CN219741247U

CN219741247U - Edge protector with auxiliary harvesting function

Info

Publication number: CN219741247U
Application number: CN202320934911.6U
Authority: CN
Inventors: 杨美玲
Original assignee: Agricultural Machinery Development Center In Daiyue District Tai'an City
Current assignee: Agricultural Machinery Development Center In Daiyue District Tai'an City
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-09-26
Anticipated expiration: 2033-04-24

Abstract

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a blade protector with an auxiliary harvesting function. The cutter protector can play a role in assisting in harvesting in the cutting edge harvesting process, can change original unidirectional cutting into bidirectional cutting in the cutting edge reciprocating translation process in the cutter protector, has higher cutting speed and better cutting effect on wheat straw, and simultaneously avoids blocking the wheat straw or sundries between the cutting edge and the cutter protector, so that the harvester has high working efficiency and long service life.

Description

Edge protector with auxiliary harvesting function

Technical Field

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a blade protector with an auxiliary harvesting function.

Background

The wheat harvester comprises a chassis, a cutter, a cutting edge, a threshing roller, a granary main component and the like, and in the process of cutting wheat straws by utilizing the cutting edge which moves back and forth, the cutting edge is protected, meanwhile, the cutter protector is arranged on the outer side of the cutting edge for facilitating rapid harvesting of the wheat straws. The blade protector is convenient to push and divide the sliced wheat straw into a plurality of small pieces, and can provide a supporting effect for the wheat straw.

However, the common edge protector on the market at present is formed by casting pig iron, so that the edge protector has high brittleness, is extremely easy to break when touching hard objects in the harvesting process, does not have the function of assisting in harvesting, and can meet the condition that wheat stalks or sundries are blocked between the cutting edge and the edge protector to cause the cutting edge to move left and right.

In view of the foregoing, there is a need in the art for an improved guard that provides a guard with additional harvesting.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the blade protector which is reasonable in design, simple in structure, high in strength and has the auxiliary harvesting function, and is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a blade protector with auxiliary harvesting function is provided, which has a plurality of blade protectors and is sequentially arranged on a cutter beam of a harvester at intervals, the spacing distances between two adjacent blade protectors are the same,

the edge protector comprises an upper edge protector and a lower edge protector located under the upper edge protector, the upper edge protector comprises an upper tip part and an upper edge protector, the lower edge protector comprises a lower tip part and a lower edge protector, the upper tip part and the lower tip part are welded into a whole, and an active area of a cutting edge is synthesized between the upper edge protector and the lower edge protector, so that an auxiliary edge located above the lower edge protector and the cutting edge moving left and right form a openable shearing structure.

As a preferred embodiment, the upper guard portion includes an upper guard plate, an upper stay plate and an upper arch plate, the upper stay plate is located at an inner side of a junction between the upper guard plate and the upper arch plate, and the upper arch plate is located at a rear end of the upper guard plate.

As a preferred embodiment, the lower guard further includes a lower guard plate and a lower recess plate provided at a rear end of the lower guard plate.

As a preferred embodiment, the concave plate is located directly below the upper arch plate, the upper arch plate is circular arc-shaped and protrudes upward, and the concave plate is trapezoidal and concave downward.

As a preferred implementation mode, the auxiliary blade is U-shaped, the auxiliary blade comprises a connecting plate and auxiliary strips, the number of the auxiliary strips is two and symmetrically arranged at the left side and the right side of the connecting plate, and the auxiliary strips and the lower guard plate are welded into a whole.

As a preferable embodiment, the auxiliary strip forms a fixed knife of the shearing structure, the cutting edge capable of moving left and right forms a movable knife of the shearing structure, and the opening and closing movement of the auxiliary strip and the cutting edge cuts wheat straw.

As a preferred embodiment, the blade guard further comprises two rubber pads respectively padded at the connection points of the upper guard and the lower guard with the knife beam.

As a preferred embodiment, the upper tip portion and the lower tip portion are each in a triangular-pointed cone shape, and the inner and outer sides of the upper tip portion and the lower tip portion are each subjected to chamfering.

As a preferred embodiment, the upper guard edge, the lower guard edge and the auxiliary edge are all formed by adopting manganese steel plates through forging technology.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the utility model:

the cutter protector comprises an upper cutter protector, a lower cutter protector and an auxiliary cutter, wherein the auxiliary cutter is welded on the lower cutter protector and is positioned between the upper cutter protector and the lower cutter protector, the upper cutter protector of the upper cutter protector and the lower cutter protector of the lower cutter protector form a movable area for combining the cutting cutter with the auxiliary cutter, the cutting cutter which can move left and right becomes a movable cutter, and a cutting structure which can open and close is formed.

The upper guard edge, the lower guard edge and the auxiliary edge of the edge protector are all formed by processing manganese steel plates through a forging process, and the upper guard plate, the lower guard plate and the auxiliary edge are welded into a whole, so that compared with the traditional cast iron edge protector, the strength is higher, the cutting edge protector can avoid fracture conditions in the harvesting process, and can play a good and durable role in protecting the cutting edge.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:

FIG. 1 is a schematic view of the installation and use state structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional top view structure of the present utility model;

FIG. 3 is a schematic view showing a structure of the upper guard and the lower guard separated from each other;

fig. 4 is a schematic top view of the auxiliary blade of the present utility model.

In the figure:

1. an upper guard; 11. an upper tip portion; 12. an upper guard; 121. an upper guard board; 122. a supporting plate; 123. an upper arch plate; 2. a lower guard; 21. a lower tip portion; 22. a lower guard; 221. a lower guard board; 222. a concave plate; 3. an auxiliary blade; 31. a connecting plate; 32. auxiliary strips; 4. a rubber pad; 5. a knife beam; 6. cutting edge.

Detailed Description

The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:

as shown in fig. 1 to 4, the present utility model has a cutter guard with an auxiliary harvesting function, which has a plurality of cutter guards and is sequentially installed on a cutter beam 5 of a harvester at intervals, two adjacent cutter guards are spaced at the same distance,

the cutter protector comprises an upper cutter protector 1 and a lower cutter protector 2 positioned right below the upper cutter protector 1, the upper cutter protector 1 comprises an upper tip 11 and an upper cutter protector 12, the lower cutter protector 2 comprises a lower tip 21 and a lower cutter protector 22, the upper tip 11 and the lower tip 21 are welded into a whole, a movable area of a cutting edge 6 is synthesized between the upper cutter protector 12 and the lower cutter protector 22, an auxiliary cutter 3 positioned above the lower cutter protector 2 and the cutting edge 6 moving left and right form a foldable shearing structure, the whole cutter protector is a steel plate welded part, the strength of the cutter protector is higher than that of the cutter protector cast by original pig iron, and the cutter protector can avoid fracture when touching hard objects.

In a preferred embodiment, the upper guard 12 further includes an upper guard 121, an upper supporting plate 122 and an upper arch 123, the upper supporting plate 122 is located at the inner side of the junction between the upper guard 121 and the upper arch 123, the upper arch 123 is located at the rear end of the upper guard 121, and the upper guard 121 can be supported by the supporting plate 122 to avoid deformation.

In a preferred embodiment, on the basis of the above structure, the lower guard 22 further includes a lower guard 221 and a lower concave 222, the lower concave 222 is disposed at the rear end of the lower guard 221, and the auxiliary blade 3 and the cutting blade 6 can form a shearing structure capable of being opened and closed, so as to realize faster cutting of wheat straw.

In a preferred embodiment, in addition to the above structure, the concave plate 222 is further located directly below the upper arch plate 123, the upper arch plate 123 is circular arc-shaped and protrudes upward, and the concave plate 222 is trapezoidal and is concave downward.

As a preferred embodiment, on the basis of the above structure, further, the auxiliary blade 3 is a U-shape, the auxiliary blade 3 includes the connecting plate 31 and the auxiliary strips 32, the number of the auxiliary strips 32 is two and symmetrically located at the left and right sides of the connecting plate 31, the auxiliary strips 32 and the lower guard plates 221 are welded into a whole, and the auxiliary blade 3 can play a role of assisting in cutting wheat straw.

In a preferred embodiment, in addition to the above structure, teeth-shaped saw teeth are provided on the outer side of the auxiliary strip 32, and the saw-shaped auxiliary strip 32 can be used to accelerate cutting of wheat straw in cooperation with the cutting blade 6.

In the preferred embodiment, in addition to the above structure, the auxiliary strip 32 forms a fixed blade of the shearing structure, the cutting blade 6 which can move left and right forms a movable blade of the shearing structure, and the straw is cut by the opening and closing movement of the auxiliary strip 32 and the cutting blade 6, so that the straw cutting efficiency can be improved.

As a preferred embodiment, in addition to the above structure, the blade guard further includes two rubber pads 4, and the two rubber pads 4 are respectively laid at the connection points of the upper guard 12 and the lower guard 22 and the blade beam 5.

As a preferred embodiment, in addition to the above-described structure, further, the upper tip 11 and the lower tip 21 each have a triangular-tapered shape, and the inner and outer sides of the upper tip 11 and the lower tip 21 are each chamfered.

In a preferred embodiment, on the basis of the structure, the upper guard blade 1, the lower guard blade 2 and the auxiliary blade 3 are all made of manganese steel plates through forging technology, so that the guard has higher strength.

The working principle of the utility model is as follows:

when the improved cutter guard is used, the improved cutter guard is fixedly arranged on the cutter beam 5 of the harvester by utilizing bolts and nuts, the cutting edge 6 is positioned between the upper cutter guard 1 and the lower cutter guard 2, in the working process, the upper tip 11 and the lower tip 21 are utilized to be more convenient to insert between wheat straws, the wheat straws which are in slices are conveniently pushed and divided into a plurality of small slices to be conveniently cut, and the improved cutter guard is a steel plate welded part, and is different from the old cutter guard in the casting of raw iron, the improved cutter guard has higher strength, can avoid the fracture condition when touching hard objects, is convenient to provide good protection effect for the cutting edge 6, and is more durable and longer in service life;

in the process that the cutting edge 6 is reciprocally translated and cut in the improved cutter guard, the auxiliary strips 32 which are positioned on two sides of the connecting plate 31 and are provided with the tooth-shaped structures are utilized, so that wheat stalks can be cut in two directions from original unidirectional cutting, the cutting speed of the wheat stalks is faster, the cutting effect is better, and the improved cutter guard also has the function of auxiliary cutting.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.

Claims

1. The utility model provides a protect cutting edge ware with supplementary function of reaping, this protect cutting edge ware has a plurality ofly and installs on the knife beam (5) of harvester at intervals in proper order, and two adjacent protect cutting edge ware interval distance is the same, its characterized in that:

the edge protector comprises an upper edge protection (1) and a lower edge protection (2) arranged right below the upper edge protection (1), the upper edge protection (1) comprises an upper tip part (11) and an upper edge protection part (12), the lower edge protection (2) comprises a lower tip part (21) and a lower edge protection part (22), the upper tip part (11) and the lower tip part (21) are welded into a whole, and an active area of a cutting edge (6) is synthesized between the upper edge protection part (12) and the lower edge protection part (22), so that an auxiliary edge (3) arranged above the lower edge protection (2) and the cutting edge (6) which moves left and right form a stretchable shearing structure.

2. A blade guard with auxiliary harvesting as in claim 1, wherein: the upper protection part (12) comprises an upper guard plate (121), an upper supporting plate (122) and an upper arch plate (123), wherein the upper supporting plate (122) is positioned on the inner side of the joint of the upper guard plate (121) and the upper arch plate (123), and the upper arch plate (123) is positioned at the rear end of the upper guard plate (121).

3. A blade guard with auxiliary harvesting as in claim 1, wherein: the lower protection part (22) further comprises a lower protection plate (221) and a lower concave plate (222), and the lower concave plate (222) is arranged at the rear end of the lower protection plate (221).

4. A blade guard with auxiliary harvesting function as claimed in claim 3, wherein: the concave plate (222) is located right below the upper arch plate (123), the upper arch plate (123) is arc-shaped and protrudes upwards, and the concave plate (222) is trapezoid and concave downwards.

5. A blade guard with auxiliary harvesting function as claimed in claim 3, wherein: the auxiliary blade (3) is U-shaped, the auxiliary blade (3) comprises a connecting plate (31) and auxiliary strips (32), the number of the auxiliary strips (32) is two, the auxiliary strips are symmetrically located on the left side and the right side of the connecting plate (31), and the auxiliary strips (32) and the lower guard plate (221) are welded into a whole.

6. A blade guard with auxiliary harvesting as defined by claim 5, wherein: the outer side of the auxiliary strip (32) is provided with teeth-shaped saw teeth.

7. The blade guard with auxiliary harvesting function of claim 6, wherein: the auxiliary strip (32) forms a fixed cutter of the shearing structure, the cutting edge (6) capable of moving left and right forms a movable cutter of the shearing structure, and the straw is cut by the opening and closing movement of the auxiliary strip (32) and the cutting edge (6).

8. A blade guard with auxiliary harvesting as in claim 1, wherein: the blade protector further comprises two rubber pads (4), and the two rubber pads (4) are respectively paved at the joint of the upper protecting part (12) and the lower protecting part (22) and the knife beam (5).

9. A blade guard with auxiliary harvesting as in claim 1, wherein: the upper tip (11) and the lower tip (21) are both in a triangular pointed cone shape, and the inner side and the outer side of the upper tip (11) and the lower tip (21) are both subjected to chamfering treatment.

10. A blade guard with auxiliary harvesting as in claim 1, wherein: the upper guard edge (1), the lower guard edge (2) and the auxiliary edge (3) are all formed by adopting a manganese steel plate through forging technology.