CN203748192U - Mini-tiller - Google Patents
Mini-tiller Download PDFInfo
- Publication number
- CN203748192U CN203748192U CN201320683701.0U CN201320683701U CN203748192U CN 203748192 U CN203748192 U CN 203748192U CN 201320683701 U CN201320683701 U CN 201320683701U CN 203748192 U CN203748192 U CN 203748192U
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- CN
- China
- Prior art keywords
- bevel gear
- mini
- case body
- transmission case
- axle sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a mini-tiller and relates to the technical field of farm machinery manufacturing. The mini-tiller comprises a transmission box body provided with a mounting part and a transmission device arranged in the transmission box body; the transmission device is provided with a drive bevel gear arranged on a power output shaft and a driven bevel gear meshed with the drive bevel gear; the driven bevel gear is arranged on a driven shaft; one end of the driven shaft is provided with a bevel pinion; the bevel pinion is meshed with a bevel gear wheel; a rotating shaft extending out of two sides of the transmission box body is arranged in a center hole of the bevel gear wheel in a penetrating manner. The mini-tiller is characterized in that the rotating shaft is provided with a shaft sleeve; the shaft sleeve is in key connection with the bevel gear wheel; two ends of the shaft sleeve are respectively provided with a first shaft seal device and a second shaft seal device. Compared with the prior art, the mini-tiller has the advantage of solving the problems of balk in tillage and great vibration when the conventional mini-tiller works.
Description
Technical field
The utility model relates to manufacture of agricultural machinery technical field, especially a kind of mini-size tillage machine for ploughing.
Background technology
Mini-size tillage machine is taking small diesel engine as power, have lightweight, the feature such as volume is little, simple in structure.Mini-size tillage machine is widely used in the nonirrigated farmland, paddy field, orchard on Plain, mountain area, hills etc., is the good assistant of peasant household.There is a kind of mini-size tillage machine, this mini-size tillage machine comprises the transmission device being located in transmission case body, described transmission device has the drive bevel gear being located on power take-off and the driven wheel of differential being connected with a joggle with described drive bevel gear, described driven wheel of differential is set on driven shaft, one end of described driven shaft is provided with bevel pinion, described bevel pinion and described bevel gear wheel are connected with a joggle, in the centre bore of described bevel gear wheel, be coated with the turning cylinder that stretches out described transmission case body both sides, on described turning cylinder, be arranged with respectively the bearing cap sealing device that is fixed on described transmission case body both sides, described turning cylinder is provided with rotary cultivator attachment, described transmission case body is provided with towards identical both sides place the installation portion being connected with frame with turning cylinder thereon.In use there is following deficiency in this mini-size tillage machine: 1, because the length of bearing cap sealing device is large, the axial length that the transmission case body of transmission device is housed just lengthens, distance between the rotary blade of transmission case body both sides is just greater than the scope that blade covers, and the soil between two rotary blades there will be plough-leaking phenomenon when in the arable land; 2, due to the installation portion of transmission case body both sides with turning cylinder towards identical, when transmission case body is connected with frame by installation portion, taken certain space along turning cylinder axis, make to be arranged on respectively the distance between rotary blade on the turning cylinder of transmission case body both sides and increase; 3,, while arable land, vibration is large.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of mini-size tillage machine, and balking and vibrating large problem appears in arable land when it can solve existing mini-size tillage machine work.
The technical scheme that the utility model technical solution problem adopts is: this mini-size tillage machine comprises and is provided with the transmission case body of installation portion and is contained in the transmission device in described transmission case body, described transmission device has the drive bevel gear being located on power take-off and the driven wheel of differential being connected with a joggle with described drive bevel gear, described driven wheel of differential is located on driven shaft, one end of described driven shaft is provided with bevel pinion, described bevel pinion and described bevel gear wheel are connected with a joggle, in the centre bore of described bevel gear wheel, be coated with the turning cylinder that stretches out described transmission case body both sides, described turning cylinder is provided with axle sleeve, described axle sleeve is connected with described bevel gear wheel key, be respectively equipped with the first gland seal device and the second gland seal device at the two ends of described axle sleeve.
In above-mentioned mini-size tillage machine technical scheme, technical scheme can also be more specifically: described the first gland seal device has the first gear mud capping and be sleeved on successively clutch shaft bearing and multiple the first sealing ring on described axle sleeve that is located at described transmission case body one end, and described first keeps off mud capping is sleeved on described turning cylinder and connects with the end face of described axle sleeve.
Further, described the second gland seal device has and is located at the gland of described transmission case body one end and is sleeved on successively the second bearing and multiple the second sealing ring on described axle sleeve, one end of described gland is provided with the second gear mud capping, and described the second gear mud capping is sleeved on described turning cylinder and connects with the end face of described axle sleeve.
Further, the described installation position of described transmission case body in described transmission case body on it with described turning cylinder towards a vertical side.
Further, between described axle sleeve and described bevel gear wheel key be connected to two keys and be connected, two described keys are spent along circumferential interval 180, described the first sealing ring and described the second sealing ring are outside framework oil seal ring.
Further, the key between described axle sleeve and described bevel gear wheel is connected to spline joint, and described the first sealing ring and described the second sealing ring are outside framework oil seal ring.
Owing to having adopted technique scheme, the utility model compared with prior art, the beneficial effect having is: owing to having adopted technique scheme, the utility model compared with prior art has following beneficial effect: 1, between bevel gear wheel centre bore and turning cylinder, be provided with axle sleeve, only be provided with gland in a side of transmission case body, and use respectively multiple first, the second sealing ring and first, the second gear mud capping carries out axial seal to axle sleeve, and adopt two strong connections or spline joint at axle sleeve and bevel gear wheel, not only can increase transmitting torque, thickness that can also corresponding attenuate bevel gear wheel, therefore, the axial length that the transmission case body of transmission device is housed has shortened, within being contained in the scope that the distance between the rotary blade of transmission case body both sides covers at the blade of rotary blade,, not having plough-leaking phenomenon when in the arable land and occur, 2, due to installation portion be located at be positioned on transmission case body with turning cylinder towards a vertical side, transmission case body does not take the space of turning cylinder axis direction while connection with frame by installation portion, not making to be contained in distance between the rotary blade of transmission case body both sides increases, 3, adopt two strong connections or spline joint because axle sleeve is connected with bevel gear wheel key, the axiality of axle sleeve and turning cylinder is good, and the therefore good stability of transmission device, vibrates little when in the arable land.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the transmission device of the utility model embodiment 1.
Fig. 3 is axle sleeve and the doubly linked schematic diagram of bevel gear wheel of the utility model embodiment 1.
Fig. 4 is the axle sleeve of the utility model embodiment 2 and the schematic diagram of bevel gear wheel spline joint.
Fig. 5 is the schematic diagram that the utility model embodiment 1 is connected with frame with 2 transmission case body.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment 1:
Mini-size tillage machine as depicted in figs. 1 and 2 comprises and is provided with the transmission case body 18 of installation portion and is contained in the transmission device in transmission case body 18, the installation position of transmission case body in transmission case body on it with turning cylinder towards a vertical side, the installation position of the present embodiment is in the rear side of transmission case body; The direction that the present embodiment mini-size tillage machine advances is front; Transmission device has the drive bevel gear 3 being contained on power take-off and the driven wheel of differential 4 being connected with a joggle with drive bevel gear 3, driven wheel of differential 4 is the one end at driven shaft 6 by spline package, the other end of driven shaft 6 is provided with bevel pinion 6-1, bevel pinion 6-1 and bevel gear wheel 7 are connected with a joggle, in the centre bore of bevel gear wheel, be coated with the turning cylinder 13 that stretches out transmission case body 18 both sides, the turning cylinder 13 of the present embodiment is hexagonal axis; On turning cylinder 13, be set with axle sleeve 14, axle sleeve 14 is connected with bevel gear wheel 7 keys, and the key between axle sleeve 14 and the bevel gear wheel 7 of the present embodiment is connected to two keys and is connected, and two keys are flat key, and two keys are spent along circumferential interval 180, as shown in Figure 3; Be respectively equipped with the first gland seal device and the second gland seal device at the two ends of axle sleeve 14.The first gland seal device has the first gear mud capping 16, the first gear mud cappings 16 that are contained in transmission case body 18 one end and is provided with hexagonal centre bore and bending part; The bending part of the first gear mud capping 16 is sleeved on the garden post boss of transmission case body 18 one end, the inner surface of the first gear mud capping 16 bending parts and the outer surface interference fit of garden post boss; The hexagonal centre bore that is set with successively clutch shaft bearing 17 and two the first sealing ring 15, the first gear mud cappings 17 on axle sleeve 14 is sleeved on turning cylinder 13 and with the end face of axle sleeve 14 and connects.The second gland seal device has the gland 8 that is contained in transmission case body 15 other ends, and gland 8 is bolted on transmission case body 18; The second bearing 11 being set with successively on axle sleeve 14 and two the second sealing rings 9, the first sealing ring 15 and second sealing ring 9 of the present embodiment are outside framework oil seal ring; On the garden post boss of gland 8 one end, be set with the second gear mud capping 10, the second gear mud cappings 10 and be provided with hexagonal centre bore and bending part; The inner surface of the second gear mud capping 10 bending parts and the outer surface interference fit of gland 8 garden post boss; The hexagonal centre bore of the second gear mud capping 10 is sleeved on turning cylinder 12 and with the end face of axle sleeve 14 and connects.
Owing to being provided with axle sleeve 14 between the centre bore at bevel gear wheel 7 and turning cylinder 12, be only provided with gland 8 in one end of transmission case body 18, therefore, the axial length that completes the transmission case body of assembling dress has shortened; And installation portion be located at be positioned on transmission case body with turning cylinder towards a vertical side, transmission case body does not take the space of turning cylinder axis direction while connection with frame by installation portion, not making to be contained in distance between the rotary blade of transmission case body both sides increases; Therefore, being contained in rotary cultivator attachment 1 on turning cylinder 12, within the scope that between the rotary blade 2 of transmission case body 18 both sides, distance covers at the blade of rotary blade 2, does not have plough-leaking phenomenon and occurs when in the arable land.
Embodiment 2:
Key between axle sleeve 14 and bevel gear wheel 7 is connected to spline joint, as shown in Figure 4; Further feature is identical with embodiment 1.
Claims (7)
1. a mini-size tillage machine, comprise and be provided with the transmission case body of installation portion and be contained in the transmission device in described transmission case body, described transmission device has the drive bevel gear being located on power take-off and the driven wheel of differential being connected with a joggle with described drive bevel gear, described driven wheel of differential is located on driven shaft, one end of described driven shaft is provided with bevel pinion, described bevel pinion and bevel gear wheel are connected with a joggle, in the centre bore of described bevel gear wheel, be coated with the turning cylinder that stretches out described transmission case body both sides, it is characterized in that: described turning cylinder is provided with axle sleeve, described axle sleeve is connected with described bevel gear wheel key, be respectively equipped with the first gland seal device and the second gland seal device at the two ends of described axle sleeve.
2. mini-size tillage machine according to claim 1, it is characterized in that: described the first gland seal device has the first gear mud capping and be sleeved on successively clutch shaft bearing and multiple the first sealing ring on described axle sleeve that is located at described transmission case body one end, described first keeps off mud capping is sleeved on described turning cylinder and connects with the end face of described axle sleeve.
3. mini-size tillage machine according to claim 2, it is characterized in that: described the second gland seal device has and is located at the gland of described transmission case body one end and is sleeved on successively the second bearing and multiple the second sealing ring on described axle sleeve, one end of described gland is provided with the second gear mud capping, and described the second gear mud capping is sleeved on described turning cylinder and connects with the end face of described axle sleeve.
4. mini-size tillage machine according to claim 1 and 2, is characterized in that: the described installation position of described transmission case body in described transmission case body on it with described turning cylinder towards a vertical side.
5. mini-size tillage machine according to claim 3, is characterized in that: the described installation position of described transmission case body in described transmission case body on it with described turning cylinder towards a vertical side.
6. mini-size tillage machine according to claim 3, is characterized in that: the key between described axle sleeve and described bevel gear wheel is connected to two keys and is connected, and two described keys are spent along circumferential interval 180, and described the first sealing ring and described the second sealing ring are outside framework oil seal ring.
7. mini-size tillage machine according to claim 3, is characterized in that: the key between described axle sleeve and described bevel gear wheel is connected to spline joint, and described the first sealing ring and described the second sealing ring are outside framework oil seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683701.0U CN203748192U (en) | 2013-11-01 | 2013-11-01 | Mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683701.0U CN203748192U (en) | 2013-11-01 | 2013-11-01 | Mini-tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203748192U true CN203748192U (en) | 2014-08-06 |
Family
ID=51243498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683701.0U Expired - Fee Related CN203748192U (en) | 2013-11-01 | 2013-11-01 | Mini-tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203748192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103999575A (en) * | 2013-11-01 | 2014-08-27 | 钟玉凤 | Mini-tiller |
| CN112243623A (en) * | 2020-11-03 | 2021-01-22 | 哈尔滨市农业科学院 | Water field soil preparation rake with cleaning mechanism |
-
2013
- 2013-11-01 CN CN201320683701.0U patent/CN203748192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103999575A (en) * | 2013-11-01 | 2014-08-27 | 钟玉凤 | Mini-tiller |
| CN112243623A (en) * | 2020-11-03 | 2021-01-22 | 哈尔滨市农业科学院 | Water field soil preparation rake with cleaning 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: 20140806 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |