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公开(公告)号：US11014776B2
公开(公告)日：2021-05-25
申请号：US16420987
申请日：2019-05-23
申请人： TESMEC S.P.A.
发明人： Alberto Oscar , Fabrizio Parodi
摘要： A cable recovery machine, comprising at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant; the traction module comprises a frame on which one or more traction wheels and one or more idle wheels are positioned; between the traction wheels and the idle wheels a space is defined for the passage and traction of the cable to be recovered; the idle wheels are provided with a support connected in a mobile manner to the frame of the traction module and provided with actuators configured to press the idle wheels against the cable that passes between them and the traction wheels, so that the space between the idle wheels and the traction wheels can be automatically adjusted on the basis of the external diameter (D1, D2) or thickness of the cable drawn.
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公开(公告)号：US20200232558A1
公开(公告)日：2020-07-23
申请号：US16647783
申请日：2018-09-20
申请人： TESMEC S.P.A.
发明人： Alberto Oscar , Roberto Pedrocchi
IPC分类号： F16H61/47 , F16H61/431
摘要： A hydraulic apparatus for stretching conductors for power lines comprising: a variable displacement hydraulic pump (10) that supplies by means of a hydraulic fluid a hydraulic motor (11) with a closed circuit connection; a displacement regulation system (15) of said hydraulic pump (10); a regulation system (20) of said hydraulic apparatus; characterised in that said regulation system (20) comprises: an inlet (21) that receives said hydraulic fluid that supplies said hydraulic motor (11); a first outlet (22) that supplies said displacement regulation system (15); a second discharge outlet (23); a flow limiter (30) connected to said inlet (21); a regulatable valve (31) connected to said flow limiter (30); a tap (36) connected between the outlet of said regulatable valve (31) and said first outlet (22); a measurement instrument (33) connected to the outlet of said regulatable valve (31), to measure the regulation pressure of said regulation system (20); a safety valve (34) connected to the outlet of said regulatable valve (31), the outlet of which is connected to said second discharge outlet (23).
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公开(公告)号：US11909184B2
公开(公告)日：2024-02-20
申请号：US16973918
申请日：2019-06-20
申请人： TESMEC S.P.A.
发明人： Alberto Oscar , Stefano Osio , Fabrizio Parodi
IPC分类号： H02G1/04
CPC分类号： H02G1/04
摘要： Roller unit for laying cables (11, 12, 13), comprising a frame (23, 23′) where at least one pair of sliders (25, 25′) are positioned aligned parallel to a laying direction (S1, S2) of the cables (11, 12, 13) and each provided with at least one pair of wheels (28, 28a, 28b) supporting a cable (11, 12, 13) to be laid; said sliders (25, 25′) are hinged to said frame (23, 23′) and rotatable around respective axes of rotation (A, A′) so as to vary the inclination thereof with respect to said frame (23, 23′) and therefore to vary the radius of curvature of the cable (11, 12, 13) supported; said wheels (28, 28a, 28b) are provided with an annular groove (32) to support the cables, delimited by containing wings (33) and able to define a contact and sliding surface of at least one of said cables (11, 12, 13), wherein at least said annular support groove (32) is made of or covered by a technoplastic material with polyamide (PA) base reinforced with glass fiber, if the supported cable is a conductor (11, 13), or by means of a metal material of great hardness, in particular pearlitic-ferritic lamellar cast iron GJL250, if the supported cable is a towing cable (12).
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公开(公告)号：US11909183B2
公开(公告)日：2024-02-20
申请号：US16973851
申请日：2019-06-20
申请人： TESMEC S.P.A.
发明人： Alberto Oscar , Stefano Osio
IPC分类号： H02G1/04
CPC分类号： H02G1/04
摘要： Roller unit for laying cables (11, 12, 13) that comprises a frame (23, 23′) where at least one pair of sliders (25, 25′) are positioned aligned parallel to a laying direction (S1, S2) of the cables (11, 12, 13) and each provided with at least one pair of wheels (28, 28a, 28b) to support a cable (11, 12, 13) to be laid; the sliders (25, 25′) are hinged to the frame (23, 25′) and rotatable around respective axes of rotation (A, A′) in order to vary the inclination thereof with respect to the frame (23, 23′) and therefore to vary the radius of curvature (R, R1, R2, R3) of the supported cable (11, 12, 13); at least one of the sliders (25, 25′) comprises an oscillation limiting tooth (30, 30′) provided in at least one portion (32, 32′) of the slider (25, 25′) protruding from the frame (23, 23′) and configured to abut against a lateral wall (31, 31) of the frame (23, 23′) when the slider (25, 25′), rotating around the respective axis of rotation (A, A′), exceeds a certain inclination, so as to prevent an excessive reduction of the radius of curvature (R, R1, R2, R3) of the cable (11, 12, 13) supported by the slider (25, 25′).
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公开(公告)号：US20220205533A1
公开(公告)日：2022-06-30
申请号：US17604302
申请日：2020-04-17
申请人： TESMEC S.P.A.
IPC分类号： F16H61/4017 , F16H61/431 , F16H39/02 , H02G1/04
摘要： Machine to recover a cable, comprising at least one hydraulic pump with variable cubic capacity, provided with a system to adjust the cubic capacity, driven by a servo controller, and at least one hydraulic motor fed by said hydraulic pump by means of at least one pipe to deliver a fluid and at least one pipe to return the fluid.
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公开(公告)号：US11597626B2
公开(公告)日：2023-03-07
申请号：US16420798
申请日：2019-05-23
申请人： TESMEC S.P.A.
发明人： Alberto Oscar , Fabrizio Parodi
摘要： A cable recovery machine, having at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant, and at least one cutting module located downstream of the traction module and able to receive the cable that is introduced into the cutting module in a direction of feed (X1); the cutting module having at least one cutting unit provided with at least one cutting blade and integral with a shaft made to rotate by corresponding drive means, so that by rotating the shaft, the cutting unit is made to rotate and cuts the cable when the latter enters the cutting module in the direction of feed (X1).
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公开(公告)号：US20200255257A1
公开(公告)日：2020-08-13
申请号：US16420987
申请日：2019-05-23
申请人： TESMEC S.P.A.
发明人： Alberto Oscar , Fabrizio Parodi
摘要： A cable recovery machine, comprising at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant; the traction module comprises a frame on which one or more traction wheels and one or more idle wheels are positioned; between the traction wheels and the idle wheels a space is defined for the passage and traction of the cable to be recovered; the idle wheels are provided with a support connected in a mobile manner to the frame of the traction module and provided with actuators configured to press the idle wheels against the cable that passes between them and the traction wheels, so that the space between the idle wheels and the traction wheels can be automatically adjusted on the basis of the external diameter (D1, D2) or thickness of the cable drawn
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公开(公告)号：US10661681B2
公开(公告)日：2020-05-26
申请号：US16311202
申请日：2017-07-26
申请人： TESMEC S.P.A.
发明人： Antonio Nitti , Alberto Oscar
摘要： A system for automatic positioning of a railway overhead line comprising: a mechanical arm (12); a first hooking device (31) that can be fixed to the end of the mechanical arm (12); a mast (40) for positioning an overhead line; a second fixed hooking device (41), which is fixed to the mast (40) and can be fixed to the first hooking device (31); the mast (40) comprising at least one horizontal arm (52), set on which is a set of rollers (53), with roller head, for correct positioning of an overhead line.
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公开(公告)号：US20190232817A1
公开(公告)日：2019-08-01
申请号：US16311202
申请日：2017-07-26
申请人： TESMEC S.P.A.
发明人： Antonio Nitti , Alberto Oscar
摘要： A system for automatic positioning of a railway overhead line comprising: a mechanical arm (12); a first hooking device (31) that can be fixed to the end of said mechanical arm (12); a mast (40) for positioning an overhead line; a second fixed hooking device (41), which is fixed to said mast (40) and can be fixed to said first hooking device (31); said mast (40) comprising at least one horizontal arm (52), set on which is a set of rollers (53), with roller head, for correct positioning of an overhead line.
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公开(公告)号：US09991686B2
公开(公告)日：2018-06-05
申请号：US14767889
申请日：2014-04-07
申请人： TESMEC S.P.A.
发明人： Romano Giglioli , Giovanni Lutzemberger , Luca Sani , Matteo Colleoni , Alberto Oscar , Maurizio Vitali
CPC分类号： H02G1/04 , B65H49/00 , B65H54/00 , B66D1/7405
摘要： A method for stretching cables includes the steps of i) providing at least one first and one second stretching device; the first and second stretching device include at least one rotatable drum on which a cable can be wound or unwound; an electrical movement member associated to the drum for winding the cable; supply means connected to the movement member; a braking device associated to the drum and activatable for unwinding the cable; an energy recovery member associated to the drum and active simultaneously with the braking device for recovering energy during the unwinding of the cable; ii) activating the second stretching device for pulling the cable; iii) recovering energy from the first stretching device during the unwinding of the cable; and iv) transferring at least part of the recovered energy from the first stretching device to the second stretching device.
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