CN-121970602-A - Wide-width posture guiding and auxiliary feeding mechanism of sugarcane harvester and sugarcane harvester

CN121970602ACN 121970602 ACN121970602 ACN 121970602ACN-121970602-A

Abstract

The invention provides a wide-width posture guiding and auxiliary feeding mechanism of a sugarcane harvester and the sugarcane harvester, and belongs to the technical field of agricultural machinery. According to the scheme, the wide-width gesture guiding and auxiliary feeding mechanism of the sugarcane harvester and the sugarcane harvester are provided with the chain type gesture guiding mechanism and the spiral type gesture guiding mechanism, so that the existing method of forcibly folding to a narrow clamping opening is abandoned, and a wide enough dynamic limiting channel is constructed through the chain type gesture guiding mechanism or the spiral type gesture guiding mechanism of the active guiding components on two sides, so that the harvesting difficulty in a wide-width planting mode is solved, the harvester can adapt to a large-ridge double-row planting belt with the height of more than 60 cm, and the stalk breakage and root pulling caused by too-rapid folding are effectively avoided.

Inventors

WEI SHUZHUANG
CHEN XINFA
HUANG SHAN
Huang Xuepiao

Assignees

黄雪晶
陈鑫发

Dates

Publication Date: 20260505
Application Date: 20260320

Claims (10)

1. The broad-width gesture guiding and auxiliary feeding mechanism of the sugarcane harvester comprises an active guiding component and a driving device, and is characterized in that the mechanism is arranged on a header main frame, a crop feeding channel is arranged at the front side of the header main frame, the working range of the mechanism is independent of other conveying mechanisms on the harvester, sugarcane can be smoothly guided to the header, active guiding components are arranged at two sides of the feeding channel, each active guiding component is provided with an effective operation profile protruding towards the longitudinal center line direction of the crop feeding channel, the active guiding components are in transmission connection with the driving device, the driving device is used for driving the active guiding components to move, the effective operation profile forms a dynamic limit boundary in the crop feeding channel, the effective operation profile of each active guiding component is configured to form a one-way closed dynamic interception interface in the whole longitudinal section covered by the track of the effective operation profile, stalks are prevented from passing through the guiding components at the left side and the right side, and the center point of the front end and the rear end of the longitudinal section is vertically dropped by less than 15 cm.
2. The broad-width gesture guiding and auxiliary feeding mechanism of the sugarcane harvester according to claim 1, wherein the active guiding component is a chain gesture guiding mechanism, the chain gesture guiding mechanism comprises a chain body and gesture guiding units, the gesture guiding units are arranged on the chain body at intervals, the gesture guiding units comprise connecting parts and first extending parts, the connecting parts are connected with the chain body, the first extending parts are cantilever structures, a driving device matched with the chain body is arranged on the header main frame, and the driving device is used for driving the chain body to do circular motion; The active guiding assembly discharges sugarcane in two modes, namely an auxiliary discharging assembly is arranged at the conveying end of the active guiding assembly, a guiding surface facing the direction of the crop feeding channel close to the center line is arranged on the auxiliary discharging assembly, the guiding surface is in a structure protruding inwards gradually relative to the feeding channel along the conveying direction, and the gesture guiding unit is folded towards the chain body when moving to the position not exceeding the inflection point at the rear end of the chain body.
3. The broad gesture guidance and auxiliary feeding mechanism of a sugar cane harvester of claim 2, wherein the first extension has a structural form selected from any one of a plate-like structure, a rod-like structure, a frame structure, or an integrally formed profiled structure.
4. The broad-width posture guiding and auxiliary feeding mechanism of sugarcane harvester according to claim 2, wherein the cantilever structure is a foldable structure, the connecting portion is configured as a pivot connecting structure, the posture guiding unit is connected to the chain through the connecting portion and can pivot relative to the chain body so as to realize folding or unfolding, the posture guiding unit is provided with a second extending portion extending towards the inner side of the chain body, the inner side of the chain body is provided with a posture control guide rail, the front portion of the posture control guide rail is provided with a tapered guiding inlet, and the tapered guiding inlet is of a tapered structure narrowed by a width.
5. The broad gesture guide and auxiliary feeding mechanism of sugarcane harvester according to claim 4, wherein a roller or a wear-resistant boss is arranged at a contact part of the tail end of the second extension part and the gesture control guide rail, a flaring guide section is arranged at one side of the gesture control guide rail, and when the gesture guide unit moves along with the chain body to the vicinity of the flaring guide section, the second extension part is gradually guided onto the gesture control guide rail, so that the cantilever structure is turned from a folded state to an unfolded state.
6. The broad gesture guidance and auxiliary feeding mechanism of claim 4, further comprising a folding trigger disposed on one side of the feed channel, wherein when the gesture guidance unit is moved to a position where the feed channel is near the rear end and the control trailing arm body is separated from the gesture control guide rail, the first extension portion contacts the folding trigger such that the first extension portion is folded toward the chain body.
7. The broad-width posture guiding and auxiliary feeding mechanism of a sugarcane harvester according to claim 1, wherein the active guiding component is a spiral posture guiding mechanism, the spiral posture guiding mechanism comprises a spiral guiding structural member, a guiding rod support and a driving mechanism, the spiral guiding structural member is provided with a spiral operation contour extending along the axial direction of the spiral guiding structural member, the spiral operation contour is in a structural form selected from one of a spiral solid rod, a shaft rod with the spiral guiding structural member, a shaftless spiral body and a spiral space truss, the effective spiral operation contour of the spiral guiding structural member is rotated in the direction that when the spiral guiding structural members on two sides relatively rotate, a conveying component which points to the rear is generated at the position where the contour of the spiral guiding structural member contacts with crops, the guiding rod support is mounted on the front portion of the header main frame, the spiral guiding structural member is arranged on two sides of a crop feeding channel, the spiral guiding structural member is rotatably mounted on the guiding rod support, the driving mechanism is connected with the spiral guiding structural member, the driving mechanism is used for driving the spiral guiding structural member to rotate around the axis of the spiral structural member, and the two sides of the spiral structural member cannot reserve a clearance between the outer peripheral surfaces of the spiral structural member and the crop feeding channel.
8. The broad gesture guidance and auxiliary feeding mechanism of claim 7, further comprising an axial end surface protection and guide portion disposed at the front end of the helical guide structure, the axial end surface protection and guide portion being disposed at an axially central region covering the front end of the helical guide structure and at an outer region remote from the center line of the crop feed channel, thereby forming a restrictive feeding port toward the center line of the crop feed channel for forcing crop stalks into the range of action of the helical guide profile of the helical guide structure only from the inner partial region of the front end of the helical guide structure.
9. The broad gesture guidance and auxiliary feeding mechanism of a sugar cane harvester of claim 7 wherein the pitch of the forward most coil profile of the helical guide structure is greater than the pitch of the coil profile located rearward thereof.
10. The sugarcane harvester comprises the wide-width gesture guiding and auxiliary feeding mechanism of the sugarcane harvester, and is characterized by further comprising a cutting mechanism, a clamping conveying mechanism and a travelling mechanism, wherein the gesture guiding and auxiliary feeding mechanism, the cutting mechanism and the clamping conveying mechanism are sequentially arranged on the travelling mechanism, the sugarcane harvester adopts a mode of gesture guiding, cutting and clamping conveying, and the clamping conveying mechanism is used for receiving and conveying sugarcane which is conveyed after cutting.

Description

Wide-width posture guiding and auxiliary feeding mechanism of sugarcane harvester and sugarcane harvester Technical Field The invention relates to the technical field of agricultural machinery, in particular to a wide-width posture guiding and auxiliary feeding mechanism of a sugarcane harvester and the sugarcane harvester. Background Sugarcane is a variety with high mechanical harvesting difficulty, the current sugarcane main production area is various in planting mode, the large-ridge double-row planting factor can effectively improve the yield of the sugarcane, meanwhile, the mechanical planting difficulty and crop lodging risk are reduced, but the planting belt width is often over 60 cm under the influence of the sugarcane tillering characteristic, and the planting belt width is difficult to match with the operation specification of the existing sugarcane harvester, and particularly, when the 'lifting-vertical conveying' harvesting technology is applied, a plurality of technical difficulties are faced. In the prior art, the sugarcane is firstly gathered to a narrow area through the entrainment device or the gesture guiding device and then sent to the entrainment channel to finish cutting operation, however, the problem that stalks are broken off and crop root is pulled out easily occurs in the process of gathering the sugarcane to the entrainment port due to insufficient clamping width of equipment, meanwhile, the entrainment and the travelling speed are required to be matched, so that the wide harvesting and entrained feeding flow cannot be matched, the entrainment speed is increased, the root pulling is more caused, the front-back inclination of the existing gesture guiding device is too large, the situation that the root pulling occurs due to the fact that the bent part of the sugarcane is clamped and the upward movement of the sugarcane section is caused, the operation mode of clamping before cutting and the gesture guiding mode of gathering the sugarcane to the too narrow area are the core symptom that the existing equipment cannot adapt to wide harvesting, and if the harvesting technology of clamping after cutting is adopted, a sugarcane supporting structure is additionally arranged in the cutting stage to optimize the cutting effect, and an additional guiding mechanism is additionally arranged to support the sugarcane and avoid the situation that the sugarcane root is tilted forward after cutting and the sugarcane smoothly enters the rear entrainment device after cutting on the other hand. Therefore, the application provides a broad-width gesture guiding and auxiliary feeding mechanism of a sugarcane harvester and the sugarcane harvester to meet the requirements. Disclosure of Invention The invention provides a wide-width posture guiding and auxiliary feeding mechanism of a sugarcane harvester and the sugarcane harvester, which are used for solving the technical problem of toppling in the existing sugarcane harvesting process. In order to solve the technical problems, the invention provides the following technical scheme: The utility model provides a sugarcane harvester broad width gesture guide and supplementary feeding mechanism and sugarcane harvester, includes active guide subassembly and drive arrangement, its characterized in that, one side of header body frame is equipped with crop feeding passageway, the both sides of feeding passageway are equipped with active guide subassembly, active guide subassembly all has to the outstanding effective operation profile of crop feeding passageway longitudinal centerline direction, active guide subassembly installs on the header body frame, active guide subassembly transmission is connected with drive arrangement, drive arrangement is used for driving active guide subassembly motion, makes effective operation profile form dynamic limit boundary in the crop feeding passageway, active operation profile of active guide subassembly is configured to be in the whole longitudinal section that the orbit of effective operation profile covers, forms one-way confined dynamic interception interface for the sugarcane only can the backward motion after entering, and can't pass forward from between the guide subassembly of left and right sides any more, the vertical fall of longitudinal section front and back end central point is less than 15 centimetres. Optionally, the active guiding component is a chain type posture guiding mechanism, the chain type posture guiding mechanism comprises a chain body and posture guiding units, the posture guiding units are arranged on the chain body at intervals, the posture guiding units comprise connecting parts and first extending parts, the connecting parts are connected with the chain body, the first extending parts are cantilever structures, a driving device matched with the chain body is arranged on the header main frame, and the driving device is used for driving the chain body to do circular motion; the automatic sugarcane