Obstacle avoidance type weeding device

By introducing obstacle avoidance mechanism controlled by active gears and hydraulic rods in the lawn mower, automatic obstacle avoidance and cutting height adjustment are achieved, solving the problem of inefficiency of traditional lawn mowers in the orchard, and improving weeding efficiency and flexibility.

CN222263659UActive Publication Date: 2024-12-31HUBEI CHENFENG AGRICULTURE CO LTD
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Patent Information

Application Number
CN202421669196.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2024-12-31
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Traditional lawn mowers need to frequently evade fruit trees in orchards, resulting in inefficient weeding.

Method used

An obstacle avoidance weeding device is designed to drive the driven gear and the cutting knife to achieve rotation obstacle avoidance through the driving gear and the cutting knife. Combined with the hydraulic rod to control the lifting and landing of the support arm, automatic obstacle avoidance and cutting height adjustment is achieved.

Benefits of technology

It improves the weeding efficiency, avoids fierce collision between the cutting machine and obstacles, enhances the flexibility and practicality of the device, and reduces the need for manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an obstacle avoidance type weeding device, which relates to the technical field of weeding devices and comprises a mowing mechanism, one side of the outer wall of the mowing mechanism is fixedly connected with a supporting mechanism, the mowing mechanism comprises a protective shell, and the top of the inner wall of the protective shell is fixedly connected with a driving motor. Under the action of the mowing mechanism, the driving gear is arranged to drive the three driven gears to rotate, so that the cutting device can control the three groups of blades to perform rotary weeding at the same time, and then the self-locking bearing additionally arranged at the top of the protective shell is utilized to enable the self-locking bearing to rotate when fruit tree obstacles appear in front of the self-locking bearing. By means of the rotary obstacle avoidance mode, the whole device or the cutting device does not need to be manually moved or subjected to redundant operation, the cutting device can avoid obstacles under the condition that the weeding state is kept, the cutting efficiency is improved, fierce collision between the cutting machine and the obstacles is avoided, and the weeding efficiency is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of weeding devices, in particular to an obstacle avoidance weeding device. Background Art

[0002] Weed eaters have sharp blades or a rotating blade system that can more thoroughly cut the stems and leaves of weeds. This can ensure that the weeds are completely removed, reducing the chance of regrowth and providing a longer-lasting weed control effect.

[0003] In the prior art, most traditional lawn mowers cannot quickly avoid obstacles on the weeding path. Most of them are controlled by operators to control the position of the lawn mower to avoid obstacles. Especially in orchards, existing lawn mowers need to frequently avoid fruit trees, which wastes a lot of time and affects the weeding efficiency. Utility Model Content

[0004] The utility model aims to solve the problem that when the above-mentioned equipment is in use, the existing lawn mower needs to frequently perform avoidance operations on the fruit trees, which wastes a lot of time and affects the weeding efficiency, and proposes an obstacle avoidance weeding device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an obstacle avoidance weeding device, comprising a mowing mechanism, one side of the outer wall of the mowing mechanism is fixedly connected to a supporting mechanism;

[0006] The mowing mechanism includes a protective shell, the top of the inner wall of the protective shell is fixedly connected to a driving motor, the output end of the driving motor is fixedly installed with a transmission shaft, the bottom of the transmission shaft is fixedly connected to a driving gear, the outer wall of the driving gear is meshingly connected with three driven gears, the bottoms of the three driven gears are fixedly connected to connecting blocks, the bottoms of the three connecting blocks are fixedly connected to cutting knives, the tops of the three driven gears are fixedly connected to first connecting columns, the outer walls of the three first connecting columns are fixedly sleeved with first bearings, and the tops of the three first bearings are fixedly connected to the top of the inner wall of the protective shell.

[0007] Preferably, three groups of protection columns are fixedly connected to the bottom of the protection shell, and the outer walls of the three groups of protection columns are fixedly sleeved with annular blocking rods.

[0008] Preferably, a self-locking bearing is fixedly connected to the top of the protective shell, and a second connecting column is fixedly inserted into the inner surface wall of the self-locking bearing.

[0009] Preferably, the supporting mechanism includes a connecting seat, a connecting rod is fixedly connected to one side of the outer wall of the connecting seat, two hydraulic rods are movably sleeved on the outer wall of the connecting rod, the outer walls of the two hydraulic rods are each provided with holes, and a connecting shaft is movably inserted between the inner walls of the two holes.

[0010] Preferably, a connecting plate is fixedly sleeved on the outer wall of the connecting shaft, and a supporting arm is fixedly connected to the bottom of the connecting plate.

[0011] Preferably, a bracket is movably sleeved on the outer wall of the support arm, and one side of the outer wall of the bracket is fixedly connected to one side of the outer wall of the connecting seat.

[0012] Preferably, the top of the second connecting column is fixedly connected to the bottom of the supporting arm.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] In the utility model, under the action of the mowing mechanism, a driving gear is provided to drive three driven gears to rotate, so that the cutting device can simultaneously control three sets of blades to perform rotary weeding, and then use the self-locking bearing added on the top of the protective shell to make it possible to use the rotary obstacle avoidance method to achieve the goal of avoiding obstacles without manually moving the entire device or the cutting device or performing unnecessary operations, so that the cutting device can avoid obstacles while maintaining the weeding state, thereby improving the cutting efficiency, avoiding the fierce collision between the cutter and the obstacle, and effectively improving the weeding efficiency.

[0015] In the utility model, under the action of the supporting mechanism, the supporting arm is connected to the connecting seat by means of connecting rods, hydraulic rods, connecting plates and other structures, and the lifting and lowering of the supporting arm are controlled by the extension and retraction of the hydraulic rod, so that the cutting height of the cutting device can be controlled, thereby improving the flexibility of the entire device, facilitating workers to flexibly adjust according to the cutting environment, and having strong practicality and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a main structural stereogram of an obstacle avoidance weeding device;

[0017] Figure 2 A three-dimensional diagram of a mowing mechanism in an obstacle avoidance weeding device is provided for the utility model;

[0018] Figure 3 The utility model provides a three-dimensional disassembled diagram of a mowing mechanism in an obstacle avoidance weeding device;

[0019] Figure 4 The utility model provides a three-dimensional disassembled diagram of a supporting mechanism in an obstacle avoidance weeding device.

[0020] Legend:

[0021] Mowing mechanism; 101, protective housing; 102, driving motor; 103, transmission shaft; 104, driving gear; 105, driven gear; 106, connecting block; 107, cutting knife; 108, first connecting column; 109, first bearing; 110, protective column; 111, annular stop rod; 112, self-locking bearing; 113, second connecting column;

[0022] Support mechanism; 201, connecting seat; 202, connecting rod; 203, hydraulic rod; 204, hole; 205, connecting shaft; 206, connecting plate; 207, supporting arm; 208, bracket. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides an obstacle avoidance weeding device, comprising a mowing mechanism 1, and a supporting mechanism 2 is fixedly connected to one side of an outer wall of the mowing mechanism 1;

[0026] The mowing mechanism 1 includes a protective housing 101, a driving motor 102 is fixedly connected to the top of the inner wall of the protective housing 101, a transmission shaft 103 is fixedly installed at the output end of the driving motor 102, a driving gear 104 is fixedly connected to the bottom of the transmission shaft 103, and three driven gears 105 are meshedly connected to the outer wall of the driving gear 104, and the bottoms of the three driven gears 105 are fixedly connected to connecting blocks 106, and the bottoms of the three connecting blocks 106 are fixedly connected to cutting knives 107. The tops of the three driven gears 105 are fixedly connected to the tops of the three driven gears 105. They are all fixedly connected with a first connecting column 108, the outer walls of the three first connecting columns 108 are all fixedly sleeved with a first bearing 109, and the tops of the three first bearings 109 are all fixedly connected to the top of the inner wall of the protective shell 101, the bottom of the protective shell 101 is fixedly connected with three groups of protective columns 110, the outer walls of the three groups of protective columns 110 are all fixedly sleeved with annular baffle rods 111, the top of the protective shell 101 is fixedly connected with a self-locking bearing 112, and the inner wall of the self-locking bearing 112 is fixedly inserted with a second connecting column 113.

[0027] The effect achieved by the entire embodiment 1 is that, under the action of the mowing mechanism 1, a driving motor 102 is fixedly connected to the top of the inner wall of the protective shell 101, and the driving motor 102 is started to drive the transmission shaft 103 to rotate, thereby driving the driving gear 104 to rotate, and three driven gears 105 are meshed and connected to the outer wall of the driving gear 104, so that the driving gear 104 drives the three driven gears 105 to rotate at the same time, and the bottom of the three driven gears 105 is fixedly connected with a connecting block 106, and the bottom of the three connecting blocks 106 is fixedly connected with a cutting knife 107, and the high-speed rotation of the cutting knife 107 is used to quickly cut the weeds, and the three driven gears 105 are connected to the protective shell by a first connecting column 108 and a first bearing 109. The top of the inner wall of the protective shell 101 is connected, and three groups of protective columns 110 are fixedly connected to the bottom of the protective shell 101, and the outer walls of the three groups of protective columns 110 are fixedly sleeved with annular baffle rods 111, and the annular baffle rods 111 are used to protect the rotating cutting knife 107, and a self-locking bearing 112 is fixedly connected to the top of the protective shell 101, and the inner wall of the self-locking bearing 112 is fixedly inserted with a second connecting column 113. When a fruit tree obstacle appears in front of it, it can use the rotation obstacle avoidance method to achieve the absence of manual movement of the entire device or the cutting device or unnecessary operations, so that the cutting device can avoid obstacles while maintaining the weeding state, thereby improving the cutting efficiency, avoiding the fierce collision between the cutting machine and the obstacle, and effectively improving the weeding efficiency.

[0028] Embodiment 2, as Figure 2-Figure 4 As shown, the support mechanism 2 includes a connecting seat 201, a connecting rod 202 is fixedly connected to one side of the outer wall of the connecting seat 201, the outer wall of the connecting rod 202 is movably sleeved with two hydraulic rods 203, the outer walls of the two hydraulic rods 203 are each provided with a hole 204, a connecting shaft 205 is movably inserted between the inner walls of the two holes 204, the outer wall of the connecting shaft 205 is fixedly sleeved with a connecting plate 206, the bottom of the connecting plate 206 is fixedly connected to a support arm 207, the outer wall of the support arm 207 is movably sleeved with a bracket 208, and one side of the outer wall of the bracket 208 is fixedly connected to one side of the outer wall of the connecting seat 201, and the top of the second connecting column 113 is fixedly connected to the bottom of the support arm 207.

[0029] The effect achieved by the entire embodiment 2 is that, under the action of the supporting mechanism 2, a connecting rod 202 is fixedly connected to one side of the outer wall of the connecting seat 201, and two hydraulic rods 203 are movably sleeved on the outer wall of the connecting rod 202, and the outer walls of the two hydraulic rods 203 are both provided with holes 204, and a connecting shaft 205 is movably inserted between the inner walls of the two holes 204, and a connecting plate 206 is fixedly sleeved on the outer wall of the connecting shaft 205, and a supporting arm 207 is fixedly connected to the bottom of the connecting plate 206, and a bracket 208 is movably sleeved on the outer wall of the support arm 207, and one side of the outer wall of the bracket 208 is fixedly connected to one side of the outer wall of the connecting seat 201, and the top of the second connecting column 113 is fixedly connected to the bottom of the support arm 207, and the lifting and lowering of the support arm 207 is controlled by the telescopic movement of the hydraulic rod 203, so as to control the cutting height of the cutting device, thereby improving the flexibility of the entire device, facilitating workers to flexibly adjust according to the cutting environment, and having strong practicality and convenience.

[0030] Working principle: When in use, first start the driving motor 102 to drive the transmission shaft 103 to rotate, thereby driving the driving gear 104 to rotate, and three driven gears 105 are meshed and connected to the outer wall of the driving gear 104, so that the driving gear 104 drives the three driven gears 105 to rotate at the same time, and the bottoms of the three driven gears 105 are fixedly connected with connecting blocks 106, and the bottoms of the three connecting blocks 106 are fixedly connected with cutting knives 107, and the high-speed rotation of the cutting knives 107 is used to quickly cut the weeds, and the three driven gears 105 are connected to the top of the inner wall of the protective shell 101 by the first connecting column 108 and the first bearing 109, and three groups of protective columns 110 are fixedly connected to the bottom of the protective shell 101, and the outer walls of the three groups of protective columns 110 are fixedly sleeved with annular blocking rods 111 The annular baffle 111 is used to protect the rotating cutting knife 107, and a self-locking bearing 112 is fixedly connected to the top of the protective shell 101. The inner surface wall of the self-locking bearing 112 is fixedly inserted with a second connecting column 113. When a fruit tree obstacle appears in front of it, it can use the rotating obstacle avoidance method to achieve the need to manually move the entire device or the cutting device or perform unnecessary operations, so that the cutting device can avoid obstacles while maintaining the weeding state, thereby improving the cutting efficiency, avoiding the fierce collision between the cutting machine and the obstacle, and effectively improving the weeding effect. At the same time, the telescopic control support arm 207 of the hydraulic rod 203 is used to lift and lower the support arm 207, so as to control the cutting height of the cutting device, thereby improving the flexibility of the entire device, facilitating workers to flexibly adjust according to the cutting environment, and having strong practicality and convenience.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An obstacle avoidance weeding device, comprising a mowing mechanism (1), characterized in that: One side of the outer wall of the mowing mechanism (1) is fixedly connected to the supporting mechanism (2); The mowing mechanism (1) comprises a protective shell (101), the top of the inner wall of the protective shell (101) is fixedly connected to a driving motor (102), the output end of the driving motor (102) is fixedly mounted with a transmission shaft (103), the bottom of the transmission shaft (103) is fixedly connected to a driving gear (104), the outer wall of the driving gear (104) is meshingly connected to three driven gears (105), the bottoms of the three driven gears (105) are fixedly connected to a connecting block (106), the bottoms of the three connecting blocks (106) are fixedly connected to a cutting knife (107), the tops of the three driven gears (105) are fixedly connected to a first connecting column (108), the outer walls of the three first connecting columns (108) are fixedly sleeved with a first bearing (109), and the tops of the three first bearings (109) are fixedly connected to the top of the inner wall of the protective shell (101).

2. The obstacle avoidance weeding device according to claim 1, characterized in that: Three groups of protection columns (110) are fixedly connected to the bottom of the protection housing (101), and the outer walls of the three groups of protection columns (110) are all fixedly sleeved with annular blocking rods (111).

3. The obstacle avoidance weeding device according to claim 2, characterized in that: A self-locking bearing (112) is fixedly connected to the top of the protective housing (101), and a second connecting column (113) is fixedly inserted into the inner surface wall of the self-locking bearing (112).

4. The obstacle avoidance weeding device according to claim 3, characterized in that: The support mechanism (2) comprises a connecting seat (201), one side of the outer wall of the connecting seat (201) is fixedly connected to a connecting rod (202), the outer wall of the connecting rod (202) is movably sleeved with two hydraulic rods (203), the outer walls of the two hydraulic rods (203) are each provided with a hole (204), and a connecting shaft (205) is movably inserted between the inner walls of the two holes (204).

5. The obstacle avoidance weeding device according to claim 4, characterized in that: A connecting plate (206) is fixedly sleeved on the outer wall of the connecting shaft (205), and a supporting arm (207) is fixedly connected to the bottom of the connecting plate (206).

6. The obstacle avoidance weeding device according to claim 5, characterized in that: The outer wall of the support arm (207) is movably sleeved with a bracket (208), and one side of the outer wall of the bracket (208) is fixedly connected to one side of the outer wall of the connecting seat (201).

7. The obstacle avoidance weeding device according to claim 6, characterized in that: The top of the second connecting column (113) is fixedly connected to the bottom of the supporting arm (207).