CN2686291Y - Crop rootstock or underground fruit harvester - Google Patents

Abstract

The utility model discloses a harvester for harvesting crop rootstocks or underground fruits, belonging to harvesting machines. The cutting element (9)of the harvester is positioned in front of a separating sieve (2); the working surface of the cutting element keeps a soil cutting operational angle with the horizontal plane, and the cutting edge arranged at the front edge of the cutting element is arranged in the horizontal plane. The harvester also comprises a flat plate, a curved surface, an elastic energy conversion part element (3), a long sieve hole and an adjustable four-bar mechanism. The front and back edges of the flat plate tilt backward with basic same direction; the curved surface changes slowly. The harvester makes the cutting soil layer distribute staggered at the longitudinal direction, which abates soil-blocking in operation, improves separating effect, stabilizes the mechanism load, lowers the operational difficulty of harvesters for harvesting underground fruit rootstocks and increases the operation quality and working efficiency of machines. With unique design, simple structure, easy manufacture, and convenient/reliable operation, the utility model can be applied to harvesting various fruit rootstocks positioned underground, such as patotoes, carrots, beets, peanuts, etc. as wellas harvesting traditional Chinese medicinal materials, such as dried rehmannia root, radix salvia miltiorrhiza, etc.

Description

Crop rhizome or underground fruit harvest machine

Technical field

The utility model belongs to crop harvesting machinery, relates generally to the architecture advances of the Working mechanism of harvesting crops under ground portion.

Background technology

Known fruit is positioned at underground or fruit is the reaping machine of root crop, can finish the results of some thes part of a crop which is beneath the ground, significantly alleviate harvest operation personnel's labour intensity, make its important component part that becomes harvest operation machinery, the market demand is very widely arranged.But because crop varieties differs, isolates relatively more abominable again and its difference of the operating environment of waiting to gather in the crops fruit and alters a great deal from soil, often influence the final effect of operation, make its application be subjected to more restriction.

Summary of the invention

The technical problems to be solved in the utility model is the organization plan that proposes that more excellent operation effectiveness is arranged, can effectively finish crop rhizome or underground fruit harvest machine.

The particular content of technical solutions of the utility model is, crop rhizome or underground fruit harvest machine comprise frame, the soil surface layer cutting part that links with frame, the bolter that links with frame and cutting part output, the transmission mechanism that links respectively with frame and bolter, with the support component that the frame activity links, the corresponding adjusting and the operating mechanism of each parts, and the parts that are connected and fixed of above-mentioned parts and mechanism.Wherein, described cutting part is positioned at before the bolter; The working surface of cutting part for horizontal plane keep soil cutting operation angle, its leading edge cutting edge in horizontal plane, front and rear edges recedes and direction keeps the flat board of basically identical or change slow curved surface.Like this, the trend and the direct of travel of the input and output of facility target are consistent, and make the mobile small range that is controlled in that is acted on soil layer; Cutting plate is tilting in the face of level, and the local soil top layer that favourable elevate a turnable ladder is cut is for subsequent job provides working space; The position of cutting edge and cutting part trailing edge, then make the instantaneous upper soll layer that is in the state of being cut, each section in the facility cross direction profiles, being positioned at different lengthwise position dislocation arranges, thereby help weakening or elementary solution removes the clamping action of this part soil both sides cross force, help weakening the phenomenon of being jammed of soil in the operation, improve condition of work with metasomite; These have all finally reduced the action intensity of results process to the farmland, have obviously reduced working resistance, and help keeping the land smoothing state of suitable follow-up farming; The technical problem that the utility model proposes is solved substantially.Transmission mechanism described in the utility model contains reciprocal drive disk assembly that links respectively with frame and bolter and the elastomeric element that links respectively with frame and reciprocal drive disk assembly.Like this, back and forth transmission can adapt to the job requirement of bolter, and corresponding elastomeric element can be used for bearing load fluctuation in the part reciprocating motion, alleviates its influence to facility and power, and realize the deposit of this portion of energy and discharge again, improve the condition of work of facility.

Transmission mechanism described in the utility model comprises adjustable four-bar mechanism that contains bolter and the crank connecting link that links with four-bar mechanism.This is suitable operation object, a kind of selection that realizes separation.

Sieve nest active section described in the utility model middle part sieve aperture is about and is more than 1/2 of sieve aperture section sieve nest length overall, reduces running resistance as far as possible under the reliable separation prerequisite, reduces the possibility that soil is jammed guaranteeing.

The utility model is through introducing vertical arrangement principle in reaping machine, comparatively mild soil dissection face, make to be cut soil horizon at the tilting cutting part that vertically is dislocatedly distributed, the elastic energy converting member in parallel in the reciprocal transmission mechanism is to the structure qualification of bolter and sieve aperture.Make that recurrent hilling phenomenon obviously weakens in the harvest operation, separating effect significantly improves, and the exercise load of mechanism's power end tends to be steady, and working resistance descends, and Working mechanism is all worked under more excellent state; Significantly reduce the task difficulty of the underground fruit harvest machinery of crop rhizome, effectively improved the operation quality and the operating efficiency of facility.This programme design is original, and structure is terse, and the production ratio is easier to, easy for operation reliable, and be applicable to multiple rhizome or underground fruit, as potato class, calabash radish, beet, peanut and other crops, and the results of traditional Chinese medicine such as dried rhizome of rehmannia, the red sage root, and be convenient to promote the use of.

Description of drawings

Accompanying drawing has provided the signal of the utility model example structure.

Fig. 1 is the structural representation of potato type harvesting machine;

Fig. 2 is the vertical view of Fig. 1.

Embodiment

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

Draw the connotation of numbering representative in the accompanying drawing: 1 frame, 2 bolters, 3 springs, 4 communtation deceleration devices, 5 adjustment holes, 6 land wheels, 7 colter leading edges, 8 colter trailing edges, 9 colters, 10 sieve apertures, 11 crank connecting links, 12 rocking arms

First embodiment is the potato type harvesting machine, can be used for as potato class, carrot, beet, peanut and other crops, and the results of traditional Chinese medicine such as dried rhizome of rehmannia, the red sage root, 240 * 120 * 120 centimetres of its overall dimensions, heavily about 300 kilograms, 50 horsepowers of mating power.See Fig. 1 and 2.

This example links with the place ahead tractor to hang frame 1, its power take-off links through universal joint and the communtation deceleration device 4 that is located on the frame, it is 35 millimeters crank 11 that the output of communtation deceleration device is equipped with radius, link through connecting rod 11 and rocking arm 12, the two ends of rocking arm link with frame 1 and bolter 2 respectively.Rocking arm articulates a little horizontally disposed along stands longitudinal before and after the bolter, front and back articulate 1100 millimeters of distances, forward and backward brachium is all 600 millimeters, the rear arm bar is provided with the adjustment hole 5 of adjustable coupled position, the interface of connecting rod and front arm is positioned at the long mid point of bar, the angle of front arm front position and vertical direction for backward 30 the degree, 1100 millimeters of compass screen surface syndeton lengths.The grid of bolter is all and sieves vertical stock of appearance etc., and the bar footpath press manipulating object with span and determined.The decelerator gearratio is 1 to 2, and the operating frequency of bolter is about 300 times/minute.Between frame and rocking arm, the long compression spring 3 of the basic vertical rocking lever of action direction is housed also simultaneously.At the front lower place of bolter adjacent, be provided with the colter 9 that fixedly links with frame.The colter working face is tilting parallelogram flat board, and its preceding lower edge is positioned at horizontal plane and keeps 75 angles of spending with direction of advance for having zigzag cutting edge 7, and colter plate face and horizontal plane keep the angles of 25 degree.Colter trailing edge 8 has and the consistent deflection of colter leading edge 7 directions, and is positioned at the relevant position of bolter inlet, and the hypotenuse consistent with the colter trailing edge also made by bolter entry edge portion.The frame rear lower is equipped with the land wheel 6 that is supported in the face of land.It more than is the description of this routine primary structure.

During use, the colter of advancing is under the effect of its lift angle, in direction of advance, along working width, lifting growth successively and remaining the soil of harvesting crops, and its relative frame is slided backward, up to breaking away from colter, entering the separation compass screen surface, finish separation by the bolter under driving at the tractor outputting power.The analog value of the swing of this routine bolter front portion after the component of vertical direction sieves is little, helps moving of anterior oversize and separating of rear portion oversize.Corresponding vertical oscillation component can provide suitable centrifugation.In the work, the spring 3 at front arm place is compressed when front arm and sieve nest travel forward, and stores corresponding energy, gives release when treating the sieve nest counter motion again, can weaken the influence of bolter live load fluctuation to power and facility duty.Compass screen surface does not have transverse bar member except that the frame of front and back, reduce and hang the chance of staying things such as straw, weeds, soil block.After the work, in the soil layer by harvested product and other parts, be retained in the initial position of direct of travel substantially with released state.This routine per tour workload is: potato more than 20 mu, 15 mu in Ipomoea batatas, the dried rhizome of rehmannia, the red sage root are more than 10 mu.Results dig out rate 〉=98%, damage ratio≤3%.It more than is the description of this routine groundwork situation.

Second embodiment is a wide cut potato type harvesting machine, and working width is 1.7 meters, and just colter and bolter are made the shape in the face of claiming along body longitudinal center, and all the other structures and working condition and last example are consistent substantially.

Claims (5)

1. crop rhizome or underground fruit harvest machine comprise frame, the soil surface layer cutting part that links with frame, the transmission mechanism that links respectively with frame and bolter, the support component that links with frame, the corresponding adjusting and the operating mechanism of each parts, and the parts that are connected and fixed of above-mentioned parts and mechanism; It is characterized in that: described cutting part is positioned at (9,2) before the bolter; The working surface of cutting part (9) is to keep soil cutting operation angle with horizontal plane, and its leading edge cutting edge is in horizontal plane, and front and rear edges recedes and direction keeps the flat board of basically identical or change slow curved surface.

2. reaping machine according to claim 1 is characterized in that: described transmission mechanism contain the reciprocal drive disk assembly (11,12) that links respectively with frame and bolter and with frame and the reciprocal elastomeric element (3) that links respectively of drive disk assembly.

3. reaping machine as claimed in claim 1 or 2, it is characterized in that: described transmission mechanism comprises adjustable four-bar mechanism (1,2,5,12) that contains bolter and the crank connecting link (11) that links with four-bar mechanism.

4. reaping machine as claimed in claim 1 or 2 is characterized in that: sieve aperture (10) hole, described sieve nest active section middle part is about and is sieve aperture section sieve nest length overall more than 1/2.

5. as reaping machine as described in the claim 3, it is characterized in that: sieve aperture (10) hole, described sieve nest active section middle part is about and is more than 1/2 of sieve aperture section sieve nest length overall.

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