CN217170786U - Full-hydraulic steering device of unmanned wide-body mining dump truck - Google Patents
Full-hydraulic steering device of unmanned wide-body mining dump truck Download PDFInfo
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- CN217170786U CN217170786U CN202221231820.8U CN202221231820U CN217170786U CN 217170786 U CN217170786 U CN 217170786U CN 202221231820 U CN202221231820 U CN 202221231820U CN 217170786 U CN217170786 U CN 217170786U
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- priority valve
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Abstract
The utility model belongs to the field of automobile manufacturing and refitting, in particular to a full hydraulic steering device of an unmanned wide-body mining dump truck, which is characterized in that a hydraulic oil tank, a steering pump, a priority valve, a steering gear, a hydraulic steering system and an unmanned control system are respectively arranged on a vehicle, the unmanned control system collects road condition information, judges the steering direction according to the information and sends an instruction, when the unmanned control system sends the steering instruction, the steering pump conveys hydraulic oil to the priority valve, the priority valve provides proper flow to the steering gear, then the hydraulic oil is distributed to the hydraulic steering device system through the steering gear, according to the difference of the steering instruction sent by the unmanned control system, the hydraulic oil is conveyed to the tail ends of hydraulic rods at different positions to realize the steering process, and the steering angle has the priority valve to convey flow control, the larger the hydraulic oil conveying flow is, the larger the steering angle is, the simple and quick operation is realized, and the structure is compact.
Description
Technical Field
The utility model belongs to the automobile manufacturing and repacking field, especially, the full-hydraulic steering device of unmanned wide-bodied mining dump truck.
Background
The traditional hydraulic steering device for the mining truck is implemented by a manually operated hydraulic system, and the original hydraulic steering device cannot meet the requirements of the mining truck in order to realize unmanned driving of the mining truck. An unmanned hydraulic steering device system must be incorporated to achieve steering of the unmanned wide-body mining dump truck.
The utility model provides a full-hydraulic steering device of unmanned wide-bodied mining dump truck solves above problem effectively.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a full-hydraulic device that turns to of unmanned wide-bodied mining dump truck has solved above-mentioned background technical problem to the not enough that prior art exists.
The specific technical scheme is as follows:
the full-hydraulic steering device of the unmanned wide-body mining dump truck comprises a vehicle and is characterized in that an unmanned control system, a hydraulic oil tank, a steering pump, a priority valve, a steering gear and a hydraulic steering system are mounted on the vehicle, the unmanned control system is respectively electrically connected with the steering pump and the priority valve, the steering pump is respectively communicated with the hydraulic oil tank and the priority valve, the priority valve is communicated with the hydraulic oil tank, the steering gear is respectively communicated with the hydraulic steering system and the priority valve, and the hydraulic steering system is connected with tires on the vehicle.
Preferably, the unmanned system is installed in a cab on the vehicle, and the hydraulic oil tank, the steering pump, the priority valve, the steering gear and the hydraulic steering system are fixedly installed on a chassis of the vehicle at intervals.
Preferably, the hydraulic steering system comprises two hydraulic rods fixedly mounted on a vehicle chassis, each hydraulic rod is communicated with a steering gear, and the output end of each hydraulic rod is connected with tires on two sides of the front end of the vehicle respectively.
Preferably, the electrical connection is a cable connection, and the communication is an oil path connection.
Preferably, in an initial state, the output end of each hydraulic rod extends by half, the steering gear is communicated with the tail of the fixed end of the hydraulic rod, and the end of the fixed end of each hydraulic rod is respectively communicated with an oil way communicated with the other hydraulic rod.
The utility model has the advantages that: the utility model discloses install hydraulic tank on the vehicle respectively, the steering pump, the priority valve, the steering gear, hydraulic steering system, unmanned control system, by unmanned control system acquisition road conditions information, and judge according to information and turn to the direction, then send instruction, after unmanned control system sends steering instruction, the steering pump carries hydraulic oil toward the priority valve, the priority valve provides suitable flow to the steering gear, then hydraulic steering gear system is distributed with hydraulic oil to rethread steering gear, send the difference that turns to the instruction according to unmanned control system, the tail end of the hydraulic stem to different positions carries hydraulic oil, in order to realize turning to the process, and turn to the angle and have the priority valve to carry hydraulic oil flow control, hydraulic oil carries flow more, it is bigger to turn to the angle, easy operation is swift, compact structure.
Drawings
Fig. 1 is a schematic diagram of the connection of oil passages and cables of the components of the present invention.
Fig. 2 is a schematic diagram of the hydraulic transmission direction of each component of the present invention.
In the figure, an unmanned control system 1, a hydraulic oil tank 2, a steering pump 3, a priority valve 4, a steering gear 5, a hydraulic steering system 6, a right hydraulic rod 7 and a left hydraulic rod 8.
Detailed Description
The foregoing and other objects, features and advantages of the invention will be apparent from the following detailed description of the embodiments of the invention, which is to be read in connection with the accompanying drawings of which fig. 1-2 are illustrated. The following examples are given to review the disclosure of the structures referred to in the specification and drawings.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
In order to solve the problems in the prior art, the embodiment provides a full hydraulic steering device of an unmanned wide-body mining dump truck, which comprises a vehicle, wherein the vehicle comprises a chassis, a cab, and a left tire and a right tire on two sides in front of the vehicle, the vehicle is provided with an unmanned control system 1, a hydraulic oil tank 2, a steering pump 3, a priority valve 4, a steering gear 5 and a hydraulic steering system 6, wherein the unmanned control system is installed in the cab on the vehicle, the hydraulic oil tank 2, the steering pump 3, the priority valve 4, the steering gear 5 and the hydraulic steering system 6 are fixedly installed on the chassis of the vehicle at intervals, the unmanned control system 1 is electrically connected with the steering pump 3 and the priority valve 4 through cables, the steering pump 3 is respectively communicated with the hydraulic oil tank 2 and the priority valve 4 through oil paths, the priority valve 4 is communicated with the hydraulic oil tank 2 through oil paths, the steering gear 5 is respectively communicated with a hydraulic steering system 6 and the priority valve 4 through oil paths, and the hydraulic steering system 6 is connected with tires on a vehicle.
In this embodiment, hydraulic steering system 6 includes two hydraulic stems of fixed mounting on vehicle chassis, is left hydraulic stem 8, right hydraulic stem 7 respectively, and two hydraulic stems all including fix on the chassis stiff end and with stiff end axial sliding fit's output, during initial condition, the output of every hydraulic stem all stretches out half, and two tires are all located and are faced dead ahead, steering gear 5 and the afterbody intercommunication of hydraulic stem stiff end, every the tip of hydraulic stem stiff end respectively with the oil circuit intercommunication of intercommunication on another hydraulic stem, the output of left hydraulic stem 8 is connected with the left tire of vehicle front end, the output of right hydraulic stem 7 is connected with the right tire of vehicle front end.
In this embodiment, all the electronic components are connected to an external power source, and the external power source is a storage battery fixedly mounted on the vehicle.
The specific use process of the embodiment is as follows:
when the unmanned control system 1 sends a steering instruction, the priority valve 4 switches an oil way to the steering gear 5, according to the difference of the steering instruction sent by the unmanned control system 1, the steering pump 3 conveys the hydraulic oil in the hydraulic oil tank 2 to the priority valve 4, the priority valve 4 provides proper flow to the steering gear 5, then the hydraulic oil is distributed to the hydraulic steering device system through the steering gear 5, if the steering gear 5 turns left, the steering gear 5 conveys the hydraulic oil into the tail part of the fixed end of the hydraulic rod through the oil way, the output end of the left hydraulic rod 8 is ejected out to turn the left tire to the left side, meanwhile, the steering gear 5 conveys the hydraulic oil to the end part of the fixed end of the right hydraulic rod 7, the output end of the right hydraulic rod 7 is pushed to the tail part to synchronously turn the right tire to the left side, thereby realizing the left side steering process, the steering angle is controlled by the flow of the hydraulic oil conveyed by the priority valve 4 to the hydraulic steering gear 6, the more the hydraulic oil flow is, the more the extension length of the output end of the left hydraulic rod 8 is, the larger the steering angle of the tire is, after steering is completed, the steering gear 5 conveys hydraulic oil back to the priority valve 4, the priority valve 4 conveys hydraulic oil back to the hydraulic oil tank 2, and in the same way, the operation is simple and rapid, and the steering process of unmanned driving is realized.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims (5)
1. The full-hydraulic steering device of the unmanned wide-body mining dump truck comprises a vehicle and is characterized in that an unmanned control system, a hydraulic oil tank, a steering pump, a priority valve, a steering gear and a hydraulic steering system are mounted on the vehicle, the unmanned control system is respectively electrically connected with the steering pump and the priority valve, the steering pump is respectively communicated with the hydraulic oil tank and the priority valve, the priority valve is communicated with the hydraulic oil tank, the steering gear is respectively communicated with the hydraulic steering system and the priority valve, and the hydraulic steering system is connected with tires on the vehicle.
2. The full hydraulic steering device of the unmanned wide-body mining dump truck according to claim 1, wherein the unmanned system is installed in a cab on the vehicle, and the hydraulic oil tank, the steering pump, the priority valve, the steering gear and the hydraulic steering system are fixedly installed on a chassis of the vehicle at intervals.
3. The full-hydraulic steering device of the unmanned wide-body mining dump truck as claimed in claim 1, wherein the hydraulic steering system comprises two hydraulic rods fixedly mounted on a vehicle chassis, each hydraulic rod is communicated with a steering gear, and the output end of each hydraulic rod is respectively connected with tires on two sides of the front end of the vehicle.
4. The full hydraulic steering device of the unmanned wide mining dump truck according to claim 3, wherein the electrical connection is a cable connection and the communication is an oil path connection.
5. The full-hydraulic steering device of the unmanned wide-body mining dump truck according to claim 4, wherein in an initial state, the output end of each hydraulic rod extends by half, the steering gear is communicated with the tail of the fixed end of the hydraulic rod, and the end of the fixed end of each hydraulic rod is respectively communicated with an oil way communicated with the other hydraulic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221231820.8U CN217170786U (en) | 2022-05-19 | 2022-05-19 | Full-hydraulic steering device of unmanned wide-body mining dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221231820.8U CN217170786U (en) | 2022-05-19 | 2022-05-19 | Full-hydraulic steering device of unmanned wide-body mining dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217170786U true CN217170786U (en) | 2022-08-12 |
Family
ID=82712085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221231820.8U Active CN217170786U (en) | 2022-05-19 | 2022-05-19 | Full-hydraulic steering device of unmanned wide-body mining dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217170786U (en) |
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2022
- 2022-05-19 CN CN202221231820.8U patent/CN217170786U/en active Active
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