CN203611744U - Rear steering drive axle of combined harvester - Google Patents
Rear steering drive axle of combined harvester Download PDFInfo
- Publication number
- CN203611744U CN203611744U CN201320839840.8U CN201320839840U CN203611744U CN 203611744 U CN203611744 U CN 203611744U CN 201320839840 U CN201320839840 U CN 201320839840U CN 203611744 U CN203611744 U CN 203611744U
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- China
- Prior art keywords
- steering
- bridge tube
- steering swivel
- wheel
- drive axle
- 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 - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 21
- 230000009467 reduction Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 4
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 5
- 230000013011 mating Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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- Retarders (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a rear steering drive axle of a combined harvester. The rear steering drive axle comprises a central speed reducer assembly. The two ends of the central speed reducer assembly are provided with a first axle tube and a second axle tube respectively. The other end of the first axle tube and the other end of the second axle tube are respectively connected with a wheel rim speed reducer assembly through a steering knuckle. Each wheel rim speed reducer assembly comprises a wheel hub and a transmission shaft connected with the central speed reducer assembly, wherein the transmission shaft penetrates through the wheel hub and is provided with a sun wheel, a planetary carrier is installed on the wheel hub, a plurality of planetary wheels are arranged on the planetary carrier, and the peripheries of the planetary wheels are meshed with toothed discs fixedly installed on the steering knuckles. The two steering knuckles are connected through a steering connecting rod. A driving device used for steering is arranged between the second axle tube and the steering knuckle close to the second axle tube. According to the rear steering drive axle of the combined harvester, the transmission structure is simple, power transmission reliability is effectively improved, work reliability is ensured, and the service life is long; due to the fact that the driving device is arranged between the second axle tube and the steering knuckle, driving reliability is ensured, and the phenomenon of a dead point is avoided.
Description
Technical field
The utility model belongs to agricultural machinery technological field, relates in particular to a kind of combination machine rear steering drive axle.
Background technology
At present traditional combined harvester is two-wheel drive, i.e. f-w-d, rear-axle steering, the functions such as back axle only has the body of support, turns to, walking.The guarantee operation of normally walking in the situation that soil condition is good, when run into low-lying or muddy operating environment in farmland time, easily delay operation, affect this season crop timely harvesting and lower season crop sowing in time, thereby carry out low-lying or muddy operation with the combined harvester of four wheel drive gradually, f-w-d drives as major impetus, trailing wheel is as assistive drive, but when back-wheel drive, transmission shaft by transmission of power to wheel reduction gear, because the inside transmission of wheel reduction gear is to be provided with connecting key between transmission shaft and sun wheel substantially, by connecting key transmission shaft by transmission of power to sun wheel, because connecting key there will be wearing and tearing at work often, thereby at work, transfer reliability reduces, cause under power, and then affect the reliability of work, and transferring structure complexity.
In addition, there is the not enough phenomenon of sealing at seal aspect in most steering drive axle, easily occurs oil seepage phenomena, and impact is normally used; Simultaneously not in place at power input power universal-joint and the protection of rear driving axle junction, earth easily infiltrates, and affects transmission and the service life of Transmission, and the dangerous property of universal-joint and rear driving axle junction.
Utility model content
The purpose of this utility model is to provide a kind of combination machine rear steering drive axle; when the combination machine rear steering providing with solution prior art drives; the inside drive mechanism complexity of wheel reduction gear; and connecting key there will be wearing and tearing at work often; thereby at work; transfer reliability reduces, and causes under power, and then affects the problem of the reliability of work.
For solving the problems of the technologies described above, the technical solution of the utility model is: combination machine rear steering drive axle, comprise the central reducer unit assembly being connected with engine installation, the two ends of described central reducer unit assembly are separately installed with the first bridge tube and the second bridge tube, the other end of described the first bridge tube and described the second bridge tube is all connected a wheel reduction gear assembly separately by steering swivel, described wheel reduction gear assembly comprises wheel hub and the transmission shaft being connected with described central reducer unit assembly, described steering swivel is rotatably installed on described wheel hub, described transmission shaft is provided with sun wheel through described steering swivel and near one end of described wheel hub, on described wheel hub, pinion carrier is installed, described pinion carrier is provided with the satellite gear that some and described sun wheel engages, the periphery of described satellite gear is engaged with fluted disc, described fluted disc is fixedly mounted on steering swivel,
Described in two, steering swivel is connected by a Linkage steering, between the described steering swivel of close described the second bridge tube and described the second bridge tube, is provided with the actuating device for turning to.
