CN202955186U - Easily steering mini-tiller transmission case - Google Patents
Easily steering mini-tiller transmission case Download PDFInfo
- Publication number
- CN202955186U CN202955186U CN 201220663438 CN201220663438U CN202955186U CN 202955186 U CN202955186 U CN 202955186U CN 201220663438 CN201220663438 CN 201220663438 CN 201220663438 U CN201220663438 U CN 201220663438U CN 202955186 U CN202955186 U CN 202955186U
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- Prior art keywords
- gear
- bevel gear
- shaft
- tiller
- driving
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Abstract
The utility model provides an easily steering mini-tiller transmission case. The transmission case comprises a gear box and a traveling box, wherein a main shaft with driving teeth and an auxiliary shaft with driven teeth are arranged in the gear box; the auxiliary shaft is connected with a driving bevel gear, and the driving bevel gear is matched with a driven bevel gear and connected to the traveling box; the inside of the traveling box comprises a bevel gear shaft connected with the driven bevel gear and a traveling bevel gear, as well as left and right half shafts which are used for being connected with a raking wheel; and the left and right half shafts are respectively in transmission connection with the traveling bevel gear. According to the easily steering mini-tiller transmission case, the rotating speed of the three gears are adjusted, and a suitable gear can be more effectively selected regarding different properties of soil; left and right half shafts of the traveling box can be controlled to simultaneously rotate or respectively rotate, when a single shaft rotates, reverse turning with a smaller radius can be achieved as long as a steering handle is slightly picked; and the cultivating speed is accelerated, and the working efficiency can be improved.
Description
Technical field
The utility model relates to the microtilling machine field, refers to especially a kind of transmission box for tiller that easily turns to.
Background technique
Microtilling machine is a kind of machinery very necessary in modern agriculture, its use changed traditional hoe dig with the backward state of ploughing with ox, economized very large manpower and materials.The present microtilling machine part that also comes with some shortcomings but:
1. former transmission case is turned and need to be turned a very large circle when ploughing, and requires great effort very much;
2. former transmission case has two gears, not fast gear, and strength less just a select gear hard in the arable land soil property at ordinary times, if what when soil property is general, strength was little can keep off with two, strength is large thinks quickerly just cannot select again, and the special situation softer in soil property, if there is a gear faster, can save a lot of time, improve the efficiency of ploughing.
The model utility content
The utility model proposes a kind of transmission box for tiller that easily turns to, can minor radius easily turn to, increase work efficiency.
The technical solution of the utility model is achieved in that a kind of transmission box for tiller that easily turns to, comprise gearbox and walking case, in gearbox, be provided with the main shaft of driving tooth with the countershaft of driven tooth, connect a drive bevel gear on countershaft, drive bevel gear and driven wheel of differential walking case that is connected, walking case inside comprises bevel gear shaft and the walking bevel gear be connected with driven wheel of differential, also comprise left half axle and the right axle shaft of ploughing break bar for connecting, left half axle is connected with the walking bevel gear drive respectively with right axle shaft.
As preferably, also comprise two three-jaws that are in transmission connection with left half axle and right axle shaft respectively in the walking case, also be provided with two shift forks that turn to of controlling three-jaws.
As preferably, also comprise gear arm, shifting shaft assembly and gearshift shifting block, be provided with successively the driving gear of three gears on described main shaft, described countershaft is provided with three driven gears that coordinate respectively with three gear driving gears.
As preferably, on described main shaft, three gear teeth are followed successively by three gear driving tooths, two gear driving tooths and a gear driving tooth by the driven wheel of differential direction wheel, and described gearshift shifting block is arranged on two gear driving gears and three and keeps off between driving tooths; Be followed successively by three gear driven tooth, two gear driven tooth and a gear driven tooth on countershaft.
As preferably, in the middle of main shaft three gears keep off with two, is neutral, with any gear of countershaft, be not combined; Its neutral gear position is provided with the back fork assembly, and reverse gear driven tooth and the driving tooth that reverses gear that set gradually from front to back.
As preferably, the described shift fork that turns to is hinged on transmission case by connected declutch shift shaft.
As preferably, described transmission case length is between 150-220mm.
Compared with prior art, the utility model has the advantage of: left half axle and the right axle shaft of walking case, can control it and rotate simultaneously or rotate respectively, when single axle rotation, only need pinching steering tiller gently, can reach the U-turn of small radii.Accelerate the speed of ploughing, improved working efficiency.Transmission main shaft has three driving tooths, countershaft has three driven tooth that coordinate with driving tooth, thereby have three gears to be selected, another this patent is adjusted the rotating speed of three gears, more can effectively select to be applicable to the gear of oneself to the ground of various soil properties.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model gearbox designs figure;
Fig. 2 is the utility model walking box structure figure;
Fig. 3 is the utility model deformation combined assembly plan view;
Fig. 4 is the utility model deformation combined assembly right elevation.
In figure: 1, main shaft; 2, countershaft; 3, gear arm; 4, shifting shaft assembly; 5, gearshift shifting block; 6, a gear driving tooth; 7, two gear driving tooths; 8, three gear driving tooths; 9, a gear driven tooth; 10, two gear driven tooth; 11, three gear driven tooth; 12, drive bevel gear; 13, driven wheel of differential; 14, the driving tooth that reverses gear; 15, the driven tooth of reversing gear; 16, left half axle; 17, right axle shaft; 18, bevel gear shaft; 19, back fork; 20, walking bevel gear; 21, three-jaw; 22, turn to shift fork; 23, declutch shift shaft.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment who obtains, and all belong to the scope of the utility model protection.
Embodiment: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of transmission box for tiller that easily turns to, comprise gearbox and walking case, in gearbox, be provided with the main shaft 1 of driving tooth with the countershaft 2 of driven tooth, connect a drive bevel gear 12 on countershaft 2, drive bevel gear 12 and driven wheel of differential 13 walking case that is connected, walking case inside comprises bevel gear shaft 18 and the walking bevel gear 20 be connected with driven wheel of differential 13, also comprise left half axle 16 and the right axle shaft 17 of ploughing break bar for connecting, left half axle 16 and right axle shaft 17 are in transmission connection with walking bevel gear 20 respectively.
As preferably, also comprise two three-jaws 21 that are in transmission connection with left half axle 16 and right axle shaft 17 respectively in the walking case, also be provided with two control three-jaws 21 turn to shift fork 22.
As preferably, also comprise gear arm 3, shifting shaft assembly 4 and gearshift shifting block 5, be provided with successively the driving gear of three gears on described main shaft 1, described countershaft 2 is provided with three driven gears that coordinate respectively with three gear driving gears.
As preferably, on described main shaft 1, three gear teeth are followed successively by three gear driving tooths 8, two gear driving tooths 7 and a gear driving tooth 6 by driven wheel of differential 13 direction wheels, described gearshift shifting block 5 be arranged on that two gear driving tooths 7 are taken turns and three gear driving tooths 8 between; Be followed successively by three gear driven tooth 11, two gear driven tooth 10 and a gear driven tooth 9 on countershaft 2.
As preferably, in the middle of main shaft 1 three gears keep off with two, is neutral, with any gear of countershaft 2, be not combined; Its neutral gear position is provided with back fork 19 assemblies, and reverse gear driven tooth 15 and the driving tooth 14 that reverses gear that set gradually from front to back.
As preferably, the described shift fork 22 that turns to is hinged on transmission case by connected declutch shift shaft 23.
As preferably, described transmission case length is between 150-220mm.
When three-jaw 21 cards, when walking cone tooth annex is combined, left and right semiaxis 17 could rotate, and when left side three-jaw 21 separates with walking cone tooth annex, left side semiaxis no longer rotates, and microtilling machine is just turned left; Equally, when the right three-jaw 21 separates with walking cone tooth annex, the right semiaxis no longer rotates microtilling machine and just turns right.Left half axle 16 and the right axle shaft 17 of walking case, can control it and rotate simultaneously or rotate respectively, when single axle rotation, only needs pinching steering tiller gently, can reach the U-turn of small radii.Accelerate the speed of ploughing, improved working efficiency.
Transmission main shaft 1 has three driving tooths, countershaft 2 has three driven tooth that coordinate with driving tooth, thereby have three gears to be selected, another this patent is adjusted the rotating speed of three gears, more can effectively select to be applicable to the gear of oneself to the ground of various soil properties.By stirring gearshift shifting block 5, drive 4 work of shifting shaft assembly, make main shaft 1 axial motion, driving tooth and driven tooth that allowing needs mesh, and drive countershaft 2 and rotate, thereby carry out running work at this gear.Five draw-in grooves are set in described power shift gear, are provided with steel ball and spring between main shaft 1 and power shift gear, steel ball coordinates and falls in the gear draw-in groove with the gear draw-in groove.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. one kind easily turns to transmission box for tiller, comprise gearbox and walking case, be provided with main shaft (1) with driving tooth in gearbox and with the countershaft (2) of driven tooth, the upper drive bevel gear (12) that connects of countershaft (2), drive bevel gear (12) and a driven wheel of differential (13) the walking case that is connected, it is characterized in that: walking case inside comprises bevel gear shaft (18) and the walking bevel gear (20) be connected with driven wheel of differential (13), also comprise left half axle (16) and the right axle shaft (17) of ploughing break bar for connecting, left half axle (16) and right axle shaft (17) are in transmission connection with walking bevel gear (20) respectively.
2. the transmission box for tiller that easily turns to according to claim 1, it is characterized in that: walking also comprises two three-jaws (21) that are in transmission connection with left half axle (16) and right axle shaft (17) respectively in case, and what also be provided with two control three-jaws (21) turns to shift fork (22).
3. the transmission box for tiller that easily turns to according to claim 1 and 2, it is characterized in that: also comprise gear arm (3), shifting shaft assembly (4) and gearshift shifting block (5), be provided with successively the driving gear of three gears on described main shaft (1), described countershaft (2) is provided with three driven gears that coordinate respectively with three gear driving gears.
4. the transmission box for tiller that easily turns to according to claim 3, it is characterized in that: upper three the gear teeth of described main shaft (1) are followed successively by three gear driving tooths (8), two gear driving tooths (7) and a gear driving tooth (6) by driven wheel of differential (13) direction wheel, and described gearshift shifting block (5) is arranged between two gear driving tooth (7) wheels and three gear driving tooths (8); Be followed successively by three gear driven tooth (11), two gear driven tooth (10) and a gear driven tooth (9) on countershaft (2).
5. the transmission box for tiller that easily turns to according to claim 4, is characterized in that: be neutral in the middle of main shaft (1) three gear keeps off with two, be not combined with any gear of countershaft (2); Its neutral gear position is provided with back fork (19) assembly, and the driven tooth of reversing gear (15) set gradually from front to back and the driving tooth that reverses gear (14).
6. the transmission box for tiller that easily turns to according to claim 2, it is characterized in that: the described shift fork (22) that turns to is hinged on transmission case by connected declutch shift shaft (23).
7. the transmission box for tiller that easily turns to according to claim 1, it is characterized in that: described transmission case length is 150-220mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663438 CN202955186U (en) | 2012-12-05 | 2012-12-05 | Easily steering mini-tiller transmission case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663438 CN202955186U (en) | 2012-12-05 | 2012-12-05 | Easily steering mini-tiller transmission case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955186U true CN202955186U (en) | 2013-05-29 |
Family
ID=48460760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220663438 Expired - Fee Related CN202955186U (en) | 2012-12-05 | 2012-12-05 | Easily steering mini-tiller transmission case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248005A (en) * | 2015-09-24 | 2016-01-20 | 泰州市姜堰新科机械制造有限公司 | Gear reverse box for stubble burying and ploughing sowing machine |
| CN105325087A (en) * | 2015-12-12 | 2016-02-17 | 威马农业机械有限公司 | Forward gear changing mechanism of mini-tiller |
| CN115648935A (en) * | 2022-12-03 | 2023-01-31 | 重庆华世丹农业装备制造有限公司 | Transmission mechanism and four-wheel miniature tillage equipment |
-
2012
- 2012-12-05 CN CN 201220663438 patent/CN202955186U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248005A (en) * | 2015-09-24 | 2016-01-20 | 泰州市姜堰新科机械制造有限公司 | Gear reverse box for stubble burying and ploughing sowing machine |
| CN105325087A (en) * | 2015-12-12 | 2016-02-17 | 威马农业机械有限公司 | Forward gear changing mechanism of mini-tiller |
| CN115648935A (en) * | 2022-12-03 | 2023-01-31 | 重庆华世丹农业装备制造有限公司 | Transmission mechanism and four-wheel miniature tillage equipment |
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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: 20130529 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |