CN106963298A - A kind of small intelligent cleans car - Google Patents

Abstract

Car is cleaned the invention discloses a kind of small intelligent, is made up of vehicle body, front axle assembled portion, rear axle assembled portion, ceramic tile Wiping mechanism, hand steered handle, refuse bag supporting mechanism, broom mechanism, mop mechanism, watering mechanism and intelligent control circuit part.A kind of small intelligent cleaning car of the present invention completes the cleaning action that floor cleaning, watering, Floor mop sassafras and foundation ceramic tile are wiped by intelligent control and driven by power, so that the floor in moderate area place and the cleaning of foundation ceramic tile are more convenient, greatly reduce human cost, it is economical and practical, and just realize the function that floor cleaning, watering, Floor mop sassafras and foundation ceramic tile are wiped by simple several mechanical structure combinations, cleaning efficiency is high, manufacturing cost is lower, it is simple in construction durable, working stability, it is easier to promote the use of.

Description

A small intelligent cleaning vehicle

technical field

The invention relates to the field of cleaning vehicle design, in particular to a small intelligent cleaning vehicle.

Background technique

In daily life, cleaning the ground is an essential labor item. The traditional floor cleaning is to use a hand-held mop. During the cleaning process, people need to bend over to mop the floor, while the cleaning of wall tiles is mainly done manually. When cleaning and mopping medium-sized places such as station waiting halls, supermarkets, playgrounds, and office buildings, etc. When the floor and wall tiles are used, the shortcomings of manual cleaning time-consuming and low work efficiency appear. Moreover, manual cleaning of floor and wall tiles in medium-sized places requires a large labor force, which also increases the cost of manual cleaning. At present, most of the cleaning vehicles on the market have a large body volume, high manufacturing cost, high fuel consumption, and are not convenient enough to use. They are only suitable for floor cleaning in larger areas. Environmentally friendly, small smart cleaning vehicle suitable for medium-sized places and capable of cleaning floor and wall tiles at the same time.

Contents of the invention

The purpose of the present invention is to provide a small intelligent cleaning vehicle, which integrates the functions of floor cleaning, watering, floor mopping and corner tile wiping, is economical and practical, does not require gasoline, is environmentally friendly, and is easier to popularize and use. Simultaneously, the overall structure of the present invention is relatively simple and light, stable in operation and excellent in performance.

The present invention achieves the above object through the following technical solutions:

A small intelligent cleaning vehicle is composed of a body, a front axle assembly part, a rear axle assembly part, a tile wiping mechanism, a hand handle, a garbage bag support mechanism, a broom mechanism, a mop mechanism, a sprinkler mechanism and an intelligent control circuit;

The handrail is composed of a handrail and a handgrip. Two identical handrails are respectively set on the ends of the two same handrails, and the front ends of the two handrails are respectively fixed on the left and right sides of the vehicle body. ;

The garbage bag supporting mechanism is composed of a garbage bag frame, a garbage bag frame slot and a garbage bag frame fixing block. It is fixed on the left side of the garbage bag holder and can only move along the card slot of the garbage bag holder;

The front axle assembly part is composed of steering rod, front wheel axle, wheel support frame, steering gear, steering rack, steering motor, steering motor seat, front wheel, connecting rod and pin. The upper ends of two identical wheel support frames The two ends of the steering rod are respectively fixed on the front side of the bottom of the vehicle body. The two ends of the steering rod are assembled in the two wheel support frames. The two ends of the steering rod are respectively fixed with one end of two identical connecting rods. The two identical front wheel axles are assembled on the two wheel support frames through two identical pins, and the two identical front wheels are fixedly assembled on the outermost sides of the two front wheel axles respectively, and the steering motor seat is fixed on the front of the vehicle body bottom. In the middle of the side, the steering motor is fixed on the steering motor seat, the steering rack is fixed in the middle of the steering rod, the steering gear is fixed on the rotating shaft of the steering motor, and the steering gear meshes with the steering rack;

The rear axle assembly part is made up of a driving gear, a rear wheel half shaft, a driving pinion, a rear axle bearing, a rear axle bearing seat, a drive motor seat, a drive motor, a rear wheel and a mop rotating block, and two identical rear axles The bearing housings are respectively fixed at both ends of the rear side of the bottom of the vehicle body. Two identical rear axle bearings are respectively sleeved in the two rear axle bearing housings. Two identical rear wheel half shafts are respectively assembled on the two rear axle bearings. Two identical rear wheels are respectively fixedly assembled on the outer ends of the two rear wheel semi-axles, the two sides of the lower ends of the two identical mop rotating blocks are respectively fixedly connected with the inner ends of the two rear wheel semi-axles, and the driving motor seat is fixed on the vehicle body. At the left end of the rear side of the bottom, the drive motor is fixed on the drive motor seat, the large drive gear is mounted and fixed on the rear wheel axle shaft at the left end of the rear side of the bottom of the vehicle body, the small drive gear is mounted and fixed on the rotating shaft of the drive motor, the large drive gear and the small drive gear gear meshing;

The sprinkler mechanism is composed of a sprinkler head, a water tank, a water tank cover, a water pipe switch and a water pipe; the sprinkler head is fixed on the bottom of the vehicle body, the water tank is fixed on the rear end of the vehicle body, a water tank cover is provided above the water tank, and a water pipe is provided below the water tank , the water pipe switch is set on the water pipe, the water pipe is fixed on the vehicle body, and the end of the water pipe is connected with the sprinkler head;

The tile wiping mechanism is composed of a tile wiping head and a tile wiping fixing rod, one end of the tile wiping fixing rod is fixed to the vehicle body, and the other end is fixed to the tile wiping head;

The mop mechanism is composed of a fixed support, a fixed support hinge, a telescopic fixed rod, a telescopic rod, a mop rod, a mop body, a mop rod connecting hinge, a mop rod support hinge and a telescopic rod support hinge; two identical fixed supports Fixed at both ends of the bottom of the car body, the upper ends of the two identical telescopic fixed rods are respectively connected to the two fixed supports through two identical fixed support hinges, and one end of the two identical telescopic rods is respectively sleeved on the two telescopic fixed rods. Inside the rod, the telescopic rod moves axially along the telescopic fixed rod. The other ends of the two telescopic rods are respectively connected to the mop body through two identical telescopic rod support hinges. The rotating block is connected, and the other end of the mop rod is connected with the mop body through the mop rod supporting hinge;

The broom mechanism is composed of a broom, a broom holder, a broom holder support frame, a front roller, a rear roller, a roller frame, a roller gear, a roller pinion, a roller motor seat and a roller motor; One end of the bracket support frame is fixedly connected with the broom holder, the other end is fixedly connected with the vehicle body, the roller frame is installed on the upper end of the broom holder, the two ends of the roller frame are respectively fixedly connected with the vehicle body, the two ends of the rear roller are respectively hinged with the two ends of the roller frame, the front The two ends of the drum are respectively hinged with the two ends of the drum frame. The broom ring is installed on the front drum and the rear drum. The drum motor seat is installed on the front end of the left outer side of the vehicle body. On the rotating shaft, the large drum gear is fixed on the rear drum, and the large drum gear meshes with the small drum gear;

The intelligent control circuit is divided into six parts: a single chip microcomputer, a driving part, a photoelectric switch, a crystal oscillator circuit, a reset circuit and a WiFi module. As the controller of the intelligent control circuit, the single-chip microcomputer coordinates the input and output and data acquisition and processing; the driving part is used to receive the instructions issued by the single-chip microcomputer, drive and control the turning on and off of the steering mechanism motor, the driving motor and the drum motor; the photoelectric switch is used to detect the Describe whether the small intelligent cleaning vehicle encounters obstacles when moving forward, and transmit signals to the single-chip microcomputer; the crystal oscillator circuit provides clock pulses for the single-chip microcomputer to ensure the normal operation of the single-chip microcomputer; the function of the reset circuit is to make the single-chip microcomputer return to the initial state Status; the WiFi module is used to receive the operation instructions from the mobile phone APP of the staff, and transmit the instruction information to the single-chip microcomputer.

The vehicle body is an open cuboid shape composed of four steel plates;

The card slot of the garbage bag holder is arc-shaped;

The broom is in the shape of an annular belt with a brush on the surface;

The garbage bag frame is in the shape of a rectangular parallelepiped.

Before the small intelligent cleaning vehicle works, open the water tank cover, inject water into the water tank, put the garbage bag in the garbage bag holder, push the garbage bag holder fixing block to slide down along the garbage bag holder slot to extreme position.

When the small-sized intelligent cleaning vehicle is working, firstly, the internal operating system of the intelligent control circuit is initialized, that is, the working process data of the last working time is cleared. After initialization, control is carried out according to the cleanliness of the cleaned road surface: according to the actual situation, input commands to the small intelligent cleaning vehicle, and there are two input commands, namely, a straight line command and a turn command. First, the input command is judged. When a turn command is input, the small smart cleaning vehicle turns; when a straight line command is input, the small smart cleaning vehicle goes straight. When the small intelligent cleaning vehicle moves, the photoelectric switch will detect whether there is an obstacle in front of the cleaning vehicle. When there is an obstacle in front, the cleaning vehicle will stop and wait for the operator's instruction.

After the small-sized intelligent cleaning vehicle receives the input command, the driving motor starts, the driving motor rotates and drives the driving pinion to rotate, and the driving gear and the rear wheel half shaft are driven to rotate through the meshing action of the gears, so that the said one The small intelligent cleaning vehicle moves forward; when the small intelligent cleaning vehicle moves forward, the rear wheel semi-axis rotates, and the mop rod moves under the drive of the mop rod rotating block, thereby driving the mop body to move forward and backward, realizing the described one. The mopping function of a small-sized intelligent cleaning vehicle; when the small-sized intelligent cleaning vehicle starts to clean garbage, the drum motor starts, the drum motor rotates and drives the small gear of the drum to drive, and the meshing action of the gears drives the large gear of the drum and the rear drum to rotate , so as to drive the broom and the front roller to rotate together, and sweep the garbage on the ground into the garbage bag along the broom holder, so as to realize the ground cleaning function of the small intelligent cleaning vehicle; when the small intelligent cleaning vehicle needs to turn, The steering mechanism motor starts, the steering mechanism motor rotates and drives the steering gear to rotate, the steering gear and the steering rack are meshed in the steering direction, so that the steering rod moves accordingly, driving the front wheel axle to make a plane movement, and then driving the front wheel to rotate, thus Realize the steering function of the small intelligent cleaning vehicle; a cleaning rag is installed on the tile wiping head, and the tile wiping head contacts the wall tiles when the small intelligent cleaning vehicle advances, thereby realizing the function of the small intelligent cleaning vehicle The side tile cleaning function of the small intelligent cleaning vehicle; when the small intelligent cleaning vehicle is moving forward, the water pipe switch is turned on, and the water in the water tank is sprinkled along the water pipe through the sprinkler head, thereby realizing the water sprinkling function of the small intelligent cleaning vehicle; After the work of a small intelligent cleaning vehicle is completed, push the fixed block of the garbage bag holder to slide up to the limit position along the slot of the garbage bag holder, take out the garbage bag, and complete the whole cleaning work.

The outstanding advantages of the present invention are:

1. The small intelligent cleaning vehicle of the present invention completes the cleaning actions of floor cleaning, watering, mopping the floor and wiping the corner tiles through electric power, which makes the cleaning of the floor and corner tiles in medium-sized places more convenient, energy-saving and environmentally friendly, and greatly reduces Labor cost, economical and practical.

2. The small intelligent cleaning vehicle of the present invention realizes the functions of floor cleaning, water sprinkling, floor mopping and corner tile wiping through the combination of several simple mechanical structures. It has high cleaning efficiency, convenient use, lower manufacturing cost and simple structure Durable, stable work, easier to popularize and use.

Description of drawings

Fig. 1 is a view of the overall structure of a small intelligent cleaning vehicle according to the present invention.

Fig. 2 is a side structural view of the small intelligent cleaning vehicle according to the present invention.

Fig. 3 is a bottom structural view of the small intelligent cleaning vehicle according to the present invention.

Fig. 4 is a structural view of the mop mechanism at the bottom of the small intelligent cleaning vehicle according to the present invention.

Fig. 5 is a structural view of the rear wheel assembly part at the bottom of the small intelligent cleaning vehicle according to the present invention.

Fig. 6 is a structural view of the assembly part of the front wheel at the bottom of the small intelligent cleaning vehicle according to the present invention.

Fig. 7 is a view of the steering structure of the front wheel assembly part at the bottom of the small intelligent cleaning vehicle according to the present invention.

Fig. 8 is a partially enlarged view of I in Fig. 1 .

Fig. 9 is a partially enlarged view of II in Fig. 2 .

Fig. 10 is a partially enlarged view of III in Fig. 2 .

Fig. 11 is a circuit diagram of the intelligent control part of the small intelligent cleaning vehicle according to the present invention.

Fig. 12 is a working flow chart of the small intelligent cleaning vehicle of the present invention.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and embodiments. Apparently, the embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11 and Fig. 12, a small intelligent cleaning vehicle consists of a body 4, a front axle Assembly part, rear axle assembly part, tile wiping mechanism, hand handle, garbage bag support mechanism, broom mechanism, mop mechanism, sprinkler mechanism and intelligent control circuit;

The hand handle is composed of a hand handle 2 and a hand handle 1. Two identical hand handles 1 are respectively set on the ends of two same hand handles 2, and the front ends of the two hand handles 2 are respectively fixed on The left and right sides of the vehicle body 4;

Described garbage bag supporting mechanism is made up of garbage bag holder 3, garbage bag holder groove 40 and garbage bag holder fixing block 39, and the left side of vehicle body 4 is provided with garbage bag holder groove 40, and garbage bag holder fixing piece 39 is enclosed within garbage bag holder. The bag holder slot 40 is fixed on the left side of the garbage bag holder 3, and can only move along the garbage bag holder slot 40;

The front axle assembly part is made up of steering rod 35, front wheel axle 32, wheel support frame 33, steering gear 37, steering rack 38, steering motor 17, steering motor seat 18, front wheel 6, connecting rod 51 and pin 36 , the upper ends of two identical wheel support frames 33 are respectively fixed on the bottom front two ends of the vehicle body 4, and the two ends of the steering rod 35 are assembled in the two wheel support frames 33, and the two ends of the steering rod 35 are respectively connected with two identical One end of connecting rod 51 is fixed, and the other end of two connecting rods and two identical front wheel axles 32 are assembled on two wheel support frames 33 by two identical pins 36 respectively, and two identical front wheels 6 respectively Fixedly assembled on the outermost sides of the two front wheel axles 32, the steering motor mount 18 is fixed in the middle of the front side of the bottom of the vehicle body 4, the steering motor 17 is fixed on the steering motor mount 18, the steering rack 38 is fixed in the middle of the steering rod 35, and the steering gear 37 is fixed on the rotating shaft of steering motor 17, and steering gear 37 meshes with steering rack 38;

Described rear axle assembly part is made up of driving bull gear 20, rear wheel axle shaft 25, driving pinion 27, rear axle bearing 30, rear axle bearing seat 31, driving motor seat 28, driving motor 29, rear wheel 5 and mop rotating block 21, two identical rear axle bearing housings 31 are respectively fixed at both ends of the rear side of the bottom of the vehicle body 4, and two identical rear axle bearings 30 are respectively sleeved in two rear axle bearing housings 31, and two identical rear axle bearing housings 31 Half shaft 25 is assembled on two rear axle bearings 30 respectively, and two identical rear wheels 5 are respectively fixedly assembled on the outer ends of two rear wheel half shafts 25, and the lower end both sides of two identical mop rotating blocks 21 are respectively connected with The inner ends of the two rear wheel half shafts 25 are fixedly connected, the driving motor seat 28 is fixed on the rear left end of the bottom of the vehicle body 4, the driving motor 29 is fixed on the driving motor seat 28, and the driving gear 20 is installed and fixed on the rear left end of the bottom of the vehicle body 4 On the rear wheel axle shaft 25 of the rear wheel, the drive pinion 27 is installed and fixed on the rotating shaft of the drive motor 29, and the drive bull gear 20 meshes with the drive pinion 27;

Described sprinkling mechanism is made up of sprinkler head 34, water tank 48, water tank mouth cover 47, water pipe switch 49 and water pipe 50; The water tank cover 47, the water tank 48 is provided with a water pipe 50 below, the water pipe switch 49 is located on the water pipe 50, the water pipe 50 is fixed on the vehicle body 4, and the end of the water pipe 50 is connected with the sprinkler head 34;

The tile wiping mechanism is composed of a tile wiping head 10 and a tile wiping fixing rod 11, one end of the tile wiping fixing rod 10 is fixed to the vehicle body 4, and the other end is fixed to the tile wiping head 11;

