CN108143344B - A vacuum cleaning trolley with large adsorption force - Google Patents

Abstract

The invention discloses a dust collection type cleaning trolley with large adsorption capacity, which comprises a bottom plate, a dust collection module, a dust generation module, a turnover module, a driving module, a wall adsorption module and a control module, wherein the dust collection module is fixed on the bottom plate through bolts; the wall surface adsorption module is arranged on the bottom plate and used for adsorbing the whole cleaning trolley on a vertical wall surface; according to the invention, the lifting of part of the structure is realized by the cooperation of the air cylinder and the hinge, so that the dust collection cleaning trolley can be applied to the dust collection of complex surfaces; the wall adsorption module is designed, so that the dust collection cleaning trolley realizes the crawling function on the inclined surface with a large angle on the horizontal plane.

Description

A vacuum cleaning trolley with large adsorption force

technical field

The invention relates to a dust suction device, more specifically, to a dust suction type cleaning trolley with large adsorption force.

Background technique

At present, with the advancement of technology, cleaning and cleaning has gradually evolved from the traditional manual cleaning method to the method of using a vacuum cleaner to absorb dust. Even some vacuum devices have been able to achieve obstacle avoidance. The application number is CN201710197287.5. The Chinese invention patent discloses an intelligent dust collection car. This intelligent dust collection car uses the principle of infrared emission and reception combined with the L298N motor driver to control the rotation angle of the universal wheel to change the direction of travel, so as to achieve dust collection. The car automatically avoids obstacles. However, these devices cannot realize the dust removal of walls and large-angle inclined surfaces.

In view of the above deficiencies, it is particularly necessary to design and develop a dust-absorbing cleaning trolley with a large adsorption force, which can remove dust on the ground and a large-angle inclined surface to make up for the above-mentioned shortcomings.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems and provide a dust-absorbing cleaning trolley with large adsorption force, which can realize dust removal work on horizontal planes and large-angle inclined surfaces.

The present invention achieves the above object through the following technical solutions: a dust-absorbing cleaning trolley with large adsorption force, including a bottom plate, a dust-absorbing module, a dust-lifting module, a turning module, a driving module, a wall adsorption module and a control module. The dust suction module is fixed on the base plate by bolts, the drive module is arranged at the bottom of the base plate and is used to drive the movement and steering of the entire cleaning trolley, the dust collection module is connected to the front of the base plate through a hinge, and the dust collection module is connected to the dust suction module. The dust suction port of the module is connected, one end of the turning module is fixed on the dust raising module, and the other end is fixed on the bottom plate, and the turning module drives the dust raising module to rotate around the central axis of the hinge; the wall adsorption module is installed on the bottom plate And it is used to adsorb the whole cleaning trolley on the vertical wall;

The dust suction module includes a dust suction motor, a fixed plate, a dust filter, a dust suction cover, a buckle base, a connecting hose and an elastic buckle assembly, the fixed plate is vertically fixed on the bottom plate, and the buckle base is fixed On the bottom plate, the dust collection motor is embedded in the fixed board, the bottom end of the dust collection cover is buckled on the fixed board through an elastic buckle assembly and the part of the dust collection motor is covered inside the dust collection cover to absorb dust. The front end of the motor is connected to the dust filter installed in the dust collection hood, the lower front end of the dust collection hood is fastened to the buckle base, and the front end of the buckle base is sealed and connected to one end of the connecting hose;

The dust raising module includes a dust cover, a dust raising board, a dust raising board bracket, a bracket seat and a pipe joint. The two sides of the dust cover are fixedly connected with the front end of the dust plate bracket, and the other end of the connecting hose is connected to the upper surface of the dust cover; the bracket seat is provided with a slot, and the two sides of the dust plate The side is fixed on the two bracket seats by plugging screws passing through the slot holes on the two bracket seats. The plugging screws are matched with the slot holes on the bracket seats. It can move linearly within the scope of the slot hole and the dust-raising plate can rotate and swing around the plug screw; the inside of the dust-raising plate is provided with a high-pressure chamber, and the outer end surface of the dust-raising board is also provided with two connected with the high-pressure chamber. pipe joints;

The overturning module includes a cylinder base support plate, a cylinder base, a cylinder barrel and a cylinder, the cylinder base support plate is fixed on the bottom plate, the cylinder base is fixed on the cylinder base support plate, and the bottom end of the cylinder is hinged on the cylinder On the seat, the end of the piston rod of the cylinder is connected to the cylinder barrel, and the cylinder barrel is hinged on the support of the dust-lifting plate. When the cylinder moves, it drives the dust-lifting module to rotate around the central axis of the hinge;

The drive module includes two driving wheels, two driven wheels, two driving motors, four bearing seats, four axles and tires, and the four bearing seats are respectively installed on the front and rear sides under the bottom plate, and the four The four bearings are respectively installed in the four bearing housings in the way of interference fit, and the four wheel shafts are installed on the four bearing housings. The two driven wheels are installed on the outer ends of the two axles at the rear through cross-recessed countersunk screws, and the two driven wheels are respectively installed on the outer ends of the two front-end axles through cross-recessed countersunk screws. The two drive motors move in the same direction and at the same speed When the driving module drives a cleaning trolley to move along a straight line, the two drive motors move in the same direction and at a differential speed or in the opposite direction; when the driving module drives a cleaning trolley to turn;

The wall adsorption module includes a large propeller fixing frame, a brushless motor, a large propeller, a large propeller round cap, a small propeller fixing frame, a small propeller, and a small propeller cap, and the base plate is provided with a large propeller fixing groove and a small propeller Fixing groove, the large propeller fixing frame is fixed in the large propeller fixing groove, the small propeller fixing frame is fixed in the small propeller fixing groove, a brushless motor is fixed at the bottom of the large propeller fixing frame, and the large propeller is fixed in the On the electrode head of the brushless motor; a brushless motor is fixed on the bottom of the small propeller fixing frame, and the small propeller is fixed on the electrode head of the brushless motor through a small propeller cap;

The control module is installed on the upper middle part of the bottom plate, and the control module includes a drive control module, an adsorption function control module and a wireless receiving module, and the drive control module is used to control the start, stop and start of the two drive motors in the drive module. Speed regulation function, the adsorption function control module is used to switch the two working states of horizontal plane work and vertical plane work, the adsorption function control module controls the start, stop and speed regulation function of the brushless motor in the adsorption module, the wireless receiving The module is a communication interface connected with external equipment.

Further, the middle part of the rear end of the dust-absorbing motor is provided with a shaft shoulder, and the part of the dust-absorbing motor protruding from the shaft shoulder is embedded in the in-plane hole of the fixing plate and forms an interference fit with the in-plane hole on the fixing plate The front end of the dust collection motor is embedded in the rear end of the dust filter, a conical boss is arranged outside the front end of the dust filter, and the dust filter is arranged inside the dust collection hood.

Further, the appearance of the dust collection hood is like a prism, and there is a small square hollow on the bottom edge of the dust collection hood, and the square hollow is clamped and connected with the fixing plate by an elastic buckle component; the lower front end of the dust collection hood A square large-area hollow is provided, and a boss is provided on the right side, and the square large-area hollow is clamped with the buckle base and connected by interference fit.

Further, the cylinder block support plate is placed perpendicular to the bottom plate, and the bottom surface of the cylinder block support plate is provided with two threaded holes, and the cylinder block support plate and the bottom plate are fixedly connected by screws.

Further, the connection holes between the base plate and the fixing plate are slotted holes, and the positions of the base plate and the fixing plate are adjusted by adjusting the positions of the screws on the slot holes.

Further, the elastic buckle assembly includes a button, a spring, and a buckle, and the top of the fixed plate is provided with a button installation hole of the elastic buckle assembly, and the button is placed in the button installation hole and is closely matched with the button installation hole, and the button is installed A square through hole is provided below the hole for placing buckles, and the buckle fits with the square through hole in a gap, and the buckle moves along the axis of the button installation hole to realize the fastening and loosening of the dust collection cover; the spring set is placed in the The button is used for resetting the button; the button and the buckle are connected by threads.

Further, the buckle base is spliced with the dust cover to form a sealed cavity through the interlocking outer surface, and the buckle base is provided with a Vacuum opening.

Further, reinforcing ribs are arranged inside the dust cover.

Further, the inner side of the dust-raising plate is provided with a narrow nozzle connected with the high-pressure chamber in the dust-raising plate, and the dust-raising plate guides the compressed air into the high-pressure chamber of the dust-raising plate through the pipe joint, and the airflow passes through the dust-raising plate The narrow nozzle sprays out to form an impact airflow to dust.

Further, the drive motor is connected to two driving wheels through a planetary reducer.

The working principle of the horizontal plane working mode is: start the two drive motors at the rear end of the chassis through the drive control module in the control module, and drive the two driving wheels to rotate after starting, so that the trolley can perform crawling and steering operations. The compressed air is introduced into the dust plate through the pipe joint to form a high-pressure chamber, and the air flow is then sprayed out through the narrow nozzle of the dust plate to form an impact air flow to raise dust. And the height and angle of the dust plate can be adjusted to achieve the best angle of dust. Most of the raised dust is enclosed inside the dust cover under the cover of the dust cover. The concentrated dust will be processed by the dust collection module, and the dust collection motor will work to make the dust enter the dust collection box through the suction pipe. The box base is separated, and then the dust in the dust box and the dust filter is cleaned and recycled. When dust is removed on an inclined surface, the entire dust-elevating module needs to be lifted to different heights, so that the two cylinders can move, and through the cooperation with the two hinges, the entire dust-elevating module can be rotated and lifted spatially.

The working mode of the present invention on the vertical plane is: on the basis of the horizontal plane working mode, start the wall surface adsorption module, because the bottom side of the bottom plate where the propeller is reversely installed produces a high-speed airflow to the upper side of the trolley, and the reaction force of the airflow will give the trolley a very Strong positive pressure, so as to improve the friction force of the trolley when it travels on the wall, and realize the crawling of the trolley on the wall. At the same time, according to the different angles of the wall surface, the speed of the brushless motor can be adjusted according to the demand, so as to change the positive pressure given to the trolley. Cooperating with the dust suction work in the horizontal working mode, it can realize the cleaning work on the inclined surface at a large angle.

The beneficial effects of the present invention are: the present invention adopts symmetrical structure design, flexible movement, simple and compact structure, reasonable design, and good processing and assembly technology; the design utilizes the cooperative operation of the cylinder and the hinge to realize the lifting of part of the structure, so that The vacuum cleaning trolley can be applied to dust removal on complex surfaces; the wall adsorption module is designed to enable the vacuum cleaning trolley to crawl on the horizontal plane and large-angle inclined surfaces, and cooperate with the adsorption function to realize the cleaning of complex surfaces in all directions Function. A control module is designed, which can realize information communication with other mobile terminals and improve the performance of human-computer interaction.

Description of drawings

Fig. 1 is an axonometric view in the top view direction of a dust-absorbing cleaning trolley with a large adsorption force of the present invention.

Fig. 2 is an axonometric view in the upward direction of a dust-absorbing cleaning trolley with a large adsorption force according to the present invention.

Fig. 3 is a cross-sectional view of the overall structure of a dust-absorbing cleaning trolley with large adsorption force according to the present invention. In the figure, 1-dust collection module, 2-dust removal module, 3-overturn module, 4-drive module, 5-wall adsorption module, 6-control module, 01-bolt hole, 02-hinge, 11-dust suction Motor, 12-fixed plate, 13-dust filter, 14-dust cover, 15-buckle base, 16-connecting hose, 17-elastic buckle assembly, 21-dust cover, 22-dust plate, 23 - dust plate bracket, 24- bracket seat, 25- pipe joint, 31- cylinder seat support plate, 32- cylinder seat, 33- cylinder, 34- cylinder barrel, 41- bottom plate, 42- bearing seat, 43- bearing, 44-Shaft end retaining ring, 45-Drive motor, 46-Axle, 47-Drive wheel, 48-Phillips countersunk head screw, 51-Large propeller fixing frame, 52-Brushless motor, 53-Large propeller, 54-Large Propeller round cap, 55-small propeller fixing frame, 56-small propeller, 57-small propeller round cap.

