Front brush system of washing and sweeping vehicle and washing and sweeping vehicle having the same

Abstract

The invention discloses a front side brush system for a washing and sweeping vehicle, comprising a frame carrier and a pair of front side brush assemblies, a side brush lifting oil cylinder, and a side brush lifting main beam and a side brush lifting secondary beam that can be quickly docked and installed, wherein the inner end of the side brush lifting main beam is hinged on the frame carrier, the upper end of the side brush lifting oil cylinder is hinged on the frame carrier, the lower end of the side brush lifting oil cylinder is hingedly connected to the side brush lifting main beam, and the pair of front side brush assemblies are arranged on the side brush lifting secondary beam. The lifting structure and the front side brush structure are split into quick installation structures, which can be assembled separately and then installed, and the installation and disassembly are simple and convenient, and are convenient for later maintenance and replacement; a collision protection structure is provided on the width adjustment to avoid damage to the structural parts and extend the service life.

Description

Technical Field

[0001] The present invention relates to the technical field of washing and sweeping vehicles, and in particular to a front brush system of a washing and sweeping vehicle and a washing and sweeping vehicle having the same. Background Art

[0002] The front brush assembly of the current washing and sweeping vehicle is mostly an integral structure fixed on a lifting frame, which is assembled as a whole to form an assembly part. The overall structure is complex, occupies a large space, and is not convenient for installation and operation.

[0003] For example, a pure electric road sweeper disclosed in Chinese patent CN110984046A includes a chassis, a cleaning system, a spraying system, a power system, a dirt storage system, an electronic control system and a cab. The cleaning system is arranged in the middle of the lower end of the chassis, the spraying system is arranged behind the cleaning system, the power system is arranged on the rear side of the upper end of the chassis, the dirt storage system is arranged on the rear side of the upper end of the chassis, the electronic control system is arranged in the cab, and the cab is arranged at the front of the upper end of the chassis. The cleaning system includes a front brush, a rear brush, a main brush, a conveyor belt and a main brush box. The front brush is arranged at the front of the lower end of the chassis, the rear brush is arranged in the middle of the lower end of the chassis, the main brush is arranged on the rear side of the rear brush, and the main brush box formed by the cooperation of the main brush and the conveyor belt sends the garbage into the dirt storage system. Another example is a hybrid power washing and sweeping vehicle for sanitation disclosed in Chinese patent CN105019386A, which includes a base and a frame and tires. The frame is divided into a cab and a distribution room. The front and both sides of the cab are panoramic glass structures. The distribution room is provided with a trash can and a system room for placing power mechanisms and functional components. The system room is provided with a vacuum suction pipe, which is connected to a vacuum centrifugal fan. The rear end of the vacuum suction pipe is connected to the trash can, and the front end extends to the lower end of the base. A crushing device is provided inside the front part of the vacuum suction pipe, and a sweeping mechanism is provided at the front end of the frame, and a water mist nozzle is provided on the sweeping mechanism. The front brush assemblies of the two disclosed washing and sweeping vehicles are all integral assembly structures. After the components are assembled into an assembly, they are installed as a whole, which is cumbersome to install. Summary of the invention

[0004] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a front brush system for a washing and sweeping vehicle and a washing and sweeping vehicle having the same, so as to achieve the purpose of easy installation and disassembly.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A front side brush system for a washing and sweeping vehicle comprises a frame carrier and a pair of front side brush assemblies, and also comprises a side brush lifting cylinder and a side brush lifting main beam and a side brush lifting sub-beam that can be quickly docked and installed. The inner end of the side brush lifting main beam is hinged to the frame carrier, the upper end of the side brush lifting cylinder is hinged to the frame carrier, the lower end of the side brush lifting cylinder is hingedly connected to the side brush lifting main beam, and the pair of front side brush assemblies are arranged on the side brush lifting sub-beam.

[0007] A main docking block is arranged at the front end of the side brush lifting main beam, and a secondary docking block is arranged on the side brush lifting secondary beam. The main docking block and the secondary docking block are connected by fasteners after being fitted together.

[0008] An oil pipe quick-connect assembly is arranged on the front end of the side brush lifting main beam.

[0009] It also includes a pair of side brush rotating brackets, one end of which is hinged on the side brush lifting sub-beam through a rotating shaft and a torsion spring, and the front side brush assembly is arranged on the corresponding side brush rotating bracket.

[0010] The side brush lifting main beam and the side brush lifting secondary beam are both U-shaped frame structures.

[0011] The auxiliary docking block is provided with a card slot, which is clamped on the main docking block.

[0012] The side brush rotating bracket is provided with a high-pressure rotating nozzle assembly.

[0013] The frame carrier is provided with a side brush retracting and releasing oil cylinder, and the piston rod end of the side brush retracting and releasing oil cylinder is connected to the side brush rotating bracket through a side brush retracting and releasing cable.

[0014] The side brush rotating bracket is provided with a collision protection structure, which includes an anti-collision spring, a stopper, and a cable hook hinged on the side brush rotating bracket. The anti-collision spring is provided on the side brush rotating bracket, and one end of the spring is connected to one end of the cable hook. One end of the side brush retractable cable is connected to a side brush retractable cable buckle, and the side brush retractable cable buckle is sleeved on the other end of the cable hook. The stopper is provided on the side brush rotating bracket corresponding to the other end of the cable hook.

[0015] A washing and sweeping vehicle comprises the front brush system of the washing and sweeping vehicle.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] The front brush system of the washing and sweeping vehicle has a reasonable structural design. The lifting structure and the front brush structure are split into quick-install structures and can be assembled separately for installation. The installation and disassembly are simple and convenient for later maintenance and replacement. A collision protection structure is provided on the width adjustment to avoid damage to the structural parts and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following is a brief description of the contents and symbols in the drawings of this specification:

[0019] Figure 1 It is a schematic diagram of the decomposition of the front brush system of the present invention.

[0020] Figure 2 It is a schematic diagram of the structure of the front brush system of the present invention.

[0021] Figure 3 It is a bottom schematic diagram of the front brush system of the present invention.

[0022] Figure 4 It is a schematic diagram of adjusting the front brush system of the present invention.

[0023] Figure 5 It is a schematic diagram of the collision protection structure of the present invention.

[0024] In the figure:

[0025] Frame carrier 1, motor hydraulic station 2, lifting cylinder hydraulic station 3, side brush retracting and releasing cylinder 4, side brush retracting and releasing cable 5, side brush lifting cylinder 6, side brush lifting main beam 7, oil pipe quick connection assembly 8, side brush lifting subbeam 9, reset torsion spring 10, side brush rotating bracket 11, high-pressure rotating nozzle assembly 12, side brush motor bracket 13, hydraulic motor 14, side brush mounting bracket 15, wire side brush 16, side brush retracting and releasing cable front buckle 17, side brush retracting and releasing cable rear buckle 18, cable hook 19, anti-collision tension spring 20. DETAILED DESCRIPTION

[0026] The specific implementation modes of the present invention will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

[0027] like Figures 1 to 5 As shown, the front side brush system of the washing and sweeping vehicle includes a frame carrier, a pair of front side brush assemblies, a side brush lifting cylinder, and a side brush lifting main beam and a side brush lifting sub-beam that can be quickly docked and installed; the inner end of the side brush lifting main beam is hinged to the frame carrier, the upper end of the side brush lifting cylinder is hinged to the frame carrier, the lower end of the side brush lifting cylinder is hingedly connected to the side brush lifting main beam, and a pair of front side brush assemblies are arranged on the side brush lifting sub-beam.

[0028] Preferably, a main docking block is provided at the front end of the side brush lifting main beam, and a secondary docking block is provided on the side brush lifting secondary beam, and the main docking block and the secondary docking block are connected by fasteners after being fitted. The lifting structure and the front side brush structure of the present invention adopt a split quick installation structure, which can be assembled separately and then installed, and the installation and disassembly are simple and convenient for later maintenance and replacement.

[0029] Furthermore, a slot is provided on the secondary docking block, which is clamped on the main docking block; the slot is a step slot, the main docking block supports the secondary docking block, and the connection is reliable; an oil pipe quick-connect assembly is provided on the front end of the side brush lifting main beam, which is convenient for quick docking of various pipelines.

[0030] The side brush lifting main beam and the side brush lifting sub-beam are both U-shaped frame structures. The side brush lifting main beam is located inside the side brush lifting sub-beam, and the structure is compact.

[0031] The present invention also includes a pair of side brush rotating brackets, one end of which is hinged on the side brush lifting sub-beam through a rotating shaft and a torsion spring, and the front side brush assembly is arranged on the corresponding side brush rotating bracket; a side brush retracting and releasing cylinder is provided on the frame carrier, and the piston rod end of the side brush retracting and releasing cylinder is connected to the side brush rotating bracket through a side brush retracting and releasing cable.

[0032] Furthermore, a high-pressure rotating nozzle assembly is provided on the side brush rotating bracket; a support ear is provided on the outer side of the side brush rotating bracket, and the high-pressure rotating nozzle assembly is arranged on the support ear.

[0033] Furthermore, a collision protection structure is provided on the side brush rotating bracket; preferably, the collision protection structure includes an anti-collision spring, a stopper, and a cable hook hinged on the side brush rotating bracket, the anti-collision spring is provided on the side brush rotating bracket, one end of which is connected to one end of the cable hook, one end of the side brush retracting cable is connected to a side brush retracting cable buckle, the side brush retracting cable buckle is sleeved on the other end of the cable hook, and the stopper is provided on the side brush rotating bracket corresponding to the other end of the cable hook. The width adjustment is provided with a collision protection structure to avoid damage to the structural parts and extend the service life.

[0034] Preferred embodiments of the present invention are:

[0035] The motor hydraulic station 2 and the lifting cylinder hydraulic station 3 are respectively installed on the left and right sides of the middle of the workshop carrier 1 by bolts, and are respectively used to drive the hydraulic motor 14 and the side brush retracting cylinder 4 and the side brush lifting cylinder 6; the side brush lifting cylinder 4 is horizontally installed on the left front of the frame carrier through a pin shaft, one end of the side brush lifting cylinder 6 is installed on the front end of the frame carrier 1 through a welding shaft, and the other end is installed on the right side of the side brush lifting main beam 7 through a welding shaft, the oil pipe quick connection assembly 8 is installed at the rear end of the side brush lifting sub-beam 9, which is used for the oil pipe connection of the motor hydraulic station 2 and the hydraulic motor 14, and the side brush lifting main beam 7 is installed at the front end of the frame carrier 1 through a quick-release pin shaft, and can rotate up and down through point C; the side brush lifting sub-beam 9 is installed on the side brush lifting main beam 7 by bolts, see Figure 2 ; The side brush rotating bracket 11 is coaxially installed on both sides of the side brush lifting sub-beam 9 with the high-pressure rotating nozzle assembly 12 through a pin shaft, and can rotate left and right through point D. The reset torsion spring 10 is installed on the pin shaft to allow the side brush rotating bracket to reset freely; after the side brush motor bracket 13, hydraulic motor 14, side brush mounting bracket 15, and wire side brush 16 are installed from top to bottom into an assembly through bolts, the side brush motor bracket 13 is installed on the side brush rotating bracket 11 through bolts, and the inclination angle can be adjusted left and right.

[0036] The cable hook 19 is installed on the welding shaft of the side brush rotating bracket 11 on both sides and can be turned at all angles. One end of the anti-collision tension spring 20 is connected to the cable hook 19, and the other end is connected to the bottom of the side rotating bracket 11 through a slipknot bolt. One end of the side brush retracting and releasing cable 5 is connected to the side brush retracting and releasing cylinder 4 through the side brush retracting and releasing cable front buckle 17, and the other end is connected to the cable hook 19 through the side brush retracting and releasing cable rear buckle 18.

[0037] Working principle: When the washing and sweeping vehicle is working, the lifting cylinder hydraulic station 3 is operated through the electronic control, and then drives the side brush retracting cylinder 4 and the side brush lifting cylinder 6 to extend straight along the A direction and the B direction respectively, so that the front side brush system of the washing and sweeping vehicle can fall to the appropriate working height and width requirements under the linkage of a series of brackets. At the same time, through the electronic control, the motor hydraulic station works to drive the hydraulic motor to press Figure 4 The middle E direction faces inward and rotates at 150r / min, so as to clean the stubborn attachments on the working road surface (compacted mud, thick oil stains, etc.); at the same time, the high-pressure rotating nozzle assembly is opened to disperse or dissolve the stubborn attachments swept out for vacuum absorption and collection by the suction cup of the washing and sweeping vehicle, and at the same time, the working road surface is cleaned with high pressure.

[0038] The advantages of the washing and sweeping vehicle of the present invention are as follows: 1. The side brush system of the present invention has a wider working width and height working range than general washing and sweeping vehicles through hydraulic inching height lifting and width retraction, and can be suitable for cleaning roads of different widths and curbs of different heights, thereby improving cleaning efficiency; 2. The side brush system of the present invention adopts a hydraulic motor and a wire side brush, which has sufficient power, high cleaning efficiency, and long service life of consumables; 3. The front side brush system integrates cleaning and high-pressure flushing, and the cleaning effect is greatly improved compared with traditional single cleaning and single sweeping equipment, and can be used in more complex and poor working conditions; 4. The side brush system of the present invention adopts a cable with an anti-collision tension spring connection for width adjustment, so that the mechanism has increased collision protection. When a large external force impacts, the cable is unhooked to avoid damage to the structural parts and extend the service life; 5. The assembly connection of the side brush system adopts a quick-release pin shaft and an oil pipe quick connector assembly, which can be replaced and installed into a front spray rod assembly, and can be used for overall cleaning and maintenance of the road surface, thereby achieving a multi-purpose function of one vehicle.

[0039] The above is only an explanation of the preferred embodiments of the present invention, and the above technical features can be arbitrarily combined to form multiple embodiments of the present invention.

[0040] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A front brush system for a washing and sweeping vehicle, comprising a frame carrier and a pair of front brush assemblies, characterized in that: It also includes a side brush lifting cylinder and a side brush lifting main beam and a side brush lifting sub-beam that can be quickly docked and installed, the inner end of the side brush lifting main beam is hinged on the frame carrier, the upper end of the side brush lifting cylinder is hinged on the frame carrier, the lower end of the side brush lifting cylinder is hingedly connected to the side brush lifting main beam, and a pair of front side brush assemblies are arranged on the side brush lifting sub-beam; A main docking block is provided at the front end of the side brush lifting main beam, and a secondary docking block is provided on the side brush lifting secondary beam. The main docking block and the secondary docking block are connected by fasteners after being fitted together; a card slot is provided on the secondary docking block, and the card slot is clamped on the main docking block; an oil pipe quick-connect assembly is provided on the front end of the side brush lifting main beam; It also includes a pair of side brush rotating brackets, one end of which is hinged on the side brush lifting sub-beam through a rotating shaft and a torsion spring, and the front side brush assembly is arranged on the corresponding side brush rotating bracket; A side brush retracting cylinder is provided on the frame carrier, and the piston rod end of the side brush retracting cylinder is connected to the side brush rotating bracket through a side brush retracting cable; a collision protection structure is provided on the side brush rotating bracket, and the collision protection structure includes an anti-collision spring, a stopper, and a cable hook hinged on the side brush rotating bracket, the anti-collision spring is provided on the side brush rotating bracket, one end of which is connected to one end of the cable hook, one end of the side brush retracting cable is connected to a side brush retracting cable buckle, the side brush retracting cable buckle is sleeved on the other end of the cable hook, and the stopper corresponding to the other end of the cable hook is provided on the side brush rotating bracket.

2. The front brush system of a washing and sweeping vehicle as claimed in claim 1, characterized in that: The side brush lifting main beam and the side brush lifting secondary beam are both U-shaped frame structures.

3. The front brush system of a washing and sweeping vehicle as claimed in claim 1, characterized in that: The side brush rotating bracket is provided with a high-pressure rotating nozzle assembly.

4. A washing and sweeping vehicle, characterized in that: It comprises the front brush system of a washing and sweeping vehicle as described in any one of claims 1 to 3.

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