CN218233307U - A multi-stage garbage collection system for sweeping vehicles - Google Patents

Abstract

The utility model belongs to the technical field of the motor sweeper, concretely relates to multistage collecting system of rubbish for motor sweeper. The utility model comprises a first collecting box with an upward opening and a negative pressure fan which is arranged right above the first collecting box, wherein a bottom air inlet of the negative pressure fan and the opening of the first collecting box are connected through a grading box which is arranged between the first collecting box and the second collecting box, garbage sucked from a garbage collecting port through an air inlet pipe under negative pressure enters the grading box, and the classification of the garbage is realized by the negative pressure suction force of the negative pressure fan; and an air outlet of the negative pressure fan is communicated with the second collecting box, and an air outlet communicated with the external environment is formed in the second collecting box. The utility model discloses a multistage classification ensures negative-pressure air fan continuous operation's stability and high life demand, has solved current negative-pressure air fan and has fragile, change the difficult problem that the frequency is high, use cost is high.

Description

A multi-stage garbage collection system for sweeping vehicles

technical field

The utility model belongs to the technical field of sweeping vehicles, and in particular relates to a multi-stage garbage collection system for sweeping vehicles.

Background technique

With the improvement of sanitation standards in roads, outdoor squares, park scenic spots, and urban streets, the problems of low manual cleaning efficiency and difficulty in recruiting people have become more prominent. The emergence of sweeping vehicles is to solve these problems. The core function of the sweeper is mainly the cleaning and collection of garbage; the working principle of the sweeper on the market is mostly negative pressure pure suction type. After being filtered by the filter element, it finally enters the interior of the dustbin. However, under the above-mentioned working environment, there are not only easily crushed light garbage such as leaves, but also hard heavy garbage such as stones and bricks. The blades of the fan frequently contact and collide with heavy garbage, and the negative pressure fan is easily damaged, with high frequency of replacement and high cost of use. In addition, even if it is crushed garbage, the dust formed after crushing will adhere to the filter element, resulting in frequent cleaning of the filter element and high damage rate. Sweepers on the market will add waterway spray and atomization devices to reduce the burden on filter elements during garbage collection. However, the waterway dust suppression structure is greatly affected by environmental factors. inconvenient. Therefore, urgently need to solve.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the above-mentioned prior art and provide a multi-stage garbage collection system for cleaning vehicles, which can ensure the negative pressure through multi-stage classification while maintaining the function of crushing the garbage by the negative pressure fan. The stability and long service life requirements of the continuous operation of the fans solve the problems of the existing negative pressure fans that are easily damaged, have high frequency of replacement, and high cost of use.

In order to achieve the above object, the utility model adopts the following technical solutions:

A multi-stage garbage collection system for sweeping vehicles, characterized in that it includes a first collection box with an upward opening and a negative pressure fan located directly above the first collection box, the bottom air inlet of the negative pressure fan and the first The opening of the collection box is connected by the classification box located between the two, and the garbage from the garbage collection port through the negative pressure suction of the air inlet pipe enters the classification box, and is realized by the negative pressure suction force of the negative pressure fan. Garbage classification; the air outlet of the negative pressure fan is connected to the second collection box, and the second collection box is provided with an air outlet connected to the external environment.

Preferably, a cyclone separator is arranged above the second collection box, the inlet of the cyclone separator is connected to the air outlet of the negative pressure fan, the bottom outlet of the cyclone separator is connected to the inner cavity of the second collection box, and the top outlet of the cyclone separator is The external environment is connected through the air exhaust chamber; a filter body is arranged in the air exhaust chamber, and the outlet of the air exhaust chamber constitutes the air exhaust port.

Preferably, the filter body is a nano-scale filter plate, and the filter body includes a first filter plate arranged horizontally on the plate surface and a second filter plate separated on both sides of the first filter plate, and three filter plates are combined to form The U-shaped groove structure with the notch facing downward; the lower plates of the three filter plates form the filter surface, and the upper plates of each filter plate are equipped with vibration motors for vibration and dust removal.

Preferably, a funnel opening is provided directly below the U-shaped groove structure to facilitate the return of the dust after vibration and shedding to the inner cavity of the second collection box.

Preferably, a quick-release plate is arranged at the bottom of the cyclone separator, and a detachable hasp is provided on the quick-release plate, so as to form a detachable fixed fit with the opening of the second collection box.

Preferably, the first collection box is provided with an openable and closable discharge door for convenient discharge.

Preferably, the shape of the air inlet pipe is inclined tubular, the low-end nozzle of the air inlet pipe constitutes a garbage collection port, and the high-end nozzle of the air inlet pipe is connected to the inner cavity of the classification box; the garbage entering the first collection box satisfies the following formula : F2≤sinθ*G, F1＞cosθ*G, the garbage entering the air inlet of the negative pressure fan and the second collection box satisfies the following formula: F2＞sinθ*G, F1＞cosθ*G; where, F2 is the air inlet The support force of the pipe wall to the garbage, F1 is the negative pressure suction force of the negative pressure fan, G is the weight of the garbage, and θ is the angle between the gravity direction of the garbage and the axis of the air inlet pipe.

Preferably, the bottom surface of the grading box is in the shape of a trumpet mouth which is convenient for gathering materials.

The beneficial effects of the utility model are:

1) By fixing the position of the negative pressure fan and the first collection box, and setting the classification box, in actual use, the garbage sucked from the garbage collection port through the negative pressure of the air inlet pipe will first enter the negative pressure In the classification box between the fan and the first collection box, and with the suction control of the negative pressure fan, heavy garbage such as bricks will fall into the first collection box because the suction is less than the gravity of the garbage, or because the suction is greater than The gravity of the garbage makes the light garbage such as blades go up to the negative pressure fan and be crushed, so that the garbage to be crushed that can go up into the impeller cavity of the negative pressure fan is light garbage that is easier to handle, thereby playing a role The function of protecting the blade.

So far, the utility model can obviously ensure the stability of the negative pressure fan's continuous work and high life requirements through multi-level classification while maintaining the function of the negative pressure fan for crushing garbage, and avoid frequent impact of bricks and other garbage on the blades. As a result, the existing negative pressure fan is easily damaged, the frequency of replacement is high, and the use cost is high.

2) As a further preferred solution of the above solution, after the primary classification of heavy garbage and light garbage, the utility model is additionally equipped with a secondary classification and dust filtering structure for subsequent garbage. The light garbage will enter the cyclone separator after being pulverized by the blades of the impeller chamber, and the solid particles in it will fall into the second collection box, and the dust airflow will go up, thus realizing the secondary classification effect. Subsequently, the dust airflow is filtered by the filter body, ensuring that the gas at the exhaust outlet is clean and dust-free gas, which is extremely convenient and quick to use, and the effect is remarkable.

3) Since the nano-scale filter plate is filtering, there will inevitably be dust accumulation on the filter surface, and it needs to be cleaned after long-term use to ensure its service life. The utility model is provided with a vibrating motor, which can achieve self-maintenance and self-cleaning effects through the vibration of the vibrating motor during daily operations, thereby effectively prolonging the cycle of major cleaning and major maintenance, increasing its operating frequency, and ensuring operating efficiency.

4) The arrangement of the funnel mouth can ensure that the dust after vibration can naturally fall into the second collection box. The quick release plate ensures the quick replacement of the second collection box. For the first collection box, since it collects mostly large-grained solids such as bricks, it does not need to be replaced directly, and the material can be taken out through the discharge door during use.

Description of drawings

Fig. 1 is the assembly schematic diagram of the present utility model;

Fig. 2 is the working state chart of structure shown in Fig. 1;

Fig. 3 is the front view of the utility model;

Figure 4 is a schematic diagram of the force of the garbage at the air inlet pipe;

Fig. 5 is a schematic diagram of the installation of the exhaust chamber, the cyclone separator and the second collection box of the present invention.

The actual corresponding relationship between each label of the present utility model and part name is as follows:

a-chassis

10-First collection box 20-Negative pressure fan 30-Classification box

40-air inlet pipe 41-garbage collection port 50-second collection box 60-cyclone separator

70-exhaust chamber 71-filter body 72-vibration motor 73-funnel mouth

80-Quick release plate 81-Buckle

detailed description

For ease of understanding, here in conjunction with Fig. 1-5, the concrete structure of the present utility model and working method are further described as follows:

The specific structure of the utility model is shown in Figures 1-5, including a garbage collection port 41, an air inlet pipe 40, a negative pressure fan 20, a classification box 30, a first collection box 10, and a cyclone separator arranged in sequence along the airflow path 60. The second collection box 50, the nano-scale filter plate constituting the filter body 71, the vibrating motor 72 and the corresponding power supply; each component is installed on the chassis a of the vehicle as shown in Figure 1-2 to realize the on-board operation Purpose. So far, the utility model can realize the multi-stage and high-efficiency garbage recovery function of the sweeping vehicle and even other corresponding working vehicles, so as to increase its working capacity and working effect, and make the road surface more clean and tidy.

Furthermore, the utility model can directly use electric energy to work, and the energy consumed is completely provided by the power supply. Taking the driving direction of the vehicle as the front, all components of the utility model are integrated behind the garbage collection port 41. The garbage collection port 41 can form a cavity made of high-quality carbon steel side walls and bottom rubber. There is a pipe opening on the upper side of the cavity, and A loop channel is formed by assembling the air inlet pipe 40 with the classification box 30 . During assembly, a negative pressure fan 20 is installed directly above the classification box 30 , and a bell-mouth-shaped diversion structure is provided below to connect to the first collection box 10 . Fan motor is installed on the negative pressure blower 20, so that negative pressure blower 20 working powers are provided. The airflow generated by the negative pressure fan 20 is exhausted to the cyclone separator 60 . The outlet at the bottom of the cyclone separator 60 is connected to the second collection box 50 , and the outlet at the top of the cyclone separator 60 is connected to the air outlet through the nanoscale filter plate forming the filter body 71 . Vibration motor 72 is all equipped with on the top of three nano-scale filter plates, so that vibration dust removal power is provided.

In order to realize the quick-change effect of the second collection box 50, as shown in Figure 1-3, a quick-release plate 80 is arranged at the outlet of the bottom end of the cyclone separator 60, and a detachable buckle is arranged on the quick-release plate 80 81, so as to form a detachable fixed fit with the opening of the second collection box 50. Of course, the hasp 81 can also be replaced by other detachable connection accessories such as jaws, bolts, screws, etc., which will not be repeated here.

Further, as shown in Figures 1-4, the shape of the air inlet pipe 40 is inclined tubular, the low end nozzle of the air inlet pipe 40 constitutes the garbage collection port 41, and the high end nozzle of the air inlet pipe 40 communicates with the inner cavity of the classification box 30 . With reference to Fig. 3-4 shown, the rubbish that enters in the first collection box 10 satisfies the following formula: F2≤sinθ*G, F1>cosθ*G, enters the air inlet of negative pressure fan 20 and the second collection box 50 The garbage satisfies the following formula: F2>sinθ*G, F1>cosθ*G; where, F2 is the support force of the wall of the air inlet pipe 40 on the garbage, F1 is the negative pressure suction force of the negative pressure fan 20, and G is the garbage Weight, θ is the angle between the direction of gravity of the garbage and the axis of the air inlet pipe 40.

The actual work flow of the utility model is as follows:

When the vehicle is running, the power is turned on, and the fan motor drives the negative pressure fan 20 to work, so that the loop channel formed by the garbage collection port 41 and the air inlet pipe 40 generates a negative pressure airflow, and the ground garbage solids are transported along the direction of the airflow: ①When heavy garbage such as bricks satisfies; F2≤sinθ*G, F1＞cosθ*G, the garbage will roll against the pipe wall and move along the airflow direction; ②When light garbage such as leaves or dust meet; F2 >sinθ*G, F1>cosθ*G, the garbage will be suspended in the pipeline and move along the airflow direction, where G is the gravity of the garbage itself, F2 is the support force of the pipeline wall to the garbage, F1 is the suction force of the airflow on the garbage and is The variable value, θ is the angle between the garbage movement direction and the horizontal plane. In summary, as shown in Figure 3, the heavy garbage will be separated at the classification box 30 and fall into the first collection box 10; the light garbage or dust will continue to enter the cyclone separator along the airflow through the negative pressure fan 20 60, and through the gas rotation in the cyclone separator 60, part of the light garbage will be collected in the first collection box 10, and the final dust will travel to the exhaust chamber 70 through the cyclone outlet pipe with the airflow, and finally Excluded through the nano-scale filter plate, the dust is filtered on the nano-scale filter plate. When the utility model has been repeatedly working for a period of time, and the dust is accumulated too much on the nano-scale filter plate and the dust collection effect of the negative pressure fan 20 is reduced, the work of the negative pressure fan 20 can be stopped, and the vibration motor 72 can be turned on to remove the dust on the nano-scale filter plate. The dust and rubbish fall off on the inclined wall of the funnel mouth 73 by vibration, and are collected in the first collection box 10 by the pipeline guidance and falling off of the cyclone separator 60 . So far, through the three-level hierarchical structure, the utility model has realized the function of electronically controlled automatic operation and efficient dust-free discharge, and has overcome all the difficulties of sweeping vehicles, manual dust removal or dust leakage.

Of course, for those skilled in the art, the present utility model is not limited to the details of the above-mentioned exemplary embodiments, but also includes the same embodiments that can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. or similar structures. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

The technologies, shapes and construction parts not described in detail in the utility model are all known technologies.

Claims (8)

1. The utility model provides a multistage collecting system of rubbish for motor sweeper which characterized in that: the garbage classification device comprises a first collection box (10) with an upward opening and a negative pressure fan (20) positioned right above the first collection box (10), wherein an air inlet at the bottom end of the negative pressure fan (20) is connected with an opening of the first collection box (10) through a classification box (30) positioned between the air inlet and the opening, garbage sucked from a garbage collection port (41) through an air inlet pipe (40) in a negative pressure mode enters the classification box (30), and garbage classification is realized by means of the negative pressure suction force of the negative pressure fan (20); the air outlet of the negative pressure fan (20) is communicated with the second collecting box (50), and an air outlet communicated with the external environment is formed in the second collecting box (50).

2. The multi-stage garbage collection system for the sweeper according to claim 1, wherein: a cyclone separator (60) is arranged above the second collecting box (50), an inlet of the cyclone separator (60) is communicated with an air outlet of the negative pressure fan (20), a bottom outlet of the cyclone separator (60) is communicated with an inner cavity of the second collecting box (50), and a top outlet of the cyclone separator (60) is communicated with the external environment through an exhaust cavity (70); a filter body (71) is arranged in the exhaust cavity (70), and the outlet of the exhaust cavity (70) forms the exhaust outlet.

3. The multi-stage garbage collection system for the sweeper according to claim 2, wherein: the filter body (71) is a nano-scale filter plate, the filter body (71) comprises a first filter plate and second filter plates, the first filter plate and the second filter plates are horizontally arranged on the plate surface, the second filter plates are respectively arranged on two sides of the first filter plate, and the three filter plates are combined together to form a U-shaped groove structure with a downward notch; the lower plate surfaces of the three filter plates form a filter surface, and the upper plate surface of each filter plate is provided with a vibration motor (72) for vibration dust removal.

4. The multi-stage garbage collection system for the sweeper according to claim 3, wherein: a funnel opening (73) which is convenient for returning the dust after vibration shedding to the inner cavity of the second collection box (50) is arranged right below the U-shaped groove structure.

5. The multistage garbage collection system for sweeper according to claim 2, 3 or 4, wherein: the bottom end of the cyclone separator (60) is provided with a quick-mounting plate (80), and the quick-mounting plate (80) is provided with a detachable hasp (81) so as to form detachable fixed connection cooperation with the opening of the second collecting box (50).

6. The multistage garbage collection system for sweeper according to claim 1, 2, 3 or 4, wherein: the first collecting box (10) is provided with a discharge door which is convenient for discharging and can be opened and closed.

7. The multistage garbage collection system for sweeper according to claim 1, 2, 3 or 4, wherein: the air inlet pipe (40) is in an inclined pipe shape, a garbage collecting opening (41) is formed by a lower end pipe opening of the air inlet pipe (40), and a high end pipe opening of the air inlet pipe (40) is communicated with an inner cavity of the grading box (30); the waste entering the first collection bin (10) satisfies the following formula: f2 is not more than sin theta G, F1 is more than cos theta G, and the garbage entering the air inlet of the negative pressure fan (20) and the second collection box (50) meets the following formula: f2 > sin theta G, F1 > cos theta G; f2 is the supporting force of the pipe wall of the air inlet pipe (40) to the garbage, F1 is the negative pressure suction force of the negative pressure fan (20), G is the garbage weight, and theta is the included angle between the garbage gravity direction and the axial line of the air inlet pipe (40).

8. The multistage garbage collection system for sweeper according to claim 1, 2, 3 or 4, wherein: the bottom surface of the grading box (30) is in a horn mouth shape convenient for gathering materials.

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