CN211671384U - Harvester lower cutting knife device with buffer structure - Google Patents
Harvester lower cutting knife device with buffer structure Download PDFInfo
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- CN211671384U CN211671384U CN202020120624.8U CN202020120624U CN211671384U CN 211671384 U CN211671384 U CN 211671384U CN 202020120624 U CN202020120624 U CN 202020120624U CN 211671384 U CN211671384 U CN 211671384U
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- harvester
- arm
- dashpot
- sliding
- cutting knife
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Abstract
The utility model belongs to the harvester field especially relates to a cutting knife device under harvester with buffer structure, including the harvester body, the base is installed to the bottom of harvester body, and the dashpot has been seted up to one side of base, and movable mounting has in the dashpot reaps the arm, and the one end of reaping the arm extends to outside the dashpot, and installs down the cutting knife, reap the one end rotation that the arm is located the dashpot and install the connecting rod that sets up along the horizontal direction, the one end fixed mounting that the arm was reaped was kept away from to the connecting rod has a pin, and the one end fixed mounting that the connecting rod was kept away from to the pin has semicircular block, one side that the pin was kept away from to the semicircular block is. The utility model discloses can be convenient for carry out effectual buffering to the lower cutter, simultaneously, when the lower cutter atress is great, can will reap the arm and receive in the dashpot, prevent that the lower cutter from damaging.
Description
Technical Field
The utility model relates to a harvester technical field especially relates to a cutting knife device under harvester with buffer structure.
Background
The lower cutting knife device of the harvester is mainly used for cutting stems or roots of crops. Generally, the lower cutting knife device of the harvester is lifted by an independent lifting device, and the cutting table of the harvester is lifted by another set of hydraulic lifting device.
The patent application No. 201310434969.5 discloses a manual lifting device for a lower cutter. The lifter is characterized in that a gear shaft is fixed on the header, the lifter is arranged on the conveying groove, the lower cutter is connected with the gear shaft through a rope, and the gear is connected with the gear shaft through a chain. In the invention, the lower cutting knife is taken as power by rotating the upper bent handle of the lifter, and the lifting of the lower cutting knife is finally realized. According to the invention, the lifting of the lower cutting knife can be independently controlled according to the requirement, the collision is effectively avoided, the optimal harvesting is realized, the cost is low, and the operation is very easy. However, the lower cutter of the device has no buffer effect in use, is easy to damage by receiving large impact force in use, and has limitation in use.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a lower cutting knife device of a harvester with a buffer structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cutting knife device under harvester with buffer structure, includes the harvester body, the base is installed to the bottom of harvester body, and the dashpot has been seted up to one side of base, and movable mounting has the arm of reaping in the dashpot, and the one end of reaping the arm extends to outside the dashpot, and installs the cutting knife down, the one end of reaping the arm and being located the dashpot rotates installs the connecting rod that sets up along the horizontal direction, and the one end fixed mounting that reaps the arm is kept away from to the connecting rod has a pin, and the one end fixed mounting that the connecting rod was kept away from to the pin has a semicircle piece, one side that the pin was kept away from to the semicircle piece is equipped with movable mounting's baffle in the dashpot, and one side fixed mounting that the semicircle piece was kept away.
Preferably, all seted up the sliding tray along vertical direction on the both sides inner wall of dashpot, slidable mounting has the sliding block in the sliding tray, and fixed mounting has the runner on the sliding block, and the runner rotates to be installed on reaping the arm.
Preferably, the sliding hole has been seted up along vertical direction on the top side inner wall of dashpot, and slidable mounting has the gag lever post in the sliding hole, and in the bottom of gag lever post extended to the dashpot, and one side that the bottom of gag lever post is close to the semicircle piece was the inclined plane setting, and the top of gag lever post extended to the top of base, and fixed mounting has the movable block.
Preferably, the bottom side of the movable block is fixedly provided with a second spring sleeved on the limiting rod, and the bottom end of the second spring is fixedly arranged on the top of the base.
Preferably, the inner walls of the two sides of the sliding hole are provided with sliding grooves, the sliding grooves are internally and slidably provided with sliding blocks, the sliding blocks are fixedly arranged on the limiting rods, the inner wall of the sliding hole is annularly provided with an annular groove, the annular groove is communicated with the sliding grooves, and the annular groove is matched with the sliding blocks.
In the utility model, the harvester lower cutting knife device with the buffer structure is provided with the buffer groove, the sliding block, the rotating wheel, the thin rod, the semicircular block, the baffle and the first spring, so that when the lower cutting knife is collided, the harvesting arm slides in the buffer groove, the harvesting arm drives the thin rod and the semicircular block to extrude the baffle, and the baffle extrudes the first spring, thereby effectively buffering;
the harvester is characterized in that the harvester is provided with a sliding hole, a limiting rod, a movable block, a second spring, a sliding chute, an annular groove and a sliding block, so that when the collision force is large, the semicircular block is in contact with the inclined surface of the limiting rod, the limiting rod moves between the connecting rod and the semicircular block, the vertical edge of the limiting rod is in contact with the vertical edge of the semicircular block, the harvesting arm can be effectively prevented from popping out, when the harvesting arm needs to pop out, the movable block is rotated, the movable block drives the second spring and the limiting rod to rotate on the annular groove, the inclined surface of the limiting rod is in contact with the vertical surface of the semicircular block, and the harvesting arm is popped out by the acting force of the first spring;
the utility model discloses can be convenient for carry out effectual buffering to the lower cutter, simultaneously, when the lower cutter atress is great, can will reap the arm and receive in the dashpot, prevent that the lower cutter from damaging.
Drawings
Fig. 1 is a schematic structural view of a lower cutting knife device of a harvester with a buffering structure provided by the utility model;
fig. 2 is a schematic structural view of a lower cutting knife device of a harvester with a buffering structure provided by the utility model;
fig. 3 is a schematic structural view of a lower cutting knife device of a harvester with a buffering structure provided by the utility model;
fig. 4 is a schematic structural diagram of a lower cutting knife device of a harvester with a buffering structure provided by the utility model.
In the figure: the harvester comprises a harvester body 1, a harvesting arm 2, a lower cutting knife 3, a base 4, a buffer groove 5, a sliding groove 6, a sliding block 7, a rotating wheel 8, a thin rod 9, a semicircular block 10, a baffle 11, a first spring 12, a sliding hole 13, a limiting rod 14, a movable block 15, a second spring 16, a sliding groove 17, an annular groove 18 and a sliding block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, a lower cutter device of a harvester with a buffer structure comprises a harvester body 1, a base 4 is installed at the bottom of the harvester body 1, a buffer slot 5 is formed in one side of the base 4, a harvesting arm 2 is movably installed in the buffer slot 5, one end of the harvesting arm 2 extends out of the buffer slot 5 and is provided with a lower cutter 3, a connecting rod arranged along the horizontal direction is rotatably installed at one end of the harvesting arm 2 positioned in the buffer slot 5, a thin rod 9 is fixedly installed at one end of the connecting rod far away from the harvesting arm 2, a semicircular block 10 is fixedly installed at one end of the thin rod 9 far away from the connecting rod, a baffle 11 movably installed in the buffer slot 5 is arranged at one side of the semicircular block 10 far away from the thin rod 9, one end of a first spring 12 is fixedly installed at one side of the baffle 11 far away from the semicircular block 10, and the other end of, when lower cutting knife 3 receives the collision for reaping arm 2 and sliding in buffer slot 5, reaping arm 2 drives pin 9 and semicircle piece 10 and extrudes baffle 11, and baffle 11 extrudes first spring 12, can effectually cushion.
In the utility model, the inner walls of two sides of the buffer groove 5 are both provided with a sliding groove 6 along the vertical direction, the sliding groove 6 is internally provided with a sliding block 7, the sliding block 7 is fixedly provided with a rotating wheel 8, the rotating wheel 8 is rotatably arranged on the harvesting arm 2, the inner wall of the top side of the buffer groove 5 is provided with a sliding hole 13 along the vertical direction, the sliding hole 13 is internally provided with a limiting rod 14, the bottom end of the limiting rod 14 extends into the buffer groove 5, one side of the bottom end of the limiting rod 14 close to the semicircular block 10 is arranged in an inclined plane, the top end of the limiting rod 14 extends to the upper part of the base 4 and is fixedly provided with a movable block 15, the bottom side of the movable block 15 is fixedly provided with a second spring 16 sleeved on the limiting rod 14, the bottom end of the second spring 16 is fixedly arranged on the top part of the base 4, the inner walls of two sides of, slider 19 fixed mounting is on gag lever post 14, annular groove 18 has been seted up to the ring shape on the inner wall of slide opening 13, annular groove 18 is linked together with spout 17, and annular groove 18 and slider 19 looks adaptation, when the impact that receives is great, semicircle piece 10 and gag lever post 14's inclined plane contact, gag lever post 14 removes between connecting rod and the semicircle piece 10, the vertical limit of gag lever post 14 and the vertical limit contact of semicircle piece 10, can effectually prevent to reap arm 2 and pop out and go, when needs will reap arm 2 and pop out, rotatory movable block 15, movable block 15 drives second spring 16 and gag lever post 14 and rotates on annular groove 18, the inclined plane with gag lever post 14 and the vertical face contact of semicircle piece 10, the effort of first spring 12 will reap arm 2 and pop out.
Example two
Referring to fig. 1-4, a lower cutter device of a harvester with a buffer structure comprises a harvester body 1, a base 4 is arranged at the bottom of the harvester body 1, a buffer groove 5 is arranged at one side of the base 4, a harvesting arm 2 is movably arranged in the buffer groove 5, one end of the harvesting arm 2 extends out of the buffer groove 5, and install lower cutting knife 3, the one end that reaps arm 2 and be located dashpot 5 rotates installs the connecting rod that sets up along the horizontal direction, the one end fixed weld that reaps arm 2 is kept away from to the connecting rod has pin 9, the one end fixed weld that connecting rod was kept away from to pin 9 has semicircle piece 10, one side that thin rod 9 was kept away from to semicircle piece 10 is equipped with movable mounting's baffle 11 in dashpot 5, one side fixed weld that semicircle piece 10 was kept away from to baffle 11 has the one end of first spring 12, the other end fixed weld of first spring 12 is on the inner wall of dashpot 5.
The utility model discloses in, sliding tray 6 has all been seted up along vertical direction on the both sides inner wall of dashpot 5, sliding tray 6 slidable mounting has sliding block 7, fixed welding has runner 8 on sliding block 7, and runner 8 rotates and installs on reaping arm 2, runner 8 is convenient for reap arm 2 and shifts out and can incline the setting after dashpot 5, the threaded hole is seted up at the top of base 4, threaded hole internally thread installs fastening bolt, fastening bolt's bottom and the top looks adaptation of reaping arm 2.
The utility model discloses in, sliding hole 13 has been seted up along vertical direction on the top side inner wall of dashpot 5, slidable mounting has gag lever post 14 in sliding hole 13, gag lever post 14's bottom extends to in the dashpot 5, and one side that the bottom of gag lever post 14 is close to semicircle piece 10 is the inclined plane setting, gag lever post 14's top extends to base 4's top, and fixed welding has movable block 15, one side that the bottom of gag lever post 14 is close to semicircle piece 10 is convenient for with semicircle piece 10 looks adaptation for the inclined plane setting.
The utility model discloses in, the fixed welding of bottom side of movable block 15 has the second spring 16 of cup jointing on gag lever post 14, and the bottom fixed welding of second spring 16 is on the top of base 4, and second spring 16 is convenient for drive gag lever post 14 and extends to buffer slot 5 always in, and simultaneously, the gag lever post 14 of being convenient for resets after rotating.
The utility model discloses in, all seted up spout 17 on the both sides inner wall of sliding hole 13, sliding mounting has slider 19 in spout 17, and 19 fixed welding of slider are on gag lever post 14, and ring channel 18 has been seted up to the ring shape on the inner wall of sliding hole 13, and ring channel 18 is linked together with spout 17, and ring channel 18 and 19 looks adaptations of slider, and ring channel 18 is convenient for make gag lever post 14 rotate.
The utility model discloses in, the theory of operation, when lower cutting knife 3 receives the collision, make reap arm 2 and slide in buffer slot 5, reap arm 2 and drive slender pole 9 and semicircle piece 10 extrusion baffle 11, baffle 11 extrudees first spring 12, can effectually cushion, when the impact that receives is great, semicircle piece 10 and the inclined plane contact of gag lever post 14, gag lever post 14 removes between connecting rod and semicircle piece 10, the vertical limit of gag lever post 14 and the vertical limit contact of semicircle piece 10, can effectually prevent to reap arm 2 and pop out and go, when needs will reap arm 2 and pop out, rotatory movable block 15, movable block 15 drives second spring 16 and gag lever post 14 and rotates on ring channel 18, with the inclined plane of gag lever post 14 and the vertical face contact of semicircle piece 10, the effort of first spring 12 will reap arm 2 and pop out.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A cutter device under harvester with buffer structure, includes harvester body (1), its characterized in that, base (4) is installed to the bottom of harvester body (1), dashpot (5) have been seted up to one side of base (4), movable mounting has reaps arm (2) in dashpot (5), the one end of reaping arm (2) extends outside dashpot (5), and installs down cutter (3), reap the one end rotation that arm (2) is located dashpot (5) and install the connecting rod that sets up along the horizontal direction, the one end fixed mounting that reaps arm (2) is kept away from to the connecting rod has slender pole (9), the one end fixed mounting that slender pole (9) kept away from the connecting rod has semicircle piece (10), one side that thin pole (9) was kept away from to semicircle piece (10) is equipped with movable mounting baffle (11) in dashpot (5), one side fixed mounting that semicircle piece (10) was kept away from to baffle (11) has the one end of first spring (12), the other end of the first spring (12) is fixedly arranged on the inner wall of the buffer groove (5).
2. The lower cutting knife device with the buffering structure for the harvester is characterized in that sliding grooves (6) are formed in the inner walls of two sides of the buffering groove (5) in the vertical direction, sliding blocks (7) are installed in the sliding grooves (6) in a sliding mode, rotating wheels (8) are fixedly installed on the sliding blocks (7), and the rotating wheels (8) are rotatably installed on the harvesting arms (2).
3. The lower cutting knife device with the buffering structure for the harvester according to claim 1, wherein a sliding hole (13) is formed in the inner wall of the top side of the buffering groove (5) in the vertical direction, a limiting rod (14) is slidably mounted in the sliding hole (13), the bottom end of the limiting rod (14) extends into the buffering groove (5), the side, close to the semicircular block (10), of the bottom end of the limiting rod (14) is arranged in an inclined plane, the top end of the limiting rod (14) extends to the upper side of the base (4), and a movable block (15) is fixedly mounted on the top end of the limiting rod.
4. The lower cutting knife device of the harvester with the buffer structure as claimed in claim 3, characterized in that the bottom side of the movable block (15) is fixedly provided with a second spring (16) sleeved on the limit rod (14), and the bottom end of the second spring (16) is fixedly arranged on the top of the base (4).
5. The lower cutting knife device of the harvester with the buffering structure as claimed in claim 3, characterized in that the inner walls of both sides of the sliding hole (13) are provided with sliding grooves (17), the sliding grooves (17) are internally and slidably provided with sliding blocks (19), the sliding blocks (19) are fixedly arranged on the limiting rod (14), the inner wall of the sliding hole (13) is provided with an annular groove (18) in an annular shape, the annular groove (18) is communicated with the sliding grooves (17), and the annular groove (18) is matched with the sliding blocks (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120624.8U CN211671384U (en) | 2020-01-19 | 2020-01-19 | Harvester lower cutting knife device with buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120624.8U CN211671384U (en) | 2020-01-19 | 2020-01-19 | Harvester lower cutting knife device with buffer structure |
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| Publication Number | Publication Date |
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| CN211671384U true CN211671384U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020120624.8U Active CN211671384U (en) | 2020-01-19 | 2020-01-19 | Harvester lower cutting knife device with buffer structure |
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| CN (1) | CN211671384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009217A (en) * | 2021-11-29 | 2022-02-08 | 安徽农业大学 | Inter-plant weeding device based on obstacle avoidance protection |
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2020
- 2020-01-19 CN CN202020120624.8U patent/CN211671384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009217A (en) * | 2021-11-29 | 2022-02-08 | 安徽农业大学 | Inter-plant weeding device based on obstacle avoidance protection |
| CN114009217B (en) * | 2021-11-29 | 2022-10-04 | 安徽农业大学 | Inter-plant weeding device based on obstacle avoidance protection |
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