CN216492060U

CN216492060U - Root cutter assembly of sugarcane harvester and cutter shaft thereof

Info

Publication number: CN216492060U
Application number: CN202123318464.1U
Authority: CN
Inventors: 张伟; 杨晓峰; 赵亚锋; 王光红; 谷贤翔
Original assignee: Zhonglian Agricultural Machinery Co ltd
Current assignee: Zhonglian Agricultural Machinery Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-13
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a root cutter assembly of a sugarcane harvester and a cutter shaft of the root cutter assembly, wherein the root cutter shaft of the sugarcane harvester comprises an upper cutter shaft welded joint, a lower cutter shaft welded joint and a safe connecting device, the safe connecting device is provided with a sleeve, two ends of the sleeve are respectively welded with a connecting flange plate in an intermittent mode, the connecting flange plate at one end of the sleeve is welded with the upper cutter shaft in a coaxial positioning mode, and the connecting flange plate at the other end of the sleeve is welded with the lower cutter shaft in a coaxial positioning mode. The utility model improves the prior whole-section welding root cutter shaft into a sectional assembly root cutter shaft with a safe connecting device, the safe connecting device is processed by adopting an intermittent welding mode, and the root cutter is broken from the safe connecting device when being impacted or overloaded, thereby avoiding the damage of important parts and the high maintenance cost caused when the root cutter assembly is impacted or overloaded.

Description

Root cutter assembly of sugarcane harvester and cutter shaft thereof

Technical Field

The utility model relates to the technical field of sugarcane harvesting, in particular to a root cutter assembly of a sugarcane harvester and a cutter shaft of the root cutter assembly.

Background

Sugar cane is a tropical and subtropical crop, a raw material for the production of sucrose, and can be used to extract ethanol as an energy substitute. The world sugarcane production countries comprise Brazil, India, China and the like, and the sugarcane planting areas in China are mainly concentrated in hilly lands such as Guangxi, Yunnan and Guangdong. The sugarcane harvester is a mechanical device for replacing manpower to finish the working processes of cutting, impurity removal, loading and the like of sugarcane, and mainly comprises a tip cutter, a gathering device, a root cutter assembly, a conveying assembly, a fan and the like. The sugarcane harvester root cutter assembly cuts off the sugarcane along the root and conveys the cut sugarcane to the conveying assembly. The root sword assembly is installed in the frame front portion, and ground clearance is less, probably appears the condition with the foreign matter striking when transporting, results, and the impact that produces under this condition easily causes the damage of box, gear, oil blanket etc. in the root sword assembly. In hilly areas, large stones are often generated, and if the stones are not cleaned in time during planting and harvesting, the large stones are easily fed into the root cutter during cutting into soil to cause overload. When the root cutter assembly is overloaded, the gear may have the root broken, the root cutter shaft may have the integral deformation, etc. When parts such as a box body, a gear, a cutter shaft and the like in the root cutter assembly are damaged and need to be maintained and replaced, the root cutter assembly needs to be integrally disassembled to be maintained and replaced, and higher material cost and longer working time cost are generated under the condition. In order to avoid damage to the root cutter assembly and higher maintenance cost, good transition and harvesting conditions are mainly created for the sugarcane harvester by manpower, such as manually treating larger stones in the field. But a few of sugarcane harvesters still have the damage of parts in the root cutter assembly caused by impact and overload every year.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a root cutter assembly of a sugarcane harvester and a cutter shaft of the root cutter assembly.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sugarcane harvester root sword arbor, includes upper cutter axle seam, lower cutter axle seam and safe connecting device, safe connecting device is equipped with the sleeve pipe, a flange disc is intermittently welded respectively at sheathed tube both ends, the flange disc of sleeve pipe one end with upper cutter axle seam coaxial positioning connects, the flange disc of the sleeve pipe other end with lower cutter axle seam coaxial positioning connects.

Furthermore, an upper cutter shaft flange plate is arranged at the welding bottom end of the upper cutter shaft, and a connecting flange plate at one end of the sleeve is coaxially positioned and connected with the upper cutter shaft flange plate through a reamed hole bolt.

Further, a lower cutter shaft flange plate is arranged at the top end of the lower cutter shaft welding part, and a connecting flange plate at the other end of the sleeve is coaxially positioned and connected with the lower cutter shaft flange plate through a reamed hole bolt.

Furthermore, the intermittently welded multi-section welding lines are uniformly distributed.

Furthermore, the safety connecting device is made of carbon steel.

The utility model provides a sugarcane harvester root sword assembly, includes the gear box body, drive gear passes through the bearing and installs inside the gear box body, be equipped with foretell sugarcane harvester root sword arbor on the drive gear, the cutter disc is installed to the lower extreme of sugarcane harvester root sword arbor.

Compared with the prior art, the utility model has the following advantages:

1. the utility model improves the prior whole-section type root cutter welding cutter shaft into a sectional type root cutter assembling cutter shaft with a safety connecting device, the safety connecting device is processed by adopting an intermittent welding mode, and the root cutter is broken from the safety connecting device when being impacted or overloaded, thereby avoiding the damage of important parts and the high maintenance cost caused when the root cutter assembly is impacted or overloaded.

2. The upper cutter shaft welding part and the lower cutter shaft welding part are connected with the safety connecting device in a positioning mode through the reamed hole bolts, and the dynamic balance performance consistent with that of the cutter shaft of the whole-section type welding root cutter can be guaranteed.

3. The safety connecting device is manufactured in an intermittent welding mode, the structure is simple, and the processing cost of the root cutter assembly is reduced.

Drawings

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

fig. 2 is a schematic view of a safety coupling device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The first embodiment is as follows:

referring to fig. 1 and 2, the root cutter shaft of the sugarcane harvester comprises an upper cutter shaft welding part 1, a lower cutter shaft welding part 2 and a safety connecting device 3, wherein the safety connecting device is provided with a sleeve 31, two ends of the sleeve are respectively and intermittently welded with a connecting flange 32, the connecting flange 32 at one end of the sleeve is coaxially positioned and connected with the upper cutter shaft welding part, and the connecting flange 32' at the other end of the sleeve is coaxially positioned and connected with the lower cutter shaft welding part.

Referring to fig. 1, in the present embodiment, the root cutter shaft of the sugarcane harvester is assembled by an upper cutter shaft welding 1, a lower cutter shaft welding 2 and a safety connection device 3, an upper cutter shaft flange 9 is arranged at the bottom end of the upper cutter shaft welding, and a connection flange 32 at one end of a sleeve is coaxially positioned and connected with the upper cutter shaft flange through a reamed hole bolt 4. The lower cutter shaft welding top end is provided with a lower cutter shaft flange 10, and a connecting flange 32' at the other end of the sleeve is coaxially positioned and connected with the lower cutter shaft flange through a reamed hole bolt. The upper cutter shaft welding and the lower cutter shaft welding are mutually positioned with the safety connecting device through the reamed hole bolt to ensure the assembly precision, and the dynamic balance performance consistent with the cutter shaft of the whole-section type welding root cutter can be ensured.

Referring to fig. 2, in this embodiment, the safety connection device includes a sleeve and connection flanges at two ends, the connection flanges at two ends and the sleeve are processed into a whole by intermittent welding, and several welding seams of the intermittent welding need to be uniformly distributed. The safety connection device is made of common carbon steel materials, such as Q235A, Q235B, Q355B, Q355D and the like. The use of 40Cr materials of the root cutter shaft is reduced under the condition of meeting the working strength, and the production and maintenance cost of the root cutter assembly is reduced.

The utility model improves the prior whole-section type root cutter welding cutter shaft into a sectional type root cutter assembling cutter shaft with a safe connecting device, the safe connecting device is processed by adopting an intermittent welding mode, the welding strength of the upper cutter shaft and the lower cutter shaft is higher, the welding strength of the safe connecting device is weaker, when the root cutter is impacted or overloaded, the welding seam of the intermittent welding of the safe connecting device is broken, the lower cutter shaft is welded and falls off, and the important parts of the root cutter assembly are prevented from being impacted or overloaded and damaged and the high maintenance cost is avoided.

In this embodiment, the impact applied to the root blade assembly is referred to as an impact load, and the impact load is applied to the member in a short time. Overload refers to exceeding the strength or stiffness limit of the components in the root cutter assembly.

Example two:

referring to fig. 1, a sugarcane harvester root cutter assembly comprises a gear box body 5, a box cover 8 is arranged on the gear box body, a transmission gear 6 is installed inside the gear box body through a bearing, a sugarcane harvester root cutter shaft disclosed in the first embodiment is assembled on the transmission gear, and a cutter disc 7 is installed at the lower end of the sugarcane harvester root cutter shaft.

In this embodiment, the sugarcane harvester root cutter assembly has two sugarcane harvester root cutter shafts in total, the two sugarcane harvester root cutter shafts have the same structure, and the lower end of each sugarcane harvester root cutter shaft is provided with a cutter disc 7.

By adopting the root cutter shaft disclosed by the embodiment I, important parts in a root cutter assembly of the sugarcane harvester can be effectively protected, and meanwhile, the maintenance is convenient.

When the root cutter is impacted or overloaded, the strength of the intermittent welding part of the safety connecting device is relatively weak, overlarge torque or impact can break from the welding line of the intermittent welding, and the cutter head falls off, so that the important parts such as the gear box body, the gear and the like are protected.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. The utility model provides a sugarcane harvester root sword arbor which characterized in that: including last arbor seam (1), lower arbor seam (2) and safe connecting device (3), safe connecting device is equipped with sleeve pipe (31), a flange plate (32) of intermittent welding respectively at sheathed tube both ends, the flange plate of sleeve pipe one end with go up arbor seam coaxial positioning and connecting, the flange plate of the sleeve pipe other end with lower arbor seam coaxial positioning and connecting.

2. The cane harvester root knife arbor of claim 1, characterized in that: an upper cutter shaft flange plate (9) is arranged at the bottom end of the upper cutter shaft welded joint, and a connecting flange plate at one end of the sleeve is coaxially positioned and connected with the upper cutter shaft flange plate through a reaming bolt (4).

3. The cane harvester root knife arbor of claim 1, characterized in that: and a lower cutter shaft flange plate (10) is arranged at the top end of the lower cutter shaft welded joint, and a connecting flange plate at the other end of the sleeve is coaxially positioned and connected with the lower cutter shaft flange plate through a reamed hole bolt.

4. The cane harvester root knife arbor of claim 1, characterized in that: the intermittently welded multi-section welding lines are uniformly distributed.

5. The cane harvester root knife arbor of claim 1, characterized in that: the safety connecting device is made of carbon steel.

6. The utility model provides a sugarcane harvester root sword assembly, includes gearbox housing (5), and drive gear (6) are installed through the bearing inside the gearbox housing, its characterized in that: the transmission gear is provided with the sugarcane harvester root cutter shaft according to any one of claims 1 to 5, and a cutter head (7) is installed at the lower end of the sugarcane harvester root cutter shaft.