CN111480460A - Straw screening installation - Google Patents
Straw screening installation Download PDFInfo
- Publication number
- CN111480460A CN111480460A CN202010319342.5A CN202010319342A CN111480460A CN 111480460 A CN111480460 A CN 111480460A CN 202010319342 A CN202010319342 A CN 202010319342A CN 111480460 A CN111480460 A CN 111480460A
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- Prior art keywords
- fixedly connected
- box body
- bearing
- roller
- bevel gear
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F7/00—Threshing apparatus
- A01F7/02—Threshing apparatus with rotating tools
- A01F7/06—Threshing apparatus with rotating tools with axles in line with the feeding direction ; Axial threshing machines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/46—Mechanical grain conveyors
Abstract
The invention belongs to the technical field of straw screening, and particularly relates to straw screening equipment which aims at solving the problems that grains on straws need to be removed before the existing straws are utilized, but the straws are directly crushed by common threshing, and other utilization of the straws is difficult. The grain on the straws can be thrown off, the limiting ring sliding on the box body can drive the material screening rod to continuously shake up and down under the pushing of the first connecting rod, the grains are shaken off, and the straws and the grains are further conveniently separated.
Description
Technical Field
The invention relates to the technical field of straw screening, in particular to straw screening equipment.
Background
The straw is also called as straw, and refers to the stem and leaf part of the rice, wheat, corn and other gramineous crops left after mature threshing, wherein the straw of the rice is often called as straw, and the straw of the wheat is called as wheat straw.
Grain on the straws needs to be removed before the existing straws are utilized, but the straws are directly crushed by a common threshing machine, so that other utilization of the straws is difficult.
Disclosure of Invention
The invention aims to solve the defects that grains on straws need to be removed before the existing straws are utilized, but the straws are directly crushed by a common threshing machine and are difficult to be utilized in other ways, and provides straw screening equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a straw screening device comprises a box body, wherein a motor box is fixedly connected to the top of the box body, a first motor is fixedly connected in the motor box, one end of a first rolling shaft is fixedly connected to an output shaft of the first motor, the other end of the first rolling shaft extends into the box body, two feed inlets are formed in the top of the box body and are respectively positioned on two sides of the motor box, a feed pipe is fixedly connected to the inner wall of the bottom of each feed inlet, a cylinder is fixedly connected to the bottom of the feed pipe, a thread is fixedly sleeved on the first rolling shaft positioned in the cylinder, a first bearing is fixedly sleeved on the first rolling shaft extending to the lower side of the cylinder, one end of a first locating rod is fixedly connected to each of two sides of the first bearing, the other end of the first locating rod is fixedly connected to the inner wall of the box body, a limiting ring is slidably sleeved on the inner wall of the box body, the fixed cover in bottom of first roller bearing is equipped with first bevel gear, and the both sides of first bevel gear all mesh and are provided with second bevel gear, the one end of one side fixedly connected with second roller bearing of second bevel gear, the other end fixedly connected with carousel of second roller bearing, the elliptical trough has been seted up to one side of carousel, and sliding connection has the one end of first connecting rod in the elliptical trough, and the other end fixed connection of first connecting rod is on the inner wall of spacing ring.
Preferably, the two ends of the second roller are fixedly sleeved with second bearings, the top of each second bearing is fixedly connected with one end of a second positioning rod, and the other end of each second positioning rod is fixedly connected to the corresponding first positioning rod.
Preferably, a slide bar is connected in the box body in a sliding manner, two ends of the slide bar extend out of the box body and are fixedly connected with a baffle plate, a cross beam is fixedly connected to the bottom of the slide bar in the box body, and three hook rods are fixedly connected to the bottom of the cross beam.
Preferably, equal first discharging pipe of fixedly connected with on the both sides inner wall of box, first discharging pipe is located the below of slide bar, and fixedly connected with filter screen on the inner wall of the box that is located first discharging pipe below, the hooked bar cooperatees with the filter screen.
