Large electrically driven combination mower

Abstract

The utility model relates to the technology field of mower, disclose large -scale electric transmission combined type mower, including power module support, mower frame and scrape grass subassembly frame, the inner side wall fixed connection of power module support has generator, the one end fixed connection of generator has transmission, the outer surface fixed connection of power module support has mounting bracket, the right side of power module support is provided with battery box, the inner bottom wall fixed connection of mower frame has motor, the outer surface fixed connection of mower frame has mowing module, the lower surface rotationally connected with second walking wheel through the axle of scrape grass subassembly frame, the right side rotationally connected with scrape grass harrow of scrape grass subassembly frame, this utility model, through generator, transmission, battery box realize mechanical power to the stable conversion and supply of electric energy, with the help of multiple mower frame linkage promotes operation efficiency, cooperate scrape grass harrow and electric telescopic rod complete weed centralized processing, effectively solve the problem of traditional mower power shortage, low operation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of lawnmower technology, and more specifically, to a large-scale electric drive combined lawnmower. Background Technology

[0002] Large lawnmowers are core equipment in the maintenance of large green areas such as municipal landscaping, large farms, golf courses, and roadside lawns. They are mainly driven by a power system to rotate multiple sets of cutting discs at high speed, achieving efficient cutting, trimming, and maintenance of lawns. They also have stable walking or towing capabilities to adapt to large-scale operation scenarios. Their core requirement is to increase the area covered per unit time while ensuring the smoothness of the mowing and reducing lawn damage. Therefore, they usually need to integrate multiple mowing components, a powerful power transmission system, and a flexible operation adjustment structure. They are key equipment to solve the pain points of traditional small lawnmowers, which are characterized by "small-scale operation and low efficiency output," and directly determine the cost control and cycle management of large-area green space maintenance.

[0003] However, traditional large lawnmowers have significant shortcomings in power supply and operational flexibility, severely restricting the efficiency of large-area lawn maintenance. On the one hand, traditional large lawnmowers mostly adopt a "tractor-traction + tractor rear power output" drive mode. The power output and torque of the tractor rear have inherent limitations: if the number of mowing components is increased to improve operational efficiency, the required power will far exceed the upper limit of the tractor rear output. This not only easily leads to insufficient power, such as a decrease in the speed of the mowing disc and incomplete cutting, but may also cause wear or even breakage of transmission components such as drive shafts and gears due to power overload, forcing the operation to be interrupted. On the other hand, in the traditional structure, a single tractor can only tow or drive one set of lawnmowers, and the operating coverage width is fixed. When dealing with huge areas such as farms of tens of thousands of acres or long highways, frequent back-and-forth travel is required to cover the entire area. This not only increases the tractor's fuel consumption and driving intensity, but also significantly extends the overall operation time due to overlapping back-and-forth paths and time-consuming steering adjustments, making it difficult to meet the actual needs of efficient maintenance. There is an urgent need to optimize the power transmission method and operational combination structure to overcome the above bottlenecks. Utility Model Content

[0004] (a) Technical problems to be solved In view of the above situation and to overcome the defects of the prior art, this utility model provides a large-scale electric drive combined lawn mower, which aims to solve the problems in the background art.

[0005] (II) Technical Solution To achieve the above objectives, this utility model is implemented through the following technical solution: a large-scale electric drive combined lawnmower, comprising a power generation module bracket, a lawnmower frame, and a grass scraper assembly frame, characterized in that: a generator is fixedly connected to the inner wall of the power generation module bracket, a gearbox is fixedly connected to one end of the generator, a mounting bracket is fixedly connected to the outer surface of the power generation module bracket, a battery box is provided on the right side of the power generation module bracket, a first connecting seat is fixedly connected to the upper surface of the power generation module bracket, a second connecting seat is fixedly connected to the outer surface of the right side of the power generation module bracket, a towing frame is fixedly connected to the upper surface of the lawnmower frame, a first traveling wheel is rotatably connected to the lower side of the lawnmower frame, a motor is fixedly connected to the inner bottom wall of the lawnmower frame, a lawnmower module is fixedly connected to the outer surface of the lawnmower frame, a second traveling wheel is rotatably connected to the lower surface of the grass scraper assembly frame via a shaft, and a grass scraper rake is rotatably connected to the right side of the grass scraper assembly frame.

[0006] The present invention is further configured such that one end of the input shaft of the generator is fixedly connected to the output end of the transmission, and the mounting bracket is provided with a storage battery and an inverter respectively.

[0007] The present invention is further configured such that one end of the drag frame is movably connected to the inner side wall of the first connecting seat via a shaft, and there are two first connecting seats arranged symmetrically front and back.

[0008] The present invention is further configured such that a protective cover is fixedly connected to the lower surface of the lawnmower frame, a rotating wheel is rotatably connected to the lower surface of the lawnmower frame via a rotating rod, and the output end of the motor is connected to the outer surface of the rotating rod via a pulley assembly.

[0009] The present invention is further configured such that a movable cutting blade is slidably connected to the inner side wall of the mowing module, and a fixed cutting blade is fixedly connected to the outer surface of the mowing module. The movable cutting blade and the fixed cutting blade are offset from each other. One end of the movable cutting blade is rotatably connected to a connecting rod, and one end of the connecting rod is rotatably connected to the lower surface of the wheel through an eccentric shaft.

[0010] The present invention is further configured such that a third connecting seat is fixedly connected to the rear side of the upper surface of the lawnmower frame, and the lawnmower frame is provided with a plurality of such connecting seats and interconnected by a towing frame and the third connecting seat.

[0011] The present invention is further configured such that a connecting cylinder is fixedly connected to the upper surface of the grass scraping component frame, and a drag bar is detachably connected to the inner side wall of the connecting cylinder, and one end of the drag bar is detachably connected to the inner side wall of the second connecting seat.

[0012] The present invention is further configured such that an electric telescopic rod is rotatably connected to the upper surface of the grass scraping component frame located outside the connecting cylinder via a support rod, and one end of the telescopic rod is rotatably connected to the upper surface of the grass scraping rake.

[0013] (III) Beneficial Effects Compared with the prior art, this utility model provides a large-scale electric drive combined lawn mower, which has the following beneficial effects: 1. This large-scale electric drive combined lawnmower, through the arrangement of a power generation module bracket, generator, gearbox, battery box, motor, and electric telescopic boom, achieves convenient power transmission and improved power transmission efficiency. Through the coordinated arrangement of the power generation module bracket, generator, gearbox, and battery box, the output power from the rear of the tractor can be converted into electrical energy for storage during use, supplying power to the motor and electric telescopic boom. This transforms the power transmission for mowing from traditional mechanical transmission to electrical transmission, thereby improving power transmission efficiency.

[0014] 2. This large-scale electric drive combined lawnmower, through the arrangement of multiple sets of tow frames, lawnmower frames, motors, mowing modules, and a third connecting seat, enables it to drive multiple mowing components simultaneously. The coordinated arrangement of the tow frames, lawnmower frames, and third connecting seat allows multiple mowing components to be connected end-to-end during use, with their cutting areas staggered. This allows for mowing and cleaning of more areas in a single pass, further improving mowing efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention in its installed state; Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of the power generation module of this utility model; Figure 4 This is a three-dimensional structural diagram of the lawnmower frame of this utility model; Figure 5 This is a structural schematic diagram of the lawn mowing module of this utility model, viewed from below. Figure 6 This is a three-dimensional structural diagram of the grass-scraping component of this utility model.

[0016] In the diagram: 1. Power generation module bracket; 2. Generator; 3. Gearbox; 4. Mounting bracket; 5. Battery box; 6. First connecting seat; 7. Second connecting seat; 8. Towing frame; 9. Lawn mower frame; 10. First traveling wheel; 11. Motor; 12. Protective cover; 13. Pulley assembly; 14. Rotating rod; 15. Rotary wheel; 16. Connecting rod; 17. Mowing module; 18. Movable cutter blade; 19. Fixed cutter blade; 20. Eccentric shaft; 21. Third connecting seat; 22. Scraper assembly frame; 23. Connecting cylinder; 24. Towing rod; 25. Second traveling wheel; 26. Scraper rake; 27. Electric telescopic rod. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0019] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0020] Please see Figures 1-6 The large electric drive combined lawnmower provided in this embodiment has a generator 2 fixedly connected to the inner wall of the generator module bracket 1, a gearbox 3 fixedly connected to one end of the generator 2, and one end of the input shaft of the generator 2 fixedly connected to the output end of the gearbox 3. A mounting bracket 4 is fixedly connected to the outer surface of the generator module bracket 1. A battery and an inverter are respectively installed inside the mounting bracket 4. A battery box 5 is installed on the right side of the generator module bracket 1. Two front-to-back symmetrical first connecting seats 6 are fixedly connected to the upper surface of the generator module bracket 1. A second connecting seat 7 is fixedly connected to the outer surface of the right side of the generator module bracket 1. A towing frame 8 is fixedly connected to the upper surface of the lawnmower frame 9. One end of the towing frame 8 is movably connected to the inner wall of the first connecting seat 6 through a shaft. A motor 11 is fixedly connected to the inner bottom wall of the lawnmower frame 9. An electric telescopic rod 27 is rotatably connected to the upper surface of the grass scraping component frame 22 through a support rod, which constitutes the core structure for power conversion and transmission of the equipment.

[0021] Specifically, during use, the mounting bracket 4 is installed on the rear connecting bracket of the tractor, and the input end of the transmission 3 is connected to the rear power output end of the tractor. The mechanical power output by the tractor is transmitted to the generator 2 after being changed by the transmission 3. The generator 2 converts the mechanical kinetic energy into electrical energy. Part of the electrical energy is converted into voltage for the motor 11 and the electric telescopic rod 27 by the inverter in the mounting bracket 4 to directly supply power, and the other part is stored in the battery in the battery box 5 for backup. This realizes the conversion of traditional mechanical power into electrical energy, breaks through the limitation of the rear power output of the tractor, and the transmission of electrical energy does not require a complex transmission shaft system, reducing mechanical wear and improving power transmission efficiency. At the same time, the movable connection between the towing frame 8 and the first connecting seat 6 can drive the lawnmower frame 9 to flexibly adjust the angle when the tractor turns, adapting to different working paths.

[0022] Please see Figures 1-6 The lawnmower frame 9 has a first traveling wheel 10 rotatably connected to its lower side. A protective cover 12 is fixedly connected to the lower surface of the lawnmower frame 9. A rotating wheel 15 is rotatably connected to the lower surface of the lawnmower frame 9 via a rotating rod 14. The output end of the motor 11 is connected to the outer surface of the rotating rod 14 via a pulley set 13. A mowing module 17 is fixedly connected to the outer surface of the lawnmower frame 9. A movable cutting blade 18 is slidably connected to the inner wall of the mowing module 17. A fixed cutting blade 19 is fixedly connected to the outer surface of the mowing module 17. The movable cutting blade 18 and the fixed cutting blade 19 are offset. A connecting rod 16 is rotatably connected to one end of the movable cutting blade 18. One end of the connecting rod 16 is connected to the lower surface of the rotating wheel 15 via an eccentric shaft 20. A third connecting seat 21 is fixedly connected to the rear side of the upper surface of the lawnmower frame 9 via a rotating connection. Several lawnmower frames 9 are connected to each other via a towing frame 8 and the third connecting seat 21. The lower surface of the grass scraping component frame 22 is rotatably connected to a second traveling wheel 25 via a shaft. A grass scraper rake 26 is rotatably connected to the right side of the grass scraper frame 22. One end of the telescopic rod of the electric telescopic rod 27 is rotatably connected to the upper surface of the grass scraper rake 26. A connecting cylinder 23 is fixedly connected to the upper surface of the grass scraper frame 22. A towing rod 24 is detachably connected to the inner wall of the connecting cylinder 23. One end of the towing rod 24 is detachably connected to the inner wall of the second connecting seat 7, forming an integrated structure for lawn mowing and weed collection.

[0023] Specifically, when the motor 11 is working, it drives the rotating rod 14 and the rotating wheel 15 to rotate through the pulley group 13. The rotating wheel 15 pulls the movable cutting blade 18 to slide back and forth in the mowing module 17 through the eccentric shaft 20 and the connecting rod 16, forming a staggered cutting with the fixed cutting blade 19 to complete the mowing. The protective cover 12 prevents grass clippings from flying and affecting the transmission of the pulley group 13. The first traveling wheel 10 assists the mower frame 9 to move smoothly. Several mower frames 9 can be connected end to end through the towing frame 8 and the third connecting seat 21, so that the cutting areas of multiple sets of mowing modules 17 are staggered, increasing the coverage area of ​​a single operation. At the same time, the towing rod 24 connects the power generation module bracket 1 and the grass scraper assembly frame 22. The tractor drives the grass scraper rake 26 to scrape and collect weeds. The electric telescopic rod 27 can control the grass scraper rake 26 to flip and release the weeds, achieving orderly stacking. The second traveling wheel 25 reduces the moving resistance of the grass scraper assembly frame 22 and can concentrate the weeds for convenient subsequent centralized processing.

[0024] In summary, when using the overall equipment: the mounting bracket 4 is installed on the connecting bracket at the rear of the tractor, and the input end of the transmission 3 is connected to the power output end at the rear of the tractor. Then, the corresponding number of mowing modules 17 are selected, the end of the towing frame 8 is installed on the corresponding first connecting seat 6, and the scraper assembly frame 22 is connected to the second connecting seat 7 through the connecting cylinder 23 and the towing rods 24. In actual use, the tractor's power unit outputs mechanical power, which is transmitted to the generator 2 after being changed by the transmission 3. The generator 2 converts the mechanical kinetic energy into electrical energy, which is then output to the battery in the battery box 5 for storage. When the tractor moves, it drives the mowing module. When the grass module 17 moves, the battery in the battery box 5 provides power to drive the motor 11. When the motor 11 is working, it drives the rotating rod 14 and the rotating wheel 15 to rotate through the pulley group 13. Through the setting of the eccentric shaft 20 and the connecting rod 16, the movable cutting blade 18 is driven to slide back and forth inside the grass cutting module 17, forming a staggered cutting with the fixed cutting blade 19. Thus, when the tractor drives the device to move, it can cut the weeds in the corresponding area. The cut weeds are scraped by the grass scraper 26 and gathered together. At a certain interval, the telescopic rod of the electric telescopic rod 27 retracts, driving the grass scraper 26 to rotate upward, thereby releasing the weeds on the inside. At this time, the weeds are piled up.

[0025] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A large electric drive combined lawnmower, comprising a power generation module support (1), a lawnmower frame (9), and a grass scraping assembly frame (22), characterized in that: A generator (2) is fixedly connected to the inner wall of the power generation module bracket (1). A gearbox (3) is fixedly connected to one end of the generator (2). A mounting bracket (4) is fixedly connected to the outer surface of the power generation module bracket (1). A battery box (5) is provided on the right side of the power generation module bracket (1). A first connecting seat (6) is fixedly connected to the upper surface of the power generation module bracket (1). A second connecting seat (7) is fixedly connected to the outer surface of the right side of the power generation module bracket (1). A towing frame (8) is fixedly connected to the upper surface of the lawnmower frame (9). A first traveling wheel (10) is rotatably connected to the lower side of the lawnmower frame (9). A motor (11) is fixedly connected to the inner bottom wall of the lawnmower frame (9). A mowing module (17) is fixedly connected to the outer surface of the lawnmower frame (9). A second traveling wheel (25) is rotatably connected to the lower surface of the grass scraping component frame (22) via a shaft. A grass scraping rake (26) is rotatably connected to the right side of the grass scraping component frame (22).

2. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: One end of the input shaft of the generator (2) is fixedly connected to the output end of the transmission (3), and the inside of the mounting bracket (4) is respectively equipped with a storage battery and an inverter.

3. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: One end of the towing frame (8) is movably connected to the inner wall of the first connecting seat (6) via a shaft. There are two first connecting seats (6) arranged symmetrically in front and behind.

4. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: A protective cover (12) is fixedly connected to the lower surface of the lawnmower frame (9). A rotating wheel (15) is rotatably connected to the lower surface of the lawnmower frame (9) via a rotating rod (14). The output end of the motor (11) is connected to the outer surface of the rotating rod (14) via a pulley group (13).

5. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: The inner wall of the mowing module (17) is slidably connected to a movable cutting blade (18), and the outer surface of the mowing module (17) is fixedly connected to a fixed cutting blade (19). The movable cutting blade (18) and the fixed cutting blade (19) are offset. One end of the movable cutting blade (18) is rotatably connected to a connecting rod (16), and one end of the connecting rod (16) is rotatably connected to the lower surface of the wheel (15) through an eccentric shaft (20).

6. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: A third connecting seat (21) is fixedly connected to the rear side of the upper surface of the lawnmower frame (9). The lawnmower frame (9) has several such connecting seats and they are interconnected by a towing frame (8) and the third connecting seat (21).

7. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: The upper surface of the grass scraping assembly frame (22) is fixedly connected to a connecting cylinder (23), and a drag bar (24) is detachably connected to the inner wall of the connecting cylinder (23). One end of the drag bar (24) is detachably connected to the inner wall of the second connecting seat (7).

8. The large-scale electric drive combined lawnmower according to claim 1, characterized in that: The upper surface of the grass scraping assembly frame (22) is located outside the connecting cylinder (23) and is rotatably connected to an electric telescopic rod (27) via a support rod. One end of the telescopic rod of the electric telescopic rod (27) is rotatably connected to the upper surface of the grass scraping rake (26).

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