CN115968616A - Adjustable bucket wheel assembly and bucket wheel type seed sowing device - Google Patents
Adjustable bucket wheel assembly and bucket wheel type seed sowing device Download PDFInfo
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- 238000009331 sowing Methods 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 30
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 30
- 238000000926 separation method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
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- 238000000429 assembly Methods 0.000 description 3
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- 238000007599 discharging Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
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- 239000008358 core component Substances 0.000 description 1
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The utility model provides a spoon wheel subassembly and spoon wheel formula seed metering ware with adjustable, this spoon wheel subassembly include first spoon rim plate and second spoon rim plate, be provided with first kind of spoon on the first spoon rim plate, be provided with second kind of spoon on the second spoon rim plate, first kind of spoon with second kind of spoon constitutes the region of planting of hanging that is used for carrying the seed jointly, the size of planting of hanging region can be through changing second spoon rim plate with deflection angle between the first spoon rim plate is adjusted. According to the seed hanging device, the two seed scoops are respectively arranged on the two ladle wheel discs capable of deflecting relatively, so that the size of a seed hanging area formed by the two seed scoops can be adjusted to be larger or smaller according to seeds of different types and size intervals, the seed size characteristics of a sowing field can be flexibly and quickly adjusted without replacing the ladle wheels, and the seed hanging device has wide application value.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an adjustable bucket wheel assembly and a bucket wheel type seed sowing device.
Background
The seed sowing device is one of core components of the seed sowing machine and mainly comprises a mechanical type and a pneumatic type. The mechanical bucket-wheel seed sowing device is widely applied to hilly and mountainous areas by virtue of the characteristics of lower manufacturing cost, wider application range and stable seed sowing.
Patent CN209314269U discloses a seed sowing device with a seed metering disc, as shown in fig. 1, which includes a casing 101, a seed cavity 102, an annular seed separating plate 103, a seed spoon 104 and a cover body 105, which are arranged in sequence from inside to outside, wherein the seed cavity 102 and the seed spoon 104 are connected with each other through screws, an annular seed separating plate connected with the casing is arranged between the seed cavity and the seed spoon, an arc seed inlet is arranged on the upper side of the annular seed separating plate, and the seed separating plate on the lower side of the arc seed inlet seals and blocks the outer side of the lower part of the seed cavity. When the seeding operation is carried out, after the seeds are hung on the seed spoon distributed along the circumferential direction of the seed spoon wheel, the seed spoon rotates to the arc seed inlet and falls into the corresponding seed cavity on the seed wheel cavity, and when the seed cavity with the seeds is rotated to the lower part, the seeds are discharged through the seed outlet arranged on the shell, so that the seed discharging operation is completed.
Traditional bucket wheel formula seed metering ware can utilize the opening of kind spoon to hang the seed, but the opening size of kind spoon is fixed, when the seed of needs seeding different grade type, needs dismouting seed metering ware, change kind of bucket wheel in order to deal with the not seed of equidimension, not only the operation is complicated, is unfavorable for moreover making the adjustment of adaptability to the seed size characteristics of sowing ground.
Disclosure of Invention
An object of the present invention is to provide an adjustable spoon wheel assembly, which adjusts a distance between a first type spoon on a first spoon wheel disc and a second type spoon on a second spoon wheel disc by providing a first spoon wheel disc and a second spoon wheel disc capable of rotating a certain angle relative to the first spoon wheel disc, so as to change a size of a seed hanging area, and the size adjustment of the seed hanging area can be completed without replacing a seed hanging wheel.
The invention is realized by the following technical scheme:
the utility model provides a spoon wheel subassembly with adjustable, includes first spoon rim plate and second spoon rim plate, be provided with first kind of spoon on the first spoon rim plate, be provided with second kind of spoon on the second spoon rim plate, first kind of spoon with second kind of spoon constitutes the region of planting of hanging that is used for carrying the seed jointly, the size of planting of hanging region can be through changing second spoon rim plate with deflection angle between the first spoon rim plate is adjusted.
In this technical scheme, the bucket wheel subassembly with adjustable includes first spoon rim plate and second spoon rim plate two parts. Under the working state, the first spoon wheel disc and the second spoon wheel disc can synchronously rotate under the action of the driving shaft of the seed sowing device, and under the non-working state, the second spoon wheel disc can be rotated by a certain angle relative to the first spoon wheel disc, or on the contrary, so that the deflection angle between the second spoon wheel disc and the first spoon wheel disc is changed. In some preferred embodiments, the scoop wheel disk adjacent to the adjusting partition is fixed to the seed cavity disk or to the drive shaft to be rotated by the drive shaft, and the other scoop wheel disk can be rotated in a non-operating state to adjust the deflection angle.
In the technical scheme, a first spoon is arranged on the first spoon wheel disc, a second spoon is arranged on the second spoon wheel disc, the first spoon and the second spoon are both positioned between the first spoon wheel disc and the second spoon wheel disc, and are mutually matched with each other and jointly form a seed hanging area. The shape of the hanging surface of the seed hanging area and the seeds, namely the end surface close to the edge of the first or second spoon wheel disc can be the same as or similar to the bionic structure of the hanging surface of the traditional seed spoon, so as to realize better seed hanging.
When the seeds of different types or different size intervals need to be sown, the deflection angle between the two spoon wheel discs is changed by only rotating the second spoon wheel disc and/or the first spoon wheel disc, for example, 2-5 degrees, and the first spoon and the second spoon can move in the opposite direction or in the back direction, so that the size of the seed hanging region and the area of the hanging surface are changed, and the seed hanging region can be adapted to different seeds. After the adjustment is finished, the work state is entered, the first spoon wheel disc and the second spoon wheel disc synchronously rotate under the action of the driving shaft, and seeds are brought into the corresponding seed cavities for sowing operation.
Among this technical scheme, through installing two kind spoons respectively on two spoon rim plates that can deflect relatively for the size of the region of hanging to plant that two kind spoons constitute can be according to the seed of different grade type, size interval and transfer big or turn little, need not to change the bucket wheel and can make nimble, quick adjustment to the seed size characteristics of sowing the kind of land, have extensive using value.
As a preferable connection mode of the first and second spoon disks, the first spoon disk can rotate under the drive of a drive shaft of the spoon-wheel seed metering device, a mounting sleeve is arranged at the center of the second spoon disk, an accommodating cavity is formed in the mounting sleeve and used for accommodating the end part of the drive shaft, and the mounting sleeve is fixedly connected with the drive shaft through a fastener.
In the technical scheme, the first spoon wheel disc is directly or indirectly connected to the driving shaft and can synchronously rotate along with the driving shaft and the seed cavity disc. The second spoon wheel disc is coaxial with the installation sleeve, the installation sleeve penetrates through the center of the second spoon wheel disc, and the second spoon wheel disc is fixedly connected with the installation sleeve. The chamber that holds of installation sleeve can hold the tip of drive shaft for when the installation sleeve can overlap the tip of locating the drive shaft, the installation sleeve can be for the certain angle of drive shaft rotation, and the drive shaft also can be followed the axis direction immigration or shift out the installation cover. Simultaneously, the accessible fastener is fixed between installation sleeve and the drive shaft to ensure that the drive shaft can drive the synchronous rotation of installation sleeve, and then make first, second spoon wheel dish synchronous revolution.
Under non-operating condition, unscrew the fastener, for the rotatory installation sleeve of drive shaft can adjust the angle of deflection between first, the second spoon rim plate, the adjustment finishes, screws up the fastener so that under operating condition two spoon rim plates can carry out the hanging kind under the effect synchronous revolution of drive shaft.
The axis of the fastener between installation sleeve and the drive shaft can be screwed up or unscrewed along the radial direction of drive shaft, for example, the helix direction along the drive shaft outer wall is provided with a plurality of first screw holes, is provided with the second screw hole on the installation sleeve, and locking screw connects the second screw hole and can realize the fixed connection of installation sleeve and drive shaft under specific angle with arbitrary first screw hole.
The central axis of the fastener between the mounting sleeve and the drive shaft can also be screwed or unscrewed in the axial direction of the drive shaft.
Specifically, the tip of drive shaft is provided with and is located hold the regulation pole of intracavity, be provided with the screw on the terminal surface of regulation pole, threaded connection has the check lock pole on the installation sleeve, the locking end activity of check lock pole runs through installation sleeve, and locking serve be provided with screw assorted screw thread.
In this technical scheme, the drive shaft is located and is provided with the regulation pole on holding the terminal surface of intracavity, is provided with the screw on the regulation pole. Simultaneously, still be provided with the check lock lever on the installation sleeve, check lock lever and installation sleeve threaded connection, the check lock lever can hold the chamber for installation sleeve screw in or screw out. The locking end is arranged at one end of the locking rod in the accommodating cavity, and the thread arranged on the locking end is matched with the thread hole on the end face of the adjusting rod. When the deflection angle between the two spoon wheel discs needs to be adjusted, the locking rod is screwed out, so that the mounting sleeve can rotate relative to the driving shaft, and after the rotation is completed, the locking end of the locking rod is screwed into the screw hole of the adjusting rod, so that the mounting sleeve and the driving shaft are fixed relatively. Through setting up the axis of the fastener between installation sleeve and the drive shaft into the axial direction that is on a parallel with the drive shaft, further optimize fastening structure, can reduce the quantity that sets up of screw on the drive shaft tip lateral wall in comparison in along the fastening of radial direction, improve the intensity of structure and the stability of connection, allow the installation sleeve to rotate littleer angle for the drive shaft simultaneously, hang the regional size regulation of planting more nimble.
Furthermore, a plurality of separation blades are distributed on the circumferential direction of the adjusting rod at equal intervals, a limiting area is formed between every two adjacent separation blades, a metal elastic sheet is arranged on the inner wall of the mounting sleeve, the size of the metal elastic sheet is configured to be that the metal elastic sheet located in one limiting area can enter the next adjacent limiting area through the baffle after being deformed by stress.
In the technical scheme, a plurality of blocking pieces are arranged along the circumferential direction of the adjusting rod, and a plurality of limiting areas are formed in the circumferential direction of the adjusting rod by the blocking pieces. One or more metal elastic sheets are arranged on the inner wall of the mounting sleeve, and the one or more metal elastic sheets are preferably distributed along the circumferential direction of the inner wall of the mounting sleeve at equal intervals or at unequal intervals. Under the operating condition, the metal elastic sheet is always positioned in a limit area. When the installation sleeve is rotated to adjust the deflection angle in a non-working state, the metal elastic sheet rotates along with the installation sleeve and is subjected to the reaction force of the separation blade when passing through the separation blade, and then the lower part of the metal elastic sheet deforms and enters the next limiting area through the separation blade. Through the cooperation of metal shrapnel and separation blade for when adjusting the angle of deflection, the staff can feel obvious stopping when metal shrapnel produces deformation and passes through the separation blade, judge through this that metal shrapnel has crossed a separation blade, thereby judge that the installation sleeve has rotated the central angle that a spacing district corresponds, be favorable to adjusting the angle of deflection more accurately, be adapted to the seed of specific size difference.
Furthermore, the central angle between two adjacent baffle plates is 1-6 degrees. The central angle between the two baffle plates is the central angle corresponding to one limiting area. The central angles corresponding to the limiting regions may be the same or different, and preferably, the central angles corresponding to the limiting regions are the same. An excessively large central angle is obviously not favorable for fine adjustment of the deflection angle, but the size of the central angle is not too small, otherwise, the requirements on the elastic modulus, the hardness and the size of the material obviously increase the manufacturing cost, and the excessively small deflection angle adjustment is not needed in the rotation process. In addition, the central angle is set to be 1-6 degrees, so that the end part of the metal elastic sheet has enough swing space to collide with the baffle plate to generate sound.
Furthermore, the outer wall of the driving shaft is provided with first threads, and the inner wall of the mounting sleeve is provided with second threads matched with the first threads. Among this technical scheme, drive shaft and installation sleeve set up to threaded connection, can reduce the installation sleeve along the axial removal of drive shaft, adjust more accurately, and drive shaft and the telescopic connection of installation are more stable.
As a preferred embodiment of the seed hanging area in the invention, an ejection piece is arranged in the seed hanging area, the ejection piece comprises an ejection state and a retraction state, in the ejection state, an ejection end of the ejection piece, which is far away from a driving shaft, extends out of the seed hanging area, and in the retraction state, an ejection end of the ejection piece is retracted into the seed hanging area; the driving shaft is sleeved with a cam, and the ejection piece can be switched from the retraction state to the ejection state when rotating to the cam.
In the technical scheme, the seed hanging area is internally provided with an ejection piece which can be ejected or retracted. Specifically, the ejecting piece is arranged in the seed hanging area, and the ejecting end, namely the end far away from the driving shaft, of the ejecting piece can be ejected upwards to extend out of the seed hanging area in an ejecting state, so that seeds placed on the hanging surface of the seed hanging area are pushed to generate displacement, and at least part of the seeds are separated from the hanging surface. In the retracted state, the ejecting end can return to the seed hanging area, and the seeds are again positioned on the hanging surface.
In the technical scheme, the cam is arranged on the driving shaft and does not rotate along with the driving shaft. The convex surface of the cam can face a fixed position, so that each ejection piece can contact the convex surface and move along the convex surface when rotating to a specific angle, and gradually switch from a retraction state to an ejection state in the moving process, and finally retract again after the ejection action is finished.
In this technical scheme, the convex surface of cam preferably is located between the material area of getting of lower part and the feeding area of upper portion. After the seed is hung in the seed hanging area in the cover body, the ejecting piece enters an ejecting state when passing through the convex surface of the cam, the hung seeds are pushed, the seeds placed in the seed hanging area are enabled to generate certain displacement, and at the moment, if another seed is stacked on the seeds, the seeds above the seeds can be completely separated from the seed hanging area and fall back to the material taking area by utilizing the displacement of the seeds below the seeds. And then, the ejection part retracts, the seeds below are attached to the hanging surface again and move to the feeding area along with the seed spoon, and finally enter the corresponding seed cavities on the seed cavity disc through the seed inlet.
Through the arrangement, the condition that two seeds are butted in the same seed hanging area can be reduced to a certain extent, the probability that the two seeds enter the same seed cavity is reduced, and the seeding efficiency and accuracy are improved.
Furthermore, a sliding groove is formed in the second spoon wheel disc, a connecting rod is movably arranged in the sliding groove, one end of the connecting rod is connected with a spring, the other end of the connecting rod is connected to the ejection piece, and the spring is connected to the second spoon wheel disc; in the retracted state, the spring is in a natural tension state, and in the ejected state, the spring is in a compression state.
In this technical scheme, the spout that sets up on the second spoon rim plate corresponds with ejecting one-to-one. The connecting rod activity runs through the spout and can move along the spout. One end of the connecting rod is connected with the ejecting piece, and the other end of the connecting rod is connected with the spring. When the convex surface of the cam is not contacted, the spring is in a natural stretching state, and when the ejecting piece rotates to a material taking area of the seed metering device, the spring can overcome the gravity of the ejecting piece, so that the ejecting piece is prevented from downwards extending out of the seed hanging area and influencing the normal seed taking of the seed spoon. After contacting the convex surface of the cam, the ejecting piece overcomes the elastic force of the spring to eject outwards, extends out of the seed hanging area, pushes seeds to generate certain displacement, makes the possible stacked seeds completely separate from the seed hanging area, and so on, and finishes one-time ejection and retraction action on each seed spoon passing through the convex surface of the cam.
Furthermore, a connecting belt is arranged between the first type spoon and the second type spoon, and the connecting belt is located on the end face of the seed hanging area. When first, second spoon wheel dish produced the angle of deflection, there was the clearance between second kind spoon and the first kind spoon, and the setting up of connecting band can play the effect that improves first, second spoon wheel dish connection stability, simultaneously, and the connecting band that is located the terminal surface can also compensate the clearance of terminal surface for it is complete to articulate the face, is difficult for appearing the condition that the seed blocked. Preferably, the connecting belt is made of rubber.
The invention further aims to provide a bucket-wheel type seed sowing device based on any one of the adjustable bucket-wheel assemblies, and particularly, the bucket-wheel type seed sowing device comprises a driving shaft, and a base, a seed cavity disc, an adjusting partition plate and a bucket-wheel assembly which are sequentially arranged along the driving shaft, wherein the bucket-wheel assembly adopts any one of the adjustable bucket-wheel assemblies.
In the technical scheme, the same as the prior art, the bucket wheel type seed sowing device comprises a driving shaft, a base, a seed cavity disc, an adjusting partition plate and a bucket wheel assembly, wherein the base, the seed cavity disc, the adjusting partition plate and the bucket wheel assembly are arranged from inside to outside along the driving shaft, and a cover plate is further arranged on the outer side of the bucket wheel assembly. Unlike the prior art, the spoon wheel assembly adopts any one of the adjustable split type spoon wheel assemblies. In the area that apron and second spoon wheel dish constitute, the lower part is for getting the material area, and a plurality of seed hanging areas that constitute by first kind spoon, second kind spoon pass through in proper order and get the material area and hang the kind, later rotate to the top, enter into the kind chamber that corresponds on the kind chamber dish through the kind of a mouthful of advancing of adjusting the baffle, and the seed continues to rotate in kind chamber, discharges from the seed metering mouth at last.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the seed hanging device, the two seed scoops are respectively arranged on the two ladle wheel discs capable of deflecting relatively, so that the size of a seed hanging area formed by the two seed scoops can be adjusted to be large or small according to seeds of different types and size intervals, the seed size characteristics of a sowing field can be flexibly and quickly adjusted without replacing the ladle wheels, and the seed hanging device has wide application value;
2. according to the invention, the central axis of the fastener between the mounting sleeve and the driving shaft is parallel to the axial direction of the driving shaft, so that the fastening structure is further optimized, compared with the fastening structure along the radial direction, the number of screw holes on the side wall of the end part of the driving shaft can be reduced, the strength of the structure and the connection stability are improved, meanwhile, the mounting sleeve is allowed to rotate by a smaller angle relative to the driving shaft, and the size of a seed hanging area is more flexibly adjusted;
3. according to the invention, through the matching of the metal elastic sheet and the baffle plate, when the deflection angle is adjusted, a worker can feel obvious blocking when the metal elastic sheet is deformed and passes through the baffle plate, and the situation that the metal elastic sheet passes over one baffle plate is judged through the blocking, so that the situation that the mounting sleeve rotates by one central angle corresponding to a limiting area is judged, and the deflection angle can be adjusted more accurately and is suitable for seeds with specific size differences;
4. according to the invention, the arrangement of the cam and the ejection piece is utilized, the condition that two seeds are butted in the same seed hanging area can be reduced to a certain extent, the probability that two seeds enter the same seed cavity is reduced, and the seeding efficiency and accuracy are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of an exploded state structure of a bucket wheel type seed sowing device in the prior art;
FIG. 2 is a schematic diagram of the construction of a bucket wheel seed meter in an embodiment of the invention;
FIG. 3 is a schematic view of a first spoon disk in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second spoon wheel disc according to an embodiment of the present invention;
FIG. 5 is a schematic view of a structure of the second spoon disk and the first spoon disk in combination according to the exemplary embodiment of the present invention (the second spoon disk is not shown);
FIG. 6 is a schematic cross-sectional view of the second and first spoon discs in combination in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a metal spring and a baffle plate according to an embodiment of the present invention;
FIG. 8 is a schematic view of the second spoon wheel disc in combination with a cam in an embodiment of the present invention;
FIG. 9 is a schematic illustration of the first spoon disk, the second spoon disk, and the cam at one operating time in accordance with an embodiment of the present invention (the second spoon disk is not shown);
FIG. 10 is a schematic view of the connection of a first spoon to a second spoon according to an embodiment of the present invention;
FIG. 11 is a schematic view of a seed chamber plate mounted on a base according to an embodiment of the present invention;
FIG. 12 is a schematic view of a seed chamber plate and an adjusting partition plate mounted on a base according to an embodiment of the present invention;
reference numbers and corresponding part names in the drawings:
10-a first spoon wheel disc, 11-a first spoon, 12-a connecting belt, 20-a second spoon wheel disc, 21-a second spoon, 22-a mounting sleeve, 23-a metal elastic sheet, 24-an ejector, 25-a connecting rod, 26-a spring, 27-a stopper, 28-a sliding chute, 30-a driving shaft, 31-an adjusting rod, 32-a baffle, 33-a locking rod, 40-a cam, 50-a cavity disc, 51-a cavity, 60-a base, 61-a seed discharging port, 62-an adjusting disc, 70-an adjusting partition plate, 71-a seed inlet, 80-a cover plate, 81-a feed inlet and 82-a discharge door;
101-shell, 102-seed wheel cavity, 103-annular partition plate, 104-seed scoop wheel, 105-cover body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the scope of the invention.
Example 1:
fig. 2 to fig. 6 show an adjustable spoon wheel assembly, which includes a first spoon wheel disc 10 and a second spoon wheel disc 20, the first spoon wheel disc 10 is provided with a first kind of spoon 11, the second spoon wheel disc 20 is provided with a second kind of spoon 21, the first kind of spoon 11 and the second kind of spoon 21 jointly form a seed hanging area for carrying seeds, and the size of the seed hanging area can be adjusted by changing a deflection angle between the second spoon wheel disc 20 and the first spoon wheel disc 10.
When seeds of different types or different size intervals need to be sown, as shown in fig. 5, the deflection angle between the two spoon wheel discs can be changed by only rotating the second spoon wheel disc and/or the first spoon wheel disc, for example, 2-5 degrees, and the first spoon and the second spoon can move oppositely or back to back, so that the size of the seed hanging area and the area of the hanging surface are changed, and the seed hanging area can be adapted to different seeds. After the adjustment is finished, the seeding machine enters a working state, the first and second spoon wheel discs synchronously rotate under the action of the driving shaft, and seeds are brought into the corresponding seed cavities to perform seeding operation.
This embodiment is through installing two kind spoons respectively on two spoon rim plates that can deflect relatively for the size of the region of hanging to plant that two kind spoons constitute can be according to different grade type, the interval seed of size and transfers greatly or turn down, need not to change the spoonful wheel and can make nimble, quick adjustment to the seed size characteristics of sowing the kind of land, have extensive using value.
In a partially preferred embodiment, as shown in fig. 6, the first spoon disk 10 can be driven to rotate by a driving shaft 30 of a spoon-wheel-type seed metering device, a mounting sleeve 22 is arranged at the center of the second spoon disk 20, a receiving cavity is arranged on the mounting sleeve 22 and is used for receiving the end part of the driving shaft 30, and the mounting sleeve 22 is fixedly connected with the driving shaft 30 through a fastener.
In one or more embodiments, the central axis of the fastening member between the mounting sleeve and the driving shaft can be screwed or unscrewed along the radial direction of the driving shaft, specifically, a plurality of first screw holes are arranged along the spiral line direction of the outer wall of the driving shaft, a second screw hole is arranged on the mounting sleeve, and the locking screw rod is connected with the second screw hole and any one of the first screw holes, so that the mounting sleeve can be fixedly connected with the driving shaft at a specific angle.
In some preferred embodiments, an adjusting rod 31 located in the accommodating cavity is disposed at an end of the driving shaft 30, a screw hole is disposed on an end surface of the adjusting rod 31, a locking rod 33 is connected to the mounting sleeve 22 through a screw thread, and a locking end of the locking rod 33 movably penetrates through the mounting sleeve 22 and is provided with a screw thread matching with the screw hole. Through setting up the axis of the fastener between installation sleeve and the drive shaft into the axial direction that is on a parallel with the drive shaft, further optimize fastening structure, can reduce the quantity that sets up of screw on the drive shaft tip lateral wall in comparison in along the fastening of radial direction, improve the intensity of structure and the stability of connection, allow the installation sleeve to rotate littleer angle for the drive shaft simultaneously, hang the regional size regulation of planting more nimble.
In some preferred embodiments, the drive shaft 30 is provided with a first thread on its outer wall and the mounting sleeve 22 is provided with a second thread on its inner wall that matches the first thread.
In some embodiments, as shown in fig. 10, a connecting belt (12) is arranged between the first type scoop 11 and the second type scoop 21, and the connecting belt 12 is located at an end face of the seed hanging area.
Example 2:
on the basis of the above embodiment, as shown in fig. 6 and 7, a plurality of blocking pieces 32 are distributed on the circumferential direction of the adjusting rod 31 at equal intervals, a limiting region is formed between two adjacent blocking pieces 32, a metal elastic piece 23 is arranged on the inner wall of the mounting sleeve 22, and the size of the metal elastic piece 23 is configured so that the metal elastic piece 23 located in one limiting region can enter the next adjacent limiting region through the blocking piece 32 after being deformed by a force.
In this embodiment, in the operating state, the metal elastic sheet is always located in one limiting area. When the installation sleeve is rotated to adjust the deflection angle in a non-working state, the metal elastic sheet rotates along with the installation sleeve and is subjected to the reaction force of the separation blade when passing through the separation blade, and then the lower part of the metal elastic sheet deforms and enters the next limiting area through the separation blade.
In some embodiments, the plurality of metal elastic sheets are distributed along the circumferential direction of the inner wall of the mounting sleeve at unequal intervals.
In some preferred embodiments, the plurality of metal elastic sheets are distributed at equal intervals along the circumferential direction of the inner wall of the mounting sleeve.
In one or more embodiments, the blocking pieces are preferably made of metal, so that the metal elastic pieces can collide with the blocking pieces of the adjacent limiting areas after entering the adjacent limiting areas, the number of the passing limiting areas can be identified, and the adjustment interval of the deflection angle can be judged.
In some preferred embodiments, the central angle between adjacent baffles 32 is 1-6 °.
Example 3:
on the basis of the above embodiment, as shown in fig. 8 and 9, the seed hanging region is provided with the ejector 24, the ejector 24 includes an ejection state and a retraction state, in the ejection state, the ejection end of the ejector 24 away from the driving shaft 30 extends out of the seed hanging region, and in the retraction state, the ejection end of the ejector 24 retracts into the seed hanging region; the driving shaft 30 is sleeved with a cam 40, and the ejector 24 can be switched from the retraction state to the ejection state when rotating to the cam 40; a sliding groove 28 is formed in the second spoon wheel disc 20, a connecting rod 25 is movably arranged in the sliding groove 28, one end of the connecting rod 25 is connected with a spring 26, the other end of the connecting rod 25 is connected with the ejector 24, and the spring 26 is connected to the second spoon wheel disc 20; in the retracted state, the spring 26 is in a natural tension state, and in the ejected state, the spring 26 is in a compression state.
In this embodiment, the cam lobe is preferably located between the lower take off area and the upper feed area. As shown in fig. 9, after the seed hanging area hangs the seeds in the cover body, the ejecting member enters into the ejecting state when passing through the convex surface of the cam, the hanging seeds are pushed, the seeds placed in the seed hanging area generate a certain displacement, and at this time, if another seed is stacked on the seed, the upper seed can be completely separated from the seed hanging area and fall back to the material taking area by utilizing the displacement of the lower seed. And then, the ejection part retracts, the seeds below are attached to the hanging surface again and move to the feeding area along with the seed spoon, and finally enter the corresponding seed cavities on the seed cavity disc through the seed inlet.
In one or more embodiments, the ejecting member is disposed to be attached to the inner wall of the second seed spoon, that is, on the seed spoon closer to the seed inlet, so as to further improve the probability of ejecting the upper seeds by the ejecting member, and simultaneously ensure that the lower seeds do not completely separate from the seed hanging area. In one or more embodiments, a sliding groove is formed in the inner wall of the second spoon, a sliding way matched with the sliding groove is formed in the ejector, the ejector is guided to move by the aid of cooperation of the sliding groove and the sliding block, and meanwhile stability of movement of the ejector is improved.
In one or more embodiments, the second spoon wheel disc is further provided with a stop, one end of the spring is connected with the connecting rod, and the other end of the spring is connected with the stop.
Example 4:
as shown in fig. 1, 11 and 12, the bucket-wheel type seed sowing device comprises a driving shaft 30, and a base 60, a seed cavity disc 50, an adjusting partition plate 70 and a bucket wheel assembly which are sequentially arranged along the driving shaft 30, wherein the bucket wheel assembly adopts an adjustable bucket wheel assembly in any one of the previous embodiments.
In the area that apron and second spoon wheel dish constitute, the lower part is for getting the material area, and a plurality of seed hanging areas that constitute by first kind of spoon, second kind of spoon pass through in proper order and get the material area and hang the kind, later rotate to the top, enter into the kind chamber 51 that corresponds on the kind chamber dish through the kind of a mouthful of adjusting the baffle, and the seed continues to rotate in kind chamber, discharges from seed metering mouth 61 at last.
The seed hanging areas and the seed cavities are in one-to-one correspondence, and in one or more preferred embodiments, the number of the seed hanging areas is 12-18.
As used herein, "first," "second," etc. (e.g., first spoon disk, second spoon disk, first spoon, second spoon, etc.) merely distinguish the respective components for clarity of description and are not intended to limit any order or to emphasize importance, etc. In addition, the term "connected" used in the present invention may be directly connected or indirectly connected through another member without specific description.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a spoon wheel subassembly with adjustable, its characterized in that includes first spoon rim plate (10) and second spoon rim plate (20), be provided with first kind of spoon (11) on first spoon rim plate (10), be provided with second kind of spoon (21) on second spoon rim plate (20), first kind of spoon (11) with second kind of spoon (21) constitute the region of planting of hanging that is used for carrying the seed jointly, the size of planting the region can be through changing second spoon rim plate (20) with deflection angle between first spoon rim plate (10) is adjusted.
2. The adjustable bucket wheel assembly of claim 1, wherein the first bucket wheel disc (10) can rotate under the driving of a driving shaft (30) of the bucket wheel type seed metering device, a mounting sleeve (22) is arranged in the center of the second bucket wheel disc (20), a containing cavity is arranged on the mounting sleeve (22) and used for containing the end part of the driving shaft (30), and the mounting sleeve (22) is fixedly connected with the driving shaft (30) through a fastener.
3. The adjustable bucket wheel assembly of claim 2, wherein the end of the drive shaft (30) is provided with an adjusting rod (31) located in the accommodating cavity, the end surface of the adjusting rod (31) is provided with a screw hole, the mounting sleeve (22) is in threaded connection with a locking rod (33), the locking end of the locking rod (33) movably penetrates through the mounting sleeve (22), and the locking end is provided with a thread matched with the screw hole.
4. The adjustable bucket wheel assembly of claim 3, wherein a plurality of blocking pieces (32) are distributed on the adjusting rod (31) at equal intervals in the circumferential direction, a limiting area is formed between every two adjacent blocking pieces (32), a metal elastic piece (23) is arranged on the inner wall of the mounting sleeve (22), and the size of the metal elastic piece (23) is configured so that the metal elastic piece (23) in one limiting area can enter the next adjacent limiting area through the blocking pieces (32) after being deformed by stress.
5. The adjustable bucket wheel assembly of claim 4, wherein the central angle between two adjacent baffles (32) is 1-6 °.
6. The adjustable bucket wheel assembly of claim 2, wherein the drive shaft (30) has a first thread on its outer wall and the mounting sleeve (22) has a second thread on its inner wall that mates with the first thread.
7. The adjustable scoop wheel assembly of claim 2 wherein an ejector (24) is disposed within the seed hanging region, the ejector (24) comprising an ejected state in which an ejector end of the ejector (24) distal from the drive shaft (30) extends out of the seed hanging region and a retracted state in which an ejector end of the ejector (24) is retracted within the seed hanging region;
the driving shaft (30) is sleeved with a cam (40), and the ejecting piece (24) can be switched from the retraction state to the ejection state when rotating to the cam (40).
8. The adjustable spoon wheel assembly of claim 7, characterized in that a sliding groove (28) is formed in the second spoon wheel disc (20), a connecting rod (25) is movably arranged in the sliding groove (28), one end of the connecting rod (25) is connected with a spring (26), the other end of the connecting rod is connected with an ejector (24), and the spring (26) is connected to the second spoon wheel disc (20); in the retracted state, the spring (26) is in a natural tension state, and in the ejected state, the spring (26) is in a compressed state.
9. The adjustable spoon wheel assembly of any one of claims 1 to 8, characterized in that a connecting belt (12) is arranged between the first type spoon (11) and the second type spoon (21), and the connecting belt (12) is located at the end face of the seed hanging area.
10. A bucket wheel type seed sowing device, which comprises a driving shaft (30), and a base (60), a seed cavity disc (50), an adjusting partition plate (70) and a bucket wheel assembly which are sequentially arranged along the driving shaft (30), and is characterized in that the bucket wheel assembly adopts an adjustable bucket wheel assembly as claimed in any one of claims 1 to 9.
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| CN202310139589.2A CN115968616B (en) | 2023-02-20 | 2023-02-20 | Adjustable bucket wheel assembly and bucket wheel type seed metering device |
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