CN114919429A

CN114919429A - Pure electric snow removing rolling brush, snow removing vehicle and control method

Info

Publication number: CN114919429A
Application number: CN202210565402.0A
Authority: CN
Inventors: 许诺言; 孙继业; 张占宇
Original assignee: Changchun Xuyang Intelligent Equipment Co ltd
Current assignee: Changchun Xuyang Intelligent Equipment Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-19

Abstract

The application discloses a pure electric snow-removing roller brush, a snow-removing vehicle and a control method. The roller brush includes a roller brush installation cover, a roller brush shaft is arranged in the roller brush installation cover, and a motor and a reducer are arranged on the side of the roller brush installation cover. The output end of the motor is connected with the input end of the reducer, the output end of the reducer is connected with the roller brush shaft, an encoder is installed in the motor, and a junction box is arranged on the motor shell; The electric cylinder and the pitching electric cylinder, the lifting electric cylinder and the lifting rotating pair are hinged, the lifting rotating pair is connected with the rolling brush installation cover, the tilting electric cylinder is hinged with the tilting rotating pair, and the tilting rotating pair is connected with the rolling brush installation cover, The pitching electric cylinder is hinged with the pitching rotating pair, and the pitching rotating pair is mounted with the rolling brush installation cover. The invention has simple structure and simple maintenance, and avoids the occurrence of hydraulic oil condensation, over-use period replacement and oil leakage pollution; closely following the development of pure electric vehicles, the electric power direct drive has higher efficiency and no pollutant discharge.

Description

Pure electric snow removing rolling brush, snow removing vehicle and control method

Technical Field

The application relates to the technical field of snow removal equipment, in particular to a pure electric snow removal rolling brush, a snow remover and a control method.

Background

The snow removing rolling brush is a snow removing tool used for high-grade highways, urban roads, airports, squares, scenic spot roads and the like. The existing snow removing roller brush is arranged in front of an automobile or a loader, power is output to a hydraulic pump through a power takeoff of an engine gearbox on a chassis, kinetic energy is converted into hydraulic energy, and the hydraulic energy is communicated to actuating mechanisms such as a hydraulic motor, a hydraulic cylinder and the like of the roller brush through an electro-hydraulic control valve and a hydraulic pipeline. During operation, the hydraulic cylinder adjusts the angle of the rolling brush to a position which is inclined by 30-35 degrees with the advancing direction of the vehicle, the hydraulic cylinder is used for adjusting the lifting height of the rolling brush, the hydraulic motor drives the rolling brush to rotate, and snow is pushed to the road side by the speed of the vehicle.

With the popularization and promotion of new energy automobiles, the market occupation ratio of the production and sales volume of the new energy automobiles is increased year by year, the traditional fuel engine gradually transits to a motor which is more environment-friendly and cleaner, and the energy of the automobiles is combusted from fuel oil and is more converted to a power battery. The existing hydraulic transmission mode comprises a power takeoff, a hydraulic pump, a hydraulic oil tank, a pipeline, a connecting piece, a hydraulic motor, a hydraulic cylinder, an electro-hydraulic control valve and other components, the structure is complex, hydraulic oil is easy to condense in winter, the hydraulic oil needs to be replaced frequently after exceeding the service cycle, and oil leakage occurs at the joint of the hydraulic component. The use and maintenance requirements of the equipment are high.

Disclosure of Invention

Therefore, the application provides a pure electric snow removing rolling brush, a snow sweeper and a control method, and aims to solve the problems that in the prior art, electric energy output modes of snow removing rolling brush equipment to new energy automobiles are not suitable, and hydraulic snow removing rolling brushes are multiple in components, complex in structure, prone to condensation in winter and the like.

In order to achieve the above purpose, the present application provides the following technical solutions:

a pure electric snow removal rolling brush comprises a rolling brush and a rolling brush mounting frame, wherein the rolling brush comprises a rolling brush mounting cover, a rolling brush shaft is arranged in the rolling brush mounting cover, a motor and a speed reducer are arranged on the side surface of the rolling brush mounting cover, the output end of the motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the rolling brush shaft through a spline structure, an encoder is arranged in the motor, and a junction box is arranged on the shell of the motor; be equipped with the lift electric cylinder on the round brush mounting bracket, vert the electric cylinder and the electric cylinder of every single move, the lift electric cylinder is articulated through the round pin axle with the lifting revolute pair, the lifting revolute pair with the round brush installation cover is connected, the electric cylinder that verts is articulated through the round pin axle with the revolute pair that verts, the revolute pair that verts with the round brush installation cover is connected, the electric cylinder of every single move is articulated through the round pin axle with the every single move revolute pair, the every single move revolute pair with the round brush installation cover is connected.

Further, the motor is a permanent magnet synchronous motor.

Furthermore, the number of the motors is two, and the two motors are arranged on two sides of the rolling brush installation cover.

Furthermore, the output end of the speed reducer is connected with the rolling brush shaft through a coupler.

Furthermore, the lifting electric cylinder, the tilting electric cylinder and the pitching electric cylinder are all servo electric cylinders.

Furthermore, a displacement sensor and a pressure sensor are arranged in the servo electric cylinder.

Further, the rolling brush further comprises a supporting wheel, and the supporting wheel is installed at the bottom of the rolling brush installation frame.

Furthermore, the output end of the motor is connected with the input end of the speed reducer through a flange plate.

In a second aspect, the snow remover comprises a cab, a power battery, a front automobile beam and a controller, and further comprises a touch screen and a pure electric snow removing rolling brush, wherein the touch screen is installed on the cab and electrically connected with the controller, a rolling brush mounting frame is connected with the front automobile beam, a motor is used for lifting an electric cylinder, a tilting electric cylinder and a pitching electric cylinder are both electrically connected with the power battery and the controller, and an encoder is electrically connected with the controller.

In a third aspect, a control method for a pure electric snow removing rolling brush is applied to the snow remover, and comprises the following steps:

the power battery provides power for the pure electric snow removing rolling brush;

operating the touch screen to enable the motor to run, reducing the rotating speed and increasing the torque through the speed reducer, driving the brush piece to rotate, and checking whether the idle running is normal or not;

aiming at different snow conditions, the running speed of the motor is adjusted, and the motors on the two sides of the rolling brush feed back signals to the controller through the encoder to realize synchronous rotation;

controlling a lead screw of the lifting electric cylinder to contract to drive the lifting rotating pair to lower the roller brush until the supporting wheel is contacted with the ground, sensing the sudden pressure drop by a pressure sensor of the lifting electric cylinder, feeding a signal back to the controller, and automatically stopping the contraction motion of the lifting electric cylinder;

the lead screw of the tilting electric cylinder is controlled to extend or contract to drive the tilting revolute pair, so that the rolling brush deflects 30 degrees in the horizontal direction to achieve the optimal snow sweeping angle;

the pitching electric cylinder is controlled to extend out, the brush sheet group is driven to fall through the pitching rotating pair until the brush sheet group is in close contact with the ground, and when the pressure sensor of the pitching electric cylinder reaches a preset pressure value, the screw rod of the pitching electric cylinder stops acting, so that the snow removing effect is ensured.

Compared with the prior art, the method has the following beneficial effects that:

1. the invention provides a pure electric snow removing rolling brush which comprises a rolling brush and a rolling brush mounting frame, wherein the rolling brush comprises a rolling brush mounting cover, a rolling brush shaft is arranged in the rolling brush mounting cover, a motor and a speed reducer are arranged on the side surface of the rolling brush mounting cover, the output end of the motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the rolling brush shaft, an encoder is arranged in the motor, and a junction box is arranged on the shell of the motor; be equipped with lift electric cylinder, the electric cylinder that verts and the electric cylinder of every single move on the round brush mounting bracket, the electric cylinder that goes up and down is articulated with the lift rotation pair, and the lift rotation pair is connected with the round brush installation cover, and the electric cylinder that verts is articulated with the rotation pair that verts, and the rotation pair that verts is connected with the round brush installation cover, and the electric cylinder of every single move is articulated with the rotation pair of every single move, the rotation pair of every single move with the round brush installation cover. The invention has simple structure and simple maintenance, and avoids the conditions of hydraulic oil condensation, overuse period replacement and oil leakage pollution; the development of pure electric vehicles is followed closely, and the electric direct drive efficiency is higher, and no pollutant is discharged.

2. The motor adopts the permanent magnet synchronous motor, and has high efficiency, simple and compact structure.

3. The electric cylinder adopts servo electric cylinder, embeds displacement sensor and pressure sensor, and accurate speed, position, the thrust control that accurate rotational speed, revolution, the moment of torsion control through servo motor are transformed into the lead screw can realize the accurate regulation to snow removing round brush lift, vert, every single move range and pressure to touch to the earth.

Drawings

To more intuitively illustrate the prior art and the present application, several exemplary drawings are given below. It should be understood that the specific shapes, configurations and illustrations in the drawings are not to be construed as limiting, in general, the practice of the present application; for example, it is within the ability of those skilled in the art to make routine adjustments or further optimizations based on the technical concepts disclosed in the present application and the exemplary drawings, for the increase/decrease/attribution of certain units (components), specific shapes, positional relationships, connection manners, dimensional ratios, and the like.

Fig. 1 is a schematic structural view of a pure electric snow removal rolling brush provided in an embodiment of the present application;

FIG. 2 is a partial enlarged view of a structure of the pure electric snow removing rolling brush provided by the embodiment of the application;

fig. 3 is a control schematic diagram of the pure electric snow removal rolling brush provided in the embodiment of the present application.

Description of reference numerals:

1. brushing sheets; 2. an electric motor; 3. a speed reducer; 4. a junction box; 5. a pitching rotation pair; 6. a chain; 7. a pitching electric cylinder; 8. a support wheel; 9. a tilting revolute pair; 10. a tilting electric cylinder; 11. a lifting electric cylinder; 12. a lifting revolute pair; 13. a rolling brush mounting frame; 14. a front cross member of the vehicle; 15. a touch screen; 16. a cab; 17. a power cell; 18. a vehicle cargo box; 19. an automobile chassis.

Detailed Description

The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.

In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish one referenced item from another without having a special meaning in technical connotation (e.g., should not be construed as emphasizing a degree or order of importance, etc.). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).

In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are generally used for easy visual understanding with reference to the drawings, and are not intended to absolutely limit the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.

Referring to fig. 1 and 2, an embodiment of the invention provides a pure electric snow removal rolling brush, which comprises a rolling brush and a rolling brush mounting frame 13, wherein the rolling brush comprises a rolling brush mounting cover, a rolling brush shaft is arranged in the rolling brush mounting cover, a motor 2 and a speed reducer 3 are arranged on the side surface of the rolling brush mounting cover, the output end of the motor 2 is connected with the input end of the speed reducer 3, the output end of the speed reducer 3 is connected with the rolling brush shaft, an encoder is arranged in the motor 2, and a junction box 4 is arranged on the shell of the motor 2; be equipped with lift electric cylinder 11, the electric cylinder 10 that verts and every single move electric cylinder 7 on the round brush mounting bracket 13, lift electric cylinder 11 is articulated with lift revolute pair 12, and lift revolute pair 12 is connected with the round brush installation cover, and the electric cylinder 10 that verts is articulated with the revolute pair 9 that verts, and the revolute pair 9 that verts is connected with the round brush installation cover, and every single move electric cylinder 7 is articulated with every single move revolute pair 5, and every single move revolute pair 5 is connected with the round brush installation cover.

Specifically, dozens of brush sheets 1 are serially connected and arranged on a rolling brush shaft, and the brush sheets 1 are standard components and are pressed by steel rings and brush bristles; the rolling brush shaft of the brush piece 1 is connected with the output shaft of the speed reducer 3 through a coupler, the speed reducer 3 is fixedly installed on the rolling brush installation frame 13 through a bolt, and the output shaft of the speed reducer 3 is in a spline form and can bear larger torque; the motor 2 is connected with the speed reducer 3 through a flange plate, the angle between the output shaft of the motor 2 and the output shaft of the speed reducer 3 is vertical, the non-working width of the snow removing rolling brush can be shortened, and the motor 2 is a permanent magnet synchronous motor, so that the efficiency is high, and the structure is simple and compact. Two motors 2 are arranged on two side faces of the rolling brush mounting cover, and each motor 2 is provided with an encoder.

The pitching electric cylinder 7, the tilting electric cylinder 10 and the lifting electric cylinder 11 are connected to the rolling brush mounting frame 13 through pin shafts, the pitching electric cylinder 7 is hinged with the pitching revolute pair 5 through the pin shafts, and a lead screw of the pitching electric cylinder 7 stretches and retracts to drive the pitching revolute pair 5 to control the ground contact pressure of the brush piece 1; the tilting electric cylinder 10 is hinged with the tilting revolute pair 9 through a pin shaft, and the inclination angle of the snow removing rolling brush and the advancing direction of the automobile chassis 19 is adjusted; lifting electric cylinder 11 is articulated through the round pin axle with lifting revolute pair 12, the jib end of lifting revolute pair 12 is through chain 6 with the round brush hoist, every single move electric cylinder 7, the electric cylinder 10 that verts all adopts servo electric cylinder with lifting electric cylinder 11, servo electric cylinder is the product with servo motor and lead screw integration, built-in displacement sensor and pressure sensor, accurate rotational speed through servo motor, the revolution, torque control changes the accurate speed that the lead screw into, the position, thrust control, can realize the lift to the snow removing round brush, it verts, the accurate regulation of every single move range and pressure to earth, supporting wheel 8 adopts unpowered vacuum child, provide the supporting role of round brush.

The embodiment of the invention provides a snow sweeper, wherein a pure electric snow sweeping rolling brush is integrally welded with a front cross beam 14 of an automobile through a rolling brush mounting frame 13, a touch screen 15 is arranged in a cab 16 and is electrically connected with a controller, and the cab 16, a power battery 17, an automobile container 18 and an automobile chassis 19 form the whole automobile of the electric sweeper, so that the functions of carrying, energy source and control are provided for the pure electric rolling brush. The motor 2, the lifting electric cylinder 11, the tilting electric cylinder 10 and the pitching electric cylinder 7 of the pure electric snow-removing rolling brush are electrically connected with the power battery 17 and the controller, the encoder is also electrically connected with the controller to transmit control signals and electric power, and the pure electric snow-removing rolling brush is controlled and communicated by a CAN bus.

Referring to fig. 3, an embodiment of the present invention provides a method for controlling a pure electric snow removing roller brush.

