Spiked roller structure of rotary cultivator
By adding a universal ball to the connecting head of the supporting arm of the rotary tiller and the installation component, the problem of left and right swing of the wolf teeth rolling when the farmland is uneven is solved, and the adaptability of the structure and the service life are extended.
Patent Information
- Application Number
- CN202421989590.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The connection position between the existing rotary tiller and the drive moving device is fixed, and it cannot be adaptively adjusted according to the needs, resulting in the rolling of the wolf teeth swaying left and right when the farmland is uneven, affecting the service life.
A rotary tiller rolling structure is designed. By adding a universal ball to the connecting head of the support arm and the installation component, the torque force caused by rising or falling occurs on the side of the rolling, adapting to the left and right swaying, and allowing the installation position to be adjusted according to the needs during installation.
It realizes the left and right sway adaptation of wolf teeth rolling, extends the service life, and enhances the structural adaptability and reduces maintenance costs.
Smart Images
Figure CN222981950U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotary tiller equipment, in particular to a rotary tiller wolf tooth roller structure. Background Technique
[0002] A rotary tiller is a kind of farm tillage machinery, mainly used for operations such as soil ploughing, soil crushing, and land preparation, and is widely used in agricultural production and horticultural work. With its high working ability and adaptability, the rotary tiller occupies an important position in modern agricultural production. The wolf tooth roller is a type of rotary tiller blade; the characteristic of this kind of blade is that there are serrated protrusions on the edge, which resembles a wolf's tooth; the wolf tooth roller is suitable for operations such as soil crushing, weeding, soil loosening, and fertilizer mixing, especially suitable for tillage of hard soil; usually, the wolf tooth roller is connected to the driving and moving device of the rotary tiller through a support arm, and at the same time, a hydraulic telescopic rod is also connected between the wolf tooth roller and the driving and moving device of the rotary tiller, and the wolf tooth roller is driven to lift and work through the hydraulic telescopic rod. The connection position between the existing wolf tooth roller and the driving and moving device is fixed and cannot be adjusted adaptively according to needs. At the same time, the wolf tooth roller and the driving and moving device are generally rotatably connected through a pin shaft; however, the left and right heights of the actual farmland are uneven, and the wolf tooth roller will swing left and right during use, affecting the service life of the wolf tooth roller. Content of the Utility Model
[0003] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a rotary tiller wolf tooth roller structure, which can solve the existing problems.
[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:
[0005] The utility model is realized by the following technical solution: A rotary tiller wolf tooth roller structure includes a wolf tooth roller, and support arms are rotatably connected to both ends of the wolf tooth roller. A first connection head and a second connection head are respectively fixed at both ends of each support arm; the end of the first connection head is connected to a universal ball through a pin shaft, and the end of the universal ball is connected to a first fixing plate; the second connection head is rotatably connected to a hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is rotatably connected to a third connection head; a second fixing plate is fixed on the side of the third connection head; the first fixing plate and the second fixing plate are cooperatively connected to an installation component; the installation component includes an installation seat, fixing bolts, a first installation plate, and a second installation plate. The first installation plate and the second installation plate are fixed on the side of the installation seat; multiple rows of installation holes are opened on the surfaces of the first installation plate and the second installation plate; multiple connection holes are opened on the surfaces of the first fixing plate and the second fixing plate; the connection holes are adapted to the installation holes at different positions and are fixed by fixing bolts.
[0006] Furthermore, the spike roller includes rollers and rotary tillage blades, and multiple rows of rotary tillage blades arranged in an annular array are equidistantly distributed on the outer side of the rollers.
[0007] Furthermore, the spike roller further includes a first limiting hole, a limiting groove, a limiting bolt, a locking ring, a second limiting hole, a locking bolt, and a locking hole; multiple limiting grooves are equidistantly opened on the surface of the roller, and a first limiting hole is opened in each of the limiting grooves; the rotary tillage blades arranged in an annular array are fixed to the side of the locking ring, and the locking ring has an opening; locking holes are provided at the openings of the locking ring, and the locking holes are cooperatively connected with locking bolts to form a closed annular structure for the locking ring; the locking ring is cooperatively connected with the limiting groove, and multiple second limiting holes are opened on the surface of the locking ring, and the second limiting holes and the first limiting holes are cooperatively connected with limiting bolts.
[0008] Furthermore, a cross bar is fixed between the two support arms, and multiple soil scraping plates are fixed to the side of the cross bar; the soil scraping plates are arranged between each row of rotary tillage blades.
[0009] Furthermore, the soil scraping plate includes a mounting portion, fixing holes, and a bending portion; fixing holes are opened on both sides of the mounting portion, and the fixing holes are cooperatively connected with bolts to fix the soil scraping plate; a bending portion is provided at the bottom end of the mounting portion; the mounting portion and the bending portion are integrally formed.
[0010] Furthermore, the soil scraping plate further includes a blade; a blade is fixed to the side of the bending portion.
[0011] Compared with the prior art, the beneficial effects of the present utility model include:
[0012] In the spike roller structure of the rotary tillage blades of the present utility model, a universal ball is added to the connection head between the support arm and the mounting component, which can buffer the torque force caused by the rise or fall of one side of the spike roller, that is, it can adapt to the left and right swing of the spike roller, provide a gap for the left and right swing of the spike roller, and increase the service life of the spike roller; at the same time, the spike roller structure can adjust the installation position according to requirements during installation, with stronger adaptability. In addition, the soil scraping plate of the present utility model is formed by one-time bending, which is simple to manufacture and has high soil scraping efficiency. At the same time, the rotary tillage blades of the present utility model adopt a detachable structure, and can be partially replaced when damaged, reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The disclosure of the present utility model will be described with reference to the accompanying drawings. It should be understood that the drawings are only for the purpose of illustration and are not intended to limit the scope of protection of the present utility model. In the drawings, the same reference numerals are used to refer to the same components. Among them:
[0014] Figure 1 is an overall structural schematic diagram of a spike roller structure of a rotary tiller of the present utility model;
[0015] Figure 2 Structural schematic diagram of the wolf tooth roller in the embodiment of the utility model
[0016] Figure 3 Structural schematic diagram of the soil scraping plate in the embodiment of the utility model
[0017] Description of the markings in the figure: 1. Installation component; 11. Installation base; 12. Fixing bolt; 13. First mounting plate; 14. Second mounting plate; 2. Support arm; 21. First connection head; 22. Second connection head; 3. Universal ball; 4. First fixing plate; 5. Hydraulic telescopic rod; 6. Second fixing plate; 61. Third connection head; 7. Cross bar; 8. Soil scraping plate; 81. Installation part; 82. Fixing hole; 83. Bending part; 84. Blade; 9. Wolf tooth roller; 91. Roller; 92. First limiting hole; 93. Limiting groove; 94. Limiting bolt; 95. Locking ring; 96. Second limiting hole; 97. Rotary tillage knife; 98. Locking bolt; 99. Locking hole Specific implementation manners
[0018] It is easy to understand that according to the technical solution of the utility model, without changing the essential spirit of the utility model, those of ordinary skill in the art can propose various structural ways and implementation ways that can be mutually replaced. Therefore, the following specific implementation manners and the accompanying drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as all of the utility model or as a limitation or restriction on the technical solution of the utility model
[0019] A wolf tooth roller structure of a rotary tiller, as Figure 1 shown, includes a wolf tooth roller 9, the wolf tooth roller 9 includes rollers 91 and rotary tillage knives 97, and multiple rows of rotary tillage knives 97 arranged in a circular array are equally spaced on the outer side of the rollers 91. In order to facilitate the replacement of the rotary tillage knives 97 when they are damaged or broken, the rotary tillage knives 97 adopt a detachable structure, and the wolf tooth roller 9 further includes a first limiting hole 92, a limiting groove 93, a limiting bolt 94, a locking ring 95, a second limiting hole 96, a locking bolt 98 and a locking hole 99; as Figure 2As shown in the figure, a plurality of limiting grooves 93 are equidistantly arranged on the surface of the roller 91, and a first limiting hole 92 is opened in each of the limiting grooves 93; the rotary tillage blades 97 arranged in an annular array are fixed to the side of the locking ring 95, and the locking ring 95 has an opening; the locking ring 95 is fitted and connected with the limiting groove 93; so that when the rotary tillage blade 97 is installed, the locking ring 95 is pulled open and sleeved on the side of the limiting groove 93 to complete the connection between the locking ring 95 and the roller 91, and further realize the installation of the rotary tillage blade 97; locking holes 99 are arranged at the openings of the locking ring 95, and the locking holes 99 are fitted and connected with locking bolts 98 to make the locking ring 95 form a closed annular structure; when the locking ring 95 is sleeved in the limiting groove 93, the opening of the locking ring 95 is locked through the locking bolt 98 in the locking hole 99 at the opening of the locking ring 95; a plurality of second limiting holes 96 are opened on the surface of the locking ring 95, and the second limiting holes 96 and the first limiting holes 92 are fitted and connected with a limiting bolt 94; in order to further reinforce the locking ring 95 and improve the stability of the installation of the rotary tillage blade 97, the limiting bolt 94 is threadedly connected in the first limiting hole 92 and the second limiting hole 96 for reinforcement.
[0020] Both ends of the spike roller 9 are rotatably connected with support arms 2, and a first connecting head 21 and a second connecting head 22 are respectively fixed at both ends of each support arm 2; the end of the first connecting head 21 is connected with a universal ball 3 through a pin shaft, and the end of the universal ball 3 is connected with a first fixing plate 4; the second connecting head 22 is rotatably connected with a hydraulic telescopic rod 5, and the other end of the hydraulic telescopic rod 5 is rotatably connected with a third connecting head 61; a second fixing plate 6 is fixed on the side of the third connecting head 61; the first fixing plate 4 and the second fixing plate 6 are fitted and connected with an installation component 1; the installation component 1 includes an installation seat 11, fixing bolts 12, a first installation plate 13 and a second installation plate 14, and the first installation plate 13 and the second installation plate 14 are fixed on the side of the installation seat 11; a plurality of rows of installation holes are opened on the surfaces of the first installation plate 13 and the second installation plate 14; a plurality of connection holes are opened on the surfaces of the first fixing plate 4 and the second fixing plate 6; the connection holes are adapted to the installation holes at different positions and are fixed through the fixing bolts 12. The installation seat 11 among them is connected with the device for driving the movement of the rotary tillage machine, and is used for driving the spike roller of the rotary tillage machine to move and work; in order to adjust the position of the spike roller 9 left and right according to requirements, the first fixing plate 4 and the second fixing plate 6 can be made to correspond to the installation holes at different positions on the surfaces of the first installation plate 13 and the second installation plate 14 and be fixed through the fixing bolts 12, so that the spike roller 9 can be adjusted left and right on the installation seat 11. Exemplarily, the distance of the left and right adjustment differs by five centimeters, so that the rotary tillage machine can adjust the position of the spike roller 9 according to requirements when in use.
[0021] A cross bar 7 is fixed between the two support arms 2, and a plurality of soil scraping plates 8 are fixed to the side of the cross bar 7; the soil scraping plates 8 are arranged between the rows of rotary tillage blades 97. The soil scraping plate 8 includes a mounting portion 81, a fixing hole 82, and a bending portion 83; as Figure 3 shown, fixing holes 82 are opened on both sides of the mounting portion 81, and the fixing holes 82 cooperate with bolts to fix the soil scraping plate 8; a bending portion 83 is provided at the bottom end of the mounting portion 81; the mounting portion 81 and the bending portion 83 are integrally formed. The soil scraping plate 8 further includes a blade 84; a blade 84 is fixed to the side of the bending portion 83. The soil scraping plate 8 of the present utility model is used to scrape the ash soil between two rows of rotary tillage blades 97; compared with the traditional straight soil scraping plate 8, the bent soil scraping plate has a higher soil scraping efficiency, and at the same time, the blade 84 can be used to cut the entangled weeds.
[0022] When the rotary tiller wolf tooth roller structure of the present utility model is in use, installation is carried out first. Usually, the mounting seat 11 is directly integrated with the driving and moving device of the rotary tiller; when the wolf tooth roller structure is installed, first determine the position where the wolf tooth roller structure needs to be installed according to requirements. After determining the installation position of the wolf tooth roller structure, align the first fixing plate 4 with the appropriate mounting hole on the surface of the first mounting plate 13, and align the second fixing plate 14 with the appropriate mounting hole on the surface of the second mounting plate 14 and fasten them with fixing bolts 12. In use, the structure of the universal ball 3 can buffer the rise or fall of one side of the wolf tooth roller 9, that is, it can adapt to the left and right swing of the wolf tooth roller 9 and provide a gap for the left and right swing of the wolf tooth roller 9; if a rotary tillage blade 97 is damaged, the limit bolt 94 and the locking bolt 98 can be removed to replace the rotary tillage blade 97 and the corresponding locking ring 95 to achieve local replacement and reduce costs.
[0023] In the rotary tiller wolf tooth roller structure of the present utility model, a universal ball is added to the connection head between the support arm and the mounting component, which can buffer the torque force caused by the rise or fall of one side of the wolf tooth roller, that is, it can adapt to the left and right swing of the wolf tooth roller and provide a gap for the left and right swing of the wolf tooth roller, increasing the service life of the wolf tooth roller; at the same time, the wolf tooth roller structure can adjust the installation position according to requirements during installation, with stronger adaptability. The soil scraping plate of the present utility model is formed by one-time bending, with simple production and high soil scraping efficiency. At the same time, the rotary tillage blade of the present utility model adopts a detachable structure, which can be locally replaced when damaged, reducing the maintenance cost.
[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0025] In the description of this patent, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "joined", "set" shall be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "several" means two or more unless otherwise clearly and specifically defined.
[0027] The technical scope of the present utility model is not limited only to the content described above. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of the present utility model, and these deformations and modifications shall all fall within the protection scope of the present utility model.
Claims
1. A rotary tiller wolf tooth roller structure, characterized in that: It comprises a wolf tooth roller (9), the two ends of the wolf tooth roller (9) are rotatably connected to support arms (2), and the two ends of each support arm (2) are respectively fixed with a first connecting head (21) and a second connecting head (22); the end of the first connecting head (21) is connected to a universal ball (3) through a pin shaft, and the end of the universal ball (3) is connected to a first fixed plate (4); the second connecting head (22) is rotatably connected to a hydraulic telescopic rod (5), and the other end of the hydraulic telescopic rod (5) is rotatably connected to a third connecting head (61); a second fixed plate (6) is fixed to the side of the third connecting head (61); the first fixed plate (4) and the second fixed plate (6) are matched to connect to the installation component (1); The mounting assembly (1) comprises a mounting seat (11), fixing bolts (12), a first mounting plate (13) and a second mounting plate (14); the first mounting plate (13) and the second mounting plate (14) are fixed to the side of the mounting seat (11); the surfaces of the first mounting plate (13) and the second mounting plate (14) are provided with a plurality of rows of mounting holes; the surfaces of the first fixing plate (4) and the second fixing plate (6) are provided with a plurality of connecting holes; the connecting holes are adapted to the mounting holes at different positions and are fixed by means of the fixing bolts (12).
2. The wolf tooth roller structure of a rotary tiller according to claim 1, characterized in that: The wolf tooth roller (9) comprises a roller (91) and a rotary tiller (97), and multiple rows of rotary tillers (97) in a circular array are evenly distributed on the outer side of the roller (91).
3. A rotary tiller wolf tooth roller structure according to claim 2, characterized in that: The wolf tooth roller (9) further comprises a first limiting hole (92), a limiting groove (93), a limiting bolt (94), a locking ring (95), a second limiting hole (96), a locking bolt (98) and a locking hole (99); a plurality of limiting grooves (93) are equidistantly provided on the surface of the roller (91), and a first limiting hole (92) is provided in each limiting groove (93); the rotary tiller blades (97) in an annular array are fixed to the side of the locking ring (95), and the locking ring (95) is provided with a plurality of limiting grooves (93) at an equal distance from each other. The tightening ring (95) has an opening; the opening of the locking ring (95) is provided with a locking hole (99), and the locking hole (99) cooperates with the locking bolt (98) to form a closed ring structure of the locking ring (95); the locking ring (95) is cooperated with the limiting groove (93), and the surface of the locking ring (95) is provided with a plurality of second limiting holes (96), and the second limiting holes (96) and the first limiting holes (92) are cooperated with the limiting bolt (94).
4. The wolf tooth roller structure of a rotary tiller according to claim 1, characterized in that: A cross bar (7) is fixed between the two support arms (2), and a plurality of scraper plates (8) are fixed to the side of the cross bar (7); the scraper plates (8) are arranged between each row of rotary tillers (97).
5. The wolf tooth roller structure of a rotary tiller according to claim 4, characterized in that: The scraper plate (8) comprises a mounting portion (81), a fixing hole (82) and a bending portion (83); fixing holes (82) are provided on both sides of the mounting portion (81), and the fixing holes (82) cooperate with bolts to fix the scraper plate (8); a bending portion (83) is provided at the bottom end of the mounting portion (81); the mounting portion (81) and the bending portion (83) are integrally formed.
6. The wolf tooth roller structure of a rotary tiller according to claim 5, characterized in that: The scraper blade (8) further comprises a blade (84); the blade (84) is fixed to the side of the bent portion (83).