Cleaning structure for low small crop harvester

By designing a cleaning structure that includes a feeding auger roller, a fixed frame, a crossbeam, a rotating drum, brushes, and nozzles, the problem of dirt and impurities sticking to the blades on the cutter head of a crop harvester was solved, achieving automated and efficient cleaning.

CN223916160UActive Publication Date: 2026-02-17HANDAN JINTIAN AGRICULTURAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520440148.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-17
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

When harvesting low-growing crops, existing crop harvesters often have leaves, mud, and impurities sticking to the cutting platform, which are difficult to clean, especially when the crops are moist.

Method used

A cleaning structure was designed, including a feeding auger roller, a fixed frame, a crossbeam, a rotating drum, brushes, nozzles, and a blower inside the harvester header. The crossbeam is driven to move by a reciprocating screw mechanism, the rotating drum is controlled to rise and fall by a hydraulic cylinder, the blower provides airflow, and the brushes and nozzles work together to perform automatic cleaning.

Benefits of technology

It enables automatic and efficient cleaning of the harvester header, avoiding the adhesion of leaves, mud and impurities, improving cleaning efficiency and ensuring that the inner wall of the header is dry.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cleaning structure for a low and small crop harvester, which comprises a harvester header, a feeding auger roller is rotatably connected in the harvester header, a fixing frame is fixedly connected on the outer wall of the harvester header, a groove is arranged on the inner side of the fixing frame, a reciprocating lead screw mechanism is arranged in the groove, and the reciprocating lead screw mechanism is fixedly connected with the feeding auger roller. A cross beam is fixedly connected to the inner side of the reciprocating lead screw mechanism, a hydraulic cylinder is installed at the top of the cross beam, one end of the hydraulic cylinder is fixedly connected with the top side of the mounting frame, the cross beam is slidably connected to the inner side of the fixing frame, the mounting frame is connected to the bottom of the cross beam in a lifting mode, a rotating drum is rotatably connected to the inner side of the mounting frame, and bristles are arranged on the outer wall of the rotating drum; sprayers are arranged on the two sides of the mounting frame and the inner wall of the top of the mounting frame, and an air blower is connected to the top end of the mounting frame. According to the device, the harvester header can be automatically and efficiently cleaned, and the situation that blades, soil and impurities on the harvester header cannot be cleaned due to adhesion is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crop harvester, concretely to a cleaning structure for low small crop harvester. BACKGROUND

[0002] A crop harvester is an agricultural machine used for automatically or semi-automatically harvesting various crops. This machine greatly improves the efficiency of agricultural production, reduces the demand for manual labor, and helps farmers complete harvesting at the best time to ensure the quality and yield of crops.

[0003] At present, the header of the crop harvester will stick a large amount of leaves, soil and impurities during the harvesting of low crops. Since the crops contain moisture during harvesting, the leaves, soil and impurities stuck on the header of the crop harvester are not easy to clean. After the leaves, soil and impurities dry, it is more inconvenient to clean. Therefore, improvement is needed. SUMMARY

[0004] The utility model aims at providing a cleaning structure for low small crop harvester to solve the problem of easy sticking of leaves, soil and impurities on the header of the crop harvester.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a cleaning structure for low small crop harvester, comprising a harvester header, a feeding roller is rotatably connected inside the harvester header, a fixed frame is fixedly connected to the outer wall of the harvester header, a cross beam is slidably connected to the inner side of the fixed frame, an installation frame is liftably connected to the bottom of the cross beam, a rotating drum is rotatably connected to the inner side of the installation frame, brush hairs are arranged on the outer wall of the rotating drum, the installation frame is a hollow structure, spray heads are arranged on the inner walls of the two sides and the top of the installation frame, and a blower is connected to the top end of the installation frame.

[0006] Preferably, a groove is formed in the inner side of the fixed frame, and a reciprocating screw mechanism is installed inside the groove.

[0007] Preferably, a hydraulic cylinder is installed on the top of the cross beam, and one end of the hydraulic cylinder is fixedly connected to the top side of the installation frame.

[0008] Preferably, a blower is installed on the top of the cross beam, and a corrugated connecting pipe is connected to the air outlet of the blower, one end of the corrugated connecting pipe penetrates through the cross beam and is connected to the top of the installation frame.

[0009] Preferably, the front view of the installation frame is in the shape of an inverted "n", a drive motor is installed on one side of the installation frame, and one end of the shaft of the drive motor is connected to one side of the rotating drum.

[0010] Preferably, the bristles are equidistantly distributed in a circular ring around the outer wall of the rotating drum, and the bristles are fixedly connected to the rotating drum by glue.

[0011] Preferably, the length of the fixed frame and the reciprocating screw mechanism is greater than the width of the harvester header.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) The device can realize automatic and efficient cleaning of the harvester header, and avoid the situation that the leaves, soil and impurities on the harvester header are bonded and cannot be cleaned.

[0014] (2) The device is provided with a beam capable of automatically moving longitudinally on the top of the harvester header, and a rotating drum capable of automatically ascending and descending and rotating is arranged at the bottom of the beam, the rotating drum can adjust the cleaning height, and the bristles on the outer wall of the rotating drum are driven to rotate at high speed to clean the inner wall of the harvester header, so that the purpose of quickly cleaning the harvester header is achieved.

[0015] (3) The device is provided with a mounting frame capable of automatically ascending and descending at the bottom of the beam, the mounting frame is used for mounting the rotating drum, and nozzles are arranged on the inner walls of both sides of the mounting frame and the top of the mounting frame, the nozzles can uniformly spray air flow, the air flow is used for cleaning the leaves and impurities on the inner wall of the harvester header, and the air flow can also quickly blow off the moisture on the inner wall of the harvester header, so that the bonding of the leaves, soil and impurities is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the cleaning structure for the low and small crop harvester.

[0017] Figure 2 It is a structure schematic view of the cleaning structure for the low and small crop harvester. Figure 1 It is an enlarged view of A in the figure.

[0018] Figure 3 It is a side view of the mounting frame of the cleaning structure for the low and small crop harvester.

[0019] Figure 4 It is a bottom view of the mounting frame of the cleaning structure for the low and small crop harvester.

[0020] In the figure: 1, beam; 2, reciprocating screw mechanism; 3, fixed frame; 4, hydraulic cylinder; 5, air blower; 6, corrugated connecting pipe; 7, mounting frame; 8, driving motor; 9, rotating drum; 10, harvester header; 11, feeding roller; 12, bristle; 13, nozzle. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of clean structure for low small crop harvester, including harvester header 10, feeding dragon roller 11 is rotatably connected in harvester header 10, the outer wall of harvester header 10 is fixedly connected with fixed frame 3, recess is set in the inner side of fixed frame 3, reciprocating screw rod mechanism 2 is installed in recess, the inner side of reciprocating screw rod mechanism 2 is fixedly connected with crossbeam 1;The reciprocating screw rod mechanism 2 of this structure can drive crossbeam 1 longitudinal linear motion;The length of fixed frame 3 and reciprocating screw rod mechanism 2 is greater than the width of harvester header 10;The reciprocating screw rod mechanism 2 of this structure is composed of fixed seat, threaded rod, screw slide and motor, the inner side of screw slide of reciprocating screw rod mechanism 2 is fixedly connected with crossbeam 1;Crossbeam 1 is slidably connected to the inner side of fixed frame 3, hydraulic cylinder 4 is installed on the top of crossbeam 1, and one end of hydraulic cylinder 4 is fixedly connected with the top side of mounting bracket 7;This structure automatically pushes mounting bracket 7 to ascend and descend by hydraulic cylinder 4, and the inner wall of harvester header 10 can be cleaned by rotary drum 9 and bristle 12, and the surface of feeding dragon roller 11 can be cleaned;Crossbeam 1 top is equipped with air blower 5, the gas outlet of air blower 5 is connected with corrugated connecting pipe 6, and one end of corrugated connecting pipe 6 penetrates crossbeam 1 and is connected with the top of mounting bracket 7;This structure can generate high-speed airflow by air blower 5, and the blades adhered to the inner wall of harvester header 10 are blown away by airflow;Mounting bracket 7 is connected with the bottom of crossbeam 1, mounting bracket 7 is a reverse "n" shape structure, drive motor 8 is installed on one side of mounting bracket 7, and one end of the shaft of drive motor 8 is connected with one side of rotary drum 9;This structure can drive rotary drum 9 to rotate automatically by drive motor 8;Rotary drum 9 is rotatably connected to the inner side of mounting bracket 7, and bristle 12 is arranged on the outer wall of rotary drum 9, bristle 12 is distributed at equal intervals about the outer wall of rotary drum 9 in a circular ring shape, and bristle 12 is fixedly connected with rotary drum 9 by glue;The outer wall of rotary drum 9 is provided with blind hole, bristle 12 is inserted into blind hole and fixed by glue, and the blades on the inner wall of harvester header 10 are swept away by bristle 12 through the rotation of rotary drum 9;Mounting bracket 7 is a hollow structure, and the two sides of mounting bracket 7 and the inner wall of the top of mounting bracket 7 are provided with spray head 13, and the top of mounting bracket 7 is connected with air blower 5.

[0023] Working principle: when the cleaning structure for low small crop harvester is used, if the harvester header 10 and the feeding roller 11 need to be cleaned, the hydraulic cylinder 4 can be started, and the reciprocating screw rod mechanism 2 drives the position of the cross beam 1 to move from front to back, after the mounting bracket 7 is pushed down by the hydraulic cylinder 4, the rotating drum 9 inside the mounting bracket 7 is located at a proper height, and the rotating drum 9 cleans the inner wall of the harvester header 10 and the surface of the feeding roller 11 through the brush 12 during rotation, and during the cleaning process, the air blower 5 is started, the nozzles 13 on both sides of the mounting bracket 7 and the inner wall of the mounting bracket 7 spray air flow, and the air flow removes the leaves, soil and impurities adhered on the harvester header 10 and the feeding roller 11, so that the cleaning efficiency is improved.

[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cleaning structure for a low-profile small crop harvester, comprising a harvester header (10), wherein a feeding auger roller (11) is rotatably connected inside the harvester header (10), characterized in that: The outer wall of the harvester header (10) is fixedly connected with a fixing frame (3), the inner side of the fixing frame (3) is slidably connected with a cross beam (1), the bottom of the cross beam (1) is liftably connected with a mounting frame (7), the inner side of the mounting frame (7) is rotatably connected with a rotating drum (9), the outer wall of the rotating drum (9) is provided with bristles (12), the mounting frame (7) is a hollow structure, the two sides of the mounting frame (7) and the inner wall of the top of the mounting frame (7) are provided with spray heads (13), and the top of the mounting frame (7) is connected with a blower (5).

2. The cleaning structure for a low small crop harvester according to claim 1, characterized in that: The inner side of the fixing frame (3) is provided with a groove, and the groove is internally provided with a reciprocating screw mechanism (2), and the inner side of the reciprocating screw mechanism (2) is fixedly connected with the cross beam (1).

3. The cleaning structure for a low crop harvester according to claim 1, wherein: The top of the cross beam (1) is provided with a hydraulic cylinder (4), and one end of the hydraulic cylinder (4) is fixedly connected with the top side of the mounting frame (7).

4. The cleaning structure for a low crop harvester according to claim 1, wherein: The top of the cross beam (1) is provided with a blower (5), and the air outlet of the blower (5) is connected with a corrugated connecting pipe (6), one end of the corrugated connecting pipe (6) penetrates through the cross beam (1) and is connected with the top of the mounting frame (7).

5. The cleaning structure for use in a low crop harvester according to claim 1, characterized by: The front view of the mounting frame (7) is in an inverted "n" shape structure, and the mounting frame (7) is provided with a driving motor (8) on one side, and one end of the shaft of the driving motor (8) is connected with one side of the rotating drum (9).

6. The cleaning structure for use in a low crop harvester according to claim 1, characterized by: The bristles (12) are circularly and equidistantly distributed on the outer wall of the rotating drum (9), and the bristles (12) are fixedly connected with the rotating drum (9) by glue.

7. The cleaning structure for use in a low crop harvester according to claim 1, characterized by: The length of the fixing frame (3) and the reciprocating screw mechanism (2) is greater than the width of the harvester header (10).