CN210459074U

CN210459074U - Small-size electronic sweeping machine

Info

Publication number: CN210459074U
Application number: CN201921138451.6U
Authority: CN
Inventors: 金铁兴; 郭军; 王大海; 王晓辉
Original assignee: Shenyang Deheng Machinery Manufacturing Co ltd
Current assignee: Shenyang Deheng Machinery Manufacturing Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-05
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a small-size electronic sweeping machine, including frame, filter equipment and suction hood, filter equipment establishes the rear of frame, just filter equipment's air outlet is equipped with the dustbin, the dustbin both sides are equipped with elevating gear, be used for with the dustbin top pushes away upwards, make it with filter equipment's air outlet is sealed, filter equipment's air intake connection has the dust absorption pipe, just the dust absorption pipe stretch to the locomotive the place ahead of frame. Has the advantages that: the dust hood with the downward opening is adopted for sucking and picking up the garbage, so that secondary environmental pollution can be effectively avoided; the picked up garbage and dust-containing air are separated and filtered through the filtering device, so that the air meeting the environmental protection emission requirement is discharged into the atmosphere, and the cleaning effect is improved.

Description

Small-size electronic sweeping machine

Technical Field

The utility model relates to a sanitation equipment field, concretely relates to small-size electronic sweeping machine.

Background

The sweeping machine is a modern high-efficiency sweeping device integrating road surface sweeping, garbage recycling and transportation, has low cleaning cost, good cleaning effect and high safety performance, and is widely applied to sweeping of roads in large, medium and small cities.

The applicant finds that at least the following technical problems exist in the prior art: the existing sweeping machine is mainly characterized in that garbage and dust are drawn into a dust suction port by the rotation of a main brush and an edge brush, and dust is often gathered on a road surface, so that dust is easily raised in the sweeping process, the air filtering effect is poor, and secondary pollution is caused to the environment.

Disclosure of Invention

The utility model aims at providing a small-size electronic sweeping machine just in order to solve above-mentioned problem to solve among the prior art current sweeping machine when clean the road surface, cause technical problem such as secondary pollution for the environment easily. The utility model provides an among a great deal of technical scheme preferred technical scheme have: through the cooperation of suction hood filter equipment, inhale and pick up and filter ground rubbish to avoid causing technical effect such as secondary pollution for the environment, see explanation below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a small-sized electric sweeping machine, which comprises a frame, a filtering device and a dust hood, wherein the filtering device is arranged at the rear part of the frame, the air outlet of the filtering device is provided with a dustbin, two sides of the dustbin are provided with lifting devices for pushing the dustbin upwards to seal the dustbin with the air outlet of the filtering device, the air inlet of the filtering device is connected with a dust suction pipe, and the dust suction pipe extends to the front part of the vehicle head of the frame;

the dust collection device comprises a frame, a cab and a dust collection pipe, wherein the cab is provided with a fixed support device for fixing the dust collection pipe, the bottom of the dust collection pipe is provided with a dust collection cover with a downward opening, and a moving device for driving the dust collection cover to move is arranged in front of the head of the frame.

By adopting the small-sized electric sweeping machine, the air suction device works, road surface garbage and dust-containing air are sucked and picked up through the dust suction cover, the garbage and the dust-containing air enter the filtering device through the dust suction pipe to be filtered, so that the air meeting the environment-friendly emission requirement is discharged into the atmosphere, the garbage falls into the garbage can below the filtering device, and after the sweeping is finished, the garbage can descends through the lifting device, so that the garbage can is moved out of the frame to dump the garbage.

Preferably, the filtering device comprises a dust collecting box and a dust collecting fan, a plurality of filter cartridges which are uniformly arranged are arranged in the dust collecting box, a dust collecting pipe and a fan suction pipe are fixedly mounted on a front side plate of the dust collecting box facing the direction of the vehicle head, an air inlet of the dust collecting pipe is connected with the dust collecting pipe, a slag discharging port communicated with the dust collecting box is formed in the bottom of the dust collecting box, an air outlet of the dust collecting pipe is communicated with the dust collecting box through the slag discharging port, and the top of the dust collecting box is tightly attached to the bottom of the dust collecting box;

the dust collection fan is fixedly arranged on the frame below the dust collection box side, and an air outlet of the dust collection fan is communicated with the outside environment; the dust collection fan is a turbine fan.

