CN214430207U

CN214430207U - Adjustable grass cutting device

Info

Publication number: CN214430207U
Application number: CN202120377716.9U
Authority: CN
Inventors: 韦能; 郑永巍; 覃仁壮; 梁海浩; 李香花; 杨航
Original assignee: Guangxi Huaju Equipment Co ltd
Current assignee: Guangxi Huaju Equipment Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-10-22
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses an adjustable mowing device, which comprises an operation frame plate and rotating wheels arranged at two sides of the operation frame plate, and further comprises a lifting assembly and a cutting mechanism with a buffer function, wherein the lower end surface of the operation frame plate is provided with a placing area, a knife cover is arranged below the operation frame plate and positioned in the placing area, the lifting assembly comprises an electric push rod and a scissor rod, the electric push rod is arranged at two sides above the knife cover, the top end of the electric push rod is movably connected with the top wall of the placing area, the bottom end of the electric push rod is movably connected with the knife cover through a mounting seat arranged at the upper end surface of the knife cover, and the cutting mechanism is fixed at the end part of the knife cover; the operation frame plate can be used by effectively matching with different platforms, and sends a control instruction through an external signal, so that the disc mowing device can automatically lift through two groups of electric push rods, the telescopic lengths of the two groups of push rods are controlled to be different, the mowing cutter head can form an inclined plane angle to adapt to different mowing terrains, and the applicability is wide.

Description

Adjustable grass cutting device

Technical Field

The utility model relates to a grass cutting device technical field specifically is an adjustable grass cutting device.

Background

On wastelands full of weeds, people are difficult to walk, and the removal of the weeds requires a lot of manpower, which requires the use of weeding equipment. In order to meet the different requirements of different users for the mowing height, the mower generally needs to have the function of adjusting the cutting height.

At present, the height of an adjusting motor of a mower in the market is usually realized by matching a screw with a motor base provided with an internal thread through an external thread, so that the purpose of adjusting the mowing height is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable grass cutting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an adjustable mowing device comprises an operation frame plate, rotating wheels arranged on two sides of the operation frame plate, a lifting assembly and a cutting mechanism with a buffering function, wherein a placing area is arranged on the lower end face of the operation frame plate, and a cutter cover is arranged below the operation frame plate and positioned in the placing area;

the lifting assembly comprises electric push rods for lifting and supporting and a scissor rod for supporting, the electric push rods are arranged on two sides above the cutter cover, the top ends of the electric push rods are movably connected with the top wall of the placing area, the bottom ends of the electric push rods are movably connected with the cutter cover through a mounting seat arranged on the upper end surface of the cutter cover, the scissor rod is arranged on one side of the cutter cover, and the upper end and the lower end of the scissor rod are respectively connected with the top wall of the placing area and the upper end surface of the cutter cover;

and the cutting mechanism is fixed at the end part of the cutter cover and used for finishing mowing operation along with the rise and fall of the cutter cover.

Preferably, the lower end part of the mounting seat is fixedly connected with the upper end face of the knife cover, and the upper end part of the mounting seat is movably connected with the output end of the knife cover through a movable bolt.

Preferably, cutting mechanism is including rotating the motor, rotates the motor and arranges the both sides of sword cover tip in, and its output is connected with the pivot, and rotation motor one end and the blade disc cassette fixed connection of setting in the sword cover are kept away from in the pivot, install cutting knife rest on the blade disc cassette, and cutting knife rest annular sets up and is no less than three groups outside the blade disc cassette.

Preferably, the cutting knife rest comprises a first knife body and a second knife body, the second knife body is arranged on one side of the first knife body, one end of the second knife body is movably connected with one end of the first knife body, a connecting piece is fixed on the other end of the second knife body, and the connecting piece penetrates into the cutterhead clamping seat and is riveted with the cutterhead clamping seat through a first rivet arranged at the end of the connecting piece.

Preferably, one side of the first cutter body close to the second cutter body is provided with a connecting clamping block, the connecting clamping block is buckled into a clamping groove formed in one side of the two end parts of the cutter body and matched with the clamping groove, and the second cutter body is riveted with the connecting clamping block through a second rivet arranged at the end part of the second cutter body.

Preferably, the joint of the rotating motor and the blade cover plate body is provided with a reinforcing part for improving the working strength of the joint of the rotating motor and the blade cover plate body, and the reinforcing part is annular and is sleeved outside the rotating motor main body and fixedly connected with the blade cover and the end part of the rotating motor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses well operation frame plate can effectively cooperate different platforms to install and use, sends control command through the external signal, makes disc grass cutting device realize automatic rising through two sets of electric putter, and through controlling the flexible length of two sets of push rods is different, makes the lawn mower dish can form the inclined plane angle in order to adapt to different topography of mowing, and the suitability is wide;

the cutter body and the cutter head clamping seat on the cutting knife rest are spaced, the cutting knife rest can work in a flail mode, when the blade touches hard objects in the mowing operation process, the cutting knife rest can be bounced open in the opposite direction due to overlarge resistance, and the blade is prevented from being broken, so that the service lives of the blade and the motor are greatly prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable mowing device.

Fig. 2 is a schematic structural diagram of a cutter head clamping seat in an adjustable mowing device.

Fig. 3 is a schematic structural view of a blade guard in an adjustable mowing device.

Fig. 4 is a schematic structural view of a scissor lever in an adjustable mowing device.

Fig. 5 is a schematic view of a cutting blade holder in an adjustable mowing device.

In the figure: 1. an operation frame plate; 2. a rotating wheel; 3. a placement area; 4. a knife cover; 5. a rotating shaft; 6. a cutter head clamping seat; 7. rotating the motor; 8. shearing a fork rod; 9. an electric push rod; 10. a mounting seat; 11. a first cutter body; 12. a second cutter body; 13. connecting a clamping block; 14. a joining member; 15. riveting one; 16. a second rivet; 17. a reinforcing portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, an adjustable mowing device includes an operation frame plate 1, rotating wheels 2 disposed at two sides of the operation frame plate 1, a lifting assembly, and a cutting mechanism with a buffering function, wherein a placing area 3 is disposed on a lower end surface of the operation frame plate 1, and a knife cover 4 is disposed in the placing area 3 below the operation frame plate 1;

the lifting assembly comprises electric push rods 9 for lifting and supporting and a scissor rod 8 for supporting, the electric push rods 9 are arranged on two sides above the cutter cover 4, the top ends of the electric push rods 9 are movably connected with the top wall of the placing area 3, the bottom ends of the electric push rods are movably connected with the cutter cover 4 through a mounting seat 10 arranged on the upper end surface of the cutter cover 4, the scissor rod 8 is arranged on one side of the cutter cover 4, and the upper end and the lower end of the scissor rod 8 are respectively connected with the top wall of the placing area 3 and the upper end surface of the cutter cover 4;

the lower end part of the mounting seat 10 is fixedly connected with the upper end surface of the knife cover 4, and the upper end part of the mounting seat 10 is movably connected with the output end of the knife cover 4 through a movable bolt; when the lawn mower works, the electric push rods 9 are started to push the cutter cover 4 to fall down, so that a cutting mechanism in the cutter cover 4 is in contact with a ground lawn, the mowing operation is completed through rotation of the cutter frame, at the moment, the cutter cover 4 pulls the scissor rod 8 to unfold in the falling process, the scissor rod 8 plays a role of limiting and supporting in the unfolding process, the pushing stability of the electric push rods 9 is improved, and meanwhile, because the two groups of electric push rods 9 are independent driving units, when the telescopic lengths of the two groups of electric push rods 9 are different, the mowing cutter head can form an inclined angle to adapt to different mowing terrains;

the cutting mechanism is fixed at the end part of the knife cover 4 and used for finishing mowing operation along with the lifting of the knife cover 4; the cutting mechanism comprises a rotating motor 7, the rotating motor 7 is arranged on two sides of the end part of the cutter cover 4, the output end of the rotating motor 7 is connected with a rotating shaft 5, one end of the rotating shaft 5, far away from the rotating motor 7, is fixedly connected with a cutter disc clamping seat 6 arranged in the cutter cover 4, a cutting knife rest is arranged on the cutter disc clamping seat 6, and at least three groups of cutting knife rests are annularly arranged outside the cutter disc clamping seat 6;

the cutting knife rest comprises a first knife body 11 and a second knife body 12, the second knife body 12 is arranged on one side of the first knife body 11, one end of the second knife body 12 is movably connected with the end part of the first knife body 11, the other end of the second knife body is fixedly provided with a connecting piece 14, and the connecting piece 14 penetrates into the cutterhead clamping seat 6 and is riveted with the cutterhead clamping seat 6 through a first rivet 15 arranged at the end part of the connecting piece; a connecting clamping block 13 is arranged on one side, close to the cutter body II 12, of the cutter body I11, the connecting clamping block 13 is buckled into a clamping groove formed in one side of the end part of the cutter body II 12 and matched with the clamping groove, and the cutter body II 12 is riveted with the connecting clamping block 13 through a rivet II 16 arranged at the end part of the cutter body II; each group of cutting knife rest uses two detachable quenching steels as blades, the blades are riveted with the cutter head clamping seat 6 through the rivets one 15, and certain gaps are reserved between the blades and the cutter head clamping seat 6 and the rivets one 15, the blades can work in a flail mode, the cutting knife rest can achieve certain rigidity under the action of high-speed rotating centrifugal force of the rotating motor 7 during mowing operation so as to cut off grass stalks, when the blades touch hard objects during mowing operation, the cutting knife rest can bounce in the opposite direction due to overlarge resistance, the blades are prevented from being broken or broken, and the service lives of the blades and the motor are greatly prolonged by the flail mode operation;

a reinforcing part 17 for improving the working strength of the connecting part of the rotating motor 7 and the blade cover 4 is arranged at the connecting part of the rotating motor 7 and the blade cover 4, and the reinforcing part 17 is annular and is sleeved outside the main body of the rotating motor 7 and fixedly connected with the end parts of the blade cover 4 and the rotating motor 7; because in the cutting process, the cutting knife rest connected with the output end of the rotating motor 7 can be subjected to great impact force, and the reinforcing part 17 is arranged at the joint of the rotating motor 7 and the knife cover 4, so that the stability and the safety in the working process of the rotating motor 7 can be effectively improved.

The utility model discloses a theory of operation is: the during operation, electric putter 9 starts, promote the whereabouts of blade cover 4, make the cutting mechanism in the blade cover 4 contact with the ground lawn, blade cover 4 promotes scissoring rod 8 and expandes in the whereabouts, meanwhile, the cutting knife rest rotates, accomplish the operation of mowing, scissoring rod 8 plays spacing support's effect at the expansion in-process, a stability for improving electric putter 9 and promoting, simultaneously because two sets of electric putter 9 are independent drive unit, when two sets of electric putter 9's flexible length is different, the blade disc of mowing can form the inclined plane angle in order to adapt to different topography of mowing, good adaptability has.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An adjustable mowing device comprises an operation frame plate (1) and rotating wheels (2) arranged on two sides of the operation frame plate (1), and is characterized by further comprising a lifting assembly and a cutting mechanism with a buffering function, wherein a placing area (3) is arranged on the lower end face of the operation frame plate (1), and a cutter cover (4) is arranged below the operation frame plate (1) and positioned in the placing area (3);

the lifting assembly comprises electric push rods (9) for lifting and supporting and a fork rod (8) for supporting, the electric push rods (9) are arranged on two sides above the cutter cover (4), the top ends of the electric push rods are movably connected with the top wall of the placing area (3), the bottom ends of the electric push rods are movably connected with the cutter cover (4) through a mounting seat (10) arranged on the upper end face of the cutter cover (4), the fork rod (8) is arranged on one side of the cutter cover (4), and the upper end and the lower end of the fork rod are respectively connected with the top wall of the placing area (3) and the upper end face of the cutter cover (4);

the cutting mechanism is fixed at the end part of the cutter cover (4) and used for finishing mowing operation along with the rise and fall of the cutter cover (4).

2. The adjustable mowing device according to claim 1, wherein the lower end of the mounting seat (10) is fixedly connected with the upper end face of the cutter cover (4), and the upper end of the mounting seat (10) is movably connected with the output end of the cutter cover (4) through a movable bolt.

3. The adjustable mowing device according to claim 1, wherein the cutting mechanism comprises a rotating motor (7), the rotating motor (7) is arranged on two sides of the end of the cutter cover (4), the output end of the rotating motor is connected with a rotating shaft (5), one end, far away from the rotating motor (7), of the rotating shaft (5) is fixedly connected with a cutter disc clamping seat (6) arranged in the cutter cover (4), a cutting knife rest is installed on the cutter disc clamping seat (6), and the cutting knife rest is annularly arranged outside the cutter disc clamping seat (6) for at least three groups.

4. An adjustable mowing device according to claim 3, wherein the cutter carrier comprises a first cutter body (11) and a second cutter body (12), the second cutter body (12) is arranged on one side of the first cutter body (11), one end of the second cutter body is movably connected with the end part of the first cutter body (11), the other end of the second cutter body is fixedly provided with a connecting piece (14), and the connecting piece (14) penetrates into the cutter head clamping seat (6) and is riveted with the cutter head clamping seat (6) through a first rivet (15) arranged at the end part of the connecting piece.

5. The adjustable mowing device according to claim 4, wherein a connecting block (13) is arranged on one side of the first mowing body (11) close to the second mowing body (12), the connecting block (13) is buckled into a clamping groove formed in one side of the end portion of the second mowing body (12) and matched with the clamping groove, and the second mowing body (12) is riveted with the connecting block (13) through a second rivet (16) arranged at the end portion of the second mowing body.

6. The adjustable mowing device according to claim 3, wherein a reinforcing part (17) for improving the working strength of a connecting part of the rotating motor (7) and the blade body of the blade cover (4) is arranged at the connecting part, the reinforcing part (17) is annular, is sleeved outside the main body of the rotating motor (7) and is fixedly connected with the end parts of the blade cover (4) and the rotating motor (7).