CN215601969U

CN215601969U - Tensioning device, corn harvester header and corn harvester

Info

Publication number: CN215601969U
Application number: CN202121985640.4U
Authority: CN
Inventors: 赵凯隆; 张明源; 齐广敏; 刘娜; 宋玉兵
Original assignee: Weichai Lovol Heavy Industry Co Ltd
Current assignee: Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-25
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a tensioning device, a corn harvester header and a corn harvester, wherein the tensioning device is used for a corn harvester header reel chain, the corn harvester header is provided with a horizontally arranged mounting plate, one end of the mounting plate is connected with the header, the other end of the mounting plate horizontally extends outwards and comprises a tensioning mechanism and a rotating plate, a sliding plate of the tensioning mechanism is arranged along the horizontal direction, the upper end of the sliding plate is slidably attached to the mounting plate, the rotating plate is horizontally arranged, the middle part of the lower end of the rotating plate is rotatably connected with the sliding plate through the mounting plate, two ends of the upper end of the rotating plate are respectively vertically provided with a wheel shaft, and tensioning wheels are coaxially sleeved on the wheel shafts. The utility model provides a tensioning device, a corn harvester header and a corn harvester.

Description

Tensioning device, corn harvester header and corn harvester

Technical Field

The utility model relates to the field of corn harvester cutting tables. More specifically, the present invention relates to a tensioning device, a corn harvester header and a corn harvester.

Background

With the popularization of new corn varieties, the direct threshing of corn harvesting becomes a reality, so, in recent years, the research and the application of a corn kernel harvesting header are very urgent, after corn is harvested by the header, a seedling pulling chain is an important link for conveying corn ears, the rear end of the seedling pulling chain is arranged on a driving chain wheel of an ear harvesting box, the front end of the seedling pulling chain is arranged on a tensioning device chain wheel, and whether a tensioning frame can reliably tension the seedling pulling chain or not directly influences the reliability of the whole machine. The tensioning structure of present maize picker header corresponds a take-up pulley for a spring, and is with higher costs, and the panel space of installation tensioning structure is little, has very big limitation to installation positions such as divider.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a corn harvester header reel chain tensioning device which simultaneously tensions two tensioning wheels through a single tensioning mechanism.

The technical scheme for solving the technical problems is as follows: the utility model provides a tensioning device for maize picker header reel standing grain chain, maize picker header have the mounting panel that the level set up, mounting panel one end is connected with the header, and its other end level outwards extends, including straining device and rotor plate, straining device's sliding plate sets up along the horizontal direction, its upper end with mounting panel slidable laminating, the rotor plate level sets up, and its lower extreme middle part is through running through the pivot of mounting panel with the sliding plate rotates to be connected, the both ends of rotor plate upper end are the vertical root canal axle that is equipped with respectively, the epaxial equal coaxial cover of wheel is equipped with the take-up pulley.

Preferably, a overspeed device tensioner in, straining device still include the body of rod, coupling assembling, locating part and spring, the sliding plate level sets up the mounting panel below, and pass through coupling assembling with the mounting panel is connected, the body of rod level sets up the sliding plate below to be connected with the planking of header, slidable cover is equipped with a connecting plate on the body of rod, the upper end of connecting plate with the lower extreme middle part of sliding plate is connected, it is equipped with the locating part still to overlap on the body of rod, the coaxial cover of spring is established on the body of rod, its both ends respectively with the locating part with the connecting plate is contradicted, the sliding plate is kept away from the one end of the body of rod is vertical to be equipped with the pivot, the pivot upper end with the lower extreme middle part of rotor plate rotates to be connected.

Preferably, in the tensioning device, the rod body is a screw rod, and the limiting member is a first nut which is installed on the rod body in a threaded manner.

Preferably, a overspeed device tensioner in, still include two second nuts, the body of rod level passes the header, two second nut screw thread is installed on the body of rod and be located the both sides of the planking of header respectively, screw up two the second nut can with the body of rod is connected fixedly with the planking of header.

Preferably, in the tensioning device, the connecting assembly includes an upper guide plate and a lower guide plate, the upper guide plate and the lower guide plate are both horizontally disposed and are respectively disposed at the upper end of the mounting plate and the lower end of the sliding plate, and the upper guide plate and the lower guide plate are connected by at least two connecting rods vertically penetrating through the mounting plate and the sliding plate.

Preferably, in the one tensioning device, the two connecting rods are provided.

Preferably, in the tensioning device, the connecting rod is a bolt, the bolt is vertically arranged, the lower end of the bolt sequentially penetrates through the upper guide plate, the mounting plate, the sliding plate and the lower guide plate, a matching positioning nut is installed at the lower end of the bolt through a thread, and the connecting rod, the upper guide plate, the mounting plate, the sliding plate and the lower guide plate can be fixedly connected by screwing the positioning nut.

Preferably, in the tensioning device, the support plate is further included, one end of the support plate is connected with one end of the mounting plate, and the other end of the support plate is inclined downwards and is fixedly connected with the header.

The utility model also provides a header of a corn harvester, which is provided with any one of the tensioning devices.

The utility model also provides a corn harvester which is provided with the cutting table of the corn harvester.

The utility model has the beneficial effects that:

1. the two tensioning wheels are tensioned simultaneously by a single tensioning mechanism.

2. The plate between the two tension wheels is provided with a rotating shaft, and when the plate is impacted, one tension wheel moves backwards while the other tension wheel does not move.

3. And tension wheel sets with different widths only need to be replaced at different line pitches.

4. The sliding plate is provided with guide plates at two sides.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic structural view of a tensioner of the present invention;

fig. 2 is a sectional view taken along the line a-a in fig. 1.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Fig. 1-2 show a tensioning device provided by an embodiment of the present invention, which is used for a corn harvester header reel chain, the corn harvester header 1 has a horizontally arranged mounting plate 2, one end of the mounting plate 2 is connected with the header 1, and the other end of the mounting plate extends horizontally outward, and includes a tensioning mechanism and a rotating plate 3, a sliding plate 4 of the tensioning mechanism is arranged along the horizontal direction, the upper end of the sliding plate 4 is slidably attached to the mounting plate 2, the rotating plate 3 is horizontally arranged, the middle part of the lower end of the sliding plate is rotatably connected with the sliding plate 4 through a rotating shaft penetrating through the mounting plate 2, two ends of the upper end of the rotating plate 3 are respectively and vertically provided with a wheel shaft 5, and the wheel shafts 5 are coaxially sleeved with tensioning wheels 6.

In this embodiment, two tension pulleys 6 are simultaneously tensioned by a single tensioning mechanism; when one of the tension pulleys 6 is acted by external force, the rotating plate 3 rotates around the sliding plate 4 of the tension mechanism, thereby playing a certain role of buffering.

Preferably, as another embodiment of the present invention, the tensioning mechanism further includes a rod body 7, a connecting assembly, a limiting member and a spring 8, the sliding plate 4 is horizontally disposed below the mounting plate 2 and connected to the mounting plate 2 through the connecting assembly, the rod body 7 is horizontally disposed below the sliding plate 4 and connected to an outer plate of the header 1, a connecting plate 9 is slidably sleeved on the rod body 7, an upper end of the connecting plate 9 is connected to a lower middle portion of the sliding plate 4, the rod body 7 is further sleeved with the limiting member, the spring 8 is coaxially sleeved on the rod body 7, two ends of the spring 8 respectively abut against the limiting member and the connecting plate 9, the rotating shaft is vertically disposed at one end of the sliding plate 4 far away from the rod body 7, and an upper end of the rotating shaft is rotatably connected to a lower middle portion of the rotating plate 3.

In this embodiment, the sliding plate 4 and the two tensioning wheels 6 at the upper end thereof are tensioned by adjusting the position of the limiting member on the rod 7 and the compression amount of the spring 8. Specifically, the rod body 7 is a screw rod, and the limiting part is a first nut 10 which is installed on the rod body 7 through at least one thread.

Preferably, as another embodiment of the present invention, the cutting table further includes two second nuts, the rod 7 horizontally penetrates through the cutting table 1, the two second nuts are threadedly mounted on the rod 7 and located on two sides of an outer plate of the cutting table 1, respectively, and the rod 7 and the outer plate of the cutting table 1 can be fixedly connected by tightening the two second nuts.

In this embodiment, through setting up two second nuts, realize being connected between body of rod 7 and header 1.

Preferably, as another embodiment of the present invention, the connecting assembly includes an upper guide plate 12 and a lower guide plate 13, the upper guide plate 12 and the lower guide plate 13 are both horizontally disposed and are respectively disposed at the upper end of the mounting plate 2 and the lower end of the sliding plate 4, and the upper guide plate 12 and the lower guide plate 13 are connected through two connecting rods vertically penetrating through the mounting plate 2 and the sliding plate 4.

In this embodiment, the connection between the sliding plate 4 and the mounting plate 2 of the header 1 is achieved by fixing the sliding plate 4 to the mounting plate 2 of the header 1 by means of an upper guide plate 12 and a lower guide plate 13. The connecting rod is a bolt 14, the bolt 14 is vertically arranged, the lower end of the bolt 14 penetrates through the upper guide plate 12, the mounting plate 2, the sliding plate 4 and the lower guide plate 13 downwards in sequence, a matched positioning nut is installed at the lower end of the bolt 14 through threads, and the connecting rod can be fixedly connected with the upper guide plate 12, the mounting plate 2, the sliding plate 4 and the lower guide plate 13 by screwing the positioning nut.

Preferably, as another embodiment of the present invention, the cutting table further comprises a supporting plate 15, wherein one end of the supporting plate 15 is connected with one end of the mounting plate 2, and the other end of the supporting plate 15 is inclined downwards and is fixedly connected with the cutting table 1.

In this embodiment, set up backup pad 15, can support header 1 mounting panel 2 can play the effect of protection tension structure again.

The utility model also provides a corn harvester cutting table 1 which is provided with any one of the reel chain tensioning devices of the corn harvester cutting table 1.

The utility model also provides a corn harvester which is provided with the corn harvester cutting table 1.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the utility model may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the utility model is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims

1. The utility model provides a tensioning device for maize picker header reel standing grain chain, maize picker's header (1) have mounting panel (2) that the level set up, mounting panel (2) one end is connected with header (1), and its other end level outwards extends, its characterized in that, including straining device and rotor plate (3), straining device's sliding plate (4) set up along the horizontal direction, its upper end with mounting panel (2) slidable laminating, rotor plate (3) level sets up, and its lower extreme middle part through running through mounting panel (2) the pivot with sliding plate (4) rotate and connect, the both ends of rotor plate (3) upper end are vertical respectively to be equipped with a shaft (5), equal coaxial cover is equipped with take-up pulley (6) on shaft (5).

2. A tensioning device according to claim 1, characterized in that the tensioning mechanism further comprises a rod body (7), a connecting assembly, a limiting member and a spring (8), the sliding plate (4) is horizontally arranged below the mounting plate (2) and connected with the mounting plate (2) through the connecting assembly, the rod body (7) is horizontally arranged below the sliding plate (4) and connected with the outer plate of the header (1), a connecting plate (9) is slidably sleeved on the rod body (7), the upper end of the connecting plate (9) is connected with the middle part of the lower end of the sliding plate (4), the limiting member is further sleeved on the rod body (7), the spring (8) is coaxially sleeved on the rod body (7), the two ends of the spring respectively abut against the limiting member and the connecting plate (9), and the rotating shaft is vertically arranged at the end of the sliding plate (4) far away from the rod body (7), the upper end of the rotating shaft is rotatably connected with the middle part of the lower end of the rotating plate (3).

3. A tensioner as claimed in claim 2, characterized in that said rod (7) is a lead screw and said stop is at least a first nut (10) threaded on said rod (7).

4. A tensioning device according to claim 3, characterized in that it further comprises two second nuts (11), said rod (7) horizontally passes through said header (1), two second nuts (11) are threadedly mounted on said rod (7) and respectively located on both sides of the outer plate of said header (1), and tightening of said two second nuts (11) connects and fixes said rod (7) to the outer plate of said header (1).

5. A tensioner according to claim 2, characterized in that said connecting assembly comprises an upper guide plate (12) and a lower guide plate (13), said upper guide plate (12) and said lower guide plate (13) being horizontally arranged and being arranged at the upper end of said mounting plate (2) and at the lower end of said sliding plate (4), respectively, said upper guide plate (12) and said lower guide plate (13) being connected by at least two connecting rods extending vertically through said mounting plate (2) and said sliding plate (4).

6. A tensioner as claimed in claim 5, wherein there are two of said connecting rods.

7. A tensioning device according to claim 5, characterized in that the connecting rod is a bolt (14), the bolt (14) is vertically arranged, the lower end of the bolt (14) passes through the upper guide plate (12), the mounting plate (2), the sliding plate (4) and the lower guide plate (13) in turn, the lower end of the bolt (14) is threadedly provided with a matching positioning nut, and the connecting rod can be fixedly connected with the upper guide plate (12), the mounting plate (2), the sliding plate (4) and the lower guide plate (13) by tightening the positioning nut.

8. A tensioner according to any one of claims 1-6, characterized by further comprising a support plate (15), one end of the support plate (15) being connected to one end of the mounting plate (2) and the other end being inclined downwards and fixed in connection with the header (1).

9. A corn harvester header having a tensioner as claimed in any one of claims 1 to 8.

10. A maize harvester with a maize harvester header (1) according to claim 9.