阅读说明：本技术 一种手扶式油菜割晒机割茬高度调节机构 (Stubble height adjusting mechanism of walking rape cutter-rower ) 是由 李海同 沐森林 梁苏宁 吴崇友 王刚 江涛 关卓怀 金梅 张敏 汤庆 吴俊� 于 2019-11-13 设计创作，主要内容包括：本发明提供了一种手扶式油菜割晒机割茬高度调节机构,属于农业机械技术领域。本发明提供的手扶式油菜割晒机割茬高度调节机构,包括：安装架,固定设置在所述手扶式油菜割晒机底盘上；U形架,尾端固定设置在所述手扶式油菜割晒机底盘上,位于所述安装架上方且与所述安装架垂直；带齿滑轨,一端具有多个U形孔,另一端与所述安装架固定连接；卡套焊合件,套设在所述带齿滑轨上,固定设置在所述U形架中间；调节板焊合件,设置于所述卡套焊合件的一侧；U形卡,具有拉线；以及复位弹簧。本发明可依据不同工况调整割晒机割茬高度,提高油菜割晒机对不同特征油菜的适应性,提高作业效率,减小机手作业强度。(The invention provides a stubble height adjusting mechanism of walking type rape cutter-rower, belonging to the technical field of agricultural machinery, comprising an installation frame fixedly arranged on a chassis of the walking type rape cutter-rower, a U-shaped frame with the tail end fixedly arranged on the chassis of the walking type rape cutter-rower, a toothed slide rail with ends provided with a plurality of U-shaped holes, the other end fixedly connected with the installation frame, a clamping sleeve welding piece sleeved on the toothed slide rail and fixedly arranged in the middle of the U-shaped frame, an adjusting plate welding piece arranged on the side of the clamping sleeve welding piece, a U-shaped clamp with a pull wire and a return spring.)

1, kinds of hand-held rape cutter rower cuts stubble height control mechanism for adjust hand-held rape cutter rower cut stubble height, its characterized in that includes:

the mounting rack is fixedly arranged on the chassis of the walking type rape cutter-rower;

the tail end of the U-shaped frame is fixedly arranged on the chassis of the hand-held rape cutter-rower, is positioned above the mounting frame and is vertical to the mounting frame;

the end of the toothed sliding rail is provided with a plurality of U-shaped holes, and the other end of the toothed sliding rail is fixedly connected with the mounting rack;

the clamping sleeve welding piece is sleeved on the toothed sliding rail and fixedly arranged in the middle of the U-shaped frame;

the adjusting plate welding piece is arranged on the side of the clamping sleeve welding piece and is fixedly connected with the clamping sleeve welding piece;

a U-shaped clip, wherein the end is fixedly connected with the regulating plate welding piece, the end is provided with a pull wire, an

A return spring, wherein the end is fixedly connected with the U-shaped frame, the other end is fixedly connected with the adjusting plate welding piece,

the adjusting plate welding piece is provided with an adjusting shaft, and the size of the adjusting shaft is matched with the U-shaped hole.

2. The stubble height adjustment mechanism of a walk behind rape cutter-rower of claim 1, characterized in that:

wherein, the pull wire is fixedly connected with the frame of the walking type rape cutter-rower.

3. The stubble height adjustment mechanism of a walk behind rape cutter-rower of claim 1, characterized in that:

wherein, the mounting bracket includes:

the beam is rod-shaped;

the two base plates are respectively arranged at two ends of the cross beam and are provided with two mounting holes; and

and the two lug plates are arranged in the central position of the cross beam and are used for connecting the toothed sliding rail.

4. The stubble height adjustment mechanism of a walk behind rape cutter-rower of claim 1, characterized in that:

wherein the U-shaped frame comprises:

the two connecting arms are folded, the folding angles are obtuse angles, and ends of the two connecting arms are fixedly arranged on the hand-held rape cutter-rower;

the connecting shaft is arranged at the bending positions of the two connecting arms and is used for connecting the two connecting arms;

a suspension lug provided on of the connecting arms for connecting the return spring, and

and the two bolt sleeves are respectively arranged at the ends of the two connecting arms, which are far away from the walking type rape cutter-rower and fixedly arranged on the walking type rape cutter-rower, and are used for being connected with the clamping sleeve welding piece through a bolt combination.

5. The stubble height adjustment mechanism of a walk behind rape cutter-rower of claim 1, characterized in that:

wherein the adjustment plate weldment further comprises:

the adjusting plate is provided with a reset spring mounting hole and an adjusting plate positioning hole.

6. The stubble height adjustment mechanism of a walk behind rape cutter-rower of claim 5, characterized in that:

wherein, the cutting ferrule seam piece includes:

the clamping sleeve is provided with at least U-shaped holes matched with the U-shaped holes of the toothed sliding rail;

the shaft sleeve is arranged at the upper end of the clamping sleeve and is used for being connected with the U-shaped frame through a bolt combination; and

and the stud is used for penetrating through the adjusting plate positioning hole and is fixedly connected with the adjusting plate by using a locking nut.

7. The stubble height adjustment mechanism of a walk behind rape cutter-rower of claim 1, characterized in that:

wherein, the cutting ferrule seam piece with be provided with pressure spring between the regulating plate seam piece.

Technical Field

The invention relates to a stubble height adjusting mechanism of a walking type rape cutter-rower, belonging to the technical field of agricultural machinery.

Background

Rape is the main oil crop in China. The rape planting area and the yield of China are in the forefront of the world. At the present stage, the mechanized harvesting level of the rapes is lower, particularly, the cutting and sunning link of the segmented harvesting is finished manually, the problems of high working strength, low working efficiency, high labor cost and the like exist, and the planting time of the next stubble of crops is not influenced by the time of rush to the farm.

The rape cutter-rower is mainly divided into two types, wherein types are hung on a chassis of a tractor or a combine harvester with larger cutting width, the rape is conveyed and paved in the middle or at the side after being cut, and mechanisms such as a reel, a cutting device, a conveying device, a header lifting mechanism and the like are arranged on the cutter-rower in general.

Disclosure of Invention

The invention aims to solve the problems and provides stubble height adjusting mechanisms of a walking rape cutter-rower, which are used for adjusting the stubble height of the walking rape cutter-rower.

The invention provides an stubble height adjusting mechanism of a hand-held rape cutter-rower, which is characterized by comprising an installation frame, a U-shaped frame, a toothed sliding rail, a clamping sleeve welding piece, an adjusting plate welding piece, a U-shaped clamp, a return spring, an end and an end , wherein the installation frame is fixedly arranged on a chassis of the hand-held rape cutter-rower, the tail end of the U-shaped frame is fixedly arranged on the chassis of the hand-held rape cutter-rower, the clamping sleeve welding piece is positioned above the installation frame and is vertical to the installation frame, the end is provided with a plurality of U-shaped holes, the other end is fixedly connected with the installation frame, the clamping sleeve welding piece is sleeved on the toothed sliding rail and is fixedly arranged in the middle of the U-shaped frame, the adjusting plate welding piece is arranged on the side of the clamping sleeve welding piece and is fixedly connected with the clamping sleeve welding piece, the end is fixedly connected with the adjusting plate welding piece, the other end is provided with a pull wire, the return spring, the end.

The stubble height adjusting mechanism of the walking rape cutter-rower can also be characterized in that the pull wire is fixedly connected with the frame of the walking rape cutter-rower.

The stubble height adjusting mechanism of the hand-held rape cutter-rower can also be characterized in that the mounting frame comprises a cross beam in a rod shape, two backing plates respectively arranged at two ends of the cross beam and provided with two mounting holes, and two lug plates arranged at the center of the cross beam and used for connecting the toothed slide rail.

The cutting height adjusting mechanism of the hand-held rape cutter-rower can also be characterized in that the U-shaped frame comprises two connecting arms which are folded and have obtuse folding angles, ends of the two connecting arms are fixedly arranged on the hand-held rape cutter-rower, connecting shafts are arranged at the bending positions of the two connecting arms and are used for connecting the two connecting arms, lugs are arranged on of the connecting arms and are used for connecting the return springs, and two bolt sleeves are respectively arranged at ends of the two connecting arms, which are far away from the connecting arms and are fixedly arranged on the hand-held rape cutter-rower, and are used for being connected with the clamping sleeve welding piece through bolt combinations.

The stubble height adjusting mechanism of the walking rape cutter-rower can also be characterized in that the adjusting plate welding piece also comprises an adjusting plate which is provided with a return spring mounting hole and an adjusting plate positioning hole.

The stubble height adjusting mechanism of the hand-held rape cutter-rower can be further characterized in that the cutting sleeve welding part comprises a cutting sleeve, a shaft sleeve and a double-end stud, wherein the cutting sleeve is provided with at least U-shaped holes matched with the U-shaped holes of the toothed sliding rails, the shaft sleeve is arranged at the upper end of the cutting sleeve and used for being connected with the U-shaped frame through a bolt combination, and the double-end stud is used for penetrating through the positioning hole of the adjusting plate and fixedly connected with the adjusting plate through a locking nut.

The walking rape cutter-rower stubble height adjusting mechanism provided by the invention can also be characterized in that a compression spring is arranged between the clamping sleeve welding piece and the adjusting plate welding piece.

Action and Effect of the invention

According to the stubble height adjusting mechanism of the hand-held rape cutter-rower, the mechanism comprises a clutch, a toothed sliding rail, an adjusting plate welding part, a return spring, a cutting sleeve welding part, an installation frame, a U-shaped clamp, a compression spring and the like, the mechanism is installed on a track assembly through the installation frame, the toothed sliding rail is hinged to the middle position of the installation frame, the cutting sleeve welding part installed in the middle of the U-shaped frame is sleeved outside the sliding rail, the adjusting plate welding part is installed outside the cutting sleeve, an adjusting shaft and the return spring are installed on the adjusting plate, the height of the header is fixed, and the header is reset after the height adjustment is completed.

Drawings

FIG. 1 is a schematic view of the installation of a walk behind rape cutter-rower stubble height adjustment mechanism in an embodiment of the present invention;

FIG. 2 is an isometric view of a stubble height adjustment mechanism of the walk behind rape cutter-rower in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a stubble height adjustment mechanism of the walk behind rape cutter-rower in an embodiment of the present invention;

FIG. 4 is a schematic view of the adjusting plate weldment and U-shaped clamp of the stubble height adjusting mechanism of the walk behind rape cutter-rower in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a clamping sleeve welding piece of the stubble height adjusting mechanism of the walking rape cutter-rower in the embodiment of the invention; and

FIG. 6 is a schematic structural view of a U-shaped frame of a stubble height adjusting mechanism of the walking rape cutter-rower in the embodiment of the invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is specifically described below by combining the embodiment and the attached drawings.

< example >

FIG. 1 is a schematic view of the installation of a walk behind rape cutter-rower stubble height adjustment mechanism in an embodiment of the present invention.

As shown in FIG. 1, walking type rape cutter-rower comprises a clutch 110, a stubble height adjusting mechanism of the walking type rape cutter-rower, a walking type caterpillar chassis frame 210, a chassis frame 220, a triangular caterpillar assembly 230, a hanging frame 300, a rape harvesting platform 400 and a horizontal cutter assembly.

Wherein, the stubble height adjusting mechanism of the walking rape cutter-rower is fixed on the triangular crawler assembly 230 through the fastening bolt combination 1010.

FIG. 2 is an isometric view of a stubble height adjustment mechanism of a walk behind rape cutter-rower in an embodiment of the present invention.

FIG. 3 is a schematic structural view of a stubble height adjusting mechanism of the walking rape cutter-rower in an embodiment of the invention.

As shown in fig. 2-3, the stubble height adjusting mechanism of the walking rape cutter-rower comprises: mounting bracket 170, clevis bracket 180, ferrule weldment 160, toothed slide 130, adjustment plate weldment 140, clevis 190, and return spring 150.

The mounting bracket 170 includes a cross beam 1702, two pads 1701, and two ear panels 1703.

The beam 1702 is rod-shaped.

Two pads 1701 are fixedly attached to the ends of the beam 1702 and each have 4 mounting holes, and 4 sets of fastening bolt assemblies 1010 are used to secure the mounting bracket 170 to the v-track assembly 230 through the 4 holes.

Two ear plates 1703 are arranged at the center of the beam 1702 and are used for hinging the toothed slide rail 130 through a flat head pin 1002 of , and a tail end of the flat head pin is provided with a cotter pin 1001.

FIG. 6 is a schematic structural view of a U-shaped frame of a stubble height adjusting mechanism of the walking rape cutter-rower in the embodiment of the invention.

As shown in fig. 6, the U-shaped frame 180 includes two connecting arms 1801, a hanging lug 1802, a connecting shaft 1803, and two pin sleeves 1804.

The two connecting arms 1801 are folded, the folding angle is an obtuse angle, and ends of the two connecting arms are welded on the chassis frame 220.

Two ends of the connecting shaft 1803 are respectively arranged at the bending positions of the two connecting arms 1801, and are used for connecting the two connecting arms 1801.

A lug 1802 is welded to the right side connecting arm for mounting the end of the return spring 150.

Two pin sleeves 1804 are provided at the ends of the two connecting arms 1801, respectively, distal from welded to the chassis frame 220 for articulation with the ferrule welds 160 through a pin assembly.

The toothed rail 130 has 5U-shaped holes at its end and at its end is hinged to the two ear plates 1703 by a flat head pin 1002.

FIG. 5 is a schematic structural view of a clamping sleeve welding piece of the stubble height adjusting mechanism of the walking rape cutter-rower in the embodiment of the invention.

As shown in fig. 5, ferrule weldment 160 includes: a ferrule 1601, a bushing 1602, and a stud 1603.

The cutting sleeve 1601 is sleeved on the toothed sliding rail 130, the cutting sleeve 1601 is provided with U-shaped holes, the size of the U-shaped holes is the same as that of the U-shaped holes on the toothed sliding rail 130, and when the cutting sleeve 1601 is installed, the U-shaped holes are matched with the U-shaped holes of the toothed sliding rail 130.

A boss 1602 is provided above the ferrule 1601 for passage of the pin 1005, which cooperates with the pin boss of the U-shaped frame 180 to hinge the ferrule weldment 160 to the U-shaped frame 180. The end of the plug 1005 has a second cotter pin 1006.

A stud 1603 is disposed below the ferrule 1601 for securing the adjustment plate weldment 140.

FIG. 4 is a schematic view of the adjusting plate weldment and U-shaped clamp of the stubble height adjusting mechanism of the walk behind rape cutter-rower in an embodiment of the present invention.

As shown in fig. 4, the adjustment plate seam 140 includes an adjustment shaft 1401 and an adjustment plate 1402.

The adjusting shaft 1401 is perpendicular to the adjusting plate 1402, and the size of the adjusting shaft 1401 is matched with the size of the U-shaped hole of the toothed sliding rail 130. In practical use, the stubble height is adjusted by adjusting the adjusting shaft 1401 to be embedded into different U-shaped holes.

Adjusting plate 1402 has a return spring mounting hole at its end and an adjusting plate positioning hole in its middle for stud 1603 to pass through and lock nut 1008 to secure adjusting plate 1402 to stud 1603. another has a U-shaped clip hinged thereto. a hold-down spring 1009 is also located between adjusting plate 1402 and ferrule weldment 140.

As shown in FIG. 4, U-shaped clamp is hinged to adjustment plate 102 at one end by a second flat head pin 1003. the second flat head pin 1003 has a third open pin 1004 at the tail end, and a pull wire 120 is mounted at the other end , and the other end of pull wire 120 is connected to the end of the pull rod of clutch 110.

The end of the return spring 150 is connected to the hanging ear 1802, and the other end is connected to the mounting hole of the return spring of the adjusting plate 1402.

In the actual use process, the use method of the stubble height adjusting mechanism of the walking type rape cutter-rower provided by the embodiment is as follows:

when the cutter-rower normally works, the adjusting shaft 1401 is embedded into the U-shaped holes of the toothed slide rail 130 and the cutting sleeve 1601 under the action of the pressing spring 1009, so that the stubble height of the cutter-rower is kept.

When the height of the cut stubble needs to be adjusted, the clutch 110 is pulled to drive the pull wire 120 and the U-shaped clamp, drives the adjusting plate welding piece 140 to rotate, the adjusting shaft 1401 rotates along with the adjusting plate welding piece 140 to be separated from the U-shaped hole, the matching position of the toothed slide rail 130 and the clamping sleeve 1601 is manually adjusted, the clutch 120 is released after the height of the cut stubble is adjusted to the required height, the adjusting plate welding piece 140 returns under the action of the reset spring 150, and the adjusting shaft 1401 is embedded in the U-shaped holes of the toothed slide rail 130 and the clamping sleeve 1601 again, so that the height of the cut stubble is changed.