CN207349371U - Tractor creeper gear transmission mechanism and the tractor using the mechanism - Google Patents
Tractor creeper gear transmission mechanism and the tractor using the mechanism Download PDFInfo
- Publication number
- CN207349371U CN207349371U CN201720800444.2U CN201720800444U CN207349371U CN 207349371 U CN207349371 U CN 207349371U CN 201720800444 U CN201720800444 U CN 201720800444U CN 207349371 U CN207349371 U CN 207349371U
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- Prior art keywords
- mounting base
- tractor
- gear
- planetary assemblies
- component
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- General Details Of Gearings (AREA)
Abstract
It the utility model is related to tractor creeper gear transmission mechanism and the tractor using the mechanism；Tractor creeper gear transmission mechanism includes the mounting base for being connected with gear box of tractor and is arranged on the gearshift backwards to gear box of tractor side of mounting base, mounting base is equipped with ring gear, it is equipped with I and II planetary assemblies in ring gear, in the axially spaced-apart between I and II planetary assemblies, is equipped between primary planet component and mounting base, and/or between secondary planet component and mounting base the circular orientation baffle for being used for that I and II planetary assemblies to be carried out with axially position.Mounting base is fixed on gear box of tractor during use, the interval between each planetary assemblies is reduced with circular orientation baffle, avoids between planetary assemblies, rub between planetary assemblies and mounting base；Compared with the prior art, the running precision higher of climbing mechanism, service life is longer, and tractor operation is more steady.
Description
Technical field
It the utility model is related to a kind of tractor creeper gear transmission mechanism and the tractor using the structure.
Background technology
Tractor is mainly used for farm work, and travel speed is between 2Km/h -40Km/h.But with the development of society,
The category of tractor work is also increasing, it is desirable to travel speed scope between 0.1Km/h -45Km/h, but also
There is the gear of more than 16.So large span, so more gears are realized on the gear box of tractor based on gear drive
The speed gearshift of position, gear box casing must be very big, very expensive equal to redesign, manufacture.It is existing in the prior art to become
Secondary planet structure is installed on fast case additional, to reduce the device of the rotating speed of gearbox, if notification number is CN201810730U, the day for announcing
For a kind of creeper gear structure for tractor disclosed in the Chinese utility model patent of 2011.04.27.
Creeper gear structure for tractor includes being used for the mounting base being connected with gearbox, and mounting base is equipped with ring gear, interior
I and II planetary assemblies are equipped with gear ring, primary planet component includes level-one sun gear, primary planet wheel and primary planet carrier,
Secondary planet component includes secondary planet wheel and secondary planet frame；I and II planet rotation is assemblied on corresponding planet carrier, level-one
Sun gear is connected with gearbox rotating shaft transmission, and primary planet carrier is sequentially connected with secondary planet wheel, secondary planet frame and tractor
Rear axle drive connects；In use, gearbox shaft driving level-one sun gear rotates, level-one sun gear is driven by primary planet wheel
Primary planet carrier rotates, and primary planet carrier drives secondary planet frame to rotate by secondary planet wheel, and secondary planet frame drives dilatory
Machine rear axle rotates, and realizes the low speed jerking motion of tractor.
But there are axially spaced-apart and both rotating speed differences between I and II planet carrier, in tractor operational process
In, the correspondence planet carrier that either gearbox shaft/rear axle shaft is also mounted in corresponding shaft in itself can exist axially partially
Move, easily rub between I and II frame, produce noise, influence the service life of creeper gear structure, cause tractor to run
It is unstable.
Utility model content
The purpose of this utility model is to provide a kind of tractor creeper gear transmission mechanism, to solve existing tractor
The problem of tractor operation is unstable is be easy to cause existing for creeper gear transmission mechanism；The purpose of this utility model also resides in offer one
Kind uses the tractor of the transmission mechanism.
To achieve the above object, the technical solution of the tractor creeper gear transmission mechanism of the utility model is：Tractor is climbed
Row gear transmission mechanism includes the mounting base for being connected with gear box of tractor and is arranged on the tractor speed change backwards of mounting base
The gearshift of case side, mounting base are equipped with ring gear, I and II planetary assemblies, I and II planetary set are equipped with ring gear
It is equipped with axially spaced-apart between part, between primary planet component and mounting base, and/or between secondary planet component and mounting base
For I and II planetary assemblies to be carried out with the circular orientation baffle of axially position.
Circular orientation baffle bag in the axially spaced-apart of I and II planetary assemblies, between secondary planet component and mounting base
Fixed tooth plate is included, the outer rim of fixed tooth plate, which is equipped with, to be used to be meshed with the ring gear in mounting base so that the position of fixed tooth plate
Fixed external toothing.
Circular orientation baffle in the axially spaced-apart of I and II planetary assemblies, between secondary planet component and mounting base is also
The fixation backing plate towards planetary assemblies including being arranged on fixed tooth plate.
The primary planet component includes primary planet wheel, and gearbox shaft is equipped with the axis for being used for driving primary planet wheel
Gear structure, axis gear structure form level-one sun gear.
The mounting base is tube structure, and one end of tube structure is equipped with the fixation for being used for being fixedly connected with gearbox
The blue, other end is the hatch frame for the installation of I and II planetary assemblies, is equipped with collar at hatch frame, ring gear is arranged on cylinder
On the inner wall of body structure.
The technical solution of the tractor of the utility model is：Tractor includes gearbox and is arranged on creeping on gearbox
Transmission mechanism is kept off, creeper gear transmission mechanism includes the mounting base for being connected with gear box of tractor and is arranged on the back of the body of mounting base
To the gearshift of gear box of tractor side, mounting base is equipped with ring gear, and I and II planetary assemblies are equipped with ring gear,
In axially spaced-apart between I and II planetary assemblies, between primary planet component and mounting base, and/or secondary planet component with
The circular orientation baffle for being used for that I and II planetary assemblies to be carried out with axially position is equipped between mounting base.
Circular orientation baffle bag in the axially spaced-apart of I and II planetary assemblies, between secondary planet component and mounting base
Fixed tooth plate is included, the outer rim of fixed tooth plate, which is equipped with, to be used to be meshed with the ring gear in mounting base so that the position of fixed tooth plate
Fixed external toothing.
Circular orientation baffle in the axially spaced-apart of I and II planetary assemblies, between secondary planet component and mounting base is also
The fixation backing plate towards planetary assemblies including being arranged on fixed tooth plate.
The primary planet component includes primary planet wheel, and gearbox shaft is equipped with the axis for being used for driving primary planet wheel
Gear structure, axis gear structure form level-one sun gear.
The mounting base is tube structure, and one end of tube structure is equipped with the fixation for being used for being fixedly connected with gearbox
The blue, other end is the hatch frame for the installation of I and II planetary assemblies, is equipped with collar at hatch frame, ring gear is arranged on cylinder
On the inner wall of body structure.
The beneficial effects of the utility model are：Mounting base is fixed on gear box of tractor during use, in mounting base in
In the axially spaced-apart of I and II planetary assemblies, between primary planet carrier and mounting base, and/or secondary planet component and mounting base
Between be equipped with circular orientation baffle, the interval between each planetary assemblies is reduced with circular orientation baffle, avoid between planetary assemblies,
Rub between planetary assemblies and mounting base；Compared with the prior art, the running precision higher of climbing mechanism, service life is more
Long, tractor operation is more steady.
Brief description of the drawings
Fig. 1 is that structure of the specific embodiment of the tractor creeper gear transmission mechanism of the utility model in use state is shown
It is intended to.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the tractor creeper gear transmission mechanism of the utility model, as shown in Figure 1, including 1 He of mounting base
The I and II planetary assemblies being arranged in mounting base, mounting base 1 are tube structure, and one end of mounting base 1, which is equipped with, to be used for and speed change
Mounting flange that tank shell 12 is fixedly connected, the other end are the hatch frame for the installation of I and II planetary assemblies, at hatch frame
Equipped with the collar 10 for carrying out axial block to the component in mounting base 1, the inner wall of mounting base 1 is equipped with ring gear.
The mounting flange is equipped with the mounting hole installed for attachment screw 14, and the head being additionally provided with for attachment screw 14 sinks
The annular groove entered.Primary planet component includes primary planet wheel 3 and primary planet carrier 5, and secondary planet component includes secondary planet wheel 6
With secondary planet frame 9.
Gear structure on the ring gear, primary planet wheel 3 and secondary planet wheel 6 is profile modified gear structure.Level-one
Planetary gear 3 and secondary planet wheel 6 are installed on corresponding planet carrier by axis pin 11 respectively, and axis pin 11 is equipped with for corresponding planet
The needle bearing 7 of rolling assembling is taken turns, in planet wheel spindle to being equipped with gasket 4 between both ends and corresponding planet carrier on axis pin 11.
In mounting base 1 in the axially spaced-apart of I and II planetary assemblies, between primary planet component and mounting base 1 and two
The circular orientation baffle for I and II planetary assemblies to be carried out with axially position is equipped between level planetary assemblies and mounting base 1；
Wherein, the circular orientation baffle in the axially spaced-apart of I and II planetary assemblies, between secondary planet component and mounting base 1 includes
Fixed tooth plate 8 and fixed backing plate 2, the circular orientation baffle between primary planet component and mounting base 1 only include fixed backing plate 2.
Between primary planet carrier 5 and secondary planet frame 9, the side of 1 right output port of close mounting base of secondary planet frame 9 difference
Equipped with fixed tooth plate 8, the outer rim of fixed tooth plate 8 is equipped with the external toothing for being used for being meshed with the ring gear in mounting base 1, fixed
Position of the tooth plate 8 in mounting base 1 keeps fixing, and fixed tooth plate is made of 16Mn materials.
Between fixed tooth plate 8 and corresponding planet carrier, the side of the 1 left side turn edge of close mounting base of primary planet carrier 5 point
Backing plate 2 She You not fixed；Fixed backing plate 2 is made of brass material, and position of the fixed backing plate 2 in mounting base 1 keeps fixing.
Gearbox shaft 13 is equipped with the axis gear structure for being used for driving primary planet wheel 3 to rotate, axis gear structure
Level-one sun gear is formed, primary planet wheel 3 is engaged with the ring gear and gearbox shaft 13 of mounting base 1 at the same time.
Primary planet carrier 5 has the level-one frame sleeve body portion for the installation of secondary planet component, is set on level-one frame sleeve body portion
There is the gear structure being sequentially connected for secondary planet wheel 6, while secondary planet wheel 6 is engaged with the ring gear in mounting base 1
Engaged with the gear on level-one frame sleeve body portion.
Secondary planet frame 9 has the two level frame sleeve body portion for being used for being sequentially connected with the gearshift 16 on output shaft 15,
Two level frame sleeve body portion is equipped with internal spline；Gearshift 16 includes the engaging sleeve being movably arranged on output shaft 15, engaging sleeve
Can left and right sliding on output shaft 15.Engaging sleeve is equipped with the outer flower for being used for coordinating with the internal spline on two level frame sleeve body portion
Key, is additionally provided with after engaging sleeve is moved to the left in place, the internal spline being sequentially connected with the external splines in gearbox shaft 13.
When tractor is walked, when engaging sleeve is connected in gearbox shaft 13, tractor enters normal gear transport condition；
When engaging sleeve and secondary planet frame 9 are sequentially connected, tractor enters the low-speed running state of creeper gear.With 8 He of fixed tooth plate
Fixed backing plate 2 carries out axially position to each planetary assemblies, avoids between planetary assemblies, rubs between planetary assemblies and mounting base
Wipe；Compared with the prior art, the running precision higher of climbing mechanism, service life is longer, and tractor operation is more steady.
In other embodiments, the circular orientation baffle can also only include fixed tooth plate, or only include fixing
Backing plate.
The specific embodiment of the tractor of the utility model, tractor include gearbox and are arranged on creeping on gearbox
Keep off transmission mechanism, creeper gear transmission mechanism and any embodiment of the tractor creeper gear transmission mechanism of above-mentioned the utility model
Structure is identical, repeats no more.
Claims (10)
1. tractor creeper gear transmission mechanism, including for the mounting base being connected with gear box of tractor and it is arranged on mounting base
Gearshift backwards to gear box of tractor side, mounting base are equipped with ring gear, I and II planetary set are equipped with ring gear
Part, it is characterised in that：In axially spaced-apart between I and II planetary assemblies, between primary planet component and mounting base, and/or
The circular orientation baffle for being used for that I and II planetary assemblies to be carried out with axially position is equipped between secondary planet component and mounting base.
