CN212696754U - Fixed cutter adjusting device for forage crop harvester - Google Patents
Fixed cutter adjusting device for forage crop harvester Download PDFInfo
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- CN212696754U CN212696754U CN202021329634.9U CN202021329634U CN212696754U CN 212696754 U CN212696754 U CN 212696754U CN 202021329634 U CN202021329634 U CN 202021329634U CN 212696754 U CN212696754 U CN 212696754U
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Abstract
The utility model relates to a stationary knife adjusting device for forage grass crop harvester, including the stationary knife seat of installation stationary knife, with the stationary knife seat through pivot axle articulated pivot seat to and drive stationary knife seat around pivot axle pivoted drive arrangement, pivot seat and cylinder backing plate rigid coupling, the pivot axle is parallel with the cylinder axis. The utility model realizes the adjustment of the clearance between the fixed cutter and the movable cutter through the rotation of the fixed cutter seat, breaks through the design mode of immobility of the traditional fixed cutter, thereby solving the problem that the clearance between the movable cutter and the fixed cutter is increased after the hob combination works for a long time, and reducing the power consumption; the chopping quality is obviously improved after the gap is adjusted, and the palatability of the straw chopping section to animals is improved; the labor productivity is improved, the manufacturing cost is low, the operation is simple and easy, and the performance is more stable.
Description
Technical Field
The utility model relates to agricultural machinery and equipment technical field especially involve a stationary knife adjusting device for forage grass crop harvester.
Background
The forage crop harvesting machine is an important carrier and means for developing pasture industrialization, and accelerating the mechanization process of related silage production not only has an important role in animal husbandry, but also has important significance in the aspects of adjusting the industrial structure in China and promoting the income increase of farmers. Forage crop harvesting machinery plays a crucial role in the silage process. The primary condition for ensiling forage grass is to finish crop straw harvesting, chopping and segment conditioning in the field, and then throw the forage grass into a transport vehicle through a throwing device and transport the forage grass to a designated place for storage and ensiling. Forage crop harvesting machinery is divided into three types, namely a self-propelled type, a traction type and a suspension type according to a matching mode with a tractor.
The big main problem that present forage grass crop harvester garrulous cylinder exists is exactly that long-time work often can cause the clearance increase between moving sword and the stationary knife, carries out too big clearance of during operation again and not only can make the quality of cutting up descend, still can increase the consumption, extravagant manpower and materials financial resources.
As far as now, agricultural and scientific companies are also studying forage crop harvesters and their related structures, but there is no particular progress, and the problem of excessive clearance between the moving and stationary blades of a drum-type chopper after long-term operation remains unsolved.
Disclosure of Invention
The utility model discloses to prior art not enough, provide a stationary knife adjusting device for forage grass crop harvester, can move very conveniently, the regulation in stationary knife clearance realizes better cut up quality and energy consumption still less.
The utility model discloses a through following technical scheme realization, provide a stationary knife adjusting device for forage grass crop harvester, including the stationary knife seat of installation stationary knife, with the stationary knife seat through pivot axle articulated pivot seat to and drive stationary knife seat around pivot axle pivoted drive arrangement, pivot seat and cylinder backing plate rigid coupling, the pivot axle is parallel with the cylinder axis.
The driving device drives the fixed cutter seat to rotate, so that the fixed cutter integrally moves close to the roller, the gap between the fixed cutter and the movable cutter on the roller is reduced, the driving device is kept still when the silage is chopped, the fixed cutter is still in a static state, and smooth material cutting is ensured.
Preferably, the fixed cutter seat is fixedly connected with two adjusting rods respectively positioned on the outer side of the roller mounting side plate, the adjusting rods are connected with the driving device, the adjusting rods are provided with supporting rods extending away from the roller, and one ends of the supporting rods, away from the roller, are fixedly connected with the fixed cutter seat. This optimization scheme is through setting up the regulation pole, more conveniently carries out structural arrangement on current equipment, has increased the arm of force of drive arrangement application of force, has reduced the load, through setting up branch, more conveniently adjusts the rotation angle of setting the blade holder.
Preferably, the driving device is a linear motor. According to the optimized scheme, the linear motor is used as the driving device, the structure is simple, the control is convenient, and the continuity of the fixed cutter position adjustment is ensured.
For optimization, the upper end of the adjusting rod is fixedly provided with two opposite ear plates, short shafts parallel to the pivot shaft penetrate through the ear plates, the telescopic ends of the linear motors penetrate through and are fixed on the short shafts along the radial direction, and the fixing parts of the linear motors are hinged with the roller mounting side plates. The connection structure of the adjusting rod and the linear motor is simple, when the telescopic end of the linear motor moves, the short shaft and the lug plate rotate relatively, the linear motor rotates by a certain angle integrally, and smooth completion of movement is guaranteed.
Preferably, the adjusting rod is provided with a friction disk and a fastening bolt, and the fastening bolt penetrates through the adjusting rod and the friction disk and is in threaded connection with the roller mounting side plate. Through the arrangement of the optimized scheme, after the position of the fixed cutter is adjusted, the friction disc is pressed against the adjusting rod by screwing the fastening bolt, so that the adjusting rod is completely fixed in the working process.
Preferably, the fastening bolt is sleeved with a locking spring. This optimization scheme is through setting up locking spring, utilizes locking spring's elasticity increase fastening bolt and the frictional force between its connecting thread, has both avoided the bolt not hard up, plays the cushioning effect again.
Preferably, the pivot seat is fixedly connected with the roller base plate through a fixed cutter base, a through hole is formed in the fixed cutter base, and a pull rod with the upper end hinged with the fixed cutter base penetrates through the through hole. This optimization scheme is through setting up stationary knife base, conveniently sets up the through-hole, through setting up the through-hole and the pull rod of sliding connection in the through-hole, when stationary knife seat removes, drags the stationary knife seat through the pull rod, makes stationary knife seat can only rotate in the pivot seat.
Preferably, the pull rod is connected with the through hole through a compression spring. This optimization scheme is through setting up compression spring, takes place to warp and produce the spring force when compression spring receives the traction force that the pull rod exerted, further draws and holds the stationary knife seat to play certain cushioning effect.
The utility model has the advantages that: the adjustment of the gap between the fixed cutter and the movable cutter is realized through the rotation of the fixed cutter seat, and the traditional design mode that the fixed cutter is immovable is broken through, so that the problem that the gap between the movable cutter and the fixed cutter is increased after the hob combination works for a long time is solved, and the power consumption is reduced; the chopping quality is obviously improved after the gap is adjusted, and the palatability of the straw chopping section to animals is improved; the labor productivity is improved, the manufacturing cost is low, the operation is simple and easy, and the performance is more stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation state of the present invention;
shown in the figure:
1. the rotary cutting machine comprises a fixed cutter base, 2, a fixed cutter base, 3, a fixed cutter, 4, a fastening bolt, 5, a friction disc, 6, a fixing part of a linear motor, 7, the linear motor, 8, a pull rod, 9, a pivoting base, 10, a roller backing plate, 11, a hob combination, 12, a roller mounting side plate, 13 and a roller.
Detailed Description
The related art not described below can be used or used as a reference for the prior art.
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 2, a hob assembly 11 is provided on the existing forage crop harvester for chopping straw, the hob assembly 11 includes a drum 13, a drum mounting side plate 12, and a drum backing plate 10 fixedly connected to the bottom of the drum mounting side plate, a moving knife is mounted on the drum, a hob shaft penetrates through the middle of the drum and drives the drum to rotate, the drum mounting side plate is fixed on the drum backing plate by bolts, and the two drum mounting side plates are respectively located at two sides of the drum.
In order to adjust the gap between the movable knife and the fixed knife, the present embodiment provides a fixed knife adjusting device for a forage crop harvester as shown in fig. 1, which includes a fixed knife seat 2 for mounting the fixed knife 3, a pivoting seat 9 hinged to the bottom of the fixed knife seat 2 through a pivoting shaft, and a driving device for driving the fixed knife seat to rotate around the pivoting shaft, the pivoting seat is fixedly connected to a roller backing plate 10, the pivoting shaft is parallel to the axis of the roller, and the fixed knife is fixedly mounted on the upper surface of the fixed knife seat through a bolt.
Two adjusting rods respectively positioned outside the roller mounting side plate 12 are fixedly connected to the fixed cutter seat, the adjusting rods are connected with the driving device, supporting rods extending away from the roller are arranged on the adjusting rods, and one ends of the supporting rods, away from the roller, are fixedly connected with the fixed cutter seat.
Specifically, the driving device is a linear motor 7, two opposite ear plates are fixedly arranged at the upper end of the adjusting rod, short shafts parallel to the pivot shaft penetrate through the ear plates, the telescopic ends of the linear motor penetrate and are fixed on the short shafts along the radial direction, a fixing part 6 of the linear motor is hinged with the roller mounting side plate, and the two adjusting rods are respectively connected with the linear motor.
In order to further fix the adjusting rod, the friction disc 5 and the fastening bolt 4 are arranged on the adjusting rod, the fastening bolt penetrates through the adjusting rod and the friction disc and is in threaded connection with the roller mounting side plate, and the fastening bolt is sleeved with the anti-loosening spring.
The pivot seat is fixedly connected with the roller base plate through a fixed cutter base 1, the pivot seat is fixedly connected with the fixed cutter base, the fixed cutter base is fixedly connected with the roller base plate, a through hole is formed in the fixed cutter base 1, a pull rod 8 with the upper end hinged with the fixed cutter base penetrates through the through hole, and the pull rod is connected with the through hole through a compression spring.
When the device is used, when the movable blade on the roller is in clearance increase with the fixed blade due to abrasion of the movable blade and materials and sharpening of the sharpening, the linear motor drives the adjusting rod to enable the whole device to be close to the chopping roller, the track of the fixed blade is close to the chopping roller in an approximately linear mode in the adjusting process, the fixed blade seat is pulled by the pull rod to enable the fixed blade seat to rotate only in the pivot seat, the spring in the opening of the fixed blade seat is deformed by the traction force applied by the pull rod to generate spring force, the fixed blade seat is further pulled to enable the fixed blade seat to play a certain damping role, the friction disk is enabled to compress the adjusting rod by the bolt after the adjusting work is completed, the adjusting rod is enabled to be completely fixed in the working process, the damping role can be played by. The device has the characteristics of simple structure, easiness in installation and maintenance, safety, reliability, scientific adjusting mode and the like, and has better practicability and popularization prospect.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a stationary knife adjusting device for forage grass crop harvester which characterized in that: the rotary cutter comprises a fixed cutter seat (2) for mounting a fixed cutter (3), a pivoting seat (9) hinged with the fixed cutter seat (2) through a pivoting shaft, and a driving device for driving the fixed cutter seat to rotate around the pivoting shaft, wherein the pivoting seat is fixedly connected with a roller base plate (10), and the pivoting shaft is parallel to the axis of a roller.
2. The dead knife adjustment device for a forage crop harvester as claimed in claim 1 wherein: two adjusting rods respectively positioned on the outer sides of the roller mounting side plates (12) are fixedly connected to the fixed cutter seat, the adjusting rods are connected with a driving device, supporting rods extending away from the roller are arranged on the adjusting rods, and one ends of the supporting rods, away from the roller, are fixedly connected with the fixed cutter seat.
3. The dead knife adjustment device for a forage crop harvester as claimed in claim 2 wherein: the driving device is a linear motor (7).
4. A dead knife adjustment device for a forage crop harvester as claimed in claim 3 wherein: two opposite ear plates are fixedly arranged at the upper end of the adjusting rod, a short shaft parallel to the pivot shaft penetrates through the ear plates, the telescopic end of the linear motor penetrates through and is fixed on the short shaft along the radial direction, and the fixing part of the linear motor is hinged with the roller mounting side plate.
5. The dead knife adjustment device for a forage crop harvester as claimed in claim 2 wherein: and the adjusting rod is provided with a friction disk (5) and a fastening bolt (4), and the fastening bolt penetrates through the adjusting rod and the friction disk and is in threaded connection with the roller mounting side plate.
6. The dead knife adjustment device for a forage crop harvester as claimed in claim 5 wherein: and the fastening bolt is sleeved with a locking spring.
7. The dead knife adjustment device for a forage crop harvester as claimed in claim 1 wherein: the pivot seat is fixedly connected with the roller base plate through a fixed cutter base (1), a through hole is formed in the fixed cutter base (1), and a pull rod (8) with the upper end hinged with the fixed cutter base penetrates through the through hole.
8. The dead knife adjustment device for a forage crop harvester as claimed in claim 7 wherein: the pull rod is connected with the through hole through a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329634.9U CN212696754U (en) | 2020-07-09 | 2020-07-09 | Fixed cutter adjusting device for forage crop harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329634.9U CN212696754U (en) | 2020-07-09 | 2020-07-09 | Fixed cutter adjusting device for forage crop harvester |
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| Publication Number | Publication Date |
|---|---|
| CN212696754U true CN212696754U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021329634.9U Active CN212696754U (en) | 2020-07-09 | 2020-07-09 | Fixed cutter adjusting device for forage crop harvester |
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| CN (1) | CN212696754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115191246A (en) * | 2022-08-16 | 2022-10-18 | 中机美诺科技股份有限公司 | Automatic adjusting device for gap between movable fixed cutter and fixed cutter of feed harvester |
| CN116586159A (en) * | 2023-05-30 | 2023-08-15 | 新疆新研牧神科技有限公司 | Movable knife clearance adjusting mechanism for chopper and chopper |
-
2020
- 2020-07-09 CN CN202021329634.9U patent/CN212696754U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115191246A (en) * | 2022-08-16 | 2022-10-18 | 中机美诺科技股份有限公司 | Automatic adjusting device for gap between movable fixed cutter and fixed cutter of feed harvester |
| CN115191246B (en) * | 2022-08-16 | 2023-12-15 | 中机美诺科技股份有限公司 | Automatic adjusting device for movable fixed knife gap of feed harvester |
| CN116586159A (en) * | 2023-05-30 | 2023-08-15 | 新疆新研牧神科技有限公司 | Movable knife clearance adjusting mechanism for chopper and chopper |
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