CN204137103U - The steering hardware of wheeled rice wheat combine harvester rear driving axle - Google Patents
The steering hardware of wheeled rice wheat combine harvester rear driving axle Download PDFInfo
- Publication number
- CN204137103U CN204137103U CN201420559837.5U CN201420559837U CN204137103U CN 204137103 U CN204137103 U CN 204137103U CN 201420559837 U CN201420559837 U CN 201420559837U CN 204137103 U CN204137103 U CN 204137103U
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- steering
- rod
- piston
- driving axle
- rear driving
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- 240000000359 Triticum dicoccon Species 0.000 title claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model relates to drive axle steering hardware technical field, particularly relate to a kind of steering hardware of wheeled rice wheat combine harvester rear driving axle, comprise the double piston-rod double acting steering cylinder be fixedly installed on the central housing of described rear driving axle, described double piston-rod double acting steering cylinder is positioned at the side of described central housing, the piston rod at described double piston-rod double acting steering cylinder two ends is corresponding to be respectively connected with a connecting ball head, connecting ball head described in two connects a Linkage steering separately away from one end of the described piston rod of correspondence respectively, Linkage steering described in two is provided with a ball end separately away from one end of described connecting ball head respectively, ball end described in two is hinged with the steering swivel of described rear driving axle corresponding end respectively.The beneficial effects of the utility model: substantially increase the stability and conformability that turn to, simplify the structure, are convenient to safeguard and install.
Description
Technical field
The utility model relates to drive axle steering hardware technical field, particularly relates to a kind of steering hardware of wheeled rice wheat combine harvester rear driving axle.
Background technology
Wheeled rice-wheat combine harvester tool is generally deflection trailing wheel and turns to when turning to, the steering mode of current four-wheel drive wheeled rice-wheat combine harvester tool is generally trailing wheel fluid-link steering, implementation for install steering hydraulic oil cylinder on rear steering drive axle, steering hydraulic oil cylinder pattern is single-piston rod two-way cylinder, and mounting means is side.
The principle of work that turns to of the rear steering drive axle of above-mentioned form is: the hydraulic oil that steering hydraulic pump provides enters steering cylinder by steering oil pipe, hydraulic oil promotes in-oil cylinder piston and moves together with piston rod, piston rod drives the steering swivel be connected with piston rod to rotate around kingpin line, and drive the steering swivel of opposite side to rotate around the kingpin line of opposite side by tierod, thus trailing wheel is driven to turn to side; Trailing wheel can be driven to turn to other side during hydraulic oil counter-flow in hydraulic ram.The rear steering drive axle of the single side single-piston rod two-way cylinder of above-mentioned layout, the speed when both forward and reverse directions of steering cylinder internal piston moves is different with thrust, bearing circle active coils during left and right turn is also different, and stability when turning to and conformability not easily ensure.
In addition, piston rod place is protected by telescopic plastics or elastometric boot, and hard foreign material cannot be avoided the damage of piston rod, and once impurity is not easily deviate from after entering protecting jacket inside, easy after long-time wearing and tearing are caused to piston rod surface, thus cause oil cylinder leakage of oil.
Utility model content
The purpose of this utility model is the steering hardware of the rear driving axle providing a kind of wheeled rice wheat combine harvester, with solve adopt existing use drive axle rear steering device due to structural limitations own, cause the technical matters of steering stability and conformability difference.
The utility model realizes like this, a kind of steering hardware of wheeled rice wheat combine harvester rear driving axle, comprise the double piston-rod double acting steering cylinder be fixedly installed on the central housing of described rear driving axle, described double piston-rod double acting steering cylinder is positioned at the side of described central housing, the piston rod at described double piston-rod double acting steering cylinder two ends is corresponding to be respectively connected with a connecting ball head, connecting ball head described in two connects a Linkage steering separately away from one end of the described piston rod of correspondence respectively, Linkage steering described in two is provided with a ball end separately away from one end of described connecting ball head respectively, ball end described in two is hinged with the steering swivel of described rear driving axle corresponding end respectively.
As improving further, described ball end comprises the ball head and connecting portion that are linked as one, the connecting portion constraint of described ball end is arranged on the ear seat of described steering swivel, be threaded connection between the ball head of described ball end and described Linkage steering, the side of the junction of described connecting portion and described Linkage steering is provided with a fluted nut, described fluted nut is provided with the spring cotter for locking described fluted nut, and described spring cotter is each passed through described fluted nut and described connecting portion.
As improving further, one end of described connecting ball head is threaded connection with between the piston rod of corresponding described double piston-rod double acting steering cylinder, also be threaded connection between the other end and corresponding described Linkage steering, and the junction of described connecting ball head and described Linkage steering is provided with clamp nut.
As improving further, the outside of the piston rod at described double piston-rod double acting steering cylinder two ends respectively correspondence arranges a protective shroud, and described protective shroud extends to the connection location of described connecting ball head and described Linkage steering from one end of described double piston-rod double acting steering cylinder.
After have employed technique scheme, the beneficial effects of the utility model are:
Because double piston-rod double acting steering cylinder is arranged on the central housing of rear driving axle, double piston-rod double acting steering cylinder is positioned at the side of described central housing, the piston rod at double piston-rod double acting steering cylinder two ends is corresponding to be respectively connected with a connecting ball head, connecting ball head described in two connects a Linkage steering separately away from one end of the described piston rod of correspondence respectively, Linkage steering described in two is provided with a ball end separately away from one end of described connecting ball head respectively, and ball end described in two is hinged with the steering swivel of described rear driving axle corresponding end respectively.The selection pattern of above-mentioned steering cylinder is double piston-rod two-way cylinder, stability when ensure that left and right turn and conformability, the arrangement of steering cylinder is mid-simultaneously, the two ends of steering cylinder are connected with steering swivel by Linkage steering, replace the parts such as original intermediate rod, Linkage steering action simultaneously, both sides steering effort is symmetrical, substantially increase the stability and conformability that turn to, simplify the structure, be convenient to safeguard and install.
Due to the piston rod at double piston-rod double acting steering cylinder two ends outside respectively correspondence one protective shroud is set, described protective shroud extends to the connection location of described connecting ball head and described Linkage steering from one end of described double piston-rod double acting steering cylinder.The setting of protective shroud avoids the damage of foreign material to piston rod, causes leak tightness poor, improve service life after preventing piston rod from damaging.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cutaway view of steering hardware in Fig. 1;
Fig. 3 is the partial enlarged drawing of A in Fig. 1;
Fig. 4 is the structural representation of figure rear driving axle;
Fig. 5 is the drive mechanism schematic diagram in the central housing of rear driving axle in Fig. 4;
Fig. 6 is the drive mechanism schematic diagram of rear driving axle one end in Fig. 4;
Fig. 7 is the drive mechanism schematic diagram of the rear driving axle other end in Fig. 4;
Fig. 8 is the structural representation of rear driving axle length half axle assembly;
In figure: 1, rear driving axle, 100, central authorities' housing, 2, steering hardware, 20, double piston-rod double acting steering cylinder, 200, cylinder body, 201, piston rod, 202, piston rod, 21, connecting ball head, 22, Linkage steering, 23, ball end, 230, ball head, 231, connecting portion, 3, connect bearing, 4, protective shroud, 5, initiatively spiral bevel, 6, driven spiral bevel, 7, diff, 8, main gear housing, 9, long bridge tube, 10, minibridge pipe, 11, major semiaxis, 12, long castellated shaft, 13, spline housing, 14, steering swivel, 15, turn to gland, 16, semi-minor axis, 17, steering swivel, 18, sun wheel, 19, wheel limit satellite gear, 24, wheel limit planet wheel spindle, 25, gear ring, 26, gear ring supports, 27, wheel limit satellite gear pressing plate, 28, clamp nut, 29, ear seat, 30, wheel hub, 31, planetary wheel carrier, 32, fluted nut, 33, spring cotter.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1 to Fig. 3 jointly shown in, a kind of steering hardware of rear driving axle of wheeled rice wheat combine harvester, comprise the double piston-rod double acting steering cylinder 20 be arranged on the central housing 100 of rear driving axle 1, double piston-rod double acting steering cylinder 20 is positioned at the side of central housing 100, double piston-rod double acting steering cylinder 20 can be arranged on the side of rear driving axle direction of retreat, the piston rod at double piston-rod double acting steering cylinder 20 two ends and piston rod as shown in Figure 2 201 and piston rod 202 are connected respectively a connecting ball head 21, two connecting ball heads 21 connect a Linkage steering 22 separately respectively away from one end of the piston rod of correspondence respectively, two Linkage steerings 22 connect a ball end 23 separately respectively away from one end of connecting ball head 21 respectively, two ball ends 23 are hinged with the steering swivel of rear driving axle 1 corresponding end respectively.
Be convenient to realize installation and maintenance and adopt connection mode simple as follows: be threaded connection between one end of connecting ball head 21 with the piston rod of corresponding double piston-rod double acting steering cylinder 20, also be threaded connection between the other end and corresponding Linkage steering 22, and connecting ball head 21 is provided with clamp nut 28 with the junction of Linkage steering 22.
Install in order to the convenience realizing double piston-rod double acting steering cylinder 20 and realize mid-arrangement, following concrete mounting means can be adopted: on central housing 100, be fixed with a connection bearing 3, the cylinder body 200 of double piston-rod double acting steering cylinder 20 is fixedly installed on and connects on bearing 3, the concrete setting position and the concrete shape that connect bearing 3 can be determined according to the situation of reality, the cylinder body 200 of double piston-rod double acting steering cylinder 20 can be made to be arranged on the midway location of whole rear driving axle 1 as long as meet connection bearing 3.
Above-mentioned Linkage steering 22 can adopt following version by ball end 23 and the concrete connection mode of the steering swivel of rear driving axle 1 corresponding end: ball end 23 comprises the ball head 230 and connecting portion 231 that connect as one, connecting portion 231 constraint of ball end 23 is arranged on the ear seat 29 of steering swivel, be threaded connection between the ball head 230 of ball end 23 and Linkage steering 22, ball head 230 is provided with a fluted nut 32 with the side of the junction of Linkage steering 22, fluted nut 32 is provided with the spring cotter 33 for locking fluted nut 32, and spring cotter 33 is each passed through fluted nut 32 and connecting portion 231.
In order to realize the protection of the piston rod for double piston-rod double acting steering cylinder 20; avoid the damage of foreign material to piston rod; cause steering cylinder body drain wet goods problem; following safety method can be adopted: the outside of the piston rod at double piston-rod double acting steering cylinder 20 two ends respectively correspondence arranges a protective shroud 4; protective shroud 4 extends to the connection location of connecting ball head 21 and Linkage steering 22 from one end of double piston-rod double acting steering cylinder 20, and protective shroud 4 be connected bearing 3 and be fixedly connected with.
Above-mentioned steering hardware in conjunction with the concrete use procedure of rear driving axle is, as Fig. 4 to Fig. 8 jointly shown in, first the drive path of rear driving axle 1 is analyzed: initiatively spiral bevel 5 is installed in the central housing 100 of rear driving axle 1, driven spiral bevel 6 and diff 7, long bridge tube 9 and minibridge pipe 10 are installed in housing 100 two ends respectively by central authorities, long bridge tube 9 be respectively equipped with the total member of major semiaxis and the total member of semi-minor axis that are connected with diff 7 in minibridge pipe 10, the total member of major semiaxis is by long castellated shaft 12, spline housing 13 and major semiaxis 11 form, the total member of semi-minor axis is by short castellated shaft, spline housing and semi-minor axis 16 form, wherein spline housing connects major semiaxis and long castellated shaft or semi-minor axis and short castellated shaft, long castellated shaft 12 is connected with the corresponding end of diff 7, short castellated shaft is connected with the corresponding end of diff 7, the end of major semiaxis 11 and semi-minor axis 16 is all processed as gear, gear is sun wheel 18, add wheel limit satellite gear 19 simultaneously, wheel limit planet wheel spindle 24, planetary wheel carrier 31, gear ring 25 grade forms wheel limit planetary gear reducing mechanism together, wherein take turns limit satellite gear 19 to be connected with wheel limit planet wheel spindle 24 with bolt by wheel limit satellite gear pressing plate 27, gear ring 25 is supported by gear ring supporting 26, gear ring supporting 26 is connected with steering swivel 17 with corresponding steering swivel 14 respectively by bolt, wheel limit planet wheel spindle 24 drives planetary wheel carrier 31 to rotate together with wheel hub 30 (planetary wheel carrier 31 and wheel hub 30 are positioned by screw and connect), thus tire can be driven to carry out rotating (tire disc is connected by stud with wheel hub 30), by realizing the object of transmission of power with upper type.
If now need turn to, need to start steering hardware, wherein above-mentioned double piston-rod double acting steering cylinder 20 adopts hydraulic steering cylinder to be double piston-rod two-way cylinder, it is fixed by bolts on central housing 100 by connecting bearing 3, when hydraulic oil promotes double piston-rod two-way cylinder piston and piston rod moves to the left, the connecting ball head 21 of both sides can be driven to move to the left with Linkage steering 22 simultaneously, and then the steering swivel ordering about two ends rotates around respective kingpin line, thus achieve two trailing wheels and rotate to the left, complete and turn to the left; When otherwise hydraulic oil promotion double piston-rod two-way cylinder piston and piston rod move to the right, can complete and turn to the right.
During for avoiding farm work, the hard piston rod of foreign material to steering cylinder such as field straw causes damage, protected in the piston rod both sides of double piston-rod double acting steering cylinder design steel oil cylinder protective shroud 4, greatly can reduce the damage of hard foreign material to piston rod, avoid the premature breakdown of double piston-rod double acting steering cylinder.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the steering hardware of wheeled rice wheat combine harvester rear driving axle, it is characterized in that, comprise the double piston-rod double acting steering cylinder be arranged on the central housing of described rear driving axle, described double piston-rod double acting steering cylinder is positioned at the side of described central housing, the piston rod at described double piston-rod double acting steering cylinder two ends is connected respectively a connecting ball head, connecting ball head described in two connects a Linkage steering separately respectively away from one end of the described piston rod of correspondence respectively, Linkage steering described in two connects a ball end separately respectively away from one end of described connecting ball head respectively, ball end described in two is hinged with the steering swivel of described rear driving axle corresponding end respectively.
2. the steering hardware of wheeled rice wheat combine harvester rear driving axle according to claim 1, is characterized in that, described central housing is fixed with a connection bearing, and the cylinder body of described double piston-rod double acting steering cylinder is fixedly installed on described connection bearing.
3. the steering hardware of wheeled rice wheat combine harvester rear driving axle according to claim 1, it is characterized in that, described ball end comprises the ball head and connecting portion that connect as one, the ball head constraint of described ball end is arranged on the ear seat of described steering swivel, be threaded connection between the connecting portion of described ball end and described Linkage steering, described connecting portion is provided with one for compressing the fluted nut of described Linkage steering, described fluted nut is provided with the spring cotter for locking described fluted nut, and described spring cotter is each passed through described fluted nut and described connecting portion.
4. the steering hardware of the wheeled rice wheat combine harvester rear driving axle according to the arbitrary right of claims 1 to 3, it is characterized in that, one end of described connecting ball head is threaded connection with between the piston rod of corresponding described double piston-rod double acting steering cylinder, also be threaded connection between the other end and corresponding described Linkage steering, and the junction of described connecting ball head and described Linkage steering is provided with clamp nut.
5. the steering hardware of wheeled rice wheat combine harvester rear driving axle according to claim 2, it is characterized in that, the outside of the piston rod at described double piston-rod double acting steering cylinder two ends respectively correspondence arranges a protective shroud, described protective shroud extends to the connection location of described connecting ball head and described Linkage steering from one end of described double piston-rod double acting steering cylinder, and described protective shroud is fixedly connected with the described bearing that is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420559837.5U CN204137103U (en) | 2014-09-26 | 2014-09-26 | The steering hardware of wheeled rice wheat combine harvester rear driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420559837.5U CN204137103U (en) | 2014-09-26 | 2014-09-26 | The steering hardware of wheeled rice wheat combine harvester rear driving axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204137103U true CN204137103U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420559837.5U Expired - Lifetime CN204137103U (en) | 2014-09-26 | 2014-09-26 | The steering hardware of wheeled rice wheat combine harvester rear driving axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204137103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361645A (en) * | 2020-03-05 | 2020-07-03 | 华南农业大学 | All-terrain four-crawler chassis and agricultural machine |
| CN114161877A (en) * | 2020-09-10 | 2022-03-11 | 盐城市荣南机械制造有限公司 | High-horsepower through oil cylinder drive axle |
-
2014
- 2014-09-26 CN CN201420559837.5U patent/CN204137103U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361645A (en) * | 2020-03-05 | 2020-07-03 | 华南农业大学 | All-terrain four-crawler chassis and agricultural machine |
| CN111361645B (en) * | 2020-03-05 | 2022-11-29 | 华南农业大学 | All-terrain four-crawler chassis and agricultural machine |
| CN114161877A (en) * | 2020-09-10 | 2022-03-11 | 盐城市荣南机械制造有限公司 | High-horsepower through oil cylinder drive axle |
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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: FOTON LOVOL INTERNATIONAL HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai leiwo Heavy Industry Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: LOVOL HEAVY INDUSTRY Co.,Ltd. Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |