CN203735005U - Walking rotary cultivator - Google Patents
Walking rotary cultivator Download PDFInfo
- Publication number
- CN203735005U CN203735005U CN201420075913.5U CN201420075913U CN203735005U CN 203735005 U CN203735005 U CN 203735005U CN 201420075913 U CN201420075913 U CN 201420075913U CN 203735005 U CN203735005 U CN 203735005U
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- CN
- China
- Prior art keywords
- wheel
- sprocket
- main shaft
- deceleration
- chain
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Abstract
The utility model discloses a walking rotary cultivator which comprises a machine frame, an engine, a clutch, handrails, traveling wheels, a rotary blade and a transmission mechanism, wherein the transmission mechanism comprises a driving shaft, a traveling wheel main shaft and a rotary blade main shaft, a first driven chain wheel is fixedly arranged on the traveling wheel main shaft in a sleeved mode, a double-chain-wheel second driven chain wheel is fixedly arranged on the rotary blade main shaft in a sleeved mode, one end of the driving shaft is connected with the clutch, a driving chain wheel is fixedly arranged at one end of the driving shaft in a sleeved mode, at least two shafts of the three shafts are sleeved with multiple double-chain-wheel speed reducing chain wheels respectively and correspondingly, each speed reducing chain wheel comprises a big wheel body and a small wheel body, and the small wheel body of each speed reducing chain wheel and the big wheel body of the next speed reducing chain wheel correspond and are connected in a one-to-one corresponding mode through a chain set to form a speed reducing chain wheel set. According to the walking rotary cultivator, gearing-down can be conducted by the driving chain wheel on the first driven chain wheel and the second driven chain wheel at the same time through the speed reducing chain wheel set, so that gearing-down of the traveling wheels and the rotary blade can be achieved through the engine; the structure is simple, and maintenance is convenient.
Description
Technical field
The utility model relates to rotovator field, particularly a kind of hand-held rotovator.
Background technology
Along with the construction of agricultural modernization and the development of farm machinery, increasing farm machinery is applied in agricultural production, and rotovator is wherein a kind of, because its hack ability is strong, plough after earth's surface smooth etc., obtained extensive utilization.Walking rotary cultivator comprises engine, clutch, gearbox, road wheel, rotary blade, handrail etc. at present, speed change and the bending moment of gearbox are mainly completed by gear train, a power part for its output is given road wheel, another part is given cultivated cutter, and stable drive is accurate, but the overall drive mechanism complexity of hand-held rotovator, maintenance trouble, once go wrong, need to compare technical professional and just can keep in repair, and have a strong impact on operating efficiency.How to make the drive mechanism of hand-held rotovator simple, maintenance is conveniently a problem of needing solution badly.
Utility model content
The utility model is in order to overcome the overall drive mechanism complexity of existing hand-held rotovator, and the technological deficiency of maintenance trouble, has invented a kind of hand-held rotovator, has the advantages such as simple in structure, maintenance convenience.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of hand-held rotovator, it comprises: frame, engine, clutch, handrail, road wheel, rotary blade and transmission mechanism, described transmission mechanism comprises: driving shaft, road wheel main shaft and rotary blade main shaft, wherein:
On described road wheel main shaft, fixed cover is provided with one first driven sprocket;
On described rotary blade main shaft, fixed cover is provided with the second driven sprocket of a pair of sprocket-type;
One end of described driving shaft is connected with the output of described clutch, and its fixed cover is provided with a drive sprocket;
In described road wheel main shaft, rotary blade main shaft and driving shaft, at least two axles, be in staggered distribution and be arranged with the wheeled deceleration sprocket wheel of several two strandss that comprise a bull wheel and a steamboat respectively in the mode that can rotate, the bull wheel of the steamboat of previous described deceleration sprocket wheel and a rear described deceleration sprocket wheel is corresponding and couple together correspondingly to form rough lock wheels by chain group;
The bull wheel of first deceleration sprocket wheel of described rough lock wheels is corresponding with described drive sprocket and connect by the first chain; The steamboat of last deceleration sprocket wheel of described rough lock wheels corresponding with described the first driven sprocket and by second chain connect; Described the second driven sprocket is series in described rough lock wheels so that described drive sprocket can carry out deceleration transmission to described the first driven sprocket and the second driven sprocket simultaneously by described chain group.
Preferably, the deceleration sprocket wheel of described rough lock wheels is in staggered distribution and is sheathed on described rotary blade main shaft, road wheel main shaft and driving shaft, and its first deceleration sprocket wheel is arranged on described road wheel main shaft, its last deceleration sprocket wheel is arranged on described driving shaft.
Preferably, the deceleration sprocket wheel quantity on described rotary blade main shaft is than few one of the deceleration sprocket wheel quantity on described road wheel main shaft, and deceleration sprocket wheel quantity on described driving shaft is the twice of the deceleration sprocket wheel quantity on described road wheel main shaft.
Preferably, deceleration sprocket wheel quantity on described rotary blade main shaft is one, deceleration sprocket wheel quantity on described road wheel main shaft is that the deceleration sprocket wheel quantity on two and described driving shaft is four accordingly, and described the second driven sprocket is series between the first two deceleration sprocket wheel on described driving shaft.
Preferably, the double chain wheel that described the second driven sprocket and described deceleration sprocket wheel are same specification; The number of teeth of described drive sprocket is identical with the little tooth number of described deceleration sprocket wheel, and the number of teeth of described the first driven sprocket is identical with the number of teeth of the bull wheel of described deceleration sprocket wheel.
Preferably, the number of teeth of described drive sprocket and described steamboat is 18, and the number of teeth of described the first driven sprocket and described bull wheel is 26.
Preferably, on described road wheel main shaft, driving shaft and rotary blade main shaft, be respectively arranged with the first chain-wheel box, the second chain-wheel box and the 3rd chain-wheel box corresponding to the each sprocket wheel being installed on it.
Preferably, between described the first chain-wheel box and the second chain-wheel box and described the second chain-wheel box and the 3rd chain-wheel box, be respectively arranged with drive chain case.
The utility model compared with prior art, the beneficial effect having is: drive sprocket carries out deceleration transmission to the first driven pulley and the second driven pulley by chain transmission simultaneously, it is simple in structure, maintenance is convenient, and quantity and the number of teeth of its deceleration sprocket wheel are reasonable in design, the compact conformation that makes whole transmission mechanism, volume is suitable, and gearratio meets the job requirements of hand-held rotovator.
Brief description of the drawings
Accompanying drawing 1 is the vertical view of a kind of hand-held rotovator of the utility model;
Accompanying drawing 2 is the front view of a kind of hand-held rotovator of the utility model;
Wherein:
1, clutch;
2, driving shaft;
3, drive sprocket;
4, the first chain;
5, deceleration sprocket wheel;
6, road wheel main shaft;
7, the first driven sprocket;
8, road wheel;
9, the first chain-wheel box;
10, the second chain;
11, the second chain-wheel box;
12, deceleration chain group;
13, rotary blade;
14, the second driven sprocket;
15, rotary blade main shaft;
16, the 3rd chain-wheel box;
17, diesel engine;
18, transmission mechanism;
19, handrail;
20, frame;
21, drive chain case.
Embodiment
Further describe the utility model referring to accompanying drawing and in conjunction with embodiment, to make those skilled in the art can implement according to this with reference to specification word, but be to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present utility model " on ", D score, " left side ", " right side " be all taking the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technical scheme of the utility model.
Embodiment
As shown in Figure 2, a kind of hand-held rotovator, it comprises: frame 20, handrail 19, diesel engine 17, transmission mechanism 18, road wheel 8 and rotary blade 12, handrail 19 is connected with frame 20, diesel engine 17, transmission mechanism 18, rotary blade 12 and road wheel 8 are all arranged in frame 20, and diesel engine 17 drives rotary blade 12 and road wheel 8 to rotate by transmission mechanism 18 simultaneously.Wherein:
Transmission mechanism 18 comprises: clutch 1, driving shaft 2, road wheel main shaft 6 and rotary blade main shaft 15, clutch 1 is arranged in frame 20, and its input is connected with diesel engine 17, driving shaft 2 one end are connected with the output of clutch 1, diesel engine 17 drives driving shaft 2 to rotate by clutch 1, and driving shaft 2 is realized deceleration transmission to drive road wheel 8 and rotary blade 13 rotation works by chain transmission to the road wheel main shaft 6 for road wheel 8 is installed and for the rotary blade main shaft 15 of rotary blade 13 is installed.
The left side fixed cover of driving shaft 2 is provided with a drive sprocket 3, and drive sprocket 3 is single sprocket chain, and drive sprocket 3 can rotate along with driving shaft 2.Road wheel main shaft 6 right side fixed covers are provided with first driven sprocket 7, the first driven sprocket 7 is single sprocket chain, and it can drive road wheel main shaft 6 to rotate, on rotary blade main shaft 15, fixed cover is provided with second driven sprocket 14, the second driven sprocket 14 is double chain wheel, and it can drive rotary blade main shaft 15 to rotate.
In road wheel main shaft 6, rotary blade main shaft 15 and driving shaft 2, at least two axles, be arranged with several mutual corresponding deceleration sprocket wheels 5 to form rough lock wheels in the mode that can rotate respectively, deceleration sprocket wheel 5 is the double chain wheel that comprises a bull wheel and a steamboat, and the steamboat of previous deceleration sprocket wheel 5 is corresponding with the bull wheel of a rear deceleration sprocket wheel 5 in rough lock wheels, interconnective two deceleration sprocket wheels 5 are arranged at respectively on different axles with and couple together correspondingly to realize deceleration transmission step by step by chain group 12.First deceleration sprocket wheel 5 in rough lock wheels is arranged on road wheel main shaft 6 or rotary blade main shaft 15, and its bull wheel is corresponding with drive sprocket 3 and connect by the first chain 4, drive sprocket 3 by first ratio wheel 5 to rough lock wheels input power and rotating speed.Last deceleration sprocket wheel 5 in rough lock wheels is arranged on driving shaft 6 or rotary blade main shaft 15, its steamboat is corresponding with the first driven sprocket 7, and connect by the second chain 10, rough lock wheels are realized the deceleration transmission to road wheel main shaft 6 by last deceleration sprocket wheel 5.The second driven sprocket 14 is double chain wheel, therefore it can be series at rough lock wheels by chain group 12, by rough lock wheels, the second driven sprocket 14 is carried out to deceleration transmission, and two deceleration sprocket wheels 5 that are connected with the second driven sprocket 14 are respectively arranged on driving shaft 2 or road wheel main shaft 6.By drive sprocket 3, rough lock wheels, the first driven sprocket 7 and the second driven sprocket 14, simultaneously ground-engaging wheel main shaft 6 and rotary blade main shaft 15 rotate to drive road wheel 8 and rotary blade 13 to rotate to carry out work driving shaft 2 simultaneously.
The utility model preferably, the deceleration sprocket wheel 5 of rough lock wheels is sequentially distributed in driving shaft 2 accordingly, on road wheel main shaft 6 and rotary blade main shaft 15, and first deceleration sprocket wheel 5 of rough lock wheels is arranged on road wheel main shaft 6, last deceleration sprocket wheel 5 is arranged on driving shaft 2, and few one than the quantity of the deceleration sprocket wheel 5 on road wheel main shaft 6 of the quantity of the deceleration sprocket wheel 5 on rotary blade main shaft 15, and deceleration sprocket wheel 5 quantity on driving shaft 2 are twices of the deceleration sprocket wheel quantity on road wheel main shaft 6, thereby chain group 12 sequentially couples together deceleration sprocket wheel 5 and the second driven sprocket 14 accordingly and carries out deceleration transmission step by step from left to right.
Further preferably, driving shaft 2 is sequentially arranged with four deceleration sprocket wheels 5 in the mode that can rotate side by side in the right-hand of drive sprocket 3, on road wheel main shaft 6, be arranged with two deceleration sprocket wheels 5 corresponding to the deceleration sprocket wheel 5 on driving shaft 2 and drive sprocket 3 in the mode that can rotate, on rotary blade main shaft 15, be arranged with a deceleration sprocket wheel 5 corresponding to the deceleration sprocket wheel on driving shaft 2 in the mode that can rotate, and the bull wheel of all deceleration sprocket wheels 5 on three axles is positioned at left side and steamboat is positioned at right side.
The deceleration sprocket wheel 5 in road wheel main shaft 6 left sides is corresponding to drive sprocket 3, and the bull wheel of this deceleration sprocket wheel 5 is connected with drive sprocket 3 by the first chain 4; The deceleration sprocket wheel 5 of the centre of road wheel main shaft 6 is corresponding with two of the centres of driving shaft 2 deceleration sprocket wheel 5, and the steamboat that the left side of the bull wheel of this deceleration sprocket wheel 5 and two the deceleration sprocket wheels 5 in centre on driving shaft 2 is is corresponding, and the bull wheel on one, the right side of the steamboat of this deceleration sprocket wheel 5 and two the deceleration sprocket wheels 5 in centre on driving shaft 2 is corresponding.First driven sprocket 7 on road wheel main shaft 6 right sides is single sprocket chain, and it is corresponding with the steamboat of the deceleration sprocket wheel 5 of the rightmost side of driving shaft 2 and connect by the second chain 10.
The second driven sprocket 14 on rotary blade main shaft 15 is corresponding with two, the left side deceleration sprocket wheel 5 on driving shaft 2, the second driven sprocket 14 is double chain wheel, two is taken turns the suitable number of teeth can be set according to actual needs, the utility model is that transmission is accurately convenient, simple and reasonable, preferably its specification is consistent with deceleration sprocket wheel 5, and the bull wheel of the second driven sprocket 14 is corresponding with the steamboat of the deceleration sprocket wheel 5 of the leftmost side on driving shaft 2, and the steamboat of the second driven sprocket 14 is corresponding with the bull wheel of second the deceleration sprocket wheel 5 in left side on driving shaft 2.Deceleration sprocket wheel 5 on rotary blade main shaft 15 is corresponding with two, right side the second deceleration sprocket wheel 5 on driving shaft 2, and the steamboat that the left side of the bull wheel of this deceleration sprocket wheel 5 and two the deceleration sprocket wheels 5 in right side on driving shaft 2 is is corresponding, and its steamboat is corresponding with the bull wheel of the deceleration sprocket wheel 5 of the rightmost side on driving shaft 2
Chain group 12 couples together mutual corresponding bull wheel and steamboat between each deceleration sprocket wheel 5 and the second driven sprocket 14, thereby realizes the deceleration transmission of driving shaft 2 to road wheel main shaft 6 and rotary blade main shaft 15.
The utility model further preferably number of teeth of drive sprocket 3 is identical with the little tooth number of deceleration sprocket wheel 5, and the number of teeth of the first driven sprocket 7 is identical with the number of teeth of the bull wheel of deceleration sprocket wheel 5, the specification of the second driven sprocket 14 is consistent with the specification of deceleration sprocket wheel 5, can realize equably deceleration transmission step by step, stable drive.
The utility model more further preferably the number of teeth of drive sprocket 3 be 18, the large tooth number of deceleration sprocket wheel 5 and the second driven sprocket 14 is that 26 and little tooth number are 18, the number of teeth of the first driven sprocket 7 is 26, so that the compact overall structure of transmission mechanism 18, its volume is reasonable, and required speed ratio requirement while meeting work, operating efficiency is high, and operation quality is good.
There is the first chain-wheel box 9 to be wound on the deceleration sprocket wheel 5 and the first driven sprocket 7 on road wheel main shaft to prevent earth foreign material etc. being installed on deceleration sprocket wheel 5 on road wheel main shaft 6 and the arranged outside of the first driven sprocket 7.
The arranged outside of driving shaft 2 has one second rough lock roller box 11, and the drive sprocket 3 on driving shaft 2 and four deceleration sprocket wheels 5 are all positioned at the second chain-wheel box 11, affects transmission to prevent that earth foreign material etc. are wound on drive sprocket 3 and four deceleration sprocket wheels 5.
There is the 3rd chain-wheel box 16 to be wound on deceleration sprocket wheel 5 and the second driven sprocket 14 to prevent earth foreign material etc. in the second driven sprocket 14 and deceleration sprocket wheel 5 arranged outside that are installed on rotary blade main shaft 15.
Between the first chain-wheel box 9 and the second chain-wheel box 11 and the second chain-wheel box 11 and the 3rd chain-wheel box 16, be provided with accordingly respectively two drive chain cases 21 to wrap each chain, prevent that earth foreign material are splashed to and on chain, cause jam.
The utility model driving shaft 2 rotates by chain transmission ground-engaging wheel main shaft 6 and rotary blade main shaft 15, it is simple in structure, and reasonable distribution gearratio makes the rotation speed ratio of road wheel 8 and rotary blade 12 better, meet rotovator job requirements, simultaneously easily convenient for the maintenance of transmission mechanism 18.
Disclosed is above only specific embodiment of the utility model; but; the utility model is not limited thereto; the changes that any person skilled in the art can think of; the quantity of the specification that the number of teeth is different as each deceleration sprocket wheel 5 is set to or change deceleration sprocket wheel 5 etc., all should fall into protection domain of the present utility model.
Claims (8)
1. a hand-held rotovator, it comprises: frame, engine, clutch, handrail, road wheel, rotary blade and transmission mechanism, described transmission mechanism comprises: driving shaft, road wheel main shaft and rotary blade main shaft, is characterized in that:
On described road wheel main shaft, fixed cover is provided with one first driven sprocket;
On described rotary blade main shaft, fixed cover is provided with the second driven sprocket of a pair of sprocket-type;
One end of described driving shaft is connected with the output of described clutch, and its fixed cover is provided with a drive sprocket;
In described road wheel main shaft, rotary blade main shaft and driving shaft, at least two axles, be arranged with accordingly the wheeled deceleration sprocket wheel of several two strandss that comprise a bull wheel and a steamboat respectively in the mode that can rotate, the bull wheel of the steamboat of previous described deceleration sprocket wheel and a rear described deceleration sprocket wheel is corresponding and couple together correspondingly to form rough lock wheels by chain group;
The bull wheel of first deceleration sprocket wheel of described rough lock wheels is corresponding with described drive sprocket and connect by the first chain; The steamboat of last deceleration sprocket wheel of described rough lock wheels corresponding with described the first driven sprocket and by second chain connect; Described the second driven sprocket is series in described rough lock wheels so that described drive sprocket can carry out deceleration transmission to described the first driven sprocket and the second driven sprocket simultaneously by described chain group.
2. hand-held rotovator according to claim 1, it is characterized in that: the deceleration sprocket wheel of described rough lock wheels is sheathed on described rotary blade main shaft, road wheel main shaft and driving shaft accordingly, and its first deceleration sprocket wheel is arranged on described road wheel main shaft, its last deceleration sprocket wheel is arranged on described driving shaft.
3. hand-held rotovator according to claim 2, it is characterized in that: the deceleration sprocket wheel quantity on described rotary blade main shaft is than few one of the deceleration sprocket wheel quantity on described road wheel main shaft, and deceleration sprocket wheel quantity on described driving shaft is the twice of the deceleration sprocket wheel quantity on described road wheel main shaft.
4. hand-held rotovator according to claim 3, it is characterized in that: the deceleration sprocket wheel quantity on described rotary blade main shaft is one, deceleration sprocket wheel quantity on described road wheel main shaft is that the deceleration sprocket wheel quantity on two and described driving shaft is four accordingly, and described the second driven sprocket is series between the first two deceleration sprocket wheel on described driving shaft.
5. hand-held rotovator according to claim 4, is characterized in that: the double chain wheel that described the second driven sprocket and described deceleration sprocket wheel are same specification; The number of teeth of described drive sprocket is identical with the little tooth number of described deceleration sprocket wheel, and the number of teeth of described the first driven sprocket is identical with the number of teeth of the bull wheel of described deceleration sprocket wheel.
6. hand-held rotovator according to claim 5, is characterized in that: the number of teeth of described drive sprocket and described steamboat is 18, and the number of teeth of described the first driven sprocket and described bull wheel is 26.
7. according to the hand-held rotovator described in any one in claim 1-6, it is characterized in that: on described road wheel main shaft, driving shaft and rotary blade main shaft, be respectively arranged with the first chain-wheel box, the second chain-wheel box and the 3rd chain-wheel box corresponding to the each sprocket wheel being installed on it.
8. hand-held rotovator according to claim 7, is characterized in that: between described the first chain-wheel box and the second chain-wheel box and described the second chain-wheel box and the 3rd chain-wheel box, be respectively arranged with drive chain case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075913.5U CN203735005U (en) | 2014-02-21 | 2014-02-21 | Walking rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075913.5U CN203735005U (en) | 2014-02-21 | 2014-02-21 | Walking rotary cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203735005U true CN203735005U (en) | 2014-07-30 |
Family
ID=51334902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420075913.5U Expired - Fee Related CN203735005U (en) | 2014-02-21 | 2014-02-21 | Walking rotary cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203735005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103858543A (en) * | 2014-02-21 | 2014-06-18 | 全开 | Hand holding type rotary tiller |
-
2014
- 2014-02-21 CN CN201420075913.5U patent/CN203735005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103858543A (en) * | 2014-02-21 | 2014-06-18 | 全开 | Hand holding type rotary tiller |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20160221 |