Specifically, in the actual use process, a driver starts an automobile in the cab 16, the power battery 17 starts to supply power to the whole automobile, the driver operates the touch screen 15 to enable the motor 2 to operate, the rotating speed is reduced through the speed reducer 3, the torque is increased, the brush piece 1 is driven to rotate, and whether idling is normal or not is checked; aiming at different snow conditions, the motor 2 can operate at an adjustable speed, and the motors 2 on the two sides of the rolling brush feed back signals to the controller through the encoder to realize synchronous rotation. And then controlling the lead screw of the lifting electric cylinder 11 to contract to drive the lifting revolute pair 12 to descend the roller brush until the supporting wheel 8 is contacted with the ground, sensing the pressure drop by a pressure sensor of the lifting electric cylinder 11, feeding a signal back to the controller, and automatically stopping the contraction motion of the lifting electric cylinder 11. The lead screw of the tilting electric cylinder 10 is controlled to extend out or contract to drive the tilting revolute pair 9, so that the rolling brush deflects 30 degrees in the horizontal direction, and the optimal snow sweeping angle is achieved. The pitching electric cylinder 7 is controlled to extend out, the brushing sheet 1 group is driven to fall through the pitching revolute pair 5, until the brushing sheet 1 group is in close contact with the ground, when a pressure sensor of the pitching electric cylinder 7 reaches a preset pressure value, the screw rod action of the pitching electric cylinder 7 is stopped, so that the brush bristles of the brushing sheet 1 are worn and the diameter is reduced, the ground contact pressure of the brushing sheet 1 can be still ensured, and the snow removing effect is ensured (or a key is started through a touch screen 15, and a built-in program of the controller automatically adjusts the actions of all parts to preset values, so that the use is facilitated). The driver drives the automobile to move forward, and the accumulated snow is swept to the roadside by the forward driving force of the automobile and the sweeping of the snow removing rolling brush.

All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for brevity of description, all the possible combinations of the technical features in the above embodiments are not described; such non-explicitly written embodiments should be considered as being within the scope of the present description.

The present application has been described in considerable detail with reference to certain embodiments and examples thereof. It should be understood that several conventional adaptations or further innovations of these specific embodiments may also be made based on the technical idea of the present application; however, such conventional modifications and further innovations can also fall into the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.

Claims

1. A pure electric snow removal rolling brush comprises a rolling brush and a rolling brush mounting frame, wherein the rolling brush comprises a rolling brush mounting cover, and a rolling brush shaft is arranged in the rolling brush mounting cover; be equipped with the lift electric cylinder on the round brush mounting bracket, vert the electric cylinder and the electric cylinder of every single move, the lift electric cylinder is articulated through the round pin axle with the lifting revolute pair, the lifting revolute pair with the round brush installation cover is connected, the electric cylinder that verts is articulated through the round pin axle with the revolute pair that verts, the revolute pair that verts with the round brush installation cover is connected, the electric cylinder of every single move is articulated through the round pin axle with the every single move revolute pair, the every single move revolute pair with the round brush installation cover is connected.

2. A pure electric snow removing roller brush as claimed in claim 1, wherein the electric motor is a permanent magnet synchronous motor.

3. A pure electric snow removing roller brush as claimed in claim 1, wherein there are two of said electric motors, two of said electric motors being provided on either side of said roller brush mounting cover.

4. A pure electric snow removing roller brush as claimed in claim 1, wherein the output of the speed reducer is connected to the roller brush shaft by a coupling.

5. A pure electric snow removing roller brush according to claim 1, wherein the lifting electric cylinder, the tilting electric cylinder and the pitching electric cylinder are all servo electric cylinders.

6. The all-electric snow removing roller brush as recited in claim 5, wherein the servo electric cylinder incorporates a displacement sensor and a pressure sensor.

7. The all-electric snow removing roller brush as claimed in claim 1, further comprising a support wheel mounted at the bottom of the roller brush mounting frame.

8. A purely electric snow-removing roller brush as claimed in claim 1, characterized in that the output of the electric motor is connected to the input of the reduction gear via a flange.

9. A snow sweeper comprises a cab, a power battery, a front cross beam of a vehicle and a controller, and is characterized by further comprising a touch screen and the pure electric snow removing rolling brush in any one of claims 1 to 8, wherein the touch screen is installed in the cab and electrically connected with the controller, a rolling brush installation frame is connected with the front cross beam of the vehicle, a motor, a lifting electric cylinder, a tilting electric cylinder and a pitching electric cylinder are all electrically connected with the power battery and the controller, and an encoder is electrically connected with the controller.

10. A pure electric snow removing rolling brush control method applied to the snow remover as claimed in claim 9, comprising: