CN220096454U - Hydraulic motor speed reducer formula planetary gear steering device - Google Patents
Hydraulic motor speed reducer formula planetary gear steering device Download PDFInfo
- Publication number
- CN220096454U CN220096454U CN202321737952.2U CN202321737952U CN220096454U CN 220096454 U CN220096454 U CN 220096454U CN 202321737952 U CN202321737952 U CN 202321737952U CN 220096454 U CN220096454 U CN 220096454U
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- China
- Prior art keywords
- speed reducer
- planetary gear
- hydraulic motor
- slewing bearing
- suspension
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 34
- 239000000725 suspension Substances 0.000 claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Power Steering Mechanism (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a hydraulic motor speed reducer type planetary gear steering device, and relates to the field of steering devices of special vehicles. The device is characterized by comprising a suspension mechanism, a planetary gear mechanism, a slewing bearing, an angular displacement sensor, an axle assembly, tires, a hydraulic motor and a speed reducer; the hydraulic motor is connected with the speed reducer through a coupler; the speed reducer is arranged below the hydraulic motor; the planetary gear mechanism is arranged below the speed reducer; the slewing bearing and the planetary gear mechanism are arranged in the same horizontal and coaxial way; the suspension mechanism is arranged below the planetary gear mechanism and the slewing bearing; the angular displacement sensor is arranged inside the suspension mechanism; the axle assembly is arranged at the tail end of the suspension mechanism; the tires are disposed at both ends of the axle assembly. The hydraulic motor speed reducer type planetary gear steering device adopts internal engagement to drive gears, so that the steering device is more compact in structure and the space occupation ratio is reduced.
Description
Technical Field
The utility model relates to the field of steering devices of special vehicles, in particular to an independent steering device of a self-propelled module transport vehicle.
Background
At present, a self-propelled module transport vehicle adopts five steering devices of a mechanical pull rod type, a four-link type, a gear rack type, a worm gear type and a hydraulic motor speed reducer type. Mechanical tie rods are gradually eliminated due to non-independent steering; four-link and rack and pinion steering are angularly constrained; the worm gear can realize 360-degree steering, but because the stress is larger, the worm is easy to damage, and the service life is shorter; the hydraulic motor speed reducer type steering device is developed on the basis of a worm gear type steering device, wherein the most widely applied type steering device is a double hydraulic motor speed reducer type steering device, but the cost is high.
Disclosure of Invention
The utility model aims to provide the hydraulic motor speed reducer type steering device which can still realize 360-degree steering under lower cost, and the hydraulic motor speed reducer type planetary gear steering device adopts internal engagement to drive gears, so that the steering device has a more compact structure and reduces the space occupation ratio; and the steering can be completed by only using one hydraulic motor, so that the material cost is reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hydraulic motor speed reducer type planetary gear steering device is characterized by comprising a suspension mechanism, a planetary gear mechanism, a slewing bearing, an angular displacement sensor, an axle assembly, a tire, a hydraulic motor and a speed reducer; the hydraulic motor is connected with the speed reducer through a coupler; the speed reducer is arranged below the hydraulic motor; the planetary gear mechanism is arranged below the speed reducer; the slewing bearing and the planetary gear mechanism are arranged in the same horizontal and coaxial way; the suspension mechanism is arranged below the planetary gear mechanism and the slewing bearing; the angular displacement sensor is arranged inside the suspension mechanism; the axle assembly is arranged at the tail end of the suspension mechanism; the tires are disposed at both ends of the axle assembly. The suspension mechanism comprises a suspension arm, a balance arm and a hydraulic lifting oil cylinder; the planetary gear mechanism comprises a sun gear, a planet gear and a gear ring; the speed reducer is in key connection with the sun gear below; the sun gear is meshed with the planet gears; the planetary gear is meshed with the gear ring; the gear ring is in interference fit with the inner ring of the slewing bearing; the outer ring of the slewing bearing is fixed with the upper frame through bolts, and the inner ring of the slewing bearing is fixed with the lower suspension arm through bolts; the angular displacement sensor is fixed at the rotation center of the suspension arm; the lower end of the suspension arm is hinged with the balance arm; the other end of the balance arm is provided with an axle assembly and a tire; the two ends of the hydraulic lifting oil cylinder are respectively connected to the suspension arm and the balance arm through pins.
The beneficial effects are that: the hydraulic motor speed reducer type planetary gear steering device adopts internal engagement for gear transmission, occupies small space and has compact structure, and can realize multiple steering modes and 360-degree arbitrary angle steering of the self-propelled module transport vehicle by only using one hydraulic motor for driving, thereby having small steering radius and low manufacturing cost.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic structural view of the suspension mechanism.
Fig. 3 is a schematic structural view of the planetary gear mechanism.
Fig. 4 is a schematic structural view of the suspension arm.
In the figure: 1. a suspension mechanism; 2. a planetary gear mechanism; 3. an angular displacement sensor; 4. a hydraulic motor; 5. A speed reducer; 6. a slewing bearing; 7. a suspension arm; 8. a balance arm; 9. a hydraulic lifting cylinder; 10. an axle assembly; 11. a tire; 12. a sun gear; 13. a planet wheel; 14. and a gear ring.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1, a hydraulic motor speed reducer type planetary gear steering device comprises a suspension mechanism 1, a planetary gear mechanism 2, a slewing bearing 6, an angular displacement sensor 3, an axle assembly 10, a tire 11, a hydraulic motor 4 and a speed reducer 5. The hydraulic motor 4 is connected with the speed reducer 5 through a coupler, the speed reducer 5 is arranged below the hydraulic motor 4, the planetary gear mechanism 2 is arranged below the speed reducer 5, the slewing bearing 6 and the planetary gear mechanism 2 are arranged coaxially and horizontally, the suspension mechanism 1 is arranged below the planetary gear mechanism 2 and the slewing bearing 6, the angular displacement sensor 3 is arranged inside the suspension mechanism 1, the axle assembly 10 is arranged at the tail end of the suspension mechanism 1, and the tires 11 are arranged at the two ends of the axle assembly 10. The suspension mechanism 1 comprises a suspension arm 7, a balance arm 8 and a hydraulic lifting cylinder 9; the planetary gear mechanism 2 includes a sun gear 12, a planetary gear 13, and a ring gear 14. The speed reducer 5 is in key connection with the sun gear 12 below, the sun gear 12 is meshed with the planet gears 13, the planet gears 13 are meshed with the gear rings 14, the gear rings 14 are in interference fit with the inner ring of the slewing bearing 6, the outer ring of the slewing bearing 6 is fixed with the frame above through bolts, the inner ring of the slewing bearing 6 is fixed with the suspension arm 7 below through bolts, the angular displacement sensor 3 is fixed at the rotation center of the suspension arm 7, the lower end of the suspension arm 7 is hinged with the balance arm 8, the other end of the balance arm 8 is provided with the axle assembly 10 and the tire 11, and two ends of the hydraulic lifting cylinder 9 are connected to the suspension arm 7 and the balance arm 8 through pins respectively.
Hydraulic oil of a hydraulic system enters the hydraulic motor 4, the high-speed rotating hydraulic motor 4 reduces the rotating speed through the speed reducer 5 to increase torque, the sun gear 12 is driven to rotate, the sun gear 12 is meshed with the planet gears 13, the planet gears 13 are meshed with the gear rings 14, the gear rings 14 are in interference fit with the slewing bearing 6, the slewing bearing 6 rotates to drive the hanging mechanism 1 to rotate, and steering operation of the self-propelled module transport vehicle is completed.
The present embodiment is only an illustration of the concept and implementation of the present utility model, and is not limited thereto, and the technical solution without substantial transformation is still within the scope of protection under the concept of the present utility model.
Claims (1)
1. The hydraulic motor speed reducer type planetary gear steering device is characterized by comprising a suspension mechanism, a planetary gear mechanism, a slewing bearing, an angular displacement sensor, an axle assembly, a tire, a hydraulic motor and a speed reducer; the hydraulic motor is connected with the speed reducer through a coupler; the speed reducer is arranged below the hydraulic motor; the planetary gear mechanism is arranged below the speed reducer; the slewing bearing and the planetary gear mechanism are arranged in the same horizontal and coaxial way; the suspension mechanism is arranged below the planetary gear mechanism and the slewing bearing; the angular displacement sensor is arranged inside the suspension mechanism; the axle assembly is arranged at the tail end of the suspension mechanism; the tires are arranged at two ends of the axle assembly; the suspension mechanism comprises a suspension arm, a balance arm and a hydraulic lifting oil cylinder; the planetary gear mechanism comprises a sun gear, a planet gear and a gear ring; the speed reducer is in key connection with the sun gear below; the sun gear is meshed with the planet gears; the planetary gear is meshed with the gear ring; the gear ring is in interference fit with the inner ring of the slewing bearing; the outer ring of the slewing bearing is fixed with the upper frame through bolts, and the inner ring of the slewing bearing is fixed with the lower suspension arm through bolts; the angular displacement sensor is fixed at the rotation center of the suspension arm; the lower end of the suspension arm is hinged with the balance arm; the other end of the balance arm is provided with an axle assembly and a tire; the two ends of the hydraulic lifting oil cylinder are respectively connected to the suspension arm and the balance arm through pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321737952.2U CN220096454U (en) | 2023-07-05 | 2023-07-05 | Hydraulic motor speed reducer formula planetary gear steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321737952.2U CN220096454U (en) | 2023-07-05 | 2023-07-05 | Hydraulic motor speed reducer formula planetary gear steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220096454U true CN220096454U (en) | 2023-11-28 |
Family
ID=88869794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321737952.2U Active CN220096454U (en) | 2023-07-05 | 2023-07-05 | Hydraulic motor speed reducer formula planetary gear steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220096454U (en) |
-
2023
- 2023-07-05 CN CN202321737952.2U patent/CN220096454U/en active Active
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