CN206274066U - A kind of differential for tractors - Google Patents
A kind of differential for tractors Download PDFInfo
- Publication number
- CN206274066U CN206274066U CN201621008162.0U CN201621008162U CN206274066U CN 206274066 U CN206274066 U CN 206274066U CN 201621008162 U CN201621008162 U CN 201621008162U CN 206274066 U CN206274066 U CN 206274066U
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- Prior art keywords
- planetary gear
- axle
- differential
- gear shaft
- axle sleeve
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Abstract
The utility model discloses a kind of differential mechanism, specifically a kind of differential for tractors, left half axle gear including differential casing and in differential carrier body, right axle shaft gear, planetary gear and planetary gear shaft, the two ends of the planetary gear shaft extend to differential casing outside, planetary gear shaft outside suit cross axle sleeve between two planetary gears, with the above mentioned technical proposal, a kind of differential for tractors described in the utility model sets axle sleeve by the outside of planetary gear shaft, the axle sleeve is reinforced to cross planetary gear shaft, increase the steadiness of planetary gear shaft connection after reinforcing, simultaneously, increase bracing means and lubricating arrangement in axle sleeve, improve lubricity, ensure normal operation.
Description
Technical field
The utility model is related to a kind of differential mechanism, specifically a kind of differential for tractors.
Background technology
The power transmission of engine drives the driving gear of differential mechanism, directly drives differential casing, then be delivered to row
Star gear, drives left and right half gear, and then driving moment.The rotating speed sum of left and right half is equal to differential casing rotating speed
Two times.When its straight line is travelled, above three rotating speed is identical.When cornering, because automobile stressing conditions change, feedback
In left and right half, and then the original balance of differential mechanism is destroyed, at this moment rotating speed is redistributed, causes inboard wheel rotating speed to reduce,
Outboard wheels rotating speed increases, and balance is reached again.Meanwhile, vehicle completes turning work.
At present, on the large and middle tractor for producing at home, widely used is simple-type enclosed cone gear differential mechanism,
This differential mechanism is generally equipped with two planetary gears or four planetary gears, wherein general equipped with two satellite differentials
Middle low power tractor is applied to, the differential mechanism equipped with four bevel planet gears is normally applied big-power tractor, four planets
The general structure that axle is worn using axle of connection of gear, the intensity of a this structure wherein planetary gear shaft is weaker, and structure
It is more complicated.
Utility model content
In order to make up, the above is not enough, and the utility model provides a kind of relatively reliable differential for tractors of structure, with
In solving the problems, such as above-mentioned background technology.
The technical solution of the utility model is：
A kind of differential for tractors, including differential casing and the left half axle gear in differential carrier body, the right side
Axle shaft gear, planetary gear and planetary gear shaft, the two ends of the planetary gear shaft extend to differential casing outside, positioned at two
Planetary gear shaft outside suit cross axle sleeve between planetary gear, the axle sleeve inner side is provided with the rubber matched with axle sleeve
Pipe sleeve, the rubber sleeve is coaxially set with axle sleeve, and the outer wall of rubber sleeve is fitted on the inwall of axle sleeve, the rubber
The internal diameter of sleeve pipe is blocked less than the external diameter of planetary gear shaft in the middle part of the gum sleeve, is installed on the sleeve lining of truncated position
Towards the axle sleeve fin that axle sleeve axis direction extends, the outside suit annulus of the planetary gear shaft, the outside installation axle of annulus
Fin, rubber cushion is connected between the axle sleeve fin and axle fin.
Used as preferred technical scheme, the rubber cushion is hollow ellipticity.
As preferred technical scheme, lubricating grease is provided with the rubber cushion inner chamber, the rubber cushion sets towards the side of annulus
There is pin hole.
Used as preferred technical scheme, lubrication dress is installed in the end that the planetary gear shaft is located on the outside of differential casing
Put, the lubricating arrangement includes being sleeved on the pressure ring and rubber blanket on the outside of planetary gear shaft, and the rubber blanket is located under pressure ring
Side, the rubber blanket is hollow annular shape, lubricating grease is filled in the inner chamber of the rubber blanket, on the lower surface of the rubber blanket
Pin hole is provided with, the rubber blanket is located at the top of differential casing.
As preferred technical scheme, slotting axle is provided with the outer rim of the pressure ring, the differential casing is provided with and inserts
The plug-in opening that axle matches.
By adopting the above-described technical solution, a kind of differential for tractors described in the utility model is by planet tooth
The outside of wheel shaft sets axle sleeve, and the axle sleeve is reinforced to cross planetary gear shaft, and planetary gear shaft connection is increased after reinforcing
Steadiness, meanwhile, bracing means and lubricating arrangement are increased in axle sleeve, improve lubricity, it is ensured that normal operation.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structure enlarged diagram of part A in Fig. 1；
Fig. 3 is the structure enlarged diagram of part B in Fig. 1.
Specific embodiment
Embodiment one：As shown in Figure 1-Figure 3, a kind of differential for tractors, including differential casing 1 and installed in differential
Left half axle gear 2, right axle shaft gear 3, planetary gear 4 and planetary gear shaft 5 in device housing 1, the planetary gear 4 are arranged on
In planetary gear shaft 5, the left half axle gear 2 and right axle shaft gear 3 are meshed with 4 planetary gears 4 respectively, two planet
Gear shaft 5 intersects plug-in, and in cross, the two ends of the planetary gear shaft 5 extend to the outside of differential casing 1, position
The fixing device of planetary gear shaft 5 is provided with the outside of differential casing 1.
The outside of planetary gear shaft 5 between two planetary gears 4 is set with cross axle sleeve 6, the axle sleeve 6 and planet tooth
Wheel shaft 5 matches setting, and the inner side of the axle sleeve 6 is provided with the rubber sleeve 7 matched with axle sleeve 6, the rubber sleeve 7 and axle sleeve
6 are coaxially set, and rubber sleeve 7 is similarly cross with axle sleeve, and the outer wall of rubber sleeve 7 is fitted on the inwall of axle sleeve 6,
Rubber sleeve 7 is fixed in axle sleeve 6, the external diameter of the internal diameter less than planetary gear shaft 5 of the gum sleeve 7, the gum sleeve 7
Middle part block, truncated position has certain height, installed on the inwall of axle sleeve 6 of truncated position towards the axis direction of axle sleeve 6 extend
Axle sleeve fin 8, the length of the fin 8 is less than the distance between inwall of axle sleeve 6 to the outer wall of planetary gear shaft 5, the planet
The outside suit annulus 9 of gear shaft 5, the annulus 9 is fastened on the outside of planetary gear shaft 5, between annulus 9 and planetary gear shaft 5
Relatively unrotatable, the outside installation axle fin 10 of annulus 9 connects rubber cushion 11, institute between the axle sleeve fin 8 and axle fin 10
Stating axle sleeve fin 8 and axle fin 10 increases the radial strength that axle sleeve 6 is connected with planetary gear shaft 5, and the rubber cushion 11 increases axle sleeve 6
With the degree of being connected firmly between planetary gear shaft 5, it is to avoid shift in use.
The rubber cushion 11 is hollow ellipticity, is provided with lubricating grease in the inner chamber of the rubber cushion 11, and the rubber cushion 11 is towards annulus 9
Side be provided with pin hole, when the rubber cushion 11 is extruded, lubricating grease in the inner chamber of rubber cushion 11 is extruded by pin hole, drops onto row
On star gear shaft 5, the effect of lubrication is played.
Lubricating arrangement is installed in the end that the planetary gear shaft 5 is located at the outside of differential casing 1, and the lubricating arrangement includes
The pressure ring 12 and rubber blanket 13 in the outside of planetary gear shaft 5 are sleeved on, the rubber blanket 13 is located at the lower section of pressure ring 12, the rubber
Pad 13 is hollow annular shape, and lubricating grease is filled in the inner chamber of the rubber blanket 13, and the lower surface of the rubber blanket 13 is provided with
Pin hole, the rubber blanket 13 is located at the top of differential casing 1, and slotting axle 14, the differential are provided with the outer rim of the pressure ring 12
Device housing 1 is provided with the plug-in opening 15 matched with slotting axle 14, and pressure ring 12 is pushed, in the slotting insertion of axle 14 plug-in opening 15, to rubber
Pad 13 is extruded, and is placed on lubricating grease in rubber blanket inner chamber and is extruded by pin hole, drop onto housing and planetary gear shaft 5 it
Between, play lubricant effect.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of differential for tractors, including differential casing (1) and the left half axle gear in differential casing (1)
(2), right axle shaft gear (3), planetary gear (4) and planetary gear shaft (5), the two ends of the planetary gear shaft (5) extend to difference
Fast device housing (1) outside, it is characterised in that：Planetary gear shaft (5) outside suit cross between two planetary gears (4)
Axle sleeve (6), axle sleeve (6) inner side is provided with the rubber sleeve (7) matched with axle sleeve (6), the rubber sleeve (7) and axle sleeve
(6) it is coaxially set, and the outer wall of rubber sleeve (7) is fitted on the inwall of axle sleeve (6), the internal diameter of the gum sleeve (7)
Less than the external diameter of planetary gear shaft (5), blocked in the middle part of the gum sleeve (7), court is installed on axle sleeve (6) inwall of truncated position
To the axle sleeve fin (8) that axle sleeve (6) axis direction extends, the outside of the planetary gear shaft (5) is set with annulus (9), annulus (9)
Outside installation axle fin (10), between the axle sleeve fin (8) and axle fin (10) connect rubber cushion (11).
2. a kind of differential for tractors as claimed in claim 1, it is characterised in that：The rubber cushion (11) is hollow ellipse
Shape.
3. a kind of differential for tractors as claimed in claim 2, it is characterised in that：Profit is provided with rubber cushion (11) inner chamber
Consistent lubricant, the rubber cushion (11) is provided with pin hole towards the side of annulus (9).
4. a kind of differential for tractors as claimed in claim 3, it is characterised in that：The planetary gear shaft (5) is positioned at difference
Lubricating arrangement is installed in end on the outside of fast device housing (1), and the lubricating arrangement includes being sleeved on the pressure on the outside of planetary gear shaft (5)
Ring (12) and rubber blanket (13), positioned at the lower section of pressure ring (12), the rubber blanket (13) is hollow circle to the rubber blanket (13)
Ring-type, fills lubricating grease in the inner chamber of the rubber blanket (13), the lower surface of the rubber blanket (13) is provided with pin hole, the rubber
Top of the rubber cushion (13) positioned at differential casing (1).
5. a kind of differential for tractors as claimed in claim 4, it is characterised in that：It is provided with the outer rim of the pressure ring (12)
Axle (14) is inserted, the differential casing (1) is provided with the plug-in opening (15) matched with slotting axle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621008162.0U CN206274066U (en) | 2016-08-31 | 2016-08-31 | A kind of differential for tractors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621008162.0U CN206274066U (en) | 2016-08-31 | 2016-08-31 | A kind of differential for tractors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206274066U true CN206274066U (en) | 2017-06-23 |
Family
ID=59063563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621008162.0U Active CN206274066U (en) | 2016-08-31 | 2016-08-31 | A kind of differential for tractors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206274066U (en) |
-
2016
- 2016-08-31 CN CN201621008162.0U patent/CN206274066U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |