Straw picking device for returning machine

Abstract

The utility model provides a straw pick-up device for a returning machine, which comprises a connecting frame, a power transmission mechanism, a pick-up shell, a first cross beam, a second cross beam, a pick-up roller, a support roller and a material guide roller, the top of the pick-up shell is fixed by the first cross beam, the front end of the pick-up shell is fixed by the second cross beam, and the connecting frame is connected to the first cross beam and the second cross beam; the picking roller is mounted below the picking shell, and a plurality of picking claws are arranged on the picking roller; the supporting roller is located below the rear portion of the picking roller and used for being supported to roll on the ground. The material guide roller is located above the rear portion of the supporting roller, spiral blades are arranged at the two ends of the material guide roller, and an overturning blade is arranged in the middle of the material guide roller. According to the straw pick-up device for the returning machine, straw is picked up through the pick-up roller and then conveyed backwards to the material guide roller, then the straw is gathered and output towards the middle through the material guide roller, and therefore the smashing device can smash the straw in a centralized mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a field machine technical field especially is related to a kind of straw pickup device for field machine. BACKGROUND

[0002] Field machine is the corn straw that is pulverized and is mixed into the soil in field, the main purpose of using field machine is to avoid air pollution caused by burning.But the main direct pulverization that the existing field machine adopts, and the effect of pulverization cannot be said very good.If the straw fiber particle after pulverization is too large, it is not only hindered that water is descended and evaporated, causes plant root system water shortage, and due to its own size is larger, also affect microorganism on decomposition, even in the decomposition process, due to the particle is too large and leads to fermentation too concentrated, it will affect the growth of crop root system, serious will cause plant root system flora imbalance and make crop wilt.So the control of field machine for the particle size of straw after pulverization is extremely important.

[0003] The structure of the existing direct pulverization field machine cannot meet the requirement of small particle.If want to obtain better particle, the main structure of field machine currently adopted is that after pickup, straw is concentrated to be pulverized, then is handled again, due to straw concentration, so that particle is more concentrated in the process of pulverization and is contacted with pulverizing knife, and the effect of pulverization is better.However, how to concentrate after straw pickup so that pulverizing knife can concentrate pulverization is a difficult problem faced by the field technology, and it is also a technical problem to be solved by the utility model. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the embodiment of the utility model is to provide a kind of straw pickup device for field machine, solve the problem that the straw pickup is gathered after being picked up in prior art, so that the pulverizing device can concentrate the pulverization of straw.

[0005] In order to solve the above technical problem, the utility model provides a kind of straw pickup device for field machine, including connecting frame, power transmission mechanism, pickup shell, first crossbeam, second crossbeam, pickup roller, support roller and material guide roller,

[0006] The top of the pickup shell is fixed by the first crossbeam, the front end of the pickup shell is fixed by the second crossbeam, and the connecting frame is connected on the first crossbeam and the second crossbeam;Pickup roller is installed below pickup shell, and a plurality of pickup claws are provided on pickup roller;The support roller is located below the rear of pickup roller, and is used to support and roll on the ground;The material guide roller is located above the rear of support roller, and the both ends of material guide roller are spiral blades, the middle part of material guide roller is turnover blade, and a plurality of perforated partitions are provided on the outer side of spiral blade, which surrounds the rear, lower part and upper part of spiral blade, and the discharge port is formed between two perforated partitions.

[0007] The two or three turnover blades are uniformly arranged around the circumference of the guide roller; the turnover blades are in the shape of a Chinese character and have jagged edges.

[0008] The two spiral blades are oppositely arranged and have opposite rotation directions.

[0009] The picking claw comprises a base and a claw head, and the claw head and the base are fixedly connected through a fixing shaft.

[0010] The power transmission mechanism comprises a first speed reducer, a first transmission shaft and a first belt pulley, the first speed reducer drives the first belt pulley through the first transmission shaft, the first belt pulley drives the picking roller through a belt, and the other end of the picking roller drives the guide roller through a belt.

[0011] The first cross beam, the second cross beam and the support roller are configured to form a triangle and enclose the picking roller.

[0012] A third cross beam is further arranged between the support roller and the guide roller, the third cross beam is connected with a discharge plate, and the discharge plate is arranged below the guide roller.

[0013] The connecting frame comprises a support frame connected with the second cross beam and a first traction frame connected with the first cross beam, and the first traction frame and the support frame are connected to form a triangle.

[0014] The support frame is trapezoidal, and a second traction frame connected with the support frame is further arranged on the second cross beam, and the second traction frame has two.

[0015] The first speed reducer of the power transmission mechanism is arranged in the middle of the support frame.

[0016] The straw picking device for the field returning machine provided by the utility model can pick up the straw through the picking roller, then convey the straw to the guide roller, and then concentrate and output the straw through the guide roller, so that the crushing device can concentrate and crush the straw. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of the straw picking device is shown in the embodiment of the utility model.

[0018] Figure 2 The structure diagram of the straw picking device is shown in the embodiment of the utility model.

[0019] Figure 3 The structure diagram of the straw picking device is shown in the embodiment of the utility model.

[0020] Figure 4 The structure diagram of the straw picking device is shown in the embodiment of the utility model.

[0021] Figure 5 The structure schematic view of the straw picking device is shown in the embodiment of the utility model.

[0022] Figure 6 The sectional view schematic view of the straw picking device is shown in the embodiment of the utility model.

[0023] Figure 7 The sectional view schematic view of the straw picking device is shown in the embodiment of the utility model.

[0024] Figure 8 The sectional view schematic view of the straw picking device is shown in the embodiment of the utility model.

[0025] Figure 9 The structure schematic view of the picking claw is shown in the embodiment of the utility model.

[0026] In the drawing: 1 connecting frame, 2 power transmission mechanism, 3 picking shell, 4 first cross beam, 5 second cross beam, 6 picking roller, 7 supporting roller, 8 material guiding roller, 9 third cross beam, 10 multi-hole partition plate, 10a discharging plate, 11 first traction frame, 12 second traction frame, 13 supporting frame, 21 first speed reducer, 22 first transmission shaft, 23 first belt pulley, 61 picking claw, 62 base, 63 claw head, 81 spiral blade, 82 turnover blade. DETAILED DESCRIPTION

[0027] In order to make the above objectives, features and advantages of the utility model more apparent and comprehensible, the specific implementation manners of the utility model will be described in detail below with reference to the drawings. In the following description, a lot of specific details are set forth in order to give a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific implementation examples disclosed below.

[0028] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] like Figures 1-9 As shown, this utility model provides a straw picking device for a straw returning machine, including a connecting frame 1, a power transmission mechanism 2, a picking housing 3, a first crossbeam 4, a second crossbeam 5, a picking roller 6, a support roller 7, and a guide roller 8. The connecting frame 1 mainly serves a connecting function, connecting to the traction vehicle; the power transmission mechanism 2 mainly receives power from the traction vehicle and transmits it to the picking roller 7 and the guide roller 8; the first crossbeam 4 and the second crossbeam 5 provide fixed support for the picking housing 3, and simultaneously fix the picking roller 6, support roller 7, and guide roller 8 through the panels at both ends. The picking housing 3 forms a curved shape with a downward-facing overlay design, capable of accommodating the picking roller 6 and guiding the straw picked up by the picking roller 6 backward. A downward opening is formed between the picking housing 3 and the picking roller 6. The inlet is used to pick up straw and transport it upwards and backwards along the inner wall of the picking shell 3; the support roller 7 is used to support the entire straw picking device; the second crossbeam 5 is located at the front end of the entire straw picking device and is also used to push down vertical, unfallen straw; the guide roller 8 is used to gather the straw from both ends to the middle and output it, forming a concentrated output effect; the porous partition 10 is provided with several through holes, which is used to filter out soil particles, stones, etc. carried on the straw; the discharge plate 10a is used to provide support during the backward output of the gathered straw; there is also a long strip gap between the third crossbeam at the front end of the discharge plate 10a and the support roller 7, the width of which is much larger than the diameter of the through holes on the porous partition 10, which is used to filter out large particles, bricks, stones, etc., and prevent these impurities from entering the discharge plate 10a.

[0031] The top of the pickup housing 3 is fixed by the first crossbeam 4, and the front end of the pickup housing 3 is fixed by the second crossbeam 5. The connecting frame 1 is connected to the first crossbeam 4 and the second crossbeam 5. The pickup roller 6 is installed below the pickup housing 3, and the pickup roller 6 is provided with a plurality of pickup claws 61. The support roller 7 is located below and behind the pickup roller 6 and is used to support it to roll on the ground. The guide roller 8 is located above and behind the support roller 7. The two ends of the guide roller 8 are spiral blades 81, the middle part of the guide roller 8 is a flipping blade 82, and a porous partition 10 is provided on the outside of the spiral blades 81, surrounding the rear, lower and upper parts of the spiral blades 81. A discharge port is formed between the two porous partitions 10.

[0032] The first cross beam 4, the second cross beam 5 and the third cross beam 9 mentioned below are all in square steel structure, and alternatively, pipe steel or angle steel structure can be selected.

[0033] The overturning blades 82 are two or three and are uniformly arranged around the circumference of the guide roller 7; the overturning blades 81 are in the shape of a Chinese character and the edges are sawtooth-shaped. The overturning blades 82 are in integral structure and are connected to the guide roller 7 by welding.

[0034] The two spiral blades 81 are oppositely arranged and have opposite rotation directions. Through the spiral blades 81 with opposite rotation directions, the straw at both ends can be gathered to the middle and output. The spiral blades and the porous partition plate form the functions of a screw conveyor and a filter, so that the straw is filtered and gathered to the middle outlet.

[0035] The picking claw 61 comprises a base 62 and a claw head 63, and the claw head 63 and the base 62 are fixedly connected through a fixing shaft. The base 62 is usually connected to the picking roller 6 by welding, and the base 62 adopts two support structures, each of which is in a special shape with a reinforcing function. The two support structures form an axle hole in the middle for mounting the fixing shaft, and the claw head 63 is fixedly connected to the base 62 through the fixing shaft, so that the installation direction of the claw head 63 can be adjusted. Each claw head 63 has a plurality of claw teeth, forming a hand grabbing shape, so that the straw can be picked up.

[0036] The power transmission mechanism 2 comprises a first speed reducer 21, a first transmission shaft 22 and a first belt pulley 23. The first speed reducer 21 drives the first belt pulley 23 through the first transmission shaft 22. The first belt pulley 23 drives the picking roller 6 through a belt. The other end of the picking roller 6 drives the guide roller 8 through a belt.

[0037] The first cross beam 4, the second cross beam 5 and the support roller 7 form a triangle and surround the picking roller 6.

[0038] The straw picking device further comprises a third cross beam 9 located between the support roller 7 and the guide roller 8. The third cross beam 9 is connected with the discharge plate 10a, and the discharge plate 10a is located below the guide roller 8 (not directly below, but obliquely below).

[0039] The connecting frame comprises a support frame connected to the second cross beam and a first traction frame 11 connected to the first cross beam 4. The first traction frame 11 and the support frame 13 are connected to form a triangle.

[0040] The support frame 13 is trapezoidal, and a second traction frame 12 connected with the support frame 13 is further arranged on the second cross beam 5. The second traction frame 12 has two.

[0041] The first speed reducer of the power transmission mechanism is located in the middle of the support frame to better receive power transmitted from a towing vehicle.

[0042] The straw picking device for the field leveling machine is capable of collecting and crushing the straw by the crushing device.

[0043] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0044] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, however, it should not be understood as the limitation of the scope of the present application. It should be pointed out that, for the ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A straw pickup device for a field chopper, comprising a connecting frame, a power transmission mechanism, a pickup housing, a first crossbeam, a second crossbeam, a pickup roller, a supporting roller and a material guiding roller, characterized in that the top of the pickup housing is fixed by the first crossbeam, the front end of the pickup housing is fixed by the second crossbeam, the connecting frame is connected to the first crossbeam and the second crossbeam; the pickup roller is installed below the pickup housing, and a plurality of pickup claws are arranged on the pickup roller; the supporting roller is located below and behind the pickup roller and is used to roll on the ground; the material guiding roller is located above and behind the supporting roller, the two ends of the material guiding roller are spiral blades, the middle part of the material guiding roller is a turnover blade, and a plurality of perforated partitions are arranged on the outer side of the spiral blades to surround the rear, lower and upper parts of the spiral blades, and the two perforated partitions form a discharge port. The turnover blade is two or three and is uniformly arranged around the circumference of the material guiding roller; the turnover blade is in the shape of a Chinese character and the edge is serrated.

2. The straw pickup device according to claim 1, characterized in that The two spiral blades are oppositely arranged and have opposite rotation directions.

3. The straw pickup device of claim 1, wherein, The pickup claw comprises a base and a claw head, and the claw head and the base are fixedly connected by a fixed shaft.

4. The straw pickup device of claim 1, wherein, The power transmission mechanism comprises a first speed reducer, a first transmission shaft and a first belt pulley, the first speed reducer drives the first belt pulley through the first transmission shaft, the first belt pulley drives the pickup roller through a belt, and the other end of the pickup roller drives the material guiding roller through a belt.

5. The straw pickup device of claim 1, wherein, The first crossbeam, the second crossbeam and the supporting roller form a triangle and surround the pickup roller.

6. The straw pickup device of claim 1, wherein, A third crossbeam is located between the supporting roller and the material guiding roller, the third crossbeam is connected to a discharge plate, and the discharge plate is located below the material guiding roller.

7. The straw pickup device of claim 5, wherein, The connecting frame comprises a supporting frame connected to the second crossbeam and a first traction frame connected to the first crossbeam, and the first traction frame and the supporting frame form a triangle.

8. The straw pickup device of claim 1, wherein, The supporting frame is trapezoidal, and a second traction frame connected to the supporting frame is further arranged on the second crossbeam, and the second traction frame has two.

9. The straw pickup device of claim 8, wherein, The first speed reducer of the power transmission mechanism is located in the middle of the supporting frame.

10. The straw pickup device of claim 9, wherein, 2. The straw pickup device according to claim 1, characterized in that the turnover blade is two, and the two turnover blades are oppositely arranged and have opposite rotation directions.

3. The straw pickup device according to claim 1, characterized in that the turnover blade is three, and the three turnover blades are oppositely arranged and have opposite rotation directions.

4. The straw pickup device according to claim 1, characterized in that the turnover blade is in the shape of a Chinese character and the edge is serrated.

5. The straw pickup device according to claim 1, characterized in that the pickup claw comprises a base and a claw head, and the claw head and the base are fixedly connected by a fixed shaft.

6. The straw pickup device according to claim 1, characterized in that the power transmission mechanism comprises a first speed reducer, a first transmission shaft and a first belt pulley, the first speed reducer drives the first belt pulley through the first transmission shaft, the first belt pulley drives the pickup roller through a belt, and the other end of the pickup roller drives the material guiding roller through a belt.

7. The straw pickup device according to claim 1, characterized in that the first crossbeam, the second crossbeam and the supporting roller form a triangle and surround the pickup roller.

8. The straw pickup device according to claim 1, characterized in that a third crossbeam is located between the supporting roller and the material guiding roller, the third crossbeam is connected to a discharge plate, and the discharge plate is located below the material guiding roller.

9. The straw pickup device according to claim 1, characterized in that the connecting frame comprises a supporting frame connected to the second crossbeam and a first traction frame connected to the first crossbeam, and the first traction frame and the supporting frame form a triangle.

10. The straw pickup device according to claim 1, characterized in that the supporting frame is trapezoidal, and a second traction frame connected to the supporting frame is further arranged on the second crossbeam, and the second traction frame has two.

11. The straw pickup device according to claim 1, characterized in that the first speed reducer of the power transmission mechanism is located in the middle of the supporting frame.

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