CN110861490A - Heavy-duty large-speed-ratio electric tractor drive axle - Google Patents
Heavy-duty large-speed-ratio electric tractor drive axle Download PDFInfo
- Publication number
- CN110861490A CN110861490A CN201911350563.2A CN201911350563A CN110861490A CN 110861490 A CN110861490 A CN 110861490A CN 201911350563 A CN201911350563 A CN 201911350563A CN 110861490 A CN110861490 A CN 110861490A
- Authority
- CN
- China
- Prior art keywords
- connecting column
- spring
- shaft
- outer side
- 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.)
- Granted
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 32
- 230000005489 elastic deformation Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/18—Arrangement of bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The invention discloses a drive axle of a heavy-duty large-speed-ratio electric tractor, which comprises a shell, a main speed reducer, shaft sleeves, half shafts, a mounting seat, a brake disc and a wheel hub, wherein the main speed reducer is arranged in the shell; the vibration of the half shaft is buffered and absorbed through the elastic deformation of the first spring, and when the first connecting column moves along with the vibration, the first connecting column applies work to the second spring and drives the second connecting column to slide, and the first connecting column and the second connecting column are matched with each other to reduce the vibration of the half shaft during use, so that the service life of the half shaft is greatly prolonged.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a drive axle of a heavy-duty large-speed-ratio electric tractor.
Background
The drive axle generally comprises a main speed reducer, a differential mechanism, a wheel transmission device, a drive axle housing and the like; the universal transmission device has the functions of turning the power transmitted by the universal transmission device through an angle of 90 degrees, changing the transmission direction of the power, reducing the rotating speed by the main speed reducer, increasing the torque, and distributing the torque to the left half shaft, the right half shaft and the driving wheel through the differential.
The transmission ratio of the single-stage main speed reduction driver is generally 3.5-6.7, and the overlarge transmission ratio can cause the oversize of the driven bevel gear to influence the ground clearance of the drive axle housing, the smaller the ground clearance is, the poorer the trafficability of the automobile is, so that on one hand, the main speed reducer with large speed ratio cannot be installed on some small vehicles or vehicles with compact structures, on the other hand, the size of the main speed reducer is limited, and at present, domestic tractors applied to more than 20 generally adopt drive axles with large size, so that the volume of the tractor is correspondingly increased, and the tractor cannot be applied to special fields with narrow fields and complex field topography; and meanwhile, when the semi-axle is used, the semi-axle is in a vibrating working environment for a long time, so that the service life of the semi-axle is greatly reduced.
Disclosure of Invention
The invention aims to provide a drive axle of a heavy-duty large-speed-ratio electric tractor, which aims to overcome the defects that the transmission ratio of a single-stage main speed reduction driver is generally 3.5-6.7, the too large transmission ratio can cause the overlarge size of a driven bevel gear to influence the ground clearance of a drive axle housing, the smaller the ground clearance is, the poorer the trafficability of an automobile is, on one hand, the main speed reducer with the large speed ratio cannot be installed on some small-sized vehicles or vehicles with compact structures, on the other hand, the size of the main speed reducer is limited, and the large-size drive axle is generally adopted by domestic tractors applied to more than 20 at present, so that the size of the tractor is correspondingly increased, and the tractor cannot be applied to the special fields with narrow; and meanwhile, when the semi-axle is used, the semi-axle is in a vibrating working environment for a long time, so that the technical problem of greatly reducing the service life of the semi-axle is solved.
The purpose of the invention can be realized by the following technical scheme:
a drive axle of a heavy-duty large-speed-ratio electric tractor comprises a shell, a main speed reducer, shaft sleeves, half shafts, mounting seats, brakes, brake discs and wheel hubs, wherein the main speed reducer is mounted inside the shell, the shaft sleeves are mounted at two ends of the shell, the half shafts are mounted at two ends of the main speed reducer and positioned inside the shaft sleeves, the brake discs and the wheel hubs are mounted at one ends of the half shafts, the mounting seats are mounted outside the shaft sleeves, the brakes are mounted on the mounting seats, and the brakes and the brake discs are matched for use;
the outer side of the half shaft is rotatably provided with a bearing, the periphery of the outer side of the shaft sleeve is provided with limiting sleeve seats at equal intervals, a plurality of first connecting columns are arranged at equal intervals on the outer side of the bearing, one ends of the first connecting columns penetrate through the limiting sleeve seats to be provided with baffles, and first springs are sleeved on the outer sides of the first connecting columns and positioned between the baffles and the limiting sleeve seats;
the limiting sleeve seat is characterized in that mounting chutes are formed in two sides of the limiting sleeve seat, second connecting columns are mounted on two sides of the first connecting columns, one ends of the second connecting columns penetrate through the mounting chutes, and second springs are sleeved on the outer sides of the second connecting columns and located between the first connecting columns and the limiting sleeve seat.
As a further scheme of the invention: a plurality of first threaded holes are formed in the outer side of the shaft sleeve, a first connecting bolt is installed at the other end of the first connecting column, and the first connecting bolt is in threaded connection with the first threaded holes.
As a further scheme of the invention: a plurality of second threaded holes are formed in the periphery of the outer side of the first connecting column, a second connecting bolt is installed at the other end of the second connecting column, and the second connecting bolt is in threaded connection with the second threaded holes.
As a further scheme of the invention: the second connecting column is arranged in the mounting chute in a sliding mode, and a rubber ring is sleeved on the outer side of the second connecting column.
As a further scheme of the invention: the outer diameter of the first spring is larger than the distance between the two limiting sleeve seats, and the outer diameter of the second spring is larger than the width of the mounting sliding groove.
As a further scheme of the invention: and a hub reduction gear is arranged at the outer end of the hub.
As a further scheme of the invention: the specific operation steps of the drive axle are as follows:
the method comprises the following steps: the engine torque transmitted by the universal transmission shaft is transmitted through a main speed reducer, a wheel edge speed reducer and a half shaft to realize the rotation of a brake disc and a wheel hub so as to drive wheels, and meanwhile, shaft sleeves at two ends of the shell are provided with brakes through mounting seats, and the brakes and the brake disc are used for realizing braking;
step two: after the first connecting column penetrates through the first spring and the limiting sleeve seat, the first connecting bolt is in threaded connection with a first threaded hole of a bearing sleeved on the outer side of the half shaft, so that the first spring is limited, and meanwhile, after the second connecting column penetrates through the mounting chute and the second spring, the second connecting bolt is connected with a second threaded hole on the outer side of the first connecting column, so that the second spring is fixed;
step three: when the drive axle works, the vibration of the half axle is absorbed through the elastic deformation buffering of the first spring, and the first connecting column moves along with the vibration, acts on the second spring and drives the second connecting column to slide, and the first connecting column and the second connecting column are mutually matched for use.
The invention has the beneficial effects that: through reasonable structural design and by adding the wheel-side speed reducer, the requirement on large traction force performance can be realized on the basis of not changing the total size and the structure of the drive axle, the maximum traction force of the drive axle can reach 30 tons, the reduction ratio of the whole axle is 30.45, and the maximum outer diameter of a main speed reducer of the axle is not more than 370, so that the minimum ground clearance can be ensured when the main speed reducer is arranged on a small vehicle, and the trafficability of the whole vehicle is improved;
meanwhile, the vibration of the half shaft is buffered and absorbed through the elastic deformation of the first spring, and when the first connecting column moves along with the vibration, the first connecting column applies work to the second spring and drives the second connecting column to slide, and the first connecting column and the second connecting column are matched with each other to reduce the vibration of the half shaft during use, so that the service life of the half shaft is greatly prolonged;
after first spliced pole passed first spring and spacing cover seat, through first connecting bolt and the first screw hole threaded connection of the bearing of suit in the semi-axis outside, accomplish the spacing to first spring, pass the second spliced pole simultaneously behind installation spout and the second spring, be connected through the second connecting bolt and the second screw hole in the first spliced pole outside, accomplish the fixed of second spring, be convenient for install the shock-absorbing structure of semi-axis fast, subsequent change and the maintenance of being convenient for, make things convenient for in-service use.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a half-axle mounting structure of the present invention;
FIG. 3 is a cross-sectional view of the bushing and half-shaft of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention.
In the figure: 1. a housing; 2. a main reducer; 3. a shaft sleeve; 4. a half shaft; 5. a mounting seat; 6. a brake; 7. a brake disc; 8. a hub; 9. a limiting sleeve seat; 10. installing a chute; 11. a first connecting column; 12. a first connecting bolt; 13. a baffle plate; 14. a first spring; 15. a bearing; 16. a second spring; 17. a second connecting bolt; 18. a second connecting column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a drive axle of a heavy-duty large-speed-ratio electric tractor comprises a housing 1, a main speed reducer 2, a shaft sleeve 3, a half shaft 4, a mounting seat 5, a brake 6, a brake disc 7 and a hub 8, wherein the main speed reducer 2 is installed inside the housing 1, the shaft sleeves 3 are installed at two ends of the housing 1, the half shaft 4 is installed at two ends of the main speed reducer 2 and located inside the shaft sleeve 3, the brake disc 7 and the hub 8 are installed at one end of the half shaft 4, the mounting seat 5 is installed outside the shaft sleeve 3, the brake 6 is installed on the mounting seat 5, and the brake 6 and the brake disc;
a bearing 15 is rotatably mounted on the outer side of the half shaft 4, limiting sleeve seats 9 are arranged on the periphery of the outer side of the shaft sleeve 3 at equal intervals, a plurality of first connecting columns 11 are mounted on the outer side of the bearing 15 at equal intervals, a baffle 13 is mounted at one end of each first connecting column 11 through the limiting sleeve seat 9, and a first spring 14 is sleeved on the outer side of each first connecting column 11 and positioned between the baffle 13 and the limiting sleeve seat 9;
A plurality of first threaded holes are formed in the outer side of the shaft sleeve 3, a first connecting bolt 12 is installed at the other end of the first connecting column 11, and the first connecting bolt 12 is in threaded connection with the first threaded holes, so that the first connecting bolt 12 can be quickly assembled and disassembled.
A plurality of second threaded holes are formed in the periphery of the outer side of the first connecting column 11, a second connecting bolt 17 is installed at the other end of the second connecting column 18, and the second connecting bolt 17 is in threaded connection with the second threaded holes, so that the first connecting column 11 can be quickly assembled and disassembled conveniently.
Second spliced pole 18 slidable mounting in installation spout 10, second spliced pole 18 outside cover is equipped with the rubber circle, avoids directly colliding with installation spout 10 inner wall through the rubber circle when second spliced pole 18 removes.
The outer diameter of the first spring 14 is larger than the distance between the two limiting sleeve seats 9, the outer diameter of the second spring 16 is larger than the width of the installation sliding groove 10, and the first spring 14 and the second spring 16 can be limited when moving in a damping process.
The wheel hub 8 outer end is installed the hub reduction gear, can realize big traction force performance requirement on the basis that does not change transaxle overall size and structure.
The specific operation steps of the drive axle are as follows:
the method comprises the following steps: the engine torque transmitted by the universal transmission shaft is transmitted through the main speed reducer 2, the hub speed reducer and the half shaft 4 to realize the rotation of a brake disc 7 and a hub 8, so as to drive wheels, meanwhile, the shaft sleeves 3 at the two ends of the shell 1 are provided with brakes 6 through mounting seats 5, and the brakes 6 and the brake disc 7 realize braking;
step two: after a first connecting column 11 passes through a first spring 14 and a limiting sleeve seat 9, a first connecting bolt 12 is in threaded connection with a first threaded hole of a bearing 15 sleeved on the outer side of a half shaft 4 to complete limiting of the first spring 14, and meanwhile, after a second connecting column 18 passes through an installation sliding groove 10 and a second spring 16, the second connecting column is connected with a second threaded hole on the outer side of the first connecting column 11 through a second connecting bolt 17 to complete fixing of the second spring 16;
step three: when the drive axle works, the vibration of the half shaft 4 is buffered and absorbed through the elastic deformation of the first spring 14, and when the first connecting column 11 moves along with the vibration, the first connecting column works on the second spring 16 and drives the second connecting column 18 to slide, so that the first connecting column and the second connecting column are matched with each other for use.
Through reasonable structural design and by adding the wheel-side speed reducer, the requirement on large traction force performance can be realized on the basis of not changing the total size and the structure of the drive axle, the maximum traction force of the drive axle can reach 30 tons, the whole axle reduction ratio is 30.45, and the maximum outer diameter of the main speed reducer 2 of the axle is not more than 370, so that the minimum ground clearance can be ensured when the main speed reducer is mounted on a small vehicle, and the trafficability of the whole vehicle is improved;
meanwhile, the vibration of the half shaft 4 is buffered and absorbed through the elastic deformation of the first spring 14, and when the first connecting column 11 moves along with the vibration, the second spring 16 is acted and the second connecting column 18 is driven to slide, so that the vibration of the half shaft 4 in use is reduced through mutual matching, and the service life of the half shaft 4 is greatly prolonged;
first spliced pole 11 passes behind first spring 14 and spacing sleeve seat 9, through first connecting bolt 12 and the first screw hole threaded connection of the bearing 15 of suit in the semi-axis 4 outside, accomplish spacing to first spring 14, pass second spliced pole 18 simultaneously behind installation spout 10 and the second spring 16, be connected through the second threaded hole in second connecting bolt 17 and the first spliced pole 11 outside, accomplish the fixed of second spring 16, be convenient for install semi-axis 4's shock-absorbing structure fast, be convenient for subsequent change and maintenance, make things convenient for in-service use.
The working principle of the invention is as follows: after a first connecting column 11 passes through a first spring 14 and a limiting sleeve seat 9, the first connecting column is in threaded connection with a first threaded hole of a bearing 15 sleeved on the outer side of a half shaft 4 through a first connecting bolt 12 to complete the limiting of the first spring 14, meanwhile, after a second connecting column 18 passes through a mounting chute 10 and a second spring 16, the second connecting column is connected with a second threaded hole on the outer side of the first connecting column 11 through a second connecting bolt 17 to complete the fixing of the second spring 16, the engine torque transmitted by a universal transmission shaft is transmitted through a main speed reducer 2, a wheel-side speed reducer and the half shaft 4 to realize the rotation of a brake disc 7 and a wheel hub 8 so as to drive the wheel, meanwhile, a brake 6 is mounted on shaft sleeves 3 at two ends of a shell 1 through a mounting seat 5, the braking is realized through the brake 6 and the brake disc 7, when a driving axle works, the vibration of the half shaft 4 is buffered and absorbed through the elastic deformation of the first, the second spring 16 is acted and drives the second connecting column 18 to slide, and the two springs are matched with each other for use.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The drive axle of the heavy electric tractor with the large speed ratio is characterized by comprising a shell (1), a main speed reducer (2), a shaft sleeve (3), a half shaft (4), a mounting seat (5), a brake (6), a brake disc (7) and a wheel hub (8), wherein the main speed reducer (2) is mounted inside the shell (1), the shaft sleeve (3) is mounted at two ends of the shell (1), the half shaft (4) is mounted at two ends of the main speed reducer (2) and positioned inside the shaft sleeve (3), the brake disc (7) and the wheel hub (8) are mounted at one end of the half shaft (4), the mounting seat (5) is mounted outside the shaft sleeve (3), the brake (6) is mounted on the mounting seat (5), and the brake (6) and the brake disc (7) are matched for use;
a bearing (15) is rotatably mounted on the outer side of the half shaft (4), limiting sleeve seats (9) are arranged on the periphery of the outer side of the shaft sleeve (3) at equal intervals, a plurality of first connecting columns (11) are mounted on the outer side of the bearing (15) at equal intervals, one end of each first connecting column (11) penetrates through the limiting sleeve seat (9) to be mounted with a baffle (13), and a first spring (14) is sleeved between the baffle (13) and the limiting sleeve seat (9) on the outer side of each first connecting column (11);
installation spout (10) have been seted up to spacing cover seat (9) both sides, second spliced pole (18) are installed to first spliced pole (11) both sides, and second spliced pole (18) one end runs through installation spout (10), the cover is equipped with second spring (16) outside second spliced pole (18) and is located between first spliced pole (11) and spacing cover seat (9).
2. The drive axle of the heavy-duty large-speed-ratio electric tractor according to claim 1, characterized in that a plurality of first threaded holes are formed in the outer side of the shaft sleeve (3), a first connecting bolt (12) is mounted at the other end of the first connecting column (11), and the first connecting bolt (12) is in threaded connection with the first threaded holes.
3. The drive axle of the heavy-duty large-speed-ratio electric tractor according to claim 1, wherein a plurality of second threaded holes are formed in the periphery of the outer side of the first connecting column (11), a second connecting bolt (17) is mounted at the other end of the second connecting column (18), and the second connecting bolt (17) is in threaded connection with the second threaded holes.
4. The drive axle of the heavy-duty large-speed-ratio electric tractor according to claim 1, wherein the second connecting column (18) is slidably mounted in the mounting chute (10), and a rubber ring is sleeved outside the second connecting column (18).
5. The transaxle of a heavy duty large speed ratio electric tractor according to claim 1, wherein the first spring (14) has an outer diameter larger than the distance between the two stop sleeve seats (9), and the second spring (16) has an outer diameter larger than the width of the mounting chute (10).
6. A heavy duty large ratio electric tractor transaxle according to claim 1 wherein a hub reduction gear is mounted to the outer end of the hub (8).
7. The drive axle of the heavy-duty large-speed-ratio electric tractor according to claim 1, characterized by comprising the following specific operation steps:
the method comprises the following steps: the engine torque transmitted by the universal transmission shaft is transmitted through the main speed reducer (2), the hub speed reducer and the half shaft (4) to realize the rotation of a brake disc (7) and a hub (8), so as to drive wheels, meanwhile, the shaft sleeves (3) at the two ends of the shell (1) are provided with brakes (6) through mounting seats (5), and the brakes (6) and the brake disc (7) are used for realizing the braking;
step two: after a first connecting column (11) penetrates through a first spring (14) and a limiting sleeve seat (9), a first connecting bolt (12) is in threaded connection with a first threaded hole of a bearing (15) sleeved on the outer side of a half shaft (4) to complete limiting of the first spring (14), and meanwhile, after a second connecting column (18) penetrates through a mounting chute (10) and a second spring (16), a second connecting bolt (17) is connected with a second threaded hole on the outer side of the first connecting column (11) to complete fixing of the second spring (16);
step three: when the drive axle works, the vibration of the half shaft (4) is buffered and absorbed through the elastic deformation of the first spring (14), and when the first connecting column (11) moves along with the vibration, the first connecting column applies work to the second spring (16) and drives the second connecting column (18) to slide, so that the first connecting column and the second connecting column are mutually matched for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350563.2A CN110861490B (en) | 2019-12-24 | 2019-12-24 | Driving axle of heavy large-speed-ratio electric tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350563.2A CN110861490B (en) | 2019-12-24 | 2019-12-24 | Driving axle of heavy large-speed-ratio electric tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110861490A true CN110861490A (en) | 2020-03-06 |
| CN110861490B CN110861490B (en) | 2024-06-18 |
Family
ID=69660002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911350563.2A Active CN110861490B (en) | 2019-12-24 | 2019-12-24 | Driving axle of heavy large-speed-ratio electric tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110861490B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844210A (en) * | 2021-09-06 | 2021-12-28 | 江铃汽车股份有限公司 | Lightweight rear axle device of light truck |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203974409U (en) * | 2014-07-19 | 2014-12-03 | 广东富华重工制造有限公司 | 25 tons of steering drive axles |
| CN104494422A (en) * | 2014-12-20 | 2015-04-08 | 合肥海源机械有限公司 | Special high-speed ratio drive axle for special equipment |
| 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 |
| WO2017114423A1 (en) * | 2015-12-31 | 2017-07-06 | Byd Company Limited | Electric drive axle assembly and vehicle having the electric drive axle assembly |
| CN211592243U (en) * | 2019-12-24 | 2020-09-29 | 合肥海源机械有限公司 | Heavy-duty large-speed-ratio electric tractor drive axle |
-
2019
- 2019-12-24 CN CN201911350563.2A patent/CN110861490B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203974409U (en) * | 2014-07-19 | 2014-12-03 | 广东富华重工制造有限公司 | 25 tons of steering drive axles |
| CN104494422A (en) * | 2014-12-20 | 2015-04-08 | 合肥海源机械有限公司 | Special high-speed ratio drive axle for special equipment |
| WO2017114423A1 (en) * | 2015-12-31 | 2017-07-06 | Byd Company Limited | Electric drive axle assembly and vehicle having the electric drive axle assembly |
| 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 |
| CN211592243U (en) * | 2019-12-24 | 2020-09-29 | 合肥海源机械有限公司 | Heavy-duty large-speed-ratio electric tractor drive axle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844210A (en) * | 2021-09-06 | 2021-12-28 | 江铃汽车股份有限公司 | Lightweight rear axle device of light truck |
| CN113844210B (en) * | 2021-09-06 | 2023-08-22 | 江铃汽车股份有限公司 | Light rear axle device of light truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110861490B (en) | 2024-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108146145B (en) | Electric wheel with large-gear-ratio planetary reducer and vehicle | |
| KR101462790B1 (en) | Lear suspension mounting structure for an electronic vehicle | |
| JP2013103665A (en) | Steering device of in-wheel motor drive wheel | |
| CN201872602U (en) | Wheel reduction electric wheel having drum brake | |
| CN105313953A (en) | Motor vehicle single wheel device characterized by independent steering and wheel-side driving and control method | |
| CN110733324A (en) | Electric drive axle and vehicle | |
| CN211592243U (en) | Heavy-duty large-speed-ratio electric tractor drive axle | |
| CN110861490A (en) | Heavy-duty large-speed-ratio electric tractor drive axle | |
| CN108128141B (en) | Force transmission method of electric wheel and vehicle using same | |
| CN108146144B (en) | A wheel hub subassembly, electronic round and vehicle for electronic round | |
| CN210734281U (en) | Suspension integrated wire-controlled steering mechanism for electric wheel driven automobile | |
| CN104129287B (en) | Differential device of rear axle of vehicle | |
| CN215950321U (en) | Single gear box with wheel axles on two sides | |
| CN113291151A (en) | Drive axle of integrated input shaft position variable reduction gearbox for snow sweeper | |
| CN211493658U (en) | Driving mechanism for wire control chassis | |
| CN211592242U (en) | Drive axle assembly with secondary speed reducer | |
| CN109606526B (en) | U-shaped suspension system with cross rod | |
| CN210707360U (en) | Chassis and vehicle | |
| CN112780756A (en) | Single gear box with wheel axles on two sides | |
| CN110696787B (en) | Chassis and vehicle | |
| CN103303063B (en) | High-ground-clearance gantry type drive axle | |
| CN204020557U (en) | Vehicle rear axle differential gear | |
| CN201922856U (en) | Driving tyres combination unit for hydraulic driving tyre road roller | |
| CN204415044U (en) | A kind of harvest machinery rear steering drive axle of braking device | |
| CN220198974U (en) | Driving half shaft and electric drive axle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |