IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0103283
(2013-12-11)
|
등록번호 |
US-9121143
(2015-09-01)
|
우선권정보 |
DE-10 2012 024 221 (2012-12-11) |
발명자
/ 주소 |
- Hagen, Irina
- Christ, Hermann
- Nick, Moritz
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
8 |
초록
▼
The invention relates to a self-propelled construction machine, for example, a road finisher, comprising a vehicle chassis and having a tandem axle unit and a single wheel on each side of the vehicle, wherein each tandem axle unit comprises a twin axle carrier and also a regulating device, by means
The invention relates to a self-propelled construction machine, for example, a road finisher, comprising a vehicle chassis and having a tandem axle unit and a single wheel on each side of the vehicle, wherein each tandem axle unit comprises a twin axle carrier and also a regulating device, by means of which the twin axle carrier can be pivoted relatively to the vehicle chassis. Each tandem axle unit is mounted on a lever arm, which is mounted for rotation about a pivot axle on the vehicle chassis, and which is engaged by the regulating device.
대표청구항
▼
1. A self-propelled construction machine, comprising: a vehicle chassis and having a tandem axle unit and a single wheel on each side of the vehicle, wherein each tandem axle unit comprises a twin axle carrier at which a front wheel and a rear wheel are arranged, and a regulating device configured t
1. A self-propelled construction machine, comprising: a vehicle chassis and having a tandem axle unit and a single wheel on each side of the vehicle, wherein each tandem axle unit comprises a twin axle carrier at which a front wheel and a rear wheel are arranged, and a regulating device configured to pivot said twin axle carrier relative to the vehicle chassis, wherein each tandem axle unit further comprises a lever arm mounted on a pivot axle which is attached to the vehicle chassis, and wherein the twin axle carrier is attached to the lever arm via a pendulum axle mounted on the lever arm which is disposed for rotation about the pivot axle on the vehicle chassis, and further wherein said regulating device engages said lever arm. 2. The machine according to claim 1, wherein said lever arm is two-limbed having a first limb and a second limb, and further wherein said tandem axle unit is disposed on the first limb and said regulating device engages said second limb. 3. The machine according to claim 2, wherein said two-limbed lever arm is in the form of an L-shaped lever arm, wherein said first limb is substantially horizontally oriented and said second limb is substantially vertically oriented. 4. The machine according to claim 1, wherein said lever arm is disposed between said vehicle chassis and said tandem axle unit. 5. The machine according to claim 1, further comprising a limit stop is configured to restrict pivotal motion of said twin axle carrier on said tandem axle unit. 6. The machine according to claim 5, wherein said limit stop is configured such that a prolongation of the pivot axle is guided in an opening in the twin axle carrier. 7. The machine according to claim 6, wherein said opening is in the form of an elongated hole whose ends serve as an upper and lower limit stop, respectively. 8. The machine according to claim 1, wherein said pivot axle of said lever arm is disposed on that side of a pendulum axle on which the single wheel is disposed. 9. The machine according to claim 7, wherein said pivot axle of said lever arm is disposed between said pendulum axle and a wheel of said tandem axle unit which is opposite to said single wheel. 10. The machine according to claim 1, wherein said regulating device comprises a double-acting hydraulic cylinder. 11. The machine according to claim 1, wherein said regulating device is capable of being locked in a specified angular position of said lever arm, in which a wheel on the tandem axle unit is raised from the ground, such that said tandem axle unit acts as a rigid axle. 12. The machine according to claim 1, wherein said regulating device comprises at least one force detecting element. 13. The machine according to claim 1, wherein a coupling device is provided, by means of which said regulating devices of the tandem axle units are counteractingly coupled to each other. 14. The machine according to claim 13, wherein said coupling device comprises an interconnecting pipeline between two hydraulic cylinders pertaining to said regulating device. 15. The machine according to claim 14, wherein said interconnecting pipeline is configured such that all of the cylinder chambers and annular chambers of the two hydraulic cylinders are in fluid communication with each other. 16. The machine according to claim 14, wherein at least one stop valve, which can be toggled between an open position and a closed position, is included in said interconnecting pipeline. 17. The machine according to claim 11, wherein said lever arm and a lifting element in each case form a limb of a knee-shaped lifting element. 18. The machine according to claim 17, wherein said pivot axle is mounted in a region of the knee of said knee-shaped lifting element. 19. The machine according to claim 1, wherein said machine comprises a road finisher. 20. The machine according to claim 18, wherein said pivot axle passes through said knee-shaped lifting element.
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