Snowgroomer including a winch assembly to aid handling of the snowgroomer on steep slopes, and method of operating the winch assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63C-019/10
E01H-004/02
B66D-001/38
출원번호
US-0201256
(2010-02-17)
등록번호
US-8839533
(2014-09-23)
우선권정보
IT-MI2009A0215 (2009-02-18)
국제출원번호
PCT/IB2010/000299
(2010-02-17)
§371/§102 date
20111024
(20111024)
국제공개번호
WO2010/095016
(2010-08-26)
발명자
/ 주소
Runggaldier, Martin
출원인 / 주소
Snowgrolic S.A.R.L.
대리인 / 주소
Neal, Gerber & Eisenberg LLP
인용정보
피인용 횟수 :
0인용 특허 :
24
초록▼
A snow groomer, equipped with a winch assembly to aid handling of the snow groomer on steep slopes, has a frame; a user interface; a control unit; and the winch assembly, which has a support structure fixed or connected to the frame, a drum that rotates with respect to the support structure about an
A snow groomer, equipped with a winch assembly to aid handling of the snow groomer on steep slopes, has a frame; a user interface; a control unit; and the winch assembly, which has a support structure fixed or connected to the frame, a drum that rotates with respect to the support structure about an axis, a cable fixed or connected at one end to the drum and wound about the drum, an actuator assembly for rotating the drum about the axis, and a sensor for determining the position of the drum about the axis; the control unit being configured to control the cable as a function of the position of the drum and the geometry of the drum.
대표청구항▼
1. A snow groomer comprising: a frame; anda winch assembly including: a support structure connected to the frame,a drum configured to rotate with respect to the support structure about an axis,a cable wound about the drum,an actuator assembly configured to rotate the drum about the axis,a first sens
1. A snow groomer comprising: a frame; anda winch assembly including: a support structure connected to the frame,a drum configured to rotate with respect to the support structure about an axis,a cable wound about the drum,an actuator assembly configured to rotate the drum about the axis,a first sensor configured to determine a position of the drum about the axis;at least one idle pulley which is positioned contacting said cable and rotated by said cable, anda second sensor configured to determine a position ion of the at one idle pulley, anda control unit configured to: acquire a rotation speed of the drum,acquire a rotation speed of the at least one idle pulley,control the cable as a function of the position of the drum and at least one selected from the group consisting of: a dimension of the drum, a quantity of layers of cable wound about the drum, a type of groove formed by the drum, and a dimension of the groove, andcontrol the actuator assembly as a function of: (i) the rotation speed of the drum (ii) the rotation seed of the at least one idle pulley, (iii) the position of the drum, (iv) at least one selected from the group consisting of: a position of the at least one idle pulley and a dimension of the at least one idle pulley, and (v) at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove. 2. The snow groomer of claim 1, wherein: the winch assembly includes: a cable guide device movable with respect to the drum to position the cable in a designated position with respect to the drum, andan actuator configured to move the cable guide device with respect to the drum, andsaid control unit is configured to: calculate a position of said cable guide device as a function of the position of the drum and at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove, andcontrol the actuator as a function of the calculated position. 3. The snow groomer of claim 2, wherein: the winch assembly includes third sensor configured to determine an actual position of the cable guide device with respect to the drum, andthe control unit is configured to: compare the actual position and the calculated position, andcorrect the actual position when a difference between the actual position and the calculated position exceeds a designated acceptance range. 4. The snow groomer of claim 3, which includes a guide configured to guide the cable guide device, the guide including a track and a carriage which is: (i) slideably fitted to the track, (ii) connected to the cable guide device, and (iii) functionally connected to the actuator. 5. The snow groomer of claim 4, wherein the track is parallel to said axis. 6. The snow groomer of claim 1, wherein the control unit includes a memory configured to store at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove. 7. The snow groomer of claim 1, wherein the control unit includes a memory configured to store: (i) at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove, and (ii) at least one selected from the group consisting of: the position of the at least one idle pulley and the dimension of the at least one idle pulley. 8. The snow groomer of claim 1, wherein the winch assembly is configured to aid handling of the snow groomer on steep slopes. 9. A snow groomer winch assembly comprising: a support structure connected to a frame of a snow groomer,a drum configured to rotate with respect to the support structure about an axis,a cable wound about the drum,an actuator assembly configured to rotate the drum about the axis, anda first sensor configured to determine a position of the drum about the axis,at least one idle le which is positioned contacting said cable and rotated b said cable,a second sensor configured to determine the position of the at least one idle pulley, anda control unit configured to: (i) acquire a rotation speed of the drum,(ii) acquire a rotation speed of the at least one idle pulley,(iii) control the cable as a function of the position of the drum and at least one selected from the group consisting of: a dimension of the drum, a quantity of layers of cable wound about the drum, a type of groove formed by the drum, and a dimension of the groove, and(iv) control the actuator assembl as a function of: (a) the rotation speed of the drum, (b) the rotation speed of the at least one idle pulley, (c) the position of the drum (d) at least one selected from the group consisting of: a position of the at least one idle pulley and a dimension of the at least one idle pulley, and (e) at least one selected from the group consisting of: the dimension of the drum, the quantity of a layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove. 10. The snow groomer winch assembly of claim 9, which includes a cable guide device movable with respect to the drum to position the cable in a designated position with respect to the drum, and an actuator configured to move the cable guide device with respect to the drum, wherein said control unit is configured to: (i) calculate a position of said cable guide device as a function of the position of the drum and at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove, and(ii) control the actuator as a function of the calculated position. 11. The snow groomer winch assembly of claim 10, which includes a third sensor configured to determine an actual position of the cable guide device with respect to the drum, wherein the control unit is configured to: (i) compare the actual position and the calculated position, and (ii) correct the actual position when a difference between the actual position and the calculated position exceeds a designated acceptance range. 12. The snow groomer winch assembly of claim 11, which includes a guide configured to guide the cable guide device, the guide including a track and a carriage which is: (i) slideably fitted to the track, (ii) connected to the cable guide device, and (iii) functionally connected to the actuator. 13. The snow groomer winch assembly of claim 12, wherein the track is parallel to said axis. 14. A method of operating a winch assembly to aid handling of a snow groomer on steep slopes, the winch assembly including a support structure, a drum configured to rotate with respect to the support structure about an axis, and a cable wound about the drum, the method comprising: determining a position of the drum about the axis,acquiring a rotation speed of the drum,acquiring a rotation speed of at least one idle pulley which is positioned contacting the cable and is rotated b the cable,controlling the cable as a function of the determined position of the drum and at least one selected from the group consisting of: a dimension of the drum, a quantity of layers of cable wound about the drum, a type of groove formed by the drum, and a dimension of the groove, andcontrolling an actuator assembly as a function of: (i) the rotation speed of the drum (ii) the rotation speed of the at least one idle pulley, (iii) the position of the drum, (iv) at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove, and (v) at least one selected from the group consisting of: a position of the at least one idle pulley and a dimension of the at least one idle pulley. 15. The method of claim 14, which includes: calculating a position of a cable guide device as a function of the determined position of the drum and at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove, andcontrolling the position of the cable guide device as a function of the calculated position. 16. The method of claim 15, which includes: determining an actual position of the cable guide device with respect to the drum,comparing the actual position of the cable guide device and the calculated position of the cable guide device, andcorrecting the actual position of the cable guide device when the difference between the actual position and the calculated position exceeds a designated acceptance range. 17. The method of claim 14, which includes stopping the drum when the rotation speed of the at least one idle pulley is below a reference parameter which is a function of: (i) the rotation speed of the drum, (ii) at least one selected from the group consisting of: the dimension of the drum, the quantity of layers of cable wound about the drum, the type of groove formed by the drum, and the dimension of the groove, and (iii) at least one selected from the group consisting of: the position of the at least one idle pulley and the dimension of the at least one idle pulley.
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