Picking and righting device for lodging plants of rice semi-feeding type harvester
By designing a detachable supporting tooth structure and a locking and limiting mechanism, the problem of handling lodged plants in traditional harvesters has been solved, enabling convenient maintenance and efficient harvesting, and reducing maintenance costs and grain loss.
Patent Information
- Application Number
- CN202520640924.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
When traditional harvesters encounter lodged plants, the lifting components are easily damaged, making maintenance complex and costly, and making it difficult to efficiently handle lodged plants, thus affecting harvesting efficiency and grain loss.
A device for picking up and straightening lodged rice plants in a semi-feeding rice harvester was designed. It adopts a detachable plant straightening tooth structure and is fixed by a combination of slots and pressure caps, which enables convenient installation and replacement of the plant straightening teeth. Combined with locking and limiting mechanisms, it improves stability and ease of maintenance.
It enables convenient installation and disassembly of the grain-supporting teeth, reduces maintenance costs, increases the service life of the device and harvesting efficiency, and reduces grain loss.
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Figure CN223943273U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of harvester especially relates to a rice semi -feeding type harvester down plant picking righting device. BACKGROUND
[0002] As one of the global main food crops, the efficient and high-quality harvesting of rice is crucial to ensure food security. With the continuous improvement of agricultural mechanization level, various types of harvesters have been widely used in agricultural production. However, when facing the rice field with serious lodging, the traditional harvesting machinery often faces great challenges.
[0003] Lodging refers to the phenomenon that part or all of the rice plants are tilted on the ground due to natural factors (such as wind, rain) or improper cultivation management. Lodging not only affects the photosynthesis and material accumulation of rice, reduces yield, but also increases the difficulty and cost of harvesting. Especially for semi-feeding type harvesters, the lodged plants are difficult to be effectively collected and processed, which greatly reduces the harvesting efficiency and may lead to a higher loss rate.
[0004] The utility model discloses a kind of downers for semi-feeding harvester, including transmission assembly, the transmission assembly is connected with support component, the support component includes split board, grass guide rod, upper shell, lower shell, chain, prong, guide plate and connecting plate, the grass guide rod is fixed on split board, the upper shell is fixed together with lower shell, and is fixedly connected with split board, the chain is connected with transmission assembly, the prong is connected on chain, the guide plate is fixed in lower shell middle, the connecting plate one end connects upper shell, the other end connects lower shell, can be before crop enters semi-feeding cutting platform, pre-arranging righting and straightening to the lodged crop to be harvested, so that crop enters cutting platform before being in upright and regular state, effectively reduce cutting platform load, improve harvesting efficiency, reduce grain loss.
[0005] In the above technical scheme, the device lifts the lodged straw by split board, then moves upwards along the grass guide rod and transports the straw to the feeding port by the support component, but the split board and the grass guide rod and other components are integrally welded together and fixed on the harvesting frame by bolts. Since the prong at the front end of the split board needs to be inserted below the lodged straw, it is relatively low from the ground, and it often comes into contact with hard objects such as stones in the ground during the travel of the harvester, which is very easy to be damaged. Moreover, since the whole is welded, it is not easy to replace the prong at the front end after being damaged, making the overall maintenance more complex and tedious. UTILITY MODEL CONTENTS
[0006] Therefore, the utility model provides a kind of rice semi-feeding type harvester down plant pickup righting device, it is convenient to dismount and operate, it is convenient to replace toothed plate alone, reduce maintenance cost.
[0007] The technical scheme of the utility model is as follows: the utility model provides a kind of rice semi-feeding type harvester down plant pickup righting device, including supporting device, straw divider, locking mechanism and limiting mechanism, wherein,
[0008] The supporting device is fixedly arranged on the harvesting frame of the harvester;
[0009] The straw divider includes a mounting seat, a mounting bracket, a supporting tooth and a gland, the mounting seat is fixedly arranged on the harvesting frame of the harvester, the mounting bracket is fixedly arranged on the top side of the mounting seat, and the supporting device and the mounting bracket abut each other; a slot is formed in the mounting seat, and the supporting tooth is slidably arranged in the slot; the gland abuts on the mounting seat, and the gland abuts on the supporting tooth;
[0010] The locking mechanism is rotatably arranged on the mounting bracket, and the locking mechanism abuts on the top side of the gland;
[0011] The limiting mechanism is arranged on the mounting bracket, and the limiting mechanism abuts on the bottom side of the locking mechanism.
[0012] Further preferably, the supporting tooth includes a toothed plate, a first abutting rod and a second abutting rod, the first abutting rod and the second abutting rod are fixedly arranged on the toothed plate; a first abutting slot is formed in the top side of the mounting seat, and the first abutting rod is slidably connected with the first abutting slot.
[0013] Further preferably, the gland includes a cover body, the cover body is obliquely arranged on the top side of the supporting tooth; a second abutting slot is formed in the bottom side of the cover body, and the second abutting rod abuts in the second abutting slot.
[0014] On the basis of the above technical scheme, preferably, the gland further includes a third abutting rod, the third abutting rod is fixedly arranged in the cover body; a third abutting slot is formed in the top side of the mounting seat, and the third abutting rod abuts in the third abutting slot.
[0015] Further preferably, the locking mechanism includes a guide rod and a pressing rod, the guide rod is rotatably arranged on the mounting bracket; the pressing rod is fixedly arranged on the guide rod, and the pressing rod abuts on the gland.
[0016] Further preferably, a fourth abutting slot is formed in the top side of the gland, and the pressing rod abuts in the fourth abutting slot.
[0017] Preferably, the fourth abutting groove is located between the second abutting groove and the second abutting rod.
[0018] More preferably, the limiting mechanism comprises a supporting rod, a baffle and a limiting pin, the supporting rod is arranged through the mounting bracket, and the supporting rod is located at the bottom side of the guide rod; the baffle is sleeved on the supporting rod; and the limiting pin is inserted on the supporting rod.
[0019] More preferably, a limiting groove is formed at the top side of the supporting rod, and the guide rod abuts against the limiting groove.
[0020] More preferably, the first abutting groove and the third abutting groove are both arranged obliquely at the top side of the mounting seat, and the first abutting groove and the third abutting groove are arranged in parallel.
[0021] The rice semi-feeding type harvester lodging plant picking and righting device has the following beneficial effects compared with the prior art:
[0022] (1) The insertion groove is formed on the mounting seat, the tooth plate is installed in the insertion groove, and the tooth plate is fixed by clamping through the gland, so that the installation and disassembly of the supporting tooth are facilitated, no dismounting tool is needed, operation is facilitated, the supporting tooth can be replaced individually, maintenance cost is reduced, the abutting groove on the mounting seat plays a positioning role in the installation of the supporting tooth, plays a supporting role on the supporting tooth, and prevents the supporting tooth from moving in the insertion groove;
[0023] (2) The abutting rod and the abutting groove are arranged on the gland, the installation of the gland is positioned, the gland is limited, and the firmness and stability of the tooth plate during fixing are improved, the gland is pressed tightly by the pressing rod, the movement of the gland is prevented, the installation and disassembly of the gland are facilitated, and operation is facilitated;
[0024] (3) The supporting rod is arranged on the mounting bracket, the guide rod is supported, the supporting effect of the guide rod is improved, the limiting groove arranged on the supporting rod can prevent the supporting rod from loosening, and the sliding and falling of the supporting rod are prevented. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.
[0026] Figure 1 It is a perspective view of the rice semi-feeding type harvester lodging plant picking and righting device.
[0027] Figure 2 This is a perspective view of the divider in a rice semi-feeding harvester's lodged plant picking and straightening device according to the present invention.
[0028] Figure 3 This is an exploded view of the pressure cover in a rice semi-feeding harvester's lodged plant picking and straightening device according to this utility model.
[0029] Figure 4 This is an exploded view of the mounting base in a rice semi-feeding harvester's device for picking up and straightening lodged plants according to this utility model.
[0030] Figure 5 This is a perspective view of the limiting mechanism in a rice semi-feeding harvester's lodged plant picking and straightening device according to this utility model.
[0031] The components are: 1. Rice-lifting device; 2. Rice divider; 21. Mounting base; 201. Slot; 202. First abutment groove; 203. Second abutment groove; 204. Third abutment groove; 205. Fourth abutment groove; 22. Mounting bracket; 23. Rice-lifting tooth; 231. Tooth plate; 232. First abutment rod; 233. Second abutment rod; 24. Pressure cap; 241. Cover body; 242. Third abutment rod; 3. Locking mechanism; 31. Guide rod; 32. Pressure rod; 4. Limiting mechanism; 41. Support rod; 401. Limiting groove; 42. Baffle plate; 43. Limiting pin. Detailed Implementation
[0032] The technical solutions of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0033] like Figures 1-5 As shown, this utility model discloses a device for picking up and straightening lodged rice plants in a semi-feeding rice harvester, which includes a straightening device 1, a separating device 2, a locking mechanism 3, and a limiting mechanism 4.
[0034] The stalk straightening device 1 is fixedly installed on the harvesting frame of the harvester. Through the internal chain, the evenly distributed stalk straightening teeth on the chain move upward continuously, thereby straightening the stalks of the plant so that the plant can enter the harvester's cutting platform normally.
[0035] The divider 2 is used for straightening and gathering the straw of the plants, so as to facilitate the subsequent harvesting operation. The divider 2 comprises a mounting seat 21, a mounting bracket 22, a straw straightening tooth 23 and a pressing cover 24. The mounting seat 21 is fixedly arranged on the harvesting frame of the harvester. The mounting bracket 22 is fixedly arranged on the top side of the mounting seat 21 and abuts against the straw straightening device 1, thereby supporting and fixing the bottom of the straw straightening device 1, preventing the straw straightening device 1 from loosening and falling off. The straw straightening tooth 23 comprises a tooth plate 231, a first abutting rod 232 and a second abutting rod 233. The first abutting rod 232 and the second abutting rod 233 are both fixedly arranged on the tooth plate 231. The mounting seat 21 is provided with a slot 201. Both ends and the top side of the slot 201 penetrate through the mounting seat 21. The tooth plate 231 is slidingly arranged in the slot 201 and penetrates through the front end of the slot 201 and exposes outside the slot 201, without the need of bolt fastening, facilitating the installation and dismounting of the straw straightening tooth 23 and the maintenance operation without the aid of dismounting tools. The bottom side of the tooth plate 231 abuts against the bottom wall of the slot 201, so that the straw straightening tooth 23 and the mounting seat 21 keep in a straight line, preventing the straw straightening tooth 23 from being inclined and shaking in the slot 201. The top side of the mounting seat 21 is provided with a first abutting groove 202. The first abutting rod 232 is slidingly connected with the first abutting groove 202. The connection of the first abutting rod 232 and the first abutting groove 202 plays a positioning role in the installation of the straw straightening tooth 23. The first abutting groove 202 is obliquely arranged on the top side of the mounting seat 21. The distance between the first abutting groove 202 and the front end face of the mounting seat 21 gradually increases from top to bottom, thereby supporting the straw straightening tooth 23 and preventing the straw straightening tooth 23 from moving in the slot 201.
[0036] The pressing cover 24 abuts against the mounting seat 21 and abuts against the straw straightening tooth 23. The straw straightening tooth 23 is tightly fixed by the pressing cover 24, preventing the straw straightening tooth 23 from moving upward and falling off. The pressing cover 24 comprises a cover body 241. The cover body 241 is obliquely arranged on the top side of the straw straightening tooth 23, thereby guiding the straw to move to the guide rod 31. The bottom side of the cover body 241 is provided with a second abutting groove 203. The second abutting rod 233 abuts in the second abutting groove 203, further tightly pressing the front end of the straw straightening tooth 23. The pressing cover 24 further comprises a third abutting rod 242, which is fixedly arranged in the cover body 241. The top side of the mounting seat 21 is provided with a third abutting groove 204. The third abutting rod 242 abuts in the third abutting groove 204, thereby positioning the installation of the pressing cover 24 and limiting the pressing cover 24, so that the pressing cover 24 can only move upward, preventing the pressing cover 24 from loosening.
[0037] The locking mechanism 3 is used for pressing the gland 24 and preventing the gland 24 from moving, and the locking mechanism 3 comprises a guide rod 31 and a pressing rod 32, the guide rod 31 is rotationally arranged on the mounting bracket 22, the guide rod 31 realizes lifting and falling of the pressing rod 32 through rotation; the pressing rod 32 is fixedly arranged on the guide rod 31, and the top side of the gland 24 is provided with a fourth abutting groove 205; the pressing rod 32 abuts in the fourth abutting groove 205 after falling, and the fourth abutting groove 205 is located between the second abutting groove 203 and the second abutting rod 233, so as to press and fix the gland 24, prevent the gland 24 from falling off, and fix the gland 24 through the pressing and fixing mode, facilitate installation and dismounting of the gland 24, and facilitate operation.
[0038] The limiting mechanism 4 is used for fixing the locking mechanism 3 and preventing the locking mechanism 3 from loosening, and the limiting mechanism 4 comprises a supporting rod 41, a baffle 42 and a limiting pin 43, the supporting rod 41 is arranged on the mounting bracket 22 in a penetrating mode, and the supporting rod 41 is located at the bottom side of the guide rod 31, so as to support the guide rod 31 and prevent the guide rod 31 from rotating downwards, thereby always pressing the gland 24 by the pressing rod 32 and preventing the gland 24 from loosening; the baffle 42 is sleeved on the supporting rod 41, the limiting pin 43 is inserted on the supporting rod 41, the limiting pin 43 limits the baffle 42 and prevents the baffle 42 from falling off, and the two ends of the guide rod 31 are located between the baffle and the baffle 42 at one end of the supporting rod 41, so as to prevent the supporting rod 41 from falling off from the mounting bracket 22.
[0039] In order to further improve the loosening effect of the supporting rod 41, as shown in the drawings, Figure 5 the top side of the supporting rod 41 is provided with a limiting groove 401, and the guide rod 31 abuts in the limiting groove 401; the guide rod 31 and the limiting groove 401 are connected through clamping, so as to limit the supporting rod 41 and prevent the supporting rod 41 from sliding and falling off.
[0040] The use method of the rice semi-feeding type harvester lodging plant picking and righting device is as follows:
[0041] The tooth plate 231 of the lifting tooth 23 is inserted below the straw of the fallen plant, the straw is lifted up by the forward movement of the harvester, and the straw is lifted and straightened by the lifting tooth on the lifting device 1, so that the plant can enter the header of the harvester normally. When the lifting tooth 23 needs to be replaced, first, the limiting pin 43 is removed, the blocking piece 42 is removed, then the guide rod 31 is pulled upward, the guide rod 31 is separated from the limiting groove 401 on the supporting rod 41, the supporting rod 41 is pulled out from one side of the mounting bracket 22, after the guide rod 31 loses support, the guide rod 31 is pressed downward, the pressing rod 32 is lifted upward, so as to be separated from the fourth resisting groove 205, after the pressing cap 24 loses the pressing force, the pressing cap 24 is lifted upward, the lifting tooth 23 is taken out and replaced, after the new lifting tooth 23 is replaced, the pressing cap 24 is covered on the mounting seat 21 again, and the lifting tooth 23 is pressed, the guide rod 31 is pulled upward, the pressing rod 32 is lowered, and the pressing cap 24 is pressed tightly, then the supporting rod 41 is inserted into the mounting bracket 22, the blocking piece 42 and the limiting pin 43 are installed.
[0042] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A semi-feeding rice harvester downed plant pickup righting device characterized by: Including the supporting device (1), the grain divider (2), the locking mechanism (3) and the limiting mechanism (4), wherein, The supporting device (1) is fixedly arranged on the harvesting frame of the harvester; The grain divider (2) includes a mounting seat (21), a mounting bracket (22), a supporting tooth (23) and a gland (24), the mounting seat (21) is fixedly arranged on the harvesting frame of the harvester, the mounting bracket (22) is fixedly arranged on the top side of the mounting seat (21), and the supporting device (1) abuts against the mounting bracket (22); The mounting seat (21) is provided with a slot (201), and the supporting tooth (23) is slidably arranged in the slot (201); The gland (24) abuts against the mounting seat (21), and the gland (24) abuts against the supporting tooth (23); The locking mechanism (3) is rotatably arranged on the mounting bracket (22), and the locking mechanism (3) abuts against the top side of the gland (24); The limiting mechanism (4) is arranged on the mounting bracket (22), and the limiting mechanism (4) abuts against the bottom side of the locking mechanism (3).
2. A standing rice plant pickup and righting device for a semi-precision harvester as defined in claim 1 wherein: The supporting tooth (23) includes a tooth plate (231), a first abutting rod (232) and a second abutting rod (233), the first abutting rod (232) and the second abutting rod (233) are fixedly arranged on the tooth plate (231); The top side of the mounting seat (21) is provided with a first abutting groove (202), and the first abutting rod (232) is slidably connected with the first abutting groove (202).
3. A standing rice plant pickup and righting device for a semi-precision harvester as defined in claim 2 wherein: The gland (24) includes a cover body (241), which is arranged on the top side of the supporting tooth (23); The bottom side of the cover body (241) is provided with a second abutting groove (203), and the second abutting rod (233) abuts in the second abutting groove (203).
4. A standing rice plant pickup and righting device for a semi-precision harvester as claimed in claim 3 wherein: The gland (24) further includes a third abutting rod (242), which is fixedly arranged in the cover body (241); The top side of the mounting seat (21) is provided with a third abutting groove (204), and the third abutting rod (242) abuts in the third abutting groove (204).
5. A standing rice plant pickup and righting device for a semi-enclosed rice harvester as defined in claim 3 wherein: The locking mechanism (3) includes a guide rod (31) and a pressing rod (32), the guide rod (31) is rotatably arranged on the mounting bracket (22); The pressing rod (32) is fixedly arranged on the guide rod (31), and the pressing rod (32) abuts against the gland (24).
6. A standing rice plant pickup and righting device for a semi-precision harvester as claimed in claim 5 wherein: The top side of the gland (24) is provided with a fourth abutting groove (205), and the pressing rod (32) abuts in the fourth abutting groove (205).
7. A semi-paddy harvester downed plant pickup and righting device according to claim 6 wherein: The fourth abutting groove (205) is located between the second abutting groove (203) and the second abutting rod (233).
8. A semi-pulling type rice plant pickup and standing device for a rice harvester according to claim 5, characterized in that: The limiting mechanism (4) comprises a supporting rod (41), a baffle (42) and a limiting pin (43), the supporting rod (41) is arranged through the mounting bracket (22), and the supporting rod (41) is located at the bottom side of the guide rod (31); the baffle (42) is sleeved on the supporting rod (41); and the limiting pin (43) is inserted on the supporting rod (41).
9. A semi-paddy harvester downed plant pickup and righting device according to claim 8 wherein: The top side of the supporting rod (41) is provided with a limiting groove (401), and the guide rod (31) abuts against the limiting groove (401).
10. A semi-pulling type rice plant pickup and standing device for a rice harvester according to claim 4, characterized in that: The first resisting groove (202) and the third resisting groove (204) are both arranged obliquely on the top side of the mounting seat (21), and the first resisting groove (202) and the third resisting groove (204) are arranged in parallel.
Citation Information
Patent Citations
Lodging device for semi-feeding harvester
CN212232212U