CN204774643U - Novel turn to hydraulic drive bridge behind harvester - Google Patents
Novel turn to hydraulic drive bridge behind harvester Download PDFInfo
- Publication number
- CN204774643U CN204774643U CN201520432316.8U CN201520432316U CN204774643U CN 204774643 U CN204774643 U CN 204774643U CN 201520432316 U CN201520432316 U CN 201520432316U CN 204774643 U CN204774643 U CN 204774643U
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- Prior art keywords
- steering
- hydraulic
- differential
- hydraulic motor
- housing
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- Expired - Fee Related
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Abstract
The utility model discloses a novel turn to hydraulic drive bridge behind harvester, including main axle housing with connect the semi -axis casing at main axle housing both ends, be connected with terminal reduction gear on the semi -axis casing, terminal reduction gear includes knuckle casing and planet gear, two semi -axiss being equipped with the differential mechanism assembly in the main axle housing and being connected with the transmission of differential mechanism assembly, the differential mechanism assembly has the differential mechanism transmission case, is equipped with the differential mechanism input shaft in the differential mechanism transmission case, be connected with the hydraulic motor of drive differential mechanism input shaft on the differential mechanism transmission case, hydraulic motor is by harvester hydraulic system control work, the articulated driving -steering mechanism that has drive knuckle casing about shaft rotation on the semi -axis casing. The utility model has the advantages of the overall arrangement is succinct, the harvester of being convenient for is wholly arranged, occupation space is few, whole bearing capacity big and performance is more reasonable.
Description
Technical field
The utility model relates to a kind of cropper rear steering hydraulic ransaxle.
Background technology
Existing cropper is generally only with front driving axle, and back axle is the steeraxle of non-driven.My company takes the lead in developing cropper rear steering drive axle at home for the previous period, makes cropper achieve four wheel drive, and the tractive performance of cropper is greatly improved.This rear driving axle power input is connected with rear driving axle input end by transmission shaft by transmission gearbox, but the inner various transmission of cropper is more, particularly the transmission shaft of giving back field machine for corn stalks and rear driving axle has certain interference, is unfavorable for the entire arrangement of cropper.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of novel cropper rear steering drive axle be convenient to cropper entire arrangement, occupied little space.
In order to solve the problems of the technologies described above, the utility model comprises main axle housing and is connected to the semiaxis housing at main axle housing two ends, semiaxis housing is connected with end retarder, end retarder comprises steering swivel housing and planetary reduction gear, main axle housing is built with differential assembly and two semiaxis being in transmission connection with differential assembly, differential assembly has differential drive case, differential input shaft is provided with in differential drive case, its constructional feature described differential drive case is connected with the HM Hydraulic Motor driving differential input shaft, HM Hydraulic Motor is worked by cropper HYDRAULIC CONTROL SYSTEM, described semiaxis housing is hinged with the steering driving mechanism driving steering swivel housing to rotate around the axis.
Preferably the outer end of described differential input shaft is provided with differential bevel wheel, differential drive case is connected with hydraulic motor transmission case, hydraulic motor transmission case is provided with HM Hydraulic Motor, transmission shaft is provided with in hydraulic motor transmission case, transmission shaft one end is connected with the power take-off shaft of HM Hydraulic Motor, transmission shaft is provided with the finishing bevel gear cuter engaged with differential bevel wheel
Described transmission shaft and differential input shaft arranged in a crossed manner.
Described transmission shaft is connected with the power take-off shaft of HM Hydraulic Motor by spline.
Described steering driving mechanism comprises being located at and turns to actuating arm on front side of a wherein steering swivel housing, the semiaxis housing of this side is hinged with steering cylinder, steering cylinder is worked by cropper HYDRAULIC CONTROL SYSTEM, the piston rod of steering cylinder is by universal-joint and turn to actuating arm hinged, be provided with spindle arm in the rear side correspondence of steering swivel housing, between two spindle arms, intermediate rod be housed.
After adopting said structure, owing to adopting fluid motor-driven differential assembly, pressure motor is worked by cropper HYDRAULIC CONTROL SYSTEM, motor drive power is provided by fluid control, replace traditional mechanical type transmission shaft transferring power, body is compact more, obtains more installing spaces, is convenient to cropper entire arrangement.This fluid power system can realize stepless change, simple to operate, and when turning to, speed ratio is adjustable, can alleviate the wearing and tearing to tire, can relax the impact of various load to mechanical transmission part in drive axle and bridge, improve load-carrying capacity and the service life of rear driving axle.The all-hydraulic rear-axle steering of independent oil path, makes the turning efficiency of rear driving axle safe and reliable.
In sum, the utility model have layout succinct, be convenient to cropper entire arrangement, occupy little space, the large and in-use performance more reasonably advantage of integrated carrying ability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that Fig. 1 overlooks;
Fig. 3 is the structural representation of HM Hydraulic Motor and transmission gearbox assembly in Fig. 1.
Detailed description of the invention
With reference to accompanying drawing, this novel cropper rear steering hydraulic ransaxle comprises main axle housing 1 and is connected to the semiaxis housing (5,6) at main axle housing 1 two ends, semiaxis housing is connected with end retarder 4, end retarder 4 comprises steering swivel housing and planetary reduction gear, planetary reduction gear is sun wheel planetary reduction gear, main axle housing 1 is built with differential assembly 2, differential assembly 2 is connected with two semiaxis 3, two-semiaxle 3 is connected with the sun wheel 22 in end retarder 4 respectively by diesis universal-joint 23, above-mentioned transmission connecting structure is prior art, does not repeat them here.Differential assembly 2 has differential drive case 12, differential input shaft 13 is provided with in differential drive case 12, the outer end of differential input shaft 13 is provided with differential bevel wheel 14, differential drive case 12 is connected with hydraulic motor transmission case 18, hydraulic motor transmission case 18 is provided with the HM Hydraulic Motor 11 of hydrostatic drive, transmission shaft 16 is provided with in hydraulic motor transmission case 18, transmission shaft 16 one end is connected with the power take-off shaft of HM Hydraulic Motor 11 by spline 17, transmission shaft 16 is provided with the finishing bevel gear cuter 15 engaged with differential bevel wheel 14, transmission shaft 16 is arranged in a crossed manner with differential input shaft 13.Pressure motor 11 is provided with the hydraulic fluid port 19 excessively that cropper hydraulic efficiency pressure system is communicated with, and pressure motor 11 is worked by cropper HYDRAULIC CONTROL SYSTEM, and HM Hydraulic Motor is connected with cropper hydraulic efficiency pressure system oil circuit by hydraulic fluid port, provides motor drive power by fluid control.The front side of a steering swivel housing is provided with and turns to actuating arm 7 wherein, the semiaxis housing of this side is hinged with steering cylinder 20, steering cylinder 20 is worked by cropper HYDRAULIC CONTROL SYSTEM, the piston rod 24 of steering cylinder 20 is by universal-joint and turn to actuating arm 7 hinged, promotes steering swivel housing rotate around the axis to realize turning to by steering cylinder 20.Be provided with spindle arm 21 in the rear side correspondence of steering swivel housing, between two spindle arms 21, intermediate rod 25 be housed, to realize the synchronous of two rear-axle steerings.
The utility model connects the HM Hydraulic Motor of hydrostatic drive at drive axle input end, owing to adopting fluid motor-driven differential assembly, HM Hydraulic Motor is connected with cropper hydraulic efficiency pressure system oil circuit by hydraulic fluid port, motor drive power is provided by fluid control, replace traditional mechanical type transmission shaft transferring power, body is compact more, obtains more installing spaces.Hydrostatic drive system can realize stepless change, simple to operate, when turning to, speed ratio is adjustable, can alleviate the wearing and tearing to tire, hydrostatic drive system can relax the impact of various load to mechanical transmission part in drive axle and bridge, improves load-carrying capacity and the service life of rear driving axle.The all-hydraulic rear-axle steering of independent oil path, makes the turning efficiency of rear driving axle safe and reliable.
The above is specific constructive form of the present utility model; the utility model is not restricted to the described embodiments; for the art personnel, replace all in protection domain of the present utility model based on the equivalent variations of the above-mentioned concrete structure of the utility model and parts.
Claims (5)
1. a novel cropper rear steering hydraulic ransaxle, comprise main axle housing (1) and be connected to the semiaxis housing (5 at main axle housing (1) two ends, 6), semiaxis housing is connected with end retarder (4), end retarder (4) comprises steering swivel housing and planetary reduction gear, main axle housing (1) is built with differential assembly (2) and two semiaxis (3) being in transmission connection with differential assembly (2), differential assembly (2) has differential drive case (12), differential input shaft (13) is provided with in differential drive case (12), it is characterized in that described differential drive case (12) being connected with the HM Hydraulic Motor (11) driving differential input shaft (13), HM Hydraulic Motor (11) is worked by cropper HYDRAULIC CONTROL SYSTEM, described semiaxis housing is hinged with the steering driving mechanism driving steering swivel housing to rotate around the axis.
2. novel cropper rear steering hydraulic ransaxle according to claim 1, it is characterized in that the outer end of described differential input shaft (13) is provided with differential bevel wheel (14), differential drive case (12) is connected with hydraulic motor transmission case (18), hydraulic motor transmission case (18) is provided with HM Hydraulic Motor (11), transmission shaft (16) is provided with in hydraulic motor transmission case (18), transmission shaft (16) one end is connected with the power take-off shaft of HM Hydraulic Motor (11), transmission shaft (16) is provided with the finishing bevel gear cuter (15) engaged with differential bevel wheel (14).
3. novel cropper rear steering hydraulic ransaxle according to claim 2, is characterized in that described transmission shaft (16) and differential input shaft (13) are arranged in a crossed manner.
4. novel cropper rear steering hydraulic ransaxle according to claim 2, is characterized in that described transmission shaft (16) is connected by the power take-off shaft of spline (17) with HM Hydraulic Motor (11).
5. the novel cropper rear steering hydraulic ransaxle according to any one of claim 1-4, it is characterized in that described steering driving mechanism comprises being located at and turn to actuating arm (7) on front side of a wherein steering swivel housing, the semiaxis housing of this side is hinged with steering cylinder (20), steering cylinder (20) is worked by cropper HYDRAULIC CONTROL SYSTEM, the piston rod (24) of steering cylinder (20) is by universal-joint and turn to actuating arm (7) hinged, be provided with spindle arm (21) in the rear side correspondence of steering swivel housing, intermediate rod (25) is housed between two spindle arms (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432316.8U CN204774643U (en) | 2015-06-23 | 2015-06-23 | Novel turn to hydraulic drive bridge behind harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432316.8U CN204774643U (en) | 2015-06-23 | 2015-06-23 | Novel turn to hydraulic drive bridge behind harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204774643U true CN204774643U (en) | 2015-11-18 |
Family
ID=54514757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520432316.8U Expired - Fee Related CN204774643U (en) | 2015-06-23 | 2015-06-23 | Novel turn to hydraulic drive bridge behind harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204774643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774830A (en) * | 2019-10-25 | 2020-02-11 | 北京星航机电装备有限公司 | Steering drive axle, automatic guided vehicle and control method based on steering drive axle |
-
2015
- 2015-06-23 CN CN201520432316.8U patent/CN204774643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774830A (en) * | 2019-10-25 | 2020-02-11 | 北京星航机电装备有限公司 | Steering drive axle, automatic guided vehicle and control method based on steering drive axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190623 |