CN210093998U

CN210093998U - Rear-drive planetary gear self-walking device for stepping lawn machine

Info

Publication number: CN210093998U
Application number: CN201920654486.9U
Authority: CN
Inventors: 杨慧明; 刘永根; 陈军
Original assignee: Zhejiang Painier Technology Inc
Current assignee: Zhejiang Painier Technology Inc
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-02-21
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses a marching type lawn mower is with back drive formula planetary gear from walking device, set up at two left front wheels in chassis, the symmetry setting of chassis that are equipped with the engine including inside, the symmetry sets up at two rear wheels on chassis right side, sets up planet gear wheel, backup pad, fender position link plate and driving belt on the rear wheel, the chassis is equipped with torsion beam with the right-hand member that the rear wheel corresponds, and two rear wheels pass through torsion beam rigid connection, torsion beam's middle part is equipped with the reducing gear box, torsion beam's both ends are equipped with the planet pinion, planet gear wheel and planet pinion intermeshing, be equipped with the blade on the output shaft on the inside engine in chassis. This marching type lawn mower is with back drive formula planetary gear from walking device, torsion is big, and is fast, can effectively accelerate the cutting walking speed of lawn mower, obviously improves work efficiency, saves time.

Description

Rear-drive planetary gear self-walking device for stepping lawn machine

Technical Field

The utility model relates to a garden machine technical field specifically is a marching type lawn mower is with back drive formula planetary gear from walking device.

Background

The modern society pays more and more attention to the environmental greening work, and with the promotion and improvement of urban greening, large-area garden greenbelts need maintenance operation; the popularization and the use of the garden machine enable people to be released from heavy physical labor, reduce the labor intensity of workers and improve the working efficiency, and the garden machine is more and more popular with people, wherein the market demand of the stepping lawn machine is particularly obvious, and the stepping lawn machine has the characteristics of simple operation, convenient use and high efficiency.

The driving mechanism of the prior commonly used stepping lawn mower generally adopts an engine to output power, a left rear wheel and a right rear wheel are rigidly connected through a torsion beam, a reduction gearbox is hung in the middle of the torsion beam to form a rear axle system, and the torsion beam is directly fixed at the central positions of the left rear wheel and the right rear wheel; on the other hand, a large belt pulley is assembled on the reduction gearbox, and a small belt pulley is assembled on the output shaft of the engine; the big belt pulley and the small belt pulley are connected through the transmission belt, and when the engine is started to drive the small belt pulley to rotate, the transmission belt sequentially drives the big belt pulley, so that the reduction gearbox is driven to drive the rear wheel to be forwards pushed, and the self-walking function of the lawn mower is realized. The structure has a reduction ratio of the gear box, so that the speed of the tire is relatively slow and takes a long time in actual work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a marching type lawn mower with back drive formula planetary gear from walking device, at tire internally designed planetary gear transmission, overcome the deceleration of gear box, improve the forward velocity of tire, under the arrangement same area meadow area, spend time still less, rational in infrastructure, convenient high-efficient, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a marching type lawn mower is with back drive formula planetary gear from walking device, sets up at two left front wheels of chassis, symmetry that are equipped with the engine including inside chassis, symmetry, sets up two rear wheels on the chassis right side, sets up planet gear wheel, backup pad, fender position link plate and driving belt on the rear wheel, the right-hand member that chassis and rear wheel correspond is equipped with the torsion beam, and two rear wheels pass through torsion beam rigid connection, the middle part of torsion beam is equipped with the reducing gear box, the both ends of torsion beam are equipped with the planet pinion, planet gear wheel and planet pinion intermeshing, be equipped with the blade on the output shaft on the inside engine in chassis.

As an optimal technical scheme of the utility model, the planet pinion assembles in the backup pad, be equipped with the adjustment handle who is used for constituteing height control system in the backup pad, and adjustment handle's middle part is connected with fender position link plate.

As an optimal technical scheme of the utility model, be equipped with big belt pulley on the reducing gear box, and be equipped with the belt lace wheel on the output shaft of engine, big belt pulley and belt lace wheel pass through driving belt and connect the transmission.

As an optimal technical scheme of the utility model, the inside of rear wheel is equipped with the axle sleeve, the internally mounted of axle sleeve has the bearing, the inside rotation of bearing is provided with the rear axle of being connected with the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: this marching type lawn mower is with back drive formula planetary gear from walking device, engine drive blade can drive the reducing gear box rotatory when cutting weeds, and the reducing gear box can drive the rotation of planet gear wheel through drive planet pinion simultaneously, and final drive rear wheel is the forward motion, realizes lawn mower from walking the function, and this planetary gear transmission torsion is big, and is fast, can effectively accelerate lawn mower's cutting walking speed, obviously improves work efficiency, saves time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle and rear wheels of the present invention;

fig. 3 is a schematic bottom view of the middle chassis of the present invention;

fig. 4 is a left side view of the present invention;

fig. 5 is a schematic sectional structure view of the left view of the rear wheel of the present invention.

In the figure: the device comprises a chassis 1, an adjusting handle 2, a gear hanging plate 3, a supporting plate 4, a planet pinion 5, a planet bull gear 6, a rear wheel 7, a front wheel 8, a bearing 9, a rear wheel shaft 10, a reduction gearbox 11, a transmission belt 12, a blade 13, a torsion beam 14 and a shaft sleeve 15.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a rear-drive planetary gear self-walking device for a stepping lawn mower comprises a chassis 1, two front wheels 8, two rear wheels 7, a planetary gear 6, a support plate 4, a gear hanging plate 3 and a transmission belt 12, wherein an engine is arranged in the chassis 1, the two front wheels 8 are symmetrically arranged on the left side of the chassis 1, the two rear wheels 7 are symmetrically arranged on the right side of the chassis 1, the planetary gear 6 is arranged on the rear wheels 7, the right end of the chassis 1 corresponding to the rear wheels 7 is provided with a torsion beam 14, the two rear wheels 7 are rigidly connected through the torsion beam 14, a shaft sleeve 15 is arranged in the rear wheel 7, a bearing 9 is arranged in the shaft sleeve 15, a rear wheel shaft 10 connected with a bottom plate 1 is rotatably arranged in the bearing 9, so that the rear wheels 7 can freely rotate and reduce the friction of the rear wheels 7, a reduction box 11 is arranged in the middle of the torsion beam 14, planetary pinions 5 are arranged at two ends of the, the supporting plate 4 is provided with an adjusting handle 2 for forming a height adjusting system, the middle part of the adjusting handle 2 is connected with a gear hanging plate 3, a reduction box 11 is provided with a large belt pulley, an output shaft of an engine is provided with a small belt pulley, the large belt pulley and the small belt pulley are connected and driven through a transmission belt 12, when the engine rotates, the engine drives the reduction box 11 to rotate and sequentially drives a planet pinion 5 to be meshed with a planet bull gear 6, the planet bull gear 6 drives a rear wheel 7 to rotate and finally drives the rear wheel 7 to move forwards, so that the self-propelled lawn function when the lawn mower cuts grass is realized, a blade 13 is arranged on an output shaft on the engine inside the chassis 1, after the engine works, the blade 13 is driven to rotate, when the blade 13 rotates, the operation of cutting grass is carried out, the whole stepping lawn mower uses a rear-drive type planet self-propelled, meanwhile, the reduction box 11 can drive the planet big gear 6 to rotate by driving the planet small gear 5, and finally drives the rear wheel 7 to move forwards, so that the self-walking function of the lawn mower is realized.

When in use: the blade 13 is driven to rotate after the engine works, the blade 13 cuts weeds when rotating, meanwhile, the engine drives the reduction gearbox 11 to rotate and sequentially drives the planet pinion 5 to be meshed with the planet bull gear 6, the planet bull gear 6 drives the rear wheel 7 to rotate and finally drives the rear wheel 7 to move forwards, and therefore the self-walking function of the lawn mower when cutting the weeds is achieved.

The utility model discloses can drive reducing gear box 11 rotatory when engine drive blade 13 cuts weeds, reducing gear box 11 can drive planet gear wheel 6 through drive planet pinion 5 and rotate simultaneously, and 7 forward movements of final drive rear wheel realize the lawn mower from walking the function, and this planetary gear transmission torsion is big, and is fast, can effectively accelerate the cutting walking speed of lawn mower, obviously improves work efficiency, save time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a marching type lawn mower is with back drive formula planetary gear from walking device which characterized in that: including inside chassis (1), the symmetry that is equipped with the engine set up in chassis (1) left two front wheels (8), symmetry set up two rear wheels (7) on chassis (1) right side, set up planet gear wheel (6), backup pad (4), fender position link plate (3) and driving belt (12) on rear wheel (7), the right-hand member that chassis (1) and rear wheel (7) correspond is equipped with torsion beam (14), and two rear wheels (7) pass through torsion beam (14) rigid connection, the middle part of torsion beam (14) is equipped with reducing gear box (11), the both ends of torsion beam (14) are equipped with planet pinion (5), planet gear wheel (6) and planet pinion (5) intermeshing, be equipped with blade (13) on the output shaft on chassis (1) inside engine.

2. The rear-drive planetary gear self-propelled device for the stepping lawn mower according to claim 1, wherein: the planet pinion (5) is assembled on the supporting plate (4), the supporting plate (4) is provided with an adjusting handle (2) used for forming a height adjusting system, and the middle part of the adjusting handle (2) is connected with the gear hanging plate (3).

3. The rear-drive planetary gear self-propelled device for the stepping lawn mower according to claim 1, wherein: the reduction gearbox (11) is provided with a large belt pulley, the output shaft of the engine is provided with a small belt pulley, and the large belt pulley and the small belt pulley are connected and driven through a transmission belt (12).

4. The rear-drive planetary gear self-propelled device for the stepping lawn mower according to claim 1, wherein: the rear wheel structure is characterized in that a shaft sleeve (15) is arranged inside the rear wheel (7), a bearing (9) is arranged inside the shaft sleeve (15), and a rear wheel shaft (10) connected with the chassis (1) is rotatably arranged inside the bearing (9).