CN214832237U - Rolling brush pressing and lifting device of automatic driving rolling brush type sweeper - Google Patents

Abstract

The utility model discloses a rolling brush pressing and lifting device of an automatic driving rolling brush type sweeper, which comprises a rolling brush main shaft; the front end and the rear end of the rolling brush main shaft are respectively fixed on the body of the automatic driving rolling brush type sweeper; the front end and the rear end of the rolling brush main shaft are respectively hinged with the right end of one rolling brush swing arm; the left end of each rolling brush swing arm is hinged with the front end and the rear end of each rolling brush; a push rod motor fixing bracket is respectively arranged right above the front end and the rear end of the rolling brush; each push rod motor fixing bracket is provided with a push rod motor; the push rod at the lower part of each push rod motor is connected with the upper end of one tensioning rope; the lower end of each tensioning rope is connected with the top of the left end of the rolling brush swing arm below the tensioning rope; the top of the left end of each rolling brush swing arm is also connected with the right end of a nitrogen spring. The utility model discloses can let the round brush when rising and decline, the both sides of round brush all evenly receive the force, go up and down simultaneously, help promoting the effect of cleaning of autopilot round brush formula motor sweeper and the life of round brush.

Description

Rolling brush pressing and lifting device of automatic driving rolling brush type sweeper

Technical Field

The utility model relates to a roll brush formula motor sweeper autopilot technical field, especially relate to an autopilot rolls brush formula motor sweeper's round brush and pushes down and lift up the device.

Background

Automatic driving is a popular field in recent years, and along with the establishment and implementation of relevant national policies, the automatic driving technology develops particularly rapidly in the aspect of environmental sanitation, and more automatic driving motor sweeper on-road tests are performed.

For an automatic driving sweeper, a sweeping rolling brush is arranged on the automatic driving sweeper, when sweeping is carried out, the rolling brush needs to be firstly lowered to be in contact with a sweeping road surface, then rubbish on the ground is brought into a dustbin of the sweeper through rotation of the rolling brush, so that the sweeping purpose is achieved, when sweeping operation is not carried out, the rolling brush needs to be lifted up to be away from the ground, and non-working loss of the rolling brush is prevented (when the sweeper moves forwards without a sweeping function, if the rolling brush is in contact with the ground, the rolling brush is abraded).

However, for the existing automatic driving roller brush type sweeper, the lifting of the upper roller brush is realized by the unilateral stress of the roller brush, wherein, when the roller brush is pressed down, the unilateral of the roller brush is pressed down, when the roller brush is pressed down to a limit position (namely a cleaning position), the roller brush is started to clean, and the roller brush is rotated and contacted with the ground, so that the roller brush is also pressed by the ground, and the direction is upward;

when the rolling brush is lifted, only one side of the rolling brush is pulled by lifting force, the rolling brush leaves the ground, and the rolling brush can incline to one side of the rolling brush when lifted due to gravity of the rolling brush, so that the situation that the heights of two ends of the rolling brush are inconsistent occurs, and the problem of jamming of the rolling brush during lifting is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic drive rolls brush formula motor sweeper's round brush and pushes down and lift up the device to the technical defect that prior art exists.

Therefore, the utility model provides a rolling brush pressing and lifting device of an automatic driving rolling brush type sweeper, which comprises a rolling brush main shaft which is longitudinally distributed;

the front end and the rear end of the rolling brush main shaft are respectively fixed on the body of the automatic driving rolling brush type sweeper;

the front end and the rear end of the rolling brush main shaft are respectively hinged with the right end of one rolling brush swing arm;

the left end of each rolling brush swing arm is hinged with the front end and the rear end of each rolling brush which are longitudinally distributed;

wherein, a push rod motor fixing bracket is respectively arranged right above the front end and the rear end of the rolling brush;

each push rod motor fixing bracket is provided with a push rod motor;

the push rod at the lower part of each push rod motor is connected with the upper end of one tensioning rope;

the lower end of each tensioning rope is connected with the top of the left end of the rolling brush swing arm below the tensioning rope;

the top of the left end of each rolling brush swing arm is also connected with the right end of a nitrogen spring;

the left end of each nitrogen spring is fixed on a nitrogen spring mounting bracket;

and the nitrogen spring mounting bracket is fixed on the side wall of the body of the automatic driving sweeper.

Preferably, the joint of the nitrogen spring and the top of the left end of the rolling brush swing arm is positioned on the left of the joint of the tensioning rope and the top of the left end of the rolling brush swing arm.

Preferably, the included angle between the central axis of the nitrogen spring and the central axis of the tension rope is an acute angle.

