Collecting and discharging device of small sugarcane harvester

Abstract

The utility model provides a material collecting and discharging device of a small sugarcane harvester. The material collecting and discharging device is provided with a sugarcane collecting hopper supported by a bottom frame. Vertical frames are arranged on the two sides of the sugarcane collecting hopper, a pair of bottom gate plates driven by a clamping oil cylinder to open and close is hinged to the lower edges of the two vertical frames, and a V-shaped supporting hopper is formed at the lower ends of the two vertical frames when the bottom gate plates are closed. The bottom frame is used for supporting the sugarcane collecting hopper above the mounting frame through a lifting connecting rod and a supporting connecting rod on the mounting frame, and the sugarcane collecting hopper is in an inclined state with a low front part and a high rear part during supporting; the lifting oil cylinder drives the lifting connecting rod to rotate and swing so that the sugarcane collecting hopper can move backwards in a lifting mode or move forwards in a descending mode. The material collecting and discharging device is installed at the tail of a rack of the small sugarcane harvester, the sugarcane collecting hopper descends and moves forwards during material collecting, and the bottom gate plate is closed, so that the gravity center of the sugarcane collecting hopper moves forwards and descends when sugarcane is collected, the sugarcane is automatically collected at the front end of the sugarcane collecting hopper when falling down, and the operation safety of the sugarcane harvester is ensured; during discharging, the sugarcane collecting hopper is lifted and moved backwards, the bottom gate plate is opened, the discharging collection degree is good, and discharging is clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the part of sugarcane harvester, concretely is a kind of material collecting and discharging device of small sugarcane harvester, belong to agricultural machinery equipment technical field. BACKGROUND

[0002] Sugarcane combine harvester is a kind of integrated machinery that can complete sugarcane supporting, rowing, cutting, root cutting, feeding, conveying, leaf stripping, impurity separation and sugarcane collection in sugarcane field, and using sugarcane combine harvester to carry out sugarcane harvesting operation can reduce the labor intensity of harvesting personnel and greatly improve work efficiency. The existing sugarcane combine harvester is often large in size due to the integration of many functions, and is suitable for mechanized harvesting of large-area sugarcane planting, and usually needs to be equipped with a random moving sugarcane transfer vehicle to collect and transfer the harvested sugarcane, but the back-and-forth movement of the transfer vehicle in the sugarcane field can cause the soil to be compacted and affect the growth of sugarcane in the coming year, and the driving skill requirement of the transfer vehicle driver is relatively high, and secondly, many sugarcane planting areas are small and scattered, and the transfer vehicle for working with the sugarcane combine harvester has poor maneuverability in the small plot, which affects the transfer efficiency.

[0003] Therefore, a small sugarcane harvester that simplifies some functions and is more suitable for operation in a small plot has appeared on the market, and a material collecting and discharging device is directly integrated at the rear end of the small sugarcane harvester, so that the harvesting, collecting and transferring of sugarcane can be completed by using one device. However, the structure design of the material collecting and discharging device of some existing small sugarcane harvesters is not reasonable, and some problems may occur during material collecting and discharging, such as: the center of gravity is too far back during material collecting, which makes the center of gravity of the whole sugarcane harvester biased to the rear, affecting the safety of harvesting operation; flat-bottomed box body is used for material collecting, and the collection of sugarcane is poor; tipping bucket is used for discharging, and the collection of sugarcane is poor and it is not easy to discharge completely. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a kind of material collecting and discharging device of small sugarcane harvester, which is more matched with small sugarcane harvester through reasonable structure design, and the effect of material collecting and discharging is better.

[0005] The specific technical scheme of the utility model is as follows:

[0006] A kind of material collecting and discharging device of small sugarcane harvester is provided with sugarcane collecting hopper supported by chassis, and control system is used to control the clamping oil cylinder of sugarcane collecting hopper and the lifting oil cylinder of chassis.

[0007] The left and right sides of the cane collecting hopper are provided with vertical frames, the lower edges of the two vertical frames are hingedly connected with a pair of rotatable open-close bottom gates, the outer sides of the two vertical frames are respectively provided with clamping oil cylinders for driving the opening and closing of the two bottom gates, and the two bottom gates form a V-shaped supporting hopper at the lower ends of the two vertical frames when they are closed.

[0008] The bottom frame is provided with a horizontal mounting frame fixedly mounted on the rear frame of the cane harvester, the mounting frame is provided with two transversely arranged horizontal frame rods, the two horizontal frame rods are respectively hingedly connected with an upwardly extending lifting link and a supporting link which can swing forward and backward, the upper ends of the lifting links and the supporting links on the left and right sides are respectively hingedly connected to the outer sides of the vertical frames on the left and right sides of the cane collecting hopper, the horizontal frame rods, the lifting links, the supporting links and the vertical frames of the cane collecting hopper together form planar four-link mechanisms, the planar four-link mechanisms on the left and right sides together support the entire cane collecting hopper above the mounting frame, and the position of the hingedly connected point of the lifting link and the vertical frame is different from the position of the hingedly connected point of the supporting link and the vertical frame in height, so that the cane collecting hopper is in an inclined state of being lower in front and higher in back in the horizontal direction, and the bottom frame is provided with a lifting oil cylinder in front of each lifting link, the rotation of the lifting link driven by the lifting oil cylinder drives the planar four-link mechanism to move, so that the entire cane collecting hopper is lifted and moved backward or lowered and moved forward.

[0009] The present material collecting and discharging device is installed at the tail of the frame of a small cane harvester, when collecting, the bottom gate of the cane collecting hopper is kept in the closed state by the clamping oil cylinder, and then the cane collecting hopper is lowered and moved forward to a low position by the lifting oil cylinder, the lowering and forward movement of the cane collecting hopper can lower and move forward the center of gravity of the cane collecting hopper when collecting cane, and since the cane collecting hopper adopts a V-shaped bottom and is in an inclined state of being lower in front and higher in back, the cane can be more concentratedly collected to the front end when falling from above the cane collecting hopper, which can increase the stability of the cane in the cane collecting hopper and keep the center of gravity of the cane collecting hopper close to the center of the cane harvester, so as to ensure that the center of gravity of the cane harvester is in the center position during harvesting operation and ensure the safety of the operation of the cane harvester. When discharging, the cane collecting hopper is lifted and moved backward to a high position by the lifting oil cylinder, the bottom gate of the cane collecting hopper is opened by the clamping oil cylinder, and the cane in the cane collecting hopper is discharged downward, since the discharge is from the bottom of the cane collecting hopper, the discharge is good in concentration and easy to clean, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a left side view of the present material collecting and discharging device in the cane collecting state of the cane collecting hopper being lowered and moved forward and the bottom gate being closed.

[0011] Figure 2 It is a front view of Figure 1 .

[0012] Figure 3 It is a left view of Figure 1 .

[0013] Figure 4 This is a three-dimensional structural diagram of the material unloading device in the unloading preparation state when the sugarcane hopper is lifted and moved back and the bottom gate is closed.

[0014] Figure 5 This is a three-dimensional structural diagram of the material unloading device when the sugarcane hopper is lifted and moved back and the bottom gate is opened during the unloading process.

[0015] Figure 6 This is a schematic diagram of the three-dimensional structure of the sugarcane collection bucket.

[0016] In the diagram: 1-base frame, 1.1-mounting frame, 1.1a-horizontal frame rod, 1.2-lifting linkage, 1.3-support linkage, 1.4-lifting cylinder, 2-sugar cane hopper, 2.1-vertical frame, 2.2-hinger, 2.3-bottom gate, 2.3a-control handle, 2.4-clamping cylinder, 2.5-front end plate. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings. In the description of the present invention, the directional terms "front," "rear," "left," and "right" are based on the accompanying drawings. Figure 4 The orientation shown, as well as the position of this aggregate unloading device when installed at the rear of the sugarcane harvester frame, are defined from the perspective of the sugarcane harvester driver.

[0018] like Figures 1-6 As shown, this material unloading device is equipped with a sugarcane hopper 2 supported by a base frame 1, and a control system to control the clamping cylinder 2.4 of the sugarcane hopper 2 and the lifting cylinder 1.4 of the base frame 1.

[0019] The sugarcane collecting bucket 2 has vertical frame 2.1 on the left and right sides. The lower edge of the two vertical frame 2.1 is hinged to a pair of rotatable and openable split bottom gate 2.3 through hinge 2.2. The outer side of the two vertical frame 2.1 is provided with clamping cylinder 2.4 to drive the opening and closing of the two bottom gate 2.3. When the two bottom gate 2.3 are closed, a V-shaped bucket is formed at the lower end of the two vertical frame 2.1.

[0020] Furthermore, an outwardly extending control handle 2.3a is fixedly connected to the outer side of the bottom gate plate 2.3, the cylinder seat end of the clamping cylinder 2.4 is hinged to the outer side of the vertical frame 2.1, and the piston rod end of the clamping cylinder 2.4 is hinged to the control handle 2.3a of the bottom gate plate 2.3.

[0021] Furthermore, the front end of the sugarcane hopper 2 is provided with a front end plate 2.5 between the two vertical frame plates 2.1. The lower part of the front end plate 2.5 is a downward-extending pointed part, which blocks the front port formed when the two bottom gate plates 2.3 are closed.

[0022] The bottom frame 1 is provided with a horizontal mounting frame 1.1 fixedly mounted on the rear frame of the sugarcane harvester, the mounting frame 1.1 is provided with two horizontal frame rods 1.1a arranged in parallel; the two horizontal frame rods 1.1a are both hingedly connected with a lifting connecting rod 1.2 and a supporting connecting rod 1.3 which are upwardly extended and can swing forward and backward, the upper ends of the lifting connecting rod 1.2 and the supporting connecting rod 1.3 on the left and right sides are respectively hingedly connected to the outer side surfaces of the vertical edge frames 2.1 on the left and right sides of the sugarcane collecting hopper 2, the horizontal frame rod 1.1a of the mounting frame 1.1, the lifting connecting rod 1.2, the supporting connecting rod 1.3 and the vertical edge frame 2.1 of the sugarcane collecting hopper 2 together form a planar four-bar mechanism, and the planar four-bar mechanisms on the left and right sides together support the entire sugarcane collecting hopper 2 above the mounting frame 1.1, and the position of the hingedly connected point of the lifting connecting rod 1.2 and the vertical edge frame 2.1 is different from the position of the hingedly connected point of the supporting connecting rod 1.3 and the vertical edge frame 2.1 in height, so that the sugarcane collecting hopper 2 is in an inclined state of being lower in front and higher in back in the horizontal direction; the bottom frame 1 is provided with a lifting oil cylinder 1.4 in front of the two lifting connecting rods 1.2, the swinging of the lifting connecting rod 1.2 driven by the lifting oil cylinder 1.4 drives the movement of the planar four-bar mechanism, so that the entire sugarcane collecting hopper 2 realizes lifting and backward movement or descending and forward movement.

[0023] Preferably, when the sugarcane collecting hopper 2 is supported and elevated, the inclined angle of the sugarcane collecting hopper 2 in the inclined state of being lower in front and higher in back in the horizontal direction is 2°-5°.

[0024] Further, the cylinder base end of the lifting oil cylinder 1.4 is hingedly connected to the frame of the sugarcane harvester or the horizontal frame rod 1.1a of the mounting frame 1.1, and the piston rod end of the lifting oil cylinder 1.4 is hingedly connected to the middle part of the lifting connecting rod 1.2.

[0025] Further, the clamping oil cylinder 2.4 is arranged at a position which is centrally located on the front and back of the outer side of the vertical edge frame 2.1 of the sugarcane collecting hopper 2, the lifting connecting rod 1.2 and the supporting connecting rod 1.3 are arranged in front and back interval on the horizontal frame rod 1.1a of the mounting frame 1.1, the hingedly connected points of the upper ends of the lifting connecting rod 1.2 and the supporting connecting rod 1.3 and the vertical edge frame 2.1 of the sugarcane collecting hopper 2 are arranged at positions which are located in front of the outer side of the vertical edge frame 2.1, and the supporting connecting rod 1.3 is a forwardly bent folding rod, so as to avoid the position interference between the supporting connecting rod 1.3 and the clamping oil cylinder 2.4 when the sugarcane collecting hopper 2 moves forward and downward.

[0026] The material collecting and discharging device is installed at the tail of the frame of the small sugarcane harvester as a component. When collecting materials, the piston rod of the clamping oil cylinder 2.4 is controlled to be fully extended by the control system, so that the pair of bottom gates 2.3 of the sugarcane collecting hopper 2 is kept in the closed state, the piston rod of the lifting oil cylinder 1.4 is controlled to be fully retracted, the lifting connecting rod 1.2 is driven to swing forward, the sugarcane collecting hopper 2 is lowered and moved forward to the low position, the sugarcane harvester performs the sugarcane harvesting operation and processes the sugarcane at the same time, the processed sugarcane is thrown backward and falls into the sugarcane collecting hopper 2 from above, since the sugarcane collecting hopper 2 is V-shaped bottom and is in the inclined state of low front and high back at this time, the sugarcane can be more concentratedly collected to the front end of the sugarcane collecting hopper 2, so that the stability of the sugarcane in the sugarcane collecting hopper 2 is increased, the center of gravity of the sugarcane collecting hopper 2 can be kept close to the center of the sugarcane harvester, and the safety of the sugarcane harvester operation is ensured. When discharging, the piston rod of the lifting oil cylinder 1.4 is controlled to be fully extended by the control system, the lifting connecting rod 1.2 is driven to swing backward, the sugarcane collecting hopper 2 is lifted and moved backward to the high position, the piston rod of the clamping oil cylinder 2.4 is controlled to be fully retracted, the pair of bottom gates 2.3 of the sugarcane collecting hopper 2 is opened downward, the sugarcane in the sugarcane collecting hopper 2 is automatically dropped downward to complete the discharging, and the collection degree of the discharged sugarcane is good and the sugarcane is easily discharged clean.

[0027] The above legends are only typical embodiments of the utility model, and are not used for limiting the utility model, any modification or equivalent replacement and improvement within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A material collecting and discharging device for a small sugarcane harvester, characterized in that: The aggregate unloading device is provided with a cane collecting hopper (2) supported by a chassis (1), and a control system controls the clamping oil cylinder (2.4) of the cane collecting hopper (2) and the lifting oil cylinder (1.4) of the chassis (1); The left and right sides of the cane collecting hopper (2) are provided with vertical frames (2.1), the lower edges of the two vertical frames (2.1) are hingedly connected to a pair of rotatable open-close split bottom gates (2.3) through hinges (2.2), the outer sides of the two vertical frames (2.1) are respectively provided with clamping oil cylinders (2.4) for driving the opening and closing of the two bottom gates (2.3), and the two bottom gates (2.3) are folded to form a V-shaped supporting hopper at the lower ends of the two vertical frames (2.1). The chassis (1) is provided with a horizontal mounting frame (1.1) fixedly installed on the rear frame of the sugarcane harvester, the mounting frame (1.1) is provided with transverse frame rods (1.1a) arranged in parallel on the left and right sides; the two transverse frame rods (1.1a) are respectively hingedly connected to lifting connecting rods (1.2) and supporting connecting rods (1.3) which extend upward and can rotate forward and backward, and the upper ends of the lifting connecting rods (1.2) and the supporting connecting rods (1.3) on the left and right sides are respectively hingedly connected to the outer sides of the vertical frames (2.1) on the left and right sides of the cane collecting hopper (2), the transverse frame rods (1.1a) of the mounting frame (1.1), the lifting connecting rods (1.2), the supporting connecting rods (1.3) and the vertical frames (2.1) of the cane collecting hopper (2) together form planar four-bar mechanisms, and the planar four-bar mechanisms on the left and right sides together support the entire cane collecting hopper (2) above the mounting frame (1.1), and the position of the hingedly connected point of the lifting connecting rod (1.2) and the vertical frame (2.1) is different from the position of the hingedly connected point of the supporting connecting rod (1.3) and the vertical frame (2.1) when the cane collecting hopper (2) is supported, so that the cane collecting hopper (2) is in an inclined state of being lower in front and higher in back in the horizontal direction; the chassis (1) is provided with lifting oil cylinders (1.4) in front of the two lifting connecting rods (1.2), the rotation of the lifting connecting rods (1.2) driven by the lifting oil cylinders (1.4) drives the movement of the planar four-bar mechanisms, so that the entire cane collecting hopper (2) realizes lifting and rear movement or descending and front movement.

2. The compact sugar cane harvester material gathering and unloading apparatus of claim 1 wherein: The outer side of the bottom gate (2.3) is fixedly connected with a control handle (2.3a) extending outward, the cylinder seat end of the clamping oil cylinder (2.4) is hingedly connected to the outer side of the vertical frame (2.1), and the piston rod end of the clamping oil cylinder (2.4) is hingedly connected to the control handle (2.3a) of the bottom gate (2.3).

3. The compact sugar cane harvester material gathering and unloading apparatus of claim 1 wherein: The front end of the cane collecting hopper (2) is provided with a front end plate (2.5) between the two vertical frames (2.1), and the lower part of the front end plate (2.5) is a downwardly extending sharp corner part which blocks the front end port formed by the folding of the two bottom gates (2.3).

4. The compact sugar cane harvester material gathering and unloading apparatus of claim 1 wherein: When the cane collecting hopper (2) is supported, the inclination angle of the cane collecting hopper (2) in the inclined state of being lower in front and higher in back in the horizontal direction is 2°-5°.

5. The compact sugar cane harvester material gathering and unloading apparatus of claim 1 wherein: The cylinder seat end of the lifting oil cylinder (1.4) is hingedly connected to the frame of the sugarcane harvester or the transverse frame rod (1.1a) of the mounting frame (1.1), and the piston rod end of the lifting oil cylinder (1.4) is hingedly connected to the middle part of the lifting connecting rod (1.2).

6. The compact sugar cane harvester material gathering and unloading apparatus of claim 1 wherein: The clamping oil cylinder (2.4) is arranged at the front and rear middle positions outside the vertical frame (2.1) of the cane collecting hopper (2), the lifting connecting rod (1.2) and the supporting connecting rod (1.3) are arranged in front and rear intervals on the horizontal frame rod (1.1a) of the mounting frame (1.1), the upper end of the lifting connecting rod (1.2) and the supporting connecting rod (1.3) and the hinge point of the vertical frame (2.1) of the cane collecting hopper (2) are arranged at the front position outside the vertical frame (2.1), and the supporting connecting rod (1.3) is a forwardly bent folding rod.

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