Preferably, the filter cartridge comprises a filter bag and a support framework for supporting the filter bag, and the filter bag is made of a high silica membrane material.

Preferably, the tail of the dust collection box is provided with a movable door plate, the lower end of the movable door plate is hinged to the side wall of the bottom of the dust collection box, the upper end of the movable door plate is buckled with the side wall of the top of the dust collection box through a lock catch, the inner side of the movable door plate is provided with a rear baffle, the tail of the filter cartridge is fixedly installed on the rear baffle, and the rear baffle is provided with a dust vibration motor.

Preferably, a tail air suction pipe is arranged behind the movable door plate and fixed on the movable door plate through a hanging frame, an air outlet of the tail air suction pipe penetrates through the movable door plate and leads to the garbage can, and a detachable sealing cover is mounted at an air inlet of the tail air suction pipe;

the dust collecting pipe is provided with a wind shield capable of sealing an air inlet of the dust collecting pipe, the wind shield is installed on the dust collecting pipe through a rail frame, and the sliding direction of the wind shield is perpendicular to the flowing direction of wind in the dust collecting pipe.

Preferably, the lifting device comprises a first electric push rod and a supporting plate, the supporting plate is a U-shaped plate, the garbage can is placed in a U-shaped groove of the supporting plate, the number of the first electric push rods is two, the two first electric push rods are respectively positioned outside two side walls of the supporting plate, the lower end of each first electric push rod is fixed on the frame, and the upper end of each first electric push rod is fixedly connected with the side wall of the supporting plate.

Preferably, the dust suction pipe is a PVC transparent steel wire hose.

Preferably, the fixed supporting device comprises a supporting arm and a handheld rod, the supporting arm is fixedly installed at the top of a cab of the frame through a pillar, a rolling bearing is installed at a connecting part of the supporting arm and the pillar, an arc-shaped movable arm is hinged to the front end of the supporting arm and arranged along the bending direction of the dust collection pipe, a compression cylinder is arranged in a triangular area below the hinged part of the movable arm and the supporting arm, two ends of the compression cylinder are respectively connected with two ends of the hinged part of the movable arm and the supporting arm, and a C-shaped elastic clamping ring is fixedly installed on the movable arm and the supporting arm;

the utility model discloses a dust collection device, including activity arm, handheld pole, dust absorption pipe, compression spring, dust collection cover, compression spring, dust collection pipe, handheld pole, dust collection cover, dust collection pipe, dust collection cover, handheld pole, dust collection cover.

Preferably, the dust hood has an upper section and a lower section, wherein the upper end of the dust hood is an inverted-cone-shaped guide hood, the cross section of the guide hood is rectangular, the lower end of the dust hood is a rectangular garbage suction and pickup frame, the garbage suction and pickup frame is made of a rubber plate material, an opening is formed in the front side of the garbage suction and pickup frame, a front plate is installed at the opening, the upper end of the front plate is hinged to the bottom of the guide hood, and a second electric push rod which is vertically hinged to the front plate downwards is installed in the middle of the guide hood and can turn the front plate upwards;

the left side and the right side of the dust hood are respectively provided with an anti-collision wheel, the rear part of the dust hood is provided with a walking guide wheel, and the walking guide wheel is a damping wheel.

Preferably, the moving device comprises an up-down moving assembly and a left-right moving assembly, the up-down moving assembly comprises a cross beam, a ball screw and a first driving motor, the cross beam is horizontally arranged, connecting blocks fixedly connected with wheel seats of the walking guide wheels are mounted at two ends of the cross beam, the ball screw vertically penetrates through the cross beam, a nut of the ball screw is fixedly connected with the cross beam, the upper end of the ball screw is connected with an output shaft of the first driving motor through a coupler, and the first driving motor is fixedly mounted on a moving frame of the left-right moving assembly;

the left-right moving assembly comprises a fixed frame, a second driving motor, a rack, a moving gear and the moving frame, the fixed frame is fixedly arranged on the frame, the moving frame is slidably arranged on the front side of the fixed frame through a guide rail pair, and the rack is fixedly arranged on the fixed frame; the second driving motor is installed on the moving frame, a moving gear is installed on an output shaft of the second driving motor, and a rack meshed with the moving gear is horizontally installed on the fixed frame;

the first driving motor and the second driving motor are both direct current speed reduction motors.

Has the advantages that: 1. the utility model adopts the dust hood with the downward opening to suck and pick up the garbage, thereby effectively avoiding the secondary environmental pollution;

2. the picked up garbage and dust-containing air are separated and filtered through the filtering device, so that the air meeting the environmental protection emission requirement is discharged into the atmosphere, and the cleaning effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a perspective view of the filter device of the present invention;

FIG. 4 is a perspective view of the filtering device of the present invention in another direction;

fig. 5 is a schematic structural view of the fixing and supporting device of the present invention;

FIG. 6 is a connecting structure of the dust hood and the moving device according to the present invention;

FIG. 7 is a view showing the connection structure between the suction hood and the moving device in the other direction;

fig. 8 is a flow chart of the air flow during dust collection of the utility model.

The reference numerals are explained below:

1. a dust hood; 101. a guide housing; 102. a front plate; 103. a second electric push rod; 104. a garbage suction frame; 1a, an anti-collision wheel; 1b, a walking guide wheel; 2. a dust collection pipe; 3. fixing the supporting device; 3a, a handheld rod; 3b, a compression spring; 3c, a movable arm; 3d, compressing the air cylinder; 3e, C-shaped elastic snap rings; 3f, a support arm; 3g, a strut; 4. a filtration device; 4a, a dust collection fan; 4b, a dust collection box; 4b1, front panel; 4b2, dust collecting pipe; 4b3, a fan suction pipe; 4b4, a filter cartridge; 4b5, tailgate; 4b6, a movable door panel; 4b7, a tail suction pipe; 4b8, dust shaking motor; 4b9, wind deflector; 5. an air suction device; 6. a frame; 7. a mobile device; 7a, an up-down moving component; 7a1, a first drive motor; 7a2, ball screw; 7a3, cross beam; 7b, a left-right moving component; 7b1, moving rack; 7b2, a fixing frame; 7b3, rack; 7b4, a second drive motor; 7b5, moving gear; 7c, connecting blocks; 8. a dustbin; 9. a lifting device; 9a, a first electric push rod; 9b, a supporting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the utility model provides a small-sized electric sweeping machine, which comprises a frame 6, a filtering device 4 and a dust hood 1, wherein the filtering device 4 is arranged at the rear part of the frame 6, a dustbin 8 is arranged at an air outlet of the filtering device 4, lifting devices 9 are arranged at two sides of the dustbin 8 and used for pushing the dustbin 8 upwards to seal the dustbin with the air outlet of the filtering device 4, an air inlet of the filtering device 4 is connected with a dust collection pipe 2, and the dust collection pipe 2 extends to the front part of the vehicle head of the frame 6;

the dust collection device comprises a frame 6 and is characterized in that a fixed supporting device 3 used for fixing a dust collection pipe 2 is installed on a cockpit of the frame 6, the bottom of the dust collection pipe 2 is provided with a dust collection cover 1 with a downward opening, and a moving device 7 used for driving the dust collection cover 1 to move is installed in front of a vehicle head of the frame 6.

Preferably, the filtering device 4 comprises a dust collection box 4b and a dust collection fan 4a, a plurality of filter cartridges 4b4 which are uniformly arranged are arranged in the dust collection box 4b, a dust collection pipe 4b2 and a fan suction pipe 4b3 are fixedly mounted on a front side plate 4b1 of the dust collection box 4b facing the vehicle head direction, an air inlet of the dust collection pipe 4b2 is connected with the dust collection pipe 2, a slag discharge port communicated with the dust collection box 8 is arranged at the bottom of the dust collection box 4b, an air outlet of the dust collection pipe 4b2 is communicated with the dust collection box 8 through the slag discharge port, and the top of the dust collection box 4b is tightly attached to the bottom of the dust collection box 4 b;

the fan suction pipe 4b3 is connected with the air inlet of the dust collection fan 4a through a fan connecting pipe, the dust collection fan 4a is fixedly arranged on the frame 6 below the dust collection box 4b, and the air outlet of the dust collection fan 4a is communicated with the outside environment, so that the dust collection pipe 2 can generate negative pressure after the dust collection fan 4a is started, thereby leading the air flow at the lower part of the dust hood 1 to suck and pick up the ground garbage and the air containing dust, leading the garbage and the air containing dust to enter the dust collection pipe 4b2 along the dust collection pipe 2, the large garbage falls into the garbage bin 8 at the bottom, the sucked air containing dust upwards passes through the filter cylinder 4b4 under the action of wind power, the dust is isolated at the outer side under the action of the filter cylinder 4b4, and after the filtered air passes through the filter cylinder 4b4, the air is exhausted into the atmosphere through the dust absorption fan 4a after passing through the fan suction pipe 4b3 and the fan connecting pipe, thereby avoiding secondary pollution to the environment;

dust absorption fan 4a is turbofan, so sets up, because the turbofan amount of wind is big, and the wind pressure is high, consequently can improve the wind pressure of suction hood 1 department to improve the rubbish of suction hood 1 and inhale and pick up the effect.

The filter cartridge 4b4 includes the filter bag and is used for supporting the support chassis of filter bag, the filter bag adopts high silica tectorial membrane material to make, so sets up, is convenient for improve the durability of filter bag, prolongs its life, and high silica tectorial membrane material has good ablation resistance ability, can avoid not going out behind rubbish such as cigarette end, firecracker being inhaled filter cartridge 4b4, causes the filter bag damaged to make filter cartridge 4b4 can keep good filtering quality in adverse circumstances.

The tail part of the dust collection box 4b is provided with a movable door panel 4b6, the lower end of the movable door panel 4b6 is hinged with the side wall of the bottom of the dust collection box 4b, the upper end of the movable door panel 4b6 is buckled with the side wall of the top of the dust collection box 4b through a lock catch, the inner side of the movable door panel 4b6 is provided with a rear baffle 4b5, the tail part of the filter cylinder 4b4 is fixedly arranged on the rear baffle 4b5, the rear baffle 4b5 is provided with a dust-shaking motor 4b8, the arrangement is convenient for starting the dust shaking motor 4b8 after dust collection is finished, so that the shaking force of the dust shaking motor 4b8 is transferred to the filter cylinder 4b4 through the rear baffle 4b5, thereby shaking down the dust attached to the filter cartridge 4b4 in the dustbin 8 below to ensure the filtering effect of the filter cartridge 4b4, and also opening the movable door plate 4b6 to blow down the dust attached to the filter cartridge 4b4 by using an air gun.

A tail air suction pipe 4b7 is arranged behind the movable door panel 4b6, the tail air suction pipe 4b7 is fixed on the movable door panel 4b6 through a hanging frame, an air outlet of the tail air suction pipe 4b7 penetrates through the movable door panel 4b6 and leads to the garbage can 8, and a detachable sealing cover is arranged at an air inlet of the tail air suction pipe 4b7, so that when ground garbage is sucked and picked up through the dust hood 1, the air inlet of the tail air suction pipe 4b7 is sealed through the sealing cover, the rear of the dust collection box 4b is kept in a sealed state, and the pressure of the air inlet of the dust collection pipe 2 is improved;

install on the pipe 4b2 that gathers dust and to carry out confined deep bead 4b9 to its air intake, deep bead 4b9 passes through the track frame and installs gather dust on the pipe 4b2, just deep bead 4b 9's the direction of sliding perpendicular to gather dust the wind direction flow direction in the pipe 4b2, so set up, be convenient for make the manual work can inhale through a small amount of rubbish on afterbody aspiration channel 4b7 to ground and pick up, when utilizing afterbody aspiration channel 4b7 to carry out rubbish and clean, need remove deep bead 4b9 to the closed condition to carry out the shutoff to the air intake of pipe 4b2 that gathers dust, be convenient for improve afterbody aspiration channel 4b 7's air intake pressure, when using afterbody aspiration channel 4b7, open the closing cap of its air intake department.

Elevating gear 9 includes first electric putter 9a and layer board 9b, layer board 9b is the U template, dustbin 8 is placed in layer board 9 b's U type inslot, first electric putter 9a is total two, is located respectively outside layer board 9 b's the both sides wall, first electric putter 9 a's lower extreme is fixed on the frame 6, first electric putter 9 a's upper end with layer board 9 b's lateral wall fixed connection, so set up, be convenient for when the sweeping machine during operation, upwards push away layer board 9b through first electric putter 9a, make 8 tops of dustbin detain in dust collection case 4b bottom to form a sealed system with dust collection case 4b, with guarantee that the dusty air does not leak outward.

Dust absorption pipe 2 is the transparent wire hose of PVC, so sets up, is convenient for improve dust absorption pipe 2's intensity, makes it have good pliability simultaneously again to can follow the anterior kickup of cockpit and lay, shorten dust absorption pipe 2's laying length, the transparent wire hose of PVC has high negative pressure resistance, corrosion-resistant simultaneously, advantages such as long service life, thereby improves dust absorption pipe 2's life greatly.

The fixed supporting device 3 comprises a supporting arm 3f and a handheld rod 3a, the supporting arm 3f is fixedly installed at the top of a cockpit of the frame 6 through a support column 3g, a rolling bearing is installed at the connecting position of the supporting arm 3f and the support column 3g, so that the supporting arm 3f can swing left and right, the dust suction pipe 2 fixed on the supporting arm 3f can swing slightly and quickly under the action of wind pressure when equipment is started and stopped, the front end of the supporting arm 3f is hinged with a curved movable arm 3c, the movable arm 3c is arranged along the bending direction of the dust suction pipe 2, the movable arm 3c is convenient for bottom supporting the bending position of the dust suction pipe 2, the movable arm 3c is provided with a compression cylinder 3d in a triangular area below the hinged position of the supporting arm 3f, and the compression cylinder 3d is used for realizing the lower floating and upward raising of the front end of the supporting arm 3f, therefore, when the device is started, the supporting arm 3f is prevented from being damaged by the shaking impact force of the dust collection pipe 2, two ends of the compression cylinder 3d are respectively connected with two ends of the hinged part of the movable arm 3C and the supporting arm 3f, and the movable arm 3C and the supporting arm 3f are both fixedly provided with the C-shaped elastic snap ring 3e, so that the dust collection pipe 2 can be conveniently clamped and fixed through the C-shaped elastic snap ring 3e, and the dust collection pipe 2 is laid along the movable arm 3C and the supporting arm 3 f;

the utility model discloses a dust collection pipe, including dust collection pipe 2, movable arm 3c, handheld pole 3a, compression spring 3b, hand-held rod 3a, portable arm 3c below is provided with handheld pole 3a, just handheld pole 3a slope sets up, handheld pole 3a is the telescopic link, and compression spring 3b has been cup jointed in the thin pole section outside of this telescopic link upper end, thereby makes handheld pole 3a can follow 2 elastic expansion of dust collection pipe, handheld pole 3 a's upper end with movable arm 3c is articulated mutually, handheld pole 3a lower extreme with dust hood 1 is articulated mutually.

The dust hood 1 has an upper section and a lower section, wherein the upper end of the dust hood 1 is an inverted cone-shaped guide hood 101, the cross section of the guide hood 101 is rectangular, the lower end of the dust hood 1 is a rectangular garbage suction and pickup frame 104, the garbage suction and pickup frame 104 is made of a rubber plate material, so that hard contact between the bottom of the dust hood 1 and the ground is prevented, an opening is formed in the front side of the garbage suction and pickup frame 104, a front plate 102 is mounted at the opening, the upper end of the front plate 102 is hinged to the bottom of the guide hood 101, a second electric push rod 103 which is vertically and downwardly hinged to the front plate 102 is mounted in the middle of the guide hood 101, the front plate 102 can be turned upwards, and the arrangement is convenient for opening the front plate 102 through the second electric push rod 103 when large garbage is sucked and picked up, so that the large garbage can enter the garbage suction and pickup frame 104, and when small garbage and dust are sucked and picked up, the front plate 102 is in a closed state, therefore, the opening area of the garbage suction and pickup frame 104 communicated with the outside is reduced, the air inlet pressure is improved, and the strong suction and pickup of fine garbage, dust and the like is realized;

the left and right sides of dust hood 1 respectively installs an anticollision wheel 1a, and anticollision wheel 1a is used for preventing that dust hood 1 from colliding with roadside obstacle, walking leading wheel 1b is installed at the rear of dust hood 1, and walking leading wheel 1b is convenient for support dust hood 1 bottom, just walking leading wheel 1b is the shock attenuation wheel, when being convenient for make walking leading wheel 1b walk on the unevenness road surface, can have shock-absorbing function.

The moving device 7 comprises an up-down moving assembly 7a and a left-right moving assembly 7b, the up-down moving assembly 7a comprises a cross beam 7a3, a ball screw 7a2 and a first driving motor 7a1, the cross beam 7a3 is horizontally arranged, connecting blocks 7c fixedly connected with wheel seats of the walking guide wheel 1b are installed at two ends of the cross beam 7a3, the ball screw 7a2 vertically penetrates through the cross beam 7a3, a nut of the ball screw 7a2 is fixedly connected with the cross beam 7a3, the upper end of the ball screw 7a2 is connected with an output shaft of the first driving motor 7a1 through a coupler, the first driving motor 7a1 is fixedly installed on a moving frame 7b1 of the left-right moving assembly 7b, and the arrangement is convenient for driving the ball screw 7a2 to rotate through the forward and reverse rotation of a1 of the first driving motor 7a1, so that the nut on the ball screw 7a2 drives the cross beam 7a3 to ascend or descend, the dust hood 1 can ascend and descend so as to lift the dust hood 1 upwards when the dust hood 1 does not work, thereby facilitating the quick running of the sweeping vehicle on the road surface;

the left-right moving assembly 7b comprises a fixed frame 7b2, a second driving motor 7b4, a rack 7b3, a moving gear 7b5 and a moving frame 7b1, wherein the fixed frame 7b2 is fixedly installed on the vehicle frame 6, the moving frame 7b1 is slidably installed on the front side of the fixed frame 7b2 through a guide rail pair, and the rack 7b3 is fixedly installed on the fixed frame 7b 2; the second driving motor 7b4 is mounted on the moving frame 7b1, the moving gear 7b5 is mounted on an output shaft of the second driving motor 7b4, and the rack 7b3 meshed with the moving gear 7b5 is horizontally mounted on the fixed frame 7b2, so that the moving gear 7b5 is driven to rotate by the second driving motor 7b4, and the moving gear 7b5 drives the moving frame 7b1 to translate left and right while rotating due to the fact that the moving gear 7b5 is meshed with the rack 7b3, and the dust hood 1 moves left and right;

the first drive motor 7a1 and the second drive motor 7b4 are both dc gear motors.

By adopting the structure, the air suction device 5 works, road surface garbage and dust-containing air are sucked and picked up through the dust suction cover 1, the garbage and the dust-containing air pass through the dust suction pipe 2 and enter the filtering device 4 for filtering, so that the air meeting the environmental protection emission requirement is discharged into the atmosphere, the garbage falls into the garbage can 8 below the filtering device 4, after the cleaning is finished, the garbage can 8 descends through the lifting device 9, and the garbage can 8 is moved out of the frame 6 and dumped.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a small-size electronic sweeping machine which characterized in that: the garbage truck comprises a truck frame, a filtering device and a dust hood, wherein the filtering device is arranged behind the truck frame, a garbage can is arranged at an air outlet of the filtering device, lifting devices are arranged on two sides of the garbage can and used for pushing the garbage can upwards to enable the garbage can to be sealed with the air outlet of the filtering device, a dust suction pipe is connected to an air inlet of the filtering device, and the dust suction pipe extends to the front of a truck head of the truck frame;

2. The small-sized electric sweeping machine according to claim 1, wherein: the dust collection device comprises a dust collection box and a dust collection fan, wherein a plurality of filter cartridges which are uniformly arranged are arranged in the dust collection box, a dust collection pipe and a fan suction pipe are fixedly arranged on a front side plate of the dust collection box facing the direction of a vehicle head, an air inlet of the dust collection pipe is connected with the dust collection pipe, a slag discharge port communicated with the dust collection box is arranged at the bottom of the dust collection box, an air outlet of the dust collection pipe is communicated with the dust collection box through the slag discharge port, and the top of the dust collection box is tightly attached to the bottom of the dust collection box;

3. The small-sized electric sweeping machine according to claim 2, wherein: the filter cartridge comprises a filter bag and a support framework for supporting the filter bag, and the filter bag is made of high silica film-coated material.

4. The small-sized electric sweeping machine according to claim 2, wherein: the dust collecting box is characterized in that a movable door plate is installed at the tail of the dust collecting box, the lower end of the movable door plate is hinged to the side wall of the bottom of the dust collecting box, the upper end of the movable door plate is buckled with the side wall of the top of the dust collecting box through a lock catch, a rear baffle is arranged on the inner side of the movable door plate, the tail of the filter cartridge is fixedly installed on the rear baffle, and a dust vibrating motor is installed on the rear baffle.

5. The small-sized electric sweeping machine according to claim 4, wherein: a tail air suction pipe is arranged behind the movable door plate and fixed on the movable door plate through a hanging frame, an air outlet of the tail air suction pipe penetrates through the movable door plate to lead to the garbage can, and a detachable sealing cover is mounted at an air inlet of the tail air suction pipe;

6. The small-sized electric sweeping machine according to claim 1, wherein: the lifting device comprises first electric push rods and a supporting plate, the supporting plate is a U-shaped plate, the garbage can is placed in a U-shaped groove of the supporting plate, the number of the first electric push rods is two, the first electric push rods are located outside two side walls of the supporting plate respectively, the lower ends of the first electric push rods are fixed on the frame, and the upper ends of the first electric push rods are fixedly connected with the side walls of the supporting plate.

7. The small-sized electric sweeping machine according to claim 1, wherein: the dust absorption pipe is a PVC transparent steel wire hose.

8. The small-sized electric sweeping machine according to claim 1, wherein: the fixed supporting device comprises a supporting arm and a handheld rod, the supporting arm is fixedly installed at the top of a cab of the frame through a pillar, a rolling bearing is installed at the connecting part of the supporting arm and the pillar, an arc-shaped movable arm is hinged to the front end of the supporting arm, the movable arm is arranged along the bending direction of the dust collection pipe, a compression cylinder is arranged in a triangular area below the hinged part of the movable arm and the supporting arm, two ends of the compression cylinder are respectively connected with two ends of the hinged part of the movable arm and the supporting arm, and a C-shaped elastic snap ring is fixedly installed on the movable arm and the supporting arm;

9. The small-sized electric sweeping machine according to claim 1, wherein: the dust hood is divided into an upper section and a lower section, wherein the upper end of the dust hood is an inverted-cone-shaped guide hood, the cross section of the guide hood is rectangular, the lower end of the dust hood is a rectangular garbage suction and pickup frame, the garbage suction and pickup frame is made of rubber plates, an opening is formed in the front side of the garbage suction and pickup frame, a front plate is installed at the opening, the upper end of the front plate is hinged with the bottom of the guide hood, a second electric push rod which is vertically hinged with the front plate downwards is installed in the middle of the guide hood, and the front plate can be turned upwards;

10. The small electric sweeper truck according to claim 9, characterized in that: the moving device comprises an up-down moving assembly and a left-right moving assembly, the up-down moving assembly comprises a cross beam, a ball screw and a first driving motor, the cross beam is horizontally arranged, connecting blocks fixedly connected with wheel seats of the walking guide wheels are mounted at two ends of the cross beam, the ball screw vertically penetrates through the cross beam, a nut of the ball screw is fixedly connected with the cross beam, the upper end of the ball screw is connected with an output shaft of the first driving motor through a coupler, and the first driving motor is fixedly mounted on a moving frame of the left-right moving assembly;