CN217389422U

CN217389422U - Grass-mowing height adjusting structure of grass-mowing machine

Info

Publication number: CN217389422U
Application number: CN202221361878.4U
Authority: CN
Inventors: 徐�明; 王韦芸; 朱青松
Original assignee: Qianjiang Group Wenling Zhengfeng Power Co ltd
Current assignee: Qianjiang Group Wenling Zhengfeng Power Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-09
Anticipated expiration: 2032-05-30

Abstract

The utility model provides a grass-mowing altitude mixture control structure of grass mower belongs to grass mower technical field. It has solved how to further improve the stability of machine height control structure of beating the grass. This height adjustment structure of beating grass of machine of beating grass is provided with the fixed axle that makes the fixed disk keep circumference fixed on power output shaft, is equipped with the spliced eye on the fixed disk, and the spliced eye cover is established on the fixed axle, is equipped with the mount on the fixed disk, still is connected with the mount pad on the power output shaft, is equipped with a plurality of regulation hole on the mount pad, is equipped with the erection column on the mount pad, still is equipped with on the erection column to enable the fastener of mount axial fixity on power output shaft, and the fastener passes the regulation hole and fixes on the erection column. The height adjustment of the rope of beating grass is realized through the regulation hole of mount, erection column and fastener to this scheme, makes the fixed disk more stable fix on power output shaft through fixed axle and spliced eye simultaneously, further improves the stability of the quick-witted height adjustment structure of beating grass.

Description

Grass-mowing height adjusting structure of grass-mowing machine

Technical Field

The utility model relates to a grass trimmer technical field, concretely relates to grass trimmer's height control structure that mows grass.

Background

The grass trimmer is widely applied to agriculture, animal husbandry and garden industry as agricultural mechanical equipment, and is mainly used for cutting various crops such as corn straws, rice straws and pasture. At present, the connection mode of the grass mowing rope of the grass mowing machine of the same type almost ties the grass mowing rope to the grass mowing head, and the working height of the grass mowing machine after the grass mowing rope is wound is only fixed by one height, so that the height of a lawn after grass mowing is always constant, the grass mowing machine cannot be adjusted as required, and the application range of the grass mowing machine is limited.

As in chinese patent application No.: 202120467583.4, patent name: a grass trimmer with adjustable grass trimming height discloses that a transmission shaft is installed at the end part of a grass trimmer body, a grass trimming head assembly which synchronously rotates with the transmission shaft is installed on the transmission shaft, the grass trimming head assembly comprises a rotary disk and a shaft sleeve, the shaft sleeve is fixed on the rotary disk, a longitudinal adjusting hole and a transverse limiting hole are formed in the shaft sleeve, all the transverse limiting holes are communicated with the longitudinal adjusting hole, positioning holes are formed in the circumferential side wall of the transmission shaft, and the shaft sleeve is connected with the transmission shaft through bolts and butterfly nuts.

In the above-mentioned patent, the rotation of beating grass head subassembly mainly drives the rotatory realization of axle sleeve through the transmission shaft, and transmission shaft and axle sleeve pass through bolt and butterfly nut fixed. The rotary disk drives the rope of beating the grass at the during operation, and the rotary disk can touch the stereoplasm object, and the rotary disk receives great impact, because transmission shaft and axle sleeve only pass through bolt and butterfly nut fixed, the joint strength between transmission shaft and the axle sleeve is less strong, leads to axle sleeve or transmission shaft to take place to damage easily.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a grass mowing height adjusting structure of a grass mowing machine, which aims to solve the technical problems that: how to further improve the stability of the height adjusting structure of the grass trimmer.

The purpose of the utility model can be realized by the following technical proposal: a grass-mowing height adjusting structure of a grass-mowing machine comprises a fixed disc for fixing a grass-mowing rope, the fixed disk is symmetrically provided with a fixed plate and a limit frame, the grass mowing rope passes through the limit frame after passing around the fixed plate, the stand of the grass mowing machine is provided with a power output shaft connected with the fixed disk, it is characterized in that the power output shaft is provided with a fixed shaft which can lead the fixed disc to be fixed on the power output shaft in the circumferential direction, the fixed disc is provided with a plug hole which is sleeved on the fixed shaft, the fixed disc is provided with a fixed frame, the power output shaft is also connected with a mounting seat, the fixing frame is provided with a plurality of adjusting holes, the mounting seat is provided with a mounting column, the mounting column is further provided with a fastener which can enable the fixing frame to be axially fixed on the power output shaft, and the fastener penetrates through the adjusting hole and is fixed on the mounting column.

In this scheme, the fixed disk is kept fixed in the circumference of fixed axle for the structure of fixed axle and spliced eye, the fixed axle drives the fixed disk rotation, the mount pad keeps fixed in the epaxial axial of power output, the fastener inserts the height of different regulation holes regulation fixed disk, make the height-adjustable of beating the grass rope, after the height determination of fixed disk, the fastener makes mount and mount pad keep fixed, make the mount keep fixed in power output shaft's axial, power output shaft drives the fixed disk rotation, the fixed disk rotation drives the function that the rope realization of beating the grass. The height adjustment of the grass rope is realized to erection column and fastener on this scheme regulation hole, the mount pad through the mounting bracket, makes the fixed disk more stable fix on power output shaft through fixed axle and spliced eye simultaneously, further improves the stability of the quick-witted height control structure of beating the grass.

In the grass mowing height adjusting structure of the grass mowing machine, the fastening piece comprises a connecting rod and a positioning column, the connecting rod is fixedly connected with the mounting column, the diameter of the positioning column is slightly smaller than that of the adjusting hole, and the positioning column is located in the adjusting hole. The diameter of reference column slightly is less than the diameter of regulation hole, and when the reference column was located the regulation hole, reference column and regulation hole keep relatively fixed for mount and mount pad are connected more stably.

In the grass mowing height adjusting structure of the grass mowing machine, the mounting columns are columnar and symmetrically arranged along the power output shaft, the diameter of each mounting column is larger than that of the corresponding adjusting hole, and the end faces of the mounting columns abut against the inner wall of the fixing frame. The mount pad has certain elasticity, and the knob is rotatory to be made the erection column that the symmetry set up can support and lean on the inner wall of mount for mount and mount pad are connected more stably, avoid squeezing the regulation hole simultaneously, prevent that the regulation hole from being destroyed, and the erection column sets up along power output shaft symmetry, makes when the fixed disk is rotatory more stable.

In the grass height adjusting structure of the grass trimmer, the mounting seat is fixed on the power output shaft.

In the grass mowing height adjusting structure of the grass mowing machine, the mounting column and the fastening piece are both provided with threads, and the mounting column is connected with the connecting rod through the threads. The mounting column and the connecting rod are connected through threads to facilitate the disassembly and assembly of the fastener and the mounting column.

In the grass-mowing height adjusting structure of the grass mower, the rack is provided with the shielding plate, the shielding plate is provided with the shell, and the shell is positioned outside the fixing frame. The shell is positioned outside the fixed frame to prevent objects such as forage from entering the power output shaft.

In the grass mowing height adjusting structure of the grass mowing machine, the rack is further provided with a fixed seat, the fixed seat is provided with a bearing, and the power output shaft is installed on the fixed seat through the bearing.

In the grass mowing height adjusting structure of the grass mowing machine, the power output shaft is fixedly connected with the belt pulley, and the belt pulley drives the power output shaft to rotate.

In the grass mowing height adjusting structure of the grass mowing machine, the power output shaft is also connected with the cutter bowl, and the cutter bowl is positioned below the fixed disc. The cutter bowl can prevent the fixed disk from directly contacting with the ground, and the fixed disk is protected.

In the grass height adjusting structure of the grass trimmer, the fastening piece is also provided with a knob. The knob facilitates the rotational adjustment of the fastener.

Compared with the prior art, the utility model has the advantages of it is following:

1. this scheme is through the height control of the rope of beating grass of adjusting hole, the erection column and the fastener realization of mount on the mount pad of mount, makes the fixed disk more stable fix on power output shaft through fixed axle and spliced eye simultaneously, further improves the stability of beating the quick-witted height control structure of grass.

2. In this scheme, the mount pad has certain elasticity, and the knob rotation makes the erection column that the symmetry set up can support and lean on the inner wall of mount for mount and mount pad are connected more stably, avoid squeezing the regulation hole simultaneously, prevent that the regulation hole from being destroyed, and the erection column sets up along power output shaft symmetry, makes when the fixed disk is rotatory more stable.

3. In this scheme, can get the height of adjusting the fixed disk fast through knob, mount pad and mount isotructure for the altitude mixture control of beating the grass is more convenient.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

fig. 4 is a partial structural schematic diagram of the present invention.

In the figure, 1, a frame; 1a, a shell; 1b, a shielding plate; 1c, a fixed seat; 2. a gasoline engine; 3. a roller; 4. a handrail frame; 5. fixing the disc; 5a, a fixing piece; 5b, a limiting frame; 5c, inserting holes; 5d, fixing a frame; 5d1, adjusting hole; 6. beating a straw rope; 7. a knife bowl; 8. a power take-off shaft; 8a, a fixed shaft; 9. a mounting seat; 9a, mounting posts; 10. a fastener; 10a, a connecting rod; 10b, a knob; 10c, a positioning column; 11. a bearing; 12. a pulley.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, in the embodiment, the grass trimmer includes a frame 1, a gasoline engine 2 and a roller 3 for moving the grass trimmer are mounted on the frame 1, and the roller 3 is located below the gasoline engine 2, so as to improve the stability of the grass trimmer during moving. The frame 1 is fixedly connected with a handrail frame 4, the handrail frame 4 is positioned at the rear part of the gasoline engine 2, and the moving direction of the grass trimmer can be changed through the handrail frame 4. Still be provided with shell 1a in frame 1, shell 1a is used for sheltering from the forage, protects the inner structure of machine of beating grass. The lower part of the grass trimmer is also provided with a baffle plate 1b, and the baffle plate 1b is used for shielding forage, so that the forage is prevented from moving to the rear part of the grass trimmer to influence the use of an operator. Be provided with fixed disk 5 in the below of frame 1, the symmetry is provided with stationary blade 5a on fixed disk 5, winds on stationary blade 5a and has the rope 6 of beating grass that is used for beating grass, and the dismouting of stationary blade 5a convenient rope 6 of beating grass still is equipped with spacing 5b on fixed disk 5, and rope 6 of beating grass passes spacing 5b, and spacing 5b makes the rope 6 of beating grass install more stably on fixed disk 5. A knife bowl 7 is further arranged below the fixed disc 5, and when the grass trimmer trims grass, the knife bowl 7 can be used for preventing the mounting plate from directly contacting the ground.

As shown in fig. 3 and 4, a fixing seat 1c is arranged on the frame 1 of the grass trimmer, two bearings 11 are arranged on the fixing seat 1c, and the power output shaft 8 is arranged on the bearings 11. The power output shaft 8 is fixedly connected with the belt pulley 12, and the gasoline engine 2 enables the belt pulley 12 to rotate so as to drive the power output shaft 8 to rotate. The power output shaft 8 is connected with the fixed disc 5, a fixed shaft 8a is arranged on the power output shaft 8, an inserting hole 5c is arranged on the fixed disc 5, and the inserting hole 5c is sleeved on the fixed shaft 8 a. The fixing shaft 8a is partially cut off, the inserting hole 5c is provided with a convex block which is matched with the cut-off part of the fixing shaft 8a, and the fixing disc 5 is fixed on the circumferential direction of the fixing shaft 8a and can slide on the axial direction of the fixing shaft 8 a. The fixed disc 5 is also provided with a columnar hollow fixed frame 5d, the fixed frame 5d is symmetrically provided with a plurality of adjusting holes 5d1 relative to the power output shaft 8, and the adjusting holes 5d1 positioned at one side of the power output shaft 8 are communicated with each other. Still be equipped with mount pad 9 on power take-off shaft 8, mount pad 9 has certain elasticity and is symmetrical about power take-off shaft 8, be provided with erection column 9a on the mount pad 9 is symmetrical, be connected with fastener 10 on the erection column 9a, fastener 10 includes connecting rod 10a, knob 10b and reference column 10c, be equipped with the screw thread in the erection column 9a, be provided with the screw thread on the connecting rod 10a, connecting rod 10a passes regulation hole 5d1 and is connected with erection column 9a, the diameter of reference column 10c is less than the diameter of regulation hole 5d1, when mount pad 9 and fixing base 1c are fixed, reference column 10c is located regulation hole 5d 1.

The working principle of the embodiment is as follows: the inserting hole 5c of the fixed disc 5 is inserted into the fixed shaft 8a of the power output shaft 8, the fixed disc 5 can slide in the axial direction of the fixed shaft 8a and keep fixed in the axial direction of the fixed shaft 8a, the fixed disc 5 is adjusted to a required grass mowing height, so that the adjusting hole 5d1 on the fixed seat 1c is aligned with the mounting column 9a on the mounting seat 9, the fastener 10 penetrates through the adjusting hole 5d1 and then rotates the knob 10b to enable the connecting rod 10a to be screwed into the mounting column 9a until the positioning column 10c is located in the mounting hole and the end face of the mounting column 9a abuts against the inner wall of the fixed seat 1c, the power output shaft 8 drives the fixed disc 5 to rotate, and the fixed disc 5 rotates to drive the grass mowing rope 6 to achieve a grass mowing function. This scheme realizes beating grass the altitude mixture control of rope 6 through erection column 9a and fastener 10 on the regulation hole 5d1, the mount pad 9 of mounting bracket, makes fixed disk 5 stable more fix on power output shaft 8 through fixed axle 8a and spliced eye 5c simultaneously, further improves the stability of beating grass quick-witted altitude mixture control structure.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, rack is used more herein; 1a, a shell; 1b, a shielding plate; 1c, fixing seats; 2. a gasoline engine; 3. a roller; 4. an armrest frame; 5. fixing the disc; 5a, a fixing piece; 5b, a limiting frame; 5c, inserting holes; 5d, fixing a frame; 5d1, adjusting hole; 6. beating a straw rope; 7. a knife bowl; 8. a power take-off shaft; 8a, a fixed shaft; 9. a mounting seat; 9a, mounting posts; 10. a fastener; 10a, a connecting rod; 10b, a knob; 10c, a positioning column; 11. a bearing; 12. pulleys, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. A grass mowing height adjusting structure of a grass mowing machine comprises a fixed disc (5) used for fixing a grass mowing rope (6), wherein a fixed plate (5a) and a limiting frame (5b) are symmetrically arranged on the fixed disc (5), the grass mowing rope (6) passes through the limiting frame (5b) after bypassing the fixed plate (5a), a power output shaft (8) connected with the fixed disc (5) is arranged on a rack (1) of the grass mowing machine, the grass mowing machine is characterized in that a fixed shaft (8a) which enables the fixed disc (5) to be fixed on the power output shaft (8) in the circumferential direction is arranged on the power output shaft (8), an inserting hole (5c) is formed in the fixed disc (5), the inserting hole (5c) is sleeved on the fixed shaft (8a), a fixed frame (5d) is arranged on the fixed disc (5), and a mounting seat (9) is further connected on the power output shaft (8), mount (5d) on be equipped with a plurality of regulation hole (5d1), mount pad (9) on be equipped with erection column (9a), erection column (9a) on still be equipped with fastener (10), fastener (10) pass regulation hole (5d1) and fix on erection column (9 a).

2. The grass cutting height adjusting structure of a grass trimmer according to claim 1, wherein the fastening member (10) comprises a connecting rod (10a) and a positioning post (10c), the connecting rod (10a) is fixedly connected with the mounting post (9a), the diameter of the positioning post (10c) is slightly smaller than that of the adjusting hole (5d1), and the positioning post (10c) is positioned in the adjusting hole (5d 1).

3. The grass cutting height adjusting structure of a grass cutter according to claim 2, characterized in that the mounting posts (9a) are cylindrical and symmetrically arranged along the power output shaft (8), the diameter of the mounting posts (9a) is larger than that of the adjusting holes (5d1), and the end surfaces of the mounting posts (9a) abut against the inner wall of the fixing frame (5 d).

4. A grass height adjustment structure of a grass trimmer according to claim 3, characterized in that the mounting seat (9) is fixed on the power take-off shaft (8).

5. The grass cutting height adjusting structure of a grass trimmer according to claim 4, wherein the mounting post (9a) and the connecting rod (10a) are both provided with threads, and the mounting post (9a) and the connecting rod (10a) are connected through the threads.

6. The grass cutting height adjusting structure of a grass cutter according to claim 5, characterized in that the frame (1) is provided with a shielding plate (1b), the shielding plate (1b) is provided with a housing, and the housing is positioned outside the fixing frame (5 d).

7. A grass cutting height adjusting structure of a grass cutter according to claim 6, characterized in that the frame (1) is further provided with a fixed seat (1c), the fixed seat (1c) is provided with a bearing (11), and the power output shaft (8) is mounted on the fixed seat (1c) through the bearing (11).

8. A grass cutting height adjusting structure of a grass trimmer according to claim 7, characterized in that a belt pulley (12) is fixedly connected to the power output shaft (8), and the belt pulley (12) drives the power output shaft (8) to rotate.

9. The grass mowing height adjusting structure of the grass mower according to claim 8, wherein a cutter bowl (7) is further connected to the power output shaft (8), and the cutter bowl (7) is located below the fixed disc (5).

10. A grass cutting height adjusting structure of a grass trimmer according to claim 9, characterized in that the fastening member (10) is further provided with a knob (10 b).