CN217088689U - Ear picking paired rollers and ear picking mechanism for efficient straw feeding - Google Patents

Abstract

The utility model discloses a snapping roll pair for high-efficiency straw feeding, which comprises a snapping roll I and a snapping roll II, wherein the snapping roll I and the snapping roll II are both in transmission connection with a gearbox, and the rotation directions of the snapping roll I and the snapping roll II are opposite; the first snapping roll and the second snapping roll both comprise a shaft tube assembly, a snapping roll shaft bush box and a guide cone head, the snapping roll shaft bush box is arranged at the front end of the shaft tube assembly, and the guide cone head is arranged at the front end of the snapping roll shaft bush box; the lengths of the first snapping roll and the second snapping roll in the axial direction are the same, and the lengths of the guide cone head of the first snapping roll and the guide cone head of the second snapping roll in the axial direction are different. The utility model has the advantages that the helical ribs are uniformly distributed on the whole snapping roll, thus avoiding the defect that the straw has no helical rib function at the position of the guide cone head and being beneficial to feeding the straw; the ear picking roller shaft bushing boxes of the first ear picking roller and the second ear picking roller are arranged in a staggered mode, so that the effect of spiral ribs on the whole process of the clearance motion of the straws between the first ear picking roller and the second ear picking roller is guaranteed, and the feeding of the straws is further facilitated.

Description

Ear picking paired rollers and ear picking mechanism for efficient straw feeding

Technical Field

The utility model relates to a maize picker field especially relates to a high-efficient feeding of straw pluck ear of grain pair roller and pluck ear of grain mechanism.

Background

A corn harvester is an agricultural machine for picking and collecting corn ears, which picks the ears on corn stalks by using an ear header at the front end of a vehicle body and conveys the picked corn ears to a large elevator. The ear picking mechanism of the corn ear header generally adopts a left long seedling pulling chain and a right long seedling pulling chain to pull and feed corn stalks and convey corn ears picked by the ear picking roller to an inlet of a large elevator. In the ear picking mechanism in the prior art, the spiral leading-in ribs on the periphery are discontinuous and incomplete, and straws are not easy to enter a gap between ear picking paired rollers and are not beneficial to feeding of the straws.

Therefore, how to provide a snapping double-roll with good straw feeding effect is one of the problems which need to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model discloses a following technical scheme:

the ear picking paired rollers for efficiently feeding the straws comprise a first ear picking roller and a second ear picking roller, wherein the first ear picking roller and the second ear picking roller are both in transmission connection with an output shaft at the front end of a gearbox, and the rotation directions of the first ear picking roller and the second ear picking roller are opposite;

the ear picking roller I and the ear picking roller II respectively comprise an axle tube assembly, an ear picking roller axle bush box and a guide cone head, the ear picking roller axle bush box is arranged at the front end of the axle tube assembly, and the guide cone head is arranged at the front end of the ear picking roller axle bush box;

the lengths of the first snapping roll and the second snapping roll in the axial direction are the same, and the lengths of the guide cone head of the first snapping roll and the guide cone head of the second snapping roll in the axial direction are different.

Preferably, the ear picking roller shaft bush boxes of the first ear picking roller and the second ear picking roller shaft bush boxes of the second ear picking roller are arranged in a staggered mode in the axial direction.

Preferably, a guide cone head spiral rib is fixedly arranged on the outer side of the guide cone head.

Preferably, the outside of central siphon assembly is provided with central siphon spiral muscle wholly.

Preferably, the ear picking paired rollers further comprise a plurality of ear picking roller blades, and the ear picking roller blades are circumferentially and uniformly arranged on the shaft tube assembly.

Preferably, the outside of central siphon assembly is fixed and is provided with central siphon spiral muscle, and central siphon spiral muscle is located snapping roll blade front end.

Preferably, the conical head guiding spiral ribs on the first snapping roll and the conical head guiding spiral ribs on the second snapping roll are alternately arranged;

and/or the shaft tube spiral ribs on the first snapping roll and the shaft tube spiral ribs on the second snapping roll are alternately arranged.

Preferably, the front ends of the first snapping roll and the second snapping roll are respectively provided with a straw guide plate, the upper end of the straw guide plate is fixedly arranged at the lower end of the snapping support, and the straw guide plate is obliquely arranged.

The utility model also provides a snapping mechanism, which comprises a snapping bracket;

the gearbox is arranged at the rear end of the ear picking bracket;

the reel mechanism is arranged at the upper end of the ear picking bracket;

the ear picking paired rollers are arranged at the lower end of the ear picking bracket.

Preferably, the first snapping roll is a high snapping roll, the second snapping roll is a low snapping roll, the low snapping roll is relatively close to the small elevator, and the high snapping roll is relatively far away from the small elevator.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model discloses the outside of central siphon assembly not only is provided with central siphon spiral muscle, still sets up in the outside of leading the conical head and leads conical head spiral muscle for the spiral muscle has been put to the overall equipartition of snapping roll, has avoided the straw to have the defect that spiral muscle effect does not exist at the conical head position of leading, is favorable to the feeding of straw. The ear picking roller shaft boxes of the first ear picking roller and the second ear picking roller are arranged in a staggered mode, so that the whole process that straw moves in a gap between the first ear picking roller and the second ear picking roller is guaranteed to have the spiral rib effect, and the feeding of the straw is further facilitated.

Drawings

FIG. 1 is the overall structure of the ear picking unit in example 1;

FIG. 2 is a front view of the snapping unit of example 1;

FIG. 3 is the whole structure of the snapping roll of the embodiment 1;

FIG. 4 is an enlarged view of a portion A of FIG. 2 according to example 1;

FIG. 5 is the whole structure of the ear picking unit in the embodiment 2;

FIG. 6 is the structure of the ear-picking unit in example 2;

FIG. 7 is a structural diagram of a snapping roll of example 2;

FIG. 8 is the whole structure of the snapping roll of the embodiment 2;

fig. 9 is a front view of the snapping unit of example 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

Example 1:

as shown in fig. 1-2, a snapping mechanism 13 comprises a snapping support 130,

a gear box 131 arranged at the rear end of the ear picking bracket 130;

a reel clamping feeding chain 136 arranged at the upper end of the ear picking bracket 130;

the ear picking double-roller 2 is arranged at the lower end of the ear picking bracket 130, and the ear picking double-roller 2 is connected to the front end of the gear box 131 in a transmission way.

The V-shaped inlet part at the front end of a pair of reel clamping feeding chains 136 in the ear picking unit is used for righting a lodging corn plant and a deflection corn plant, the ear picking roller pair 2 picks corn ears, the ears picked by the ear picking unit fall into a small elevator, and the small elevator conveys the ears to an upper header auger, and the ears finally enter the next process of the corn harvester through the upper header auger.

Further, as shown in fig. 2-4, the snapping pair rollers 2 comprise a high snapping roller 21 and a low snapping roller 22, the high snapping roller 21 and the low snapping roller 22 are both in transmission connection with an output shaft 132 at the front end of the gear box 131, and the high snapping roller 21 and the low snapping roller 22 rotate in opposite directions;

wherein the low snapping rolls 22 are relatively close to the small elevator and the high snapping rolls 21 are relatively far from the small elevator. Through the arrangement, corn ears picked by the ear picking unit can enter the small elevator more easily, and then the corn ears are conveyed to the upper header auger.

Further, referring to fig. 3, each of the high snapping roll 21 and the low snapping roll 22 comprises a snapping roll shaft tube assembly 211, a snapping roll shaft bushing box 212, a guide cone head 213 and a spherical joint 214, the spherical joint 214 is arranged at the rear end of the snapping roll shaft tube assembly 211, an output shaft 132 is arranged at the front end of the gear box 131, and the snapping roll is in transmission connection with the output shaft 132 through the spherical joint 214; the ear picking roll shaft bush box 212 is arranged at the front end of the ear picking roll shaft pipe assembly 211, a bearing is arranged in the ear picking roll shaft bush box 212, and the gap between the high ear picking roll 21 and the low ear picking roll 22 can be adjusted by arranging the bush box and the spherical joint 214; the guide cone head 213 is arranged at the front end of the ear picking roller shaft bush box 212;

the outer side of the cone guiding head 213 is fixedly provided with a cone guiding head spiral rib 215, and the outer side of the snapping roll shaft tube assembly 211 is fixedly provided with a shaft tube spiral rib 216. Through the setting, not only the outside of snapping roll central siphon assembly 211 is provided with central siphon spiral muscle 216, still sets up guide cone head spiral muscle 215 in the outside of guide cone head 213 for helical muscle has been put to snapping roll equipartition on the whole, has avoided the straw to have no defect of spiral muscle effect at guide cone head 213 position, is favorable to the feeding of straw.

Further, referring to fig. 3, the ear roller shaft shoe boxes 212 of the high ear picking rollers 21 and the ear roller shaft shoe boxes 212 of the low ear picking rollers 22 are staggered in the axial direction. The rear end of the snapping roll is rotatably connected with the gearbox 131, the front end of the rear end of the snapping roll is rotatably arranged on the snapping support 130 through the snapping roll shaft bush box 212, and the snapping roll shaft bush box 212 does not rotate, so that the snapping roll shaft bush box 212 is not provided with a spiral rib. This application is through the ear plucking roller axle bush box 212 staggered arrangement who sets up high ear plucking roller 21 and low ear plucking roller 22, has guaranteed that the whole process of straw clearance motion between high ear plucking roller 21 and low ear plucking roller 22 all has the spiral muscle effect, further does benefit to the feeding of straw.

Further, the lengths of the high snapping roll 21 and the low snapping roll 22 in the axial direction are the same, and the lengths of the cone guide head 213 of the high snapping roll 21 and the cone guide head 213 of the low snapping roll 22 in the axial direction are different. I.e. the leading cone heads 213 of the high snapping roll 21 and the low snapping roll 22 are one long and one short in the axial direction, and the snapping roll shaft tube assemblies 211 of the high snapping roll 21 and the low snapping roll 22 are one short and one long in the axial direction.

Further, the conical head guiding spiral ribs 215 on the high snapping roll 21 and the conical head guiding spiral ribs 215 on the low snapping roll 22 are alternately arranged. The two spiral ribs are arranged in a staggered manner, so that the feeding of straws is further facilitated.

Further, the shaft tube spiral ribs 216 on the high snapping roll 21 and the shaft tube spiral ribs 216 on the low snapping roll 22 are alternately arranged. The two spiral ribs are arranged in a staggered manner, so that the feeding of straws is further facilitated.

Further, referring to fig. 4, the front ends of the high snapping roll 21 and the low snapping roll 22 are respectively provided with a straw guide plate 133, the upper end of the straw guide plate 133 is fixedly arranged at the lower end of the snapping support 130, the straw guide plate 133 is arranged obliquely, and the lower end extends to the axial line of the high snapping roll 21 and the low snapping roll 22. The straw guide plate 133 is arranged, so that the feeding of the straw is further facilitated.

Example 2:

as shown in fig. 5-6, a snapping mechanism 1 comprises a snapping support 130.1,

the gearbox 131.1 is arranged at the rear end of the ear picking bracket 130.1;

the reel chain group 136.1 is arranged at the upper end of the ear picking bracket 130.1, and the reel chain group 136.1 is in transmission connection with the gearbox 131.1;

the ear picking double-roller 2.1 is arranged at the lower end of the ear picking bracket 130.1, and the ear picking double-roller 2.1 is connected to the front end of the gear box 131.1 in a transmission way and has opposite rotation direction;

the ear picking plate 24 is arranged on the upper end surface of the ear picking bracket 130.1.

Further, as shown in fig. 7-8, the snapping roll pair rollers 2.1 comprise an axle tube assembly 211.1, a snapping roll axle bush box 212.1, a guide cone head 213.1 and a spherical joint 214.1, the spherical joint 214.1 is arranged at the rear end of the axle tube assembly 211.1, an output shaft 132.1 is arranged at the front end of the gear box 131.1, and the snapping roll pair rollers are in transmission connection with the output shaft through the spherical joint 214.1; the ear picking roller shaft bushing box 212.1 is arranged at the front end of the shaft tube assembly 211.1, a bearing is arranged in the ear picking roller shaft bushing box 212.1, and the gap between the ear picking rollers 2.1 can be adjusted by arranging the bushing box and the spherical joint 214.1; the guide cone head 213.1 is arranged at the front end of the ear picking roller shaft bush box 212.1;

the ear picking pair rollers 2.1 further comprise a plurality of ear picking roller blades 235, the plurality of ear picking roller blades 235 are circumferentially and uniformly arranged on the axle tube assembly 211.1, and specifically, in the embodiment, the number of the ear picking roller blades 235 is eight; the outer side of the guide cone head 213.1 is fixedly provided with a guide cone head spiral rib 215.1. Through the arrangement, the outer side of the guide cone head is provided with the spiral rib of the guide cone head, so that the picking roller is provided with the spiral rib, the defect that the straw has no spiral rib function at the position of the guide cone head is avoided, and the feeding of the straw is facilitated; a plurality of ear picking roller blades are arranged on the periphery of the shaft tube assembly 211.1, which is beneficial to grabbing the stalks of the corns and picking the ears of the corns.

Further, as shown in fig. 8, an axle tube spiral rib 237 is fixedly arranged on the outer side of the axle tube assembly 211.1, and the axle tube spiral rib 237 is positioned at the front end of the snapping roll blade 235. Through the arrangement, the ear picking roller is integrally provided with the spiral ribs before the ear picking roller blade 235, so that the feeding of straws is further facilitated.

Further, as shown in fig. 5, the snapping pair roller 2.1 comprises a snapping roller i 21.1 and a snapping roller ii 22.1;

the ear picking roller shaft bushing boxes 212.1 of the first ear picking roller 21.1 and the ear picking roller shaft bushing boxes 212.1 of the second ear picking roller 22.1 are arranged in an alternating mode in the axial direction. The rear end of the snapping roll is rotatably connected with a gearbox 131.1, the front end of the rear end of the snapping roll is rotatably arranged on the snapping support 130.1 through a snapping roll shaft bush box 212.1, and the snapping roll shaft bush box 212.1 does not rotate, so that the snapping roll shaft bush box 212.1 is not provided with a spiral rib. This application has guaranteed that the straw all has the spiral muscle effect at the whole process of the clearance motion between ear picking roller one 21.1 and ear picking roller two 22.1 through the ear picking roller axle bush box 212.1 staggered arrangement who sets up ear picking roller one 21.1 and ear picking roller two 22.1, further does benefit to the feeding of straw.

Further, the lengths of the first snapping roll 21.1 and the second snapping roll 22.1 in the axial direction are the same, and the length of the cone guide head 213.1 of the first snapping roll 21.1 is different from the length of the cone guide head 213.1 of the second snapping roll 22.1 in the axial direction. Namely, the leading cone heads 213.1 of the first snapping roll 21.1 and the second snapping roll 22.1 are one long and one short in the axial direction, and the snapping roll shaft pipe assemblies 211.1 of the first snapping roll 21.1 and the second snapping roll 22.1 are one short and one long in the axial direction.

Further, the conical head guiding spiral ribs 215.1 on the first snapping roll 21.1 and the conical head guiding spiral ribs 215.1 on the second snapping roll 22.1 are alternately arranged. The two spiral ribs are arranged in a staggered manner, so that the feeding of straws is further facilitated.

Further, the shaft tube spiral rib 237 on the first snapping roll 21.1 and the shaft tube spiral rib 237 on the second snapping roll 22.1 are alternately arranged. The two spiral ribs are arranged in a staggered manner, so that the feeding of straws is further facilitated.

Further, referring to fig. 9, the front ends of the first snapping roll 21.1 and the second snapping roll 22.1 are respectively provided with a straw guide plate 201, the upper end of the straw guide plate 201 is fixedly arranged on the snapping support 130.1, and the straw guide plate 201 is arranged obliquely. Through setting up straw baffle 201, be favorable to the straw to get into the clearance between the pair roller of snapping.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims (10)

1. A snapping double-roll for efficient straw feeding comprises a snapping roller I (21, 21.1) and a snapping roller II (22, 22.1), wherein the snapping roller I (21, 21.1) and the snapping roller II (22, 22.1) are in transmission connection with an output shaft at the front end of a gearbox, and the rotation directions of the snapping roller I (21, 21.1) and the snapping roller II (22, 22.1) are opposite;

the ear picking roller I (21, 21.1) and the ear picking roller II (22, 22.1) respectively comprise an axle tube assembly (211, 211.1), an ear picking roller axle bush box (212, 212.1) and a cone guiding head (213, 213.1), the ear picking roller axle bush box (212, 212.1) is arranged at the front end of the axle tube assembly (211, 211.1), and the cone guiding head (213, 213.1) is arranged at the front end of the ear picking roller axle bush box (212, 212.1);

the ear picking device is characterized in that the lengths of the first ear picking rollers (21 and 21.1) and the second ear picking rollers (22 and 22.1) in the axial direction are the same, and the lengths of the cone guiding heads (213 and 213.1) of the first ear picking rollers (21 and 21.1) and the cone guiding heads (213 and 213.1) of the second ear picking rollers (22 and 22.1) in the axial direction are different.

2. The pair of snapping rollers according to claim 1, wherein: the ear picking roller shaft bush boxes (212, 212.1) of the first ear picking roller (21, 21.1) and the ear picking roller shaft bush boxes (212, 212.1) of the second ear picking roller (22, 22.1) are arranged in a staggered mode in the axial direction.

3. The pair of snapping rollers according to claim 1, wherein: the outer sides of the guide cone heads (213, 213.1) are fixedly provided with guide cone head spiral ribs (215, 215.1).

4. The pair of snapping rollers according to claim 1, wherein: the outside of the shaft tube assembly (211, 211.1) is integrally provided with a shaft tube spiral rib (216, 237).

5. The pair of snapping rollers according to claim 1, wherein: the ear picking paired rollers also comprise a plurality of ear picking roller blades (235), and the ear picking roller blades (235) are circumferentially and uniformly arranged on the shaft tube assemblies (211, 211.1).

6. The pair of snapping rollers according to claim 5, wherein: the outer sides of the shaft tube assemblies (211, 211.1) are fixedly provided with shaft tube spiral ribs (216, 237), and the shaft tube spiral ribs (216, 237) are positioned at the front ends of the snapping roll blades (235).

7. The pair of snapping rollers according to claim 4 or 6, wherein: conical head guiding spiral ribs on the first snapping roll (21, 21.1) and conical head guiding spiral ribs (215, 215.1) on the second snapping roll (22, 22.1) are alternately arranged;

and/or the shaft tube spiral ribs on the first snapping roll (21, 21.1) and the shaft tube spiral ribs (216, 237) on the second snapping roll (22, 22.1) are alternately arranged.

8. The pair of snapping rollers according to claim 1, wherein: the front ends of the first snapping rollers (21, 21.1) and the second snapping rollers (22, 22.1) are respectively provided with a straw guide plate (133, 201), the upper ends of the straw guide plates (133, 201) are fixedly arranged at the lower end of the snapping support, and the straw guide plates (133, 201) are obliquely arranged.

9. The utility model provides an ear of grain mechanism that plucks which characterized in that: comprises a snapping bracket (130, 130.1);

the gear boxes (131, 131.1) are arranged at the rear ends of the snapping brackets (130, 130.1);

the reel mechanisms (136, 136.1) are arranged at the upper ends of the snapping brackets (130, 130.1);

paired ear rollers according to any of claims 1-8, arranged at the lower end of the ear picking carriages (130, 130.1).

10. The snapping mechanism of claim 9, wherein: the first snapping roll (21, 21.1) is a high snapping roll (21), the second snapping roll (22, 22.1) is a low snapping roll (22), the low snapping roll (22) is relatively close to the small elevator, and the high snapping roll (21) is relatively far away from the small elevator.

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