High-speed harvesting roller of harvester
By designing the clamping structure between the limit groove and the limit block on the harvester harvesting drum, the problem of inconvenience in replacement of nail teeth is solved, stable installation and efficient replacement of nail teeth are achieved, and working efficiency is improved.
Patent Information
- Application Number
- CN202422079648.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-26
AI Technical Summary
When the nail teeth of the existing harvester harvester are worn or broken, the replacement process is cumbersome, which affects the working efficiency.
A high-speed harvesting roller of a harvester is designed, using a nail groove distributed equally on the connecting column. The nail teeth are clamped with the limit block through the limit groove to achieve stable installation and simplify the nail teeth replacement process.
Through the design of limit slots and limit blocks, the nail teeth are more stable in the nail grooves, simplifying the replacement process, avoiding the nail teeth falling off, and improving working efficiency.
Smart Images
Figure CN223067541U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of harvesting drums, in particular to a high-speed harvesting drum for a harvester. Background Technique
[0002] The harvesting drum is the most important device on the harvester and is commonly used for harvesting wheat or grains. The harvesting drum is generally composed of a main shaft, a positioning ring and a cylinder with spike teeth welded together.
[0003] Regarding the above related technologies, the inventor believes that in the prior art, when the spike teeth on the surface of the cylinder are worn or broken and need to be replaced, it is necessary to first use cutting equipment to cut off the remaining spike teeth, and then use welding equipment to weld and assemble the new spike teeth, which is extremely inconvenient and also affects work efficiency. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] In view of the deficiencies of the prior art, the utility model provides a high-speed harvesting drum for a harvester, which solves the problems raised in the above background technique.
[0006] (2) Technical Solutions
[0007] To achieve the above objectives, the utility model is realized through the following technical solutions: A high-speed harvesting drum for a harvester, including a connecting column and spike teeth. A plurality of nail grooves are equidistantly opened on the connecting column, and the spike teeth are slidably clamped in the nail grooves;
[0008] The spike teeth sequentially include a nail head, a connecting rod and a fixing rod from top to bottom. A first limiting groove is opened in the nail groove, and a first limiting block is fixedly installed on the fixing rod. When the nail head is inserted and passes through the nail groove, the first limiting block is clamped with the first limiting groove.
[0009] Preferably, a second limiting groove is further opened in the nail groove. The second limiting groove is located above the first limiting groove and is arranged at 120° with the first limiting groove. A second limiting block is fixedly installed on the fixing rod. The second limiting block is located below the first limiting block and is arranged at 120° with the first limiting block.
[0010] Preferably, a third limiting groove is further opened in the nail groove. The third limiting groove is located above the second limiting groove and is arranged at 120° with the second limiting groove and the first limiting groove. A third limiting block is fixedly installed on the fixing rod. The third limiting block is located below the second limiting block and is arranged at 120° with the second limiting block and the first limiting block.
[0011] Preferably, a baffle is fixedly installed at the bottom of the fixed rod, a limiting post is installed on the baffle, a clamping groove is formed on the connecting post located on one side of the nail groove, and the limiting post is clamped with the clamping groove.
[0012] Preferably, it further comprises a fixed frame and a rotating shaft. There are multiple connecting posts which are fixedly installed on the fixed frame, and the rotating shaft is fixedly installed in the middle of the fixed frame.
[0013] (III) Beneficial effects
[0014] After adopting the above technical solution, compared with the prior art, the utility model has the following advantages:
[0015] 1. When the nail teeth need to be replaced, first insert the nail head into the nail groove, rotate the fixed rod so that the first limiting block is inserted into the first limiting groove, then rotate the fixed rod and continue to insert it, so that the first limiting block enters the second limiting groove while the second limiting block enters the first limiting groove, continue to rotate and insert it so that the first limiting block enters the third limiting groove. At this time, the second limiting block enters the second limiting groove, the third limiting block is outside the first limiting groove, and at the same time the limiting post is outside the clamping groove. Continue to insert the nail teeth so that the third limiting block is inserted into the first limiting groove and the limiting post is inserted into the clamping groove to complete the replacement;
[0016] 2. Through three limiting grooves and limiting blocks with different positions, the nail teeth can be more stable in the nail groove, and when the harvesting cylinder rotates, the nail teeth will not fall off. Description of the drawings
[0017] Figure 1 It is a schematic diagram of the nail tooth structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the utility model.
[0019] Description of the reference numerals:
[0020] 1. Connecting post; 11. Nail groove; 111. First limiting groove; 112. Second limiting groove; 113. Third limiting groove; 12. Clamping groove; 2. Nail tooth; 21. Nail head; 22. Connecting rod; 23. Fixed rod; 24. First limiting block; 25. Second limiting block; 26. Third limiting block; 27. Baffle; 28. Limiting post; 3. Fixed frame; 4. Rotating shaft. Specific embodiments
[0021] The following further elaborates on the utility model through the drawings and embodiments.
[0022] As Figure 1-2 shown: A high-speed harvesting cylinder of a harvester includes a connecting post 1 and a nail tooth 2. A number of nail grooves 11 are equidistantly formed on the connecting post 1, and the nail tooth 2 is slidably clamped in the nail groove 11.
[0023] The spike teeth 2 sequentially include a spike head 21, a connecting rod 22, and a fixing rod 23 from top to bottom.
[0024] A baffle 27 is fixedly installed at the bottom of the fixing rod 23, a limiting post 28 is installed on the baffle 27, a clamping groove 12 is formed on the connecting post 1 on one side of the spike groove 11, and the limiting post 28 is clamped with the clamping groove 12.
[0025] It further includes a fixing frame 3 and a rotating shaft 4. There are multiple connecting posts 1 and they are fixedly installed on the fixing frame 3, and the rotating shaft 4 is fixedly installed in the middle of the fixing frame 3.
[0026] Reference Figure 1 , a first limiting groove 111, a second limiting groove 112, and a third limiting groove 113 are sequentially formed in the spike groove 11 from bottom to top, and a first limiting block 24, a second limiting block 25, and a third limiting block 26 are sequentially and fixedly installed on the fixing rod 23 from top to bottom.
[0027] The second limiting groove 112 is located above the first limiting groove 111 and is arranged at 120° with the first limiting groove 111. The third limiting groove 113 is located above the second limiting groove 112 and is arranged at 120° with the second limiting groove 112 and the first limiting groove 111.
[0028] The second limiting block 25 is located below the first limiting block 24 and is arranged at 120° with the first limiting block 24. The third limiting block 26 is located below the second limiting block 25 and is arranged at 120° with the second limiting block 25 and the first limiting block 24.
[0029] When the spike teeth 2 need to be replaced, first insert the spike head 21 into the spike groove 11, rotate the fixing rod 23 to insert the first limiting block 24 into the first limiting groove 111, then rotate the fixing rod 23 and continue to insert it, so that the first limiting block 24 enters the second limiting groove 112 while the second limiting block 25 enters the first limiting groove 111. Continue to rotate and insert it so that the first limiting block 24 enters the third limiting groove 113. At this time, the second limiting block 25 enters the second limiting groove 112, the third limiting block 26 is located outside the first limiting groove 111, and at the same time, the limiting post 28 is located outside the clamping groove 12. Continue to insert the spike teeth 2 so that the third limiting block 26 is inserted into the first limiting groove 111 and the limiting post 28 is inserted into the clamping groove 12 to complete the replacement.
[0030] Through the above steps and the limiting grooves and limiting blocks with different positions, the spike teeth 2 can be more stable in the spike groove 11, and when the harvesting cylinder rotates, the spike teeth 2 will not fall off.
[0031] As described above based on the embodiments, through the above description, relevant staff can completely make various changes and modifications without departing from the idea of this invention. The technical scope of this utility model is not limited to the content in the specification, and its protection scope must be determined according to the scope of the claims.
Claims
1. A high-speed harvesting drum for a harvester, characterized in that: It includes a connecting column (1) and spike teeth (2). A number of nail grooves (11) are equidistantly formed on the connecting column (1), and the spike teeth (2) are slidably clamped in the nail grooves (11). The spike teeth (2) sequentially include a nail head (21), a connecting rod (22) and a fixing rod (23) from top to bottom. A first limiting groove (111) is formed in the nail groove (11), and a first limiting block (24) is fixedly installed on the fixing rod (23). When the nail head (21) is inserted through the nail groove (11), the first limiting block (24) is clamped with the first limiting groove (111).
2. The high-speed harvesting drum of a harvester according to claim 1, characterized in that: A second limiting groove (112) is further formed in the nail groove (11). The second limiting groove (112) is located above the first limiting groove (111) and is arranged at 120° with the first limiting groove (111). A second limiting block (25) is fixedly installed on the fixing rod (23). The second limiting block (25) is located below the first limiting block (24) and is arranged at 120° with the first limiting block (24).
3. The high-speed harvesting drum of a harvester according to claim 2, characterized in that: A third limiting groove (113) is further formed in the nail groove (11). The third limiting groove (113) is located above the second limiting groove (112) and is arranged at 120° with the second limiting groove (112) and the first limiting groove (111). A third limiting block (26) is fixedly installed on the fixing rod (23). The third limiting block (26) is located below the second limiting block (25) and is arranged at 120° with the second limiting block (25) and the first limiting block (24).
4. The high-speed harvesting drum of a harvester according to claim 3, wherein: A baffle (27) is fixedly installed at the bottom of the fixing rod (23). A limiting column (28) is installed on the baffle (27). A clamping groove (12) is formed on the connecting column (1) on one side of the nail groove (11), and the limiting column (28) is clamped with the clamping groove (12).
5. A high-speed harvesting drum of a harvester according to claim 1, characterized in that: It further includes a fixing frame (3) and a rotating shaft (4). There are multiple connecting columns (1) which are fixedly installed on the fixing frame (3), and the rotating shaft (4) is fixedly installed in the middle of the fixing frame (3).