CN220342887U

CN220342887U - Dust collector of wheat harvester

Info

Publication number: CN220342887U
Application number: CN202321790441.7U
Authority: CN
Inventors: 张涵; 郭杰彬; 刘兴臣; 刘晓娜; 张梦涵
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-16
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a dust removing device of a wheat harvester, which relates to the technical field of dust removal of the harvester, and comprises a cylinder body, wherein the cylinder body is arranged on a harvester body and surrounds the outer side of a chip removal port of the harvester body; the upper part of the cylinder body is provided with a spraying component for spraying water into the cylinder body; the lower part of the inner side of the cylinder body is provided with a scraping component for scraping straw scraps out of the cylinder body; the lower side of the cylinder body is connected with a water collecting component for collecting water; the water collecting assembly is used for collecting water, and the water collecting assembly is used for collecting water; the dust removal device adopts the cylinder structure to surround the chip removal port for dust removal, and has little influence on chip removal of the harvester; utilize spray the subassembly and spray effective dust fall to the chip removal mouth outside, scrape the material subassembly and in time strike off the straw piece that falls, water collection subassembly and recovery subassembly make water reuse, improve the utilization ratio of water resource.

Description

Dust collector of wheat harvester

Technical Field

The utility model relates to the technical field of dust removal of a harvester, in particular to a dust removal device of a wheat harvester.

Background

The wheat harvester can obviously improve the wheat harvesting efficiency and plays an important role in wheat harvesting. In the working process of the wheat harvester, crushed wheat straw is discharged out of the harvester by utilizing air flow, and a large amount of dust and scraps are generated at the same time, so that the environment is adversely affected.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a dust removing device of a wheat harvester.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the dust removing device of the wheat harvester comprises a cylinder body, wherein the cylinder body is arranged on the harvester body and surrounds the outer side of a chip removal port of the harvester body; the upper part of the cylinder body is provided with a spraying component for spraying water into the cylinder body; the lower part of the inner side of the cylinder body is provided with a scraping component for scraping straw scraps out of the cylinder body; the lower side of the cylinder body is connected with a water collecting component for collecting water; the water collecting device also comprises a recovery component which guides the water collected by the water collecting component back to the spraying component.

The beneficial effects are that: the dust removal opening is surrounded by the cylinder structure, so that the influence on the chip removal of the harvester is small; utilize spray the subassembly and spray effective dust fall to the chip removal mouth outside, scrape the material subassembly and in time strike off the straw piece that falls, water collection subassembly and recovery subassembly make water reuse, improve the utilization ratio of water resource.

Further, the spraying assembly comprises a water storage tank, a first water pump, a water supply pipe and a plurality of spray heads; the water storage tank is arranged on the upper side of the cylinder, the first water pump is arranged on the water storage tank, and the spray heads are uniformly arranged on the upper wall of the cylinder; the output end of the first water pump is connected with the spray head through a water supply pipe.

The beneficial effects are that: the first water pump supplies water in the water storage tank to the spray head, and the spray head sprays atomized water to realize dust fall.

Further, the scraping assembly comprises a chain transmission mechanism, a synchronous shaft, a motor and a scraping plate; the chain transmission mechanism is arranged in two groups in parallel; the two groups of chain transmission mechanisms are connected through a synchronizing shaft, the synchronizing shaft is rotationally connected with the lower part of the cylinder, and the motor is arranged on the outer side of the cylinder and drives the synchronizing shaft to rotate; the two ends of the scraping plate are respectively connected with the two groups of chain transmission mechanisms, and the scraping plate moves along the upper side of the lower wall of the cylinder body to scrape straw scraps out of the cylinder body.

The beneficial effects are that: because the spraying component sprays the effect of dust fall, can lead to chip removal mouth exhaust part wheat straw to fall to barrel lower wall upside, the motor drives chain drive mechanism work and makes the scraper blade gyration, scrapes the straw piece of barrel lower wall upside outside the barrel.

Further, a baffle is arranged on the inner side of the side wall of the cylinder body and is positioned on the upper side of the chain transmission mechanism.

The beneficial effects are that: the baffle can reduce water and straw and directly fall on chain drive mechanism.

Further, the water collection assembly comprises a water collection tank, the upper end of the water collection tank is provided with an opening and is connected to the lower side of the cylinder, the lower wall of the cylinder is uniformly provided with a plurality of water permeable holes corresponding to the water collection tank, the lower part of the inner side of the water collection tank is provided with an inner tank body, and the side surface of the upper part of the inner tank body is provided with overflow holes.

The beneficial effects are that: the water-dust mixture after spraying water and dust fall passes through the water permeable holes and enters the water collection tank for collection.

Further, a water bar is arranged on the upper side of the outer end of the lower wall of the cylinder body.

The beneficial effects are that: the water retaining bar reduces the water on the upper side of the lower wall of the cylinder body to directly flow out of the cylinder body, and improves the recovery rate of the water.

Further, an access door is arranged on the outer side of the water collection tank.

The beneficial effects are that: the access door is convenient for cleaning the sediment in the water collection tank at regular intervals.

Further, the recovery assembly comprises a second water pump and a water return pipe, one end of the water return pipe extends into the inner box body, and the second water pump guides water in the inner box body back to the spraying assembly through the water return pipe.

The beneficial effects are that: the second water pump guides the relatively clean water in the inner box back to the spraying assembly for reuse.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a lower side view perspective structure of the present utility model.

Fig. 3 is a schematic view of the upper side view angle perspective structure of the present utility model.

Fig. 4 is a schematic structural view of a scraping assembly according to the present utility model.

Fig. 5 is a schematic view of the structure of the water collecting assembly of the present utility model.

In the figure: 1. a cylinder; 2. a spray assembly; 3. a scraping assembly; 4. a water collection assembly; 5. a recovery assembly; 6. a harvester body; 7. a chip removal port; 11. a mounting base; 12. a baffle; 13. a water permeable hole; 14. a water bar; 21. a water storage tank; 22. a first water pump; 23. a water supply pipe; 24. a spray head; 31. a chain transmission mechanism; 32. a synchronizing shaft; 33. a motor; 34. a scraper; 41. a water collection tank; 42. an inner case; 43. an access door; 44. an overflow aperture; 51. a second water pump; 52. and a water return pipe.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

The present utility model is described in further detail below with reference to examples.

The utility model provides a specific embodiment of a dust removing device of a wheat harvester, which comprises the following components:

referring to fig. 1-5, a dust removing device of a wheat harvester comprises a cylinder 1, wherein the cylinder 1 is arranged on a harvester body 6 and surrounds the outer side of a chip removal port 7 of the harvester body 6; the outer sides of the upper wall and the lower wall of the cylinder body 1 are respectively connected with a mounting seat 11, and the mounting seats 11 are connected with the harvester body 6 through bolts.

The upper part of the cylinder body 1 is provided with a spray assembly 2 for spraying water into the cylinder body 1; the spray assembly 2 comprises a water storage tank 21, a first water pump 22, a water supply pipe 23 and a plurality of spray heads 24; the water storage tank 21 is arranged on the upper side of the cylinder body 1, a water filling port is arranged on the upper side of the water storage tank 21, a cover body is arranged on the upper side of the water filling port, and an air hole is formed in the middle of the cover body. The first water pump 22 is arranged on the water storage tank 21, and the spray heads 24 are uniformly arranged on the upper wall of the cylinder 1 and penetrate through the upper wall of the cylinder 1; the input end of the first water pump 22 extends into the water storage tank 21, and the output end is connected with the spray head 24 through a water supply pipe 23; the first water pump 22 supplies water in the water storage tank 21 to the spray head 24, and the spray head 24 sprays atomized water to realize dust fall.

The lower part of the inner side of the cylinder body 1 is provided with a scraping component 3 for scraping straw scraps out of the cylinder body 1; the scraping assembly 3 comprises a chain transmission mechanism 31, a synchronous shaft 32, a motor 33 and a scraping plate 34; the chain transmission mechanism 31 is arranged in two groups in parallel and is arranged on the inner side of the lower end of the side wall of the cylinder body 1; a baffle 12 is arranged on the inner side of the lower part of the side wall of the cylinder body 1, and the baffle 12 is positioned on the upper side of the chain transmission mechanism 31; the baffle 12 can reduce water and straw from directly falling on the chain drive 31.

The chain wheels of the two groups of chain transmission mechanisms 31 are connected through two parallel synchronizing shafts 32, the synchronizing shafts 32 are rotationally connected with the lower part of the cylinder body 1, and a motor 33 is arranged on the outer side of the cylinder body 1 and drives one synchronizing shaft 32 to rotate so as to drive the two groups of chain transmission mechanisms 31 to synchronously operate; the two scrapers 34 are arranged, two ends of each scraper 34 are respectively connected with chains of the two groups of chain transmission mechanisms 31, each scraper 34 rotates along with the chain, and when the scrapers 34 move to the lower part, the scrapers 34 move along the upper side of the lower wall of the cylinder 1 to scrape straw scraps out of the cylinder 1; due to the effect of spraying water and dust fall of the spraying assembly 2, part of wheat straw discharged from the chip discharge port 7 falls to the upper side of the lower wall of the barrel 1, and the motor 33 drives the chain transmission mechanism 31 to work so as to enable the scraper 34 to rotate, and straw scraps on the upper side of the lower wall of the barrel 1 are scraped out of the barrel 1.

The lower side of the cylinder body 1 is connected with a water collecting component 4 for collecting water; the water collection assembly 4 comprises a water collection tank 41, an opening is formed in the upper end of the water collection tank 41 and is connected to the lower side of the barrel 1, a plurality of water permeable holes 13 corresponding to the water collection tank 41 are uniformly formed in the lower wall of the barrel 1, and in actual implementation, the water permeable holes 13 are as small as possible, so that wheat straw scraps can be prevented from passing through, and water can pass through. The upper part of the water collection tank 41 is connected with a ventilation pipe. The upper side of the outer end of the lower wall of the cylinder body 1 is provided with a water bar 14; the water retaining strips 14 reduce that the water on the upper side of the lower wall of the barrel 1 directly flows out of the barrel 1, so that the recovery rate of the water is improved, and meanwhile, the water retaining strips 14 are inclined towards the inner side, so that the influence on scraping straw scraps by the scraping assembly 3 is small.

The lower part of the inner side of the water collecting tank 41 is provided with an inner tank body 42, the side surface of the upper part of the inner tank body 42 is provided with an overflow hole 44, and a filter screen is arranged in the overflow hole 44, and the filter screen can be replaced by filter cloth, so that the water entering the inner tank body 42 is cleaner. The water-dust mixture after spraying water and falling dust passes through the water permeable holes 13 and enters the water collection tank 41 for collection. The outer side of the water collection tank 41 is provided with two through holes which are respectively communicated with the inner side of the water collection tank 41 and the inner side of the inner tank 42 correspondingly; two access doors 43 are arranged corresponding to the through holes, and the access doors 43 are connected with the water collection tank 41 through bolts; the access door 43 facilitates cleaning of sediment in the header tank 41 on a regular basis.

The outside of the cylinder body 1 is provided with a recovery assembly 5, the recovery assembly 5 comprises a second water pump 51 and a water return pipe 52, the second water pump 51 is arranged on the upper side of the water storage tank 21, one end of the water return pipe 52 extends into the inner box 42, and the other end of the water return pipe 52 is connected with the second water pump 51.

The harvester body 6 discharges the wheat straw after threshing and crushing from the chip discharge port 7 rapidly, so that the discharged material passes through the cylinder 1, and a large amount of dust is formed by the wheat straw scraps and dust attached to the wheat straw scraps. The spray nozzle 24 sprays atomized water to realize dust fall, can block most dust from being discharged out of the cylinder body 1, and is beneficial to environmental improvement. In the dust falling process, the spray water carries dust and part of wheat straw scraps to fall on the upper side of the lower wall of the barrel 1, and the water and the dust pass through the water permeable holes 13 and enter the water collecting tank 41; part of the straw remains in the cylinder 1. The scraping plate 34 of the scraping assembly 3 continuously rotates to scrape the straws out of the cylinder body 1. The sewage enters the water collection tank 41, dust is precipitated in the water collection tank 41, and the water with cleaner upper layer passes through the overflow holes 44 and enters the inner tank 42. The second water pump 51 pumps water from the inner tank 42 back to the water tank 21 for reuse.

It should be noted that the above description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Dust collector of wheat harvester, its characterized in that: the harvester comprises a cylinder body (1), wherein the cylinder body (1) is arranged on a harvester body (6) and surrounds the outer side of a chip removal port (7) of the harvester body (6); a spraying component (2) for spraying water into the cylinder (1) is arranged at the upper part of the cylinder (1); a scraping component (3) for scraping straw scraps out of the cylinder (1) is arranged at the lower part of the inner side of the cylinder (1); the lower side of the cylinder body (1) is connected with a water collecting component (4) for collecting water; the water collecting device further comprises a recovery component (5), and the recovery component (5) guides the water collected by the water collecting component (4) back to the spraying component (2).

2. The dust collector of a wheat harvester of claim 1, wherein: the spraying assembly (2) comprises a water storage tank (21), a first water pump (22), a water supply pipe (23) and a plurality of spray heads (24); the water storage tank (21) is arranged on the upper side of the cylinder body (1), the first water pump (22) is arranged on the water storage tank (21), and the spray heads (24) are uniformly arranged on the upper wall of the cylinder body (1); the output end of the first water pump (22) is connected with a spray head (24) through a water supply pipe (23).

3. The dust collector of a wheat harvester of claim 1, wherein: the scraping assembly (3) comprises a chain transmission mechanism (31), a synchronous shaft (32), a motor (33) and a scraping plate (34); the chain transmission mechanism (31) is arranged in two groups in parallel; the two groups of chain transmission mechanisms (31) are connected through a synchronizing shaft (32), the synchronizing shaft (32) is rotationally connected with the lower part of the cylinder body (1), and a motor (33) is arranged on the outer side of the cylinder body (1) and drives the synchronizing shaft (32) to rotate; both ends of the scraping plate (34) are respectively connected with two groups of chain transmission mechanisms (31), and the scraping plate (34) moves along the upper side of the lower wall of the cylinder body (1) to scrape straw scraps outside the cylinder body (1).

4. A dust collector for a wheat harvester according to claim 3, wherein: the inner side of the side wall of the cylinder body (1) is provided with a baffle plate (12), and the baffle plate (12) is positioned on the upper side of the chain transmission mechanism (31).

5. The dust collector of a wheat harvester of claim 1, wherein: the water collection assembly (4) comprises a water collection tank (41), an opening is formed in the upper end of the water collection tank (41) and is connected to the lower side of the cylinder body (1), a plurality of water permeable holes (13) corresponding to the water collection tank (41) are uniformly formed in the lower wall of the cylinder body (1), an inner tank body (42) is arranged at the lower portion of the inner side of the water collection tank (41), and overflow holes (44) are formed in the side face of the upper end of the inner tank body (42).

6. The dust collector of a wheat harvester of claim 5, wherein: the upper side of the outer end of the lower wall of the cylinder body (1) is provided with a water bar (14).

7. The dust collector of a wheat harvester of claim 5, wherein: an access door (43) is arranged on the outer side of the water collection tank (41).

8. The dust collector of a wheat harvester of claim 5, wherein: the recovery assembly (5) comprises a second water pump (51) and a water return pipe (52), one end of the water return pipe (52) extends into the inner box body (42), and the second water pump (51) guides water in the inner box body (42) back to the spraying assembly (2) through the water return pipe (52).