CN114747372A - Harvester threshing cylinder with adjustable rotating speed - Google Patents

Abstract

The invention relates to the technical field of harvesters, in particular to a harvester threshing cylinder with adjustable rotating speed. The invention adopts the gear shifting gear box to realize the adjustable rotating speed of the threshing cylinder, and the rotating speed of the threshing cylinder can be adjusted when different crops are harvested; the rotating speed progression of the threshing cylinder can be adjusted by shifting the gear shifting rod on the gear shifting gear box, and the threshing cylinder is convenient and quick.

Description

Harvester threshing cylinder with adjustable rotating speed

Technical Field

The invention relates to the technical field of harvesters, in particular to a harvester threshing cylinder with adjustable rotating speed.

Background

With the development of modern agriculture, the demand of more and more crop harvesters is increasing. The traditional wheel type harvester is always a main machine type for harvesting wheat, the holding capacity of the traditional wheel type harvester in the harvester market is very large, the traditional wheel type harvester can only harvest wheat crops basically due to the fact that the rotating speed of a roller is not adjustable, the coarse cereal crops such as soybean and corn cannot be harvested, the rotating speed of the roller during wheat harvesting is much larger than that of the roller of the coarse cereal crops such as soybean and corn, therefore, if the wheel type harvester directly harvests the coarse cereal crops such as soybean and corn, the grain breakage and the standard exceeding can be caused, and the effect is very poor. The key of harvesting coarse cereals such as soybean, corn and the like by adopting the wheel type harvester is to reduce the rotating speed of the separation roller, and the roller speed change is realized by changing the diameter of the belt pulley of the existing wheel type harvester.

Disclosure of Invention

The invention solves the problems of high belt cost and complex operation existing in the prior art that the speed of the roller is changed by changing the diameter of the belt pulley, and provides the threshing roller of the harvester with adjustable rotating speed, wherein the rotating speed of the threshing roller is adjustable by adopting a gear shifting gear box, and the rotating speed of the threshing roller can be adjusted when different crops are harvested; the rotating speed progression of the threshing cylinder can be adjusted by shifting the gear shifting rod on the gear shifting gear box, and the threshing cylinder is convenient and quick.

In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a rotational speed adjustable harvester threshing cylinder, includes threshing cylinder, gear shifting box and gear level, threshing cylinder is connected with the gear shifting box, the gear level is installed on the gear shifting box and is used for changing the fender position of gear shifting box.

As a preferred scheme, the gear shifting gear box comprises a power input mechanism, a gear shifting mechanism and a reversing mechanism, the power input mechanism is positioned on one side of the gear shifting gear box, which is far away from the threshing cylinder, the gear shifting mechanism is respectively connected with the power input mechanism and the reversing mechanism, and the gear shifting rod is connected with the gear shifting mechanism.

Preferably, the power input mechanism is a pulley, a chain wheel or a gear.

Preferably, the gear shifting mechanism comprises a gear shifting gear set, and the gear shifting gear set is respectively connected with the power input mechanism and the reversing mechanism through rotating shafts.

Preferably, the reversing mechanism comprises a bevel gear set, one end of the bevel gear set is connected with the gear shifting mechanism through an input shaft, and the other end of the bevel gear set is connected with the threshing cylinder through an output shaft.

Compared with the prior art, the invention has the beneficial effects that: the invention adopts the gear shifting gear box to realize the adjustable rotating speed of the threshing cylinder, and the rotating speed of the threshing cylinder can be adjusted when different crops are harvested; the rotation speed level of the threshing cylinder can be adjusted by shifting a gear shifting rod on the gear shifting gear box, so that the threshing cylinder is convenient and quick; the gear shifting gear box of the threshing cylinder can be customized according to needs, and the increase of the rotating speed of the threshing cylinder in a plurality of steps is realized by increasing the number of gear groups, so that the threshing cylinder can be increased in an adjustable plurality of steps, and the speed change range is wider.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a gear shift housing according to the present invention.

In the figure:

1. the device comprises a threshing cylinder, 2, a gear shifting gear box, 2-1, a power input mechanism, 2-2, a gear shifting mechanism, 2-3, a reversing mechanism, 3 and a gear shifting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 2, a harvester threshing cylinder with adjustable rotating speed comprises a threshing cylinder 1, a gear shifting gear box 2 and a gear shifting rod 3, wherein the threshing cylinder 1 is connected with the gear shifting gear box 2 through a spline, and the gear shifting rod 3 is installed on the gear shifting gear box 2 and used for replacing a gear of the gear shifting gear box 2.

In one embodiment, the gear shifting gear box 2 comprises a power input mechanism 2-1, a gear shifting mechanism 2-2 and a reversing mechanism 2-3, wherein the power input mechanism 2-1 is positioned on one side of the gear shifting gear box 2 away from the threshing cylinder 1 and provides power input; the gear shifting mechanism 2-2 is respectively connected with the power input mechanism 2-1 and the reversing mechanism 2-3, and the gear shifting rod 3 is connected with the gear shifting mechanism 2-2; the gear shifting mechanism 2-2 changes gears as required and then transmits power to the reversing mechanism 2-3.

In one embodiment, the power input mechanism 2-1 is a pulley or sprocket or gear.

In one embodiment, the gear shift mechanism 2-2 comprises a gear shift gear set, the gear shift gear set is respectively connected with the power input mechanism 2-1 and the reversing mechanism 2-3 through a rotating shaft, and the rotating speed is adjusted by changing the transmission ratio of the gear shift gear set, for example, the gear shift gear set in the gear shift mechanism 2-2 has two pairs of gears, which respectively correspond to the two gear ratios, so that two gears can be engaged through the gear shift lever 3, the corresponding output rotating speed is also two gears, and the rotating speed of the threshing cylinder 1 corresponds to also two gears; therefore, the number of gear pairs of the gear-shifting gear set in the gear-shifting mechanism 2-2 can be increased or decreased, so that the number of adjustable stages of the rotating speed of the threshing cylinder 1 can be increased or decreased, and the rotating speed range can be changed.

In one embodiment, the reversing mechanism 2-3 comprises a bevel gear set, one end of the bevel gear set is connected with the gear shifting mechanism 2-2 through an input shaft, and the other end of the bevel gear set is connected with the threshing cylinder 1 through an output shaft, so that power is converted by 90 degrees and is output to the threshing cylinder 1 vertical to the gear shifting gear box 2, and power transmission is completed.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (5)

1. A harvester threshing cylinder with adjustable rotating speed is characterized in that: the gear-shifting device is characterized by comprising a threshing cylinder (1), a gear-shifting gear box (2) and a gear shifting rod (3), wherein the threshing cylinder (1) is connected with the gear-shifting gear box (2), and the gear shifting rod (3) is installed on the gear-shifting gear box (2) and used for changing gears of the gear-shifting gear box (2).

2. The rotation speed adjustable harvester threshing cylinder of claim 1, wherein: the gear shifting gearbox (2) comprises a power input mechanism (2-1), a gear shifting mechanism (2-2) and a reversing mechanism (2-3), the power input mechanism (2-1) is located on one side, away from the threshing cylinder (1), of the gear shifting gearbox (2), the gear shifting mechanism (2-2) is connected with the power input mechanism (2-1) and the reversing mechanism (2-3) respectively, and the gear shifting rod (3) is connected with the gear shifting mechanism (2-2).

3. The rotation speed adjustable harvester threshing cylinder of claim 2, wherein: the power input mechanism (2-1) is a belt wheel or a chain wheel or a gear.

4. The rotational speed adjustable harvester threshing cylinder of claim 2, wherein: the gear shifting mechanism (2-2) comprises a gear shifting gear set, and the gear shifting gear set is respectively connected with the power input mechanism (2-1) and the reversing mechanism (2-3) through rotating shafts.

5. The rotational speed adjustable harvester threshing cylinder of claim 2, wherein: the reversing mechanism (2-3) comprises a bevel gear set, one end of the bevel gear set is connected with the gear shifting mechanism (2-2) through an input shaft, and the other end of the bevel gear set is connected with the threshing cylinder (1) through an output shaft.

Images