CN116044624A - A cleaning device for the air filter of a cotton picker - Google Patents

Abstract

The invention belongs to the technical field of air filtration, and specifically relates to a cleaning device for an air filter of a cotton picker, comprising a housing, a base fixed on the lower end surface of the housing, an air intake pipe connected to the bottom of the housing, and an air intake pipe connected to the housing near the air intake pipe. An air outlet pipe at one end, a filter element structure and a cleaning structure for cleaning the filter element structure are installed inside the housing, one end of the filter element structure communicates with the air outlet pipe, and a dust discharge pipe is connected to the bottom of the end of the housing away from the air intake pipe, and A detachable sealing cover is installed at the bottom opening of the dust discharge pipe; the cleaning structure includes an electric telescopic rod installed inside the filter element structure and an air jet structure installed at the telescopic end of the electric telescopic rod, and a The air pipe connected by the jet structure. It overcomes the shortcomings of the existing technology, has the advantages of intelligent work and high efficiency, protects the vehicle, guarantees the production efficiency, and eliminates the trivial work of traditional cleaning work.

Description

A cleaning device for the air filter of a cotton picker

technical field

The invention belongs to the technical field of air filtration, and in particular relates to a cleaning device for an air filter of a cotton picker.

Background technique

At present, there are roughly two main technical means for the detection and cleaning of automotive air filter clogging, one is manual regular maintenance, and the other is more automatic, that is, using sensors to detect the pressure difference on both sides of the air filter. After the pressure is set, an alarm will be issued, and then professional equipment will be used to clean it. The existing treatment method is to disassemble the filter element of the air filter and then manually clean it, especially for cotton pickers working in a windy and sandy environment. The working environment of the filter is very harsh, and the working area is very wide. If the filter element is disassembled and cleaned, the working efficiency will be greatly reduced.

Contents of the invention

The purpose of the present invention is to provide a cleaning device for the air filter of a cotton picker, which overcomes the deficiencies of the prior art, has the advantages of intelligent work and high efficiency, protects the vehicle, and provides guarantee for production efficiency. Eliminates the menial work of traditional cleaning.

In order to solve the above problems, the technical scheme adopted in the present invention is as follows:

A cleaning device for the air filter of a cotton picker, comprising a casing, a base fixed on the lower end surface of the casing, an air inlet pipe connected to the bottom of the casing, and an air outlet pipe connected to the end of the casing near the air inlet pipe. The filter element structure and the cleaning structure for cleaning the filter element structure, one end of the filter element structure communicates with the air outlet pipe, the bottom of the end of the shell away from the air intake pipe is connected with a dust discharge pipe, and the bottom opening of the dust discharge pipe is installed with a Disassembled sealing cover;

The cleaning structure includes an electric telescopic rod installed inside the filter element structure and an air jet structure installed at the telescopic end of the electric telescopic rod, and an air pipe connected with the air jet structure is pierced inside the electric telescopic rod, and the air pipe is connected with the air outside the casing. source connection.

Further, the filter element structure includes a primary filter element and a secondary filter element installed inside the casing, the primary filter element is located inside the secondary filter element, and the pores of the primary filter element are smaller than the pores of the secondary filter element, and the air injection structure is located on the inside of the secondary filter element. On the inner side of the first-stage filter element, a detachable wire mesh is installed at the opening of one end of the air inlet away from the shell, and the pores of the wire mesh are larger than those of the secondary filter element.

Further, the air injection structure includes a rotating support rod connected to the electric telescopic rod and an air distribution part connected to one end of the rotating support rod through a bearing. The outer side of the air distribution part is connected with no less than two There is an angle between the air injection pipe and the central rotation axis of the air distribution part, and the angle is 45°-135°.

Further, the air pipe adopts a flexible hose with a folded part on the outer wall, a detachable filter end cover is provided on the end of the housing near the air pipe, and one end of the air pipe passes through the end cover and the air source outside the shell connect.

Further, the cleaning structure also includes an annular cleaning part that is movably installed on the inner side wall of the casing, and a number of cleaning brushes are installed on the inside of the cleaning part, and an electric drive assembly is installed on the inside of the casing. Driven by the electric drive assembly, it reciprocates along the inner wall of the casing under the drive of the electric drive assembly.

Further, a pressure sensor for detecting the internal pressure of the trachea is installed on the air outlet pipe, the pressure sensor is connected to the input end of the control terminal through a wireless connection, and the output end of the control terminal is electrically connected to the cleaning structure , used to control the opening and closing of the cleaning structure.

Further, a plurality of annular cooling fins are installed on the outer side wall of the housing, and one end of the cooling fins extends through the housing to the inner side wall surface of the housing.

Compared with the prior art, the present invention has the following beneficial effects:

The cleaning device for the air filter of a cotton picker according to the present invention detects the air outlet pipe through a pressure sensor, and automatically starts the cleaning structure when the internal air pressure is higher than the preset value, and cleans the surface of the filter element structure , which solves the problem that the existing air filter needs to be disassembled and then cleaned, resulting in a significant reduction in work efficiency; the cleaning equipment has intelligent work, high efficiency, and protects the vehicle. It provides guarantee for production efficiency and eliminates the trivial work of traditional cleaning work, which is worth promoting.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural sectional view of the present invention;

Fig. 3 is a schematic diagram of the air injection structure of the present invention.

In the figure: 1. Outlet pipe; 2. Pressure sensor; 3. Shell; 4. Intake pipe; 5. Barbed wire; 6. Base; 7. Sealing cover; 8. Dust discharge pipe; 9. Filter end cover; 10 11. Electric telescopic rod; 12. Cleaning parts; 13. Primary filter element; 14. Secondary filter element; 15. Air jet structure; 16. Rotating support rod; 17. Air jet tube;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 to 3, a cleaning device for an air filter of a cotton harvester according to the present invention includes a housing 3, a base 6 fixed on the lower end surface of the housing 3, and an air intake pipe 4 connected to the bottom of the housing 3 And the air outlet pipe 1 connected to the end of the housing 3 close to the air intake pipe 4, the housing 3 is equipped with a filter element structure and a cleaning structure for cleaning the filter element structure, one end of the filter element structure communicates with the air outlet pipe 1, and the outer shell 3 is far away from the end of the air intake pipe 4 A dust discharge pipe 8 is connected to the bottom, and a detachable sealing cover 7 is installed at the bottom opening of the dust discharge pipe 8;

The cleaning structure includes an electric telescopic rod 11 installed inside the filter element structure and an air jet structure 15 installed at the telescopic end of the electric telescopic rod 11, and an air pipe 10 communicating with the air jet structure 15 is pierced inside the electric telescopic rod 11, and the air pipe 10 is connected to the casing 3 External air supply connection.

In order to facilitate filtering, the filter element structure includes a primary filter element 13 and a secondary filter element 14 installed inside the housing 3, the primary filter element 13 is located inside the secondary filter element 14, and the pores of the primary filter element 13 are smaller than the pores of the secondary filter element 14, The jet structure 15 is positioned at the inner side of the primary filter element 13, and a detachable barbed wire 5 is installed at the opening of the air inlet away from the shell 3, and the pores of the barbed wire 5 are larger than the pores of the secondary filter element 14.

The air injection structure 15 includes a rotating support rod 16 connected to the electric telescopic rod 11 and an air distribution part 18 connected to one end of the rotating support rod 16 through a bearing. The outer side of the gas distribution part 18 is connected with no less than two There is an angle between the air injection pipe 17 and the central axis of rotation of the air distributor 18, and the angle is 45°-135°; the air pipe 10 adopts a flexible hose with a folded part on the outer wall In order to facilitate maintenance, the end of the shell 3 near the vent pipe 10 is provided with a detachable filter end cover 9, and the pipes of the vent pipe 10 and the cleaning part 12 all pass through the end cap and are connected to the air source outside the shell 3.

In order to facilitate cleaning, the cleaning structure also includes an annular cleaning member 12 that is movably installed on the inner wall of the housing 3, and a number of cleaning brushes are installed on the inner side of the cleaning member 12, and an electric drive assembly is installed on the inner side of the housing 3. The cleaning part 12 is connected with the electric drive assembly, and reciprocates along the inner side wall of the housing 3 under the drive of the electric drive assembly. The cleaning structure is used to collect the sundries ejected by the airflow toward the direction of the dust discharge pipe 8, so as to facilitate the removal of sundries. discharge.

In order to improve the automation level of the cleaning structure, a pressure sensor 2 for detecting the internal pressure of the air pipe 1 is installed on the air outlet pipe 1. The pressure sensor 2 is connected to the input end of the control terminal through a wireless connection, and the output end of the control terminal is connected to the cleaning machine. The structure is electrically connected, and is used to control the opening and closing of the cleaning structure.

In order to improve the heat dissipation performance of the device, a number of annular cooling fins are installed on the outer wall of the casing 3 , and one end of the cooling fin extends through the casing 3 to the surface of the inner wall of the casing 3 .

To sum up, when the cleaning equipment for the air filter of a cotton picker described in the present invention is used, the air to be filtered is first input into the housing 3 through the air intake pipe 4, and passes through the barbed wire 5, the first filter element and the second filter element. After filtering, the air is discharged from the air outlet pipe 1; during the filtration process, the pores are blocked due to the impurities attached to the surface of the first filter element or the second filter element, and the internal air pressure of the air outlet pipe 1 rises when most of the pores are blocked. When the pressure sensor 2 detects that the air pressure rise exceeds the preset value, when the cleaning system starts to work, the electric telescopic rod 11 stretches from the initial compressed state to the other end of the first filter element, ready to start working, and the cleaning part 12 also moves to the At the same end, at this moment, the high-pressure gas is introduced from the pipeline of the vent pipe 10 and the cleaning part 12, finally reaches the gas distribution part 18, and then passes through a plurality of gas injection pipes 17 on the outside of the gas distribution part 18, after the gas injection, the gas distribution Part 18 relies on the reaction force generated by the jet pipe 17 to make it rotate along the central axis to achieve a 360° cleaning effect and slowly move to the bottom. After the jet starts, the cleaning part 12 is driven by the electric drive assembly Start to clean the bottom of the air filter, the speed is slightly slower than the compression speed of the electric telescopic rod 11, and the ejected debris is collected by the cleaning part 12 and the cleaning brush and pushed towards the direction of the dust discharge pipe 8, and the air distribution part After 18 moves to the end close to the end cover 9 of the filter, after a working cycle is completed, the sundries will enter into the dust discharge pipe 8, and the user can adjust the number of working cycles according to the blockage of the air filter. After completion, open the sealing cover 7 to discharge the sundries collected in the dust discharge pipe 8; solve the problem that the existing air filter needs to be disassembled and then cleaned, resulting in a significant reduction in work efficiency. The intelligent cleaning device of the air filter has intelligent work and high efficiency. It protects the vehicle, guarantees the production efficiency, and eliminates the trivial work of the traditional cleaning work. It is worth promoting.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A cleaning device for an air cleaner of a cotton picker, characterized by: the novel dust collector comprises a shell (3), a base (6) fixedly arranged on the lower end face of the shell (3), an air inlet pipe (4) connected to the bottom of the shell (3) and an air outlet pipe (1) connected to the shell (3) and close to one end of the air inlet pipe (4), wherein a filter element structure and a cleaning structure for cleaning the filter element structure are arranged in the shell (3), one end of the filter element structure is communicated with the air outlet pipe (1), a dust exhaust pipe (8) is connected to the bottom of one end of the shell (3) far away from the air inlet pipe (4), and a detachable sealing cover (7) is arranged at the bottom end opening of the dust exhaust pipe (8);

the cleaning structure comprises an electric telescopic rod (11) arranged inside the filter element structure and an air injection structure (15) arranged at the telescopic end of the electric telescopic rod (11), a vent pipe (10) communicated with the air injection structure (15) is arranged in the electric telescopic rod (11) in a penetrating mode, and the vent pipe (10) is connected with an air source outside the shell (3).

2. A cleaning apparatus for a cotton picker air cleaner as defined in claim 1, wherein: the filter element structure comprises a primary filter element (13) and a secondary filter element (14) which are arranged inside a shell (3), wherein the primary filter element (13) is positioned on the inner side of the secondary filter element (14), the pore space of the primary filter element (13) is smaller than that of the secondary filter element (14), the air injection structure (15) is positioned on the inner side of the primary filter element (13), a detachable wire netting (5) is arranged at the opening of one end of the air inlet, far away from the shell (3), and the pore space of the wire netting (5) is larger than that of the secondary filter element (14).

3. A cleaning apparatus for an air cleaner of a cotton picker according to claim 1 or 2, characterized in that: the air injection structure (15) comprises a rotary supporting rod (16) connected with the electric telescopic rod (11) and an air distribution piece (18) rotatably connected to one end of the rotary supporting rod (16) through a bearing, at least two air injection pipes (17) uniformly distributed along the outer edge of the air distribution piece (18) are connected to the outer side of the air distribution piece (18), an included angle exists between the air injection pipes (17) and the central rotation axis of the air distribution piece (18), and the included angle is 45-135 degrees.

4. A cleaning apparatus for a cotton picker air cleaner as defined in claim 3, wherein: the breather pipe (10) adopts a telescopic hose with a fold part on the outer wall, a detachable filter end cover (9) is arranged at one end of the shell (3) close to the breather pipe (10), and one end of the breather pipe (10) penetrates through the end cover to be connected with an air source outside the shell (3).

5. A cleaning apparatus for a cotton picker air cleaner as defined in claim 3, wherein: the cleaning structure also comprises an annular cleaning piece (12) movably arranged on the inner side wall of the shell (3), and a plurality of cleaning brushes are arranged on the inner side of the cleaning piece (12); an electric drive assembly is arranged on the inner side of the shell (3), and the cleaning piece (12) is connected with the electric drive assembly and is driven by the electric drive assembly to reciprocate along the inner side wall of the shell (3).

6. A cleaning apparatus for a cotton picker air cleaner as defined in claim 1, wherein: the utility model discloses a cleaning structure, including outlet duct (1), pressure sensor (2) that is used for detecting outlet duct (1) internal pressure is installed on outlet duct (1), pressure sensor (2) are connected with control terminal's input through wireless connection's mode, control terminal's output and cleaning structure electric connection for control cleaning structure's start and stop.

7. A cleaning apparatus for a cotton picker air cleaner as defined in claim 1, wherein: a plurality of annular radiating fins are arranged on the outer side wall of the shell (3), and one ends of the radiating fins penetrate through the shell (3) and extend to the inner side wall surface of the shell (3).

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