Preferably, the push rod motor is fixed on the push rod motor fixing bracket through a bolt;

the push rod motor fixing bracket is fixedly arranged on the body of the automatic driving roller brush type sweeper through bolts;

the left end of the nitrogen spring is fixed on the nitrogen spring mounting bracket through a bolt.

Preferably, a plurality of brush sheets are vertically arranged on the peripheral outer surface of the rolling brush at equal intervals along the circumferential direction.

Preferably, each brush piece comprises a front half and a rear half connected to each other;

the included angle between the front half and the rear half is an obtuse angle.

Preferably, a swing arm limiting bracket is respectively arranged right below the right end of each rolling brush swing arm;

the right end of the swing arm limiting support is fixed on the body of the automatic driving rolling brush type sweeper.

Preferably, the central positions of the front end and the rear end of the rolling brush are respectively provided with a shaft pin;

each shaft pin is respectively connected with a bearing inner ring arranged on the right end of the adjacent rolling brush swing arm;

the shaft pin positioned in front longitudinally penetrates through the bearing inner ring and is fixedly connected with a second belt pulley;

a rolling brush motor is arranged on the right side of the second belt pulley;

the rolling brush motor is positioned at the rear side of the rolling brush swing arm;

the power output end on the rear side of the rolling brush motor penetrates through the rolling brush swing arm and is provided with a first belt pulley;

the first belt pulley and the second belt pulley are in linkage connection through an annular transmission belt.

By the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides an automatic drive round brush formula motor sweeper's round brush pushes down and lifts up the device, its structural design science can let the round brush when rising and decline, the equal atress in both sides of round brush all, the round brush both ends go up and down simultaneously to can make round brush and ground contact more steady when the round brush pushes down, make the round brush rise more smoothly when lifting, help promoting the effect of cleaning of automatic drive round brush formula motor sweeper, show the life who prolongs the round brush, have great production practice meaning.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a rolling brush pressing and lifting device of an automatic driving rolling brush type sweeper, which is observed from front to back;

fig. 2 is a schematic view showing a three-dimensional structure of a rolling brush pressing and lifting device of an automatic driving rolling brush type sweeper, which is seen from the back to the front;

fig. 3 is a schematic view of a three-dimensional structure of the rolling brush pressing and lifting device of the automatic driving rolling brush type sweeper, which is viewed from the back to the front;

in the figure: 1 is a push rod motor fixing support, 2 is a push rod motor, 3 is a tensioning rope, 4 is a nitrogen spring mounting support, and 5 is a nitrogen spring;

6 is a rolling brush swing arm, 7 is a rolling brush main shaft, 8 is a swing arm limiting bracket, and 9 is a rolling brush; 10 is a transmission belt, 101 is a first belt pulley, 102 is a second belt pulley, and 11 is a rolling brush motor.

Detailed Description

In order to make the technical means of the present invention easier to understand, the present application will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In addition, it should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the term "mounted" and the like should be interpreted broadly, and may be, for example, either fixedly mounted or detachably mounted.

The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

Referring to fig. 1 to 3, the utility model provides a rolling brush pressing and lifting device of an automatic driving rolling brush type sweeper, which comprises a rolling brush main shaft 7 which is longitudinally distributed;

wherein, the front end and the rear end of the rolling brush main shaft 7 are respectively fixed on the body of the automatic driving rolling brush type sweeper;

the front end and the rear end of the rolling brush main shaft 7 are respectively hinged with the right end of a rolling brush swing arm 6; specifically, the inner rings of the bearings respectively arranged on the symmetrical sides (namely the inner sides) of the two rolling brush swing arms 6 can be respectively connected through shaft pins;

it should be noted that, since the rolling brush swing arm 6 is hinged with the rolling brush main shaft 7, it can rotate around the rolling brush main shaft 7.

The left end of each rolling brush swing arm 6 is rotatably connected with the front end and the rear end of a rolling brush 9 which are longitudinally distributed (namely, the rolling brush swing arms are hinged, specifically, a bearing is arranged at the joint of the rolling brush swing arms 6 and the rolling brush 9, a shaft pin is arranged in the bearing, namely, one end of the shaft pin is inserted into the inner ring of the bearing, and the other end of the shaft pin is inserted into the rolling brush, so that the rolling brush can rotate freely);

wherein, a push rod motor fixing bracket 1 is respectively arranged right above the front end and the rear end of the rolling brush 9;

each push rod motor fixing bracket 1 is provided with a push rod motor 2;

the push rod at the lower part of each push rod motor 2 is connected with the upper end of one tensioning rope 3;

the lower end of each tensioning rope 3 is connected with the top of the left end of the rolling brush swing arm 6 below the tensioning rope;

the top of the left end of each rolling brush swing arm 6 is also connected with the right end of a nitrogen spring 5;

the left end of each nitrogen spring 5 is fixed on a nitrogen spring mounting bracket 4;

and the nitrogen spring mounting bracket 4 is fixed on the side wall of the body of the automatic driving sweeper.

The utility model discloses in, on specifically realizing, the junction at the nitrogen spring 5 and the 6 left ends tops of round brush swing arm is located the left side of the junction at tensioning rope 3 and the 6 left ends tops of round brush swing arm.

The left side of the rolling brush 9 is a direction in which the garbage is cleaned, and is also a direction in which the vehicle travels.

The utility model discloses in, on specifically realizing, the contained angle between the central axis of nitrogen gas spring 5 and the central axis of tensioning rope 3 is the acute angle.

The utility model discloses in, on specifically realizing, push rod motor 2 is through the bolt fastening to push rod motor fixed bolster 1.

The utility model discloses in, on specifically realizing, push rod motor fixed bolster 1 through bolt fixed mounting on the autopilot rolls brush type motor sweeper automobile body (for example through the bolt).

The utility model discloses in, on specifically realizing, nitrogen spring 5's left end is through the bolt fastening on nitrogen spring installing support 4.

In the present invention, in the concrete implementation, the peripheral outer surface of the rolling brush 9 is vertically provided with a plurality of brush pieces 90 (not limited to the six brush pieces shown in fig. 1) at equal intervals along the circumferential direction.

In particular, each brush blade 90 includes a front half and a rear half that are connected to each other;

the included angle between the front half part and the rear half part is an obtuse angle, so that an inner groove surface which is beneficial to collecting and collecting garbage is formed.

In the utility model, in the concrete implementation, a swing arm limiting bracket 8 is respectively arranged right below the right end of each rolling brush swing arm 6;

the right end of the swing arm limiting support 8 is fixed on the body of the automatic driving rolling brush type sweeper.

It should be noted that the swing arm limiting bracket 8 is not in the rotation range of the brush piece 90 of the rolling brush 9, and does not affect the normal operation of the rolling brush 9.

The utility model discloses in, it is required to explain that round brush 9 is connected with the drive slewing mechanism on the current autopilot roll brush type motor sweeper automobile body, under the drive of the drive slewing mechanism on the current autopilot roll brush type motor sweeper automobile body, can rotary motion, realizes cleaning to the subaerial rubbish of round brush below. The driving and rotating mechanism is of an existing structure, for example, a motor drives a belt pulley, which is a driving mode commonly used in the industry and is not described herein again.

In the concrete implementation, the central positions of the front end and the rear end of the rolling brush 9 are respectively provided with a shaft pin;

each shaft pin is respectively connected with the bearing inner ring arranged at the right end of the adjacent rolling brush swing arm 6, so that the hinging is realized and the free rotation can be realized;

wherein, the shaft pin positioned in front is longitudinally penetrated through the bearing inner ring and then is fixedly connected with the second belt pulley 102;

a rolling brush motor 11 is arranged on the right side of the second belt pulley 102;

the rolling brush motor 11 is positioned at the rear side of the rolling brush swing arm 6;

a power output end (namely an output shaft) at the rear side of the rolling brush motor 11 penetrates through the rolling brush swing arm 6 (specifically, the power output end can penetrate through a bearing inner ring arranged on the rolling brush swing arm), and then a first belt pulley 101 is arranged;

the first pulley 101 and the second pulley 102 are linked by an endless transmission belt 10.

In order to understand the technical solution of the present invention more clearly, the working principle of the present invention is explained below.

For the utility model, a push rod motor lifting device and a nitrogen spring pressing device are arranged on the front side and the rear side of the rolling brush 9;

for the utility model, in order to realize the pressing state of the rolling brush, firstly, the push rods of the push rod motors 2 at the front end and the rear end of the rolling brush 9 move downwards to loosen the tensioning rope 3, the nitrogen spring 5 extends out under the action of self elasticity, the rolling brush 9 swings downwards under the action of the nitrogen spring 5 (because the rolling brush 9 is connected with one end of the rolling brush swing arm 6, and the rolling brush swing arm 6 is connected with the nitrogen spring 5), and when the rolling brush swing arm 6 is contacted with the swing arm limiting bracket 8, the swinging is stopped;

in order to realize the ascending state of the rolling brush, firstly, the push rods of the push rod motors 2 at the front end and the rear end of the rolling brush 9 are changed from extending to retracting to drive the tensioning ropes 3 to pull upwards, so that the rolling brush swing arm 6 is ascended, and the rolling brush 9 is further driven to ascend together.