Implementation

The present invention will be further described below in conjunction with accompanying drawing:

As shown in Figures 1 to 3, a dust suction cleaning trolley with large adsorption force includes a bottom plate 41, a dust suction module 1, a dust collection module 2, a turning module 3, a driving module 4, a wall surface adsorption module 5 and a control module. 6. The dust collection module 1 is fixed on the bolt hole 01 of the bottom plate 41 through bolts, the drive module 4 is arranged at the bottom of the bottom plate 41 and is used to drive the movement and steering of the entire cleaning trolley, and the dust collection module 2 is controlled by the control module 6 Connected to the front of the bottom plate 41, the dust collection module 2 is connected to the dust suction port of the dust suction module 1, one end of the flip module 3 is fixed on the dust collection module 2, and the other end is fixed on the bottom plate 41, the flip module 3 The dust raising module 2 is driven to rotate around the central axis of the control module 6; the wall adsorption module 5 is installed on the bottom plate 41 and is used to adsorb the entire cleaning trolley on the vertical wall.

The dust suction module 1 includes a dust suction motor 11, a fixed plate 12, a dust filter 13, a dust suction cover 14, a buckle base 15, a connecting hose 16 and an elastic buckle assembly 17, and the fixed plate 12 is vertically fixed on the On the base plate 41, the buckle base 15 is fixed on the base plate 41, the dust collection motor 11 is embedded on the fixed plate 12, and the bottom end of the dust collection cover 14 is buckled on the fixed plate 12 through the elastic buckle assembly 17 And the part of dust collection motor 11 is covered in the inside of dust collection hood 14, and the front end of dust collection motor 11 is connected with the dust filter screen 13 that is arranged in the dust collection hood 14, and the front end lower part of described dust collection hood 14 is buckled and connected on the buckle On the base 15 , the front end of the buckle base 15 is sealingly connected with one end of the connecting hose 16 .

The dust module 2 includes a dust cover 21, a dust board 22, a dust board support 23, a support seat 24 and a pipe joint 25, and the support seat 24 is provided with two symmetrically arranged and two support seats 24 respectively. It is fixed on both sides of the dust-raising board bracket 23, the dust-shielding cover 21 is fixedly connected to the front end of the dust-raising board bracket 23, and the other end of the connecting hose 16 is connected to the upper surface of the dust-shielding cover 21; The support seat 24 is provided with slotted holes, and the both sides of the dust-raising plate 22 are fixed on the two support seats 24 by plugging screws passing through the slot holes on the two support seats 24. The slot hole clearance fits, the dust-raising plate 22 moves linearly within the range of the slot hole of the bracket seat 24 through the plugging screw, and the dust-raising plate 22 can rotate and swing around the plugging screw; A high-pressure chamber is provided, and two pipe joints 25 communicating with the high-pressure chamber are provided on the outer end surface of the dust raising plate 22 .

The overturning module 3 includes a cylinder base support plate 31, a cylinder base 32, a cylinder barrel 34 and a cylinder 33, the cylinder base support plate 31 is fixed on the base plate 41, and the cylinder base 32 is fixed on the cylinder base support plate 31, The bottom end of the cylinder 33 is hinged on the cylinder seat 32, the end of the piston rod of the cylinder 33 is connected to the cylinder barrel 34, and the cylinder barrel 34 is hinged on the dust plate support 23, and the dust raising module 2 is driven when the cylinder 33 moves Rotate around the central axis of the control module 6.

Described driving module 4 comprises two driving wheels 47, two driven wheels, two driving motors 45, four bearing blocks 42, four wheel axles 46 and tires, and four bearing blocks 42 are respectively installed on the front two sides of base plate 41 below. On both sides of the side and the rear, four bearings 43 are respectively installed in four bearing housings 42 in the form of interference fit, four wheel shafts 46 are installed on the four bearing housings 42, and shaft end retaining rings 44 are installed in the bearing housings , the inner ends of the two wheel shafts 46 at the rear end are respectively connected with two driving motors 45, the two driving wheels 47 are respectively installed on the outer ends of the two wheel shafts 46 at the rear end through cross-recessed countersunk screws 48, and the two driven wheels pass through The cross-recessed countersunk screw 48 is installed on the outer ends of the two wheel shafts 46 at the front end. When the two driving motors 45 move in the same direction and at equal speeds, the driving module 4 drives a cleaning trolley to move along a straight line. The two driving motors 45 move with the same speed. direction and with differential motion or when moving in the opposite direction, the driving module 4 drives a cleaning trolley to turn.

The wall adsorption module 5 includes a large propeller fixing frame 51, a brushless motor 52, a large propeller 53, a large screw round cap 54, a small propeller fixing frame 55, a small propeller 56, and a small propeller round cap 57. On the bottom plate 41 A large propeller fixing groove and a small propeller fixing groove are arranged, the large propeller fixing frame 51 is fixed in the large propeller fixing groove, the small propeller fixing frame 55 is fixed in the small propeller fixing groove, and the bottom of the large propeller fixing frame 51 is fixed with a brushless The motor 52 and the large propeller 53 are fixed on the electrode head of the brushless motor 52 through the large spiral cap 54; the bottom of the small propeller holder 55 is fixed with a brushless motor 52, and the small propeller 56 is fixed on the brushless motor 52 through the small propeller cap 57. On the electrode tip of the brushless motor 52.

The control module 6 is installed on the upper middle part of the base plate 41, the control module 6 includes a drive control module, an adsorption function control module and a wireless receiving module, and the drive control module is used to control the two drive motors 45 in the drive module 4 The start, stop and speed regulation functions of the adsorption function control module are used to switch the two working states of horizontal plane work and vertical plane work, and the adsorption function control module controls the start, stop and speed regulation of the brushless motor 52 in the adsorption module function, the wireless receiving module is a communication interface connected with external equipment. The wireless receiving module is a communication interface with other mobile terminals such as mobile phones and computers, so as to realize the remote human-computer interaction function and improve the user experience.

The middle part of the rear end of the dust collection motor 11 is provided with a shaft shoulder, and the dust collection motor 11 is embedded in the in-plane hole of the fixed plate 12 through the part protruding from the shaft shoulder and forms an interference with the in-plane hole on the fixed plate 12 Cooperate; the front end of the dust collection motor 11 is embedded in the rear end of the dust filter 13 , the outside of the front end of the dust filter 13 is provided with a conical boss, and the dust filter 13 is arranged inside the dust collection cover 14 .

The appearance of the dust collection cover 14 is a prism-like platform, and the bottom edge of the dust collection cover 14 has a square hollow with a small area and the square hollow is clamped and connected with the fixed plate 12 by an elastic buckle assembly 17; The lower part of the front end is provided with a square large-area hollow, and the right side is provided with a boss, and the square large-area hollow is clamped with the buckle base 15 and connected by interference fit.

The cylinder block support plate 31 is placed perpendicular to the bottom plate 41, and the bottom surface of the cylinder block support plate 31 is provided with two threaded holes, and the cylinder block support plate 31 and the bottom plate 41 are fixedly connected by screws.

The connection holes between the bottom plate 41 and the fixing plate 12 are slotted holes, and the positions of the bottom plate 41 and the fixing plate 12 are adjusted by adjusting the positions of the screws on the slotted holes.

The elastic buckle assembly 17 includes a button, a spring and a buckle. The top of the fixed plate 12 is provided with a button installation hole of the elastic buckle assembly 17. The button is placed in the button installation hole and is closely matched with the button installation hole. A square through hole is provided below the hole for placing buckles, and the buckle fits with the square through hole in a gap, and the buckle moves along the axis of the button installation hole to realize the fastening and loosening of the dust collection cover 14; The button is used for resetting the button; the button and buckle are connected through threads.