Described mop mechanism consists of fixed support 16, fixed support hinge 15, telescopic fixed rod 14, telescopic rod 13, mop rod 24, mop body 12, mop rod connection hinge 22, mop rod support hinge 23 and telescopic rod support hinge 26 Composition; two identical fixed bearings 16 are fixed on the two ends in the middle of the bottom of the vehicle body 4, and the upper ends of the two identical telescopic fixed rods 14 are respectively connected to the two fixed bearings 16 through two identical fixed bearing hinges 15, the two One end of two identical telescopic rods 13 is respectively sleeved in two telescopic fixed rods 14, and the telescopic rods 13 move axially along the telescopic fixed rods 14, and the other ends of the two telescopic rods 13 support hinges 26 respectively through two identical telescopic rods. Connected to the mop body 12, one end of the mop rod 24 is connected to two identical mop rotating blocks 21 through a mop rod connecting hinge 22, and the other end of the mop rod 24 is connected to the mop body 12 through a mop rod supporting hinge 23;

The broom mechanism is composed of a broom 9, a broom holder 44, a broom holder support frame 19, a front roller 46, a rear roller 43, a roller frame 45, a roller gear 42, a roller pinion 41, a roller motor seat 7 and a roller motor 8; The broom holder 44 is installed on the front end bottom of the vehicle body 4, and the broom holder support frame 19 one end is fixedly connected with the broom holder 44, and the other end is fixedly connected with the vehicle body 4, and the roller holder 45 is installed on the upper end of the broom holder 44, and the roller holder 45 two ends are connected with the broom holder respectively. The vehicle body 4 is fixedly connected, the two ends of the rear drum 43 are respectively hinged with the two ends of the drum frame 45, the two ends of the front drum 46 are respectively hinged with the two ends of the drum frame 45, and the broom 9 is annularly closed and installed on the front drum 46 and the rear drum 43. The motor base 7 is installed on the left outer front end of the vehicle body 4, the drum motor 8 is fixed on the drum motor base 7, the drum pinion 41 is fixed on the rotating shaft of the drum motor 8, the drum gear 42 is fixed on the rear drum 43, and the drum gear 42 Mesh with drum pinion 41;

The intelligent control circuit is divided into six parts: a single chip microcomputer 54 , a driving part 55 , a photoelectric switch 57 , a crystal oscillator circuit 53 , a reset circuit 56 and a WiFi module 52 . The single-chip microcomputer 54 is used as the controller of the intelligent control circuit to coordinate input and output and data acquisition and processing; the driving part 55 is used to receive the instructions sent by the single-chip microcomputer 54, and drive and control the opening and stopping of the steering mechanism motor 17, the driving motor 29 and the drum motor 8; Whether photoelectric switch 57 runs into obstacle when being used for detecting described small-sized intelligent cleaning vehicle to advance, and transmits signal to single-chip microcomputer 54; Crystal oscillator circuit 53 provides clock pulse for single-chip microcomputer 54, to guarantee the normal operation of single-chip microcomputer 54; Reset circuit 56 acts as When the single-chip microcomputer 54 starts or makes an error, the single-chip microcomputer 54 is returned to the initial state; the WiFi module 52 is used to receive the operation instructions from the mobile phone APP of the staff, and transmit the instruction information to the single-chip microcomputer 54.

Described vehicle body 4 is the open cuboid shape that is made of four steel plates;

The card slot 40 of the garbage bag holder is arc-shaped;

The broom 9 is in the shape of an annular belt with a brush on the surface;

Described garbage bag frame 3 is rectangular parallelepiped frame shape.

Before the small-sized intelligent cleaning vehicle works, open the water tank cover 47, inject water into the water tank 48, put the garbage bag in the garbage bag holder 3, push the garbage bag holder fixing block 39 along the garbage bag holder slot 40 slide down to the limit position.

When the small-sized intelligent cleaning vehicle is working, firstly, the internal operating system of the intelligent control circuit is initialized, that is, the working process data of the last working time is cleared. After initialization, control is carried out according to the cleanliness of the cleaned road surface: according to the actual situation, input commands to the small intelligent cleaning vehicle, and there are two input commands, namely, a straight line command and a turn command. First, the input command is judged. When a turn command is input, the small intelligent cleaning vehicle turns; when a straight line command is input, the small intelligent cleaning vehicle goes straight. When the small intelligent cleaning vehicle moves, the photoelectric switch 57 can detect whether there is an obstacle in front of the cleaning vehicle. When there is an obstacle in front, the cleaning vehicle will stop and wait for the operator's instruction.

After the described small-sized intelligent cleaning vehicle receives the input command, the drive motor 29 starts, the drive motor 29 rotates and drives the drive pinion 27 to rotate, and the engagement of the gears drives the drive gear 20 and the rear wheel half shaft 25 to rotate, thereby Make the small-sized intelligent cleaning vehicle move forward; when the small-sized intelligent cleaning vehicle moves forward, the rear wheel half shaft 25 rotates, and the mop rod 24 moves under the drive of the mop rod rotating block 21, thereby driving the mop The body 12 moves back and forth to realize the mopping function of the small-sized intelligent cleaning vehicle; when the small-sized intelligent cleaning vehicle starts to clean the garbage, the drum motor 8 is started, and the drum motor 8 rotates and drives the drum pinion 41 for transmission. The meshing effect of the gears drives the roller gear 42 and the rear roller 43 to rotate, thereby driving the broom 9 and the front roller 46 to rotate together, sweeping the garbage on the ground into the garbage bag along the broom holder 44, and realizing the described small-sized intelligent cleaning vehicle. ground cleaning function; when the small-sized intelligent cleaning vehicle needs to turn, the steering mechanism motor 17 starts, the steering mechanism motor 17 rotates and drives the steering gear 37 to rotate, and the steering gear 37 and the steering rack 38 mesh toward the steering direction, so that Steering rod 35 moves thereupon, drives front wheel axle 32 to do planar motion, and then drives front wheel 6 to rotate, thereby realizes the steering function of described a kind of small-sized intelligent cleaning vehicle; Cleaning rag is installed on the ceramic tile wiping head 10, described When a small intelligent cleaning vehicle advances, the tile wiping head 10 contacts the wall tiles, thereby realizing the side tile cleaning function of the small intelligent cleaning vehicle; when the small intelligent cleaning vehicle advances, the water pipe switch 49 is turned on, and the water tank The water in 48 spills out along water pipe 50 by sprinkler head 34, thereby realizes the sprinkling function of described a kind of small-sized intelligent cleaning vehicle; Garbage bag holder draw-in slot 40 slides up to limit position, takes out garbage bag, completes whole cleaning work.

Claims (5)

1. A small-sized intelligent cleaning vehicle, characterized in that, the described small-sized intelligent cleaning vehicle consists of a vehicle body, a front axle assembly part, a rear axle assembly part, a tile wiping mechanism, a hand handle, a garbage bag support mechanism, a broom mechanism, a mop Mechanism, sprinkling mechanism and intelligent control circuit; The handrail is composed of a handrail and a handgrip. Two identical handrails are respectively set on the ends of the two same handrails, and the front ends of the two handrails are respectively fixed on the left and right sides of the vehicle body. ; The garbage bag support mechanism is composed of a garbage bag frame, a garbage bag frame slot and a garbage bag frame fixing block. The left side of the vehicle body is provided with a garbage bag frame slot, and the garbage bag frame fixing block is fixed on the left side of the garbage bag frame. The fixed block of the garbage bag holder is set in the slot of the garbage bag holder, and can only move along the slot of the garbage bag holder; The front axle assembly part is composed of steering rod, front wheel axle, wheel support frame, steering gear, steering rack, steering motor, steering motor seat, front wheel, connecting rod and pin. The upper ends of two identical wheel support frames The two ends of the steering rod are respectively fixed on the front side of the bottom of the vehicle body. The two ends of the steering rod are assembled in the two wheel support frames. The two ends of the steering rod are respectively fixed with one end of two identical connecting rods. The two identical front wheel axles are assembled on the two wheel support frames through two identical pins, and the two identical front wheels are fixedly assembled on the outermost sides of the two front wheel axles respectively, and the steering motor seat is fixed on the front of the vehicle body bottom. In the middle of the side, the steering motor is fixed on the steering motor seat, the steering rack is fixed in the middle of the steering rod, the steering gear is fixed on the rotating shaft of the steering motor, and the steering gear meshes with the steering rack; The rear axle assembly part is made up of a driving gear, a rear wheel half shaft, a driving pinion, a rear axle bearing, a rear axle bearing seat, a drive motor seat, a drive motor, a rear wheel and a mop rotating block, and two identical rear axles The bearing housings are respectively fixed at both ends of the rear side of the bottom of the vehicle body. Two identical rear axle bearings are respectively sleeved in the two rear axle bearing housings. Two identical rear wheel half shafts are respectively assembled on the two rear axle bearings. Two identical rear wheels are respectively fixedly assembled on the outer ends of the two rear wheel semi-axles, the two sides of the lower ends of the two identical mop rotating blocks are respectively fixedly connected with the inner ends of the two rear wheel semi-axles, and the driving motor seat is fixed on the vehicle body. At the left end of the rear side of the bottom, the drive motor is fixed on the drive motor seat, the large drive gear is mounted and fixed on the rear wheel axle shaft at the left end of the rear side of the bottom of the vehicle body, the small drive gear is mounted and fixed on the rotating shaft of the drive motor, the large drive gear and the small drive gear gear meshing; The sprinkler mechanism is composed of a sprinkler head, a water tank, a water tank cover, a water pipe switch and a water pipe; the sprinkler head is fixed on the bottom of the vehicle body, the water tank is fixed on the rear end of the vehicle body, a water tank cover is provided above the water tank, and a water pipe is provided below the water tank , the water pipe switch is set on the water pipe, the water pipe is fixed on the vehicle body, and the end of the water pipe is connected with the sprinkler head; The tile wiping mechanism is composed of a tile wiping head and a tile wiping fixing rod, one end of the tile wiping fixing rod is fixed to the vehicle body, and the other end is fixed to the tile wiping head; The mop mechanism is composed of a fixed support, a fixed support hinge, a telescopic fixed rod, a telescopic rod, a mop rod, a mop body, a mop rod connecting hinge, a mop rod support hinge and a telescopic rod support hinge; two identical fixed supports Fixed at both ends of the bottom of the car body, the upper ends of the two identical telescopic fixed rods are respectively connected to the two fixed supports through two identical fixed support hinges, and one end of the two identical telescopic rods is respectively sleeved on the two telescopic fixed rods. Inside the rod, the telescopic rod moves axially along the telescopic fixed rod. The other ends of the two telescopic rods are respectively connected to the mop body through two identical telescopic rod support hinges. The rotating block is connected, and the other end of the mop rod is connected with the mop body through the mop rod supporting hinge; The broom mechanism is composed of a broom, a broom holder, a broom holder support frame, a front roller, a rear roller, a roller frame, a roller gear, a roller pinion, a roller motor seat and a roller motor; One end of the bracket supporting frame is fixedly connected with the broom holder, the other end is fixedly connected with the vehicle body, the roller frame is installed on the upper end of the broom holder, the two ends of the roller frame are respectively fixedly connected with the vehicle body, and the two ends of the rear roller are respectively hinged with the two ends of the roller frame, The two ends of the front roller are respectively hinged with the two ends of the roller frame. The broom is ring-shaped and installed on the front roller and the rear roller. The roller motor seat is installed on the front end of the left outer side of the vehicle body. On the rotating shaft of the drum motor, the drum gear is fixed on the rear drum, and the drum gear meshes with the drum pinion; The intelligent control circuit is divided into six parts: single-chip microcomputer, driving part, photoelectric switch, crystal oscillator circuit, reset circuit, and WiFi module. The single-chip microcomputer is used as the controller of the intelligent control circuit to coordinate input and output and data acquisition and processing; The instructions sent by the single-chip microcomputer drive and control the opening and stopping of the steering motor, the drive motor and the drum motor; the photoelectric switch is used to detect whether the small intelligent cleaning vehicle encounters obstacles when it advances, and transmits signals to the single-chip microcomputer; The clock pulse is used to ensure the normal operation of the single-chip microcomputer; the function of the reset circuit is to make the single-chip microcomputer return to the initial state when the single-chip microcomputer starts or makes an error; the WiFi module is used to receive the operation instructions from the mobile phone APP of the staff, and transmit the instruction information to the single-chip microcomputer. 2. A small intelligent cleaning vehicle according to claim 1, characterized in that the vehicle body is an open cuboid shape composed of four steel plates. 3. A small intelligent cleaning vehicle according to claim 1, wherein said garbage bag holder slot is arc-shaped. 4. A small intelligent cleaning vehicle according to claim 1, the broom is in the shape of an endless belt with brushes on the surface. 5. A small intelligent cleaning vehicle according to claim 1, the garbage bag holder is in the shape of a rectangular parallelepiped frame.