CN213427073U - Angle-adjustable cutting knife device for first-stubble rice - Google Patents

Abstract

The utility model provides a cutting knife device with adjustable an angle for first crop rice, include: drive mechanism, cutter roof beam and cutting knife angle adjustment mechanism, drive mechanism is with power transmission to cutter roof beam, angle adjustment mechanism includes the cutter roof beam connection piece, angle adjustment piece and first bolt and second bolt, be equipped with first through-hole and second through-hole on the cutter roof beam connection piece, be equipped with third through-hole and arc logical groove on the angle adjustment piece, the angle adjustment piece is installed under the header on the stiffening beam, the cutter roof beam connection piece is installed on the cutter roof beam, first bolt stretches into to first through-hole and third through-hole, the second bolt stretches into to second through-hole and arc spout, first bolt and second bolt pass through the nut and tighten, when carrying out angle adjustment, loosen the nut, the cutter roof beam connection piece can rotate around first bolt, the arc spout slip can be followed to the second bolt, the utility model discloses can adjust the angle between cutting knife and the ground.

Description

Angle-adjustable cutting knife device for first-stubble rice

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a cutting knife device with adjustable angle for first stubble rice.

Background

The first season rice is called first cropping rice, when the first season rice is mature, some axillary buds are generated, after the first season rice is harvested, the axillary buds are kept, and on the basis of the original root system, the axillary buds grow again and are spiced.

The prior art discloses a combine harvester of first season ratoon rice, leave a stubble cutting knife device and control method including the multilayer segmentation of first season ratoon rice, this utility model realizes that the height of header can be adjusted through adjusting header overall structure, but at the in-process of adjusting, the cutting knife is along with header whole lift, can produce the problem that the cutting knife is not parallel with ground, produces the cutting deviation, and the regeneration stubble of ratoon rice is hindered by mistake, and cutting knife every single move angle is too big in addition, can lead to piling up a large amount of stalks on the cutting knife roof beam, increases the consumption.

SUMMERY OF THE UTILITY MODEL

To the existence not enough among the prior art, the utility model provides a cutting knife device with adjustable angle for first crop rice can adjust the angle between cutting knife and the ground.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

An angularly adjustable cutter device for first crop rice for use in a header comprising a header lower stiffening beam, the cutter device comprising: a transmission mechanism, a cutter beam and a cutter angle adjusting mechanism, wherein the transmission mechanism transmits power to the cutter beam, the angle adjusting mechanism comprises a knife beam connecting piece, an angle adjusting piece, a first bolt and a second bolt, the knife beam connecting piece is provided with a first through hole and a second through hole, the angle adjusting piece is provided with a third through hole and an arc-shaped through groove, the angle adjusting sheet is arranged on the lower stiffening beam of the header, the knife beam connecting sheet is arranged on the knife beam, the first bolt extends into the first through hole and the third through hole, the second bolt extends into the second through hole and the arc-shaped through groove, the first bolt and the second bolt are screwed through the nut, when the angle is adjusted, the nut is loosened, the knife beam connecting piece can rotate around the first bolt, and the second bolt can slide along the arc-shaped through groove.

Further, drive mechanism includes swing ring case, swing arm and parallel support, the swing ring case is installed in the frame of header, the top of swing arm with the end fixed connection that stretches out of swing ring case, the bottom of swing arm with parallel leg joint, parallel support with the cutting knife roof beam is connected.

Furthermore, the transmission mechanism further comprises a joint bearing and a transmission connecting sheet, one end of the parallel support is connected with the bottom end of the swing arm, the joint bearing is arranged at the other end of the parallel support, the transmission connecting sheet is installed on the cutter beam, and the shaft end extending out of the transmission connecting sheet is connected with the joint bearing.

Furthermore, the top end of the swing arm and the extending end of the swing ring box are fixedly connected through a bolt clamp.

Further, the cutting knife device still includes the cutting knife and arranges the grass device, the grass device is arranged to the cutting knife includes pivot, pivot connection piece and a plurality of grass poking rod group, and is a plurality of grass poking rod group installs in the pivot, grass poking rod group contains a plurality of edges the grass poking rod that pivot circumference distributes, the pivot connection piece install in on the cutter roof beam, the pivot rotationally install in on the pivot connection piece, and with the cutter roof beam is parallel.

Furthermore, the grass poking rod is arranged along the radial direction of the rotating shaft.

Furthermore, the number of the cutting knife angle adjusting mechanisms is two, and the two cutting knife angle adjusting mechanisms are respectively positioned at two ends of the cutting knife beam.

The utility model has the advantages that:

1) the utility model discloses set up cutting knife angle adjustment mechanism under cutting knife roof beam and header between the stiffening beam, can adjust the cutting knife angle in real time through cutting knife angle adjustment mechanism, make the cutting knife can keep a comparatively reasonable angle that gets with ground, reduce cutting error and the accumulational problem of stem stalk, improve cutting efficiency.

2) The utility model discloses a drive mechanism is small, power output shaft is shorter, power output stability is good, the integrated level is high, and the installation is swiftly convenient to through using joint bearing cooperation cutting knife angle adjustment mechanism, make it realize the angle slope more easily.

3) The utility model discloses a set up grass discharging device and solve the header when angle modulation, the accumulational problem of stem stalk on the cutter roof beam increases row's grass speed.

Drawings

Fig. 1 is a schematic structural view of an angle-adjustable cutting knife device for first-crop rice according to the present invention;

FIG. 2 is a schematic structural view of a cutting knife angle adjusting mechanism in FIG. 1;

fig. 3 is a schematic view of the position of the cutter device in the header of fig. 1.

1. A swing ring box; 2. swinging arms; 3. a parallel support; 301. a knuckle bearing; 302. a transmission connecting sheet; 4. cutting the cutter beam; 5. a cutting knife adjusting device; 501. connecting the cutter beam; 502. an angle adjusting sheet; 503. a first bolt; 504. a second bolt; 6. a header lower stiffening beam; 7. a grass discharging device with a cutting knife.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes a cutting knife device with adjustable angle for first crop rice according to an embodiment of the present invention with reference to the accompanying drawings.

Referring to fig. 1 to 3, an angle-adjustable cutting knife device for first crop rice according to an embodiment of the present invention includes a transmission mechanism, a cutting knife beam 4, a cutting knife angle adjustment mechanism 5, and a cutting knife grass discharging device 7.

Specifically, as shown in fig. 2, the angle adjusting mechanism 5 includes a knife beam connecting piece 501, an angle adjusting piece 502, a first bolt 503 and a second bolt 504, the knife beam connecting piece 501 includes a first surface and a second surface in L shape, the first surface is fixedly connected with the cutting knife beam 4, the second surface is provided with a first through hole and a second through hole, the angle adjusting piece 502 is in half-i shape and has a third surface, a fourth surface and a fifth surface which are connected in sequence, wherein the third surface and the fifth surface are parallel to each other, the fifth surface is fixed on the lower stiffening beam 6 of the header, the third surface is provided with a third through hole and an arc-shaped through groove, the first bolt 503 extends into the first through hole and the third through hole, the second bolt 504 extends into the second through hole and the arc-shaped through groove, the first bolt 503 and the second bolt 504 are screwed by nuts, so that the connection between the cutter beam 4 and the header lower stiffening beam 6 is realized. The two angle adjusting mechanisms 5 in this embodiment are respectively disposed at two ends of the cutter beam 4. When angle adjustment is carried out, the nut is loosened, the first bolt 503 is used as a rotating rod, the knife beam connecting sheet 501 rotates relative to the angle adjusting sheet 502, the second bolt 504 slides to a proper angle along the arc-shaped groove and is screwed up and fixed by the nut, so that the cutting knife and the ground keep a reasonable angle, the problem of cutting errors and accumulation of stalks is reduced, and the cutting efficiency is improved.

As shown in fig. 1, drive mechanism includes swing ring case 1, swing arm 2, parallel support 3, joint bearing 301 and transmission connection piece 302, and swing ring case 1 is installed in the header side, becomes rotary motion reciprocating motion, the top of swing arm 2 pass through the bolt clamp with swing ring case 1 stretch out end fixed connection, the bottom of swing arm 2 with parallel support 3's one end is connected, parallel support 3's the other end is provided with joint bearing 301 and connects, transmission connection piece 302 is installed on the cutter beam 4, the axle head that transmission connection piece 302 stretches out with joint bearing 301 connects. Through setting up drive mechanism and realizing the reciprocating motion of cutter roof beam 4 to through setting up joint bearing, when carrying out angle modulation, can guarantee not to interfere between cutter roof beam 4 and the header frame.

As shown in fig. 1, the grass discharging device 7 of the cutting knife in this embodiment includes a rotating shaft, a rotating shaft connecting piece and a plurality of grass poking rod sets, the grass poking rod sets are installed on the rotating shaft, each grass poking rod set includes a plurality of grass poking rods distributed along the circumferential direction of the rotating shaft, the rotating shaft connecting piece is welded on the cutting knife beam 4, and the rotating shaft is rotatably installed on the rotating shaft connecting piece through a bearing and is parallel to the cutting knife beam 4. The cutting knife grass discharging device 7 in the embodiment solves the problem that stalks are accumulated on the cutting knife beam 4 when the cutting table is adjusted in angle, and increases the grass discharging speed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (7)

1. An angularly adjustable cutter device for first crop rice, for application in a header comprising a header lower stiffening beam (6), characterized in that the cutter device comprises: the cutting knife comprises a transmission mechanism, a cutting knife beam (4) and a cutting knife angle adjusting mechanism (5), wherein the transmission mechanism transmits power to the cutting knife beam (4), the angle adjusting mechanism (5) comprises a cutting knife beam connecting piece (501), an angle adjusting piece (502), a first bolt (503) and a second bolt (504), the cutting knife beam connecting piece (501) is provided with a first through hole and a second through hole, the angle adjusting piece (502) is provided with a third through hole and an arc-shaped through groove, the angle adjusting piece (502) is installed on the lower stiffening beam (6) of the cutting table, the cutting knife beam connecting piece (501) is installed on the cutting knife beam (4), the first bolt (503) extends into the first through hole and the third through hole, the second bolt (504) extends into the second through hole and the arc-shaped through groove, and the first bolt (503) and the second bolt (504) are screwed through nuts, when the angle is adjusted, the nut is loosened, the knife beam connecting piece (501) can rotate around the first bolt (503), and the second bolt (504) can slide along the arc-shaped through groove.

2. The cutting knife device with the adjustable angle for first crop rice as claimed in claim 1, characterized in that the transmission mechanism comprises a pendulum ring box (1), a pendulum arm (2) and a parallel bracket (3), the pendulum ring box (1) is mounted on the frame of the header, the top end of the pendulum arm (2) is fixedly connected with the extending end of the pendulum ring box (1), the bottom end of the pendulum arm (2) is connected with the parallel bracket (3), and the parallel bracket (3) is connected with the cutting knife beam (4).

3. The cutting knife device with the adjustable angle for first crop rice as claimed in claim 2, characterized in that the transmission mechanism further comprises a joint bearing (301) and a transmission connecting piece (302), one end of the parallel bracket (3) is connected with the bottom end of the swing arm, the joint bearing (301) is arranged at the other end of the parallel bracket (3), the transmission connecting piece (302) is installed on the cutting knife beam (4), and the extended shaft end of the transmission connecting piece (302) is connected with the joint bearing (301).

4. The cutting knife device with adjustable angle for first crop rice as claimed in claim 2, characterized in that the top end of the swing arm (2) is fixedly connected with the protruding end of the swing ring box (1) by bolt and clamp.

5. The angularly adjustable cutting knife device for first crop rice as claimed in claim 1, characterized in that the cutting knife device further comprises a cutting knife grass discharging device (7), the cutting knife grass discharging device (7) comprises a rotating shaft, a rotating shaft connecting piece and a plurality of grass poking rod sets, a plurality of grass poking rod sets are mounted on the rotating shaft, the grass poking rod sets comprise a plurality of grass poking rods distributed circumferentially along the rotating shaft, the rotating shaft connecting piece is mounted on the cutting knife beam (4), and the rotating shaft is rotatably mounted on the rotating shaft connecting piece and is parallel to the cutting knife beam (4).

6. The angularly adjustable cutting knife device for first crop rice as claimed in claim 5, characterized in that the straw poking bar is arranged in the radial direction of the rotation shaft.

7. The cutting knife device with adjustable angle for first crop rice as claimed in claim 1, characterized in that the number of the cutting knife angle adjusting mechanisms (5) is two, respectively located at both ends of the cutting knife beam (4).

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