CN212013650U

CN212013650U - Small-size threshing and separating device suitable for hilly and mountainous area rice oil

Info

Publication number: CN212013650U
Application number: CN202020201189.1U
Authority: CN
Inventors: 李耀明; 熊伟琪
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-11-27
Anticipated expiration: 2030-02-24

Abstract

The utility model provides a small threshing and separating device suitable for rice oil in hilly and mountainous areas, which comprises an open type roller, a top cover positioned above the open type roller and a grid type concave plate sieve positioned below the open type roller; open cylinder includes drum shaft, feeding head, a plurality of ratch and a plurality of width of cloth dish, and feeding head and a plurality of width of cloth dish are installed on the drum shaft by preceding to back in proper order along crop feeding direction, are equipped with a plurality of rings of regulation holes on the width of cloth dish, and the ratch passes through the regulation hole to be installed on the width of cloth dish, and a plurality of ratches use the axis of drum shaft to be central along circumferencial direction evenly distributed, are equipped with a plurality of line pole board tooth groups and spike tooth group along crop feeding direction on the ratch in proper order, the utility model discloses can be applicable to the separation of threshing of hilly mountain area rape and rice, it is little to have the loss rate of threshing, advantage.

Description

Small-size threshing and separating device suitable for hilly and mountainous area rice oil

Technical Field

The utility model relates to a combine technical field especially relates to a small-size threshing and separating device suitable for hilly and mountainous area rice oil.

Background

Most of hilly and mountainous areas are rice oil, and the combined harvester has the following problems: firstly, as most of the rice is early rice, the rice quality is loose, the connection force of grains is small, the pressure resistance is poor, the threshing damage is large during harvesting, and the crushing rate is high; secondly, because the rape plants are large in size and have more branches, the maturity consistency is poor, the loss rate is high during harvesting, and cleaning is difficult.

The rice and rape harvest seasonality is strong, the labor intensity of manual operation is high, the efficiency is low, the harvest loss is large, and the rice and rape harvest time is much. The mechanized harvesting of the oil rice, especially the combined harvesting technology is always the main research content of the mechanization of the production of the rice oil and the grain crops, and the comprehensive and thorough realization of the combined harvesting of the rice and the rape is the key link for realizing the agricultural mechanization and even the agricultural modernization process in the southern rice oil main production area.

Most of the traditional threshing and separating devices of the combine harvester are spike-tooth type threshing cylinders, so that the threshing damage to rice is large, the crushing rate is high, and the difficulty of cleaning is increased due to the fact that stalks are hit and over crushed; the water conservancy diversion strip angle of top cap can't be adjusted, can't adjust water conservancy diversion strip angle according to the maturity that the material is different, leads to the results loss great. Therefore, in order to improve the efficiency of the combine harvester for harvesting rice and rape in hilly and mountainous areas in China, improve threshing performance, reduce seed loss rate and breakage rate and reduce cleaning load, a small threshing and separating device suitable for the rice and the rape in the hilly and mountainous areas is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

Exist not enoughly among the prior art, the utility model provides a small-size threshing separation device suitable for hills mountain area rice oil can be applicable to the threshing separation of hills mountain area rape and rice, and it is little to have a threshing loss rate, and the advantage that the clean rate is high can improve the work efficiency when hills mountain area rape and rice results, reduces the consumption.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

A small-sized threshing and separating device suitable for rice oil in hilly and mountainous areas comprises an open type roller, a top cover positioned above the open type roller and a grid type concave plate sieve positioned below the open type roller;

the open type roller comprises a roller shaft, a feeding head, a plurality of toothed bars and a plurality of breadth plates, wherein the feeding head and the breadth plates are sequentially installed on the roller shaft from front to back along the feeding direction of crops, a plurality of rings of adjusting holes are formed in the breadth plates, the toothed bars are installed on the breadth plates through the adjusting holes, the toothed bars are evenly distributed along the circumferential direction by taking the axis of the roller shaft as the center, and a plurality of corrugated bar plate tooth groups and nail tooth groups are sequentially arranged on the toothed bars along the feeding direction of the crops.

Preferably, the top cap includes the top cap casing and is located the water conservancy diversion strip angle adjustment mechanism of top cap casing, water conservancy diversion strip angle adjustment mechanism includes connecting strip, a plurality of water conservancy diversion strip and a plurality of clamp plate, the connecting strip is through a plurality of the clamp plate install in top cap casing is inboard, just axial displacement can be followed to the connecting strip, and is a plurality of the water conservancy diversion strip is parallel to each other, the one end of water conservancy diversion strip with top cap casing is articulated, the other end with the connecting strip is articulated.

Preferably, the diversion strip angle adjustment mechanism further comprises an adjusting handle, and the adjusting handle is connected with one end of the connecting strip and used for moving the connecting strip.

Preferably, the top cover shell comprises a shell plate, a front grass turning plate and a secondary input channel, the secondary input channel is located in the front middle of the top cover shell, and the front grass turning plate is installed at the foremost end of the inner side of the top cover shell and inclines for a certain angle with the upper surface of the top cover shell.

Preferably, the guide strips are inclined at a certain angle with the drum shaft.

Preferably, the feeding head is provided with helical blades, and the helical blades are distributed in a double-head helical manner.

Preferably, all the line rod plate tooth groups are distributed in a double-head spiral mode, and all the nail teeth in the nail tooth groups are distributed in a double-head spiral mode.

Preferably, the threaded rod and plate tooth group comprises a threaded rod seat, a threaded plate and plate teeth, the threaded plate is installed on the threaded rod through the threaded rod seat and the plate teeth, and the threads of the threaded plate and the axis of the threaded rod form a certain inclination angle.

The utility model has the advantages that:

1. the utility model discloses an open cylinder has the function of feeding, thresh, separation, adopts rasp bar board tooth group to thresh, reduces the seed grain percentage of damage, adopts the spike-tooth separation, has promoted the separation function under the prerequisite of guaranteeing original function of threshing, has improved the clean rate of seed grain, has reduced the seed grain loss rate, consequently, the utility model discloses a threshing and separating device is applicable to hilly mountain area early season rice and rape, and the stem stalk of getting rid of is more whole, has reduced the consumption, has alleviateed the load of cleaning.

2. The utility model discloses be equipped with a plurality of rings of regulation holes on the well width of cloth dish to change the distance between ratch and the drum shaft, thereby change the clearance between cylinder and the grid-type concave sieve, improve the separation efficiency of threshing, reduce seed grain loss rate and percentage of damage.

3. The utility model discloses the top cap is equipped with water conservancy diversion strip angle adjustment mechanism, can change water conservancy diversion strip angle according to the different maturity of material, changes the flow of material in the threshing chamber, improves the performance of threshing separation.

Drawings

FIG. 1 is a schematic structural view of a small-sized threshing and separating device for rice oil in hilly and mountainous areas according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of a top cover according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a top cover according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an open drum according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a rack bar according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a grid-type concave plate screen according to an embodiment of the present invention.

Reference numerals:

1-a top cover; 101-a guide strip; 102-a platen; 103-a connecting strip; 104-a housing plate; 105-a front grass turning plate; 106-secondary input channel; 107-adjusting handle;

2-an open drum; 201-toothed bar; 2011-engaging lugs; 2012-reinforcing bars; 2013-spike teeth; 2014-bracket; 2015-rasp bar seat; 2016-circuit board; 2017-plate teeth; 202-drum shaft; 203-width disc; 204-helical blades; 205-a feed head;

3-grid type concave plate sieve

4-a frame.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following description specifically describes a small-sized threshing and separating device suitable for rice oil in hilly and mountainous areas according to an embodiment of the present invention with reference to the accompanying drawings.

Referring to fig. 1 to 6, a small-sized threshing and separating device for rice oil in hilly and mountainous areas according to an embodiment of the present invention includes an open roller 2, a top cover 1 located above the open roller 2, and a grid-type concave sieve 3 located below the open roller 2.

Specifically, as shown in fig. 4, the open drum 2 includes a drum shaft 202, a feeding head 205, a plurality of toothed bars 201 and a plurality of web discs 203, and preferably, there are four web discs 203 and six toothed bars 201 in the present embodiment. The feeding head 205 and the four discs 203 are sequentially arranged on the roller shaft 202 from front to back along the feeding direction of crops, the feeding head 205 is provided with the helical blades 204, and further, the helical blades 204 are spirally distributed on the feeding head 205 in a double-head manner. All ratchets 201 use the axis of drum shaft 202 as the center along circumferencial direction evenly distributed, be equipped with the regulation hole that two rings are used for installing ratchets 201 on the width of cloth dish 203, it has four supports 2014 to distribute on the ratchets 201, four supports 2014 and four width of cloth dish 203 one-to-ones, the support includes engaging lug 2011 and strengthening rib 2012, support 2014 passes through the bolt and is connected with the regulation hole on the width of cloth dish 203, two rings of regulation hole on the width of cloth dish 203, can be according to the needs of different operating modes, change the clearance between open cylinder 2 and the grid type concave plate sieve 3, the separation efficiency of threshing is improved, seed grain loss rate and percentage are reduced.

As shown in fig. 5, a plurality of line bar plate tooth groups and nail tooth groups are sequentially arranged on the toothed bar 201 along the feeding direction of crops, the line bar plate tooth groups are spirally distributed at double ends, and all the nail tooth groups are spirally distributed at double ends. Including being located cord pole seat 2015, line board 2016 and board tooth 2017, line board 2016 is installed on toothed bar 201 through cord pole seat 2015 and board tooth 2017, and the line of line board 2016 and the axis of toothed bar 201 become certain angle of inclination. One section of the open type roller 2 corresponding to the gear group of the threaded rod plate is a threshing section, and one section corresponding to the gear group of the nail is a separation section.

The top cover 1 comprises a top cover shell and a flow guide strip angle adjusting mechanism positioned in the top cover shell, the top cover shell comprises a shell plate 104, a front weed turning plate 105 and a secondary input channel 106, the secondary input channel 106 is positioned in the front middle of the top cover shell, the front weed turning plate 105 is installed at the foremost end of the inner side of the top cover shell, inclines at a certain angle with the upper surface of the top cover shell and is matched with the helical blades 204, and the feeding efficiency of rice and rape is improved.

The guide strip angle adjusting mechanism comprises a connecting strip 103, a plurality of guide strips 101, a plurality of pressing plates 102 and an adjusting handle 107, the connecting strip 103 is installed on the inner side of the top cover shell through the pressing plates 102, the connecting strip 103 can move along the axial direction, the guide strips 101 are parallel to each other, one ends of the guide strips 101 are hinged to the top cover shell, the other ends of the guide strips 101 are hinged to the connecting strip 103, and the guide strips 101 and the drum shaft 202 are inclined at a certain angle. The adjusting handle 107 is connected with one end of the connecting bar 103 and used for moving the connecting bar 103, so that the inclination angle between the guide bar 101 and the roller shaft 202 is changed, the flow of materials in the threshing chamber is changed, and the threshing and separating performance is improved.

Referring to fig. 6, the grid-type concave sieve 3 according to the embodiment of the present invention is installed on the square steel of the left and right beams of the frame 4, below the open drum 2, and is adapted to the open drum 2, and a threshing chamber is formed between the top cover 1 and the grid-type concave sieve 3.

