A type of alfalfa harvesting and hay-raking equipment

Abstract

This utility model relates to the field of agricultural machinery and equipment. Specifically, it is an alfalfa harvesting and hay-raking device, including a protective shell with wheels rotatably connected to the bottom of the shell, and a swing arm rotatably connected to both sides of the protective shell. A material-feeding component is fixedly connected to the side of the swing arm away from the protective shell. The device uses a corrugated sleeve to prevent dust and other impurities from adhering to the screw surface during operation, which could cause the adjusting block to jam. By setting the material-feeding component, when the protrusion rotates to the inner side of the device with the hay-raking disc, the limiting wheel contacts the protrusion. At this time, the limiting wheel will press down on the protrusion, causing the compression spring to be compressed. After being compressed, the protrusion drives the guide rod, the fixing frame, and the top block to move downwards synchronously. When the top block moves downwards, it can push the alfalfa hay stuck between the spring teeth downwards, effectively preventing the alfalfa hay from accumulating and jamming between the spring teeth, and ensuring the smooth operation of hay-raking.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery and equipment technology, specifically to an alfalfa harvesting and hay-raking device. Background Technology

[0002] In agricultural production, alfalfa is a high-quality forage, and the efficiency and quality of its harvesting and raking operations directly affect its subsequent processing and utilization value. Currently, alfalfa harvesting and raking equipment on the market still has many problems in actual operation, making it difficult to meet the needs of efficient and stable operation.

[0003] In the prior art, for example, Chinese patent CN216752803U discloses a hay-raking device, including: a main fixed rod, a fixed frame on the main fixed rod, a driving component fixedly mounted on the top of the fixed frame, the output end of the driving component passing through the fixed frame and having a bidirectional toothed plate, the bidirectional toothed plate being located inside the fixed frame, and transmission gears meshing on both sides of the bidirectional toothed plate, a limiting shaft being provided at the center of the transmission gear, two limiting shafts being rotatably mounted in rotating grooves, two rotating grooves being symmetrically opened on both sides of the bottom of the fixed frame, a second connecting rod being connected to each of the two limiting shafts, a first connecting rod being fixedly connected to the end of each second connecting rod away from the limiting shaft, and a rotating rod being rotatably connected to the upper surface of the rotating rod at the end of each first connecting rod away from the second connecting rod, the two rotating rods being rotatably connected to both sides of the main fixed rod respectively, and a hay-raking component being provided at the end of each rotating rod away from the main fixed rod. The hay-raking device provided in this application enables the adjustment of the hay-raking component according to the terrain, improving hay-raking efficiency and hay-raking quality.

[0004] Although the above-mentioned technical solutions have the above-mentioned technical advantages, their disadvantages are that during field operations, dust, grass clippings and other impurities can easily enter between the adjustment gap and the spring teeth, which not only hinders the smooth progress of grass raking operations, but also increases the risk of adjustment jamming, thereby affecting the normal operation of the equipment and reducing the efficiency of operation. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an alfalfa harvesting and hay-raking device that solves the problem that dust and other impurities can affect the normal operation of the device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an alfalfa harvesting and hay-raking device, comprising a protective shell, with a walking wheel rotatably connected to the bottom of the protective shell, and further comprising: a swing arm, the swing arm being rotatably connected to both sides of the protective shell, a material-feeding component being fixedly connected to the side of the swing arm away from the protective shell, a servo motor being fixedly connected to the outer side of the protective shell, a lead screw being fixedly connected to the output end of the servo motor, an adjusting block being threadedly connected to the outer wall of the lead screw, and movable rods being rotatably connected to both sides of the adjusting block. When the adjusting block moves, the movable rods will push or pull the mounting block accordingly, thereby driving the swing arm to rotate around the protective shell, thereby realizing the adjustment of the overall angle of the material-feeding component;

[0007] The feeding assembly includes a mounting block, a rake disc rotatably connected to the bottom of the mounting block, a spring tooth fixedly connected to the bottom of the rake disc, a guide rod slidably connected to the inner wall of the rake disc, a fixing frame fixedly connected to the bottom of the guide rod, a top block fixedly connected to the bottom of the fixing frame, a protrusion fixedly connected to the top of the guide rod, a compression spring fixedly connected to the bottom of the protrusion, and a limit wheel rotatably connected to the bottom of the mounting block. As the protrusion moves continuously, the limit wheel will press the protrusion downward, causing the compression spring to be compressed. After the protrusion is compressed, it drives the guide rod, the fixing frame, and the top block to move downward synchronously.

[0008] Preferably, the outer walls on both sides of the lead screw are rotatably connected to the inner wall of the protective shell, and the inner wall of the protective shell is slidably connected to the outer wall of the adjusting block. The rotation of the lead screw will cause the adjusting block to move horizontally along the inner wall of the protective shell.

[0009] Preferably, a corrugated sleeve is fixedly connected to the outer side of the adjusting block. The end of the corrugated sleeve away from the adjusting block is fixedly connected to the inner wall of the protective shell. The corrugated sleeve will expand and contract with the movement of the adjusting block, which can prevent dust and other impurities from adhering to the surface of the lead screw during the operation of the equipment, causing the adjusting block to jam, and playing a role in protecting the connection between the lead screw and the adjusting block.

[0010] Preferably, the end of the movable rod away from the adjusting block is rotatably connected to the outer side of the mounting block, the outer side of the mounting block is fixedly connected to the side of the swing arm away from the protective shell, the outer side of the top block is slidably connected to the outer side of the spring teeth, and the bottom end of the compression spring is fixedly connected to the top of the hay rake. When the top block moves downward, it can push the alfalfa hay stuck between the spring teeth downward, effectively preventing the alfalfa hay from accumulating and getting stuck between the spring teeth.

[0011] Preferably, the outer wall of the spring tooth is slidably connected to the inner wall of the fixed frame, and the outer wall of the limiting wheel is in contact with the top of the protrusion. When the protrusion rotates to the inner side of the equipment with the hay rake, the limiting wheel contacts the protrusion.

[0012] The beneficial effects of this utility model are as follows:

[0013] (I) The device adjusts the position of the adjusting block via a lead screw. When the adjusting block moves, the movable rod pushes or pulls the mounting block, thereby causing the swing arm to rotate around the protective shell, thus adjusting the overall angle of the material feeding assembly to adapt to different operational needs. The corrugated sleeve prevents dust and other impurities from adhering to the lead screw surface during operation, which could cause the adjusting block to jam. It protects the connection between the lead screw and the adjusting block, ensuring the normal operation of the equipment.

[0014] (ii) The equipment is equipped with a material feeding component. When the protrusion rotates to the inside of the equipment with the hay rake, the limiting wheel contacts the protrusion. At this time, the limiting wheel will squeeze the protrusion downward, causing the compression spring to be compressed. After the protrusion is squeezed, it drives the guide rod, the fixing frame and the top block to move downward synchronously. When the top block moves downward, it can push the alfalfa hay stuck between the spring teeth downward, effectively avoiding the accumulation and jamming of alfalfa hay between the spring teeth, and ensuring the smooth progress of hay rake operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0017] Figure 3 This is a schematic diagram of the material feeding assembly of this utility model;

[0018] Figure 4 This is a schematic diagram of the top block of this utility model.

