CN201426239Y - Box body assembly of micro-cultivator - Google Patents
Box body assembly of micro-cultivator Download PDFInfo
- Publication number
- CN201426239Y CN201426239Y CN2009201277340U CN200920127734U CN201426239Y CN 201426239 Y CN201426239 Y CN 201426239Y CN 2009201277340 U CN2009201277340 U CN 2009201277340U CN 200920127734 U CN200920127734 U CN 200920127734U CN 201426239 Y CN201426239 Y CN 201426239Y
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- box body
- casing
- mini
- 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
Disclosed is a box body assembly of a micro-cultivator. The box body assembly comprises a box body, an input shaft and an output shaft. One end of the input shaft is positioned outside the box body, the other end of the input shaft extends inside the box body and is supported with the box body via a bearing, a double-gear gear is sleeved on the shaft body of the input shaft positioned inside the box body, and an annular groove on the circumference of the double-gear gear is locked and engaged with a shifting fork on a shifting fork shaft. The double-gear gear driven by the shifting fork can axially move on the input shaft; a gear shifting mechanism engaged with the double-gear gear is sleeved on a speed changing shaft and meshes with an intermediate gear on an intermediate shaft, a synchronous gear on the intermediate shaft meshes with a big transmission gear on a transmission shaft, a small transmission gear on the transmission shaft meshes with an output gear on the output shaft, andtwo ends of the output shaft reversely extend out of the box body. The box body assembly has small power consumption, strong impact resistance, easy installation and maintenance, simple structure andstable and reliable performance.
Description
Technical field
The utility model relates to a kind of transmission device, relates in particular to the casing assembly of mini-size tillage machine.
Background technology
At present, the transmission of power of mini-size tillage machine generally adopts chain drive to finish, and kinetic equation loss is bigger like this, impact resistance is little, and when meeting obstructions in the farming, not only reliability is poor to adopt chain drive, the maintenance more complicated, and be easy to cause the chain fracture, security incident happens occasionally.
The utility model content
Technical problem to be solved in the utility model is to provide that a kind of kinetic equation loss is little, the mini-size tillage machine casing assembly of strong shock resistance.
The technical solution of the utility model is as follows: a kind of mini-size tillage machine casing assembly, comprise casing, power shaft and output shaft, its key is: an end of described power shaft is outside casing, the other end stretches in the casing, and by the supporting of bearing and casing, be positioned at described power shaft on the axle body of casing and be set with the duplex shift gear, the annular groove on this duplex shift gear circumference cooperates with the fork clamping on the fork axle, under the stirring of fork, the duplex shift gear can move axially on power shaft; The gear changing mechanism that matches with described duplex shift gear is sleeved on the variable-speed shaft, and with jackshaft on idler gear engagement, big travelling gear engagement on synchromesh gear on the jackshaft and the power transmission shaft, small transmission gear on the power transmission shaft and the engagement of the output gear on the output shaft, oppositely stretch out outside the casing at the two ends of described output shaft.
Adopt above technical scheme, the power of engine drives the power shaft rotation, duplex shift gear on the power shaft drives the variable-speed shaft rotation by the gear changing mechanism that cooperates with it, simultaneously, gear changing mechanism drives jackshaft by idler gear and rotates, and the big travelling gear engagement on synchromesh gear on the jackshaft and the power transmission shaft, small transmission gear on the power transmission shaft and the engagement of the output gear on the output shaft make the tillage implements running that is connected with output shaft.Compare with traditional chain drive, the utility model adopts all-gear drive, and is simple in structure, installation and maintenance are easy, kinetic equation loss is little, strong shock resistance, and stable and reliable for performance.
Described gear changing mechanism is made of big variable block gear, little variable block gear and axle sleeve, and its bottom bracket axle is connected between big variable block gear and the little variable block gear, and the three all is connected with the variable-speed shaft spline.Above structure is not only simple in structure, and easily manufactured, and cost is lower.
If above-mentioned gear changing mechanism changes duplicate gear into, also can realize identical functions.
In order to make speed change more stable transmission of the present utility model, reliable, on described casing, be provided with spacing hole, spring and steel ball are housed in this spacing hole, described steel ball snaps in the groove on the declutch shift shaft under the effect of spring.
The beneficial effects of the utility model are:
1, little, the strong shock resistance of kinetic equation loss, and stable performance, safe and reliable.
2, simple in structure, installation and maintenance are convenient, and volume is little, and is in light weight, greatly reduces production cost.
3, power can need be selected diesel engine or gasoline engine arbitrarily for use with the client, and gear shift operation is convenient, laborsaving.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, power shaft 9 is horizontally disposed, and the end that power shaft 9 is connected with engine is outside casing 1, and the other end of power shaft 9 stretches in the casing 1, and by two bearings and casing 1 supporting.Be positioned at power shaft 9 on the axle body of casing 1 and be set with duplex shift gear 8, both splines connect, and described duplex shift gear 8 has two large and small different fluted discs.Below described power shaft 9, be provided with the variable-speed shaft 12 that parallels with it, this variable-speed shaft 12 is positioned at casing 1, and by two bearings and casing 1 supporting, on variable-speed shaft 12, be set with big variable block gear 10, little variable block gear 11 and axle sleeve 13, axle sleeve 13 is connected between big variable block gear 10 and the little variable block gear 11, and the three all is connected with variable-speed shaft 12 splines.
As can be known from Fig. 1, in the casing 1 above described power shaft 9 declutch shift shaft 5 is installed, this declutch shift shaft 5 is parallel with power shaft 9, and an end of declutch shift shaft 5 stretches out outside the casing 1, and is connected with lever body (not drawing among the figure).Be positioned at described declutch shift shaft 5 on the axle body of casing 1 and be set with shift fork 6, described shift fork 6 is by alignment pin 7 location, the fork of shift fork 6 lower ends snaps in the annular groove on duplex shift gear 8 circumference, shift fork 6 is under the drive of lever body (not drawing among the figure), can slippage on declutch shift shaft 5, in the time of shift fork 6 motions, stir the slippage on power shaft 9 of above-mentioned shift gear 8, make the large fluted disc and 11 engagements of little variable block gear of shift gear 8, a forward gear of corresponding mini-size tillage machine; Perhaps the small tooth plate of shift gear 8 meshes another forward gear of corresponding mini-size tillage machine with big variable block gear 10; Perhaps shift gear 8 is between big variable block gear 10 and little variable block gear 11, the neutral of corresponding mini-size tillage machine.The gear changing mechanism that big variable block gear 10 in the above structure, little variable block gear 11 and axle sleeve 13 are constituted also can be substituted by duplicate gear.
Also as can be known, offer spacing hole at the top of casing 1 from Fig. 1, spring 23 and steel ball 24 are housed in this spacing hole, described steel ball 24 snaps in the groove on the declutch shift shaft 5 under the effect of spring 23.Declutch shift shaft 5 is provided with three grooves, and corresponding with the gear of mini-size tillage machine respectively, steel ball 24 snaps in one of them groove like this, can position corresponding gear.
From Fig. 1 further as can be known, parallel with it jackshaft 16 is installed below variable-speed shaft 12, the two ends of this jackshaft 16 are by bearing and casing 1 supporting, suit idler gear 14 and synchromesh gear 15 side by side on jackshaft 16, between idler gear 14 and synchromesh gear 15 and bearing plain washer 21 is housed, wherein 11 engagements of the little variable block gear on idler gear 14 and the variable-speed shaft 12, and big travelling gear 17 engagements on synchromesh gear 15 and the power transmission shaft 25.Above-mentioned power transmission shaft 25 is bearing in the casing 1 by bearing, this power transmission shaft 25 is positioned at the below of jackshaft 16 and parallel with it, on power transmission shaft 25, also be set with small transmission gear 26, described small transmission gear 26 meshes with the output gear 18 of output shaft 19 middle part suits, output shaft 19 is bearing on the casing 1 by two bearings, oppositely stretch out outside the casing 1 respectively at the two ends of output shaft 19, and be connected with tillage implements.
The utility model is work like this:
The power of engine drives power shaft 9 rotations, duplex shift gear 8 on the power shaft 9 drives variable-speed shaft 12 rotations by big variable block gear 10 or little variable block gear 11, little variable block gear 11 on the variable-speed shaft 12 drives jackshaft 16 by idler gear 14 and rotates, and the synchromesh gear 15 on the jackshaft 16 drives power transmission shaft 25 rotations by big travelling gear 17, small transmission gear 26 on the power transmission shaft 25 drives output shaft 19 by output gear 18, makes the tillage implements running that is connected with output shaft 19.Since pass through gear transmission power between power shaft 9 and the output shaft 19, with respect to chain drive, little, the strong shock resistance of kinetic equation loss, stable and reliable for performance, keep in repair more convenient.
Claims (4)
1, a kind of mini-size tillage machine casing assembly, comprise casing (1), power shaft (9) and output shaft (19), it is characterized in that: an end of described power shaft (9) is outside casing (1), the other end stretches in the casing (1), and by bearing and casing (1) supporting, be positioned at described power shaft (9) on the axle body of casing (1) and be set with duplex shift gear (8), annular groove on this duplex shift gear (8) circumference cooperates with fork (6) clamping on the fork axle (5), under the stirring of fork (6), duplex shift gear (8) can move axially on power shaft (9); The gear changing mechanism that matches with described duplex shift gear (8) is sleeved on the variable-speed shaft (12), and with jackshaft (16) on idler gear (14) engagement, big travelling gear (17) engagement on synchromesh gear (15) on the jackshaft (16) and the power transmission shaft (25), output gear (18) engagement on small transmission gear (26) on the power transmission shaft (25) and the output shaft (19), oppositely stretch out outside the casing (1) at the two ends of described output shaft (19).
2, mini-size tillage machine casing assembly according to claim 1, it is characterized in that: described gear changing mechanism is made of big variable block gear (10), little variable block gear (11) and axle sleeve (13), its bottom bracket axle (13) is connected between big variable block gear (10) and the little variable block gear (11), and the three all is connected with variable-speed shaft (12) spline.
3, mini-size tillage machine casing assembly according to claim 1, it is characterized in that: described gear changing mechanism is a duplicate gear.
4, mini-size tillage machine casing assembly according to claim 1, it is characterized in that: on described casing (1), be provided with spacing hole, spring (23) and steel ball (24) are housed in this spacing hole, and described steel ball (24) snaps in the groove on the declutch shift shaft (5) under the effect of spring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201277340U CN201426239Y (en) | 2009-06-19 | 2009-06-19 | Box body assembly of micro-cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201277340U CN201426239Y (en) | 2009-06-19 | 2009-06-19 | Box body assembly of micro-cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201426239Y true CN201426239Y (en) | 2010-03-24 |
Family
ID=42029960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201277340U Expired - Fee Related CN201426239Y (en) | 2009-06-19 | 2009-06-19 | Box body assembly of micro-cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201426239Y (en) |
-
2009
- 2009-06-19 CN CN2009201277340U patent/CN201426239Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20120619 |