CN202385462U - Tillage-leakage eliminating device for centrally-driven micro rototillers - Google Patents
Tillage-leakage eliminating device for centrally-driven micro rototillers Download PDFInfo
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- CN202385462U CN202385462U CN2012200064724U CN201220006472U CN202385462U CN 202385462 U CN202385462 U CN 202385462U CN 2012200064724 U CN2012200064724 U CN 2012200064724U CN 201220006472 U CN201220006472 U CN 201220006472U CN 202385462 U CN202385462 U CN 202385462U
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Abstract
The utility model discloses a tillage-leakage eliminating device for centrally-driven micro rototillers, which comprises a central drive box, a rotary-blade drive shaft and a vertical-blade rotary tillage mechanism, wherein the vertical-blade rotary tillage mechanism is composed of a tool apron and a rotary blade arranged on the tool apron, and a connecting arm of the rotary blade is perpendicular to a central axis of the rotary-blade drive shaft; the tillage-leakage eliminating device is also provided with a deflection-blade rotary tillage mechanism; and the deflection-blade rotary tillage mechanism is arranged between the central drive box and the vertical-blade rotary tillage mechanism. According to the device, the original central drive structure is not changed, an auxiliary power mechanism is not required to be added, but only a deflection-blade rotary tillage mechanism with a certain angle formed between a rotating axis and an axis of a drive shaft is added, thereby eliminating a tillage-leakage phenomenon, and improving the working efficiency of a rototiller. Tests show that: when an inclined angle between the rotating axis of the deflection-blade rotary tillage mechanism and a rotating axis of the original drive shaft is 5-10 degrees, the tillage leakage can be completely eliminated; and at the angle, the load exerted on the deflection-blade rotary tillage mechanism is the most reasonable, and the application effect is better.
Description
Technical field
The utility model relates to a kind of central transmission miniature rotary cultivator, especially relates to a kind of central transmission miniature rotary cultivator and eliminates the device of balking.
Background technology
At present; The rotovator kind of drive that comes into operation both at home and abroad mainly contains two kinds of side transmission and central transmissions; The rotovator drive path of side transmission is long, driving parts is many and complex structure, and working width can not be adjusted, and cutter shaft two ends moment of torsion differs bigger simultaneously; Cause cutter shaft torsional deflection amount bigger, thereby can't promote the use of in the mini-size tillage machine field.Existing miniature rotary cultivator all adopts central driving type.But the greatest problem of central transmission is the transmission case body that drive disk assembly is installed must be positioned at rotary ploughing cutter shaft central authorities; The bigger transverse width that occupies; Below transmission case, the rotary tillage cutter can't be installed; Thereby also can't carry out the rotary tillage operation, and forming the area of balking, this is unallowed in the agricultural planting.This way to solve the problem is mainly contained two kinds of additional turnplows, tooth-like, the oblique cutter head type of movable blade (see " Agricultural Machinery Design handbook chapter 4 the 7th joint) both at home and abroad at present; Additional turnplow formula is below rotovator or the rear increases a central turnplow central authorities' part of balking is carried out farming; This method is used at present more, but that shortcoming is a power consumption is very big; Telescopic movable cutter tooth is installed on the tooth-like dependence transmission case of movable blade is carried out farming, owing to its complex structure, link the many and inertia force of parts and be difficult to balance and actual the use seldom.
The utility model content
The purpose of the utility model is the deficiency for solving the problems of the technologies described above; Provide a kind of central transmission miniature rotary cultivator to eliminate the device of balking; This device does not change the structure of original center driven; Through increasing rotation and drive axis deflection cutter rotary tillage mechanism at an angle, eliminate plough-leaking phenomenon, improve the operating efficiency of rotovator.
The utility model is the deficiency that solves the problems of the technologies described above, and the technical scheme that is adopted is: a kind of central transmission miniature rotary cultivator is eliminated the device of balking, and comprises central transmission case, rotary blade power transmission shaft and vertical cutter rotary tillage mechanism; Described vertical cutter rotary tillage mechanism is made up of tool rest and the rotary blade that is arranged on the tool rest, and the linking arm of rotary blade is provided with the axis of rotary blade power transmission shaft is vertical, also is provided with deflection cutter rotary tillage mechanism; Deflection cutter rotary tillage mechanism is arranged between central transmission case and the vertical cutter rotary tillage mechanism; Described deflection cutter rotary tillage mechanism mainly is made up of deflection tool rest, deflection tool rest axle sleeve, rotary blade, dial and finger, and the clutch end of central transmission case is connected with the rotary blade power transmission shaft, and described rotary blade power transmission shaft is six hollow prism structures; Dial is arranged on the rotary blade power transmission shaft through fastening assembly; Evenly be provided with groove on the card of described dial, the direction of groove is towards the center of circle of dial, and the outputting power of central transmission case drives the dial rotation through the rotary blade power transmission shaft; The deflection tool rest is on the rotary blade power transmission shaft between dial and the central transmission case; And be arranged on the rotary blade power transmission shaft through shaft sleeve, described shaft sleeve is hexagonal structure in the cylindrical, and the inner chamber of shaft sleeve and rotary blade power transmission shaft are complementary; The angle of the axis of the axis of deflection tool rest and rotary blade power transmission shaft is 5-10 °; One end of deflection tool rest is fixedly connected with central transmission case, and deflection tool rest axle sleeve is set on the deflection tool rest through rolling bearing, and bearing (ball) cover sealing and location are adopted in the axial two ends of deflection tool rest axle sleeve; The axis of deflection tool rest axle sleeve overlaps with the axis of deflection tool rest; Rotary blade is arranged on the deflection tool rest axle sleeve through fastening assembly, and the structure of described rotary blade is L-shaped, and the point of a knife of rotary blade is towards central transmission case; Finger one end is fixedly installed on the deflection tool rest axle sleeve; The other end is positioned at the groove of dial, and the power of central transmission case drives the dial rotation through the rotary blade power transmission shaft, and the finger that is positioned at the dial groove rotates simultaneously and drives the deflection tool rest axle sleeve that has rotary blade and rotates along its axis.
Be provided with needle bearing between the outer circumference surface of described shaft sleeve and the deflection tool rest.
The beneficial effect of the utility model is:
One of which, this device do not change the structure of original center driven; Simultaneously also need not to increase auxiliary power mechanism; Only, eliminate plough-leaking phenomenon, improve the operating efficiency of rotovator through increasing rotation and drive axis deflection cutter rotary tillage mechanism at an angle; Evidence: when the rotation angle of the rotation of deflection cutter rotary tillage mechanism and original driving shaft is 5-10 °; Not only can eliminate fully and balk, and the load that the deflection cutter rotary tillage mechanism under this kind angle is applied in is the most reasonable, result of use is better.
Two, this device not only has simple in structurely, and parts are few, the characteristics that cost is low, and also transmission is reasonable, perfect in shape and function.Because the kind of drive changes engaged transmission into, and the ability of deflection cutter transmitted load is increased greatly.While is reduced by the possibility of weeds or the winding of other crops because deflection mechanism is laterally all less with size radially at work greatly, and owing to the sealing of in design, noting bearing and driving parts and lubricated, can prolong greatly the service life of mechanism.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of rotary blade in the utility model.
Fig. 3 is the structural representation of dial in the utility model.
Reference numeral: 1, central transmission case, 2, the rotary blade power transmission shaft, 3, vertical cutter rotary tillage mechanism, 301, tool rest; 4, deflection cutter rotary tillage mechanism, 401, the deflection tool rest, 402, shaft sleeve, 403, deflection tool rest axle sleeve; 404, rotary blade, 4041, linking arm, 4042, point of a knife, 4043, blade; 405, dial, 4051, groove, 406, finger.
Embodiment
As shown in the figure; A kind of central transmission miniature rotary cultivator is eliminated the device of balking, and comprises central transmission case 1, rotary blade power transmission shaft 2 and vertical cutter rotary tillage mechanism 3, and the clutch end of central transmission case 1 drives vertical cutter rotary tillage mechanism 3 through rotary blade power transmission shaft 2 and moves; Described vertical cutter rotary tillage mechanism 3 is made up of tool rest 301 and the rotary blade that is arranged on the tool rest; The linking arm of rotary blade is provided with the axis of rotary blade power transmission shaft 2 is vertical, also is provided with deflection cutter rotary tillage mechanism 4, and deflection cutter rotary tillage mechanism 4 is arranged between central transmission case 1 and the vertical cutter rotary tillage mechanism 3; Be used to eliminate plough-leaking phenomenon; Described deflection cutter rotary tillage mechanism 4 is made up of deflection tool rest 401, deflection tool rest axle sleeve 403, rotary blade 404, dial 405 and finger 406, and the clutch end of central transmission case 1 is connected with rotary blade power transmission shaft 2, and described rotary blade power transmission shaft 2 is six hollow prism structures; Dial 405 is arranged on the rotary blade power transmission shaft 2 through fastening assembly; Evenly be provided with groove 4051 on the card of described dial 405, the direction of groove 4051 is towards the center of circle of dial 405, and the outputting power of central transmission case 1 drives dial 405 rotations through rotary blade power transmission shaft 2; Deflection tool rest 401 is on the rotary blade power transmission shaft 2 between dial 405 and the central transmission case 1; And be arranged on the outer circumference surface of rotary blade power transmission shaft 2 through shaft sleeve 402, described shaft sleeve 402 is hexagonal structure in the cylindrical, and the inner chamber of shaft sleeve 402 and rotary blade power transmission shaft 2 are complementary; Be provided with needle bearing between shaft sleeve 402 outer circumference surfaces and the deflection tool rest; The axis of the axis of deflection tool rest 401 and rotary blade power transmission shaft 2 is 5-10 ° of angles, and an end of deflection tool rest 401 is fixedly connected with central transmission case 1, and deflection tool rest axle sleeve 403 is set on the deflection tool rest 401 through rolling bearing; The axis of deflection tool rest axle sleeve 403 overlaps with the axis of deflection tool rest 401; Be fixed with rotary blade at deflection tool rest axle sleeve, finger one end is through being fixedly installed on the deflection tool rest axle sleeve, and the other end is positioned at the groove of dial; The power of central authorities' transmission case drives the dial rotation through the rotary blade power transmission shaft, is positioned at dial groove finger and rotates simultaneously and drive the deflection tool rest axle sleeve that has rotary blade and rotate along the axis of deflection tool rest.
The utility model; The structure of the rotary blade 404 described in vertical cutter rotary tillage mechanism 3 and the deflection cutter rotary tillage mechanism 4 is all L-shaped; One of them free end of rotary blade is a linking arm 4041, and another free end is provided with blade 4043 and point of a knife 4042, and the linking arm of rotary blade is fixed on the deflection tool rest axle sleeve through bolt assembly; And the point of a knife of rotary blade is towards central transmission case; Therefore, two groups of rotary blades that are arranged on the deflection tool rest axle sleeve form semi-surrounding to central transmission case, and this kind structure more has to utilize eliminates plough-leaking phenomenon.
The utility model; The bearing two ends that between deflection tool rest axle sleeve and deflection tool rest, are provided with also are respectively equipped with left end cap and right end cap; Left end cap, right end cap are used for to rolling bearing and deflection tool rest axle sleeve axial location; Also be provided with impurity such as the dust entering bearing that felt collar and sealing gasket are used for the work that prevents, reduce bearing life.
The utility model, when central transmission case outputting power, the rotary blade power transmission shaft rotates through driving vertical cutter rotary tillage mechanism; Dial is in company with rotation; The groove of dial drives finger and rotates together, and then drives deflection tool rest axle sleeve and rotate together with its rotary blade of going up installation, carries out the rotary tillage operation.Because the axis of rotation of rotary blade tilts all the time; So it is far away that rotary blade just leaves central transmission case above forwarding to the time; Can effectively dodge out central transmission case; And below rotary blade is forwarding to the time, can carry out the rotary tillage operation to the part that central transmission case blocks, thereby solve the problem of balking effectively.
In the rotary tillage operation, for the reliable transmission that makes dial and finger and reduce the fretting wear that its relative motion brings, finger will move in the groove of dial and can not withdraw from fully in motion process.
Claims (2)
1. a central transmission miniature rotary cultivator is eliminated the device of balking; Comprise central transmission case (1), rotary blade power transmission shaft (2) and vertical cutter rotary tillage mechanism (3); Described vertical cutter rotary tillage mechanism (3) is made up of tool rest (301) and the rotary blade that is arranged on the tool rest; The linking arm of rotary blade is provided with the axis of rotary blade power transmission shaft is vertical; It is characterized in that: also be provided with deflection cutter rotary tillage mechanism (4); Deflection cutter rotary tillage mechanism (4) is arranged between central transmission case (1) and the vertical cutter rotary tillage mechanism (3); Described deflection cutter rotary tillage mechanism (4) mainly is made up of deflection tool rest (401), deflection tool rest axle sleeve (403), rotary blade (404), dial (405) and finger (406), and the clutch end of central transmission case (1) is connected with rotary blade power transmission shaft (2), and described rotary blade power transmission shaft (2) is six hollow prism structures; Dial (405) is arranged on the rotary blade power transmission shaft (2) through fastening assembly; Evenly be provided with groove (4051) on the card of described dial (405), the direction of groove is towards the center of circle of dial, and the outputting power of central transmission case drives the dial rotation through the rotary blade power transmission shaft; Deflection tool rest (401) is positioned on the rotary blade power transmission shaft (2) between dial (405) and the central transmission case (1); And be arranged on the rotary blade power transmission shaft through shaft sleeve (402), described shaft sleeve (402) is hexagonal structure in the cylindrical, and the inner chamber of shaft sleeve (402) and rotary blade power transmission shaft (2) are complementary; The angle of the axis of the axis of deflection tool rest (401) and rotary blade power transmission shaft (2) is 5-10 °; One end of deflection tool rest (401) is fixedly connected with central transmission case (1), and deflection tool rest axle sleeve (403) is set on the deflection tool rest (401) through rolling bearing, and bearing (ball) cover sealing and location are adopted in the axial two ends of deflection tool rest axle sleeve (403); The axis of deflection tool rest axle sleeve (403) overlaps with the axis of deflection tool rest (401); Rotary blade (404) is arranged on the deflection tool rest axle sleeve (403) through fastening assembly, and the structure of described rotary blade (404) is L-shaped, and the point of a knife of rotary blade (4042) is towards central transmission case (1); Finger (406) one ends are fixedly installed on the deflection tool rest axle sleeve (403); The other end is positioned at the groove of dial (405), and the power of central transmission case (1) drives dial (405) rotation through rotary blade power transmission shaft (2), and the finger (406) that is positioned at dial groove (4051) rotates simultaneously and drives the deflection tool rest axle sleeve (403) that has rotary blade and rotates along its axis.
2. a kind of central transmission miniature rotary cultivator according to claim 1 is eliminated the device of balking, and it is characterized in that: be provided with needle bearing between the outer circumference surface of described shaft sleeve (402) and the deflection tool rest (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200064724U CN202385462U (en) | 2012-01-09 | 2012-01-09 | Tillage-leakage eliminating device for centrally-driven micro rototillers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200064724U CN202385462U (en) | 2012-01-09 | 2012-01-09 | Tillage-leakage eliminating device for centrally-driven micro rototillers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202385462U true CN202385462U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200064724U Expired - Fee Related CN202385462U (en) | 2012-01-09 | 2012-01-09 | Tillage-leakage eliminating device for centrally-driven micro rototillers |
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| CN (1) | CN202385462U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230153A (en) * | 2015-11-02 | 2016-01-13 | 江苏新岛机械有限公司 | Drift-angle rotation transmission mechanism for key groove and planetary cylindrical pin |
| CN105684576A (en) * | 2016-03-31 | 2016-06-22 | 江苏新岛机械有限公司 | Deep and rotary tillage device adopting intermediate transmission |
| CN110089212A (en) * | 2019-05-10 | 2019-08-06 | 南县伟业机械制造有限公司 | A kind of changeable hack depth rotary cultivator |
| CN111183754A (en) * | 2020-03-20 | 2020-05-22 | 重庆宗申巴贝锐拖拉机制造有限公司 | Agricultural mechanical power transmission mechanism |
-
2012
- 2012-01-09 CN CN2012200064724U patent/CN202385462U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230153A (en) * | 2015-11-02 | 2016-01-13 | 江苏新岛机械有限公司 | Drift-angle rotation transmission mechanism for key groove and planetary cylindrical pin |
| CN105684576A (en) * | 2016-03-31 | 2016-06-22 | 江苏新岛机械有限公司 | Deep and rotary tillage device adopting intermediate transmission |
| WO2017166434A1 (en) * | 2016-03-31 | 2017-10-05 | 江苏新岛机械有限公司 | Intermediate-drive deep rotary tillage device |
| CN110089212A (en) * | 2019-05-10 | 2019-08-06 | 南县伟业机械制造有限公司 | A kind of changeable hack depth rotary cultivator |
| CN111183754A (en) * | 2020-03-20 | 2020-05-22 | 重庆宗申巴贝锐拖拉机制造有限公司 | Agricultural mechanical power transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20130109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |