CN110714428B

CN110714428B - Rolling brush for dust removal vehicle for preventing dust from flying

Info

Publication number: CN110714428B
Application number: CN201911053445.5A
Authority: CN
Inventors: 陈苏宁
Original assignee: Foshan Shunde Zone Hao Industry Co ltd
Current assignee: Foshan Shunde Zone Hao industry Co., Ltd.
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-23
Anticipated expiration: 2039-10-31
Also published as: JP2021071039A; CN110714428A

Abstract

The invention discloses a rolling brush for a dust removal vehicle for preventing dust from flying, which comprises a vehicle body, wherein wheel cavities with downward openings are symmetrically arranged in the vehicle body left and right, wheels are symmetrically and rotatably arranged in the wheel cavities front and back, a synchronous belt wheel is rotatably arranged between the wheels on the front side and the back side, wheel shafts are fixedly connected between the wheels on the front side and the back side, and the synchronous belt wheel is fixedly connected with the wheel shafts.

Description

Rolling brush for dust removal vehicle for preventing dust from flying

Technical Field

The invention relates to the field of cleaning, in particular to a rolling brush for a dust removal vehicle, which can prevent dust from flying.

Background

When cleaning the road, the cleaning worker usually cleans the road manually, firstly cleans the dust on the road by using a broom and the like, and then cleans the road by sprinkling water, but a large amount of manpower resources wasted by manually cleaning the road have low working efficiency and sometimes much dust on the road, and the dust is easy to fly when cleaning, so that the pedestrians and vehicles come and go are influenced.

Disclosure of Invention

The technical problem is as follows:

the efficiency of manually cleaning roads is low, and sometimes, more dust is easy to fly upwards, so that pedestrians and vehicles come and go are affected.

In order to solve the problems, the present embodiment designs a rolling brush for a dust removing vehicle for preventing dust from flying, which comprises a vehicle body, wherein the vehicle body is internally provided with wheel cavities with downward openings in a bilateral symmetry manner, the wheel cavities are internally provided with wheels in a front-back symmetry manner and in a rotatable manner, synchronous pulleys are rotatably arranged between the wheels at the front side and the rear side, wheel shafts are fixedly connected between the wheels at the front side and the rear side, the synchronous pulleys are fixedly connected with the wheel shafts, the lower ends of the wheels abut against a road surface, a connecting device is arranged in the vehicle body, a connecting belt is connected between the connecting device and the synchronous pulleys at the two sides, the vehicle body is pushed to roll the wheels on the road surface, the wheel shafts are driven to rotate, the synchronous pulleys are driven to rotate, and the connecting device is driven by the connecting belt, the synchronous belt pulleys on the two sides rotate synchronously, the front side and the rear side of the vehicle body are symmetrically and rotatably provided with connecting plates, transmission devices are arranged in the connecting plates, the front end and the rear end of each connecting device are connected with the transmission devices on the front side and the rear side, rolling brush devices are arranged between the connecting plates on the two sides, the lower ends of the rolling brush devices abut against the road surface, the front end and the rear end of each rolling brush device are connected with the transmission devices, the vehicle body is pushed to drive the connecting devices, the rolling brush devices are driven by the transmission devices, dust on the road surface is adsorbed by brushes in the rolling brush devices, the angle of the brushes in the rolling brush devices can be changed by changing the left-right moving direction of the vehicle body through the transmission devices, and accordingly dust flying when the brushes clean the road surface can be avoided. Advantageously, the connecting device includes a cavity disposed in the vehicle body, a connecting wheel is rotatably disposed in the cavity, an upper end of the connecting band is connected to the connecting wheel, a lower end of the connecting band is connected to the synchronous pulleys on both sides, a connecting shaft is fixedly connected in the connecting wheel, a front end and a rear end of the connecting shaft are connected to the transmission devices on the front side and the rear side, the synchronous pulleys are driven by the wheel shafts to rotate when the wheels roll on a road surface, the connecting wheel is driven by the connecting band to rotate, the transmission devices are driven by the connecting shaft, and the connecting wheel rotates synchronously with the synchronous pulleys on both sides.

Beneficially, the transmission device includes a groove disposed in the connecting plate and opening toward the symmetry center, a driving pulley is rotatably disposed in the groove, the front end and the rear end of the connecting shaft extend into the grooves on both sides respectively and are fixedly connected to the driving pulleys on both sides, a driven pulley is rotatably disposed on the right side of the driving pulley, a transmission belt is connected between the driving pulley and the driven pulley, one end of the driven pulley close to the symmetry center is fixedly connected to a rotating shaft, one end of the rotating shaft close to the symmetry center is connected to the roller brush device, one side of the driving pulley away from the symmetry center is rotatably disposed with a driving wheel, the driving wheel is fixedly connected to the connecting shaft, the right end of the driving wheel is engaged with a driven wheel, one end of the driven wheel away from the symmetry center is fixedly connected to a fixed shaft, one end of, the driven wheel is rotatably provided with a gearwheel far away from one side of the symmetry center, the gearwheel is fixedly connected to the fixed shaft, the lower end of the gearwheel can be meshed with a sliding rack, the right side of the gearwheel is rotatably provided with a pinion, the lower end of the pinion can be meshed with the sliding rack, one end of the pinion close to the symmetry center is fixedly connected with a symmetrical rotating shaft, one end of the symmetrical rotating shaft close to the symmetry center is connected to the roller brush device, the symmetrical rotating shaft is rotatably connected with the driven pulley and the rotating shaft, the connecting wheel rotates and drives the driving pulley to rotate through the connecting shaft, the driven pulley is driven to rotate with higher speed through the driving belt, and the roller brush device is driven to rotate through the rotating shaft, because the driving pulley and the driven pulley are in accelerated transmission, the rotating speed of the roller brush device is larger than that, the connecting shaft rotates and simultaneously drives the driving wheel to rotate, so that the driven wheel is driven to rotate, the gear wheel is driven to rotate through the fixed shaft, the sliding rack is driven to slide, the pinion is driven to rotate, and the rolling brush device is driven by the symmetrical rotating shaft to change the angle of the brush.

Advantageously, the engagement directions between the driving wheels and the driven wheels on the front and rear sides are opposite, that is, when the connecting shaft drives the driving wheels clockwise, the driving wheel on the front side can drive the driven wheels on the front side to rotate, and at the same time, the driving wheel on the rear side cannot drive the driven wheels on the rear side to rotate, when the connecting shaft drives the driving wheels counterclockwise, the driving wheel on the rear side can drive the driven wheels on the rear side to rotate, and at the same time, the driving wheel on the front side cannot drive the driven wheels on the front side to rotate.

But preferably, the pinion keep away from center of symmetry one end with the recess is kept away from and is linked firmly reset torsion spring between the inner wall of center of symmetry one side, gear wheel rotates and drives the slip rack slides, and then drives the pinion rotates and twists reverse reset torsion spring works as the gear wheel with when the slip rack breaks away from the meshing, the gear wheel is in idle running can drive under reset torsion spring's the spring action the pinion reversal, and then can drive slip rack reverse slip, because the gear wheel is in idle running state, the slip rack can not reverse slip, works as promptly the gear wheel with when the slip rack breaks away from the meshing, the gear wheel keeps idle running, this moment the slip rack no longer slides, this moment the pinion no longer rotates, this moment reset torsion spring is in the state of twisting.

Preferably, an engaging hole with an opening deviating from the center of symmetry is formed in the connecting plate, a clutch shaft is rotatably and slidably arranged on one side of the connecting plate away from the center of symmetry, a spline hole with an opening facing the center of symmetry is formed in the clutch shaft, the front end and the rear end of the connecting shaft respectively extend into the spline hole and are in spline connection with the clutch shaft, the clutch shaft is pushed, the clutch shaft is further made to slide into the engaging hole and is connected with the connecting plate, at the moment, the connecting shaft rotates and drives the clutch shaft to rotate, the connecting plate is further driven to rotate, and the rolling brush device is further driven to rotate and be separated from the road surface.

