CN213548208U - Floating press roller assembly and stubble ploughing rake comprising same - Google Patents
Floating press roller assembly and stubble ploughing rake comprising same Download PDFInfo
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- CN213548208U CN213548208U CN202021800308.1U CN202021800308U CN213548208U CN 213548208 U CN213548208 U CN 213548208U CN 202021800308 U CN202021800308 U CN 202021800308U CN 213548208 U CN213548208 U CN 213548208U
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- compression roller
- floating
- frame
- connecting rod
- side link
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Abstract
The utility model discloses a floating press roller assembly and a stubble cleaning harrow comprising the same, wherein the floating press roller assembly comprises a suspension bracket and press rollers, the suspension bracket comprises a cross beam, two sides of the cross beam are respectively connected with connecting arms, and the connecting arms are connected with two sides of the press rollers through bearings; the method is characterized in that: the device comprises a frame, two side link rods, a suspension frame, a compression roller floating mechanism, a four-bar linkage structure, a connecting rod swinging plate and a suspension frame, wherein the compression roller floating mechanism is used for vertically floating a compression roller and comprises the four-bar linkage structure, the four-bar linkage structure comprises the fixed frame, the two side link rods and the connecting rod swinging plate connected with the two side link rods, and the lower end of the connecting rod swinging plate is connected with the suspension frame. Unsteady suppression roller subassembly, lean on the dead weight to press on soil, along with the nimble swing from top to bottom can be realized to the height unevenness on ground, cross the barrier.
Description
Technical Field
The utility model relates to a land roller of agricultural soil preparation machinery, concretely relates to unsteady press roller subassembly and contain the stubble-cleaning harrow of unsteady press roller subassembly.
Background
It is necessary to develop a press roller which can swing up and down along with the unevenness of the ground, for example, when encountering obstacles such as stones, the press roller can swing up by itself to pass over the obstacles, and can return to its original position by itself after passing over the obstacles.
The press roller in the prior art is used for breaking soil blocks and compacting soil after rake stubble cleaning operation or ploughing so as to achieve the purpose of soil moisture preservation and cannot swing up and down.
SUMMERY OF THE UTILITY MODEL
The utility model provides a floating press roller assembly leans on the dead weight to press on soil, along with the unevenness of ground can the luffing motion, and the concrete technical scheme of adoption is as follows:
a floating compression roller assembly comprises a suspension frame and a compression roller, wherein the suspension frame comprises a cross beam, two sides of the cross beam are respectively connected with a connecting arm, and the connecting arms are connected with two sides of the compression roller through bearings; the device comprises a frame, two side link rods, a suspension frame, a compression roller floating mechanism, a four-bar linkage structure, a connecting rod swinging plate and a suspension frame, wherein the compression roller floating mechanism is used for vertically floating a compression roller and comprises the four-bar linkage structure, the four-bar linkage structure comprises the fixed frame, the two side link rods and the connecting rod swinging plate connected with the two side link rods, and the lower end of the connecting rod swinging plate is connected with the suspension frame. The frame can be fixedly connected with the outside, for example, the frame can be fixedly connected with a rake frame of the stubble cleaning rake; the connecting rod swing plate plays a role of a connecting rod on one hand, and on the other hand, the four-connecting-rod structure is indirectly connected with the compression roller.
One end of the side link close to the compression roller is connected with the connecting rod swinging plate through a pin shaft, and one end of the side link close to the rack is connected with the rack through a pin shaft; the frame can be considered to be fixedly connected with a main supporting frame of the stubble-cleaning harrow. A shaft sleeve can be considered to be arranged between the side link and the pin shaft, and the pin shaft is provided with a first limiting part for preventing the pin shaft from axially moving and a second limiting part for preventing the pin shaft from rotating; the first limiting part can be a clamp spring, and the second limiting part can be a pin shaft stopping block.
Preferably, the connecting rod swing plate is connected with the cross beam through a hoop, and a damping rubber rod is arranged in the hoop.
The connecting arm with the compression roller both sides are connected through sealed insert bearing.
The press roller works in the field, and dust is large and weeds are more, so that the bearing adopts a sealed spherical outside bearing, and the sealed maintenance-free spherical outside bearing can be further considered; the spherical outside surface bearing has the self-aligning function, so that the problem that the central shafts on the two sides of the press roller are not concentric in the manufacturing, assembling and using processes of the press roller can be avoided, the probability of the press roller twisting in the using process is reduced, and the farming efficiency is improved; the soil-resistant agent is more durable under the condition of bad soil structure.
The compression roller can be considered to adopt a cage type compression roller, the cage type compression roller comprises a supporting structure and a pressing strip, the supporting structure is formed by arranging a plurality of supporting pieces with round outlines side by side, the pressing strip is arranged on a curved surface of the supporting structure, the pressing strip is connected with the supporting pieces along the radius direction of the supporting pieces, and the pressing strip stretches across two sides of the supporting structure; the supporting piece in the middle is in a circular ring shape, and the pressing strip is in a twisted rectangular strip shape.
Other configurations of the press rolls are also contemplated.
The utility model also provides a include floating roller assembly's stubble harrow, floating roller assembly's frame and stubble harrow frame fixed connection.
The utility model has the advantages that: unsteady suppression roller subassembly, lean on the dead weight to press on soil, along with the nimble swing from top to bottom can be realized to the height unevenness on ground, cross the barrier.
Drawings
Fig. 1 is a first schematic structural view of a floating press roll assembly according to the present invention;
fig. 2 is a schematic structural view of a floating press roller assembly according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural view of a stubble ploughing rake assembly including a floating press roller.
In the figure: 1. the device comprises a compression roller, 2, a connecting arm, 3, a cross beam, 4, a connecting rod, 5, a gasket, 6, a hoop, 7, a stop block, 8, a connecting rod swinging plate, 9, a grease nipple, 10, an O-shaped sealing ring, 11, a shaft sleeve, 12, a pin shaft, 13, a clamp spring, 14 and a rack.
Detailed Description
The utility model is further explained by combining with fig. 1-3, as shown in fig. 1, a floating press roller assembly comprises a press roller 1, a suspension bracket and a press roller floating mechanism, wherein the suspension bracket comprises a cross beam 3 and a connecting arm 2, two sides of the cross beam 3 are respectively connected with the connecting arm 2, and the connecting arm 2 is connected with two sides of the press roller 1 through bearings; the compression roller floating mechanism comprises a four-bar structure, the four-bar structure comprises a fixed rack 14, two side link rods 4 and a connecting bar swinging plate 8 connected with the two side link rods, and the lower end of the connecting bar swinging plate 8 is connected with the cross beam 3; the frame 14 is connected to the two side link rods 4 at one end and to the outside at the other end, and as shown in fig. 4, in the stubble ploughing rake assembly including the floating pressing roller assembly, the frame 14 can be fixedly connected to the rake frame.
The connecting rod swing plate 8 lower extreme is directly or indirectly connected with the crossbeam of compression roller mounted frame, in this embodiment, the connecting rod swing plate 8 passes through staple bolt 6 and is connected with the crossbeam, be provided with the shock attenuation glue stick in the staple bolt 6.
As shown in fig. 2 and 3, the side link 4 is close to one end of the compacting roller 1 and is connected with the connecting rod swinging plate 8 through a pin shaft 12, one end of the side link 4 close to the frame 14 is connected with the frame 14 through a pin shaft, a shaft sleeve 11 is arranged between the side link 4 and the pin shaft 12, an O-shaped sealing ring 10 is arranged between the shaft sleeve 11 and the connecting rod swinging plate 8, one end of the pin shaft 12 is provided with a limiting part for preventing the pin shaft from moving axially, such as a snap spring 13 in fig. 3, the other end of the pin shaft 12 is provided with a stopping block 7 for preventing the pin shaft from rotating, and the stopping block 7 is located outside the connecting rod swinging plate 8 or the.
In order to facilitate maintenance of the pin shaft and the shaft sleeve, a grease nipple 9 is further arranged on the pin shaft 12.
The connecting arm is connected with two sides of the press roller through sealed spherical outside bearings, and the sealed maintenance-free spherical outside bearings can be further considered; the spherical outside surface bearing has the self-aligning function, so that the problem that the central shafts on the two sides of the press roller are not concentric in the manufacturing, assembling and using processes of the press roller can be avoided, the probability of the press roller twisting in the using process is reduced, and the farming efficiency is improved; the soil-resistant agent is more durable under the condition of bad soil structure.
The utility model discloses a four-bar linkage structure in the floating press roller component is applicable to the press roller of different structures, the utility model provides a cage type press roller, as shown in figure 1 and figure 2, the cage type press roller comprises a supporting structure which is composed of a plurality of supporting pieces with round outline and arranged side by side, and a press bar arranged on the curved surface of the supporting structure, the press bar is connected with the supporting pieces along the radius direction of the supporting pieces, and the press bar stretches across two sides of the supporting structure; the supporting piece in the middle is in a circular ring shape, and the pressing strip is in a twisted rectangular strip shape.
Claims (8)
1. A floating compression roller assembly comprises a suspension frame and a compression roller, wherein the suspension frame comprises a cross beam, two sides of the cross beam are respectively connected with a connecting arm, and the connecting arms are connected with two sides of the compression roller through bearings; the method is characterized in that: the device comprises a frame, two side link rods, a suspension frame, a compression roller floating mechanism, a four-bar linkage structure, a connecting rod swinging plate and a suspension frame, wherein the compression roller floating mechanism is used for vertically floating a compression roller and comprises the four-bar linkage structure, the four-bar linkage structure comprises the fixed frame, the two side link rods and the connecting rod swinging plate connected with the two side link rods, and the lower end of the connecting rod swinging plate is connected with the suspension frame.
2. The floating press roll assembly of claim 1, wherein: one end of the side link, which is close to the compression roller, is connected with the connecting rod swinging plate through a pin shaft, and one end of the side link, which is close to the rack, is connected with the rack through a pin shaft.
3. The floating press roll assembly of claim 2, wherein: the hinge pin is provided with a first limiting part and a second limiting part, wherein the first limiting part is used for preventing the hinge pin from axially moving, and the second limiting part is used for preventing the hinge pin from rotating.
4. The floating press roll assembly of claim 3, wherein: the first limiting part comprises a clamp spring, and the second limiting part comprises a pin shaft stopping block.
5. The floating press roll assembly of claim 1, wherein: the connecting rod swinging plate is connected with the cross beam through an anchor ear, and a damping rubber rod is arranged in the anchor ear.
6. The floating press roll assembly of claim 1, wherein: the connecting arm with the compression roller both sides are connected through sealed insert bearing.
7. The floating press roll assembly of claim 1, wherein: the compression roller is a cage type compression roller, the cage type compression roller comprises a supporting structure and a pressing strip, the supporting structure is formed by arranging a plurality of supporting pieces with round outlines side by side, the pressing strip is arranged on a curved surface of the supporting structure, the pressing strip is connected with the supporting pieces along the radius direction of the supporting pieces, and the pressing strip stretches across two sides of the supporting structure; the supporting piece in the middle is in a circular ring shape, and the pressing strip is in a twisted rectangular strip shape.
8. A stubble-cleaning harrow is characterized in that: the floating press roll assembly comprises the floating press roll assembly as claimed in any one of claims 1 to 7, wherein the frame is connected with a rake frame of the stubble ploughing rake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021800308.1U CN213548208U (en) | 2020-08-26 | 2020-08-26 | Floating press roller assembly and stubble ploughing rake comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021800308.1U CN213548208U (en) | 2020-08-26 | 2020-08-26 | Floating press roller assembly and stubble ploughing rake comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213548208U true CN213548208U (en) | 2021-06-29 |
Family
ID=76556408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021800308.1U Active CN213548208U (en) | 2020-08-26 | 2020-08-26 | Floating press roller assembly and stubble ploughing rake comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213548208U (en) |
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2020
- 2020-08-26 CN CN202021800308.1U patent/CN213548208U/en active Active
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