CN209725110U - A kind of paddy field tractor front driving axle side reducer - Google Patents

A kind of paddy field tractor front driving axle side reducer Download PDF

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Publication number
CN209725110U
CN209725110U CN201920006069.3U CN201920006069U CN209725110U CN 209725110 U CN209725110 U CN 209725110U CN 201920006069 U CN201920006069 U CN 201920006069U CN 209725110 U CN209725110 U CN 209725110U
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CN
China
Prior art keywords
gear
paddy field
drive axle
planet carrier
front driving
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Active
Application number
CN201920006069.3U
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Chinese (zh)
Inventor
吴雁南
吴长荣
苑进
宋弈
徐洋
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Yancheng City Rong Nan Machinery Manufacturing Co Ltd
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Yancheng City Rong Nan Machinery Manufacturing Co Ltd
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Priority to CN201920006069.3U priority Critical patent/CN209725110U/en
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Abstract

The utility model discloses a kind of paddy field tractor front driving axle side reducers, including drive axle, multiple planetary gears, shell, planet carrier and driven wheel, the middle part of drive axle is fixedly connected with planet carrier to be connect, multiple planetary gears are fixedly installed on planet carrier, multiple planetary gears are meshed with shell and driven wheel simultaneously, driven wheel is slidably connected at the medial end of drive axle, and driven wheel rotation drives planetary gear rotation, and planetary gear drives drive axle to rotate by planet carrier.Paddy field tractor front driving axle side reducer disclosed by the utility model, reduction ratio is big, and gear life is long.

Description

A kind of paddy field tractor front driving axle side reducer
Technical field
The utility model relates to retarder technical fields, subtract in particular to a kind of paddy field tractor front driving axle side Fast device.
Background technique
Currently, conventional paddy field tractor front driving axle side reducer, as shown in Fig. 2, mostly use " basin biting teeth " structure, i.e., half Bevel gear 13 in axle box 12 is meshed with the bevel gear wheel 15 being mounted in drive axle 14, drive axle 14 and auger tooth 15 key connection of wheel, drives drive axle 14 to rotate, slows down smaller by bevel gear wheel 15, meanwhile, the engagement force between gear is very big, It is easy to cause gear failure.
Utility model content
The utility model is intended to solve above-mentioned technical problem to a certain extent.
In view of this, the present invention provides a kind of paddy field tractor front driving axle side reducer, retarder transmissions Than big, the service life is long.
In order to solve the above-mentioned technical problem, the utility model provides a kind of paddy field tractor front driving axle side reducer, It is characterised in that it includes drive axle, multiple planetary gears, shell, planet carrier and driven wheel, the middle part of the drive axle and institute State planet carrier to be fixedly connected, be fixedly installed with multiple planetary gears on the planet carrier, multiple planetary gears simultaneously with institute It states shell and the driven wheel is meshed, the driven wheel is slidably connected at the medial end of the drive axle, described driven Wheel rotation drives the planetary gear rotation, and the planetary gear drives the drive axle to rotate by planet carrier.
Further, sliding bearing is provided between the driven wheel and the drive axle, and the sliding bearing is arranged In the drive axle.
Further, the planet carrier and multiple planetary gears are keyed, and the planetary gear is located at the planet carrier and institute It states between driven wheel, also, the drive axle installs the installation position of the sliding bearing in the lower part of the planetary gear.
Further, the corresponding site of the shell inlays rack gear, and the gear ring is engaged with the planetary gear.
Further, the shell is upper housing and lower case in gear ring punishment, and the upper housing and lower case connect Contacting surface is equipped with composite sealing ring, and the composite sealing ring is followed successively by oleophobic layer and sealant, oleophobic layer material from Inside To Outside For fluorine silicone rubber, the sealant material is nitrile rubber.
Further, the drive axle is multi-diameter shaft, the shaft shoulder on the sliding bearing and the drive axle at ladder It offsets.
Further, the driven wheel is divided into left gear and right gear, and the left gear is connected with the right gear, described Left gear is set on the sliding bearing and is meshed with the planetary gear, and the right gear is bevel gear.
Further, bearing, the drive axle are mounted between the head end of the drive axle and end and the shell The bearing of head end offsets with the planet carrier, is provided with collar between the bearing and the right gear of the drive axle end.
Further, the drive axle is connect with the planet carrier using spline.
Further, the quantity of the planetary gear is two or three.
The utility model has the technical effect that a kind of paddy field tractor front driving axle side provided by the utility model is slowed down Device, driven wheel are sun gear, and sun gear drives planetary gear rotation, and planetary gear drives drive axle to rotate by planet carrier, are slowed down Than big, meanwhile, it is engaged by multiple planetary gears with sun gear, wheel between cog active force is smaller, and gear life is long;The utility model provides A kind of paddy field tractor front driving axle side reducer, shell is divided into upper housing and lower case, bolt between upper housing and lower case Connection, convenient disassembly, while composite sealing ring is set between upper housing and lower case, sealing effect is good;In addition, the utility model mentions A kind of paddy field tractor front driving axle side reducer supplied, driven wheel be divided into left gear and right gear, and nibbles with planetary gear Conjunction portion in planetary gear between drive axle, it is compact-sized.
Detailed description of the invention
Fig. 1 is a kind of paddy field tractor front driving axle side reducer structural schematic diagram according to the present utility model;
Fig. 2 is conventional paddy field tractor front driving axle side reducer structural schematic diagram.
Wherein, 1- drive axle;2- planetary gear;3- shell;31- upper housing;32- lower case;33- composite sealing ring;34- Gear ring;4- planet carrier;5- driven wheel;51- left gear;52- right gear;6- sliding bearing;Half axle box of 7-;71- bevel gear; 81- first bearing;82- second bearing;9- collar;11- mounting portion;Half axle box of 12-;13- bevel gear;14- drive axle; 15- bevel gear wheel.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model can be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Specific embodiment according to the present utility model, as shown in Figure 1, before the utility model provides a kind of paddy field tractor Drive axle side reducer, which is characterized in that preceding including drive axle 1, multiple planetary gears 2, shell 3, planet carrier 4 and driven wheel 5 The middle part of drive shaft 1 is connect with 4 spline of planet carrier, and multiple planetary gears 2 are fixedly installed on planet carrier 4, and multiple planetary gears 2 are same When be meshed with shell 3 and driven wheel 5, the corresponding site of shell 3 inlays rack gear 34, and gear ring 34 is engaged with planetary gear 2, driven Wheel 5 is connected to the medial end of drive axle 1, and driven wheel 5 is slidably connected with drive axle 1, driven wheel 5 and drive axle Sliding bearing 6 is provided between 1, and sliding bearing 6 is set in drive axle 1, the bearing capacity of sliding bearing 6 is good, and diameter It is smaller to size, it is compact-sized.
In the present embodiment, as shown in Figure 1, planet carrier 2 and multiple planetary gears 4 are keyed, planetary gear 4 is located at planet carrier 2 Between driven wheel 5, also, the mounting portion 11 of the installation sliding bearing of drive axle 1 is located at the lower part of planetary gear, and driven wheel 5 has There are left gear 51 and right gear 52, left gear 51 is set on sliding bearing 6 and is meshed with planetary gear 4, compact-sized, right tooth Wheel 52 is bevel gear, can be meshed with the bevel gear 71 in half axle box 7.
In the present embodiment, as shown in Figure 1, shell 3 gear ring punishment be upper housing 31 and lower case 32, upper housing 31 with Lower case 32 is connected by screw bolts.Connection is simple, convenient disassembly;Upper housing 31 and the contact surface of lower case 32 are equipped with compound seal Circle 33, composite sealing ring 33 are followed successively by oleophobic layer and sealant from Inside To Outside, and oleophobic layer material is fluorine silicone rubber, oil resistivity Good, sealant material is nitrile rubber, and elasticity is good, good airproof performance more abundant with the contact of shell 3.
In the present embodiment, as shown in Figure 1, being equipped with bearing between the head end and end and shell of drive axle 1, preceding driving The first bearing 81 of 1 head end of axis offsets with planet carrier 2, is arranged between the second bearing 82 and right gear 52 of 1 end of drive axle There is collar 9, drive axle 1 is multi-diameter shaft, and 6 side of sliding bearing offsets with the shaft shoulder at ladder in drive axle 1, sliding bearing 6 other side offsets with collar 9, and the positioning of sliding bearing 6 is simple and reliable, while multi-diameter shaft can also mitigate drive axle 1 Quality.
In the present embodiment, as shown in Figure 1, the quantity of planetary gear 2 is two or three, driven wheel 5 can effectively be shared The active force of between cog is taken turns with planetary gear 2, effectively extension gear life.
A kind of paddy field tractor front driving axle side reducer according to the present utility model, it is as follows using principle: half axle box Bevel gear 71 in body 7 is meshed with the right gear 52 of driven wheel 5, under the drive of the bevel gear 71 in half axle box 7, left tooth Wheel 51 is rotated synchronously with right gear 52, and left gear 51 is meshed with planetary gear 2 and planetary gear 2 is driven to rotate, and planetary gear 2 drives row Carrier 4 rotates, then drives drive axle 1 to rotate by planet carrier 4.A kind of paddy field tractor front driving axle side subtracts in the utility model Fast device is sun gear with driven wheel 5, and planet carrier 4 drives drive axle 1 to rotate, and reduction ratio is big;Shell 3 divides for upper housing simultaneously 31 and lower case 32, composite sealing ring 33 is arranged in junction, and to be bolted, is sealed, convenient disassembly.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.

Claims (10)

1. a kind of paddy field tractor front driving axle side reducer, which is characterized in that including drive axle, multiple planetary gears, shell, Planet carrier and driven wheel, the middle part of the drive axle are fixedly connected with the planet carrier, are fixedly installed on the planet carrier Multiple planetary gears, multiple planetary gears are meshed with the shell and the driven wheel simultaneously, the driven slipping It is connected to the medial end of the drive axle, the driven wheel rotation drives the planetary gear rotation, and the planetary gear passes through Planet carrier drives the drive axle rotation.
2. a kind of paddy field tractor front driving axle side reducer according to claim 1, which is characterized in that the driven wheel Sliding bearing is provided between the drive axle, and the sliding bearing is set in the drive axle.
3. a kind of paddy field tractor front driving axle side reducer according to claim 2, which is characterized in that the planet carrier It is keyed with multiple planetary gears, the planetary gear is between the planet carrier and the driven wheel, also, the forerunner Moving axis installs the installation position of the sliding bearing in the lower part of the planetary gear.
4. a kind of paddy field tractor front driving axle side reducer according to claim 1, which is characterized in that the shell Corresponding site inlays rack gear, and the gear ring is engaged with the planetary gear.
5. a kind of paddy field tractor front driving axle side reducer according to claim 4, which is characterized in that the shell exists Gear ring punishment is upper housing and lower case, and the contact surface of the upper housing and lower case is equipped with composite sealing ring, described multiple It closes sealing ring and is followed successively by oleophobic layer and sealant from Inside To Outside, oleophobic layer material is fluorine silicone rubber, the sealant material For nitrile rubber.
6. a kind of paddy field tractor front driving axle side reducer according to claim 2, which is characterized in that driving before described Axis is multi-diameter shaft, and the sliding bearing offsets with the shaft shoulder at ladder in the drive axle.
7. a kind of paddy field tractor front driving axle side reducer according to claim 2, which is characterized in that the driven wheel It is divided into left gear and right gear, the left gear is connected with the right gear, and the left gear is set in the sliding bearing It above and with the planetary gear is meshed, the right gear is bevel gear.
8. a kind of paddy field tractor front driving axle side reducer according to claim 7, which is characterized in that driving before described Bearing, the bearing of the drive axle head end and the planet carrier phase are mounted between the head end of axis and end and the shell It supports, is provided with collar between the bearing and the right gear of the drive axle end.
9. a kind of paddy field tractor front driving axle side reducer according to claim 1, which is characterized in that driving before described Axis is connect with the planet carrier using spline.
10. a kind of paddy field tractor front driving axle side reducer according to claim 1, which is characterized in that the planet The quantity of wheel is two or three.
CN201920006069.3U 2019-01-02 2019-01-02 A kind of paddy field tractor front driving axle side reducer Active CN209725110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920006069.3U CN209725110U (en) 2019-01-02 2019-01-02 A kind of paddy field tractor front driving axle side reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920006069.3U CN209725110U (en) 2019-01-02 2019-01-02 A kind of paddy field tractor front driving axle side reducer

Publications (1)

Publication Number Publication Date
CN209725110U true CN209725110U (en) 2019-12-03

Family

ID=68678949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920006069.3U Active CN209725110U (en) 2019-01-02 2019-01-02 A kind of paddy field tractor front driving axle side reducer

Country Status (1)

Country Link
CN (1) CN209725110U (en)

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