CN2267624Y

CN2267624Y - Manual harvester

Info

Publication number: CN2267624Y
Application number: CN 96208439
Authority: CN
Inventors: 潘兆远
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-04-08
Filing date: 1996-04-08
Publication date: 1997-11-19
Anticipated expiration: 2006-04-08

Abstract

The utility model relates to a manual harvester which comprises a pull handle, an outer case, wheels, etc., wherein a drive sprocket and a worm wheel are arranged coaxially in the outer case, the worm wheel is meshed with a worm screw connected with a rock arm, and the drive sprocket drives a driven sprocket via a chain, wherein the driven sprocket is provided with drive gears coaxially; the drive gears are meshed with driven gears which are provided with a compass wheel coaxially, the compass wheel is connected with two drive inner arms and positioning outer arms via a connection shaft on the compass wheel, the positioning outer arms are connected with a saw blade, and in addition, a tension spring arranged on the outer case is connected with a corner sprocket on the chain. The manual harvester has high harvesting efficiency, simple structure, small size, light weight and low cost. The manual harvester can reduce labor intensity and save energy and electricity, and is suitable for high field thick pole work.

Description

Hand reaper

The utility model relates to a kind of hand reaper.

At present, domestic especially jowar, corn, sugarcane producing region are during the thick bar crop in harvesting high fields; Basically all be to utilize the cheap labour, adopt original harvesting tool such as reaping hook, hoe; Its efficiency is low, and labour intensity is big.External high fields thick bar crop harvesting instrument mainly contains U.S., adds the diesel harvesting machinery of two countries; Be characterized in driving blade, adopt the vibration cutting by power; When its weak point is the vibration cutting, can not cut thick bar effectively, grind on it, cause the artificial difficulty of harvesting once more, and volume be heavy, the operation of incompatibility terraced fields and forwards bar is pushed over.At home, mainly containing the wheat Rice harvester, is to be power with the wheel, adopts the knife cut harvesting; Can only be applicable to wheat, paddy harvesting, then powerless to the thick bar operation in high fields.

The purpose of this utility model be for a kind of harvesting efficiency height is provided, can reduces labour intensity, the power and energy saving, simple in structure, volume is little, in light weight, cost is low, be suitable for the hand reaper of the thick bar operation in high fields.

The purpose of this utility model can realize by following measure:

A kind of hand reaper, contain and draw handle, shell, wheel etc.: be coaxially installed with drive sprocket and worm gear in the enclosure, worm gear and the worm engaging that is connected with rocking arm, drive sprocket drives the driven sprocket that is coaxially installed with driven wheel by chain; Driven wheel and the driven gear engagement that is coaxially installed with the compass wheel; The compass wheel connects two transmission inner arms and location outer arm by the connecting axle on it, and location outer arm and saw blade link; In addition at the jockey sprocket that is provided with on the shell on the extension spring connection chain; Shell upper and lower two parts at its wheel place are 20～30 ° of angles; Being connected between described connecting axle and transmission inner arm, transmission inner arm and location outer arm and location outer arm and the saw blade is flexible connection.

The utility model has following advantage compared to existing technology:

1, the utility model adopts manpower to shake rocking arm, drives worm gear, worm screw, cuts thick bar thereby drive the left and right motion of saw blade by drive sprocket, gear; The worm and gear transmission of this structure is laborsaving, can be suitable for old, weak people's operation.

2, the utility model need not machine power, thereby the power and energy saving.

3, efficient height of the present utility model, manpower surplus a machine can support ten, thereby can save the labour, reduce labour intensity.

4, of the present utility model simple in structure, volume is little, cost is low.

Concrete structure of the present utility model is provided by the following drawings:

1-draws a 2-shell 3-Rocker arm 4-worm screw 5-worm gear

6-drive sprocket 7-chain 8-wheel 9-extension spring

10-jockey sprocket 11-driven wheel 12-driven sprocket

13-compass wheel 14-driven gear 15-saw blade

16-connecting axle 17-transmission inner arm 18-saw blade fixed head

19-locatees outer arm

Fig. 2 is an A-A cutaway view of the present utility model

The utility model is also incited somebody to action in conjunction with the accompanying drawings, and 1,2 embodiment are described in further detail:

With reference to Fig. 1,2, a kind of hand reaper contains and draws (1), shell (2), wheel (8) etc.; Be provided with in the upper end of shell (2) and draw, and be provided with wheel (8) in the both sides of shell (2) (1); Upper and lower two parts that shell (2) is located at its wheel (8) are 25 ° of angles; Be coaxially installed with drive sprocket (6) and worm gear (5) in the shell (2), worm gear (5) and worm screw (4) engagement that is connected with rocking arm (3), drive sprocket (6) drives the driven sprocket (12) that is coaxially installed with driven wheel (11) by chain (7); Driven wheel (11) and driven gear (14) engagement that is coaxially installed with compass wheel (13); Compass wheel (13) connects two transmission inner arms (17) and location outer arm (19) by the connecting axle (16) on it, and location outer arm (19) links with saw blade (15); Being connected between connecting axle (16) and transmission inner arm (17), the transmission arm (17) and location outer arm (19), location outer arm (19) and saw blade (15) is flexible connection; In addition at the jockey sprocket (10) that is provided with on the shell (2) on extension spring (9) the connection chain (7).

Claims

1, a kind of hand reaper contains and draws (1), shell (2), wheel (8) etc.; It is characterized in that in shell (2), being coaxially installed with drive sprocket (6) and worm gear (5), worm gear (5) and worm screw (4) engagement that is connected with rocking arm (3), drive sprocket (6) drives the driven sprocket (12) that is coaxially installed with driven wheel (11) by chain (7); Driven wheel (11) and driven gear (14) engagement that is coaxially installed with compass wheel (13); Compass wheel (13) connects two transmission inner arms (17) and location outer arm (19) by the connecting axle (16) on it, and location outer arm (19) links with saw blade (15); In addition at the jockey sprocket (10) that is provided with on the shell (2) on extension spring (9) the connection chain (7).

2, hand reaper as claimed in claim 1 is characterized in that upper and lower two parts that shell (2) is located at its wheel (8) are 20～30 ° of angles.

3, hand reaper as claimed in claim 1 is characterized in that being connected between connecting axle (16) and transmission inner arm (17), transmission inner arm (17) and location outer arm (19) and location outer arm (19) and the saw blade (15) is flexible connection.