It should be noted that, to the utility model discloses, because the ascending and the decline both sides of round brush all evenly receive the force, consequently, the utility model discloses an use, can let the round brush when pushing down, make the round brush bottom surface more steady with the ground contact, when lifting up, the rising of round brush is more smooth and easy.

To sum up, compared with the prior art, the utility model provides a pair of automatic drive round brush formula motor sweeper's round brush pushes down and lifts up device, its structural design science can let the round brush when rising and decline, the both sides of round brush all evenly receive the power, the round brush both ends go up and down simultaneously to can make the round brush more steady with ground contact when the round brush pushes down, make the round brush rise more smoothly when lifting, help promoting the effect of cleaning of automatic drive round brush formula motor sweeper, show the life of extension round brush, have the important production practice meaning.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A rolling brush pressing and lifting device of an automatic driving rolling brush type sweeper is characterized by comprising a rolling brush main shaft (7) which is longitudinally distributed;

wherein the front end and the rear end of the rolling brush main shaft (7) are respectively fixed on the body of the automatic driving rolling brush type sweeper;

the front end and the rear end of the rolling brush main shaft (7) are respectively hinged with the right end of a rolling brush swing arm (6);

the left end of each rolling brush swing arm (6) is hinged with the front end and the rear end of a rolling brush (9) which is longitudinally distributed;

wherein, a push rod motor fixing bracket (1) is respectively arranged right above the front end and the rear end of the rolling brush (9);

each push rod motor fixing bracket (1) is provided with a push rod motor (2);

the push rod at the lower part of each push rod motor (2) is connected with the upper end of one tensioning rope (3);

the lower end of each tensioning rope (3) is connected with the top of the left end of the rolling brush swing arm (6) below the tensioning rope;

the top of the left end of each rolling brush swing arm (6) is also connected with the right end of a nitrogen spring (5);

the left end of each nitrogen spring (5) is fixed on a nitrogen spring mounting bracket (4);

and the nitrogen spring mounting bracket (4) is fixed on the side wall of the body of the automatic driving sweeper.

2. The rolling brush depressing and lifting device of an automatic driving rolling brush type sweeper according to claim 1, wherein the junction of the nitrogen spring (5) and the top of the left end of the swing arm (6) of the rolling brush is located to the left of the junction of the tension rope (3) and the top of the left end of the swing arm (6) of the rolling brush.

3. The rolling brush depressing and lifting device of an automatic rolling brush type sweeper according to claim 1, wherein an angle between a central axis of the nitrogen spring (5) and a central axis of the tension rope (3) is an acute angle.

4. The roll brush depressing and lifting device of an automatic rolling brush type sweeper according to claim 1, wherein the push rod motor (2) is fixed to the push rod motor fixing bracket (1) by a bolt;

the push rod motor fixing support (1) is fixedly arranged on the body of the automatic driving rolling brush type sweeper through bolts;

the left end of the nitrogen spring (5) is fixed on the nitrogen spring mounting bracket (4) through a bolt.

5. The rolling brush depressing and lifting device of an automatic rolling brush type sweeper according to claim 1, wherein a plurality of brush pieces (90) are vertically provided at equal intervals in a circumferential direction on the outer circumferential surface of the rolling brush (9).

6. The roll brush depressing and lifting device of an automatic rolling brush type sweeper according to claim 5, wherein each brush piece (90) comprises a front half and a rear half connected to each other;

the included angle between the front half and the rear half is an obtuse angle.

7. The rolling brush press-down and lift-up device of an automatic driving rolling brush type sweeper according to claim 1, wherein a swing arm limit bracket (8) is respectively arranged right below the right end of each rolling brush swing arm (6);

the right end of the swing arm limiting support (8) is fixed on the body of the automatic driving rolling brush type sweeper.

8. The rolling brush depressing and raising device of an automatic rolling brush type sweeper according to claim 1, wherein the rolling brush (9) has a shaft pin at each of front and rear end center positions thereof;

each shaft pin is respectively connected with a bearing inner ring arranged at the right end of the adjacent rolling brush swing arm (6);

wherein, the shaft pin positioned in front is longitudinally penetrated through the bearing inner ring and then fixedly connected with a second belt pulley (102);

a rolling brush motor (11) is arranged on the right side of the second belt pulley (102);

the rolling brush motor (11) is positioned at the rear side of the rolling brush swing arm (6);

a power output end on the rear side of the rolling brush motor (11) penetrates through a bearing inner ring arranged on the rolling brush swing arm (6) and is provided with a first belt pulley (101);

the first belt pulley (101) and the second belt pulley (102) are in linkage connection through an annular transmission belt (10).

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