CN220422489U - Impurity removing fan of elevator, impurity removing structure of elevator and corn harvester - Google Patents

Abstract

The utility model relates to an impurity removing fan of an elevator, an impurity removing structure of the elevator and a corn harvester. The impurity removing fan of the elevator comprises a shell and a fan component, wherein the lower end of the shell is open, the top wall of the shell is arc-shaped, one side of the top wall of the shell is provided with impurity removing openings extending towards two ends of the shell, the impurity removing openings extend to protrude out of one side of the shell, the fan component comprises a main shaft and impurity removing blades arranged on the main shaft, the main shaft is arranged inside the shell, and two ends of the main shaft are respectively connected with two ends of the shell in a rotating mode. The elevator impurity discharging structure comprises an elevator impurity discharging fan arranged at the upper end of the elevator, the lower end of the casing is arranged at the upper end of the casing of the elevator, and the impurity discharging port of the casing is arranged at one side of the elevator. The advantages are that: the structure design is simple and reasonable, the width of the impurity removing fan is not limited by the width of the elevator, the stalks and the leaves are directly discharged outside through the fan assembly, the operation of the stalks in the impurity removing fan is reduced, and the impurity removing is smoother.

Description

Impurity removing fan of elevator, impurity removing structure of elevator and corn harvester

Technical Field

The utility model relates to the field of agricultural machinery, in particular to an impurity removing fan of an elevator, an impurity removing structure of the elevator and a corn harvester.

Background

In order to clean grains in the corn cob box of the corn machine, the corn machine is provided with a gettering fan, and the stalks and the crushed leaves are discharged out of the body through the gettering fan.

The traditional impurity-sucking fan is transversely arranged at the upper part of the elevator, and after the stalks or the crushed leaves are sucked up by the cutter shaft, the stalks or the crushed leaves are discharged by a fan impeller at one side. The design fan is influenced by the width of the elevator, and the gettering area is limited; during the gettering, only broken stems and leaves can be sucked out, and the sucked long stems are easy to be blocked; the straw discharging path of the impurity sucking fan needs to be turned, is easy to block at a straw discharging port, is easy to block at the fan port when long straws are harvested in lodging, and has unsatisfactory impurity sucking and discharging effects.

Therefore, there is a need to develop a new elevator impurity removal structure.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an impurity removing fan of an elevator, an impurity removing structure of the elevator and a corn harvester, and effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides an elevator arranges miscellaneous fan, includes casing and fan subassembly, and above-mentioned casing lower extreme is uncovered, and its roof is convex, and one side of above-mentioned casing roof is equipped with the row miscellaneous mouth that extends to its both ends, and above-mentioned row miscellaneous mouth extends to the one side that outstanding above-mentioned casing, and above-mentioned fan subassembly includes main shaft and sets up the epaxial row miscellaneous blade of above-mentioned main shaft, and above-mentioned main shaft is adorned inside above-mentioned casing, and its both ends are rotated with the both ends of above-mentioned casing respectively and are connected.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the impurity removing blade includes a plurality of rectangular blades, the plurality of blades are fitted to the surface of the main shaft at regular intervals in the circumferential direction, and the blades extend in the axial direction of the main shaft.

Further, a reinforcing rib plate is connected between one surface of the scraping plate and the main shaft.

Further, the impurity removing blade comprises a plurality of groups of flail blade assemblies, each group of the flail blade assemblies is provided with a plurality of groups of the flail blade assemblies, the plurality of groups of the flail blade assemblies are assembled on the surface of the main shaft at uniform intervals along the circumferential direction, the plurality of the flail blade assemblies of each group are distributed along the axial direction of the main shaft at intervals, each of the flail blade assemblies comprises two flail blades perpendicular to the main shaft, the lower half parts of the two flail blades are distributed along the axial direction of the main shaft at intervals in parallel, the upper half parts of the two flail blades are respectively inclined and extend towards directions far away from the respective directions, the main shaft is provided with mounting seats corresponding to the flail blade assemblies one by one, and the lower half parts of the two flail blades are respectively detachably connected with the corresponding mounting seats.

Further, the impurity removing blade comprises a plurality of strip-shaped strips, the strips are distributed on the periphery of the main shaft at equal intervals along the circumferential direction, each strip extends along the axial direction of the main shaft, two ends and middle areas of two adjacent strips are connected through arc-shaped connecting strips, the strips extend obliquely towards the inner sides of the strips, the oblique directions are consistent, and the inner sides of the strips are fixedly connected with the main shaft through ribs.

Further, two sides of the lower end of the shell are respectively provided with an assembling side plate.

The beneficial effects are that: the impurity removing fan is reasonable in structural design and can be suitable for the impurity absorption and the impurity removal of long straws.

The utility model also provides an elevator trash discharging structure, including install the elevator trash discharging fan in above-mentioned elevator upper end, the casing upper end of above-mentioned elevator is installed to the lower extreme of casing, and the lower extreme opening of above-mentioned casing communicates with the casing inside of above-mentioned elevator, and the trash discharging mouth of above-mentioned casing is located one side of above-mentioned elevator.

The beneficial effects are that: the structure design is simple and reasonable, the width of the impurity removing fan is not limited by the width of the elevator, the stalks and the leaves are directly discharged outside through the fan assembly, the operation of the stalks in the impurity removing fan is reduced, and the impurity removing is smoother.

A corn harvester is also provided, including an elevator trash removal structure.

Drawings

FIG. 1 is a schematic diagram of the structure of an elevator impurity removal fan of the present utility model;

FIG. 2 is a schematic diagram of one embodiment of a fan assembly in an elevator impurity removal fan of the present utility model;

FIG. 3 is a structural side view of the component of FIG. 2;

FIG. 4 is a schematic view of another embodiment of a fan assembly in an elevator impurity removal fan of the present utility model;

FIG. 5 is a structural side view of the component of FIG. 4;

FIG. 6 is a schematic diagram of a further embodiment of a fan assembly in an elevator impurity removal fan of the present utility model;

FIG. 7 is a structural side view of the component of FIG. 6;

FIG. 8 is a structural side view of an elevator drainage structure of the present utility model;

fig. 9 is a structural plan view of the impurity removing structure of the elevator of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a housing; 2. a fan assembly; 3. an elevator; 11. a impurity discharging port; 12. assembling a side plate; 21. a main shaft; 22. impurity removing blades; 221. reinforcing rib plates; 222. a flail knife blade assembly; 223. a slat; 2221. the blade is thrown.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

As shown in fig. 1, the impurity removing fan for an elevator of this embodiment includes a casing 1 and a fan assembly 2, wherein the lower end of the casing 1 is opened, the top wall thereof is arc-shaped, one side of the top wall of the casing 1 is provided with impurity removing openings 11 extending toward both ends thereof, the impurity removing openings 11 extend to the side protruding the casing 1, the fan assembly 2 includes a main shaft 21 and impurity removing blades 22 provided on the main shaft 21, the main shaft 21 is installed inside the casing 1, and both ends thereof are rotatably connected with both ends of the casing 1, respectively.

In this embodiment, the cross section of the main body of the casing 1 is generally designed as a rectangle, the impurity discharging port 11 extends along the extending direction (i.e. the length direction) of the two ends of the casing 1, and has a longer size, and the size can be flexibly and reasonably increased or decreased according to the actual use requirement, meanwhile, the fan assembly 2 is also arranged between the side walls of the two ends of the casing 1, has a longer impurity sucking area, can suck long straws from the lower end opening of the casing 1 in the operation process of the fan, and can be removed to the impurity discharging port 11 through the fan assembly 2, so that the fan assembly 2 is generally applicable to the impurity sucking and impurity discharging of the long straws.

In this embodiment, the impurity removing blades 22 at least include the following three structural forms:

1) As shown in fig. 2 and 3, the impurity removing blades 22 include a plurality of rectangular blades which are fitted to the surface of the main shaft 21 at regular intervals in the circumferential direction, and which extend in the axial direction of the main shaft 21.

In the scheme 1), the impurity removing blade 22 adopts a strip-shaped scraping plate, and the main shaft 21 can drive the scraping plate to rotate when being driven to rotate by an external power device, so that long straws sucked by the lower end of the machine shell 1 are removed through the impurity removing port 11.

In this embodiment, a reinforcing rib 221 is connected between one surface of the blade and the main shaft 21. The reinforcing rib plates 221 are vertically connected with the scrapers, one surface of the same scraper is generally provided with three reinforcing rib plates 221, one reinforcing rib plate is respectively arranged at two ends and in the middle area of the scraper, and the structural strength of the scraper and the firmness of connection with the main shaft 21 are greatly improved.

2) As shown in fig. 4 and 5, the trash removal blade 22 includes a plurality of groups of flail blade assemblies 222, each group of the flail blade assemblies 222 is provided with a plurality of groups of the flail blade assemblies 222, the groups of the flail blade assemblies 222 are assembled on the surface of the main shaft 21 at uniform intervals along the circumferential direction, the plurality of the flail blade assemblies 222 of each group are distributed at intervals along the axial direction of the main shaft 21, the flail blade assemblies 222 include two flail blades 2221 perpendicular to the main shaft 21, lower halves of the two flail blades 2221 are distributed at intervals in parallel along the axial direction of the main shaft 21, upper halves of the two flail blades 2221 are respectively inclined and extended in directions away from the respective directions, the main shaft 21 is provided with mounting seats corresponding to the flail blade assemblies 222 one by one, and lower halves of the two flail blades 2221 are respectively detachably connected with the corresponding mounting seats.

In scheme 2), in the operation process, the main shaft 21 drives the multiple groups of flail knife blade assemblies 222 to rotate under the drive of the power device, and in the rotating process, one end of each group of flail knife blades 2221 far away from the main shaft 21 can effectively stir long straws and is discharged through the impurity discharging port 11.

3) As shown in fig. 6 and 7, the impurity removing blade 22 includes a plurality of elongated strips 223, the strips 223 are circumferentially equally spaced apart from each other on the periphery of the main shaft 21, each strip 223 extends along the axial direction of the main shaft 21, both ends and intermediate regions of two adjacent strips 223 are connected by a circular arc-shaped connecting strip d, the strips 223 extend obliquely toward the respective inner sides, and the oblique directions are identical, and the inner sides of the strips 223 are fixedly connected to the main shaft 21 by ribs.

In the scheme 3), in the running process, the main shaft 21 drives the cage-shaped blades formed by the plurality of slats 223 to rotate under the drive of the power device, and in the rotating process, as the slats 223 extend obliquely, the edges of the slats 223 can stir long straws sucked into the casing 1 and are discharged through the impurity discharging port 11.

In this embodiment, two sides of the lower end of the casing 1 are respectively provided with an assembling side plate 12. The assembly sideboard 12 is attached to the elevator casing, and the assembly sideboard and the elevator casing are connected and fixed by bolts. The whole impurity removing fan is convenient to assemble on the elevator.

In this embodiment, one end of the main shaft 21 passes through the outside of one end of the casing 1 and is connected with a belt pulley, so that the impurity removing fan can be driven to operate by belt transmission or chain transmission or motor transmission.

In this embodiment, extension plates a may be added to the upper and lower edges of the impurity discharging port 11 as required, respectively, so as to increase the throwing stroke of the impurity discharging port 11.

What needs to be specifically stated is: the length of the shell 1 can be increased or decreased according to actual needs, the arrangement can save the path of stalk discharge, and the risk of blockage is reduced.

Example 2

As shown in fig. 8 and 9, the elevator impurity discharging structure of the present embodiment includes an elevator impurity discharging fan (denoted by M in the drawing) as in embodiment 1 mounted on the upper end of the elevator 3, the lower end of the casing 1 is mounted on the upper end of the casing of the elevator 3, the lower end opening of the casing 1 communicates with the inside of the casing of the elevator 3, and the impurity discharging port 11 of the casing 1 is located on one side of the elevator 3.

In this embodiment, the casing 1 of the impurity removing fan is longitudinally arranged relative to the elevator 3 (i.e. along the conveying direction of the elevator), and long straws conveyed by the elevator 3 can be stirred by the fan assembly 2 of the impurity removing fan and discharged from the side of the elevator 3 through the long impurity removing port 11. Thus, the width of the impurity-sucking fan is not limited by the width of the elevator, and the stalks and leaves can be directly discharged through the impeller of the impurity-sucking fan. Reduces the operation of the straw in the impurity-sucking fan, and ensures smoother impurity discharge.

Example 3

The corn harvester of this embodiment includes the elevator impurity removal structure of embodiment 2.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. An elevator trash-removing fan which is characterized in that: the novel fan comprises a shell (1) and a fan assembly (2), wherein the lower end of the shell (1) is open, the top wall of the shell is arc-shaped, a trash discharging opening (11) extending towards two ends of the top wall of the shell (1) is formed in one side of the top wall of the shell, the trash discharging opening (11) extends to protrude out of one side of the shell (1), the fan assembly (2) comprises a main shaft (21) and trash discharging blades (22) arranged on the main shaft (21), the main shaft (21) is arranged inside the shell (1), and two ends of the main shaft are respectively connected with two ends of the shell (1) in a rotating mode.

2. An elevator impurity removal fan according to claim 1, wherein: the impurity removing blades (22) comprise a plurality of rectangular scraping plates, the plurality of scraping plates are assembled on the surface of the main shaft (21) at uniform intervals along the circumferential direction, and the scraping plates extend along the axial direction of the main shaft (21).

3. An elevator impurity removal fan according to claim 2, wherein: a reinforcing rib plate (221) is connected between one surface of the scraping plate and the main shaft (21).

4. An elevator impurity removal fan according to claim 1, wherein: the trash removal blade (22) comprises a plurality of groups of flail blade assemblies (222), each group of flail blade assemblies (222) are respectively provided with a plurality of groups of flail blade assemblies (222) which are assembled on the surface of the main shaft (21) at uniform intervals along the circumferential direction, each group of the plurality of flail blade assemblies (222) are distributed along the axial interval of the main shaft (21), each flail blade assembly (222) comprises two flail blades (2221) perpendicular to the main shaft (21), the lower half parts of the two flail blades (2221) are distributed at intervals in parallel along the axial direction of the main shaft (21), the upper half parts of the two flail blades (2221) are respectively inclined and extend away from the respective direction, mounting seats corresponding to the flail blade assemblies (222) are arranged on the main shaft (21), and the lower half parts of the two flail blades (2221) are respectively detachably connected with the corresponding mounting seats.

5. An elevator impurity removal fan according to claim 1, wherein: the trash removal blade (22) comprises a plurality of strip-shaped strips (223), the strips (223) are distributed on the periphery of the main shaft (21) at equal intervals along the circumferential direction, each strip (223) extends along the axial direction of the main shaft (21), two adjacent strips (223) are connected through arc-shaped connecting strips at two ends and in the middle, the strips (223) extend obliquely towards the inner sides respectively, the oblique directions are consistent, and the inner sides of the strips (223) are fixedly connected with the main shaft (21) through the ribs.

6. An elevator impurity removal fan according to claim 1, wherein: and two sides of the lower end of the shell (1) are respectively provided with an assembling side plate (12).

7. An elevator arranges miscellaneous structure, its characterized in that: an elevator impurity removing fan as claimed in any one of claims 1 to 6, which is installed at the upper end of said elevator (3), wherein the lower end of said casing (1) is installed at the upper end of the casing of said elevator (3), the lower end opening of said casing (1) communicates with the inside of the casing of said elevator (3), and the impurity removing port (11) of said casing (1) is located at one side of said elevator (3).

8. An elevator impurity removal structure as defined in claim 7, wherein: the upper and lower edges of the impurity discharging port (11) are respectively detachably provided with extension plates.

9. A corn harvester, characterized in that: an elevator impurity removal structure comprising a device as claimed in claim 7 or 8.