CN203078225U - Steering driving front axle of excavator - Google Patents
Steering driving front axle of excavator Download PDFInfo
- Publication number
- CN203078225U CN203078225U CN 201320051349 CN201320051349U CN203078225U CN 203078225 U CN203078225 U CN 203078225U CN 201320051349 CN201320051349 CN 201320051349 CN 201320051349 U CN201320051349 U CN 201320051349U CN 203078225 U CN203078225 U CN 203078225U
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- axle housing
- universal
- wheel
- reduction gear
- hub
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- 230000009467 reduction Effects 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 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
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model relates to a vehicle walking device, and provides a steering driving front axle of an excavator. The steering driving front axle of the excavator comprises an axle housing, two hubs rotatably arranged at two ends of the axle housing, two braking devices arranged on the two hubs at two ends of the axle housing, a steering device arranged between the axle housing and the two hubs, and a transmission device, wherein the transmission device comprises a main reducing gear and a universal transmission part, the main reducing gear is arranged in the middle of the inner side of the axle housing, the universal transmission part is arranged a steering knuckle, hub reduction mechanisms are respectively arranged between the universal transmission part and the two hubs, each hub reduction mechanism comprises a gear ring, a sun wheel, a speed reduction planetary gear set and a power output end cover, the gear rings are respectively fixed at two ends of the axle housing, the sun wheels are respectively connected with axial torsion output ends of the universal transmission part, the speed reduction planetary gear sets make circumferential rotation along the corresponding gear rings through the meshed linkage with the corresponding sun wheels, each speed reduction planetary gear set is fixed on each corresponding power output end cover through a pin shaft, and each corresponding power output end cover is fixed at one side of each hub.
Description
Technical field
The utility model relates to the vehicle to run device, particularly a kind of excavating machine steer drive front-axle.
Background technology
The excavating machine steer drive front-axle has been known, comprise axle housing, two brake equipments, two wheel hubs, driving device and steering hardware, described axle housing roughly is and extends axially and for hollow structure, driving device comprises main reduction gear (comprising diff) and universal transmission two parts, main reduction gear is located at the axle housing middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, two brake equipments are located at described wheel hub inboard, axle housing two ends respectively, two wheel hubs are located at the axle housing two ends respectively rotationally, universal transmission is located in the steering swivel and the axial moment of torsion output of main reduction gear is passed on the wheel hub that can rotate with respect to brake equipment, steering hardware is located between axle housing and the wheel hub corner of controlling wheel hub by steering swivel and is realized turning to of automobile, this kind steer drive front-axle main reduction gear generally adopts the integral type dual-ratio reduction, transmission speed ratio is little, when requiring bigger final ratio and bigger ground Clearance, then be difficult to reach requirement.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, thereby provides a kind of transmission speed ratio big, the main reduction gear size can be reduced, the assurance car load ground Clearance, the excavating machine steer drive front-axle of speed reduction gearing is equipped with on the wheel limit.
The technical scheme that the utility model adopted is such: the excavating machine steer drive front-axle, comprise axle housing, two brake equipments, two wheel hubs, driving device and steering hardware, described axle housing is and extends axially and for hollow structure, driving device comprises main reduction gear and universal transmission two parts, main reduction gear is located at the axle housing middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, two brake equipments are located at the rotation that is used to control wheel hub on the wheel hub at axle housing two ends respectively, two wheel hubs are located at the axle housing two ends respectively rotationally, universal transmission is located at the interior axial moment of torsion of main reduction gear is exported respectively of steering swivel and is passed on all right one way or the other wheel hub with respect to the brake equipment rotation, steering hardware is located between axle housing and two wheel hubs corner of controlling two wheel hubs by steering swivel and is realized turning to of automobile, be respectively equipped with hub reduction mechanism between described universal transmission and two wheel hubs, described each hub reduction mechanism comprises gear ring respectively, sun wheel, epicyclic reduction gear group and takeoff output end cap, described each gear ring is separately fixed at the axle housing two ends, described each sun wheel links to each other with each axial moment of torsion mouth of universal transmission respectively, described each epicyclic reduction gear group is rotated by doing circumference along corresponding gear ring with the interlock that is meshed of corresponding sun wheel respectively, described each epicyclic reduction gear group is fixed on corresponding clutch end by bearing pin respectively and covers, and described each takeoff output end cap is separately fixed at each wheel hub one side.
Further improvedly be: described universal transmission comprises two inner shafts and two outer semiaxis and two universal-joints, each inner shaft one end is connected with the axial moment of torsion mouth of main reduction gear respectively, the other end of described each inner shaft is connected with each universal-joint respectively, described each outer semiaxis one end is connected with each universal-joint respectively, and described each outer semiaxis other end is connected with corresponding sun wheel respectively.
Further improvedly be: articulated position axially the staggering mutually of described each inner shaft and each outer semiaxis and each universal-joint along universal-joint.
Further improvedly be: described each brake equipment comprises brake disc and brake clamp respectively, and described each brake disc is fixedly arranged on each wheel hub that side away from the takeoff output end cap respectively, but described each brake clamp being located on each brake disc of clamping respectively.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: this novel excavating machine steer drive front-axle, be respectively equipped with hub reduction mechanism between described universal transmission and two wheel hubs, hub reduction mechanism be the moment of torsion of main reduction gear transmission through its reduction of speed increase turn round after, be delivered to the wheel that is contained on the wheel hub again, so that wheel is under the counteraction of traction, produce bigger propulsive effort, hub reduction mechanism can not only make that the size of main reduction gear reduces in the drive axle, enough ground Clearances can also be guaranteed, and bigger drive axle overall gear ratio can be obtained.
Description of drawings
Fig. 1 is the utility model embodiment block diagram.
Fig. 2 is the utility model embodiment front view.
Fig. 3 is the utility model embodiment local structure scheme drawings.
Fig. 4 is the utility model embodiment cutaway view.
The specific embodiment
Further specify the utility model below in conjunction with the drawings and specific embodiments.
As Fig. 1 to Fig. 4, the utility model discloses a kind of excavating machine steer drive front-axle, comprise axle housing 1, two brake equipments, two wheel hubs 2, driving device and steering hardware, described axle housing 1 roughly is and extends axially and for hollow structure, driving device comprises main reduction gear 3 (comprising diff) and universal transmission two parts, main reduction gear 3 is located at axle housing 1 middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, two brake equipments are located at the rotation that is used to control wheel hub 2 on the wheel hub 2 at axle housing 1 two ends respectively, two wheel hubs 2 are located at axle housing 1 two ends rotationally by bearing 21 respectively, universal transmission is located at steering swivel 4 interior main reduction gear 3 axial moments of torsion are exported respectively and is passed on all right one way or the other wheel hub 2 with respect to the brake equipment rotation, steering hardware 5 is located between axle housing 1 and two wheel hubs 2 corner of controlling two wheel hubs 2 by steering swivel 4 and is realized turning to of automobile, be respectively equipped with hub reduction mechanism between described universal transmission and two wheel hubs 2, described universal transmission comprises two inner shafts 61 and two outer semiaxis 62 and two universal-joints 63, each inner shaft 61 1 end is connected with main reduction gear 3 axial moment of torsion mouths respectively, the other end of described each inner shaft 61 is connected with each universal-joint 63 respectively, described each outer semiaxis 62 1 end are connected with each universal-joint 63 respectively, described each hub reduction mechanism comprises gear ring 71 respectively, sun wheel 72, epicyclic reduction gear group and takeoff output end cap 73, described each gear ring 71 is fixed on axle housing 1 two ends by gear ring fixed mount 76 respectively, described each sun wheel 72 links to each other with the other end of the outer semiaxis 62 of corresponding universal transmission respectively, described each epicyclic reduction gear group is rotated by doing circumference along corresponding gear ring 71 with the interlock that is meshed of corresponding sun wheel 72 respectively, described each epicyclic reduction gear group is made up of three planetary wheels 74 respectively, described three planetary wheels 74 are fixed on the corresponding takeoff output end cap 73 by bearing pin 75 respectively, and described each takeoff output end cap 73 is separately fixed at each wheel hub 2 one side.During work, main reduction gear is converted to axial moment of torsion output to the input of the radially moment of torsion of driving engine from each inner shaft, each inner shaft is passed to each outer semiaxis of corresponding bonded assembly with universal-joint to moment of torsion by universal-joint, the rotation of each outer semiaxis drives respectively captives joint sun wheel and rotates with it, the rotation of each sun wheel drives respectively with the epicyclic reduction gear group of its engaged transmission and does the circumference rotation along gear ring, rotate thereby drive with each epicyclic reduction gear group bonded assembly takeoff output end cap, then drive the wheel hub of captiveing joint and rotate, and then the wheel that driving is captiveed joint with wheel hub rotates with each takeoff output end cap.
Described each brake equipment comprises brake disc 81 and brake clamp 82 respectively, 81 fens ` of described each brake disc are not fixedly arranged on each wheel hub 2 that side away from takeoff output end cap 73, but described each brake clamp 82 is being located on each brake disc 81 of clamping respectively, basis is novel replaces drum brake mechanism with plate disc brake, the plate disc brake long service life, lock torque is big, brake response is sensitive and rapid, can improve the deceleration and stopping performance of car load, the relative safety height.
The articulated position of described each inner shaft 61 and each outer semiaxis 62 and each universal-joint 63 staggers mutually along universal-joint 63 axial and makes the hard-over of wheel hub 2 reach 40 transfer torques smoothly still when spending.
This novel excavating machine steer drive front-axle, be respectively equipped with hub reduction mechanism between described universal transmission and two wheel hubs, hub reduction mechanism be the moment of torsion of main reduction gear transmission through its reduction of speed increase turn round after, be delivered to the wheel that is contained on the wheel hub again, so that wheel under the counteraction of traction, produces bigger propulsive effort, hub reduction mechanism can not only make that the size of main reduction gear reduces in the drive axle, enough ground Clearances can also be guaranteed, and bigger drive axle overall gear ratio can be obtained.
More than show and described groundwork of the present utility model and principal character and advantage thereof; the technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the explanation just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. excavating machine steer drive front-axle, comprise axle housing, two brake equipments, two wheel hubs, driving device and steering hardware, described axle housing is and extends axially and for hollow structure, driving device comprises main reduction gear and universal transmission two parts, main reduction gear is located at the axle housing middle inside and is used for the input of the radially moment of torsion of driving engine is converted to axial moment of torsion output, two brake equipments are located at the rotation that is used to control wheel hub on the wheel hub at axle housing two ends respectively, two wheel hubs are located at the axle housing two ends respectively rotationally, universal transmission is located at the interior axial moment of torsion of main reduction gear is exported respectively of steering swivel and is passed on all right one way or the other wheel hub with respect to the brake equipment rotation, steering hardware is located between axle housing and two wheel hubs corner of controlling two wheel hubs by steering swivel and is realized turning to of automobile, it is characterized in that: be respectively equipped with hub reduction mechanism between described universal transmission and two wheel hubs, described each hub reduction mechanism comprises gear ring respectively, sun wheel, epicyclic reduction gear group and takeoff output end cap, described each gear ring is separately fixed at the axle housing two ends, described each sun wheel links to each other with each axial moment of torsion mouth of universal transmission respectively, described each epicyclic reduction gear group is rotated by doing circumference along corresponding gear ring with the interlock that is meshed of corresponding sun wheel respectively, described each epicyclic reduction gear group is fixed on corresponding clutch end by bearing pin respectively and covers, and described each takeoff output end cap is separately fixed at each wheel hub one side.
2. excavating machine steer drive front-axle according to claim 1, it is characterized in that: described universal transmission comprises two inner shafts and two outer semiaxis and two universal-joints, each inner shaft one end is connected with the axial moment of torsion mouth of main reduction gear respectively, the other end of described each inner shaft is connected with each universal-joint respectively, described each outer semiaxis one end is connected with each universal-joint respectively, and described each outer semiaxis other end is connected with corresponding sun wheel respectively.
3. excavating machine steer drive front-axle according to claim 2 is characterized in that: articulated position axially the staggering mutually along universal-joint of described each inner shaft and each outer semiaxis and each universal-joint.
4. according to claim 1 or 2 or 3 described excavating machine steer drive front-axles, it is characterized in that: described each brake equipment comprises brake disc and brake clamp respectively, described each brake disc is fixedly arranged on each wheel hub that side away from the takeoff output end cap respectively, but described each brake clamp being located on each brake disc of clamping respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051349 CN203078225U (en) | 2013-01-30 | 2013-01-30 | Steering driving front axle of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051349 CN203078225U (en) | 2013-01-30 | 2013-01-30 | Steering driving front axle of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203078225U true CN203078225U (en) | 2013-07-24 |
Family
ID=48824093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051349 Expired - Fee Related CN203078225U (en) | 2013-01-30 | 2013-01-30 | Steering driving front axle of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203078225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669935A (en) * | 2013-11-26 | 2015-06-03 | 陕西汉德车桥有限公司 | Automobile steering drive axle |
| CN105584359A (en) * | 2016-03-28 | 2016-05-18 | 泉州鑫豪工程机械科技有限公司 | Excavator steering drive axle |
-
2013
- 2013-01-30 CN CN 201320051349 patent/CN203078225U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669935A (en) * | 2013-11-26 | 2015-06-03 | 陕西汉德车桥有限公司 | Automobile steering drive axle |
| CN105584359A (en) * | 2016-03-28 | 2016-05-18 | 泉州鑫豪工程机械科技有限公司 | Excavator steering drive axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN XINYUAN HEAVY INDUSTRY CO., LTD. Free format text: FORMER OWNER: QUANZHOU XINYUAN ENGINEERING MACHINERY CO., LTD. Effective date: 20140722 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140722 Address after: 362000 Luojiang Quanzhou Economic Development Zone, hardware and Electrical Industrial Park Patentee after: FUJIAN XINYUAN HEAVY INDUSTRY CO., LTD. Address before: 362000 A-03 No. two, West Tang, Luojiang District, Fujian, Quanzhou Patentee before: Quanzhou Xinyuan Engineering Machinery Co., Ltd. |
|
| 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: 20130724 Termination date: 20170130 |