CN106416606B - A kind of gap vertical adjustable ear-snapping unit - Google Patents

Abstract

The invention discloses a vertical corn ear picking device with adjustable gap, which includes active and passive ear picking rollers, a driving shaft, a main stem pulling roller shaft seat, an upper universal joint positioning shaft, a transmission shaft, long and short stem pulling rollers, Connecting shaft, lower universal joint transmission shaft seat, positioning shaft, adjustable shaft seat; the active ear picking roller is located on the upper part of the driving shaft, the short stem pulling roller is located on the lower part of the driving shaft, and the upper part of the passive ear picking roller is installed on the upper universal joint transmission shaft The lower part of the passive picking roller is connected with the long stem pulling roller and the bearing in the lower universal joint drive shaft seat, the upper part of the lower universal joint positioning shaft is hinged with the lower universal joint drive shaft seat through the pin shaft, and the lower universal joint The lower part of the positioning shaft passes through the long slot hole on the frame and is fixed in the adjustable shaft seat. The adjustable bearing seat is fixed on the positioning seat through two adjusting nuts on the threaded rod. The gap adjustment of this structure is convenient. , and is conducive to improving the applicability of the vertical ear picking device.

Description

A vertical corn picking device with adjustable gap

technical field

The invention relates to the technical field of agricultural machinery, in particular to a vertical corn ear picking device with adjustable clearance.

Background technique

As the core component of the vertical header corn harvester, the vertical corn ear picking device has a simple structure, light weight, low power consumption, and less damage to the ears during the operation process, so this model is a vertical and horizontal roller corn harvester an important addition to . However, the adaptability of this model to different corn varieties and moisture content has been greatly limited due to the inability to adjust the gap between the vertical ear picking rollers for a long time. For example, the diameter of corn in Huanghuaihai area is only 20-25mm, while the diameter of corn in Northeast China reaches 40mm. It is so big that blockage or broken stems are prone to occur in the harvesting process, which seriously affects the reliability of the machine and the realization of cross-regional operations, and then affects the popularization and application of the machine.

Contents of the invention

The purpose of the present invention is to provide a vertical corn ear picking device with adjustable gaps, which realizes the adjustment of the gap between the vertical ear picking rollers, can pick ears of corn with different diameters, and expands the geographical range of harvester operations. It is conducive to the promotion and application in different regions.

To achieve the above object, the present invention provides the following technical solutions:

The invention provides a vertical corn ear picking device with adjustable gap, which includes a transfer case, a driving cylindrical gear set, an active ear picking roller, a driving shaft, a sprocket, a short stem pulling roller, a main stem pulling roller shaft seat, a machine Frame, upper universal joint positioning shaft, pin shaft, upper universal joint transmission shaft, passive picking roller, long stem pulling roller, connecting shaft, lower universal joint transmission shaft seat, lower universal joint positioning shaft, adjustable shaft seat, positioning seat and adjusting nut;

The active ear picking roller is sleeved on the driving shaft through a spline, the short stem pulling roller is installed on the lower part of the driving shaft through a spline, and the sprocket wheel is installed between the active ear picking roller and the Between the short stemming rollers, the lower part of the driving shaft is installed on the main stemming roller shaft seat through a bearing, and the main stemming roller shaft seat is installed on the frame, and the upper part of the driving shaft passes through a bearing Installed on the transfer case; the upper part of the passive picking roller is installed on the transmission shaft of the upper universal joint, and the transmission shaft of the upper universal joint passes through the pin shaft and the positioning shaft of the upper universal joint One end of the upper universal joint positioning shaft is hinged, and the other end of the upper universal joint positioning shaft is provided with the driving cylindrical gear set; the lower part of the passive ear picking roller is connected with the long pulling stem roller through the connecting shaft, and the connecting shaft In the long pulling stem roller, it is connected with the bearing in the lower universal joint transmission shaft seat, and the upper part of the lower universal joint positioning shaft is hinged with the lower universal joint transmission shaft seat through the pin shaft, so The lower part of the lower universal joint positioning shaft passes through the slotted hole of the frame and is fixed in the adjustable shaft seat, the length of the slotted hole is greater than the diameter of the lower universal joint positioning shaft, and the The threaded rod of the adjustable shaft seat is fixed on the positioning seat through the two adjusting nuts.

Preferably, both the active ear picking roller and the passive ear picking roller are hollow structures;

Preferably, the short stem pulling roller includes a short cone, an upper cone seat, a lower cone seat and a rib, the short cone is an inner hollow structure with a large upper diameter and a small lower diameter, and the ribs are uniform welded on the outer surface of the short cone, the upper cone seat is welded in the inner cavity of the upper part of the short cone, and the lower cone seat is welded in the inner cavity of the lower part of the short cone;

Preferably, 4 to 6 ribs are provided;

Preferably, the long stem-drawing roller includes a long cone upper seat, a long cone, a straight rib and a lower cone seat, the long cone is a hollow structure with a large upper part and a smaller lower part, and the straight convex rib is uniformly welded on the The outer surface of the long cone, the upper seat of the long cone is welded in the inner cavity of the upper part of the long cone, and the lower cone seat is welded in the inner cavity of the lower part of the long cone;

Preferably, 4 to 6 straight ribs are provided;

Preferably, the long stem pulling roller is arranged at the lower part of the passive ear picking roller, the connecting shaft runs through the long stem pulling roller, and the connecting shaft passes through the long slot hole of the frame and is installed on the On the self-aligning bearing on the adjustable bearing seat, the threaded rod of the adjustable bearing seat is fixed on the positioning seat by the two adjusting nuts.

Compared with the prior art, the present invention has achieved the following technical effects:

(1) The two ends of the passive vertical roller are connected with the transfer case and the frame through the cross universal joint structure, which avoids the influence of the gap adjustment on the rotation of the vertical roller.

(2) The shaft seat/bearing seat at the lower part of the passive vertical roller is designed as an adjustable structure, which realizes the stepless adjustment of the gap between the vertical ear picking rollers.

(3) The surface of the long and short stalk pulling rollers has a straight cone structure, in which the cone structure increases the gap between the stalk entrance, which is conducive to the smooth feeding of the stalks; the surface of the cone is welded with straight convex edges The structure increases the ability of the picking roller to grab the stalk, which is conducive to the smooth pulling of the stalk into the gap between the ear picking rollers.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without paying creative labor.

Fig. 1 is a schematic diagram of the overall structure of the vertical corn ear picking device with adjustable gap in the present invention;

Fig. 2 is the top view of the structure of the short stalk pulling roller of the vertical corn ear picking device with adjustable gap;

Fig. 3 is the front view of the structure of the short stem pulling roller of the vertical corn ear picking device with adjustable gap in the present invention;

Fig. 4 is the top view of the structure of the long stem-drawing roller of the vertical corn ear picking device with adjustable gap in the present invention;

Fig. 5 is the front view of the structure of the long stem-drawing roller of the vertical corn ear picking device with adjustable gap in the present invention;

Fig. 6 is another structural schematic diagram of the gap adjustment of the gap-adjustable vertical corn ear-picking device of the present invention;

Among them, 1-transfer case, 2-drive cylindrical gear set, 4-active ear picking roller, 5-driving shaft, 6-sprocket, 7-short stem pulling roller, 8-main stem pulling axle seat, 9- Frame, 10-upper universal joint positioning shaft, 11-pin shaft, 12-upper universal joint transmission shaft, 13-passive ear picking roller, 14-long stem pulling roller, 15-connecting shaft, 16-lower universal joint Joint transmission shaft seat, 17-lower universal joint positioning shaft, 18-adjustable shaft seat, 19-positioning seat, 20-adjusting nut, 21-short cone, 22-upper cone seat, 23-convex, 24 -The lower cone seat, 25-straight convex edge, 26-long cone, 27-long cone upper seat, 28-adjustable bearing seat, 29-self-aligning bearing.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The object of the present invention is to provide a vertical corn ear picking device with adjustable gap, which realizes the adjustment of the gap between the vertical ear picking roller groups and can pick ears of corn with different diameters.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1:

As shown in Fig. 1 , this embodiment makes a detailed description of the structure and principle of a vertical corn ear picking device with adjustable gap of the present invention.

The invention provides a vertical corn ear picking device with adjustable clearance, which includes a transfer case 1, a drive cylindrical gear set 2, an active ear picking roller 4, a driving shaft 5, a sprocket wheel 6, a short stem pulling roller 7, a main pull Stem roller shaft seat 8, frame 9, upper universal joint positioning shaft 10, pin shaft 11, upper universal joint transmission shaft 12, passive ear picking roller 13, long pulling stem roller 14, connecting shaft 15, lower universal joint Transmission shaft seat 16, lower universal joint positioning shaft 17, adjustable shaft seat 18, positioning seat 19 and adjusting nut 20;

The active picking roller 4 is sleeved on the driving shaft 5 through a spline, the short stem pulling roller 7 is installed on the bottom of the driving shaft 5 through a spline, and the sprocket 6 is installed on the driving shaft 5. Between the fringe roller 4 and the short stem-drawing roller 7, the lower part of the drive shaft 5 is mounted on the main stem-drawing roller axle seat 8 through a bearing, and the main stem-drawing roller axle seat 8 is installed on the frame 9, the top of the drive shaft 5 is installed on the transfer case 1 through a bearing; Axle 12 is hinged with one end of said upper universal joint positioning shaft 10 by said bearing pin 11, and said upper universal joint positioning shaft 10 other end is provided with said driving cylinder gear set 2; The bottom of 13 is connected with described long stem roller 14 by described connecting shaft 15, and described connecting shaft 15 links to each other with the bearing in described lower universal joint transmission shaft seat 16 in described long stem roller 14, so The upper part of the lower universal joint positioning shaft 17 is hinged with the lower universal joint transmission shaft seat 16 through the pin shaft 11, and the lower part of the lower universal joint positioning shaft 17 passes through the slotted hole of the frame 9 Fixed in the adjustable shaft seat 18, the length of the long slot hole is greater than the diameter of the lower universal joint positioning shaft 17, and the threaded rod of the adjustable shaft seat 18 is fixed by two adjustment nuts 20 on the positioning seat 19. Both the active ear picking roller 4 and the passive ear picking roller 13 are hollow structures.

In this application, the shaft seat of the lower part of the passive vertical roller is designed as an adjustable structure. By adjusting the adjusting nut 20, the adjustable bearing 18 can translate left and right in the long slot hole, thereby adjusting the gap between the vertical ear picking rollers and realizing the vertical ear picking. Stepless adjustment of the gap between the spike rollers; both ends of the passive vertical roller are connected with the transfer case and the frame through the cross universal joint structure, which avoids the influence of the gap adjustment on the rotation of the vertical roller.

Example 2:

As shown in FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , this embodiment is an embodiment further improved on the basis of Embodiment 1, and further details of the present invention are made at the same time.

As Fig. 2 and Fig. 3, described short stem-drawing roller 7 comprises short cone 21, upper cone seat 22, lower cone seat 24 and rib 23, and described short cone 21 is that upper part diameter is big, bottom diameter is little hollow structure, the ribs 23 are uniformly welded on the outer surface of the short cone 21, the upper cone seat 22 is welded in the inner cavity of the short cone 21, the lower cone seat 24 is welded in the inner cavity of the lower part of the short cone 21; the ribs 23 are provided with 4 to 6 pieces;

Described long stem roll 14 comprises a long cone upper seat 27, a long cone 26, a straight convex edge 25 and a lower cone seat 24, and the long cone 26 is a hollow structure with a large top and a small bottom, and the straight convex rib 25 is evenly welded on the outer surface of the long cone 26, the long cone upper seat 27 is welded in the inner cavity of the long cone 26 top, and the lower cone seat 24 is welded on the long cone 26 In the inner cavity of the lower part; 4 to 6 straight convex ribs 25 are provided;

The surface of the long and short stalk pulling rollers has a straight cone structure, and the cone structure increases the gap between the stalk entrances, which is conducive to the smooth feeding of the stalks.

Example 3:

This embodiment is another structure of the gap-adjustable vertical corn ear-picking device of the present invention, which adjusts the gap of the passive ear-picking rollers, and further describes the present invention in detail.

As shown in Figure 6, the long stem-drawing roller 14 is arranged on the bottom of the passive plucking ear roller 13, the connecting shaft 15 runs through the long stem-drawing roller 14, and the connecting shaft 15 passes through the frame 9 is installed on the self-aligning bearing 29 on the adjustable bearing seat 28, and the threaded rod of the adjustable bearing seat 28 is fixed on the positioning seat 19 by the two adjusting nuts 20.

In the present embodiment, the connecting shaft 15 in the passive ear picking roller 13 passes through the slotted hole of the frame 9 and is directly installed on the self-aligning bearing 29 on the adjustable bearing seat 28, and is not placed on the passive ear picking roller. The bottom of 13 is provided with universal joint, and it is more convenient to adjust 12 gaps of passive ear picking roller.

In the present invention, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method and core idea of the present invention; meanwhile, for those of ordinary skill in the art, according to the present invention The idea of the invention will have changes in the specific implementation and scope of application. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (6)

1. a kind of gap vertical adjustable ear-snapping unit, which is characterized in that including transfer case (1), drive roller gear group (2), active snapping bar (4), driving shaft (5), sprocket wheel (6), short stem pulling roller (7), main stem pulling roll shaft seat (8), rack (9) are up to ten thousand To section locating shaft (10), axis pin (11), upper cardan transmission shaft (12), passive snapping bar (13), long stem pulling roller (14), connecting shaft (15), lower cardan drive axle seat (16), lower cardan locating shaft (17), adjustable axle bed (18), positioning seat (19) and adjusting spiral shell Female (20)；

The active snapping bar (4) is mounted on the driving shaft (5) top by spline housing, and the short stem pulling roller (7) passes through flower Key is mounted on the lower part of the driving shaft (5), and the sprocket wheel (6) is mounted on the active snapping bar (4) and the short stem pulling roller (7) between, driving shaft (5) lower part is mounted on by bearing on the main stem pulling roll shaft seat (8), the main stem pulling roll shaft seat (8) it is mounted in the rack (9), the top of the driving shaft (5) is mounted on by bearing on the transfer case (1)；It is described Passive snapping bar (13) top is mounted on the upper cardan transmission shaft (12), and the upper cardan transmission shaft (12) passes through institute It states axis pin (11) and one end of the upper cardan locating shaft (10) is hinged, upper cardan locating shaft (10) other end is set There is the driving roller gear group (2)；The lower part of the passive snapping bar (13) passes through the connecting shaft (15) and the long drawing Stem roller (14) connects, and the connecting shaft (15) is in the long stem pulling roller (14) and in the lower cardan drive axle seat (16) Bearing is connected, and lower cardan locating shaft (17) top passes through the axis pin (11) and the lower cardan drive axle seat (16) Hinged, the lower part of the lower cardan locating shaft (17) passes through the long slot bore of the rack (9) to be fixed on the adjustable axle bed (18) in, the length of the long slot bore is more than the diameter of the lower cardan locating shaft (17), the spiral shell of the adjustable axle bed (18) Rasp bar is fixed on by 2 adjusting nuts (20) on the positioning seat (19).

2. a kind of gap vertical adjustable ear-snapping unit according to claim 1, which is characterized in that the active harvesting Roller (4) and the passive snapping bar (13) are all hollow structure.

3. a kind of gap vertical adjustable ear-snapping unit according to claim 1, which is characterized in that the short stem pulling roller (7) include short cone (21), epicone housing (22), lower cone seat (24) and fin (23), the short cone (21) is that top is straight The hollow structure that diameter is big, lower diameter is small, fin (23) uniform welding in the outer surface of the short cone (21), it is described on Cone seat (22) is welded in the inner cavity on short cone (21) top, and the lower cone seat (24) is welded on the short cone (21) in the inner cavity of lower part.

4. a kind of gap vertical adjustable ear-snapping unit according to claim 3, which is characterized in that the fin (23) Setting 4~6.

5. a kind of gap vertical adjustable ear-snapping unit according to claim 1, which is characterized in that the long stem pulling roller (14) include the long cone seat of honour (27), long cone (26), straight fin (25) and lower cone seat (24), the long cone (26) is upper Small hollow structure under big, straight fin (25) uniform welding is on the outer surface of the long cone (26), the long cone Seat (27) is welded in the inner cavity on long cone (26) top, and the lower cone seat (24) is welded under the long cone (26) In the inner cavity in portion.

6. a kind of gap vertical adjustable ear-snapping unit according to claim 5, which is characterized in that the straight fin (25) it is arranged 4~6.