pulley 4-11, and the steel wire ropes 4-08 will not interfere with each other.

[0037] Figure 10 This is the Figure 9 amplified view of the C part of the lifting control lever combination 4-02 and the lifting mechanism 4 of the electric three-wheel cleaning vehicle of the present invention, Figure 11 This is Figure 10D-direction view; the lifting control lever assembly 4-02 is arranged on the right side of the driver's seat and consists of a bolt 4-02-1, a shaft 4-02-2, a bearing 4-02-3, a bearing seat 4-02-4, a control lever 4-02-5, a pin 4-02-6, a small shaft 4-02-7, a torsion spring, a U-shaped clip 4-02-8, a grip 4-02-9, a gear position hole plate 4-02-12, and a sector sheave 4-02-10. It is assembled according to the drawing to form a lever structure and is arranged below the hand-held part of the control lever 4-02-5; the bearing seat 4-02-4 is fastened to the steel pipe column 4-02-11 under the right side of the seat with bolts. The cylindrical part of the bearing seat 4-02-4 is assembled into the hole of the steel pipe column 4-02-11, and the bearing 4-02-3 and the shaft 4-02-2 are installed in the bearing hole of the bearing seat 4-02-4; the control lever 4-02-5 is installed on the journal of the shaft 4-02-2 on the outside of the bearing seat 4-02-4; the sector sheave 4-02-10 is installed on the journal of the shaft 4-02-2 on the inside (under the seat) of the steel pipe column 4-02-11 and is assembled with a key and a nut according to the drawing; the operation method is: hold the control lever 4-02-5 tightly and grip the grip 4-02-9. Due to the lever action, pull out the gear position pin 4-02-6. See Figure 10 right, the schematic diagram of the pin being pulled out. For the operation requirement of visually observing the height of the suction cup 2-10 from the ground, push the control lever 4-02-5 forward or backward to the appropriate position and release the grip 4-02-9. Under the action of the torsion of the torsion spring 4-02-7, the gear position pin 4-02-6 is inserted into the hole of the gear position hole plate 4-02-12 for positioning.

[0038] Figure 12 Schematic diagram of the dust suction channel pipe assembly 5 of the electric three-wheel cleaning vehicle of the present invention. Figure 13 is Figure 12 E-direction view of the dust suction channel pipe assembly; the dust suction channel pipe assembly 5 is a welded structure of a straight pipe 5-01, an inclined pipe 5-05, and upper and lower flanges 5-02, 5-06. The lower end is a square-hole flange 5-06, a round-hole flange 5-08, and a gasket stacked on top of each other, and the square-hole flange 5-06, the round-hole flange 5-08, and the gasket 5-07 are fastened to the upper end face of the guide sleeve 2-01 with bolts 5-04; the rectangular flange 5-02 and the gasket on the upper side of the dust suction channel pipe assembly 5 are fastened to the inlet of the dust storage box with bolts 5-03. The ground garbage is sucked into the dust storage box through the suction cup 2-10 under negative pressure, through the rotary arm 2-11, and into the guide sleeve 3-01.

[0039] Figure 14Schematic diagram of the dust storage box assembly 6 of the electric three-wheeled cleaning vehicle of the present invention. The dust storage box assembly is located behind the driver's seat and above the rear two wheels of the electric three-wheeled vehicle. The dust storage box assembly is in an overall negative pressure environment during operation. The dust storage box assembly 6 is composed of a garbage outlet door 6-01, an internal thread rotary handle 6-02, a slope bottom plate 6-03, a partition column 6-04, a gasket 6-05, a vertical partition 6-06, a box body panel 6-07, a frame tube 6-08, a top cover 6-09, a top cover gasket 6-10, and a hinge 6-11. The garbage inlet of the dust storage box assembly 6 is in the front, and the garbage outlet door 06-01 is at a lower position behind the dust storage box assembly. The battery compartment b is in the lower front of the dust storage box assembly. The battery compartment b is an independent normal pressure compartment. The built-in negative pressure system assembly 7 is in the upper part inside the dust storage box assembly. A vertical partition 6-06 and a frame tube 6-08 for installing the negative pressure system assembly 7 are preset in the dust storage box. The top inspection hole cover 04-7 and the garbage outlet door 06-01 are both screwed and fixed to the dust storage box with a hinge 06-12 and then tightened and sealed with an internal thread handle 06-14. All doors and covers are sealed with gaskets. An open garbage bin is provided in the upper rear part of the dust storage box assembly for holding relatively large discarded items that cannot be sucked by the suction cup.

[0040] Figure 16 Schematic diagram of the negative pressure system assembly 7 of the electric three-wheeled cleaning vehicle of the present invention Figure 17 is Figure 16G-G cross-sectional view in the assembly drawing of the negative pressure system; installed in the upper middle part of the dust storage box, it consists of motor 7-01, fine filter 7-02, centrifugal fan 7-03, cylindrical filter element 7-04, filter element support 7-05, impeller support 7-06, bearing 7-07, key 7-08, impeller shaft 7-09, small pressing plate 7-10, inert impeller 7-11, coarse filter screen 7-12, bolt 7-13, U-shaped cylinder 7-14. The centrifugal fan 7-03 is installed on the front side of the partition plate 6-06, and the motor 7-01 is installed behind the partition plate 6-06 at the corresponding position of the centrifugal fan 7-03; the air fine filter 7-02 is installed at the air outlet of the centrifugal fan 7-03 and on the rear side of the partition plate 6-06; the U-shaped cylinder 7-14 is an air flow guiding part for the negative pressure air flow from the garbage inlet of the storage box assembly to the air inlet of the centrifugal fan 7-03. The upper end of the U-shaped cylinder 7-14 is fastened to the frame steel pipe 6-08 of the dust storage box body assembly 6 with bolts, the front end faces the inert impeller 7-11 and the garbage inlet of the dust storage box assembly, and the rear end is closely attached to the end face of the air inlet of the centrifugal fan 7-03; the filter element support 7-05 is installed at the front end of the U-shaped cylinder 7-14 and fastened to the wall of the U-shaped cylinder with bolts to support the front end of the cylindrical filter element 7-04. The rear end of the cylindrical filter element 7-04 is sleeved on the stop collar of the air inlet of the centrifugal fan 7-03; the impeller support 7-06 is installed in front of the filter element support 7-05 and fastened to the wall of the U-shaped cylinder 7-14 with bolts 7-13. The coarse filter screen 6-12 is between the impeller support 7-06 and the filter element support 7-05. The bearing hole in the middle of the impeller support 7-06 is equipped with a bearing 7-07, a key 7-08, and an impeller shaft 7-09. The inert impeller 7-11 is installed on the shaft head of the impeller shaft 7-09, and the inert impeller 7-11 faces the garbage inlet of the dust storage box assembly; during operation, the inert impeller 7-11 rotates and knocks off under the action of the wind pressure at the garbage inlet of the storage box assembly, sucking sundries such as leaves and paper scraps inhaled from the garbage inlet into the lower part of the storage box. The garbage dust gas is filtered by the coarse filter screen 7-12, further filtered by the U-shaped cylinder 7-14 and the cylindrical filter element 7-04, discharged after passing through the centrifugal fan 7-03 and then filtered by the fine filter 7-01; the method for cleaning the negative pressure system 7 is: open the top cover 6-09 of the dust storage box assembly 6 and clean it with compressed air.

[0041] Figure 18 Schematic diagram of the dust suction operation of the electric three-wheel cleaning vehicle of the present invention. The operation process is as follows: (1) Press the power button 10 to turn on the power, start the DC motor 7-01, and the centrifugal fan 7-03 rotates to suck air, and the pipeline spaces of the dust storage box, the garbage passage pipe, the guide sleeve, and the suction cup swing arm are all in a negative pressure state; (2) Operate Figure 1 the right turn handle in Figure 1The left turn handle 9 therein, in cooperation with the forward and reverse switch 8, controls the rotation speed of the suction cup slewing arm during scanning; (4) Operate the lifting handle of the joystick 4-02-5, visually observe and control the distance between the suction cup 02-10 and the ground at 2-4 cm. Garbage such as leaves and cigarette butts on the ground is sucked in by negative pressure. The garbage passes through the middle hole of the suction cup 2-10, slewing arm 2-11, and guide sleeve 3-01, enters through the inlet of the dust storage box, and is knocked down by the rotating inert impeller 7-08 to the lower part inside the dust storage box. The dust-laden air is coarsely filtered by the coarse filter screen 7-12 and then enters the U-shaped cylinder 7-14 and the cylindrical filter element 7-04 for filtration, and is finely filtered by the fine filter screen 7-02 and then discharged; The cleaning method of the negative pressure system is to open the top cover 6-09 of the dust storage box assembly 6 and clean it with compressed air.

Claims

1. The electric three-wheeled cleaning vehicle is composed of an electric tricycle as a carrier, supporting mechanical parts, and an electrical circuit composed of a left turn handle of the vehicle's steering faucet and a power reverse switch to operate and control the mechanical part, which sucks up ground garbage and stores and transports it; its characteristics are: The mechanical parts include a suction cup rotating arm assembly, a rotating transmission mechanism, a lifting mechanism, a garbage channel pipe assembly, a dust storage box assembly, and a negative pressure system assembly. A suction cup rotating arm assembly with a front bottom and a rear height, which performs reciprocating rotation scanning, lifting, and near-ground dust collection, is suspended and installed behind the front wheel of the vehicle and under the chassis of the vehicle. A rotating transmission mechanism for driving the suction cup rotating arm assembly to perform reciprocating rotation scanning is installed behind the driver's seat of the vehicle and on the longitudinal beam of the chassis of the vehicle. The lifting mechanism is assembled on the upper part of the rotating transmission mechanism. The dust storage box assembly is installed on the rear two wheels of the vehicle. The negative pressure system assembly is installed on the upper part of the dust storage box assembly. The garbage channel pipe assembly is installed behind the driver's seat of the vehicle to form a garbage transition channel from the suction cup rotating arm assembly, the rotating transmission mechanism to the dust storage box assembly.

2. The electric three-wheeled cleaning vehicle according to claim 1 is characterized in that: The suction cup rotating arm assembly consists of a suction cup and a rotating arm. The rotating arm is a welded structure. The suction cup is composed of a ball, a nylon ring, a sleeve, a push rod, a compression spring, a switch seat, a contact switch, a small cover plate, and screws. The suction cup is installed under the rotating arm, and the rotating arm is connected to the rotating transmission mechanism through a flange and bolts.

3. The electric three-wheeled cleaning vehicle according to claim 2 is characterized in that: The ground contact buzzer assembly is installed at the corresponding position of the suction cup.

4. The electric three-wheeled cleaning vehicle according to claim 1 is characterized in that: The rotary transmission mechanism is assembled by a guide sleeve, a machine base, an external spline sleeve, a combined flange assembly, an internal spline large sprocket, a motor, a gear box, a small sprocket, a nylon guide sleeve, a limit plate contact pin assembly, a nylon stopper, a nylon ring, a lower flange of an external spline sleeve, a long nylon ring, a short nylon ring, a roller chain, and a supporting iron plate; wherein the combined flange assembly is composed of a combined flange, a nut, a positioning pin shaft, and a ball; wherein the limit plate contact pin assembly is composed of an internal spline limit plate, a contact pin, a reversing stroke The device is composed of a switch and a screw, which is a limit stroke automatic reversal combination; wherein the motor, the small sprocket, the large sprocket with internal splines, the external spline sleeve and the internal spline limit plate are all driven by splines; the combined flange assembly of the transmission mechanism is a combined structure positioned by a pin shaft, and the upper end surface has a ball groove to arrange the balls to offset the torque of the mechanism that is raised and lowered and rotated at the same time; the internal spline limit plate of the transmission mechanism rotates synchronously with the spline and the spline sleeve, and is fixed to the reversing stroke switch of the machine base with a contact pin to form a limit reversal device.

5. The electric three-wheeled cleaning vehicle according to claim 1 is characterized in that: The lifting mechanism is composed of a lifting lever assembly installed on a lower pulley; wherein the lifting lever assembly is composed of bolts, shafts, bearings, bearing seats, joysticks, latches, small shafts, torsion springs, shaped clips, handles, fan-shaped groove wheels, column square steel pipes, and fan-shaped eyelet plates; wherein a spring balancing mechanism assembled from spring pull rod screws, spring seats, bolts, tension springs, lifting rods, steel wire ropes, hollow bolts, left pulleys, middle pulleys, herringbone brackets, and right pulleys is used to balance the deadweight of the suction cup rotary arm; the pulley shafts of the left pulley, middle pulley, and right pulley of the lifting mechanism are supported by the steel pipe behind the left seat of the car, and the center lines of the left pulley and the middle pulley are higher than the center line of the right pulley; the lifting lever assembly is fixed to the lower steel pipe column on the right side of the driver's seat through the bearing seat, and the joystick is operated to push and pull the angle of the fan-shaped groove wheel to pull the steel wire rope to lift the lifting mechanism, and the latch of the joystick and the latch eyelet plate fixed to the right side of the driver's seat are stepped lifting.

6. The electric three-wheeled cleaning vehicle according to claim 1 is characterized in that: The garbage channel pipe assembly is assembled from a straight pipe, an upper side flange, bolts, an inclined pipe, a square hole flange, a sealing gasket, and a round hole flange; the lower end of the garbage channel pipe assembly is connected to the guide sleeve of the transmission mechanism by a flange, and the upper side of the garbage channel pipe assembly is fastened to the garbage inlet of the dust storage box assembly by a flange, forming a complete channel for the garbage to be sucked into the dust storage box by the suction cup.

7. The electric three-wheeled cleaning vehicle according to claim 1 is characterized in that: The dust storage box assembly is located above the rear two wheels of the vehicle and is provided with a garbage outlet door, an internal threaded handle, a slope bottom plate, a partition column, a sealing gasket, a vertical partition, a box panel, a frame pipe, a top cover, and a top cover sealing gasket.

8. The electric three-wheeled cleaning vehicle according to claim 7 is characterized in that: A garbage inlet is located above the front end of the dust storage box, a power button and a buzzer are arranged above the front end, a top cover is arranged on the top of the dust storage box, a garbage outlet door is arranged at the rear lower part, and an open bin is arranged at the rear of the dust storage box to store larger man-made discards that cannot be sucked up by the suction cup.

9. The electric three-wheeled cleaning vehicle according to claim 1 is characterized in that: The negative pressure system assembly is built into the dust storage box assembly and mounted on the vertical partition of the dust storage box to create negative pressure for the suction cup and the pipe to suck away the garbage on the ground and filter the dusty air; it is assembled from a motor, an air outlet fine filter, a centrifugal fan, a cylindrical filter element, a filter element bracket, an impeller bracket, a bearing, a key, an impeller shaft, an impeller pressure plate, an inert impeller, a coarse filter, bolts, and a cylindrical cylinder; the inert impeller is coaxially mounted on the vertical partition and the frame tube from back to front, the inert impeller faces the garbage inlet of the dust storage box, and the fine filter is mounted at the centrifugal fan outlet.

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