CN114051825A

CN114051825A - Sugarcane conveying device of vertical sugarcane harvester

Info

Publication number: CN114051825A
Application number: CN202010754135.2A
Authority: CN
Inventors: 黄敏章; 罗福球
Original assignee: Liuzhou Harvey Intelligent Manufacturing Co ltd
Current assignee: Liuzhou Harvey Intelligent Manufacturing Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2022-02-18

Abstract

The invention relates to a sugarcane conveying device of a vertical sugarcane harvester, which comprises two rubber conveying mechanisms arranged side by side, wherein each rubber conveying mechanism comprises a guide wheel, an expansion bracket, a tensioner, a rack, a driving wheel and a clamping conveying assembly, each clamping conveying assembly comprises a driving belt and a rubber conveying belt arranged on the driving belt, the cross section of each rubber conveying belt is in an omega shape, two ends of each tensioner are respectively hinged with the rack and the expansion bracket, the driving wheel is arranged at the other end of the rack, the guide wheel is arranged at the other end of the expansion bracket, one rubber conveying mechanism is respectively provided with two clamping conveying assemblies at the upper part and the lower part of the rack, the other rubber conveying mechanism is provided with one clamping conveying assembly at the middle part of the rack, and the two rubber conveying mechanisms are arranged side by side to form a feed end with a horn-shaped opening. The device adopts the hollow rubber conveyer belt of omega shape structure to carry out the centre gripping through three point positions to the sugarcane, and the centre gripping is more stable, is a high-efficient, reliable sugarcane centre gripping conveyor.

Description

Sugarcane conveying device of vertical sugarcane harvester

Technical Field

The invention belongs to the field of agricultural machinery, relates to a sugarcane conveying device of a sugarcane harvester, and particularly relates to a sugarcane conveying device which is required to be configured by a vertical sugarcane harvester.

Background

In the process that the vertical sugarcane harvester conveys the sugarcane to the rear end hopper from the front end feeding device, a certain acting force needs to be applied to the sugarcane from the outside to enable the sugarcane to be in an upright posture, and meanwhile, the sugarcane is driven by the mechanism to move from a starting point to a terminal point.

From a theoretical point of view, there are many ways of conveying the sugarcane in an upright state, such as roller conveying, pallet conveying, flat push conveying, clamping conveying and the like. In existing whole-cane vertical cane harvesters, the transport of the cane is typically accomplished via a conveyor belt. For the clamping type conveying device, the type and arrangement mode of the conveying belt are very important for the smooth conveying of the sugarcane. The plate-type textile fiber conveying belt has high strength and hardness and small elastic deformation, and is mainly used for bearing type conveying; although the plate-type rubber conveyor belt has higher elasticity than the textile fiber conveyor belt, the clamping force formed by the compression of the two conveyor belts is relatively small.

Chinese patent application 201610156391.5 discloses a vertical light sugarcane harvester, which employs an entrainment device comprising a bottom-supporting chain, the bottom-supporting chain being tiled at a bottom position between a left side chain and a right side chain; the sugarcane is transported by clamping the sugarcane by the left chain and the right chain and supporting the bottom supporting chain together. The clamping transportation mode of the sugarcane has the following defects: 1. the sugarcane is clamped by the chains, so that the sugarcane is easily damaged; 2. the two symmetrical chains clamp the sugarcane, namely the sugarcane is clamped at two points, so that the sugarcane is not particularly stable, and the sugarcane is easy to incline in the transportation process.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a vertical sugarcane harvester's sugarcane conveyor, the device adopt the cavity rubber conveyer belt of omega shape structure to carry out the centre gripping transportation through three point position to the sugarcane, and the centre gripping is more stable, can make the sugarcane be in upright state always in the transportation, is a high-efficient, reliable sugarcane centre gripping conveyor.

The technical scheme for solving the technical problems is as follows: a sugarcane conveying device of a vertical sugarcane harvester comprises two rubber conveying mechanisms arranged side by side, wherein each rubber conveying mechanism comprises a guide wheel, an expansion bracket, a tensioner, a rack, a driving wheel and a clamping conveying assembly, each clamping conveying assembly comprises a driving belt and a rubber conveying belt arranged on the driving belt, the cross section of each rubber conveying belt is in an omega shape, two ends of each tensioner are hinged with the rack and the expansion bracket respectively, the driving wheel is arranged at the other end of the rack, the guide wheel is arranged at the other end of the expansion bracket, the driving belts are arranged on the driving wheel and the guide wheel and encircle the outer sides of the rack, the tensioner and the expansion bracket, one rubber conveying mechanism is provided with two clamping conveying assemblies respectively at the upper part and the lower part of the rack, the other rubber conveying mechanism is provided with one clamping conveying assembly at the middle part of the rack, and the feeding end of each rubber conveying mechanism is arranged in an outward inclined structure, the two rubber conveying mechanisms are arranged side by side to form a feed end with a horn-shaped opening.

The chain is an external roller chain, the chain rollers are connected with mounting plates, and the rubber conveying belt is connected with the mounting plates.

The mounting panel is installed in chain gyro wheel both sides, the terminal surface of mounting panel and the central line parallel and level of chain gyro wheel height.

The drive belt is a chain or a toothed belt.

The tensioner is a hydraulic cylinder or is comprised of a screw nut.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

1. the clamping conveying assembly formed by the chains and the rubber conveying belts adopts a 1+2 structural form, 1 chain and the rubber conveying belts are arranged along the longitudinal middle part of the rubber conveying mechanism on one side, and 2 chains and the rubber conveying belts are respectively arranged on the upper side and the lower side of the rubber conveying mechanism on the other side along the longitudinal middle part, so that the sugarcane is guaranteed to be clamped by three points in the conveying channel, and the clamping force is reliable.

2. The rubber conveyer belt is of an omega-shaped hollow structure, the generated elastic deformation is moderate, the deformation is large but the elastic force is not very large, the surface of the sugarcane is not damaged, and when the sugarcane leaves the clamping part, the rubber is quickly recovered.

3. The chain is an external roller chain, reliable roller support is provided, and the phenomenon that the rubber conveying belt sinks excessively to influence the clamping and conveying of the sugarcane is avoided.

4. Two groups of closed annular rubber conveying belts with the same rotating speed and opposite rotating directions are adopted, the vertical sugarcane is clamped by elastic pressing force generated in a mutually 'meshed' mode of straight-line sections of the conveying belts, and when the conveying belts are driven by power to rotate at a certain speed, the sugarcane is clamped for transmission.

5. The rubber conveyer belts of the two groups of rubber conveying mechanisms form proper clamping force due to the extrusion between the sugarcane and the rubber conveyer belts, so that the sugarcane is kept in an upright state, the surface of the sugarcane is not damaged, and the phenomena of deflection, kneading and falling are avoided.

6. The linear speed of the rubber conveyer belt keeps a coordinated linear relation with the movement speed of the feeding device at the front end, so that the sugarcane orderly enters a channel between the two groups of conveyer belts, and the phenomena of cross overlapping and jam blockage of the sugarcane are avoided.

The technical characteristics of the sugarcane conveying device of the vertical sugarcane harvester are further described in the following by combining the attached drawings and the embodiment.

Drawings

FIG. 1: the invention relates to a front view of a sugarcane conveying device of a vertical sugarcane harvester.

FIG. 2: the invention relates to a top view of a sugarcane conveying device of a vertical sugarcane harvester.

FIG. 3: fig. 1 is a sectional view (enlarged) taken along line a-a.

In the figure: 1-guide wheel, 2-telescopic frame, 3-rubber conveying belt, 4-pin I, 5-tensioner, 6-pin II, 7-frame, 8-driving wheel, 9-power device, 10-mounting plate and 11-chain roller.

Detailed Description

Example 1: a sugarcane conveying device of a vertical sugarcane harvester is shown in figures 1-3 and comprises two rubber conveying mechanisms arranged side by side, wherein each rubber conveying mechanism comprises a guide wheel 1, an expansion bracket 2, a tensioner 5, a rack 7, a driving wheel 8 and a clamping conveying assembly, and the driving wheel 8 is driven by a power device 9. The clamping conveyor assembly comprises a chain and a rubber conveyor belt 3 mounted on the chain, which moves when the chain moves. The section of the rubber conveying belt is in an omega shape, and the hollow rubber conveying belt can generate large integral deformation and generate proper elastic force. Two ends of the tensioner 7 are hinged to the rack 7 and the telescopic frame 2 through a pin I4 and a pin II 6 respectively, the driving wheel 8 is mounted at the other end of the rack, the guide wheel 1 is mounted at the other end of the telescopic frame 2, the chain is mounted on the driving wheel and the guide wheel and surrounds the rack, the tensioner and the telescopic frame are arranged on the outer side, one rubber conveying mechanism is provided with two clamping conveying assemblies on the upper portion and the lower portion of the rack respectively, the other rubber conveying mechanism is provided with one clamping conveying assembly in the middle of the rack, the three clamping conveying assemblies form a staggered and meshed state, so that sugarcane is subjected to three-point acting force after entering a conveying channel, and the formed clamping force is reliable. The feeding ends of the rubber conveying mechanisms are arranged to be of an outward inclined structure, the two rubber conveying mechanisms are arranged side by side to form the feeding ends with horn-shaped openings, the included angle of each horn-shaped opening is 10-15 degrees, the largest opening of each included angle meets the feeding device in the front, and linking channels with the same width are formed to ensure that the sugarcane can smoothly enter the middle of the two rubber conveying mechanisms from the feeding device in the front.

The mounting distance s between the two groups of rubber conveying mechanisms can be adjusted according to actual conditions, so that the sugarcane is subjected to moderate clamping force after entering the conveying belt. These include the average diameter of the cane, the varying stiffness of the rubber belt during use, and the linear speed of the rubber belt.

In this embodiment, the chain is an external roller chain, the chain is driven by the driving wheel to rotate, and a plurality of supporting wheels are arranged below the chain to bear the weight of the chain-rubber conveying belt, so as to ensure that the chain-rubber conveying belt can normally work. As an alternative, the support wheels may not be provided when the chain bearing capacity is sufficient. The chain roller 11 is connected with a mounting plate 10, and the rubber conveyer belt 2 is connected with the mounting plate 10 through rivets. The mounting panel 10 is installed in 11 both sides of chain gyro wheel, and the terminal surface of mounting panel and the central line parallel and level of chain gyro wheel height, the half high parallel and level of mounting panel terminal surface and chain gyro wheel promptly, the purpose of design like this is in order to reduce rubber conveyor's deflection.

As a variation of this embodiment, the hollow portion of the hollow rubber conveyer belt may be filled with a spongy substance of porous texture to increase the elasticity of the hollow rubber.

As an alternative to this embodiment, the chain may be replaced by a high strength toothed belt, with the rubber conveyor belt mounted directly on the outer surface of the toothed belt.

In this embodiment, the tensioner is a hydraulic cylinder for maintaining a certain tension on the rubber belt. When high-pressure hydraulic oil is injected into the hydraulic oil cylinder, the guide wheel is pushed to enable the rubber conveying belt to be in a stretched tensioning state, otherwise, the rubber conveying belt is in a loose state. As an alternative, the tensioner can also be formed by a screw nut. When the screw is rotated in one direction, the guide wheel is pushed to enable the rubber conveying belt to be in a stretched tensioning state, and when the screw is rotated in the other direction, the rubber conveying belt is enabled to be in a loose state. After the tightness is adjusted by rotating the screw rod every time, the locking nut is screwed down to ensure that the screw rod-nut does not loosen to change the stroke in the working process of the conveying device.

In the embodiment, the two rubber conveying mechanisms are commonly provided with the motor and the speed reducer, and the motor and the speed reducer output power and then are evenly distributed to the driving wheels of the two rubber conveying mechanisms through the transmission mechanism so as to automatically realize synchronous rotating speed control. As an alternative, the two rubber conveying mechanisms may be respectively provided with a motor and a reducer.

When the sugarcane enters the middle channel formed by the chains at the two sides and the rubber conveyer belt assemblies, the hollow rubber of the conveying mechanisms at the two sides is pressed and deformed due to the extrusion of the sugarcane, so that clamping force on the sugarcane is generated, the sugarcane is relatively static between the rubber conveyer belts and linearly moves along with the rubber conveyer belts.

The relative installation mode of the chain-rubber conveyer belt determines the magnitude of the clamping force. No matter which side of the conveying device is provided with the rubber belt, and the other side of the conveying device is provided with the two conveying belts, so that the normal conveying of the sugarcane is not influenced as long as the proper clamping force is generated through adjustment.

The linear speed of the rubber conveyer belt of the conveyer device keeps a coordinated linear relation with the movement speed of the conveyer device at the front end of the rubber conveyer mechanism, so that the sugarcane orderly and safely enters a channel between the two groups of conveyer belts from the front to be conveyed.

The invention adopts the installation mode of low front and high back, so that the driving wheel at the back end is higher than the guide wheel at the front end to form a certain back inclination angle, thereby being beneficial to the reasonable connection between the sugarcane and the feeding device at the front end in the transmission process and the smooth butt joint between the sugarcane and the blanking device at the back end.

The implementation mode of the invention is as follows: firstly, the conveying device forms proper clamping force, the sugarcane entering the conveying device can be reliably clamped no matter the diameter, roundness, height, sugarcane leaf removing rate and the like, the original upright state is maintained, and the surface of the sugarcane is not damaged; the conveying device realizes synchronous movement of the sugarcane and the conveying belt, and the sugarcane does not deflect, rub and fall off in the conveying process; thirdly, the conveying device realizes single clamping and ordered arrangement, and the phenomena of cross overlapping and jam blockage of the sugarcane cannot occur.

The key technology of the invention is as follows: two groups of the rubber conveying belts are arranged on the conveying chain, so that the fit clearance of the hollow profiling rubber conveying belts in an occluded state is formed, and the sugarcane enters the two groups of the rubber conveying belts in the occluded state to form a proper pressing force. The vertical elastic force generated by the deformation of the hollow rubber conveyer belt acts on the surface of the sugarcane to form friction force, so that the sugarcane is stably clamped, and the sugarcane can keep linear speed synchronous motion along with the rubber conveyer belt.

Claims

1. The utility model provides a sugarcane conveyor of vertical sugarcane harvester which characterized in that: comprises two rubber conveying mechanisms arranged side by side, wherein each rubber conveying mechanism comprises a guide wheel, a telescopic frame, a tensioner, a rack, a driving wheel and a clamping conveying assembly, the clamping and conveying assembly comprises a transmission belt and a rubber conveying belt arranged on the transmission belt, the cross section of the rubber conveying belt is in an omega shape, two ends of the tensioner are respectively hinged with the frame and the telescopic frame, the driving wheel is arranged at the other end of the frame, the guide wheel is arranged at the other end of the telescopic frame, the transmission belt is arranged on the driving wheel and the guide wheel and surrounds the outer sides of the frame, the tensioner and the telescopic frame, one of the rubber conveying mechanisms is provided with two clamping conveying assemblies on the upper portion and the lower portion of the rack respectively, the other rubber conveying mechanism is provided with one clamping conveying assembly in the middle of the rack, the feeding end of the rubber conveying mechanism is of an outward inclined structure, and the two rubber conveying mechanisms are arranged side by side to form a feeding end with a horn-shaped opening.

2. A sugar cane conveying device of a vertical sugar cane harvester according to claim 1, characterized in that: the chain is an external roller chain, the chain rollers are connected with mounting plates, and the rubber conveying belt is connected with the mounting plates.

3. A sugar cane conveying device of a vertical sugar cane harvester according to claim 2, characterized in that: the mounting panel is installed in chain gyro wheel both sides, the terminal surface of mounting panel and the central line parallel and level of chain gyro wheel height.

4. A sugar cane conveying device of a vertical sugar cane harvester according to any one of claims 1 to 3, characterized in that: the drive belt is a chain or a toothed belt.

5. A sugar cane conveying device of a vertical sugar cane harvester according to any one of claims 1 to 3, characterized in that: the tensioner is a hydraulic cylinder or is comprised of a screw nut.