CN2925047Y - Straw crusher - Google Patents
Straw crusher Download PDFInfo
- Publication number
- CN2925047Y CN2925047Y CN 200620030759 CN200620030759U CN2925047Y CN 2925047 Y CN2925047 Y CN 2925047Y CN 200620030759 CN200620030759 CN 200620030759 CN 200620030759 U CN200620030759 U CN 200620030759U CN 2925047 Y CN2925047 Y CN 2925047Y
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- output shaft
- casing
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- shaft
- moving knife
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Abstract
The utility model relates to a straw crushing device comprising a transmission box, which comprises a box body, a power input shaft and an output shaft rotating vertically. The power input shaft drives the output shaft through a gear. On the output shaft, a movable knife is mounted. On the movable knife, two or more rotary blades cutting transversally are mounted outward at radial direction of the output shaft. The rotary blades are arranged in helical ladder shape in the axial direction of the output shaft. At the side near to the movable knife, a fixed knife is provided. At positions on the fixed knife corresponding to each rotary blade, slots are provided for the rotary blades to rotate in and out. The output shaft is in certain angle with the vertical line. The rotary blades cut continuously in transversal direction straws, the cutting resistance is obviously reduced, and the cutting power consumption is greatly reduced. The oblique output shaft makes the points of the rotary blades of the movable knife tilt downward. At operation, the rotary blades at lower part will cut deep under the ground, and the rotary blades at upper part will crush the straws on ground, so the straw crushing and the stubble cleaning are carried out simultaneously. The utility model is of a simple structure as a whole, and easy to install.
Description
Technical field
The utility model relates to the straw millstone that uses in a kind of maize harvesting machine or the straw cutting apparatus.
Background technology
When finishing harvest corn, the various places peasant is different according to demand, need or pulverize straw chopping and returning to collect or whole strain is cut down, finishes these tasks and need dispose different farm machinery.With regard to the straw comminution process, mainly be to adopt dual mode to finish at present, a kind of maize harvesting machine that is to use carries out in harvesting corn, a kind of is with not carrying out with re-using return straw into soil machine after the maize harvesting machine of the chopping and returning device results, and though which kind of mode all from not the straw reducing mechanism.
Crushing part in traditional straw millstone adopts hammer pawl formula or Y shape cutter formula more, and the cutting edge of these two kinds of crushing parts is all more blunt, stalk can only be smashed or tear up, rather than cutting, so power consumption is bigger; Another kind is to adopt horizontal hobboing cutter mode, promptly adorn the mode of roll blade at horizontal rotating shaft upper edge axial screw line cloth, this mode can produce a plurality of sections in the moment of cutting off, promptly have and many roll blade is arrived stalk simultaneously, and be to shred stalk in the mode of planing along the direction of straw fiber, produced bigger cut-out resistance, so power consumption is also very big; Simultaneously, for above-mentioned reasons, the crushing part of these frame modes all can not fast rotational, causes the chopping length of straw longer, about 15cm; In addition crushing part when work overhead nearer, occur easily beating native phenomenon, make equipment produce vibration, its rotating speed also further reduces, thus occur crushed stalk not thoroughly, pulverizing is of poor quality, directly influenced field effect.In addition, the reducing mechanism of above-mentioned two kinds of structures generally can only be pulverized the overhead stalk of certain altitude, stubble height is higher, in a single day cutter buries and impacts the root stubble, power consumption will rise suddenly, so the straw reducing mechanism is subjected to the restriction of its hitching machinery power, can not once finish two operations of crushed stalk and stubble-cleaning, if do not carry out the stubble-cleaning operation, will influence sowing, the growth of following batch crops again.
At the problems referred to above, Chinese patent ZL 96248334.6 discloses a kind of return straw into soil machine, comprise gear-box, get rid of the pulverizing part that rotor and stationary knife form and be installed in the stubble-cleaning part of forming by stubble-cleaning tulwar, the flat cutter of stubble-cleaning and stubble-cleaning stationary knife of pulverizing the part bottom by moving knife, gear-box has two vertical shafts, and the tool rest that moving knife gets rid of rotor ladder in the shape of a spiral intersects layout thereon with staggering.The rotor crushed straw is got rid of in this field-returning machine utilization, stubble-cleaning tulwar peace cutter carries out stubble-cleaning, basically the problems referred to above have been solved, but it must adopt pulverizing and stubble-cleaning two cover cutter cooperatings just can finish pulverizing, stubble-cleaning function, chopping and returning apparatus structure complexity, tool category are many, produce install and later maintenance all inconvenient.
The utility model content
The purpose of this utility model is to provide a kind of straw millstone that only utilizes crushing knife tool just can finish straw pulverizing and stubble-cleaning operation simultaneously.
To achieve these goals, the technical solution of the utility model is to have adopted a kind of straw millstone, comprise gearbox, gearbox comprises casing, the output shaft of power input shaft and vertical rotating, power input shaft drives output shaft by gear drive, moving knife is installed on the output shaft, radially outward being provided with more than two or two of moving knife upper edge output shaft, the rotary-cut sheet of crosscut, the rotary-cut sheet is echelon arrangement in the shape of a spiral on the axis direction of output shaft, one side of contiguous moving knife is provided with stationary knife, the position of corresponding each rotary-cut sheet is equipped with the cutter groove that is used for the spinning in and out of rotary-cut sheet on the stationary knife, and output shaft and vertical line are an angle.
Described moving knife comprises cylindric or has the column cutter hub of just polygon rib, and echelon is uniform in the shape of a spiral at the cutter hub outer surface for described rotary-cut sheet, and all rotary-cut sheets are distributed on the closed circular in the projection on the cutter hub cross section.
Casing is provided with a horizontal drive shaft, the two ends of this power transmission shaft are stretched out casing, are penetrated in the auxiliary box body of being located at the casing both sides, described output shaft has two, be installed on the auxiliary box body respectively parallel to each other, power input shaft drives power transmission shaft by gear drive, and power transmission shaft drives corresponding output shaft respectively by the bevel gear of being located at its two ends; On two output shafts moving knife is housed all, described stationary knife is packed on the auxiliary box body, and the part that has the cutter groove on the stationary knife is between two moving knife, and the both sides of relative two moving knife are equipped with the cutter groove on the stationary knife; Also being provided with between auxiliary box body and casing and making output shaft is the angle-adjusting mechanism that the center can rotate to an angle with the power transmission shaft.
Described angle-adjusting mechanism is the location axle sleeve that one one end has flange, and an end and the casing of location axle sleeve connect firmly, and the other end and auxiliary box body connect firmly, and it is oval arc installing hole that the locating shaft cover has the installing hole that is used to connect firmly on the end of flange.
The upper end of casing is provided with engaging lug, and casing is stretched out at the two ends of power input shaft, but casing moving power power shaft rotates.Pass through splined between moving knife and the output shaft.
The utility model adopts the moving knife of vertical rotating, and arranges that with cocke-stair the mode of rotary-cut sheet imposes continuous crosscut to straw, cuts off resistance and obviously reduces, and cuts off power consumption and greatly reduces; The output shaft that tilts makes the point of a knife of moving knife rotary-cut sheet downward-sloping, like this when work, be in following rotary-cut sheet and just can in depth implement cutting to the straw root down, and the rotary-cut sheet of top is pulverized the ground straw, realized only using moving knife just can finish the purpose of straw pulverizing and stubble-cleaning operation simultaneously, overall structure is simple, and is easy for installation.
Moving knife adopts column cutter hub and uniform on it along the spiral echelon with the rotary-cut sheet, and the rotary-cut sheet is distributed on the closed circular in the projection on the cutter hub cross section, guaranteed moment to have only a slice rotary-cut sheet cutting once each cutting moving knife, make moving knife in rotary course, bear load balancing and greatly reduce, thereby can improve the rotating speed of moving knife, reduce the chopping length of straw, the shortest 4cm that reaches of chopping stalk, field effect is very remarkable, and operating efficiency also increases substantially simultaneously.Adopt the gearbox transferring power, can make the structure of reducing mechanism compact more, power transmission is convenient directly, and it is closed lubricated to use machine oil to carry out simultaneously, and transmission is in the good working environment, prolongs its working life.Adopt the splined mode between moving knife and output shaft, made things convenient for user's loading and unloading and maintenance.Straw millstone can be connected with tractor by the two ends that its power shaft stretches out gearbox body, and adopt with gearbox around the mode of its power shaft rotation moving knife that rises and falls, in the process of rising and falling, the centre-to-centre spacing of power shaft and gear box of tractor belt pulley remains constant, has guaranteed that its driving belt can not come off, use very convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the C-C profile of part 10 among Fig. 1.
Embodiment
Straw reducing mechanism shown in Fig. 1,2,3 comprises gearbox, moving knife 7 and stationary knife 9, gearbox comprises casing 1, power input shaft 2, power transmission shaft 4, power input shaft 2 laterally is threaded onto the top of casing 1, power transmission shaft 4 is installed in the bottom of casing 1, and it is parallel with power input shaft 2, casing 1 is stretched out at the two ends of power transmission shaft 4, penetrate in the auxiliary box body 5 of being located at the casing both sides, on two auxiliary box bodies vertical output shaft 6 parallel to each other is housed respectively, the output of two output shafts 6 all is equipped with moving knife 7, passes through splined between moving knife 7 and the output shaft 6; Power input shaft 2 drives power transmission shaft 4 by gear drive, and power transmission shaft 4 drives corresponding output shaft 6 respectively by the bevel gear of being located at its two ends again, and output shaft 6 drives moving knife 7 high speed rotating.
Also being provided with between auxiliary box body 5 and casing 1 and making output shaft 6 is the angle-adjusting mechanism that the center can rotate to an angle with power transmission shaft 4, this angle-adjusting mechanism is the location axle sleeve 10 that one one end has flange, an end and auxiliary box body 5 that location axle sleeve 10 has flange connect firmly, the other end and casing 1 connect firmly, the installing hole that is used on the axle sleeve 10 of location connecting firmly with auxiliary box body 5 is oval arc installing hole (seeing shown in Figure 4) uniform on same circumference, this hole is used to adjust auxiliary box body 5 and moving knife 7, the angle of inclination of stationary knife 9 relative casings 1, purpose is to make moving knife axis and ground form certain angle, make the point of a knife of a moving knife rotary-cut sheet bottom be lower than cutter hub certain altitude (see figure 3), the rotary-cut sheet of bottom can in depth be implemented cutting down during work, thereby realize the straw pulverizing, carrying out synchronously of stubble-cleaning operation, stubble-cleaning is thorough, helps the sowing of following batch crops, growth.Moving knife can be chopped it off at the underground 1-5cm of straw root place.
Moving knife 7 comprises cylindric cutter hub, and from top to bottom along the uniform rotary-cut sheet 8 of helix echelon, and the rotary-cut sheet all is provided with along the cutter hub radial direction on the cutter hub face of cylinder, to realize the crosscut function; In order to guarantee moving knife stress equalization in the course of the work, all rotary-cut sheets preferably are distributed on the closed circular in the projection on the cutter hub cross section; In addition, cutter hub also can be designed to have the column cutter hub of just polygon rib, at this moment in order to make all rotary-cut sheets have consistent cut coverage and moving knife in rotary course, to keep balance, the rotary-cut sheet should be distributed on the same face of cylinder, and satisfies two uniform requirements of above-mentioned cylindric cutter hub rotary-cut sheet simultaneously.Stationary knife 9 is installed on the auxiliary box body 5, the stationary knife tool rest is located between two moving knife along the moving knife axial direction, be equipped with the cutter groove that is used for the spinning in and out of rotary-cut sheet in the relevant position of each rotary-cut sheet on the both sides of stationary knife 9 relative two moving knife, the ledger-plate that cooperates the realization cutting with moving knife is housed on the cutter groove.When practical application, if do not need crushing straw, but only stalk is cut off, on cutter hub, preferably in the bottom of cutter hub or the lower end rotary-cut sheet is installed can be achieved the goal.
The utility model in actual use, should there be other pulling equipments and power source supporting with it, such as being installed on the tractor, straw millstone can be by being located at casing upper end two engaging lugs 11 and power input shaft 2 stretches out the two ends of casing and the frame 13 of tractor couples together, between the frame of engaging lug 11 and tractor, hydraulic jack 12 can also be installed, the oil-in of jack 12 and control valve are connected with the hydraulic system of tractor, and control valve can be installed on the control handwheel of tractor.The engine of tractor drives the moving knife rotation, along with moving ahead of tractor finished crushed stalk, stubble-cleaning operation by the power input shaft of belt transmission driving straw millstone; When comminution process is finished, connect control valve, jack is ejected, driving casing 1 moving power power shaft 2 by the connection ear 11 of being located at casing 1 top rotates, when going to certain angle, moving knife 7 just rises enough height, just can avoid moving knife 7 to be damaged in the normal traveling process of tractor.
Claims (6)
1. straw millstone, comprise gearbox, gearbox comprises the output shaft of casing, power input shaft and vertical rotating, power input shaft drives output shaft by gear drive, moving knife is installed on the output shaft, the radial direction of moving knife upper edge output shaft is provided with rotary-cut sheet more than two or two, crosscut, the rotary-cut sheet is echelon arrangement in the shape of a spiral on the axis direction of output shaft, one side of contiguous moving knife is provided with stationary knife, the position of corresponding each rotary-cut sheet is equipped with the cutter groove that is used for the spinning in and out of rotary-cut sheet on the stationary knife, it is characterized in that: output shaft and vertical line are an angle.
2. straw millstone according to claim 1, it is characterized in that: described moving knife comprises cylindric or has the column cutter hub of just polygon rib, echelon is uniform in the shape of a spiral at the cutter hub outer surface for described rotary-cut sheet, and all rotary-cut sheets are distributed on the closed circular in the projection on the cutter hub cross section.
3. straw millstone according to claim 1 and 2, it is characterized in that: casing is provided with a horizontal drive shaft, the two ends of this power transmission shaft are stretched out casing, are penetrated in the auxiliary box body of being located at the casing both sides, described output shaft has two, be installed on the auxiliary box body respectively parallel to each other, power input shaft drives power transmission shaft by gear drive, and power transmission shaft drives corresponding output shaft respectively by the bevel gear of being located at its two ends; On two output shafts moving knife is housed all, described stationary knife is packed on the auxiliary box body, and the part that has the cutter groove on the stationary knife is between two moving knife, and the both sides of relative two moving knife are equipped with the cutter groove on the stationary knife; Also being provided with between auxiliary box body and casing and making output shaft is the angle-adjusting mechanism that the center can rotate to an angle with the power transmission shaft.
4. straw millstone according to claim 3, it is characterized in that: described angle-adjusting mechanism is the location axle sleeve that one one end has flange, one end and the casing of location axle sleeve connect firmly, the other end and auxiliary box body connect firmly, and it is oval arc installing hole that the locating shaft cover has the installing hole that is used to connect firmly on the end of flange.
5. straw millstone according to claim 3 is characterized in that: the upper end of casing is provided with engaging lug, and casing is stretched out at the two ends of power input shaft, but casing moving power power shaft rotates.
6. straw millstone according to claim 3 is characterized in that: pass through splined between moving knife and the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620030759 CN2925047Y (en) | 2006-07-20 | 2006-07-20 | Straw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620030759 CN2925047Y (en) | 2006-07-20 | 2006-07-20 | Straw crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2925047Y true CN2925047Y (en) | 2007-07-25 |
Family
ID=38279264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620030759 Expired - Fee Related CN2925047Y (en) | 2006-07-20 | 2006-07-20 | Straw crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2925047Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937508A (en) * | 2020-07-17 | 2020-11-17 | 李钦然 | Greenhouse crop is planted with cleaning cycle device that changes season |
| CN112715137A (en) * | 2020-12-25 | 2021-04-30 | 海南大学 | Radial guide wheel type banana straw smashing and returning machine |
-
2006
- 2006-07-20 CN CN 200620030759 patent/CN2925047Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937508A (en) * | 2020-07-17 | 2020-11-17 | 李钦然 | Greenhouse crop is planted with cleaning cycle device that changes season |
| CN112715137A (en) * | 2020-12-25 | 2021-04-30 | 海南大学 | Radial guide wheel type banana straw smashing and returning machine |
| CN112715137B (en) * | 2020-12-25 | 2021-12-03 | 海南大学 | Radial guide wheel type banana straw smashing and returning machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20100720 |