[0019] In the diagram: 1. Protective shell; 2. Walking wheel; 3. Servo motor; 4. Lead screw; 5. Swing arm; 6. Material feeding assembly; 7. Adjusting block; 8. Movable rod; 9. Corrugated sleeve; 61. Mounting block; 62. Hay rake; 63. Spring tooth; 64. Guide rod; 65. Fixing frame; 66. Top block; 67. Compression spring; 68. Protrusion; 69. Limiting wheel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Please refer to Figure 1-4This utility model provides a technical solution: an alfalfa harvesting and hay-raking device, including a protective shell 1, with a traveling wheel 2 rotatably connected to the bottom of the protective shell 1, and also including: a swing arm 5, the swing arm 5 being rotatably connected to both sides of the protective shell 1, a material feeding component 6 being fixedly connected to the side of the swing arm 5 away from the protective shell 1, a servo motor 3 being fixedly connected to the outer side of the protective shell 1, a lead screw 4 being fixedly connected to the output end of the servo motor 3, an adjusting block 7 being threadedly connected to the outer wall of the lead screw 4, and movable rods 8 being rotatably connected to both sides of the adjusting block 7; the outer walls of both sides of the lead screw 4 are rotatably connected to the inner wall of the protective shell 1, and the inner wall of the protective shell 1 is slidably connected to the outer wall of the adjusting block 7, and the outer... A corrugated sleeve 9 is fixedly connected to the side. The end of the corrugated sleeve 9 away from the adjusting block 7 is fixedly connected to the inner wall of the protective shell 1. It is connected to an external power device through a traction hook installed on the outside of the protective shell 1. The external power device drives the whole movement. The walking wheels 2 play a supporting and auxiliary role in movement. When the servo motor 3 is started, its output end drives the lead screw 4 to rotate. The rotation of the lead screw 4 will cause the adjusting block 7 to move horizontally along the inner wall of the protective shell 1. When the adjusting block 7 moves, the movable rod 8 will push or pull the mounting block 61, thereby driving the swing arm 5 to rotate around the protective shell 1, thereby realizing the overall angle adjustment of the material feeding assembly 6 to adapt to different operation requirements. Among them, the corrugated sleeve 9 will extend and retract with the movement of the adjusting block 7, which can prevent dust and other impurities from adhering to the surface of the lead screw 4 during the operation of the equipment, causing the adjusting block 7 to jam. It plays a role in protecting the connection between the lead screw 4 and the adjusting block 7, ensuring the normal operation of the equipment.

[0022] The feeding assembly 6 includes a mounting block 61. A rake disc 62 is rotatably connected to the bottom of the mounting block 61. A spring tooth 63 is fixedly connected to the bottom of the rake disc 62. A guide rod 64 is slidably connected to the inner wall of the rake disc 62. A fixing frame 65 is fixedly connected to the bottom end of the guide rod 64. A top block 66 is fixedly connected to the bottom of the fixing frame 65. A protrusion 68 is fixedly connected to the top of the guide rod 64. A compression spring 67 is fixedly connected to the bottom of the protrusion 68. A limit wheel 69 is rotatably connected to the bottom of the mounting block 61. The end of the movable rod 8 away from the adjusting block 7 is rotatably connected to the outer side of the mounting block 61. The outer side of the mounting block 61 is fixedly connected to the side of the swing arm 5 away from the protective shell 1. The outer side of the top block 66 is slidably connected to the outer side of the spring tooth 63. The bottom end of the compression spring 67 is fixedly connected to the top of the rake disc 62. The outer wall of the spring tooth 63 is slidably connected to the inner wall of the fixing frame 65. The outer wall of the limit wheel 69 contacts the top of the protrusion 68. The top of the mounting block 61... With the motor installed, the rake disc 62 rotates under the motor's drive, and the spring teeth 63 fixedly connected to its bottom rotate accordingly, rake the alfalfa. When the protrusion 68 rotates to the inside of the equipment with the rake disc 62, the limiting wheel 69 contacts the protrusion 68. At this time, as the protrusion 68 continues to move, the limiting wheel 69 will press the protrusion 68 downward, causing the compression spring 67 to be compressed. After being compressed, the protrusion 68 drives the guide rod 64, the fixing frame 65, and the top block 66 to move downward synchronously. When the top block 66 moves downward, it can push the alfalfa that is stuck between the spring teeth 63 downward, effectively preventing the alfalfa from accumulating and getting stuck between the spring teeth 63, ensuring the smooth operation of the rake. When the protrusion 68 rotates away from the inside of the equipment with the rake disc 62 and disengages from the limiting wheel 69, the elastic force of the compression spring 67 will push the protrusion 68 to reset, and then drive the top block 66 back to the initial position through the guide rod 64 and the fixing frame 65, so as to start the next cycle.

[0023] Working principle: When the equipment is in operation, it is connected to an external power device through the traction hook installed on the outside of the protective shell 1. The external power device drives the whole body to move, and the walking wheels 2 play a supporting and auxiliary role in movement. In addition, the servo motor 3 can be electrically connected to the battery of the external power device.

[0024] When the servo motor 3 starts, its output drives the lead screw 4 to rotate. The rotation of the lead screw 4 causes the adjusting block 7 to move horizontally along the inner wall of the protective shell 1. When the adjusting block 7 moves, the movable rod 8 pushes or pulls the mounting block 61, thereby driving the swing arm 5 to rotate around the protective shell 1, thus adjusting the overall angle of the material feeding assembly 6 to adapt to different operating requirements. The corrugated sleeve 9 extends and retracts with the movement of the adjusting block 7, preventing dust and other impurities from adhering to the surface of the lead screw 4 during equipment operation, which could cause the adjusting block 7 to jam. This protects the connection between the lead screw 4 and the adjusting block 7, ensuring the normal operation of the equipment.

[0025] During the specific operation of the feeding assembly 6, a motor is installed on the top of the mounting block 61. The hay rake 62 rotates under the drive of the motor, and the spring teeth 63 fixedly connected to its bottom rotate accordingly to rake the alfalfa. When the protrusion 68 rotates to the inside of the equipment with the hay rake 62, the limiting wheel 69 contacts the protrusion 68. At this time, as the protrusion 68 continues to move, the limiting wheel 69 will press the protrusion 68 downward, causing the compression spring 67 to be compressed. After the protrusion 68 is compressed, it drives the guide rod 64, the fixing frame 65 and the top block 66 to move downward synchronously. When the top block 66 moves downward, it can push the alfalfa hay stuck between the spring teeth 63 downward, effectively preventing the alfalfa hay from accumulating and getting stuck between the spring teeth 63, and ensuring the smooth operation of the hay rake.

[0026] When the protrusion 68 rotates away from the inside of the equipment and disengages from the limit wheel 69 as the rake disc 62 rotates, the elastic force of the compression spring 67 will push the protrusion 68 to reset, and then drive the top block 66 back to the initial position through the guide rod 64 and the fixing frame 65, so as to carry the next cycle of operation.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An alfalfa harvesting and hay-raking device, comprising a protective shell (1), wherein the bottom of the protective shell (1) is rotatably connected to a traveling wheel (2), characterized in that, Also includes: A swing arm (5) is rotatably connected to both sides of a protective shell (1). A material feeding assembly (6) is fixedly connected to the side of the swing arm (5) away from the protective shell (1). A servo motor (3) is fixedly connected to the outer side of the protective shell (1). A lead screw (4) is fixedly connected to the output end of the servo motor (3). An adjusting block (7) is threadedly connected to the outer wall of the lead screw (4). Movable rods (8) are rotatably connected to both sides of the adjusting block (7). The feeding assembly (6) includes a mounting block (61), a hay rake (62) is rotatably connected to the bottom of the mounting block (61), a spring tooth (63) is fixedly connected to the bottom of the hay rake (62), a guide rod (64) is slidably connected to the inner wall of the hay rake (62), a fixing frame (65) is fixedly connected to the bottom end of the guide rod (64), a top block (66) is fixedly connected to the bottom of the fixing frame (65), a protrusion (68) is fixedly connected to the top of the guide rod (64), a compression spring (67) is fixedly connected to the bottom of the protrusion (68), and a limit wheel (69) is rotatably connected to the bottom of the mounting block (61).

2. The alfalfa harvesting and hay-raking equipment according to claim 1, characterized in that: The outer walls on both sides of the lead screw (4) are rotatably connected to the inner wall of the protective shell (1), and the inner wall of the protective shell (1) is slidably connected to the outer wall of the adjusting block (7).

3. The alfalfa harvesting and hay-raking equipment according to claim 1, characterized in that: A corrugated sleeve (9) is fixedly connected to the outer side of the adjusting block (7), and the end of the corrugated sleeve (9) away from the adjusting block (7) is fixedly connected to the inner wall of the protective shell (1).

4. The alfalfa harvesting and hay-raking equipment according to claim 1, characterized in that: The end of the movable rod (8) away from the adjusting block (7) is rotatably connected to the outside of the mounting block (61), and the outside of the mounting block (61) is fixedly connected to the side of the swing arm (5) away from the protective shell (1).

5. The alfalfa harvesting and hay-raking equipment according to claim 1, characterized in that: The outer side of the top block (66) is slidably connected to the outer side of the spring tooth (63), and the bottom end of the compression spring (67) is fixedly connected to the top of the hay rake (62).

6. The alfalfa harvesting and hay-raking equipment according to claim 1, characterized in that: The outer wall of the spring tooth (63) is slidably connected to the inner wall of the fixing frame (65), and the outer wall of the limiting wheel (69) is in contact with the top of the protrusion (68).

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