Alfalfa harvester with height adjusting function

Abstract

The alfalfa harvester with the height adjusting function comprises a base, a moving assembly, a sliding mechanism and a transmission assembly, a first motor is fixedly installed on the left side edge of the base, a transparent baffle is fixedly installed on the side edge of the top end of the base, an automatic telescopic rod is arranged in the transparent baffle, and the automatic telescopic rod is fixedly installed on the base. The output end of the automatic telescopic rod is fixedly connected with a handrail, a moving assembly is installed at the bottom of the base, a belt is installed in the moving assembly, a first cutting knife and a cover plate are fixedly installed on the front side of the base, the first cutting knife is located below the cover plate, and a second motor is fixedly installed at the top end of the cover plate. A second cutting knife and a sliding mechanism are arranged at the top end of the first cutting knife, and connecting plates are fixedly connected to the left side and the right side of the first cutting knife. The alfalfa harvester with the height adjusting function is convenient to harvest, high in harvesting efficiency, capable of saving cost, convenient to adjust the height of the handrail and convenient to use by operators.

Description

Technical Field

[0001] The utility model relates to the field of alfalfa harvesters, in particular to an alfalfa harvester with a height adjustment function. Background Art

[0002] Alfalfa has become the best feed for livestock due to its strong drought resistance, fast growth rate, and high nutritional value. Alfalfa is planted on a large scale in the north, but due to the terrain, harvesting cannot be mechanized and can only be done by manpower. This method is extremely inefficient, requires a lot of manpower, and cannot meet people's needs at all. Therefore, it is very necessary to design an alfalfa harvester to replace manpower to complete the harvest.

[0003] Referring to the Chinese patent authorization announcement number CN206461973U, the authorization announcement date is 2017-09-05, which discloses a box body with wheels and handlebars installed on the box body, characterized in that: openings are provided at the front end and the side of the box body, a reciprocating cutter is installed on the front end opening, a belt conveyor is installed in the box body, the discharge end of the belt conveyor is located in the side opening, an engine is installed on the box body, and the engine drives the belt conveyor and the reciprocating cutter to operate through a transmission mechanism. The utility model can replace manpower to complete alfalfa harvesting.

[0004] However, the existing alfalfa harvester is unstable and laborious, and is equipped with a pair of wheels. The operator needs to use a certain amount of external force to stabilize it during operation. The harvesting efficiency is low, and only the alfalfa in front of it can be harvested. Therefore, we propose an alfalfa harvester with a height adjustment function to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an alfalfa harvester with a height adjustment function to solve the problem in the above background technology that the existing alfalfa harvester is unstable and laborious, is equipped with a pair of wheels, requires the operator to use a certain external force to stabilize it during operation, has low harvesting efficiency, and can only harvest alfalfa on its front side.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an alfalfa harvester with a height adjustment function, comprising a base, a moving assembly, a sliding mechanism and a transmission assembly, wherein a first motor is fixedly installed on the left side of the base, a transparent baffle is fixedly installed on the side of the top end of the base, an automatic telescopic rod is arranged inside the transparent baffle, an output end of the automatic telescopic rod is fixedly connected with a handrail, a moving assembly is installed at the bottom of the base, a belt is installed in the moving assembly, a first cutting knife and a cover plate are fixedly installed on the front side of the base, the first cutting knife is located below the cover plate, a second motor is fixedly installed on the top end of the cover plate, a second cutting knife and a sliding mechanism are arranged on the top end of the first cutting knife, the second cutting knife is located on the front side of the sliding mechanism, connecting plates are fixedly connected on the left and right sides of the first cutting knife, a third cutting knife is installed in the connecting plate, and a transmission assembly is connected to the third cutting knife.

[0007] Preferably, the moving assembly includes wheels and a connecting shaft, the wheels are fixedly mounted on both sides of the connecting shaft, the connecting shaft is rotatably connected in the base, a belt is provided on the outside of the connecting shaft, and a first motor is connected to the outside of the wheel.

[0008] Preferably, the sliding mechanism comprises a gear, a first bearing and a toothed plate, the first bearing is rotatably connected to the top end of the first cutting knife, a gear is fixedly mounted on the outer side of the first bearing, and a cover plate is rotatably connected to the top end of the first bearing.

[0009] Preferably, a tooth plate is meshingly connected to the front side of the gear, and a second cutting knife is fixedly connected to the non-tooth end of the tooth plate.

[0010] Preferably, the third cutting knife includes a disc knife and a second bearing, the second bearing is rotatably connected in the connecting plate, and the disc knife is fixedly mounted on the outer side of the second bearing.

[0011] Preferably, the transmission assembly includes a conveyor belt, a first roller and a second roller, the first roller is fixedly mounted on the outside of the second bearing, the second roller is fixedly mounted on the outside of the first bearing, and a conveyor belt is arranged on the outside of the first roller and the second roller.

[0012] Compared with the prior art, the utility model has the beneficial effects that the alfalfa harvester with height adjustment function is convenient for harvesting, has high harvesting efficiency, saves costs, is easy to adjust the height of the handrail, and is convenient for operators to use.

[0013] 1. A sliding mechanism, a second cutting knife and a second motor are provided, the first bearing is rotatably connected to the top of the first cutting knife, the tooth plate is slidably connected to the top of the first cutting knife, the gear and the tooth plate are meshed and connected, the second motor drives the gear to rotate, thereby driving the second cutting knife to move left and right, so as to harvest alfalfa, making it easy to harvest alfalfa;

[0014] 2. A transmission assembly and a third cutter are provided, and the third cutter is connected to the left and right sides of the first cutter through a connecting plate, so as to harvest the alfalfa on both sides thereof, thereby improving its harvesting efficiency; a first roller is fixedly installed on the outer side of the first bearing, a second roller is fixedly installed on the top and the outer side of the bottom of the second bearing close to the first cutter, a first roller is fixedly installed on the bottom of the second bearing far from the first cutter, and a conveyor belt is provided on the outer sides of the first roller and the second roller, so that the third cutter can harvest, thereby saving costs;

[0015] 3. An automatic telescopic rod and a handrail are provided. The automatic telescopic rod is fixedly installed on the left and right sides of the top of the base, and the handrail is fixedly installed on the output end of the automatic telescopic rod. The automatic telescopic rod drives the handrail to rise and fall, so as to facilitate the adjustment of the height of the handrail and facilitate the use of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the utility model in a top view and cutaway structure;

[0017] Figure 2 It is a side view cutaway structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 4 It is a side structural schematic diagram of the utility model.

[0020] In the figure: 1. base; 2. moving component; 201. wheel; 202. connecting shaft; 3. transparent baffle; 4. first motor; 5. first cutting knife; 6. sliding mechanism; 601. gear; 602. first bearing; 603. tooth plate; 7. second cutting knife; 8. third cutting knife; 801. disc knife; 802. second bearing; 9. transmission component; 901. conveyor belt; 902. first roller; 903. second roller; 10. cover plate; 11. support rod; 12. automatic telescopic rod; 13. second motor; 14. connecting plate; 15. belt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: an alfalfa harvester with height adjustment function, comprising a base 1, a moving component 2, a wheel 201, a connecting shaft 202, a transparent baffle 3, a first motor 4, a first cutting knife 5, a sliding mechanism 6, a gear 601, a first bearing 602, a tooth plate 603, a second cutting knife 7, a third cutting knife 8, a disc knife 801, a second bearing 802, a transmission component 9, a conveyor belt 901, a first roller 902, a second roller 903, a cover plate 10, a support rod 11, an automatic telescopic rod 12, a second motor 13, a connecting plate 14 and a belt 15;

[0023] The alfalfa harvester with height adjustment function is provided with a moving component 2, a first motor 4 and a belt 15, the moving component 2 includes a wheel 201 and a connecting shaft 202, the first motor 4 is fixedly installed on the left side of the base 1 through a rod, the first motor 4 is started, the output end of the first motor 4 is fixedly connected with the wheel 201, the first motor 4 drives the wheel 201 to rotate, the wheels 201 are fixedly installed on both sides of the connecting shaft 202, and the connecting shaft 202 is rotatably connected in the base 1, the wheel 201 at the connection end of the first motor 4 drives the connecting shaft 202 to rotate, thereby driving the wheel 201 on the other side to rotate, and the belts 15 are arranged on the outsides of the front and rear connecting shafts 202, so that the rotating connecting shaft 202 on the front side drives the connecting shaft 202 on the rear side to rotate, thereby driving the wheels 201 on both sides to rotate, so that the device can move automatically;

[0024] The alfalfa harvester with height adjustment function is provided with a sliding mechanism 6 transmission assembly 9, a second cutting knife 7, a third cutting knife 8 and a second motor 13. The second motor 13 is fixedly mounted on the top of the cover plate 10 through a rod. When the device moves forward, the second motor 13 is started. The sliding mechanism 6 includes a gear 601, a first bearing 602 and a tooth plate 603. The output end of the second motor 13 is fixedly connected with the first bearing 602. The output end of the second motor 13 is fixedly connected with the first bearing 602, and the first bearing 602 is rotatably connected to the first cutting knife 5 and the cover plate 10. The second motor 13 drives the first bearing 602 to rotate. The outer side of the first bearing 602 is fixedly mounted with a gear 601. The first bearing 602 drives the gear 601 to rotate. The front side of the gear 601 is meshed with a tooth plate 603. The rotating gear 601 drives the tooth plate 603 to move left and right. The non-tooth end of the tooth plate 603 is fixedly connected with the second cutting knife 7, so that the tooth plate 603 drives the second cutting knife 7 to move left and right. The first cutting knife 5 and the second cutting knife 7 harvest the alfalfa on the front side of the device.

[0025] A first roller 902 is fixedly installed on the outer side of the first bearing 602 at a position above the cover plate 10. The rotating first bearing 602 drives the first roller 902 to rotate. A conveyor belt 901 is arranged on the outer side of the first roller 902 and the second roller 903. The rotating first roller 902 drives the second roller 903 to rotate. The second roller 903 is fixedly installed on the top of the second bearing 802 close to the first cutting knife 5. The second roller 903 drives the second bearing 802 to rotate. A disc knife 801 is fixedly installed on the middle part of the outer side of the second bearing 802. The second bearing 802 drives the disc knife 801 to rotate. The lower end of the second bearing 802 is located at A second roller 903 is also fixedly installed at the bottom of the disc cutter 801, and a first roller 902 is fixedly installed at the bottom of the disc cutter 801, and a conveyor belt 901 is also arranged outside the first roller 902 and the second roller 903, so that the second bearing 802 close to the first cutter 5 drives the second bearing 802 away from the first cutter 5 to rotate, thereby driving the disc cutter 801 thereon to rotate, and the second bearing 802 is rotatably connected in the connecting plate 14, and the connecting plate 14 is respectively fixedly installed on the left and right sides of the first cutter 5, so as to harvest alfalfa on both sides of the device and improve its working efficiency;

[0026] The alfalfa harvester with height adjustment function is provided with a support rod 11 and an automatic telescopic rod 12. The automatic telescopic rod 12 is fixedly installed on both sides of the top of the base 1. When the automatic telescopic rod 12 is started, the support rod 11 is fixedly installed on the output end of the automatic telescopic rod 12. The operator standing on the base 1 can adjust the height of the handrail according to the height. Transparent baffles 3 are fixedly installed on both sides of the top of the base 1 to block a part of the harvesting dust and reduce the dust on the operator. The disc knife 801 and the second bearing 802 are the third cutting knife 8, and the conveyor belt 901, the first roller 902 and the second roller 903 are the transmission assembly 9.

[0027] The above is to complete a series of operations of the alfalfa harvester with height adjustment function. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An alfalfa harvester with a height adjustment function, comprising a base (1), a moving assembly (2), a sliding mechanism (6) and a transmission assembly (9), characterized in that: A first motor (4) is fixedly mounted on the left side of the base (1); a transparent baffle (3) is fixedly mounted on the top side of the base (1); an automatic telescopic rod (12) is arranged inside the transparent baffle (3); an output end of the automatic telescopic rod (12) is fixedly connected to a support rod (11); a moving assembly (2) is mounted on the bottom of the base (1); a belt (15) is mounted inside the moving assembly (2); and a first cutting knife (5) and a cover plate (10) are fixedly mounted on the front side of the base (1); The first cutting knife (5) is located below the cover plate (10); a second motor (13) is fixedly mounted on the top of the cover plate (10); a second cutting knife (7) and a sliding mechanism (6) are arranged on the top of the first cutting knife (5); the second cutting knife (7) is located in front of the sliding mechanism (6); connecting plates (14) are fixedly connected to the left and right sides of the first cutting knife (5); a third cutting knife (8) is mounted in the connecting plate (14); and a transmission assembly (9) is connected to the third cutting knife (8).

2. The alfalfa harvester with height adjustment function according to claim 1, characterized in that: The moving assembly (2) comprises wheels (201) and a connecting shaft (202), the wheels (201) being fixedly mounted on both sides of the connecting shaft (202), the connecting shaft (202) being rotatably connected in the base (1), a belt (15) being arranged on the outside of the connecting shaft (202), and a first motor (4) being connected to the outside of the wheels (201).

3. The alfalfa harvester with height adjustment function according to claim 1, characterized in that: The sliding mechanism (6) comprises a gear (601), a first bearing (602) and a toothed plate (603); the first bearing (602) is rotatably connected to the top end of the first cutting knife (5); a gear (601) is fixedly mounted on the outside of the first bearing (602); and a cover plate (10) is rotatably connected to the top end of the first bearing (602).

4. The alfalfa harvester with height adjustment function according to claim 3, characterized in that: The front side of the gear (601) is meshingly connected with a tooth plate (603), and the non-tooth end of the tooth plate (603) is fixedly connected with a second cutting knife (7).

5. The alfalfa harvester with height adjustment function according to claim 1, characterized in that: The third cutting knife (8) comprises a disc knife (801) and a second bearing (802), wherein the second bearing (802) is rotatably connected in the connecting plate (14), and the disc knife (801) is fixedly mounted on the outer side of the second bearing (802).

6. The alfalfa harvester with height adjustment function according to claim 1, characterized in that: The transmission assembly (9) comprises a conveyor belt (901), a first roller (902) and a second roller (903); the first roller (902) is fixedly mounted on the outside of the second bearing (802); the second roller (903) is fixedly mounted on the outside of the first bearing (602); and the conveyor belt (901) is arranged on the outside of the first roller (902) and the second roller (903).

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