CN215590490U - Dual-power walking driving system and snow sweeper - Google Patents
Dual-power walking driving system and snow sweeper Download PDFInfo
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- CN215590490U CN215590490U CN202122262933.6U CN202122262933U CN215590490U CN 215590490 U CN215590490 U CN 215590490U CN 202122262933 U CN202122262933 U CN 202122262933U CN 215590490 U CN215590490 U CN 215590490U
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Abstract
The utility model discloses a double-power walking driving system.A transmission shaft extends towards a front axle and a rear axle respectively and can simultaneously transmit towards the front axle and the rear axle; the transmission shaft is sequentially provided with a hydraulic transfer case and a variable speed transfer case along the axial direction; the hydraulic transfer case and the speed change transfer case can respectively and independently control the transmission and disconnection with the transmission shaft, and can independently drive the transmission shaft to rotate so as to drive the front axle and the rear axle. The power output by the gearbox drives the transmission shaft through the speed change transfer case, and the power output by the hydraulic motor drives the transmission shaft through the hydraulic transfer case; in normal walking state, by the engine via gearbox drive transmission shaft, at the low-speed running state of snow removing operation, hydraulic motor via hydraulic transfer case drive transmission shaft to realize the low-speed operation, the snow sweeper adopts different travel drive modes to the state of difference, thereby satisfies the low-speed operation demand of snow sweeper snow removing operating condition. The snow sweeper can achieve the same technical effect.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a double-power walking driving system. In addition, the utility model also relates to a snow sweeper.
Background
The phenomenon of accumulated snow and ice on the road surface in winter in the north often occurs, and snow removing vehicles are usually needed in order to timely remove the accumulated snow and ice. The snow sweeper adopts a dumper head to carry a snow removing rolling brush or a snow shovel for operation, the snow shovel in the front of the dumper pushes accumulated snow to the roadside, and the snow removing rolling brush in the middle and rear of the dumper sweeps away the residual accumulated snow.
When the snow sweeper works for removing snow, the snow sweeper needs to advance at a slow speed so as to ensure the completeness of cleaning; the traditional snow sweeper drives the vehicle to run and the snow removing equipment to work by depending on an engine, the normal running state is mainly considered in the engine driving mode, namely, the transmission outputs power through a plurality of different gears, the vehicle speed is still high under the lowest gear, and the snow sweeper is still not suitable for the snow removing working state.
For those skilled in the art, how to meet the requirement of low-speed operation of the snow remover in the snow removing working state is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-power traveling driving system which can be switched between two driving modes so as to meet the low-speed operation requirement of a snow removing vehicle in a snow removing working state, and the specific scheme is as follows:
a double-power walking driving system comprises a transmission shaft, wherein the transmission shaft extends towards a front axle and a rear axle respectively and can simultaneously transmit to the front axle and the rear axle;
the transmission shaft is sequentially provided with a hydraulic transfer case and a speed change transfer case along the axial direction; the hydraulic transfer case and the speed change transfer case can respectively and independently control the transmission and disconnection with the transmission shaft;
the speed change transfer case is in butt joint with a gearbox, and power output by the gearbox can drive the transmission shaft through the speed change transfer case;
the hydraulic transfer case is in butt joint with a hydraulic motor, and the power output by the hydraulic motor can drive the transmission shaft through the hydraulic transfer case.
Optionally, the extension and retraction of the hydraulic cylinder controls a clutch of the hydraulic transfer case, thereby controlling the transmission and disconnection between the hydraulic transfer case and the transmission shaft.
Alternatively, the hydraulic motor is operated by an engine-driven hydraulic pump.
Optionally, a control valve is arranged between the hydraulic pump and the hydraulic motor, and the control valve adjusts the flow rate of hydraulic oil, so as to control the rotation speed of the hydraulic motor.
Optionally, the hydraulic motor is arranged at the side of the hydraulic transfer case, and the power input shaft is parallel to the transmission shaft.
Optionally, the hydraulic transfer case is located axially forward of the transfer case in the drive shaft.
Optionally, the hydraulic motor, the hydraulic transfer case and the hydraulic cylinder are respectively mounted on a chassis of the vehicle.
The utility model also provides a snow sweeper, which comprises the double-power walking driving system.
The utility model provides a double-power walking driving system.A transmission shaft extends towards a front axle and a rear axle respectively and can simultaneously transmit towards the front axle and the rear axle; the transmission shaft is sequentially provided with a hydraulic transfer case and a variable speed transfer case along the axial direction; the hydraulic transfer case and the speed change transfer case can respectively and independently control the transmission and disconnection with the transmission shaft, and can independently drive the transmission shaft to rotate so as to drive the front axle and the rear axle. The power output by the gearbox drives the transmission shaft through the speed change transfer case, and the power output by the hydraulic motor drives the transmission shaft through the hydraulic transfer case; in normal walking state, by the engine via gearbox drive transmission shaft, at the low-speed running state of snow removing operation, hydraulic motor via hydraulic transfer case drive transmission shaft to realize the low-speed operation, the snow sweeper adopts different travel drive modes to the state of difference, thereby satisfies the low-speed operation demand of snow sweeper snow removing operating condition. The snow sweeper can achieve the same technical effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dual-power travel driving system according to the present invention;
FIG. 2 is a schematic view of a hydraulic driving structure of the dual-power traveling driving system of the present invention.
The figure includes:
the hydraulic transfer case comprises a transmission shaft 1, a hydraulic transfer case 2, a hydraulic motor 3, a hydraulic cylinder 4, a hydraulic pump 5 and a control valve 6.
Detailed Description
The core of the utility model is to provide a double-power walking driving system which can be switched between two driving modes, thereby meeting the low-speed running requirement of the snow remover in a snow removing working state.
In order to make those skilled in the art better understand the technical solution of the present invention, the dual-power traveling drive system and the snow sweeper of the present invention will be described in detail with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1, it is a schematic structural diagram of a dual-power walking driving system provided by the present invention; the double-power walking driving system comprises a transmission shaft 1, a hydraulic transfer case 2, a speed change transfer case, a hydraulic motor 3 and the like.
The transmission shaft 1 extends towards the front axle and the rear axle respectively and can transmit power to the front axle and the rear axle simultaneously, and the transmission shaft 1 rotates to drive the wheels to rotate through the front axle and the rear axle; the dotted line in fig. 1 indicates the axial direction of the propeller shaft 1, the front axle direction being the upper left side in fig. 1, and the rear axle direction being the lower right side.
The transmission shaft 1 is provided with a hydraulic transfer case 2 and a speed change transfer case in sequence along the axial direction, the speed change transfer case is not shown in the figure, and the speed change transfer case is located at the position indicated by an arrow in the figure.
The hydraulic transfer case 2 and the speed change transfer case can independently control the transmission and disconnection with the transmission shaft 1 respectively. The speed change transfer case is in butt joint with the gearbox, an output shaft of the gearbox drives the transmission shaft 1 to rotate through the speed change transfer case, and power output by the gearbox can drive the transmission shaft 1 through the speed change transfer case.
The hydraulic transfer case 2 is in butt joint with the hydraulic motor 3, the output shaft of the hydraulic motor 3 drives the transmission shaft 1 to rotate through the hydraulic transfer case 2, and the power output by the hydraulic motor 3 can drive the transmission shaft 1 through the hydraulic transfer case 2.
The hydraulic transfer case 2 and the transfer case can be engaged or disengaged from the propeller shaft 1 independently of each other, and only one of the hydraulic transfer case 2 and the transfer case is engaged with the propeller shaft 1 at the same time. When the transfer case is engaged with the propeller shaft 1, the power output by the engine is transmitted to the propeller shaft 1 via the gearbox. When the hydraulic transfer case 2 is engaged with the transmission shaft 1, the power output by the hydraulic motor is transmitted to the transmission shaft 1.
When the snow sweeper normally walks, the variable speed transfer case is connected with the transmission shaft 1, and the engine directly drives the snow sweeper to walk, so that the snow sweeper can move quickly; when snow removal is needed, slow and stable walking is required to be kept, the hydraulic transfer case 2 is switched to be connected with the transmission shaft 1, the transmission shaft 1 is driven by power output by the hydraulic motor, and low-speed stable advancing can be achieved.
The expansion of the hydraulic cylinder 4 controls the clutch of the hydraulic transfer case 2, and further controls the transmission and disconnection between the hydraulic transfer case 2 and the transmission shaft 1; the telescopic rod of the hydraulic cylinder 4 is connected to the clutch of the hydraulic transfer case 2 through the transmission rod, and when the hydraulic cylinder 4 stretches, the transmission rod is driven to rotate, so that the clutch is controlled to be disconnected or connected.
Fig. 2 is a schematic view of a hydraulic driving structure of the dual-power traveling driving system according to the present invention; specifically, the hydraulic motor 3 is driven by an engine-driven hydraulic pump 5, and the hydraulic pump 5 is directly driven by the engine to deliver hydraulic oil to the hydraulic motor 3 to generate power.
A control valve 6 is arranged between the hydraulic pump 5 and the hydraulic motor 3, the flow of hydraulic oil is adjusted by the control valve 6, the rotating speed of the hydraulic motor 3 is further controlled, and the traveling speed during snow removal work is adjusted.
Referring to fig. 1, the hydraulic motor 3 of the present invention is disposed at the side of the hydraulic transfer case 2, the input shaft of power is parallel to the transmission shaft 1, and the output shaft of the hydraulic motor 3 is parallel to the axial direction of the transmission shaft 1.
The hydraulic transfer case 2 is located in front of the speed change transfer case in the axial direction of the transmission shaft 1, the left side of the drawing 1 is the front axle direction, and the right side is the rear axle direction.
The hydraulic motor 3, the hydraulic transfer case 2 and the hydraulic cylinder 4 are respectively arranged on a chassis of the vehicle and are all carried by the chassis of the vehicle.
The utility model also provides a snow sweeper, which comprises the dual-power traveling driving system, and the snow sweeper can realize dual-power driving and meet the requirements of different working conditions. Please refer to the prior art for other structures of the snow remover, and the present invention is not described herein again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The double-power walking driving system is characterized by comprising a transmission shaft (1), wherein the transmission shaft (1) extends towards a front axle and a rear axle respectively and can simultaneously transmit towards the front axle and the rear axle;
the transmission shaft (1) is sequentially provided with a hydraulic transfer case (2) and a variable speed transfer case along the axial direction; the hydraulic transfer case (2) and the speed change transfer case can respectively and independently control the transmission and disconnection with the transmission shaft (1);
the speed change transfer case is butted with a gearbox, and the power output by the gearbox can drive the transmission shaft (1) through the speed change transfer case;
the hydraulic transfer case (2) is butted with a hydraulic motor (3), and the power output by the hydraulic motor (3) can drive the transmission shaft (1) through the hydraulic transfer case (2).
2. The dual-power walking drive system of claim 1, wherein the extension and retraction of the hydraulic cylinder (4) controls the clutch of the hydraulic transfer case (2), thereby controlling the transmission and disconnection between the hydraulic transfer case (2) and the transmission shaft (1).
3. The dual power travel drive system according to claim 2, characterized in that the hydraulic motor (3) is operated by an engine-driven hydraulic pump (5).
4. The dual-power travel drive system according to claim 3, characterized in that a control valve (6) is arranged between the hydraulic pump (5) and the hydraulic motor (3), and the control valve (6) regulates the hydraulic oil flow rate and thereby controls the rotation speed of the hydraulic motor (3).
5. The dual-power walking drive system of claim 4, characterized in that the hydraulic motor (3) is arranged at the side of the hydraulic transfer case (2), and the power input shaft is parallel to the transmission shaft (1).
6. The dual-power walking drive system of claim 5, characterized in that the hydraulic transfer case (2) is located axially forward of the transfer case in the direction of the drive shaft (1).
7. The dual-power walking drive system of claim 6, wherein the hydraulic motor (3), the hydraulic transfer case (2) and the hydraulic cylinder (4) are respectively mounted on a chassis of a vehicle.
8. A snow sweeper comprising the dual-power travel drive system of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262933.6U CN215590490U (en) | 2021-09-17 | 2021-09-17 | Dual-power walking driving system and snow sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262933.6U CN215590490U (en) | 2021-09-17 | 2021-09-17 | Dual-power walking driving system and snow sweeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215590490U true CN215590490U (en) | 2022-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122262933.6U Active CN215590490U (en) | 2021-09-17 | 2021-09-17 | Dual-power walking driving system and snow sweeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215590490U (en) |
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2021
- 2021-09-17 CN CN202122262933.6U patent/CN215590490U/en active Active
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