According to the utility model discloses a small-size threshing and separating device's working process suitable for hills mountain area rice oil:

the open type roller 2 is started, the movement of the spiral blade 204 on the feeding head 205 is utilized, materials enter a threshing process, under the combined action of the rasp bar plate tooth group and the grid type concave plate sieve 3, grains and part of sundries enter a cleaning chamber through sieve holes of the grid type concave plate sieve 3, stalks and part of grains enter a separation process, threshing and separating are carried out again through the striking action of the spike teeth 2013 and the grid type concave plate sieve 3, the separated grains enter the cleaning chamber through the sieve holes of the grid type concave plate sieve 3, and the sundry stalks are discharged out of the machine body. The amplitude disc 203 is distributed with inner and outer adjusting holes, the mounting position of the upper bracket 2014 of each tooth bar 201 on the amplitude disc 203 is adjusted, the gap between the open type roller 2 and the grid type concave plate sieve 3 can be changed, the threshing separation efficiency is improved, and the seed loss rate and the crushing rate are reduced. If the maturity of crops is inconsistent, the adjusting handle 107 can be rotated to drive the connecting bar 103 to move, so that the guide bars 101 are driven to change the angle between the guide bars 101 and the roller shaft 202, the flow of materials in the threshing chamber is changed, and the threshing and separating performance is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. A small-sized threshing and separating device suitable for rice oil in hilly and mountainous areas is characterized by comprising an open type roller (2), a top cover (1) positioned above the open type roller (2) and a grid type concave plate sieve (3) positioned below the open type roller (2);

open cylinder (2) include drum shaft (202), feeding head (205), a plurality of ratch (201) and a plurality of width of cloth dish (203), feeding head (205) and a plurality of width of cloth dish (203) are installed in proper order from front to back along crop feeding direction on drum shaft (202), be equipped with a plurality of rings of regulation holes on width of cloth dish (203), ratch (201) pass through the regulation hole install in on width of cloth dish (203), and a plurality of ratch (201) with the axis of drum shaft (202) is central along circumferencial direction evenly distributed, last a plurality of line pole board tooth group and the nail tooth group of being equipped with in proper order of crop feeding direction of ratch (201).

2. The small-sized threshing and separating device suitable for rice oil in hilly and mountainous areas as claimed in claim 1, wherein the top cover (1) comprises a top cover shell and a guide strip angle adjusting mechanism located in the top cover shell, the guide strip angle adjusting mechanism comprises a connecting strip (103), a plurality of guide strips (101) and a plurality of pressing plates (102), the connecting strip (103) is installed inside the top cover shell through a plurality of pressing plates (102), the connecting strip (103) can move along an axial direction, a plurality of guide strips (101) are parallel to each other, one end of each guide strip (101) is hinged to the top cover shell, and the other end of each guide strip is hinged to the connecting strip (103).

3. The small-sized threshing and separating device for rice oil in hilly and mountainous areas as claimed in claim 2, wherein the airflow guiding strip angle adjusting mechanism further comprises an adjusting handle (107), and the adjusting handle (107) is connected with one end of the connecting strip (103) for moving the connecting strip (103).

4. The small threshing and separating device for rice in hilly and mountainous areas of claim 2, characterized in that the top cover housing comprises a housing plate (104), a front grass turning plate (105) and a secondary inlet channel (106), the secondary inlet channel (106) is located in the front middle of the top cover housing, the front grass turning plate (105) is installed at the most front end inside the top cover housing and is inclined at an angle with the upper surface of the top cover housing.

5. The small-sized threshing and separating device for rice oil in hilly and mountainous areas as claimed in claim 2, wherein the guide bars (101) are inclined at a certain angle to the drum shaft (202).

6. The small-sized threshing and separating device for rice oil in hilly and mountainous areas as claimed in claim 1, wherein the feeding head (205) is provided with a helical blade (204), and the helical blade (204) is distributed in a double-head helical manner.

7. The small threshing and separating device for rice oil in hilly and mountainous areas of claim 1, wherein all the rack-and-board tooth groups are arranged in a double-head spiral manner, and the spike teeth in all the spike tooth groups are arranged in a double-head spiral manner.

8. The small threshing and separating device for rice oil in hilly and mountainous areas of claim 1, characterized in that the set of the ridge bar plate teeth includes a ridge bar seat (2015), a ridge bar (2016) and a plate tooth (2017), the ridge bar (2016) is mounted on the tooth bar (201) through the ridge bar seat (2015) and the plate tooth (2017), and the ridge of the ridge bar (2016) is inclined to the axis of the tooth bar (201).