Preferably, the bottom fixedly connected with second discharging pipe of box, the bottom fixedly connected with conveying pipeline of second discharging pipe, the conveying pipeline internal rotation is connected with the screw rod, the inner wall of screw rod and conveying pipeline closely laminates, and the one end of screw rod extends to outside the conveying pipeline and fixedly connected with second motor, and second motor fixed connection is on ground.
Preferably, a screw rod positioned outside the material conveying pipe is fixedly sleeved with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, and the top of the fourth bevel gear is fixedly connected with a third rolling shaft.
Preferably, the top end of the third roller is fixedly connected with one end of a rocker, the other end of the rocker is fixedly connected with a first hinge element, and one end of a second connecting rod is rotatably connected to the first hinge element.
Preferably, the other end of the second connecting rod is rotatably connected with a second hinge, and the second hinge is fixedly connected to the bottom of one baffle.
Preferably, a third bearing is fixedly sleeved at the bottom of the third rolling shaft, one side of the third bearing is fixedly connected with one end of a third positioning rod, and the other end of the third positioning rod is fixedly connected with one side of the second discharging pipe.
Preferably, a fourth bearing is fixedly sleeved at the top of the third rolling shaft, one side of the fourth bearing is fixedly connected with one end of a fourth positioning rod, and the other end of the fourth positioning rod is fixedly connected to one side of the box body.
Compared with the prior art, the invention has the advantages that:
1. according to the straw separating device, the first motor can be started firstly, the straws can be rotated at a high speed through the threads on the first rolling shaft, so that grains on the straws are thrown off, the material screening rod can be driven by the limiting ring sliding on the box body to continuously shake up and down under the pushing of the first connecting rod, the grains are shaken off, and the straws and the grains are conveniently separated.
2. According to the straw pushing and conveying device, the screw rotates to convey grains in the conveying pipe, the fourth bevel gear and the third rolling shaft can be rotated through the third bevel gear, when a rocker on the third rolling shaft rotates, the sliding rod can be pushed through the second connecting rod to continuously slide back and forth, and then the straws are pushed into the first discharge hole through the cross beam and the hook rod at the bottom of the sliding rod, so that the recycling is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a side view section of a straw screening apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a top view section of a box body of the straw screening apparatus according to the present invention;
FIG. 3 is a schematic structural view of part A in FIG. 2 of a straw screening apparatus according to the present invention;
FIG. 4 is a schematic structural view of part B of the straw screening apparatus shown in FIG. 1 according to the present invention;
FIG. 5 is a schematic structural view of a portion C in FIG. 1 of the straw screening apparatus according to the present invention.
In the figure: 1 box body, 2 motor box, 3 first motor, 4 first roller, 5 feed inlet, 6 feed pipe, 7 cylinder, 8 screw thread, 9 first bearing, 10 first locating rod, 11 spacing ring, 12 sieve material rod, 13 first bevel gear, 14 second bevel gear, 15 second roller, 16 turntable, 17 elliptical groove, 18 first connecting rod, 19 second bearing, 20 second locating rod, 21 sliding rod, 22 baffle, 23 crossbeam, 24 hook bar, 25 first discharging pipe, 26 filter screen, 27 second discharging pipe, 28 feed conveying pipe, 29 screw rod, 30 second motor, 31 third bevel gear, 32 fourth bevel gear, 33 third roller, 34 rocker, 35 first articulation piece, 36 second connecting rod, 37 second articulation piece, 38 third bearing, 39 third locating rod, 40 fourth bearing, 41 fourth locating rod.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-5, a straw screening device comprises a box body 1, a motor box 2 is fixedly connected to the top of the box body 1, a first motor 3 is fixedly connected to the inside of the motor box 2, one end of a first roller 4 is fixedly connected to an output shaft of the first motor 3, the other end of the first roller 4 extends into the box body 1, two feed inlets 5 are formed in the top of the box body 1, the two feed inlets 5 are respectively located on two sides of the motor box 2, a feed pipe 6 is fixedly connected to the inner wall of the bottom of the feed inlet 5, a cylinder 7 is fixedly connected to the bottom of the feed pipe 6, a screw thread 8 is fixedly sleeved on the first roller 4 located in the cylinder 7, a first bearing 9 is fixedly sleeved on the first roller 4 extending below the cylinder 7, one end of a first positioning rod 10 is fixedly connected to two sides of the first bearing 9, and the other end of the first positioning rod 10 is, the cover that slides on the inner wall of box 1 is equipped with spacing ring 11, sieve material stick 12 that a plurality of slopes of fixedly connected with set up on the inner wall of spacing ring 11, the fixed cover in bottom of first roller bearing 4 is equipped with first bevel gear 13, the equal meshing of both sides of first bevel gear 13 is provided with second bevel gear 14, one side fixedly connected with second roller bearing 15's of second bevel gear 14 one end, second roller bearing 15's other end fixedly connected with carousel 16, elliptical trough 17 has been seted up to one side of carousel 16, sliding connection has the one end of first connecting rod 18 in the elliptical trough 17, the other end fixed connection of first connecting rod 18 is on the inner wall of spacing ring 11, through setting up sieve material stick 12, can shake off the cereal in the straw.
In this embodiment, the two ends of the second roller 15 are both fixedly sleeved with the second bearing 19, the top of the second bearing 19 is fixedly connected with one end of the second positioning rod 20, the other end of the second positioning rod 20 is fixedly connected to the first positioning rod 10, and the second roller 15 is conveniently fixed by arranging the second bearing 19 and the second positioning rod 20.
In this embodiment, a sliding rod 21 is slidably connected in the box body 1, two ends of the sliding rod 21 both extend out of the box body 1 and are fixedly connected with a baffle 22, a cross beam 23 is fixedly connected to the bottom of the sliding rod 21 positioned in the box body 1, three hook bars 24 are fixedly connected to the bottom of the cross beam 23, and the straw can be pushed to first discharge pipes 25 on two sides of the box body 1 by arranging the hook bars 24.
In this embodiment, the first discharging pipes 25 are fixedly connected to the inner walls of the two sides of the box body 1, the first discharging pipes 25 are located below the sliding rods 21, the filter screens 26 are fixedly connected to the inner walls of the box body 1 below the first discharging pipes 25, the hook rods 24 are matched with the filter screens 26, and the straws can be prevented from falling into the second discharging pipes 27 by arranging the filter screens 26.
In this embodiment, the bottom of the box body 1 is fixedly connected with a second discharging pipe 27, the bottom of the second discharging pipe 27 is fixedly connected with a material conveying pipe 28, a screw 29 is rotatably connected in the material conveying pipe 28, the screw 29 is tightly attached to the inner wall of the material conveying pipe 28, one end of the screw 29 extends out of the material conveying pipe 28 and is fixedly connected with a second motor 30, the second motor 30 is fixedly connected to the ground, and the screw 29 can be rotated by arranging the second motor 30.
In this embodiment, a screw 29 located outside the feeding pipe 28 is fixedly sleeved with a third bevel gear 31, the third bevel gear 31 is engaged with a fourth bevel gear 32, a third roller 33 is fixedly connected to the top of the fourth bevel gear 32, and the fourth bevel gear 32 and the third roller 33 can be rotated through the third bevel gear 31.
In this embodiment, the top end of the third roller 33 is fixedly connected with one end of a rocker 34, the other end of the rocker 34 is fixedly connected with a first hinge 35, the first hinge 35 is rotatably connected with one end of a second connecting rod 36, and the rocker 34 can push the second connecting rod 36 to move back and forth repeatedly.
In this embodiment, the other end of the second link 36 is rotatably connected to a second hinge 37, the second hinge 37 is fixedly connected to the bottom of one of the shutters 22, and the second hinge 37 is arranged to push the shutters 22 to move back and forth.
In this embodiment, the bottom of the third roller 33 is fixedly sleeved with the third bearing 38, one side of the third bearing 38 is fixedly connected with one end of the third positioning rod 39, the other end of the third positioning rod 39 is fixedly connected to one side of the second discharging pipe 27, and the third roller 33 is conveniently fixed by arranging the third bearing 38 and the third positioning rod 39.
In this embodiment, the top of the third roller 33 is fixedly sleeved with the fourth bearing 40, one side of the fourth bearing 40 is fixedly connected with one end of the fourth positioning rod 41, the other end of the fourth positioning rod 41 is fixedly connected to one side of the box body 1, and the third roller 33 is conveniently fixed by arranging the fourth bearing 40 and the fourth positioning rod 41.
Example two
Referring to fig. 1-5, a straw screening device comprises a box body 1, a motor box 2 is fixedly welded on the top of the box body 1, a first motor 3 is fixedly connected in the motor box 2 through screws, one end of a first roller 4 is fixedly welded on an output shaft of the first motor 3, the other end of the first roller 4 extends into the box body 1, two feed inlets 5 are arranged on the top of the box body 1, the two feed inlets 5 are respectively positioned on two sides of the motor box 2, a feed pipe 6 is fixedly welded on the inner wall of the bottom of the feed inlet 5, a cylinder 7 is fixedly welded on the bottom of the feed pipe 6, a screw thread 8 is fixedly sleeved on the first roller 4 positioned in the cylinder 7, a first bearing 9 is fixedly sleeved on the first roller 4 extending below the cylinder 7, one end of a first positioning rod 10 is fixedly welded on two sides of the first bearing 9, the other end of the first positioning rod 10 is fixedly welded on the, the slip cover is equipped with spacing ring 11 on the inner wall of box 1, fixed welding has the sieve material stick 12 that a plurality of slopes set up on the inner wall of spacing ring 11, the fixed cover in bottom of first roller bearing 4 is equipped with first bevel gear 13, the both sides of first bevel gear 13 all mesh and are provided with second bevel gear 14, one side fixed welding of second bevel gear 14 has the one end of second roller bearing 15, the other end fixed welding of second roller bearing 15 has carousel 16, elliptical trough 17 has been seted up to one side of carousel 16, sliding connection has the one end of first connecting rod 18 in the elliptical trough 17, the fixed welding of the other end of first connecting rod 18 is on the inner wall of spacing ring 11, through setting up sieve material stick 12, can shake off the cereal in the straw.
In this embodiment, the two ends of the second roller 15 are both fixedly sleeved with the second bearings 19, the top of the second bearings 19 is fixedly welded with one end of the second positioning rod 20, the other end of the second positioning rod 20 is fixedly welded on the first positioning rod 10, and the second roller 15 is conveniently fixed by arranging the second bearings 19 and the second positioning rod 20.
In this embodiment, a sliding rod 21 is slidably connected in the box body 1, two ends of the sliding rod 21 both extend out of the box body 1 and are fixedly welded with a baffle 22, a cross beam 23 is fixedly welded at the bottom of the sliding rod 21 positioned in the box body 1, three hook bars 24 are fixedly welded at the bottom of the cross beam 23, and the straw can be pushed to first discharge pipes 25 on two sides of the box body 1 by arranging the hook bars 24.
In this embodiment, the inner walls of the two sides of the box body 1 are fixedly welded with first discharging pipes 25, the first discharging pipes 25 are located below the sliding rods 21, the inner wall of the box body 1 located below the first discharging pipes 25 is fixedly welded with a filter screen 26, the hook rods 24 are matched with the filter screen 26, and the straws can be prevented from falling into the second discharging pipes 27 by arranging the filter screen 26.
In this embodiment, the bottom of the box body 1 is fixedly welded with the second discharging pipe 27, the bottom of the second discharging pipe 27 is fixedly welded with the material conveying pipe 28, the material conveying pipe 28 is rotatably connected with the screw 29, the screw 29 is tightly attached to the inner wall of the material conveying pipe 28, one end of the screw 29 extends out of the material conveying pipe 28 and is fixedly welded with the second motor 30, the second motor 30 is fixedly connected to the ground through screws, and the screw 29 can be rotated by arranging the second motor 30.
In this embodiment, a screw 29 located outside the feeding pipe 28 is fixedly sleeved with a third bevel gear 31, the third bevel gear 31 is engaged with a fourth bevel gear 32, a third roller 33 is fixedly welded to the top of the fourth bevel gear 32, and the fourth bevel gear 32 and the third roller 33 can be rotated through the third bevel gear 31.
In this embodiment, the top end of the third roller 33 is fixedly welded with one end of a rocker 34, the other end of the rocker 34 is fixedly welded with a first hinge 35, the first hinge 35 is rotatably connected with one end of a second connecting rod 36, and the rocker 34 can push the second connecting rod 36 to move back and forth repeatedly.
In this embodiment, the other end of the second link 36 is rotatably connected with a second hinge 37, the second hinge 37 is fixedly welded to the bottom of one of the baffles 22, and the second hinge 37 is arranged to push the baffles 22 to move back and forth continuously.
In this embodiment, the bottom of the third roller 33 is fixedly sleeved with the third bearing 38, one end of the third positioning rod 39 is fixedly welded to one side of the third bearing 38, the other end of the third positioning rod 39 is fixedly welded to one side of the second discharging pipe 27, and the third roller 33 is conveniently fixed by arranging the third bearing 38 and the third positioning rod 39.
In this embodiment, the top of the third roller 33 is fixedly sleeved with the fourth bearing 40, one end of the fourth positioning rod 41 is fixedly welded to one side of the fourth bearing 40, the other end of the fourth positioning rod 41 is fixedly welded to one side of the box body 1, and the third roller 33 is conveniently fixed by arranging the fourth bearing 40 and the fourth positioning rod 41.
In this embodiment, the first motor 3 and the second motor 30 are started first, the first motor 3 rotates the first roller 4, then the straw is put into the box 1 through the feed inlet 5, the screw thread 8 on the first roller 4 will drive the straw to rotate at high speed and throw off the grain on the straw, the first bearing 9 and the first positioning rod 10 on the first roller 4 can conveniently fix the first roller 4, when the first bevel gear 13 at the bottom end of the first roller 4 rotates, the two second rollers 15 can be rotated through the two second bevel gears 14, when the rotary disc 16 on the two second rollers 15 rotates, the first connecting rod 18 in the elliptical groove 17 can push the limit ring 11 to slide up and down continuously, the screening rod 12 on the limit ring 11 can shake the straw continuously to shake off the grain in the straw, the second bearing 19 on the second roller 15 and the second positioning rod 20 can conveniently fix the second roller 15, after falling down, grains enter the material conveying pipe 28 through the filter screen 26 and the second material discharging pipe 27, straws fall onto the filter screen 26, when the second motor 30 is started, the screw 29 is rotated, grains in the material conveying pipe 28 are conveyed out, when the third bevel gear 31 on the screw 29 is rotated, the third roller 33 can be rotated through the fourth bevel gear 32, when the rocker 34 on the third roller 33 is rotated, the baffle 22 can be pushed to move back and forth through the second connecting rod 36, the cross beam 23 and the hook rod 24 can be further pushed through the sliding rod 21, straws on the filter screen 26 are pushed into the first material discharging pipes 25 on two sides of the box body 1, recycling is realized, and the third bearing 38, the third positioning rod 39, the fourth bearing 40 and the fourth positioning rod 41 on the third roller 33 can conveniently fix the third roller 33.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.
Claims (10)
1. The straw screening equipment comprises a box body (1) and is characterized in that a motor box (2) is fixedly connected to the top of the box body (1), a first motor (3) is fixedly connected to the inside of the motor box (2), one end of a first rolling shaft (4) is fixedly connected to an output shaft of the first motor (3), the other end of the first rolling shaft (4) extends into the box body (1), two feed inlets (5) are formed in the top of the box body (1), the two feed inlets (5) are respectively positioned on two sides of the motor box (2), a feed pipe (6) is fixedly connected to the inner wall of the bottom of each feed inlet (5), a cylinder (7) is fixedly connected to the bottom of each feed pipe (6), a thread (8) is fixedly sleeved on the first rolling shaft (4) positioned in the cylinder (7), and a first bearing (9) is fixedly sleeved on the first rolling shaft (4) extending to the lower side of the cylinder, the equal fixedly connected with in both sides of first bearing (9) one end of first locating lever (10), the other end fixed connection of first locating lever (10) is on the inner wall of box (1), the slip cover is equipped with spacing ring (11) on the inner wall of box (1), sieve material stick (12) that a plurality of slopes of fixedly connected with set up on the inner wall of spacing ring (11), the fixed cover in bottom of first roller bearing (4) is equipped with first bevel gear (13), the both sides of first bevel gear (13) all mesh and are provided with second bevel gear (14), the one end of one side fixedly connected with second roller bearing (15) of second bevel gear (14), the other end fixedly connected with carousel (16) of second roller bearing (15), elliptical trough (17) have been seted up to one side of carousel (16), the one end of sliding connection first connecting rod (18) in elliptical trough (17), the other end fixed connection of first connecting rod (18) is on the inner wall of spacing ring (11).
2. The straw screening apparatus according to claim 1, wherein a second bearing (19) is fixedly sleeved at each of two ends of the second roller (15), one end of a second positioning rod (20) is fixedly connected to the top of the second bearing (19), and the other end of the second positioning rod (20) is fixedly connected to the first positioning rod (10).
3. The straw screening apparatus according to claim 1, wherein a slide rod (21) is slidably connected in the box body (1), both ends of the slide rod (21) extend to the outside of the box body (1) and are fixedly connected with a baffle plate (22), the bottom of the slide rod (21) in the box body (1) is fixedly connected with a cross beam (23), and the bottom of the cross beam (23) is fixedly connected with three hook rods (24).
4. The straw screening device according to claim 1, wherein the inner walls of the two sides of the box body (1) are fixedly connected with first discharging pipes (25), the first discharging pipes (25) are located below the sliding rods (21), the inner wall of the box body (1) below the first discharging pipes (25) is fixedly connected with a filter screen (26), and the hook rods (24) are matched with the filter screen (26).
5. The straw screening apparatus according to claim 1, wherein a second discharging pipe (27) is fixedly connected to the bottom of the box body (1), a conveying pipe (28) is fixedly connected to the bottom of the second discharging pipe (27), a screw (29) is rotatably connected to the conveying pipe (28), the screw (29) is tightly attached to the inner wall of the conveying pipe (28), one end of the screw (29) extends out of the conveying pipe (28) and is fixedly connected with a second motor (30), and the second motor (30) is fixedly connected to the ground.
6. The straw screening apparatus as claimed in claim 5, wherein a screw (29) located outside the feed delivery pipe (28) is fixedly sleeved with a third bevel gear (31), the third bevel gear (31) is engaged with a fourth bevel gear (32), and a third roller (33) is fixedly connected to the top of the fourth bevel gear (32).
7. The straw screening apparatus as claimed in claim 6, wherein one end of a rocker (34) is fixedly connected to the top end of the third roller (33), the other end of the rocker (34) is fixedly connected with a first hinge member (35), and one end of a second connecting rod (36) is rotatably connected to the first hinge member (35).
8. The straw screening apparatus as claimed in claim 7, wherein the other end of the second link (36) is rotatably connected with a second hinge member (37), and the second hinge member (37) is fixedly connected to the bottom of one of the blocking plates (22).
9. The straw screening apparatus according to claim 6, wherein a third bearing (38) is fixedly sleeved at the bottom of the third roller (33), one side of the third bearing (38) is fixedly connected with one end of a third positioning rod (39), and the other end of the third positioning rod (39) is fixedly connected with one side of the second discharging pipe (27).
10. The straw screening apparatus according to claim 6, wherein a fourth bearing (40) is fixedly sleeved on the top of the third roller (33), one side of the fourth bearing (40) is fixedly connected with one end of a fourth positioning rod (41), and the other end of the fourth positioning rod (41) is fixedly connected to one side of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319342.5A CN111480460B (en) | 2020-04-21 | 2020-04-21 | Straw screening installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319342.5A CN111480460B (en) | 2020-04-21 | 2020-04-21 | Straw screening installation |
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| CN111480460A true CN111480460A (en) | 2020-08-04 |
| CN111480460B CN111480460B (en) | 2022-01-11 |
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