The buckle base 15 is spliced with the dust cover 14 to form a sealed cavity through the interlocking outer surface. suction port.

The dust cover 21 is provided with reinforcing ribs, which increases the firmness of the dust cover 21 .

The inner side of the dust-raising plate 22 is provided with a narrow nozzle connected with the high-pressure chamber in the dust-raising plate 22. The dust-raising plate 22 guides the compressed air into the high-pressure chamber of the dust-raising plate 22 through the pipe joint 25, and the airflow passes through the dust-raising plate 22. The narrow nozzles of the dust plate 22 spray out to form an impact airflow to raise dust.

The drive motor 45 is connected to two driving wheels 47 through a planetary reducer.

The present invention is divided into horizontal plane working mode and vertical plane working mode.

The working principle of the horizontal plane working mode of the present invention is as follows: the two drive motors at the rear end of the chassis are started by the drive control module in the control module 6, and after starting, the trolley can move and crawl by driving the two driving wheels 47 to rotate. The compressed air is introduced into the inside of the dust-raising plate 22 through the pipe joint 25 to form a high-pressure chamber, and the airflow is then sprayed out through the narrow nozzles of the dust-raising plate 22 to form an impact airflow to raise dust. And the height and the angle of the dust raising plate 22 can be adjusted, which can realize the best angle of raising dust. Most of the raised dust is sealed inside the dust cover 21 under the cover of the dust cover 21 . The concentrated dust will be processed by the dust collection module 1, and the dust collection motor 11 will work to make the dust enter the dust collection cover 14 through the connecting hose 16. When the dust accumulates to a certain extent, the dust collection cover 14 can be activated by pressing the button Separate from the buckle base 15, and then clean the dust of the dust collection cover 14 and the dust filter 13 for recycling. When dust removal is performed on complex surfaces, the entire dust collection module 2 needs to be lifted at different heights to make the two cylinders move, and through the cooperation with the two hinges 02, the entire dust collection module 2 can be rotated spatially uplift.

The vertical plane working mode of the present invention is: on the basis of the horizontal plane working mode, start the wall surface adsorption module 5, because the large propeller and the small propeller are all reversely installed on the lower side of the bottom plate 41, generate high-speed airflow to the upper side of the trolley, and the airflow The reaction force will give the trolley a strong positive pressure, thereby increasing the friction force of the trolley when it travels on the wall, and realizing the crawling of the trolley on the wall. At the same time, according to the difference of the angle of the wall surface, the rotation speed of the brushless motor 52 can be adjusted according to the demand, so as to change the positive pressure given to the trolley. Cooperating with the dust suction work in the horizontal working mode, it can realize the cleaning work on the inclined surface at a large angle.

The foregoing embodiments are only preferred embodiments of the present invention, and are not limitations to the technical solutions of the present invention. As long as they are technical solutions that can be realized on the basis of the foregoing embodiments without creative work, they should be regarded as falling into the scope of the patent of the present invention. within the scope of protection of rights.

Claims (10)

1. A dust absorption formula cleaning trolley with big adsorption affinity, its characterized in that: the dust collection device comprises a bottom plate (41), a dust collection module (1), a dust collection module (2), a turnover module (3), a driving module (4), a wall adsorption module (5) and a control module (6), wherein the dust collection module (1) is fixed on the bottom plate (41) through bolts, the driving module (4) is arranged at the bottom of the bottom plate (41) and is used for driving the whole cleaning trolley to move and turn, the dust collection module (2) is connected to the front of the bottom plate (41) through a hinge (02), the dust collection module (2) is communicated with a dust collection opening of the dust collection module (1), one end of the turnover module (3) is fixed on the dust collection module (2), the other end of the turnover module (3) is fixed on the bottom plate (41), and the turnover module (3) drives the dust collection module (2) to rotate around a central shaft of the hinge (02). The wall surface adsorption module (5) is arranged on the bottom plate (41) and is used for adsorbing the whole cleaning trolley on a vertical wall surface;

