CN2327162Y

CN2327162Y - Fork style peanut harvester

Info

Publication number: CN2327162Y
Application number: CN 97230240
Authority: CN
Inventors: 王振启
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-16
Filing date: 1997-12-16
Publication date: 1999-07-07
Anticipated expiration: 2007-12-16

Abstract

The utility model discloses a fork-typed peanut harvester matched with a small-four-wheel tractor, comprising a machine frame, a gearbox, a cam excavator, a swinging fork, a lifted filter, a re-picking device and a small four-wheel tractor, wherein, the gear box after reducing speeds transfers power to the cam excavator driving the fork to dig downward to and fro, so that prongs are swung and lifted to and fro, to realize the first step for harvesting peanuts. Then the lifted filter which can be lifted by power, can vibrate and crush soil blocks is used for separating to realize the second step for harvesting the peanuts; the re-picking device is used for picking up dropped plants and fruits caused by missed digging to realize the third step for harvesting the peanuts. Three integrated steps can harvest the peanuts and relieve burdens of human power digging.

Description

Prong formula harvester for peanut

The utility model relates to a kind of agricultural machinery, and is specifically a kind of in the supporting prong formula harvester for peanut of tractor with small four wheels.

At present: harvesting peanut is the operation that must have in the agricultural production, and it is blank that peanut harvesting machinery belongs on China agricultural machinery market substantially, and what some producer made once in a while all is that agent structure is plough or shovel mostly.Because this harvester for peanut needs sizable traction power, the above tractor of essential adapted 20 horsepowers, its cost expense costliness, and volume is big, the field walking is turned round also inconvenient, moreover because plough, the shovel operation amount of breaking ground are big, the screening plant design is complicated, the seedling fruit is not easily separated, percent of loss is too high, so most of peasant still adopts manpower to excavate, its operating efficiency is extremely low, only gather in the crops about 0.4 mu for each person every day, percent of loss is greater than 3%, and harvesting peanut is pressed for time, seasonal strong this be a kind of burden to the peasant.

The purpose of this utility model: be exactly the above-mentioned defective that overcomes in the existing harvesting peanut, provide a kind of tractor with small four wheels in 12 horsepowers supporting, can simulate manually and than 30 times of man efficiency raisings, percent of loss is less than 2% prong formula harvester for peanut.

The purpose of this utility model is achieved in that it mainly contains: frame, gearbox, latch digger, wave crotch, lifting screener, repicker and seven most of compositions of tractor with small four wheels.Its primary structure feature is that gearbox is arranged on the tractor with small four wheels frame and sails seat left side, utilize the power output wheel of tractor with small four wheels power to be fed in the gearbox by belt, after slowing down, there is output chain gear to be transported on the latch digger by chain, drive prong and dig dark underground 10-15 centimetre, and make and wave crotch the seedling fruit and the soil of peanut are sent on the lifting screener together, vibrate through lifting screener again, after the screening, peanut seedling and fruit are drawn close and embark on journey by drawing bar in.Latch digger has main shaft, input sprocket, excavation cam, lift cam, belt pulley steel wire rope and promotes armed lever.One end of steel wire rope is connected with an end that promotes armed lever, the other end of steel wire rope is connected through dead lever and waves on the crotch, its main shaft is arranged on the back of tractor with small four wheels, correspondingly say, be fastened on the front of frame with bearing block footpath sieve bolt, input sprocket wherein, excavate cam, lift cam utilizes different angles tightly to be enclosed within on the latch digger main shaft with belt pulley by key, only wave crotch and also be enclosed within on the latch digger main shaft with the bearing element form, the bottom of waving crotch installs respectively: fixed muffle, dead lever, the slip fork arm, spring, prong bar and prong.After the power that input sprocket obtains transmitting in the gearbox, the result who produces is: excavate cam, lift cam and belt pulley rotate with main shaft, and form and excavate cam and periodically alternately acting of lift cam, can make the slip fork arm that waves crotch lower end device rely on the rotation of two excavation cams under the effect of telescopic spring power and roller wheel bearing power, to drive prong and back and forth move up and down, thereby carry out excacation with going into.Can also make and wave crotch and come ground power at steel rope through promoting the armed lever transmission, make prong do reciprocal vacillating and lifting motion with the main shaft for the garden heart, the two is synthetic, just the seedling of peanut fruit and soil all is transported on the lifting screener.This screening washer by main shaft, input belt pulley, output belt pulley, about screen sprocket wheel, pay axle, pay sprocket wheel, chain, sieve sheet, hack cylinder, shedding storage bin and draw bar in and form.Primary structure is: main shaft is fixed together through sieve bolt and frame with rolling bearing pedestal, input belt pulley output belt pulley and about the screening sprocket wheel tightly be enclosed within on the main shaft of screening washer with key, main shaft rotates they is rotated together, and two groups of chains and sieve sheet are being paid axle, are being paid under the effect of sprocket bearing power and do reciprocal conveying type running about driving, by the output belt pulley running power is fed the hack cylinder more simultaneously, making it is center of circle rotation with the main shaft.Have that to make by the sieve thing be elevator, vibration is simultaneously with the function of soil block pulverizings again, so the seedling of peanut fruit can well be separated with soil, seedling has the bar of gathering in to draw close to embark on journey, and native the landing returns ground, really enters in the storage bin.

Prong formula harvester for peanut of the present utility model is that the agriculture utmost point waits to promote the use of ground machinery, only need be installed on the tractor with small four wheels of 12 horsepowers and get final product, and convenient disassembly, simple to operate, be that economy is practical again, it is also very reliable to work, and efficient per hour can be gathered in the crops 2 mu of percentages of damage less than 0.5%, and percent of loss is less than 2%.

Explain the utility model below in conjunction with accompanying drawing.

Fig. 1 is the main schematic diagram of looking in whole side of the utility model prong formula harvester for peanut.

Fig. 2 is the integral planar schematic top plan view of prong formula harvester for peanut.

Fig. 3 is the gearbox cross-sectional schematic of prong formula harvester for peanut.

Fig. 4 is the integral layout assembling sketch of prong formula harvester for peanut.

The main part of prong formula harvester for peanut shown in Fig. 1 .2---latch digger is fastened on the front end of frame (28) through sieve bolt with bearing block (2), the main shaft of latch digger (30) utilizes different angles tightly overlapping with key: input sprocket (1), excavate cam (33), lift cam (32) and belt pulley (31).Only waving crotch (5) is enclosed within on the latch digger main shaft (30) with the bearing element form, and the lower end of waving crotch (5) uses sieve pin device respectively: fixed muffle (6), dead lever (4) slip fork arm (10), spring (3), prong bar (8) and prong (9).Be connected with steel wire rope (11) it is connected in an end that promotes armed lever (29) by swinging to pulley (12) in the centre of dead lever (4), because promoting the other end of armed lever (29) touches mutually with rotating lift cam (32), so utilize gearbox (35) after chain (34) feeds running power to input sprocket (1), the result who produces is input sprocket (1), excavate cam (33), lift cam (32) and belt pulley (31) rotate with main shaft (30), and form and excavate cam (33) and periodically alternately acting of lift cam (32), can make two the slip fork arms (10) that wave crotch (5) lower end rely on the effect that is rotated in spring (3) contractility and roller (7) supporting force of two excavation cams (33) to drive prong (9) down and back and forth move up and down, excavate to underground.Can also make and wave crotch (5) through next ground of steel wire rope (11) transmission power, be that the garden heart swings back and forth with main shaft (30), correspondingly drives prong (9) and do the reciprocally swinging elevating movement again, thereby peanut seedling fruit and soil are transported on the lifting screener.

This lift-type screening washer, as shown in Figure 1, its main part is arranged on the rear end of frame (28), by input belt pulley (22), output belt pulley (24), about screen sprocket wheel (23) main shaft (21), pay axle (15) and pay sprocket wheel (a 14) chain (18) sieve sheet (17) hack cylinder (27), shedding storage bin (19) and draw bar (20) composition in.The main shaft of lifting screener (21) is fixed together through sieve bolt and frame (28) with rolling bearing pedestal, input belt pulley (22) output belt pulley (24) and about screen sprocket wheel (23) with the main shaft (21) that key tightly is enclosed within screening washer go up, after belt pulley (31) will turn round power feeding belt pulley (22), the result who produces is: they all rotate with main shaft (21), and two groups of chains (18) and sieve sheet (17) are paid under the effect of sprocket wheel (14) supporting force ground paying axle (15) about driving, and carry out reciprocal conveying type and turn round.By output belt pulley (24) belt pulley (26) of power feeding hack cylinder (27) being made hack cylinder (27) more simultaneously is garden heart rotation with main shaft (25), finishing peanut seedling fruit and soil is elevator, vibration again, simultaneously soil block is worked all to pieces, seedling is drawn close by gathering bar (20) and is embarked on journey, ground is returned in the soil landing, and fruit enters storage bin (19) lining.

As shown in Figure 1: frame (28) welding traction casing (36) foremost, can be connected in tractor with small four wheels, turn round and during the road walking, with tractor with small four wheels ground hydraulic lift, the prong formula harvester for peanut built on stilts of slinging.The lower end of frame (28) is with the fixing landing wheel (16) of adjustable sieve bolt, because land wheel (16) is covering in ground.Can regulate the excavating depth of prong (9) during farm work with it, in actual cut, prong formula harvester for peanut can not once all be gathered in the crops totally, at this moment has repicker (13) to pick up owing to what the leakage pick caused and loses seedling really, allows its seedling of losing fruit gather in the crops on the lifting screener once more.

Claims

1. one kind in the supporting prong formula harvester for peanut of tractor with small four wheels, it comprises frame (28) gearbox (35) latch digger, wave crotch (5) lifting screener and lift device (13) and tractor with small four wheels seven parts composition again, it is characterized in that latch digger has: main shaft (30) input sprocket (1) excavates cam (33) lift cam (32) belt pulley (31) steel wire rope (11) and promotes armed lever (29), one end of steel wire rope (11) is connected with an end that promotes armed lever (29), and the other end of steel wire rope (11) is connected through dead lever (4) and waves on the crotch (5).Input sprocket (1) excavates cam (33) lift cam (32) belt pulley (31) and utilizes different angles tightly to be enclosed within on the main shaft (30) by key respectively, only waving crotch (5) also is enclosed within on the latch digger main shaft (30) with the bearing element form, the bottom of waving crotch (5) installs respectively: fixed muffle (6), dead lever (4), slip fork arm (10), spring (3), prong bar (8) and prong (9), main shaft (30) rotates to make and excavates alternately acting of cam (33) lift cam (32) rotation, can make the slip fork arm (10) that waves end device under the crotch (5) rely on two rotations of excavating cam (33) back and forth to be displaced downwardly to prong (9) underground by force under the effect of spring (3) contractility and roller (7) supporting force.Can make again and wave crotch (5) under the connection of steel wire rope (11), through promoting the power that armed lever (29) transmission is come, making prong is the reciprocal vacillating and lifting of the garden heart with main shaft (3).

2. prong formula harvester for peanut according to claim 1 is characterized in that lifting screener has; Main shaft (21) input belt pulley (22), screen sprocket wheel (23) about output belt pulley (24) and pay axle (15) pair sprocket wheel (14), chain (18) sieve sheet (17) hack cylinder (27) shedding storage bin (19) and gathering bar (20), main feature is: main shaft (21) is fixed together through sieve bolt and frame (28) with rolling bearing pedestal, input belt pulley (22), output belt pulley (24) and about screen sprocket wheel (23) and tightly be enclosed within on the main shaft (21) of screening washer with key, main shaft (21) rotates they is rotated together, and two groups of chains (18) and sieve sheet (17) are done reciprocal conveying type under the effect that axle (15) pays sprocket wheel (14) supporting force and are turned round paying about driving, by output belt pulley (24) running power is fed hack cylinder (27) more simultaneously, making it is garden heart rotation with main shaft (25).