CN212164254U

CN212164254U - Terrain-imitating pickup mechanism of straw bundling machine

Info

Publication number: CN212164254U
Application number: CN202020250854.6U
Authority: CN
Inventors: 陈振启; 裴伟壮; 王庆豫; 王爽; 王旭; 李迎威; 赵德宏; 隋唯帅; 赵莹; 来琳; 唐庆瑜; 姜松; 沈亚西; 常相铖
Original assignee: Liaoning Haikuo Machinery Equipment Manufacturing Co ltd
Current assignee: Liaoning Haikuo Machinery Equipment Manufacturing Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-12-18
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to an agricultural machine technical field specifically is a mechanism is picked up to imitative topography of straw bundling machine, and it is including picking up the frame, supporting in picking up the main shaft in the frame, locating the drive sprocket at main shaft both ends, along a plurality of execution units that pick up that main shaft length direction evenly arranged, its technical essential is: the picking execution unit comprises a picking swing arm taking the main shaft as a rotation center, a picking shaft fixed at the free end of the picking swing arm, a picking bearing seat supported on the picking shaft, an elastic tooth assembly and a picking chain wheel fixed on the picking bearing seat, a transmission chain wheel arranged on the main shaft and corresponding to the picking chain wheel, and a transmission chain connected between the transmission chain wheel and the picking chain wheel. The utility model discloses it is more thorough to pick up the material, is showing and is improving the pick-up rate, simultaneously, has prolonged the life of bullet tooth, has reduced the maintenance frequency to the operating efficiency has been improved.

Description

Terrain-imitating pickup mechanism of straw bundling machine

Technical Field

The utility model relates to the technical field of agricultural machinery, specifically a mechanism is picked up to imitative topography of straw bundling machine.

Background

The straw is a general term of stem leaf and ear parts of mature crops, is the residual part after harvesting seeds, is rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, is a multipurpose renewable biological resource, and is generally bundled and recycled by using a bundling machine in order to avoid serious waste of the straw. At present, the straw bundling machine mainly has two kinds of models, be circle bundle bundling machine and square bundle bundling machine respectively, and the front end of two kinds of bundling machines all sets up pickup mechanism, and pickup mechanism's theory of operation is the same basically, and the straw material passes through pickup mechanism's collection, makes the straw material can get into and beat the bundle room and beat the bundle, so pickup mechanism's existence is especially important to the straw bundling machine.

The existing bundling machine pickup mechanism mainly comprises a pickup shaft, a plurality of groups of elastic teeth uniformly arranged on the pickup shaft along the length direction of the pickup shaft, and when the pickup shaft rotates, the pickup shaft drives each group of elastic teeth to rotate so as to realize the purpose of picking up straws. However, the pick-up mechanism has the following problems in the use process:

1. the picking heights of all groups of elastic teeth are the same, only straws slightly higher than the upper surface of the ridge platform can be picked, and the elastic teeth cannot penetrate into the furrow to pick up the straws, so that the straws are not picked up thoroughly, and the picking rate is low;

2. in order to make the straw pick up more thoroughly, the position that reduces the pickup only reduces the height of picking up the mechanism, can pick up cleaner, nevertheless because press close to ground, pick up and play the tooth and damage easily, then the change frequency of playing the tooth becomes the life who then plays the tooth short, and the change frequency is high, leads to the operating efficiency low.

Disclosure of Invention

An object of the utility model is to provide a can solve the imitative topography pickup mechanism of straw bundling machine of above-mentioned problem, its simple structure, play the tooth and can rise along with the topography, can pick up the inside material of furrow, it is more thorough to pick up the material, is showing and has improved the rate of picking up, simultaneously, has prolonged the life who plays the tooth, has reduced the maintenance frequency to the operating efficiency has been improved.

The technical scheme of the utility model is that:

the utility model provides a mechanism is picked up to imitative topography of straw bundling machine, is including picking up the frame, supporting in the main shaft of picking up in the frame, locating the drive sprocket at main shaft both ends, evenly arranging along main shaft length direction a plurality of execution units of picking up, its technical essential is: the picking execution unit comprises a picking swing arm taking the main shaft as a rotation center, a picking shaft fixed at the free end of the picking swing arm, a picking bearing seat supported on the picking shaft, an elastic tooth assembly and a picking chain wheel fixed on the picking bearing seat, a transmission chain wheel arranged on the main shaft and corresponding to the picking chain wheel, and a transmission chain connected between the transmission chain wheel and the picking chain wheel.

The terrain-imitated picking mechanism of the straw bundling machine is characterized in that the main shaft is of a sectional structure and comprises a plurality of sections of independent small shafts and two driving sprocket wheel shafts, the axial leads of the small shafts and the driving sprocket wheel shafts are overlapped, the number of the small shafts is consistent with that of the picking execution units, the small shafts are in one-to-one correspondence, one side of each small shaft is reduced in diameter and the reducing section is a spline shaft section, the inner surface of a hub of the driving sprocket of the picking execution unit is provided with a spline and sleeved on the spline shaft section, the end part of the spline shaft section is provided with a limiting sleeve corresponding to the driving sprocket wheel, a connecting sleeve is arranged between the wide section and the limiting sleeve at the end part of the spline shaft section of the adjacent small shaft at the other side of the small shaft, the driving sprocket wheels are assembled at one end of the two driving sprocket wheel shafts, the other end of one driving sprocket wheel shaft is the spline shaft section, the other end of the other driving sprocket wheel shaft is a wide-diameter section, and the wide-diameter section is connected with a limiting sleeve at the end part of the spline shaft section of the adjacent small shaft through a connecting sleeve.

According to the terrain-imitated picking mechanism of the straw bundling machine, the main shaft bearing seat is assembled at the position, corresponding to the picking swing arm, of the main shaft, the main shaft bearing seat is fixedly connected with the picking rack, and the rotating end of the picking swing arm is sleeved on the periphery of the main shaft bearing seat.

Foretell imitative topography pickup mechanism of straw bundling machine, every pick up the execution unit and have two swing arms of picking up, symmetric distribution is in picking up a both ends, it is located the picking up axle middle part to pick up the bearing frame, picks up the sprocket and is located picking up the bearing frame middle part, play the tooth subassembly by symmetric distribution in two play tooth framves of picking up the sprocket left and right both sides, along playing tooth group constitution of a tooth frame periphery evenly distributed.

Foretell straw bundling machine imitative topography pickup mechanism, the position that the frame of picking up corresponds the swing arm below of picking up is equipped with down the stopper.

The lower limiting stopper is a limiting rod, two ends of the limiting rod are respectively connected with the left side plate and the right side plate of the picking rack.

The utility model has the advantages that:

1. the utility model discloses a plurality of execution unit of picking up, every execution unit of picking up is owing to set up the swing arm of picking up that uses the main shaft as centre of rotation, make each execution unit of picking up can adjust according to its place position terrain present when picking up the action and pick up the height, if when a certain unit of picking up is located furrow top position, it picks up swing arm gyration angle downwards big, in the terminal protractile furrow of bullet tooth subassembly, pick up the straw in the furrow, do not influence the bullet tooth subassembly of rather than adjacent execution unit of picking up and pick up the action above the ridge platform. Each pick up the execution unit mutually independent, utilize the epaxial chain wheel of picking up of respective to drive and play the tooth subassembly and rotate, carry out the imitative topography along with the position of each separately and go up and down, pick up the action, compare with prior art, pick up the material more thoroughly, is showing and is improving the pick-up rate, has improved and has picked up efficiency.

2. Because the swing arm of picking up can freely be raised or reduce according to the topography of locating, pick up the swing arm and can freely float from top to bottom, then changed the bullet tooth of bullet tooth subassembly and the traditional rigid contact relation of waiting to pick up the position, can float from top to bottom along with the topography when bullet tooth picks up the operation, greatly reduced pick up the action resistance, reduced wearing and tearing, prolonged the life of bullet tooth, reduced maintenance frequency to the operating efficiency has been improved.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic diagram of the floatable action of the pickup performing unit of the present invention.

In the figure: 1. the automatic picking device comprises a driving chain wheel, a picking rack 2, a connecting piece 3, a main shaft bearing seat 4, a transmission chain wheel 5, a small shaft 6, a connecting sleeve 7, a limiting sleeve 8, a rotary end 9, a transmission chain 10, a lower limiter 11, a picking swing arm 12, a driving chain wheel shaft 13, a driving chain wheel 14, a picking chain wheel 15, a picking shaft 16, a picking bearing seat 17, a spring tooth rack 18, a spring tooth group 19 and a driving chain wheel shaft 20.

Detailed Description

The technical solution of the present invention is further explained by the following specific embodiments with reference to the accompanying drawings.

As shown in fig. 1-3, the terrain-imitated picking mechanism of the straw baler comprises a picking frame 2, a main shaft supported on the picking frame 2,

driving chain wheels

1 and 14 arranged at two ends of the main shaft, and eight picking execution units uniformly arranged along the length direction of the main shaft.

The picking execution unit comprises a picking swing arm 12 taking the main shaft as a rotation center, a picking shaft 16 fixed at the free end of the picking swing arm 12, a picking bearing seat 17 supported on the picking shaft 16, an elastic tooth assembly and a picking chain wheel 15 fixed on the picking bearing seat 17, a transmission chain wheel 5 arranged on the main shaft and corresponding to the picking chain wheel 15, and a transmission chain 10 connected between the transmission chain wheel 5 and the picking chain wheel 15.

In this embodiment, the main shaft is a sectional structure, and includes multiple sections of independent small shafts 6 and two driving

sprocket shafts

13, 20, the axial leads of the sections of the small shafts 6 and the driving

sprocket shafts

13, 20 coincide, the number of the small shafts 6 is consistent with the number of the picking execution units and corresponds to one another, one side of the small shaft 6 is reduced in diameter and the reduced section is a spline shaft section, the inner surface of the hub of the driving sprocket 5 of the picking execution unit is provided with a spline and is sleeved on the spline shaft section, the end of the spline shaft section is provided with a limit sleeve 8 corresponding to the driving sprocket 5, the other side of the small shaft 6 is a wide section and the wide section is connected with the limit sleeve 8 at the end of the spline shaft section of the adjacent small shaft 6 by using the connection sleeve 7, one end of each of the two driving

sprocket shafts

13, 20 is respectively assembled with a driving

sprocket

14, 1, the other end of one of the driving sprocket shaft 20 is a spline shaft section and is sleeved with the limit sleeve 8, the limit sleeve 8, the other end of the other driving sprocket wheel shaft 13 is a wide-diameter section, and the wide-diameter section is connected with the limiting sleeve 8 at the end part of the spline shaft section of the adjacent small shaft 6 through a connecting sleeve 7.

Every pick up the execution unit and have two and pick up swing arm 12, the symmetric distribution is in 16 both ends of picking up the axle, pick up the bearing frame 17 and be located 16 middle parts of picking up the axle, pick up sprocket 15 and be located the bearing frame 17 middle part of picking up, play the tooth subassembly by the symmetric distribution in two play tooth framves 18 of the left and right both sides of pick up sprocket 15, along playing tooth group 19 constitution of 18 periphery evenly distributed's of bullet tooth frame. A main shaft bearing seat 4 is assembled at the position of the main shaft corresponding to the picking swing arm 12, the main shaft bearing seat 4 is fixedly connected with the picking rack 2 through a connecting piece 3, and the rotary end 9 of the picking swing arm 12 is sleeved on the periphery of the main shaft bearing seat 4.

Pick up frame 2 and correspond the position of picking up swing arm 12 below and be equipped with down stopper 11, in this embodiment, stopper 11 is the gag lever post that both ends are connected with the left and right side board of picking up frame 2 respectively down.

The working principle is as follows:

the drive end of the bundling machine is connected with one of the drive chain wheels 1 to drive each small shaft 6 and another drive chain wheel shaft 13 (which is used as a part of the intermediate transmission mechanism of the bundling machine and transmits power to a feeding mechanism or other mechanisms through the drive chain wheel shaft 13 and the drive chain wheel 14) to rotate simultaneously, the drive chain wheel 5 on each small shaft 6 rotates synchronously with the small shaft 6, so that the corresponding picking chain wheel 15 is driven to rotate through the drive chain 10, a picking bearing seat 17 where the picking chain wheel 15 is located drives the elastic tooth assembly to rotate, and the elastic tooth group 19 of the elastic tooth assembly realizes picking action in the rotating process of the picking shaft 16. In this process, after the elastic tooth group 19 of the elastic tooth assembly of each pickup execution unit contacts with the operation position, the operation height can be adjusted along with the difference of the ground height, namely, the pickup swing arm 12 can swing upwards when being subjected to overlarge resistance, and can swing downwards when the resistance is reduced (the downward stroke end is limited by the lower limiting device 11), so that the pickup rate is improved, and the abrasion of the elastic teeth is reduced.

Claims

1. The utility model provides a mechanism is picked up to imitative topography of straw bundling machine, includes the frame of picking up, supports in the main shaft of picking up in the frame, locates the drive sprocket at main shaft both ends, evenly arranges along main shaft length direction a plurality of execution units of picking up, its characterized in that: the picking execution unit comprises a picking swing arm taking the main shaft as a rotation center, a picking shaft fixed at the free end of the picking swing arm, a picking bearing seat supported on the picking shaft, an elastic tooth assembly and a picking chain wheel fixed on the picking bearing seat, a transmission chain wheel arranged on the main shaft and corresponding to the picking chain wheel, and a transmission chain connected between the transmission chain wheel and the picking chain wheel.

2. The terrain-imitating pickup mechanism of the straw baler according to claim 1, wherein: the main shaft is a sectional type structure and comprises a plurality of sections of independent small shafts and two drive sprocket wheel shafts, the axial leads of the small shafts and the drive sprocket wheel shafts are coincident, the number of the small shafts is consistent with that of a pickup execution unit, the diameter reducing and reducing sections on one side of each small shaft are spline shaft sections, the inner surfaces of hubs of drive sprockets of the pickup execution unit are provided with splines and sleeved on the spline shaft sections, the end parts of the spline shaft sections are provided with limit sleeves corresponding to the drive sprockets, the other side of each small shaft is provided with a connecting sleeve between the limit sleeves of the spline shaft sections of the wide section, the wide section and the adjacent small shaft, one end of each two drive sprocket wheel shafts is assembled with the drive sprocket wheel, the other end of one drive sprocket wheel shaft is the spline shaft section and the corresponding limit sleeve, the limit sleeves are connected with the diameter wide section of the adjacent small shaft through the connecting sleeves, and the other end of the other drive sprocket wheel shaft is connected with the limit sleeves of the end parts of the spline shaft sections of the wide section And (6) connecting.

3. The terrain-imitating pickup mechanism of the straw baler according to claim 1, wherein: and a main shaft bearing seat is assembled at the position of the main shaft corresponding to the picking swing arm, the main shaft bearing seat is fixedly connected with the picking rack, and the rotating end of the picking swing arm is sleeved at the periphery of the main shaft bearing seat.

4. The terrain-imitating pickup mechanism of the straw baler according to claim 1 or 3, wherein: every pick up the execution unit and have two and pick up the swing arm, symmetric distribution is in picking up a both ends, it is located and picks up a middle part to pick up the bearing frame, picks up the sprocket and is located and picks up the bearing frame middle part, play the tooth subassembly by symmetric distribution in two play tooth framves of picking up the sprocket left and right both sides, along playing the tooth group of bullet evenly distributed and constitute.

5. The terrain-imitating pickup mechanism of the straw baler according to claim 1, wherein: the picking machine frame is provided with a lower limiting stopper corresponding to the position below the picking swing arm.

6. The terrain-imitating pickup mechanism of the straw baler according to claim 5, wherein: the lower limiting device is a limiting rod of which two ends are respectively connected with the left side plate and the right side plate of the picking rack.