CN211047783U - Rotary blade for rotary cultivator - Google Patents
Rotary blade for rotary cultivator Download PDFInfo
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- CN211047783U CN211047783U CN201921352555.7U CN201921352555U CN211047783U CN 211047783 U CN211047783 U CN 211047783U CN 201921352555 U CN201921352555 U CN 201921352555U CN 211047783 U CN211047783 U CN 211047783U
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Abstract
The utility model provides a rotary blade for rotary cultivator, including tool bit and handle of a knife, tool bit and handle of a knife link to each other through the first connecting piece of bisymmetry setting, the one end that the tool bit was kept away from to the handle of a knife is equipped with first mounting panel, the handle of a knife is the camber, and the radian of the back of a knife blade of handle of a knife is less than the radian of cutting edge, the cutting edge is the flank of tooth; the middle part of the cutter head is a bent part, the outer part of the cutter head is provided with a bent part, and the inner part of the cutter head is a straight cutting part; the utility model has simple structure, when one part of the cutter head or the cutter handle is invalid and the other part is normal, the invalid rotary blade cutter head or the invalid cutter handle can be replaced by disassembling the connecting bolt, thereby saving the cost and avoiding the waste; the equidistant a plurality of cutting teeth that are provided with of interval on the kink cutting edge to make the cutting edge form the cockscomb structure, improve rotary blade's shredding ability, can reduce the blade resistance of ingrowing, prevent twining careless ability reinforce, lead to the groove and do benefit to earth and drop, prevent the adhesion on the cutter.
Description
Technical Field
The utility model relates to an agricultural machinery accessory field, concretely relates to a rotary blade for rotary cultivator.
Background
With the development of agriculture, especially mechanization of agricultural production, the requirement on the wear resistance of agricultural machinery accessories is higher and higher. The rotary blade is the main working part of the rotary cultivator, the toughness and the wear resistance of the blade directly influence the working quality and the power consumption of the rotary cultivator, the whole body of the blade of the rotary blade is quenched once, and tempered martensite is obtained after low-temperature tempering. The rotary blade has high hardness and brittleness, the surface wear resistance of the rotary blade is improved due to the high hardness, but the rotary blade meets the surface wear resistance and has high requirements on the whole bending strength and toughness, the blade body is brittle and easy to break under the condition, even the blade holder can break, the wear resistance is small, the blade body is required to be frequently replaced, the working strength is increased due to the breakage and frequent replacement for a user, the abrasion is large, and the replacement cost is high.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model provides a rotary blade for a rotary cultivator.
The utility model provides a technical scheme of above-mentioned problem does: a rotary blade for a rotary cultivator comprises a blade head and a blade handle, wherein the blade head and the blade handle are connected through two first connecting pieces which are symmetrically arranged, a first groove is formed in one end, connected with the blade head, of the blade handle, a first boss is correspondingly arranged on the blade head, the first groove is matched with the first boss, the first boss of the blade head is arranged in the first groove of the blade handle, the two first connecting pieces are arranged at the connecting position of the blade head and the blade handle and are respectively arranged on two sides, the two first connecting pieces are connected with the blade head through first bolts and first nuts, and the two first connecting pieces are connected with the blade handle through second bolts and second nuts;
a first mounting plate is arranged at one end, far away from the tool bit, of the tool handle, the tool handle is in a curved shape, the radian of the tool back of the tool handle is smaller than that of the cutting edge, and the cutting edge is a tooth surface;
the middle part of the cutter head is a bent part, a bent part is arranged on the outer part of the cutter head, a straight cutting part is arranged in the cutter head, the whole cutter head is in a bent arc shape, the radian of the back of the cutter head is smaller than that of the cutting edge, the bent part is provided with a plurality of reinforcing ribs, the cutting edges at the bent part and the straight cutting part are tooth surfaces, a plurality of cutting teeth are arranged on the cutting edge of the bent part at intervals at equal intervals, so that the cutting edges form a saw-tooth shape, transition is realized between the cutting teeth through an arc-shaped opening, and a plurality;
4-6 reinforcing ribs are arranged;
6-8 cutting teeth are arranged;
2-4 through grooves are arranged.
The utility model discloses beneficial effect has:
the utility model has simple structure, when one part of the cutter head or the cutter handle is invalid and the other part is normal, the invalid rotary blade cutter head or the invalid cutter handle can be replaced by disassembling the connecting bolt, thereby saving the cost and avoiding the waste; the equidistant a plurality of cutting teeth that are provided with of interval on the kink cutting edge to make the cutting edge form the cockscomb structure, improve rotary blade's shredding ability, can reduce the blade resistance of ingrowing, prevent twining careless ability reinforce, lead to the groove and do benefit to earth and drop, prevent the adhesion on the cutter.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
in the figure: 101-a cutter head, 102-a cutter handle, 103-a first connecting piece, 104-a first groove, 105-a first boss, 106-a first mounting plate, 107-a bending part, 108-a bending part, 109-a straight cutting part, 110-a reinforcing rib, 111-a cutting tooth, 112-an arc opening and 113-a through groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in the figure, the rotary tillage cutter for the rotary cultivator comprises a cutter head and a cutter handle, wherein the cutter head is connected with the cutter handle through two first connecting pieces which are symmetrically arranged, a first groove is formed in one end, connected with the cutter head, of the cutter handle, a first boss is correspondingly arranged on the cutter head, the first groove is matched with the first boss, the first boss of the cutter head is arranged in the first groove of the cutter handle, two first connecting pieces are arranged at the connecting position of the cutter head and the cutter handle and are respectively arranged on two sides, the two first connecting pieces are connected with the cutter head through first bolts and first nuts, and the two first connecting pieces are connected with the cutter handle through second bolts and second nuts;
a first mounting plate is arranged at one end, far away from the tool bit, of the tool handle, the tool handle is in a curved shape, the radian of the tool back of the tool handle is smaller than that of the cutting edge, and the cutting edge is a tooth surface;
the middle part of the cutter head is a bent part, a bent part is arranged on the outer part of the cutter head, a straight cutting part is arranged in the cutter head, the whole cutter head is in a bent arc shape, the radian of the back of the cutter head is smaller than that of the cutting edge, the bent part is provided with a plurality of reinforcing ribs, the cutting edges at the bent part and the straight cutting part are tooth surfaces, a plurality of cutting teeth are arranged on the cutting edge of the bent part at intervals at equal intervals, so that the cutting edges form a saw-tooth shape, transition is realized between the cutting teeth through an arc-shaped opening, and a plurality;
4-6 reinforcing ribs are arranged;
6-8 cutting teeth are arranged;
2-4 through grooves are arranged.
The utility model has simple structure, when one part of the cutter head or the cutter handle is invalid and the other part is normal, the invalid rotary blade cutter head or the invalid cutter handle can be replaced by disassembling the connecting bolt, thereby saving the cost and avoiding the waste; the equidistant a plurality of cutting teeth that are provided with of interval on the kink cutting edge to make the cutting edge form the cockscomb structure, improve rotary blade's shredding ability, can reduce the blade resistance of ingrowing, prevent twining careless ability reinforce, lead to the groove and do benefit to earth and drop, prevent the adhesion on the cutter.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. A rotary blade for a rotary cultivator is characterized by comprising a blade head and a blade handle, wherein the blade head and the blade handle are connected through two first connecting pieces which are symmetrically arranged, a first groove is formed in one end, connected with the blade head, of the blade handle, a first boss is correspondingly arranged on the blade head, the first groove is matched with the first boss, the first boss of the blade head is arranged in the first groove of the blade handle, the two first connecting pieces are arranged at the connecting position of the blade head and the blade handle and are respectively arranged on two sides, the two first connecting pieces are connected with the blade head through first bolts and first nuts, and the two first connecting pieces are connected with the blade handle through second bolts and second nuts;
a first mounting plate is arranged at one end, far away from the tool bit, of the tool handle, the tool handle is in a curved shape, the radian of the tool back of the tool handle is smaller than that of the cutting edge, and the cutting edge is a tooth surface;
the utility model discloses a cutting tool, including the tool bit, the middle part of tool bit is the portion of bending, and the outside of tool bit is equipped with the kink, and the inside of tool bit is the portion of directly cutting, the whole curved shape that is of tool bit, and the radian of the holistic back of a knife blade of tool bit is less than the radian of cutting edge, the portion of bending is equipped with a plurality of strengthening ribs, the cutting edge of the portion of bending and the portion of directly cutting department is the flank of tooth, interval equidistance is provided with a plurality of cutting teeth on the kink cutting edge to make the cutting edge form the cocksco.
2. A rotary blade for a rotary tiller according to claim 1, wherein there are 4-6 said reinforcing bars.
3. A rotary blade for a rotary tiller according to claim 1, wherein said number of said cutting teeth is 6-8.
4. A rotary blade for a rotary tiller according to claim 1, wherein there are 2-4 through slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352555.7U CN211047783U (en) | 2019-08-20 | 2019-08-20 | Rotary blade for rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352555.7U CN211047783U (en) | 2019-08-20 | 2019-08-20 | Rotary blade for rotary cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211047783U true CN211047783U (en) | 2020-07-21 |
Family
ID=71581484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352555.7U Active CN211047783U (en) | 2019-08-20 | 2019-08-20 | Rotary blade for rotary cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211047783U (en) |
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2019
- 2019-08-20 CN CN201921352555.7U patent/CN211047783U/en active Active
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| GR01 | Patent grant |