Harvester chain and sunflower harvester
By designing a chain for sunflower harvester and cutting the stems of the crop using the first extension of the external link, the problems of low harvesting efficiency and poor quality in the prior art are solved, efficient crop harvesting and transporting are achieved, and labor costs are reduced.
Patent Information
- Application Number
- CN202421788639.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing sunflower harvesters have problems of low harvesting efficiency and poor quality during the working process.
A chain for a harvester is designed, and the chain includes a plurality of inner links and external links. The stems of the crop are cut through the first extension of the external link, thereby improving the harvesting and conveying efficiency, and improving the harvesting quality.
The chain of this harvester can effectively cut the stems of the crop, improve the harvesting and transport efficiency of the crop, improve the harvesting quality, reduce labor intensity and reduce labor costs.
Smart Images
Figure CN222869447U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chains, in particular to a harvester chain and a sunflower harvester. Background Art
[0002] Sunflower seeds are an important economic crop. They can be used as snacks, as well as raw materials for making cakes and oil. At present, the sunflower harvester moves forward to allow rows of sunflowers to enter the header. The blades at the bottom of the header cut the sunflower stalks, and then the sunflowers are transported to the inside of the machine through a conveyor belt for threshing, and then the seeds are collected in the storage bin. Compared with manual harvesting, the sunflower harvester can not only improve the efficiency and quality of harvesting, but also reduce labor costs and time costs; however, the existing sunflower harvesters have problems with low efficiency and poor quality of sunflower harvesting during operation. Utility Model Content
[0003] The utility model aims to provide a harvester chain and a sunflower harvester, which can cut the stems of crops, thereby improving the efficiency of crop harvesting and transmission, and improving the harvesting quality of crops.
[0004] The embodiment of the utility model is achieved as follows:
[0005] In a first aspect, the utility model provides a chain for a harvester, the chain for a harvester comprising a plurality of inner chain links and a plurality of outer chain links; the plurality of inner chain links and the plurality of outer chain links are connected in a staggered sequence to form a ring;
[0006] The outer chain link comprises an outer attachment plate, an outer chain plate and two pins; the outer attachment plate comprises a first plate body and a first extension portion connected to the first plate body, the first extension portion is used to cut off the stems of crops, the first plate body is provided with two first connection holes arranged at intervals, and the outer chain plate is provided with two second connection holes arranged at intervals;
[0007] The first plate body is arranged opposite to the outer link plate, each first connecting hole corresponds to a second connecting hole, and they are respectively interference-fitted at two ends of the same pin shaft; the two pin shafts are connected to two adjacent inner chain links.
[0008] In an optional embodiment, an end of the first extension portion facing away from the first plate body is configured with an arc surface, and both sides of the first extension portion extend obliquely toward the middle area.
[0009] In an optional embodiment, the first extension portion is inclined toward one side of the outer link plate.
[0010] In an optional embodiment, the first plate body and the outer link plate are both provided with bosses protruding toward the outside thereof, and the height of the bosses is greater than the height of the pin shaft protruding from the first plate body and the outer link plate.
[0011] In an optional embodiment, the inner link includes an inner attachment plate, an inner link plate, a sleeve and a roller;
[0012] The inner attached plate includes a second plate body and a second extension portion connected to the second plate body; the second plate body is arranged opposite to the inner link plate and is interference fit with a sleeve located between the second plate body and the inner link plate, and the roller is sleeved on the sleeve;
[0013] The second extension portion is used to connect with an external accessory, and the pin is passed through the sleeve.
[0014] In an optional embodiment, the second extension portion is provided with at least one connection hole for connecting with an external accessory.
[0015] In an optional embodiment, the second extension portion is inclined toward one side of the inner link plate.
[0016] In an optional embodiment, the outer attached plate and the inner attached plate are located on the same side of the pin shaft, and the first extending portion is parallel to the second extending portion.
[0017] In an optional embodiment, the first extension portion and the second extension portion are spaced apart by 0.5 mm to 2.5 mm.
[0018] In a second aspect, the utility model provides a sunflower harvester, which includes the harvester chain.
[0019] The beneficial effects of the embodiments of the utility model include:
[0020] The harvester chain includes a plurality of inner links and a plurality of outer links; the plurality of inner links and the plurality of outer links are connected in a staggered order to form a ring; the outer link includes an outer attachment plate, an outer link plate and two pins; the outer attachment plate includes a first plate body and a first extension connected to the first plate body, the first extension portion is used to cut the stems of the crop, the first plate body is provided with two first connection holes arranged at intervals, and the outer link plate is provided with two second connection holes arranged at intervals; wherein the first plate body and the outer link plate are arranged opposite to each other, each first connection hole corresponds to a second connection hole, and are respectively interference-fitted at the two ends of the same pin; the two pins are connected to two adjacent inner links. The harvester chain can cut the stems of the crop during operation, thereby improving the efficiency of crop harvesting and transmission, and improving the harvesting quality of the crop. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 This is a structural schematic diagram of a harvester chain from a first perspective in an embodiment of the utility model;
[0023] Figure 2 This is a structural schematic diagram of a harvester chain from a second viewing angle in an embodiment of the utility model;
[0024] Figure 3 It is a structural schematic diagram of a harvester chain from a third perspective in an embodiment of the utility model;
[0025] Figure 4 for Figure 1 The local schematic diagram of the A in the middle;
[0026] Figure 5 for Figure 3 The local schematic diagram of point B in the middle;
[0027] Figure 6 for Figure 3 The local schematic diagram of the C in the middle;
[0028] Figure 7 This is a schematic diagram of the structure of the external and internal attached plates in the embodiment of the utility model;
[0029] Figure 8 This is an inclined schematic diagram of the first extension portion in an embodiment of the utility model;
[0030] Fig. 9 This is a schematic diagram of the structure of the outer link plate in the embodiment of the utility model;
[0031] Fig.10 It is a schematic diagram of the structure of the inner plate in the embodiment of the utility model.
[0032] Icons: 100-harvester chain; 110-inner link; 120-outer link; 121-outer attached plate; 122-outer chain plate; 123-pin shaft; 124-first plate body; 125-first extension portion; 126-first connecting hole; 127-second connecting hole; 128-arc surface; 129-boss; 111-inner attached plate; 112-inner chain plate; 113-sleeve; 114-roller; 115-second plate body; 116-second extension portion; 117-connecting hole. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0036] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply 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 a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0037] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0038] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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.
[0039] Please refer to Figure 1-Figure 7 , this embodiment provides a harvester chain 100, the harvester chain 100 includes a plurality of inner chain links 110 and a plurality of outer chain links 120; the plurality of inner chain links 110 and the plurality of outer chain links 120 are connected in a staggered order to form a ring;
[0040] The outer link 120 includes an outer attachment plate 121, an outer link plate 122 and two pins 123; the outer attachment plate 121 includes a first plate body 124 and a first extension portion 125 connected to the first plate body 124, the first extension portion 125 is used to cut the stems of crops, the first plate body 124 is provided with two first connection holes 126 arranged at intervals, and the outer link plate 122 is provided with two second connection holes 127 arranged at intervals;
[0041] The first plate 124 is disposed opposite to the outer link plate 122 , each first connection hole 126 corresponds to a second connection hole 127 , and are respectively interference-fitted with two ends of the same pin shaft 123 ; the two pin shafts 123 are connected to two adjacent inner chain links 110 .
[0042] Please refer to Figure 1-Figure 7 The working principle of the harvester chain 100 is:
[0043] It should be noted that this embodiment is described by taking the harvester chain 100 used in a sunflower harvester as an example, and in other embodiments of the utility model, it can also be used in other types of crop harvesters;
[0044] The harvester chain 100 can cut the stems of crops during operation, and can work in cooperation with or independently with the blade during the process of harvesting or sending crops, so as to improve the efficiency of harvesting or sending crops, thereby reducing the working pressure of other structures in the harvester, avoiding the need to manually arrange or cut the stems of crops, and thus reducing the labor intensity of manual labor;
[0045] Specifically, the harvester chain 100 includes a plurality of inner links 110 and a plurality of outer links 120; the plurality of inner links 110 and the plurality of outer links 120 are connected in a staggered order to form a ring, that is, the harvester chain 100 adopts a method of arranging a plurality of inner links 110 and a plurality of outer links 120, and the plurality of inner links 110 and the plurality of outer links 120 are connected in a staggered order to form a ring, thereby forming a complete chain structure, so that the harvester chain 100 can circulate and rotate during operation;
[0046] The outer link 120 includes an outer attachment plate 121, an outer link plate 122 and two pins 123; wherein the outer attachment plate 121 includes a first plate body 124 and a first extension portion 125 connected to the first plate body 124, so that the harvester chain 100 can cut the stems of crops through the movement of the first extension portion 125 during operation;
[0047] Along the extension direction of the harvester chain 100, each outer chain link 120 is connected to two adjacent inner chain links 110. Based on this, in order to facilitate the connection between the outer chain link 120 and the adjacent inner chain links 110, the first plate body 124 is provided with two first connecting holes 126 arranged at intervals, and the outer chain plate 122 is provided with two second connecting holes 127 arranged at intervals; and the first plate body 124 and the outer chain plate 122 are arranged opposite to each other, each first connecting hole 126 corresponds to a second connecting hole 127, and are respectively interference-fitted at the two ends of the same pin shaft 123, so that the outer attachment plate 121 and the outer chain plate 122 can be connected to the two pin shafts 123; in addition, by connecting the two pin shafts 123 to the two adjacent inner chain links 110 respectively, a plurality of inner chain links 110 and a plurality of outer chain links 120 can be connected in series into a ring;
[0048] In summary, the harvester chain 100 has a simple structure and can cut the stems of crops during operation, thereby improving the efficiency of crop harvesting and transportation, improving the quality of crop harvesting, and reducing the labor intensity of manual labor, thereby reducing labor costs.
[0049] For further information, please refer to Figure 1-Figure 8 In the present embodiment, when configuring the first extension portion 125, the first extension portion 125 is extended toward the upper area of the outer link 120. In order to improve the efficiency of cutting the stems and avoid the situation where the crop stems are stuck in the outer link 120, the end of the first extension portion 125 away from the first plate body 124 is provided with an arc surface 128, and both sides of the first extension portion 125 are inclined and extended toward the middle area. This arrangement enables the first extension portion 125 to contact the crop stems smoothly, thereby improving the efficiency of the cutting.
[0050] In addition, based on the above structure, in order to avoid the first extension portion 125 from interfering with the external structure, the first extension portion 125 is inclined toward one side of the outer link plate 122 .
[0051] In addition, since the harvester chain 100 will inevitably come into contact with external crops or structures during operation, in order to prevent the pin 123 of the harvester chain 100 from being damaged or broken due to excessive wear, please refer to Figure 1-Figure 9 The first plate 124 and the outer link plate 122 are both provided with a boss 129 protruding toward the outside thereof, and the height of the boss 129 is greater than the height of the pin 123 protruding from the first plate 124 and the outer link plate 122. Such a configuration is intended to allow the boss 129 to contact external crops or structures before the pin 123, thereby protecting the pin 123.
[0052] Based on the above, please refer to Figure 1-Figure 10 In this embodiment, the inner link 110 includes an inner attachment plate 111, an inner link plate 112, a sleeve 113 and a roller 114;
[0053] The inner attachment plate 111 includes a second plate body 115 and a second extension portion 116 connected to the second plate body 115; the second plate body 115 is disposed opposite to the inner link plate 112, and is interference-fitted with a sleeve 113 located between the second plate body 115 and the inner link plate 112, and the roller 114 is sleeved on the sleeve 113;
[0054] The second extension portion 116 is used to connect with an external accessory, and the pin 123 is passed through the sleeve 113 .
[0055] Through the above-mentioned arrangement, the inner link 110 can be connected to the outer link 120 through the cooperation of its sleeve 113 and the pin 123, and on this basis can be connected to the external accessory through the second extension part 116, so as to enrich the function of the harvester chain 100, and then different functions can be achieved by adjusting the accessory structure connected to the inner link 110. Moreover, such a structural arrangement can reduce its use cost while enriching the function of the harvester chain 100.
[0056] To facilitate connection with external accessories, the second extension portion 116 is provided with at least one connection hole 117 for connection with the external accessories.
[0057] As can be seen from the above, the first extension portion 125 is inclined toward the outer link plate 122 , and in the same principle, the second extension portion 116 is inclined toward the inner link plate 112 .
[0058] For further information, please refer to Figure 1-Figure 10 In this embodiment, the outer attachment plate 121 and the inner attachment plate 111 are located on the same side of the pin shaft 123, that is, in this way, the first extension portion 125 and the second extension portion 116 are located on the same side of the harvester chain 100. On this basis, the first extension portion 125 can be parallel to the second extension portion 116, that is, the angle of the first extension portion 125 relative to the horizontal direction (such as Figure 8 The angle between the second extension portion 116 and the horizontal direction (as shown by the mark α in the figure) is Figure 8 The purpose of such a setting is to facilitate the external accessories to work in coordination with the first extension after being connected to the second extension part 116. In addition, on this basis, the present embodiment adopts a method in which the first extension part 125 and the second extension part 116 are spaced 0.5mm-2.5mm apart to avoid interference between the two during operation.
[0059] It should be noted that in other embodiments of the present invention, the first extension portion 125 and the second extension portion 116 may be disposed on both sides of the harvester chain 100, and the position of each first extension portion 125 and the second extension portion 116 may be adjusted based on usage requirements.
[0060] Based on the above, please refer to Figure 1-Figure 10 This embodiment also provides a sunflower harvester, which includes the harvester chain 100.
[0061] In summary, the sunflower harvester adopts the above-mentioned harvester chain 100, which can cut the stems of crops through the first extension part 125 on the running harvester chain 100 during operation, thereby improving the efficiency of crop harvesting and transportation, and adding accessories to the inner link 110, thereby enriching the function of the harvester chain 100, thereby improving the quality of crop harvesting, and reducing manual labor intensity, thereby reducing labor costs.
[0062] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A chain for a harvester, characterized in that: The harvester chain comprises a plurality of inner chain links and a plurality of outer chain links; the plurality of inner chain links and the plurality of outer chain links are connected in a staggered order to form a ring; The outer chain link comprises an outer attachment plate, an outer link plate and two pins; the outer attachment plate comprises a first plate body and a first extension portion connected to the first plate body, the first extension portion is used to cut off the stems of crops, the first plate body is provided with two first connection holes arranged at intervals, and the outer link plate is provided with two second connection holes arranged at intervals; Wherein, the first plate body is arranged opposite to the outer link plate, each of the first connecting holes corresponds to one of the second connecting holes, and are respectively interference-fitted at two ends of the same pin shaft; the two pin shafts are connected to two adjacent inner chain links.
2. The harvester chain according to claim 1, characterized in that: An end of the first extension portion facing away from the first plate body is configured with an arc surface, and both sides of the first extension portion extend obliquely toward the middle area.
3. The harvester chain according to claim 2, characterized in that: The first extension portion is inclined toward one side of the outer link plate.
4. The harvester chain according to claim 1, characterized in that: The first plate body and the outer link plate are both provided with a boss protruding toward the outer side thereof, and the height of the boss is greater than the height of the pin shaft protruding from the first plate body and the outer link plate.
5. The harvester chain according to any one of claims 1 to 4, characterized in that: The inner chain link comprises an inner attachment plate, an inner link plate, a sleeve and a roller; The inner attached plate includes a second plate body and a second extension portion connected to the second plate body; the second plate body is arranged opposite to the inner link plate and is interference fit with the sleeve located between the second plate body and the inner link plate, and the roller is sleeved on the sleeve; Wherein, the second extension portion is used to connect with an external accessory, and the pin shaft is passed through the sleeve.
6. The harvester chain according to claim 5, characterized in that: The second extension portion is provided with at least one connection hole for connecting with an external accessory.
7. The harvester chain according to claim 6, characterized in that: The second extension portion is inclined toward one side of the inner link plate.
8. The harvester chain according to claim 7, characterized in that: The outer attached plate and the inner attached plate are located on the same side of the pin shaft, and the first extending portion is parallel to the second extending portion.
9. The harvester chain according to claim 8, characterized in that: The first extension portion and the second extension portion are spaced apart from each other by 0.5 mm to 2.5 mm.
10. A sunflower harvester, characterized in that: The sunflower harvester comprises the harvester chain as described in any one of claims 1-9.