CN101328706A - Small Belt Sweeper - Google Patents

Abstract

The invention discloses a small belt-type sweeping vehicle, which comprises a clutch of a main body, a special conveyor belt and a garbage collection box. The sweeping part includes the front sweeping head and the rear sweeping wheel; the transmission and transmission part includes the front sweeping head, the rear sweeping wheel drive and the transmission device of the special conveyor belt, and they are all connected to the clutch through their respective transmission parts. The sweeping vehicle of the present invention can not only sweep the garbage backward directly onto the arc-shaped plate according to the needs, but also sweep the garbage forward to the arc-shaped plate of the rear sweeping wheel box after simply changing the structure, and then throw the garbage backward and upward. out, and then transported to the garbage collection box by a special conveyor belt, which is different from other types of sweepers using vacuum cleaners, so that the sweeper is not easy to get stuck when encountering large materials such as beverage bottles, which is suitable for garbage cleaning in small places Work.

Description

Small Belt Sweeper

technical field

The invention belongs to the technical field of sanitation machinery and relates to a small belt-type sweeping vehicle.

Background technique

Use a large sweeper on wide places and roads, and the sweeping efficiency is relatively high. However, in occasions such as sidewalks, streets in commercial districts, enterprises and institutions, parks, etc., large-scale sweeping vehicles cannot be deployed, and using large-scale sweeping vehicles will cause a lot of inconvenience or inappropriate, such as crushing the road surface, narrow roads and inconvenient access, affecting traffic , The working noise is loud. Therefore, at present in these places, the traditional way of sweeping the floor with a broom and dustpan will cause dust to fly, pollute the environment, affect the travel and health of pedestrians, and the sweeping efficiency is low, so there is an urgent need for a small-scale sweeper with high efficiency, energy saving and low noise. car.

Contents of the invention

The purpose of the present invention is to provide a small belt-type sweeping vehicle, which solves the problem that it is difficult to use a large-scale sweeping vehicle in a small place due to the limitation of the place, and manual cleaning will cause dust, which affects people's travel and health.

The technical solution adopted in the present invention is a small belt-type sweeping vehicle, including a main body, a sweeping part, and a transmission and transmission part. A clutch is installed on the wheel shaft of the side main wheel, and a garbage collection box and a special conveyor belt are also arranged on the vehicle frame; The lower surface of the front end of the frame is provided with a rear sweeping wheel box on the movable support, and a rear sweeping wheel is arranged in the rear sweeping wheel box; the transmission and transmission part includes a front sweeping head transmission device, a rear sweeping wheel and a garbage conveying device , are connected with the clutch through their respective transmission parts, so that the special conveyor belt can lift the garbage from the position of the rear sweeping wheel to the position of the garbage collection box.

The present invention is also characterized in that,

The main body includes a trolley frame, a lifting handle and a clutch handle on the frame, the lifting handle is connected to the wire rope, the clutch handle is connected to the clutch lever through a pull rod; the upper edge of the garbage collection box is provided with an upper drive wheel; the frame and The upper end of the movable support is connected, and the rear sweeping wheel box on the movable support is connected with the steel wire rope, and the lower drive wheel is installed on the lower end of the movable support.

The clutch includes an overrunning clutch, a jaw moving half clutch and a jaw fixing half clutch, and each overrunning clutch is provided with a clutch lever.

The front sweep head transmission device includes left and right conical gear pairs installed at the front of the frame, one of which is connected with the jaw moving half clutch through the front sweep head chain drive; the left and right bevel gear pairs are fixed through the horizontal transmission shaft Connection, each bevel gear pair is fixedly connected with the front sweeping head on this side through a movable transmission rod; the bevel gear pair is connected with a wire rope.

The rear sweeping wheel and garbage conveying device includes a rear sweeping wheel box, and an arc-shaped plate is connected downward at the end of the rear sweeping wheel box facing the forward direction. The gear pair, the intermediate gear is connected with the jaw moving half clutch through the chain, the intermediate gear is connected with the cylindrical gear pair, and the cylindrical gear pair is connected with the wheel shaft of the rear sweeping wheel; the cylindrical gear pair is connected with the lower transmission wheel through the chain drive of the conveyor belt, and the lower The driving wheel is connected with the upper driving wheel through a special conveyor belt.

The rear sweeping wheel and garbage conveying device includes a movable bracket. The lower end of the movable bracket faces the rear of the vehicle. An arc-shaped plate facing the direction of the rear of the vehicle is installed on the lower end of the movable bracket. The rear sweeping wheel box is connected to the movable bracket. An intermediate gear and a cylindrical gear pair are installed on the same side of the outer side. The intermediate gear is connected with the jaw moving half clutch through a chain, and the intermediate gear is connected with the cylindrical gear pair, and the cylindrical gear pair is connected with the wheel shaft of the rear sweeping wheel; the intermediate gear is connected by the conveyor belt chain The transmission is connected with the lower transmission wheel, and the lower transmission wheel is connected with the upper transmission wheel through a special conveyor belt.

The rear sweeping wheel and garbage conveying device includes a movable bracket, an arc-shaped plate is installed on the lower end of the movable bracket facing the direction of the front sweeping head, a rear sweeping wheel box is arranged on the movable bracket, and an intermediate gear and a Cylindrical gear pair, the cylindrical gear pair is connected with the jaw moving half clutch through the chain, the cylindrical gear pair is fixedly connected with the wheel shaft of the rear sweeping wheel, the intermediate gear is connected with the cylindrical gear pair; the intermediate gear is connected with the lower drive wheel through the chain drive of the conveyor belt, The lower driving wheel is connected with the upper driving wheel through a special conveyor belt.

The beneficial effect of the present invention is that the structure is simple, the use is convenient, and the mechanical cleaning operation in small places is realized. In these places, the traditional sweeping method of broom and dustpan is replaced, so that the sweeping of these places is no longer dusty, and people's health is protected. The normal work and order of other people will not be affected during the sweeping operation, and at the same time, the sweeping efficiency is improved, and environmental protection and energy saving are achieved.

Description of drawings

Fig. 1 is the structural representation of the device embodiment 1 of the present invention;

Fig. 2 is the structural representation of the clutch of Fig. 1 embodiment;

Fig. 3 is a top view structural diagram of the transmission and transmission part of the embodiment of Fig. 1;

Fig. 4 is a side view structural representation of the rear sweeping wheel and the garbage conveying device in the embodiment of Fig. 3;

Fig. 5 is a schematic structural view of the front sweeping head part of the embodiment of Fig. 1;

Fig. 6 is a schematic top view of the embodiment of Fig. 5;

Fig. 7 is a schematic structural view of Embodiment 2 of the device of the present invention;

Fig. 8 is a schematic structural view of Embodiment 3 of the device of the present invention;

Fig. 9 is a structural schematic diagram of the transmission and transmission part of the embodiment in Fig. 8 .

In the figure, 1. Front sweeping head, 2. Rear sweeping wheel box, 3. Rear sweeping wheel, 4. Steel wire rope, 5. Special conveyor belt, 6. Hand push frame, 7. Lifting handle, 8. Garbage collection box, 9. Main wheel, 10, clutch lever, 11, upper transmission wheel, 12, cylindrical gear pair, 13, conveyor belt chain drive, 14, front sweep head chain drive, 15, clutch handle, 16, overrunning clutch, 17, jaw movement Half-clutch, 18, jaw fixed half-clutch, 19, car brake, 20, bevel gear pair, 21, power transmission shaft, 22, vehicle frame, 24, chain, 25, arc plate, 26, supporting wheel, 27, lower Transmission wheel, 28, spare case, 29, intermediate gear, 30, movable support, 31, movable transmission rod, 32, clutch.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of Embodiment 1 of the device of the present invention. Including the main part, sweeping part, transmission and transmission part.

The main body part wherein comprises vehicle frame 22, and main wheel 9 and supporting wheel 26 are installed on the vehicle frame 22, and a clutch 32 is respectively installed on the axle of every side main wheel 9, and vehicle frame 22 is also provided with trolley frame 6, lifting. Handle 7 and clutch handle 15, lifting handle 7 are connected with steel wire rope 4, and clutch handle 15 is connected with the clutch lever 10 that is provided with on clutch 32 by pull bar (or steel wire); The upper edge of case 8 is provided with the upper drive wheel 11 of supporting special conveyer belt 5; Also be connected with movable support 30 in vehicle frame 22, the other end (lower end) of movable support 30 is equipped with back sweeping wheel box 2, rear sweeping wheel box 2 Connect with the steel wire rope 4, and an arc-shaped plate 25 is installed downward toward one end (front end) of the rear sweeping wheel box 2 in the forward direction, and the arc-shaped plate 25 is bent backward. .

Sweeping wheel box 2 after being pulled by wire rope 4, movable support 30 can rotate in a certain angle around the connection point on the vehicle frame, for controlling the height above ground of movable support 30, arc plate 25 and rear sweeping wheel 3. Special conveyer belt 5 is used for rubbish is sent in the rubbish collection box 8.

The sweeping part includes a pair of front sweeping heads 1 and a rear sweeping wheel 3. The front sweeping head 1 is arranged on the lower surface of the front end of the vehicle frame, and the rear sweeping wheel 3 is arranged in the rear sweeping wheel box 2; The wheel box 2 is connected with the steel wire rope 4 that is pulled up. When not sweeping the floor, pull the lifting handle 7. By pulling the wire rope 4, the front sweeping head 1, the rear sweeping wheel box 2 and the special conveyor belt 5 can be lifted and stored upward. , so that the whole sweeping car is brisk when walking without sweeping.

The front sweeping head 1 is a disc-type sweeping head, and the rear sweeping wheel 3 is provided with several sweeping strips arranged in parallel axially along the circumferential surface.

The front sweeping head 1, the rear sweeping wheel 3 and the special conveyor belt 5 are finally connected with the clutch through their respective transmission devices, receive the power of the clutch, act at the same time, or stop working when they are separated from the power.

Fig. 2 is a structural schematic diagram of the device clutch of the present invention. Clutch 32 is arranged on the wheel shaft inner side of main wheel 9, and the clutch 32 structures at two ends are identical, and symmetrical installation, each clutch 32 is made up of overrunning clutch 16, jaw moving half clutch 17 and jaw fixing half clutch 18, the overrunning of each side Clutches 16 are all provided with clutch levers 10, and clutch levers 10 are connected with clutch handles 15 through pull rods. Manipulate the clutch handle 15 to pull the clutch lever 10, and the jaw moving half clutch 17 can be disengaged from the jaw fixing half clutch 18, so that each cleaning device is detached from power and does not work; it is used to disengage the cleaning part from the main wheel 9 when not sweeping the floor The power does not work, making it brisk when walking without sweeping.

The sweeping vehicle of the present invention is also provided with a brake 19 on the main wheel 9, which acts as a brake.

Fig. 3 is a top view structural diagram of the transmission and transmission part of the embodiment of Fig. 1 of the present invention. The transmission and transmission part includes the front sweeping head transmission device, the rear sweeping wheel and the garbage conveying device. The front sweep head transmission includes two bevel gear pairs 20 installed at the front of the vehicle frame, and one of the bevel gear pairs 20 is connected with the jaw movable half clutch 17 by the front sweep head chain drive 14 .

Back sweeping wheel and rubbish conveying device comprise the intermediate gear 29 that is installed on rear sweeping wheel case 2 side, intermediate gear 29 is connected with another jaw moving half clutch 17 by chain 24, and intermediate gear 29 is arranged on rear sweeping wheel again. The cylindrical gear pair 12 on the same side of the box 2 is connected, and the cylindrical gear pair 12 is fixedly connected with the axle of the rear sweeping wheel 3, which drives the rear sweeping wheel 3 to rotate and sweeps the garbage forward and upward to the arc plate 25 of the rear sweeping wheel box 2 On; the cylindrical gear pair 12 is also connected with the lower drive wheel 27 of the garbage conveying device through the conveyor belt chain drive 13.

Front sweep head chain transmission 14 and chain 24 pass power to bevel gear pair 20 and intermediate gear 29 respectively by speed-up chain transmission, and conveyor belt chain transmission 13 transmits power to the special conveyor belt 5 again.

Fig. 4 is a side view of the rear sweeping wheel and the garbage conveying device in the embodiment of Fig. 3 . Back sweeping wheel 3 is installed in the back sweeping wheel box 2, and arrow A represents the advancing direction of sweeping vehicle, and arrow B represents the rotation direction of rear sweeping wheel 3. The jaw moving half clutch 17 is connected with the intermediate gear 29 through the chain 24, and the intermediate gear 29 is connected with the cylindrical gear pair 12. The cylindrical gear pair 12 drives the rear sweeping wheel 3 to rotate, and at the same time, the garbage is swept to the special conveyor belt 5 through the front and upper direction. Up, the arc-shaped plate 25 of the rear sweeping wheel box 2 plays a guiding role in guiding the garbage to be swept backwards; the cylindrical gear pair 12 is connected with the lower transmission wheel 27 through the conveyor belt chain drive 13, and the lower transmission wheel 27 cooperates with the upper transmission wheel 11 for transmission. Special conveyer belt 5, in time the rubbish that special conveyer belt 5 lower end accumulates is sent into rubbish collection box 8. The special conveyer belt 5 selects a kind of skirt edge lifting belt, guide belt, sander belt, anti-skid belt for use.

Because the arc-shaped plate 25 is made of soft materials such as rubber or polyurethane, the sweeping mode of the rear throwing type of the rear sweeping wheel 3 makes the arc-shaped plate 25 bounce up when the sweeper runs into bulk materials such as beverage bottles. , then by the rear sweeping wheel 3, the garbage is swept forward and upward on the arc plate 25, and thrown to the special conveyor belt 5 of the rear along the rear sweeping wheel box 2 inwalls, and the whole sweeper can work normally and not be stuck.

Rear sweeping wheel case 2 is the supporting body and protective cover of rear sweeping wheel 3, also is the supporting body of intermediate gear 29 and cylindrical gear pair 12.

Fig. 5 is a schematic structural view of the front sweeping head of the device of the present invention. The left and right bevel gear pairs 20 are installed on the front end of the vehicle frame 22, and the left and right bevel gear pairs 20 keep synchronous rotation through the horizontal transmission shaft 21, and each bevel gear pair 20 is connected with the front sweeping head 1 on this side through a movable transmission rod 31 The left and right bevel gear pairs 20 are all connected with the steel wire rope 4. When cleaning work is not carried out, the lifting wire rope 4 pulls the bevel gear pair 20 to rotate, so that the bevel gear pair 20 can be rotated together with the movable transmission rod 31 and the front sweeping head 1. The ground is convenient for sweeping vehicles to walk.

FIG. 6 is a schematic top view of the embodiment in FIG. 5 . The front sweep head chain drive 14 transmits the power to the B-side bevel gear pair 20, and the side bevel gear pair 20 drives the A-side bevel gear pair 20 to work through the transmission shaft 21, and the A and B bevel gear pairs 20 are driven by their respective activities. Bar 31 drives two front sweeping heads 1 to rotate forward and inward at the same time, rubbish is swept inward to the middle, is convenient to the work of back sweeping wheel 3.

Fig. 7 is a schematic structural diagram of Embodiment 2 of the device of the present invention. It also includes the main body part, the sweeping part and the transmission and transmission part, and the difference with the structure of the first embodiment of Figure 1 is:

The lower end of movable support 30 is towards the rear of the vehicle, and the lower end of movable support 30 is equipped with an arc-shaped plate 25 towards the rear of the vehicle. On movable support 30, be connected with back sweeping wheel case 2, rear sweeping wheel case 2 outsides same side are equipped with intermediate gear 29 and cylindrical gear pair 12, intermediate gear 29 is connected with jaw mobile half-clutch 17 by chain 24, intermediate gear 29 Connect with cylindrical gear pair 12 again, and cylindrical gear pair 12 is connected with the axle of rear sweeping wheel 3. Intermediate gear 29 is connected with lower transmission wheel 27 by conveyor belt chain transmission 13, and lower transmission wheel 27 is connected with upper transmission wheel 11 by special conveyor belt 5. Also in the present embodiment, a spare case 28 is set on the vehicle frame, which is more convenient for work.

When the embodiment of the device of the present invention is working, the garbage is rotated inward by the front sweeping head 1 to clean the ground, so that the garbage gathers into a narrow strip and passes under the arc-shaped plate 25, and is swept back above the arc-shaped plate 25 by the rear sweeping wheel 3, and finally is swept by the special The conveyor belt 5 is lifted into a refuse collection box 8 .

Fig. 8 is a schematic structural diagram of Embodiment 3 of the device of the present invention. Including the main part, the sweeping part, and the transmission and transmission part, the difference from the structure of the embodiment in Figure 1 is:

The arc plate 25 is installed on the lower end of the movable support 30 towards the forward direction (sweeping head 1), and the bending direction of the arc plate 25 is upwards, corresponding to the lower end garbage lifting direction of the special conveyor belt 5. In order to ensure that the rotation direction of the rear sweeping wheel 3 is downward and backward, in the structure of this embodiment, the cylindrical gear 12 is directly connected with the clutch 32 through the chain 24, and the rear sweeping wheel 3 is driven by the cylindrical gear pair 12 to rotate backward and downward. Sweep the rubbish onto the arc-shaped plate 25, and the cylindrical gear 12 is connected with the intermediate gear 29 through the gear connection mode, and utilizes the direction-changing effect of the intermediate gear 29 to make the intermediate gear 29 connect with the lower transmission wheel 27 through the conveyor belt chain drive 13, and the lower gear Transmission wheel 27 cooperates transmission special conveyor belt 5 with last transmission wheel 11. In the present embodiment, a support wheel 26 is separately installed on the lower end of the trolley frame 6 to realize the three-wheel walking mode, which is more flexible; a spare box 28 can also be set on the vehicle frame, and various utensils can be appropriately equipped or used as Spare waste storage box, more convenient to work.

Fig. 9 is a structural schematic diagram of the transmission and transmission part of the embodiment in Fig. 8 . Arrow A represents the advancing direction of the sweeping vehicle, and arrow B represents the rotating direction of the rear sweeping wheel 3 . The jaw fixed half clutch 18 is directly connected with the cylindrical gear pair 12 through the chain 24, and the cylindrical gear pair 12 drives the rear sweeping wheel 3 to rotate downwards to ensure that the rear sweeping wheel 3 sweeps the garbage to the arc-shaped plate 25 connected with the movable support 30 Up; after the cylindrical gear pair 12 changes direction through the intermediate gear 29, the intermediate gear 29 is connected with the lower transmission wheel 27 through the conveyor belt chain drive 13, and the lower transmission wheel 27 and the upper transmission wheel 11 cooperate to drive the special conveyor belt 5, and the arc plate 25 The rubbish on the top is sent into the garbage collection box 8.

In summary, when the sweeping vehicle of the present invention sweeps the floor, the power is provided by the main wheel 9, and through the clutch 32 and various chain transmissions, the power is transmitted to the front sweeping head 1 all the way, so that the front sweeping head 1 rotates inward to clean the ground. The rubbish is gathered into a narrow strip; the other route is driven by the spur gear pair 12 and the rear sweeping wheel 3 sweeps the rubbish (backward or forward) onto the arc-shaped plate 25, and is transported to the rubbish collection box 8 by the special conveyor belt 5 simultaneously.

When the sweeping vehicle of the present invention is not sweeping the floor, the clutch handle 15 is manually pulled up to disengage the jaw moving half-clutch 17 and the jaw fixing half-clutch 18 at the same time; at the same time, the lifting handle 7 pulls the wire rope 4 to make the front sweeping head 1 and the rear Sweeping wheel box 2 and special conveyer belt 5 lift simultaneously, break away from ground, make light and brisk when walking without sweeping. In addition, because the overrunning clutch 16 is provided, no matter sweeping the floor or not, it can walk in reverse.

The sweeping vehicle of the present invention can be manually pushed to work, and can also be combined with a bicycle or an electric vehicle to be driven by manpower or electricity, and the working mode is flexible. When driven by a human-powered bicycle, the staff pedals the bicycle, pushes the car forward, and manually controls the forward direction. When driving with electricity or electric bicycles, the staff should control the direction and speed of the car.

The sweeping vehicle of the present invention uses a special conveyor belt to lift the garbage from the position of the rear sweeping wheel to the position of the garbage collection box, unlike other types of sweeping vehicles that use a vacuum cleaner. In terms of structure, the garbage can be directly swept backward to the arc-shaped plate according to the needs, and the garbage can be swept forward to the arc-shaped plate of the rear sweeping wheel box after simply changing the structure, and then the garbage can be thrown backward and upward. Then it is transported to the garbage collection box by a special conveyor belt, so that the sweeper is not easy to get stuck when it encounters large materials such as beverage bottles, and the work is more reliable and adaptable.

The invention is simple in structure and easy to use, and realizes mechanical cleaning operations in small places such as sidewalks, commercial streets, enterprises, institutions, parks, etc., and replaces the traditional way of sweeping the floor with a broom and dustpan in these places, so that the sweeping of these places is no longer dusty. Feiyang protects people's health and will not affect the normal work and order of other people. At the same time, it improves the efficiency of sweeping the floor, is environmentally friendly and energy-saving, and will be widely used.

Claims (7)

1. A small belt-type sweeping vehicle, characterized in that it includes a main body, a sweeping part, a transmission and a transmission part, Described main part comprises vehicle frame (22), and main wheel (9) and supporting wheel (26) are installed on the vehicle frame (22), and a clutch (32) is installed on the axle of every side main wheel (9), and vehicle The frame (22) is also provided with a garbage collection box (8) and a special conveyor belt (5); The sweeping part includes a front sweeping head part and a rear sweeping wheel part. The front sweeping head (1) of the front sweeping head part is arranged on the lower surface of the front end of the vehicle frame (22), and a rear sweeping wheel is arranged on the movable support (30). Wheel box (2), rear sweeping wheel (3) is arranged in rear sweeping wheel box (2); The transmission and transmission part includes the front sweeping head transmission device, the rear sweeping wheel and the garbage conveying device, all of which are connected with the clutch (32) through respective transmission parts, so that the special conveyor belt (5) will sweep the garbage from the rear sweeping wheel (3) The position of is raised to the position of the garbage collection box (8). 2. The sweeping vehicle according to claim 1, characterized in that: the main part includes a push frame (6), a lifting handle (7) and a clutch handle (15) on the frame (22). , the lifting handle (7) is connected with the wire rope (4), and the clutch handle (15) is connected with the clutch lever (10) through a pull bar; the upper edge of the garbage collection box (8) is provided with an upper transmission wheel (11); the vehicle frame (22 ) is connected with the upper end of movable support (30), and the rear wheel box (2) on the movable support (30) is connected with steel wire rope (4), and the lower end of movable support (30) is equipped with following drive wheel (27). 3. The sweeping vehicle according to claim 1, characterized in that: said clutch (32) includes an overrunning clutch (16), a jaw moving half clutch (17) and a jaw fixed half clutch (18), each The overrunning clutch (16) is provided with a clutch lever (10). 4. The sweeping vehicle according to claim 1, characterized in that: the front sweeping head transmission device includes left and right conical gear pairs (20) installed at the front of the vehicle frame (22), one of which is (20) is connected with the jaw moving half-clutch (17) through the front sweeping head chain drive (14); the left and right bevel gear pairs (20) are fixedly connected through the horizontal drive shaft (21), and each bevel gear pair (20) It is fixedly connected with the front sweeping head (1) of this side by the movable transmission rod (31); the left and right bevel gear pairs (20) are all connected with the wire rope (4). 5. The sweeping vehicle according to claim 1, characterized in that: the rear sweeping wheel and the garbage conveying device include a rear sweeping wheel box (2), and one end of the rear sweeping wheel box (2) facing the forward direction is connected downwards Arcuate plate (25) is arranged, and arc plate (25) is bent backward, and intermediate gear (29) and cylindrical gear pair (12) are installed on the same side of rear wheel box (2) outside, and intermediate gear (29) passes through chain (24) is connected with jaw mobile half-clutch (17), intermediate gear (29) is connected with cylindrical gear pair (12) again, and cylindrical gear pair (12) is connected with the axle of rear sweeping wheel (3); Cylindrical gear pair (12) is connected with lower transmission wheel (27) by conveyor belt chain transmission (13), and lower transmission wheel (27) is connected with upper transmission wheel (11) by special conveyor belt (5). 6. The sweeping vehicle according to claim 1, characterized in that: the rear sweeping wheel and the garbage conveying device include a movable bracket (30), the lower end of the movable bracket (30) faces the rear of the vehicle, and the movable bracket (30) The lower end of the car is equipped with an arc-shaped plate (25) towards the rear direction, and the rear sweeping wheel box (2) is connected on the movable support (30). With the cylindrical gear pair (12), the intermediate gear (29) is connected with the jaw moving half clutch (17) by the chain (24), and the intermediate gear (29) is connected with the cylindrical gear pair (12) again, and the cylindrical gear pair (12) Connect with the axle of rear sweeping wheel (3); Intermediate gear (29) is connected with following transmission wheel (27) by conveyor belt chain transmission (13), and following transmission wheel (27) is connected with upper transmission wheel (11) by special conveyor belt (5). 7. The sweeping vehicle according to claim 1, characterized in that: the rear sweeping wheel and the garbage conveying device include a movable bracket (30), and the lower end of the movable bracket (30) faces the direction of the front sweeping head (1) Arc-shaped plate (25) is installed, and rear sweeping wheel box (2) is arranged on the movable support (30), and intermediate gear (29) and cylindrical gear pair (12) are installed on the same side of the rear sweeping wheel box (2) outside, Cylindrical gear pair (12) is connected with jaw movable half clutch (17) by chain (24), and cylindrical gear pair (12) is fixedly connected with the axle of back sweeping wheel (3), intermediate gear (29) and cylindrical gear pair ( 12) connection; Intermediate gear (29) is connected with following transmission wheel (27) by conveyor belt chain transmission (13), and following transmission wheel (27) is connected with upper transmission wheel (11) by special conveyor belt (5).

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