Up-down lifting cutter mechanism
The reciprocating screw system driven by a motor enables precise adjustment of the cutter height, solving the problem that traditional cutter mechanisms are difficult to adapt to different crop heights, thus improving the harvester's working efficiency and adaptability.
Patent Information
- Application Number
- CN202423179807.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Traditional cutting mechanisms have difficulty adjusting their height quickly and accurately to adapt to crops of different heights, resulting in poor harvesting results and frequent downtime for adjustments affecting work efficiency.
The reciprocating screw system driven by an electric motor drives the cutter to move vertically up and down through the threaded block and connecting arm, and achieves precise height adjustment in conjunction with the harvester cab controller.
It enables precise adjustment of the cutter height, improves harvesting quality and efficiency, reduces downtime, and enhances adaptability in complex farmland environments.
Smart Images
Figure CN223568148U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of harvester technology, specifically a vertical lifting and lowering cutting mechanism. Background Technology
[0002] In mechanized agricultural production, harvesters are one of the most important pieces of agricultural equipment. As the demands of agricultural production continue to increase, the performance requirements for harvesters are also becoming more stringent.
[0003] In different farmland environments, crop height can vary significantly. For example, even within the same field, crop growth can be uneven due to factors such as soil fertility and moisture distribution. Traditional cutting mechanisms often struggle to quickly and accurately adjust the cutter height to accommodate crops of varying heights. This can lead to poor harvesting results, such as cutting the stubble too high or too low, negatively impacting subsequent farmland operations and crop regrowth.
[0004] Traditional harvester mechanisms typically require manual adjustments by stopping the machine, which is not only time-consuming but also reduces the harvester's efficiency. In large-scale agricultural production, time equals output, and frequent downtime for adjustments can severely impact the progress of agricultural production.
[0005] Therefore, those skilled in the art have provided a vertical lifting and lowering cutting mechanism to solve the problems mentioned in the background art. Utility Model Content
[0006] The purpose of this invention is to provide a vertical lifting cutter mechanism to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a vertical lifting cutter mechanism, including a harvesting platform. A first motor is fixedly installed on the left end face of the harvesting platform near the front end. A first reciprocating screw is fixedly connected to the output end of the first motor. A base is rotatably connected to the lower end of the first reciprocating screw. The base is fixedly connected to the left end face of the harvesting platform. A second motor is fixedly installed on the right end face of the harvesting platform near the front end. A second reciprocating screw is fixedly connected to the output end of the second motor. A base is rotatably connected to the lower end of the second reciprocating screw. The base is fixedly connected to the right end face of the harvesting platform. Both the first motor and the second motor are electrically connected to a controller in the cab of an external harvester.
[0008] As a further embodiment of this utility model: a fixing plate is provided at the front end of the harvesting platform, and a cutter is detachably installed at the front end of the fixing plate by bolts.
[0009] As a further scheme of the utility model: the upper end surface of the fixed plate is fixedly connected with a stand one at the position close to the left side, and the upper end surface of the fixed plate is fixedly connected with a stand two at the position close to the right side.
[0010] As a further scheme of the utility model: the outer wall of the reciprocating screw rod one is threadedly connected with a threaded block one, the outer wall of the threaded block one is fixedly connected with a connecting arm one, and the other end of the connecting arm one is fixedly connected with the stand one.
[0011] As a further scheme of the utility model: the outer wall of the reciprocating screw rod two is threadedly connected with a threaded block two, the outer wall of the threaded block two is fixedly connected with a connecting arm two, and the other end of the connecting arm two is fixedly connected with the stand two.
[0012] As a further scheme of the utility model: the rear end of the harvesting table is provided with a conveying port of the conveying chute at the position close to the right side.
[0013] As a further scheme of the utility model: the inner bottom of the harvesting table is rotatably installed with an auger, and the outer wall of the auger is fixedly installed with a harrow tine close to the conveying port.
[0014] As a further scheme of the utility model: the front end of the harvesting table is fixedly connected with a left side grain divider and a right side grain divider respectively at the positions close to the left side and the right side.
[0015] Compared with the prior art, the utility model has the advantages of:
[0016] High precision adjustment: the reciprocating screw rod one and the reciprocating screw rod two are driven to rotate by the motor one and the motor two respectively, the threaded block one and the threaded block two are moved up and down, the height of the cutter is accurately controlled, the vertical movement mode can be fine-tuned according to different height crops, the stubble height is ensured to be appropriate, and the harvesting quality is improved; improve work efficiency: without stopping for manual adjustment of the cutter height, the controller in the harvester cab can be adjusted quickly according to the height of crops and the change of terrain at any time, the downtime is greatly reduced, and the working efficiency of the harvester is improved; enhance adaptability: in the complex terrain of farmland, the up and down vertical movement of the cutter can adjust the height in time according to the relief of the terrain, ensures that the harvester can stably carry out harvesting operation, and the up and down vertically movable cutter can better adapt to different types of crops and complex farmland environment, whether it is high-stalk crops or low-stalk crops, the height of the cutter can be adjusted to realize the best harvesting effect. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a whole structure schematic view of up and down lifting cutter mechanism.
[0018] Fig. 2 It is a schematic view of the structure of motor two and reciprocating screw rod two in the up and down lifting cutter mechanism.
[0019] Fig. 3 It is a top view of the up and down lifting cutter mechanism.
[0020] In the figure: 1, harvesting table; 2, motor one; 3, threaded block one; 4, reciprocating screw rod one; 5, base one; 6, connecting arm one; 7, stand one; 8, fixed plate; 9, cutter; 10, motor two; 11, threaded block two; 12, reciprocating screw rod two; 13, base two; 14, connecting arm two; 15, stand two; 16, auger; 17, harrow tine; 18, conveying port; 19, left side divider; 20, right side divider. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Embodiment 1
[0023] Referring to Figs. 1-3 The embodiment provides an up and down lifting cutter mechanism, which comprises a harvesting table 1, a motor one 2 is fixedly installed at the position close to the front end of the left side end surface of the harvesting table 1, a reciprocating screw rod one 4 is fixedly connected to the output end of the motor one 2, a base one 5 is rotationally connected to the lower end of the reciprocating screw rod one 4, the base one 5 is fixedly connected with the left side end surface of the harvesting table 1, a motor two 10 is fixedly installed at the position close to the front end of the right side end surface of the harvesting table 1, a reciprocating screw rod two 12 is fixedly connected to the output end of the motor two 10, a base two 13 is rotationally connected to the lower end of the reciprocating screw rod two 12, the base two 13 is fixedly connected with the right side end surface of the harvesting table 1, and the motor one 2 and the motor two 10 are electrically connected with a controller in the cab of an external harvester.
[0024] Embodiment 2
[0025] Referring to Figs. 1-3The embodiment is based on the previous embodiment, and differs from the previous embodiment in that the front end of the harvesting table 1 is provided with a fixed plate 8, the front end of the fixed plate 8 is detachably provided with a cutter 9 through bolts, the upper end surface of the fixed plate 8 is fixedly connected with a stand one 7 near the left side, the upper end surface of the fixed plate 8 is fixedly connected with a stand two 15 near the right side, a threaded block one 3 is threadedly connected to the outer wall of the reciprocating screw rod one 4, a connecting arm one 6 is fixedly connected to the outer wall of the threaded block one 3, the other end of the connecting arm one 6 is fixedly connected with the stand one 7, a threaded block two 11 is threadedly connected to the outer wall of the reciprocating screw rod two 12, a connecting arm two 14 is fixedly connected to the outer wall of the threaded block two 11, the other end of the connecting arm two 14 is fixedly connected with the stand two 15, a conveying opening 18 connected with a conveying chute is formed in the rear end of the harvesting table 1 near the right side, an auger 16 is rotatably installed at the inner bottom of the harvesting table 1, rake tines 17 are fixedly installed on the outer wall of the auger 16 near the conveying opening 18, and a left side crop divider 19 and a right side crop divider 20 are fixedly connected to the front end of the harvesting table 1 near the left side and the right side, respectively.
[0026] Working principle: when it is necessary to adjust the height of the cutter 9 during operation, the operator starts the motor one 2 and the motor two 10 at the same time through the controller in the harvester cab, the motor one 2 drives the reciprocating screw rod one 4 to rotate, the motor two 10 drives the reciprocating screw rod two 12 to rotate, the threaded block one 3 on the reciprocating screw rod one 4 and the threaded block two 11 on the reciprocating screw rod two 12 move up and down along the screw rod under the action of the rotation of the screw rod, the threaded block one 3 is connected with the stand one 7 through the connecting arm one 6, the threaded block two 11 is connected with the stand two 15 through the connecting arm two 14, the stand one 7 and the stand two 15 are fixed to the fixed plate 8, the fixed plate 8 is provided with the cutter 9 at the front end, and the cutter 9 moves vertically up and down along with the up and down movement of the threaded block one 3 and the threaded block two 11, after the cutter 9 completes the cutting of crops, the auger 16 at the inner bottom of the harvesting table 1 rotates through a belt pulley under the drive of an external oil pump, the rotation of the auger 16 brings the harvested crops to the position of the conveying opening 18, the rake tines 17 on the outer wall of the auger 16 accurately send the crops into the conveying opening 18 under the drive of the auger 16, so that the crops enter the conveying opening 18 connected with the conveying chute and enter the subsequent conveying and processing links, the left side crop divider 19 and the right side crop divider 20 at the front end of the harvesting table 1 separate the crops during the operation of the harvester, guide the crops into the cutting range of the cutter 9, avoid the confusion and blockage of the crops, and improve the quality and efficiency of the harvesting operation.
[0027] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.
[0028] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.
Claims
1. A vertically lifting cutter mechanism, comprising a harvesting table (1), characterized in that, A motor 1 (2) is fixedly installed on the left end face of the harvester (1) near the front end. A reciprocating screw 1 (4) is fixedly connected to the output end of the motor 1 (2). A base 1 (5) is rotatably connected to the lower end of the reciprocating screw 1 (4). The base 1 (5) is fixedly connected to the left end face of the harvester (1). A motor 2 (10) is fixedly installed on the right end face of the harvester (1) near the front end. A reciprocating screw 2 (12) is fixedly connected to the output end of the motor 2 (10). A base 2 (13) is rotatably connected to the lower end of the reciprocating screw 2 (12). The base 2 (13) is fixedly connected to the right end face of the harvester (1). Both the motor 1 (2) and the motor 2 (10) are electrically connected to the controller in the cab of the harvester.
2. The vertical lifting cutter mechanism according to claim 1, characterized in that, The front end of the harvesting platform (1) is provided with a fixing plate (8), and the front end of the fixing plate (8) is detachably installed with a cutter (9) by bolts.
3. The vertical lifting and lowering cutting mechanism according to claim 2, characterized in that, A first column (7) is fixedly connected to the upper surface of the fixing plate (8) near the left side, and a second column (15) is fixedly connected to the upper surface of the fixing plate (8) near the right side.
4. The vertical lifting and lowering cutting mechanism according to claim 1, characterized in that, A threaded block (3) is threadedly connected to the outer wall of the reciprocating screw (4), and a connecting arm (6) is fixedly connected to the outer wall of the threaded block (3). The other end of the connecting arm (6) is fixedly connected to the column (7).
5. The vertical lifting and lowering cutting mechanism according to claim 1, characterized in that, The reciprocating screw 2 (12) is threaded with a threaded block 2 (11) on its outer wall. The threaded block 2 (11) is fixedly connected with a connecting arm 2 (14) on its outer wall. The other end of the connecting arm 2 (14) is fixedly connected with the column 2 (15).
6. The vertical lifting and lowering cutting mechanism according to claim 1, characterized in that, The harvesting platform (1) has a conveying port (18) connected to the material conveying trough at the rear end near the right side.
7. The vertical lifting and lowering cutting mechanism according to claim 1, characterized in that, The bottom of the harvesting platform (1) is rotatably equipped with an auger (16), and a harrow tooth (17) is fixedly installed on the outer wall of the auger (16) near the conveying port (18).
8. The vertical lifting and lowering cutting mechanism according to claim 1, characterized in that, The front end of the harvesting platform (1) is fixedly connected to the left and right sides, respectively, with the left divider (19) and the right divider (20) connected to the left and right sides.