the dust collection module (1) comprises a dust collection motor (11), a fixing plate (12), a dust filtering screen (13), a dust collection cover (14), a lockable base (15), a connecting hose (16) and an elastic clamping assembly (17), wherein the fixing plate (12) is vertically fixed on a base plate (41), the lockable base (15) is fixed on the base plate (41), the dust collection motor (11) is embedded on the fixing plate (12), the bottom end of the dust collection cover (14) is buckled on the fixing plate (12) through the elastic clamping assembly (17) and covers part of the dust collection motor (11) in the dust collection cover (14), the front end of the dust collection motor (11) is connected with the dust filtering screen (13) arranged in the dust collection cover (14), the lower part of the front end of the dust collection cover (14) is buckled on the lockable base (15), and the front end of the lockable base (15) is connected with one end of the connecting hose (16) in a sealing mode.

The dust generation module (2) comprises a dust shielding cover (21), a dust generation plate (22), a dust generation plate support (23), support bases (24) and pipe joints (25), wherein the support bases (24) are provided with two symmetrically arranged support bases (24) which are respectively fixed on two sides of the dust generation plate support (23), the dust shielding cover (21) is fixedly connected with the front end of the dust generation plate support (23), and the other end of the connecting hose (16) is connected to the upper surface of the dust shielding cover (21); the dust collecting device is characterized in that slotted holes are formed in the support bases (24), two sides of the dust collecting plate (22) are fixed on the two support bases (24) through plugging screws penetrating through the slotted holes in the two support bases (24), the plugging screws are in clearance fit with the slotted holes in the support bases (24), the dust collecting plate (22) moves linearly in the slotted hole range of the support bases (24) through the plugging screws, and the dust collecting plate (22) can rotate and swing around the plugging screws; the dust plate (22) is internally provided with a high-pressure cavity, and the outer end surface of the dust plate (22) is also provided with two pipe joints (25) communicated with the high-pressure cavity;

the turnover module (3) comprises a cylinder seat support plate (31), a cylinder seat (32), a cylinder barrel (34) and a cylinder (33), wherein the cylinder seat support plate (31) is fixed on a bottom plate (41), the cylinder seat (32) is fixed on the cylinder seat support plate (31), the bottom end of the cylinder (33) is hinged on the cylinder seat (32), the end part of a piston rod of the cylinder (33) is connected with the cylinder barrel (34), the cylinder barrel (34) is hinged on a dust plate bracket (23), and the cylinder (33) drives the dust module (2) to rotate around the central shaft of a hinge (02) when moving;

the driving module (4) comprises two driving wheels (47), two driven wheels, two driving motors (45), four bearing seats (42), four wheel shafts (46) and tires, the four bearing seats (42) are respectively arranged at the front two sides and the rear two sides below the bottom plate (41), the four bearings (43) are respectively arranged in the four bearing seats (42) in an interference fit mode, the four wheel shafts (46) are arranged on the four bearing seats (42), the inner ends of the two rear wheel shafts (46) are respectively connected with the two driving motors (45), the two driving wheels (47) are respectively arranged at the outer ends of the two rear wheel shafts (46) through cross countersunk screws (48), the two driven wheels are respectively arranged at the outer ends of the two front wheel shafts (46) through the cross countersunk screws (48), when the two driving motors (45) move in the same direction and at the same rotating speed, the driving module (4) drives the cleaning trolley to move in the straight line, and when the two driving motors (45) move in the same direction and move in opposite directions, the two driving trolley (4) rotate in different directions;

the wall adsorption module (5) comprises a large screw fixing frame (51), a brushless motor (52), a large screw (53), a large screw round cap (54), a small screw fixing frame (55), a small screw (56) and a small screw round cap (57), wherein the bottom plate (41) is provided with a large screw fixing groove and a small screw fixing groove, the large screw fixing frame (51) is fixed in the large screw fixing groove, the small screw fixing frame (55) is fixed in the small screw fixing groove, the bottom of the large screw fixing frame (51) is fixed with a brushless motor (52), and the large screw (53) is fixed on an electrode tip of the brushless motor (52) through the large screw round cap (54); a brushless motor (52) is fixed at the bottom of the small propeller fixing frame (55), and the small propeller (56) is fixed on an electrode tip of the brushless motor (52) through a small propeller circular cap (57);

the control module (6) is installed in the middle of the upper side of the bottom plate (41), the control module (6) comprises a driving control module, an adsorption function control module and a wireless receiving module, the driving control module is used for controlling the starting, stopping and speed regulating functions of two driving motors (45) in the driving module (4), the adsorption function control module is used for switching two working states of horizontal plane working and vertical plane working, the adsorption function control module controls the starting, stopping and speed regulating functions of a brushless motor (52) in the adsorption module, and the wireless receiving module is a communication interface connected with external equipment.

2. A cleaning trolley with high suction power according to claim 1, characterized in that: the middle part of the rear end of the dust collection motor (11) is provided with a shaft shoulder, and the dust collection motor (11) is embedded into the surface inner hole of the fixed plate (12) through a part protruding out of the shaft shoulder and forms interference fit with the surface inner hole on the fixed plate (12); the front end of the dust collection motor (11) is embedded into the rear end of the dust filtering screen (13), a conical boss is arranged on the outer side of the front end of the dust filtering screen (13), and the dust filtering screen (13) is arranged in the dust collection cover (14).

3. A cleaning trolley with high adsorption capacity according to claim 2, characterized in that: the dust hood (14) is similar to a prismatic table in appearance, a small-area square hollow part is arranged at the bottom edge of the dust hood (14), and the square hollow part is tightly clamped and connected with the fixing plate (12) by an elastic clamping assembly (17); the front end lower part of the dust hood (14) is provided with a square large-area hollow, the right side is provided with a boss, and the square large-area hollow is clamped with the lockable base (15) and connected through interference fit.

4. A cleaning trolley with high suction power according to claim 3, characterized in that: the cylinder block support plate (31) is perpendicular to the bottom plate (41), two threaded holes are formed in the bottom surface of the cylinder block support plate (31), and the cylinder block support plate (31) and the bottom plate (41) are fixedly connected through screws.

5. A cleaning trolley with high suction as claimed in claim 4, wherein: the connection hole position of the bottom plate (41) and the fixed plate (12) is a slotted hole, and the positions of the bottom plate (41) and the fixed plate (12) are adjusted through adjusting the positions of the screws on the slotted hole.

6. A cleaning trolley with high suction power according to claim 5, characterized in that: the elastic buckle assembly (17) comprises a button, a spring and a buckle, a button mounting hole of the elastic buckle assembly (17) is formed in the top of the fixed plate (12), the button is placed in the button mounting hole and is in clearance fit with the button mounting hole, a square through hole for placing the buckle is formed below the button mounting hole, the buckle is in clearance fit with the square through hole, and the buckle moves along the axial line direction of the button mounting hole to realize buckling and loosening of the dust hood (14); the spring is sleeved on the button and is used for resetting the button; the button is connected with the buckle through threads.

7. The dust-collecting type cleaning trolley with large adsorption force according to claim 6, wherein: the base (15) can be buckled with the dust hood (14) through the outer surface of the buckling to form a sealed cavity, and the base (15) can be buckled with a dust collection port communicated with a dust outlet pipeline of the dust hood (21).

8. A cleaning trolley with high suction as claimed in claim 7, wherein: the dust cover (21) is internally provided with a reinforcing rib.

9. The dust-absorbing cleaning cart with high adsorption force according to claim 8, wherein: the inside of the dust plate (22) is provided with a narrow nozzle communicated with a high-pressure cavity in the dust plate (22), the dust plate (22) guides compressed air into the high-pressure cavity of the dust plate (22) through a pipe joint (25), and air flow is sprayed out through the narrow nozzle of the dust plate (22) to form impact air flow to generate dust.

10. A cleaning trolley with high suction power according to claim 9, characterized in that: the driving motor (45) is connected with two driving wheels (47) through a planetary reducer.