CN204236242U - A kind of agricultural machinery steering drive axle - Google Patents
A kind of agricultural machinery steering drive axle Download PDFInfo
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- CN204236242U CN204236242U CN201420689467.7U CN201420689467U CN204236242U CN 204236242 U CN204236242 U CN 204236242U CN 201420689467 U CN201420689467 U CN 201420689467U CN 204236242 U CN204236242 U CN 204236242U
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- bevel gear
- wheel
- gear
- spiral bevel
- reducing mechanism
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Abstract
The utility model discloses a kind of agricultural machinery steering drive axle, it adopts double reduction mechanism, one-level is main gear spiral bevel gear speed reducer structure, secondary is wheel limit planetary gear reducing mechanism, main gear spiral bevel gear speed reducer structure comprises a pair spiral bevel gear and differential assembly, diff connection for transmission axle; The sun wheel of transmission shaft fifth wheel side reducer planetary gear speed reducing mechanism, by planetary gear speed reducing mechanism by transmission of power on wheel.Its beneficial effect is: by change speed gear box, a part of power is delivered to back axle via transmission shaft, changes existing forerunner's layout into four-wheel wheel drive, and when normal road, four-wheel drive system is closed, and improves fuel economy; When complete machine is in yielding ground operation, opens four-wheel drive system, improve complete machine crossing ability and operating efficiency.
Description
Technical field
The utility model relates to a kind of agricultural machinery steering drive axle, belong to farm machinery chassis and drive field.
Background technology
Current domestic reaping corn machinery driving system is limited to cost and technology mostly adopts two to drive layout, and namely front-wheel is drive axle, and trailing wheel is the arrangement of steeraxle.The advantage of this mounting means is that complete machine chassis layout is convenient, driving engine, change speed gear box and drive axle are all concentrated on complete machine front portion, its result caused is exactly that center of gravity is forward, due to the operating characteristic of corn picker, just greatly reduce the crossing ability of complete machine on muddy or yielding ground, affect harvesting efficiency.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, a kind of rational in infrastructure, good reliability is provided, integrates and turn to and drive, and adopt rocking carrier to install, whole bridge can swing up and down with surface irregularity, effectively can improve the steering drive axle of agricultural operation machinery crossing ability and work efficiency.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is: a kind of agricultural machinery steering drive axle, adopt double reduction mechanism, one-level is main gear spiral bevel gear speed reducer structure, secondary is secondary is wheel limit planetary gear reducing mechanism, wherein main gear spiral bevel gear speed reducer structure comprises a pair spiral bevel gear and differential assembly, and a pair spiral bevel gear is respectively initiatively spiral bevel gear and large spiral bevel gear simultaneously; Initiatively spiral bevel gear is connected in bracket by bearing, and described large spiral bevel gear is fixedly connected with differential assembly by bolt; Differential assembly comprises: finishing bevel gear cuter, bevel gear shaft, axle side gear and differential casing; Finishing bevel gear cuter is installed in differential casing by bevel gear shaft, and finishing bevel gear cuter engages with axle side gear simultaneously; Axle side gear is connected with transmission shaft by spline; Secondary comprises for taking turns limit planetary gear reducing mechanism: sun wheel, satellite gear, internally toothed annulus, planetary wheel carrier, hub and gear ring support; Internally toothed annulus is fixed on the pivot shaft of wheel limit by spline; Hub is located by connecting on the pivot shaft of wheel limit by the 18 bearing and the 19 bearing.Secondary is connected with steering swivel for wheel limit planetary gear reducing mechanism passes through the 16 bolt, and steering swivel is arranged on axle housing body by bearing.
Further, axle housing body is equipped with hydraulic actuating cylinder, hydraulic cylinder body has two oilholes connect operate outside oil, after working oil starts, internal hydraulic pressure bar moves axially under piston action, and hydraulic actuating cylinder is connected by steering cylinder assembly and promotes steering swivel rotation.
Further, main gear spiral bevel gear speed reducer structure two ends are equipped with on rocking carrier connecting vehicle frame, and whole bridge can swing up and down along input center.
Further, secondary is that planetary wheel carrier and the wheel hub of wheel limit planetary gear reducing mechanism is connected by independently bolt; There is the flange of installing wheel at the periphery design of wheel hub, flange is holed by rim bolt installing wheel.
Further, the finishing bevel gear cuter in differential assembly and axle side gear are by precision drop forging formed machining.
The utility model changes the chassis type of drive of corn picker, by change speed gear box, a part of power is delivered to back axle via transmission shaft, change existing forerunner's layout into four-wheel wheel drive, when normal road, four-wheel drive system is closed, and improves fuel economy; When complete machine is in yielding ground operation, open four-wheel drive system, improve complete machine and pass through and operating efficiency.
Accompanying drawing explanation
1. Fig. 1 is an embodiment appearance schematic diagram of the present utility model;
2. Fig. 2 is main gear spiral bevel gear speed reducer structure schematic diagram;
3. Fig. 3 is secondary is wheel limit planetary gear reducing mechanism schematic diagram.
In figure: 1-main reduction gear, 2-steering cylinder assembly, 3-wheel reduction gear, 4-axle housing body, 5-rocking carrier, 6-planetary wheel carrier, 6a--hydraulic actuating cylinder, 7-hub, 8-planet wheel spindle, 9-internally toothed annulus, 10-gear ring supports, 11-satellite gear, 12-needle roller, 13-sun wheel, 15-takes turns limit pivot shaft, 16-the 16 bolt, 17-transmission shaft, 18-the 18 bearing, 19-the 19 bearing, 20-rim bolt, 21-differential assembly, 22-steering swivel, 23-is spiral bevel gear initiatively, the large spiral bevel gear of 24-, 25-differential casing, 26-bracket, 27-axle side gear, 28-bevel gear shaft, 29-finishing bevel gear cuter, 30-the 30 bearing.
Detailed description of the invention
Below in conjunction with accompanying drawing, utility model is described in detail: as shown in Figure 1 to Figure 3,
A kind of agricultural machinery steering drive axle, comprising: main gear spiral bevel gear speed reducer structure 1, steering cylinder assembly 2, secondary are wheel limit planetary gear reducing mechanism 3, axle housing body 4 and rocking carrier 5.Its turning function is mainly through realizing with under type: steering swivel 22 is arranged on described axle housing body 4 by bearing, hydraulic actuating cylinder 6a is bolted on described axle housing body 4, described hydraulic actuating cylinder 6a cylinder body there are two oilholes connect operate outside oil, after working oil starts, internal hydraulic pressure bar moves axially under piston action, hydraulic actuating cylinder 6a is connected by steering cylinder assembly 2 and promotes steering swivel 22 and rotates, thus realizes turning function.This utility model is connected with vehicle frame by the rocking carrier 5 at main gear spiral bevel gear speed reducer structure 1 two ends, and whole bridge can swing up and down along input center.
The utility model adopts double reduction mechanism simultaneously, and one-level is main gear spiral bevel gear speed reducer structure 1, and secondary is wheel limit planetary gear reducing mechanism 3.Be illustrated in figure 2 described main gear spiral bevel gear speed reducer structure 1 and mainly comprise a pair spiral bevel gear and differential assembly 21, wherein initiatively spiral bevel gear 23 is connected in bracket 26 by bearing, and large spiral bevel gear 24 and differential assembly 21 are connected and fixed by bolt; Described differential assembly is made up of finishing bevel gear cuter 29, bevel gear shaft 28, axle side gear 27 and differential casing 25 and is arranged in bracket 26 by the 30 bearing 30, and described axle side gear is connected with transmission shaft 17 by spline.
As shown in Figure 3, secondary described in the utility model is for wheel limit planetary gear reducing mechanism 3 is primarily of formations such as sun wheel 13, satellite gear 11, internally toothed annulus 9, planetary wheel carrier 6, hub 7, gear ring supports 10.Described satellite gear is arranged on planet wheel spindle 8 by needle roller 12, and described planet wheel spindle is put in the hole on described planetary wheel carrier 6.Described sun wheel is arranged on one end of transmission shaft 17, and described internally toothed annulus relies on described gear ring to support and fixes with wheel limit pivot shaft 15.Wheel hub relies on taper needle bearing 18 and 19 and describedly takes turns limit pivot shaft and described gear ring support and connection.Planetary wheel carrier 6 and hub 7 are bolted; Whole secondary is fixed on steering swivel 22 by the 16 bolt 16 for taking turns limit planetary gear reducing mechanism 3.Planetary wheel carrier 6 is equipped with rim bolt 20 in order to installing wheel, thus drives complete machine walking.
Claims (5)
1. an agricultural machinery steering drive axle, it adopts double reduction mechanism, one-level is main gear spiral bevel gear speed reducer structure (1), secondary is wheel limit planetary gear reducing mechanism (3), it is characterized in that: described main gear spiral bevel gear speed reducer structure (1) comprises a pair spiral bevel gear and differential assembly (21), wherein a pair spiral bevel gear is respectively initiatively spiral bevel gear (23) and large spiral bevel gear (24); Described active spiral bevel gear (23) is connected in bracket (26) by bearing, and described large spiral bevel gear (24) is fixedly connected with differential assembly (21) by bolt; Described differential assembly (21) comprising: finishing bevel gear cuter (29), bevel gear shaft (28), axle side gear (27) and differential casing (25); Described finishing bevel gear cuter (29) is installed in differential casing (25) by bevel gear shaft (28), and finishing bevel gear cuter (29) engages with axle side gear (27) simultaneously; Described axle side gear (27) is connected with transmission shaft (17) by spline; Described wheel limit planetary gear reducing mechanism (3) comprising: sun wheel (13), satellite gear (11), internally toothed annulus (9), planetary wheel carrier (6), hub (7) and gear ring support (10); Described internally toothed annulus (9) is fixed on wheel limit pivot shaft (15) by spline; Described hub (9) is located by connecting on wheel limit pivot shaft (15) by the 18 bearing (18) and the 19 bearing (19); Described limit planetary gear reducing mechanism (3) of taking turns is connected with steering swivel (22) by the 16 bolt (16), and described steering swivel (22) is arranged on axle housing body (4) by bearing.
2. a kind of agricultural machinery steering drive axle according to claim 1, it is characterized in that: described axle housing body is equipped with hydraulic actuating cylinder (6a), described hydraulic actuating cylinder (6a) cylinder body there are two oilholes connect operate outside oil, after working oil starts, internal hydraulic pressure bar moves axially under piston action, and hydraulic actuating cylinder (6a) is connected by steering cylinder assembly (2) and promotes steering swivel (22) rotation.
3. a kind of agricultural machinery steering drive axle according to claim 1, is characterized in that: described main gear spiral bevel gear speed reducer structure (1) two ends are equipped with on rocking carrier (5) connecting vehicle frame, and whole bridge can swing up and down along input center.
4. a kind of agricultural machinery steering drive axle according to claim 1, is characterized in that: the planetary wheel carrier (6) on described wheel limit planetary gear reducing mechanism (3) and wheel hub are connected by independently bolt; There is the flange of installing wheel at the periphery design of wheel hub, flange is holed by rim bolt (20) installing wheel.
5. a kind of agricultural machinery steering drive axle according to claim 1, is characterized in that: the finishing bevel gear cuter (29) in described differential assembly (21) and axle side gear (27) are by precision drop forging formed machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689467.7U CN204236242U (en) | 2014-11-18 | 2014-11-18 | A kind of agricultural machinery steering drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689467.7U CN204236242U (en) | 2014-11-18 | 2014-11-18 | A kind of agricultural machinery steering drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204236242U true CN204236242U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420689467.7U Active CN204236242U (en) | 2014-11-18 | 2014-11-18 | A kind of agricultural machinery steering drive axle |
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| Country | Link |
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| CN (1) | CN204236242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442374A (en) * | 2014-11-18 | 2015-03-25 | 绍兴前进齿轮箱有限公司 | Steering drive axle for agricultural machine |
-
2014
- 2014-11-18 CN CN201420689467.7U patent/CN204236242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442374A (en) * | 2014-11-18 | 2015-03-25 | 绍兴前进齿轮箱有限公司 | Steering drive axle for agricultural machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |