Special channel type guide device for tobacco leaf harvesting machine
By installing symmetrical left and right guide devices on the tobacco harvester and communicating with the onboard computer, the problem of low efficiency in manual direction adjustment during operations in hilly and mountainous areas has been solved, achieving automatic guidance, improving harvesting efficiency and reducing tobacco plant loss.
Patent Information
- Application Number
- CN202520264381.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-19
AI Technical Summary
When existing tobacco harvesters operate in hilly and mountainous areas, they require frequent manual adjustments to their direction, resulting in low operating efficiency and the tobacco plants easily deviating from the center of the harvester's gantry, increasing harvesting losses.
The machine employs symmetrically arranged left and right guide devices, which communicate with the on-board computer via ABS probes to adjust the direction of the harvester in real time, thus achieving automatic guidance.
It enables automatic guidance of tobacco harvesters in hilly and mountainous areas, improving operational efficiency and reducing tobacco plant deviation and harvesting losses.
Smart Images

Figure CN223694366U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical equipment technical field especially relates to a passageway type guiding device special for tobacco leaf harvesting machine. BACKGROUND
[0002] Tobacco crop is an important economic crop in China, mainly planted in the hilly and mountainous regions of Yunnan, Guizhou and Sichuan, and the planting plots are distributed according to the hilly terrain, and most of the tobacco ridges are distributed in a curved line. During the tobacco leaf harvesting season, the tobacco leaf harvesting machine moves along the curved tobacco ridge, and the tobacco plant passes through the center of the gantry structure of the harvesting machine to complete the harvesting of each mature tobacco leaf. During the operation of the harvesting machine, if manual driving along the ridge is adopted, the direction of the harvesting machine needs to be frequently adjusted manually, which results in low operation efficiency and easy deviation of the driving direction along the ridge, causing the tobacco plant to deviate from the center of the gantry structure of the harvesting machine and increasing the scraping loss of the tobacco plant during the passing of the harvesting machine in the field. To solve the above problems, an automatic guiding device is needed to realize automatic guiding driving along the ridge and make each tobacco plant pass through the center of the gantry structure of the harvesting machine. SUMMARY
[0003] The utility model discloses to aim at the deficiency of prior art, provide a kind of passageway type guiding device special for tobacco leaf harvesting machine.
[0004] To achieve the above object, the present application adopts the following technical scheme:
[0005] The utility model provides a kind of passageway type guiding device special for tobacco leaf harvesting machine, including the left guiding device and right guiding device of symmetrical setting, the right guiding device includes right guiding rod;The right guiding rod is installed with right support seat by right steering piece, right ABS probe fixed support is installed on the right support seat, and right ABS probe fixed support is installed with right ABS probe;Right ABS probe is connected with vehicle-mounted computer communication.
[0006] Further, the right steering piece includes a right guiding rod fixed support, and the right guiding rod fixed support is sleeved with one end of the right guiding rod.
[0007] Further, the bottom of the right guiding rod fixed support is movably installed with the right support seat through a right guiding rod rotating shaft.
[0008] Further, the right support seat is installed with a right reset spring mounting column, and the right reset spring mounting column is connected with the right guiding rod rotating shaft through a right reset spring.
[0009] Further, the right support seat is installed with a right positioning column.
[0010] Further, the right positioning column is installed on one side of the right guiding rod fixed support.
[0011] Further, the structure of the left guiding device is consistent with the structure of the right guiding device.
[0012] Further, the left guiding device and the right guiding device are arranged at intervals.
[0013] The utility model discloses the beneficial effect is: adopt the passage formula guiding device, when the trumpet mouth meets the front deviation tobacco plant, left guide pole or right guide pole will produce touch deviation, and guiding device will export corresponding deviation signal to the vehicle-mounted host computer, and the vehicle-mounted host computer receives left deviation or right deviation signal, and control driving system lets the harvesting machine deflect along the front tobacco plant deviation direction, realizes automatic guiding travel.
[0014] Tobacco planting adopts the ridge transplanting mode, and many tobacco ridges in hilly areas extend along the terrain, are in curve or arc shape, and every tobacco is planted on the ridge every 0.5 m, in the harvesting season, the harvesting machine advances along the ridge, and every tobacco passes through the center of the harvesting machine operation surface. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a kind of passage formula guiding device structure schematic view of special use of tobacco leaf harvesting machine;
[0016] Figure 2 It is a kind of passage formula guiding device center position structure schematic view of special use of tobacco leaf harvesting machine;
[0017] Figure 3 It is a kind of passage formula guiding device movement schematic view of special use of tobacco leaf harvesting machine when the front tobacco plant deviates right;
[0018] Figure 4 It is a kind of passage formula guiding device movement schematic view of special use of tobacco leaf harvesting machine when the front tobacco plant deviates left. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below with reference to the drawings.It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0020] Please refer to Figure 1 And Figure 2 A kind of passage formula guiding device of special use of tobacco leaf harvesting machine, including symmetrically arranged left guiding device and right guiding device, the right guiding device includes right guiding rod 1;Right guiding rod 1 is installed with right support seat 101 by right steering piece, right ABS probe fixed bracket 5 is installed on right support seat 101, right ABS probe fixed bracket 5 is installed with right ABS probe 2;Right ABS probe 2 is connected with vehicle-mounted computer communication.
[0021] In a specific embodiment, the right support base 101 is mounted on the harvester.
[0022] The right steering member comprises a right guide rod fixing support 6, which is sleeved with one end of the right guide rod 1.
[0023] In a specific embodiment, after one end of the right guide rod 1 penetrates into the right guide rod fixing support 6, a screw is passed through the right guide rod 1 from the right guide rod fixing support 6, so that the right guide rod 1 is fixed with the right guide rod fixing support 6.
[0024] The bottom of the right guide rod fixing support 6 is movably mounted with the right support base 101 through a right guide rod rotating shaft 8.
[0025] The right support base 101 is mounted with a right reset spring mounting column 3, which is connected with the right guide rod rotating shaft 8 through a right reset spring 4.
[0026] The right support base 101 is mounted with a right positioning column 7.
[0027] In a specific embodiment, the right positioning column 7 can play a limiting role, so that the right reset spring 4 can only be stretched and cannot be compressed.
[0028] The right positioning column 7 is mounted on one side of the right guide rod fixing support 6.
[0029] The structure of the left guide device is consistent with that of the right guide device, and the mounting mode is also consistent.
[0030] That is, one end of the left guide rod 16 is mounted with the left guide rod fixing support 9, the bottom of the left guide rod fixing support 9 is movably mounted with the left support base 102 through a left guide rod rotating shaft 10; a positioning support 11 is mounted on the left support base 102, and the positioning support 11 is mounted on one side of the left guide rod 16; a left ABS probe fixing support 12 is mounted with the left support base 102, the left ABS probe fixing support 12 is mounted with a left ABS probe 15, the left support base 102 is mounted with a left reset spring mounting support 14, and the left guide rod fixing support 9 and the left reset spring mounting support 14 are mounted with a left reset spring 13.
[0031] The left guide device and the right guide device are arranged at intervals.
[0032] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail as follows:
[0033] The guide device is mounted at the front end of the center position of the working surface of the harvester;
[0034] The left guide rod 16 and the right guide rod 1 form a guide-in type horn, which is convenient for guiding the left or right deviation tobacco plant in front to enter; when the harvester advances along the ridge, the tobacco plant in front firstly passes through the guide rod channel, and when the tobacco plant in front is opposite to the channel, the tobacco plant will pass through the middle of the channel and will not touch the horn, and the guide rod will not be deflected;
[0035] Please refer to Figure 3 When the tobacco plant in front deviates to the right, the right guide rod 1 of the guide device is firstly touched, the right guide rod 1 and the right guide rod fixed support 6 rotate as a whole with the right guide rod rotating shaft 8 as the center, the right guide rod 1 at the front end of the right guide rod rotating shaft 8 deviates to the right, the right guide rod 1 at the rear end of the right guide rod rotating shaft 8 deviates to the right, the distance between the right guide rod fixed support 6 and the right ABS probe 2 changes, the front end sensing surface of the right ABS probe 2 no longer closely adheres to the side surface of the right guide rod fixed support 6, the right ABS probe 2 sends a right deviation signal to the vehicle-mounted computer, the vehicle-mounted computer controls the driving system to make the whole harvester deviate to the right, with the deviation of the whole harvester, the tobacco plant deviating to the right no longer presses the right guide rod 1, under the action of the right reset spring 4, the right guide rod 1 resets, the front end sensing surface of the right ABS probe 2 closely adheres to the side surface of the right guide rod fixed support 6 again, the right ABS probe 2 sends a stop deviation signal (0 level) to the vehicle-mounted computer, and the harvester stops turning to the right.
[0036] Please refer to Figure 4 When the tobacco plant in front deviates to the left, the left guide rod 16 of the guide device is firstly touched, the left guide rod 16 and the left guide rod fixed support 9 rotate as a whole with the left guide rod rotating shaft 10 as the center, the left guide rod at the front end of the left guide rod rotating shaft 10 deviates to the left, the left guide rod at the rear end of the left guide rod rotating shaft 10 deviates to the right, the distance between the left guide rod fixed support 9 and the left ABS probe 15 changes, the front end sensing surface of the left ABS probe 15 no longer closely adheres to the side surface of the left guide rod fixed support 9, the left ABS probe 15 sends a left deviation signal (high level signal) to the vehicle-mounted computer, the vehicle-mounted computer controls the driving system to make the whole harvester deviate to the left, with the deviation of the whole harvester, the tobacco plant deviating to the left no longer presses the left guide rod 16, under the action of the left reset spring 13, the left guide rod 16 resets, the front end sensing surface of the ABS probe 15 closely adheres to the side surface of the left guide rod fixed support 9 again, the ABS probe 15 sends a stop deviation signal to the vehicle-mounted computer, and the harvester stops turning to the right.
[0037] That is, the left guide device and the right guide device are symmetrically installed at the front end of the harvester, the guide device signal line is connected with the signal acquisition end of the vehicle-mounted computer of the harvester (and the required direct current power supply is provided for the guide device), the vehicle-mounted computer increases the deviation signal processing subroutine, the guide device becomes a part of the driving system of the harvester. When the harvester enters the field for harvesting, the automatic alignment-to-ridge guiding driving can be started, and the harvester automatically adjusts the advancing direction through the guide device and always travels along the tobacco ridge.
[0038] The above-described embodiments only express the implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. A channel guide for a tobacco harvester, characterized by: It comprises left and right guide devices symmetrically arranged, the right guide device comprises a right guide rod (1); the right guide rod (1) is installed with a right support base (101) through a right steering part, the right support base (101) is installed with a right ABS probe fixing support (5), the right ABS probe fixing support (5) is installed with a right ABS probe (2); the right ABS probe (2) is connected with a vehicle-mounted computer in communication.
2. A channel guide for a tobacco harvester as defined in claim 1 wherein: The right steering part comprises a right guide rod fixing support (6), the right guide rod fixing support (6) is sleeved with one end of the right guide rod (1).
3. A channel guide for a tobacco harvester as defined in claim 2 wherein: The bottom of the right guide rod fixing support (6) is movably installed with the right support base (101) through a right guide rod rotating shaft (8).
4. A channel guide for a tobacco harvester as defined in claim 3 wherein: The right support base (101) is installed with a right reset spring mounting column (3), the right reset spring mounting column (3) is connected with the right guide rod rotating shaft (8) through a right reset spring (4).
5. A channel guide for a tobacco harvester as defined in claim 4 wherein: The right support base (101) is installed with a right positioning column (7).
6. A channel guide for a tobacco harvester as defined in claim 5, wherein: The right positioning column (7) is installed on one side of the right guide rod fixing support (6).
7. A channel guide for a tobacco harvester as defined in claim 6 wherein: The structure of the left guide device is consistent with that of the right guide device.
8. A channel guide for a tobacco harvester as defined in claim 7, wherein: The left guide device and the right guide device are arranged at intervals.