CN202955187U - Three-gear transmission case for mini-tiller - Google Patents
Three-gear transmission case for mini-tiller Download PDFInfo
- Publication number
- CN202955187U CN202955187U CN 201220663422 CN201220663422U CN202955187U CN 202955187 U CN202955187 U CN 202955187U CN 201220663422 CN201220663422 CN 201220663422 CN 201220663422 U CN201220663422 U CN 201220663422U CN 202955187 U CN202955187 U CN 202955187U
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- gear
- shaft
- driving
- tooth
- gears
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Abstract
The utility model provides a three-gear transmission case for a mini-tiller. The transmission case comprises a gear box, a traveling box, a shifting arm, a shifting shaft component and a shifting block, wherein a main shaft with driving teeth and an auxiliary shaft with driven teeth are arranged in the gear box; three shifting driving gears are sequentially arranged on the main shaft; and three driven gears respectively matched with the three shifting driving gears are arranged on the auxiliary shaft. The main shaft of the gear box is provided with three driving teeth, and the auxiliary shaft is provided with three driven gears matched with the driving teeth, so that three gears can be selected; and furthermore, the rotating speed of the three gears can be 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 squeezed. According to the transmission case, 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 three gear transmission box for tillers.
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 three gear transmission box for tillers, three gears can be provided, in the situation that the fast gear of the softer selection of soil property is increased work efficiency.
The technical solution of the utility model is achieved in that a kind of three gear transmission box for tillers, comprise gearbox and walking case, in gearbox, be provided with the main shaft of driving tooth with the countershaft of driven tooth, also comprise gear arm, shifting shaft assembly and gearshift shifting block, connect a drive bevel gear on countershaft, drive bevel gear and driven wheel of differential walking case that is connected, 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;
On described countershaft, three gear teeth are followed successively by three gear driven tooth, a gear driven tooth and two gear driven tooth from the driven wheel of differential direction; On main shaft, wheel is followed successively by three gear driving tooths, a gear driving tooth and two gear driving tooths, and described gearshift shifting block is arranged between a gear driving tooth and three gear driving tooths.
As preferably, in the middle of main shaft three gears keep off with one, 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, walking case inside comprises bevel gear shaft and the walking bevel gear is connected with driven wheel of differential, also comprises left half axle and the right axle shaft of ploughing break bar for connecting, and left half axle is connected with the bevel gear drive of walking respectively with right axle shaft; Walking also comprises two three-jaws that are in transmission connection with left half axle and right axle shaft respectively in case, also is provided with two shift forks that turn to of controlling three-jaws.
As preferably, described left half axle and right axle shaft are assembled in the hole of walking cone tooth annex.
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 120-180mm.
Compared with prior art, the utility model has the advantage of: transmission main shaft has three driving tooths, countershaft has three driven tooth that coordinate with driving tooth, thereby there are 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.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 needs pinching steering tiller gently, can reach the U-turn of small radii.Accelerate the speed of ploughing, improved working efficiency.
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, walking cone tooth annex; 20, walking bevel gear; 21, three-jaw; 22, turn to shift fork; 23, declutch shift shaft; 24, back fork.
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 three gear transmission box for tillers, comprise gearbox and walking case, in gearbox, be provided with the main shaft 1 of driving tooth with the countershaft 2 of driven tooth, also comprise gear arm 3, shifting shaft assembly 4 and gearshift shifting block 5, connect a drive bevel gear 12 on countershaft 2, drive bevel gear 12 and driven wheel of differential 13 are connected on the described main shaft 1 of walking case and are provided with successively the driving gear of three gears, and described countershaft 2 is provided with three driven gears that coordinate respectively with three gear driving gears;
On described countershaft 2, three gear teeth are followed successively by three gear driven tooth 11, a gear driven tooth 9 and two gear driven tooth 10 from driven wheel of differential 13 directions; On main shaft 1, wheel is followed successively by three gear driving tooths 8, a gear driving tooth 6 and two gear driving tooths 7, described gearshift shifting block 5 be arranged on that a gear driving tooth 6 is taken turns and three gear driving tooths 8 between.
As preferably, in the middle of main shaft 1 three gears keep off with one, is neutral, with any gear of countershaft 2, be not combined; Its neutral gear position is provided with back fork 24 assemblies, and reverse gear driven tooth 15 and the driving tooth 14 that reverses gear that set gradually from front to back.
As preferably, walking case inside comprises bevel gear shaft 18 and the walking bevel gear 20 is connected with driven wheel of differential 13, also comprises left half axle 16 and the right axle shaft 17 of ploughing break bar for connecting, and left half axle 16 and right axle shaft 17 are in transmission connection with the bevel gear 20 that walks respectively; 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, also be provided with two control three-jaws 21 turn to shift fork 22.
As preferably, described left half axle 16 and right axle shaft 17 are assembled in the hole of walking cone tooth annex 19.
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 120-180mm.
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.
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.When three-jaw 21 card and walking cone tooth annex 19 in conjunction with the time, left and right semiaxis 17 could rotate, when left side three-jaw 21 with walk and bore tooth annex 19 while separating, left side semiaxis no longer rotates, equally, when the right three-jaw 21 separates with walking cone tooth annex 19, the right semiaxis no longer rotates.
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 (6)
1. a gear 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, also comprise gear arm (3), shifting shaft assembly (4) and gearshift shifting block (5), 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: the driving gear that is provided with successively three gears on described main shaft (1), described countershaft (2) is provided with three driven gears that coordinate respectively with three gear driving gears,
Upper three the gear teeth of described countershaft (2) are followed successively by three gear driven tooth (11), a gear driven tooth (9) and two gear driven tooth (10) from driven wheel of differential (13) direction; The upper wheel of main shaft (1) is followed successively by three gear driving tooths (8), a gear driving tooth (6) and two gear driving tooths (7), and described gearshift shifting block (5) is arranged between a gear driving tooth (6) and three gear driving tooths (8).
2. three gear transmission box for tillers according to claim 1, is characterized in that: be neutral in the middle of main shaft (1) three gear keeps off with one, be not combined with any gear of countershaft (2); Its neutral gear position is provided with back fork (24) assembly, and the driven tooth of reversing gear (15) set gradually from front to back and the driving tooth that reverses gear (14).
3. three gear transmission box for tillers according to claim 1 and 2, 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; 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).
4. three gear transmission box for tillers according to claim 3 is characterized in that: described left half axle (16) and right axle shaft (17) are assembled in the hole of walking cone tooth annex (19).
5. three gear transmission box for tillers according to claim 3, it is characterized in that: the described shift fork (22) that turns to is hinged on transmission case by connected declutch shift shaft (23).
6. three gear transmission box for tillers according to claim 1 or 5, it is characterized in that: described transmission case length is 120-180mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663422 CN202955187U (en) | 2012-12-05 | 2012-12-05 | Three-gear transmission case for mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663422 CN202955187U (en) | 2012-12-05 | 2012-12-05 | Three-gear transmission case for mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955187U true CN202955187U (en) | 2013-05-29 |
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ID=48460761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220663422 Expired - Fee Related CN202955187U (en) | 2012-12-05 | 2012-12-05 | Three-gear transmission case for mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955187U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333085A (en) * | 2015-12-14 | 2016-02-17 | 威马农业机械有限公司 | Gear-shifting speed-adjustment output mechanism of mini-tiller |
| CN105351457A (en) * | 2015-12-12 | 2016-02-24 | 威马农业机械有限公司 | High and low speed reverse gear shift mechanism for micro tillage machine |
| CN111853176A (en) * | 2020-07-16 | 2020-10-30 | 重庆宏美科技有限公司 | Novel gearbox of mini-tiller |
-
2012
- 2012-12-05 CN CN 201220663422 patent/CN202955187U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351457A (en) * | 2015-12-12 | 2016-02-24 | 威马农业机械有限公司 | High and low speed reverse gear shift mechanism for micro tillage machine |
| CN105351457B (en) * | 2015-12-12 | 2020-06-26 | 威马农业机械有限公司 | High-low speed reverse gear shifting mechanism of mini-tiller |
| CN105333085A (en) * | 2015-12-14 | 2016-02-17 | 威马农业机械有限公司 | Gear-shifting speed-adjustment output mechanism of mini-tiller |
| CN105333085B (en) * | 2015-12-14 | 2020-05-12 | 威马农业机械有限公司 | Gear-shifting speed-regulating output mechanism of mini-tiller |
| CN111853176A (en) * | 2020-07-16 | 2020-10-30 | 重庆宏美科技有限公司 | Novel gearbox of mini-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 |
Granted publication date: 20130529 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |