CN217241281U - Transmission speed change mechanism and mini-tiller power device - Google Patents
Transmission speed change mechanism and mini-tiller power device Download PDFInfo
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- CN217241281U CN217241281U CN202221001911.2U CN202221001911U CN217241281U CN 217241281 U CN217241281 U CN 217241281U CN 202221001911 U CN202221001911 U CN 202221001911U CN 217241281 U CN217241281 U CN 217241281U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model discloses a transmission speed change mechanism and machine power device ploughed a little, the power device comprises a box body, install the articulated walking output shaft, input main shaft, plough output shaft, walking axle of crossing a bridge, walking driven shaft and plough axle of crossing a bridge in the box, fixed mounting has plough driven shaft and reverse gear axle, is equipped with corresponding gear on each axle, and each gear is mutually supported, has newly designed gear drive, combines suitable drive ratio, has more excellent transmission process and effect to match with the output speed of cutter. When the power transmission device is used, the adaptability of the walking speed and the rotating speed of the cutter is good, the output transmission efficiency of the engine is effectively ensured, and walking, tilling, idling and stopping operations are realized through the transmission coordination among different gears.
Description
Technical Field
The utility model relates to a plough quick-witted technical field a little, especially relate to a transmission speed change mechanism and plough quick-witted power device a little.
Background
The mini-tiller is a mechanized agricultural cultivator which drives the cultivator to rotate to perform operations such as soil turning and the like by a small gasoline engine or a diesel engine, and is increasingly widely used due to the advantages of light weight, small volume, simple structure and the like, and the problem that large agricultural machinery cannot be applied in some scenes can be solved.
The quick-witted mechanism is ploughed in declining of initial development, the gear of installation is mostly the single-stage transmission in the transmission, and just is unipolar output, can not satisfy the demand that different soil property matches different rotational speeds, and farming efficiency is limited, and the operation requirement is high, is difficult to satisfy the demand that people used under different environment high efficiency.
Therefore, the technical personnel in the field are dedicated to develop a transmission speed change mechanism with various functions and a micro-cultivator power device.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a transmission speed change mechanism with multiple functions.
In order to achieve the purpose, the utility model provides a pair of transmission speed change mechanism, which comprises a box body, the box body is internally provided with a walking output shaft, an input main shaft, a tilling output shaft, a walking bridge shaft, a walking driven shaft and a tilling bridge shaft which are hinged, and a tilling driven shaft and a reverse gear shaft are fixedly arranged.
The walking output shaft is fixedly sleeved with walking output shaft teeth; one end of the walking gap bridge shaft is integrally provided with walking gap bridge shaft teeth, and the other end of the walking gap bridge shaft is fixedly sleeved with walking gap bridge shaft large teeth; the middle part of the walking driven shaft is integrally provided with walking driven shaft teeth, one end of the walking driven shaft is fixedly sleeved with walking driven shaft small teeth, and the other end of the walking driven shaft is fixedly sleeved with walking driven shaft large teeth; the input main shaft is sleeved with a variable-speed duplex-tooth large tooth and a variable-speed duplex-tooth small tooth, a shifting sheet capable of moving transversely is arranged between the variable-speed duplex-tooth large tooth and the variable-speed duplex-tooth small tooth, and the shifting sheet pushes the variable-speed duplex-tooth large tooth and the variable-speed duplex-tooth small tooth to slide transversely on the input main shaft; a tilling driven gear is sleeved on the tilling driven shaft; one end of the cultivation gap bridge shaft is integrally provided with cultivation gap bridge shaft teeth, and the other end of the cultivation gap bridge shaft is fixedly sleeved with cultivation gap bridge shaft large teeth; the reverse gear shaft is sleeved with a reverse gear duplex tooth big tooth and a reverse gear duplex tooth small tooth; the tilling output shaft is fixedly sleeved with tilling output shaft teeth.
The travel output shaft tine is engaged with the travel intermediate shaft tine, the travel intermediate shaft large tine is engaged with the travel driven shaft tine, the travel driven shaft large tine is engageable with the speed change duplex tine large tine, the travel driven shaft small tine is also engageable with the reverse gear duplex tine small tine, the reverse gear duplex tine large tine is engageable with the speed change duplex tine large tine, the speed change duplex tine large tine is engageable with the tilling driven tine, the tilling driven tine is engaged with the tilling intermediate shaft large tine, and the tilling intermediate shaft tine is engaged with the tilling output shaft tine.
The shifting piece is connected with a shifting rod for pushing the shifting piece to move.
The box body is composed of a left box body and a right box body, bearings are arranged between the two ends of the walking output shaft, the input main shaft, the tilling output shaft, the walking bridge shaft, the walking driven shaft and the tilling bridge shaft and the box body, and the two ends of the tilling driven shaft and the reverse gear shaft are fixedly connected with the box body respectively.
The utility model also provides a plough quick-witted power device a little, including foretell transmission speed change mechanism, still include the engine, it is fixed with driving pulley to cup joint on the output shaft of engine, cup joint on the input main shaft and be fixed with driven pulley, the belt that suits has been cup jointed on driving pulley and the driven pulley.
The beneficial effects of the utility model are that: the utility model discloses a transmission speed change mechanism and machine power device are ploughed a little, the power device comprises a box body, install the articulated walking output shaft, input main shaft, plough the output shaft, walk and cross the axle, walk driven shaft and plough and cross the axle in the box, fixed mounting has ploughs driven shaft and reverse gear axle, is equipped with corresponding gear on each axle, and each gear is mutually supported, has newly designed gear drive, combines suitable drive ratio, has more excellent transmission process and effect to match with the output speed of cutter. When the transmission device is used, the adaptability between the walking speed and the rotating speed of the cutter is good, the output transmission efficiency of the engine is effectively ensured, and walking, tilling, idling and stopping operations are realized through transmission cooperation among different gears.
Drawings
FIG. 1 is an exploded view of the transmission mechanism of the present invention;
FIG. 2 is a schematic view of a partial structure of the transmission shifting mechanism of the present invention;
fig. 3 is a second partial schematic structural view of the transmission shifting mechanism of the present invention;
fig. 4 is a schematic structural view of the power device of the mini-tiller.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, a transmission speed change mechanism comprises a housing in which a traveling output shaft 11, an input main shaft 12, a tilling output shaft 13, a traveling bridge shaft 14, a traveling driven shaft 15 and a tilling bridge shaft 17 are mounted in a hinged manner, and a tilling driven shaft 16 and a reverse shaft 18 are fixedly mounted.
A walking output shaft tooth 101 is fixedly sleeved on the walking output shaft 11; one end of the walking bridge shaft 14 is integrally provided with walking bridge shaft teeth 102, and the other end is fixedly sleeved with walking bridge shaft large teeth 103; the middle part of the walking driven shaft 15 is integrally provided with walking driven shaft teeth 105, one end of the walking driven shaft teeth is fixedly sleeved with walking driven shaft small teeth 104, and the other end of the walking driven shaft teeth is fixedly sleeved with walking driven shaft large teeth 106; a shifting piece 19 capable of moving transversely is arranged between the large shifting duplex tooth 107 and the small shifting duplex tooth 108, the large shifting duplex tooth 107 and the small shifting duplex tooth 108 are integrally arranged, a shifting groove for accommodating the lower end of the shifting piece 19 is arranged between the large shifting duplex tooth 107 and the small shifting duplex tooth 108, and the shifting piece 19 pushes the large shifting duplex tooth 107 and the small shifting duplex tooth 108 to transversely slide on the input main shaft 12; a tilling driven gear 109 is sleeved on the tilling driven shaft 16; one end of the cultivating bridge shaft 17 is integrally provided with a cultivating bridge shaft tooth 111, and the other end is fixedly sleeved with a cultivating bridge shaft big tooth 110; the reverse gear shaft 18 is sleeved with a reverse double-tooth large tooth 113 and a reverse double-tooth small tooth 114; a tilling output shaft tooth 112 is fixedly sleeved on the tilling output shaft 13.
The traveling output shaft teeth 101 are meshed with the traveling intermediate shaft teeth 102, the traveling intermediate shaft large teeth 103 are meshed with the traveling driven shaft teeth 105, the traveling driven shaft large teeth 106 are meshed with the speed change duplex teeth small teeth 108, the traveling driven shaft small teeth 104 are meshed with the speed change duplex teeth large teeth 107, the traveling driven shaft small teeth 104 are also meshed with the reverse speed duplex teeth small teeth 114, the reverse speed duplex teeth large teeth 113 are meshed with the speed change duplex teeth large teeth 107, the speed change duplex teeth large teeth 107 are meshed with the tilling driven teeth 109, the tilling driven teeth 109 are meshed with the tilling intermediate shaft large teeth 110, and the tilling intermediate shaft teeth 111 are meshed with the tilling output shaft teeth 112.
The shifting piece 19 is connected with a shifting rod 20 for pushing the shifting piece to move, the shifting piece 19 can be shifted to move transversely through the shifting rod 20, and the structure is simple.
The box body is composed of a left box body 21 and a right box body 22, bearings are arranged between the box body and two ends of the walking output shaft 11, the input main shaft 12, the tilling output shaft 13, the walking bridge shaft 14, the walking driven shaft 15 and the tilling bridge shaft 17, and two ends of the tilling driven shaft 16 and the reverse gear shaft 18 are fixedly connected with the box body respectively.
As shown in fig. 1 to 4, the power device of the mini-tiller comprises the above transmission speed change mechanism and further comprises an engine 1, a driving pulley 2 is fixedly sleeved on an output shaft of the engine 1, a driven pulley 5 is fixedly sleeved on an input spindle 12, a belt 3 which is adapted to the driving pulley 2 and the driven pulley 5 is sleeved on the driven pulley 5, the input spindle 12 is provided with a clutch device 6, the clutch device 6 is a common technology in the field of mechanical transmission, and is not described herein any more, the clutch device 6 controls the driven pulley 5 to be disengaged from or tightly sleeved on the input spindle 12, and the input spindle 12 is effectively and synchronously rotated, so as to realize walking and tilling operations.
In the present embodiment, there are a total of six operating modes:
the first mode is a slow-speed travel and tilling mode, in which the variable-speed duplex tooth large tooth 107 is engaged with a tilling driven tooth 109 provided on a tilling driven shaft 16, the tilling driven tooth 109 is engaged with a tilling intermediate shaft large tooth 110 provided on a tilling intermediate shaft 17 to drive a tilling intermediate shaft tooth 111 provided on the tilling intermediate shaft 17 to rotate synchronously, and the tilling intermediate shaft tooth 111 is engaged with a tilling output shaft tooth 112 provided on the tilling output shaft 13 to rotate synchronously by moving the paddle 19, thereby realizing tilling operation. The synchronous speed change duplex teeth small teeth 108 are meshed with the walking driven shaft large teeth 106 arranged on the walking driven shaft 15 to drive the walking driven shaft teeth 105 arranged on the walking driven shaft 15 to synchronously rotate, the walking driven shaft teeth 105 are meshed with the walking bridge shaft large teeth 103 on the walking bridge shaft 14 to drive the walking bridge shaft teeth 102 arranged on the walking bridge shaft 14 to synchronously rotate, and the walking bridge shaft teeth 102 are meshed with the walking output shaft teeth 101 on the walking output shaft 11 to synchronously rotate, so that slow walking cultivation is realized.
The second mode is a travel stop and tilling mode, in which the variable speed double tooth large tooth 107 is engaged with a tilling driven tooth 109 provided on the tilling driven shaft 16, the tilling driven tooth 109 is engaged with a tilling gap bridge shaft large tooth 110 provided on the tilling gap bridge shaft 17 by moving the paddle 19 to drive a tilling gap bridge shaft tooth 111 provided on the tilling gap bridge shaft 17 to rotate synchronously, and the tilling gap bridge shaft tooth 111 is engaged with a tilling output shaft tooth 112 provided on the tilling output shaft 13 to rotate synchronously, thereby achieving tilling operation. The large gear 107 and the small gear 108 of the synchronous speed change duplex gear are not meshed with any gear on the walking driven shaft 15, and the walking mechanism does not rotate.
The third mode is a fast traveling and tilling mode, in which the variable speed double-link tine large tine 107 is engaged with a tilling driven tine 109 provided on a tilling driven shaft 16, the tilling driven tine 109 is engaged with a tilling gap bridge shaft large tine 110 provided on a tilling gap bridge shaft 17 by moving the paddle 19 to drive a tilling gap bridge shaft tine 111 provided on the tilling gap bridge shaft 17 to rotate synchronously, and the tilling gap bridge shaft tine 111 is engaged with a tilling output shaft tine 112 provided on the tilling output shaft 13 to rotate synchronously, thereby realizing tilling operation. The large synchronous speed-changing duplex gear teeth 107 are meshed with small walking driven shaft teeth 104 arranged on a walking driven shaft 15, walking driven shaft teeth 105 are arranged on the walking driven shaft 15 in a synchronous rotating mode, the walking driven shaft teeth 105 are meshed with large walking bridge shaft teeth 103 on a walking bridge shaft 14 to drive walking bridge shaft teeth 102 arranged on the walking bridge shaft 14 in a synchronous rotating mode, and the walking bridge shaft teeth 102 are meshed with walking output shaft teeth 101 on a walking output shaft 11 in a synchronous rotating mode, so that fast walking cultivation is achieved.
The fourth mode is a fast travel non-tilling mode in which the tilling mechanism does not rotate by moving the paddle 19, and the large variable-speed double teeth 107 and the small variable-speed double teeth 108 are not engaged with any gear provided on the tilling driven shaft 16. The synchronous speed change double-coupling gear big teeth 107 are meshed with the walking driven shaft small teeth 104 arranged on the walking driven shaft 15, the walking driven shaft 15 is provided with walking driven shaft teeth 105 in a synchronous rotating mode, the walking driven shaft teeth 105 are meshed with the walking bridge shaft big teeth 103 on the walking bridge shaft 15 to drive the walking bridge shaft teeth 102 arranged on the walking bridge shaft 14 in a synchronous rotating mode, and the walking bridge shaft teeth 102 are meshed with the walking output shaft teeth 101 on the walking output shaft 11 in a synchronous rotating mode, so that fast walking is achieved.
The fifth mode is an idle mode in which the shift double tooth large tooth 107 and the shift double tooth small tooth 108 are not engaged with any gear provided on the tilling driven shaft 16 by moving the paddle 19, and the tilling mechanism does not rotate. The large variable-speed duplex teeth 107 and the small variable-speed duplex teeth 108 are not meshed with any gear on the walking driven shaft 15, and the walking mechanism does not rotate.
The sixth mode is a backward travel non-tilling mode in which the tilling mechanism does not rotate by moving the paddle 19, and the large variable-speed double teeth 107 and the small variable-speed double teeth 108 are not engaged with any gear provided on the tilling driven shaft 16. The large synchronous speed-changing duplex gear teeth 107 are meshed with large reverse duplex gear teeth 113 arranged on the reverse gear shaft 18 to drive small reverse duplex gear teeth 114 arranged on the reverse gear shaft 18 to synchronously rotate, the small reverse duplex gear teeth 114 are meshed with small walking driven shaft teeth 104 arranged on the walking driven shaft 15, walking driven shaft teeth 105 are arranged on the walking driven shaft 15 to synchronously rotate, the walking driven shaft teeth 105 are meshed with large walking bridge shaft teeth 103 on the walking bridge shaft 14 to drive walking bridge shaft teeth 102 arranged on the walking bridge shaft 14 to synchronously rotate, and the walking bridge shaft teeth 102 are meshed with walking output shaft teeth 101 arranged on the walking output shaft 11 to synchronously rotate, so that walking backward movement is realized.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the gear transmission of the variable speed transmission mechanism of the utility model has simpler, clearer and more reasonable design;
2. the variable speed transmission mechanism of the utility model is added with a reverse gear transmission mechanism, and the structure is more reasonable;
3. the utility model discloses a variable speed drive mechanism, tilling and walking are output independently, and stability in the use is better.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.
Claims (4)
1. The utility model provides a transmission speed change mechanism, includes the box, its characterized in that: a walking output shaft (11), an input main shaft (12), a tilling output shaft (13), a walking bridge shaft (14), a walking driven shaft (15) and a tilling bridge shaft (17) are hinged and mounted in the box body, and a tilling driven shaft (16) and a reverse gear shaft (18) are fixedly mounted;
a walking output shaft tooth (101) is fixedly sleeved on the walking output shaft (11); one end of the walking bridge shaft (14) is integrally provided with walking bridge shaft teeth (102), and the other end of the walking bridge shaft teeth is fixedly sleeved with walking bridge shaft large teeth (103); the middle part of the walking driven shaft (15) is integrally provided with walking driven shaft teeth (105), one end of the walking driven shaft teeth is fixedly sleeved with walking driven shaft small teeth (104), and the other end of the walking driven shaft teeth is fixedly sleeved with walking driven shaft large teeth (106); the input main shaft (12) is sleeved with a variable-speed duplex gear large tooth (107) and a variable-speed duplex gear small tooth (108), a shifting sheet (19) capable of moving transversely is arranged between the variable-speed duplex gear large tooth (107) and the variable-speed duplex gear small tooth (108), and the shifting sheet (19) pushes the variable-speed duplex gear large tooth (107) and the variable-speed duplex gear small tooth (108) to slide transversely on the input main shaft (12); a tilling driven tooth (109) is sleeved on the tilling driven shaft (16); one end of the cultivation gap bridge shaft (17) is integrally provided with a cultivation gap bridge shaft tooth (111), and the other end is fixedly sleeved with a cultivation gap bridge shaft big tooth (110); a reverse double-tooth large tooth (113) and a reverse double-tooth small tooth (114) are sleeved on the reverse gear shaft (18); a tilling output shaft tooth (112) is fixedly sleeved on the tilling output shaft (13);
the walking output shaft teeth (101) are meshed with the walking bridge shaft teeth (102), the walking bridge shaft large teeth (103) are meshed with the walking driven shaft teeth (105), the walking driven shaft large teeth (106) are meshed with the speed change duplex teeth small teeth (108), the walking driven shaft small teeth (104) are meshed with the speed change duplex teeth large teeth (107), the walking driven shaft small teeth (104) are also meshed with the reverse gear duplex teeth small teeth (114), the reverse gear duplex teeth large teeth (113) are meshed with the speed change duplex teeth large teeth (107), the speed change duplex teeth large teeth (107) are meshed with the tilling driven teeth (109), the tilling driven teeth (109) are meshed with the tilling bridge shaft large teeth (110), and the tilling bridge shaft teeth (111) are meshed with the tilling output shaft teeth (112).
2. The transmission shifter of claim 1, wherein: the shifting piece (19) is connected with a shifting rod (20) for pushing the shifting piece to move.
3. A transmission change mechanism as claimed in claim 1 or 2, characterized in that: the box body is composed of a left box body (21) and a right box body (22), bearings are arranged between the two ends of the walking output shaft (11), the input main shaft (12), the tilling output shaft (13), the walking bridge shaft (14), the walking driven shaft (15) and the tilling bridge shaft (17) and the box body, and the two ends of the tilling driven shaft (16) and the reverse gear shaft (18) are fixedly connected with the box body respectively.
4. A power device of a mini-tiller is characterized in that: the transmission speed change mechanism comprises the transmission speed change mechanism according to any one of claims 1 to 3, and further comprises an engine (1), wherein a driving belt pulley (2) is fixedly sleeved on an output shaft of the engine (1), a driven belt pulley (5) is fixedly sleeved on the input main shaft (12), and the driving belt pulley (2) and the driven belt pulley (5) are sleeved with corresponding belts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001911.2U CN217241281U (en) | 2022-04-24 | 2022-04-24 | Transmission speed change mechanism and mini-tiller power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001911.2U CN217241281U (en) | 2022-04-24 | 2022-04-24 | Transmission speed change mechanism and mini-tiller power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217241281U true CN217241281U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221001911.2U Active CN217241281U (en) | 2022-04-24 | 2022-04-24 | Transmission speed change mechanism and mini-tiller power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217241281U (en) |
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2022
- 2022-04-24 CN CN202221001911.2U patent/CN217241281U/en active Active
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