Throwing device of agricultural machine and agricultural machine
By adopting rolling fit and lubrication measures in the rotating mechanism of the agricultural machinery throwing device, the problem of severe wear of the rotating mechanism was solved, and the stability and durability of the rotating performance were improved.
Patent Information
- Application Number
- CN202423303651.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The rotating mechanism of existing agricultural machinery throwing devices suffers severe wear and tear during long-term use, resulting in a decline in rotational performance.
A rotating connector is provided between the first and second rotating parts that rotate coaxially. The friction is reduced by rolling contact. For example, a ball or roller is used as the rotating connector, and lubricating material is injected into the raceway through an oil injection channel to reduce friction.
It effectively reduces wear on the rotating mechanism, extends its service life, improves rotational performance and stability, and ensures the reliability and durability of the throwing device.
Smart Images

Figure CN223600392U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of agricultural machinery equipment, and particularly relates to a throwing device of agricultural machinery and the agricultural machinery. BACKGROUND
[0002] The agricultural machinery comprises a harvesting device for completing a harvesting operation and a throwing device for completing a throwing operation, the throwing operation being transporting of the harvested crops to a designated position or a transport machine, and the throwing device is in communication with the harvesting device to form a channel for conveying the crops.
[0003] In the prior art, the throwing device comprises a rotating mechanism capable of rotating to change the direction of throwing the crops. In the related art, the rotating mechanism is subject to great wear during continuous rotation, and the rotating performance of the rotating mechanism is degraded after long-term use. CONTENT OF THE UTILITY MODEL
[0004] The application aims to provide a throwing device of agricultural machinery and the agricultural machinery, and to reduce the wear of the rotating mechanism.
[0005] To achieve the above-mentioned purpose, the application provides a throwing device in one aspect, comprising:
[0006] a throwing cylinder;
[0007] a rotating mechanism comprising a first rotating member and a second rotating member rotating coaxially, a rotating connecting member being arranged between the first rotating member and the second rotating member, the rotating connecting member being in rolling cooperation with at least one of the first rotating member and the second rotating member, and the first rotating member being connected with an inlet end of the throwing cylinder.
[0008] a connecting seat having one end connected with the second rotating member (23) and the other end fixedly connected with the agricultural machinery and in communication with the harvesting device of the agricultural machinery.
[0009] In some embodiments, the first rotating member and the second rotating member are arranged in a nested manner, and an inner peripheral wall of the first rotating member is arranged opposite to an outer peripheral wall of the second rotating member and forms a mounting area for mounting the rotating connecting member.
[0010] In some embodiments, the rotating connecting member is a ball bearing, a first raceway is formed on the inner peripheral wall of the first rotating member, a second raceway is formed on the outer peripheral wall of the second rotating member, the first raceway and the second raceway form a ball bearing channel, and the rotating connecting member is in rolling cooperation with the ball bearing channel.
[0011] In some embodiments, the first raceway and the second raceway are both groove structures with a hemispherical cross section and extending in the circumferential direction.
[0012] In some embodiments, the first rotating member is provided with an oil injection channel, which is in communication with the first raceway.
[0013] In some embodiments, the rotating connecting member is a roller shaft, the central axis of the roller shaft is parallel to the central axis of the second rotating member, the outer peripheral wall of the second rotating member is provided with a mounting groove, the axial end of the roller shaft is pivotally connected with the groove wall of the mounting groove, and the outer peripheral part of the roller shaft extends radially outside the mounting groove and is rollingly connected with the inner peripheral wall of the first rotating member.
[0014] In some embodiments, the throwing cylinder comprises a first annular connecting part, the axial end face of the first annular connecting part is attached to the axial end face of the first rotating member, and a fastener is arranged between the first annular connecting part and the first rotating member.
[0015] In some embodiments, the axial end face of the first annular connecting part is arranged in spaced relation to the axial end face of the second rotating member facing the axial end face of the first annular connecting part.
[0016] In some embodiments, the outer peripheral wall of the first rotating member is provided with a plurality of rotating teeth, and the throwing device of the agricultural machine further comprises a driving mechanism, the driving end of the driving mechanism is engaged with the rotating teeth.
[0017] Another aspect of the present application also provides an agricultural machine, comprising:
[0018] The throwing device of the agricultural machine according to the above.
[0019] Through the above technical solutions, the throwing device of the agricultural machine and the agricultural machine provided by the present application have the following beneficial effects:
[0020] The agricultural machine comprises a harvesting device and a throwing device, the harvesting device performs harvesting operation on crops, the throwing device is in communication with the harvesting device to form a conveying channel of crops, and the crops are stacked on a transport machine through the conveying channel. The throwing cylinder and the connecting seat are respectively connected with the first rotating member and the second rotating member of the rotating mechanism, the connecting seat is in communication with the harvesting device of the agricultural machine and the second rotating member through the throwing fan, and the relative rotation of the throwing cylinder is realized through the first rotating member and the second rotating member to adjust the orientation of the conveying channel. In the present application, the rotating connecting member is arranged between the first rotating member and the second rotating member, and the rolling connection between the rotating connecting member and the first rotating member and the second rotating member reduces the wear of the rotating mechanism, thereby ensuring the rotation performance of the rotating mechanism.
[0021] Other features and advantages of the embodiments of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0022] The accompanying drawings are included to provide a further understanding of embodiments of the application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the application, and together with the description serve to explain embodiments of the application, but are not intended to limit the present application in any manner. For purposes of explanation and nontimitation, specific structures are set forth in the accompanying drawings and are described in the claims. It is understood that the foregoing is a detailed description of the foregoing is a detailed description of only various preferred embodiments of the application. The application is not limited to these embodiments. Various substitutions and changes can be made without departing from the spirit and scope of the present application as defined by the following claims. In the drawings:
[0023] Figure 1 An exploded view of a throwing device according to an embodiment of the present application;
[0024] Figure 2 An exploded view of a rotating mechanism according to an embodiment of the present application.
[0025] Legend of reference signs
[0026] 1, throwing cylinder; 11, main body; 12, cylinder body; 13, first annular connecting part; 14, fixed connecting part; 2, rotating mechanism; 21, first rotating part; 22, rotating connecting part; 23, second rotating part; 24, first raceway; 25, second raceway; 26, rotating tooth; 3, second annular connecting part; 4, mechanism mounting part; 5, tower. DETAILED DESCRIPTION
[0027] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.
[0028] The throwing device and silage machine terminology part of the agricultural machine according to the present application are described below with reference to the accompanying drawings.
[0029] As shown in Figure 1 and Figure 2 embodiments of the present application provide a throwing device of an agricultural machine, comprising a throwing cylinder 1, a rotating mechanism 2 and a connecting seat, wherein the rotating mechanism 2 comprises coaxially rotating first rotating part 21 and second rotating part 23, rotating connecting part 22 is arranged between the first rotating part 21 and the second rotating part 23, the rotating connecting part 22 is at least in rolling engagement with one of the first rotating part 21 and the second rotating part 23, the first rotating part 21 is connected with the inlet end of the throwing cylinder 1, one end of the connecting seat is connected with the second rotating part (23), and the other end is fixedly connected with the agricultural machine and communicates with the harvesting device of the agricultural machine.
[0030] The harvesting device of the agricultural machine is used for harvesting crops, and the throwing device of the agricultural machine is used for throwing crops onto a transport machine. An inlet end of a throwing cylinder 1 of the throwing device is connected with a first rotating member 21, a connecting seat is connected with a second rotating member 23, and the connecting seat is fixed at a fixed position of the agricultural machine to realize fixation of the throwing device. The connecting seat is also provided with a throwing channel which is communicated with a throwing fan. In the application, a rotating connecting member 22 connects the first rotating member 21 and the second rotating member 23. The rotating connecting member 22 is in rolling cooperation with the first rotating member 21 and / or the second rotating member 23 to reduce the friction between the first rotating member 21 and the second rotating member 23, thereby reducing the wear of the rotating connecting member 22, the first rotating member 21 and the second rotating member 23, and further ensuring the rotation performance of the rotating mechanism 2 to prolong the service life of the rotating mechanism 2.
[0031] The rotation performance of the rotating mechanism 2 refers to rotation stability and rotation efficiency. Better rotation stability refers to smaller fluctuation amplitudes of the first rotating member 21 and the second rotating member 23 along the axial direction and along the radial direction. Better rotation efficiency refers to that the first rotating member 21 rotates while the second rotating member 23 rotates. The cooperation degree of the contact surfaces among the first rotating member 21, the rotating connecting member 22 and the second rotating member 23 affects the rotation stability and the rotation efficiency.
[0032] It can be understood by those skilled in the art that the agricultural machine includes devices such as a silage machine and a stalk-and-ear combine.
[0033] In some embodiments, the first rotating member 21 and the second rotating member 23 are arranged in a nested manner. An inner peripheral wall of the first rotating member 21 is arranged opposite to an outer peripheral wall of the second rotating member 23 and forms a mounting area for mounting the rotating connecting member 22. The throwing cylinder 1 is connected with an axial end surface of the first rotating member 21, and the connecting seat is connected with an axial end surface of the second rotating member 23.
[0034] Preferably, the first rotating member 21 and the second rotating member 23 are both annular structures. The first rotating member 21 and the second rotating member 23 are coaxially arranged in a nested manner, and the first rotating member 21 is located outside the second rotating member 23. The first rotating member 21 and the second rotating member 23 rotate coaxially relative to each other, and the rotating connecting member 22 is arranged between the inner peripheral wall of the first rotating member 21 and the outer peripheral wall of the second rotating member 23. The rotating connecting member 22 between the first rotating member 21 and the second rotating member 23 reduces the contact area between the first rotating member 21 and the second rotating member 23, thereby reducing the wear of the rotating connecting member 22, the first rotating member 21 and the second rotating member 23, and further ensuring the rotation performance of the rotating mechanism 2 to prolong the service life of the rotating mechanism 2.
[0035] In some embodiments, the rotating connecting member 22 is a ball, the inner circumferential wall of the first rotating member 21 is formed with a first raceway 24, the outer circumferential wall of the second rotating member 23 is formed with a second raceway 25, the first raceway 24 and the second raceway 25 form a ball channel, and the ball is in rolling fit with the ball channel. The rotating connecting member 22 is in rolling fit with the first rotating member 21 and the second rotating member 23, thereby further reducing the friction, reducing the wear of the rotating connecting member 22, the first rotating member 21 and the second rotating member 23, and ensuring the rotation performance of the rotating mechanism 2 to prolong the service life of the rotating mechanism 2.
[0036] Preferably, the rotating connecting member 22 is in plurality and is arranged in a circumferential direction, and each of the rotating connecting members 22 is in rolling fit with the ball channel. The first rotating member 21 and the second rotating member 23 are connected by the plurality of rotating connecting members 22, thereby improving the rotation stability between the first rotating member 21 and the second rotating member 23, and further improving the reliability of the rotating mechanism 2.
[0037] In the first optional embodiment, the first raceway 24 and the second raceway 25 are both groove structures with a hemispherical cross section and extending in the circumferential direction, and the cross-sectional radius of the groove structure is consistent with the cross-sectional radius of the rotating connecting member 22. The rotating connecting member 22 and the ball channel are consistent in shape, thereby further improving the rotation stability between the first rotating member 21 and the second rotating member 23. In the second optional embodiment, the first raceway 24 and the second raceway 25 are both curved surface structures extending in the circumferential direction, the first raceway 24 is formed with a plurality of arc-shaped grooves arranged in the circumferential direction, a plurality of rotating moving members are in one-to-one rolling fit with the plurality of arc-shaped grooves, a part of the rotating moving member is located in the arc-shaped groove, and the part protruding out of the arc-shaped groove is in rolling fit with the first raceway 24. In the process of rotation, the part of the rotating moving member is always located in the arc-shaped groove.
[0038] In some embodiments, the rotating connecting member 22 is a roller shaft, the central axis of the roller shaft is parallel to the central axis of the second rotating member 23, the outer circumferential wall of the second rotating member 23 is formed with a mounting groove, the axial end of the roller shaft is pivotally connected with the groove wall of the mounting groove, and the outer circumferential part of the roller shaft protrudes radially out of the mounting groove and is in rolling fit with the inner circumferential wall of the first rotating member 21.
[0039] Preferably, the throwing cylinder 1 comprises a first annular connecting part 13, the axial end face of the first annular connecting part 13 is attached to the axial end face of the first rotating member 21, the outer diameter of the first annular connecting part 13 is greater than the inner diameter of the first rotating member 21, and a fastener is arranged between the first annular connecting part 13 and the first rotating member 21.
[0040] Specifically, the throwing cylinder 1 further comprises a main body part 11, a cylinder part 12 and a first annular connecting part 13, an inner circumferential wall of the first annular connecting part 13 is fixedly connected with an outer circumferential wall of the cylinder part 12, a fixed connecting part 14 is arranged on an axial end surface of the first annular connecting part 13 towards the main body part 11, and the fixed connecting part 14 is fixedly connected with an outer circumferential wall of the main body part 11 to realize synchronous rotation connection of the first rotating part 21, the first annular connecting part 13 and the main body part 11.
[0041] Further, the cylinder part 12 extends in the axial direction, one end of the cylinder part 12 is insertedly connected with the main body part 11, and the other end of the cylinder part 12 is in communication with an inner ring of the second rotating part 23, and the inner ring of the second rotating part 23 is in communication with the connecting seat to form communication between the connecting seat and the main body part 11.
[0042] Preferably, the first rotating part 21 and the second rotating part 23 are arranged in the axial direction at different axial end surfaces to arrange the axial end surface of the first annular connecting part 13 and the axial end surface of the second rotating part 23 towards the axial end surface of the first annular connecting part 13 in a spaced manner, so that a gap is formed in the axial direction between the first annular connecting part 13 and the second rotating part 23, thereby avoiding contact between the first annular connecting part 13 and the second rotating part 23 to cause abrasion during rotation of the first rotating part 21 and the second rotating part 23.
[0043] Preferably, an outer circumferential wall of the cylinder part 12 is in abutment with an inner circumferential wall of the main body part 11, and the outer circumferential wall of the cylinder part 12 is in clearance fit with an inner circumferential wall of the second rotating part 23 to avoid abrasion between the cylinder part 12 and the second rotating part 23 during rotation.
[0044] Further, a sealing ring is arranged at the gap between the outer circumferential wall of the cylinder part 12 and the second rotating part 23 to avoid the broken material from entering between the first rotating part 21 and the second rotating part 23 through the gap, thereby avoiding influence on the rotation performance of the rotating mechanism due to the broken material entering.
[0045] Preferably, an oil injection channel is arranged on the first rotating part 21, and the oil injection channel is in communication with the first raceway 24. Lubricating material is injected into the ball channel through the oil injection channel to further reduce the friction between the rotating connecting part 22 and the first rotating part 21 and the second rotating part 23.
[0046] In some embodiments, an outer circumferential wall of the first rotating part 21 forms a plurality of rotating teeth 26, and the throwing device of the agricultural machine further comprises a driving mechanism, and a driving end of the driving mechanism is engaged with the rotating teeth 26.
[0047] Those skilled in the art can understand that the driving mechanism can adopt a driving motor and a driving gear, a driving shaft of the driving motor is in transmission connection with a rotating shaft of the driving gear, and the driving gear is in meshing connection with the rotating teeth 26; or the driving mechanism can adopt a driving motor and a worm, a driving shaft of the driving motor is in transmission connection with a rotating shaft of the worm, and threads on the worm are in meshing connection with the rotating teeth 26.
[0048] In some embodiments, the connecting seat comprises a tower 5, an outfeed end of the tower 5, the inner ring of the second rotating member 23, and the infeed end of the throwing cylinder 1 are in communication with each other, and the outfeed end of the tower 5 is connected with the second rotating member 23. The relative rotation of the first rotating member 21 and the second rotating member 23 can realize the relative rotation of the throwing cylinder 1 and the tower 5, so as to realize the change of the conveying channel direction.
[0049] Specifically, the tower 5 comprises a second annular connecting portion 3, an axial end face of the second annular connecting portion 3 is in abutment with an axial end face of the second rotating member 23, an outer diameter of the second annular connecting portion 3 is smaller than an inner diameter of the first rotating member 21 and larger than an inner diameter of the second rotating member 23, and a fastener is arranged between the second annular connecting portion 3 and the second rotating member 23.
[0050] Further, an outer periphery of the second annular connecting portion 3 is provided with a mechanism mounting portion 4, and the driving mechanism is mounted on the mechanism mounting portion 4.
[0051] In the present application, the throwing cylinder 1 and the tower 5 are respectively arranged on two sides of the rotating mechanism 2 along the axial direction, the throwing cylinder 1 is fastened with the first rotating member 21, the tower 5 is fastened with the second rotating member 23, the first rotating member 21 and the second rotating member 23 can coaxially rotate relative to each other, the rotating connecting member 22 is arranged between the first rotating member 21 and the second rotating member 23, the rolling cooperation of the rotating connecting member 22 with the first rotating member 21 and the second rotating member 23 can reduce the friction between the rotating connecting member 22 and the first rotating member 21 and the second rotating member 23, so as to reduce the abrasion between the rotating connecting member 22, the first rotating member 21 and the second rotating member 23, and further ensure the rotating performance of the rotating mechanism 2, so as to improve the durability and reliability of the throwing device.
[0052] The specific embodiments of the present application also provide an agricultural machine comprising the throwing device of the agricultural machine. The agricultural machine comprising the throwing device can be a silage machine or a corn stalk and ear combined harvester. Since the agricultural machine adopts all the embodiments of the throwing device of the agricultural machine, the agricultural machine has all the beneficial effects brought by the throwing device of the agricultural machine.
[0053] In the description of the application, it should be understood that the terms "first", "second" are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.
[0054] In this application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0055] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the application. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0056] Although the embodiments of the application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be construed as limiting the application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the application.
Claims
1. A thrower device for an agricultural machine, characterized in that, The application relates to a throwing cylinder (1) and a rotating mechanism (2) for the throwing cylinder (1). The rotating mechanism (2) comprises coaxially rotating first and second rotating members (21, 23), and a rotating connecting member (22) is arranged between the first and second rotating members (21, 23) and is in rolling connection with at least one of the first and second rotating members (21, 23), and the first rotating member (21) is connected with an inlet end of the throwing cylinder (1). One end of the connecting seat is connected with the second rotating member (23), and the other end is fixedly connected with an agricultural machine and is in communication with a harvesting device of the agricultural machine. The first and second rotating members (21, 23) are nested, the inner circumferential wall of the first rotating member (21) is arranged opposite to the outer circumferential wall of the second rotating member (23) and forms an installation area for installing the rotating connecting member (22).
2. The agricultural machine's thrower device according to claim 1, characterized in that, The rotating connecting member (22) is a ball, the first rotating member (21) is provided with a first raceway (24) on the inner circumferential wall, the second rotating member (23) is provided with a second raceway (25) on the outer circumferential wall, the first and second raceways (24, 25) form a ball channel, and the rotating connecting member (22) is in rolling connection with the ball channel.
3. The agricultural machine's thrower device according to claim 2, characterized in that, The first and second raceways (24, 25) are both groove structures with a hemispherical cross section and extending in the circumferential direction.
4. The agricultural machine's thrower device according to claim 3, characterized in that, An oil injection channel is formed in the first rotating member (21) and is in communication with the first raceway (24).
5. The agricultural implement of claim 3, wherein, The rotating connecting member (22) is a roller shaft, the central shaft of the roller shaft is parallel to the central shaft of the second rotating member (23), the outer circumferential wall of the second rotating member (23) is provided with an installation groove, the axial end of the roller shaft is pivotally connected with the groove wall of the installation groove, and the outer circumferential part of the roller shaft extends radially out of the installation groove and is in rolling connection with the inner circumferential wall of the first rotating member (21).
6. The agricultural implement of claim 2, wherein, The throwing cylinder (1) comprises a first annular connecting part (13), the axial end face of the first annular connecting part (13) is attached to the axial end face of the first rotating member (21), and a fastener is arranged between the first annular connecting part (13) and the first rotating member (21).
7. The agricultural implement of claim 1, wherein, The axial end face of the first annular connecting part (13) is arranged apart from the axial end face of the second rotating member (23) towards the first annular connecting part (13).
8. The agricultural machine's thrower device according to claim 7, characterized in that, The outer circumferential wall of the first rotating member (21) is provided with a plurality of rotating teeth (26), and the throwing device of the agricultural machine further comprises a driving mechanism, and the driving end of the driving mechanism is in engagement with the rotating teeth (26).
9. The agricultural implement of claim 1, wherein, The application further relates to a throwing device of an agricultural machine comprising the throwing device according to any one of claims 1 to 9.
10. An agricultural machine characterized by,