Improve as one, described satellite gear is fixedly mounted in described pinion carrier by fix shaft.
Improve as one, described fluted disc comprises the gear ring that is arranged on described satellite gear periphery, on described gear ring, is engaged with braces, and described braces is fixedly mounted on described steering swivel.
As further improvement, the one end near described engine installation on the housing of described central reducer unit assembly is provided with protective cover.
As further improving, described the first bridge tube and described the second bridge tube, all by turning to gland and described steering swivel to link together, are equipped with the axle sleeve that supports described transmission shaft in described the first bridge tube and described the second bridge tube; Between described transmission shaft and described steering swivel and described axle sleeve, be equipped with combined seal.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
Because transmission shaft is provided with sun wheel, thereby drive satellite gear to rotate by sun wheel, because satellite gear is arranged in pinion carrier, pinion carrier and wheel hub are fixedly installed togather, and then satellite gear drive pinion carrier rotates together with wheel hub, realize back-wheel drive.Transferring structure is simple, has effectively improved transmission of power reliability, and then has guaranteed the reliability of work, and long service life; Owing to being provided with the actuating device for turning between steering swivel and the second bridge tube, and be provided with Linkage steering between two steering swivels of a side relative to actuating device, thereby by the mating reaction of actuating device and Linkage steering, drive rear-axle steering, simultaneously, be arranged between steering swivel and the second bridge tube by actuating device, guaranteed the reliability driving, avoid occurring dead point phenomenon.
Because the junction of central reducer unit assembly and engine installation is provided with protective cover, thereby by protective cover, the power intake of central speed reducer assembly is carried out to safety precaution, power input power universal-joint and rear driving axle junction are protected, prevent Peril Incident, avoid entering of earth simultaneously, guaranteed transmission and the service life of Transmission.
Owing to being equipped with combined seal between transmission shaft and steering swivel and axle sleeve, thereby guarantee sealing effectiveness by combined seal, avoided oil impregnate, oil leakage phenomenon to occur and impact use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the structural representation enlarged drawing of the second bridge tube and wheel reduction gear assembly;
Fig. 4 is the structural representation of B in Fig. 3
Fig. 5 is the structural representation of A in Fig. 2;
In figure, 1-central reducer unit assembly; 2-wheel reduction gear assembly; 3-the first bridge tube; 4-the second bridge tube; 5-hydraulic ram; 6-universal-joint; 7-turns to gland; 8-steering swivel; 9-input shaft; 10-the first cover body; 11-main casing; 12-axle drive shaft; 13-spline housing; 14-power rail; 15-bores fluted disc; 16-diff; 17-Linkage steering; 18-the second cover body; The 19-obturating plug of ventilating; 20-breather stem vent plug; 21-output shaft; 22-axle sleeve; 23-sun wheel; 24-pinion carrier; 25-fix shaft; 26-satellite gear; 27-locating plate; 28-wheel hub; 29-braces; 30-castellated shaft; 31-gear ring; 32-connects otic placode; 33-connecting panel; 34-lubricating cup; 35-dust cap; 36-oil transportation channel; 37-bearing pin body; 38-oscillating bearing; 39-combined seal; 40-central authorities housing.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As 1 and Fig. 2 and Fig. 3 common as shown in, this combination machine rear steering drive axle comprises the central reducer unit assembly 1 being connected with engine installation, this engine installation comprises the power rail 14 being connected with driving engine, the other end of this power rail 14 is provided with power universal-joint, this central reducer unit assembly 1 comprises central housing 40, on this central authorities' housing 40, be installed with main casing 11, this main casing 11 is provided with the input shaft 9 and the cone fluted disc 15 that are connected with power universal-joint on power rail 14, on this input shaft 9, be provided with the finishing bevel gear cuter suitable with boring fluted disc 15 near one end of cone fluted disc 15, in this cone fluted disc 15, be provided with diff 16, the both sides of this diff 16 connect respectively an axle drive shaft 12, on this main casing 11, be provided with protective cover with the junction of engine installation, there is protective cover the junction that is power input power universal-joint and rear driving axle, this protective cover comprises the first cover body 10 being fixedly mounted on main casing 11 and the second cover body 18 being arranged on the outer hull that supplies power rail rotation 14,
The two ends of this central authorities' housing 40 are installed with respectively the first bridge tube 3 and the second bridge tube 4, the other end of this first bridge tube 3 and the second bridge tube 4 is all connected a wheel reduction gear assembly 2 separately by steering swivel 8, this first bridge tube 3 and the second bridge tube 4 and steering swivel 8 are all by turning to gland 7 to link together, in this second bridge tube 4, all rotate and have transmission shaft with the first bridge tube 3 is interior, this transmission shaft comprises the castellated shaft 30 and the output shaft 21 that link together by universal-joint 6, this universal-joint 6 is corresponding with steering swivel 8 positions, this output shaft 21 extends to wheel reduction gear assembly 2, this castellated shaft 30 and the mutual close one end of axle drive shaft 12 are equipped with spline and interconnect by spline housing 13, between the steering swivel 8 of close the second bridge tube 4 and the second bridge tube 4, be provided with the actuating device for turning to, between two steering swivels 8 of a side relative to actuating device, be provided with Linkage steering 17, this actuating device is hydraulic ram 5, this hydraulic ram 5 is preferably single-action hydrocylinder, the two ends of this hydraulic ram 5 are all hinged on steering swivel 8 and the second bridge tube 4 by connecting otic placode 32, between this connection otic placode 32 and hydraulic ram 5, be provided with oil cylinder bearing pin, this oil cylinder bearing pin comprises bearing pin body 37 and is fixed on the connecting panel 33 on bearing pin body 37, this connecting panel 33 is bolted on and connects on otic placode 32, between this bearing pin body 37 and hydraulic ram 5, be provided with oscillating bearing 38, this bearing pin body 37 is provided with the oil transportation channel 36 that is communicated with oscillating bearing 38, the initiating terminal of this oil transportation channel 36 is provided with lubricating cup 34, this lubricating cup 34 is provided with dust cap 35(referring to Fig. 5).
This wheel reduction gear assembly 2 comprises wheel hub 28, this steering swivel 8 is rotatably installed on wheel hub 28, this output shaft 21 is provided with sun wheel 23 through steering swivel 8 and near one end of wheel hub 28, on this wheel hub 28, pinion carrier 24 is installed, in this pinion carrier 24, be provided with some satellite gears 26 that engage with sun wheel 23, 24 fix shafts 25 that are provided with some support satellite gears 26 in this pinion carrier 24, one side of this satellite gear 26 contacts with pinion carrier 24, the opposite side of this satellite gear 26 is fixed on fix shaft 25 by lock bolt by locating plate 27, the periphery of this satellite gear 26 is engaged with fluted disc, this fluted disc comprises the gear ring 31 that is arranged on satellite gear 26 peripheries, on this gear ring 31, be engaged with braces 29, this braces 29 is mounted by means of bolts on steering swivel 8.
In this second bridge tube 4 and the interior axle sleeve 22 that all supports castellated shaft 30 of the first bridge tube 3, between this castellated shaft 30 and axle sleeve 22, be provided with combined seal 39, between this output shaft 21 and steering swivel 8, be provided with combined seal 39, this combined seal 39 forms (referring to Fig. 4) by several difform packing seals; This second bridge tube 4 is provided with ventilation obturating plug 19, and this ventilation obturating plug 19 is provided with breather stem vent plug 20.
In actual applications, driven by engine power rail 14 is the input shaft 9 to central reducer unit assembly 1 by transmission of power, then power is passed to respectively to the axle drive shaft 12 that is positioned at diff 16 both sides by the mating reaction of cone fluted disc 15 and diff 16, because axle drive shaft 12 is connected with castellated shaft 30, castellated shaft 30 is connected with output shaft 21 by universal-joint 6, and output shaft 21 is provided with sun wheel 23, thereby the sun wheel 23 of power on output shaft 21 passed to satellite gear 26, because satellite gear 26 is fixed in pinion carrier 24, pinion carrier 24 is fixed on wheel hub 28, wheel hub 28 is connected with tire, realize back-wheel drive, transferring structure is simple, effectively improve transmission of power reliability, and then guarantee the reliability of work, and long service life, owing to being provided with the actuating device for turning between steering swivel 8 and the second bridge tube 4, and be provided with Linkage steering 17 between two steering swivels 8 of a side relative to actuating device, thereby by the mating reaction of actuating device and Linkage steering 17, drive rear-axle steering, simultaneously, by being arranged on the actuating device between steering swivel 8 and the second bridge tube 4, guarantee the reliability driving, because the junction of central reducer unit assembly 2 and engine installation is provided with protective cover, thereby by protective cover, the power intake of central speed reducer assembly 2 is carried out to safety precaution, there is protective cover the junction that is power input power universal-joint and rear driving axle, prevent Peril Incident, avoid entering of earth simultaneously, guaranteed transmission and the service life of Transmission.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. combination machine rear steering drive axle, comprise the central reducer unit assembly being connected with engine installation, the two ends of described central reducer unit assembly are separately installed with the first bridge tube and the second bridge tube, the other end of described the first bridge tube and described the second bridge tube is all connected a wheel reduction gear assembly separately by steering swivel, it is characterized in that, described wheel reduction gear assembly comprises wheel hub and the transmission shaft being connected with described central reducer unit assembly, described steering swivel is rotatably installed on described wheel hub, described transmission shaft is provided with sun wheel through described steering swivel and near one end of described wheel hub, on described wheel hub, pinion carrier is installed, described pinion carrier is provided with the satellite gear that some and described sun wheel engages, the periphery of described satellite gear is engaged with fluted disc, described fluted disc is fixedly mounted on described steering swivel,
Described in two, steering swivel is connected by a Linkage steering, between the described steering swivel of close described the second bridge tube and described the second bridge tube, is provided with the actuating device for turning to.
2. combination machine rear steering drive axle according to claim 1, is characterized in that, described satellite gear is fixedly mounted in described pinion carrier by fix shaft.
3. combination machine rear steering drive axle according to claim 1, is characterized in that, described fluted disc comprises the gear ring that is arranged on described satellite gear periphery, on described gear ring, is engaged with braces, and described braces is fixedly mounted on described steering swivel.
4. according to the combination machine rear steering drive axle described in the arbitrary claim of claims 1 to 3, it is characterized in that, the junction of described central reducer unit assembly and described engine installation is provided with protective cover.
5. combination machine rear steering drive axle according to claim 4, it is characterized in that, described the first bridge tube and described the second bridge tube, all by turning to gland and described steering swivel to link together, are equipped with the axle sleeve that supports described transmission shaft in described the first bridge tube and described the second bridge tube; Between described transmission shaft and described steering swivel and described axle sleeve, be equipped with combined seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839840.8U CN203611744U (en) | 2013-12-18 | 2013-12-18 | Rear steering drive axle of combined harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839840.8U CN203611744U (en) | 2013-12-18 | 2013-12-18 | Rear steering drive axle of combined harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611744U true CN203611744U (en) | 2014-05-28 |
Family
ID=50764413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839840.8U Expired - Lifetime CN203611744U (en) | 2013-12-18 | 2013-12-18 | Rear steering drive axle of combined harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203611744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071703A (en) * | 2018-01-11 | 2018-05-25 | 宁波万航实业有限公司 | A kind of constant velocity driving shaft assembly of belt wheel end differential lock |
-
2013
- 2013-12-18 CN CN201320839840.8U patent/CN203611744U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071703A (en) * | 2018-01-11 | 2018-05-25 | 宁波万航实业有限公司 | A kind of constant velocity driving shaft assembly of belt wheel end differential lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY CO., LTD. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: Futian Leiwo International Heavy Industry Co., Ltd. |