2. tractor creeper gear transmission mechanism according to claim 1, it is characterised in that：The axis of I and II planetary assemblies
Circular orientation baffle into interval, between secondary planet component and mounting base includes fixed tooth plate, in the outer rim of fixed tooth plate
Equipped with for being meshed with the ring gear in mounting base so that the external toothing that the position of fixed tooth plate is fixed.
3. tractor creeper gear transmission mechanism according to claim 2, it is characterised in that：The axis of I and II planetary assemblies
Circular orientation baffle into interval, between secondary planet component and mounting base further include be arranged on fixed tooth plate towards planet
The fixation backing plate of component.
4. the tractor creeper gear transmission mechanism according to claim 1 or 2 or 3, it is characterised in that：The primary planet group
Part includes primary planet wheel, and gearbox shaft is equipped with the axis gear structure for being used for driving primary planet wheel, axis gear knot
It is configured to level-one sun gear.
5. the tractor creeper gear transmission mechanism according to claim 1 or 2 or 3, it is characterised in that：The mounting base is cylinder
Body structure, one end of tube structure are equipped with the mounting flange for being used to be fixedly connected with gearbox, the other end as I and II planet
The hatch frame of component installation, is equipped with collar at hatch frame, ring gear is arranged on the inner wall of tube structure.
6. tractor, including gearbox and the creeper gear transmission mechanism being arranged on gearbox, creeper gear transmission mechanism is including using
In the mounting base being connected with gear box of tractor and the gearshift backwards to gear box of tractor side for being arranged on mounting base, peace
Dress seat is equipped with ring gear, and I and II planetary assemblies are equipped with ring gear, it is characterised in that：Between I and II planetary assemblies
It is equipped with and is used for pair in axially spaced-apart, between primary planet component and mounting base, and/or between secondary planet component and mounting base
I and II planetary assemblies carry out the circular orientation baffle of axially position.
7. tractor according to claim 6, it is characterised in that：In the axially spaced-apart of I and II planetary assemblies, two level row
Circular orientation baffle between star component and mounting base includes fixed tooth plate, and the outer rim of fixed tooth plate, which is equipped with, to be used for and mounting base
On ring gear be meshed so that fixed tooth plate position fix external toothing.
8. tractor according to claim 7, it is characterised in that：In the axially spaced-apart of I and II planetary assemblies, two level row
Circular orientation baffle between star component and mounting base further includes the fixation backing plate towards planetary assemblies for being arranged on fixed tooth plate.
9. according to the tractor described in claim 6 or 7 or 8, it is characterised in that：The primary planet component includes primary planet
Wheel, gearbox shaft are equipped with the axis gear structure for being used for driving primary planet wheel, and axis gear structure forms the level-one sun
Wheel.
10. according to the tractor described in claim 6 or 7 or 8, it is characterised in that：The mounting base is tube structure, cylinder knot
One end of structure is equipped with the mounting flange for being used to be fixedly connected with gearbox, the other end is opening for the installation of I and II planetary assemblies
Mouth structure, is equipped with collar at hatch frame, ring gear is arranged on the inner wall of tube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800444.2U CN207349371U (en) | 2017-07-04 | 2017-07-04 | Tractor creeper gear transmission mechanism and the tractor using the mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800444.2U CN207349371U (en) | 2017-07-04 | 2017-07-04 | Tractor creeper gear transmission mechanism and the tractor using the mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349371U true CN207349371U (en) | 2018-05-11 |
Family
ID=62359094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720800444.2U Expired - Fee Related CN207349371U (en) | 2017-07-04 | 2017-07-04 | Tractor creeper gear transmission mechanism and the tractor using the mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386493A (en) * | 2018-03-21 | 2018-08-10 | 洛阳世英机械制造有限公司 | A kind of super creeper gear gearbox |
-
2017
- 2017-07-04 CN CN201720800444.2U patent/CN207349371U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386493A (en) * | 2018-03-21 | 2018-08-10 | 洛阳世英机械制造有限公司 | A kind of super creeper gear gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20200704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |