CN113263868A - Drive axle system for loader - Google Patents
Drive axle system for loader Download PDFInfo
- Publication number
- CN113263868A CN113263868A CN202110581471.6A CN202110581471A CN113263868A CN 113263868 A CN113263868 A CN 113263868A CN 202110581471 A CN202110581471 A CN 202110581471A CN 113263868 A CN113263868 A CN 113263868A
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- Prior art keywords
- axle
- oil cylinder
- steering
- loader
- drive axle
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- 239000000725 suspension Substances 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 gravel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B60B35/004—Mounting arrangements for axles
- B60B35/006—Mounting arrangements for axles with mounting plates or consoles fitted to axles
- B60B35/007—Mounting arrangements for axles with mounting plates or consoles fitted to axles for mounting suspension elements to axles
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention discloses a drive axle system for a loader, which comprises a front axle, a front transmission shaft, a support seat assembly, a middle transmission shaft, a gearbox, a rear transmission shaft and a rear axle which are sequentially connected; the front axle is a steering drive axle and comprises a drive axle and hubs on two sides; one end of the front axle locking oil cylinder and one end of the front axle steering oil cylinder are connected with the drive axle, and the other ends of the front axle locking oil cylinder and the front axle steering oil cylinder are connected with the corresponding wheel hubs; the front frame and the rear frame are hinged with a steering oil cylinder and are connected through a hinge pin; the hinge locking oil cylinder is arranged on the front frame or the rear frame, and when the loader runs in a high-speed mode, the front frame and the rear frame are locked into a whole by matching with a hinge pin; the front axle and the rear axle are respectively hinged with the front frame and the rear frame through a push rod and a suspension oil cylinder. The invention can make the loader have two speed modes of high and low, the highest speed is the same as the ordinary loader in the low speed mode, the speed can be more than 80km/h in the high speed mode, thus meet the specific requirements of some users.
Description
Technical Field
The invention belongs to the field of engineering machinery, and particularly relates to a drive axle system for a loader, which can be used for a loader running at a high speed, wherein the highest speed can be more than 80 km/h.
Background
In engineering construction, a loader is a construction machine widely applied to working conditions of ports, mines, roads, buildings and the like, is mainly used for shoveling and loading bulk materials such as soil, gravel, coal and the like, can also carry out slight shoveling and digging operation on ores and hard soil, and can also carry out some special loading and unloading operations if different auxiliary working devices are replaced. The loader has the advantages of high operation speed, high efficiency, convenience in operation and the like, so that the loader becomes one of the main machine types of mechanical construction in engineering construction.
Although the loader has many advantages and is applied more at home and abroad, the highest speed of the common loader at home can only reach about 40km/h, compared with the speed of other vehicles, the speed of the common loader at home is slower, the working condition places cannot be switched in time, the loader needs to be conveyed to another working condition place through a truck in an emergency, the time cost and the material waste are increased, and the specific requirements of some users cannot be met.
Disclosure of Invention
Aiming at the problems, the invention provides a drive axle system for a loader, which can enable the loader to have a high speed mode and a low speed mode, wherein the highest speed in the low speed mode is the same as that of a common loader and can be used for normal shovel loading operation as the common loader, and the speed in the high speed mode can be more than 80km/h, so that the specific requirements of certain users are met.
In order to achieve the technical purpose and achieve the technical effects, the invention is realized by the following technical scheme:
a drive axle system for a loader comprising:
the front axle, the front transmission shaft, the support seat assembly, the middle transmission shaft, the gearbox, the rear transmission shaft and the rear axle are sequentially connected; the front axle is a steering drive axle and comprises a drive axle and hubs arranged on two sides of the drive axle;
one end of the front axle locking oil cylinder is connected with the drive axle, and the other end of the front axle locking oil cylinder is connected with the corresponding wheel hub;
one end of the front axle steering oil cylinder is connected with the drive axle, and the other end of the front axle steering oil cylinder is connected with the corresponding wheel hub;
the front frame and the rear frame are hinged with a steering oil cylinder and are connected through a hinge pin;
the hinge locking oil cylinder is arranged on the front frame or the rear frame, and is matched with the hinge pin to lock the front frame and the rear frame into a whole when the loader runs in a high-speed mode;
the front axle is also hinged with the front frame through a push rod and a suspension oil cylinder respectively;
the rear axle is also hinged with the rear frame through a push rod and a suspension oil cylinder respectively.
Optionally, a positioning pin is arranged on the front frame, and when the loader operates in a low-speed mode, the suspension cylinder descends, so that the positioning pin is inserted into a pin hole in the top of the front axle.
Optionally, the front axle is hinged to the front frame through a push rod to transmit driving force to the front frame, and the front axle is hinged to the front frame in the vertical direction through a suspension cylinder to adjust the vertical distance between the front axle and the front frame.
Optionally, the rear axle is hinged to the rear frame via a push rod to transmit the driving force to the rear frame, and is hinged to the rear frame via a suspension cylinder in the vertical direction to adjust the vertical distance between the rear axle and the rear frame.
Optionally, the front frame and the rear frame are connected by an upper hinge pin and a lower hinge pin.
Optionally, the hinge holes at two ends of the steering cylinder are respectively connected with the front frame and the rear frame through steering pins.
Optionally, the drive axle system for the high-speed loader further comprises an emergency steering device, an emergency steering interface is arranged on the front axle, the emergency steering device is connected with the emergency steering interface, and when the loader operates in a high-speed mode, a steering wheel controls the steering oil cylinder of the front axle and the emergency steering device to steer simultaneously during normal operation; when the front axle steering oil cylinder cannot realize steering, the steering wheel controls the emergency steering device to perform emergency steering.
Optionally, when the loader operates in a low-speed mode, the front axle locking oil cylinder is controlled to lock the front axle steering function, and the drive axle system for the loader adopts articulated steering.
Optionally, when the loader runs in a high-speed mode, the articulated locking cylinder is controlled to lock the front frame and the rear frame into a whole, and the drive axle system for the loader adopts front axle steering.
Optionally, the hinge holes at two ends of the front axle locking oil cylinder are connected to the drive axle through a first pin shaft; and hinge holes at two ends of the front axle steering oil cylinder are connected to the drive axle through a second pin shaft.
Compared with the prior art, the invention has the beneficial effects that:
the drive axle system for the loader can enable the loader to have a high speed mode and a low speed mode, the highest speed in the low speed mode is the same as that of a common loader, the loader can carry out normal shovel loading operation as the common loader, and the speed in the high speed mode can be more than 80km/h, so that specific requirements of certain users are met.
According to the drive axle system for the loader, when the drive axle system is in a low-speed mode, the front axle locking oil cylinder is controlled by the hydraulic system to lock the steering function of the front axle, and the whole loader adopts hinged steering and can work as a common loader; in a high-speed mode, the hinged locking oil cylinder is controlled by the hydraulic system to lock the front frame and the rear frame into a whole, and the whole machine adopts front axle steering, so that the steering stability in high-speed running is improved.
According to the shovel loader, the suspension oil cylinders are assembled on the front axle and the rear axle, the suspension oil cylinders are controlled to descend through the hydraulic system in the low-speed mode, the front frame and the rear frame are respectively pressed on the front axle and the rear axle, the center of gravity of the whole shovel loader is reduced, the stability of shovel loader operation is improved, the stroke of the suspension oil cylinders is controlled to be located at the middle position through the hydraulic system in the high-speed mode, the suspension oil cylinders play a role in buffering and vibration reduction in the driving process, and the driving comfort is improved.
The front axle of the emergency steering system is provided with the emergency steering interface, the emergency steering device is configured, the steering wheel controls the front axle steering oil cylinder and the emergency steering device to steer simultaneously in normal work in a high-speed mode, the steering oil cylinder is preferentially steered, and if the front axle steering oil cylinder or a pipeline is suddenly damaged and cannot steer, the steering wheel controls the emergency steering device to steer emergently.
The front axle is a steering drive axle, the rear axle is a common drive axle, and the front axle and the rear axle are both common drive axles of a common loader in the prior art.
When the vehicle passes through a wading road or an arch bridge, the lifting or descending of the suspension oil cylinder is controlled by the hydraulic system, so that the height of the whole vehicle can be lifted, and the trafficability of the whole vehicle is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic overall configuration diagram of a drive axle system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a drive axle connection according to one embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of a front axle and a front frame according to an embodiment of the present invention;
in the figure:
the device comprises a front frame 1, a rear frame 2, a gearbox 3, a front axle 4, a rear axle 5, a front transmission shaft 6, a support seat assembly 7, a middle transmission shaft 8, a rear transmission shaft 9, an emergency steering device 10, a front axle locking oil cylinder 11, a front axle steering oil cylinder 12, a push rod 13, a steering oil cylinder 14, a suspension oil cylinder 15, a hinge locking oil cylinder 16, an upper hinge pin 17, a lower hinge pin 18, a first pin 19, a second pin 20, a positioning pin 21 and a steering pin 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
Example 1
As shown in fig. 1 to 3, the present invention provides a drive axle system for a loader, comprising:
the front axle 4, the front transmission shaft 6, the supporting seat assembly 7, the middle transmission shaft 8, the gearbox 3, the rear transmission shaft 9 and the rear axle 5 are sequentially connected; the front axle 4 is a steering drive axle and comprises a drive axle and hubs arranged on two sides of the drive axle;
one end of the front axle locking oil cylinder 11 is connected with the drive axle, and the other end of the front axle locking oil cylinder is connected with the corresponding wheel hub; specifically, hinged holes at two ends of the front axle locking oil cylinder 11 are connected to the drive axle through a first pin shaft 19;
one end of the front axle steering oil cylinder 12 is connected with the drive axle, and the other end of the front axle steering oil cylinder is connected with the corresponding wheel hub; specifically, the hinged holes at two ends of the front axle steering cylinder 12 are connected to the drive axle through a second pin shaft 20;
the front frame 1 and the rear frame 2 are hinged with a steering oil cylinder 14 and connected through a hinge pin; in the specific implementation process, the front frame 1 and the rear frame 2 are connected through an upper hinge pin 17 and a lower hinge pin 18; specifically, the hinge holes at two ends of the steering cylinder are respectively connected with the front frame 1 and the rear frame 2 through a steering pin 22;
the hinge locking oil cylinder 16 is arranged on the front frame 1 or the rear frame 2, and is matched with the hinge pin to lock the front frame 1 and the rear frame 2 into a whole when the loader runs in a high-speed mode;
the front axle 4 is also hinged with the front frame 1 through a push rod 13 and a suspension oil cylinder 15 respectively; specifically, the front axle 4 is hinged with the front frame 1 through a push rod 13, transmits driving force to the front frame, is hinged with the front frame 1 in the vertical direction through a suspension oil cylinder 15, adjusts the vertical distance between the front axle 4 and the front frame 1, and has a buffering and vibration damping effect;
the rear axle 5 is also hinged with the rear frame 2 through a push rod 13 and a suspension oil cylinder 15 respectively; specifically, the rear axle 5 is hinged with the rear frame 2 through a push rod 13, transmits driving force to the rear frame 2, is hinged with the rear frame 2 in the vertical direction through a suspension oil cylinder 15, adjusts the distance between the rear axle 5 and the rear frame 2 in the vertical direction, and has a buffering and vibration damping effect;
when the loader runs in a low-speed mode, the front axle locking oil cylinder 11 is controlled to lock the steering function of the front axle 4, and the drive axle system for the loader adopts articulated steering.
When the loader runs in a high-speed mode, the hinged locking oil cylinder 16 is controlled to lock the front frame 1 and the rear frame 2 into a whole, and the drive axle system for the loader adopts the front axle 4 to steer.
The low-speed mode and the high-speed mode are switched by a driver pressing a switch before driving, then the locking oil cylinder and the suspension oil cylinder of the loader are automatically controlled to be switched to corresponding driving states through a hydraulic system, and the rear loader can work, wherein the speed of the low-speed mode is about 0-40 km/h, and the speed of the high-speed mode is about 0-80 km/h.
Example 2
Based on example 1, the inventive example differs from example 1 in that:
the positioning pin 21 is arranged on the front frame 1, and when the loader operates in a low-speed mode, the suspension oil cylinder 15 descends, so that the positioning pin 21 is inserted into a pin hole in the top of the front axle 4 to play a positioning role.
Example 3
Based on example 1 or 2, the inventive examples differ from example 1 or 2 in that:
the drive axle system for the high-speed loader further comprises an emergency steering device 10, an emergency steering interface is arranged on the front axle 4, the emergency steering device 10 is connected with the emergency steering interface, and when the loader operates in a high-speed mode, a steering wheel controls the steering of the front axle steering oil cylinder 12 and the emergency steering device 10 simultaneously during normal operation; when the front axle steering oil cylinder 12 cannot realize steering, the steering wheel controls the emergency steering device 10 to perform emergency steering.
In summary, the front axle of the drive axle system is a steering drive axle, the rear axle is a common drive axle, and the drive axle system has two working modes, namely a low-speed mode and the same speed as a common loader; one is a high speed mode, and the vehicle speed may be greater than 80 km/h.
In a low-speed mode, the front axle locking oil cylinder 11 is controlled by a hydraulic system to lock the steering function of the front axle, and the whole loader adopts articulated steering and can work as a common loader; in a high-speed mode, the hinged locking oil cylinder 16 is controlled by a hydraulic system to lock the front frame 1 and the rear frame 2 into a whole, and the whole machine adopts the front axle 4 to steer, so that the steering stability in high-speed running is improved. Front axle 4, rear axle 5 all are equipped with suspension cylinder 15, and during the low-speed mode, through hydraulic system control suspension cylinder 15 descends, and front frame 1, rear frame 2 press respectively on front axle 4, rear axle 5, reduce the complete machine focus and improve the stability of shovel dress operation. In the high-speed mode, the stroke of the suspension oil cylinder 15 is controlled to be positioned at the middle position through a hydraulic system, and the suspension oil cylinder 15 plays a role in buffering and damping in the running process, so that the driving comfort is improved. The front axle 4 is provided with an emergency steering interface and can be provided with an emergency steering device 10. When the vehicle passes through a wading road or an arch bridge, the lifting or descending of the suspension oil cylinder 15 is controlled by a hydraulic system, so that the height of the whole vehicle can be lifted, and the trafficability of the whole vehicle is improved. The front axle 4 is provided with an emergency steering interface and is provided with an emergency steering device 10, under a high-speed mode, a steering wheel controls the front axle steering oil cylinder 14 and the emergency steering device 10 to steer simultaneously during normal work, the steering oil cylinder 14 is preferentially steered, and if the front axle steering oil cylinder 14 or a pipeline is suddenly damaged and cannot steer, the steering wheel controls the emergency steering device 10 to steer emergently.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A drive axle system for a loader, comprising:
the front axle, the front transmission shaft, the support seat assembly, the middle transmission shaft, the gearbox, the rear transmission shaft and the rear axle are sequentially connected; the front axle is a steering drive axle and comprises a drive axle and hubs arranged on two sides of the drive axle;
one end of the front axle locking oil cylinder is connected with the drive axle, and the other end of the front axle locking oil cylinder is connected with the corresponding wheel hub;
one end of the front axle steering oil cylinder is connected with the drive axle, and the other end of the front axle steering oil cylinder is connected with the corresponding wheel hub;
the front frame and the rear frame are hinged with a steering oil cylinder and are connected through a hinge pin;
the hinge locking oil cylinder is arranged on the front frame or the rear frame, and is matched with the hinge pin to lock the front frame and the rear frame into a whole when the loader runs in a high-speed mode;
the front axle is also hinged with the front frame through a push rod and a suspension oil cylinder respectively;
the rear axle is also hinged with the rear frame through a push rod and a suspension oil cylinder respectively.
2. The drive axle system for a loader according to claim 1, characterized in that: and the front frame is provided with a positioning pin, and when the loader operates in a low-speed mode, the suspension oil cylinder descends to enable the positioning pin to be inserted into a pin hole in the top of the front axle.
3. The drive axle system for a loader according to claim 1, characterized in that: the front axle is hinged with the front frame through a push rod to transmit driving force to the front frame, and is hinged with the front frame in the vertical direction through a suspension oil cylinder to adjust the distance between the front axle and the front frame in the vertical direction.
4. The drive axle system for a loader according to claim 1, characterized in that: the rear axle is hinged with the rear frame through a push rod to transmit driving force to the rear frame, and is hinged with the rear frame in the vertical direction through a suspension oil cylinder to adjust the distance between the rear axle and the rear frame in the vertical direction.
5. The drive axle system for a loader according to claim 1, characterized in that: the front frame and the rear frame are connected through an upper hinge pin and a lower hinge pin.
6. The drive axle system for a loader according to claim 1, characterized in that: and the hinge holes at the two ends of the steering oil cylinder are respectively connected with the front frame and the rear frame through steering pins.
7. The drive axle system for a loader according to claim 1, characterized in that: the drive axle system for the high-speed loader further comprises an emergency steering device, an emergency steering interface is arranged on the front axle, the emergency steering device is connected with the emergency steering interface, and when the loader operates in a high-speed mode, a steering wheel controls a steering oil cylinder of the front axle and the emergency steering device to steer simultaneously during normal operation; when the front axle steering oil cylinder cannot realize steering, the steering wheel controls the emergency steering device to perform emergency steering.
8. The drive axle system for a loader according to claim 1, characterized in that: when the loader runs in a low-speed mode, the front axle locking oil cylinder is controlled to lock the front axle steering function, and the drive axle system for the loader adopts articulated steering.
9. The drive axle system for a loader according to claim 1, characterized in that: when the loader runs in a high-speed mode, the hinged locking oil cylinder is controlled to lock the front frame and the rear frame into a whole, and the drive axle system for the loader adopts front axle steering.
10. The drive axle system for a loader according to claim 1, characterized in that: hinge holes at two ends of the front axle locking oil cylinder are connected to the drive axle through a first pin shaft; and hinge holes at two ends of the front axle steering oil cylinder are connected to the drive axle through a second pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110581471.6A CN113263868A (en) | 2021-05-27 | 2021-05-27 | Drive axle system for loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110581471.6A CN113263868A (en) | 2021-05-27 | 2021-05-27 | Drive axle system for loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113263868A true CN113263868A (en) | 2021-08-17 |
Family
ID=77233090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110581471.6A Pending CN113263868A (en) | 2021-05-27 | 2021-05-27 | Drive axle system for loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113263868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872818A (en) * | 2022-06-16 | 2022-08-09 | 三一机器人科技有限公司 | AGV transfer trolley for front frame assembly line of loader |
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| JP2010076645A (en) * | 2008-09-26 | 2010-04-08 | Iseki & Co Ltd | Utility vehicle |
| CN203531031U (en) * | 2013-09-03 | 2014-04-09 | 中国人民解放军总后勤部建筑工程研究所 | Wheel type maneuvering obstacle breaking vehicle |
| CN205311698U (en) * | 2016-01-22 | 2016-06-15 | 郑州宇通重工有限公司 | Wheeled vehicle turns to device |
| CN208813298U (en) * | 2018-08-08 | 2019-05-03 | 广西合浦县惠来宝机械制造有限公司 | One kind is bowed front-wheel steer frame-steered tractor |
| CN110615035A (en) * | 2018-06-19 | 2019-12-27 | 徐工集团工程机械股份有限公司科技分公司 | Wheeled vehicle |
| CN111845931A (en) * | 2020-07-09 | 2020-10-30 | 江苏汇智高端工程机械创新中心有限公司 | Multi-mode composite steering chassis and engineering machinery vehicle |
| CN112606645A (en) * | 2020-12-30 | 2021-04-06 | 徐工集团工程机械股份有限公司科技分公司 | Non-equidistant suspension device of engineering vehicle |
-
2021
- 2021-05-27 CN CN202110581471.6A patent/CN113263868A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076645A (en) * | 2008-09-26 | 2010-04-08 | Iseki & Co Ltd | Utility vehicle |
| CN203531031U (en) * | 2013-09-03 | 2014-04-09 | 中国人民解放军总后勤部建筑工程研究所 | Wheel type maneuvering obstacle breaking vehicle |
| CN205311698U (en) * | 2016-01-22 | 2016-06-15 | 郑州宇通重工有限公司 | Wheeled vehicle turns to device |
| CN110615035A (en) * | 2018-06-19 | 2019-12-27 | 徐工集团工程机械股份有限公司科技分公司 | Wheeled vehicle |
| CN208813298U (en) * | 2018-08-08 | 2019-05-03 | 广西合浦县惠来宝机械制造有限公司 | One kind is bowed front-wheel steer frame-steered tractor |
| CN111845931A (en) * | 2020-07-09 | 2020-10-30 | 江苏汇智高端工程机械创新中心有限公司 | Multi-mode composite steering chassis and engineering machinery vehicle |
| CN112606645A (en) * | 2020-12-30 | 2021-04-06 | 徐工集团工程机械股份有限公司科技分公司 | Non-equidistant suspension device of engineering vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872818A (en) * | 2022-06-16 | 2022-08-09 | 三一机器人科技有限公司 | AGV transfer trolley for front frame assembly line of loader |
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Application publication date: 20210817 |
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| RJ01 | Rejection of invention patent application after publication |