CN113748828A - Mower electricity drives cutting height adjusting device and lawn mower - Google Patents
Mower electricity drives cutting height adjusting device and lawn mower Download PDFInfo
- Publication number
- CN113748828A CN113748828A CN202111044772.1A CN202111044772A CN113748828A CN 113748828 A CN113748828 A CN 113748828A CN 202111044772 A CN202111044772 A CN 202111044772A CN 113748828 A CN113748828 A CN 113748828A
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- mower
- turbine
- cutting height
- rocker
- mounting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/006—Control or measuring arrangements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/006—Control or measuring arrangements
- A01D34/008—Control or measuring arrangements for automated or remotely controlled operation
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides an electrically-driven cutting height adjusting device of a mower and the mower, comprising: a front wheel axle for mounting two front wheels; a rear axle for mounting two rear wheels; the two crank connecting rods are used for respectively and rotatably connecting the front wheel shaft and the rear wheel shaft; the electric drive adjusting assembly is fixedly installed on the machine shell and is rotationally connected with the two crank connecting rods and used for driving the two crank connecting rods to pull the front wheel shaft and the rear wheel shaft to move up and down. This application adjusts the motion of assembly drive crank connecting rod and then drives front axle and rear axle elevating movement through the electricity to satisfy the as required regulation of lawn mower cutting height. Including the lawn mower of lawn mower electricity drive cutting height adjusting device in this application, have above-mentioned technical advantage.
Description
Technical Field
The invention relates to the technical field of mowing equipment, in particular to an electric-drive cutting height adjusting device of a mower. The invention also relates to a mower comprising the electrically-driven cutting height adjusting device.
Background
As is well known, the mower is a common garden and family yard pruning tool, can replace manual pruning, has high operation efficiency and saves labor cost.
At present, the mowers with cutting height adjusting functions on the market are rare, and even if a single mower has the height adjusting function, the problems of too complex structure and more parts still exist, so that the mowers are inconvenient to assemble and adjust and have higher production cost.
Disclosure of Invention
The invention provides an electrically-driven cutting height adjusting device of a mower, which is simple in structure, convenient to assemble and accurate in adjustment, and reduces the production cost and the labor cost.
The invention provides an electrically driven cutting height adjusting device of a mower, which comprises:
a front wheel axle for mounting two front wheels;
a rear axle for mounting two rear wheels;
the two crank connecting rods are used for respectively and rotatably connecting the front wheel shaft and the rear wheel shaft;
the electric driving adjustment assembly is fixedly installed on the shell and is rotationally connected with the two crank connecting rods and used for driving the two crank connecting rods to pull or push the front wheel shaft and the rear wheel shaft to respectively drive the front wheel and the rear wheel to move up and down.
Preferably, the electrically-driven adjusting assembly comprises a worm, a driving motor for providing a rotary driving force to the worm, a turbine rocker in transmission connection with the worm, and a turbine box for accommodating the worm and the turbine rocker and sleeved outside the driving motor; the turbine rocker is arranged in a central shaft hole of the turbine box body through a connecting shaft and a key.
Preferably, the front wheel shaft and the rear wheel shaft respectively comprise a middle straight rod and L-shaped rods vertically arranged at two ends of the middle straight rod, one end of the crank connecting rod is hinged to the middle straight rod, and the other end of the crank connecting rod is hinged to the turbine rocker.
Preferably, the toothed motion terminals at the bottom of the turbine rocker are respectively provided with a limiting groove.
Preferably, the turbine box body including the installation body with set up in the barrel at both ends about the installation body, the installation body is equipped with and is used for the installation the convex opening of turbine rocker, barrel inner chamber and two the inner chamber of installation body forms the installation cavity, the outer wall bottom and two of installation body the lateral wall of barrel is equipped with the locking seat that is used for connecting the retaining member.
Preferably, the electricity drives the regulation assembly and is provided with the data acquisition system that is used for being connected with the controller communication and with the human-computer interaction panel that the controller communication is connected, the human-computer interaction panel is used for showing current cutting height, and supplies the staff to set for cutting height parameter.
Preferably, the data acquisition system comprises at least two magnets mounted on the turbine box body and a hall sensor mounted on at least one side wall of the turbine rocker.
The invention also provides a mower comprising the mower electric-driven cutting height adjusting device.
The invention provides an electric-driven cutting height adjusting device of a mower, which comprises a front wheel shaft, a rear wheel shaft, an electric-driven adjusting assembly and two crank connecting rods respectively connected with the front wheel shaft and the electric-driven adjusting assembly as well as the rear wheel shaft and the electric-driven adjusting assembly. The electric drive adjustment assembly is in communication connection with a controller of the mower. A polygonal transmission structure is formed by the two crank connecting rods, the front wheel shaft, the rear wheel shaft and electric drive adjustment, so that the up-down lifting adjustment of the front wheel shaft and the rear wheel shaft is realized, and the adjustment of the cutting height is realized. This application simple structure, control is convenient, and the lawn mower cutting height is nimble adjustable, and is high-efficient, swift convenient.
The mower provided by the invention has the technical advantages of the electrically-driven cutting height adjusting device of the mower due to the electrically-driven cutting height adjusting device of the mower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of an electrically driven cutting height adjustment mechanism for a lawn mower according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an electric drive adjustment assembly according to one embodiment of the present invention;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic view of the turbine rocker of FIGS. 2 and 3;
FIG. 5 is a schematic diagram of an electrically driven adjustment assembly according to another embodiment of the present invention;
fig. 6 and 7 are schematic structural views of a lawn mower according to an embodiment of the present invention.
Wherein, 1-front wheel axle, 2-rear wheel axle, 3-crank connecting rod, 4-electric drive adjusting assembly, 5-machine shell, 6-controller, 7-man-machine interaction panel;
41-driving motor, 42-turbine rocker, 43-worm, 44-turbine box, 45-connecting shaft, 46-Hall sensor and 47-mounting plate;
421-limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electric cutting height adjusting device of a mower according to an embodiment of the present invention.
The invention provides an electric-drive cutting height adjusting device of a mower, which mainly comprises a front wheel shaft 1, a rear wheel shaft 2, two crank connecting rods 3 and an electric-drive adjusting assembly 4. The front wheel shaft 1 is transversely arranged at the front end of the interior of the mower shell 5, and the front wheel shaft 1 is used for mounting two front wheels. The rear wheel shaft 2 is transversely arranged at the rear end of the mower shell 5 and is used for mounting two rear wheels. The first ends of the two crank connecting rods 3 are respectively and rotatably connected with the front wheel shaft 1 and the rear wheel shaft 2, and the second ends are respectively and rotatably connected with the electric drive adjusting assembly 4. The electric drive adjusting assembly 4 is fixedly installed inside the machine shell 5 through fasteners such as bolts and the like, provides driving force for the two crank connecting rods 3, drives the front wheel shaft 1 and the rear wheel shaft 2 to move up and down by driving the crank connecting rods 3, realizes continuous adjustment of the lifting heights of the front wheel and the rear wheel, and accordingly realizes adjustment of the cutting height.
This application adopts the motor drive assembly to adjust the swing position of crank connecting rod 3, from this drive front wheel axle 1 and rear wheel axle 2 adjust from top to bottom, realize the electric drive of cutting height and adjust. The height adjusting device is simple in structure, convenient to assemble and disassemble and low in cost.
Referring to fig. 2-3, fig. 2 is a schematic structural diagram of an electric drive adjustment assembly according to an embodiment of the present invention; fig. 3 is an exploded view of fig. 2.
In a specific embodiment, the electrically-driven adjusting assembly 4 includes a driving motor 41, a turbine rocker 42, a worm 43 and a turbine box 44, the turbine rocker 42 is installed in a central shaft hole of the turbine box 44 through a connecting shaft 45 and a key, the worm 43 and the turbine rocker 42 are installed inside an installation cavity of the turbine box 44, a driving end of the driving motor 41 is sleeved inside the turbine box 44, the worm 43 is a cylindrical worm with teeth on the outer peripheral surface, the connecting end of the worm 43 and the driving motor 41 is a polished rod, an inner hole is formed inside the polished rod, a key groove is formed in the inner hole, an output shaft of the driving motor 41 is connected to the key groove of the driving motor 41 through a key, and the driving motor 41 drives the worm 43 to rotate.
Referring to fig. 4, fig. 4 is a schematic structural diagram of the turbine rocker 42 shown in fig. 2 and 3.
The turbine rocker 42 comprises a connecting rod connecting part, a box body connecting part and a meshing part, wherein the connecting rod connecting part is of a sheet structure provided with a round corner, the box body connecting part is slightly thicker than the connecting rod connecting part, a mounting hole and a key groove are formed in the middle of the box body connecting part, and the connecting shaft 45 and the key are correspondingly mounted inside the mounting hole and the key groove. The bottom of the box body connecting part is an arc-shaped surface, and teeth are arranged on the arc-shaped surface.
The teeth of the worm wheel rocker 42 on the bottom surface of the box connecting part are meshed with the teeth of the worm 43, and the worm 43 drives the worm wheel rocker 42 to swing back and forth in a small range under the power driving of the driving motor 41. The cambered surface of the motion terminal of the teeth of the turbine rocker 42 and the side surfaces of the teeth form a limiting groove 421, which plays a role in limiting front and back and prevents the worm 43 from being separated from the turbine rocker 42.
Two small holes are formed in a connecting rod connecting part of the turbine rocker 42, the holes are hinged with the crank connecting rod 3 through a connecting piece, one end, far away from the turbine rocker 42, of the crank connecting rod 3 is hinged with a short rod, and the short rod is hinged with the front wheel shaft 1 and the rear wheel shaft 2.
In the embodiment, under the driving of the motor, the worm 43 is in meshing transmission with the turbine rocker 42, and power is transmitted to the turbine rocker 42, so that the turbine rocker 42 swings to a certain extent from front to back. The whole machine has the adjusting function that a polygonal structure is formed by the two crank connecting rods 3, the rear wheel shaft 2 and the front wheel shaft 1, and the front wheel shaft 1 and the rear wheel shaft 2 synchronously lift to a preset position, so that the cutting height is adjusted.
The turbine housing 44 includes a mounting body and two cylindrical bodies disposed at the left and right ends of the mounting body, the mounting body is in a semicircular structure, a convex opening is disposed in the mounting body, and a part of the structure of the connecting rod connecting portion at the upper end of the turbine rocker 42 penetrates out of the convex opening. The inner cavity of the cylinder body and the inner cavities of the two installation bodies form an installation cavity together. The caliber of the inner cavity of the cylinder body is equal to or slightly larger than the outer diameter of the driving motor 41, and the driving motor 41 is matched with the inner cavity of the cylinder body, so that the driving motor 41 is fixed. The outer wall bottom of the installation body and the lateral walls of the two cylinders are provided with locking seats for connecting locking pieces, and the locking seats are provided with four cylindrical locking shapes for allowing the locking pieces to penetrate and fixing the turbine box body 44 on the casing 5.
Referring to fig. 5, a schematic diagram of an electrically driven tuning assembly according to another embodiment of the present invention is shown.
The motor drive assembly is provided with a data acquisition system correspondingly adjusted, the data acquisition system is in communication connection with the controller 6 and is used for detecting the swing angle of the turbine rocker 42, or the position data of the turbine rocker 42, or the electromagnetic induction current and/or the voltage data, the data acquisition system is in communication connection with the controller 6 and transmits acquired data to the storage module of the controller 6, the central processing unit of the controller 6 performs data processing and signal conversion and converts the acquired data into cutting height data, the cutting height data are output to the human-computer interaction panel 7 and are displayed by the human-computer interaction panel 7, and visualization is achieved. In addition, the operator can input programs including lawn patterns, cutting time, overall height and the like through the man-machine interaction panel 7, can trim the lawn according to the cutting shape of the lawn and the lawn patterns set in the programs, and can adjust the cutting height in real time through the height adjusting control of the interaction panel in the mowing process.
In one embodiment, the data acquisition system comprises at least two magnets and hall sensors 46, the magnets are installed on two sides inside the turbine box 44 and are oppositely arranged, the hall sensors 46 are installed on the side wall of at least one side of the turbine rocker 42 and the installation plate 47, the hall sensors 46 are arranged between the magnets on the two sides, the magnetic field direction vertically penetrates through the hall sensors 46, when the hall sensors 46 are in the vertical position, the magnetic induction intensity of the hall sensors is zero, and the point can be used as the zero point of displacement. In the process that the Hall sensor 46 swings back and forth along with the turbine rocker 42, the magnetic induction line is cut to generate voltage output, the voltage is in direct proportion to the swing angle, the swing angle corresponds to the lifting height of the front wheel shaft 1 and the rear wheel shaft 2, the Hall sensor 46 generates Hall voltage, and the lifting height of the front wheel and the lifting height of the rear wheel are obtained through calculation.
The data acquisition system can also acquire data through a potentiometer.
Referring to fig. 6 and 7, fig. 6 and 7 are schematic structural views of a lawn mower according to an embodiment of the present invention.
In addition, the invention also provides a mower which comprises the mower electrically-driven cutting height adjusting device, wherein the mower electrically-driven cutting height adjusting device is in communication connection with the controller 6 of the mower through a data line, can automatically acquire mowing height information, can automatically control the cutting height of a blade in a mowing process, and is convenient to control, and the mower cutting height is efficiently and conveniently adjusted.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The electrically driven cutting height adjusting device of the mower and the mower provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. An electrically driven cutting height adjustment device for a lawn mower, comprising:
a front wheel axle (1) for mounting two front wheels;
a rear wheel axle (2) for mounting two rear wheels;
two crank connecting rods (3) for respectively rotatably connecting the front wheel axle (1) and the rear wheel axle (2);
the electric driving adjusting assembly (4) is fixedly installed on the shell (5) and is rotationally connected with the crank connecting rod (3) and used for driving the crank connecting rod (3) to pull or push the front wheel shaft (1) and the rear wheel shaft (2) to respectively drive the front wheel and the rear wheel to move up and down.
2. The electric drive cutting height adjusting device of the mower according to claim 1, wherein the electric drive adjusting assembly (4) comprises a worm (43), a drive motor (41) for providing a rotary driving force to the worm (43), a turbine rocker (42) in transmission connection with the worm (43), and a turbine box body (44) for accommodating the worm (43) and the turbine rocker (42) and sleeved outside the drive motor (41); the turbine rocker (42) is arranged in a central shaft hole of the turbine box body (44) through a connecting shaft (45) and a key.
3. The electric driven cutting height adjustment device of a mower according to claim 2, characterized in that the front wheel axle (1) and the rear wheel axle (2) each comprise a middle straight rod and L-shaped rods perpendicularly arranged at both ends of the middle straight rod, and the crank link (3) is hinged at one end to the middle straight rod and at the other end to the turbine rocker (42).
4. The device for electrically driven height adjustment of a mower as claimed in claim 3, characterized in that the toothed movement terminations of the bottom of the turbine rocker (42) are each provided with a limiting groove (421).
5. The electric-driven cutting height adjusting device for the mower as claimed in claim 2, wherein the turbine housing (44) comprises a mounting body and cylinders arranged at the left end and the right end of the mounting body, the mounting body is provided with a convex opening for mounting the turbine rocker (42), an inner cavity of each cylinder and inner cavities of the two mounting bodies form a mounting cavity, and the bottom of the outer wall of each mounting body and the side walls of the two cylinders are provided with locking seats for connecting locking parts.
6. The electrically driven mower cutting height adjusting device according to any one of claims 2-5, wherein the electrically driven adjusting assembly (4) is provided with a data acquisition system for communicating with a controller (6) and a human-machine interaction panel (7) for communicating with the controller (6), wherein the human-machine interaction panel (7) is used for displaying the current cutting height and allowing a worker to set cutting height parameters.
7. The mower electric drive cutting height adjustment device of claim 6, wherein the data acquisition system comprises at least two magnets mounted to the turbine housing (44) and a Hall sensor (46) mounted to at least one side wall of the turbine rocker (42).
8. A lawnmower comprising an electrically driven mower cutting height adjustment device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111044772.1A CN113748828A (en) | 2021-09-07 | 2021-09-07 | Mower electricity drives cutting height adjusting device and lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111044772.1A CN113748828A (en) | 2021-09-07 | 2021-09-07 | Mower electricity drives cutting height adjusting device and lawn mower |
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| Publication Number | Publication Date |
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| CN113748828A true CN113748828A (en) | 2021-12-07 |
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| CN202111044772.1A Pending CN113748828A (en) | 2021-09-07 | 2021-09-07 | Mower electricity drives cutting height adjusting device and lawn mower |
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Citations (17)
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Application publication date: 20211207 |