CN209420387U - Adjustable threshing concave plate screen device and sheller unit - Google Patents
Adjustable threshing concave plate screen device and sheller unit Download PDFInfo
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- CN209420387U CN209420387U CN201822201186.3U CN201822201186U CN209420387U CN 209420387 U CN209420387 U CN 209420387U CN 201822201186 U CN201822201186 U CN 201822201186U CN 209420387 U CN209420387 U CN 209420387U
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Abstract
The utility model discloses a kind of adjustable threshing concave plate screen device and sheller units, are related to agricultural machinery technological field, and main purpose is to provide a kind of adjustable threshing concave plate screen device that can adjust the gap between threshing cylinder and concave grate in real time.A kind of main technical schemes of the utility model are as follows: adjustable threshing concave plate screen device, it include: gap-regulating portion, first track and the second track are respectively fixedly connected in fixed plate, first sliding sleeve is sleeved on the first track, second sliding sleeve is sleeved on the second track, one end of first sliding axle is connected to the first sliding sleeve, the other end passes through the first sliding eye, one end of second sliding axle is connected to the second sliding sleeve, and the other end passes through the second sliding eye and is connected to the gap adjustment bar of adjacent slide unit；The each sieve plate connecting rod in sieve plate portion is fixedly connected on multiple sieves, and each connecting rod passes through and is fixedly connected on the second connecting hole.The utility model is mainly used for crops threshing.
Description
Technical field
The utility model relates to agricultural machinery technological field more particularly to a kind of adjustable threshing concave plate screen device and take off
Grain device.
Background technique
Threshing course is the important component of agricultural harvesting machinery work, at present China's threshing mode in agricultural machinery
It mostly uses and cuts streaming threshing cylinder and axial-flow type threshing cylinder, the working principle of the two is identical, is all using concave grate and roller
Between relative motion to crops carry out rubbing, roll carry out threshing.And the device for being able to achieve this process be threshing cylinder and
Concave grate is rotated by threshing cylinder, and material is made to carry out rubbing between concave grate and roller and roll, so that it is de- to complete material
Grain process.
Gap between concave grate and threshing cylinder is one of important parameter of sheller unit, and gap is excessive, is led to not
Guarantee the threshing performance of crops；Gap is too small, and crops percentage of damage is caused to increase, and cleans work to subsequent and bring one
The difficulty in degree is determined, therefore, for each crops either for same crops because of region, planting patterns etc.
Factor causes crops of different sizes and should have unique cylinder-concave clearance.In addition to this, when a kind of crops are carrying out threshing
When, feed quantity is possible to change at any time, therefore, can control cylinder-concave clearance by the diameter of adjusting concave grate, realize nothing
Pole adjusts, constantly adjusts, and to improve the threshing effect of crops, reduce cost, while can also reduce the percentage of damage of material.
Existing concave grate is mainly the height of the spike-tooth connected on the motor adjustment main shaft for pass through voussoir, to change de-
Intergranular gap, the regulating mechanism are applied to axial-flow type threshing cylinder, and the shape that regulative mode needs to stop working in sheller unit
Shell is opened under state, is changed the voussoir position between main shaft and spike-tooth, and then adjust cylinder-concave clearance, is not only reduced sheller unit
Working efficiency, cylinder-concave clearance can not be also constantly adjusted, to improve the percentage of damage of material.
Utility model content
In view of this, the utility model embodiment provides a kind of adjustable threshing concave plate screen device and sheller unit, it is main
Syllabus is to provide a kind of adjustable threshing concave board sieve dress that can adjust the gap between threshing cylinder and concave grate in real time
It sets.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
On the one hand, the utility model embodiment provides a kind of adjustable threshing concave plate screen device, which includes:
Gap-regulating portion, the gap-regulating portion include fixed plate, multiple tracks and multiple slide units, multiple rails
Road includes the first track and the second track, and first track and second track are respectively fixedly connected in the fixed plate,
Each slide unit includes the first sliding sleeve, the second sliding sleeve, first sliding axle, second sliding axle and gap adjustment bar,
The gap adjustment bar has the first sliding eye, the second sliding eye, the first connecting hole and the second connecting hole, first sliding sleeve
It is sleeved on first track, second sliding sleeve is sleeved on second track, one end of the first sliding axle
It is connected to first sliding sleeve, the other end passes through first sliding eye, and one end of the second sliding axle is connected to described
Second sliding sleeve, the other end pass through second sliding eye and are connected to the gap adjustment of the adjacent slide unit
Bar, first connecting hole is for being rotatablely connected the fixed plate；
Sieve plate portion, the sieve plate portion include sieve plate connecting rod and multiple sieves, and each sieve plate connecting rod is fixedly connected
In multiple sieves, each connecting rod passes through and is fixedly connected on second connecting hole.
Further, the shape of each track is arc line shaped.
Further, one end of the gap adjustment bar, the first connecting hole setting is arranged in first sliding eye
In the other end of the gap adjustment bar, second connecting hole is arranged between first sliding eye and the second sliding eye.
Further, the gap-regulating portion further includes the first limit block and the second limit block, and first limited block is set
It sets in the described one end of first track far from the fixed plate, for limiting the sliding position of first sliding sleeve, described
The described one end of second track far from the fixed plate is arranged in two limited blocks, for limiting the sliding position of second sliding sleeve
It sets.
Further, there are multiple 4th connecting holes, each 4th connecting hole is fixedly connected in the fixed plate
Each track.
Further, the sieve plate portion further includes multiple connecting keys, and the connecting key is inserted into each described second and connects
Hole is connect, for fixing each sieve plate connecting rod.
Further, the sieve plate portion further includes multiple spacer blocks, and two adjacent institutes are arranged in each spacer block
It states between sieve, and covers in the sieve plate connecting rod, for fixing the sieve.
Further, each sieve includes connecting component and sieve plate, and one end of the connecting component is connected to described
Sieve plate connecting rod, the other end are connected to the sieve plate, wherein the sieve plate is arc-shaped.
On the other hand, the utility model embodiment additionally provides a kind of sheller unit, comprising:
Threshing cylinder and above-mentioned adjustable threshing concave plate screen device.
Compared with prior art, the utility model has the following technical effect that
In technical solution provided by the embodiment of the utility model, the effect of gap-regulating portion is to adjust multiple sieve plate connecting rods
Between gap, gap-regulating portion includes fixed plate, multiple tracks and multiple slide units, multiple tracks include the first track and
Second track, the first track and the second track are respectively fixedly connected in fixed plate, and each slide unit includes the first sliding sleeve, the
Two sliding sleeves, first sliding axle, second sliding axle and gap adjustment bar, gap adjustment bar have the first sliding eye, the second sliding
Hole, the first connecting hole and the second connecting hole, the first sliding sleeve are sleeved on the first track, and the second sliding sleeve is sleeved on the second track
On, one end of first sliding axle is connected to the first sliding sleeve, and the other end passes through the first sliding eye, and one end of second sliding axle connects
In the second sliding sleeve, the other end passes through the second sliding eye and is connected to the gap adjustment bar of adjacent slide unit, and first connects
Hole is connect for being rotatablely connected fixed plate；Sieve plate portion, sieve plate portion include sieve plate connecting rod and multiple sieves, and each sieve plate connecting rod is solid
Surely multiple sieves are connected to, each connecting rod passes through and be fixedly connected on the second connecting hole, when the first sliding sleeve is in the first track
When upper mobile, first sliding axle moves in the first sliding eye, and the second sliding sleeve moves on the second track, and second sliding axle exists
It is moved in second sliding eye, also, drives gap adjustment bar to connect around first by the displacement of first sliding axle and second sliding axle
The axis rotation in hole is connect, sieve plate connecting rod passes through and is fixedly connected on the second connecting hole, thus between making adjacent slide unit
Gap adjusting rod generates connected effect, rotates the gap adjustment bar of adjacent slide unit, the gap adjustment of multiple slide units
Bar forms polygon, as the distance between gap adjustment bar of adjacent slide unit increases or reduces, to make threshing
Gap between roller and sieve plate portion is able to carry out real-time adjusting, compared with the existing technology, passes through the motor adjustment main shaft of voussoir
The height of the spike-tooth of upper connection, to change cylinder-concave clearance, which is applied to axial-flow type threshing cylinder, and the side of adjusting
Formula needs open shell in the state that sheller unit stops working, and change the voussoir position between main shaft and spike-tooth, and then adjust
Cylinder-concave clearance is saved, the working efficiency of sheller unit is not only reduced, can not also constantly be adjusted cylinder-concave clearance, to improve
The percentage of damage of material, in the utility model embodiment, by gap-regulating portion to the gap between threshing cylinder and sieve plate portion into
Row is adjusted in real time, change original sheller unit there are the drawbacks of, so that multiple gap adjustment bars is formed multi links and imitate circular knitting machine structures, have
Effect solves the problems, such as that gap size when crops threshing reduces crops to reach the threshing performance for improving crops
Percentage of damage and percentage of impurity technical effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of adjustable threshing concave plate screen device provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of gap-regulating portion provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram in sieve plate portion provided by the embodiment of the utility model；
Fig. 4 is the enlarged structure schematic diagram in Fig. 3 at A.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figures 1 to 4, the utility model embodiment provides a kind of adjustable threshing concave plate screen device, the dress
It sets and includes:
Gap-regulating portion 1, gap-regulating portion 1 include fixed plate 11, multiple tracks and multiple slide units, multiple track packets
The first track 121 and the second track 122 are included, the first track 121 and the second track 122 are respectively fixedly connected in fixed plate 11, often
A slide unit includes the first sliding sleeve 131, the second sliding sleeve 132, first sliding axle 133, second sliding axle 134 and gap tune
There is the first sliding eye 1351, the second sliding eye 1352, the first connecting hole 1353 and second to connect for pole 135, gap adjustment bar 135
Hole 1354 is connect, the first sliding sleeve 131 is sleeved on the first track 121, and the second sliding sleeve 132 is sleeved on the second track 122, the
One end of one sliding axle 133 is connected to the first sliding sleeve 131, and the other end passes through the first sliding eye 1351, second sliding axle 134
One end is connected to the second sliding sleeve 132, and the other end passes through the second sliding eye 1352 and is connected between adjacent slide unit
Gap adjusting rod 135, the first connecting hole 1353 is for being rotatablely connected fixed plate 11；
Sieve plate portion 2, sieve plate portion 2 include sieve plate connecting rod 21 and multiple sieves 22, and each sieve plate connecting rod 21 is fixedly connected
In multiple sieves 22, each connecting rod passes through and is fixedly connected on the second connecting hole 1354.
In technical solution provided by the embodiment of the utility model, the effect of gap-regulating portion 1 is to adjust multiple sieve plate connections
Gap between bar 21, gap-regulating portion 1 include fixed plate 11, multiple tracks and multiple slide units, and multiple tracks include the
One track 121 and the second track 122, the first track 121 and the second track 122 are respectively fixedly connected in fixed plate 11, each cunning
Dynamic component includes the first sliding sleeve 131, the second sliding sleeve 132, first sliding axle 133, second sliding axle 134 and gap adjustment bar
135, gap adjustment bar 135 has the first sliding eye 1351, the second sliding eye 1352, the first connecting hole 1353 and the second connecting hole
1354, the first sliding sleeve 131 is sleeved on the first track 121, and the second sliding sleeve 132 is sleeved on the second track 122, and first is sliding
One end of moving axis 133 is connected to the first sliding sleeve 131, and the other end passes through the first sliding eye 1351, one end of second sliding axle 134
It is connected to the second sliding sleeve 132, the other end passes through the second sliding eye 1352 and is connected to the gap tune of adjacent slide unit
Pole 135, the first connecting hole 1353 is for being rotatablely connected fixed plate 11；Sieve plate portion 2, sieve plate portion 2 include 21 He of sieve plate connecting rod
Multiple sieves 22, each sieve plate connecting rod 21 are fixedly connected on multiple sieves 22, and each connecting rod passes through and is fixedly connected on
Two connecting holes 1354, when the first sliding sleeve 131 moves on the first track 121, first sliding axle 133 is in the first sliding eye
It is moved in 1351, the second sliding sleeve 132 moves on the second track 122, and second sliding axle 134 is moved in the second sliding eye 1352
It is dynamic, also, drive gap adjustment bar 135 around the first connecting hole by the displacement of first sliding axle 133 and second sliding axle 134
1353 axis rotation, sieve plate connecting rod 21 passes through and is fixedly connected on the second connecting hole 1354, to make adjacent sliding part
The gap adjustment bar 135 of part generates connected effect, rotates the gap adjustment bar 135 of adjacent slide unit, multiple sliding parts
The gap adjustment bar 135 of part forms polygon, increase with the distance between gap adjustment bar 135 of adjacent slide unit or
Person reduces, so that the gap between threshing cylinder and sieve plate portion 2 be made to be able to carry out real-time adjusting, compared with the existing technology, passes through
The height of the spike-tooth connected on the motor adjustment main shaft of voussoir, to change cylinder-concave clearance, which is applied to axial-flow type
Threshing cylinder, and regulative mode needs open shell in the state that sheller unit stops working, change main shaft and spike-tooth it
Between voussoir position, and then adjust cylinder-concave clearance, not only reduce the working efficiency of sheller unit, can not also constantly be adjusted
Cylinder-concave clearance, so that the percentage of damage of material is improved, in the utility model embodiment, by gap-regulating portion 1 to threshing cylinder
Gap between sieve plate portion 2 is adjusted in real time, change original sheller unit there are the drawbacks of, make multiple gap adjustment bars
135, which form multi links, imitates circular knitting machine structures, gap size problem when effective solution crops threshing, to reach raising agriculture
The threshing performance of crop reduces the percentage of damage of crops and the technical effect of percentage of impurity.
The effect of above-mentioned gap-regulating portion 1 is the gap adjusted between multiple sieve plate connecting rods 21, and gap-regulating portion 1 includes
Fixed plate 11, multiple tracks and multiple slide units, multiple tracks include the first track 121 and the second track 122, the first track
121 and second track 122 be respectively fixedly connected in fixed plate 11, each slide unit includes the sliding of the first sliding sleeve 131, second
Set 132, first sliding axle 133, second sliding axle 134 and gap adjustment bar 135, gap adjustment bar 135 have the first sliding eye
1351, the second sliding eye 1352, the first connecting hole 1353 and the second connecting hole 1354, the first sliding sleeve 131 are sleeved on the first rail
On road 121, the second sliding sleeve 132 is sleeved on the second track 122, and one end of first sliding axle 133 is connected to the first sliding sleeve
131, the other end passes through the first sliding eye 1351, and one end of second sliding axle 134 is connected to the second sliding sleeve 132, and the other end is worn
It crosses the second sliding eye 1352 and is connected to the gap adjustment bar 135 of adjacent slide unit, the first connecting hole 1353 is for turning
Dynamic to be connected and fixed plate 11, there are two the usually tools of gap-regulating portion 1, is separately positioned on the two sides in sieve plate portion 2, and be mirror settings
In the two sides in sieve plate portion 2, each gap adjustment bar 135 can be connected with two sliding axles, that is to say, that first sliding axle 133
The first sliding eye 1351 and the second sliding eye 1352 of first gap adjustment bar 135 can be inserted into respectively with second sliding axle 134,
Also, second sliding axle 134 can also be inserted into first sliding eye 1351 of second gap adjustment bar 135, and so on, track
Quantity is identical as the quantity of sliding sleeve, that is to say, that the corresponding sliding sleeve of a track, and the quantity of gap adjustment bar 135
One fewer than the quantity of track, the first connecting hole 1353 of gap adjustment bar 135 is connected with fixed plate 11, due to gap adjustment
Bar 135 can rotate, and therefore, gap adjustment bar 135 can be rotated around the axis of the first connecting hole 1353, gap adjustment bar 135
It can be attached by way of pin shaft or others between fixed plate 11, as long as gap adjustment bar 135 can be made around
The axis of one connecting hole 1353 rotates；The effect in sieve plate portion 2 is that crops are carried out with threshing processing, and sieve plate portion 2 includes sieve
Plate connecting rod 21 and multiple sieves 22, each sieve plate connecting rod 21 are fixedly connected on multiple sieves 22, each sieve plate connecting rod 21
The second connecting hole 1354 is passed through and is fixedly connected on, sieve plate portion 2 is made of multiple sieve plate connecting rods 21 and multiple sieves 22, and one
Multiple sieve plates are set in sieve plate connecting rod 21, also, each sieve 22 is perpendicular to sieve plate connecting rod 21, two adjacent sieve plates
Between have interval, can be inserted into the sieve plate in adjacent sieve plate connecting rod 21 in interval；In the utility model embodiment, lead to
It crosses gap-regulating portion 1 to adjust the gap between threshing cylinder and sieve plate portion 2 in real time, changes original sheller unit and exist
The drawbacks of, so that multiple gap adjustment bars 135 is formed multi links and imitate circular knitting machine structures, gap when effective solution crops threshing is big
Minor issue reduces the percentage of damage of crops and the technical effect of percentage of impurity to reach the threshing performance for improving crops.
Further, as depicted in figs. 1 and 2, the shape of each track is arc line shaped.In the present embodiment, further limit
The shape of track, first connecting hole 1353 due to gap adjustment bar 135 for being connected and fixed plate 11, each gap
Adjusting rod 135 can be rotated around the axis of the first connecting hole 1353, also, each gap adjustment bar 135 can be slided with two
Axis is connected, that is to say, that first sliding axle 133 and second sliding axle 134 can be inserted into first gap adjustment bar 135 respectively
First sliding eye 1351 and the second sliding eye 1352, second sliding axle 134 can also be inserted into the first of second gap adjustment bar 135
Sliding eye 1351, and so on, so that multiple gap adjustment bars 135 is joined together to form the part-structure of a regular polygon,
Multiple gap adjustment bars 135 join end to end, it will the shape of a regular polygon is formed, and the track of track determines each
The position of gap adjusting rod 135, track are arc line shaped, and the center of circle of track is the axle center of the first connecting hole 1353, in the present embodiment, are led to
The shape for limiting track is crossed, to further reach the skill adjusted in real time to the gap between threshing cylinder and sieve plate portion 2
Art effect.
Further, as shown in Fig. 2, one end of gap adjustment bar 135, the first connecting hole is arranged in the first sliding eye 1351
1353 are arranged in the other end of gap adjustment bar 135, and the setting of the second connecting hole 1354 is in the first sliding eye 1351 and the second sliding
Between hole 1352.In the present embodiment, gap adjustment bar 135 is further defined, it is sliding that first is respectively provided on gap adjustment bar 135
Dynamic hole 1351, the second sliding eye 1352, the first connecting hole 1353 and the second connecting hole 1354, the first sliding eye 1351 and second are sliding
Dynamic hole 1352 is respectively used to across first sliding axle 133 and second sliding axle 134, first sliding axle 133 and second sliding axle 134
It can not only be rotated in the first sliding eye 1351 and the second sliding eye 1352, simultaneously, additionally it is possible in the first sliding eye
1351 and second are moved in sliding eye 1352, and the effect of the first connecting hole 1353 is to rotate gap adjustment bar 135, fixed
By the way that bolt or other connectors are passed through the first connecting hole 1353 between plate 11 and gap adjustment bar 135, make gap tune
Pole 135 can be rotated around the axle center of the first connecting hole 1353, meanwhile, the effect of the second connecting hole 1354 is connection and consolidates
Determine sieve plate connecting rod 21, sieve plate connecting rod 21 passes through the second connecting hole 1354, and is fixed on gap adjustment bar 135, passes through
The rotation of gap adjustment bar 135 drives multiple sieve plate connecting rods 21 to be moved, and adjusts each sieve plate connecting rod 21 to reach
The distance between technical effect.
Further, gap-regulating portion 1 further includes the first limit block and the second limit block, and the first limited block is arranged first
The one end of track 121 far from fixed plate 11, for limiting the sliding position of the first sliding sleeve 131, the setting of the second limited block is the
Two one end of track 122 far from fixed plate 11, for limiting the sliding position of the second sliding sleeve 132.In the present embodiment, further
Define gap-regulating portion 1, the effect of the first limit block and the second limit block is the first sliding sleeve 131 of limitation and the second sliding sleeve
132 shift position, since the first sliding sleeve 131 can be slided on the first track 121, one end of the first track 121
It is fixedly connected on fixed plate 11, therefore, first limited block is set in the other end of the first track 121, can effectively prevent the
One sliding sleeve 131 is mutually disengaged with the first track 121, thus reach the technical effect of the position of the first sliding sleeve 131 of limitation, the
The effect of two limited blocks is identical as the effect of the first limited block, it is therefore an objective to which the position for limiting the second sliding sleeve 132 repeats no more.
Further, there are multiple 4th connecting holes, each 4th connecting hole is fixedly connected on each rail in fixed plate 11
Road.In the present embodiment, fixed plate 11 is further defined, the effect of multiple 4th connecting holes is trapped orbit, each track
Can be fixed in fixed plate 11, therefore, the position of track and fixed plate 11 be it is relatively-stationary, when gap adjustment bar 135 is around
When the axis rotation of one connecting hole 1353, the first sliding sleeve 131 can be slided on the first track 121, and pass through first
Sliding eye 1351 is modified the position of first sliding axle 133 and the first sliding sleeve 131, locates the first sliding sleeve 131 always
In on the first track 121, meanwhile, the first track 121 also limits the rotational angle of gap adjustment bar 135, makes gap adjustment bar
135 are rotated in the range of the first track 121 limits, to reach the skill of the rotational angle of control gap adjusting rod 135
Art effect；Multiple tracks are identical with the motion mode of multiple slide units, repeat no more.
Further, as shown in figure 4, sieve plate portion 2 further includes multiple connecting keys 24, connecting key 24 is inserted into each second
Connecting hole 1354, for fixing each sieve plate connecting rod 21.In the present embodiment, sieve plate portion 2 is further defined, since sieve plate connects
Extension bar 21 passes through and is fixedly connected on the second connecting hole 1354, also, gap adjustment bar 135 will drive sieve plate connecting rod 21 into
Row movement, therefore, between regulating member and gap adjustment bar 135 must using be fixedly connected or dismountable connection type into
Row connection is connected to reach the technical effect of fixed screen deck connecting rod 21 by being inserted into the position of the second connecting hole 1354
Key 24 makes sieve plate connecting rod 21 be removably connected to the second connecting hole 1354, and sieve plate connecting rod 21 can be fixed,
Make to drive sieve plate connecting rod 21 mobile toward and away from the direction of fixed plate 11 during gap adjustment bar 135 is mobile, from
And reach the technical effect of sieve plate connecting rod 21 easy to disassemble.
Further, as shown in Figure 3 and Figure 4, sieve plate portion 2 further includes multiple spacer blocks 23, and each setting of spacer block 23 exists
It between two adjacent sieves 22, and covers in sieve plate connecting rod 21, for fixing sieve 22.In the present embodiment, further
Define sieve plate portion 2, the effect of spacer block 23 is fixed sieve 22, since sieve 22 is perpendicular to sieve plate connecting rod 21, sieve 22
Shaking can be generated in sieve plate connecting rod 21, therefore, the setting spacer block 23 between two adjacent sieves 22,23 sets of spacer block
In sieve plate connecting rod 21, to reach the technical effect of fixed sieve 22.
Further, each sieve 22 includes connecting component and sieve plate, and one end of connecting component is connected to sieve plate connecting rod
21, the other end is connected to sieve plate, wherein sieve plate is arc-shaped.In the present embodiment, sieve 22, connecting component are further defined
Effect be connection sieve plate and sieve plate connecting rod 21, sieve plate is arc-shaped, it is therefore an objective to make entire adjustable threshing concave board sieve dress
It sets to form circle, to be applicable in and threshing cylinder, the sieve 22 in different sieve plate connecting rods 21 intersects setting, makes adjacent
Sieve 22 in two sieve plate connecting rods 21 forms camber line, and the sieve 22 in multiple adjacent sieve plate connecting rods 21 intersects,
The threshing concave board sieve for forming cylindrical shape, so that reaching keeps adjustable threshing concave plate screen device and threshing cylinder mutually matched
Technical effect.
On the other hand, the utility model embodiment additionally provides a kind of sheller unit, comprising: threshing cylinder and it is above-mentioned can
Adjustable type threshing concave plate screen device, wherein crops are placed between threshing cylinder and adjustable threshing concave plate screen device, lead to
The mode crossing rubbing and rolling carries out threshing, and the effect of gap-regulating portion 1 is the gap adjusted between multiple sieve plate connecting rods 21,
Gap-regulating portion 1 includes fixed plate 11, multiple tracks and multiple slide units, and multiple tracks 12 include the first track 121 and the
Two tracks 122, the first track 121 and the second track 122 are respectively fixedly connected in fixed plate 11, and each slide unit includes first
Sliding sleeve 131, the second sliding sleeve 132, first sliding axle 133, second sliding axle 134 and gap adjustment bar 135, gap adjustment bar
135 have the first sliding eye 1351, the second sliding eye 1352, the first connecting hole 1353 and the second connecting hole 1354, the first sliding
Set 131 is sleeved on the first track 121, and the second sliding sleeve 132 is sleeved on the second track 122, one end of first sliding axle 133
It is connected to the first sliding sleeve 131, the other end passes through the first sliding eye 1351, and it is sliding that one end of second sliding axle 134 is connected to second
Dynamic set 132, the other end pass through the second sliding eye 1352 and are connected to the gap adjustment bar 135 of adjacent slide unit, and first
Connecting hole 1353 is for being rotatablely connected fixed plate 11；The effect in sieve plate portion 23 is to carry out threshing processing, sieve plate portion 23 to crops
Including sieve plate connecting rod 21 and multiple sieves 22, each sieve plate connecting rod 21 is fixedly connected on multiple sieves 22, and each sieve plate connects
Extension bar 21 passes through and is fixedly connected on the second connecting hole 1354, when the first sliding sleeve 131 moves on the first track 121, the
One sliding axle 133 moves in the first sliding eye 1351, and the second sliding sleeve 132 moves on the second track 122, second sliding axle
134 move in the second sliding eye 1352, also, drive gap by the displacement of first sliding axle 133 and second sliding axle 134
Adjusting rod 135 is rotated around the axis of the first connecting hole 1353, and sieve plate connecting rod 21 passes through and is fixedly connected on the second connecting hole
1354, so that the gap adjustment bar 135 of adjacent slide unit be made to generate connected effect, make the gap tune of adjacent slide unit
Pole 135 rotates, and the gap adjustment bar 135 of multiple slide units forms polygon, with the gap tune of adjacent slide unit
The distance between pole 135 increases or reduces, so that the gap between threshing cylinder and sieve plate portion 23 be made to be able to carry out in real time
It adjusts, compared with the existing technology, by the height of the spike-tooth connected on the motor adjustment main shaft of voussoir, thus between changing threshing
Gap, which is applied to axial-flow type threshing cylinder, and regulative mode needs in the state that sheller unit stops working
Shell is opened, changes the voussoir position between main shaft and spike-tooth, and then adjust cylinder-concave clearance, not only reduces the work of sheller unit
Make efficiency, can not also constantly be adjusted cylinder-concave clearance, so that the percentage of damage of material is improved, in the utility model embodiment,
The gap between threshing cylinder and sieve plate portion 23 is adjusted in real time by gap-regulating portion 1, changes original sheller unit
There are the drawbacks of, so that multiple gap adjustment bars 135 is formed multi links and imitate circular knitting machine structures, when effective solution crops threshing between
Gap size issue reduces the percentage of damage of crops and the technical effect of percentage of impurity to reach the threshing performance for improving crops.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (9)
1. a kind of adjustable threshing concave plate screen device characterized by comprising
Gap-regulating portion, the gap-regulating portion include fixed plate, multiple tracks and multiple slide units, multiple track packets
The first track and the second track are included, first track and second track are respectively fixedly connected in the fixed plate, each
The slide unit includes the first sliding sleeve, the second sliding sleeve, first sliding axle, second sliding axle and gap adjustment bar, described
Gap adjustment bar has the first sliding eye, the second sliding eye, the first connecting hole and the second connecting hole, the first sliding sleeve suit
On first track, second sliding sleeve is sleeved on second track, one end connection of the first sliding axle
In first sliding sleeve, the other end passes through first sliding eye, and one end of the second sliding axle is connected to described second
Sliding sleeve, the other end pass through second sliding eye and are connected to the gap adjustment bar of the adjacent slide unit,
First connecting hole is for being rotatablely connected the fixed plate；
Sieve plate portion, the sieve plate portion include sieve plate connecting rod and multiple sieves, and each sieve plate connecting rod is fixedly connected on more
A sieve, each connecting rod pass through and are fixedly connected on second connecting hole.
2. adjustable threshing concave plate screen device according to claim 1, which is characterized in that
The shape of each track is arc line shaped.
3. adjustable threshing concave plate screen device according to claim 2, which is characterized in that
One end of the gap adjustment bar is arranged in first sliding eye, and first connecting hole is arranged in the gap adjustment
The other end of bar, second connecting hole are arranged between first sliding eye and the second sliding eye.
4. adjustable threshing concave plate screen device according to claim 2, which is characterized in that
The gap-regulating portion further includes the first limit block and the second limit block, and first limited block is arranged in first rail
The one end of road far from the fixed plate, for limiting the sliding position of first sliding sleeve, the second limited block setting exists
The described one end of second track far from the fixed plate, for limiting the sliding position of second sliding sleeve.
5. adjustable threshing concave plate screen device according to any one of claims 1 to 4, which is characterized in that
There are multiple 4th connecting holes, each 4th connecting hole is fixedly connected on each track in the fixed plate.
6. adjustable threshing concave plate screen device according to any one of claims 1 to 4, which is characterized in that
The sieve plate portion further includes multiple connecting keys, and the connecting key is inserted into each second connecting hole, for fixing
Each sieve plate connecting rod.
7. adjustable threshing concave plate screen device according to any one of claims 1 to 4, which is characterized in that
The sieve plate portion further includes multiple spacer blocks, and each spacer block is arranged between two adjacent sieves, and
And cover in the sieve plate connecting rod, for fixing the sieve.
8. adjustable threshing concave plate screen device according to claim 7, which is characterized in that
Each sieve includes connecting component and sieve plate, and one end of the connecting component is connected to the sieve plate connecting rod, separately
One end is connected to the sieve plate, wherein the sieve plate is arc-shaped.
9. a kind of sheller unit characterized by comprising
Threshing cylinder and adjustable threshing concave plate screen device as described in any one of claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822201186.3U CN209420387U (en) | 2018-12-26 | 2018-12-26 | Adjustable threshing concave plate screen device and sheller unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822201186.3U CN209420387U (en) | 2018-12-26 | 2018-12-26 | Adjustable threshing concave plate screen device and sheller unit |
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| CN209420387U true CN209420387U (en) | 2019-09-24 |
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| CN201822201186.3U Expired - Fee Related CN209420387U (en) | 2018-12-26 | 2018-12-26 | Adjustable threshing concave plate screen device and sheller unit |
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| CN (1) | CN209420387U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820012A (en) * | 2020-07-21 | 2020-10-27 | 河南科技大学 | Flexible concave sieve with rotatable threshing unit |
| CN112369214A (en) * | 2020-10-15 | 2021-02-19 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
| CN112889490A (en) * | 2021-04-12 | 2021-06-04 | 安徽科技学院 | Corn threshing device gap adjusting control method |
| WO2022142003A1 (en) * | 2020-12-30 | 2022-07-07 | 江苏沃得农业机械股份有限公司 | Composite adjustment structure and combine harvester |
-
2018
- 2018-12-26 CN CN201822201186.3U patent/CN209420387U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820012A (en) * | 2020-07-21 | 2020-10-27 | 河南科技大学 | Flexible concave sieve with rotatable threshing unit |
| CN112369214A (en) * | 2020-10-15 | 2021-02-19 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
| CN112369214B (en) * | 2020-10-15 | 2021-11-23 | 江苏大学 | Rotatable anti-blocking concave plate sieve with grid bars |
| WO2022142003A1 (en) * | 2020-12-30 | 2022-07-07 | 江苏沃得农业机械股份有限公司 | Composite adjustment structure and combine harvester |
| CN112889490A (en) * | 2021-04-12 | 2021-06-04 | 安徽科技学院 | Corn threshing device gap adjusting control method |
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Granted publication date: 20190924 Termination date: 20211226 |