CN111287236A - Drive axle transmission system and land leveler - Google Patents
Drive axle transmission system and land leveler Download PDFInfo
- Publication number
- CN111287236A CN111287236A CN202010237453.1A CN202010237453A CN111287236A CN 111287236 A CN111287236 A CN 111287236A CN 202010237453 A CN202010237453 A CN 202010237453A CN 111287236 A CN111287236 A CN 111287236A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 185
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The present disclosure provides a drive axle drive system and grader, including: an axle housing; the main transmission device is arranged in the axle housing; the half shafts are arranged on two sides of the main transmission device, and the first ends of the half shafts are in transmission connection with the main transmission device; the balance boxes are arranged on two sides of the axle housing and are assembled and connected with the axle housing; the balance box transmission mechanism is arranged in the balance box and is in transmission connection with the second end of the half shaft, the balance box transmission mechanism is a gear transmission mechanism, and the axes of gears of the gear transmission mechanism are not overlapped with each other; and the wheel reduction gear is arranged at the end part of the balance box and is in transmission connection with the transmission mechanism of the balance box. The transmission structure of the land leveler is simplified, and the environmental reliability of the transmission system of the land leveler is improved.
Description
Technical Field
The disclosure relates to the field of engineering machinery, in particular to a drive axle transmission system and a land leveler.
Background
The land leveler is widely applied to pavement construction. During construction, the land leveler mostly runs under continuous load, particularly under severe working conditions such as large mines and the like, a high-horsepower land leveler with large traction force and large load needs to be used, and the environmental reliability of a land leveler transmission system plays a crucial role in the performance of the land leveler.
In a traditional land leveler transmission system, a drive axle transmission system adopts a transmission mode of combining a sectional type axle housing and a balance box, a main transmission device in the middle of the axle housing further reduces the rotating speed and increases the torque of power input by a gearbox, and then the power is transmitted to planetary transmission devices at two ends of the axle housing through a differential mechanism and a half shaft, and the output end of the planetary transmission device drives double rows of chain wheels in the balance box to further drive two roller chains, so that the power is transmitted to a drive wheel.
In carrying out the present disclosure, the inventors have discovered that such a drive axle transmission system suffers from the following deficiencies: the sectional type axle housing is formed by assembling the axle housing of the main transmission device and the axle housing of the planetary transmission device, has large accumulated error, high requirements on part processing and assembly, complex maintenance and high manufacturing and maintenance cost; the chain transmission has a polygonal effect, the chain has high mass, a constant instantaneous transmission ratio cannot be ensured in the running process of the land leveler, and high dynamic load is easy to generate; under the transmission mode of sectional type axle housing and balance box combination, the transmission link is many, the structure is complicated and part figure is many, leads to transmission efficiency loss more. The above disadvantages make such a drive axle transmission system unsuitable for use in conditions of high traction and high load.
Disclosure of Invention
The invention aims to provide a drive axle transmission system and a grader, so that the transmission structure of the grader is simplified, and the environmental reliability of the grader transmission system is improved.
A first aspect of the present disclosure provides a drive axle transmission system comprising:
an axle housing;
the main transmission device is arranged in the axle housing;
and the half shafts are arranged on two sides of the main transmission device, and the first ends of the half shafts are in transmission connection with the main transmission device.
The balance boxes are arranged on two sides of the axle housing and are assembled and connected with the axle housing;
the balance box transmission mechanism is arranged in the balance box and is in transmission connection with the second end of the half shaft, the balance box transmission mechanism is a gear transmission mechanism, and the axes of gears of the gear transmission mechanism are not overlapped with each other; and
and the wheel reduction gear is arranged at the end part of the balance box and is in transmission connection with the transmission mechanism of the balance box.
According to some embodiments of the disclosure, the balance box transmission mechanism comprises:
the input shaft is arranged on the balance box and is in transmission connection with the second end of the half shaft;
an input gear disposed on the input shaft;
the output shaft is arranged on the balance box and is in transmission connection with the hub reduction gear; and
and the output gear is arranged on the output shaft and is in transmission connection with the input gear.
According to some embodiments of the present disclosure, the balance box is assembled and connected with the axle housing in the middle of the balance box, and the balance box transmission mechanism comprises two sets of the output shafts and the output gears which are arranged at two ends of the balance box.
According to some embodiments of the disclosure, the balance box transmission mechanism comprises:
at least one intermediate shaft mounted on the balance box between the input shaft and the output shaft; and
at least one intermediate gear disposed on the intermediate shaft, the input gear, each intermediate gear, and the output gear being sequentially engaged.
According to some embodiments of the present disclosure, the axle housing is a one-piece axle housing.
According to some embodiments of the disclosure, the main transmission comprises:
the main speed reducer comprises a first bevel gear and a second bevel gear which are meshed with each other; and
and the differential is in transmission connection with the second bevel gear and the first end of the half shaft.
According to some embodiments of the present disclosure, the hub reduction gear comprises:
the sun wheel is in transmission connection with the balance box transmission mechanism;
a planet gear meshed with the sun gear;
the planet wheel carrier is rotatably connected with the planet wheel; and
and the gear ring is fixedly connected with the balance box relatively and is meshed with the planet gear.
A second aspect of the present disclosure provides a grader comprising:
the transaxle transmission system according to the first aspect of the present disclosure; and
and the driving wheel is in transmission connection with the hub reduction gear of the drive axle transmission system.
According to the drive axle transmission system provided by some embodiments of the disclosure, the transmission route is simplified, the transmission capacity of the balance box transmission mechanism is enhanced, the axle housing of the drive axle transmission system is optimized, and the wheel reduction gear is used as the tail end transmission mechanism, so that the strength and the environmental reliability of the land leveler comprising the drive axle transmission system are improved.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure. In the drawings:
FIG. 1 is a transmission schematic of a transaxle transmission system according to some embodiments of the present disclosure.
FIG. 2 is a schematic structural diagram of a transaxle drive train according to some embodiments of the present disclosure.
In fig. 1 and 2, the respective reference numerals denote:
1. a main transmission device; 111. a first bevel gear; 112. a second bevel gear; 12. a differential mechanism; 2. an axle housing; 3. a half shaft; 4. a balancing box; 5. a balance box transmission mechanism; 510. an input shaft; 511. an input gear; 520. an output shaft; 521. an output gear; 530. an intermediate shaft; 531. an intermediate gear; 6. a hub reduction gear; 61. a sun gear; 62. a planet wheel; 63. a planet carrier; 64. a ring gear; 7. a drive wheel; 8. a universal transmission device.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present disclosure, it should be understood that the terms "first", "second", etc. are used to define the components, and are used only for convenience of distinguishing the corresponding components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present disclosure.
In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are presented only for the convenience of describing and simplifying the disclosure, and in the absence of a contrary indication, these directional terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the disclosure; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1 and 2, some embodiments of the present disclosure provide a transaxle transmission system including an axle housing 2, a main transmission 1, half shafts 3, a balance box 4, a balance box transmission 5, and a hub reduction gear 6.
The axle housing 2 serves to support and protect the transmission members such as the main transmission 1 and the axle shaft 3 mounted therein.
The main transmission device 1 is positioned at the power input end of a drive axle transmission system, and the main transmission device 1 is installed in the axle housing 2.
The two half shafts 3 are respectively arranged on two sides of the main transmission device 1, and the first ends of the half shafts 3 are in transmission connection with the main transmission device 1. Differential motion can be realized to two semi-axles 3 for convey the driving medium of axle housing 2 both sides respectively with power.
Balance box 4 sets up in the both sides of axle housing 2, and balance box 4 and axle housing 2 be assembled between/be connected, and balance box 4 can swing axle housing 2 relatively.
The balance box transmission mechanism 5 is arranged in the balance box 4, and the balance box transmission mechanism 5 is in transmission connection with the second end of the half shaft 3 and used for transmitting power from the half shaft 3 to the power output end of the drive axle transmission system. The balance box transmission mechanism 5 is a gear transmission mechanism, and the axes of gears of the gear transmission mechanism are not overlapped with each other. The balance box transmission mechanism 5 arranged in the balance box 4 adopts a gear transmission mechanism, and compared with a chain transmission mechanism, the transmission mechanism can obtain more stable instantaneous transmission ratio, reduce dynamic load and enable the transmission process of a drive axle transmission system to be more stable.
The wheel reduction gear 6 is positioned at the power output end of the drive axle transmission system, the wheel reduction gear 6 is arranged at the end part of the balance box 4, and the wheel reduction gear 6 is in transmission connection with the balance box transmission mechanism 5.
In some embodiments, the balance box gear train 5 includes an input shaft 510, an input gear 511, an output shaft 520, and an output gear 521. Wherein, the input shaft 510 is arranged on the balance box 4, and the input shaft 510 is in transmission connection with the second end of the half shaft 3; input gear 511 is provided on input shaft 510; the output shaft 520 is arranged on the balance box 4, and the output shaft 520 is in transmission connection with the hub reduction gear 6; output gear 521 is disposed on output shaft 520, and output gear 521 is in driving connection with input gear 511.
The number of output gears 521 can be set accordingly according to the number of power output ends of the drive axle transmission system. For example, in a transaxle transmission system for a four-wheel drive vehicle, a balance box 4 is assembled and connected to an axle housing 2 at the middle of the balance box 4, and a balance box transmission mechanism 5 includes two sets of output shafts 520 and output gears 521 provided at both ends of the balance box 4.
In some embodiments, at least one intermediate shaft 530 and at least one intermediate gear 531 may be provided in the balancing box gear mechanism 5. The intermediate shaft 530 is mounted on the balance box 4 between the input shaft 510 and the output shaft 520; an intermediate gear 531 is provided on the intermediate shaft 530, and the input gear 511, the intermediate gears 531, and the output gear 521 are sequentially engaged. The number of countershafts 530 and idler gears 531 may be determined based on the size of the transaxle drive train. The number of intermediate gears 531 may be the same, the number of which mainly affects the size of the drive axle transmission system and the steering of the output gear 521, and the transmission ratio of the balance box transmission 5 is determined by the input gear 511 and the output gear 521, and the transmission form is a one-stage gear transmission. Compared with other transmission modes such as chain transmission, multi-stage gear transmission and the like in the balance box, the balance box transmission mechanism 5 is simple in structure, simple in loaded condition of each gear and each gear shaft, strong in loaded capacity and beneficial to enabling a drive axle transmission system to transmit more stably.
In some embodiments, the axle housing 2 is a one-piece axle housing. The axle housing 2 may be integrally formed by casting or the like. The drive axle transmission of the vehicle is typically connected to the frame of the vehicle at the location of the axle housing 2 by leaf springs. Compared with the sectional type axle housing formed by assembling, the integral type axle housing is adopted, so that the structural strength of a drive axle transmission system is improved, and the environmental reliability of a vehicle under a complex working condition is improved; on the other hand, the number of parts is reduced, and the difficulty in manufacturing and assembling the drive axle transmission system is reduced.
In some embodiments, the main transmission 1 comprises: a final drive 11 and a differential 12. Wherein, the main reducer 11 includes a first bevel gear 111 and a second bevel gear 112 engaged with each other; the differential 12 is in driving connection with the second bevel gear 112 and the first end of the half shaft 3.
In some embodiments, the hub reduction gear 6 employs a planetary gear train transmission, and the hub reduction gear 6 includes a sun gear 61, a plurality of planet gears 62, a planet gear carrier 63, and a ring gear 64. The sun gear 61 is in transmission connection with the balance box transmission mechanism 5, for example, the sun gear 61 may be fixedly connected with the output shaft 520 of the balance box transmission mechanism 5, or the sun gear 61 and the output shaft 520 may be integrally formed; a plurality of planetary gears 62 are meshed with the sun gear 61; the planetary carrier 63 is rotatably connected with each planetary gear 62; the ring gear 64 is connected relatively fixedly to the balancing tank 4 and meshes with the planet gears 62. The hub reduction gear 6 can use the sun gear 61 as an input end and the planet gear carrier 63 as an output end, the configuration can provide the maximum reduction ratio, the transmission efficiency is high, and the effects of reducing speed and increasing torque are favorably achieved.
Compared with the planetary gear train transmission mechanism arranged between the main transmission device and the balance box, the planetary gear train transmission mechanism arranged at the power output end of the drive axle transmission system can reduce the loads of the main transmission device, the half shaft and the balance box transmission mechanism, and prolong the service life of the drive axle transmission system.
Some embodiments of the present disclosure also provide a grader comprising the aforementioned transaxle transmission system and drive wheels 7. The motor grader has the corresponding advantages of the drive axle transmission system.
The main transmission device 1 of the drive axle transmission system is in transmission connection with a gearbox of the land leveler. The driving wheel 7 is in transmission connection with a wheel-side reducer 6 of a drive axle transmission system. The driving wheel 7 and the hub reduction gear 6 may be in transmission connection in such a way that a hub portion of the driving wheel 7 is in fit connection with the planet carrier 63 of the hub reduction gear 6, and the driving wheel 7 rotates with the planet carrier 63.
The drive train of the transaxle drive train and the grader according to some embodiments of the present disclosure will be further described with reference to fig. 1 and 2.
The power of the gearbox is transmitted to a first bevel gear 111 of a drive axle transmission system through a universal transmission device 8; the main transmission device 1 completes the first-stage speed reduction through a first bevel gear 111 and a second bevel gear 112, and then respectively transmits power to the two half shafts 3 through a differential 12; the half-shaft 3 transmits power to the input gear 511 of the balance box transmission mechanism 5; the balance box transmission mechanism 5 completes the second-stage speed reduction through the input gear 511, the intermediate gear 531 and the output gear 521, and transmits power to the sun gear 61 of the wheel-side speed reducer 6; the sun gear 61 of the hub reduction gear 6 rotates to drive the planet gear 62 and the planet gear carrier 63 to revolve, further reduces the speed, and transmits power to the driving wheel 7 connected with the planet gear carrier 63; the driving wheel 7 drives the land leveler to travel.
According to the description of the various embodiments, the embodiments of the present disclosure have at least one of the following beneficial effects:
the balance box transmission mechanism adopts a one-level gear transmission mode, has a simple structure, large bearing torque and large transmission power, can enable a drive axle transmission system to transmit more stably, and further can ensure constant and stable speed when the land leveler runs.
The drive axle transmission system adopts the integral axle housing, and compared with a sectional type axle housing, the load performance of the integral axle housing is enhanced, the difficulty in processing, manufacturing and maintaining is reduced, the cost is reduced, and the reliability is improved.
The planetary reduction structure is arranged at the tail end of a transmission chain of the drive axle transmission system, so that the speed and the torque are further reduced and increased, the number of parts in the drive axle transmission system is reduced, the transmission efficiency is increased, and the maintenance cost is reduced.
Finally, it should be noted that: the above examples are intended only to illustrate the technical solutions of the present disclosure and not to limit them; although the present disclosure has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will understand that: modifications to the embodiments of the disclosure or equivalent replacements of parts of the technical features may be made, which are all covered by the technical solution claimed by the disclosure.
Claims (8)
1. A drive axle transmission system, comprising:
an axle housing (2);
the main transmission device (1) is arranged in the axle housing (2);
the half shafts (3) are arranged on two sides of the main transmission device (1), and the first ends of the half shafts (3) are in transmission connection with the main transmission device (1);
the balance boxes (4) are arranged on two sides of the axle housing (2), and the balance boxes (4) are assembled and connected with the axle housing (2);
the balance box transmission mechanism (5) is arranged in the balance box (4), the balance box transmission mechanism (5) is in transmission connection with the second end of the half shaft (3), the balance box transmission mechanism (5) is a gear transmission mechanism, and the axes of gears of the gear transmission mechanism are not overlapped; and
and the wheel reduction gear (6) is arranged at the end part of the balance box (4), and the wheel reduction gear (6) is in transmission connection with the balance box transmission mechanism (5).
2. Transaxle transmission system according to claim 1, wherein the balance box transmission mechanism (5) comprises:
the input shaft (510) is mounted on the balance box (4), and the input shaft (510) is in transmission connection with the second end of the half shaft (3);
an input gear (511) provided on the input shaft (510);
the output shaft (520) is installed on the balance box (4), and the output shaft (520) is in transmission connection with the hub reduction gear (6); and
the output gear (521) is arranged on the output shaft (520), and the output gear (521) is in transmission connection with the input gear (511).
3. The drive axle transmission system according to claim 2, wherein the balance box (4) is assembled and connected with the axle housing (2) in the middle of the balance box (4), and the balance box transmission mechanism (5) comprises two groups of output shafts (520) and output gears (521) which are arranged at two ends of the balance box (4).
4. Transaxle transmission system according to claim 2, wherein the balance box transmission mechanism (5) comprises:
at least one intermediate shaft (530), said intermediate shaft (530) being mounted on said balancing tank (4) and being located between said input shaft (510) and said output shaft (520); and
at least one intermediate gear (531), said intermediate gear (531) being disposed on said intermediate shaft (530), said input gear (511), each of said intermediate gears (531) and said output gear (521) being sequentially engaged.
5. The drive axle transmission system according to any one of claims 1 to 4, wherein the axle housing (2) is a monoblock axle housing.
6. Transaxle transmission system according to any one of claims 1 to 4, wherein the main transmission (1) comprises:
a final drive (11) comprising a first bevel gear (111) and a second bevel gear (112) which mesh with each other; and
and the differential (12) is in transmission connection with the second bevel gear (112) and the first end of the half shaft (3).
7. Transaxle transmission system according to any one of claims 1 to 4, wherein the hub reduction gear (6) comprises:
the sun gear (61) is in transmission connection with the balance box transmission mechanism (5);
a planetary wheel (62), the planetary wheel (62) being in mesh with the sun wheel (61);
a planet wheel carrier (63) rotatably connected with the planet wheels (62); and
a ring gear (64) which is connected in a fixed manner relative to the balancing tank (4) and meshes with the planet gears (62).
8. A grader, comprising:
the drive axle transmission system according to any one of claims 1 to 7; and
and the driving wheel (7) is in transmission connection with the hub reduction gear (6) of the drive axle transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010237453.1A CN111287236A (en) | 2020-03-30 | 2020-03-30 | Drive axle transmission system and land leveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010237453.1A CN111287236A (en) | 2020-03-30 | 2020-03-30 | Drive axle transmission system and land leveler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111287236A true CN111287236A (en) | 2020-06-16 |
Family
ID=71023795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010237453.1A Pending CN111287236A (en) | 2020-03-30 | 2020-03-30 | Drive axle transmission system and land leveler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111287236A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431890A (en) * | 2021-07-08 | 2021-09-24 | 徐州徐工传动科技有限公司 | Power transmission case, drive device and vehicle |
| CN114892745A (en) * | 2022-06-28 | 2022-08-12 | 山东路通重工机械有限公司 | Four-wheel drive duplex drive axle with balancing device for high-power land leveller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201192987Y (en) * | 2008-03-17 | 2009-02-11 | 徐州天和车桥有限公司 | Drive axle for land leveller and engineering special vehicle |
| CN101532299A (en) * | 2009-04-15 | 2009-09-16 | 西北农林科技大学 | Driving bridge and balancing box transmission system of land scraper |
| JP2010138585A (en) * | 2008-12-10 | 2010-06-24 | Mitsubishi Agricult Mach Co Ltd | Work vehicle |
| CN202879247U (en) * | 2012-10-24 | 2013-04-17 | 鼎盛重工机械有限公司 | Walk driving device of land leveller rear axle balance box |
| CN203866878U (en) * | 2014-02-28 | 2014-10-08 | 徐州徐工筑路机械有限公司 | Driving axle of grader |
| RU2692737C1 (en) * | 2018-04-10 | 2019-06-26 | Евгений Владимирович Габай | Mechanical transmission with hydraulic differential connections of drive wheels and multi-mode system for electronic control of their interlocking for off-road vehicle |
| CN211898613U (en) * | 2020-03-30 | 2020-11-10 | 徐州徐工传动科技有限公司 | Drive axle transmission system and land leveler |
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2020
- 2020-03-30 CN CN202010237453.1A patent/CN111287236A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201192987Y (en) * | 2008-03-17 | 2009-02-11 | 徐州天和车桥有限公司 | Drive axle for land leveller and engineering special vehicle |
| JP2010138585A (en) * | 2008-12-10 | 2010-06-24 | Mitsubishi Agricult Mach Co Ltd | Work vehicle |
| CN101532299A (en) * | 2009-04-15 | 2009-09-16 | 西北农林科技大学 | Driving bridge and balancing box transmission system of land scraper |
| CN202879247U (en) * | 2012-10-24 | 2013-04-17 | 鼎盛重工机械有限公司 | Walk driving device of land leveller rear axle balance box |
| CN203866878U (en) * | 2014-02-28 | 2014-10-08 | 徐州徐工筑路机械有限公司 | Driving axle of grader |
| RU2692737C1 (en) * | 2018-04-10 | 2019-06-26 | Евгений Владимирович Габай | Mechanical transmission with hydraulic differential connections of drive wheels and multi-mode system for electronic control of their interlocking for off-road vehicle |
| CN211898613U (en) * | 2020-03-30 | 2020-11-10 | 徐州徐工传动科技有限公司 | Drive axle transmission system and land leveler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431890A (en) * | 2021-07-08 | 2021-09-24 | 徐州徐工传动科技有限公司 | Power transmission case, drive device and vehicle |
| CN114892745A (en) * | 2022-06-28 | 2022-08-12 | 山东路通重工机械有限公司 | Four-wheel drive duplex drive axle with balancing device for high-power land leveller |
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