Transmission assembly

Abstract

The utility model provides a transmission assembly, which relates to the technical field of ear harvesting machine equipment, and comprises a first connecting part with a hollow interior, a first end and a second end which are opposite to each other of the first connecting part and are provided with communicated openings, and a first external spline is arranged around the first connecting part by a circle; the first external spline is located between the first end and the second end of the first connecting part, the second connecting part is hollow, the first end and the second end, opposite to each other, of the second connecting part are provided with communicated openings, and a spline is arranged on the side wall of the second connecting part. According to the structural design, the effects that the device is convenient to disassemble and convenient to maintain in the later period can be achieved, the step of disassembling or assembling bolts can be omitted, and the technical problems existing in the prior art are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ear harvester equipment, in particular to a transmission component. Background Art

[0002] A corn harvester is an agricultural machine used to harvest corn. Its working principle is to cut the corn plants from the ground and separate the corn kernels and stalks through a series of mechanical and electrical devices, thereby achieving corn harvesting and processing.

[0003] At present, a transmission mechanism composed of multiple components is required to complete the transmission connection between the motor and the ear picking gear box as well as between the ear picking gear box and the stem pulling roller. When the transmission mechanism composed of multiple components is connected, one is a detachable connection by bolts, and the other is a fixed connection by welding. Among them, although the connection by bolts can achieve the effect of easy disassembly, the number of bolts involved in the assembly and disassembly process is large, which invisibly increases the time spent on assembly and disassembly of the device, and also consumes manpower; if welding is used for fixed connection, it is not convenient for the later maintenance of the device.

[0004] Therefore, the above technical problems need to be further resolved. Utility Model Content

[0005] The purpose of the utility model is to provide a testing machine to alleviate the technical problems involved in the above-mentioned related technologies.

[0006] The utility model provides a transmission assembly, comprising:

[0007] A first connecting portion, wherein the interior of the first connecting portion is hollow, a first end and a second end of the first connecting portion opposite to each other have a communicating opening, a first external spline is arranged around a circumference of the first connecting portion, and the first external spline is located between the first end and the second end of the first connecting portion;

[0008] A second connecting portion, wherein the interior of the second connecting portion is hollow, a first end and a second end of the second connecting portion opposite to each other have a communicating opening, and a spline is provided on a side wall of the second connecting portion;

[0009] Wherein, the opening of the second end of the first connecting part is connected and communicated with the opening of the first end of the second connecting part, the first external spline of the first connecting part is used to connect to a power source, and the spline of the second connecting part is used to connect to a driving member driven by the power source.

[0010] The purpose of this application and the solution of its technical problems can also be further achieved by adopting the following technical measures.

[0011] Optionally, in the aforementioned transmission assembly, the first connecting portion and the second connecting portion are both cylindrical.

[0012] Optionally, in the aforementioned transmission assembly, the spline comprises:

[0013] A second external spline is disposed on an outer side wall of the second connecting portion.

[0014] Optionally, in the aforementioned transmission assembly, the spline further comprises:

[0015] Internal splines are arranged on the inner side wall of the second connecting portion.

[0016] Optionally, the aforementioned transmission assembly further includes:

[0017] A middle part, the interior of which is hollow, and the two opposite ends of the middle part have connected openings, the opening at one end of the middle part is connected and connected to the opening at the second end of the first connecting part, and the opening at the other end of the middle part is connected and connected to the opening at the first end of the second connecting part.

[0018] Optionally, in the aforementioned transmission assembly, the middle portion is cylindrical, and an outer ring is provided on the outer side wall of the middle portion in a stepped shape along a first direction, and the first direction is the direction from the second connecting portion to the first connecting portion.

[0019] Optionally, in the aforementioned transmission assembly, the first connecting part, the second connecting part, the first external spline, the second external spline, the internal spline, the middle part and the outer ring are all made of metal materials.

[0020] Optionally, in the aforementioned transmission assembly, the first connecting portion, the second connecting portion, the first external spline, the second external spline, the internal spline, the middle portion and the outer ring are all integrated structures.

[0021] Optionally, in the aforementioned transmission assembly, the diameter length of the cross section of the first connecting portion along the second direction is smaller than the diameter length of the cross section of the second connecting portion along the second direction;

[0022] The second direction is a direction perpendicular to the ground.

[0023] Optionally, in the aforementioned transmission assembly, an oil passage for supplying oil to the internal spline is provided inside the first connecting portion and the middle portion.

[0024] By means of the above technical solution, the transmission assembly of the present application has at least the following advantages:

[0025] The transmission assembly provided in the embodiment of the present application has a first external spline arranged on the first connecting part so that the first external spline is connected to the power source, and a spline is arranged on the second connecting part so that the spline is connected to the driving member, so that the power source can drive the driving member to work. This structural design can not only make the device easy to disassemble for later maintenance, but also omit the steps of bolt disassembly or assembly, effectively solving the technical problems existing in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the related technologies, the drawings required for use in the specific implementation methods or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 A schematic structural diagram of a transmission assembly from a first perspective provided by an embodiment of the utility model;

[0028] Figure 2 A schematic structural diagram of a transmission assembly from a second perspective provided in an embodiment of the utility model.

[0029] icon:

[0030] 1. First connecting part; 2. First external spline; 3. Second connecting part; 4. Second external spline; 5. Internal spline; 6. Intermediate part. DETAILED DESCRIPTION

[0031] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Example

[0035] like Figure 1 - Figure 2 As shown, the transmission assembly proposed in the embodiment of the utility model includes:

[0036] A first connecting portion 1, wherein the interior of the first connecting portion 1 is hollow, a first end and a second end of the first connecting portion 1 opposite to each other have a communicating opening, a first external spline 2 is arranged around a circumference of the first connecting portion 1, and the first external spline 2 is located between the first end and the second end of the first connecting portion 1;

[0037] A second connecting portion 3, wherein the interior of the second connecting portion 3 is hollow, a first end and a second end of the second connecting portion 3 opposite to each other have communicating openings, and a spline is provided on a side wall of the second connecting portion 3;

[0038] Among them, the opening of the second end of the first connecting part 1 is connected and communicated with the opening of the first end of the second connecting part 3, the first external spline of the first connecting part 1 is used to connect to a power source, and the spline of the second connecting part 3 is used to connect to a driving member driven by the power source.

[0039] Specifically, the splines are of standard structure, all of which are multi-tooth parts, the splines on the inner surface are internal splines, and the splines on the outer surface are external splines.

[0040] The first external spline 2 of the first connecting part 1 is used to connect to a power source with an internal spline, wherein the power source is such as the output shaft of a motor. The first external spline 2 is located between the first end and the second end of the first connecting part 1. This structural design can facilitate the docking of the first external spline 2 with the power source with an internal spline.

[0041] The side wall of the second connecting part 3 is provided with a spline, that is, the outer side wall of the second connecting part 3 is provided with an external spline, or the inner side wall of the second connecting part 3 is provided with an internal spline, or the outer side wall of the second connecting part 3 is provided with an external spline, and the inner side wall of the second connecting part 3 is provided with an internal spline, wherein the specific arrangement of the spline can be selected by the technician according to actual needs. The spline on the side wall of the second connecting part 3 is used to be connected with the driven device, wherein the driven device is such as: a stem puller and a screw dragon.

[0042] When the first external spline 2 of the first connecting part 1 is connected to a power source that also has a matching spline, and the spline of the second connecting part 3 is connected to a driven device that also has a matching spline, the power source can drive the first connecting part 1 and the second connecting part 3 to operate synchronously, so that the driven device connected to the second connecting part 3 can work. This structural design can not only make the device easy to disassemble, but also omit the steps of bolt disassembly or assembly, that is, it is only necessary to connect the power source and the driven device through the first connecting part 1 and the second connecting part 3, which effectively solves the technical problems existing in the prior art.

[0043] The transmission assembly provided by the embodiment of the utility model has a first external spline 2 arranged on the first connecting part 1 so that the first external spline 2 is connected to the power source, and a spline is arranged on the second connecting part 3 so that the spline is connected to the driving member, so that the power source can drive the driving member to work. This structural design can not only make the device easy to disassemble for the convenience of later maintenance, but also omit the steps of bolt disassembly or assembly, effectively solving the technical problems existing in the prior art.

[0044] like Figure 1 - Figure 2 As shown, in a specific implementation, the first connecting portion 1 and the second connecting portion 3 are both cylindrical.

[0045] Specifically, this structural design can facilitate the device to be connected between a power source and a driven device.

[0046] like Figure 1 - Figure 2 As shown, in a specific implementation, the spline includes:

[0047] The second external splines 4 are arranged on the outer side wall of the second connecting portion 3 .

[0048] Specifically, the present application provides an implementation mode in which a spline is provided on the second connection portion 3 , that is, a second external spline 4 is provided on the outer side wall of the second connection portion 3 , and the second external spline 4 is used for transmission connection with a driven device.

[0049] like Figure 1 - Figure 2 As shown, in a specific implementation, the spline further includes:

[0050] The internal splines 5 are arranged on the inner side wall of the second connecting portion 3 .

[0051] Specifically, the present application provides another implementation mode in which the second connection portion 3 is provided with a spline, that is, an internal spline 5 is provided on the inner side wall of the second connection portion 3, and the internal spline 5 is used for transmission connection with the driven device.

[0052] The present application provides another embodiment of setting a spline on the second connecting part 3, that is, an internal spline 5 is set on the inner wall of the second connecting part 3, and a second external spline 4 is set on the outer wall of the second connecting part 3. The internal spline 5 is used for transmission connection with the driven device, and the second external spline 4 can be used for transmission connection with another driven device. This structural design enables the device to connect two driven devices at the same time to improve the use effect of the device.

[0053] like Figure 1 - Figure 2 As shown, in a specific implementation, it also includes:

[0054] The middle part 6 is hollow inside, and has two opposite ends of the middle part 6 with connected openings. The opening at one end of the middle part 6 is connected and connected to the opening at the second end of the first connecting part 1, and the opening at the other end of the middle part 6 is connected and connected to the opening at the first end of the second connecting part 3.

[0055] Specifically, the provision of the middle portion 6 can facilitate the connection between the first connection portion 1 and the second connection portion 3 , and can also extend the distance between the first connection portion 1 and the second connection portion 3 , so as to facilitate installation and disassembly by technicians.

[0056] like Figure 1 - Figure 2 As shown, in a specific implementation, the middle portion 6 is cylindrical, and an outer ring is provided on the outer side wall of the middle portion 6 in a stepped shape along a first direction, wherein the first direction is the direction from the second connection portion 3 to the first connection portion 1 .

[0057] Specifically, this structural design can improve the overall toughness of the device and avoid the occurrence of fractures due to insufficient overall toughness of the device during use.

[0058] In a specific implementation, the first connecting portion 1, the second connecting portion 3, the first external spline 2, the second external spline 4, the internal spline 5, the middle portion 6 and the outer ring are all made of metal materials.

[0059] Specifically, metal materials have the advantages of good heat resistance and are not easy to burn; little change in properties with temperature changes; high mechanical strength; good durability and not easy to age; not easy to be damaged and not easily contaminated by dust and dirt.

[0060] In a specific implementation, the first connecting portion 1, the second connecting portion 3, the first external spline 2, the second external spline 4, the internal spline 5, the middle portion 6 and the outer ring are all integrated structures.

[0061] Specifically, the first connecting part 1, the second connecting part 3, the first external spline 2, the second external spline 4, the internal spline 5, the middle part 6 and the outer ring are processed into an integrated structure by an integrated casting method. This structural design can improve the overall toughness of the device and avoid breakage due to insufficient toughness of the device as a whole during use.

[0062] like Figure 1 and Figure 2 As shown, in a specific implementation, the diameter length of the cross section of the first connecting portion 1 along the second direction is smaller than the diameter length of the cross section of the second connecting portion 3 along the second direction;

[0063] The second direction is a direction perpendicular to the ground.

[0064] In a specific implementation, an oil passage for supplying oil to the internal spline 5 is disposed inside the first connecting portion 1 and the middle portion 6 .

[0065] Specifically, this structural design can facilitate the internal spline 5 to remain lubricated at all times. In addition, the technician can manually apply lubrication to the first external spline 2 and the second external spline 4 to keep the first external spline 2 and the second external spline 4 in the same lubricated state as the internal spline 5.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A transmission assembly, characterized in that: include: A first connecting portion, wherein the interior of the first connecting portion is hollow, a first end and a second end of the first connecting portion opposite to each other have a communicating opening, a first external spline is arranged around a circumference of the first connecting portion, and the first external spline is located between the first end and the second end of the first connecting portion; A second connecting portion, wherein the interior of the second connecting portion is hollow, a first end and a second end of the second connecting portion opposite to each other have a communicating opening, and a spline is provided on a side wall of the second connecting portion; Wherein, the opening of the second end of the first connecting part is connected and communicated with the opening of the first end of the second connecting part, the first external spline of the first connecting part is used to connect to a power source, and the spline of the second connecting part is used to connect to a driving member driven by the power source.

2. The transmission assembly according to claim 1, characterized in that: The first connecting portion and the second connecting portion are both cylindrical.

3. The transmission assembly according to claim 1, characterized in that: The spline comprises: A second external spline is disposed on an outer side wall of the second connecting portion.

4. The transmission assembly according to claim 3, characterized in that: The spline also includes: Internal splines are arranged on the inner side wall of the second connecting portion.

5. The transmission assembly according to claim 4, characterized in that: Also includes: A middle part, the interior of which is hollow, and the two opposite ends of the middle part have connected openings, the opening at one end of the middle part is connected and connected to the opening at the second end of the first connecting part, and the opening at the other end of the middle part is connected and connected to the opening at the first end of the second connecting part.

6. The transmission assembly according to claim 5, characterized in that: The middle portion is cylindrical, and an outer ring is provided on an outer side wall of the middle portion in a stepped shape along a first direction, wherein the first direction is a direction from the second connecting portion to the first connecting portion.

7. The transmission assembly according to claim 6, characterized in that: The first connecting portion, the second connecting portion, the first external spline, the second external spline, the internal spline, the middle portion and the outer ring are all made of metal materials.

8. The transmission assembly according to claim 6, characterized in that: The first connecting portion, the second connecting portion, the first external spline, the second external spline, the internal spline, the middle portion, and the outer ring are all integrated structures.

9. The transmission assembly according to claim 2, characterized in that: The diameter length of the cross section of the first connecting portion along the second direction is smaller than the diameter length of the cross section of the second connecting portion along the second direction; The second direction is a direction perpendicular to the ground.

10. The transmission assembly according to claim 5, characterized in that: An oil passage for supplying oil to the internal spline is arranged inside the first connecting portion and the middle portion.

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