CN2197798Y

CN2197798Y - Hand push rice and wheat harvester

Info

Publication number: CN2197798Y
Application number: CN 94236798
Authority: CN
Inventors: 余正
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-08
Filing date: 1994-07-08
Publication date: 1995-05-24
Anticipated expiration: 2004-07-08

Abstract

The utility model relates to a hand push rice and wheat harvester. A couple of gravity wheels is installed on a hand push frame. The hand push rice and wheat harvester adopts the double sickle cutterbar driven by a grooved wheel rocker to increase cutting speed and cutting efficiency. The both sides of the cutterbar are provided with a couple of depth-limiting wheels or depth-limiting sliding pries, and the cutting frame is provided with a rice collecting frame. The gravity wheels are pushed by hand to drive the cutterbar to conduct rich and wheat harvesting operation. The utility model has the advantages of simple structure, convenient operation and maintenance, and low cost. The hand push rice and wheat harvester can be adapted to rice and wheat harvest in fields with any shape.

Description

Hand push rice and wheat harvester

The utility model relates to a kind of harvest machinery, especially manumotive reaper.

Present known hand push harvest machinery, that applies for a patent is more, and can reach the few of practicality.Reason is to reach practical, and (1) cutting speed must reach paddy rice 0.75～1.3m/s, wheat 1.25～2.2m/s; (2) cutting power must reach every meter swath near 75 Kilogram-Meter Per Seconds; Reach this two basic demands, hand push grain header such as number of patent application: 88212054, the hand-push type rice cutter; As number of patent application: 89203793, the hand-push type corn mowing machine; As number of patent application: 89211579, hand push hand reaper etc., its propelled at high velocity can only reach the cutting speed of Zhou rice.By falling square speed-raising, as number of patent application: 89202131, the hand push grain header; Number of patent application: 89205948, manually abdomen pushes away grain header etc., and the transmission mechanism complexity is difficult to the cutting power that reaches necessary.Therefore, manually be the harvester for both rice and wheat tool of power with hand push, be difficult to reach practical level.

The purpose of this utility model is a kind of manumotive reaper that provides for the weak point that overcomes above-mentioned technology existence.

Order of the present utility model is achieved in that on a hand push frame, is the gravity wheel of gravity by adorning a pair of with wheel rim weight, and gravity wheel has and the paddy field, the wheel face blade that the wheat field adhesion property is good; Adopt my patent No.: 92236179.7, the double sickle cutterbar of sheave fork transmission is to improve cutting speed and cutting efficiency; The dress rice crop placing and collecting frame is pressed by adorning a pair of high gauge wheel that cuts in the cutter both sides above cutting rack; The harvesting dark skid of limit that the gauge wheel of cutter both sides changed the outfit during paddy rice, the hand push gravity wheel drives cutter, can reach the purpose of harvesting paddy rice and wheat.

Because adopt such scheme, the utility model and prior art are compared, and have: (1) can reach harvesting paddy rice, the desired cutting speed of wheat; (2) can reach the necessary cutting power of harvesting 1～2 row rice wheat; (3) simple in structure, easy maintenance; (4) swath broad, efficient are higher; (5) with low cost; (6) has all adaptable function of landform field piece of water paddy and wheat and any complexity.

The utility model is described in further detail below in conjunction with drawings and Examples:

Accompanying drawing 1, the manumotive reaper structure chart

Accompanying drawing 2, the pushing angle figure on the hand push frame

Accompanying drawing 3, the gravity wheel cutaway view

Accompanying drawing 4, the double sickle cutterbar parameter of double pendulum groove fork transmission is selected figure

Accompanying drawing 5 cuts high gauge wheel and skid end view

Accompanying drawing 6, the rice crop placing and collecting frame end view

Accompanying drawing 1 is described the manumotive reaper structure, is made of hand push frame (1), gravity wheel (2), (3), sheave (4), fork (5), (6), the sliding bed of cutter (7), following knife section (8), upper cutter (9), gauge wheel (10), (11), sheave fork protective cover (12), cutter cover (13) rice crop placing and collecting frame (14); Gravity wheel (2), (3) are by being loaded on the hand push frame (1); gravity wheel (2), (3) driving sheaves (4) drive fork (5), (6), following knife section (8), upper cutter (9) cut; gauge wheel or limit dark skid (10), (11) by the both sides that are loaded on the sliding bed of cutter (7); sheave fork protective cover (12) covers sheave (4) fork (5), (6) from upper and lower faces; plane cover plate (13) from the sliding bed of cutter (7) to sheave (4), rice crop placing and collecting frame (14) is by being loaded on the cutting rack (15).

Accompanying drawing 2 is depicted as the pushing angle on the hand push frame, it is 40 °～50 ° that hand push frame (1) has a pushing angle (16) with gravity wheel (2), (3) wheel shaft intersection, when advancing, suitably increase pressure, to increase the adhesive force of gravity wheel (2), (3), increase driving force to sheave (4).

Accompanying drawing 3 is depicted as the structure of gravity wheel, and gravity wheel is by wheel shaft (17), and radius (18), wheel rim weight (19), wheel face width (20), wheel face blade (21) constitute; Wheel shaft (17) is a fulcrum with the concentric binding of fluted roller shaft; The pendulum groove of sheave (4) is attached most importance to; Wheel rim weight (19) wheel face width (20) wheel face blade (21) is the force with the adhesive force that ground produces, and gets the attachment coefficient that following 3 weight that can calculate the gravity wheel wheel rim: A, gravity wheel wheel face width (20) wheel face blade (21) and ground produce clear; The lever ratio of B, gravity wheel radius (18) and sheave (4) radius; The ratio of force, fulcrum, emphasis is gone up in C, fork (5), (6); Can calculate gravity wheel wheel rim weight (19); Wheel face width (20) 35～45mm; Wheel face (21) increases blade, to improve adhesion property; Full captain: 1100～1200mm uses engineering plastics and iron and steel manufacturing, and complete machine structure weight is 9～10 kilograms, and all the other need add weight and all be added on the wheel rim.

Accompanying drawing 4 is depicted as the parameter of sheave, fork, cutter and selects, and the pendulum groove angle (22) of the pendulum grooved rail mark of sheave (4) is 90 °～110 °, in the hope of reducing resistance to sliding; Sheave radius (23) is 50～70mm, and gravity wheel radius (18) is 120～150mm, makes gravity wheel radius (18) greater than sheave radius (23) more than the twice; Fork (5), (6) represent that with A, B, 3 of C A point roller is the force, and the B spot bearing is a fulcrum, and C point sliding sash and movable arbor link and attach most importance to, AB=BC, and the mutual ratio of adjustment AB and BC can be adjusted cutter travel; Harvesting amplitude (24) 150～300mm; Cutter travel (25) t ₁20～25mm+t ₂20～25mm=40～50mm; Operating speed (26) is promptly carried out speed, if per step of step pitch is 0.7m, one second 1.5 step, 2 steps were middling speed at a slow speed, and 2.8 steps are for quick, carrying out a step gravity wheel turns around, the driving sheave turns around, fork swing 17 times, then operating speed: 3780m/h at a slow speed, middling speed 5040m/h, 7056m/h fast; Cutting speed: 1.3m/s at a slow speed, middling speed 1.7m/s, 2.4m/s fast.More than can satisfy Zhou rice, japonica rice, the required cutting speed of wheat.

Accompanying drawing 5 is depicted as and cuts high gauge wheel and the dark skid structure of limit, gauge wheel (10), (11) are made of 90 ° of lifter plates (28), lifting handgrip (29), spring catch (30), key seat mouth (31), rubber tire (32) pole (33), pole (33) and lifting handgrip (29) structure be concentric at an angle of 90 to be linked on the right angle interior angle of lifter plate (28), pull lifting handgrip (29), mention spring catch (30), can press the lifting degree lifting rubber tire (32) that key seat mouth (31) limits; Gather in the use gauge wheel at wheat field and dried Tanaka, change rubber tire (32) into skid (34) in wet Tanaka's harvesting, its lifting principle is identical with rubber tire; Cutting height 3～10cm.

Accompanying drawing 6 is depicted as the rice crop placing and collecting frame structure, rice crop placing and collecting frame (14), by a minute straw (35), collection standing grain wooden fork (36), vertical rod (37), put standing grain wooden fork (38), telescopic spring bar (39), (40), button (41), (42), tensioning steel wire (43), (44) formation are drawn in the telescopic spring operation; By means of the inertia that advances, the rice wheat straw that collection is cut off, when collecting standing grain wooden fork (36) when filling standing grain, button (41) is drawn in operation, by tensioning steel wire (43) driving spring expansion link (39), collection standing grain wooden fork (36) is opened, button (42) is drawn in operation simultaneously, promote telescopic spring bar (40) by tensioning steel wire (44), make to push away standing grain wooden fork (38) and sheaf is released put down.

Claims

1, a kind of manumotive reaper is characterized in that being made of hand push frame (1), gravity wheel (2), (3), sheave (4), fork (5), (6), the sliding bed of cutter (7), following knife section (8), upper cutter (9), gauge wheel or sled (10), (11) sheave fork protective cover (12), cutter cover (13) rice crop placing and collecting frame (14); Gravity wheel (2); (3) by being loaded on the hand push frame (1); gravity wheel (2); (3) with the coaxial installation of sheave (4); fork (5); (6) one ends and sheave (4) intersect on the axis; the other end and following knife section (8); the movable arbor of upper cutter (9) links; gauge wheel or sled (10); (11) be installed on the both sides that cutter is slided bed (7); sheave fork protective cover (12) is from last; following two sides is with sheave (4); fork (5); (6) cover; plane cover plate (13) from the sliding bed of cutter (7) to sheave (4), rice crop placing and collecting frame (14) is by being loaded on the cutting rack (15).

2, manumotive reaper as claimed in claim 1 is characterized in that hand push frame (1) and gravity wheel (2), (3) wheel shaft intersection, and it is 40 °～50 ° that a pushing angle (16) is arranged.

3, manumotive reaper as claimed in claim 1 is characterized in that the gravity of gravity wheel (2), (3) concentrates on the wheel rim weight (19).

4, manumotive reaper as claimed in claim 1, it is characterized in that the parameter of sheave, fork, cutter is selected: the pendulum groove angle of the pendulum grooved rail mark of sheave (4) is 90 °～110 °; A, the B of fork (5), (6), C 3 points, AB=BC; The stroke (25) of following knife section (8), upper cutter (9) is t ₁20～25mm+t ₂20～25mm=40～50mm.

5, manumotive reaper as claimed in claim 1 is characterized in that gravity wheel (2), (3) radius (18) are greater than the radius (23) of sheave (4) more than the twice.

6, manumotive reaper as claimed in claim 1, the pole (33) that it is characterized in that gauge wheel or skid (10(11) constitutes 90 ° of right angles with lifting handgrip (29), be linked on the right angle interior angle of lifter plate (28) at 90 ° of right angles rubber tire (32) skid (34) that can change the outfit.

7, manumotive reaper as claimed in claim 1, it is characterized in that rice crop placing and collecting frame (14) by collection standing grain wooden fork (36), put standing grain wooden fork (38), telescopic spring bar (39), (40) and operation and draw button (41), (42) formation.