High-stem plant harvesting cutter
By designing a harvesting blade system with a blade holder, fixed blade, and sliding blade, the problems of low harvesting efficiency and lodging control for tall plants have been solved, achieving efficient cutting and stable lodging control, thus improving harvesting efficiency and ease of operation.
Patent Information
- Application Number
- CN202520568095.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-05-28
AI Technical Summary
Existing large-scale harvesting machinery is difficult to harvest plants in special terrain or tall plants efficiently, while manual harvesting is inefficient and has a low success rate, and it is difficult to control the direction in which tall plants fall.
Design a harvesting tool that includes a blade holder, a fixed blade, and a sliding blade. The sliding blade is driven to reciprocate on a slide rail by a telescopic drive component. Combined with a serrated blade and a protruding tooth structure, it can achieve efficient cutting and harvesting. The direction of lodging is controlled by a spreading convex head.
It improves the success rate of cutting tall plants, ensures stable stem lodging, facilitates subsequent collection, and reduces labor intensity and operational difficulty.
Smart Images

Figure CN223872853U_ABST
Abstract
Description
[0001] The present application is a divisional application of the utility model patent application No. 202421179970.8 with the title of "Water High-stalk Plant Harvesting Boat" filed on May 28, 2024. TECHNICAL FIELD
[0002] The utility model relates to the field of plant harvesting equipment, and particularly relates to a high-stalk plant harvesting cutter. BACKGROUND
[0003] With the progress of agriculture, the crops planted on a large scale at present are basically harvested by large-scale harvesting machinery, but such machinery can generally only be applied to plain terrain, and for planting environments with special terrain or special harvesting environment, manual harvesting is required, especially for high-stalk plants, which need to be cut off from the roots to make them fall down, and the manual harvesting has low harvesting efficiency and large labor quantity of the harvester, especially for high-stalk plants with good toughness, the success rate of one-time cutting off is also reduced, further increasing the workload of the laborer, and the use of small harvesting cutters generally requires holding the equipment with both hands, and the falling direction of the high-stalk plants after harvesting without manual assistance is not easy to control, and in view of this, the present application provides a high-stalk plant harvesting cutter. UTILITY MODEL CONTENTS
[0004] To solve the above technical problems, the utility model discloses a harvesting cutter, which comprises a cutter holder, a fixed cutter, a sliding cutter and an extension driving part, the cutter holder is provided with a first cutter mounting part and a second cutter mounting part, the first cutter mounting part is a sliding rail structure, the second cutter mounting part is arranged adjacent to and parallel to the first cutter mounting part and extends along the length direction of the sliding rail structure, the fixed cutter is mounted on the second cutter mounting part, the sliding cutter is slidingly mounted on the first cutter mounting part and forms a cutter group capable of shearing together with the fixed cutter, one end of the extension driving part is fixedly connected with the cutter holder to form a fixed end, and the other end is fixedly connected with the sliding cutter to form a power source capable of driving the sliding cutter to slide in the first cutter mounting part.
[0005] Further, the fixed cutter and the sliding cutter are both sawtooth-shaped, and the tooth-shaped cutting edge edge is further provided with protruding teeth protruding from the tooth-shaped cutting edge, the protruding teeth are uniformly arranged from the tooth root to the tooth tip of the tooth-shaped cutting edge, and the protruding teeth have arc-shaped transitions toward the tooth root from the bottom to the top.
[0006] Further, the fixed knives are detachably mounted on the second cutter mounting portion through a fixed base, the fixed base has a length, and a plurality of fixed knives are arranged along the length direction to form a cutter with continuous teeth, the sliding knives are slidably connected with the first cutter mounting portion through a sliding strip base, the sliding strip base has a length, and can cooperate with the sliding rail structure of the first cutter mounting portion to form a sliding mechanism, and the plurality of sliding knives are arranged along the length direction of the sliding strip base to form a continuous toothed cutting cutter.
[0007] Further, the fixed knives and the sliding knives are triangular blades, and the angle of the toothed part is 30-45°.
[0008] Further, the hypotenuse of the triangular blade of the fixed knife and the sliding knife is a toothed edge, the base is a fixed part, and the base is fixedly connected with the fixed base and the sliding strip base respectively.
[0009] Further, it further comprises a dispersing convex head, the dispersing convex head is in the shape of a triangular pyramid, one of the sharp corners is in the same direction as the fixed knife, the knife holder is fixedly installed on the bottom surface of the triangular pyramid, and is away from the sharp corner in the same direction as the fixed knife.
[0010] The harvesting cutter provided by the utility model application realizes the shearing and harvesting of plant stems by using the fixed knives and the sliding knives which can reciprocate in cooperation with the sliding knives, improves the success rate of cutting off the stems by arranging the protruding teeth, prevents the stems from moving out of position, and improves the lodging direction of crops and facilitates the harvesting operation by arranging the dispersing convex head. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 Fig. 1 is a structural schematic view of a high-stem plant harvesting cutter according to the utility model;
[0012] Figure 2 Fig. 2 is another structural schematic view of a high-stem plant harvesting cutter according to the utility model;
[0013] Figure 3 Fig. 3 is a top view of a high-stem plant harvesting cutter according to the utility model;
[0014] Figure 4 Fig. 4 is a side view of a high-stem plant harvesting cutter according to the utility model;
[0015] Figure 5 Fig. 5 is a front view of a high-stem plant harvesting cutter according to the utility model.
[0016] Legend: 80. knife holder; 801. first cutter mounting portion; 802. second cutter mounting portion; 81. fixed knife; 82. sliding knife; 83. telescopic driving member; 84. protruding tooth; 85. fixed base; 86. sliding strip base; 87. dispersing convex head. DETAILED DESCRIPTION
[0017] The utility model will be further explained in connection with the embodiments below, but is not limited to the contents of the specification.
[0018] As Figures 1 to 5 shown, the utility model relates to a kind of high pole plants harvesting cutter, it includes knife rest 80, fixed knife 81, sliding knife 82 and telescopic drive 83, knife rest 80 has first cutter mounting portion 801 and second cutter mounting portion 802, first cutter mounting portion 801 is slide rail structure, second cutter mounting portion 802 is adjacent with first cutter mounting portion 801 and is arranged in parallel, and it extends along the length direction of slide rail structure, fixed knife 81 is installed in second cutter mounting portion 802, sliding knife 82 is slidably installed in first cutter mounting portion 801, with fixed knife 81 jointly form the cutter group that can be sheared, telescopic drive 83 one end is fixedly connected with knife rest 80 and forms fixed end, the other end is fixedly connected with sliding knife 82, forms the power source that can drive sliding knife 82 sliding in first cutter mounting portion 801. When using, by the driving of telescopic drive 83, make sliding knife 82 reciprocate along slide rail interface rail in horizontal direction, fixed knife and sliding knife in parallel state, sliding knife 82 in the two, form the case that fixed knife and sliding knife move relatively, fixed knife and sliding knife are adhered, then the cutting edge of two will form the action and function similar to scissors for shearing due to relative movement, and the stem diameter of plant is cut off to realize harvesting function, and the high pole fabric harvesting cutter can be installed in bow or car head by knife rest 80, to carry out shearing harvesting work, it can also be installed in the front end of handcart, and cutting work is completed by forward propulsion by manpower, and it can be used for shearing harvesting work of high pole such as reed, sorghum stem, corn stalk etc.
[0019] Fixed knife 81 and sliding knife 82 are both sawtooth, and the serrated cutting edge edge is also provided with protruding tooth 84 protruding from serrated cutting edge, protruding tooth 84 is evenly arranged along the tooth root to the tooth tip of serrated cutting edge, and protruding tooth 84 has arc transition towards tooth root direction from bottom to top, in order to further guarantee the cutting rate of cutting plant stem, the additional protruding tooth 84 can make plant stem in the gap position between the cutting edges of fixed knife 81 and sliding knife 82 not be displaced due to being extruded from cutting edge cutting position when being sheared and cut, when using, protruding blade 84 can be inserted into the stem in the gap position of cutting edge, prevent it from sliding in the shearing process, guarantee that stem can be cut, improve the success rate when cutting plant stem.
[0020] The fixed knives 81 are detachably mounted on the second cutter mounting portion 802 through the fixed base 85, the fixed base 85 has a length, and a plurality of fixed knives 81 are arranged along the length direction to form a cutter with continuous teeth, the sliding knives 82 are slidably connected with the first cutter mounting portion 801 through the slide base 86, the slide base 86 has a length, and can cooperate with the slide rail structure of the first cutter mounting portion 801 to form a sliding mechanism, a plurality of sliding knives 82 are arranged along the length direction of the slide base 86 to form a continuous tooth-shaped cutting cutter, in order to facilitate disassembly and maintenance, the sliding knives 82 and the fixed knives 81 are respectively mounted through the slide base 86 and the fixed base 85, the fixed base 85 can be provided with bolt holes thereon, and is detachably mounted on the second cutter mounting portion 802 through bolts, when the knives need to be replaced or maintained, the mounting and dismounting work can be completed by loosening or tightening the bolts; the slide base 86 can be matched with the slide rail and slide structure of the first cutter mounting portion 801, such as the dovetail slide groove and the dovetail tenon slide, the two can be slidably embedded and not fall off, and can be slid into the installation working position, which is convenient for disassembly and maintenance and installation; the fixed knives and the sliding knives are triangular blades, the angle of the tooth-shaped sharp part is 30-45°, under the cutter parameters, the cutting position can accommodate the stems, while ensuring the cutting efficiency, the transverse displacement amount of the moving knife can also complete the cutting operation, and the fixed knives and the sliding knives can be made of stainless steel to ensure the use strength and durability. The hypotenuse of the triangular blade of the fixed knife and the sliding knife is a tooth blade, and the base is a fixed connection part, and is fixedly connected with the fixed base and the slide base through the base respectively.
[0021] In order to improve the convenience during harvesting, and considering the problem of the direction of the high-stem plant after being cut off, the device further comprises a dispersing convex head 87, the dispersing convex head 87 is in the shape of a triangular pyramid, one of the sharp corners is in the same direction as the fixed knife 81, the knife holder 80 is fixedly installed on the bottom surface of the triangular pyramid, and is away from the sharp corner in the same direction as the fixed knife 81, in specific use, the sharp part of the triangular pyramid is used to break the forward path of the cutting equipment, as the equipment advances, the stems will be dispersed from narrow to wide along the triangular hypotenuse, at the same time, because the roots will not move, the stems are bent, and the cutting equipment at the rear part of the triangular pyramid will cut off the bent stems, so that the direction of the harvested stems after being cut off will be in the oblique forward direction with a high probability, on the one hand, it can prevent the stems from affecting the line of sight after falling, and on the other hand, it can facilitate subsequent collection after the stems fall.
[0022] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments cannot be exhausted. Any obvious changes or variations derived from the technical solutions of the present application still fall within the protection scope of the present application.
Claims
1. A high-stalk plant harvesting knife characterized by: It includes a knife holder (80), a fixed knife (81), a sliding knife (82) and a telescopic drive (83), the knife holder (80) has a first tool mounting portion (801) and a second tool mounting portion (802), the first tool mounting portion (801) is a slide rail structure, the second tool mounting portion (802) is arranged adjacent to and parallel to the first tool mounting portion (801) and extends along the length direction of the slide rail structure, the fixed knife (81) is installed on the second tool mounting portion (802), the sliding knife (82) is slidingly installed on the first tool mounting portion (801) and forms a shearable tool group with the fixed knife (81), one end of the telescopic drive (83) is fixedly connected with the knife holder (80) to form a fixed end, the other end is fixedly connected with the sliding knife (82) to form a power source capable of driving the sliding knife (82) to slide in the first tool mounting portion (801).
2. A high-stalk plant harvesting knife according to claim 1, characterised in that: The fixed knife (81) and the sliding knife (82) are both sawtooth-shaped, and the tooth-shaped blade edge is further provided with a protruding tooth (84) protruding from the tooth-shaped blade, the protruding tooth (84) is uniformly arranged from the tooth root to the tooth tip of the tooth-shaped blade, and the protruding tooth (84) has an arc transition towards the tooth root from bottom to top.
3. A high-stalk plant harvesting knife according to claim 2, characterised in that: The fixed knife (81) is detachably installed on the second tool mounting portion (802) through a fixed base (85), the fixed base (85) has a length, and a plurality of fixed knives (81) are arranged along the length direction to form a tool with continuous teeth, the sliding knife (82) is slidingly connected with the first tool mounting portion (801) through a slide strip base (86), the slide strip base (86) has a length and can cooperate with the slide rail structure of the first tool mounting portion (801) to form a sliding mechanism, and a plurality of sliding knives (82) are arranged along the length direction of the slide strip base (86) to form a continuous tooth-shaped cutting tool.
4. A high-stalk plant harvesting knife according to claim 3, characterised in that: The fixed knife (81) and the sliding knife (82) are triangular blades, and the angle of the tooth-shaped sharp part is 30°-45°.
5. A high-stalk plant harvesting knife according to claim 3, characterised in that: It further includes a scattering boss (87), the scattering boss (87) is in the shape of a triangular pyramid, and one of the sharp corners is oriented in the same direction as the fixed knife (81), the knife holder (80) is fixedly installed on the bottom surface of the triangular pyramid, and away from the sharp corner oriented in the same direction as the fixed knife (81).