CN215223135U - Cutting knife driving device of harvester - Google Patents
Cutting knife driving device of harvester Download PDFInfo
- Publication number
- CN215223135U CN215223135U CN202121840772.8U CN202121840772U CN215223135U CN 215223135 U CN215223135 U CN 215223135U CN 202121840772 U CN202121840772 U CN 202121840772U CN 215223135 U CN215223135 U CN 215223135U
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- Prior art keywords
- cutting knife
- lower cutting
- wear
- shaped groove
- cutter
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- 238000005520 cutting process Methods 0.000 title claims abstract description 81
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000001012 protector Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 2
- 230000009351 contact transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model discloses a cutting knife driving device of a harvester, belonging to the technical field of agricultural machinery transmission, comprising a lower cutting knife rest, a rocker arm, a knife rest beam and a lower cutting knife assembly, wherein the knife rest beam is fixed at the front end of the lower cutting knife rest, and the rocker arm is rotatably supported on the lower cutting knife rest; the cutting machine is characterized in that a lower cutting knife pull plate is fixed on the lower cutting knife assembly; one end of the rocker arm is a driving end, the other end of the rocker arm is a U-shaped end with a U-shaped groove, the U-shaped end corresponds to the upper part of the lower cutting knife pulling plate, and two opposite side walls in the U-shaped groove are respectively fixed with a wear-resistant block; a lower cutting knife swinging shaft is vertically fixed on the lower cutting knife pulling plate, the upper end of the lower cutting knife swinging shaft correspondingly extends into the U-shaped groove, and a wear-resistant sleeve is sleeved on the lower cutting knife swinging shaft and is simultaneously contacted with wear-resistant blocks on two sides in the U-shaped groove; the upper end of the oscillating shaft of the lower cutter is connected with a bolt, and a gasket is arranged between the nut of the bolt and the wear-resistant sleeve. The structure does not fear the erosion and the abrasion of muddy water and silt, and has simple structure, high reliability and low maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of the agricultural machine transmission, concretely relates to cutting knife drive arrangement of harvester.
Background
The lower cutting knife of the harvester is generally driven by a rocker arm, one end of the rocker arm is connected with a power source, the other end of the rocker arm is connected with the cutting knife, and the reciprocating movement of the cutting knife is driven by the swing of the rocker arm. At present, the rocker arm and the cutting knife are connected by adopting a bearing or a rod end joint bearing, so that the structure is complex, the reliability is poor and the cost is high. And under the erosion and abrasion of muddy water and silt, the failure rate of a transmission part is high, and the machine yield quality and the service life of parts are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cutting knife drive arrangement of harvester to solve present cutting knife rocking arm drive cutting knife down and all adopt bearing or rod end joint bearing, and the structure of existence is complicated, the reliability is poor, with high costs, the problem that the fault rate is high.
For realizing the purpose of the utility model, the technical proposal adopted is that: a cutting knife driving device of a harvester comprises a lower cutting knife rest, a rocker arm, a knife rest beam and a lower cutting knife assembly, wherein the knife rest beam is fixed at the front end of the lower cutting knife rest, and the rocker arm is rotatably supported on the lower cutting knife rest; a lower cutting knife pull plate is fixed on the lower cutting knife assembly; one end of the rocker arm is a driving end, the other end of the rocker arm is a U-shaped end with a U-shaped groove, the U-shaped end corresponds to the upper part of the lower cutting knife pulling plate, and two opposite side walls in the U-shaped groove are respectively fixed with a wear-resistant block; convex strips are respectively arranged on two opposite side walls in the U-shaped groove, grooves matched with the convex strips are respectively arranged on the back surfaces of the two wear-resistant blocks, and the two wear-resistant blocks are respectively connected with two opposite side walls in the U-shaped groove through screws; a lower cutting knife swinging shaft is vertically fixed on the lower cutting knife pulling plate, the upper end of the lower cutting knife swinging shaft correspondingly extends into the U-shaped groove, and a wear-resistant sleeve is sleeved on the lower cutting knife swinging shaft and is simultaneously contacted with wear-resistant blocks on two sides in the U-shaped groove; the upper end of the oscillating shaft of the lower cutter is connected with a bolt, and a gasket is arranged between the nut of the bolt and the wear-resistant sleeve.
As a further alternative, the lower cutter swing shaft is a stepped shaft with a small upper part and a large lower part, the lower end of the wear-resistant sleeve is abutted to the step of the stepped shaft, and the upper end of the wear-resistant sleeve is flush with the upper end of the lower cutter swing shaft.
As a further alternative, the lower cutting knife assembly comprises a movable knife rod and a plurality of movable blades fixed on the movable knife rod, the plurality of movable blades are distributed along the length direction of the movable knife rod, and a pull plate of the lower cutting knife is riveted with the movable knife rod.
As a further alternative, the upper end of the tool rest beam is fixed with a blade pressing device, the lower end of the tool rest beam is fixed with a blade protector, and the lower cutting knife assembly is positioned between the blade pressing device and the blade protector.
As a further alternative, a friction plate is fixed between the blade pressing device and the tool rest beam and is in contact with the movable blade rod.
The utility model has the advantages that: the wear-resistant blocks on the two sides of the wear-resistant sleeve are matched to drive, the wear-resistant materials are adopted, a bearing is not needed, the rocker arm rotates and swings in the process, the lower cutting knife assembly is driven to move horizontally, the cutting of the stems is realized, the structure is not afraid of erosion and abrasion of muddy water and silt, the structure is simple, the reliability is high, and the maintenance cost is low.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a cutting knife driving device of a harvester according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural diagram of another view angle of the cutting knife driving device of the harvester according to the embodiment of the present invention;
fig. 4 is a side view of the cutting knife drive at the front end of the harvester provided by the embodiments of the present invention;
reference numerals: 1-lower cutting knife rest, 2-rocker arm, 3-knife rest beam, 4-lower cutting knife assembly, 5-lower cutting knife pulling plate, 6-U-shaped groove, 7-wear-resistant block, 8-lower cutting knife swinging shaft, 9-wear-resistant sleeve, 10-gasket, 11-raised line, 12-groove, 13-movable knife bar, 14-movable knife blade, 15-knife pressing device, 16-knife edge protector and 17-friction plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 to 4 show a cutting knife driving device of a harvester provided by the present invention, which comprises a lower cutting knife rest 1, a rocker arm 2, a knife rest beam 3, and a lower cutting knife assembly 4, wherein the knife rest beam 3 is fixed at the front end of the lower cutting knife rest 1, and the rocker arm 2 is rotatably supported on the lower cutting knife rest 1; a lower cutting knife pull plate 5 is fixed on the lower cutting knife assembly 4; one end of the rocker arm 2 is a driving end, the other end of the rocker arm is a U-shaped end with a U-shaped groove 6, the U-shaped end corresponds to the upper part of the lower cutting knife pulling plate 5, and two opposite side walls in the U-shaped groove 6 are respectively fixed with a wear-resistant block 7; two opposite side walls in the U-shaped groove 6 are respectively provided with a convex strip 11, the back surfaces of the two wear-resistant blocks 7 are respectively provided with a groove 12 matched with the convex strip 11, and the two wear-resistant blocks 7 are respectively connected with two opposite side walls in the U-shaped groove 6 through screws; a lower cutting knife swinging shaft 8 is vertically fixed on the lower cutting knife pulling plate 5, the upper end of the lower cutting knife swinging shaft 8 correspondingly extends into the U-shaped groove 6, and is sleeved with a wear-resistant sleeve 9, the wear-resistant sleeve 9 is simultaneously contacted with the wear-resistant blocks 7 on two sides in the U-shaped groove 6, namely the outer circular surface of the wear-resistant sleeve 9 is tangent to the wear-resistant blocks 7 on two sides; the upper end of the lower cutter swing shaft 8 is connected with a bolt, and a gasket 10 is arranged between the nut of the bolt and the wear-resistant sleeve 9.
The wear-resistant blocks 7 on two sides are accurately positioned relative to the rocker arm 2 through the matching of the convex strips 11 and the grooves 12, the contact transmission of the wear-resistant sleeves 9 and the wear-resistant blocks 7 is guaranteed, and the installation is convenient.
Rocking arm 2 can be the L type, the corner rotates the supporting on cutting knife rest 1 down through modes such as bearing, the drive end is used for connecting the power supply, cutting knife rest 1 rotary swing under driving rocking arm 2 relatively, cutting knife oscillating axle 8 just stirs down during rocking arm 2 swings, and then drive cutting knife arm-tie 5 and cutting knife subassembly 4 reciprocating motion down, wear-resisting cover 9 and the wear-resisting piece 7 contact friction of both sides, moreover, the reliability of drive transmission has been guaranteed, and convenient maintenance, it can to change wear-resisting cover 9 and wear-resisting piece 7.
The lower cutter swing shaft 8 is a step shaft with a small upper part and a large lower part, the lower end of the wear-resistant sleeve 9 is abutted to a step of the step shaft, the upper end of the wear-resistant sleeve 9 is flush with the upper end of the lower cutter swing shaft 8, the wear-resistant sleeve 9 is conveniently positioned and installed and fixed, and the washer 10 is combined with a bolt to install the wear-resistant sleeve 9.
The lower cutting knife assembly 4 comprises a movable knife rod 13 and a plurality of movable knife blades 14 fixed on the movable knife rod 13, the plurality of movable knife blades 14 are distributed along the length direction of the movable knife rod 13, and the pull plate 5 of the lower cutting knife is riveted with the movable knife rod 13. The lower cutting knife pulling plate 5 can be arranged on two movable blades 14 and fixedly connected with the movable blades 14 and the movable blade rod 13 through rivets.
The upper end of the tool rest beam 3 is fixed with a blade pressing device 15, the lower end is fixed with a blade protector 16, and the lower cutting knife assembly 4 is positioned between the blade pressing device 15 and the blade protector 16 and moves horizontally in a reciprocating manner in a certain height space between the blade pressing device 15 and the blade protector 16. A friction plate 17 is fixed between the blade pressing device 15 and the knife rest beam 3, the friction plate 17 is in contact with the movable knife rod 13, and the friction plate 17 plays roles of contact with the side surface of the movable knife rod 13 and limiting friction in the moving cutting process of the movable knife rod 13, so that the blade pressing device is easy to replace and maintain.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (5)
1. A cutting knife driving device of a harvester comprises a lower cutting knife rest, a rocker arm, a knife rest beam and a lower cutting knife assembly, wherein the knife rest beam is fixed at the front end of the lower cutting knife rest, and the rocker arm is rotatably supported on the lower cutting knife rest; the cutting machine is characterized in that a lower cutting knife pull plate is fixed on the lower cutting knife assembly; one end of the rocker arm is a driving end, the other end of the rocker arm is a U-shaped end with a U-shaped groove, the U-shaped end corresponds to the upper part of the lower cutting knife pulling plate, and two opposite side walls in the U-shaped groove are respectively fixed with a wear-resistant block; convex strips are respectively arranged on two opposite side walls in the U-shaped groove, grooves matched with the convex strips are respectively arranged on the back surfaces of the two wear-resistant blocks, and the two wear-resistant blocks are respectively connected with two opposite side walls in the U-shaped groove through screws; a lower cutting knife swinging shaft is vertically fixed on the lower cutting knife pulling plate, the upper end of the lower cutting knife swinging shaft correspondingly extends into the U-shaped groove, and a wear-resistant sleeve is sleeved on the lower cutting knife swinging shaft and is simultaneously contacted with wear-resistant blocks on two sides in the U-shaped groove; the upper end of the oscillating shaft of the lower cutter is connected with a bolt, and a gasket is arranged between the nut of the bolt and the wear-resistant sleeve.
2. The cutter driving device of a harvester according to claim 1, wherein the lower cutter swing shaft is a stepped shaft having a small upper end and a large lower end, the lower end of the wear sleeve abuts against the step of the stepped shaft, and the upper end of the wear sleeve is flush with the upper end of the lower cutter swing shaft.
3. The cutter driving device of the harvester according to claim 1, wherein the lower cutter assembly comprises a movable cutter bar and a plurality of movable blades fixed on the movable cutter bar, the plurality of movable blades are distributed along the length direction of the movable cutter bar, and the pull plate of the lower cutter is riveted with the movable cutter bar.
4. The cutter drive of a harvester according to claim 3 wherein the upper end of the frame beam is secured to a blade holder and the lower end is secured to a blade guard, the lower cutter assembly being located between the blade holder and the blade guard.
5. The cutter driving device of a harvester according to claim 4, characterized in that a friction plate is fixed between the blade presser and the knife rest beam, and the friction plate is in contact with the movable knife bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840772.8U CN215223135U (en) | 2021-08-06 | 2021-08-06 | Cutting knife driving device of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840772.8U CN215223135U (en) | 2021-08-06 | 2021-08-06 | Cutting knife driving device of harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215223135U true CN215223135U (en) | 2021-12-21 |
Family
ID=79497419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121840772.8U Expired - Fee Related CN215223135U (en) | 2021-08-06 | 2021-08-06 | Cutting knife driving device of harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215223135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517648A (en) * | 2017-09-30 | 2017-12-29 | 中国水稻研究所 | Single cutter fish pond rice harvester |
-
2021
- 2021-08-06 CN CN202121840772.8U patent/CN215223135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517648A (en) * | 2017-09-30 | 2017-12-29 | 中国水稻研究所 | Single cutter fish pond rice harvester |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |