CN217825997U

CN217825997U - Header profiling device of corn combine harvester

Info

Publication number: CN217825997U
Application number: CN202221305217.XU
Authority: CN
Inventors: 成东江; 姚志军; 马玉松; 张玉川; 鲍清校; 吴波; 李敬东
Original assignee: Shijiazhuang Tian Ren Agricultural Machinery Equipment Co ltd
Current assignee: Shijiazhuang Tian Ren Agricultural Machinery Equipment Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-18
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a maize combine header profile modeling device, including the sensor mount pad, be equipped with angle sensor on the sensor mount pad and install the swivel mount through the pivot, angle sensor's input with the pivot is pegged graft articulated on the swivel mount have lower branch and be equipped with the torsional spring, and the torsional spring both ends clamp respectively under on branch and the swivel mount, make the lower branch sticis in setting up in the U type opening of swivel mount lower extreme. The beneficial effects are that: the device can automatically feed back an angle signal to a harvester control system according to the fluctuation change of the field ground, so that the harvester control system can automatically adjust the height of the cutting table according to feedback data, ensure that the stubble height is basically consistent during harvesting operation, ensure the harvesting quality of corn and avoid the waste of grain; the labor intensity of operators is reduced; avoid the header to shovel soil and cause the header to damage, properly solve unevenness landmass crop high quality results problem.

Description

Header profiling device of corn combine harvester

Technical Field

The utility model belongs to the field of agricultural machinery, in particular to a header profiling device of a corn combine harvester.

Background

At present, when large and medium-sized corn combine harvesters harvest fields such as fields, ground height fluctuation, hillside slopes and the like, the distance between the header and the ground is visually observed by operators, and the relative distance between the header and the ground, namely the height of the header, is controlled by frequently operating a lifting operating lever. Operating personnel works on one side, controls the height of the cutting table through manual operation on the other side, so that frequent operation not only causes low cutting efficiency and poor operation effect, but also causes fatigue of operators and frequent misoperation. The mode of controlling the height of the header by visual inspection and experience has great limitation, and if the header meets the slope and the inclined ground of a hillside, the header cannot incline along with the ground, so that the grain loss is serious; if meet the foreign matter in the plot, can cause the header to damage, cause the loss for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a header profile modeling device of a corn combine harvester is provided, the height of the header can be automatically controlled according to the fluctuation of the ground of a field, and the height of stubble cutting is basically consistent when harvesting operation is guaranteed.

The technical scheme of the utility model as follows:

the utility model provides a maize combine header profile modeling device, includes the sensor mount pad, is equipped with angle sensor on the sensor mount pad and installs the swivel mount through the pivot, angle sensor's input with the pivot is pegged graft articulated on the swivel mount have down branch and be equipped with the torsional spring, and the torsional spring both ends are blocked respectively on branch and swivel mount down, make the lower branch sticis in setting up in the U type opening of swivel mount lower extreme.

Preferably, the rotating frame is h-shaped with a sealed lower end, two bosses are symmetrically arranged on two sides in the rotating frame, and the upper end of the lower support rod is hinged between the two bosses through screws.

Preferably, the two torsion springs are respectively sleeved on the bosses at two sides in the rotating frame.

Preferably, the upper end of the rotating frame is inserted into a notch on one side of the sensor mounting seat and is connected with the rotating shaft through a penetrating pin, and two ends of the rotating shaft are mounted in the sensor mounting seat through shaft sleeves.

Preferably, a limiting boss is arranged at the upper end of the rotating frame, a wedge-shaped limiting clamping plate is arranged on the rear side of the notch on the sensor mounting seat, and when the rotating frame rotates clockwise to be vertical or close to vertical to the upper end face of the sensor mounting seat, the limiting boss is clamped on the upper end face of the limiting clamping plate and used for limiting when the rotating frame turns downwards; when the rotating frame rotates anticlockwise to be close to 45 degrees with the upper end face of the sensor mounting seat, the rotating frame is clamped on the inner side of the limiting clamping plate and used for limiting when the rotating frame turns upwards.

As a further preference, the upper end of the sensor mounting seat is provided with a connecting plate surface and a connecting hole for being flatly attached and fixed on the connecting frame of the divider.

Preferably, the lower end of the lower support rod is an arc shape bent backwards and upwards so as to be convenient to attach to the ground during operation.

The utility model has the advantages that:

1. the lower end of the lower supporting rod is attached to the ground during operation, rotates along with the concave-convex and inclined change conditions of the ground surface, drives the angle sensor to rotate through the rotating frame, outputs a rotation angle signal to a control system of the corn combine harvester, further controls the hydraulic cylinder of the header to act, properly lowers or lifts the header of the corn combine harvester, and realizes the profiling of the ground, so that the device can automatically control the height of the header according to the fluctuation change of the ground of a field, ensures the basic consistency of the stubble height during harvesting operation, ensures the harvesting quality of the corn, and avoids the waste of grains; the labor intensity of operators is reduced; the damage of the cutting table caused by soil shoveling of the cutting table is avoided, and the problem of high-quality harvesting of crops in uneven plots is properly solved.

2. Because the torsional spring both ends block respectively on lower branch and swivel mount, make lower branch sticis in setting up in the U type opening of swivel mount lower extreme, consequently can furthest avoid lower branch clockwise to overturn the swivel mount before when the complete machine backs a car, even the complete machine backs a car the time lower branch clockwise turn to the swivel mount before, control the header lift up back lower branch also self return under the torsional spring effect, ensure reliable operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2.

Fig. 5 is a perspective view of the present invention.

In the figure: the sensor mounting base comprises a sensor mounting base 1, a notch 101, a limiting clamping plate 102, a connecting plate surface 103, a rotating shaft 2, a rotating frame 3, a U-shaped opening 301, a boss 302, a limiting boss 303, a screw 4, a lower support rod 5, a torsion spring 6, an angle sensor 7 and a through pin 8.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-5, the utility model relates to a header copying device of corn combine, including sensor mount pad 1, there is angle sensor 7 and install rotatable swivel mount 3 through hollow pivot 2 through the fix with screw on sensor mount pad 1, install in sensor mount pad 1 through the axle sleeve at 2 both ends of pivot, angle sensor 7's input be flat head and with pivot 2 is through clearance fit grafting transmission.

The sensor mounting seat is characterized in that the rotating frame 3 is of an h shape with a sealed lower end, a U-shaped opening 301 is formed in the middle of the lower end of the rotating frame 3, the upper end of the rotating frame 3 is inserted into a notch 101 in one side of the sensor mounting seat 1 and is connected with the rotating shaft 2 through a through pin 8 arranged along the radial direction, a lower supporting rod 5 is hinged to the rotating frame 3, a torsion spring 6 is arranged on the rotating frame 3, two ends of the torsion spring 6 are clamped on the lower supporting rod 5 and the rotating frame 3 respectively, and the lower supporting rod 5 is tightly pressed in the U-shaped opening 301 in the lower end of the rotating frame 3.

Two bosses 302 are symmetrically arranged on two sides in the rotating frame 3, and a bending part is arranged at the upper end of the lower supporting rod 5 and is hinged between the two bosses 302 through a screw 4. The number of the torsion springs 6 is two, the torsion springs are respectively sleeved on the bosses 302 at two sides in the rotating frame 3, two insertion holes are radially arranged on the lower support rod 5 close to the bending part, and the inner ends of the torsion springs 6 are respectively clamped in the corresponding insertion holes.

A limiting boss 303 is arranged at the upper end of the rotating frame 3, a wedge-shaped limiting clamping plate 102 is arranged at the rear side of the notch 101 on the sensor mounting seat 1, and when the rotating frame 3 rotates clockwise to be vertical or nearly vertical to the upper end face of the sensor mounting seat 1, the limiting boss 303 is clamped on the upper end face of the limiting clamping plate 102 to realize limiting when the rotating frame turns downwards; when the rotating frame 3 rotates anticlockwise to be close to 45 degrees with the upper end face of the sensor mounting seat 1, the rotating frame 3 is clamped on the inner side of the limiting clamping plate 102 and used for limiting when the rotating frame turns upwards.

The upper end of the sensor mounting seat 1 is provided with a connecting plate surface 103 and two connecting holes for being flatly attached and fixed on the connecting frame of the divider. The lower end of the lower supporting rod 5 is in an arc shape which is bent towards the back and the upper part, so that the lower supporting rod can be attached to the ground conveniently during operation.

When the profiling device is used, three groups of profiling devices of the header of the corn combine harvester are arranged on the divider at the front end of the corn header, and each group of profiling devices are respectively fixed on divider connecting frames below the left divider, the divider and the right divider through the sensor mounting seat 1 by using bolts. After the harvesting table is mounted, the harvesting table is adjusted to a normal harvesting angle, and the nearside dividers are adjusted to ensure that the lower supporting rods 5 can drive the angle sensors 7 to rotate.

When the corn harvester encounters the ground of a concave or convex field block and an inclined surface block in the operation process, the lower support rod 5 and the rotating frame 3 are turned downwards by self weight or turned upwards under the action of the ground, so that the lower support rod 5 and the rotating frame 3 rotate along the rotating shaft 2 to drive the angle sensor 7 to rotate and output a rotation angle signal to a control system of the corn combine harvester, the harvester control system can control the hydraulic cylinder of the header to eject or retract according to feedback data, the header of the harvester is properly lowered or jacked, the profiling on the ground is realized, the stubble cutting height is basically consistent during harvesting operation, and the header is prevented from shoveling soil.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a maize combine header copying device, includes the sensor mount pad, characterized by: the sensor mounting seat is provided with an angle sensor and a rotating frame is mounted through a rotating shaft, the input end of the angle sensor is connected with the rotating shaft in an inserting mode, a lower supporting rod is hinged to the rotating frame and provided with a torsion spring, and two ends of the torsion spring are clamped on the lower supporting rod and the rotating frame respectively, so that the lower supporting rod is tightly pressed in a U-shaped opening formed in the lower end of the rotating frame.

2. A header profiling device of a corn combine harvester according to claim 1, which is characterized in that: the rotary frame is of an h shape with a sealed lower end, two bosses are symmetrically arranged on two sides in the rotary frame, and the upper end of the lower support rod is hinged between the two bosses through screws.

3. The profiling device of the header of the corn combine harvester as claimed in claim 2, which is characterized in that: the two torsion springs are respectively sleeved on the bosses at the two sides in the rotating frame.

4. The profiling device of the header of the corn combine harvester as claimed in claim 2, which is characterized in that: the upper end of the rotating frame is inserted into a notch on one side of the sensor mounting seat and is connected with the rotating shaft through a penetrating pin, and two ends of the rotating shaft are mounted in the sensor mounting seat through shaft sleeves.

5. A header profiling device of a corn combine harvester according to claim 2 or 4, characterized in that: the upper end of the rotating frame is provided with a limiting boss, the rear side of a notch on the sensor mounting seat is provided with a wedge-shaped limiting clamping plate, and when the rotating frame rotates clockwise to be vertical or close to vertical to the upper end face of the sensor mounting seat, the limiting boss is clamped on the upper end face of the limiting clamping plate and used for limiting when the rotating frame turns downwards; when the rotating frame rotates anticlockwise to be close to 45 degrees with the upper end face of the sensor mounting seat, the rotating frame is clamped on the inner side of the limiting clamping plate and used for limiting when the rotating frame turns upwards.

6. The profiling device of the header of the corn combine harvester as claimed in claim 1, which is characterized in that: the upper end of the sensor mounting seat is provided with a connecting plate surface and a connecting hole for being flatly attached and fixed on the connecting frame of the divider.

7. A header profiling device of a corn combine harvester according to claim 1, which is characterized in that: the lower end of the lower support rod is in an arc shape which is bent towards the back upper side, so that the lower support rod can be attached to the ground conveniently during operation.