Method and a transfer trailer for transferring a heavy transferable work machine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60P-001/04
B60D-001/24
B60P-003/06
B60T-001/14
출원번호
US-0909621
(2014-08-13)
등록번호
US-9868328
(2018-01-16)
우선권정보
FI-20135843 (2013-08-20)
국제출원번호
PCT/FI2014/050623
(2014-08-13)
국제공개번호
WO2015/025077
(2015-02-26)
발명자
/ 주소
Kortesalmi, Ossi
출원인 / 주소
SLEIPNER FINLAND OY
대리인 / 주소
Fildes & Outland, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
A method is disclosed for slowing a transfer trailer that is used for transporting heavy work machines on a sloping base, the transfer trailer having a chassis with axles and wheels mounted on the axles. The transfer trailer is towable by a transfer vehicle. The method includes the steps of providin
A method is disclosed for slowing a transfer trailer that is used for transporting heavy work machines on a sloping base, the transfer trailer having a chassis with axles and wheels mounted on the axles. The transfer trailer is towable by a transfer vehicle. The method includes the steps of providing the transfer trailer with a brake mounted on the chassis and an operating device, the brake having a brake surface operable to press directly on the base for continuous dragging against the base, operating the operating device to allow pressure to be applied to the brake surface to press directly on the base for continuous dragging against the base to slow the transfer trailer, and measuring at least one control variable relating to the control of the speed of the transfer trailer during the braking and obtaining measurement data.
대표청구항▼
1. A method for safely towing a transfer trailer that is used to transfer heavy work machines on a sloping base, the transfer trailer having a chassis with axles and wheels mounted on the axles, the method comprising the steps of: towing the transfer trailer with aid of a transfer vehicle that conti
1. A method for safely towing a transfer trailer that is used to transfer heavy work machines on a sloping base, the transfer trailer having a chassis with axles and wheels mounted on the axles, the method comprising the steps of: towing the transfer trailer with aid of a transfer vehicle that continuously applies a tractive force between the transfer trailer and the transfer vehicle,providing the transfer trailer with a brake mounted on the chassis and an operating device, the brake having a brake surface operable to press directly on the base for continuous dragging against the base causing friction between the transfer trailer and the base, the brake surface being a wear component,operating the operating device to apply pressure to the brake surface and press the brake surface directly on the base continuously dragging the brake surface against the base during an entire duration of the transfer throughout the towing preventing an uncontrolled rise in the speed of the transfer trailer when being towed with the transfer vehicle,measuring at least one control variable relating to the control of the speed of the transfer trailer during the braking and obtaining measurement data, andcontrolling the pressing of the brake surface on the basis of the measurement data in order to control the speed of the transfer trailer. 2. The method according to claim 1, wherein the control variable is at least one of transfer speed of the transfer trailer and the tractive force between the transfer trailer and the transfer vehicle. 3. The method according to claim 2, wherein the control variable is the tractive force between the transfer trailer and the transfer vehicle, and a lower limit value of the tractive force is arranged to be greater than only traction caused by weight of the transfer trailer. 4. The method according to claim 1, wherein all slowing of the speed of the transfer trailer during transfer takes place with the aid of the brake surface. 5. The method according to claim 1, including the step of manually controlling the pressing of the brake surface with the aid of a control-variable indicator shown to an operator. 6. The method according to claim 1, including the step of using the operating device to operate a tipping means for rotating the chassis of the transfer trailer around a bogie axle in order to control the strength of contact between the brake surface at an end of the chassis and the base, in order to slow the speed of the transfer trailer. 7. The method according to claim 1, including the step of setting a limit value for at least one control variable, on the basis of which the operating device is guided automatically for pressing the brake surface of the transfer trailer with the aid of a control. 8. A transfer trailer for transferring a heavy transferable work machine on a base, the transfer trailer arranged to be towed by a transfer vehicle, the transfer trailer comprising: a chassis including a first end and a support surface carried by the chassis for supporting a transferable work machine on the transfer trailer,an axle on the chassis and at least two wheels mounted on the axle, one on each side of the chassis,a brake mounted on the chassis and a hydraulic cylinder as an operating device for slowing the speed of the transfer trailer on a sloping base,said brake including:a brake surface being a wear component pressing directly on the base for continuous dragging against the base during an entire duration of the transfer throughout the towing,a sensor for measuring a control variable relating to controlling the speed of the transfer trailer,a proportional valve to control the magnitude of hydraulic flow to the hydraulic cylinder steplessly, anda control connected to the sensor to control the operation of the proportional valve for controlling the pressing of the brake surface against the base according to the measured control variable to control friction between the transfer trailer and the base to transfer the transfer trailer steplessly preventing an uncontrolled rise in the speed of the transfer trailer when being towed by the transfer vehicle. 9. The transfer trailer according to claim 8, comprising tipping means for tilting the chassis in order to move the transferable work machine on and off the chassis and for pressing the brake surface onto the base, in order to brake the transfer trailer during the tilting of the chassis. 10. The transfer trailer according to claim 9, wherein the operating device for pressing the brake surface defines in part the tipping means for tilting the chassis. 11. The transfer trailer according to claim 8, wherein the transfer trailer includes a coupler located at the first end of the chassis for coupling the transfer trailer to a transfer vehicle. 12. The transfer trailer according to claim 11, wherein the coupler includes a transverse pivot to allow the coupler to pivot relative to the first end of the chassis. 13. The transfer trailer according to claim 11, wherein the operating device is disposed between the coupler and the chassis. 14. The transfer trailer according to claim 11, wherein the coupler includes a gooseneck branching outwardly from a coupling counter-piece toward both sides of a towing head of the chassis and a transverse pivot at the towing head of the chassis. 15. The transfer trailer according to claims 8, wherein the chassis includes an undersurface and a brake surface on the undersurface at both ends of the chassis. 16. The transfer trailer according to claim 15, wherein the transfer trailer includes a separate arm pivoted to the undersurface of the chassis, one end of the arm attaching the brake surface, and the operating device being pivoted between the arm and the chassis. 17. The transfer trailer according to claim 8, wherein the transfer trailer includes a lock for locking the work machine on top of the chassis, the lock including fibre-reinforced securing ropes and at least one locking operating device for tightening the securing ropes. 18. The transfer trailer according to claim 8, wherein the mass of the work machine to be transferred using the transfer trailer is more than 50 tonnes. 19. The transfer trailer according to claim 8, wherein the control is arranged to guide tilting of the chassis automatically, in order to create a braking effect. 20. The transfer trailer according to claim 8, wherein the transfer trailer includes at least two mutually interchangeable brake surfaces having different coefficients of friction.
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