Beneficially, the rolling brush device comprises a cylinder rotatably arranged between the connecting plates, the cylinder is located on the right side of the vehicle body, the front end and the rear end of the cylinder are fixedly connected to the rotating shafts on the two sides respectively, a containing cavity is arranged in the cylinder, winding wheels are symmetrically and rotatably arranged in the containing cavity in a front-back manner, one ends of the winding wheels, far away from a symmetry center, are fixedly connected to the symmetric rotating shafts on the two sides respectively, six winding cavities are arranged in the cylinder in an annular array manner, a tensioning wheel is rotatably arranged in each winding cavity, a torsion shaft is fixedly connected to the tensioning wheel, the torsion shaft is rotatably connected between the front inner wall and the rear inner wall of each winding cavity, six elastic plates are fixedly connected to the circumferential surface of the cylinder in an annular array manner, brushes are fixedly connected to the end surfaces on the two sides of the elastic plates, pull wires are fixedly connected to the two end surfaces of the, the symmetrical rotating shaft on the front side drives the winding wheel on the front side to rotate, the stay wire wound on the winding wheel on the front side is further pulled, the elastic plate is further pulled, one end, far away from the cylinder, of the elastic plate is twisted anticlockwise, the symmetrical rotating shaft on the rear side drives the winding wheel on the rear side to rotate, the stay wire wound on the winding wheel on the rear side is further pulled, the elastic plate is further pulled, and one end, far away from the cylinder, of the elastic plate is twisted clockwise.

Preferably, a tension torsion spring is fixedly connected between the front end and the rear end of the tension wheel and the inner walls of the front side and the rear side of the winding cavity, and the stay wire can be always tensioned through the tension wheel under the action of the elasticity of the tension torsion spring.

The invention has the beneficial effects that: when the device is used, the dust on the road can be automatically adsorbed by only pushing the device on the road to be cleaned, so that the manpower resource is saved, the cleaning efficiency is improved, and the angle of the hairbrush can be automatically adjusted according to the moving direction of the device to prevent the dust from flying.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a rolling brush for a dust removing vehicle for preventing dust from flying according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is an enlarged schematic view of "B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 3;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 4;

FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 4;

FIG. 8 is a schematic view of the structure in the direction "G-G" of FIG. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a rolling brush for a dust removal vehicle for preventing dust from flying, which is mainly applied to cleaning on a road with more dust, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a dust-proof rolling brush for a dust-removing vehicle, which comprises a vehicle body 11, wherein a wheel cavity 15 with a downward opening is symmetrically arranged in the vehicle body 11 from left to right, wheels 13 are symmetrically and rotatably arranged in the wheel cavity 15 from front to back, a synchronous belt pulley 22 is rotatably arranged between the wheels 13 at the front side and the rear side, a wheel shaft 14 is fixedly connected between the wheels 13 at the front side and the rear side, the synchronous belt pulley 22 is fixedly connected with the wheel shaft 14, the lower ends of the wheels 13 are abutted against the road surface, a connecting device 101 is arranged in the vehicle body 11, a connecting belt 16 is connected between the connecting device 101 and the synchronous belt pulleys 22 at the two sides, the vehicle body 11 is pushed to roll the wheels 13 on the road surface to drive the wheel shaft 14 to rotate, the synchronous belt pulley 22 is driven to rotate, the connecting device 101 is driven by the connecting belt 16, and the synchronous belt pulleys 22 at the two sides keep, the front side and the rear side of the vehicle body 11 are symmetrically and rotatably provided with connecting plates 19, a transmission device 100 is arranged in each connecting plate 19, the front end and the rear end of the connecting device 101 are connected with the transmission device 100 at the front side and the rear side, a rolling brush device 102 is arranged between the connecting plates 19 at the two sides, the lower end of the rolling brush device 102 is abutted against the road surface, the front end and the rear end of the rolling brush device 102 are connected with the transmission device 100, the vehicle body 11 is pushed to drive the connecting device 101, the rolling brush device 102 is driven by the transmission device 100, furthermore, the brush 24 in the rolling brush device 102 can absorb the dust on the road surface, and by changing the left-right moving direction of the vehicle body 11, the angle of the brush 24 in the rolling brush device 102 can be changed by the transmission device 100, so that dust flying when the brush 24 cleans the road surface can be avoided.

According to an embodiment, the connecting device 101 is described in detail below, the connecting device 101 includes a cavity 12 disposed in the vehicle body 11, a connecting wheel 21 is rotatably disposed in the cavity 12, an upper end of the connecting belt 16 is connected to the connecting wheel 21, a lower end of the connecting belt 16 is connected to the synchronous pulleys 22 on two sides, a connecting shaft 20 is fixedly connected to the connecting wheel 21, front and rear ends of the connecting shaft 20 are connected to the transmission devices 100 on front and rear sides, the wheel 13 drives the synchronous pulley 22 to rotate through the wheel shaft 14 when rolling on a road surface, and then the connecting wheel 21 is driven to rotate through the connecting belt 16, and then the transmission device 100 is driven through the connecting shaft 20, and the connecting wheel 21 and the synchronous pulleys 22 on two sides rotate synchronously.

According to the embodiment, the transmission device 100 is described in detail below, the transmission device 100 includes a groove 18 disposed in the connecting plate 19 and having an opening facing the symmetry center, a driving pulley 33 is rotatably disposed in the groove 18, the front end and the rear end of the connecting shaft 20 respectively extend into the grooves 18 on both sides and are fixedly connected to the driving pulleys 33 on both sides, a driven pulley 44 is rotatably disposed on the right side of the driving pulley 33, a transmission belt 17 is connected between the driving pulley 33 and the driven pulley 44, one end of the driven pulley 44 close to the symmetry center is fixedly connected to a rotation shaft 45, one end of the rotation shaft 45 close to the symmetry center is connected to the roller brush device 102, a driving pulley 34 is rotatably disposed on one side of the driving pulley 33 far from the symmetry center, the driving pulley 34 is fixedly connected to the connecting shaft 20, and a driven pulley 35 is disposed at the right, the driven wheel 35 is kept away from the center of symmetry one end and is linked firmly fixed axle 39, the fixed axle 39 is kept away from the center of symmetry one end and is rotated connect in the recess 18 keeps away from center of symmetry one side inner wall on, keep away from the rotatable gear wheel 40 that is equipped with in center of symmetry one side from driven wheel 35, gear wheel 40 links firmly in fixed axle 39, the gear wheel 40 lower extreme is meshingly equipped with sliding rack 41, the rotatable pinion 42 that is equipped with in gear wheel 40 right side, the pinion 42 lower extreme can mesh in sliding rack 41, pinion 42 is close to center of symmetry one end and has linked firmly symmetrical pivot 30, symmetrical pivot 30 is close to center of symmetry one end and connects in round brush device 102, symmetrical pivot 30 with from driven pulley 44 and rotation axis 45 between rotate the connection, connecting wheel 21 rotates and drives through connecting axle 20 driving pulley 33, the driving belt 17 drives the driven pulley 44 to rotate in an accelerated manner, and then the rotating shaft 45 drives the rolling brush device 102 to rotate, because the driving pulley 33 and the driven pulley 44 are in accelerated transmission, so that the rotating speed of the rolling brush device 102 is greater than that of the wheel 13, the connecting shaft 20 rotates and drives the driving pulley 34 to rotate, and then drives the driven pulley 35 to rotate, and then drives the gearwheel 40 to rotate through the fixed shaft 39, and further drives the sliding rack 41 to slide, and further drives the pinion 42 to rotate, and then drives the rolling brush device 102 through the symmetrical rotating shaft 30 and changes the angle of the brush 24.

Advantageously, the engagement directions between the driving wheel 34 and the driven wheel 35 on the front and rear sides are opposite, that is, when the connecting shaft 20 drives the driving wheel 34 clockwise, the driving wheel 34 on the front side can drive the driven wheel 35 on the front side to rotate, and at this time, the driving wheel 34 on the rear side cannot drive the driven wheel 35 on the rear side to rotate, and when the connecting shaft 20 drives the driving wheel 34 counterclockwise, the driving wheel 34 on the rear side can drive the driven wheel 35 on the rear side to rotate, and at this time, the driving wheel 34 on the front side cannot drive the driven wheel 35 on the front side to rotate.

Advantageously, a return torsion spring 43 is fixedly connected between one end of the small gear 42 far away from the symmetry center and the inner wall of the groove 18 far away from the symmetry center, the large gear 40 rotates and drives the sliding rack 41 to slide, thereby driving the pinion gear 42 to rotate and twisting the reset torsion spring 43, when the bull gear 40 is disengaged from the sliding rack 41, the bull gear 40 is idle, the pinion 42 can be driven to rotate reversely under the action of the elastic force of the reset torsion spring 43, so that the sliding rack 41 can be driven to slide reversely, since the large gear 40 is in an idle state, the sliding rack 41 cannot slide in the reverse direction, that is, when the large gear 40 is disengaged from the sliding rack 41, the large gear 40 keeps idle rotation, the sliding rack 41 does not slide any more, the small gear 42 does not rotate any more, and the return torsion spring 43 is in a twisted state.

Beneficially, an engagement hole 38 with an opening deviating from the symmetry center is formed in the connecting plate 19, a clutch shaft 36 is rotatably and slidably disposed on one side of the connecting plate 19 away from the symmetry center, a spline hole 37 with an opening facing the symmetry center is formed in the clutch shaft 36, front and rear ends of the connecting shaft 20 respectively extend into the spline hole 37 and are in spline connection with the clutch shaft 36, the clutch shaft 36 is pushed, the clutch shaft 36 is further made to slide into the engagement hole 38 and be connected with the connecting plate 19, at this time, the connecting shaft 20 rotates and drives the clutch shaft 36 to rotate, and further the connecting plate 19 is driven to rotate, and further the rolling brush device 102 is driven to rotate and to be separated from contact with the road surface.

According to the embodiment, the rolling brush device 102 is described in detail below, the rolling brush device 102 includes a cylinder 27 rotatably disposed between the connecting plates 19, the cylinder 27 is located on the right side of the vehicle body 11, the front and rear ends of the cylinder 27 are respectively fixedly connected to the rotating shafts 45 on the two sides, a receiving cavity 31 is disposed in the cylinder 27, winding wheels 29 are symmetrically and rotatably disposed in the receiving cavity 31, one end of each winding wheel 29 away from the symmetry center is respectively fixedly connected to the rotating shafts 30 on the two sides, six winding cavities 32 are disposed in the cylinder 27 in an annular array, tension wheels 26 are rotatably disposed in the winding cavities 32, a torsion shaft 25 is fixedly connected to each tension wheel 26, the torsion shaft 25 is rotatably connected between the front and rear inner walls of the winding cavities 32, six elastic plates 23 are circumferentially disposed in an annular array and fixedly connected to the circumferential surface of the cylinder 27, the two end surfaces of the elastic plate 23 are fixedly connected with a brush 24, the two end surfaces of the brush 24 are fixedly connected with pull wires 28, the other ends of the pull wires 28 on the two sides are respectively wound on the tension wheel 26 on the two sides and the winding wheel 29 on the two sides, the symmetrical rotating shaft 30 on the front side drives the winding wheel 29 on the front side to rotate, the pull wires 28 wound on the winding wheel 29 on the front side are further pulled, the elastic plate 23 is further pulled, one end, away from the cylinder 27, of the elastic plate 23 is twisted anticlockwise, the symmetrical rotating shaft 30 on the rear side drives the winding wheel 29 on the rear side to rotate, the pull wires 28 wound on the winding wheel 29 on the rear side are further pulled, the elastic plate 23 is further pulled, and one end, away from the cylinder 27, of the elastic plate 23 is twisted clockwise.

Advantageously, a tension torsion spring 46 is fixedly connected between the front end and the rear end of the tension wheel 26 and the inner wall of the front side and the rear side of the winding cavity 32, and the tension of the pull wire 28 can be always kept by the tension wheel 26 under the elastic force of the tension torsion spring 46.

The following will describe in detail the usage steps of the rolling brush for a dust removing vehicle for preventing dust from flying in conjunction with fig. 1 to 8:

initially, the connecting plate 19 is kept horizontal, the cylinder 27 is located at the right side of the vehicle body 11, the elastic plate 23 and the brush 24 can be abutted against the road surface, the clutch shaft 36 is not connected with the connecting plate 19, the sliding rack 41 is at the left limit position, the reset torsion spring 43 is in normal loading, and the elastic plate 23 is not twisted.

In use, the vehicle body 11 is pushed to the right, so that the wheels 13 roll on the road surface, and further the synchronous pulley 22 is driven to rotate by the wheel axle 14, and further the connecting wheel 21 is driven to rotate by the connecting belt 16, and further the connecting shaft 20 rotates, at this time, the connecting shaft 20 rotates clockwise, and further the driving pulley 33 rotates, and further the driven pulley 44 rotates by the driving belt 17, and further the cylinder 27 rotates clockwise by the rotating shaft 45, and simultaneously the driving pulley 34 rotates clockwise by the connecting shaft 20, and further the driving pulley 34 at the front side can drive the driven pulley 35 at the front side to rotate, and further the large gear 40 at the front side is driven to rotate by the fixed shaft 39 at the front side, and further the sliding rack 41 at the front side is driven to slide rightward, and further the small gear 42 at the front side is driven to rotate and twist the reset torsion spring 43 at the front side, and further the small gear 42, and then the elastic plate 23 is pulled to twist through the pull wire 28 wound on the winding wheel 29 at the front side, so that one end of the elastic plate 23, which is far away from the cylinder 27, is twisted along the anticlockwise direction, at the moment, the cylinder 27 rotates clockwise, the elastic plate 23 is twisted along the anticlockwise direction, and the hairbrush 24 can be better attached and contacted with the road surface, and the dust is prevented from flying.

When the vehicle body 11 moves to the left, the wheel 13 rolls counterclockwise, and then the wheel axle 14, the synchronous pulley 22, the connecting band 16 and the connecting wheel 21 drive the connecting shaft 20 to rotate counterclockwise, and further the driving pulley 33, the driving band 17, the driven pulley 44 and the rotating shaft 45 drive the cylinder 27 to rotate counterclockwise, and at the same time the connecting shaft 20 drives the driving wheel 34 at the rear side to rotate, and further drives the driven wheel 35 at the rear side to rotate, and further drives the large gear 40 at the rear side to rotate through the fixed shaft 39 at the rear side, and further drives the sliding rack 41 at the rear side to slide rightward, and further drives the small gear 42 at the rear side to rotate and twist the reset torsion spring 43 at the rear side, and further the small gear 42 at the rear side drives the winding wheel 29 at the rear side to rotate through the symmetrical rotating shaft 30 at the rear side, and further pulls the elastic plate 23 through the pulling wire 28 twisted on the winding wheel, thereby enabling the brush 24 to better conform to the road surface.

When the vehicle body 11 moves left and right to clean the road surface, the torsion directions of the elastic plates 23 are opposite, the hairbrush 24 can be attached to the road surface, dust is prevented from flying, the stay wire 28 is always tensioned through the tensioning wheel 26 under the action of the elastic force of the tensioning torsion spring 46, when the vehicle body 11 stops moving, the large gear 40 does not rotate any more, the small gear 42 is driven to rotate reversely under the action of the elastic force of the reset torsion spring 43, the sliding rack 41 is driven to slide leftwards to recover to the initial state, meanwhile, the small gear 42 drives the winding wheel 29 to rotate reversely through the symmetrical rotating shaft 30, and the stay wire 28 is pulled and the elastic plates 23 recover to the initial state.

After cleaning, the clutch shaft 36 is pushed, the clutch shaft 36 slides into the meshing hole 38 and is connected with the connecting plate 19, the vehicle body 11 is pushed leftwards, the clutch shaft 36 is driven to rotate through the connecting shaft 20, the connecting plate 19 is driven to rotate anticlockwise, the cylinder 27 is driven to rotate anticlockwise and is separated from the road surface, and the cylinder 27 is driven to rotate anticlockwise and is in contact with the road surface until the cylinder 27 is located on the upper side of the vehicle body 11.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. A rolling brush for a dust removal vehicle for preventing dust from flying comprises a vehicle body; the vehicle body is internally provided with wheel cavities with downward openings in a bilateral symmetry manner, wheels are symmetrically and rotatably arranged in the wheel cavities in a front-back symmetry manner, synchronous belt wheels are rotatably arranged between the wheels on the front side and the rear side, wheel shafts are fixedly connected between the wheels on the front side and the rear side, the synchronous belt wheels are fixedly connected to the wheel shafts, and the lower ends of the wheels are abutted against the road surface; a connecting device is arranged in the vehicle body, a connecting belt is connected between the connecting device and the synchronous belt wheels on two sides, the vehicle body is pushed to enable the wheels to roll on a road surface, the wheel shaft is driven to rotate, the synchronous belt wheels are driven to rotate, the connecting device is driven through the connecting belt, and the synchronous belt wheels on two sides rotate synchronously; the front side and the rear side of the vehicle body are symmetrically and rotatably provided with connecting plates, transmission devices are arranged in the connecting plates, and the front end and the rear end of each connecting device are connected with the transmission devices on the front side and the rear side; a rolling brush device is arranged between the connecting plates at the two sides, the lower end of the rolling brush device is propped against the road surface, and the front end and the rear end of the rolling brush device are connected with the transmission device; the vehicle body is pushed and then the connecting device is driven, the transmission device drives the rolling brush device, so that dust on the road surface is adsorbed by the brush in the rolling brush device, and the transmission device can change the angle of the brush in the rolling brush device by changing the left-right moving direction of the vehicle body, so that the dust can be prevented from flying when the brush cleans the road surface; the connecting device comprises a cavity arranged in the vehicle body, a connecting wheel is rotatably arranged in the cavity, the upper end of the connecting belt is connected with the connecting wheel, the lower end of the connecting belt is connected with the synchronous belt wheels on the two sides, a connecting shaft is fixedly connected in the connecting wheel, and the front end and the rear end of the connecting shaft are connected with the transmission devices on the front side and the rear side; the transmission device comprises a groove which is arranged in the connecting plate and has an opening facing the symmetrical center, a driving belt wheel is rotatably arranged in the groove, the front end and the rear end of the connecting shaft respectively extend into the grooves on the two sides and are fixedly connected with the driving belt wheel on the two sides, a driven belt wheel is rotatably arranged on the right side of the driving belt wheel, and a transmission belt is connected between the driving belt wheel and the driven belt wheel; one end of the driven belt wheel, which is close to the symmetry center, is fixedly connected with a rotating shaft, and one end of the rotating shaft, which is close to the symmetry center, is connected with the rolling brush device; a driving wheel is rotatably arranged on one side, away from the symmetry center, of the driving belt wheel, the driving wheel is fixedly connected to the connecting shaft, a driven wheel is arranged at the right end of the driving wheel in a meshed mode, a fixed shaft is fixedly connected to one end, away from the symmetry center, of the driven wheel, and one end, away from the symmetry center, of the fixed shaft is rotatably connected to the inner wall of one side, away from the symmetry center, of the; a large gear is rotatably arranged on one side, away from the symmetry center, of the driven wheel, the large gear is fixedly connected to the fixed shaft, a sliding rack is arranged at the lower end of the large gear in a meshed mode, a small gear is rotatably arranged on the right side of the large gear, and the lower end of the small gear can be meshed with the sliding rack; one end of the pinion close to the symmetry center is fixedly connected with a symmetrical rotating shaft, one end of the symmetrical rotating shaft close to the symmetry center is connected with the rolling brush device, and the symmetrical rotating shaft is rotationally connected with the driven belt wheel and the rotating shaft; the meshing directions of the driving wheels and the driven wheels at the front side and the rear side are opposite, namely when the connecting shaft drives the driving wheels clockwise to rotate, the driving wheels at the front side can drive the driven wheels at the front side to rotate, at the moment, the driving wheels at the rear side cannot drive the driven wheels at the rear side to rotate, when the connecting shaft drives the driving wheels anticlockwise to rotate, the driving wheels at the rear side can drive the driven wheels at the rear side to rotate, and at the moment, the driving wheels at the front side cannot drive the driven wheels at the front side to rotate; a reset torsion spring is fixedly connected between one end of the pinion far away from the symmetric center and the inner wall of one side of the groove far away from the symmetric center; the connecting plate is internally provided with a meshing hole with an opening deviating from the symmetry center, one side of the connecting plate, which is far away from the symmetry center, is rotatably and slidably provided with a clutch shaft, the clutch shaft is internally provided with a spline hole with an opening facing the symmetry center, and the front end and the rear end of the connecting shaft respectively extend into the spline hole and are in spline connection with the clutch shaft; the rolling brush device comprises a cylinder which is rotatably arranged between the connecting plates, the cylinder is positioned on the right side of the vehicle body, and the front end and the rear end of the cylinder are fixedly connected with the rotating shafts on the two sides respectively; a storage cavity is arranged in the cylinder, winding wheels are symmetrically and rotatably arranged in the storage cavity in a front-back mode, and one ends of the winding wheels, far away from the symmetric center, are fixedly connected to the symmetric rotating shafts on the two sides respectively; six winding cavities are distributed in the cylinder in an annular array, tension wheels are rotatably arranged in the winding cavities, torsion shafts are fixedly connected in the tension wheels, and the torsion shafts are rotatably connected between the front inner wall and the rear inner wall of the winding cavities; six elastic plates are distributed on the circumferential surface of the cylinder in an annular array and fixedly connected, the end surfaces of two sides of each elastic plate are fixedly connected with a brush, the two end surfaces of each brush are fixedly connected with pull wires, and the other ends of the pull wires on two sides are respectively wound on the tension pulleys on two sides and the winding wheels on two sides; and tensioning torsion springs are fixedly connected between the front end and the rear end of the tensioning wheel and the inner walls of the front side and the rear side of the winding cavity.