Suction hood device for vacuum sweeper

Abstract

A dust suction hood device for a vacuum sweeper comprises a main dust suction hood body and two auxiliary dust suction hood bodies, the two auxiliary dust suction hood bodies are arranged on the rear wall of the main dust suction hood body in a sliding mode, the two auxiliary dust suction hood bodies are symmetrically arranged, and a plurality of dust suction modules are detachably arranged in the main dust suction hood body and the two auxiliary dust suction hood bodies. A mounting plate is horizontally arranged on the rear wall of the main dust suction hood body, two buffer assemblies are arranged at the top of the mounting plate, the tops of the buffer assemblies are higher than the top of the main dust suction hood body, and a driving part for controlling the auxiliary dust suction hood body to move is arranged at the top of the auxiliary dust suction hood body. Due to the fact that the dust collection modules working independently are arranged, the dust collection efficiency of the vacuum sweeper is improved, and the maintenance time and cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dust suction devices, in particular to a dust suction hood device for a dust suction vehicle. Background Art

[0002] A vacuum truck is a new type of road cleaning sanitation vehicle that uses a dust removal and filtration system. Its working principle is the same as that of a household vacuum cleaner. It mainly completes its work through airflow, extracts air to form a vacuum, and uses the working principle of negative pressure direct suction to collect and store dust and garbage. The vacuum truck relies entirely on airflow to complete its operation, avoiding secondary dusting, and has a good cleaning effect. The cleaning efficiency of dust and garbage is as high as over 99%, which is suitable for fast and dust-free cleaning of urban elevated roads, expressways, urban main roads, etc. The dust hood is an indispensable part of the vacuum truck. It can concentrate the suction power of the vacuum truck in a specific area, thereby effectively collecting dust and garbage, which determines the performance and cleaning effect of the vacuum truck.

[0003] Chinese patent document CN219731808U discloses a dust hood device for a sanitation vacuum cleaner vehicle, comprising a central dust hood body and two side dust hood bodies, the two side dust hood bodies are hinged to the central dust hood body, the central dust hood body is also provided with a control device capable of controlling the retraction and extension of the two side dust hood bodies, the side dust hood bodies are provided with an anti-collision mechanism capable of buffering collision, the side dust hoods are flexibly controlled by the control device, the vacuum width is adjusted, the vacuum efficiency is improved, and at the same time, when encountering obstacles during wide-width vacuuming operations, the obstacles can be effectively avoided from causing damage to the structure, thereby increasing the passability of the road conditions. The utility model proposes a dust hood device for a vacuum cleaner vehicle with other structures. Utility Model Content

[0004] The utility model aims to provide a dust suction hood device for a dust suction vehicle, which is provided with a plurality of dust suction modules working independently, thereby improving the dust suction efficiency of the dust suction vehicle and reducing the maintenance time and cost.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A dust suction hood device for a dust suction vehicle comprises a main dust suction hood and two auxiliary dust suction hoods, wherein the two auxiliary dust suction hoods are slidably arranged on the rear wall of the main dust suction hood, and the two auxiliary dust suction hoods are symmetrically arranged, and a plurality of dust suction modules are detachably arranged in the main dust suction hood and the two auxiliary dust suction hoods, a mounting plate is horizontally arranged on the rear wall of the main dust suction hood, two buffer assemblies are arranged on the top of the mounting plate, the top of the buffer assemblies is higher than the top of the main dust suction hood, and a driving member for controlling the movement of the auxiliary dust suction hood is arranged on the top of the auxiliary dust suction hood.

[0007] As a preferred technical solution, the outer side walls of the main dust collection hood and the two auxiliary dust collection hoods are provided with a plurality of universal wheels.

[0008] As a preferred technical solution, the dust suction module includes a shell and a dust suction pipe. The shell is a box structure with an opening at the bottom. The dust suction pipe is fixedly provided on the top of the shell, and the dust suction pipe is connected to the internal cavity of the shell.

[0009] As a preferred technical solution, the two buffer assemblies are arranged back to back, and each buffer assembly includes a buffer box, a buffer plate and a damping spring. The buffer box is provided with an opening on the side close to the auxiliary dust hood body, and the two buffer boxes are fixedly connected on the side away from the opening. A buffer plate of the same size as the opening is provided in the buffer box, and the buffer plate is movably connected to the inner wall of the buffer box through a damping spring.

[0010] As a preferred technical solution, the driving member is a hydraulic cylinder, the fixed end of the hydraulic cylinder is fixedly connected to the buffer plate, and the telescopic end of the hydraulic cylinder is fixedly connected to the top of the auxiliary dust hood through a vertically arranged connecting rod.

[0011] As a preferred technical solution, a rubber strip is provided at the bottom of the main dust hood and the two auxiliary dust hoods, and the top of the rubber strip is fixedly connected to the bottom of each side wall of the main dust hood and the two auxiliary dust hoods.

[0012] As a preferred technical solution, the outer side walls of the main dust collection hood and the two auxiliary dust collection hoods are provided with a sound absorbing layer.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, a plurality of independently working dust suction modules are provided. When a dust suction module is damaged, it will not affect the normal operation of other dust suction modules, and the damaged dust suction module can be replaced alone to continue working, which reduces the downtime for maintenance, reduces the maintenance cost, and improves the dust suction efficiency of the dust suction vehicle.

[0015] 2. In the present invention, the actual working width of the dust hood can be controlled by controlling the distance that the auxiliary dust hood moves outward, thereby improving the adaptability of the dust suction vehicle to different road surfaces.

[0016] 3. In the utility model, a sound-absorbing layer is provided to effectively reduce the working noise of the vacuum cleaner. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the utility model;

[0020] Figure 3 This is a rear view of the utility model;

[0021] The reference numerals are as follows:

[0022] A main dust suction hood body 1, an auxiliary dust suction hood body 2, a shell body 3, a dust suction pipe 4, a hydraulic cylinder 5, a mounting plate 6, a buffer assembly 7, a buffer box 8, a buffer plate 9, a damping spring 10, a universal wheel 11, and a rubber strip 12. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, it should also be noted that unless otherwise clearly specified and limited, if the terms "set", "install", and "connect" appear, they should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] Example

[0027] like Figure 1-3As shown, a dust hood device for a dust collection vehicle includes a main dust collection hood body 1 and two auxiliary dust collection hood bodies 2. The two auxiliary dust collection hood bodies 2 can be slidably arranged on the rear wall of the main dust collection hood body 1, and the two auxiliary dust collection hood bodies 2 are symmetrically arranged. A plurality of dust collection modules are detachably arranged in the main dust collection hood body 1 and the two auxiliary dust collection hood bodies 2. A mounting plate 6 is horizontally arranged on the rear wall of the main dust collection hood body 1. Two buffer components 7 are arranged on the top of the mounting plate 6. The buffer component 7 is located between the two auxiliary dust collection hood bodies 2. The top of the buffer component 7 is higher than the top of the main dust collection hood body 1. A driving member for controlling the movement of the auxiliary dust collection hood body 2 is arranged on the top of the auxiliary dust collection hood body 2.

[0028] It is worth mentioning that the main dust hood 1 and two auxiliary dust hoods 2 are provided with an installation position for the dust collection module, the dust collection module is used to clean dust and garbage, the buffer assembly 7 is provided to enable the auxiliary dust hood 2 to retract to avoid obstacles when encountering obstacles, the movement of the auxiliary dust hood 2 is controlled by the provided driving member, and the relative position of the main dust hood 1 and the auxiliary dust hood 2 is adjusted, that is, the deployment and retraction of the auxiliary dust hood 2 is controlled, and finally the coverage range of the entire dust hood is controlled.

[0029] In some feasible embodiments, a plurality of universal wheels 11 are provided on the outer side walls of the main dust collection hood 1 and the two auxiliary dust collection hoods 2 .

[0030] In some feasible embodiments, the dust suction module includes a shell 3 and a dust suction pipe 4. The shell 3 is a box structure with an opening at the bottom. A dust suction pipe 4 is fixedly provided on the top of the shell 3. One end of the dust suction pipe 4 is connected to the internal cavity of the shell 3. The other ends of several dust suction pipes 4 are finally connected to the main pipe, and the main pipe is connected to the dust suction port of the dust suction vehicle. The dust suction pipe 4 can absorb dust and garbage.

[0031] In particular, the shell 3 of the dust collection module is detachably connected to the inner wall of the main dust collection hood 1 and the two auxiliary dust collection hoods 2, and several dust collection modules are arranged in the hood in a mutually fitting manner. After being assembled, several dust collection modules match the shape of the hood, and each dust collection module has at least one side wall that fits the inner wall of the hood. When the shell 3 of a dust collection module is damaged, causing its sealing to decrease and affecting the dust collection effect, it will not affect the work of other dust collection modules, and only the dust collection module that has failed needs to be replaced. The shell 3 of the dust collection module is detachably connected to the inner wall of the hood by bolts.

[0032] In some feasible embodiments, the two buffer assemblies 7 are arranged back to back, and each buffer assembly 7 includes a buffer box 8, a buffer plate 9 and a damping spring 10. The buffer box 8 is provided with an opening on the side close to the auxiliary dust suction hood body 2, and the two buffer boxes 8 are fixedly connected on the side away from the opening. A buffer plate 9 of the same size as the opening is provided in the buffer box 8, and the buffer plate 9 is movably connected to the inner wall of the buffer box 8 through the damping spring 10.

[0033] In some feasible embodiments, the driving member is a hydraulic cylinder 5, the fixed end of the hydraulic cylinder 5 is fixedly connected to the buffer plate 9, and the telescopic end of the hydraulic cylinder 5 is fixedly connected to the top of the auxiliary dust suction hood body 2 through a vertically arranged connecting rod. The hydraulic cylinder 5 is controlled to push the auxiliary dust suction hood body 2 outward or inward, thereby controlling the overall width of the dust suction hood. It can be adjusted according to the width of the road surface to adapt to road cleaning work of different widths.

[0034] When the auxiliary dust hood 2 encounters an obstacle and collides with the obstacle, the auxiliary dust hood 2 will transmit the force to the hydraulic cylinder 5, and the hydraulic cylinder 5 will transmit the force to the buffer plate 9 of the buffer assembly 7. The buffer plate 9 is subjected to the force to compress the damping spring 10, so that the auxiliary dust hood 2 retracts and thus avoids the obstacle.

[0035] In some feasible embodiments, a rubber strip 12 is provided at the bottom of the main dust suction hood 1 and the two auxiliary dust suction hoods 2, and the top of the rubber strip 12 is fixedly connected to the bottom of each side wall of the main dust suction hood 1 and the two auxiliary dust suction hoods 2. The rubber strip 12 contacts the ground, thereby improving the sealing performance of the dust suction module.

[0036] In some feasible embodiments, the outer side walls of the main dust collection hood 1 and the two auxiliary dust collection hoods 2 are provided with a sound absorbing layer, which has the function of sound absorption and noise reduction.

[0037] In addition, it should be understood that although this specification is described in accordance with the implementation methods, not every implementation method contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art. So far, each embodiment of the present disclosure has been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here. The scope of the present disclosure is defined by the attached claims.

Claims

1. A dust hood device for a dust collection vehicle, comprising a main dust hood body (1) and two auxiliary dust hood bodies (2), characterized in that: The two auxiliary dust hoods (2) are slidably arranged on the rear wall of the main dust hood (1), and the two auxiliary dust hoods (2) are symmetrically arranged. A plurality of dust collection modules are detachably arranged in the main dust hood (1) and the two auxiliary dust hoods (2). A mounting plate (6) is horizontally arranged on the rear wall of the main dust hood (1). Two buffer components (7) are arranged on the top of the mounting plate (6). The top of the buffer component (7) is higher than the top of the main dust hood (1). A driving member for controlling the movement of the auxiliary dust hood (2) is arranged on the top of the auxiliary dust hood (2).

2. The dust hood device for a dust collection vehicle according to claim 1, characterized in that: The outer side walls of the main dust collection hood (1) and the two auxiliary dust collection hoods (2) are provided with a plurality of universal wheels (11).

3. The dust hood device for a dust collection vehicle according to claim 1, characterized in that: The dust suction module comprises a shell (3) and a dust suction pipe (4); the shell (3) is a box structure with an opening at the bottom; a dust suction pipe (4) is fixedly provided on the top of the shell (3); and the dust suction pipe (4) is communicated with an internal cavity of the shell (3).

4. The dust hood device for a dust collection vehicle according to claim 1, characterized in that: The two buffer components (7) are arranged back to back, and each of the buffer components (7) comprises a buffer box (8), a buffer plate (9) and a damping spring (10). The buffer box (8) is provided with an opening on a side close to the auxiliary dust hood (2), and the two buffer boxes (8) are fixedly connected on a side away from the opening. A buffer plate (9) having the same size as the opening is provided in the buffer box (8), and the buffer plate (9) is movably connected to the inner wall of the buffer box (8) via the damping spring (10).

5. The dust hood device for a dust collection vehicle according to claim 1, characterized in that: The driving member is a hydraulic cylinder (5), the fixed end of the hydraulic cylinder (5) is fixedly connected to the buffer plate (9), and the telescopic end of the hydraulic cylinder (5) is fixedly connected to the top of the auxiliary dust collection hood (2) via a vertically arranged connecting rod.

6. The dust hood device for a dust collection vehicle according to claim 1, characterized in that: The bottom of the main dust hood (1) and the two auxiliary dust hoods (2) are provided with a rubber strip (12), and the top of the rubber strip (12) is fixedly connected to the bottom of each side wall of the main dust hood (1) and the two auxiliary dust hoods (2).

7. The dust hood device for a dust collection vehicle according to claim 1, characterized in that: The outer side walls of the main dust collection hood (1) and the two auxiliary dust collection hoods (2) are provided with sound absorbing layers.

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